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) 2007-2019 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 | * |
… | |
… | |
43 | # include EV_CONFIG_H |
43 | # include EV_CONFIG_H |
44 | # else |
44 | # else |
45 | # include "config.h" |
45 | # include "config.h" |
46 | # endif |
46 | # endif |
47 | |
47 | |
48 | #if HAVE_FLOOR |
48 | # if HAVE_FLOOR |
49 | # ifndef EV_USE_FLOOR |
49 | # ifndef EV_USE_FLOOR |
50 | # define EV_USE_FLOOR 1 |
50 | # define EV_USE_FLOOR 1 |
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|
51 | # endif |
51 | # endif |
52 | # endif |
52 | #endif |
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53 | |
53 | |
54 | # if HAVE_CLOCK_SYSCALL |
54 | # if HAVE_CLOCK_SYSCALL |
55 | # ifndef EV_USE_CLOCK_SYSCALL |
55 | # ifndef EV_USE_CLOCK_SYSCALL |
56 | # define EV_USE_CLOCK_SYSCALL 1 |
56 | # define EV_USE_CLOCK_SYSCALL 1 |
57 | # ifndef EV_USE_REALTIME |
57 | # ifndef EV_USE_REALTIME |
… | |
… | |
113 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
113 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
114 | # endif |
114 | # endif |
115 | # else |
115 | # else |
116 | # undef EV_USE_EPOLL |
116 | # undef EV_USE_EPOLL |
117 | # define EV_USE_EPOLL 0 |
117 | # define EV_USE_EPOLL 0 |
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118 | # endif |
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119 | |
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120 | # if HAVE_LINUX_AIO_ABI_H |
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121 | # ifndef EV_USE_LINUXAIO |
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122 | # define EV_USE_LINUXAIO EV_FEATURE_BACKENDS |
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123 | # endif |
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124 | # else |
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125 | # undef EV_USE_LINUXAIO |
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126 | # define EV_USE_LINUXAIO 0 |
118 | # endif |
127 | # endif |
119 | |
128 | |
120 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
129 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
121 | # ifndef EV_USE_KQUEUE |
130 | # ifndef EV_USE_KQUEUE |
122 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
131 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
… | |
… | |
162 | # define EV_USE_EVENTFD 0 |
171 | # define EV_USE_EVENTFD 0 |
163 | # endif |
172 | # endif |
164 | |
173 | |
165 | #endif |
174 | #endif |
166 | |
175 | |
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176 | /* OS X, in its infinite idiocy, actually HARDCODES |
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177 | * a limit of 1024 into their select. Where people have brains, |
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178 | * OS X engineers apparently have a vacuum. Or maybe they were |
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179 | * ordered to have a vacuum, or they do anything for money. |
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180 | * This might help. Or not. |
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181 | * Note that this must be defined early, as other include files |
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182 | * will rely on this define as well. |
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183 | */ |
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184 | #define _DARWIN_UNLIMITED_SELECT 1 |
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185 | |
167 | #include <stdlib.h> |
186 | #include <stdlib.h> |
168 | #include <string.h> |
187 | #include <string.h> |
169 | #include <fcntl.h> |
188 | #include <fcntl.h> |
170 | #include <stddef.h> |
189 | #include <stddef.h> |
171 | |
190 | |
… | |
… | |
208 | # ifndef EV_SELECT_IS_WINSOCKET |
227 | # ifndef EV_SELECT_IS_WINSOCKET |
209 | # define EV_SELECT_IS_WINSOCKET 1 |
228 | # define EV_SELECT_IS_WINSOCKET 1 |
210 | # endif |
229 | # endif |
211 | # undef EV_AVOID_STDIO |
230 | # undef EV_AVOID_STDIO |
212 | #endif |
231 | #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 | |
232 | |
222 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
233 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
223 | |
234 | |
224 | /* try to deduce the maximum number of signals on this platform */ |
235 | /* try to deduce the maximum number of signals on this platform */ |
225 | #if defined EV_NSIG |
236 | #if defined EV_NSIG |
… | |
… | |
241 | #elif defined SIGARRAYSIZE |
252 | #elif defined SIGARRAYSIZE |
242 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
253 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
243 | #elif defined _sys_nsig |
254 | #elif defined _sys_nsig |
244 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
255 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
245 | #else |
256 | #else |
246 | # error "unable to find value for NSIG, please report" |
257 | # 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 |
258 | #endif |
251 | |
259 | |
252 | #ifndef EV_USE_FLOOR |
260 | #ifndef EV_USE_FLOOR |
253 | # define EV_USE_FLOOR 0 |
261 | # define EV_USE_FLOOR 0 |
254 | #endif |
262 | #endif |
255 | |
263 | |
256 | #ifndef EV_USE_CLOCK_SYSCALL |
264 | #ifndef EV_USE_CLOCK_SYSCALL |
257 | # if __linux && __GLIBC__ >= 2 |
265 | # if __linux && __GLIBC__ == 2 && __GLIBC_MINOR__ < 17 |
258 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
266 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
259 | # else |
267 | # else |
260 | # define EV_USE_CLOCK_SYSCALL 0 |
268 | # define EV_USE_CLOCK_SYSCALL 0 |
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269 | # endif |
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270 | #endif |
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271 | |
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272 | #if !(_POSIX_TIMERS > 0) |
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273 | # ifndef EV_USE_MONOTONIC |
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274 | # define EV_USE_MONOTONIC 0 |
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275 | # endif |
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276 | # ifndef EV_USE_REALTIME |
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277 | # define EV_USE_REALTIME 0 |
261 | # endif |
278 | # endif |
262 | #endif |
279 | #endif |
263 | |
280 | |
264 | #ifndef EV_USE_MONOTONIC |
281 | #ifndef EV_USE_MONOTONIC |
265 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
282 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
… | |
… | |
307 | |
324 | |
308 | #ifndef EV_USE_PORT |
325 | #ifndef EV_USE_PORT |
309 | # define EV_USE_PORT 0 |
326 | # define EV_USE_PORT 0 |
310 | #endif |
327 | #endif |
311 | |
328 | |
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329 | #ifndef EV_USE_LINUXAIO |
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330 | # if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */ |
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331 | # define EV_USE_LINUXAIO 1 |
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332 | # else |
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333 | # define EV_USE_LINUXAIO 0 |
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334 | # endif |
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335 | #endif |
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336 | |
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337 | #ifndef EV_USE_IOURING |
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338 | # if __linux |
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339 | # define EV_USE_IOURING 0 |
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340 | # else |
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341 | # define EV_USE_IOURING 0 |
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342 | # endif |
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343 | #endif |
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344 | |
312 | #ifndef EV_USE_INOTIFY |
345 | #ifndef EV_USE_INOTIFY |
313 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
346 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
314 | # define EV_USE_INOTIFY EV_FEATURE_OS |
347 | # define EV_USE_INOTIFY EV_FEATURE_OS |
315 | # else |
348 | # else |
316 | # define EV_USE_INOTIFY 0 |
349 | # define EV_USE_INOTIFY 0 |
… | |
… | |
357 | |
390 | |
358 | #ifndef EV_HEAP_CACHE_AT |
391 | #ifndef EV_HEAP_CACHE_AT |
359 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
392 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
360 | #endif |
393 | #endif |
361 | |
394 | |
362 | #ifdef ANDROID |
395 | #ifdef __ANDROID__ |
363 | /* supposedly, android doesn't typedef fd_mask */ |
396 | /* supposedly, android doesn't typedef fd_mask */ |
364 | # undef EV_USE_SELECT |
397 | # undef EV_USE_SELECT |
365 | # define EV_USE_SELECT 0 |
398 | # define EV_USE_SELECT 0 |
366 | /* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */ |
399 | /* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */ |
367 | # undef EV_USE_CLOCK_SYSCALL |
400 | # undef EV_USE_CLOCK_SYSCALL |
… | |
… | |
381 | # include <sys/syscall.h> |
414 | # include <sys/syscall.h> |
382 | # ifdef SYS_clock_gettime |
415 | # ifdef SYS_clock_gettime |
383 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
416 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
384 | # undef EV_USE_MONOTONIC |
417 | # undef EV_USE_MONOTONIC |
385 | # define EV_USE_MONOTONIC 1 |
418 | # define EV_USE_MONOTONIC 1 |
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419 | # define EV_NEED_SYSCALL 1 |
386 | # else |
420 | # else |
387 | # undef EV_USE_CLOCK_SYSCALL |
421 | # undef EV_USE_CLOCK_SYSCALL |
388 | # define EV_USE_CLOCK_SYSCALL 0 |
422 | # define EV_USE_CLOCK_SYSCALL 0 |
389 | # endif |
423 | # endif |
390 | #endif |
424 | #endif |
… | |
… | |
408 | |
442 | |
409 | #if !EV_USE_NANOSLEEP |
443 | #if !EV_USE_NANOSLEEP |
410 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
444 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
411 | # if !defined _WIN32 && !defined __hpux |
445 | # if !defined _WIN32 && !defined __hpux |
412 | # include <sys/select.h> |
446 | # include <sys/select.h> |
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447 | # endif |
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448 | #endif |
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449 | |
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450 | #if EV_USE_LINUXAIO |
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451 | # include <sys/syscall.h> |
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452 | # if !SYS_io_getevents || !EV_USE_EPOLL /* ev_linxaio uses ev_poll.c:ev_epoll_create */ |
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453 | # undef EV_USE_LINUXAIO |
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454 | # define EV_USE_LINUXAIO 0 |
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455 | # else |
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456 | # define EV_NEED_SYSCALL 1 |
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457 | # endif |
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458 | #endif |
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459 | |
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460 | #if EV_USE_IOURING |
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461 | # include <sys/syscall.h> |
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462 | # if !__alpha && !SYS_io_uring_setup |
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463 | # define SYS_io_uring_setup 425 |
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464 | # define SYS_io_uring_enter 426 |
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465 | # define SYS_io_uring_wregister 427 |
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466 | # endif |
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467 | # if SYS_io_uring_setup |
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468 | # define EV_NEED_SYSCALL 1 |
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469 | # else |
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470 | # undef EV_USE_IOURING |
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471 | # define EV_USE_IOURING 0 |
413 | # endif |
472 | # endif |
414 | #endif |
473 | #endif |
415 | |
474 | |
416 | #if EV_USE_INOTIFY |
475 | #if EV_USE_INOTIFY |
417 | # include <sys/statfs.h> |
476 | # include <sys/statfs.h> |
… | |
… | |
459 | uint32_t ssi_signo; |
518 | uint32_t ssi_signo; |
460 | char pad[128 - sizeof (uint32_t)]; |
519 | char pad[128 - sizeof (uint32_t)]; |
461 | }; |
520 | }; |
462 | #endif |
521 | #endif |
463 | |
522 | |
464 | /**/ |
523 | /*****************************************************************************/ |
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524 | |
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525 | #if EV_NEED_SYSCALL |
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526 | |
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527 | #include <sys/syscall.h> |
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528 | |
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529 | /* |
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530 | * define some syscall wrappers for common architectures |
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531 | * this is mostly for nice looks during debugging, not performance. |
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532 | * our syscalls return < 0, not == -1, on error. which is good |
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533 | * enough for linux aio. |
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534 | * TODO: arm is also common nowadays, maybe even mips and x86 |
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535 | * TODO: after implementing this, it suddenly looks like overkill, but its hard to remove... |
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536 | */ |
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537 | #if __GNUC__ && __linux && ECB_AMD64 && !defined __OPTIMIZE_SIZE__ |
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538 | /* the costly errno access probably kills this for size optimisation */ |
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539 | |
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540 | #define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5) \ |
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541 | ({ \ |
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542 | long res; \ |
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543 | register unsigned long r5 __asm__ ("r8" ); \ |
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544 | register unsigned long r4 __asm__ ("r10"); \ |
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545 | register unsigned long r3 __asm__ ("rdx"); \ |
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546 | register unsigned long r2 __asm__ ("rsi"); \ |
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547 | register unsigned long r1 __asm__ ("rdi"); \ |
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548 | if (narg >= 5) r5 = (unsigned long)(arg5); \ |
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549 | if (narg >= 4) r4 = (unsigned long)(arg4); \ |
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550 | if (narg >= 3) r3 = (unsigned long)(arg3); \ |
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551 | if (narg >= 2) r2 = (unsigned long)(arg2); \ |
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552 | if (narg >= 1) r1 = (unsigned long)(arg1); \ |
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553 | __asm__ __volatile__ ( \ |
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554 | "syscall\n\t" \ |
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555 | : "=a" (res) \ |
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556 | : "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \ |
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557 | : "cc", "r11", "cx", "memory"); \ |
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558 | errno = -res; \ |
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559 | res; \ |
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560 | }) |
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561 | |
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562 | #endif |
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563 | |
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564 | #ifdef ev_syscall |
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565 | #define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0 |
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566 | #define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0) |
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567 | #define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0) |
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568 | #define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0) |
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569 | #define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0) |
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570 | #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5) |
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571 | #else |
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572 | #define ev_syscall0(nr) syscall (nr) |
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573 | #define ev_syscall1(nr,arg1) syscall (nr, arg1) |
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574 | #define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2) |
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575 | #define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3) |
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576 | #define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4) |
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577 | #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5) |
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578 | #endif |
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579 | |
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580 | #endif |
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581 | |
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582 | /*****************************************************************************/ |
465 | |
583 | |
466 | #if EV_VERIFY >= 3 |
584 | #if EV_VERIFY >= 3 |
467 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
585 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
468 | #else |
586 | #else |
469 | # define EV_FREQUENT_CHECK do { } while (0) |
587 | # define EV_FREQUENT_CHECK do { } while (0) |
… | |
… | |
485 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
603 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
486 | /* ECB.H BEGIN */ |
604 | /* ECB.H BEGIN */ |
487 | /* |
605 | /* |
488 | * libecb - http://software.schmorp.de/pkg/libecb |
606 | * libecb - http://software.schmorp.de/pkg/libecb |
489 | * |
607 | * |
490 | * Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de> |
608 | * Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de> |
491 | * Copyright (©) 2011 Emanuele Giaquinta |
609 | * Copyright (©) 2011 Emanuele Giaquinta |
492 | * All rights reserved. |
610 | * All rights reserved. |
493 | * |
611 | * |
494 | * Redistribution and use in source and binary forms, with or without modifica- |
612 | * Redistribution and use in source and binary forms, with or without modifica- |
495 | * tion, are permitted provided that the following conditions are met: |
613 | * tion, are permitted provided that the following conditions are met: |
… | |
… | |
509 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
627 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
510 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
628 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
511 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
629 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
512 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
630 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
513 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
631 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
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632 | * |
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633 | * Alternatively, the contents of this file may be used under the terms of |
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634 | * the GNU General Public License ("GPL") version 2 or any later version, |
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635 | * in which case the provisions of the GPL are applicable instead of |
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636 | * the above. If you wish to allow the use of your version of this file |
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637 | * only under the terms of the GPL and not to allow others to use your |
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638 | * version of this file under the BSD license, indicate your decision |
