1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009 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 | * |
… | |
… | |
47 | # include EV_CONFIG_H |
47 | # include EV_CONFIG_H |
48 | # else |
48 | # else |
49 | # include "config.h" |
49 | # include "config.h" |
50 | # endif |
50 | # endif |
51 | |
51 | |
|
|
52 | # if HAVE_CLOCK_SYSCALL |
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|
53 | # ifndef EV_USE_CLOCK_SYSCALL |
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|
54 | # define EV_USE_CLOCK_SYSCALL 1 |
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|
55 | # ifndef EV_USE_REALTIME |
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56 | # define EV_USE_REALTIME 0 |
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57 | # endif |
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58 | # ifndef EV_USE_MONOTONIC |
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59 | # define EV_USE_MONOTONIC 1 |
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60 | # endif |
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|
61 | # endif |
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62 | # elif !defined(EV_USE_CLOCK_SYSCALL) |
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63 | # define EV_USE_CLOCK_SYSCALL 0 |
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64 | # endif |
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65 | |
52 | # if HAVE_CLOCK_GETTIME |
66 | # if HAVE_CLOCK_GETTIME |
53 | # ifndef EV_USE_MONOTONIC |
67 | # ifndef EV_USE_MONOTONIC |
54 | # define EV_USE_MONOTONIC 1 |
68 | # define EV_USE_MONOTONIC 1 |
55 | # endif |
69 | # endif |
56 | # ifndef EV_USE_REALTIME |
70 | # ifndef EV_USE_REALTIME |
57 | # define EV_USE_REALTIME 1 |
71 | # define EV_USE_REALTIME 0 |
58 | # endif |
72 | # endif |
59 | # else |
73 | # else |
60 | # ifndef EV_USE_MONOTONIC |
74 | # ifndef EV_USE_MONOTONIC |
61 | # define EV_USE_MONOTONIC 0 |
75 | # define EV_USE_MONOTONIC 0 |
62 | # endif |
76 | # endif |
… | |
… | |
119 | # else |
133 | # else |
120 | # define EV_USE_INOTIFY 0 |
134 | # define EV_USE_INOTIFY 0 |
121 | # endif |
135 | # endif |
122 | # endif |
136 | # endif |
123 | |
137 | |
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138 | # ifndef EV_USE_SIGNALFD |
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139 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
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140 | # define EV_USE_SIGNALFD 1 |
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141 | # else |
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142 | # define EV_USE_SIGNALFD 0 |
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143 | # endif |
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144 | # endif |
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145 | |
124 | # ifndef EV_USE_EVENTFD |
146 | # ifndef EV_USE_EVENTFD |
125 | # if HAVE_EVENTFD |
147 | # if HAVE_EVENTFD |
126 | # define EV_USE_EVENTFD 1 |
148 | # define EV_USE_EVENTFD 1 |
127 | # else |
149 | # else |
128 | # define EV_USE_EVENTFD 0 |
150 | # define EV_USE_EVENTFD 0 |
… | |
… | |
164 | # endif |
186 | # endif |
165 | #endif |
187 | #endif |
166 | |
188 | |
167 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
189 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
168 | |
190 | |
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191 | /* try to deduce the maximum number of signals on this platform */ |
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192 | #if defined (EV_NSIG) |
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193 | /* use what's provided */ |
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194 | #elif defined (NSIG) |
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195 | # define EV_NSIG (NSIG) |
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196 | #elif defined(_NSIG) |
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197 | # define EV_NSIG (_NSIG) |
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198 | #elif defined (SIGMAX) |
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199 | # define EV_NSIG (SIGMAX+1) |
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200 | #elif defined (SIG_MAX) |
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201 | # define EV_NSIG (SIG_MAX+1) |
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202 | #elif defined (_SIG_MAX) |
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203 | # define EV_NSIG (_SIG_MAX+1) |
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204 | #elif defined (MAXSIG) |
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205 | # define EV_NSIG (MAXSIG+1) |
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206 | #elif defined (MAX_SIG) |
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207 | # define EV_NSIG (MAX_SIG+1) |
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208 | #elif defined (SIGARRAYSIZE) |
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209 | # define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ |
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210 | #elif defined (_sys_nsig) |
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211 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
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212 | #else |
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213 | # error "unable to find value for NSIG, please report" |
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214 | /* to make it compile regardless, just remove the above line */ |
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215 | # define EV_NSIG 65 |
