1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007-2020 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
… | |
35 | * and other provisions required by the GPL. If you do not delete the |
35 | * and other provisions required by the GPL. If you do not delete the |
36 | * provisions above, a recipient may use your version of this file under |
36 | * provisions above, a recipient may use your version of this file under |
37 | * either the BSD or the GPL. |
37 | * either the BSD or the GPL. |
38 | */ |
38 | */ |
39 | |
39 | |
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40 | #pragma clang diagnostic ignored "-Wunused-value" |
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41 | #pragma clang diagnostic ignored "-Wcomment" |
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42 | #pragma clang diagnostic ignored "-Wextern-initializer" |
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43 | |
40 | /* this big block deduces configuration from config.h */ |
44 | /* this big block deduces configuration from config.h */ |
41 | #ifndef EV_STANDALONE |
45 | #ifndef EV_STANDALONE |
42 | # ifdef EV_CONFIG_H |
46 | # ifdef EV_CONFIG_H |
43 | # include EV_CONFIG_H |
47 | # include EV_CONFIG_H |
44 | # else |
48 | # else |
45 | # include "config.h" |
49 | # include "config.h" |
46 | # endif |
50 | # endif |
47 | |
51 | |
48 | #if HAVE_FLOOR |
52 | # if HAVE_FLOOR |
49 | # ifndef EV_USE_FLOOR |
53 | # ifndef EV_USE_FLOOR |
50 | # define EV_USE_FLOOR 1 |
54 | # define EV_USE_FLOOR 1 |
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|
55 | # endif |
51 | # endif |
56 | # endif |
52 | #endif |
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53 | |
57 | |
54 | # if HAVE_CLOCK_SYSCALL |
58 | # if HAVE_CLOCK_SYSCALL |
55 | # ifndef EV_USE_CLOCK_SYSCALL |
59 | # ifndef EV_USE_CLOCK_SYSCALL |
56 | # define EV_USE_CLOCK_SYSCALL 1 |
60 | # define EV_USE_CLOCK_SYSCALL 1 |
57 | # ifndef EV_USE_REALTIME |
61 | # ifndef EV_USE_REALTIME |
… | |
… | |
115 | # else |
119 | # else |
116 | # undef EV_USE_EPOLL |
120 | # undef EV_USE_EPOLL |
117 | # define EV_USE_EPOLL 0 |
121 | # define EV_USE_EPOLL 0 |
118 | # endif |
122 | # endif |
119 | |
123 | |
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124 | # if HAVE_LINUX_AIO_ABI_H |
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125 | # ifndef EV_USE_LINUXAIO |
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126 | # define EV_USE_LINUXAIO 0 /* was: EV_FEATURE_BACKENDS, always off by default */ |
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127 | # endif |
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128 | # else |
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129 | # undef EV_USE_LINUXAIO |
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130 | # define EV_USE_LINUXAIO 0 |
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131 | # endif |
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132 | |
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133 | # if HAVE_LINUX_FS_H && HAVE_SYS_TIMERFD_H && HAVE_KERNEL_RWF_T |
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134 | # ifndef EV_USE_IOURING |
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135 | # define EV_USE_IOURING EV_FEATURE_BACKENDS |
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136 | # endif |
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137 | # else |
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138 | # undef EV_USE_IOURING |
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139 | # define EV_USE_IOURING 0 |
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140 | # endif |
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141 | |
120 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
142 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
121 | # ifndef EV_USE_KQUEUE |
143 | # ifndef EV_USE_KQUEUE |
122 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
144 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
123 | # endif |
145 | # endif |
124 | # else |
146 | # else |
… | |
… | |
159 | # endif |
181 | # endif |
160 | # else |
182 | # else |
161 | # undef EV_USE_EVENTFD |
183 | # undef EV_USE_EVENTFD |
162 | # define EV_USE_EVENTFD 0 |
184 | # define EV_USE_EVENTFD 0 |
163 | # endif |
185 | # endif |
164 | |
186 | |
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187 | # if HAVE_SYS_TIMERFD_H |
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188 | # ifndef EV_USE_TIMERFD |
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189 | # define EV_USE_TIMERFD EV_FEATURE_OS |
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190 | # endif |
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191 | # else |
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192 | # undef EV_USE_TIMERFD |
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193 | # define EV_USE_TIMERFD 0 |
165 | #endif |
194 | # endif |
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195 | |
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196 | #endif |
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197 | |
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198 | /* OS X, in its infinite idiocy, actually HARDCODES |
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199 | * a limit of 1024 into their select. Where people have brains, |
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200 | * OS X engineers apparently have a vacuum. Or maybe they were |
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201 | * ordered to have a vacuum, or they do anything for money. |
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202 | * This might help. Or not. |
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203 | * Note that this must be defined early, as other include files |
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204 | * will rely on this define as well. |
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205 | */ |
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206 | #define _DARWIN_UNLIMITED_SELECT 1 |
166 | |
207 | |
167 | #include <stdlib.h> |
208 | #include <stdlib.h> |
168 | #include <string.h> |
209 | #include <string.h> |
169 | #include <fcntl.h> |
210 | #include <fcntl.h> |
170 | #include <stddef.h> |
211 | #include <stddef.h> |
… | |
… | |
208 | # ifndef EV_SELECT_IS_WINSOCKET |
249 | # ifndef EV_SELECT_IS_WINSOCKET |
209 | # define EV_SELECT_IS_WINSOCKET 1 |
250 | # define EV_SELECT_IS_WINSOCKET 1 |
210 | # endif |
251 | # endif |
211 | # undef EV_AVOID_STDIO |
252 | # undef EV_AVOID_STDIO |
212 | #endif |
253 | #endif |
213 | |
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214 | /* OS X, in its infinite idiocy, actually HARDCODES |
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215 | * a limit of 1024 into their select. Where people have brains, |
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216 | * OS X engineers apparently have a vacuum. Or maybe they were |
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217 | * ordered to have a vacuum, or they do anything for money. |
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218 | * This might help. Or not. |
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219 | */ |
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220 | #define _DARWIN_UNLIMITED_SELECT 1 |
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221 | |
254 | |
222 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
255 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
223 | |
256 | |
224 | /* try to deduce the maximum number of signals on this platform */ |
257 | /* try to deduce the maximum number of signals on this platform */ |
225 | #if defined EV_NSIG |
258 | #if defined EV_NSIG |
… | |
… | |
241 | #elif defined SIGARRAYSIZE |
274 | #elif defined SIGARRAYSIZE |
242 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
275 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
243 | #elif defined _sys_nsig |
276 | #elif defined _sys_nsig |
244 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
277 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
245 | #else |
278 | #else |
246 | # error "unable to find value for NSIG, please report" |
279 | # define EV_NSIG (8 * sizeof (sigset_t) + 1) |
247 | /* to make it compile regardless, just remove the above line, */ |
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248 | /* but consider reporting it, too! :) */ |
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249 | # define EV_NSIG 65 |
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250 | #endif |
280 | #endif |
251 | |
281 | |
252 | #ifndef EV_USE_FLOOR |
282 | #ifndef EV_USE_FLOOR |
253 | # define EV_USE_FLOOR 0 |
283 | # define EV_USE_FLOOR 0 |
254 | #endif |
284 | #endif |
255 | |
285 | |
256 | #ifndef EV_USE_CLOCK_SYSCALL |
286 | #ifndef EV_USE_CLOCK_SYSCALL |
257 | # if __linux && __GLIBC__ >= 2 |
287 | # if __linux && __GLIBC__ == 2 && __GLIBC_MINOR__ < 17 |
258 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
288 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
259 | # else |
289 | # else |
260 | # define EV_USE_CLOCK_SYSCALL 0 |
290 | # define EV_USE_CLOCK_SYSCALL 0 |
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291 | # endif |
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292 | #endif |
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293 | |
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294 | #if !(_POSIX_TIMERS > 0) |
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295 | # ifndef EV_USE_MONOTONIC |
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296 | # define EV_USE_MONOTONIC 0 |
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297 | # endif |
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298 | # ifndef EV_USE_REALTIME |
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299 | # define EV_USE_REALTIME 0 |
261 | # endif |
300 | # endif |
262 | #endif |
301 | #endif |
263 | |
302 | |
264 | #ifndef EV_USE_MONOTONIC |
303 | #ifndef EV_USE_MONOTONIC |
265 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
304 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
… | |
… | |
307 | |
346 | |
308 | #ifndef EV_USE_PORT |
347 | #ifndef EV_USE_PORT |
309 | # define EV_USE_PORT 0 |
348 | # define EV_USE_PORT 0 |
310 | #endif |
349 | #endif |
311 | |
350 | |
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351 | #ifndef EV_USE_LINUXAIO |
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352 | # if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */ |
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353 | # define EV_USE_LINUXAIO 0 /* was: 1, always off by default */ |
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354 | # else |
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355 | # define EV_USE_LINUXAIO 0 |
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356 | # endif |
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357 | #endif |
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358 | |
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359 | #ifndef EV_USE_IOURING |
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360 | # if __linux /* later checks might disable again */ |
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361 | # define EV_USE_IOURING 1 |
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362 | # else |
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363 | # define EV_USE_IOURING 0 |
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364 | # endif |
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365 | #endif |
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366 | |
312 | #ifndef EV_USE_INOTIFY |
367 | #ifndef EV_USE_INOTIFY |
313 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
368 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
314 | # define EV_USE_INOTIFY EV_FEATURE_OS |
369 | # define EV_USE_INOTIFY EV_FEATURE_OS |
315 | # else |
370 | # else |
316 | # define EV_USE_INOTIFY 0 |
371 | # define EV_USE_INOTIFY 0 |
… | |
… | |
339 | # else |
394 | # else |
340 | # define EV_USE_SIGNALFD 0 |
395 | # define EV_USE_SIGNALFD 0 |
341 | # endif |
396 | # endif |
342 | #endif |
397 | #endif |
343 | |
398 | |
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399 | #ifndef EV_USE_TIMERFD |
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400 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 8)) |
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401 | # define EV_USE_TIMERFD EV_FEATURE_OS |
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402 | # else |
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403 | # define EV_USE_TIMERFD 0 |
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404 | # endif |
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405 | #endif |
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406 | |
344 | #if 0 /* debugging */ |
407 | #if 0 /* debugging */ |
345 | # define EV_VERIFY 3 |
408 | # define EV_VERIFY 3 |
346 | # define EV_USE_4HEAP 1 |
409 | # define EV_USE_4HEAP 1 |
347 | # define EV_HEAP_CACHE_AT 1 |
410 | # define EV_HEAP_CACHE_AT 1 |
348 | #endif |
411 | #endif |
… | |
… | |
355 | # define EV_USE_4HEAP EV_FEATURE_DATA |
418 | # define EV_USE_4HEAP EV_FEATURE_DATA |
356 | #endif |
419 | #endif |
357 | |
420 | |
358 | #ifndef EV_HEAP_CACHE_AT |
421 | #ifndef EV_HEAP_CACHE_AT |
359 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
422 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
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423 | #endif |
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424 | |
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425 | #ifdef __ANDROID__ |
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426 | /* supposedly, android doesn't typedef fd_mask */ |
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427 | # undef EV_USE_SELECT |
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428 | # define EV_USE_SELECT 0 |
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429 | /* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */ |
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430 | # undef EV_USE_CLOCK_SYSCALL |
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431 | # define EV_USE_CLOCK_SYSCALL 0 |
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432 | #endif |
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433 | |
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434 | /* aix's poll.h seems to cause lots of trouble */ |
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435 | #ifdef _AIX |
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436 | /* AIX has a completely broken poll.h header */ |
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437 | # undef EV_USE_POLL |
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438 | # define EV_USE_POLL 0 |
360 | #endif |
439 | #endif |
361 | |
440 | |
362 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
441 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
363 | /* which makes programs even slower. might work on other unices, too. */ |
442 | /* which makes programs even slower. might work on other unices, too. */ |
364 | #if EV_USE_CLOCK_SYSCALL |
443 | #if EV_USE_CLOCK_SYSCALL |
365 | # include <sys/syscall.h> |
444 | # include <sys/syscall.h> |
366 | # ifdef SYS_clock_gettime |
445 | # ifdef SYS_clock_gettime |
367 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
446 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
368 | # undef EV_USE_MONOTONIC |
447 | # undef EV_USE_MONOTONIC |
369 | # define EV_USE_MONOTONIC 1 |
448 | # define EV_USE_MONOTONIC 1 |
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449 | # define EV_NEED_SYSCALL 1 |
370 | # else |
450 | # else |
371 | # undef EV_USE_CLOCK_SYSCALL |
451 | # undef EV_USE_CLOCK_SYSCALL |
372 | # define EV_USE_CLOCK_SYSCALL 0 |
452 | # define EV_USE_CLOCK_SYSCALL 0 |
373 | # endif |
453 | # endif |
374 | #endif |
454 | #endif |
375 | |
455 | |
376 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
456 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
377 | |
457 | |
378 | #ifdef _AIX |
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379 | /* AIX has a completely broken poll.h header */ |
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380 | # undef EV_USE_POLL |
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381 | # define EV_USE_POLL 0 |
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382 | #endif |
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383 | |
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384 | #ifndef CLOCK_MONOTONIC |
458 | #ifndef CLOCK_MONOTONIC |
385 | # undef EV_USE_MONOTONIC |
459 | # undef EV_USE_MONOTONIC |
386 | # define EV_USE_MONOTONIC 0 |
460 | # define EV_USE_MONOTONIC 0 |
387 | #endif |
461 | #endif |
388 | |
462 | |
… | |
… | |
392 | #endif |
466 | #endif |
393 | |
467 | |
394 | #if !EV_STAT_ENABLE |
468 | #if !EV_STAT_ENABLE |
395 | # undef EV_USE_INOTIFY |
469 | # undef EV_USE_INOTIFY |
396 | # define EV_USE_INOTIFY 0 |
470 | # define EV_USE_INOTIFY 0 |
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471 | #endif |
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472 | |
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473 | #if __linux && EV_USE_IOURING |
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474 | # include <linux/version.h> |
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475 | # if LINUX_VERSION_CODE < KERNEL_VERSION(4,14,0) |
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476 | # undef EV_USE_IOURING |
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477 | # define EV_USE_IOURING 0 |
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478 | # endif |
397 | #endif |
479 | #endif |
398 | |
480 | |
399 | #if !EV_USE_NANOSLEEP |
481 | #if !EV_USE_NANOSLEEP |
400 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
482 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
401 | # if !defined _WIN32 && !defined __hpux |
483 | # if !defined _WIN32 && !defined __hpux |
402 | # include <sys/select.h> |
484 | # include <sys/select.h> |
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485 | # endif |
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486 | #endif |
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487 | |
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488 | #if EV_USE_LINUXAIO |
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489 | # include <sys/syscall.h> |
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490 | # if SYS_io_getevents && EV_USE_EPOLL /* linuxaio backend requires epoll backend */ |
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491 | # define EV_NEED_SYSCALL 1 |
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492 | # else |
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493 | # undef EV_USE_LINUXAIO |
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494 | # define EV_USE_LINUXAIO 0 |
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495 | # endif |
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496 | #endif |
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497 | |
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498 | #if EV_USE_IOURING |
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499 | # include <sys/syscall.h> |
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500 | # if !SYS_io_uring_register && __linux && !__alpha |
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501 | # define SYS_io_uring_setup 425 |
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502 | # define SYS_io_uring_enter 426 |
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503 | # define SYS_io_uring_register 427 |
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504 | # endif |
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505 | # if SYS_io_uring_setup && EV_USE_EPOLL /* iouring backend requires epoll backend */ |
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506 | # define EV_NEED_SYSCALL 1 |
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507 | # else |
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508 | # undef EV_USE_IOURING |
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509 | # define EV_USE_IOURING 0 |
403 | # endif |
510 | # endif |
404 | #endif |
511 | #endif |
405 | |
512 | |
406 | #if EV_USE_INOTIFY |
513 | #if EV_USE_INOTIFY |
407 | # include <sys/statfs.h> |
514 | # include <sys/statfs.h> |
… | |
… | |
412 | # define EV_USE_INOTIFY 0 |
519 | # define EV_USE_INOTIFY 0 |
413 | # endif |
520 | # endif |
414 | #endif |
521 | #endif |
415 | |
522 | |
416 | #if EV_USE_EVENTFD |
523 | #if EV_USE_EVENTFD |
417 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
524 | /* our minimum requirement is glibc 2.7 which has the stub, but not the full header */ |
418 | # include <stdint.h> |
525 | # include <stdint.h> |
419 | # ifndef EFD_NONBLOCK |
526 | # ifndef EFD_NONBLOCK |
420 | # define EFD_NONBLOCK O_NONBLOCK |
527 | # define EFD_NONBLOCK O_NONBLOCK |
421 | # endif |
528 | # endif |
422 | # ifndef EFD_CLOEXEC |
529 | # ifndef EFD_CLOEXEC |
… | |
… | |
428 | # endif |
535 | # endif |
429 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
536 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
430 | #endif |
537 | #endif |
431 | |
538 | |
432 | #if EV_USE_SIGNALFD |
539 | #if EV_USE_SIGNALFD |
433 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
540 | /* our minimum requirement is glibc 2.7 which has the stub, but not the full header */ |
434 | # include <stdint.h> |
541 | # include <stdint.h> |
435 | # ifndef SFD_NONBLOCK |
542 | # ifndef SFD_NONBLOCK |
436 | # define SFD_NONBLOCK O_NONBLOCK |
543 | # define SFD_NONBLOCK O_NONBLOCK |
437 | # endif |
544 | # endif |
438 | # ifndef SFD_CLOEXEC |
545 | # ifndef SFD_CLOEXEC |
… | |
… | |
440 | # define SFD_CLOEXEC O_CLOEXEC |
547 | # define SFD_CLOEXEC O_CLOEXEC |
441 | # else |
548 | # else |
442 | # define SFD_CLOEXEC 02000000 |
549 | # define SFD_CLOEXEC 02000000 |
443 | # endif |
550 | # endif |
444 | # endif |
551 | # endif |
445 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
552 | EV_CPP (extern "C") int (signalfd) (int fd, const sigset_t *mask, int flags); |
446 | |
553 | |
447 | struct signalfd_siginfo |
554 | struct signalfd_siginfo |
448 | { |
555 | { |
449 | uint32_t ssi_signo; |
556 | uint32_t ssi_signo; |
450 | char pad[128 - sizeof (uint32_t)]; |
557 | char pad[128 - sizeof (uint32_t)]; |
451 | }; |
558 | }; |
452 | #endif |
559 | #endif |
453 | |
560 | |
454 | /**/ |
561 | /* for timerfd, libev core requires TFD_TIMER_CANCEL_ON_SET &c */ |
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562 | #if EV_USE_TIMERFD |
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563 | # include <sys/timerfd.h> |
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564 | /* timerfd is only used for periodics */ |
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565 | # if !(defined (TFD_TIMER_CANCEL_ON_SET) && defined (TFD_CLOEXEC) && defined (TFD_NONBLOCK)) || !EV_PERIODIC_ENABLE |
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566 | # undef EV_USE_TIMERFD |
|
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567 | # define EV_USE_TIMERFD 0 |
|
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568 | # endif |
|
|
569 | #endif |
|
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570 | |
|
|
571 | /*****************************************************************************/ |
455 | |
572 | |
456 | #if EV_VERIFY >= 3 |
573 | #if EV_VERIFY >= 3 |
457 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
574 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
458 | #else |
575 | #else |
459 | # define EV_FREQUENT_CHECK do { } while (0) |
576 | # define EV_FREQUENT_CHECK do { } while (0) |
… | |
… | |
464 | * This value is good at least till the year 4000. |
581 | * This value is good at least till the year 4000. |
465 | */ |
582 | */ |
466 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
583 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
467 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
584 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
468 | |
585 | |
469 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
586 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
470 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
587 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
|
|
588 | #define MAX_BLOCKTIME2 1500001.07 /* same, but when timerfd is used to detect jumps, also safe delay to not overflow */ |
471 | |
589 | |
|
|
590 | /* find a portable timestamp that is "always" in the future but fits into time_t. |
|
|
591 | * this is quite hard, and we are mostly guessing - we handle 32 bit signed/unsigned time_t, |
|
|
592 | * and sizes larger than 32 bit, and maybe the unlikely floating point time_t */ |
|
|
593 | #define EV_TSTAMP_HUGE \ |
|
|
594 | (sizeof (time_t) >= 8 ? 10000000000000. \ |
|
|
595 | : 0 < (time_t)4294967295 ? 4294967295. \ |
|
|
596 | : 2147483647.) \ |
|
|
597 | |
|
|
598 | #ifndef EV_TS_CONST |
|
|
599 | # define EV_TS_CONST(nv) nv |
|
|
600 | # define EV_TS_TO_MSEC(a) a * 1e3 + 0.9999 |
|
|
601 | # define EV_TS_FROM_USEC(us) us * 1e-6 |
472 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
602 | # define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
473 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
603 | # define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
|
|
604 | # define EV_TV_GET(tv) ((tv).tv_sec + (tv).tv_usec * 1e-6) |
|
|
605 | # define EV_TS_GET(ts) ((ts).tv_sec + (ts).tv_nsec * 1e-9) |
|
|
606 | #endif |
474 | |
607 | |
475 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
608 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
476 | /* ECB.H BEGIN */ |
609 | /* ECB.H BEGIN */ |
477 | /* |
610 | /* |
478 | * libecb - http://software.schmorp.de/pkg/libecb |
611 | * libecb - http://software.schmorp.de/pkg/libecb |
479 | * |
612 | * |
480 | * Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de> |
613 | * Copyright (©) 2009-2015,2018-2020 Marc Alexander Lehmann <libecb@schmorp.de> |
481 | * Copyright (©) 2011 Emanuele Giaquinta |
614 | * Copyright (©) 2011 Emanuele Giaquinta |
482 | * All rights reserved. |
615 | * All rights reserved. |
483 | * |
616 | * |
484 | * Redistribution and use in source and binary forms, with or without modifica- |
617 | * Redistribution and use in source and binary forms, with or without modifica- |