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639 | * by deleting the provisions above and replace them with the notice |
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640 | * and other provisions required by the GPL. If you do not delete the |
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641 | * provisions above, a recipient may use your version of this file under |
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642 | * either the BSD or the GPL. |
514 | */ |
643 | */ |
515 | |
644 | |
516 | #ifndef ECB_H |
645 | #ifndef ECB_H |
517 | #define ECB_H |
646 | #define ECB_H |
518 | |
647 | |
519 | /* 16 bits major, 16 bits minor */ |
648 | /* 16 bits major, 16 bits minor */ |
520 | #define ECB_VERSION 0x00010002 |
649 | #define ECB_VERSION 0x00010006 |
521 | |
650 | |
522 | #ifdef _WIN32 |
651 | #ifdef _WIN32 |
523 | typedef signed char int8_t; |
652 | typedef signed char int8_t; |
524 | typedef unsigned char uint8_t; |
653 | typedef unsigned char uint8_t; |
525 | typedef signed short int16_t; |
654 | typedef signed short int16_t; |
… | |
… | |
542 | typedef uint32_t uintptr_t; |
671 | typedef uint32_t uintptr_t; |
543 | typedef int32_t intptr_t; |
672 | typedef int32_t intptr_t; |
544 | #endif |
673 | #endif |
545 | #else |
674 | #else |
546 | #include <inttypes.h> |
675 | #include <inttypes.h> |
547 | #if UINTMAX_MAX > 0xffffffffU |
676 | #if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU |
548 | #define ECB_PTRSIZE 8 |
677 | #define ECB_PTRSIZE 8 |
549 | #else |
678 | #else |
550 | #define ECB_PTRSIZE 4 |
679 | #define ECB_PTRSIZE 4 |
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680 | #endif |
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681 | #endif |
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682 | |
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683 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
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684 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
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685 | |
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686 | /* work around x32 idiocy by defining proper macros */ |
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687 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
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688 | #if _ILP32 |
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689 | #define ECB_AMD64_X32 1 |
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690 | #else |
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691 | #define ECB_AMD64 1 |
551 | #endif |
692 | #endif |
552 | #endif |
693 | #endif |
553 | |
694 | |
554 | /* many compilers define _GNUC_ to some versions but then only implement |
695 | /* many compilers define _GNUC_ to some versions but then only implement |
555 | * what their idiot authors think are the "more important" extensions, |
696 | * what their idiot authors think are the "more important" extensions, |
556 | * causing enormous grief in return for some better fake benchmark numbers. |
697 | * causing enormous grief in return for some better fake benchmark numbers. |
557 | * or so. |
698 | * or so. |
558 | * we try to detect these and simply assume they are not gcc - if they have |
699 | * we try to detect these and simply assume they are not gcc - if they have |
559 | * an issue with that they should have done it right in the first place. |
700 | * an issue with that they should have done it right in the first place. |
560 | */ |
701 | */ |
561 | #ifndef ECB_GCC_VERSION |
|
|
562 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
702 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
563 | #define ECB_GCC_VERSION(major,minor) 0 |
703 | #define ECB_GCC_VERSION(major,minor) 0 |
564 | #else |
704 | #else |
565 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
705 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
566 | #endif |
706 | #endif |
567 | #endif |
|
|
568 | |
707 | |
569 | #define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */ |
708 | #define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor))) |
570 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
709 | |
571 | #define ECB_C11 (__STDC_VERSION__ >= 201112L) |
710 | #if __clang__ && defined __has_builtin |
|
|
711 | #define ECB_CLANG_BUILTIN(x) __has_builtin (x) |
|
|
712 | #else |
|
|
713 | #define ECB_CLANG_BUILTIN(x) 0 |
|
|
714 | #endif |
|
|
715 | |
|
|
716 | #if __clang__ && defined __has_extension |
|
|
717 | #define ECB_CLANG_EXTENSION(x) __has_extension (x) |
|
|
718 | #else |
|
|
719 | #define ECB_CLANG_EXTENSION(x) 0 |
|
|
720 | #endif |
|
|
721 | |
572 | #define ECB_CPP (__cplusplus+0) |
722 | #define ECB_CPP (__cplusplus+0) |
573 | #define ECB_CPP11 (__cplusplus >= 201103L) |
723 | #define ECB_CPP11 (__cplusplus >= 201103L) |
|
|
724 | #define ECB_CPP14 (__cplusplus >= 201402L) |
|
|
725 | #define ECB_CPP17 (__cplusplus >= 201703L) |
|
|
726 | |
|
|
727 | #if ECB_CPP |
|
|
728 | #define ECB_C 0 |
|
|
729 | #define ECB_STDC_VERSION 0 |
|
|
730 | #else |
|
|
731 | #define ECB_C 1 |
|
|
732 | #define ECB_STDC_VERSION __STDC_VERSION__ |
|
|
733 | #endif |
|
|
734 | |
|
|
735 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
|
|
736 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
|
|
737 | #define ECB_C17 (ECB_STDC_VERSION >= 201710L) |
574 | |
738 | |
575 | #if ECB_CPP |
739 | #if ECB_CPP |
576 | #define ECB_EXTERN_C extern "C" |
740 | #define ECB_EXTERN_C extern "C" |
577 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
741 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
578 | #define ECB_EXTERN_C_END } |
742 | #define ECB_EXTERN_C_END } |
… | |
… | |
593 | |
757 | |
594 | #if ECB_NO_SMP |
758 | #if ECB_NO_SMP |
595 | #define ECB_MEMORY_FENCE do { } while (0) |
759 | #define ECB_MEMORY_FENCE do { } while (0) |
596 | #endif |
760 | #endif |
597 | |
761 | |
|
|
762 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */ |
|
|
763 | #if __xlC__ && ECB_CPP |
|
|
764 | #include <builtins.h> |
|
|
765 | #endif |
|
|
766 | |
|
|
767 | #if 1400 <= _MSC_VER |
|
|
768 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
|
|
769 | #endif |
|
|
770 | |
598 | #ifndef ECB_MEMORY_FENCE |
771 | #ifndef ECB_MEMORY_FENCE |
599 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
772 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
|
|
773 | #define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory") |
600 | #if __i386 || __i386__ |
774 | #if __i386 || __i386__ |
601 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
775 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
602 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
776 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
603 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
777 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
604 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
778 | #elif ECB_GCC_AMD64 |
605 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
779 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
606 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
780 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
607 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
781 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
608 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
782 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
609 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
783 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
|
|
784 | #elif defined __ARM_ARCH_2__ \ |
|
|
785 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
|
|
786 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
|
|
787 | || defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \ |
|
|
788 | || defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \ |
|
|
789 | || defined __ARM_ARCH_5TEJ__ |
|
|
790 | /* should not need any, unless running old code on newer cpu - arm doesn't support that */ |
610 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
791 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
611 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
792 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \ |
|
|
793 | || defined __ARM_ARCH_6T2__ |
612 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
794 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
613 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
795 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
614 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
796 | || defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__ |
615 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
797 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
616 | #elif __sparc || __sparc__ |
798 | #elif __aarch64__ |
|
|
799 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory") |
|
|
800 | #elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8) |
617 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
801 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
618 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
802 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
619 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
803 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
620 | #elif defined __s390__ || defined __s390x__ |
804 | #elif defined __s390__ || defined __s390x__ |
621 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
805 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
622 | #elif defined __mips__ |
806 | #elif defined __mips__ |
|
|
807 | /* GNU/Linux emulates sync on mips1 architectures, so we force its use */ |
|
|
808 | /* anybody else who still uses mips1 is supposed to send in their version, with detection code. */ |
623 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
809 | #define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory") |
624 | #elif defined __alpha__ |
810 | #elif defined __alpha__ |
625 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
811 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
626 | #elif defined __hppa__ |
812 | #elif defined __hppa__ |
627 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
813 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
628 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
814 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
629 | #elif defined __ia64__ |
815 | #elif defined __ia64__ |
630 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory") |
816 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory") |
|
|
817 | #elif defined __m68k__ |
|
|
818 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
|
|
819 | #elif defined __m88k__ |
|
|
820 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory") |
|
|
821 | #elif defined __sh__ |
|
|
822 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
631 | #endif |
823 | #endif |
632 | #endif |
824 | #endif |
633 | #endif |
825 | #endif |
634 | |
826 | |
635 | #ifndef ECB_MEMORY_FENCE |
827 | #ifndef ECB_MEMORY_FENCE |
636 | #if ECB_GCC_VERSION(4,7) |
828 | #if ECB_GCC_VERSION(4,7) |
637 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
829 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
638 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
830 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
831 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
|
|
832 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
833 | #define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED) |
639 | |
834 | |
640 | /* The __has_feature syntax from clang is so misdesigned that we cannot use it |
835 | #elif ECB_CLANG_EXTENSION(c_atomic) |
641 | * without risking compile time errors with other compilers. We *could* |
|
|
642 | * define our own ecb_clang_has_feature, but I just can't be bothered to work |
|
|
643 | * around this shit time and again. |
|
|
644 | * #elif defined __clang && __has_feature (cxx_atomic) |
|
|
645 | * // see comment below (stdatomic.h) about the C11 memory model. |
836 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
646 | * #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
837 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
647 | */ |
838 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
|
|
839 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
840 | #define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED) |
648 | |
841 | |
649 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
842 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
650 | #define ECB_MEMORY_FENCE __sync_synchronize () |
843 | #define ECB_MEMORY_FENCE __sync_synchronize () |
|
|
844 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
|
|
845 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
|
|
846 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
|
|
847 | #define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier() |
|
|
848 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */ |
|
|
849 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier() |
651 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
850 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
652 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
851 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
653 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
852 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
654 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
853 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
655 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
854 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
656 | #elif defined _WIN32 |
855 | #elif defined _WIN32 |
657 | #include <WinNT.h> |
856 | #include <WinNT.h> |
658 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
857 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
659 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
858 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
660 | #include <mbarrier.h> |
859 | #include <mbarrier.h> |
661 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
860 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
662 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
861 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier () |
663 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
862 | #define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier () |
|
|
863 | #define ECB_MEMORY_FENCE_RELAXED __compiler_barrier () |
664 | #elif __xlC__ |
864 | #elif __xlC__ |
665 | #define ECB_MEMORY_FENCE __sync () |
865 | #define ECB_MEMORY_FENCE __sync () |
666 | #endif |
866 | #endif |
667 | #endif |
867 | #endif |
668 | |
868 | |
669 | #ifndef ECB_MEMORY_FENCE |
869 | #ifndef ECB_MEMORY_FENCE |
670 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
870 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
671 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
871 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
672 | /* not just C11 atomics and atomic accesses */ |
872 | /* not just C11 atomics and atomic accesses */ |
673 | #include <stdatomic.h> |
873 | #include <stdatomic.h> |
674 | /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */ |
|
|
675 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
|
|
676 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
|
|
677 | /* for most usages, or gcc and clang have a bug */ |
|
|
678 | /* I *currently* lean towards the latter, and inefficiently implement */ |
|
|
679 | /* all three of ecb's fences as a seq_cst fence */ |
|
|
680 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
874 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
|
|
875 | #define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire) |
|
|
876 | #define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release) |
681 | #endif |
877 | #endif |
682 | #endif |
878 | #endif |
683 | |
879 | |
684 | #ifndef ECB_MEMORY_FENCE |
880 | #ifndef ECB_MEMORY_FENCE |
685 | #if !ECB_AVOID_PTHREADS |
881 | #if !ECB_AVOID_PTHREADS |
… | |
… | |
705 | |
901 | |
706 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
902 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
707 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
903 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
708 | #endif |
904 | #endif |
709 | |
905 | |
|
|
906 | #if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE |
|
|
907 | #define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */ |
|
|
908 | #endif |
|
|
909 | |
710 | /*****************************************************************************/ |
910 | /*****************************************************************************/ |
711 | |
911 | |
712 | #if __cplusplus |
912 | #if ECB_CPP |
713 | #define ecb_inline static inline |
913 | #define ecb_inline static inline |
714 | #elif ECB_GCC_VERSION(2,5) |
914 | #elif ECB_GCC_VERSION(2,5) |
715 | #define ecb_inline static __inline__ |
915 | #define ecb_inline static __inline__ |
716 | #elif ECB_C99 |
916 | #elif ECB_C99 |
717 | #define ecb_inline static inline |
917 | #define ecb_inline static inline |
… | |
… | |
731 | |
931 | |
732 | #define ECB_CONCAT_(a, b) a ## b |
932 | #define ECB_CONCAT_(a, b) a ## b |
733 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
933 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
734 | #define ECB_STRINGIFY_(a) # a |
934 | #define ECB_STRINGIFY_(a) # a |
735 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
935 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
|
|
936 | #define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr)) |
736 | |
937 | |
737 | #define ecb_function_ ecb_inline |
938 | #define ecb_function_ ecb_inline |
738 | |
939 | |
739 | #if ECB_GCC_VERSION(3,1) |
940 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8) |
740 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
941 | #define ecb_attribute(attrlist) __attribute__ (attrlist) |
|
|
942 | #else |
|
|
943 | #define ecb_attribute(attrlist) |
|
|
944 | #endif |
|
|
945 | |
|
|
946 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p) |
741 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
947 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
|
|
948 | #else |
|
|
949 | /* possible C11 impl for integral types |
|
|
950 | typedef struct ecb_is_constant_struct ecb_is_constant_struct; |
|
|
951 | #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */ |
|
|
952 | |
|
|
953 | #define ecb_is_constant(expr) 0 |
|
|
954 | #endif |
|
|
955 | |
|
|
956 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect) |
742 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
957 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
958 | #else |
|
|
959 | #define ecb_expect(expr,value) (expr) |
|
|
960 | #endif |
|
|
961 | |
|
|
962 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch) |
743 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
963 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
744 | #else |
964 | #else |
745 | #define ecb_attribute(attrlist) |
|
|
746 | #define ecb_is_constant(expr) 0 |
|
|
747 | #define ecb_expect(expr,value) (expr) |
|
|
748 | #define ecb_prefetch(addr,rw,locality) |
965 | #define ecb_prefetch(addr,rw,locality) |
749 | #endif |
966 | #endif |
750 | |
967 | |
751 | /* no emulation for ecb_decltype */ |
968 | /* no emulation for ecb_decltype */ |
752 | #if ECB_GCC_VERSION(4,5) |
969 | #if ECB_CPP11 |
|
|
970 | // older implementations might have problems with decltype(x)::type, work around it |
|
|
971 | template<class T> struct ecb_decltype_t { typedef T type; }; |
753 | #define ecb_decltype(x) __decltype(x) |
972 | #define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type |
754 | #elif ECB_GCC_VERSION(3,0) |
973 | #elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8) |
755 | #define ecb_decltype(x) __typeof(x) |
974 | #define ecb_decltype(x) __typeof__ (x) |
756 | #endif |
975 | #endif |
757 | |
976 | |
|
|
977 | #if _MSC_VER >= 1300 |
|
|
978 | #define ecb_deprecated __declspec (deprecated) |
|
|
979 | #else |
|
|
980 | #define ecb_deprecated ecb_attribute ((__deprecated__)) |
|
|
981 | #endif |
|
|
982 | |
|
|
983 | #if _MSC_VER >= 1500 |
|
|
984 | #define ecb_deprecated_message(msg) __declspec (deprecated (msg)) |
|
|
985 | #elif ECB_GCC_VERSION(4,5) |
|
|
986 | #define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg)) |
|
|
987 | #else |
|
|
988 | #define ecb_deprecated_message(msg) ecb_deprecated |
|
|
989 | #endif |
|
|
990 | |
|
|
991 | #if _MSC_VER >= 1400 |
|
|
992 | #define ecb_noinline __declspec (noinline) |
|
|
993 | #else |
758 | #define ecb_noinline ecb_attribute ((__noinline__)) |
994 | #define ecb_noinline ecb_attribute ((__noinline__)) |
|
|
995 | #endif |
|
|
996 | |
759 | #define ecb_unused ecb_attribute ((__unused__)) |
997 | #define ecb_unused ecb_attribute ((__unused__)) |
760 | #define ecb_const ecb_attribute ((__const__)) |
998 | #define ecb_const ecb_attribute ((__const__)) |
761 | #define ecb_pure ecb_attribute ((__pure__)) |
999 | #define ecb_pure ecb_attribute ((__pure__)) |
762 | |
1000 | |
763 | #if ECB_C11 |
1001 | #if ECB_C11 || __IBMC_NORETURN |
|
|
1002 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */ |
764 | #define ecb_noreturn _Noreturn |
1003 | #define ecb_noreturn _Noreturn |
|
|
1004 | #elif ECB_CPP11 |
|
|
1005 | #define ecb_noreturn [[noreturn]] |
|
|
1006 | #elif _MSC_VER >= 1200 |
|
|
1007 | /* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */ |
|
|
1008 | #define ecb_noreturn __declspec (noreturn) |
765 | #else |
1009 | #else |
766 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
1010 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
767 | #endif |
1011 | #endif |
768 | |
1012 | |
769 | #if ECB_GCC_VERSION(4,3) |
1013 | #if ECB_GCC_VERSION(4,3) |
… | |
… | |
784 | /* for compatibility to the rest of the world */ |
1028 | /* for compatibility to the rest of the world */ |
785 | #define ecb_likely(expr) ecb_expect_true (expr) |
1029 | #define ecb_likely(expr) ecb_expect_true (expr) |
786 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
1030 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
787 | |
1031 | |
788 | /* count trailing zero bits and count # of one bits */ |
1032 | /* count trailing zero bits and count # of one bits */ |
789 | #if ECB_GCC_VERSION(3,4) |
1033 | #if ECB_GCC_VERSION(3,4) \ |
|
|
1034 | || (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \ |
|
|
1035 | && ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \ |
|
|
1036 | && ECB_CLANG_BUILTIN(__builtin_popcount)) |
790 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
1037 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
791 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
1038 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
792 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
1039 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
793 | #define ecb_ctz32(x) __builtin_ctz (x) |
1040 | #define ecb_ctz32(x) __builtin_ctz (x) |
794 | #define ecb_ctz64(x) __builtin_ctzll (x) |
1041 | #define ecb_ctz64(x) __builtin_ctzll (x) |
795 | #define ecb_popcount32(x) __builtin_popcount (x) |
1042 | #define ecb_popcount32(x) __builtin_popcount (x) |
796 | /* no popcountll */ |
1043 | /* no popcountll */ |
797 | #else |
1044 | #else |
798 | ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const; |
1045 | ecb_function_ ecb_const int ecb_ctz32 (uint32_t x); |
799 | ecb_function_ int |
1046 | ecb_function_ ecb_const int |
800 | ecb_ctz32 (uint32_t x) |
1047 | ecb_ctz32 (uint32_t x) |
801 | { |
1048 | { |
|
|
1049 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
1050 | unsigned long r; |
|
|
1051 | _BitScanForward (&r, x); |
|
|
1052 | return (int)r; |
|
|
1053 | #else |
802 | int r = 0; |
1054 | int r = 0; |
803 | |
1055 | |
804 | x &= ~x + 1; /* this isolates the lowest bit */ |
1056 | x &= ~x + 1; /* this isolates the lowest bit */ |
805 | |
1057 | |
806 | #if ECB_branchless_on_i386 |
1058 | #if ECB_branchless_on_i386 |
… | |
… | |
816 | if (x & 0xff00ff00) r += 8; |
1068 | if (x & 0xff00ff00) r += 8; |
817 | if (x & 0xffff0000) r += 16; |
1069 | if (x & 0xffff0000) r += 16; |
818 | #endif |
1070 | #endif |
819 | |
1071 | |
820 | return r; |
1072 | return r; |
|
|
1073 | #endif |
821 | } |
1074 | } |
822 | |
1075 | |
823 | ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const; |
1076 | ecb_function_ ecb_const int ecb_ctz64 (uint64_t x); |
824 | ecb_function_ int |
1077 | ecb_function_ ecb_const int |
825 | ecb_ctz64 (uint64_t x) |
1078 | ecb_ctz64 (uint64_t x) |
826 | { |
1079 | { |
|
|
1080 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
1081 | unsigned long r; |
|
|
1082 | _BitScanForward64 (&r, x); |
|
|
1083 | return (int)r; |
|
|
1084 | #else |
827 | int shift = x & 0xffffffffU ? 0 : 32; |
1085 | int shift = x & 0xffffffff ? 0 : 32; |
828 | return ecb_ctz32 (x >> shift) + shift; |
1086 | return ecb_ctz32 (x >> shift) + shift; |
|
|
1087 | #endif |
829 | } |
1088 | } |
830 | |
1089 | |
831 | ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const; |
1090 | ecb_function_ ecb_const int ecb_popcount32 (uint32_t x); |
832 | ecb_function_ int |
1091 | ecb_function_ ecb_const int |
833 | ecb_popcount32 (uint32_t x) |
1092 | ecb_popcount32 (uint32_t x) |
834 | { |
1093 | { |
835 | x -= (x >> 1) & 0x55555555; |
1094 | x -= (x >> 1) & 0x55555555; |
836 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
1095 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
837 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
1096 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
838 | x *= 0x01010101; |
1097 | x *= 0x01010101; |
839 | |
1098 | |
840 | return x >> 24; |
1099 | return x >> 24; |
841 | } |
1100 | } |
842 | |
1101 | |
843 | ecb_function_ int ecb_ld32 (uint32_t x) ecb_const; |
1102 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x); |
844 | ecb_function_ int ecb_ld32 (uint32_t x) |
1103 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x) |
845 | { |
1104 | { |
|
|
1105 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
1106 | unsigned long r; |
|
|
1107 | _BitScanReverse (&r, x); |
|
|
1108 | return (int)r; |
|
|
1109 | #else |
846 | int r = 0; |
1110 | int r = 0; |
847 | |
1111 | |
848 | if (x >> 16) { x >>= 16; r += 16; } |
1112 | if (x >> 16) { x >>= 16; r += 16; } |
849 | if (x >> 8) { x >>= 8; r += 8; } |
1113 | if (x >> 8) { x >>= 8; r += 8; } |
850 | if (x >> 4) { x >>= 4; r += 4; } |
1114 | if (x >> 4) { x >>= 4; r += 4; } |
851 | if (x >> 2) { x >>= 2; r += 2; } |
1115 | if (x >> 2) { x >>= 2; r += 2; } |
852 | if (x >> 1) { r += 1; } |
1116 | if (x >> 1) { r += 1; } |
853 | |
1117 | |
854 | return r; |
1118 | return r; |
|
|
1119 | #endif |
855 | } |
1120 | } |
856 | |
1121 | |
857 | ecb_function_ int ecb_ld64 (uint64_t x) ecb_const; |
1122 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x); |
858 | ecb_function_ int ecb_ld64 (uint64_t x) |
1123 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x) |
859 | { |
1124 | { |
|
|
1125 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
1126 | unsigned long r; |
|
|
1127 | _BitScanReverse64 (&r, x); |
|
|
1128 | return (int)r; |
|
|
1129 | #else |
860 | int r = 0; |
1130 | int r = 0; |
861 | |
1131 | |
862 | if (x >> 32) { x >>= 32; r += 32; } |
1132 | if (x >> 32) { x >>= 32; r += 32; } |
863 | |
1133 | |
864 | return r + ecb_ld32 (x); |
1134 | return r + ecb_ld32 (x); |
|
|
1135 | #endif |
865 | } |
1136 | } |
866 | #endif |
1137 | #endif |
867 | |
1138 | |
868 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const; |
1139 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x); |
869 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
1140 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
870 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const; |
1141 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x); |
871 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
1142 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
872 | |
1143 | |
873 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
1144 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x); |
874 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
1145 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x) |
875 | { |
1146 | { |
876 | return ( (x * 0x0802U & 0x22110U) |
1147 | return ( (x * 0x0802U & 0x22110U) |
877 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
1148 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
878 | } |
1149 | } |
879 | |
1150 | |
880 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const; |
1151 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x); |
881 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) |
1152 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x) |
882 | { |
1153 | { |
883 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
1154 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
884 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
1155 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
885 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
1156 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
886 | x = ( x >> 8 ) | ( x << 8); |
1157 | x = ( x >> 8 ) | ( x << 8); |
887 | |
1158 | |
888 | return x; |
1159 | return x; |
889 | } |
1160 | } |
890 | |
1161 | |
891 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const; |
1162 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x); |
892 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) |
1163 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x) |
893 | { |
1164 | { |
894 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
1165 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
895 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
1166 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
896 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
1167 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
897 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
1168 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
… | |
… | |
900 | return x; |
1171 | return x; |
901 | } |
1172 | } |
902 | |
1173 | |
903 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
1174 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
904 | /* so for this version we are lazy */ |
1175 | /* so for this version we are lazy */ |
905 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
1176 | ecb_function_ ecb_const int ecb_popcount64 (uint64_t x); |
906 | ecb_function_ int |
1177 | ecb_function_ ecb_const int |
907 | ecb_popcount64 (uint64_t x) |
1178 | ecb_popcount64 (uint64_t x) |
908 | { |
1179 | { |
909 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
1180 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
910 | } |
1181 | } |
911 | |
1182 | |
912 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const; |
1183 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count); |
913 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const; |
1184 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count); |
914 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const; |
1185 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count); |
915 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const; |
1186 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count); |
916 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const; |
1187 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count); |
917 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const; |
1188 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count); |
918 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const; |
1189 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count); |
919 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const; |
1190 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count); |
920 | |
1191 | |
921 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
1192 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
922 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
1193 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
923 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
1194 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
924 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
1195 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
925 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
1196 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
926 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
1197 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
927 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
1198 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
928 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
1199 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
929 | |
1200 | |
930 | #if ECB_GCC_VERSION(4,3) |
1201 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
|
|
1202 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
|
|
1203 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
|
|
1204 | #else |
931 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
1205 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
|
|
1206 | #endif |
932 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
1207 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
933 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
1208 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
|
|
1209 | #elif _MSC_VER |
|
|
1210 | #include <stdlib.h> |
|
|
1211 | #define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x))) |
|
|
1212 | #define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x))) |
|
|
1213 | #define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x))) |
934 | #else |
1214 | #else |
935 | ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const; |
1215 | ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x); |
936 | ecb_function_ uint16_t |
1216 | ecb_function_ ecb_const uint16_t |
937 | ecb_bswap16 (uint16_t x) |
1217 | ecb_bswap16 (uint16_t x) |
938 | { |
1218 | { |
939 | return ecb_rotl16 (x, 8); |
1219 | return ecb_rotl16 (x, 8); |
940 | } |
1220 | } |
941 | |
1221 | |
942 | ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const; |
1222 | ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x); |
943 | ecb_function_ uint32_t |
1223 | ecb_function_ ecb_const uint32_t |
944 | ecb_bswap32 (uint32_t x) |
1224 | ecb_bswap32 (uint32_t x) |
945 | { |
1225 | { |
946 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
1226 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
947 | } |
1227 | } |
948 | |
1228 | |
949 | ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const; |
1229 | ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x); |
950 | ecb_function_ uint64_t |
1230 | ecb_function_ ecb_const uint64_t |
951 | ecb_bswap64 (uint64_t x) |
1231 | ecb_bswap64 (uint64_t x) |
952 | { |
1232 | { |
953 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
1233 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
954 | } |
1234 | } |
955 | #endif |
1235 | #endif |
956 | |
1236 | |
957 | #if ECB_GCC_VERSION(4,5) |
1237 | #if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable) |
958 | #define ecb_unreachable() __builtin_unreachable () |
1238 | #define ecb_unreachable() __builtin_unreachable () |
959 | #else |
1239 | #else |
960 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
1240 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
961 | ecb_inline void ecb_unreachable (void) ecb_noreturn; |
1241 | ecb_inline ecb_noreturn void ecb_unreachable (void); |
962 | ecb_inline void ecb_unreachable (void) { } |
1242 | ecb_inline ecb_noreturn void ecb_unreachable (void) { } |
963 | #endif |
1243 | #endif |
964 | |
1244 | |
965 | /* try to tell the compiler that some condition is definitely true */ |
1245 | /* try to tell the compiler that some condition is definitely true */ |
966 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
1246 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
967 | |
1247 | |
968 | ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; |
1248 | ecb_inline ecb_const uint32_t ecb_byteorder_helper (void); |
969 | ecb_inline unsigned char |
1249 | ecb_inline ecb_const uint32_t |
970 | ecb_byteorder_helper (void) |
1250 | ecb_byteorder_helper (void) |
971 | { |
1251 | { |
972 | /* the union code still generates code under pressure in gcc, */ |
1252 | /* the union code still generates code under pressure in gcc, */ |
973 | /* but less than using pointers, and always seems to */ |
1253 | /* but less than using pointers, and always seems to */ |
974 | /* successfully return a constant. */ |
1254 | /* successfully return a constant. */ |
975 | /* the reason why we have this horrible preprocessor mess */ |
1255 | /* the reason why we have this horrible preprocessor mess */ |
976 | /* is to avoid it in all cases, at least on common architectures */ |
1256 | /* is to avoid it in all cases, at least on common architectures */ |
977 | /* or when using a recent enough gcc version (>= 4.6) */ |
1257 | /* or when using a recent enough gcc version (>= 4.6) */ |
978 | #if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64 |
|
|
979 | return 0x44; |
|
|
980 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
1258 | #if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \ |
|
|
1259 | || ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__) |
|
|
1260 | #define ECB_LITTLE_ENDIAN 1 |
981 | return 0x44; |
1261 | return 0x44332211; |
982 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
1262 | #elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \ |
|
|
1263 | || ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__) |
|
|
1264 | #define ECB_BIG_ENDIAN 1 |
983 | return 0x11; |
1265 | return 0x11223344; |
984 | #else |
1266 | #else |
985 | union |
1267 | union |
986 | { |
1268 | { |
|
|
1269 | uint8_t c[4]; |
987 | uint32_t i; |
1270 | uint32_t u; |
988 | uint8_t c; |
|
|
989 | } u = { 0x11223344 }; |
1271 | } u = { 0x11, 0x22, 0x33, 0x44 }; |
990 | return u.c; |
1272 | return u.u; |
991 | #endif |
1273 | #endif |
992 | } |
1274 | } |
993 | |
1275 | |
994 | ecb_inline ecb_bool ecb_big_endian (void) ecb_const; |
1276 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
995 | ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
1277 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
996 | ecb_inline ecb_bool ecb_little_endian (void) ecb_const; |
1278 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
997 | ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
1279 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
998 | |
1280 | |
999 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1281 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1000 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1282 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1001 | #else |
1283 | #else |
1002 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1284 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1003 | #endif |
1285 | #endif |
1004 | |
1286 | |
1005 | #if __cplusplus |
1287 | #if ECB_CPP |
1006 | template<typename T> |
1288 | template<typename T> |
1007 | static inline T ecb_div_rd (T val, T div) |
1289 | static inline T ecb_div_rd (T val, T div) |
1008 | { |
1290 | { |
1009 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
1291 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
1010 | } |
1292 | } |
… | |
… | |
1027 | } |
1309 | } |
1028 | #else |
1310 | #else |
1029 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1311 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1030 | #endif |
1312 | #endif |
1031 | |
1313 | |
|
|
1314 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
|
|
1315 | ecb_function_ ecb_const uint32_t |
|
|
1316 | ecb_binary16_to_binary32 (uint32_t x) |
|
|
1317 | { |
|
|
1318 | unsigned int s = (x & 0x8000) << (31 - 15); |
|
|
1319 | int e = (x >> 10) & 0x001f; |
|
|
1320 | unsigned int m = x & 0x03ff; |
|
|
1321 | |
|
|
1322 | if (ecb_expect_false (e == 31)) |
|
|
1323 | /* infinity or NaN */ |
|
|
1324 | e = 255 - (127 - 15); |
|
|
1325 | else if (ecb_expect_false (!e)) |
|
|
1326 | { |
|
|
1327 | if (ecb_expect_true (!m)) |
|
|
1328 | /* zero, handled by code below by forcing e to 0 */ |
|
|
1329 | e = 0 - (127 - 15); |
|
|
1330 | else |
|
|
1331 | { |
|
|
1332 | /* subnormal, renormalise */ |
|
|
1333 | unsigned int s = 10 - ecb_ld32 (m); |
|
|
1334 | |
|
|
1335 | m = (m << s) & 0x3ff; /* mask implicit bit */ |
|
|
1336 | e -= s - 1; |
|
|
1337 | } |
|
|
1338 | } |
|
|
1339 | |
|
|
1340 | /* e and m now are normalised, or zero, (or inf or nan) */ |
|
|
1341 | e += 127 - 15; |
|
|
1342 | |
|
|
1343 | return s | (e << 23) | (m << (23 - 10)); |
|
|
1344 | } |
|
|
1345 | |
|
|
1346 | ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x); |
|
|
1347 | ecb_function_ ecb_const uint16_t |
|
|
1348 | ecb_binary32_to_binary16 (uint32_t x) |
|
|
1349 | { |
|
|
1350 | unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */ |
|
|
1351 | unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */ |
|
|
1352 | unsigned int m = x & 0x007fffff; |
|
|
1353 | |
|
|
1354 | x &= 0x7fffffff; |
|
|
1355 | |
|
|
1356 | /* if it's within range of binary16 normals, use fast path */ |
|
|
1357 | if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff)) |
|
|
1358 | { |
|
|
1359 | /* mantissa round-to-even */ |
|
|
1360 | m += 0x00000fff + ((m >> (23 - 10)) & 1); |
|
|
1361 | |
|
|
1362 | /* handle overflow */ |
|
|
1363 | if (ecb_expect_false (m >= 0x00800000)) |
|
|
1364 | { |
|
|
1365 | m >>= 1; |
|
|
1366 | e += 1; |
|
|
1367 | } |
|
|
1368 | |
|
|
1369 | return s | (e << 10) | (m >> (23 - 10)); |
|
|
1370 | } |
|
|
1371 | |
|
|
1372 | /* handle large numbers and infinity */ |
|
|
1373 | if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000)) |
|
|
1374 | return s | 0x7c00; |
|
|
1375 | |
|
|
1376 | /* handle zero, subnormals and small numbers */ |
|
|
1377 | if (ecb_expect_true (x < 0x38800000)) |
|
|
1378 | { |
|
|
1379 | /* zero */ |
|
|
1380 | if (ecb_expect_true (!x)) |
|
|
1381 | return s; |
|
|
1382 | |
|
|
1383 | /* handle subnormals */ |
|
|
1384 | |
|
|
1385 | /* too small, will be zero */ |