485 | * tion, are permitted provided that the following conditions are met: |
618 | * tion, are permitted provided that the following conditions are met: |
… | |
… | |
499 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
632 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
500 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
633 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
501 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
634 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
502 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
635 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
503 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
636 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
|
|
637 | * |
|
|
638 | * Alternatively, the contents of this file may be used under the terms of |
|
|
639 | * the GNU General Public License ("GPL") version 2 or any later version, |
|
|
640 | * in which case the provisions of the GPL are applicable instead of |
|
|
641 | * the above. If you wish to allow the use of your version of this file |
|
|
642 | * only under the terms of the GPL and not to allow others to use your |
|
|
643 | * version of this file under the BSD license, indicate your decision |
|
|
644 | * by deleting the provisions above and replace them with the notice |
|
|
645 | * and other provisions required by the GPL. If you do not delete the |
|
|
646 | * provisions above, a recipient may use your version of this file under |
|
|
647 | * either the BSD or the GPL. |
504 | */ |
648 | */ |
505 | |
649 | |
506 | #ifndef ECB_H |
650 | #ifndef ECB_H |
507 | #define ECB_H |
651 | #define ECB_H |
508 | |
652 | |
509 | #ifdef _WIN32 |
653 | /* 16 bits major, 16 bits minor */ |
|
|
654 | #define ECB_VERSION 0x00010008 |
|
|
655 | |
|
|
656 | #include <string.h> /* for memcpy */ |
|
|
657 | |
|
|
658 | #if defined (_WIN32) && !defined (__MINGW32__) |
510 | typedef signed char int8_t; |
659 | typedef signed char int8_t; |
511 | typedef unsigned char uint8_t; |
660 | typedef unsigned char uint8_t; |
|
|
661 | typedef signed char int_fast8_t; |
|
|
662 | typedef unsigned char uint_fast8_t; |
512 | typedef signed short int16_t; |
663 | typedef signed short int16_t; |
513 | typedef unsigned short uint16_t; |
664 | typedef unsigned short uint16_t; |
|
|
665 | typedef signed int int_fast16_t; |
|
|
666 | typedef unsigned int uint_fast16_t; |
514 | typedef signed int int32_t; |
667 | typedef signed int int32_t; |
515 | typedef unsigned int uint32_t; |
668 | typedef unsigned int uint32_t; |
|
|
669 | typedef signed int int_fast32_t; |
|
|
670 | typedef unsigned int uint_fast32_t; |
516 | #if __GNUC__ |
671 | #if __GNUC__ |
517 | typedef signed long long int64_t; |
672 | typedef signed long long int64_t; |
518 | typedef unsigned long long uint64_t; |
673 | typedef unsigned long long uint64_t; |
519 | #else /* _MSC_VER || __BORLANDC__ */ |
674 | #else /* _MSC_VER || __BORLANDC__ */ |
520 | typedef signed __int64 int64_t; |
675 | typedef signed __int64 int64_t; |
521 | typedef unsigned __int64 uint64_t; |
676 | typedef unsigned __int64 uint64_t; |
522 | #endif |
677 | #endif |
|
|
678 | typedef int64_t int_fast64_t; |
|
|
679 | typedef uint64_t uint_fast64_t; |
|
|
680 | #ifdef _WIN64 |
|
|
681 | #define ECB_PTRSIZE 8 |
|
|
682 | typedef uint64_t uintptr_t; |
|
|
683 | typedef int64_t intptr_t; |
|
|
684 | #else |
|
|
685 | #define ECB_PTRSIZE 4 |
|
|
686 | typedef uint32_t uintptr_t; |
|
|
687 | typedef int32_t intptr_t; |
|
|
688 | #endif |
523 | #else |
689 | #else |
524 | #include <inttypes.h> |
690 | #include <inttypes.h> |
|
|
691 | #if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU |
|
|
692 | #define ECB_PTRSIZE 8 |
|
|
693 | #else |
|
|
694 | #define ECB_PTRSIZE 4 |
|
|
695 | #endif |
|
|
696 | #endif |
|
|
697 | |
|
|
698 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
|
|
699 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
|
|
700 | |
|
|
701 | #ifndef ECB_OPTIMIZE_SIZE |
|
|
702 | #if __OPTIMIZE_SIZE__ |
|
|
703 | #define ECB_OPTIMIZE_SIZE 1 |
|
|
704 | #else |
|
|
705 | #define ECB_OPTIMIZE_SIZE 0 |
|
|
706 | #endif |
|
|
707 | #endif |
|
|
708 | |
|
|
709 | /* work around x32 idiocy by defining proper macros */ |
|
|
710 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
|
|
711 | #if _ILP32 |
|
|
712 | #define ECB_AMD64_X32 1 |
|
|
713 | #else |
|
|
714 | #define ECB_AMD64 1 |
|
|
715 | #endif |
525 | #endif |
716 | #endif |
526 | |
717 | |
527 | /* many compilers define _GNUC_ to some versions but then only implement |
718 | /* many compilers define _GNUC_ to some versions but then only implement |
528 | * what their idiot authors think are the "more important" extensions, |
719 | * what their idiot authors think are the "more important" extensions, |
529 | * causing enormous grief in return for some better fake benchmark numbers. |
720 | * causing enormous grief in return for some better fake benchmark numbers. |
530 | * or so. |
721 | * or so. |
531 | * we try to detect these and simply assume they are not gcc - if they have |
722 | * we try to detect these and simply assume they are not gcc - if they have |
532 | * an issue with that they should have done it right in the first place. |
723 | * an issue with that they should have done it right in the first place. |
533 | */ |
724 | */ |
534 | #ifndef ECB_GCC_VERSION |
|
|
535 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
725 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
536 | #define ECB_GCC_VERSION(major,minor) 0 |
726 | #define ECB_GCC_VERSION(major,minor) 0 |
537 | #else |
727 | #else |
538 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
728 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
539 | #endif |
729 | #endif |
|
|
730 | |
|
|
731 | #define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor))) |
|
|
732 | |
|
|
733 | #if __clang__ && defined __has_builtin |
|
|
734 | #define ECB_CLANG_BUILTIN(x) __has_builtin (x) |
|
|
735 | #else |
|
|
736 | #define ECB_CLANG_BUILTIN(x) 0 |
|
|
737 | #endif |
|
|
738 | |
|
|
739 | #if __clang__ && defined __has_extension |
|
|
740 | #define ECB_CLANG_EXTENSION(x) __has_extension (x) |
|
|
741 | #else |
|
|
742 | #define ECB_CLANG_EXTENSION(x) 0 |
|
|
743 | #endif |
|
|
744 | |
|
|
745 | #define ECB_CPP (__cplusplus+0) |
|
|
746 | #define ECB_CPP11 (__cplusplus >= 201103L) |
|
|
747 | #define ECB_CPP14 (__cplusplus >= 201402L) |
|
|
748 | #define ECB_CPP17 (__cplusplus >= 201703L) |
|
|
749 | |
|
|
750 | #if ECB_CPP |
|
|
751 | #define ECB_C 0 |
|
|
752 | #define ECB_STDC_VERSION 0 |
|
|
753 | #else |
|
|
754 | #define ECB_C 1 |
|
|
755 | #define ECB_STDC_VERSION __STDC_VERSION__ |
|
|
756 | #endif |
|
|
757 | |
|
|
758 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
|
|
759 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
|
|
760 | #define ECB_C17 (ECB_STDC_VERSION >= 201710L) |
|
|
761 | |
|
|
762 | #if ECB_CPP |
|
|
763 | #define ECB_EXTERN_C extern "C" |
|
|
764 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
|
|
765 | #define ECB_EXTERN_C_END } |
|
|
766 | #else |
|
|
767 | #define ECB_EXTERN_C extern |
|
|
768 | #define ECB_EXTERN_C_BEG |
|
|
769 | #define ECB_EXTERN_C_END |
540 | #endif |
770 | #endif |
541 | |
771 | |
542 | /*****************************************************************************/ |
772 | /*****************************************************************************/ |
543 | |
773 | |
544 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
774 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
545 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
775 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
546 | |
776 | |
547 | #if ECB_NO_THREADS |
777 | #if ECB_NO_THREADS |
548 | # define ECB_NO_SMP 1 |
778 | #define ECB_NO_SMP 1 |
549 | #endif |
779 | #endif |
550 | |
780 | |
551 | #if ECB_NO_THREADS || ECB_NO_SMP |
781 | #if ECB_NO_SMP |
552 | #define ECB_MEMORY_FENCE do { } while (0) |
782 | #define ECB_MEMORY_FENCE do { } while (0) |
|
|
783 | #endif |
|
|
784 | |
|
|
785 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */ |
|
|
786 | #if __xlC__ && ECB_CPP |
|
|
787 | #include <builtins.h> |
|
|
788 | #endif |
|
|
789 | |
|
|
790 | #if 1400 <= _MSC_VER |
|
|
791 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
553 | #endif |
792 | #endif |
554 | |
793 | |
555 | #ifndef ECB_MEMORY_FENCE |
794 | #ifndef ECB_MEMORY_FENCE |
556 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
795 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
|
|
796 | #define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory") |
557 | #if __i386 || __i386__ |
797 | #if __i386 || __i386__ |
558 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
798 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
559 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */ |
799 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
560 | #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ |
800 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
561 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
801 | #elif ECB_GCC_AMD64 |
562 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
802 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
563 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") |
803 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
564 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */ |
804 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
565 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
805 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
566 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
806 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
|
|
807 | #elif defined __ARM_ARCH_2__ \ |
|
|
808 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
|
|
809 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
|
|
810 | || defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \ |
|
|
811 | || defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \ |
|
|
812 | || defined __ARM_ARCH_5TEJ__ |
|
|
813 | /* should not need any, unless running old code on newer cpu - arm doesn't support that */ |
567 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
814 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
568 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
815 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \ |
|
|
816 | || defined __ARM_ARCH_6T2__ |
569 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
817 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
570 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
818 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
571 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
819 | || defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__ |
572 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
820 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
573 | #elif __sparc || __sparc__ |
821 | #elif __aarch64__ |
|
|
822 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory") |
|
|
823 | #elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8) |
574 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory") |
824 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
575 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
825 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
576 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
826 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
577 | #elif defined __s390__ || defined __s390x__ |
827 | #elif defined __s390__ || defined __s390x__ |
578 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
828 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
579 | #elif defined __mips__ |
829 | #elif defined __mips__ |
|
|
830 | /* GNU/Linux emulates sync on mips1 architectures, so we force its use */ |
|
|
831 | /* anybody else who still uses mips1 is supposed to send in their version, with detection code. */ |
580 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
832 | #define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory") |
581 | #elif defined __alpha__ |
833 | #elif defined __alpha__ |
582 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
834 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
|
|
835 | #elif defined __hppa__ |
|
|
836 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
|
|
837 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
|
|
838 | #elif defined __ia64__ |
|
|
839 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory") |
|
|
840 | #elif defined __m68k__ |
|
|
841 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
|
|
842 | #elif defined __m88k__ |
|
|
843 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory") |
|
|
844 | #elif defined __sh__ |
|
|
845 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
583 | #endif |
846 | #endif |
584 | #endif |
847 | #endif |
585 | #endif |
848 | #endif |
586 | |
849 | |
587 | #ifndef ECB_MEMORY_FENCE |
850 | #ifndef ECB_MEMORY_FENCE |
|
|
851 | #if ECB_GCC_VERSION(4,7) |
|
|
852 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
|
|
853 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
854 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
|
|
855 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
856 | #define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED) |
|
|
857 | |
|
|
858 | #elif ECB_CLANG_EXTENSION(c_atomic) |
|
|
859 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
|
|
860 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
861 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
|
|
862 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
863 | #define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED) |
|
|
864 | |
588 | #if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
865 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
589 | #define ECB_MEMORY_FENCE __sync_synchronize () |
866 | #define ECB_MEMORY_FENCE __sync_synchronize () |
590 | /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ |
867 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
591 | /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */ |
868 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
|
|
869 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
|
|
870 | #define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier() |
|
|
871 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */ |
|
|
872 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier() |
592 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
873 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
593 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
874 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
594 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
875 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
595 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
876 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
596 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
877 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
597 | #elif defined _WIN32 |
878 | #elif defined _WIN32 |
598 | #include <WinNT.h> |
879 | #include <WinNT.h> |
599 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
880 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
600 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
881 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
601 | #include <mbarrier.h> |
882 | #include <mbarrier.h> |
602 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
883 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
603 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
884 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier () |
604 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
885 | #define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier () |
|
|
886 | #define ECB_MEMORY_FENCE_RELAXED __compiler_barrier () |
605 | #elif __xlC__ |
887 | #elif __xlC__ |
606 | #define ECB_MEMORY_FENCE __sync () |
888 | #define ECB_MEMORY_FENCE __sync () |
|
|
889 | #endif |
|
|
890 | #endif |
|
|
891 | |
|
|
892 | #ifndef ECB_MEMORY_FENCE |
|
|
893 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
|
|
894 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
|
|
895 | /* not just C11 atomics and atomic accesses */ |
|
|
896 | #include <stdatomic.h> |
|
|
897 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
|
|
898 | #define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire) |
|
|
899 | #define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release) |
607 | #endif |
900 | #endif |
608 | #endif |
901 | #endif |
609 | |
902 | |
610 | #ifndef ECB_MEMORY_FENCE |
903 | #ifndef ECB_MEMORY_FENCE |
611 | #if !ECB_AVOID_PTHREADS |
904 | #if !ECB_AVOID_PTHREADS |
… | |
… | |
631 | |
924 | |
632 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
925 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
633 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
926 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
634 | #endif |
927 | #endif |
635 | |
928 | |
|
|
929 | #if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE |
|
|
930 | #define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */ |
|
|
931 | #endif |
|
|
932 | |
636 | /*****************************************************************************/ |
933 | /*****************************************************************************/ |
637 | |
934 | |
638 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
935 | #if ECB_CPP |
639 | |
|
|
640 | #if __cplusplus |
|
|
641 | #define ecb_inline static inline |
936 | #define ecb_inline static inline |
642 | #elif ECB_GCC_VERSION(2,5) |
937 | #elif ECB_GCC_VERSION(2,5) |
643 | #define ecb_inline static __inline__ |
938 | #define ecb_inline static __inline__ |
644 | #elif ECB_C99 |
939 | #elif ECB_C99 |
645 | #define ecb_inline static inline |
940 | #define ecb_inline static inline |
… | |
… | |
659 | |
954 | |
660 | #define ECB_CONCAT_(a, b) a ## b |
955 | #define ECB_CONCAT_(a, b) a ## b |
661 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
956 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
662 | #define ECB_STRINGIFY_(a) # a |
957 | #define ECB_STRINGIFY_(a) # a |
663 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
958 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
|
|
959 | #define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr)) |
664 | |
960 | |
665 | #define ecb_function_ ecb_inline |
961 | #define ecb_function_ ecb_inline |
666 | |
962 | |
667 | #if ECB_GCC_VERSION(3,1) |
963 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8) |
668 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
964 | #define ecb_attribute(attrlist) __attribute__ (attrlist) |
|
|
965 | #else |
|
|
966 | #define ecb_attribute(attrlist) |
|
|
967 | #endif |
|
|
968 | |
|
|
969 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p) |
669 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
970 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
|
|
971 | #else |
|
|
972 | /* possible C11 impl for integral types |
|
|
973 | typedef struct ecb_is_constant_struct ecb_is_constant_struct; |
|
|
974 | #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */ |
|
|
975 | |
|
|
976 | #define ecb_is_constant(expr) 0 |
|
|
977 | #endif |
|
|
978 | |
|
|
979 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect) |
670 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
980 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
981 | #else |
|
|
982 | #define ecb_expect(expr,value) (expr) |
|
|
983 | #endif |
|
|
984 | |
|
|
985 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch) |
671 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
986 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
672 | #else |
987 | #else |
673 | #define ecb_attribute(attrlist) |
|
|
674 | #define ecb_is_constant(expr) 0 |
|
|
675 | #define ecb_expect(expr,value) (expr) |
|
|
676 | #define ecb_prefetch(addr,rw,locality) |
988 | #define ecb_prefetch(addr,rw,locality) |
677 | #endif |
989 | #endif |
678 | |
990 | |
679 | /* no emulation for ecb_decltype */ |
991 | /* no emulation for ecb_decltype */ |
680 | #if ECB_GCC_VERSION(4,5) |
992 | #if ECB_CPP11 |
|
|
993 | // older implementations might have problems with decltype(x)::type, work around it |
|
|
994 | template<class T> struct ecb_decltype_t { typedef T type; }; |
681 | #define ecb_decltype(x) __decltype(x) |
995 | #define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type |
682 | #elif ECB_GCC_VERSION(3,0) |
996 | #elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8) |
683 | #define ecb_decltype(x) __typeof(x) |
997 | #define ecb_decltype(x) __typeof__ (x) |
684 | #endif |
998 | #endif |
685 | |
999 | |
|
|
1000 | #if _MSC_VER >= 1300 |
|
|
1001 | #define ecb_deprecated __declspec (deprecated) |
|
|
1002 | #else |
|
|
1003 | #define ecb_deprecated ecb_attribute ((__deprecated__)) |
|
|
1004 | #endif |
|
|
1005 | |
|
|
1006 | #if _MSC_VER >= 1500 |
|
|
1007 | #define ecb_deprecated_message(msg) __declspec (deprecated (msg)) |
|
|
1008 | #elif ECB_GCC_VERSION(4,5) |
|
|
1009 | #define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg)) |
|
|
1010 | #else |
|
|
1011 | #define ecb_deprecated_message(msg) ecb_deprecated |
|
|
1012 | #endif |
|
|
1013 | |
|
|
1014 | #if _MSC_VER >= 1400 |
|
|
1015 | #define ecb_noinline __declspec (noinline) |
|
|
1016 | #else |
686 | #define ecb_noinline ecb_attribute ((__noinline__)) |
1017 | #define ecb_noinline ecb_attribute ((__noinline__)) |
687 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
1018 | #endif |
|
|
1019 | |
688 | #define ecb_unused ecb_attribute ((__unused__)) |
1020 | #define ecb_unused ecb_attribute ((__unused__)) |
689 | #define ecb_const ecb_attribute ((__const__)) |
1021 | #define ecb_const ecb_attribute ((__const__)) |
690 | #define ecb_pure ecb_attribute ((__pure__)) |
1022 | #define ecb_pure ecb_attribute ((__pure__)) |
|
|
1023 | |
|
|
1024 | #if ECB_C11 || __IBMC_NORETURN |
|
|
1025 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */ |
|
|
1026 | #define ecb_noreturn _Noreturn |
|
|
1027 | #elif ECB_CPP11 |
|
|
1028 | #define ecb_noreturn [[noreturn]] |
|
|
1029 | #elif _MSC_VER >= 1200 |
|
|
1030 | /* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */ |
|
|
1031 | #define ecb_noreturn __declspec (noreturn) |
|
|
1032 | #else |
|
|
1033 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
|
|
1034 | #endif |
691 | |
1035 | |
692 | #if ECB_GCC_VERSION(4,3) |
1036 | #if ECB_GCC_VERSION(4,3) |
693 | #define ecb_artificial ecb_attribute ((__artificial__)) |
1037 | #define ecb_artificial ecb_attribute ((__artificial__)) |
694 | #define ecb_hot ecb_attribute ((__hot__)) |
1038 | #define ecb_hot ecb_attribute ((__hot__)) |
695 | #define ecb_cold ecb_attribute ((__cold__)) |
1039 | #define ecb_cold ecb_attribute ((__cold__)) |
… | |
… | |
707 | /* for compatibility to the rest of the world */ |
1051 | /* for compatibility to the rest of the world */ |
708 | #define ecb_likely(expr) ecb_expect_true (expr) |
1052 | #define ecb_likely(expr) ecb_expect_true (expr) |
709 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
1053 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
710 | |
1054 | |
711 | /* count trailing zero bits and count # of one bits */ |
1055 | /* count trailing zero bits and count # of one bits */ |
712 | #if ECB_GCC_VERSION(3,4) |
1056 | #if ECB_GCC_VERSION(3,4) \ |
|
|
1057 | || (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \ |
|
|
1058 | && ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \ |
|
|
1059 | && ECB_CLANG_BUILTIN(__builtin_popcount)) |
713 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
1060 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
714 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
1061 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
715 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
1062 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
716 | #define ecb_ctz32(x) __builtin_ctz (x) |
1063 | #define ecb_ctz32(x) __builtin_ctz (x) |
717 | #define ecb_ctz64(x) __builtin_ctzll (x) |
1064 | #define ecb_ctz64(x) __builtin_ctzll (x) |
718 | #define ecb_popcount32(x) __builtin_popcount (x) |
1065 | #define ecb_popcount32(x) __builtin_popcount (x) |
719 | /* no popcountll */ |
1066 | /* no popcountll */ |
720 | #else |
1067 | #else |
721 | ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const; |
1068 | ecb_function_ ecb_const int ecb_ctz32 (uint32_t x); |
722 | ecb_function_ int |
1069 | ecb_function_ ecb_const int |
723 | ecb_ctz32 (uint32_t x) |
1070 | ecb_ctz32 (uint32_t x) |
724 | { |
1071 | { |
|
|
1072 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
1073 | unsigned long r; |
|
|
1074 | _BitScanForward (&r, x); |
|
|
1075 | return (int)r; |
|
|
1076 | #else |
725 | int r = 0; |
1077 | int r = 0; |
726 | |
1078 | |
727 | x &= ~x + 1; /* this isolates the lowest bit */ |
1079 | x &= ~x + 1; /* this isolates the lowest bit */ |
728 | |
1080 | |
729 | #if ECB_branchless_on_i386 |
1081 | #if ECB_branchless_on_i386 |
… | |
… | |
739 | if (x & 0xff00ff00) r += 8; |
1091 | if (x & 0xff00ff00) r += 8; |
740 | if (x & 0xffff0000) r += 16; |
1092 | if (x & 0xffff0000) r += 16; |
741 | #endif |
1093 | #endif |
742 | |
1094 | |
743 | return r; |
1095 | return r; |
|
|
1096 | #endif |
744 | } |
1097 | } |
745 | |
1098 | |
746 | ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const; |
1099 | ecb_function_ ecb_const int ecb_ctz64 (uint64_t x); |
747 | ecb_function_ int |
1100 | ecb_function_ ecb_const int |
748 | ecb_ctz64 (uint64_t x) |
1101 | ecb_ctz64 (uint64_t x) |
749 | { |
1102 | { |
|
|
1103 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
1104 | unsigned long r; |
|
|
1105 | _BitScanForward64 (&r, x); |
|
|
1106 | return (int)r; |
|
|
1107 | #else |
750 | int shift = x & 0xffffffffU ? 0 : 32; |
1108 | int shift = x & 0xffffffff ? 0 : 32; |
751 | return ecb_ctz32 (x >> shift) + shift; |
1109 | return ecb_ctz32 (x >> shift) + shift; |
|
|
1110 | #endif |
752 | } |
1111 | } |
753 | |
1112 | |
754 | ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const; |
1113 | ecb_function_ ecb_const int ecb_popcount32 (uint32_t x); |
755 | ecb_function_ int |
1114 | ecb_function_ ecb_const int |
756 | ecb_popcount32 (uint32_t x) |
1115 | ecb_popcount32 (uint32_t x) |
757 | { |
1116 | { |
758 | x -= (x >> 1) & 0x55555555; |
1117 | x -= (x >> 1) & 0x55555555; |
759 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
1118 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
760 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
1119 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
761 | x *= 0x01010101; |
1120 | x *= 0x01010101; |
762 | |
1121 | |
763 | return x >> 24; |
1122 | return x >> 24; |
764 | } |
1123 | } |
765 | |
1124 | |
766 | ecb_function_ int ecb_ld32 (uint32_t x) ecb_const; |
1125 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x); |
767 | ecb_function_ int ecb_ld32 (uint32_t x) |
1126 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x) |
768 | { |
1127 | { |
|
|
1128 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
1129 | unsigned long r; |
|
|
1130 | _BitScanReverse (&r, x); |
|
|
1131 | return (int)r; |
|
|
1132 | #else |
769 | int r = 0; |
1133 | int r = 0; |
770 | |
1134 | |
771 | if (x >> 16) { x >>= 16; r += 16; } |
1135 | if (x >> 16) { x >>= 16; r += 16; } |
772 | if (x >> 8) { x >>= 8; r += 8; } |
1136 | if (x >> 8) { x >>= 8; r += 8; } |
773 | if (x >> 4) { x >>= 4; r += 4; } |
1137 | if (x >> 4) { x >>= 4; r += 4; } |
774 | if (x >> 2) { x >>= 2; r += 2; } |
1138 | if (x >> 2) { x >>= 2; r += 2; } |
775 | if (x >> 1) { r += 1; } |
1139 | if (x >> 1) { r += 1; } |
776 | |
1140 | |
777 | return r; |
1141 | return r; |
|
|
1142 | #endif |
778 | } |
1143 | } |
779 | |
1144 | |
780 | ecb_function_ int ecb_ld64 (uint64_t x) ecb_const; |
1145 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x); |
781 | ecb_function_ int ecb_ld64 (uint64_t x) |
1146 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x) |
782 | { |
1147 | { |
|
|
1148 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
1149 | unsigned long r; |
|
|
1150 | _BitScanReverse64 (&r, x); |
|
|
1151 | return (int)r; |
|
|
1152 | #else |
783 | int r = 0; |
1153 | int r = 0; |
784 | |
1154 | |
785 | if (x >> 32) { x >>= 32; r += 32; } |
1155 | if (x >> 32) { x >>= 32; r += 32; } |
786 | |
1156 | |
787 | return r + ecb_ld32 (x); |
1157 | return r + ecb_ld32 (x); |
|
|
1158 | #endif |
788 | } |
1159 | } |
789 | #endif |
1160 | #endif |
790 | |
1161 | |
|
|
1162 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x); |
|
|
1163 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
|
|
1164 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x); |
|
|
1165 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
|
|
1166 | |
791 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
1167 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x); |
792 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
1168 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x) |
793 | { |
1169 | { |
794 | return ( (x * 0x0802U & 0x22110U) |
1170 | return ( (x * 0x0802U & 0x22110U) |
795 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
1171 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
796 | } |
1172 | } |
797 | |
1173 | |
798 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const; |
1174 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x); |
799 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) |
1175 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x) |
800 | { |
1176 | { |
801 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
1177 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
802 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
1178 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
803 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
1179 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
804 | x = ( x >> 8 ) | ( x << 8); |
1180 | x = ( x >> 8 ) | ( x << 8); |
805 | |
1181 | |
806 | return x; |
1182 | return x; |
807 | } |
1183 | } |
808 | |
1184 | |
809 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const; |
1185 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x); |
810 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) |
1186 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x) |
811 | { |
1187 | { |
812 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
1188 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
813 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
1189 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
814 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
1190 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
815 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
1191 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
… | |
… | |
818 | return x; |
1194 | return x; |
819 | } |
1195 | } |
820 | |
1196 | |
821 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
1197 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
822 | /* so for this version we are lazy */ |
1198 | /* so for this version we are lazy */ |
823 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
1199 | ecb_function_ ecb_const int ecb_popcount64 (uint64_t x); |
824 | ecb_function_ int |
1200 | ecb_function_ ecb_const int |
825 | ecb_popcount64 (uint64_t x) |
1201 | ecb_popcount64 (uint64_t x) |
826 | { |
1202 | { |
827 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
1203 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
828 | } |
1204 | } |
829 | |
1205 | |
830 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const; |
1206 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count); |
831 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const; |
1207 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count); |
832 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const; |
1208 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count); |
833 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const; |
1209 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count); |
834 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const; |
1210 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count); |
835 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const; |
1211 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count); |
836 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const; |
1212 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count); |
837 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const; |
1213 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count); |
838 | |
1214 | |
839 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
1215 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
840 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
1216 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
841 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
1217 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
842 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
1218 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
843 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
1219 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
844 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
1220 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
845 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
1221 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
846 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
1222 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
847 | |
1223 | |
848 | #if ECB_GCC_VERSION(4,3) |
1224 | #if ECB_CPP |
|
|
1225 | |
|
|
1226 | inline uint8_t ecb_ctz (uint8_t v) { return ecb_ctz32 (v); } |
|
|
1227 | inline uint16_t ecb_ctz (uint16_t v) { return ecb_ctz32 (v); } |
|
|
1228 | inline uint32_t ecb_ctz (uint32_t v) { return ecb_ctz32 (v); } |
|
|
1229 | inline uint64_t ecb_ctz (uint64_t v) { return ecb_ctz64 (v); } |
|
|
1230 | |
|
|
1231 | inline bool ecb_is_pot (uint8_t v) { return ecb_is_pot32 (v); } |
|
|
1232 | inline bool ecb_is_pot (uint16_t v) { return ecb_is_pot32 (v); } |
|
|
1233 | inline bool ecb_is_pot (uint32_t v) { return ecb_is_pot32 (v); } |
|
|
1234 | inline bool ecb_is_pot (uint64_t v) { return ecb_is_pot64 (v); } |
|
|
1235 | |
|
|
1236 | inline int ecb_ld (uint8_t v) { return ecb_ld32 (v); } |
|
|
1237 | inline int ecb_ld (uint16_t v) { return ecb_ld32 (v); } |
|
|
1238 | inline int ecb_ld (uint32_t v) { return ecb_ld32 (v); } |
|
|
1239 | inline int ecb_ld (uint64_t v) { return ecb_ld64 (v); } |
|
|
1240 | |
|
|
1241 | inline int ecb_popcount (uint8_t v) { return ecb_popcount32 (v); } |
|
|
1242 | inline int ecb_popcount (uint16_t v) { return ecb_popcount32 (v); } |
|
|
1243 | inline int ecb_popcount (uint32_t v) { return ecb_popcount32 (v); } |
|
|
1244 | inline int ecb_popcount (uint64_t v) { return ecb_popcount64 (v); } |
|
|
1245 | |
|
|
1246 | inline uint8_t ecb_bitrev (uint8_t v) { return ecb_bitrev8 (v); } |
|
|
1247 | inline uint16_t ecb_bitrev (uint16_t v) { return ecb_bitrev16 (v); } |
|
|
1248 | inline uint32_t ecb_bitrev (uint32_t v) { return ecb_bitrev32 (v); } |
|
|
1249 | |
|
|
1250 | inline uint8_t ecb_rotl (uint8_t v, unsigned int count) { return ecb_rotl8 (v, count); } |
|
|
1251 | inline uint16_t ecb_rotl (uint16_t v, unsigned int count) { return ecb_rotl16 (v, count); } |
|
|
1252 | inline uint32_t ecb_rotl (uint32_t v, unsigned int count) { return ecb_rotl32 (v, count); } |
|
|
1253 | inline uint64_t ecb_rotl (uint64_t v, unsigned int count) { return ecb_rotl64 (v, count); } |
|
|
1254 | |
|
|
1255 | inline uint8_t ecb_rotr (uint8_t v, unsigned int count) { return ecb_rotr8 (v, count); } |
|
|
1256 | inline uint16_t ecb_rotr (uint16_t v, unsigned int count) { return ecb_rotr16 (v, count); } |
|
|
1257 | inline uint32_t ecb_rotr (uint32_t v, unsigned int count) { return ecb_rotr32 (v, count); } |
|
|
1258 | inline uint64_t ecb_rotr (uint64_t v, unsigned int count) { return ecb_rotr64 (v, count); } |
|
|
1259 | |
|
|
1260 | #endif |
|
|
1261 | |
|
|
1262 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
|
|
1263 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
|
|
1264 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
|
|
1265 | #else |
849 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
1266 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
|
|
1267 | #endif |
850 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
1268 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
851 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
1269 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
|
|
1270 | #elif _MSC_VER |
|
|
1271 | #include <stdlib.h> |
|
|
1272 | #define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x))) |
|
|
1273 | #define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x))) |
|
|
1274 | #define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x))) |
852 | #else |
1275 | #else |
853 | ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const; |
1276 | ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x); |
854 | ecb_function_ uint16_t |
1277 | ecb_function_ ecb_const uint16_t |
855 | ecb_bswap16 (uint16_t x) |
1278 | ecb_bswap16 (uint16_t x) |
856 | { |
1279 | { |
857 | return ecb_rotl16 (x, 8); |
1280 | return ecb_rotl16 (x, 8); |
858 | } |
1281 | } |
859 | |
1282 | |
860 | ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const; |
1283 | ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x); |
861 | ecb_function_ uint32_t |
1284 | ecb_function_ ecb_const uint32_t |
862 | ecb_bswap32 (uint32_t x) |
1285 | ecb_bswap32 (uint32_t x) |
863 | { |
1286 | { |
864 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
1287 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
865 | } |
1288 | } |
866 | |
1289 | |
867 | ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const; |
1290 | ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x); |
868 | ecb_function_ uint64_t |
1291 | ecb_function_ ecb_const uint64_t |
869 | ecb_bswap64 (uint64_t x) |
1292 | ecb_bswap64 (uint64_t x) |
870 | { |
1293 | { |
871 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
1294 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
872 | } |
1295 | } |
873 | #endif |
1296 | #endif |
874 | |
1297 | |
875 | #if ECB_GCC_VERSION(4,5) |
1298 | #if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable) |
876 | #define ecb_unreachable() __builtin_unreachable () |
1299 | #define ecb_unreachable() __builtin_unreachable () |
877 | #else |
1300 | #else |
878 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
1301 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
879 | ecb_inline void ecb_unreachable (void) ecb_noreturn; |
1302 | ecb_inline ecb_noreturn void ecb_unreachable (void); |
880 | ecb_inline void ecb_unreachable (void) { } |
1303 | ecb_inline ecb_noreturn void ecb_unreachable (void) { } |
881 | #endif |
1304 | #endif |
882 | |
1305 | |
883 | /* try to tell the compiler that some condition is definitely true */ |
1306 | /* try to tell the compiler that some condition is definitely true */ |
884 | #define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) |
1307 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
885 | |
1308 | |
886 | ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; |
1309 | ecb_inline ecb_const uint32_t ecb_byteorder_helper (void); |
887 | ecb_inline unsigned char |
1310 | ecb_inline ecb_const uint32_t |
888 | ecb_byteorder_helper (void) |
1311 | ecb_byteorder_helper (void) |
889 | { |
1312 | { |
890 | const uint32_t u = 0x11223344; |
1313 | /* the union code still generates code under pressure in gcc, */ |
891 | return *(unsigned char *)&u; |
1314 | /* but less than using pointers, and always seems to */ |
|
|
1315 | /* successfully return a constant. */ |
|
|
1316 | /* the reason why we have this horrible preprocessor mess */ |
|
|
1317 | /* is to avoid it in all cases, at least on common architectures */ |
|
|
1318 | /* or when using a recent enough gcc version (>= 4.6) */ |
|
|
1319 | #if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \ |
|
|
1320 | || ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__) |
|
|
1321 | #define ECB_LITTLE_ENDIAN 1 |
|
|
1322 | return 0x44332211; |
|
|
1323 | #elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \ |
|
|
1324 | || ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__) |
|
|
1325 | #define ECB_BIG_ENDIAN 1 |
|
|
1326 | return 0x11223344; |
|
|
1327 | #else |
|
|
1328 | union |
|
|
1329 | { |
|
|
1330 | uint8_t c[4]; |
|
|
1331 | uint32_t u; |
|
|
1332 | } u = { 0x11, 0x22, 0x33, 0x44 }; |
|
|
1333 | return u.u; |
|
|
1334 | #endif |
892 | } |
1335 | } |
893 | |
1336 | |
894 | ecb_inline ecb_bool ecb_big_endian (void) ecb_const; |
1337 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
895 | ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
1338 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
896 | ecb_inline ecb_bool ecb_little_endian (void) ecb_const; |
1339 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
897 | ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
1340 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
|
|
1341 | |
|
|
1342 | /*****************************************************************************/ |
|
|
1343 | /* unaligned load/store */ |
|
|
1344 | |
|
|
1345 | ecb_inline uint_fast16_t ecb_be_u16_to_host (uint_fast16_t v) { return ecb_little_endian () ? ecb_bswap16 (v) : v; } |
|
|
1346 | ecb_inline uint_fast32_t ecb_be_u32_to_host (uint_fast32_t v) { return ecb_little_endian () ? ecb_bswap32 (v) : v; } |
|
|
1347 | ecb_inline uint_fast64_t ecb_be_u64_to_host (uint_fast64_t v) { return ecb_little_endian () ? ecb_bswap64 (v) : v; } |
|
|
1348 | |
|
|
1349 | ecb_inline uint_fast16_t ecb_le_u16_to_host (uint_fast16_t v) { return ecb_big_endian () ? ecb_bswap16 (v) : v; } |
|
|
1350 | ecb_inline uint_fast32_t ecb_le_u32_to_host (uint_fast32_t v) { return ecb_big_endian () ? ecb_bswap32 (v) : v; } |
|
|
1351 | ecb_inline uint_fast64_t ecb_le_u64_to_host (uint_fast64_t v) { return ecb_big_endian () ? ecb_bswap64 (v) : v; } |
|
|
1352 | |
|
|
1353 | ecb_inline uint_fast16_t ecb_peek_u16_u (const void *ptr) { uint16_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1354 | ecb_inline uint_fast32_t ecb_peek_u32_u (const void *ptr) { uint32_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1355 | ecb_inline uint_fast64_t ecb_peek_u64_u (const void *ptr) { uint64_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1356 | |
|
|
1357 | ecb_inline uint_fast16_t ecb_peek_be_u16_u (const void *ptr) { return ecb_be_u16_to_host (ecb_peek_u16_u (ptr)); } |
|
|
1358 | ecb_inline uint_fast32_t ecb_peek_be_u32_u (const void *ptr) { return ecb_be_u32_to_host (ecb_peek_u32_u (ptr)); } |
|
|
1359 | ecb_inline uint_fast64_t ecb_peek_be_u64_u (const void *ptr) { return ecb_be_u64_to_host (ecb_peek_u64_u (ptr)); } |
|
|
1360 | |
|
|
1361 | ecb_inline uint_fast16_t ecb_peek_le_u16_u (const void *ptr) { return ecb_le_u16_to_host (ecb_peek_u16_u (ptr)); } |
|
|
1362 | ecb_inline uint_fast32_t ecb_peek_le_u32_u (const void *ptr) { return ecb_le_u32_to_host (ecb_peek_u32_u (ptr)); } |
|
|
1363 | ecb_inline uint_fast64_t ecb_peek_le_u64_u (const void *ptr) { return ecb_le_u64_to_host (ecb_peek_u64_u (ptr)); } |
|
|
1364 | |
|
|
1365 | ecb_inline uint_fast16_t ecb_host_to_be_u16 (uint_fast16_t v) { return ecb_little_endian () ? ecb_bswap16 (v) : v; } |
|
|
1366 | ecb_inline uint_fast32_t ecb_host_to_be_u32 (uint_fast32_t v) { return ecb_little_endian () ? ecb_bswap32 (v) : v; } |
|
|
1367 | ecb_inline uint_fast64_t ecb_host_to_be_u64 (uint_fast64_t v) { return ecb_little_endian () ? ecb_bswap64 (v) : v; } |
|
|
1368 | |
|
|
1369 | ecb_inline uint_fast16_t ecb_host_to_le_u16 (uint_fast16_t v) { return ecb_big_endian () ? ecb_bswap16 (v) : v; } |
|
|
1370 | ecb_inline uint_fast32_t ecb_host_to_le_u32 (uint_fast32_t v) { return ecb_big_endian () ? ecb_bswap32 (v) : v; } |
|
|
1371 | ecb_inline uint_fast64_t ecb_host_to_le_u64 (uint_fast64_t v) { return ecb_big_endian () ? ecb_bswap64 (v) : v; } |
|
|
1372 | |
|
|
1373 | ecb_inline void ecb_poke_u16_u (void *ptr, uint16_t v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1374 | ecb_inline void ecb_poke_u32_u (void *ptr, uint32_t v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1375 | ecb_inline void ecb_poke_u64_u (void *ptr, uint64_t v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1376 | |
|
|
1377 | ecb_inline void ecb_poke_be_u16_u (void *ptr, uint_fast16_t v) { ecb_poke_u16_u (ptr, ecb_host_to_be_u16 (v)); } |
|
|
1378 | ecb_inline void ecb_poke_be_u32_u (void *ptr, uint_fast32_t v) { ecb_poke_u32_u (ptr, ecb_host_to_be_u32 (v)); } |
|
|
1379 | ecb_inline void ecb_poke_be_u64_u (void *ptr, uint_fast64_t v) { ecb_poke_u64_u (ptr, ecb_host_to_be_u64 (v)); } |
|
|
1380 | |
|
|
1381 | ecb_inline void ecb_poke_le_u16_u (void *ptr, uint_fast16_t v) { ecb_poke_u16_u (ptr, ecb_host_to_le_u16 (v)); } |
|
|
1382 | ecb_inline void ecb_poke_le_u32_u (void *ptr, uint_fast32_t v) { ecb_poke_u32_u (ptr, ecb_host_to_le_u32 (v)); } |
|
|
1383 | ecb_inline void ecb_poke_le_u64_u (void *ptr, uint_fast64_t v) { ecb_poke_u64_u (ptr, ecb_host_to_le_u64 (v)); } |
|
|
1384 | |
|
|
1385 | #if ECB_CPP |
|
|
1386 | |
|
|
1387 | inline uint8_t ecb_bswap (uint8_t v) { return v; } |
|
|
1388 | inline uint16_t ecb_bswap (uint16_t v) { return ecb_bswap16 (v); } |
|
|
1389 | inline uint32_t ecb_bswap (uint32_t v) { return ecb_bswap32 (v); } |
|
|
1390 | inline uint64_t ecb_bswap (uint64_t v) { return ecb_bswap64 (v); } |
|
|
1391 | |
|
|
1392 | template<typename T> inline T ecb_be_to_host (T v) { return ecb_little_endian () ? ecb_bswap (v) : v; } |
|
|
1393 | template<typename T> inline T ecb_le_to_host (T v) { return ecb_big_endian () ? ecb_bswap (v) : v; } |
|
|
1394 | template<typename T> inline T ecb_peek (const void *ptr) { return *(const T *)ptr; } |
|
|
1395 | template<typename T> inline T ecb_peek_be (const void *ptr) { return ecb_be_to_host (ecb_peek <T> (ptr)); } |
|
|
1396 | template<typename T> inline T ecb_peek_le (const void *ptr) { return ecb_le_to_host (ecb_peek <T> (ptr)); } |
|
|
1397 | template<typename T> inline T ecb_peek_u (const void *ptr) { T v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1398 | template<typename T> inline T ecb_peek_be_u (const void *ptr) { return ecb_be_to_host (ecb_peek_u<T> (ptr)); } |
|
|
1399 | template<typename T> inline T ecb_peek_le_u (const void *ptr) { return ecb_le_to_host (ecb_peek_u<T> (ptr)); } |
|
|
1400 | |
|
|
1401 | template<typename T> inline T ecb_host_to_be (T v) { return ecb_little_endian () ? ecb_bswap (v) : v; } |
|
|
1402 | template<typename T> inline T ecb_host_to_le (T v) { return ecb_big_endian () ? ecb_bswap (v) : v; } |
|
|
1403 | template<typename T> inline void ecb_poke (void *ptr, T v) { *(T *)ptr = v; } |
|
|
1404 | template<typename T> inline void ecb_poke_be (void *ptr, T v) { return ecb_poke <T> (ptr, ecb_host_to_be (v)); } |
|
|
1405 | template<typename T> inline void ecb_poke_le (void *ptr, T v) { return ecb_poke <T> (ptr, ecb_host_to_le (v)); } |
|
|
1406 | template<typename T> inline void ecb_poke_u (void *ptr, T v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1407 | template<typename T> inline void ecb_poke_be_u (void *ptr, T v) { return ecb_poke_u<T> (ptr, ecb_host_to_be (v)); } |
|
|
1408 | template<typename T> inline void ecb_poke_le_u (void *ptr, T v) { return ecb_poke_u<T> (ptr, ecb_host_to_le (v)); } |
|
|
1409 | |
|
|
1410 | #endif |
|
|
1411 | |
|
|
1412 | /*****************************************************************************/ |
898 | |
1413 | |
899 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1414 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
900 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1415 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
901 | #else |
1416 | #else |
902 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1417 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
903 | #endif |
1418 | #endif |
904 | |
1419 | |
905 | #if __cplusplus |
1420 | #if ECB_CPP |
906 | template<typename T> |
1421 | template<typename T> |
907 | static inline T ecb_div_rd (T val, T div) |
1422 | static inline T ecb_div_rd (T val, T div) |
908 | { |
1423 | { |
909 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
1424 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
910 | } |
1425 | } |
… | |
… | |
927 | } |
1442 | } |
928 | #else |
1443 | #else |
929 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1444 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
930 | #endif |
1445 | #endif |
931 | |
1446 | |
|
|
1447 | /*****************************************************************************/ |
|
|
1448 | |
|
|
1449 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
|
|
1450 | ecb_function_ ecb_const uint32_t |
|
|
1451 | ecb_binary16_to_binary32 (uint32_t x) |
|
|
1452 | { |
|
|
1453 | unsigned int s = (x & 0x8000) << (31 - 15); |
|
|
1454 | int e = (x >> 10) & 0x001f; |
|
|
1455 | unsigned int m = x & 0x03ff; |
|
|
1456 | |
|
|
1457 | if (ecb_expect_false (e == 31)) |
|
|
1458 | /* infinity or NaN */ |
|
|
1459 | e = 255 - (127 - 15); |
|
|
1460 | else if (ecb_expect_false (!e)) |
|
|
1461 | { |
|
|
1462 | if (ecb_expect_true (!m)) |
|
|
1463 | /* zero, handled by code below by forcing e to 0 */ |
|
|
1464 | e = 0 - (127 - 15); |
|
|
1465 | else |
|
|
1466 | { |
|
|
1467 | /* subnormal, renormalise */ |
|
|
1468 | unsigned int s = 10 - ecb_ld32 (m); |
|
|
1469 | |
|
|
1470 | m = (m << s) & 0x3ff; /* mask implicit bit */ |
|
|
1471 | e -= s - 1; |
|
|
1472 | } |
|
|
1473 | } |
|
|
1474 | |
|
|
1475 | /* e and m now are normalised, or zero, (or inf or nan) */ |
|
|
1476 | e += 127 - 15; |
|
|
1477 | |
|
|
1478 | return s | (e << 23) | (m << (23 - 10)); |
|
|
1479 | } |
|
|
1480 | |
|
|
1481 | ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x); |
|
|
1482 | ecb_function_ ecb_const uint16_t |
|
|
1483 | ecb_binary32_to_binary16 (uint32_t x) |
|
|
1484 | { |
|
|
1485 | unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */ |
|
|
1486 | unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */ |
|
|
1487 | unsigned int m = x & 0x007fffff; |
|
|
1488 | |
|
|
1489 | x &= 0x7fffffff; |
|
|
1490 | |
|
|
1491 | /* if it's within range of binary16 normals, use fast path */ |
|
|
1492 | if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff)) |
|
|
1493 | { |
|
|
1494 | /* mantissa round-to-even */ |
|
|
1495 | m += 0x00000fff + ((m >> (23 - 10)) & 1); |
|
|
1496 | |
|
|
1497 | /* handle overflow */ |
|
|
1498 | if (ecb_expect_false (m >= 0x00800000)) |
|
|
1499 | { |
|
|
1500 | m >>= 1; |
|
|
1501 | e += 1; |
|
|
1502 | } |
|
|
1503 | |
|
|
1504 | return s | (e << 10) | (m >> (23 - 10)); |
|
|
1505 | } |
|
|
1506 | |
|
|
1507 | /* handle large numbers and infinity */ |
|
|
1508 | if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000)) |
|
|
1509 | return s | 0x7c00; |
|
|
1510 | |
|
|
1511 | /* handle zero, subnormals and small numbers */ |
|
|
1512 | if (ecb_expect_true (x < 0x38800000)) |
|
|
1513 | { |
|
|
1514 | /* zero */ |
|
|
1515 | if (ecb_expect_true (!x)) |
|
|
1516 | return s; |
|
|
1517 | |
|
|
1518 | /* handle subnormals */ |
|
|
1519 | |
|
|
1520 | /* too small, will be zero */ |
|
|
1521 | if (e < (14 - 24)) /* might not be sharp, but is good enough */ |
|
|
1522 | return s; |
|
|
1523 | |
|
|
1524 | m |= 0x00800000; /* make implicit bit explicit */ |
|
|
1525 | |
|
|
1526 | /* very tricky - we need to round to the nearest e (+10) bit value */ |
|
|
1527 | { |
|
|
1528 | unsigned int bits = 14 - e; |
|
|
1529 | unsigned int half = (1 << (bits - 1)) - 1; |
|
|
1530 | unsigned int even = (m >> bits) & 1; |
|
|
1531 | |
|
|
1532 | /* if this overflows, we will end up with a normalised number */ |
|
|
1533 | m = (m + half + even) >> bits; |
|
|
1534 | } |
|
|
1535 | |
|
|
1536 | return s | m; |
|
|
1537 | } |
|
|
1538 | |
|
|
1539 | /* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */ |
|
|
1540 | m >>= 13; |
|
|
1541 | |
|
|
1542 | return s | 0x7c00 | m | !m; |
|
|
1543 | } |
|
|
1544 | |
|
|
1545 | /*******************************************************************************/ |
|
|
1546 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
|
|
1547 | |
|
|
1548 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
|
|
1549 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
|
|
1550 | #if 0 \ |
|
|
1551 | || __i386 || __i386__ \ |
|
|
1552 | || ECB_GCC_AMD64 \ |
|
|
1553 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
|
|
1554 | || defined __s390__ || defined __s390x__ \ |
|
|
1555 | || defined __mips__ \ |
|
|
1556 | || defined __alpha__ \ |
|
|
1557 | || defined __hppa__ \ |
|
|
1558 | || defined __ia64__ \ |
|
|
1559 | || defined __m68k__ \ |
|
|
1560 | || defined __m88k__ \ |