|
|
1386 | if (e < (14 - 24)) /* might not be sharp, but is good enough */ |
|
|
1387 | return s; |
|
|
1388 | |
|
|
1389 | m |= 0x00800000; /* make implicit bit explicit */ |
|
|
1390 | |
|
|
1391 | /* very tricky - we need to round to the nearest e (+10) bit value */ |
|
|
1392 | { |
|
|
1393 | unsigned int bits = 14 - e; |
|
|
1394 | unsigned int half = (1 << (bits - 1)) - 1; |
|
|
1395 | unsigned int even = (m >> bits) & 1; |
|
|
1396 | |
|
|
1397 | /* if this overflows, we will end up with a normalised number */ |
|
|
1398 | m = (m + half + even) >> bits; |
|
|
1399 | } |
|
|
1400 | |
|
|
1401 | return s | m; |
|
|
1402 | } |
|
|
1403 | |
|
|
1404 | /* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */ |
|
|
1405 | m >>= 13; |
|
|
1406 | |
|
|
1407 | return s | 0x7c00 | m | !m; |
|
|
1408 | } |
|
|
1409 | |
1032 | /*******************************************************************************/ |
1410 | /*******************************************************************************/ |
1033 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
1411 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
1034 | |
1412 | |
1035 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
1413 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
1036 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
1414 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
1037 | #if 0 \ |
1415 | #if 0 \ |
1038 | || __i386 || __i386__ \ |
1416 | || __i386 || __i386__ \ |
1039 | || __amd64 || __amd64__ || __x86_64 || __x86_64__ \ |
1417 | || ECB_GCC_AMD64 \ |
1040 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
1418 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
1041 | || defined __arm__ && defined __ARM_EABI__ \ |
|
|
1042 | || defined __s390__ || defined __s390x__ \ |
1419 | || defined __s390__ || defined __s390x__ \ |
1043 | || defined __mips__ \ |
1420 | || defined __mips__ \ |
1044 | || defined __alpha__ \ |
1421 | || defined __alpha__ \ |
1045 | || defined __hppa__ \ |
1422 | || defined __hppa__ \ |
1046 | || defined __ia64__ \ |
1423 | || defined __ia64__ \ |
|
|
1424 | || defined __m68k__ \ |
|
|
1425 | || defined __m88k__ \ |
|
|
1426 | || defined __sh__ \ |
1047 | || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 |
1427 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
|
|
1428 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
|
|
1429 | || defined __aarch64__ |
1048 | #define ECB_STDFP 1 |
1430 | #define ECB_STDFP 1 |
1049 | #include <string.h> /* for memcpy */ |
1431 | #include <string.h> /* for memcpy */ |
1050 | #else |
1432 | #else |
1051 | #define ECB_STDFP 0 |
1433 | #define ECB_STDFP 0 |
1052 | #include <math.h> /* for frexp*, ldexp* */ |
|
|
1053 | #endif |
1434 | #endif |
1054 | |
1435 | |
1055 | #ifndef ECB_NO_LIBM |
1436 | #ifndef ECB_NO_LIBM |
1056 | |
1437 | |
|
|
1438 | #include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */ |
|
|
1439 | |
|
|
1440 | /* only the oldest of old doesn't have this one. solaris. */ |
|
|
1441 | #ifdef INFINITY |
|
|
1442 | #define ECB_INFINITY INFINITY |
|
|
1443 | #else |
|
|
1444 | #define ECB_INFINITY HUGE_VAL |
|
|
1445 | #endif |
|
|
1446 | |
|
|
1447 | #ifdef NAN |
|
|
1448 | #define ECB_NAN NAN |
|
|
1449 | #else |
|
|
1450 | #define ECB_NAN ECB_INFINITY |
|
|
1451 | #endif |
|
|
1452 | |
|
|
1453 | #if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L |
|
|
1454 | #define ecb_ldexpf(x,e) ldexpf ((x), (e)) |
|
|
1455 | #define ecb_frexpf(x,e) frexpf ((x), (e)) |
|
|
1456 | #else |
|
|
1457 | #define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e)) |
|
|
1458 | #define ecb_frexpf(x,e) (float) frexp ((double) (x), (e)) |
|
|
1459 | #endif |
|
|
1460 | |
1057 | /* convert a float to ieee single/binary32 */ |
1461 | /* convert a float to ieee single/binary32 */ |
1058 | ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const; |
1462 | ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x); |
1059 | ecb_function_ uint32_t |
1463 | ecb_function_ ecb_const uint32_t |
1060 | ecb_float_to_binary32 (float x) |
1464 | ecb_float_to_binary32 (float x) |
1061 | { |
1465 | { |
1062 | uint32_t r; |
1466 | uint32_t r; |
1063 | |
1467 | |
1064 | #if ECB_STDFP |
1468 | #if ECB_STDFP |
… | |
… | |
1071 | if (x == 0e0f ) return 0x00000000U; |
1475 | if (x == 0e0f ) return 0x00000000U; |
1072 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
1476 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
1073 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
1477 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
1074 | if (x != x ) return 0x7fbfffffU; |
1478 | if (x != x ) return 0x7fbfffffU; |
1075 | |
1479 | |
1076 | m = frexpf (x, &e) * 0x1000000U; |
1480 | m = ecb_frexpf (x, &e) * 0x1000000U; |
1077 | |
1481 | |
1078 | r = m & 0x80000000U; |
1482 | r = m & 0x80000000U; |
1079 | |
1483 | |
1080 | if (r) |
1484 | if (r) |
1081 | m = -m; |
1485 | m = -m; |
… | |
… | |
1093 | |
1497 | |
1094 | return r; |
1498 | return r; |
1095 | } |
1499 | } |
1096 | |
1500 | |
1097 | /* converts an ieee single/binary32 to a float */ |
1501 | /* converts an ieee single/binary32 to a float */ |
1098 | ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const; |
1502 | ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x); |
1099 | ecb_function_ float |
1503 | ecb_function_ ecb_const float |
1100 | ecb_binary32_to_float (uint32_t x) |
1504 | ecb_binary32_to_float (uint32_t x) |
1101 | { |
1505 | { |
1102 | float r; |
1506 | float r; |
1103 | |
1507 | |
1104 | #if ECB_STDFP |
1508 | #if ECB_STDFP |
… | |
… | |
1114 | x |= 0x800000U; |
1518 | x |= 0x800000U; |
1115 | else |
1519 | else |
1116 | e = 1; |
1520 | e = 1; |
1117 | |
1521 | |
1118 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
1522 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
1119 | r = ldexpf (x * (0.5f / 0x800000U), e - 126); |
1523 | r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126); |
1120 | |
1524 | |
1121 | r = neg ? -r : r; |
1525 | r = neg ? -r : r; |
1122 | #endif |
1526 | #endif |
1123 | |
1527 | |
1124 | return r; |
1528 | return r; |
1125 | } |
1529 | } |
1126 | |
1530 | |
1127 | /* convert a double to ieee double/binary64 */ |
1531 | /* convert a double to ieee double/binary64 */ |
1128 | ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const; |
1532 | ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x); |
1129 | ecb_function_ uint64_t |
1533 | ecb_function_ ecb_const uint64_t |
1130 | ecb_double_to_binary64 (double x) |
1534 | ecb_double_to_binary64 (double x) |
1131 | { |
1535 | { |
1132 | uint64_t r; |
1536 | uint64_t r; |
1133 | |
1537 | |
1134 | #if ECB_STDFP |
1538 | #if ECB_STDFP |
… | |
… | |
1163 | |
1567 | |
1164 | return r; |
1568 | return r; |
1165 | } |
1569 | } |
1166 | |
1570 | |
1167 | /* converts an ieee double/binary64 to a double */ |
1571 | /* converts an ieee double/binary64 to a double */ |
1168 | ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const; |
1572 | ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x); |
1169 | ecb_function_ double |
1573 | ecb_function_ ecb_const double |
1170 | ecb_binary64_to_double (uint64_t x) |
1574 | ecb_binary64_to_double (uint64_t x) |
1171 | { |
1575 | { |
1172 | double r; |
1576 | double r; |
1173 | |
1577 | |
1174 | #if ECB_STDFP |
1578 | #if ECB_STDFP |
… | |
… | |
1192 | #endif |
1596 | #endif |
1193 | |
1597 | |
1194 | return r; |
1598 | return r; |
1195 | } |
1599 | } |
1196 | |
1600 | |
|
|
1601 | /* convert a float to ieee half/binary16 */ |
|
|
1602 | ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x); |
|
|
1603 | ecb_function_ ecb_const uint16_t |
|
|
1604 | ecb_float_to_binary16 (float x) |
|
|
1605 | { |
|
|
1606 | return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x)); |
|
|
1607 | } |
|
|
1608 | |
|
|
1609 | /* convert an ieee half/binary16 to float */ |
|
|
1610 | ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x); |
|
|
1611 | ecb_function_ ecb_const float |
|
|
1612 | ecb_binary16_to_float (uint16_t x) |
|
|
1613 | { |
|
|
1614 | return ecb_binary32_to_float (ecb_binary16_to_binary32 (x)); |
|
|
1615 | } |
|
|
1616 | |
1197 | #endif |
1617 | #endif |
1198 | |
1618 | |
1199 | #endif |
1619 | #endif |
1200 | |
1620 | |
1201 | /* ECB.H END */ |
1621 | /* ECB.H END */ |
1202 | |
1622 | |
1203 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1623 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1204 | /* if your architecture doesn't need memory fences, e.g. because it is |
1624 | /* if your architecture doesn't need memory fences, e.g. because it is |
1205 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
1625 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
1206 | * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling |
1626 | * from multiple threads, then you can define ECB_NO_THREADS when compiling |
1207 | * libev, in which cases the memory fences become nops. |
1627 | * libev, in which cases the memory fences become nops. |
1208 | * alternatively, you can remove this #error and link against libpthread, |
1628 | * alternatively, you can remove this #error and link against libpthread, |
1209 | * which will then provide the memory fences. |
1629 | * which will then provide the memory fences. |
1210 | */ |
1630 | */ |
1211 | # error "memory fences not defined for your architecture, please report" |
1631 | # error "memory fences not defined for your architecture, please report" |
… | |
… | |
1215 | # define ECB_MEMORY_FENCE do { } while (0) |
1635 | # define ECB_MEMORY_FENCE do { } while (0) |
1216 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1636 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1217 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1637 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1218 | #endif |
1638 | #endif |
1219 | |
1639 | |
1220 | #define expect_false(cond) ecb_expect_false (cond) |
|
|
1221 | #define expect_true(cond) ecb_expect_true (cond) |
|
|
1222 | #define noinline ecb_noinline |
|
|
1223 | |
|
|
1224 | #define inline_size ecb_inline |
1640 | #define inline_size ecb_inline |
1225 | |
1641 | |
1226 | #if EV_FEATURE_CODE |
1642 | #if EV_FEATURE_CODE |
1227 | # define inline_speed ecb_inline |
1643 | # define inline_speed ecb_inline |
1228 | #else |
1644 | #else |
1229 | # define inline_speed static noinline |
1645 | # define inline_speed ecb_noinline static |
1230 | #endif |
1646 | #endif |
1231 | |
1647 | |
1232 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1648 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1233 | |
1649 | |
1234 | #if EV_MINPRI == EV_MAXPRI |
1650 | #if EV_MINPRI == EV_MAXPRI |
1235 | # define ABSPRI(w) (((W)w), 0) |
1651 | # define ABSPRI(w) (((W)w), 0) |
1236 | #else |
1652 | #else |
1237 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1653 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1238 | #endif |
1654 | #endif |
1239 | |
1655 | |
1240 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1656 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1241 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
1242 | |
1657 | |
1243 | typedef ev_watcher *W; |
1658 | typedef ev_watcher *W; |
1244 | typedef ev_watcher_list *WL; |
1659 | typedef ev_watcher_list *WL; |
1245 | typedef ev_watcher_time *WT; |
1660 | typedef ev_watcher_time *WT; |
1246 | |
1661 | |
… | |
… | |
1271 | # include "ev_win32.c" |
1686 | # include "ev_win32.c" |
1272 | #endif |
1687 | #endif |
1273 | |
1688 | |
1274 | /*****************************************************************************/ |
1689 | /*****************************************************************************/ |
1275 | |
1690 | |
|
|
1691 | #if EV_USE_LINUXAIO |
|
|
1692 | # include <linux/aio_abi.h> /* probably only needed for aio_context_t */ |
|
|
1693 | #endif |
|
|
1694 | |
1276 | /* define a suitable floor function (only used by periodics atm) */ |
1695 | /* define a suitable floor function (only used by periodics atm) */ |
1277 | |
1696 | |
1278 | #if EV_USE_FLOOR |
1697 | #if EV_USE_FLOOR |
1279 | # include <math.h> |
1698 | # include <math.h> |
1280 | # define ev_floor(v) floor (v) |
1699 | # define ev_floor(v) floor (v) |
1281 | #else |
1700 | #else |
1282 | |
1701 | |
1283 | #include <float.h> |
1702 | #include <float.h> |
1284 | |
1703 | |
1285 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1704 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
|
|
1705 | ecb_noinline |
1286 | static ev_tstamp noinline |
1706 | static ev_tstamp |
1287 | ev_floor (ev_tstamp v) |
1707 | ev_floor (ev_tstamp v) |
1288 | { |
1708 | { |
1289 | /* the choice of shift factor is not terribly important */ |
1709 | /* the choice of shift factor is not terribly important */ |
1290 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1710 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1291 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1711 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1292 | #else |
1712 | #else |
1293 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1713 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1294 | #endif |
1714 | #endif |
1295 | |
1715 | |
1296 | /* argument too large for an unsigned long? */ |
1716 | /* argument too large for an unsigned long? */ |
1297 | if (expect_false (v >= shift)) |
1717 | if (ecb_expect_false (v >= shift)) |
1298 | { |
1718 | { |
1299 | ev_tstamp f; |
1719 | ev_tstamp f; |
1300 | |
1720 | |
1301 | if (v == v - 1.) |
1721 | if (v == v - 1.) |
1302 | return v; /* very large number */ |
1722 | return v; /* very large number */ |
… | |
… | |
1304 | f = shift * ev_floor (v * (1. / shift)); |
1724 | f = shift * ev_floor (v * (1. / shift)); |
1305 | return f + ev_floor (v - f); |
1725 | return f + ev_floor (v - f); |
1306 | } |
1726 | } |
1307 | |
1727 | |
1308 | /* special treatment for negative args? */ |
1728 | /* special treatment for negative args? */ |
1309 | if (expect_false (v < 0.)) |
1729 | if (ecb_expect_false (v < 0.)) |
1310 | { |
1730 | { |
1311 | ev_tstamp f = -ev_floor (-v); |
1731 | ev_tstamp f = -ev_floor (-v); |
1312 | |
1732 | |
1313 | return f - (f == v ? 0 : 1); |
1733 | return f - (f == v ? 0 : 1); |
1314 | } |
1734 | } |
… | |
… | |
1323 | |
1743 | |
1324 | #ifdef __linux |
1744 | #ifdef __linux |
1325 | # include <sys/utsname.h> |
1745 | # include <sys/utsname.h> |
1326 | #endif |
1746 | #endif |
1327 | |
1747 | |
1328 | static unsigned int noinline ecb_cold |
1748 | ecb_noinline ecb_cold |
|
|
1749 | static unsigned int |
1329 | ev_linux_version (void) |
1750 | ev_linux_version (void) |
1330 | { |
1751 | { |
1331 | #ifdef __linux |
1752 | #ifdef __linux |
1332 | unsigned int v = 0; |
1753 | unsigned int v = 0; |
1333 | struct utsname buf; |
1754 | struct utsname buf; |
… | |
… | |
1362 | } |
1783 | } |
1363 | |
1784 | |
1364 | /*****************************************************************************/ |
1785 | /*****************************************************************************/ |
1365 | |
1786 | |
1366 | #if EV_AVOID_STDIO |
1787 | #if EV_AVOID_STDIO |
1367 | static void noinline ecb_cold |
1788 | ecb_noinline ecb_cold |
|
|
1789 | static void |
1368 | ev_printerr (const char *msg) |
1790 | ev_printerr (const char *msg) |
1369 | { |
1791 | { |
1370 | write (STDERR_FILENO, msg, strlen (msg)); |
1792 | write (STDERR_FILENO, msg, strlen (msg)); |
1371 | } |
1793 | } |
1372 | #endif |
1794 | #endif |
1373 | |
1795 | |
1374 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1796 | static void (*syserr_cb)(const char *msg) EV_NOEXCEPT; |
1375 | |
1797 | |
1376 | void ecb_cold |
1798 | ecb_cold |
|
|
1799 | void |
1377 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
1800 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1378 | { |
1801 | { |
1379 | syserr_cb = cb; |
1802 | syserr_cb = cb; |
1380 | } |
1803 | } |
1381 | |
1804 | |
1382 | static void noinline ecb_cold |
1805 | ecb_noinline ecb_cold |
|
|
1806 | static void |
1383 | ev_syserr (const char *msg) |
1807 | ev_syserr (const char *msg) |
1384 | { |
1808 | { |
1385 | if (!msg) |
1809 | if (!msg) |
1386 | msg = "(libev) system error"; |
1810 | msg = "(libev) system error"; |
1387 | |
1811 | |
… | |
… | |
1400 | abort (); |
1824 | abort (); |
1401 | } |
1825 | } |
1402 | } |
1826 | } |
1403 | |
1827 | |
1404 | static void * |
1828 | static void * |
1405 | ev_realloc_emul (void *ptr, long size) EV_THROW |
1829 | ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT |
1406 | { |
1830 | { |
1407 | /* some systems, notably openbsd and darwin, fail to properly |
1831 | /* some systems, notably openbsd and darwin, fail to properly |
1408 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1832 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1409 | * the single unix specification, so work around them here. |
1833 | * the single unix specification, so work around them here. |
1410 | * recently, also (at least) fedora and debian started breaking it, |
1834 | * recently, also (at least) fedora and debian started breaking it, |
… | |
… | |
1416 | |
1840 | |
1417 | free (ptr); |
1841 | free (ptr); |
1418 | return 0; |
1842 | return 0; |
1419 | } |
1843 | } |
1420 | |
1844 | |
1421 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1845 | static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul; |
1422 | |
1846 | |
1423 | void ecb_cold |
1847 | ecb_cold |
|
|
1848 | void |
1424 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
1849 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT |
1425 | { |
1850 | { |
1426 | alloc = cb; |
1851 | alloc = cb; |
1427 | } |
1852 | } |
1428 | |
1853 | |
1429 | inline_speed void * |
1854 | inline_speed void * |
… | |
… | |
1456 | typedef struct |
1881 | typedef struct |
1457 | { |
1882 | { |
1458 | WL head; |
1883 | WL head; |
1459 | unsigned char events; /* the events watched for */ |
1884 | unsigned char events; /* the events watched for */ |
1460 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1885 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1461 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
1886 | unsigned char emask; /* some backends store the actual kernel mask in here */ |
1462 | unsigned char unused; |
1887 | unsigned char unused; |
1463 | #if EV_USE_EPOLL |
1888 | #if EV_USE_EPOLL |
1464 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1889 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1465 | #endif |
1890 | #endif |
1466 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1891 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
… | |
… | |
1531 | static int ev_default_loop_ptr; |
1956 | static int ev_default_loop_ptr; |
1532 | |
1957 | |
1533 | #endif |
1958 | #endif |
1534 | |
1959 | |
1535 | #if EV_FEATURE_API |
1960 | #if EV_FEATURE_API |
1536 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
1961 | # define EV_RELEASE_CB if (ecb_expect_false (release_cb)) release_cb (EV_A) |
1537 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
1962 | # define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A) |
1538 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
1963 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
1539 | #else |
1964 | #else |
1540 | # define EV_RELEASE_CB (void)0 |
1965 | # define EV_RELEASE_CB (void)0 |
1541 | # define EV_ACQUIRE_CB (void)0 |
1966 | # define EV_ACQUIRE_CB (void)0 |
1542 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
1967 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
… | |
… | |
1546 | |
1971 | |
1547 | /*****************************************************************************/ |
1972 | /*****************************************************************************/ |
1548 | |
1973 | |
1549 | #ifndef EV_HAVE_EV_TIME |
1974 | #ifndef EV_HAVE_EV_TIME |
1550 | ev_tstamp |
1975 | ev_tstamp |
1551 | ev_time (void) EV_THROW |
1976 | ev_time (void) EV_NOEXCEPT |
1552 | { |
1977 | { |
1553 | #if EV_USE_REALTIME |
1978 | #if EV_USE_REALTIME |
1554 | if (expect_true (have_realtime)) |
1979 | if (ecb_expect_true (have_realtime)) |
1555 | { |
1980 | { |
1556 | struct timespec ts; |
1981 | struct timespec ts; |
1557 | clock_gettime (CLOCK_REALTIME, &ts); |
1982 | clock_gettime (CLOCK_REALTIME, &ts); |
1558 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
1983 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
1559 | } |
1984 | } |
… | |
… | |
1567 | |
1992 | |
1568 | inline_size ev_tstamp |
1993 | inline_size ev_tstamp |
1569 | get_clock (void) |
1994 | get_clock (void) |
1570 | { |
1995 | { |
1571 | #if EV_USE_MONOTONIC |
1996 | #if EV_USE_MONOTONIC |
1572 | if (expect_true (have_monotonic)) |
1997 | if (ecb_expect_true (have_monotonic)) |
1573 | { |
1998 | { |
1574 | struct timespec ts; |
1999 | struct timespec ts; |
1575 | clock_gettime (CLOCK_MONOTONIC, &ts); |
2000 | clock_gettime (CLOCK_MONOTONIC, &ts); |
1576 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2001 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
1577 | } |
2002 | } |
… | |
… | |
1580 | return ev_time (); |
2005 | return ev_time (); |
1581 | } |
2006 | } |
1582 | |
2007 | |
1583 | #if EV_MULTIPLICITY |
2008 | #if EV_MULTIPLICITY |