|
|
1561 | || defined __sh__ \ |
|
|
1562 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
|
|
1563 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
|
|
1564 | || defined __aarch64__ |
|
|
1565 | #define ECB_STDFP 1 |
|
|
1566 | #else |
|
|
1567 | #define ECB_STDFP 0 |
|
|
1568 | #endif |
|
|
1569 | |
|
|
1570 | #ifndef ECB_NO_LIBM |
|
|
1571 | |
|
|
1572 | #include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */ |
|
|
1573 | |
|
|
1574 | /* only the oldest of old doesn't have this one. solaris. */ |
|
|
1575 | #ifdef INFINITY |
|
|
1576 | #define ECB_INFINITY INFINITY |
|
|
1577 | #else |
|
|
1578 | #define ECB_INFINITY HUGE_VAL |
|
|
1579 | #endif |
|
|
1580 | |
|
|
1581 | #ifdef NAN |
|
|
1582 | #define ECB_NAN NAN |
|
|
1583 | #else |
|
|
1584 | #define ECB_NAN ECB_INFINITY |
|
|
1585 | #endif |
|
|
1586 | |
|
|
1587 | #if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L |
|
|
1588 | #define ecb_ldexpf(x,e) ldexpf ((x), (e)) |
|
|
1589 | #define ecb_frexpf(x,e) frexpf ((x), (e)) |
|
|
1590 | #else |
|
|
1591 | #define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e)) |
|
|
1592 | #define ecb_frexpf(x,e) (float) frexp ((double) (x), (e)) |
|
|
1593 | #endif |
|
|
1594 | |
|
|
1595 | /* convert a float to ieee single/binary32 */ |
|
|
1596 | ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x); |
|
|
1597 | ecb_function_ ecb_const uint32_t |
|
|
1598 | ecb_float_to_binary32 (float x) |
|
|
1599 | { |
|
|
1600 | uint32_t r; |
|
|
1601 | |
|
|
1602 | #if ECB_STDFP |
|
|
1603 | memcpy (&r, &x, 4); |
|
|
1604 | #else |
|
|
1605 | /* slow emulation, works for anything but -0 */ |
|
|
1606 | uint32_t m; |
|
|
1607 | int e; |
|
|
1608 | |
|
|
1609 | if (x == 0e0f ) return 0x00000000U; |
|
|
1610 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
|
|
1611 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
|
|
1612 | if (x != x ) return 0x7fbfffffU; |
|
|
1613 | |
|
|
1614 | m = ecb_frexpf (x, &e) * 0x1000000U; |
|
|
1615 | |
|
|
1616 | r = m & 0x80000000U; |
|
|
1617 | |
|
|
1618 | if (r) |
|
|
1619 | m = -m; |
|
|
1620 | |
|
|
1621 | if (e <= -126) |
|
|
1622 | { |
|
|
1623 | m &= 0xffffffU; |
|
|
1624 | m >>= (-125 - e); |
|
|
1625 | e = -126; |
|
|
1626 | } |
|
|
1627 | |
|
|
1628 | r |= (e + 126) << 23; |
|
|
1629 | r |= m & 0x7fffffU; |
|
|
1630 | #endif |
|
|
1631 | |
|
|
1632 | return r; |
|
|
1633 | } |
|
|
1634 | |
|
|
1635 | /* converts an ieee single/binary32 to a float */ |
|
|
1636 | ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x); |
|
|
1637 | ecb_function_ ecb_const float |
|
|
1638 | ecb_binary32_to_float (uint32_t x) |
|
|
1639 | { |
|
|
1640 | float r; |
|
|
1641 | |
|
|
1642 | #if ECB_STDFP |
|
|
1643 | memcpy (&r, &x, 4); |
|
|
1644 | #else |
|
|
1645 | /* emulation, only works for normals and subnormals and +0 */ |
|
|
1646 | int neg = x >> 31; |
|
|
1647 | int e = (x >> 23) & 0xffU; |
|
|
1648 | |
|
|
1649 | x &= 0x7fffffU; |
|
|
1650 | |
|
|
1651 | if (e) |
|
|
1652 | x |= 0x800000U; |
|
|
1653 | else |
|
|
1654 | e = 1; |
|
|
1655 | |
|
|
1656 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
|
|
1657 | r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126); |
|
|
1658 | |
|
|
1659 | r = neg ? -r : r; |
|
|
1660 | #endif |
|
|
1661 | |
|
|
1662 | return r; |
|
|
1663 | } |
|
|
1664 | |
|
|
1665 | /* convert a double to ieee double/binary64 */ |
|
|
1666 | ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x); |
|
|
1667 | ecb_function_ ecb_const uint64_t |
|
|
1668 | ecb_double_to_binary64 (double x) |
|
|
1669 | { |
|
|
1670 | uint64_t r; |
|
|
1671 | |
|
|
1672 | #if ECB_STDFP |
|
|
1673 | memcpy (&r, &x, 8); |
|
|
1674 | #else |
|
|
1675 | /* slow emulation, works for anything but -0 */ |
|
|
1676 | uint64_t m; |
|
|
1677 | int e; |
|
|
1678 | |
|
|
1679 | if (x == 0e0 ) return 0x0000000000000000U; |
|
|
1680 | if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U; |
|
|
1681 | if (x < -1.79769313486231470e+308) return 0xfff0000000000000U; |
|
|
1682 | if (x != x ) return 0X7ff7ffffffffffffU; |
|
|
1683 | |
|
|
1684 | m = frexp (x, &e) * 0x20000000000000U; |
|
|
1685 | |
|
|
1686 | r = m & 0x8000000000000000;; |
|
|
1687 | |
|
|
1688 | if (r) |
|
|
1689 | m = -m; |
|
|
1690 | |
|
|
1691 | if (e <= -1022) |
|
|
1692 | { |
|
|
1693 | m &= 0x1fffffffffffffU; |
|
|
1694 | m >>= (-1021 - e); |
|
|
1695 | e = -1022; |
|
|
1696 | } |
|
|
1697 | |
|
|
1698 | r |= ((uint64_t)(e + 1022)) << 52; |
|
|
1699 | r |= m & 0xfffffffffffffU; |
|
|
1700 | #endif |
|
|
1701 | |
|
|
1702 | return r; |
|
|
1703 | } |
|
|
1704 | |
|
|
1705 | /* converts an ieee double/binary64 to a double */ |
|
|
1706 | ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x); |
|
|
1707 | ecb_function_ ecb_const double |
|
|
1708 | ecb_binary64_to_double (uint64_t x) |
|
|
1709 | { |
|
|
1710 | double r; |
|
|
1711 | |
|
|
1712 | #if ECB_STDFP |
|
|
1713 | memcpy (&r, &x, 8); |
|
|
1714 | #else |
|
|
1715 | /* emulation, only works for normals and subnormals and +0 */ |
|
|
1716 | int neg = x >> 63; |
|
|
1717 | int e = (x >> 52) & 0x7ffU; |
|
|
1718 | |
|
|
1719 | x &= 0xfffffffffffffU; |
|
|
1720 | |
|
|
1721 | if (e) |
|
|
1722 | x |= 0x10000000000000U; |
|
|
1723 | else |
|
|
1724 | e = 1; |
|
|
1725 | |
|
|
1726 | /* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */ |
|
|
1727 | r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022); |
|
|
1728 | |
|
|
1729 | r = neg ? -r : r; |
|
|
1730 | #endif |
|
|
1731 | |
|
|
1732 | return r; |
|
|
1733 | } |
|
|
1734 | |
|
|
1735 | /* convert a float to ieee half/binary16 */ |
|
|
1736 | ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x); |
|
|
1737 | ecb_function_ ecb_const uint16_t |
|
|
1738 | ecb_float_to_binary16 (float x) |
|
|
1739 | { |
|
|
1740 | return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x)); |
|
|
1741 | } |
|
|
1742 | |
|
|
1743 | /* convert an ieee half/binary16 to float */ |
|
|
1744 | ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x); |
|
|
1745 | ecb_function_ ecb_const float |
|
|
1746 | ecb_binary16_to_float (uint16_t x) |
|
|
1747 | { |
|
|
1748 | return ecb_binary32_to_float (ecb_binary16_to_binary32 (x)); |
|
|
1749 | } |
|
|
1750 | |
|
|
1751 | #endif |
|
|
1752 | |
932 | #endif |
1753 | #endif |
933 | |
1754 | |
934 | /* ECB.H END */ |
1755 | /* ECB.H END */ |
935 | |
1756 | |
936 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1757 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
937 | /* if your architecture doesn't need memory fences, e.g. because it is |
1758 | /* if your architecture doesn't need memory fences, e.g. because it is |
938 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
1759 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
939 | * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling |
1760 | * from multiple threads, then you can define ECB_NO_THREADS when compiling |
940 | * libev, in which cases the memory fences become nops. |
1761 | * libev, in which cases the memory fences become nops. |
941 | * alternatively, you can remove this #error and link against libpthread, |
1762 | * alternatively, you can remove this #error and link against libpthread, |
942 | * which will then provide the memory fences. |
1763 | * which will then provide the memory fences. |
943 | */ |
1764 | */ |
944 | # error "memory fences not defined for your architecture, please report" |
1765 | # error "memory fences not defined for your architecture, please report" |
… | |
… | |
948 | # define ECB_MEMORY_FENCE do { } while (0) |
1769 | # define ECB_MEMORY_FENCE do { } while (0) |
949 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1770 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
950 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1771 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
951 | #endif |
1772 | #endif |
952 | |
1773 | |
953 | #define expect_false(cond) ecb_expect_false (cond) |
|
|
954 | #define expect_true(cond) ecb_expect_true (cond) |
|
|
955 | #define noinline ecb_noinline |
|
|
956 | |
|
|
957 | #define inline_size ecb_inline |
1774 | #define inline_size ecb_inline |
958 | |
1775 | |
959 | #if EV_FEATURE_CODE |
1776 | #if EV_FEATURE_CODE |
960 | # define inline_speed ecb_inline |
1777 | # define inline_speed ecb_inline |
961 | #else |
1778 | #else |
962 | # define inline_speed static noinline |
1779 | # define inline_speed ecb_noinline static |
963 | #endif |
1780 | #endif |
|
|
1781 | |
|
|
1782 | /*****************************************************************************/ |
|
|
1783 | /* raw syscall wrappers */ |
|
|
1784 | |
|
|
1785 | #if EV_NEED_SYSCALL |
|
|
1786 | |
|
|
1787 | #include <sys/syscall.h> |
|
|
1788 | |
|
|
1789 | /* |
|
|
1790 | * define some syscall wrappers for common architectures |
|
|
1791 | * this is mostly for nice looks during debugging, not performance. |
|
|
1792 | * our syscalls return < 0, not == -1, on error. which is good |
|
|
1793 | * enough for linux aio. |
|
|
1794 | * TODO: arm is also common nowadays, maybe even mips and x86 |
|
|
1795 | * TODO: after implementing this, it suddenly looks like overkill, but its hard to remove... |
|
|
1796 | */ |
|
|
1797 | #if __GNUC__ && __linux && ECB_AMD64 && !EV_FEATURE_CODE |
|
|
1798 | /* the costly errno access probably kills this for size optimisation */ |
|
|
1799 | |
|
|
1800 | #define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \ |
|
|
1801 | ({ \ |
|
|
1802 | long res; \ |
|
|
1803 | register unsigned long r6 __asm__ ("r9" ); \ |
|
|
1804 | register unsigned long r5 __asm__ ("r8" ); \ |
|
|
1805 | register unsigned long r4 __asm__ ("r10"); \ |
|
|
1806 | register unsigned long r3 __asm__ ("rdx"); \ |
|
|
1807 | register unsigned long r2 __asm__ ("rsi"); \ |
|
|
1808 | register unsigned long r1 __asm__ ("rdi"); \ |
|
|
1809 | if (narg >= 6) r6 = (unsigned long)(arg6); \ |
|
|
1810 | if (narg >= 5) r5 = (unsigned long)(arg5); \ |
|
|
1811 | if (narg >= 4) r4 = (unsigned long)(arg4); \ |
|
|
1812 | if (narg >= 3) r3 = (unsigned long)(arg3); \ |
|
|
1813 | if (narg >= 2) r2 = (unsigned long)(arg2); \ |
|
|
1814 | if (narg >= 1) r1 = (unsigned long)(arg1); \ |
|
|
1815 | __asm__ __volatile__ ( \ |
|
|
1816 | "syscall\n\t" \ |
|
|
1817 | : "=a" (res) \ |
|
|
1818 | : "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \ |
|
|
1819 | : "cc", "r11", "cx", "memory"); \ |
|
|
1820 | errno = -res; \ |
|
|
1821 | res; \ |
|
|
1822 | }) |
|
|
1823 | |
|
|
1824 | #endif |
|
|
1825 | |
|
|
1826 | #ifdef ev_syscall |
|
|
1827 | #define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0, 0) |
|
|
1828 | #define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0, 0) |
|
|
1829 | #define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0, 0) |
|
|
1830 | #define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0, 0) |
|
|
1831 | #define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0, 0) |
|
|
1832 | #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5, 0) |
|
|
1833 | #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) ev_syscall (nr, 6, arg1, arg2, arg3, arg4, arg5,arg6) |
|
|
1834 | #else |
|
|
1835 | #define ev_syscall0(nr) syscall (nr) |
|
|
1836 | #define ev_syscall1(nr,arg1) syscall (nr, arg1) |
|
|
1837 | #define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2) |
|
|
1838 | #define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3) |
|
|
1839 | #define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4) |
|
|
1840 | #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5) |
|
|
1841 | #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) syscall (nr, arg1, arg2, arg3, arg4, arg5,arg6) |
|
|
1842 | #endif |
|
|
1843 | |
|
|
1844 | #endif |
|
|
1845 | |
|
|
1846 | /*****************************************************************************/ |
964 | |
1847 | |
965 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1848 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
966 | |
1849 | |
967 | #if EV_MINPRI == EV_MAXPRI |
1850 | #if EV_MINPRI == EV_MAXPRI |
968 | # define ABSPRI(w) (((W)w), 0) |
1851 | # define ABSPRI(w) (((W)w), 0) |
969 | #else |
1852 | #else |
970 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1853 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
971 | #endif |
1854 | #endif |
972 | |
1855 | |
973 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1856 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
974 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
975 | |
1857 | |
976 | typedef ev_watcher *W; |
1858 | typedef ev_watcher *W; |
977 | typedef ev_watcher_list *WL; |
1859 | typedef ev_watcher_list *WL; |
978 | typedef ev_watcher_time *WT; |
1860 | typedef ev_watcher_time *WT; |
979 | |
1861 | |
… | |
… | |
1004 | # include "ev_win32.c" |
1886 | # include "ev_win32.c" |
1005 | #endif |
1887 | #endif |
1006 | |
1888 | |
1007 | /*****************************************************************************/ |
1889 | /*****************************************************************************/ |
1008 | |
1890 | |
|
|
1891 | #if EV_USE_LINUXAIO |
|
|
1892 | # include <linux/aio_abi.h> /* probably only needed for aio_context_t */ |
|
|
1893 | #endif |
|
|
1894 | |
1009 | /* define a suitable floor function (only used by periodics atm) */ |
1895 | /* define a suitable floor function (only used by periodics atm) */ |
1010 | |
1896 | |
1011 | #if EV_USE_FLOOR |
1897 | #if EV_USE_FLOOR |
1012 | # include <math.h> |
1898 | # include <math.h> |
1013 | # define ev_floor(v) floor (v) |
1899 | # define ev_floor(v) floor (v) |
1014 | #else |
1900 | #else |
1015 | |
1901 | |
1016 | #include <float.h> |
1902 | #include <float.h> |
1017 | |
1903 | |
1018 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1904 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
|
|
1905 | ecb_noinline |
1019 | static ev_tstamp noinline |
1906 | static ev_tstamp |
1020 | ev_floor (ev_tstamp v) |
1907 | ev_floor (ev_tstamp v) |
1021 | { |
1908 | { |
1022 | /* the choice of shift factor is not terribly important */ |
1909 | /* the choice of shift factor is not terribly important */ |
1023 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1910 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1024 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1911 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1025 | #else |
1912 | #else |
1026 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1913 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1027 | #endif |
1914 | #endif |
1028 | |
1915 | |
|
|
1916 | /* special treatment for negative arguments */ |
|
|
1917 | if (ecb_expect_false (v < 0.)) |
|
|
1918 | { |
|
|
1919 | ev_tstamp f = -ev_floor (-v); |
|
|
1920 | |
|
|
1921 | return f - (f == v ? 0 : 1); |
|
|
1922 | } |
|
|
1923 | |
1029 | /* argument too large for an unsigned long? */ |
1924 | /* argument too large for an unsigned long? then reduce it */ |
1030 | if (expect_false (v >= shift)) |
1925 | if (ecb_expect_false (v >= shift)) |
1031 | { |
1926 | { |
1032 | ev_tstamp f; |
1927 | ev_tstamp f; |
1033 | |
1928 | |
1034 | if (v == v - 1.) |
1929 | if (v == v - 1.) |
1035 | return v; /* very large number */ |
1930 | return v; /* very large numbers are assumed to be integer */ |
1036 | |
1931 | |
1037 | f = shift * ev_floor (v * (1. / shift)); |
1932 | f = shift * ev_floor (v * (1. / shift)); |
1038 | return f + ev_floor (v - f); |
1933 | return f + ev_floor (v - f); |
1039 | } |
1934 | } |
1040 | |
1935 | |
1041 | /* special treatment for negative args? */ |
|
|
1042 | if (expect_false (v < 0.)) |
|
|
1043 | { |
|
|
1044 | ev_tstamp f = -ev_floor (-v); |
|
|
1045 | |
|
|
1046 | return f - (f == v ? 0 : 1); |
|
|
1047 | } |
|
|
1048 | |
|
|
1049 | /* fits into an unsigned long */ |
1936 | /* fits into an unsigned long */ |
1050 | return (unsigned long)v; |
1937 | return (unsigned long)v; |
1051 | } |
1938 | } |
1052 | |
1939 | |
1053 | #endif |
1940 | #endif |
… | |
… | |
1056 | |
1943 | |
1057 | #ifdef __linux |
1944 | #ifdef __linux |
1058 | # include <sys/utsname.h> |
1945 | # include <sys/utsname.h> |
1059 | #endif |
1946 | #endif |
1060 | |
1947 | |
1061 | static unsigned int noinline ecb_cold |
1948 | ecb_noinline ecb_cold |
|
|
1949 | static unsigned int |
1062 | ev_linux_version (void) |
1950 | ev_linux_version (void) |
1063 | { |
1951 | { |
1064 | #ifdef __linux |
1952 | #ifdef __linux |
1065 | unsigned int v = 0; |
1953 | unsigned int v = 0; |
1066 | struct utsname buf; |
1954 | struct utsname buf; |
… | |
… | |
1095 | } |
1983 | } |
1096 | |
1984 | |
1097 | /*****************************************************************************/ |
1985 | /*****************************************************************************/ |
1098 | |
1986 | |
1099 | #if EV_AVOID_STDIO |
1987 | #if EV_AVOID_STDIO |
1100 | static void noinline ecb_cold |
1988 | ecb_noinline ecb_cold |
|
|
1989 | static void |
1101 | ev_printerr (const char *msg) |
1990 | ev_printerr (const char *msg) |
1102 | { |
1991 | { |
1103 | write (STDERR_FILENO, msg, strlen (msg)); |
1992 | write (STDERR_FILENO, msg, strlen (msg)); |
1104 | } |
1993 | } |
1105 | #endif |
1994 | #endif |
1106 | |
1995 | |
1107 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1996 | static void (*syserr_cb)(const char *msg) EV_NOEXCEPT; |
1108 | |
1997 | |
1109 | void ecb_cold |
1998 | ecb_cold |
|
|
1999 | void |
1110 | ev_set_syserr_cb (void (*cb)(const char *msg)) EV_THROW |
2000 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1111 | { |
2001 | { |
1112 | syserr_cb = cb; |
2002 | syserr_cb = cb; |
1113 | } |
2003 | } |
1114 | |
2004 | |
1115 | static void noinline ecb_cold |
2005 | ecb_noinline ecb_cold |
|
|
2006 | static void |
1116 | ev_syserr (const char *msg) |
2007 | ev_syserr (const char *msg) |
1117 | { |
2008 | { |
1118 | if (!msg) |
2009 | if (!msg) |
1119 | msg = "(libev) system error"; |
2010 | msg = "(libev) system error"; |
1120 | |
2011 | |
… | |
… | |
1133 | abort (); |
2024 | abort (); |
1134 | } |
2025 | } |
1135 | } |
2026 | } |
1136 | |
2027 | |
1137 | static void * |
2028 | static void * |
1138 | ev_realloc_emul (void *ptr, long size) |
2029 | ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT |
1139 | { |
2030 | { |
1140 | #if __GLIBC__ |
|
|
1141 | return realloc (ptr, size); |
|
|
1142 | #else |
|
|
1143 | /* some systems, notably openbsd and darwin, fail to properly |
2031 | /* some systems, notably openbsd and darwin, fail to properly |
1144 | * implement realloc (x, 0) (as required by both ansi c-89 and |
2032 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1145 | * the single unix specification, so work around them here. |
2033 | * the single unix specification, so work around them here. |
|
|
2034 | * recently, also (at least) fedora and debian started breaking it, |
|
|
2035 | * despite documenting it otherwise. |
1146 | */ |
2036 | */ |
1147 | |
2037 | |
1148 | if (size) |
2038 | if (size) |
1149 | return realloc (ptr, size); |
2039 | return realloc (ptr, size); |
1150 | |
2040 | |
1151 | free (ptr); |
2041 | free (ptr); |
1152 | return 0; |
2042 | return 0; |
1153 | #endif |
|
|
1154 | } |
2043 | } |
1155 | |
2044 | |
1156 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
2045 | static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul; |
1157 | |
2046 | |
1158 | void ecb_cold |
2047 | ecb_cold |
|
|
2048 | void |
1159 | ev_set_allocator (void *(*cb)(void *ptr, long size)) EV_THROW |
2049 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT |
1160 | { |
2050 | { |
1161 | alloc = cb; |
2051 | alloc = cb; |
1162 | } |
2052 | } |
1163 | |
2053 | |
1164 | inline_speed void * |
2054 | inline_speed void * |
… | |
… | |
1191 | typedef struct |
2081 | typedef struct |
1192 | { |
2082 | { |
1193 | WL head; |
2083 | WL head; |
1194 | unsigned char events; /* the events watched for */ |
2084 | unsigned char events; /* the events watched for */ |
1195 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
2085 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1196 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
2086 | unsigned char emask; /* some backends store the actual kernel mask in here */ |
1197 | unsigned char unused; |
2087 | unsigned char eflags; /* flags field for use by backends */ |
1198 | #if EV_USE_EPOLL |
2088 | #if EV_USE_EPOLL |
1199 | unsigned int egen; /* generation counter to counter epoll bugs */ |
2089 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1200 | #endif |
2090 | #endif |
1201 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
2091 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1202 | SOCKET handle; |
2092 | SOCKET handle; |
… | |
… | |
1256 | static struct ev_loop default_loop_struct; |
2146 | static struct ev_loop default_loop_struct; |
1257 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
2147 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
1258 | |
2148 | |
1259 | #else |
2149 | #else |
1260 | |
2150 | |
1261 | EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */ |
2151 | EV_API_DECL ev_tstamp ev_rt_now = EV_TS_CONST (0.); /* needs to be initialised to make it a definition despite extern */ |
1262 | #define VAR(name,decl) static decl; |
2152 | #define VAR(name,decl) static decl; |
1263 | #include "ev_vars.h" |
2153 | #include "ev_vars.h" |
1264 | #undef VAR |
2154 | #undef VAR |
1265 | |
2155 | |
1266 | static int ev_default_loop_ptr; |
2156 | static int ev_default_loop_ptr; |
1267 | |
2157 | |
1268 | #endif |
2158 | #endif |
1269 | |
2159 | |
1270 | #if EV_FEATURE_API |
2160 | #if EV_FEATURE_API |
1271 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
2161 | # define EV_RELEASE_CB if (ecb_expect_false (release_cb)) release_cb (EV_A) |
1272 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
2162 | # define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A) |
1273 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
2163 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
1274 | #else |
2164 | #else |
1275 | # define EV_RELEASE_CB (void)0 |
2165 | # define EV_RELEASE_CB (void)0 |
1276 | # define EV_ACQUIRE_CB (void)0 |
2166 | # define EV_ACQUIRE_CB (void)0 |
1277 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
2167 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
… | |
… | |
1281 | |
2171 | |
1282 | /*****************************************************************************/ |
2172 | /*****************************************************************************/ |
1283 | |
2173 | |
1284 | #ifndef EV_HAVE_EV_TIME |
2174 | #ifndef EV_HAVE_EV_TIME |
1285 | ev_tstamp |
2175 | ev_tstamp |
1286 | ev_time (void) EV_THROW |
2176 | ev_time (void) EV_NOEXCEPT |
1287 | { |
2177 | { |
1288 | #if EV_USE_REALTIME |
2178 | #if EV_USE_REALTIME |
1289 | if (expect_true (have_realtime)) |
2179 | if (ecb_expect_true (have_realtime)) |
1290 | { |
2180 | { |
1291 | struct timespec ts; |
2181 | struct timespec ts; |
1292 | clock_gettime (CLOCK_REALTIME, &ts); |
2182 | clock_gettime (CLOCK_REALTIME, &ts); |
1293 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2183 | return EV_TS_GET (ts); |
1294 | } |
2184 | } |
1295 | #endif |
2185 | #endif |
1296 | |
2186 | |
|
|
2187 | { |
1297 | struct timeval tv; |
2188 | struct timeval tv; |
1298 | gettimeofday (&tv, 0); |
2189 | gettimeofday (&tv, 0); |
1299 | return tv.tv_sec + tv.tv_usec * 1e-6; |
2190 | return EV_TV_GET (tv); |
|
|
2191 | } |
1300 | } |
2192 | } |
1301 | #endif |
2193 | #endif |
1302 | |
2194 | |
1303 | inline_size ev_tstamp |
2195 | inline_size ev_tstamp |
1304 | get_clock (void) |
2196 | get_clock (void) |
1305 | { |
2197 | { |
1306 | #if EV_USE_MONOTONIC |
2198 | #if EV_USE_MONOTONIC |
1307 | if (expect_true (have_monotonic)) |
2199 | if (ecb_expect_true (have_monotonic)) |
1308 | { |
2200 | { |
1309 | struct timespec ts; |
2201 | struct timespec ts; |
1310 | clock_gettime (CLOCK_MONOTONIC, &ts); |
2202 | clock_gettime (CLOCK_MONOTONIC, &ts); |
1311 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2203 | return EV_TS_GET (ts); |
1312 | } |
2204 | } |
1313 | #endif |
2205 | #endif |
1314 | |
2206 | |
1315 | return ev_time (); |
2207 | return ev_time (); |
1316 | } |
2208 | } |
1317 | |
2209 | |
1318 | #if EV_MULTIPLICITY |
2210 | #if EV_MULTIPLICITY |
1319 | ev_tstamp |
2211 | ev_tstamp |
1320 | ev_now (EV_P) EV_THROW |
2212 | ev_now (EV_P) EV_NOEXCEPT |
1321 | { |
2213 | { |
1322 | return ev_rt_now; |
2214 | return ev_rt_now; |
1323 | } |
2215 | } |
1324 | #endif |
2216 | #endif |
1325 | |
2217 | |
1326 | void |
2218 | void |
1327 | ev_sleep (ev_tstamp delay) EV_THROW |
2219 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
1328 | { |
2220 | { |
1329 | if (delay > 0.) |
2221 | if (delay > EV_TS_CONST (0.)) |
1330 | { |
2222 | { |
1331 | #if EV_USE_NANOSLEEP |
2223 | #if EV_USE_NANOSLEEP |
1332 | struct timespec ts; |
2224 | struct timespec ts; |
1333 | |
2225 | |
1334 | EV_TS_SET (ts, delay); |
2226 | EV_TS_SET (ts, delay); |
1335 | nanosleep (&ts, 0); |
2227 | nanosleep (&ts, 0); |
1336 | #elif defined _WIN32 |
2228 | #elif defined _WIN32 |
|
|
2229 | /* maybe this should round up, as ms is very low resolution */ |
|
|
2230 | /* compared to select (µs) or nanosleep (ns) */ |
1337 | Sleep ((unsigned long)(delay * 1e3)); |
2231 | Sleep ((unsigned long)(EV_TS_TO_MSEC (delay))); |
1338 | #else |
2232 | #else |
1339 | struct timeval tv; |
2233 | struct timeval tv; |
1340 | |
2234 | |
1341 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
2235 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1342 | /* something not guaranteed by newer posix versions, but guaranteed */ |
2236 | /* something not guaranteed by newer posix versions, but guaranteed */ |
… | |
… | |
1372 | } |
2266 | } |
1373 | |
2267 | |
1374 | return ncur; |
2268 | return ncur; |
1375 | } |
2269 | } |
1376 | |
2270 | |
1377 | static void * noinline ecb_cold |
2271 | ecb_noinline ecb_cold |
|
|
2272 | static void * |
1378 | array_realloc (int elem, void *base, int *cur, int cnt) |
2273 | array_realloc (int elem, void *base, int *cur, int cnt) |
1379 | { |
2274 | { |
1380 | *cur = array_nextsize (elem, *cur, cnt); |
2275 | *cur = array_nextsize (elem, *cur, cnt); |
1381 | return ev_realloc (base, elem * *cur); |
2276 | return ev_realloc (base, elem * *cur); |
1382 | } |
2277 | } |
1383 | |
2278 | |
|
|
2279 | #define array_needsize_noinit(base,offset,count) |
|
|
2280 | |
1384 | #define array_init_zero(base,count) \ |
2281 | #define array_needsize_zerofill(base,offset,count) \ |
1385 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