1584 | ev_tstamp |
2009 | ev_tstamp |
1585 | ev_now (EV_P) EV_THROW |
2010 | ev_now (EV_P) EV_NOEXCEPT |
1586 | { |
2011 | { |
1587 | return ev_rt_now; |
2012 | return ev_rt_now; |
1588 | } |
2013 | } |
1589 | #endif |
2014 | #endif |
1590 | |
2015 | |
1591 | void |
2016 | void |
1592 | ev_sleep (ev_tstamp delay) EV_THROW |
2017 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
1593 | { |
2018 | { |
1594 | if (delay > 0.) |
2019 | if (delay > 0.) |
1595 | { |
2020 | { |
1596 | #if EV_USE_NANOSLEEP |
2021 | #if EV_USE_NANOSLEEP |
1597 | struct timespec ts; |
2022 | struct timespec ts; |
1598 | |
2023 | |
1599 | EV_TS_SET (ts, delay); |
2024 | EV_TS_SET (ts, delay); |
1600 | nanosleep (&ts, 0); |
2025 | nanosleep (&ts, 0); |
1601 | #elif defined _WIN32 |
2026 | #elif defined _WIN32 |
|
|
2027 | /* maybe this should round up, as ms is very low resolution */ |
|
|
2028 | /* compared to select (µs) or nanosleep (ns) */ |
1602 | Sleep ((unsigned long)(delay * 1e3)); |
2029 | Sleep ((unsigned long)(delay * 1e3)); |
1603 | #else |
2030 | #else |
1604 | struct timeval tv; |
2031 | struct timeval tv; |
1605 | |
2032 | |
1606 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
2033 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
… | |
… | |
1637 | } |
2064 | } |
1638 | |
2065 | |
1639 | return ncur; |
2066 | return ncur; |
1640 | } |
2067 | } |
1641 | |
2068 | |
1642 | static void * noinline ecb_cold |
2069 | ecb_noinline ecb_cold |
|
|
2070 | static void * |
1643 | array_realloc (int elem, void *base, int *cur, int cnt) |
2071 | array_realloc (int elem, void *base, int *cur, int cnt) |
1644 | { |
2072 | { |
1645 | *cur = array_nextsize (elem, *cur, cnt); |
2073 | *cur = array_nextsize (elem, *cur, cnt); |
1646 | return ev_realloc (base, elem * *cur); |
2074 | return ev_realloc (base, elem * *cur); |
1647 | } |
2075 | } |
1648 | |
2076 | |
|
|
2077 | #define array_needsize_noinit(base,offset,count) |
|
|
2078 | |
1649 | #define array_init_zero(base,count) \ |
2079 | #define array_needsize_zerofill(base,offset,count) \ |
1650 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
2080 | memset ((void *)(base + offset), 0, sizeof (*(base)) * (count)) |
1651 | |
2081 | |
1652 | #define array_needsize(type,base,cur,cnt,init) \ |
2082 | #define array_needsize(type,base,cur,cnt,init) \ |
1653 | if (expect_false ((cnt) > (cur))) \ |
2083 | if (ecb_expect_false ((cnt) > (cur))) \ |
1654 | { \ |
2084 | { \ |
1655 | int ecb_unused ocur_ = (cur); \ |
2085 | ecb_unused int ocur_ = (cur); \ |
1656 | (base) = (type *)array_realloc \ |
2086 | (base) = (type *)array_realloc \ |
1657 | (sizeof (type), (base), &(cur), (cnt)); \ |
2087 | (sizeof (type), (base), &(cur), (cnt)); \ |
1658 | init ((base) + (ocur_), (cur) - ocur_); \ |
2088 | init ((base), ocur_, ((cur) - ocur_)); \ |
1659 | } |
2089 | } |
1660 | |
2090 | |
1661 | #if 0 |
2091 | #if 0 |
1662 | #define array_slim(type,stem) \ |
2092 | #define array_slim(type,stem) \ |
1663 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
2093 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
… | |
… | |
1672 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
2102 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1673 | |
2103 | |
1674 | /*****************************************************************************/ |
2104 | /*****************************************************************************/ |
1675 | |
2105 | |
1676 | /* dummy callback for pending events */ |
2106 | /* dummy callback for pending events */ |
1677 | static void noinline |
2107 | ecb_noinline |
|
|
2108 | static void |
1678 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2109 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1679 | { |
2110 | { |
1680 | } |
2111 | } |
1681 | |
2112 | |
1682 | void noinline |
2113 | ecb_noinline |
|
|
2114 | void |
1683 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
2115 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
1684 | { |
2116 | { |
1685 | W w_ = (W)w; |
2117 | W w_ = (W)w; |
1686 | int pri = ABSPRI (w_); |
2118 | int pri = ABSPRI (w_); |
1687 | |
2119 | |
1688 | if (expect_false (w_->pending)) |
2120 | if (ecb_expect_false (w_->pending)) |
1689 | pendings [pri][w_->pending - 1].events |= revents; |
2121 | pendings [pri][w_->pending - 1].events |= revents; |
1690 | else |
2122 | else |
1691 | { |
2123 | { |
1692 | w_->pending = ++pendingcnt [pri]; |
2124 | w_->pending = ++pendingcnt [pri]; |
1693 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
2125 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); |
1694 | pendings [pri][w_->pending - 1].w = w_; |
2126 | pendings [pri][w_->pending - 1].w = w_; |
1695 | pendings [pri][w_->pending - 1].events = revents; |
2127 | pendings [pri][w_->pending - 1].events = revents; |
1696 | } |
2128 | } |
1697 | |
2129 | |
1698 | pendingpri = NUMPRI - 1; |
2130 | pendingpri = NUMPRI - 1; |
1699 | } |
2131 | } |
1700 | |
2132 | |
1701 | inline_speed void |
2133 | inline_speed void |
1702 | feed_reverse (EV_P_ W w) |
2134 | feed_reverse (EV_P_ W w) |
1703 | { |
2135 | { |
1704 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
2136 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit); |
1705 | rfeeds [rfeedcnt++] = w; |
2137 | rfeeds [rfeedcnt++] = w; |
1706 | } |
2138 | } |
1707 | |
2139 | |
1708 | inline_size void |
2140 | inline_size void |
1709 | feed_reverse_done (EV_P_ int revents) |
2141 | feed_reverse_done (EV_P_ int revents) |
… | |
… | |
1744 | inline_speed void |
2176 | inline_speed void |
1745 | fd_event (EV_P_ int fd, int revents) |
2177 | fd_event (EV_P_ int fd, int revents) |
1746 | { |
2178 | { |
1747 | ANFD *anfd = anfds + fd; |
2179 | ANFD *anfd = anfds + fd; |
1748 | |
2180 | |
1749 | if (expect_true (!anfd->reify)) |
2181 | if (ecb_expect_true (!anfd->reify)) |
1750 | fd_event_nocheck (EV_A_ fd, revents); |
2182 | fd_event_nocheck (EV_A_ fd, revents); |
1751 | } |
2183 | } |
1752 | |
2184 | |
1753 | void |
2185 | void |
1754 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
2186 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
1755 | { |
2187 | { |
1756 | if (fd >= 0 && fd < anfdmax) |
2188 | if (fd >= 0 && fd < anfdmax) |
1757 | fd_event_nocheck (EV_A_ fd, revents); |
2189 | fd_event_nocheck (EV_A_ fd, revents); |
1758 | } |
2190 | } |
1759 | |
2191 | |
… | |
… | |
1796 | ev_io *w; |
2228 | ev_io *w; |
1797 | |
2229 | |
1798 | unsigned char o_events = anfd->events; |
2230 | unsigned char o_events = anfd->events; |
1799 | unsigned char o_reify = anfd->reify; |
2231 | unsigned char o_reify = anfd->reify; |
1800 | |
2232 | |
1801 | anfd->reify = 0; |
2233 | anfd->reify = 0; |
1802 | |
2234 | |
1803 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2235 | /*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
1804 | { |
2236 | { |
1805 | anfd->events = 0; |
2237 | anfd->events = 0; |
1806 | |
2238 | |
1807 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2239 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
1808 | anfd->events |= (unsigned char)w->events; |
2240 | anfd->events |= (unsigned char)w->events; |
… | |
… | |
1817 | |
2249 | |
1818 | fdchangecnt = 0; |
2250 | fdchangecnt = 0; |
1819 | } |
2251 | } |
1820 | |
2252 | |
1821 | /* something about the given fd changed */ |
2253 | /* something about the given fd changed */ |
1822 | inline_size void |
2254 | inline_size |
|
|
2255 | void |
1823 | fd_change (EV_P_ int fd, int flags) |
2256 | fd_change (EV_P_ int fd, int flags) |
1824 | { |
2257 | { |
1825 | unsigned char reify = anfds [fd].reify; |
2258 | unsigned char reify = anfds [fd].reify; |
1826 | anfds [fd].reify |= flags; |
2259 | anfds [fd].reify |= flags; |
1827 | |
2260 | |
1828 | if (expect_true (!reify)) |
2261 | if (ecb_expect_true (!reify)) |
1829 | { |
2262 | { |
1830 | ++fdchangecnt; |
2263 | ++fdchangecnt; |
1831 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
2264 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
1832 | fdchanges [fdchangecnt - 1] = fd; |
2265 | fdchanges [fdchangecnt - 1] = fd; |
1833 | } |
2266 | } |
1834 | } |
2267 | } |
1835 | |
2268 | |
1836 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
2269 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
1837 | inline_speed void ecb_cold |
2270 | inline_speed ecb_cold void |
1838 | fd_kill (EV_P_ int fd) |
2271 | fd_kill (EV_P_ int fd) |
1839 | { |
2272 | { |
1840 | ev_io *w; |
2273 | ev_io *w; |
1841 | |
2274 | |
1842 | while ((w = (ev_io *)anfds [fd].head)) |
2275 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
1845 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
2278 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1846 | } |
2279 | } |
1847 | } |
2280 | } |
1848 | |
2281 | |
1849 | /* check whether the given fd is actually valid, for error recovery */ |
2282 | /* check whether the given fd is actually valid, for error recovery */ |
1850 | inline_size int ecb_cold |
2283 | inline_size ecb_cold int |
1851 | fd_valid (int fd) |
2284 | fd_valid (int fd) |
1852 | { |
2285 | { |
1853 | #ifdef _WIN32 |
2286 | #ifdef _WIN32 |
1854 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
2287 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1855 | #else |
2288 | #else |
1856 | return fcntl (fd, F_GETFD) != -1; |
2289 | return fcntl (fd, F_GETFD) != -1; |
1857 | #endif |
2290 | #endif |
1858 | } |
2291 | } |
1859 | |
2292 | |
1860 | /* called on EBADF to verify fds */ |
2293 | /* called on EBADF to verify fds */ |
1861 | static void noinline ecb_cold |
2294 | ecb_noinline ecb_cold |
|
|
2295 | static void |
1862 | fd_ebadf (EV_P) |
2296 | fd_ebadf (EV_P) |
1863 | { |
2297 | { |
1864 | int fd; |
2298 | int fd; |
1865 | |
2299 | |
1866 | for (fd = 0; fd < anfdmax; ++fd) |
2300 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
1868 | if (!fd_valid (fd) && errno == EBADF) |
2302 | if (!fd_valid (fd) && errno == EBADF) |
1869 | fd_kill (EV_A_ fd); |
2303 | fd_kill (EV_A_ fd); |
1870 | } |
2304 | } |
1871 | |
2305 | |
1872 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2306 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1873 | static void noinline ecb_cold |
2307 | ecb_noinline ecb_cold |
|
|
2308 | static void |
1874 | fd_enomem (EV_P) |
2309 | fd_enomem (EV_P) |
1875 | { |
2310 | { |
1876 | int fd; |
2311 | int fd; |
1877 | |
2312 | |
1878 | for (fd = anfdmax; fd--; ) |
2313 | for (fd = anfdmax; fd--; ) |
… | |
… | |
1882 | break; |
2317 | break; |
1883 | } |
2318 | } |
1884 | } |
2319 | } |
1885 | |
2320 | |
1886 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2321 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
1887 | static void noinline |
2322 | ecb_noinline |
|
|
2323 | static void |
1888 | fd_rearm_all (EV_P) |
2324 | fd_rearm_all (EV_P) |
1889 | { |
2325 | { |
1890 | int fd; |
2326 | int fd; |
1891 | |
2327 | |
1892 | for (fd = 0; fd < anfdmax; ++fd) |
2328 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
1945 | ev_tstamp minat; |
2381 | ev_tstamp minat; |
1946 | ANHE *minpos; |
2382 | ANHE *minpos; |
1947 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2383 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
1948 | |
2384 | |
1949 | /* find minimum child */ |
2385 | /* find minimum child */ |
1950 | if (expect_true (pos + DHEAP - 1 < E)) |
2386 | if (ecb_expect_true (pos + DHEAP - 1 < E)) |
1951 | { |
2387 | { |
1952 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2388 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
1953 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2389 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
1954 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2390 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
1955 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2391 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
… | |
… | |
2073 | |
2509 | |
2074 | /*****************************************************************************/ |
2510 | /*****************************************************************************/ |
2075 | |
2511 | |
2076 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2512 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2077 | |
2513 | |
2078 | static void noinline ecb_cold |
2514 | ecb_noinline ecb_cold |
|
|
2515 | static void |
2079 | evpipe_init (EV_P) |
2516 | evpipe_init (EV_P) |
2080 | { |
2517 | { |
2081 | if (!ev_is_active (&pipe_w)) |
2518 | if (!ev_is_active (&pipe_w)) |
2082 | { |
2519 | { |
2083 | int fds [2]; |
2520 | int fds [2]; |
… | |
… | |
2094 | while (pipe (fds)) |
2531 | while (pipe (fds)) |
2095 | ev_syserr ("(libev) error creating signal/async pipe"); |
2532 | ev_syserr ("(libev) error creating signal/async pipe"); |
2096 | |
2533 | |
2097 | fd_intern (fds [0]); |
2534 | fd_intern (fds [0]); |
2098 | } |
2535 | } |
2099 | |
|
|
2100 | fd_intern (fds [1]); |
|
|
2101 | |
2536 | |
2102 | evpipe [0] = fds [0]; |
2537 | evpipe [0] = fds [0]; |
2103 | |
2538 | |
2104 | if (evpipe [1] < 0) |
2539 | if (evpipe [1] < 0) |
2105 | evpipe [1] = fds [1]; /* first call, set write fd */ |
2540 | evpipe [1] = fds [1]; /* first call, set write fd */ |
… | |
… | |
2112 | |
2547 | |
2113 | dup2 (fds [1], evpipe [1]); |
2548 | dup2 (fds [1], evpipe [1]); |
2114 | close (fds [1]); |
2549 | close (fds [1]); |
2115 | } |
2550 | } |
2116 | |
2551 | |
|
|
2552 | fd_intern (evpipe [1]); |
|
|
2553 | |
2117 | ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ); |
2554 | ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ); |
2118 | ev_io_start (EV_A_ &pipe_w); |
2555 | ev_io_start (EV_A_ &pipe_w); |
2119 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
2556 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
2120 | } |
2557 | } |
2121 | } |
2558 | } |
… | |
… | |
2123 | inline_speed void |
2560 | inline_speed void |
2124 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2561 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2125 | { |
2562 | { |
2126 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2563 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2127 | |
2564 | |
2128 | if (expect_true (*flag)) |
2565 | if (ecb_expect_true (*flag)) |
2129 | return; |
2566 | return; |
2130 | |
2567 | |
2131 | *flag = 1; |
2568 | *flag = 1; |
2132 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2569 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2133 | |
2570 | |
… | |
… | |
2154 | #endif |
2591 | #endif |
2155 | { |
2592 | { |
2156 | #ifdef _WIN32 |
2593 | #ifdef _WIN32 |
2157 | WSABUF buf; |
2594 | WSABUF buf; |
2158 | DWORD sent; |
2595 | DWORD sent; |
2159 | buf.buf = &buf; |
2596 | buf.buf = (char *)&buf; |
2160 | buf.len = 1; |
2597 | buf.len = 1; |
2161 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
2598 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
2162 | #else |
2599 | #else |
2163 | write (evpipe [1], &(evpipe [1]), 1); |
2600 | write (evpipe [1], &(evpipe [1]), 1); |
2164 | #endif |
2601 | #endif |
… | |
… | |
2210 | sig_pending = 0; |
2647 | sig_pending = 0; |
2211 | |
2648 | |
2212 | ECB_MEMORY_FENCE; |
2649 | ECB_MEMORY_FENCE; |
2213 | |
2650 | |
2214 | for (i = EV_NSIG - 1; i--; ) |
2651 | for (i = EV_NSIG - 1; i--; ) |
2215 | if (expect_false (signals [i].pending)) |
2652 | if (ecb_expect_false (signals [i].pending)) |
2216 | ev_feed_signal_event (EV_A_ i + 1); |
2653 | ev_feed_signal_event (EV_A_ i + 1); |
2217 | } |
2654 | } |
2218 | #endif |
2655 | #endif |
2219 | |
2656 | |
2220 | #if EV_ASYNC_ENABLE |
2657 | #if EV_ASYNC_ENABLE |
… | |
… | |
2236 | } |
2673 | } |
2237 | |
2674 | |
2238 | /*****************************************************************************/ |
2675 | /*****************************************************************************/ |
2239 | |
2676 | |
2240 | void |
2677 | void |
2241 | ev_feed_signal (int signum) EV_THROW |
2678 | ev_feed_signal (int signum) EV_NOEXCEPT |
2242 | { |
2679 | { |
2243 | #if EV_MULTIPLICITY |
2680 | #if EV_MULTIPLICITY |
2244 | EV_P; |
2681 | EV_P; |
2245 | ECB_MEMORY_FENCE_ACQUIRE; |
2682 | ECB_MEMORY_FENCE_ACQUIRE; |
2246 | EV_A = signals [signum - 1].loop; |
2683 | EV_A = signals [signum - 1].loop; |
… | |
… | |
2261 | #endif |
2698 | #endif |
2262 | |
2699 | |
2263 | ev_feed_signal (signum); |
2700 | ev_feed_signal (signum); |
2264 | } |
2701 | } |
2265 | |
2702 | |
2266 | void noinline |
2703 | ecb_noinline |
|
|
2704 | void |
2267 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
2705 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2268 | { |
2706 | { |
2269 | WL w; |
2707 | WL w; |
2270 | |
2708 | |
2271 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2709 | if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG)) |
2272 | return; |
2710 | return; |
2273 | |
2711 | |
2274 | --signum; |
2712 | --signum; |
2275 | |
2713 | |
2276 | #if EV_MULTIPLICITY |
2714 | #if EV_MULTIPLICITY |
2277 | /* it is permissible to try to feed a signal to the wrong loop */ |
2715 | /* it is permissible to try to feed a signal to the wrong loop */ |
2278 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2716 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2279 | |
2717 | |
2280 | if (expect_false (signals [signum].loop != EV_A)) |
2718 | if (ecb_expect_false (signals [signum].loop != EV_A)) |
2281 | return; |
2719 | return; |
2282 | #endif |
2720 | #endif |
2283 | |
2721 | |
2284 | signals [signum].pending = 0; |
2722 | signals [signum].pending = 0; |
2285 | ECB_MEMORY_FENCE_RELEASE; |
2723 | ECB_MEMORY_FENCE_RELEASE; |
… | |
… | |
2381 | # include "ev_kqueue.c" |
2819 | # include "ev_kqueue.c" |
2382 | #endif |
2820 | #endif |
2383 | #if EV_USE_EPOLL |
2821 | #if EV_USE_EPOLL |
2384 | # include "ev_epoll.c" |
2822 | # include "ev_epoll.c" |
2385 | #endif |
2823 | #endif |
|
|
2824 | #if EV_USE_LINUXAIO |
|
|
2825 | # include "ev_linuxaio.c" |
|
|
2826 | #endif |
|
|
2827 | #if EV_USE_IOURING |
|
|
2828 | # include "ev_iouring.c" |
|
|
2829 | #endif |
2386 | #if EV_USE_POLL |
2830 | #if EV_USE_POLL |
2387 | # include "ev_poll.c" |
2831 | # include "ev_poll.c" |
2388 | #endif |
2832 | #endif |
2389 | #if EV_USE_SELECT |
2833 | #if EV_USE_SELECT |
2390 | # include "ev_select.c" |
2834 | # include "ev_select.c" |
2391 | #endif |
2835 | #endif |
2392 | |
2836 | |
2393 | int ecb_cold |
2837 | ecb_cold int |
2394 | ev_version_major (void) EV_THROW |
2838 | ev_version_major (void) EV_NOEXCEPT |
2395 | { |
2839 | { |
2396 | return EV_VERSION_MAJOR; |
2840 | return EV_VERSION_MAJOR; |
2397 | } |
2841 | } |
2398 | |
2842 | |
2399 | int ecb_cold |
2843 | ecb_cold int |
2400 | ev_version_minor (void) EV_THROW |
2844 | ev_version_minor (void) EV_NOEXCEPT |
2401 | { |
2845 | { |
2402 | return EV_VERSION_MINOR; |
2846 | return EV_VERSION_MINOR; |
2403 | } |
2847 | } |
2404 | |
2848 | |
2405 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2849 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2406 | int inline_size ecb_cold |
2850 | inline_size ecb_cold int |
2407 | enable_secure (void) |
2851 | enable_secure (void) |
2408 | { |
2852 | { |
2409 | #ifdef _WIN32 |
2853 | #ifdef _WIN32 |
2410 | return 0; |
2854 | return 0; |
2411 | #else |
2855 | #else |
2412 | return getuid () != geteuid () |
2856 | return getuid () != geteuid () |
2413 | || getgid () != getegid (); |
2857 | || getgid () != getegid (); |
2414 | #endif |
2858 | #endif |
2415 | } |
2859 | } |
2416 | |
2860 | |
2417 | unsigned int ecb_cold |
2861 | ecb_cold |
|
|
2862 | unsigned int |
2418 | ev_supported_backends (void) EV_THROW |
2863 | ev_supported_backends (void) EV_NOEXCEPT |
2419 | { |
2864 | { |
2420 | unsigned int flags = 0; |
2865 | unsigned int flags = 0; |
2421 | |
2866 | |
2422 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2867 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2423 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2868 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
2424 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
2869 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
2870 | if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; |
|
|
2871 | if (EV_USE_IOURING ) flags |= EVBACKEND_IOURING; |
2425 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2872 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2426 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2873 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
2427 | |
2874 | |
2428 | return flags; |
2875 | return flags; |
2429 | } |
2876 | } |
2430 | |
2877 | |
2431 | unsigned int ecb_cold |
2878 | ecb_cold |
|
|
2879 | unsigned int |
2432 | ev_recommended_backends (void) EV_THROW |
2880 | ev_recommended_backends (void) EV_NOEXCEPT |
2433 | { |
2881 | { |
2434 | unsigned int flags = ev_supported_backends (); |
2882 | unsigned int flags = ev_supported_backends (); |
2435 | |
2883 | |
2436 | #ifndef __NetBSD__ |
2884 | #ifndef __NetBSD__ |
2437 | /* kqueue is borked on everything but netbsd apparently */ |
2885 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
2445 | #endif |
2893 | #endif |
2446 | #ifdef __FreeBSD__ |
2894 | #ifdef __FreeBSD__ |
2447 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2895 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2448 | #endif |