2282 | memset ((void *)(base + offset), 0, sizeof (*(base)) * (count)) |
1386 | |
2283 | |
1387 | #define array_needsize(type,base,cur,cnt,init) \ |
2284 | #define array_needsize(type,base,cur,cnt,init) \ |
1388 | if (expect_false ((cnt) > (cur))) \ |
2285 | if (ecb_expect_false ((cnt) > (cur))) \ |
1389 | { \ |
2286 | { \ |
1390 | int ecb_unused ocur_ = (cur); \ |
2287 | ecb_unused int ocur_ = (cur); \ |
1391 | (base) = (type *)array_realloc \ |
2288 | (base) = (type *)array_realloc \ |
1392 | (sizeof (type), (base), &(cur), (cnt)); \ |
2289 | (sizeof (type), (base), &(cur), (cnt)); \ |
1393 | init ((base) + (ocur_), (cur) - ocur_); \ |
2290 | init ((base), ocur_, ((cur) - ocur_)); \ |
1394 | } |
2291 | } |
1395 | |
2292 | |
1396 | #if 0 |
2293 | #if 0 |
1397 | #define array_slim(type,stem) \ |
2294 | #define array_slim(type,stem) \ |
1398 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
2295 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
… | |
… | |
1407 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
2304 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1408 | |
2305 | |
1409 | /*****************************************************************************/ |
2306 | /*****************************************************************************/ |
1410 | |
2307 | |
1411 | /* dummy callback for pending events */ |
2308 | /* dummy callback for pending events */ |
1412 | static void noinline |
2309 | ecb_noinline |
|
|
2310 | static void |
1413 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2311 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1414 | { |
2312 | { |
1415 | } |
2313 | } |
1416 | |
2314 | |
1417 | void noinline |
2315 | ecb_noinline |
|
|
2316 | void |
1418 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
2317 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
1419 | { |
2318 | { |
1420 | W w_ = (W)w; |
2319 | W w_ = (W)w; |
1421 | int pri = ABSPRI (w_); |
2320 | int pri = ABSPRI (w_); |
1422 | |
2321 | |
1423 | if (expect_false (w_->pending)) |
2322 | if (ecb_expect_false (w_->pending)) |
1424 | pendings [pri][w_->pending - 1].events |= revents; |
2323 | pendings [pri][w_->pending - 1].events |= revents; |
1425 | else |
2324 | else |
1426 | { |
2325 | { |
1427 | w_->pending = ++pendingcnt [pri]; |
2326 | w_->pending = ++pendingcnt [pri]; |
1428 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
2327 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); |
1429 | pendings [pri][w_->pending - 1].w = w_; |
2328 | pendings [pri][w_->pending - 1].w = w_; |
1430 | pendings [pri][w_->pending - 1].events = revents; |
2329 | pendings [pri][w_->pending - 1].events = revents; |
1431 | } |
2330 | } |
1432 | |
2331 | |
1433 | pendingpri = NUMPRI - 1; |
2332 | pendingpri = NUMPRI - 1; |
1434 | } |
2333 | } |
1435 | |
2334 | |
1436 | inline_speed void |
2335 | inline_speed void |
1437 | feed_reverse (EV_P_ W w) |
2336 | feed_reverse (EV_P_ W w) |
1438 | { |
2337 | { |
1439 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
2338 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit); |
1440 | rfeeds [rfeedcnt++] = w; |
2339 | rfeeds [rfeedcnt++] = w; |
1441 | } |
2340 | } |
1442 | |
2341 | |
1443 | inline_size void |
2342 | inline_size void |
1444 | feed_reverse_done (EV_P_ int revents) |
2343 | feed_reverse_done (EV_P_ int revents) |
… | |
… | |
1479 | inline_speed void |
2378 | inline_speed void |
1480 | fd_event (EV_P_ int fd, int revents) |
2379 | fd_event (EV_P_ int fd, int revents) |
1481 | { |
2380 | { |
1482 | ANFD *anfd = anfds + fd; |
2381 | ANFD *anfd = anfds + fd; |
1483 | |
2382 | |
1484 | if (expect_true (!anfd->reify)) |
2383 | if (ecb_expect_true (!anfd->reify)) |
1485 | fd_event_nocheck (EV_A_ fd, revents); |
2384 | fd_event_nocheck (EV_A_ fd, revents); |
1486 | } |
2385 | } |
1487 | |
2386 | |
1488 | void |
2387 | void |
1489 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
2388 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
1490 | { |
2389 | { |
1491 | if (fd >= 0 && fd < anfdmax) |
2390 | if (fd >= 0 && fd < anfdmax) |
1492 | fd_event_nocheck (EV_A_ fd, revents); |
2391 | fd_event_nocheck (EV_A_ fd, revents); |
1493 | } |
2392 | } |
1494 | |
2393 | |
… | |
… | |
1497 | inline_size void |
2396 | inline_size void |
1498 | fd_reify (EV_P) |
2397 | fd_reify (EV_P) |
1499 | { |
2398 | { |
1500 | int i; |
2399 | int i; |
1501 | |
2400 | |
|
|
2401 | /* most backends do not modify the fdchanges list in backend_modfiy. |
|
|
2402 | * except io_uring, which has fixed-size buffers which might force us |
|
|
2403 | * to handle events in backend_modify, causing fdchanges to be amended, |
|
|
2404 | * which could result in an endless loop. |
|
|
2405 | * to avoid this, we do not dynamically handle fds that were added |
|
|
2406 | * during fd_reify. that means that for those backends, fdchangecnt |
|
|
2407 | * might be non-zero during poll, which must cause them to not block. |
|
|
2408 | * to not put too much of a burden on other backends, this detail |
|
|
2409 | * needs to be handled in the backend. |
|
|
2410 | */ |
|
|
2411 | int changecnt = fdchangecnt; |
|
|
2412 | |
1502 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
2413 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1503 | for (i = 0; i < fdchangecnt; ++i) |
2414 | for (i = 0; i < changecnt; ++i) |
1504 | { |
2415 | { |
1505 | int fd = fdchanges [i]; |
2416 | int fd = fdchanges [i]; |
1506 | ANFD *anfd = anfds + fd; |
2417 | ANFD *anfd = anfds + fd; |
1507 | |
2418 | |
1508 | if (anfd->reify & EV__IOFDSET && anfd->head) |
2419 | if (anfd->reify & EV__IOFDSET && anfd->head) |
… | |
… | |
1522 | } |
2433 | } |
1523 | } |
2434 | } |
1524 | } |
2435 | } |
1525 | #endif |
2436 | #endif |
1526 | |
2437 | |
1527 | for (i = 0; i < fdchangecnt; ++i) |
2438 | for (i = 0; i < changecnt; ++i) |
1528 | { |
2439 | { |
1529 | int fd = fdchanges [i]; |
2440 | int fd = fdchanges [i]; |
1530 | ANFD *anfd = anfds + fd; |
2441 | ANFD *anfd = anfds + fd; |
1531 | ev_io *w; |
2442 | ev_io *w; |
1532 | |
2443 | |
1533 | unsigned char o_events = anfd->events; |
2444 | unsigned char o_events = anfd->events; |
1534 | unsigned char o_reify = anfd->reify; |
2445 | unsigned char o_reify = anfd->reify; |
1535 | |
2446 | |
1536 | anfd->reify = 0; |
2447 | anfd->reify = 0; |
1537 | |
2448 | |
1538 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2449 | /*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
1539 | { |
2450 | { |
1540 | anfd->events = 0; |
2451 | anfd->events = 0; |
1541 | |
2452 | |
1542 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2453 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
1543 | anfd->events |= (unsigned char)w->events; |
2454 | anfd->events |= (unsigned char)w->events; |
… | |
… | |
1548 | |
2459 | |
1549 | if (o_reify & EV__IOFDSET) |
2460 | if (o_reify & EV__IOFDSET) |
1550 | backend_modify (EV_A_ fd, o_events, anfd->events); |
2461 | backend_modify (EV_A_ fd, o_events, anfd->events); |
1551 | } |
2462 | } |
1552 | |
2463 | |
|
|
2464 | /* normally, fdchangecnt hasn't changed. if it has, then new fds have been added. |
|
|
2465 | * this is a rare case (see beginning comment in this function), so we copy them to the |
|
|
2466 | * front and hope the backend handles this case. |
|
|
2467 | */ |
|
|
2468 | if (ecb_expect_false (fdchangecnt != changecnt)) |
|
|
2469 | memmove (fdchanges, fdchanges + changecnt, (fdchangecnt - changecnt) * sizeof (*fdchanges)); |
|
|
2470 | |
1553 | fdchangecnt = 0; |
2471 | fdchangecnt -= changecnt; |
1554 | } |
2472 | } |
1555 | |
2473 | |
1556 | /* something about the given fd changed */ |
2474 | /* something about the given fd changed */ |
1557 | inline_size void |
2475 | inline_size |
|
|
2476 | void |
1558 | fd_change (EV_P_ int fd, int flags) |
2477 | fd_change (EV_P_ int fd, int flags) |
1559 | { |
2478 | { |
1560 | unsigned char reify = anfds [fd].reify; |
2479 | unsigned char reify = anfds [fd].reify; |
1561 | anfds [fd].reify |= flags; |
2480 | anfds [fd].reify = reify | flags; |
1562 | |
2481 | |
1563 | if (expect_true (!reify)) |
2482 | if (ecb_expect_true (!reify)) |
1564 | { |
2483 | { |
1565 | ++fdchangecnt; |
2484 | ++fdchangecnt; |
1566 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
2485 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
1567 | fdchanges [fdchangecnt - 1] = fd; |
2486 | fdchanges [fdchangecnt - 1] = fd; |
1568 | } |
2487 | } |
1569 | } |
2488 | } |
1570 | |
2489 | |
1571 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
2490 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
1572 | inline_speed void ecb_cold |
2491 | inline_speed ecb_cold void |
1573 | fd_kill (EV_P_ int fd) |
2492 | fd_kill (EV_P_ int fd) |
1574 | { |
2493 | { |
1575 | ev_io *w; |
2494 | ev_io *w; |
1576 | |
2495 | |
1577 | while ((w = (ev_io *)anfds [fd].head)) |
2496 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
1580 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
2499 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1581 | } |
2500 | } |
1582 | } |
2501 | } |
1583 | |
2502 | |
1584 | /* check whether the given fd is actually valid, for error recovery */ |
2503 | /* check whether the given fd is actually valid, for error recovery */ |
1585 | inline_size int ecb_cold |
2504 | inline_size ecb_cold int |
1586 | fd_valid (int fd) |
2505 | fd_valid (int fd) |
1587 | { |
2506 | { |
1588 | #ifdef _WIN32 |
2507 | #ifdef _WIN32 |
1589 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
2508 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1590 | #else |
2509 | #else |
1591 | return fcntl (fd, F_GETFD) != -1; |
2510 | return fcntl (fd, F_GETFD) != -1; |
1592 | #endif |
2511 | #endif |
1593 | } |
2512 | } |
1594 | |
2513 | |
1595 | /* called on EBADF to verify fds */ |
2514 | /* called on EBADF to verify fds */ |
1596 | static void noinline ecb_cold |
2515 | ecb_noinline ecb_cold |
|
|
2516 | static void |
1597 | fd_ebadf (EV_P) |
2517 | fd_ebadf (EV_P) |
1598 | { |
2518 | { |
1599 | int fd; |
2519 | int fd; |
1600 | |
2520 | |
1601 | for (fd = 0; fd < anfdmax; ++fd) |
2521 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
1603 | if (!fd_valid (fd) && errno == EBADF) |
2523 | if (!fd_valid (fd) && errno == EBADF) |
1604 | fd_kill (EV_A_ fd); |
2524 | fd_kill (EV_A_ fd); |
1605 | } |
2525 | } |
1606 | |
2526 | |
1607 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2527 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1608 | static void noinline ecb_cold |
2528 | ecb_noinline ecb_cold |
|
|
2529 | static void |
1609 | fd_enomem (EV_P) |
2530 | fd_enomem (EV_P) |
1610 | { |
2531 | { |
1611 | int fd; |
2532 | int fd; |
1612 | |
2533 | |
1613 | for (fd = anfdmax; fd--; ) |
2534 | for (fd = anfdmax; fd--; ) |
… | |
… | |
1617 | break; |
2538 | break; |
1618 | } |
2539 | } |
1619 | } |
2540 | } |
1620 | |
2541 | |
1621 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2542 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
1622 | static void noinline |
2543 | ecb_noinline |
|
|
2544 | static void |
1623 | fd_rearm_all (EV_P) |
2545 | fd_rearm_all (EV_P) |
1624 | { |
2546 | { |
1625 | int fd; |
2547 | int fd; |
1626 | |
2548 | |
1627 | for (fd = 0; fd < anfdmax; ++fd) |
2549 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
1680 | ev_tstamp minat; |
2602 | ev_tstamp minat; |
1681 | ANHE *minpos; |
2603 | ANHE *minpos; |
1682 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2604 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
1683 | |
2605 | |
1684 | /* find minimum child */ |
2606 | /* find minimum child */ |
1685 | if (expect_true (pos + DHEAP - 1 < E)) |
2607 | if (ecb_expect_true (pos + DHEAP - 1 < E)) |
1686 | { |
2608 | { |
1687 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2609 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
1688 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2610 | if ( minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
1689 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2611 | if ( minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
1690 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2612 | if ( minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
1691 | } |
2613 | } |
1692 | else if (pos < E) |
2614 | else if (pos < E) |
1693 | { |
2615 | { |
1694 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2616 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
1695 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2617 | if (pos + 1 < E && minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
1696 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2618 | if (pos + 2 < E && minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
1697 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2619 | if (pos + 3 < E && minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
1698 | } |
2620 | } |
1699 | else |
2621 | else |
1700 | break; |
2622 | break; |
1701 | |
2623 | |
1702 | if (ANHE_at (he) <= minat) |
2624 | if (ANHE_at (he) <= minat) |
… | |
… | |
1710 | |
2632 | |
1711 | heap [k] = he; |
2633 | heap [k] = he; |
1712 | ev_active (ANHE_w (he)) = k; |
2634 | ev_active (ANHE_w (he)) = k; |
1713 | } |
2635 | } |
1714 | |
2636 | |
1715 | #else /* 4HEAP */ |
2637 | #else /* not 4HEAP */ |
1716 | |
2638 | |
1717 | #define HEAP0 1 |
2639 | #define HEAP0 1 |
1718 | #define HPARENT(k) ((k) >> 1) |
2640 | #define HPARENT(k) ((k) >> 1) |
1719 | #define UPHEAP_DONE(p,k) (!(p)) |
2641 | #define UPHEAP_DONE(p,k) (!(p)) |
1720 | |
2642 | |
… | |
… | |
1792 | upheap (heap, i + HEAP0); |
2714 | upheap (heap, i + HEAP0); |
1793 | } |
2715 | } |
1794 | |
2716 | |
1795 | /*****************************************************************************/ |
2717 | /*****************************************************************************/ |
1796 | |
2718 | |
1797 | /* associate signal watchers to a signal signal */ |
2719 | /* associate signal watchers to a signal */ |
1798 | typedef struct |
2720 | typedef struct |
1799 | { |
2721 | { |
1800 | EV_ATOMIC_T pending; |
2722 | EV_ATOMIC_T pending; |
1801 | #if EV_MULTIPLICITY |
2723 | #if EV_MULTIPLICITY |
1802 | EV_P; |
2724 | EV_P; |
… | |
… | |
1808 | |
2730 | |
1809 | /*****************************************************************************/ |
2731 | /*****************************************************************************/ |
1810 | |
2732 | |
1811 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2733 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1812 | |
2734 | |
1813 | static void noinline ecb_cold |
2735 | ecb_noinline ecb_cold |
|
|
2736 | static void |
1814 | evpipe_init (EV_P) |
2737 | evpipe_init (EV_P) |
1815 | { |
2738 | { |
1816 | if (!ev_is_active (&pipe_w)) |
2739 | if (!ev_is_active (&pipe_w)) |
1817 | { |
2740 | { |
|
|
2741 | int fds [2]; |
|
|
2742 | |
1818 | # if EV_USE_EVENTFD |
2743 | # if EV_USE_EVENTFD |
|
|
2744 | fds [0] = -1; |
1819 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
2745 | fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1820 | if (evfd < 0 && errno == EINVAL) |
2746 | if (fds [1] < 0 && errno == EINVAL) |
1821 | evfd = eventfd (0, 0); |
2747 | fds [1] = eventfd (0, 0); |
1822 | |
2748 | |
1823 | if (evfd >= 0) |
2749 | if (fds [1] < 0) |
1824 | { |
|
|
1825 | evpipe [0] = -1; |
|
|
1826 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
|
|
1827 | ev_io_set (&pipe_w, evfd, EV_READ); |
|
|
1828 | } |
|
|
1829 | else |
|
|
1830 | # endif |
2750 | # endif |
1831 | { |
2751 | { |
1832 | while (pipe (evpipe)) |
2752 | while (pipe (fds)) |
1833 | ev_syserr ("(libev) error creating signal/async pipe"); |
2753 | ev_syserr ("(libev) error creating signal/async pipe"); |
1834 | |
2754 | |
1835 | fd_intern (evpipe [0]); |
2755 | fd_intern (fds [0]); |
1836 | fd_intern (evpipe [1]); |
|
|
1837 | ev_io_set (&pipe_w, evpipe [0], EV_READ); |
|
|
1838 | } |
2756 | } |
1839 | |
2757 | |
|
|
2758 | evpipe [0] = fds [0]; |
|
|
2759 | |
|
|
2760 | if (evpipe [1] < 0) |
|
|
2761 | evpipe [1] = fds [1]; /* first call, set write fd */ |
|
|
2762 | else |
|
|
2763 | { |
|
|
2764 | /* on subsequent calls, do not change evpipe [1] */ |
|
|
2765 | /* so that evpipe_write can always rely on its value. */ |
|
|
2766 | /* this branch does not do anything sensible on windows, */ |
|
|
2767 | /* so must not be executed on windows */ |
|
|
2768 | |
|
|
2769 | dup2 (fds [1], evpipe [1]); |
|
|
2770 | close (fds [1]); |
|
|
2771 | } |
|
|
2772 | |
|
|
2773 | fd_intern (evpipe [1]); |
|
|
2774 | |
|
|
2775 | ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ); |
1840 | ev_io_start (EV_A_ &pipe_w); |
2776 | ev_io_start (EV_A_ &pipe_w); |
1841 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
2777 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1842 | } |
2778 | } |
1843 | } |
2779 | } |
1844 | |
2780 | |
1845 | inline_speed void |
2781 | inline_speed void |
1846 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2782 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1847 | { |
2783 | { |
1848 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2784 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
1849 | |
2785 | |
1850 | if (expect_true (*flag)) |
2786 | if (ecb_expect_true (*flag)) |
1851 | return; |
2787 | return; |
1852 | |
2788 | |
1853 | *flag = 1; |
2789 | *flag = 1; |
1854 | |
|
|
1855 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2790 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
1856 | |
2791 | |
1857 | pipe_write_skipped = 1; |
2792 | pipe_write_skipped = 1; |
1858 | |
2793 | |
1859 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
2794 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
1860 | |
2795 | |
1861 | if (pipe_write_wanted) |
2796 | if (pipe_write_wanted) |
1862 | { |
2797 | { |
1863 | int old_errno; |
2798 | int old_errno; |
1864 | |
2799 | |
1865 | pipe_write_skipped = 0; /* just an optimisation, no fence needed */ |
2800 | pipe_write_skipped = 0; |
|
|
2801 | ECB_MEMORY_FENCE_RELEASE; |
1866 | |
2802 | |
1867 | old_errno = errno; /* save errno because write will clobber it */ |
2803 | old_errno = errno; /* save errno because write will clobber it */ |
1868 | |
2804 | |
1869 | #if EV_USE_EVENTFD |
2805 | #if EV_USE_EVENTFD |
1870 | if (evfd >= 0) |
2806 | if (evpipe [0] < 0) |
1871 | { |
2807 | { |
1872 | uint64_t counter = 1; |
2808 | uint64_t counter = 1; |
1873 | write (evfd, &counter, sizeof (uint64_t)); |
2809 | write (evpipe [1], &counter, sizeof (uint64_t)); |
1874 | } |
2810 | } |
1875 | else |
2811 | else |
1876 | #endif |
2812 | #endif |
1877 | { |
2813 | { |
1878 | #ifdef _WIN32 |
2814 | #ifdef _WIN32 |
1879 | WSABUF buf; |
2815 | WSABUF buf; |
1880 | DWORD sent; |
2816 | DWORD sent; |
1881 | buf.buf = &buf; |
2817 | buf.buf = (char *)&buf; |
1882 | buf.len = 1; |
2818 | buf.len = 1; |
1883 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
2819 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
1884 | #else |
2820 | #else |
1885 | write (evpipe [1], &(evpipe [1]), 1); |
2821 | write (evpipe [1], &(evpipe [1]), 1); |
1886 | #endif |
2822 | #endif |
… | |
… | |
1898 | int i; |
2834 | int i; |
1899 | |
2835 | |
1900 | if (revents & EV_READ) |
2836 | if (revents & EV_READ) |
1901 | { |
2837 | { |
1902 | #if EV_USE_EVENTFD |
2838 | #if EV_USE_EVENTFD |
1903 | if (evfd >= 0) |
2839 | if (evpipe [0] < 0) |
1904 | { |
2840 | { |
1905 | uint64_t counter; |
2841 | uint64_t counter; |
1906 | read (evfd, &counter, sizeof (uint64_t)); |
2842 | read (evpipe [1], &counter, sizeof (uint64_t)); |
1907 | } |
2843 | } |
1908 | else |
2844 | else |
1909 | #endif |
2845 | #endif |
1910 | { |
2846 | { |
1911 | char dummy[4]; |
2847 | char dummy[4]; |
1912 | #ifdef _WIN32 |
2848 | #ifdef _WIN32 |
1913 | WSABUF buf; |
2849 | WSABUF buf; |
1914 | DWORD recvd; |
2850 | DWORD recvd; |
|
|
2851 | DWORD flags = 0; |
1915 | buf.buf = dummy; |
2852 | buf.buf = dummy; |
1916 | buf.len = sizeof (dummy); |
2853 | buf.len = sizeof (dummy); |
1917 | WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, 0, 0, 0); |
2854 | WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0); |
1918 | #else |
2855 | #else |
1919 | read (evpipe [0], &dummy, sizeof (dummy)); |
2856 | read (evpipe [0], &dummy, sizeof (dummy)); |
1920 | #endif |
2857 | #endif |
1921 | } |
2858 | } |
1922 | } |
2859 | } |
… | |
… | |
1928 | #if EV_SIGNAL_ENABLE |
2865 | #if EV_SIGNAL_ENABLE |
1929 | if (sig_pending) |
2866 | if (sig_pending) |
1930 | { |
2867 | { |
1931 | sig_pending = 0; |
2868 | sig_pending = 0; |
1932 | |
2869 | |
1933 | ECB_MEMORY_FENCE_RELEASE; |
2870 | ECB_MEMORY_FENCE; |
1934 | |
2871 | |
1935 | for (i = EV_NSIG - 1; i--; ) |
2872 | for (i = EV_NSIG - 1; i--; ) |
1936 | if (expect_false (signals [i].pending)) |
2873 | if (ecb_expect_false (signals [i].pending)) |
1937 | ev_feed_signal_event (EV_A_ i + 1); |
2874 | ev_feed_signal_event (EV_A_ i + 1); |
1938 | } |
2875 | } |
1939 | #endif |
2876 | #endif |
1940 | |
2877 | |
1941 | #if EV_ASYNC_ENABLE |
2878 | #if EV_ASYNC_ENABLE |
1942 | if (async_pending) |
2879 | if (async_pending) |
1943 | { |
2880 | { |
1944 | async_pending = 0; |
2881 | async_pending = 0; |
1945 | |
2882 | |
1946 | ECB_MEMORY_FENCE_RELEASE; |
2883 | ECB_MEMORY_FENCE; |
1947 | |
2884 | |
1948 | for (i = asynccnt; i--; ) |
2885 | for (i = asynccnt; i--; ) |
1949 | if (asyncs [i]->sent) |
2886 | if (asyncs [i]->sent) |
1950 | { |
2887 | { |
1951 | asyncs [i]->sent = 0; |
2888 | asyncs [i]->sent = 0; |
|
|
2889 | ECB_MEMORY_FENCE_RELEASE; |
1952 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
2890 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
1953 | } |
2891 | } |
1954 | } |
2892 | } |
1955 | #endif |
2893 | #endif |
1956 | } |
2894 | } |
1957 | |
2895 | |
1958 | /*****************************************************************************/ |
2896 | /*****************************************************************************/ |
1959 | |
2897 | |
1960 | void |
2898 | void |
1961 | ev_feed_signal (int signum) EV_THROW |
2899 | ev_feed_signal (int signum) EV_NOEXCEPT |
1962 | { |
2900 | { |
1963 | #if EV_MULTIPLICITY |
2901 | #if EV_MULTIPLICITY |
|
|
2902 | EV_P; |
|
|
2903 | ECB_MEMORY_FENCE_ACQUIRE; |
1964 | EV_P = signals [signum - 1].loop; |
2904 | EV_A = signals [signum - 1].loop; |
1965 | |
2905 | |
1966 | if (!EV_A) |
2906 | if (!EV_A) |
1967 | return; |
2907 | return; |
1968 | #endif |
2908 | #endif |
1969 | |
2909 | |
1970 | if (!ev_active (&pipe_w)) |
|
|
1971 | return; |
|
|
1972 | |
|
|
1973 | signals [signum - 1].pending = 1; |
2910 | signals [signum - 1].pending = 1; |
1974 | evpipe_write (EV_A_ &sig_pending); |
2911 | evpipe_write (EV_A_ &sig_pending); |
1975 | } |
2912 | } |
1976 | |
2913 | |
1977 | static void |
2914 | static void |
… | |
… | |
1982 | #endif |
2919 | #endif |
1983 | |
2920 | |
1984 | ev_feed_signal (signum); |
2921 | ev_feed_signal (signum); |
1985 | } |
2922 | } |
1986 | |
2923 | |
1987 | void noinline |
2924 | ecb_noinline |
|
|
2925 | void |
1988 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
2926 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
1989 | { |
2927 | { |
1990 | WL w; |
2928 | WL w; |
1991 | |
2929 | |
1992 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
2930 | if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG)) |
1993 | return; |
2931 | return; |
1994 | |
2932 | |
1995 | --signum; |
2933 | --signum; |
1996 | |
2934 | |
1997 | #if EV_MULTIPLICITY |
2935 | #if EV_MULTIPLICITY |
1998 | /* it is permissible to try to feed a signal to the wrong loop */ |
2936 | /* it is permissible to try to feed a signal to the wrong loop */ |
1999 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2937 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2000 | |
2938 | |
2001 | if (expect_false (signals [signum].loop != EV_A)) |
2939 | if (ecb_expect_false (signals [signum].loop != EV_A)) |
2002 | return; |
2940 | return; |
2003 | #endif |
2941 | #endif |
2004 | |
2942 | |
2005 | signals [signum].pending = 0; |
2943 | signals [signum].pending = 0; |
|
|
2944 | ECB_MEMORY_FENCE_RELEASE; |
2006 | |
2945 | |
2007 | for (w = signals [signum].head; w; w = w->next) |
2946 | for (w = signals [signum].head; w; w = w->next) |
2008 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
2947 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
2009 | } |
2948 | } |
2010 | |
2949 | |
… | |
… | |
2089 | |
3028 | |
2090 | #endif |
3029 | #endif |
2091 | |
3030 | |
2092 | /*****************************************************************************/ |
3031 | /*****************************************************************************/ |
2093 | |
3032 | |
|
|
3033 | #if EV_USE_TIMERFD |
|
|
3034 | |
|
|
3035 | static void periodics_reschedule (EV_P); |
|
|
3036 | |
|
|
3037 | static void |
|
|
3038 | timerfdcb (EV_P_ ev_io *iow, int revents) |
|
|
3039 | { |
|
|
3040 | struct itimerspec its = { 0 }; |
|
|
3041 | |
|
|
3042 | its.it_value.tv_sec = ev_rt_now + (int)MAX_BLOCKTIME2; |
|
|
3043 | timerfd_settime (timerfd, TFD_TIMER_ABSTIME | TFD_TIMER_CANCEL_ON_SET, &its, 0); |
|
|
3044 | |
|
|
3045 | ev_rt_now = ev_time (); |
|
|
3046 | /* periodics_reschedule only needs ev_rt_now */ |
|
|
3047 | /* but maybe in the future we want the full treatment. */ |
|
|
3048 | /* |
|
|
3049 | now_floor = EV_TS_CONST (0.); |
|
|
3050 | time_update (EV_A_ EV_TSTAMP_HUGE); |
|
|
3051 | */ |
|
|
3052 | #if EV_PERIODIC_ENABLE |
|
|
3053 | periodics_reschedule (EV_A); |
|
|
3054 | #endif |
|
|
3055 | } |
|
|
3056 | |
|
|
3057 | ecb_noinline ecb_cold |
|
|
3058 | static void |
|
|
3059 | evtimerfd_init (EV_P) |
|
|
3060 | { |
|
|
3061 | if (!ev_is_active (&timerfd_w)) |
|
|
3062 | { |
|
|
3063 | timerfd = timerfd_create (CLOCK_REALTIME, TFD_NONBLOCK | TFD_CLOEXEC); |
|
|
3064 | |
|
|
3065 | if (timerfd >= 0) |
|
|
3066 | { |
|
|
3067 | fd_intern (timerfd); /* just to be sure */ |
|
|
3068 | |
|
|
3069 | ev_io_init (&timerfd_w, timerfdcb, timerfd, EV_READ); |
|
|
3070 | ev_set_priority (&timerfd_w, EV_MINPRI); |
|
|
3071 | ev_io_start (EV_A_ &timerfd_w); |
|
|
3072 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
3073 | |
|
|
3074 | /* (re-) arm timer */ |
|
|
3075 | timerfdcb (EV_A_ 0, 0); |
|
|
3076 | } |
|
|
3077 | } |
|
|
3078 | } |
|
|
3079 | |
|
|
3080 | #endif |
|
|
3081 | |
|
|
3082 | /*****************************************************************************/ |
|
|
3083 | |
2094 | #if EV_USE_IOCP |
3084 | #if EV_USE_IOCP |
2095 | # include "ev_iocp.c" |
3085 | # include "ev_iocp.c" |
2096 | #endif |
3086 | #endif |
2097 | #if EV_USE_PORT |
3087 | #if EV_USE_PORT |
2098 | # include "ev_port.c" |
3088 | # include "ev_port.c" |
… | |
… | |
2101 | # include "ev_kqueue.c" |
3091 | # include "ev_kqueue.c" |
2102 | #endif |
3092 | #endif |
2103 | #if EV_USE_EPOLL |
3093 | #if EV_USE_EPOLL |
2104 | # include "ev_epoll.c" |
3094 | # include "ev_epoll.c" |
2105 | #endif |
3095 | #endif |
|
|
3096 | #if EV_USE_LINUXAIO |
|
|
3097 | # include "ev_linuxaio.c" |
|
|
3098 | #endif |
|
|
3099 | #if EV_USE_IOURING |
|
|
3100 | # include "ev_iouring.c" |
|
|
3101 | #endif |
2106 | #if EV_USE_POLL |
3102 | #if EV_USE_POLL |
2107 | # include "ev_poll.c" |
3103 | # include "ev_poll.c" |
2108 | #endif |
3104 | #endif |
2109 | #if EV_USE_SELECT |
3105 | #if EV_USE_SELECT |
2110 | # include "ev_select.c" |
3106 | # include "ev_select.c" |
2111 | #endif |
3107 | #endif |
2112 | |
3108 | |
2113 | int ecb_cold |
3109 | ecb_cold int |
2114 | ev_version_major (void) EV_THROW |
3110 | ev_version_major (void) EV_NOEXCEPT |
2115 | { |
3111 | { |
2116 | return EV_VERSION_MAJOR; |
3112 | return EV_VERSION_MAJOR; |
2117 | } |
3113 | } |
2118 | |
3114 | |
2119 | int ecb_cold |
3115 | ecb_cold int |
2120 | ev_version_minor (void) EV_THROW |
3116 | ev_version_minor (void) EV_NOEXCEPT |
2121 | { |
3117 | { |
2122 | return EV_VERSION_MINOR; |
3118 | return EV_VERSION_MINOR; |
2123 | } |
3119 | } |
2124 | |
3120 | |
2125 | /* return true if we are running with elevated privileges and should ignore env variables */ |
3121 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2126 | int inline_size ecb_cold |
3122 | inline_size ecb_cold int |
2127 | enable_secure (void) |
3123 | enable_secure (void) |
2128 | { |
3124 | { |
2129 | #ifdef _WIN32 |
3125 | #ifdef _WIN32 |
2130 | return 0; |
3126 | return 0; |
2131 | #else |
3127 | #else |
2132 | return getuid () != geteuid () |
3128 | return getuid () != geteuid () |
2133 | || getgid () != getegid (); |
3129 | || getgid () != getegid (); |
2134 | #endif |
3130 | #endif |
2135 | } |
3131 | } |
2136 | |
3132 | |
2137 | unsigned int ecb_cold |
3133 | ecb_cold |
|
|
3134 | unsigned int |
2138 | ev_supported_backends (void) EV_THROW |
3135 | ev_supported_backends (void) EV_NOEXCEPT |
2139 | { |
3136 | { |
2140 | unsigned int flags = 0; |
3137 | unsigned int flags = 0; |
2141 | |
3138 | |
2142 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
3139 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2143 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
3140 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
2144 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
3141 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
2145 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
3142 | if (EV_USE_LINUXAIO ) flags |= EVBACKEND_LINUXAIO; |
2146 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
3143 | if (EV_USE_IOURING && ev_linux_version () >= 0x050601) flags |= EVBACKEND_IOURING; /* 5.6.1+ */ |
2147 | |
3144 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
3145 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
|
|
3146 | |
2148 | return flags; |
3147 | return flags; |
2149 | } |
3148 | } |
2150 | |
3149 | |
2151 | unsigned int ecb_cold |
3150 | ecb_cold |
|
|
3151 | unsigned int |
2152 | ev_recommended_backends (void) EV_THROW |
3152 | ev_recommended_backends (void) EV_NOEXCEPT |
2153 | { |
3153 | { |
2154 | unsigned int flags = ev_supported_backends (); |
3154 | unsigned int flags = ev_supported_backends (); |
2155 | |
3155 | |
2156 | #ifndef __NetBSD__ |
3156 | #ifndef __NetBSD__ |
2157 | /* kqueue is borked on everything but netbsd apparently */ |
3157 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
2165 | #endif |
3165 | #endif |
2166 | #ifdef __FreeBSD__ |
3166 | #ifdef __FreeBSD__ |
2167 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
3167 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2168 | #endif |
3168 | #endif |
2169 | |
3169 | |
|
|
3170 | /* TODO: linuxaio is very experimental */ |
|
|
3171 | #if !EV_RECOMMEND_LINUXAIO |
|
|
3172 | flags &= ~EVBACKEND_LINUXAIO; |
|
|
3173 | #endif |
|
|
3174 | /* TODO: iouring is super experimental */ |
|
|
3175 | #if !EV_RECOMMEND_IOURING |
|
|
3176 | flags &= ~EVBACKEND_IOURING; |
|
|
3177 | #endif |
|
|
3178 | |
2170 | return flags; |
3179 | return flags; |
2171 | } |
3180 | } |
2172 | |
3181 | |
2173 | unsigned int ecb_cold |
3182 | ecb_cold |
|
|
3183 | unsigned int |
2174 | ev_embeddable_backends (void) EV_THROW |
3184 | ev_embeddable_backends (void) EV_NOEXCEPT |
2175 | { |
3185 | { |
2176 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
3186 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT | EVBACKEND_IOURING; |
2177 | |
3187 | |
2178 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
3188 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2179 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
3189 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2180 | flags &= ~EVBACKEND_EPOLL; |
3190 | flags &= ~EVBACKEND_EPOLL; |
2181 | |
3191 | |
|
|
3192 | /* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */ |
|
|
3193 | |
2182 | return flags; |
3194 | return flags; |
2183 | } |
3195 | } |
2184 | |
3196 | |
2185 | unsigned int |
3197 | unsigned int |
2186 | ev_backend (EV_P) EV_THROW |
3198 | ev_backend (EV_P) EV_NOEXCEPT |
2187 | { |
3199 | { |
2188 | return backend; |
3200 | return backend; |
2189 | } |
3201 | } |
2190 | |
3202 | |
2191 | #if EV_FEATURE_API |
3203 | #if EV_FEATURE_API |
2192 | unsigned int |
3204 | unsigned int |
2193 | ev_iteration (EV_P) EV_THROW |
3205 | ev_iteration (EV_P) EV_NOEXCEPT |
2194 | { |
3206 | { |
2195 | return loop_count; |
3207 | return loop_count; |
2196 | } |
3208 | } |
2197 | |
3209 | |
2198 | unsigned int |
3210 | unsigned int |
2199 | ev_depth (EV_P) EV_THROW |
3211 | ev_depth (EV_P) EV_NOEXCEPT |
2200 | { |
3212 | { |
2201 | return loop_depth; |
3213 | return loop_depth; |
2202 | } |
3214 | } |
2203 | |
3215 | |
2204 | void |
3216 | void |
2205 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
3217 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2206 | { |
3218 | { |
2207 | io_blocktime = interval; |
3219 | io_blocktime = interval; |
2208 | } |
3220 | } |
2209 | |
3221 | |
2210 | void |
3222 | void |
2211 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
3223 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2212 | { |
3224 | { |
2213 | timeout_blocktime = interval; |
3225 | timeout_blocktime = interval; |
2214 | } |
3226 | } |
2215 | |
3227 | |
2216 | void |
3228 | void |
2217 | ev_set_userdata (EV_P_ void *data) EV_THROW |
3229 | ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT |
2218 | { |
3230 | { |
2219 | userdata = data; |
3231 | userdata = data; |
2220 | } |
3232 | } |
2221 | |
3233 | |
2222 | void * |
3234 | void * |
2223 | ev_userdata (EV_P) EV_THROW |
3235 | ev_userdata (EV_P) EV_NOEXCEPT |
2224 | { |
3236 | { |
2225 | return userdata; |
3237 | return userdata; |
2226 | } |
3238 | } |
2227 | |
3239 | |
2228 | void |
3240 | void |
2229 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW |
3241 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT |
2230 | { |
3242 | { |
2231 | invoke_cb = invoke_pending_cb; |
3243 | invoke_cb = invoke_pending_cb; |
2232 | } |
3244 | } |
2233 | |
3245 | |
2234 | void |
3246 | void |
2235 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
3247 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT |
2236 | { |
3248 | { |
2237 | release_cb = release; |
3249 | release_cb = release; |
2238 | acquire_cb = acquire; |
3250 | acquire_cb = acquire; |
2239 | } |
3251 | } |
2240 | #endif |
3252 | #endif |
2241 | |
3253 | |
2242 | /* initialise a loop structure, must be zero-initialised */ |
3254 | /* initialise a loop structure, must be zero-initialised */ |
2243 | static void noinline ecb_cold |
3255 | ecb_noinline ecb_cold |
|
|
3256 | static void |
2244 | loop_init (EV_P_ unsigned int flags) EV_THROW |
3257 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
2245 | { |
3258 | { |
2246 | if (!backend) |
3259 | if (!backend) |
2247 | { |
3260 | { |
2248 | origflags = flags; |
3261 | origflags = flags; |
2249 | |
3262 | |
… | |
… | |
2294 | #if EV_ASYNC_ENABLE |
3307 | #if EV_ASYNC_ENABLE |
2295 | async_pending = 0; |
3308 | async_pending = 0; |
2296 | #endif |
3309 | #endif |
2297 | pipe_write_skipped = 0; |
3310 | pipe_write_skipped = 0; |
2298 | pipe_write_wanted = 0; |
3311 | pipe_write_wanted = 0; |
|
|
3312 | evpipe [0] = -1; |
|
|
3313 | evpipe [1] = -1; |
2299 | #if EV_USE_INOTIFY |
3314 | #if EV_USE_INOTIFY |
2300 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
3315 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
2301 | #endif |
3316 | #endif |
2302 | #if EV_USE_SIGNALFD |
3317 | #if EV_USE_SIGNALFD |
2303 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
3318 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
2304 | #endif |
3319 | #endif |
|
|
3320 | #if EV_USE_TIMERFD |
|
|
3321 | timerfd = flags & EVFLAG_NOTIMERFD ? -1 : -2; |
|
|
3322 | #endif |
2305 | |
3323 | |
2306 | if (!(flags & EVBACKEND_MASK)) |
3324 | if (!(flags & EVBACKEND_MASK)) |
2307 | flags |= ev_recommended_backends (); |
3325 | flags |= ev_recommended_backends (); |
2308 | |
3326 | |
2309 | #if EV_USE_IOCP |
3327 | #if EV_USE_IOCP |
2310 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
3328 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
2311 | #endif |
3329 | #endif |
2312 | #if EV_USE_PORT |
3330 | #if EV_USE_PORT |
2313 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
3331 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2314 | #endif |
3332 | #endif |
2315 | #if EV_USE_KQUEUE |
3333 | #if EV_USE_KQUEUE |
2316 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
3334 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
|
|
3335 | #endif |
|
|
3336 | #if EV_USE_IOURING |
|
|
3337 | if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags); |
|
|
3338 | #endif |
|
|
3339 | #if EV_USE_LINUXAIO |
|
|
3340 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
2317 | #endif |
3341 | #endif |
2318 | #if EV_USE_EPOLL |
3342 | #if EV_USE_EPOLL |
2319 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
3343 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
2320 | #endif |
3344 | #endif |
2321 | #if EV_USE_POLL |
3345 | #if EV_USE_POLL |
2322 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
3346 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
2323 | #endif |
3347 | #endif |
2324 | #if EV_USE_SELECT |
3348 | #if EV_USE_SELECT |
2325 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
3349 | if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags); |
2326 | #endif |
3350 | #endif |
2327 | |
3351 | |
2328 | ev_prepare_init (&pending_w, pendingcb); |
3352 | ev_prepare_init (&pending_w, pendingcb); |
2329 | |
3353 | |
2330 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3354 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
… | |
… | |
2333 | #endif |
3357 | #endif |
2334 | } |
3358 | } |
2335 | } |
3359 | } |
2336 | |
3360 | |
2337 | /* free up a loop structure */ |
3361 | /* free up a loop structure */ |
2338 | void ecb_cold |
3362 | ecb_cold |
|
|
3363 | void |
2339 | ev_loop_destroy (EV_P) |
3364 | ev_loop_destroy (EV_P) |
2340 | { |
3365 | { |
2341 | int i; |
3366 | int i; |
2342 | |
3367 | |
2343 | #if EV_MULTIPLICITY |
3368 | #if EV_MULTIPLICITY |
… | |
… | |
2346 | return; |
3371 | return; |
2347 | #endif |
3372 | #endif |
2348 | |
3373 | |
2349 | #if EV_CLEANUP_ENABLE |
3374 | #if EV_CLEANUP_ENABLE |
2350 | /* queue cleanup watchers (and execute them) */ |
3375 | /* queue cleanup watchers (and execute them) */ |
2351 | if (expect_false (cleanupcnt)) |
3376 | if (ecb_expect_false (cleanupcnt)) |
2352 | { |
3377 | { |
2353 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
3378 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
2354 | EV_INVOKE_PENDING; |
3379 | EV_INVOKE_PENDING; |
2355 | } |
3380 | } |
2356 | #endif |
3381 | #endif |
2357 | |
3382 | |
2358 | #if EV_CHILD_ENABLE |
3383 | #if EV_CHILD_ENABLE |
2359 | if (ev_is_active (&childev)) |
3384 | if (ev_is_default_loop (EV_A) && ev_is_active (&childev)) |
2360 | { |
3385 | { |
2361 | ev_ref (EV_A); /* child watcher */ |
3386 | ev_ref (EV_A); /* child watcher */ |
2362 | ev_signal_stop (EV_A_ &childev); |
3387 | ev_signal_stop (EV_A_ &childev); |
2363 | } |
3388 | } |
2364 | #endif |
3389 | #endif |
… | |
… | |
2366 | if (ev_is_active (&pipe_w)) |
3391 | if (ev_is_active (&pipe_w)) |
2367 | { |
3392 | { |
2368 | /*ev_ref (EV_A);*/ |
3393 | /*ev_ref (EV_A);*/ |
2369 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
3394 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
2370 | |
3395 | |
2371 | #if EV_USE_EVENTFD |
|
|
2372 | if (evfd >= 0) |
|
|
2373 | close (evfd); |
|
|
2374 | #endif |
|
|
2375 | |
|
|
2376 | if (evpipe [0] >= 0) |
|
|
2377 | { |
|
|
2378 | EV_WIN32_CLOSE_FD (evpipe [0]); |
3396 | if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]); |
2379 | EV_WIN32_CLOSE_FD (evpipe [1]); |
3397 | if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]); |
2380 | } |
|
|
2381 | } |
3398 | } |
2382 | |
3399 | |
2383 | #if EV_USE_SIGNALFD |
3400 | #if EV_USE_SIGNALFD |
2384 | if (ev_is_active (&sigfd_w)) |
3401 | if (ev_is_active (&sigfd_w)) |
2385 | close (sigfd); |
3402 | close (sigfd); |
2386 | #endif |
3403 | #endif |
2387 | |
3404 | |
|
|
3405 | #if EV_USE_TIMERFD |
|
|
3406 | if (ev_is_active (&timerfd_w)) |
|
|
3407 | close (timerfd); |
|
|
3408 | #endif |
|
|
3409 | |
2388 | #if EV_USE_INOTIFY |
3410 | #if EV_USE_INOTIFY |
2389 | if (fs_fd >= 0) |
3411 | if (fs_fd >= 0) |
2390 | close (fs_fd); |
3412 | close (fs_fd); |
2391 | #endif |
3413 | #endif |
2392 | |
3414 | |
2393 | if (backend_fd >= 0) |
3415 | if (backend_fd >= 0) |
2394 | close (backend_fd); |
3416 | close (backend_fd); |
2395 | |
3417 | |
2396 | #if EV_USE_IOCP |
3418 | #if EV_USE_IOCP |
2397 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
3419 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
2398 | #endif |
3420 | #endif |
2399 | #if EV_USE_PORT |
3421 | #if EV_USE_PORT |
2400 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3422 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
2401 | #endif |
3423 | #endif |
2402 | #if EV_USE_KQUEUE |
3424 | #if EV_USE_KQUEUE |
2403 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
3425 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
|
|
3426 | #endif |
|
|
3427 | #if EV_USE_IOURING |
|
|
3428 | if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A); |
|
|
3429 | #endif |
|
|
3430 | #if EV_USE_LINUXAIO |
|
|
3431 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
2404 | #endif |
3432 | #endif |
2405 | #if EV_USE_EPOLL |
3433 | #if EV_USE_EPOLL |
2406 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3434 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
2407 | #endif |
3435 | #endif |
2408 | #if EV_USE_POLL |
3436 | #if EV_USE_POLL |
2409 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3437 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
2410 | #endif |
3438 | #endif |
2411 | #if EV_USE_SELECT |
3439 | #if EV_USE_SELECT |
2412 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
3440 | if (backend == EVBACKEND_SELECT ) select_destroy (EV_A); |
2413 | #endif |
3441 | #endif |
2414 | |
3442 | |
2415 | for (i = NUMPRI; i--; ) |
3443 | for (i = NUMPRI; i--; ) |
2416 | { |
3444 | { |
2417 | array_free (pending, [i]); |
3445 | array_free (pending, [i]); |
… | |
… | |
2459 | |
3487 | |
2460 | inline_size void |
3488 | inline_size void |
2461 | loop_fork (EV_P) |
3489 | loop_fork (EV_P) |
2462 | { |
3490 | { |
2463 | #if EV_USE_PORT |
3491 | #if EV_USE_PORT |
2464 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3492 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
2465 | #endif |
3493 | #endif |
2466 | #if EV_USE_KQUEUE |
3494 | #if EV_USE_KQUEUE |
2467 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
3495 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
|
|
3496 | #endif |
|
|
3497 | #if EV_USE_IOURING |
|
|
3498 | if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A); |
|
|
3499 | #endif |
|
|
3500 | #if EV_USE_LINUXAIO |
|
|
3501 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
2468 | #endif |
3502 | #endif |
2469 | #if EV_USE_EPOLL |
3503 | #if EV_USE_EPOLL |
2470 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3504 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
2471 | #endif |
3505 | #endif |
2472 | #if EV_USE_INOTIFY |
3506 | #if EV_USE_INOTIFY |
2473 | infy_fork (EV_A); |
3507 | infy_fork (EV_A); |
2474 | #endif |
3508 | #endif |
2475 | |
3509 | |
|
|
3510 | if (postfork != 2) |
|
|
3511 | { |
|
|
3512 | #if EV_USE_SIGNALFD |
|
|
3513 | /* surprisingly, nothing needs to be done for signalfd, accoridng to docs, it does the right thing on fork */ |
|
|
3514 | #endif |
|
|
3515 | |
|
|
3516 | #if EV_USE_TIMERFD |
|
|
3517 | if (ev_is_active (&timerfd_w)) |
|
|
3518 | { |
|
|
3519 | ev_ref (EV_A); |
|
|
3520 | ev_io_stop (EV_A_ &timerfd_w); |
|
|
3521 | |
|
|
3522 | close (timerfd); |
|
|
3523 | timerfd = -2; |
|
|
3524 | |
|
|
3525 | evtimerfd_init (EV_A); |
|
|
3526 | /* reschedule periodics, in case we missed something */ |
|
|
3527 | ev_feed_event (EV_A_ &timerfd_w, EV_CUSTOM); |
|
|
3528 | } |
|
|
3529 | #endif |
|
|
3530 | |
|
|
3531 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2476 | if (ev_is_active (&pipe_w)) |
3532 | if (ev_is_active (&pipe_w)) |
2477 | { |
3533 | { |
2478 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
3534 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
2479 | |
3535 | |
2480 | ev_ref (EV_A); |
3536 | ev_ref (EV_A); |
2481 | ev_io_stop (EV_A_ &pipe_w); |
3537 | ev_io_stop (EV_A_ &pipe_w); |
2482 | |
3538 | |
2483 | #if EV_USE_EVENTFD |
|
|
2484 | if (evfd >= 0) |
|
|
2485 | close (evfd); |
|
|
2486 | #endif |
|
|
2487 | |
|
|
2488 | if (evpipe [0] >= 0) |
3539 | if (evpipe [0] >= 0) |
2489 | { |
|
|
2490 | EV_WIN32_CLOSE_FD (evpipe [0]); |
3540 | EV_WIN32_CLOSE_FD (evpipe [0]); |
2491 | EV_WIN32_CLOSE_FD (evpipe [1]); |
3541 | |
|
|
3542 | evpipe_init (EV_A); |
|
|
3543 | /* iterate over everything, in case we missed something before */ |
|
|
3544 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
2492 | } |
3545 | } |
2493 | |
3546 | #endif |
2494 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
|
|
2495 | evpipe_init (EV_A); |
|
|
2496 | /* now iterate over everything, in case we missed something */ |
|
|
2497 | pipecb (EV_A_ &pipe_w, EV_READ); |
|
|
2498 | #endif |
|
|
2499 | } |
3547 | } |
2500 | |
3548 | |
2501 | postfork = 0; |
3549 | postfork = 0; |
2502 | } |
3550 | } |
2503 | |
3551 | |
2504 | #if EV_MULTIPLICITY |
3552 | #if EV_MULTIPLICITY |
2505 | |
3553 | |
|
|
3554 | ecb_cold |
2506 | struct ev_loop * ecb_cold |
3555 | struct ev_loop * |
2507 | ev_loop_new (unsigned int flags) EV_THROW |
3556 | ev_loop_new (unsigned int flags) EV_NOEXCEPT |
2508 | { |
3557 | { |
2509 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
3558 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2510 | |
3559 | |
2511 | memset (EV_A, 0, sizeof (struct ev_loop)); |
3560 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2512 | loop_init (EV_A_ flags); |
3561 | loop_init (EV_A_ flags); |
… | |
… | |
2519 | } |
3568 | } |
2520 | |
3569 | |
2521 | #endif /* multiplicity */ |
3570 | #endif /* multiplicity */ |
2522 | |
3571 | |
2523 | #if EV_VERIFY |
3572 | #if EV_VERIFY |
2524 | static void noinline ecb_cold |
3573 | ecb_noinline ecb_cold |
|
|
3574 | static void |
2525 | verify_watcher (EV_P_ W w) |
3575 | verify_watcher (EV_P_ W w) |
2526 | { |
3576 | { |
2527 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3577 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
2528 | |
3578 | |
2529 | if (w->pending) |
3579 | if (w->pending) |
2530 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3580 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
2531 | } |
3581 | } |
2532 | |
3582 | |
2533 | static void noinline ecb_cold |
3583 | ecb_noinline ecb_cold |
|
|
3584 | static void |
2534 | verify_heap (EV_P_ ANHE *heap, int N) |
3585 | verify_heap (EV_P_ ANHE *heap, int N) |
2535 | { |
3586 | { |
2536 | int i; |
3587 | int i; |
2537 | |
3588 | |
2538 | for (i = HEAP0; i < N + HEAP0; ++i) |
3589 | for (i = HEAP0; i < N + HEAP0; ++i) |
… | |
… | |
2543 | |
3594 | |
2544 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3595 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
2545 | } |
3596 | } |
2546 | } |
3597 | } |
2547 | |
3598 | |
2548 | static void noinline ecb_cold |
3599 | ecb_noinline ecb_cold |
|
|
3600 | static void |
2549 | array_verify (EV_P_ W *ws, int cnt) |
3601 | array_verify (EV_P_ W *ws, int cnt) |
2550 | { |
3602 | { |
2551 | while (cnt--) |
3603 | while (cnt--) |
2552 | { |
3604 | { |
2553 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
3605 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
… | |
… | |
2556 | } |
3608 | } |
2557 | #endif |
3609 | #endif |
2558 | |
3610 | |
2559 | #if EV_FEATURE_API |
3611 | #if EV_FEATURE_API |
2560 | void ecb_cold |
3612 | void ecb_cold |
2561 | ev_verify (EV_P) EV_THROW |
3613 | ev_verify (EV_P) EV_NOEXCEPT |
2562 | { |
3614 | { |
2563 | #if EV_VERIFY |
3615 | #if EV_VERIFY |
2564 | int i; |
3616 | int i; |
2565 | WL w, w2; |
3617 | WL w, w2; |
2566 | |
3618 | |
… | |
… | |
2642 | #endif |
3694 | #endif |
2643 | } |
3695 | } |
2644 | #endif |
3696 | #endif |
2645 | |
3697 | |
2646 | #if EV_MULTIPLICITY |
3698 | #if EV_MULTIPLICITY |
|
|
3699 | ecb_cold |
2647 | struct ev_loop * ecb_cold |
3700 | struct ev_loop * |
2648 | #else |
3701 | #else |
2649 | int |
3702 | int |
2650 | #endif |
3703 | #endif |
2651 | ev_default_loop (unsigned int flags) EV_THROW |
3704 | ev_default_loop (unsigned int flags) EV_NOEXCEPT |
2652 | { |
3705 | { |
2653 | if (!ev_default_loop_ptr) |
3706 | if (!ev_default_loop_ptr) |
2654 | { |
3707 | { |
2655 | #if EV_MULTIPLICITY |
3708 | #if EV_MULTIPLICITY |
2656 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
3709 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
2675 | |
3728 | |
2676 | return ev_default_loop_ptr; |
3729 | return ev_default_loop_ptr; |
2677 | } |
3730 | } |
2678 | |
3731 | |
2679 | void |
3732 | void |
2680 | ev_loop_fork (EV_P) EV_THROW |
3733 | ev_loop_fork (EV_P) EV_NOEXCEPT |
2681 | { |
3734 | { |
2682 | postfork = 1; /* must be in line with ev_default_fork */ |
3735 | postfork = 1; |
2683 | } |
3736 | } |
2684 | |
3737 | |
2685 | /*****************************************************************************/ |
3738 | /*****************************************************************************/ |
2686 | |
3739 | |
2687 | void |
3740 | void |
… | |
… | |
2689 | { |
3742 | { |
2690 | EV_CB_INVOKE ((W)w, revents); |
3743 | EV_CB_INVOKE ((W)w, revents); |
2691 | } |
3744 | } |
2692 | |
3745 | |
2693 | unsigned int |
3746 | unsigned int |
2694 | ev_pending_count (EV_P) EV_THROW |
3747 | ev_pending_count (EV_P) EV_NOEXCEPT |
2695 | { |
3748 | { |
2696 | int pri; |
3749 | int pri; |
2697 | unsigned int count = 0; |
3750 | unsigned int count = 0; |
2698 | |
3751 | |
2699 | for (pri = NUMPRI; pri--; ) |
3752 | for (pri = NUMPRI; pri--; ) |
2700 | count += pendingcnt [pri]; |
3753 | count += pendingcnt [pri]; |
2701 | |
3754 | |
2702 | return count; |
3755 | return count; |
2703 | } |
3756 | } |
2704 | |
3757 | |
2705 | void noinline |
3758 | ecb_noinline |
|
|
3759 | void |
2706 | ev_invoke_pending (EV_P) |
3760 | ev_invoke_pending (EV_P) |
2707 | { |
3761 | { |
2708 | for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */ |
3762 | pendingpri = NUMPRI; |
|
|
3763 | |
|
|
3764 | do |
|
|
3765 | { |
|
|
3766 | --pendingpri; |
|
|
3767 | |
|
|
3768 | /* pendingpri possibly gets modified in the inner loop */ |
2709 | while (pendingcnt [pendingpri]) |
3769 | while (pendingcnt [pendingpri]) |
2710 | { |
3770 | { |
2711 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
3771 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
2712 | |
3772 | |
2713 | p->w->pending = 0; |
3773 | p->w->pending = 0; |
2714 | EV_CB_INVOKE (p->w, p->events); |
3774 | EV_CB_INVOKE (p->w, p->events); |
2715 | EV_FREQUENT_CHECK; |
3775 | EV_FREQUENT_CHECK; |
2716 | } |
3776 | } |
|
|
3777 | } |
|
|
3778 | while (pendingpri); |
2717 | } |
3779 | } |
2718 | |
3780 | |
2719 | #if EV_IDLE_ENABLE |
3781 | #if EV_IDLE_ENABLE |
2720 | /* make idle watchers pending. this handles the "call-idle */ |
3782 | /* make idle watchers pending. this handles the "call-idle */ |
2721 | /* only when higher priorities are idle" logic */ |
3783 | /* only when higher priorities are idle" logic */ |
2722 | inline_size void |
3784 | inline_size void |
2723 | idle_reify (EV_P) |
3785 | idle_reify (EV_P) |
2724 | { |
3786 | { |
2725 | if (expect_false (idleall)) |
3787 | if (ecb_expect_false (idleall)) |
2726 | { |
3788 | { |
2727 | int pri; |
3789 | int pri; |
2728 | |
3790 | |
2729 | for (pri = NUMPRI; pri--; ) |
3791 | for (pri = NUMPRI; pri--; ) |
2730 | { |
3792 | { |
… | |
… | |
2760 | { |
3822 | { |
2761 | ev_at (w) += w->repeat; |
3823 | ev_at (w) += w->repeat; |
2762 | if (ev_at (w) < mn_now) |
3824 | if (ev_at (w) < mn_now) |
2763 | ev_at (w) = mn_now; |
3825 | ev_at (w) = mn_now; |
2764 | |
3826 | |
2765 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
3827 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > EV_TS_CONST (0.))); |
2766 | |
3828 | |
2767 | ANHE_at_cache (timers [HEAP0]); |
3829 | ANHE_at_cache (timers [HEAP0]); |
2768 | downheap (timers, timercnt, HEAP0); |
3830 | downheap (timers, timercnt, HEAP0); |
2769 | } |
3831 | } |
2770 | else |
3832 | else |
… | |
… | |
2779 | } |
3841 | } |
2780 | } |
3842 | } |
2781 | |
3843 | |
2782 | #if EV_PERIODIC_ENABLE |
3844 | #if EV_PERIODIC_ENABLE |
2783 | |
3845 | |
2784 | static void noinline |
3846 | ecb_noinline |
|
|
3847 | static void |
2785 | periodic_recalc (EV_P_ ev_periodic *w) |
3848 | periodic_recalc (EV_P_ ev_periodic *w) |
2786 | { |
3849 | { |
2787 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3850 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
2788 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3851 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
2789 | |
3852 | |
… | |
… | |
2791 | while (at <= ev_rt_now) |
3854 | while (at <= ev_rt_now) |
2792 | { |
3855 | { |
2793 | ev_tstamp nat = at + w->interval; |
3856 | ev_tstamp nat = at + w->interval; |
2794 | |