2896 | #endif |
2449 | |
2897 | |
|
|
2898 | /* TODO: linuxaio is very experimental */ |
|
|
2899 | #if !EV_RECOMMEND_LINUXAIO |
|
|
2900 | flags &= ~EVBACKEND_LINUXAIO; |
|
|
2901 | #endif |
|
|
2902 | /* TODO: linuxaio is super experimental */ |
|
|
2903 | #if !EV_RECOMMEND_IOURING |
|
|
2904 | flags &= ~EVBACKEND_IOURING; |
|
|
2905 | #endif |
|
|
2906 | |
2450 | return flags; |
2907 | return flags; |
2451 | } |
2908 | } |
2452 | |
2909 | |
2453 | unsigned int ecb_cold |
2910 | ecb_cold |
|
|
2911 | unsigned int |
2454 | ev_embeddable_backends (void) EV_THROW |
2912 | ev_embeddable_backends (void) EV_NOEXCEPT |
2455 | { |
2913 | { |
2456 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2914 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2457 | |
2915 | |
2458 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2916 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2459 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2917 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
… | |
… | |
2461 | |
2919 | |
2462 | return flags; |
2920 | return flags; |
2463 | } |
2921 | } |
2464 | |
2922 | |
2465 | unsigned int |
2923 | unsigned int |
2466 | ev_backend (EV_P) EV_THROW |
2924 | ev_backend (EV_P) EV_NOEXCEPT |
2467 | { |
2925 | { |
2468 | return backend; |
2926 | return backend; |
2469 | } |
2927 | } |
2470 | |
2928 | |
2471 | #if EV_FEATURE_API |
2929 | #if EV_FEATURE_API |
2472 | unsigned int |
2930 | unsigned int |
2473 | ev_iteration (EV_P) EV_THROW |
2931 | ev_iteration (EV_P) EV_NOEXCEPT |
2474 | { |
2932 | { |
2475 | return loop_count; |
2933 | return loop_count; |
2476 | } |
2934 | } |
2477 | |
2935 | |
2478 | unsigned int |
2936 | unsigned int |
2479 | ev_depth (EV_P) EV_THROW |
2937 | ev_depth (EV_P) EV_NOEXCEPT |
2480 | { |
2938 | { |
2481 | return loop_depth; |
2939 | return loop_depth; |
2482 | } |
2940 | } |
2483 | |
2941 | |
2484 | void |
2942 | void |
2485 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2943 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2486 | { |
2944 | { |
2487 | io_blocktime = interval; |
2945 | io_blocktime = interval; |
2488 | } |
2946 | } |
2489 | |
2947 | |
2490 | void |
2948 | void |
2491 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2949 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2492 | { |
2950 | { |
2493 | timeout_blocktime = interval; |
2951 | timeout_blocktime = interval; |
2494 | } |
2952 | } |
2495 | |
2953 | |
2496 | void |
2954 | void |
2497 | ev_set_userdata (EV_P_ void *data) EV_THROW |
2955 | ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT |
2498 | { |
2956 | { |
2499 | userdata = data; |
2957 | userdata = data; |
2500 | } |
2958 | } |
2501 | |
2959 | |
2502 | void * |
2960 | void * |
2503 | ev_userdata (EV_P) EV_THROW |
2961 | ev_userdata (EV_P) EV_NOEXCEPT |
2504 | { |
2962 | { |
2505 | return userdata; |
2963 | return userdata; |
2506 | } |
2964 | } |
2507 | |
2965 | |
2508 | void |
2966 | void |
2509 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW |
2967 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT |
2510 | { |
2968 | { |
2511 | invoke_cb = invoke_pending_cb; |
2969 | invoke_cb = invoke_pending_cb; |
2512 | } |
2970 | } |
2513 | |
2971 | |
2514 | void |
2972 | void |
2515 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
2973 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT |
2516 | { |
2974 | { |
2517 | release_cb = release; |
2975 | release_cb = release; |
2518 | acquire_cb = acquire; |
2976 | acquire_cb = acquire; |
2519 | } |
2977 | } |
2520 | #endif |
2978 | #endif |
2521 | |
2979 | |
2522 | /* initialise a loop structure, must be zero-initialised */ |
2980 | /* initialise a loop structure, must be zero-initialised */ |
2523 | static void noinline ecb_cold |
2981 | ecb_noinline ecb_cold |
|
|
2982 | static void |
2524 | loop_init (EV_P_ unsigned int flags) EV_THROW |
2983 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
2525 | { |
2984 | { |
2526 | if (!backend) |
2985 | if (!backend) |
2527 | { |
2986 | { |
2528 | origflags = flags; |
2987 | origflags = flags; |
2529 | |
2988 | |
… | |
… | |
2587 | |
3046 | |
2588 | if (!(flags & EVBACKEND_MASK)) |
3047 | if (!(flags & EVBACKEND_MASK)) |
2589 | flags |= ev_recommended_backends (); |
3048 | flags |= ev_recommended_backends (); |
2590 | |
3049 | |
2591 | #if EV_USE_IOCP |
3050 | #if EV_USE_IOCP |
2592 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
3051 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
2593 | #endif |
3052 | #endif |
2594 | #if EV_USE_PORT |
3053 | #if EV_USE_PORT |
2595 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
3054 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2596 | #endif |
3055 | #endif |
2597 | #if EV_USE_KQUEUE |
3056 | #if EV_USE_KQUEUE |
2598 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
3057 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
|
|
3058 | #endif |
|
|
3059 | #if EV_USE_IOURING |
|
|
3060 | if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags); |
|
|
3061 | #endif |
|
|
3062 | #if EV_USE_LINUXAIO |
|
|
3063 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
2599 | #endif |
3064 | #endif |
2600 | #if EV_USE_EPOLL |
3065 | #if EV_USE_EPOLL |
2601 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
3066 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
2602 | #endif |
3067 | #endif |
2603 | #if EV_USE_POLL |
3068 | #if EV_USE_POLL |
2604 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
3069 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
2605 | #endif |
3070 | #endif |
2606 | #if EV_USE_SELECT |
3071 | #if EV_USE_SELECT |
2607 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
3072 | if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags); |
2608 | #endif |
3073 | #endif |
2609 | |
3074 | |
2610 | ev_prepare_init (&pending_w, pendingcb); |
3075 | ev_prepare_init (&pending_w, pendingcb); |
2611 | |
3076 | |
2612 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3077 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
… | |
… | |
2615 | #endif |
3080 | #endif |
2616 | } |
3081 | } |
2617 | } |
3082 | } |
2618 | |
3083 | |
2619 | /* free up a loop structure */ |
3084 | /* free up a loop structure */ |
2620 | void ecb_cold |
3085 | ecb_cold |
|
|
3086 | void |
2621 | ev_loop_destroy (EV_P) |
3087 | ev_loop_destroy (EV_P) |
2622 | { |
3088 | { |
2623 | int i; |
3089 | int i; |
2624 | |
3090 | |
2625 | #if EV_MULTIPLICITY |
3091 | #if EV_MULTIPLICITY |
… | |
… | |
2628 | return; |
3094 | return; |
2629 | #endif |
3095 | #endif |
2630 | |
3096 | |
2631 | #if EV_CLEANUP_ENABLE |
3097 | #if EV_CLEANUP_ENABLE |
2632 | /* queue cleanup watchers (and execute them) */ |
3098 | /* queue cleanup watchers (and execute them) */ |
2633 | if (expect_false (cleanupcnt)) |
3099 | if (ecb_expect_false (cleanupcnt)) |
2634 | { |
3100 | { |
2635 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
3101 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
2636 | EV_INVOKE_PENDING; |
3102 | EV_INVOKE_PENDING; |
2637 | } |
3103 | } |
2638 | #endif |
3104 | #endif |
… | |
… | |
2666 | |
3132 | |
2667 | if (backend_fd >= 0) |
3133 | if (backend_fd >= 0) |
2668 | close (backend_fd); |
3134 | close (backend_fd); |
2669 | |
3135 | |
2670 | #if EV_USE_IOCP |
3136 | #if EV_USE_IOCP |
2671 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
3137 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
2672 | #endif |
3138 | #endif |
2673 | #if EV_USE_PORT |
3139 | #if EV_USE_PORT |
2674 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3140 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
2675 | #endif |
3141 | #endif |
2676 | #if EV_USE_KQUEUE |
3142 | #if EV_USE_KQUEUE |
2677 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
3143 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
|
|
3144 | #endif |
|
|
3145 | #if EV_USE_IOURING |
|
|
3146 | if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A); |
|
|
3147 | #endif |
|
|
3148 | #if EV_USE_LINUXAIO |
|
|
3149 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
2678 | #endif |
3150 | #endif |
2679 | #if EV_USE_EPOLL |
3151 | #if EV_USE_EPOLL |
2680 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3152 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
2681 | #endif |
3153 | #endif |
2682 | #if EV_USE_POLL |
3154 | #if EV_USE_POLL |
2683 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3155 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
2684 | #endif |
3156 | #endif |
2685 | #if EV_USE_SELECT |
3157 | #if EV_USE_SELECT |
2686 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
3158 | if (backend == EVBACKEND_SELECT ) select_destroy (EV_A); |
2687 | #endif |
3159 | #endif |
2688 | |
3160 | |
2689 | for (i = NUMPRI; i--; ) |
3161 | for (i = NUMPRI; i--; ) |
2690 | { |
3162 | { |
2691 | array_free (pending, [i]); |
3163 | array_free (pending, [i]); |
… | |
… | |
2733 | |
3205 | |
2734 | inline_size void |
3206 | inline_size void |
2735 | loop_fork (EV_P) |
3207 | loop_fork (EV_P) |
2736 | { |
3208 | { |
2737 | #if EV_USE_PORT |
3209 | #if EV_USE_PORT |
2738 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3210 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
2739 | #endif |
3211 | #endif |
2740 | #if EV_USE_KQUEUE |
3212 | #if EV_USE_KQUEUE |
2741 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
3213 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
|
|
3214 | #endif |
|
|
3215 | #if EV_USE_IOURING |
|
|
3216 | if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A); |
|
|
3217 | #endif |
|
|
3218 | #if EV_USE_LINUXAIO |
|
|
3219 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
2742 | #endif |
3220 | #endif |
2743 | #if EV_USE_EPOLL |
3221 | #if EV_USE_EPOLL |
2744 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3222 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
2745 | #endif |
3223 | #endif |
2746 | #if EV_USE_INOTIFY |
3224 | #if EV_USE_INOTIFY |
2747 | infy_fork (EV_A); |
3225 | infy_fork (EV_A); |
2748 | #endif |
3226 | #endif |
2749 | |
3227 | |
2750 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3228 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2751 | if (ev_is_active (&pipe_w)) |
3229 | if (ev_is_active (&pipe_w) && postfork != 2) |
2752 | { |
3230 | { |
2753 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
3231 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
2754 | |
3232 | |
2755 | ev_ref (EV_A); |
3233 | ev_ref (EV_A); |
2756 | ev_io_stop (EV_A_ &pipe_w); |
3234 | ev_io_stop (EV_A_ &pipe_w); |
… | |
… | |
2767 | postfork = 0; |
3245 | postfork = 0; |
2768 | } |
3246 | } |
2769 | |
3247 | |
2770 | #if EV_MULTIPLICITY |
3248 | #if EV_MULTIPLICITY |
2771 | |
3249 | |
|
|
3250 | ecb_cold |
2772 | struct ev_loop * ecb_cold |
3251 | struct ev_loop * |
2773 | ev_loop_new (unsigned int flags) EV_THROW |
3252 | ev_loop_new (unsigned int flags) EV_NOEXCEPT |
2774 | { |
3253 | { |
2775 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
3254 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2776 | |
3255 | |
2777 | memset (EV_A, 0, sizeof (struct ev_loop)); |
3256 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2778 | loop_init (EV_A_ flags); |
3257 | loop_init (EV_A_ flags); |
… | |
… | |
2785 | } |
3264 | } |
2786 | |
3265 | |
2787 | #endif /* multiplicity */ |
3266 | #endif /* multiplicity */ |
2788 | |
3267 | |
2789 | #if EV_VERIFY |
3268 | #if EV_VERIFY |
2790 | static void noinline ecb_cold |
3269 | ecb_noinline ecb_cold |
|
|
3270 | static void |
2791 | verify_watcher (EV_P_ W w) |
3271 | verify_watcher (EV_P_ W w) |
2792 | { |
3272 | { |
2793 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3273 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
2794 | |
3274 | |
2795 | if (w->pending) |
3275 | if (w->pending) |
2796 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3276 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
2797 | } |
3277 | } |
2798 | |
3278 | |
2799 | static void noinline ecb_cold |
3279 | ecb_noinline ecb_cold |
|
|
3280 | static void |
2800 | verify_heap (EV_P_ ANHE *heap, int N) |
3281 | verify_heap (EV_P_ ANHE *heap, int N) |
2801 | { |
3282 | { |
2802 | int i; |
3283 | int i; |
2803 | |
3284 | |
2804 | for (i = HEAP0; i < N + HEAP0; ++i) |
3285 | for (i = HEAP0; i < N + HEAP0; ++i) |
… | |
… | |
2809 | |
3290 | |
2810 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3291 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
2811 | } |
3292 | } |
2812 | } |
3293 | } |
2813 | |
3294 | |
2814 | static void noinline ecb_cold |
3295 | ecb_noinline ecb_cold |
|
|
3296 | static void |
2815 | array_verify (EV_P_ W *ws, int cnt) |
3297 | array_verify (EV_P_ W *ws, int cnt) |
2816 | { |
3298 | { |
2817 | while (cnt--) |
3299 | while (cnt--) |
2818 | { |
3300 | { |
2819 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
3301 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
… | |
… | |
2822 | } |
3304 | } |
2823 | #endif |
3305 | #endif |
2824 | |
3306 | |
2825 | #if EV_FEATURE_API |
3307 | #if EV_FEATURE_API |
2826 | void ecb_cold |
3308 | void ecb_cold |
2827 | ev_verify (EV_P) EV_THROW |
3309 | ev_verify (EV_P) EV_NOEXCEPT |
2828 | { |
3310 | { |
2829 | #if EV_VERIFY |
3311 | #if EV_VERIFY |
2830 | int i; |
3312 | int i; |
2831 | WL w, w2; |
3313 | WL w, w2; |
2832 | |
3314 | |
… | |
… | |
2908 | #endif |
3390 | #endif |
2909 | } |
3391 | } |
2910 | #endif |
3392 | #endif |
2911 | |
3393 | |
2912 | #if EV_MULTIPLICITY |
3394 | #if EV_MULTIPLICITY |
|
|
3395 | ecb_cold |
2913 | struct ev_loop * ecb_cold |
3396 | struct ev_loop * |
2914 | #else |
3397 | #else |
2915 | int |
3398 | int |
2916 | #endif |
3399 | #endif |
2917 | ev_default_loop (unsigned int flags) EV_THROW |
3400 | ev_default_loop (unsigned int flags) EV_NOEXCEPT |
2918 | { |
3401 | { |
2919 | if (!ev_default_loop_ptr) |
3402 | if (!ev_default_loop_ptr) |
2920 | { |
3403 | { |
2921 | #if EV_MULTIPLICITY |
3404 | #if EV_MULTIPLICITY |
2922 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
3405 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
2941 | |
3424 | |
2942 | return ev_default_loop_ptr; |
3425 | return ev_default_loop_ptr; |
2943 | } |
3426 | } |
2944 | |
3427 | |
2945 | void |
3428 | void |
2946 | ev_loop_fork (EV_P) EV_THROW |
3429 | ev_loop_fork (EV_P) EV_NOEXCEPT |
2947 | { |
3430 | { |
2948 | postfork = 1; |
3431 | postfork = 1; |
2949 | } |
3432 | } |
2950 | |
3433 | |
2951 | /*****************************************************************************/ |
3434 | /*****************************************************************************/ |
… | |
… | |
2955 | { |
3438 | { |
2956 | EV_CB_INVOKE ((W)w, revents); |
3439 | EV_CB_INVOKE ((W)w, revents); |
2957 | } |
3440 | } |
2958 | |
3441 | |
2959 | unsigned int |
3442 | unsigned int |
2960 | ev_pending_count (EV_P) EV_THROW |
3443 | ev_pending_count (EV_P) EV_NOEXCEPT |
2961 | { |
3444 | { |
2962 | int pri; |
3445 | int pri; |
2963 | unsigned int count = 0; |
3446 | unsigned int count = 0; |
2964 | |
3447 | |
2965 | for (pri = NUMPRI; pri--; ) |
3448 | for (pri = NUMPRI; pri--; ) |
2966 | count += pendingcnt [pri]; |
3449 | count += pendingcnt [pri]; |
2967 | |
3450 | |
2968 | return count; |
3451 | return count; |
2969 | } |
3452 | } |
2970 | |
3453 | |
2971 | void noinline |
3454 | ecb_noinline |
|
|
3455 | void |
2972 | ev_invoke_pending (EV_P) |
3456 | ev_invoke_pending (EV_P) |
2973 | { |
3457 | { |
2974 | pendingpri = NUMPRI; |
3458 | pendingpri = NUMPRI; |
2975 | |
3459 | |
2976 | while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ |
3460 | do |
2977 | { |
3461 | { |
2978 | --pendingpri; |
3462 | --pendingpri; |
2979 | |
3463 | |
|
|
3464 | /* pendingpri possibly gets modified in the inner loop */ |
2980 | while (pendingcnt [pendingpri]) |
3465 | while (pendingcnt [pendingpri]) |
2981 | { |
3466 | { |
2982 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
3467 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
2983 | |
3468 | |
2984 | p->w->pending = 0; |
3469 | p->w->pending = 0; |
2985 | EV_CB_INVOKE (p->w, p->events); |
3470 | EV_CB_INVOKE (p->w, p->events); |
2986 | EV_FREQUENT_CHECK; |
3471 | EV_FREQUENT_CHECK; |
2987 | } |
3472 | } |
2988 | } |
3473 | } |
|
|
3474 | while (pendingpri); |
2989 | } |
3475 | } |
2990 | |
3476 | |
2991 | #if EV_IDLE_ENABLE |
3477 | #if EV_IDLE_ENABLE |
2992 | /* make idle watchers pending. this handles the "call-idle */ |
3478 | /* make idle watchers pending. this handles the "call-idle */ |
2993 | /* only when higher priorities are idle" logic */ |
3479 | /* only when higher priorities are idle" logic */ |
2994 | inline_size void |
3480 | inline_size void |
2995 | idle_reify (EV_P) |
3481 | idle_reify (EV_P) |
2996 | { |
3482 | { |
2997 | if (expect_false (idleall)) |
3483 | if (ecb_expect_false (idleall)) |
2998 | { |
3484 | { |
2999 | int pri; |
3485 | int pri; |
3000 | |
3486 | |
3001 | for (pri = NUMPRI; pri--; ) |
3487 | for (pri = NUMPRI; pri--; ) |
3002 | { |
3488 | { |
… | |
… | |
3051 | } |
3537 | } |
3052 | } |
3538 | } |
3053 | |
3539 | |
3054 | #if EV_PERIODIC_ENABLE |
3540 | #if EV_PERIODIC_ENABLE |
3055 | |
3541 | |
3056 | static void noinline |
3542 | ecb_noinline |
|
|
3543 | static void |
3057 | periodic_recalc (EV_P_ ev_periodic *w) |
3544 | periodic_recalc (EV_P_ ev_periodic *w) |
3058 | { |
3545 | { |
3059 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3546 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3060 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3547 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3061 | |
3548 | |
… | |
… | |
3063 | while (at <= ev_rt_now) |
3550 | while (at <= ev_rt_now) |
3064 | { |
3551 | { |
3065 | ev_tstamp nat = at + w->interval; |
3552 | ev_tstamp nat = at + w->interval; |
3066 | |
3553 | |
3067 | /* when resolution fails us, we use ev_rt_now */ |
3554 | /* when resolution fails us, we use ev_rt_now */ |
3068 | if (expect_false (nat == at)) |
3555 | if (ecb_expect_false (nat == at)) |
3069 | { |
3556 | { |
3070 | at = ev_rt_now; |
3557 | at = ev_rt_now; |
3071 | break; |
3558 | break; |
3072 | } |
3559 | } |
3073 | |
3560 | |
… | |
… | |
3119 | } |
3606 | } |
3120 | } |
3607 | } |
3121 | |
3608 | |
3122 | /* simply recalculate all periodics */ |
3609 | /* simply recalculate all periodics */ |
3123 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3610 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3124 | static void noinline ecb_cold |
3611 | ecb_noinline ecb_cold |
|
|
3612 | static void |
3125 | periodics_reschedule (EV_P) |
3613 | periodics_reschedule (EV_P) |
3126 | { |
3614 | { |
3127 | int i; |
3615 | int i; |
3128 | |
3616 | |
3129 | /* adjust periodics after time jump */ |
3617 | /* adjust periodics after time jump */ |
… | |
… | |
3142 | reheap (periodics, periodiccnt); |
3630 | reheap (periodics, periodiccnt); |
3143 | } |
3631 | } |
3144 | #endif |
3632 | #endif |
3145 | |
3633 | |
3146 | /* adjust all timers by a given offset */ |
3634 | /* adjust all timers by a given offset */ |
3147 | static void noinline ecb_cold |
3635 | ecb_noinline ecb_cold |
|
|
3636 | static void |
3148 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3637 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3149 | { |
3638 | { |
3150 | int i; |
3639 | int i; |
3151 | |
3640 | |
3152 | for (i = 0; i < timercnt; ++i) |
3641 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
3161 | /* also detect if there was a timejump, and act accordingly */ |
3650 | /* also detect if there was a timejump, and act accordingly */ |
3162 | inline_speed void |
3651 | inline_speed void |
3163 | time_update (EV_P_ ev_tstamp max_block) |
3652 | time_update (EV_P_ ev_tstamp max_block) |
3164 | { |
3653 | { |
3165 | #if EV_USE_MONOTONIC |
3654 | #if EV_USE_MONOTONIC |
3166 | if (expect_true (have_monotonic)) |
3655 | if (ecb_expect_true (have_monotonic)) |
3167 | { |
3656 | { |
3168 | int i; |
3657 | int i; |
3169 | ev_tstamp odiff = rtmn_diff; |
3658 | ev_tstamp odiff = rtmn_diff; |
3170 | |
3659 | |
3171 | mn_now = get_clock (); |
3660 | mn_now = get_clock (); |
3172 | |
3661 | |
3173 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3662 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3174 | /* interpolate in the meantime */ |
3663 | /* interpolate in the meantime */ |
3175 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
3664 | if (ecb_expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
3176 | { |
3665 | { |
3177 | ev_rt_now = rtmn_diff + mn_now; |
3666 | ev_rt_now = rtmn_diff + mn_now; |
3178 | return; |
3667 | return; |
3179 | } |
3668 | } |
3180 | |
3669 | |
… | |
… | |
3194 | ev_tstamp diff; |
3683 | ev_tstamp diff; |
3195 | rtmn_diff = ev_rt_now - mn_now; |
3684 | rtmn_diff = ev_rt_now - mn_now; |
3196 | |
3685 | |
3197 | diff = odiff - rtmn_diff; |
3686 | diff = odiff - rtmn_diff; |
3198 | |
3687 | |
3199 | if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
3688 | if (ecb_expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
3200 | return; /* all is well */ |
3689 | return; /* all is well */ |
3201 | |
3690 | |
3202 | ev_rt_now = ev_time (); |
3691 | ev_rt_now = ev_time (); |