3857 | |
2795 | /* when resolution fails us, we use ev_rt_now */ |
3858 | /* when resolution fails us, we use ev_rt_now */ |
2796 | if (expect_false (nat == at)) |
3859 | if (ecb_expect_false (nat == at)) |
2797 | { |
3860 | { |
2798 | at = ev_rt_now; |
3861 | at = ev_rt_now; |
2799 | break; |
3862 | break; |
2800 | } |
3863 | } |
2801 | |
3864 | |
… | |
… | |
2811 | { |
3874 | { |
2812 | EV_FREQUENT_CHECK; |
3875 | EV_FREQUENT_CHECK; |
2813 | |
3876 | |
2814 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
3877 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
2815 | { |
3878 | { |
2816 | int feed_count = 0; |
|
|
2817 | |
|
|
2818 | do |
3879 | do |
2819 | { |
3880 | { |
2820 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
3881 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
2821 | |
3882 | |
2822 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
3883 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
… | |
… | |
2849 | } |
3910 | } |
2850 | } |
3911 | } |
2851 | |
3912 | |
2852 | /* simply recalculate all periodics */ |
3913 | /* simply recalculate all periodics */ |
2853 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3914 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2854 | static void noinline ecb_cold |
3915 | ecb_noinline ecb_cold |
|
|
3916 | static void |
2855 | periodics_reschedule (EV_P) |
3917 | periodics_reschedule (EV_P) |
2856 | { |
3918 | { |
2857 | int i; |
3919 | int i; |
2858 | |
3920 | |
2859 | /* adjust periodics after time jump */ |
3921 | /* adjust periodics after time jump */ |
… | |
… | |
2872 | reheap (periodics, periodiccnt); |
3934 | reheap (periodics, periodiccnt); |
2873 | } |
3935 | } |
2874 | #endif |
3936 | #endif |
2875 | |
3937 | |
2876 | /* adjust all timers by a given offset */ |
3938 | /* adjust all timers by a given offset */ |
2877 | static void noinline ecb_cold |
3939 | ecb_noinline ecb_cold |
|
|
3940 | static void |
2878 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3941 | timers_reschedule (EV_P_ ev_tstamp adjust) |
2879 | { |
3942 | { |
2880 | int i; |
3943 | int i; |
2881 | |
3944 | |
2882 | for (i = 0; i < timercnt; ++i) |
3945 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
2891 | /* also detect if there was a timejump, and act accordingly */ |
3954 | /* also detect if there was a timejump, and act accordingly */ |
2892 | inline_speed void |
3955 | inline_speed void |
2893 | time_update (EV_P_ ev_tstamp max_block) |
3956 | time_update (EV_P_ ev_tstamp max_block) |
2894 | { |
3957 | { |
2895 | #if EV_USE_MONOTONIC |
3958 | #if EV_USE_MONOTONIC |
2896 | if (expect_true (have_monotonic)) |
3959 | if (ecb_expect_true (have_monotonic)) |
2897 | { |
3960 | { |
2898 | int i; |
3961 | int i; |
2899 | ev_tstamp odiff = rtmn_diff; |
3962 | ev_tstamp odiff = rtmn_diff; |
2900 | |
3963 | |
2901 | mn_now = get_clock (); |
3964 | mn_now = get_clock (); |
2902 | |
3965 | |
2903 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3966 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
2904 | /* interpolate in the meantime */ |
3967 | /* interpolate in the meantime */ |
2905 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
3968 | if (ecb_expect_true (mn_now - now_floor < EV_TS_CONST (MIN_TIMEJUMP * .5))) |
2906 | { |
3969 | { |
2907 | ev_rt_now = rtmn_diff + mn_now; |
3970 | ev_rt_now = rtmn_diff + mn_now; |
2908 | return; |
3971 | return; |
2909 | } |
3972 | } |
2910 | |
3973 | |
… | |
… | |
2924 | ev_tstamp diff; |
3987 | ev_tstamp diff; |
2925 | rtmn_diff = ev_rt_now - mn_now; |
3988 | rtmn_diff = ev_rt_now - mn_now; |
2926 | |
3989 | |
2927 | diff = odiff - rtmn_diff; |
3990 | diff = odiff - rtmn_diff; |
2928 | |
3991 | |
2929 | if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
3992 | if (ecb_expect_true ((diff < EV_TS_CONST (0.) ? -diff : diff) < EV_TS_CONST (MIN_TIMEJUMP))) |
2930 | return; /* all is well */ |
3993 | return; /* all is well */ |
2931 | |
3994 | |
2932 | ev_rt_now = ev_time (); |
3995 | ev_rt_now = ev_time (); |
2933 | mn_now = get_clock (); |
3996 | mn_now = get_clock (); |
2934 | now_floor = mn_now; |
3997 | now_floor = mn_now; |
… | |
… | |
2943 | else |
4006 | else |
2944 | #endif |
4007 | #endif |
2945 | { |
4008 | { |
2946 | ev_rt_now = ev_time (); |
4009 | ev_rt_now = ev_time (); |
2947 | |
4010 | |
2948 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
4011 | if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + EV_TS_CONST (MIN_TIMEJUMP))) |
2949 | { |
4012 | { |
2950 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
4013 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
2951 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
4014 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
2952 | #if EV_PERIODIC_ENABLE |
4015 | #if EV_PERIODIC_ENABLE |
2953 | periodics_reschedule (EV_A); |
4016 | periodics_reschedule (EV_A); |
… | |
… | |
2976 | #if EV_VERIFY >= 2 |
4039 | #if EV_VERIFY >= 2 |
2977 | ev_verify (EV_A); |
4040 | ev_verify (EV_A); |
2978 | #endif |
4041 | #endif |
2979 | |
4042 | |
2980 | #ifndef _WIN32 |
4043 | #ifndef _WIN32 |
2981 | if (expect_false (curpid)) /* penalise the forking check even more */ |
4044 | if (ecb_expect_false (curpid)) /* penalise the forking check even more */ |
2982 | if (expect_false (getpid () != curpid)) |
4045 | if (ecb_expect_false (getpid () != curpid)) |
2983 | { |
4046 | { |
2984 | curpid = getpid (); |
4047 | curpid = getpid (); |
2985 | postfork = 1; |
4048 | postfork = 1; |
2986 | } |
4049 | } |
2987 | #endif |
4050 | #endif |
2988 | |
4051 | |
2989 | #if EV_FORK_ENABLE |
4052 | #if EV_FORK_ENABLE |
2990 | /* we might have forked, so queue fork handlers */ |
4053 | /* we might have forked, so queue fork handlers */ |
2991 | if (expect_false (postfork)) |
4054 | if (ecb_expect_false (postfork)) |
2992 | if (forkcnt) |
4055 | if (forkcnt) |
2993 | { |
4056 | { |
2994 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
4057 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2995 | EV_INVOKE_PENDING; |
4058 | EV_INVOKE_PENDING; |
2996 | } |
4059 | } |
2997 | #endif |
4060 | #endif |
2998 | |
4061 | |
2999 | #if EV_PREPARE_ENABLE |
4062 | #if EV_PREPARE_ENABLE |
3000 | /* queue prepare watchers (and execute them) */ |
4063 | /* queue prepare watchers (and execute them) */ |
3001 | if (expect_false (preparecnt)) |
4064 | if (ecb_expect_false (preparecnt)) |
3002 | { |
4065 | { |
3003 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
4066 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3004 | EV_INVOKE_PENDING; |
4067 | EV_INVOKE_PENDING; |
3005 | } |
4068 | } |
3006 | #endif |
4069 | #endif |
3007 | |
4070 | |
3008 | if (expect_false (loop_done)) |
4071 | if (ecb_expect_false (loop_done)) |
3009 | break; |
4072 | break; |
3010 | |
4073 | |
3011 | /* we might have forked, so reify kernel state if necessary */ |
4074 | /* we might have forked, so reify kernel state if necessary */ |
3012 | if (expect_false (postfork)) |
4075 | if (ecb_expect_false (postfork)) |
3013 | loop_fork (EV_A); |
4076 | loop_fork (EV_A); |
3014 | |
4077 | |
3015 | /* update fd-related kernel structures */ |
4078 | /* update fd-related kernel structures */ |
3016 | fd_reify (EV_A); |
4079 | fd_reify (EV_A); |
3017 | |
4080 | |
… | |
… | |
3022 | |
4085 | |
3023 | /* remember old timestamp for io_blocktime calculation */ |
4086 | /* remember old timestamp for io_blocktime calculation */ |
3024 | ev_tstamp prev_mn_now = mn_now; |
4087 | ev_tstamp prev_mn_now = mn_now; |
3025 | |
4088 | |
3026 | /* update time to cancel out callback processing overhead */ |
4089 | /* update time to cancel out callback processing overhead */ |
3027 | time_update (EV_A_ 1e100); |
4090 | time_update (EV_A_ EV_TS_CONST (EV_TSTAMP_HUGE)); |
3028 | |
4091 | |
3029 | /* from now on, we want a pipe-wake-up */ |
4092 | /* from now on, we want a pipe-wake-up */ |
3030 | pipe_write_wanted = 1; |
4093 | pipe_write_wanted = 1; |
3031 | |
4094 | |
3032 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
4095 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
3033 | |
4096 | |
3034 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
4097 | if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3035 | { |
4098 | { |
3036 | waittime = MAX_BLOCKTIME; |
4099 | waittime = EV_TS_CONST (MAX_BLOCKTIME); |
|
|
4100 | |
|
|
4101 | #if EV_USE_MONOTONIC |
|
|
4102 | if (ecb_expect_true (have_monotonic)) |
|
|
4103 | { |
|
|
4104 | #if EV_USE_TIMERFD |
|
|
4105 | /* sleep a lot longer when we can reliably detect timejumps */ |
|
|
4106 | if (ecb_expect_true (timerfd != -1)) |
|
|
4107 | waittime = EV_TS_CONST (MAX_BLOCKTIME2); |
|
|
4108 | #endif |
|
|
4109 | #if !EV_PERIODIC_ENABLE |
|
|
4110 | /* without periodics but with monotonic clock there is no need */ |
|
|
4111 | /* for any time jump detection, so sleep longer */ |
|
|
4112 | waittime = EV_TS_CONST (MAX_BLOCKTIME2); |
|
|
4113 | #endif |
|
|
4114 | } |
|
|
4115 | #endif |
3037 | |
4116 | |
3038 | if (timercnt) |
4117 | if (timercnt) |
3039 | { |
4118 | { |
3040 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
4119 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
3041 | if (waittime > to) waittime = to; |
4120 | if (waittime > to) waittime = to; |
… | |
… | |
3048 | if (waittime > to) waittime = to; |
4127 | if (waittime > to) waittime = to; |
3049 | } |
4128 | } |
3050 | #endif |
4129 | #endif |
3051 | |
4130 | |
3052 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
4131 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3053 | if (expect_false (waittime < timeout_blocktime)) |
4132 | if (ecb_expect_false (waittime < timeout_blocktime)) |
3054 | waittime = timeout_blocktime; |
4133 | waittime = timeout_blocktime; |
3055 | |
4134 | |
3056 | /* at this point, we NEED to wait, so we have to ensure */ |
4135 | /* now there are two more special cases left, either we have |
3057 | /* to pass a minimum nonzero value to the backend */ |
4136 | * already-expired timers, so we should not sleep, or we have timers |
|
|
4137 | * that expire very soon, in which case we need to wait for a minimum |
|
|
4138 | * amount of time for some event loop backends. |
|
|
4139 | */ |
3058 | if (expect_false (waittime < backend_mintime)) |
4140 | if (ecb_expect_false (waittime < backend_mintime)) |
|
|
4141 | waittime = waittime <= EV_TS_CONST (0.) |
|
|
4142 | ? EV_TS_CONST (0.) |
3059 | waittime = backend_mintime; |
4143 | : backend_mintime; |
3060 | |
4144 | |
3061 | /* extra check because io_blocktime is commonly 0 */ |
4145 | /* extra check because io_blocktime is commonly 0 */ |
3062 | if (expect_false (io_blocktime)) |
4146 | if (ecb_expect_false (io_blocktime)) |
3063 | { |
4147 | { |
3064 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
4148 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3065 | |
4149 | |
3066 | if (sleeptime > waittime - backend_mintime) |
4150 | if (sleeptime > waittime - backend_mintime) |
3067 | sleeptime = waittime - backend_mintime; |
4151 | sleeptime = waittime - backend_mintime; |
3068 | |
4152 | |
3069 | if (expect_true (sleeptime > 0.)) |
4153 | if (ecb_expect_true (sleeptime > EV_TS_CONST (0.))) |
3070 | { |
4154 | { |
3071 | ev_sleep (sleeptime); |
4155 | ev_sleep (sleeptime); |
3072 | waittime -= sleeptime; |
4156 | waittime -= sleeptime; |
3073 | } |
4157 | } |
3074 | } |
4158 | } |
… | |
… | |
3081 | backend_poll (EV_A_ waittime); |
4165 | backend_poll (EV_A_ waittime); |
3082 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
4166 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
3083 | |
4167 | |
3084 | pipe_write_wanted = 0; /* just an optimisation, no fence needed */ |
4168 | pipe_write_wanted = 0; /* just an optimisation, no fence needed */ |
3085 | |
4169 | |
|
|
4170 | ECB_MEMORY_FENCE_ACQUIRE; |
3086 | if (pipe_write_skipped) |
4171 | if (pipe_write_skipped) |
3087 | { |
4172 | { |
3088 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
4173 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3089 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
4174 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3090 | } |
4175 | } |
3091 | |
4176 | |
3092 | |
|
|
3093 | /* update ev_rt_now, do magic */ |
4177 | /* update ev_rt_now, do magic */ |
3094 | time_update (EV_A_ waittime + sleeptime); |
4178 | time_update (EV_A_ waittime + sleeptime); |
3095 | } |
4179 | } |
3096 | |
4180 | |
3097 | /* queue pending timers and reschedule them */ |
4181 | /* queue pending timers and reschedule them */ |
… | |
… | |
3105 | idle_reify (EV_A); |
4189 | idle_reify (EV_A); |
3106 | #endif |
4190 | #endif |
3107 | |
4191 | |
3108 | #if EV_CHECK_ENABLE |
4192 | #if EV_CHECK_ENABLE |
3109 | /* queue check watchers, to be executed first */ |
4193 | /* queue check watchers, to be executed first */ |
3110 | if (expect_false (checkcnt)) |
4194 | if (ecb_expect_false (checkcnt)) |
3111 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
4195 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3112 | #endif |
4196 | #endif |
3113 | |
4197 | |
3114 | EV_INVOKE_PENDING; |
4198 | EV_INVOKE_PENDING; |
3115 | } |
4199 | } |
3116 | while (expect_true ( |
4200 | while (ecb_expect_true ( |
3117 | activecnt |
4201 | activecnt |
3118 | && !loop_done |
4202 | && !loop_done |
3119 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
4203 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
3120 | )); |
4204 | )); |
3121 | |
4205 | |
… | |
… | |
3128 | |
4212 | |
3129 | return activecnt; |
4213 | return activecnt; |
3130 | } |
4214 | } |
3131 | |
4215 | |
3132 | void |
4216 | void |
3133 | ev_break (EV_P_ int how) EV_THROW |
4217 | ev_break (EV_P_ int how) EV_NOEXCEPT |
3134 | { |
4218 | { |
3135 | loop_done = how; |
4219 | loop_done = how; |
3136 | } |
4220 | } |
3137 | |
4221 | |
3138 | void |
4222 | void |
3139 | ev_ref (EV_P) EV_THROW |
4223 | ev_ref (EV_P) EV_NOEXCEPT |
3140 | { |
4224 | { |
3141 | ++activecnt; |
4225 | ++activecnt; |
3142 | } |
4226 | } |
3143 | |
4227 | |
3144 | void |
4228 | void |
3145 | ev_unref (EV_P) EV_THROW |
4229 | ev_unref (EV_P) EV_NOEXCEPT |
3146 | { |
4230 | { |
3147 | --activecnt; |
4231 | --activecnt; |
3148 | } |
4232 | } |
3149 | |
4233 | |
3150 | void |
4234 | void |
3151 | ev_now_update (EV_P) EV_THROW |
4235 | ev_now_update (EV_P) EV_NOEXCEPT |
3152 | { |
4236 | { |
3153 | time_update (EV_A_ 1e100); |
4237 | time_update (EV_A_ EV_TSTAMP_HUGE); |
3154 | } |
4238 | } |
3155 | |
4239 | |
3156 | void |
4240 | void |
3157 | ev_suspend (EV_P) EV_THROW |
4241 | ev_suspend (EV_P) EV_NOEXCEPT |
3158 | { |
4242 | { |
3159 | ev_now_update (EV_A); |
4243 | ev_now_update (EV_A); |
3160 | } |
4244 | } |
3161 | |
4245 | |
3162 | void |
4246 | void |
3163 | ev_resume (EV_P) EV_THROW |
4247 | ev_resume (EV_P) EV_NOEXCEPT |
3164 | { |
4248 | { |
3165 | ev_tstamp mn_prev = mn_now; |
4249 | ev_tstamp mn_prev = mn_now; |
3166 | |
4250 | |
3167 | ev_now_update (EV_A); |
4251 | ev_now_update (EV_A); |
3168 | timers_reschedule (EV_A_ mn_now - mn_prev); |
4252 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
3185 | inline_size void |
4269 | inline_size void |
3186 | wlist_del (WL *head, WL elem) |
4270 | wlist_del (WL *head, WL elem) |
3187 | { |
4271 | { |
3188 | while (*head) |
4272 | while (*head) |
3189 | { |
4273 | { |
3190 | if (expect_true (*head == elem)) |
4274 | if (ecb_expect_true (*head == elem)) |
3191 | { |
4275 | { |
3192 | *head = elem->next; |
4276 | *head = elem->next; |
3193 | break; |
4277 | break; |
3194 | } |
4278 | } |
3195 | |
4279 | |
… | |
… | |
3207 | w->pending = 0; |
4291 | w->pending = 0; |
3208 | } |
4292 | } |
3209 | } |
4293 | } |
3210 | |
4294 | |
3211 | int |
4295 | int |
3212 | ev_clear_pending (EV_P_ void *w) EV_THROW |
4296 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
3213 | { |
4297 | { |
3214 | W w_ = (W)w; |
4298 | W w_ = (W)w; |
3215 | int pending = w_->pending; |
4299 | int pending = w_->pending; |
3216 | |
4300 | |
3217 | if (expect_true (pending)) |
4301 | if (ecb_expect_true (pending)) |
3218 | { |
4302 | { |
3219 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
4303 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
3220 | p->w = (W)&pending_w; |
4304 | p->w = (W)&pending_w; |
3221 | w_->pending = 0; |
4305 | w_->pending = 0; |
3222 | return p->events; |
4306 | return p->events; |
… | |
… | |
3249 | w->active = 0; |
4333 | w->active = 0; |
3250 | } |
4334 | } |
3251 | |
4335 | |
3252 | /*****************************************************************************/ |
4336 | /*****************************************************************************/ |
3253 | |
4337 | |
3254 | void noinline |
4338 | ecb_noinline |
|
|
4339 | void |
3255 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
4340 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
3256 | { |
4341 | { |
3257 | int fd = w->fd; |
4342 | int fd = w->fd; |
3258 | |
4343 | |
3259 | if (expect_false (ev_is_active (w))) |
4344 | if (ecb_expect_false (ev_is_active (w))) |
3260 | return; |
4345 | return; |
3261 | |
4346 | |
3262 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
4347 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
3263 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
4348 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3264 | |
4349 | |
|
|
4350 | #if EV_VERIFY >= 2 |
|
|
4351 | assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd))); |
|
|
4352 | #endif |
3265 | EV_FREQUENT_CHECK; |
4353 | EV_FREQUENT_CHECK; |
3266 | |
4354 | |
3267 | ev_start (EV_A_ (W)w, 1); |
4355 | ev_start (EV_A_ (W)w, 1); |
3268 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
4356 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
3269 | wlist_add (&anfds[fd].head, (WL)w); |
4357 | wlist_add (&anfds[fd].head, (WL)w); |
3270 | |
4358 | |
3271 | /* common bug, apparently */ |
4359 | /* common bug, apparently */ |
3272 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
4360 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
3273 | |
4361 | |
… | |
… | |
3275 | w->events &= ~EV__IOFDSET; |
4363 | w->events &= ~EV__IOFDSET; |
3276 | |
4364 | |
3277 | EV_FREQUENT_CHECK; |
4365 | EV_FREQUENT_CHECK; |
3278 | } |
4366 | } |
3279 | |
4367 | |
3280 | void noinline |
4368 | ecb_noinline |
|
|
4369 | void |
3281 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
4370 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
3282 | { |
4371 | { |
3283 | clear_pending (EV_A_ (W)w); |
4372 | clear_pending (EV_A_ (W)w); |
3284 | if (expect_false (!ev_is_active (w))) |
4373 | if (ecb_expect_false (!ev_is_active (w))) |
3285 | return; |
4374 | return; |
3286 | |
4375 | |
3287 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
4376 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
3288 | |
4377 | |
|
|
4378 | #if EV_VERIFY >= 2 |
|
|
4379 | assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd))); |
|
|
4380 | #endif |
3289 | EV_FREQUENT_CHECK; |
4381 | EV_FREQUENT_CHECK; |
3290 | |
4382 | |
3291 | wlist_del (&anfds[w->fd].head, (WL)w); |
4383 | wlist_del (&anfds[w->fd].head, (WL)w); |
3292 | ev_stop (EV_A_ (W)w); |
4384 | ev_stop (EV_A_ (W)w); |
3293 | |
4385 | |
3294 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
4386 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3295 | |
4387 | |
3296 | EV_FREQUENT_CHECK; |
4388 | EV_FREQUENT_CHECK; |
3297 | } |
4389 | } |
3298 | |
4390 | |
3299 | void noinline |
4391 | ecb_noinline |
|
|
4392 | void |
3300 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
4393 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
3301 | { |
4394 | { |
3302 | if (expect_false (ev_is_active (w))) |
4395 | if (ecb_expect_false (ev_is_active (w))) |
3303 | return; |
4396 | return; |
3304 | |
4397 | |
3305 | ev_at (w) += mn_now; |
4398 | ev_at (w) += mn_now; |
3306 | |
4399 | |
3307 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
4400 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
3308 | |
4401 | |
3309 | EV_FREQUENT_CHECK; |
4402 | EV_FREQUENT_CHECK; |
3310 | |
4403 | |
3311 | ++timercnt; |
4404 | ++timercnt; |
3312 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
4405 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
3313 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
4406 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit); |
3314 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
4407 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
3315 | ANHE_at_cache (timers [ev_active (w)]); |
4408 | ANHE_at_cache (timers [ev_active (w)]); |
3316 | upheap (timers, ev_active (w)); |
4409 | upheap (timers, ev_active (w)); |
3317 | |
4410 | |
3318 | EV_FREQUENT_CHECK; |
4411 | EV_FREQUENT_CHECK; |
3319 | |
4412 | |
3320 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
4413 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3321 | } |
4414 | } |
3322 | |
4415 | |
3323 | void noinline |
4416 | ecb_noinline |
|
|
4417 | void |
3324 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
4418 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
3325 | { |
4419 | { |
3326 | clear_pending (EV_A_ (W)w); |
4420 | clear_pending (EV_A_ (W)w); |
3327 | if (expect_false (!ev_is_active (w))) |
4421 | if (ecb_expect_false (!ev_is_active (w))) |
3328 | return; |
4422 | return; |
3329 | |
4423 | |
3330 | EV_FREQUENT_CHECK; |
4424 | EV_FREQUENT_CHECK; |
3331 | |
4425 | |
3332 | { |
4426 | { |
… | |
… | |
3334 | |
4428 | |
3335 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
4429 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
3336 | |
4430 | |
3337 | --timercnt; |
4431 | --timercnt; |
3338 | |
4432 | |
3339 | if (expect_true (active < timercnt + HEAP0)) |
4433 | if (ecb_expect_true (active < timercnt + HEAP0)) |
3340 | { |
4434 | { |
3341 | timers [active] = timers [timercnt + HEAP0]; |
4435 | timers [active] = timers [timercnt + HEAP0]; |
3342 | adjustheap (timers, timercnt, active); |
4436 | adjustheap (timers, timercnt, active); |
3343 | } |
4437 | } |
3344 | } |
4438 | } |
… | |
… | |
3348 | ev_stop (EV_A_ (W)w); |
4442 | ev_stop (EV_A_ (W)w); |
3349 | |
4443 | |
3350 | EV_FREQUENT_CHECK; |
4444 | EV_FREQUENT_CHECK; |
3351 | } |
4445 | } |
3352 | |
4446 | |
3353 | void noinline |
4447 | ecb_noinline |
|
|
4448 | void |
3354 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
4449 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
3355 | { |
4450 | { |
3356 | EV_FREQUENT_CHECK; |
4451 | EV_FREQUENT_CHECK; |
3357 | |
4452 | |
3358 | clear_pending (EV_A_ (W)w); |
4453 | clear_pending (EV_A_ (W)w); |
3359 | |
4454 | |
… | |
… | |
3376 | |
4471 | |
3377 | EV_FREQUENT_CHECK; |
4472 | EV_FREQUENT_CHECK; |
3378 | } |
4473 | } |
3379 | |
4474 | |
3380 | ev_tstamp |
4475 | ev_tstamp |
3381 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
4476 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
3382 | { |
4477 | { |
3383 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4478 | return ev_at (w) - (ev_is_active (w) ? mn_now : EV_TS_CONST (0.)); |
3384 | } |
4479 | } |
3385 | |
4480 | |
3386 | #if EV_PERIODIC_ENABLE |
4481 | #if EV_PERIODIC_ENABLE |
3387 | void noinline |
4482 | ecb_noinline |
|
|
4483 | void |
3388 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
4484 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3389 | { |
4485 | { |
3390 | if (expect_false (ev_is_active (w))) |
4486 | if (ecb_expect_false (ev_is_active (w))) |
3391 | return; |
4487 | return; |
|
|
4488 | |
|
|
4489 | #if EV_USE_TIMERFD |
|
|
4490 | if (timerfd == -2) |
|
|
4491 | evtimerfd_init (EV_A); |
|
|
4492 | #endif |
3392 | |
4493 | |
3393 | if (w->reschedule_cb) |
4494 | if (w->reschedule_cb) |
3394 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4495 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
3395 | else if (w->interval) |
4496 | else if (w->interval) |
3396 | { |
4497 | { |
… | |
… | |
3402 | |
4503 | |
3403 | EV_FREQUENT_CHECK; |
4504 | EV_FREQUENT_CHECK; |
3404 | |
4505 | |
3405 | ++periodiccnt; |
4506 | ++periodiccnt; |
3406 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4507 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
3407 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
4508 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit); |
3408 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4509 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
3409 | ANHE_at_cache (periodics [ev_active (w)]); |
4510 | ANHE_at_cache (periodics [ev_active (w)]); |
3410 | upheap (periodics, ev_active (w)); |
4511 | upheap (periodics, ev_active (w)); |
3411 | |
4512 | |
3412 | EV_FREQUENT_CHECK; |
4513 | EV_FREQUENT_CHECK; |
3413 | |
4514 | |
3414 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4515 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3415 | } |
4516 | } |
3416 | |
4517 | |
3417 | void noinline |
4518 | ecb_noinline |
|
|
4519 | void |
3418 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
4520 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3419 | { |
4521 | { |
3420 | clear_pending (EV_A_ (W)w); |
4522 | clear_pending (EV_A_ (W)w); |
3421 | if (expect_false (!ev_is_active (w))) |
4523 | if (ecb_expect_false (!ev_is_active (w))) |
3422 | return; |
4524 | return; |
3423 | |
4525 | |
3424 | EV_FREQUENT_CHECK; |
4526 | EV_FREQUENT_CHECK; |
3425 | |
4527 | |
3426 | { |
4528 | { |
… | |
… | |
3428 | |
4530 | |
3429 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4531 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
3430 | |
4532 | |
3431 | --periodiccnt; |
4533 | --periodiccnt; |
3432 | |
4534 | |
3433 | if (expect_true (active < periodiccnt + HEAP0)) |
4535 | if (ecb_expect_true (active < periodiccnt + HEAP0)) |
3434 | { |
4536 | { |
3435 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4537 | periodics [active] = periodics [periodiccnt + HEAP0]; |
3436 | adjustheap (periodics, periodiccnt, active); |
4538 | adjustheap (periodics, periodiccnt, active); |
3437 | } |
4539 | } |
3438 | } |
4540 | } |
… | |
… | |
3440 | ev_stop (EV_A_ (W)w); |
4542 | ev_stop (EV_A_ (W)w); |
3441 | |
4543 | |
3442 | EV_FREQUENT_CHECK; |
4544 | EV_FREQUENT_CHECK; |
3443 | } |
4545 | } |
3444 | |
4546 | |
3445 | void noinline |
4547 | ecb_noinline |
|
|
4548 | void |
3446 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
4549 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3447 | { |
4550 | { |
3448 | /* TODO: use adjustheap and recalculation */ |
4551 | /* TODO: use adjustheap and recalculation */ |
3449 | ev_periodic_stop (EV_A_ w); |
4552 | ev_periodic_stop (EV_A_ w); |
3450 | ev_periodic_start (EV_A_ w); |