3203 | mn_now = get_clock (); |
3692 | mn_now = get_clock (); |
3204 | now_floor = mn_now; |
3693 | now_floor = mn_now; |
… | |
… | |
3213 | else |
3702 | else |
3214 | #endif |
3703 | #endif |
3215 | { |
3704 | { |
3216 | ev_rt_now = ev_time (); |
3705 | ev_rt_now = ev_time (); |
3217 | |
3706 | |
3218 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
3707 | if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
3219 | { |
3708 | { |
3220 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
3709 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
3221 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
3710 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
3222 | #if EV_PERIODIC_ENABLE |
3711 | #if EV_PERIODIC_ENABLE |
3223 | periodics_reschedule (EV_A); |
3712 | periodics_reschedule (EV_A); |
… | |
… | |
3246 | #if EV_VERIFY >= 2 |
3735 | #if EV_VERIFY >= 2 |
3247 | ev_verify (EV_A); |
3736 | ev_verify (EV_A); |
3248 | #endif |
3737 | #endif |
3249 | |
3738 | |
3250 | #ifndef _WIN32 |
3739 | #ifndef _WIN32 |
3251 | if (expect_false (curpid)) /* penalise the forking check even more */ |
3740 | if (ecb_expect_false (curpid)) /* penalise the forking check even more */ |
3252 | if (expect_false (getpid () != curpid)) |
3741 | if (ecb_expect_false (getpid () != curpid)) |
3253 | { |
3742 | { |
3254 | curpid = getpid (); |
3743 | curpid = getpid (); |
3255 | postfork = 1; |
3744 | postfork = 1; |
3256 | } |
3745 | } |
3257 | #endif |
3746 | #endif |
3258 | |
3747 | |
3259 | #if EV_FORK_ENABLE |
3748 | #if EV_FORK_ENABLE |
3260 | /* we might have forked, so queue fork handlers */ |
3749 | /* we might have forked, so queue fork handlers */ |
3261 | if (expect_false (postfork)) |
3750 | if (ecb_expect_false (postfork)) |
3262 | if (forkcnt) |
3751 | if (forkcnt) |
3263 | { |
3752 | { |
3264 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
3753 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
3265 | EV_INVOKE_PENDING; |
3754 | EV_INVOKE_PENDING; |
3266 | } |
3755 | } |
3267 | #endif |
3756 | #endif |
3268 | |
3757 | |
3269 | #if EV_PREPARE_ENABLE |
3758 | #if EV_PREPARE_ENABLE |
3270 | /* queue prepare watchers (and execute them) */ |
3759 | /* queue prepare watchers (and execute them) */ |
3271 | if (expect_false (preparecnt)) |
3760 | if (ecb_expect_false (preparecnt)) |
3272 | { |
3761 | { |
3273 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3762 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3274 | EV_INVOKE_PENDING; |
3763 | EV_INVOKE_PENDING; |
3275 | } |
3764 | } |
3276 | #endif |
3765 | #endif |
3277 | |
3766 | |
3278 | if (expect_false (loop_done)) |
3767 | if (ecb_expect_false (loop_done)) |
3279 | break; |
3768 | break; |
3280 | |
3769 | |
3281 | /* we might have forked, so reify kernel state if necessary */ |
3770 | /* we might have forked, so reify kernel state if necessary */ |
3282 | if (expect_false (postfork)) |
3771 | if (ecb_expect_false (postfork)) |
3283 | loop_fork (EV_A); |
3772 | loop_fork (EV_A); |
3284 | |
3773 | |
3285 | /* update fd-related kernel structures */ |
3774 | /* update fd-related kernel structures */ |
3286 | fd_reify (EV_A); |
3775 | fd_reify (EV_A); |
3287 | |
3776 | |
… | |
… | |
3299 | /* from now on, we want a pipe-wake-up */ |
3788 | /* from now on, we want a pipe-wake-up */ |
3300 | pipe_write_wanted = 1; |
3789 | pipe_write_wanted = 1; |
3301 | |
3790 | |
3302 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
3791 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
3303 | |
3792 | |
3304 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3793 | if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3305 | { |
3794 | { |
3306 | waittime = MAX_BLOCKTIME; |
3795 | waittime = MAX_BLOCKTIME; |
3307 | |
3796 | |
3308 | if (timercnt) |
3797 | if (timercnt) |
3309 | { |
3798 | { |
… | |
… | |
3318 | if (waittime > to) waittime = to; |
3807 | if (waittime > to) waittime = to; |
3319 | } |
3808 | } |
3320 | #endif |
3809 | #endif |
3321 | |
3810 | |
3322 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3811 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3323 | if (expect_false (waittime < timeout_blocktime)) |
3812 | if (ecb_expect_false (waittime < timeout_blocktime)) |
3324 | waittime = timeout_blocktime; |
3813 | waittime = timeout_blocktime; |
3325 | |
3814 | |
3326 | /* at this point, we NEED to wait, so we have to ensure */ |
3815 | /* at this point, we NEED to wait, so we have to ensure */ |
3327 | /* to pass a minimum nonzero value to the backend */ |
3816 | /* to pass a minimum nonzero value to the backend */ |
3328 | if (expect_false (waittime < backend_mintime)) |
3817 | if (ecb_expect_false (waittime < backend_mintime)) |
3329 | waittime = backend_mintime; |
3818 | waittime = backend_mintime; |
3330 | |
3819 | |
3331 | /* extra check because io_blocktime is commonly 0 */ |
3820 | /* extra check because io_blocktime is commonly 0 */ |
3332 | if (expect_false (io_blocktime)) |
3821 | if (ecb_expect_false (io_blocktime)) |
3333 | { |
3822 | { |
3334 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3823 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3335 | |
3824 | |
3336 | if (sleeptime > waittime - backend_mintime) |
3825 | if (sleeptime > waittime - backend_mintime) |
3337 | sleeptime = waittime - backend_mintime; |
3826 | sleeptime = waittime - backend_mintime; |
3338 | |
3827 | |
3339 | if (expect_true (sleeptime > 0.)) |
3828 | if (ecb_expect_true (sleeptime > 0.)) |
3340 | { |
3829 | { |
3341 | ev_sleep (sleeptime); |
3830 | ev_sleep (sleeptime); |
3342 | waittime -= sleeptime; |
3831 | waittime -= sleeptime; |
3343 | } |
3832 | } |
3344 | } |
3833 | } |
… | |
… | |
3358 | { |
3847 | { |
3359 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3848 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3360 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3849 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3361 | } |
3850 | } |
3362 | |
3851 | |
3363 | |
|
|
3364 | /* update ev_rt_now, do magic */ |
3852 | /* update ev_rt_now, do magic */ |
3365 | time_update (EV_A_ waittime + sleeptime); |
3853 | time_update (EV_A_ waittime + sleeptime); |
3366 | } |
3854 | } |
3367 | |
3855 | |
3368 | /* queue pending timers and reschedule them */ |
3856 | /* queue pending timers and reschedule them */ |
… | |
… | |
3376 | idle_reify (EV_A); |
3864 | idle_reify (EV_A); |
3377 | #endif |
3865 | #endif |
3378 | |
3866 | |
3379 | #if EV_CHECK_ENABLE |
3867 | #if EV_CHECK_ENABLE |
3380 | /* queue check watchers, to be executed first */ |
3868 | /* queue check watchers, to be executed first */ |
3381 | if (expect_false (checkcnt)) |
3869 | if (ecb_expect_false (checkcnt)) |
3382 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3870 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3383 | #endif |
3871 | #endif |
3384 | |
3872 | |
3385 | EV_INVOKE_PENDING; |
3873 | EV_INVOKE_PENDING; |
3386 | } |
3874 | } |
3387 | while (expect_true ( |
3875 | while (ecb_expect_true ( |
3388 | activecnt |
3876 | activecnt |
3389 | && !loop_done |
3877 | && !loop_done |
3390 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
3878 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
3391 | )); |
3879 | )); |
3392 | |
3880 | |
… | |
… | |
3399 | |
3887 | |
3400 | return activecnt; |
3888 | return activecnt; |
3401 | } |
3889 | } |
3402 | |
3890 | |
3403 | void |
3891 | void |
3404 | ev_break (EV_P_ int how) EV_THROW |
3892 | ev_break (EV_P_ int how) EV_NOEXCEPT |
3405 | { |
3893 | { |
3406 | loop_done = how; |
3894 | loop_done = how; |
3407 | } |
3895 | } |
3408 | |
3896 | |
3409 | void |
3897 | void |
3410 | ev_ref (EV_P) EV_THROW |
3898 | ev_ref (EV_P) EV_NOEXCEPT |
3411 | { |
3899 | { |
3412 | ++activecnt; |
3900 | ++activecnt; |
3413 | } |
3901 | } |
3414 | |
3902 | |
3415 | void |
3903 | void |
3416 | ev_unref (EV_P) EV_THROW |
3904 | ev_unref (EV_P) EV_NOEXCEPT |
3417 | { |
3905 | { |
3418 | --activecnt; |
3906 | --activecnt; |
3419 | } |
3907 | } |
3420 | |
3908 | |
3421 | void |
3909 | void |
3422 | ev_now_update (EV_P) EV_THROW |
3910 | ev_now_update (EV_P) EV_NOEXCEPT |
3423 | { |
3911 | { |
3424 | time_update (EV_A_ 1e100); |
3912 | time_update (EV_A_ 1e100); |
3425 | } |
3913 | } |
3426 | |
3914 | |
3427 | void |
3915 | void |
3428 | ev_suspend (EV_P) EV_THROW |
3916 | ev_suspend (EV_P) EV_NOEXCEPT |
3429 | { |
3917 | { |
3430 | ev_now_update (EV_A); |
3918 | ev_now_update (EV_A); |
3431 | } |
3919 | } |
3432 | |
3920 | |
3433 | void |
3921 | void |
3434 | ev_resume (EV_P) EV_THROW |
3922 | ev_resume (EV_P) EV_NOEXCEPT |
3435 | { |
3923 | { |
3436 | ev_tstamp mn_prev = mn_now; |
3924 | ev_tstamp mn_prev = mn_now; |
3437 | |
3925 | |
3438 | ev_now_update (EV_A); |
3926 | ev_now_update (EV_A); |
3439 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3927 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
3456 | inline_size void |
3944 | inline_size void |
3457 | wlist_del (WL *head, WL elem) |
3945 | wlist_del (WL *head, WL elem) |
3458 | { |
3946 | { |
3459 | while (*head) |
3947 | while (*head) |
3460 | { |
3948 | { |
3461 | if (expect_true (*head == elem)) |
3949 | if (ecb_expect_true (*head == elem)) |
3462 | { |
3950 | { |
3463 | *head = elem->next; |
3951 | *head = elem->next; |
3464 | break; |
3952 | break; |
3465 | } |
3953 | } |
3466 | |
3954 | |
… | |
… | |
3478 | w->pending = 0; |
3966 | w->pending = 0; |
3479 | } |
3967 | } |
3480 | } |
3968 | } |
3481 | |
3969 | |
3482 | int |
3970 | int |
3483 | ev_clear_pending (EV_P_ void *w) EV_THROW |
3971 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
3484 | { |
3972 | { |
3485 | W w_ = (W)w; |
3973 | W w_ = (W)w; |
3486 | int pending = w_->pending; |
3974 | int pending = w_->pending; |
3487 | |
3975 | |
3488 | if (expect_true (pending)) |
3976 | if (ecb_expect_true (pending)) |
3489 | { |
3977 | { |
3490 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
3978 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
3491 | p->w = (W)&pending_w; |
3979 | p->w = (W)&pending_w; |
3492 | w_->pending = 0; |
3980 | w_->pending = 0; |
3493 | return p->events; |
3981 | return p->events; |
… | |
… | |
3520 | w->active = 0; |
4008 | w->active = 0; |
3521 | } |
4009 | } |
3522 | |
4010 | |
3523 | /*****************************************************************************/ |
4011 | /*****************************************************************************/ |
3524 | |
4012 | |
3525 | void noinline |
4013 | ecb_noinline |
|
|
4014 | void |
3526 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
4015 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
3527 | { |
4016 | { |
3528 | int fd = w->fd; |
4017 | int fd = w->fd; |
3529 | |
4018 | |
3530 | if (expect_false (ev_is_active (w))) |
4019 | if (ecb_expect_false (ev_is_active (w))) |
3531 | return; |
4020 | return; |
3532 | |
4021 | |
3533 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
4022 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
3534 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
4023 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3535 | |
4024 | |
|
|
4025 | #if EV_VERIFY >= 2 |
|
|
4026 | assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd))); |
|
|
4027 | #endif |
3536 | EV_FREQUENT_CHECK; |
4028 | EV_FREQUENT_CHECK; |
3537 | |
4029 | |
3538 | ev_start (EV_A_ (W)w, 1); |
4030 | ev_start (EV_A_ (W)w, 1); |
3539 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
4031 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
3540 | wlist_add (&anfds[fd].head, (WL)w); |
4032 | wlist_add (&anfds[fd].head, (WL)w); |
3541 | |
4033 | |
3542 | /* common bug, apparently */ |
4034 | /* common bug, apparently */ |
3543 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
4035 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
3544 | |
4036 | |
… | |
… | |
3546 | w->events &= ~EV__IOFDSET; |
4038 | w->events &= ~EV__IOFDSET; |
3547 | |
4039 | |
3548 | EV_FREQUENT_CHECK; |
4040 | EV_FREQUENT_CHECK; |
3549 | } |
4041 | } |
3550 | |
4042 | |
3551 | void noinline |
4043 | ecb_noinline |
|
|
4044 | void |
3552 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
4045 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
3553 | { |
4046 | { |
3554 | clear_pending (EV_A_ (W)w); |
4047 | clear_pending (EV_A_ (W)w); |
3555 | if (expect_false (!ev_is_active (w))) |
4048 | if (ecb_expect_false (!ev_is_active (w))) |
3556 | return; |
4049 | return; |
3557 | |
4050 | |
3558 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
4051 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
3559 | |
4052 | |
|
|
4053 | #if EV_VERIFY >= 2 |
|
|
4054 | assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd))); |
|
|
4055 | #endif |
3560 | EV_FREQUENT_CHECK; |
4056 | EV_FREQUENT_CHECK; |
3561 | |
4057 | |
3562 | wlist_del (&anfds[w->fd].head, (WL)w); |
4058 | wlist_del (&anfds[w->fd].head, (WL)w); |
3563 | ev_stop (EV_A_ (W)w); |
4059 | ev_stop (EV_A_ (W)w); |
3564 | |
4060 | |
3565 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
4061 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3566 | |
4062 | |
3567 | EV_FREQUENT_CHECK; |
4063 | EV_FREQUENT_CHECK; |
3568 | } |
4064 | } |
3569 | |
4065 | |
3570 | void noinline |
4066 | ecb_noinline |
|
|
4067 | void |
3571 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
4068 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
3572 | { |
4069 | { |
3573 | if (expect_false (ev_is_active (w))) |
4070 | if (ecb_expect_false (ev_is_active (w))) |
3574 | return; |
4071 | return; |
3575 | |
4072 | |
3576 | ev_at (w) += mn_now; |
4073 | ev_at (w) += mn_now; |
3577 | |
4074 | |
3578 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
4075 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
3579 | |
4076 | |
3580 | EV_FREQUENT_CHECK; |
4077 | EV_FREQUENT_CHECK; |
3581 | |
4078 | |
3582 | ++timercnt; |
4079 | ++timercnt; |
3583 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
4080 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
3584 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
4081 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit); |
3585 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
4082 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
3586 | ANHE_at_cache (timers [ev_active (w)]); |
4083 | ANHE_at_cache (timers [ev_active (w)]); |
3587 | upheap (timers, ev_active (w)); |
4084 | upheap (timers, ev_active (w)); |
3588 | |
4085 | |
3589 | EV_FREQUENT_CHECK; |
4086 | EV_FREQUENT_CHECK; |
3590 | |
4087 | |
3591 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
4088 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3592 | } |
4089 | } |
3593 | |
4090 | |
3594 | void noinline |
4091 | ecb_noinline |
|
|
4092 | void |
3595 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
4093 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
3596 | { |
4094 | { |
3597 | clear_pending (EV_A_ (W)w); |
4095 | clear_pending (EV_A_ (W)w); |
3598 | if (expect_false (!ev_is_active (w))) |
4096 | if (ecb_expect_false (!ev_is_active (w))) |
3599 | return; |
4097 | return; |
3600 | |
4098 | |
3601 | EV_FREQUENT_CHECK; |
4099 | EV_FREQUENT_CHECK; |
3602 | |
4100 | |
3603 | { |
4101 | { |
… | |
… | |
3605 | |
4103 | |
3606 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
4104 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
3607 | |
4105 | |
3608 | --timercnt; |
4106 | --timercnt; |
3609 | |
4107 | |
3610 | if (expect_true (active < timercnt + HEAP0)) |
4108 | if (ecb_expect_true (active < timercnt + HEAP0)) |
3611 | { |
4109 | { |
3612 | timers [active] = timers [timercnt + HEAP0]; |
4110 | timers [active] = timers [timercnt + HEAP0]; |
3613 | adjustheap (timers, timercnt, active); |
4111 | adjustheap (timers, timercnt, active); |
3614 | } |
4112 | } |
3615 | } |
4113 | } |
… | |
… | |
3619 | ev_stop (EV_A_ (W)w); |
4117 | ev_stop (EV_A_ (W)w); |
3620 | |
4118 | |
3621 | EV_FREQUENT_CHECK; |
4119 | EV_FREQUENT_CHECK; |
3622 | } |
4120 | } |
3623 | |
4121 | |
3624 | void noinline |
4122 | ecb_noinline |
|
|
4123 | void |
3625 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
4124 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
3626 | { |
4125 | { |
3627 | EV_FREQUENT_CHECK; |
4126 | EV_FREQUENT_CHECK; |
3628 | |
4127 | |
3629 | clear_pending (EV_A_ (W)w); |
4128 | clear_pending (EV_A_ (W)w); |
3630 | |
4129 | |
… | |
… | |
3647 | |
4146 | |
3648 | EV_FREQUENT_CHECK; |
4147 | EV_FREQUENT_CHECK; |
3649 | } |
4148 | } |
3650 | |
4149 | |
3651 | ev_tstamp |
4150 | ev_tstamp |
3652 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
4151 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
3653 | { |
4152 | { |
3654 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4153 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3655 | } |
4154 | } |
3656 | |
4155 | |
3657 | #if EV_PERIODIC_ENABLE |
4156 | #if EV_PERIODIC_ENABLE |
3658 | void noinline |
4157 | ecb_noinline |
|
|
4158 | void |
3659 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
4159 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3660 | { |
4160 | { |
3661 | if (expect_false (ev_is_active (w))) |
4161 | if (ecb_expect_false (ev_is_active (w))) |
3662 | return; |
4162 | return; |
3663 | |
4163 | |
3664 | if (w->reschedule_cb) |
4164 | if (w->reschedule_cb) |
3665 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4165 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
3666 | else if (w->interval) |
4166 | else if (w->interval) |
… | |
… | |
3673 | |
4173 | |
3674 | EV_FREQUENT_CHECK; |
4174 | EV_FREQUENT_CHECK; |
3675 | |
4175 | |
3676 | ++periodiccnt; |
4176 | ++periodiccnt; |
3677 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4177 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
3678 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
4178 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit); |
3679 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4179 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
3680 | ANHE_at_cache (periodics [ev_active (w)]); |
4180 | ANHE_at_cache (periodics [ev_active (w)]); |
3681 | upheap (periodics, ev_active (w)); |
4181 | upheap (periodics, ev_active (w)); |
3682 | |
4182 | |
3683 | EV_FREQUENT_CHECK; |
4183 | EV_FREQUENT_CHECK; |
3684 | |
4184 | |
3685 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4185 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3686 | } |
4186 | } |
3687 | |
4187 | |
3688 | void noinline |
4188 | ecb_noinline |
|
|
4189 | void |
3689 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
4190 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3690 | { |
4191 | { |
3691 | clear_pending (EV_A_ (W)w); |
4192 | clear_pending (EV_A_ (W)w); |
3692 | if (expect_false (!ev_is_active (w))) |
4193 | if (ecb_expect_false (!ev_is_active (w))) |
3693 | return; |
4194 | return; |
3694 | |
4195 | |
3695 | EV_FREQUENT_CHECK; |
4196 | EV_FREQUENT_CHECK; |
3696 | |
4197 | |
3697 | { |
4198 | { |
… | |
… | |
3699 | |
4200 | |
3700 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4201 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
3701 | |
4202 | |
3702 | --periodiccnt; |
4203 | --periodiccnt; |
3703 | |
4204 | |
3704 | if (expect_true (active < periodiccnt + HEAP0)) |
4205 | if (ecb_expect_true (active < periodiccnt + HEAP0)) |
3705 | { |
4206 | { |
3706 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4207 | periodics [active] = periodics [periodiccnt + HEAP0]; |
3707 | adjustheap (periodics, periodiccnt, active); |
4208 | adjustheap (periodics, periodiccnt, active); |
3708 | } |
4209 | } |
3709 | } |
4210 | } |
… | |
… | |
3711 | ev_stop (EV_A_ (W)w); |
4212 | ev_stop (EV_A_ (W)w); |
3712 | |
4213 | |
3713 | EV_FREQUENT_CHECK; |
4214 | EV_FREQUENT_CHECK; |
3714 | } |
4215 | } |
3715 | |
4216 | |
3716 | void noinline |
4217 | ecb_noinline |
|
|
4218 | void |
3717 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
4219 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3718 | { |
4220 | { |
3719 | /* TODO: use adjustheap and recalculation */ |
4221 | /* TODO: use adjustheap and recalculation */ |
3720 | ev_periodic_stop (EV_A_ w); |
4222 | ev_periodic_stop (EV_A_ w); |
3721 | ev_periodic_start (EV_A_ w); |
4223 | ev_periodic_start (EV_A_ w); |
3722 | } |
4224 | } |
… | |
… | |
3726 | # define SA_RESTART 0 |
4228 | # define SA_RESTART 0 |
3727 | #endif |
4229 | #endif |
3728 | |
4230 | |
3729 | #if EV_SIGNAL_ENABLE |
4231 | #if EV_SIGNAL_ENABLE |
3730 | |
4232 | |
3731 | void noinline |
4233 | ecb_noinline |
|
|
4234 | void |
3732 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
4235 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
3733 | { |
4236 | { |
3734 | if (expect_false (ev_is_active (w))) |
4237 | if (ecb_expect_false (ev_is_active (w))) |
3735 | return; |
4238 | return; |
3736 | |
4239 | |
3737 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4240 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
3738 | |
4241 | |
3739 | #if EV_MULTIPLICITY |
4242 | #if EV_MULTIPLICITY |
… | |
… | |
3808 | } |
4311 | } |
3809 | |
4312 | |
3810 | EV_FREQUENT_CHECK; |
4313 | EV_FREQUENT_CHECK; |
3811 | } |
4314 | } |
3812 | |
4315 | |
3813 | void noinline |
4316 | ecb_noinline |