4553 | ev_periodic_start (EV_A_ w); |
3451 | } |
4554 | } |
… | |
… | |
3455 | # define SA_RESTART 0 |
4558 | # define SA_RESTART 0 |
3456 | #endif |
4559 | #endif |
3457 | |
4560 | |
3458 | #if EV_SIGNAL_ENABLE |
4561 | #if EV_SIGNAL_ENABLE |
3459 | |
4562 | |
3460 | void noinline |
4563 | ecb_noinline |
|
|
4564 | void |
3461 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
4565 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
3462 | { |
4566 | { |
3463 | if (expect_false (ev_is_active (w))) |
4567 | if (ecb_expect_false (ev_is_active (w))) |
3464 | return; |
4568 | return; |
3465 | |
4569 | |
3466 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4570 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
3467 | |
4571 | |
3468 | #if EV_MULTIPLICITY |
4572 | #if EV_MULTIPLICITY |
3469 | assert (("libev: a signal must not be attached to two different loops", |
4573 | assert (("libev: a signal must not be attached to two different loops", |
3470 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
4574 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
3471 | |
4575 | |
3472 | signals [w->signum - 1].loop = EV_A; |
4576 | signals [w->signum - 1].loop = EV_A; |
|
|
4577 | ECB_MEMORY_FENCE_RELEASE; |
3473 | #endif |
4578 | #endif |
3474 | |
4579 | |
3475 | EV_FREQUENT_CHECK; |
4580 | EV_FREQUENT_CHECK; |
3476 | |
4581 | |
3477 | #if EV_USE_SIGNALFD |
4582 | #if EV_USE_SIGNALFD |
… | |
… | |
3536 | } |
4641 | } |
3537 | |
4642 | |
3538 | EV_FREQUENT_CHECK; |
4643 | EV_FREQUENT_CHECK; |
3539 | } |
4644 | } |
3540 | |
4645 | |
3541 | void noinline |
4646 | ecb_noinline |
|
|
4647 | void |
3542 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
4648 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
3543 | { |
4649 | { |
3544 | clear_pending (EV_A_ (W)w); |
4650 | clear_pending (EV_A_ (W)w); |
3545 | if (expect_false (!ev_is_active (w))) |
4651 | if (ecb_expect_false (!ev_is_active (w))) |
3546 | return; |
4652 | return; |
3547 | |
4653 | |
3548 | EV_FREQUENT_CHECK; |
4654 | EV_FREQUENT_CHECK; |
3549 | |
4655 | |
3550 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
4656 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
… | |
… | |
3578 | #endif |
4684 | #endif |
3579 | |
4685 | |
3580 | #if EV_CHILD_ENABLE |
4686 | #if EV_CHILD_ENABLE |
3581 | |
4687 | |
3582 | void |
4688 | void |
3583 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
4689 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
3584 | { |
4690 | { |
3585 | #if EV_MULTIPLICITY |
4691 | #if EV_MULTIPLICITY |
3586 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4692 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3587 | #endif |
4693 | #endif |
3588 | if (expect_false (ev_is_active (w))) |
4694 | if (ecb_expect_false (ev_is_active (w))) |
3589 | return; |
4695 | return; |
3590 | |
4696 | |
3591 | EV_FREQUENT_CHECK; |
4697 | EV_FREQUENT_CHECK; |
3592 | |
4698 | |
3593 | ev_start (EV_A_ (W)w, 1); |
4699 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
3595 | |
4701 | |
3596 | EV_FREQUENT_CHECK; |
4702 | EV_FREQUENT_CHECK; |
3597 | } |
4703 | } |
3598 | |
4704 | |
3599 | void |
4705 | void |
3600 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
4706 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
3601 | { |
4707 | { |
3602 | clear_pending (EV_A_ (W)w); |
4708 | clear_pending (EV_A_ (W)w); |
3603 | if (expect_false (!ev_is_active (w))) |
4709 | if (ecb_expect_false (!ev_is_active (w))) |
3604 | return; |
4710 | return; |
3605 | |
4711 | |
3606 | EV_FREQUENT_CHECK; |
4712 | EV_FREQUENT_CHECK; |
3607 | |
4713 | |
3608 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
4714 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
… | |
… | |
3622 | |
4728 | |
3623 | #define DEF_STAT_INTERVAL 5.0074891 |
4729 | #define DEF_STAT_INTERVAL 5.0074891 |
3624 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4730 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
3625 | #define MIN_STAT_INTERVAL 0.1074891 |
4731 | #define MIN_STAT_INTERVAL 0.1074891 |
3626 | |
4732 | |
3627 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4733 | ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
3628 | |
4734 | |
3629 | #if EV_USE_INOTIFY |
4735 | #if EV_USE_INOTIFY |
3630 | |
4736 | |
3631 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4737 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
3632 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4738 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
3633 | |
4739 | |
3634 | static void noinline |
4740 | ecb_noinline |
|
|
4741 | static void |
3635 | infy_add (EV_P_ ev_stat *w) |
4742 | infy_add (EV_P_ ev_stat *w) |
3636 | { |
4743 | { |
3637 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
4744 | w->wd = inotify_add_watch (fs_fd, w->path, |
|
|
4745 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
|
|
4746 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
|
|
4747 | | IN_DONT_FOLLOW | IN_MASK_ADD); |
3638 | |
4748 | |
3639 | if (w->wd >= 0) |
4749 | if (w->wd >= 0) |
3640 | { |
4750 | { |
3641 | struct statfs sfs; |
4751 | struct statfs sfs; |
3642 | |
4752 | |
… | |
… | |
3646 | |
4756 | |
3647 | if (!fs_2625) |
4757 | if (!fs_2625) |
3648 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
4758 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
3649 | else if (!statfs (w->path, &sfs) |
4759 | else if (!statfs (w->path, &sfs) |
3650 | && (sfs.f_type == 0x1373 /* devfs */ |
4760 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
4761 | || sfs.f_type == 0x4006 /* fat */ |
|
|
4762 | || sfs.f_type == 0x4d44 /* msdos */ |
3651 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
4763 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
4764 | || sfs.f_type == 0x72b6 /* jffs2 */ |
|
|
4765 | || sfs.f_type == 0x858458f6 /* ramfs */ |
|
|
4766 | || sfs.f_type == 0x5346544e /* ntfs */ |
3652 | || sfs.f_type == 0x3153464a /* jfs */ |
4767 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
4768 | || sfs.f_type == 0x9123683e /* btrfs */ |
3653 | || sfs.f_type == 0x52654973 /* reiser3 */ |
4769 | || sfs.f_type == 0x52654973 /* reiser3 */ |
3654 | || sfs.f_type == 0x01021994 /* tempfs */ |
4770 | || sfs.f_type == 0x01021994 /* tmpfs */ |
3655 | || sfs.f_type == 0x58465342 /* xfs */)) |
4771 | || sfs.f_type == 0x58465342 /* xfs */)) |
3656 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
4772 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
3657 | else |
4773 | else |
3658 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
4774 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
3659 | } |
4775 | } |
… | |
… | |
3694 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4810 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
3695 | ev_timer_again (EV_A_ &w->timer); |
4811 | ev_timer_again (EV_A_ &w->timer); |
3696 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4812 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
3697 | } |
4813 | } |
3698 | |
4814 | |
3699 | static void noinline |
4815 | ecb_noinline |
|
|
4816 | static void |
3700 | infy_del (EV_P_ ev_stat *w) |
4817 | infy_del (EV_P_ ev_stat *w) |
3701 | { |
4818 | { |
3702 | int slot; |
4819 | int slot; |
3703 | int wd = w->wd; |
4820 | int wd = w->wd; |
3704 | |
4821 | |
… | |
… | |
3711 | |
4828 | |
3712 | /* remove this watcher, if others are watching it, they will rearm */ |
4829 | /* remove this watcher, if others are watching it, they will rearm */ |
3713 | inotify_rm_watch (fs_fd, wd); |
4830 | inotify_rm_watch (fs_fd, wd); |
3714 | } |
4831 | } |
3715 | |
4832 | |
3716 | static void noinline |
4833 | ecb_noinline |
|
|
4834 | static void |
3717 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4835 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
3718 | { |
4836 | { |
3719 | if (slot < 0) |
4837 | if (slot < 0) |
3720 | /* overflow, need to check for all hash slots */ |
4838 | /* overflow, need to check for all hash slots */ |
3721 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
4839 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
… | |
… | |
3757 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4875 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3758 | ofs += sizeof (struct inotify_event) + ev->len; |
4876 | ofs += sizeof (struct inotify_event) + ev->len; |
3759 | } |
4877 | } |
3760 | } |
4878 | } |
3761 | |
4879 | |
3762 | inline_size void ecb_cold |
4880 | inline_size ecb_cold |
|
|
4881 | void |
3763 | ev_check_2625 (EV_P) |
4882 | ev_check_2625 (EV_P) |
3764 | { |
4883 | { |
3765 | /* kernels < 2.6.25 are borked |
4884 | /* kernels < 2.6.25 are borked |
3766 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
4885 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3767 | */ |
4886 | */ |
… | |
… | |
3857 | #else |
4976 | #else |
3858 | # define EV_LSTAT(p,b) lstat (p, b) |
4977 | # define EV_LSTAT(p,b) lstat (p, b) |
3859 | #endif |
4978 | #endif |
3860 | |
4979 | |
3861 | void |
4980 | void |
3862 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
4981 | ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT |
3863 | { |
4982 | { |
3864 | if (lstat (w->path, &w->attr) < 0) |
4983 | if (lstat (w->path, &w->attr) < 0) |
3865 | w->attr.st_nlink = 0; |
4984 | w->attr.st_nlink = 0; |
3866 | else if (!w->attr.st_nlink) |
4985 | else if (!w->attr.st_nlink) |
3867 | w->attr.st_nlink = 1; |
4986 | w->attr.st_nlink = 1; |
3868 | } |
4987 | } |
3869 | |
4988 | |
3870 | static void noinline |
4989 | ecb_noinline |
|
|
4990 | static void |
3871 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4991 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3872 | { |
4992 | { |
3873 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4993 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3874 | |
4994 | |
3875 | ev_statdata prev = w->attr; |
4995 | ev_statdata prev = w->attr; |
… | |
… | |
3906 | ev_feed_event (EV_A_ w, EV_STAT); |
5026 | ev_feed_event (EV_A_ w, EV_STAT); |
3907 | } |
5027 | } |
3908 | } |
5028 | } |
3909 | |
5029 | |
3910 | void |
5030 | void |
3911 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
5031 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
3912 | { |
5032 | { |
3913 | if (expect_false (ev_is_active (w))) |
5033 | if (ecb_expect_false (ev_is_active (w))) |
3914 | return; |
5034 | return; |
3915 | |
5035 | |
3916 | ev_stat_stat (EV_A_ w); |
5036 | ev_stat_stat (EV_A_ w); |
3917 | |
5037 | |
3918 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
5038 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
… | |
… | |
3937 | |
5057 | |
3938 | EV_FREQUENT_CHECK; |
5058 | EV_FREQUENT_CHECK; |
3939 | } |
5059 | } |
3940 | |
5060 | |
3941 | void |
5061 | void |
3942 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
5062 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
3943 | { |
5063 | { |
3944 | clear_pending (EV_A_ (W)w); |
5064 | clear_pending (EV_A_ (W)w); |
3945 | if (expect_false (!ev_is_active (w))) |
5065 | if (ecb_expect_false (!ev_is_active (w))) |
3946 | return; |
5066 | return; |
3947 | |
5067 | |
3948 | EV_FREQUENT_CHECK; |
5068 | EV_FREQUENT_CHECK; |
3949 | |
5069 | |
3950 | #if EV_USE_INOTIFY |
5070 | #if EV_USE_INOTIFY |
… | |
… | |
3963 | } |
5083 | } |
3964 | #endif |
5084 | #endif |
3965 | |
5085 | |
3966 | #if EV_IDLE_ENABLE |
5086 | #if EV_IDLE_ENABLE |
3967 | void |
5087 | void |
3968 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
5088 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
3969 | { |
5089 | { |
3970 | if (expect_false (ev_is_active (w))) |
5090 | if (ecb_expect_false (ev_is_active (w))) |
3971 | return; |
5091 | return; |
3972 | |
5092 | |
3973 | pri_adjust (EV_A_ (W)w); |
5093 | pri_adjust (EV_A_ (W)w); |
3974 | |
5094 | |
3975 | EV_FREQUENT_CHECK; |
5095 | EV_FREQUENT_CHECK; |
… | |
… | |
3978 | int active = ++idlecnt [ABSPRI (w)]; |
5098 | int active = ++idlecnt [ABSPRI (w)]; |
3979 | |
5099 | |
3980 | ++idleall; |
5100 | ++idleall; |
3981 | ev_start (EV_A_ (W)w, active); |
5101 | ev_start (EV_A_ (W)w, active); |
3982 | |
5102 | |
3983 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
5103 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit); |
3984 | idles [ABSPRI (w)][active - 1] = w; |
5104 | idles [ABSPRI (w)][active - 1] = w; |
3985 | } |
5105 | } |
3986 | |
5106 | |
3987 | EV_FREQUENT_CHECK; |
5107 | EV_FREQUENT_CHECK; |
3988 | } |
5108 | } |
3989 | |
5109 | |
3990 | void |
5110 | void |
3991 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
5111 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
3992 | { |
5112 | { |
3993 | clear_pending (EV_A_ (W)w); |
5113 | clear_pending (EV_A_ (W)w); |
3994 | if (expect_false (!ev_is_active (w))) |
5114 | if (ecb_expect_false (!ev_is_active (w))) |
3995 | return; |
5115 | return; |
3996 | |
5116 | |
3997 | EV_FREQUENT_CHECK; |
5117 | EV_FREQUENT_CHECK; |
3998 | |
5118 | |
3999 | { |
5119 | { |
… | |
… | |
4010 | } |
5130 | } |
4011 | #endif |
5131 | #endif |
4012 | |
5132 | |
4013 | #if EV_PREPARE_ENABLE |
5133 | #if EV_PREPARE_ENABLE |
4014 | void |
5134 | void |
4015 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
5135 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4016 | { |
5136 | { |
4017 | if (expect_false (ev_is_active (w))) |
5137 | if (ecb_expect_false (ev_is_active (w))) |
4018 | return; |
5138 | return; |
4019 | |
5139 | |
4020 | EV_FREQUENT_CHECK; |
5140 | EV_FREQUENT_CHECK; |
4021 | |
5141 | |
4022 | ev_start (EV_A_ (W)w, ++preparecnt); |
5142 | ev_start (EV_A_ (W)w, ++preparecnt); |
4023 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
5143 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit); |
4024 | prepares [preparecnt - 1] = w; |
5144 | prepares [preparecnt - 1] = w; |
4025 | |
5145 | |
4026 | EV_FREQUENT_CHECK; |
5146 | EV_FREQUENT_CHECK; |
4027 | } |
5147 | } |
4028 | |
5148 | |
4029 | void |
5149 | void |
4030 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
5150 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4031 | { |
5151 | { |
4032 | clear_pending (EV_A_ (W)w); |
5152 | clear_pending (EV_A_ (W)w); |
4033 | if (expect_false (!ev_is_active (w))) |
5153 | if (ecb_expect_false (!ev_is_active (w))) |
4034 | return; |
5154 | return; |
4035 | |
5155 | |
4036 | EV_FREQUENT_CHECK; |
5156 | EV_FREQUENT_CHECK; |
4037 | |
5157 | |
4038 | { |
5158 | { |
… | |
… | |
4048 | } |
5168 | } |
4049 | #endif |
5169 | #endif |
4050 | |
5170 | |
4051 | #if EV_CHECK_ENABLE |
5171 | #if EV_CHECK_ENABLE |
4052 | void |
5172 | void |
4053 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
5173 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4054 | { |
5174 | { |
4055 | if (expect_false (ev_is_active (w))) |
5175 | if (ecb_expect_false (ev_is_active (w))) |
4056 | return; |
5176 | return; |
4057 | |
5177 | |
4058 | EV_FREQUENT_CHECK; |
5178 | EV_FREQUENT_CHECK; |
4059 | |
5179 | |
4060 | ev_start (EV_A_ (W)w, ++checkcnt); |
5180 | ev_start (EV_A_ (W)w, ++checkcnt); |
4061 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
5181 | array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit); |
4062 | checks [checkcnt - 1] = w; |
5182 | checks [checkcnt - 1] = w; |
4063 | |
5183 | |
4064 | EV_FREQUENT_CHECK; |
5184 | EV_FREQUENT_CHECK; |
4065 | } |
5185 | } |
4066 | |
5186 | |
4067 | void |
5187 | void |
4068 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
5188 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4069 | { |
5189 | { |
4070 | clear_pending (EV_A_ (W)w); |
5190 | clear_pending (EV_A_ (W)w); |
4071 | if (expect_false (!ev_is_active (w))) |
5191 | if (ecb_expect_false (!ev_is_active (w))) |
4072 | return; |
5192 | return; |
4073 | |
5193 | |
4074 | EV_FREQUENT_CHECK; |
5194 | EV_FREQUENT_CHECK; |
4075 | |
5195 | |
4076 | { |
5196 | { |
… | |
… | |
4085 | EV_FREQUENT_CHECK; |
5205 | EV_FREQUENT_CHECK; |
4086 | } |
5206 | } |
4087 | #endif |
5207 | #endif |
4088 | |
5208 | |
4089 | #if EV_EMBED_ENABLE |
5209 | #if EV_EMBED_ENABLE |
4090 | void noinline |
5210 | ecb_noinline |
|
|
5211 | void |
4091 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
5212 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4092 | { |
5213 | { |
4093 | ev_run (w->other, EVRUN_NOWAIT); |
5214 | ev_run (w->other, EVRUN_NOWAIT); |
4094 | } |
5215 | } |
4095 | |
5216 | |
4096 | static void |
5217 | static void |
… | |
… | |
4118 | ev_run (EV_A_ EVRUN_NOWAIT); |
5239 | ev_run (EV_A_ EVRUN_NOWAIT); |
4119 | } |
5240 | } |
4120 | } |
5241 | } |
4121 | } |
5242 | } |
4122 | |
5243 | |
|
|
5244 | #if EV_FORK_ENABLE |
4123 | static void |
5245 | static void |
4124 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
5246 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
4125 | { |
5247 | { |
4126 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
5248 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
4127 | |
5249 | |
… | |
… | |
4134 | ev_run (EV_A_ EVRUN_NOWAIT); |
5256 | ev_run (EV_A_ EVRUN_NOWAIT); |
4135 | } |
5257 | } |
4136 | |
5258 | |
4137 | ev_embed_start (EV_A_ w); |
5259 | ev_embed_start (EV_A_ w); |
4138 | } |
5260 | } |
|
|
5261 | #endif |
4139 | |
5262 | |
4140 | #if 0 |
5263 | #if 0 |
4141 | static void |
5264 | static void |
4142 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
5265 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
4143 | { |
5266 | { |
4144 | ev_idle_stop (EV_A_ idle); |
5267 | ev_idle_stop (EV_A_ idle); |
4145 | } |
5268 | } |
4146 | #endif |
5269 | #endif |
4147 | |
5270 | |
4148 | void |
5271 | void |
4149 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
5272 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4150 | { |
5273 | { |
4151 | if (expect_false (ev_is_active (w))) |
5274 | if (ecb_expect_false (ev_is_active (w))) |
4152 | return; |
5275 | return; |
4153 | |
5276 | |
4154 | { |
5277 | { |
4155 | EV_P = w->other; |
5278 | EV_P = w->other; |
4156 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
5279 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
… | |
… | |
4164 | |
5287 | |
4165 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
5288 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
4166 | ev_set_priority (&w->prepare, EV_MINPRI); |
5289 | ev_set_priority (&w->prepare, EV_MINPRI); |
4167 | ev_prepare_start (EV_A_ &w->prepare); |
5290 | ev_prepare_start (EV_A_ &w->prepare); |
4168 | |
5291 | |
|
|
5292 | #if EV_FORK_ENABLE |
4169 | ev_fork_init (&w->fork, embed_fork_cb); |
5293 | ev_fork_init (&w->fork, embed_fork_cb); |
4170 | ev_fork_start (EV_A_ &w->fork); |
5294 | ev_fork_start (EV_A_ &w->fork); |
|
|
5295 | #endif |
4171 | |
5296 | |
4172 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
5297 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
4173 | |
5298 | |
4174 | ev_start (EV_A_ (W)w, 1); |
5299 | ev_start (EV_A_ (W)w, 1); |
4175 | |
5300 | |
4176 | EV_FREQUENT_CHECK; |
5301 | EV_FREQUENT_CHECK; |
4177 | } |
5302 | } |
4178 | |
5303 | |
4179 | void |
5304 | void |
4180 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
5305 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
4181 | { |
5306 | { |
4182 | clear_pending (EV_A_ (W)w); |
5307 | clear_pending (EV_A_ (W)w); |
4183 | if (expect_false (!ev_is_active (w))) |
5308 | if (ecb_expect_false (!ev_is_active (w))) |
4184 | return; |
5309 | return; |
4185 | |
5310 | |
4186 | EV_FREQUENT_CHECK; |
5311 | EV_FREQUENT_CHECK; |
4187 | |
5312 | |
4188 | ev_io_stop (EV_A_ &w->io); |
5313 | ev_io_stop (EV_A_ &w->io); |
4189 | ev_prepare_stop (EV_A_ &w->prepare); |
5314 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
5315 | #if EV_FORK_ENABLE |
4190 | ev_fork_stop (EV_A_ &w->fork); |
5316 | ev_fork_stop (EV_A_ &w->fork); |
|
|
5317 | #endif |
4191 | |
5318 | |
4192 | ev_stop (EV_A_ (W)w); |
5319 | ev_stop (EV_A_ (W)w); |
4193 | |
5320 | |
4194 | EV_FREQUENT_CHECK; |
5321 | EV_FREQUENT_CHECK; |
4195 | } |
5322 | } |
4196 | #endif |
5323 | #endif |
4197 | |
5324 | |
4198 | #if EV_FORK_ENABLE |
5325 | #if EV_FORK_ENABLE |
4199 | void |
5326 | void |
4200 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
5327 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
4201 | { |
5328 | { |
4202 | if (expect_false (ev_is_active (w))) |
5329 | if (ecb_expect_false (ev_is_active (w))) |
4203 | return; |
5330 | return; |
4204 | |
5331 | |
4205 | EV_FREQUENT_CHECK; |
5332 | EV_FREQUENT_CHECK; |
4206 | |
5333 | |
4207 | ev_start (EV_A_ (W)w, ++forkcnt); |
5334 | ev_start (EV_A_ (W)w, ++forkcnt); |
4208 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
5335 | array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit); |
4209 | forks [forkcnt - 1] = w; |
5336 | forks [forkcnt - 1] = w; |
4210 | |
5337 | |
4211 | EV_FREQUENT_CHECK; |
5338 | EV_FREQUENT_CHECK; |
4212 | } |
5339 | } |
4213 | |
5340 | |
4214 | void |
5341 | void |
4215 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
5342 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
4216 | { |
5343 | { |
4217 | clear_pending (EV_A_ (W)w); |
5344 | clear_pending (EV_A_ (W)w); |
4218 | if (expect_false (!ev_is_active (w))) |
5345 | if (ecb_expect_false (!ev_is_active (w))) |
4219 | return; |
5346 | return; |
4220 | |
5347 | |
4221 | EV_FREQUENT_CHECK; |
5348 | EV_FREQUENT_CHECK; |
4222 | |
5349 | |
4223 | { |
5350 | { |
… | |
… | |
4233 | } |
5360 | } |
4234 | #endif |
5361 | #endif |
4235 | |
5362 | |
4236 | #if EV_CLEANUP_ENABLE |
5363 | #if EV_CLEANUP_ENABLE |
4237 | void |
5364 | void |
4238 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
5365 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4239 | { |
5366 | { |
4240 | if (expect_false (ev_is_active (w))) |
5367 | if (ecb_expect_false (ev_is_active (w))) |
4241 | return; |
5368 | return; |
4242 | |
5369 | |
4243 | EV_FREQUENT_CHECK; |
5370 | EV_FREQUENT_CHECK; |
4244 | |
5371 | |
4245 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
5372 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
4246 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
5373 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit); |
4247 | cleanups [cleanupcnt - 1] = w; |
5374 | cleanups [cleanupcnt - 1] = w; |
4248 | |
5375 | |
4249 | /* cleanup watchers should never keep a refcount on the loop */ |
5376 | /* cleanup watchers should never keep a refcount on the loop */ |
4250 | ev_unref (EV_A); |
5377 | ev_unref (EV_A); |
4251 | EV_FREQUENT_CHECK; |
5378 | EV_FREQUENT_CHECK; |
4252 | } |
5379 | } |
4253 | |
5380 | |
4254 | void |
5381 | void |
4255 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
5382 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4256 | { |
5383 | { |
4257 | clear_pending (EV_A_ (W)w); |
5384 | clear_pending (EV_A_ (W)w); |
4258 | if (expect_false (!ev_is_active (w))) |
5385 | if (ecb_expect_false (!ev_is_active (w))) |
4259 | return; |
5386 | return; |
4260 | |
5387 | |
4261 | EV_FREQUENT_CHECK; |
5388 | EV_FREQUENT_CHECK; |
4262 | ev_ref (EV_A); |
5389 | ev_ref (EV_A); |
4263 | |
5390 | |
… | |
… | |
4274 | } |
5401 | } |
4275 | #endif |
5402 | #endif |
4276 | |
5403 | |
4277 | #if EV_ASYNC_ENABLE |
5404 | #if EV_ASYNC_ENABLE |
4278 | void |
5405 | void |
4279 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
5406 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
4280 | { |
5407 | { |
4281 | if (expect_false (ev_is_active (w))) |
5408 | if (ecb_expect_false (ev_is_active (w))) |
4282 | return; |
5409 | return; |
4283 | |
5410 | |
4284 | w->sent = 0; |
5411 | w->sent = 0; |
4285 | |
5412 | |
4286 | evpipe_init (EV_A); |
5413 | evpipe_init (EV_A); |
4287 | |
5414 | |
4288 | EV_FREQUENT_CHECK; |
5415 | EV_FREQUENT_CHECK; |
4289 | |
5416 | |
4290 | ev_start (EV_A_ (W)w, ++asynccnt); |
5417 | ev_start (EV_A_ (W)w, ++asynccnt); |
4291 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
5418 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit); |
4292 | asyncs [asynccnt - 1] = w; |
5419 | asyncs [asynccnt - 1] = w; |
4293 | |
5420 | |
4294 | EV_FREQUENT_CHECK; |
5421 | EV_FREQUENT_CHECK; |
4295 | } |
5422 | } |
4296 | |
5423 | |
4297 | void |
5424 | void |
4298 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
5425 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
4299 | { |
5426 | { |
4300 | clear_pending (EV_A_ (W)w); |
5427 | clear_pending (EV_A_ (W)w); |
4301 | if (expect_false (!ev_is_active (w))) |
5428 | if (ecb_expect_false (!ev_is_active (w))) |
4302 | return; |
5429 | return; |
4303 | |
5430 | |
4304 | EV_FREQUENT_CHECK; |
5431 | EV_FREQUENT_CHECK; |
4305 | |
5432 | |
4306 | { |
5433 | { |
… | |
… | |
4314 | |
5441 | |
4315 | EV_FREQUENT_CHECK; |
5442 | EV_FREQUENT_CHECK; |
4316 | } |
5443 | } |
4317 | |
5444 | |
4318 | void |
5445 | void |
4319 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
5446 | ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT |
4320 | { |
5447 | { |
4321 | w->sent = 1; |
5448 | w->sent = 1; |
4322 | evpipe_write (EV_A_ &async_pending); |
5449 | evpipe_write (EV_A_ &async_pending); |
4323 | } |
5450 | } |
4324 | #endif |
5451 | #endif |
… | |
… | |
4361 | |
5488 | |
4362 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
5489 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4363 | } |
5490 | } |
4364 | |
5491 | |
4365 | void |
5492 | void |
4366 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
5493 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT |
4367 | { |
5494 | { |
4368 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
5495 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4369 | |
|
|
4370 | if (expect_false (!once)) |
|
|
4371 | { |
|
|
4372 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
|
|
4373 | return; |
|
|
4374 | } |
|
|
4375 | |
5496 | |
4376 | once->cb = cb; |
5497 | once->cb = cb; |
4377 | once->arg = arg; |
5498 | once->arg = arg; |
4378 | |
5499 | |
4379 | ev_init (&once->io, once_cb_io); |
5500 | ev_init (&once->io, once_cb_io); |
… | |
… | |
4392 | } |
5513 | } |
4393 | |
5514 | |
4394 | /*****************************************************************************/ |
5515 | /*****************************************************************************/ |
4395 | |
5516 | |
4396 | #if EV_WALK_ENABLE |
5517 | #if EV_WALK_ENABLE |
4397 | void ecb_cold |
5518 | ecb_cold |
|
|
5519 | void |
4398 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
5520 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT |
4399 | { |
5521 | { |
4400 | int i, j; |
5522 | int i, j; |
4401 | ev_watcher_list *wl, *wn; |
5523 | ev_watcher_list *wl, *wn; |
4402 | |
5524 | |
4403 | if (types & (EV_IO | EV_EMBED)) |
5525 | if (types & (EV_IO | EV_EMBED)) |