|
|
4317 | void |
3814 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
4318 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
3815 | { |
4319 | { |
3816 | clear_pending (EV_A_ (W)w); |
4320 | clear_pending (EV_A_ (W)w); |
3817 | if (expect_false (!ev_is_active (w))) |
4321 | if (ecb_expect_false (!ev_is_active (w))) |
3818 | return; |
4322 | return; |
3819 | |
4323 | |
3820 | EV_FREQUENT_CHECK; |
4324 | EV_FREQUENT_CHECK; |
3821 | |
4325 | |
3822 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
4326 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
… | |
… | |
3850 | #endif |
4354 | #endif |
3851 | |
4355 | |
3852 | #if EV_CHILD_ENABLE |
4356 | #if EV_CHILD_ENABLE |
3853 | |
4357 | |
3854 | void |
4358 | void |
3855 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
4359 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
3856 | { |
4360 | { |
3857 | #if EV_MULTIPLICITY |
4361 | #if EV_MULTIPLICITY |
3858 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4362 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3859 | #endif |
4363 | #endif |
3860 | if (expect_false (ev_is_active (w))) |
4364 | if (ecb_expect_false (ev_is_active (w))) |
3861 | return; |
4365 | return; |
3862 | |
4366 | |
3863 | EV_FREQUENT_CHECK; |
4367 | EV_FREQUENT_CHECK; |
3864 | |
4368 | |
3865 | ev_start (EV_A_ (W)w, 1); |
4369 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
3867 | |
4371 | |
3868 | EV_FREQUENT_CHECK; |
4372 | EV_FREQUENT_CHECK; |
3869 | } |
4373 | } |
3870 | |
4374 | |
3871 | void |
4375 | void |
3872 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
4376 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
3873 | { |
4377 | { |
3874 | clear_pending (EV_A_ (W)w); |
4378 | clear_pending (EV_A_ (W)w); |
3875 | if (expect_false (!ev_is_active (w))) |
4379 | if (ecb_expect_false (!ev_is_active (w))) |
3876 | return; |
4380 | return; |
3877 | |
4381 | |
3878 | EV_FREQUENT_CHECK; |
4382 | EV_FREQUENT_CHECK; |
3879 | |
4383 | |
3880 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
4384 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
… | |
… | |
3894 | |
4398 | |
3895 | #define DEF_STAT_INTERVAL 5.0074891 |
4399 | #define DEF_STAT_INTERVAL 5.0074891 |
3896 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4400 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
3897 | #define MIN_STAT_INTERVAL 0.1074891 |
4401 | #define MIN_STAT_INTERVAL 0.1074891 |
3898 | |
4402 | |
3899 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4403 | ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
3900 | |
4404 | |
3901 | #if EV_USE_INOTIFY |
4405 | #if EV_USE_INOTIFY |
3902 | |
4406 | |
3903 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4407 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
3904 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4408 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
3905 | |
4409 | |
3906 | static void noinline |
4410 | ecb_noinline |
|
|
4411 | static void |
3907 | infy_add (EV_P_ ev_stat *w) |
4412 | infy_add (EV_P_ ev_stat *w) |
3908 | { |
4413 | { |
3909 | w->wd = inotify_add_watch (fs_fd, w->path, |
4414 | w->wd = inotify_add_watch (fs_fd, w->path, |
3910 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4415 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
3911 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
4416 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
… | |
… | |
3975 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4480 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
3976 | ev_timer_again (EV_A_ &w->timer); |
4481 | ev_timer_again (EV_A_ &w->timer); |
3977 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4482 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
3978 | } |
4483 | } |
3979 | |
4484 | |
3980 | static void noinline |
4485 | ecb_noinline |
|
|
4486 | static void |
3981 | infy_del (EV_P_ ev_stat *w) |
4487 | infy_del (EV_P_ ev_stat *w) |
3982 | { |
4488 | { |
3983 | int slot; |
4489 | int slot; |
3984 | int wd = w->wd; |
4490 | int wd = w->wd; |
3985 | |
4491 | |
… | |
… | |
3992 | |
4498 | |
3993 | /* remove this watcher, if others are watching it, they will rearm */ |
4499 | /* remove this watcher, if others are watching it, they will rearm */ |
3994 | inotify_rm_watch (fs_fd, wd); |
4500 | inotify_rm_watch (fs_fd, wd); |
3995 | } |
4501 | } |
3996 | |
4502 | |
3997 | static void noinline |
4503 | ecb_noinline |
|
|
4504 | static void |
3998 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4505 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
3999 | { |
4506 | { |
4000 | if (slot < 0) |
4507 | if (slot < 0) |
4001 | /* overflow, need to check for all hash slots */ |
4508 | /* overflow, need to check for all hash slots */ |
4002 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
4509 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
… | |
… | |
4038 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4545 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4039 | ofs += sizeof (struct inotify_event) + ev->len; |
4546 | ofs += sizeof (struct inotify_event) + ev->len; |
4040 | } |
4547 | } |
4041 | } |
4548 | } |
4042 | |
4549 | |
4043 | inline_size void ecb_cold |
4550 | inline_size ecb_cold |
|
|
4551 | void |
4044 | ev_check_2625 (EV_P) |
4552 | ev_check_2625 (EV_P) |
4045 | { |
4553 | { |
4046 | /* kernels < 2.6.25 are borked |
4554 | /* kernels < 2.6.25 are borked |
4047 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
4555 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
4048 | */ |
4556 | */ |
… | |
… | |
4138 | #else |
4646 | #else |
4139 | # define EV_LSTAT(p,b) lstat (p, b) |
4647 | # define EV_LSTAT(p,b) lstat (p, b) |
4140 | #endif |
4648 | #endif |
4141 | |
4649 | |
4142 | void |
4650 | void |
4143 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
4651 | ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT |
4144 | { |
4652 | { |
4145 | if (lstat (w->path, &w->attr) < 0) |
4653 | if (lstat (w->path, &w->attr) < 0) |
4146 | w->attr.st_nlink = 0; |
4654 | w->attr.st_nlink = 0; |
4147 | else if (!w->attr.st_nlink) |
4655 | else if (!w->attr.st_nlink) |
4148 | w->attr.st_nlink = 1; |
4656 | w->attr.st_nlink = 1; |
4149 | } |
4657 | } |
4150 | |
4658 | |
4151 | static void noinline |
4659 | ecb_noinline |
|
|
4660 | static void |
4152 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4661 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4153 | { |
4662 | { |
4154 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4663 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4155 | |
4664 | |
4156 | ev_statdata prev = w->attr; |
4665 | ev_statdata prev = w->attr; |
… | |
… | |
4187 | ev_feed_event (EV_A_ w, EV_STAT); |
4696 | ev_feed_event (EV_A_ w, EV_STAT); |
4188 | } |
4697 | } |
4189 | } |
4698 | } |
4190 | |
4699 | |
4191 | void |
4700 | void |
4192 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
4701 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4193 | { |
4702 | { |
4194 | if (expect_false (ev_is_active (w))) |
4703 | if (ecb_expect_false (ev_is_active (w))) |
4195 | return; |
4704 | return; |
4196 | |
4705 | |
4197 | ev_stat_stat (EV_A_ w); |
4706 | ev_stat_stat (EV_A_ w); |
4198 | |
4707 | |
4199 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
4708 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
… | |
… | |
4218 | |
4727 | |
4219 | EV_FREQUENT_CHECK; |
4728 | EV_FREQUENT_CHECK; |
4220 | } |
4729 | } |
4221 | |
4730 | |
4222 | void |
4731 | void |
4223 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
4732 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4224 | { |
4733 | { |
4225 | clear_pending (EV_A_ (W)w); |
4734 | clear_pending (EV_A_ (W)w); |
4226 | if (expect_false (!ev_is_active (w))) |
4735 | if (ecb_expect_false (!ev_is_active (w))) |
4227 | return; |
4736 | return; |
4228 | |
4737 | |
4229 | EV_FREQUENT_CHECK; |
4738 | EV_FREQUENT_CHECK; |
4230 | |
4739 | |
4231 | #if EV_USE_INOTIFY |
4740 | #if EV_USE_INOTIFY |
… | |
… | |
4244 | } |
4753 | } |
4245 | #endif |
4754 | #endif |
4246 | |
4755 | |
4247 | #if EV_IDLE_ENABLE |
4756 | #if EV_IDLE_ENABLE |
4248 | void |
4757 | void |
4249 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
4758 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4250 | { |
4759 | { |
4251 | if (expect_false (ev_is_active (w))) |
4760 | if (ecb_expect_false (ev_is_active (w))) |
4252 | return; |
4761 | return; |
4253 | |
4762 | |
4254 | pri_adjust (EV_A_ (W)w); |
4763 | pri_adjust (EV_A_ (W)w); |
4255 | |
4764 | |
4256 | EV_FREQUENT_CHECK; |
4765 | EV_FREQUENT_CHECK; |
… | |
… | |
4259 | int active = ++idlecnt [ABSPRI (w)]; |
4768 | int active = ++idlecnt [ABSPRI (w)]; |
4260 | |
4769 | |
4261 | ++idleall; |
4770 | ++idleall; |
4262 | ev_start (EV_A_ (W)w, active); |
4771 | ev_start (EV_A_ (W)w, active); |
4263 | |
4772 | |
4264 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
4773 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit); |
4265 | idles [ABSPRI (w)][active - 1] = w; |
4774 | idles [ABSPRI (w)][active - 1] = w; |
4266 | } |
4775 | } |
4267 | |
4776 | |
4268 | EV_FREQUENT_CHECK; |
4777 | EV_FREQUENT_CHECK; |
4269 | } |
4778 | } |
4270 | |
4779 | |
4271 | void |
4780 | void |
4272 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
4781 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4273 | { |
4782 | { |
4274 | clear_pending (EV_A_ (W)w); |
4783 | clear_pending (EV_A_ (W)w); |
4275 | if (expect_false (!ev_is_active (w))) |
4784 | if (ecb_expect_false (!ev_is_active (w))) |
4276 | return; |
4785 | return; |
4277 | |
4786 | |
4278 | EV_FREQUENT_CHECK; |
4787 | EV_FREQUENT_CHECK; |
4279 | |
4788 | |
4280 | { |
4789 | { |
… | |
… | |
4291 | } |
4800 | } |
4292 | #endif |
4801 | #endif |
4293 | |
4802 | |
4294 | #if EV_PREPARE_ENABLE |
4803 | #if EV_PREPARE_ENABLE |
4295 | void |
4804 | void |
4296 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
4805 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4297 | { |
4806 | { |
4298 | if (expect_false (ev_is_active (w))) |
4807 | if (ecb_expect_false (ev_is_active (w))) |
4299 | return; |
4808 | return; |
4300 | |
4809 | |
4301 | EV_FREQUENT_CHECK; |
4810 | EV_FREQUENT_CHECK; |
4302 | |
4811 | |
4303 | ev_start (EV_A_ (W)w, ++preparecnt); |
4812 | ev_start (EV_A_ (W)w, ++preparecnt); |
4304 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
4813 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit); |
4305 | prepares [preparecnt - 1] = w; |
4814 | prepares [preparecnt - 1] = w; |
4306 | |
4815 | |
4307 | EV_FREQUENT_CHECK; |
4816 | EV_FREQUENT_CHECK; |
4308 | } |
4817 | } |
4309 | |
4818 | |
4310 | void |
4819 | void |
4311 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
4820 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4312 | { |
4821 | { |
4313 | clear_pending (EV_A_ (W)w); |
4822 | clear_pending (EV_A_ (W)w); |
4314 | if (expect_false (!ev_is_active (w))) |
4823 | if (ecb_expect_false (!ev_is_active (w))) |
4315 | return; |
4824 | return; |
4316 | |
4825 | |
4317 | EV_FREQUENT_CHECK; |
4826 | EV_FREQUENT_CHECK; |
4318 | |
4827 | |
4319 | { |
4828 | { |
… | |
… | |
4329 | } |
4838 | } |
4330 | #endif |
4839 | #endif |
4331 | |
4840 | |
4332 | #if EV_CHECK_ENABLE |
4841 | #if EV_CHECK_ENABLE |
4333 | void |
4842 | void |
4334 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
4843 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4335 | { |
4844 | { |
4336 | if (expect_false (ev_is_active (w))) |
4845 | if (ecb_expect_false (ev_is_active (w))) |
4337 | return; |
4846 | return; |
4338 | |
4847 | |
4339 | EV_FREQUENT_CHECK; |
4848 | EV_FREQUENT_CHECK; |
4340 | |
4849 | |
4341 | ev_start (EV_A_ (W)w, ++checkcnt); |
4850 | ev_start (EV_A_ (W)w, ++checkcnt); |
4342 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
4851 | array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit); |
4343 | checks [checkcnt - 1] = w; |
4852 | checks [checkcnt - 1] = w; |
4344 | |
4853 | |
4345 | EV_FREQUENT_CHECK; |
4854 | EV_FREQUENT_CHECK; |
4346 | } |
4855 | } |
4347 | |
4856 | |
4348 | void |
4857 | void |
4349 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
4858 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4350 | { |
4859 | { |
4351 | clear_pending (EV_A_ (W)w); |
4860 | clear_pending (EV_A_ (W)w); |
4352 | if (expect_false (!ev_is_active (w))) |
4861 | if (ecb_expect_false (!ev_is_active (w))) |
4353 | return; |
4862 | return; |
4354 | |
4863 | |
4355 | EV_FREQUENT_CHECK; |
4864 | EV_FREQUENT_CHECK; |
4356 | |
4865 | |
4357 | { |
4866 | { |
… | |
… | |
4366 | EV_FREQUENT_CHECK; |
4875 | EV_FREQUENT_CHECK; |
4367 | } |
4876 | } |
4368 | #endif |
4877 | #endif |
4369 | |
4878 | |
4370 | #if EV_EMBED_ENABLE |
4879 | #if EV_EMBED_ENABLE |
4371 | void noinline |
4880 | ecb_noinline |
|
|
4881 | void |
4372 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
4882 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4373 | { |
4883 | { |
4374 | ev_run (w->other, EVRUN_NOWAIT); |
4884 | ev_run (w->other, EVRUN_NOWAIT); |
4375 | } |
4885 | } |
4376 | |
4886 | |
4377 | static void |
4887 | static void |
… | |
… | |
4425 | ev_idle_stop (EV_A_ idle); |
4935 | ev_idle_stop (EV_A_ idle); |
4426 | } |
4936 | } |
4427 | #endif |
4937 | #endif |
4428 | |
4938 | |
4429 | void |
4939 | void |
4430 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
4940 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4431 | { |
4941 | { |
4432 | if (expect_false (ev_is_active (w))) |
4942 | if (ecb_expect_false (ev_is_active (w))) |
4433 | return; |
4943 | return; |
4434 | |
4944 | |
4435 | { |
4945 | { |
4436 | EV_P = w->other; |
4946 | EV_P = w->other; |
4437 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
4947 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
… | |
… | |
4456 | |
4966 | |
4457 | EV_FREQUENT_CHECK; |
4967 | EV_FREQUENT_CHECK; |
4458 | } |
4968 | } |
4459 | |
4969 | |
4460 | void |
4970 | void |
4461 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
4971 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
4462 | { |
4972 | { |
4463 | clear_pending (EV_A_ (W)w); |
4973 | clear_pending (EV_A_ (W)w); |
4464 | if (expect_false (!ev_is_active (w))) |
4974 | if (ecb_expect_false (!ev_is_active (w))) |
4465 | return; |
4975 | return; |
4466 | |
4976 | |
4467 | EV_FREQUENT_CHECK; |
4977 | EV_FREQUENT_CHECK; |
4468 | |
4978 | |
4469 | ev_io_stop (EV_A_ &w->io); |
4979 | ev_io_stop (EV_A_ &w->io); |
… | |
… | |
4476 | } |
4986 | } |
4477 | #endif |
4987 | #endif |
4478 | |
4988 | |
4479 | #if EV_FORK_ENABLE |
4989 | #if EV_FORK_ENABLE |
4480 | void |
4990 | void |
4481 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
4991 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
4482 | { |
4992 | { |
4483 | if (expect_false (ev_is_active (w))) |
4993 | if (ecb_expect_false (ev_is_active (w))) |
4484 | return; |
4994 | return; |
4485 | |
4995 | |
4486 | EV_FREQUENT_CHECK; |
4996 | EV_FREQUENT_CHECK; |
4487 | |
4997 | |
4488 | ev_start (EV_A_ (W)w, ++forkcnt); |
4998 | ev_start (EV_A_ (W)w, ++forkcnt); |
4489 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
4999 | array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit); |
4490 | forks [forkcnt - 1] = w; |
5000 | forks [forkcnt - 1] = w; |
4491 | |
5001 | |
4492 | EV_FREQUENT_CHECK; |
5002 | EV_FREQUENT_CHECK; |
4493 | } |
5003 | } |
4494 | |
5004 | |
4495 | void |
5005 | void |
4496 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
5006 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
4497 | { |
5007 | { |
4498 | clear_pending (EV_A_ (W)w); |
5008 | clear_pending (EV_A_ (W)w); |
4499 | if (expect_false (!ev_is_active (w))) |
5009 | if (ecb_expect_false (!ev_is_active (w))) |
4500 | return; |
5010 | return; |
4501 | |
5011 | |
4502 | EV_FREQUENT_CHECK; |
5012 | EV_FREQUENT_CHECK; |
4503 | |
5013 | |
4504 | { |
5014 | { |
… | |
… | |
4514 | } |
5024 | } |
4515 | #endif |
5025 | #endif |
4516 | |
5026 | |
4517 | #if EV_CLEANUP_ENABLE |
5027 | #if EV_CLEANUP_ENABLE |
4518 | void |
5028 | void |
4519 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
5029 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4520 | { |
5030 | { |
4521 | if (expect_false (ev_is_active (w))) |
5031 | if (ecb_expect_false (ev_is_active (w))) |
4522 | return; |
5032 | return; |
4523 | |
5033 | |
4524 | EV_FREQUENT_CHECK; |
5034 | EV_FREQUENT_CHECK; |
4525 | |
5035 | |
4526 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
5036 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
4527 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
5037 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit); |
4528 | cleanups [cleanupcnt - 1] = w; |
5038 | cleanups [cleanupcnt - 1] = w; |
4529 | |
5039 | |
4530 | /* cleanup watchers should never keep a refcount on the loop */ |
5040 | /* cleanup watchers should never keep a refcount on the loop */ |
4531 | ev_unref (EV_A); |
5041 | ev_unref (EV_A); |
4532 | EV_FREQUENT_CHECK; |
5042 | EV_FREQUENT_CHECK; |
4533 | } |
5043 | } |
4534 | |
5044 | |
4535 | void |
5045 | void |
4536 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
5046 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4537 | { |
5047 | { |
4538 | clear_pending (EV_A_ (W)w); |
5048 | clear_pending (EV_A_ (W)w); |
4539 | if (expect_false (!ev_is_active (w))) |
5049 | if (ecb_expect_false (!ev_is_active (w))) |
4540 | return; |
5050 | return; |
4541 | |
5051 | |
4542 | EV_FREQUENT_CHECK; |
5052 | EV_FREQUENT_CHECK; |
4543 | ev_ref (EV_A); |
5053 | ev_ref (EV_A); |
4544 | |
5054 | |
… | |
… | |
4555 | } |
5065 | } |
4556 | #endif |
5066 | #endif |
4557 | |
5067 | |
4558 | #if EV_ASYNC_ENABLE |
5068 | #if EV_ASYNC_ENABLE |
4559 | void |
5069 | void |
4560 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
5070 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
4561 | { |
5071 | { |
4562 | if (expect_false (ev_is_active (w))) |
5072 | if (ecb_expect_false (ev_is_active (w))) |
4563 | return; |
5073 | return; |
4564 | |
5074 | |
4565 | w->sent = 0; |
5075 | w->sent = 0; |
4566 | |
5076 | |
4567 | evpipe_init (EV_A); |
5077 | evpipe_init (EV_A); |
4568 | |
5078 | |
4569 | EV_FREQUENT_CHECK; |
5079 | EV_FREQUENT_CHECK; |
4570 | |
5080 | |
4571 | ev_start (EV_A_ (W)w, ++asynccnt); |
5081 | ev_start (EV_A_ (W)w, ++asynccnt); |
4572 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
5082 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit); |
4573 | asyncs [asynccnt - 1] = w; |
5083 | asyncs [asynccnt - 1] = w; |
4574 | |
5084 | |
4575 | EV_FREQUENT_CHECK; |
5085 | EV_FREQUENT_CHECK; |
4576 | } |
5086 | } |
4577 | |
5087 | |
4578 | void |
5088 | void |
4579 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
5089 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
4580 | { |
5090 | { |
4581 | clear_pending (EV_A_ (W)w); |
5091 | clear_pending (EV_A_ (W)w); |
4582 | if (expect_false (!ev_is_active (w))) |
5092 | if (ecb_expect_false (!ev_is_active (w))) |
4583 | return; |
5093 | return; |
4584 | |
5094 | |
4585 | EV_FREQUENT_CHECK; |
5095 | EV_FREQUENT_CHECK; |
4586 | |
5096 | |
4587 | { |
5097 | { |
… | |
… | |
4595 | |
5105 | |
4596 | EV_FREQUENT_CHECK; |
5106 | EV_FREQUENT_CHECK; |
4597 | } |
5107 | } |
4598 | |
5108 | |
4599 | void |
5109 | void |
4600 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
5110 | ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT |
4601 | { |
5111 | { |
4602 | w->sent = 1; |
5112 | w->sent = 1; |
4603 | evpipe_write (EV_A_ &async_pending); |
5113 | evpipe_write (EV_A_ &async_pending); |
4604 | } |
5114 | } |
4605 | #endif |
5115 | #endif |
… | |
… | |
4642 | |
5152 | |
4643 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
5153 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4644 | } |
5154 | } |
4645 | |
5155 | |
4646 | void |
5156 | void |
4647 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
5157 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT |
4648 | { |
5158 | { |
4649 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
5159 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4650 | |
|
|
4651 | if (expect_false (!once)) |
|
|
4652 | { |
|
|
4653 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
|
|
4654 | return; |
|
|
4655 | } |
|
|
4656 | |
5160 | |
4657 | once->cb = cb; |
5161 | once->cb = cb; |
4658 | once->arg = arg; |
5162 | once->arg = arg; |
4659 | |
5163 | |
4660 | ev_init (&once->io, once_cb_io); |
5164 | ev_init (&once->io, once_cb_io); |
… | |
… | |
4673 | } |
5177 | } |
4674 | |
5178 | |
4675 | /*****************************************************************************/ |
5179 | /*****************************************************************************/ |
4676 | |
5180 | |
4677 | #if EV_WALK_ENABLE |
5181 | #if EV_WALK_ENABLE |
4678 | void ecb_cold |
5182 | ecb_cold |
|
|
5183 | void |
4679 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
5184 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT |
4680 | { |
5185 | { |
4681 | int i, j; |
5186 | int i, j; |
4682 | ev_watcher_list *wl, *wn; |
5187 | ev_watcher_list *wl, *wn; |
4683 | |
5188 | |
4684 | if (types & (EV_IO | EV_EMBED)) |
5189 | if (types & (EV_IO | EV_EMBED)) |