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216 | #endif |
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217 | |
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218 | #ifndef EV_USE_CLOCK_SYSCALL |
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219 | # if __linux && __GLIBC__ >= 2 |
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220 | # define EV_USE_CLOCK_SYSCALL 1 |
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221 | # else |
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222 | # define EV_USE_CLOCK_SYSCALL 0 |
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223 | # endif |
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224 | #endif |
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225 | |
169 | #ifndef EV_USE_MONOTONIC |
226 | #ifndef EV_USE_MONOTONIC |
170 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
227 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
171 | # define EV_USE_MONOTONIC 1 |
228 | # define EV_USE_MONOTONIC 1 |
172 | # else |
229 | # else |
173 | # define EV_USE_MONOTONIC 0 |
230 | # define EV_USE_MONOTONIC 0 |
174 | # endif |
231 | # endif |
175 | #endif |
232 | #endif |
176 | |
233 | |
177 | #ifndef EV_USE_REALTIME |
234 | #ifndef EV_USE_REALTIME |
178 | # define EV_USE_REALTIME 0 |
235 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
179 | #endif |
236 | #endif |
180 | |
237 | |
181 | #ifndef EV_USE_NANOSLEEP |
238 | #ifndef EV_USE_NANOSLEEP |
182 | # if _POSIX_C_SOURCE >= 199309L |
239 | # if _POSIX_C_SOURCE >= 199309L |
183 | # define EV_USE_NANOSLEEP 1 |
240 | # define EV_USE_NANOSLEEP 1 |
… | |
… | |
244 | # else |
301 | # else |
245 | # define EV_USE_EVENTFD 0 |
302 | # define EV_USE_EVENTFD 0 |
246 | # endif |
303 | # endif |
247 | #endif |
304 | #endif |
248 | |
305 | |
|
|
306 | #ifndef EV_USE_SIGNALFD |
|
|
307 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9)) |
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308 | # define EV_USE_SIGNALFD 1 |
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309 | # else |
|
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310 | # define EV_USE_SIGNALFD 0 |
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311 | # endif |
|
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312 | #endif |
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313 | |
249 | #if 0 /* debugging */ |
314 | #if 0 /* debugging */ |
250 | # define EV_VERIFY 3 |
315 | # define EV_VERIFY 3 |
251 | # define EV_USE_4HEAP 1 |
316 | # define EV_USE_4HEAP 1 |
252 | # define EV_HEAP_CACHE_AT 1 |
317 | # define EV_HEAP_CACHE_AT 1 |
253 | #endif |
318 | #endif |
… | |
… | |
262 | |
327 | |
263 | #ifndef EV_HEAP_CACHE_AT |
328 | #ifndef EV_HEAP_CACHE_AT |
264 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
329 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
265 | #endif |
330 | #endif |
266 | |
331 | |
|
|
332 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
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333 | /* which makes programs even slower. might work on other unices, too. */ |
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334 | #if EV_USE_CLOCK_SYSCALL |
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335 | # include <syscall.h> |
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336 | # ifdef SYS_clock_gettime |
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337 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
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338 | # undef EV_USE_MONOTONIC |
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339 | # define EV_USE_MONOTONIC 1 |
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340 | # else |
|
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341 | # undef EV_USE_CLOCK_SYSCALL |
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342 | # define EV_USE_CLOCK_SYSCALL 0 |
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343 | # endif |
|
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344 | #endif |
|
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345 | |
267 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
346 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
268 | |
347 | |
269 | #ifndef CLOCK_MONOTONIC |
348 | #ifndef CLOCK_MONOTONIC |
270 | # undef EV_USE_MONOTONIC |
349 | # undef EV_USE_MONOTONIC |
271 | # define EV_USE_MONOTONIC 0 |
350 | # define EV_USE_MONOTONIC 0 |
… | |
… | |
287 | # endif |
366 | # endif |
288 | #endif |
367 | #endif |
289 | |
368 | |
290 | #if EV_USE_INOTIFY |
369 | #if EV_USE_INOTIFY |
291 | # include <sys/utsname.h> |
370 | # include <sys/utsname.h> |
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|
371 | # include <sys/statfs.h> |
292 | # include <sys/inotify.h> |
372 | # include <sys/inotify.h> |
293 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
373 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
294 | # ifndef IN_DONT_FOLLOW |
374 | # ifndef IN_DONT_FOLLOW |
295 | # undef EV_USE_INOTIFY |
375 | # undef EV_USE_INOTIFY |
296 | # define EV_USE_INOTIFY 0 |
376 | # define EV_USE_INOTIFY 0 |
… | |
… | |
302 | #endif |
382 | #endif |
303 | |
383 | |
304 | #if EV_USE_EVENTFD |
384 | #if EV_USE_EVENTFD |
305 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
385 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
306 | # include <stdint.h> |
386 | # include <stdint.h> |
|
|
387 | # ifndef EFD_NONBLOCK |
|
|
388 | # define EFD_NONBLOCK O_NONBLOCK |
|
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389 | # endif |
|
|
390 | # ifndef EFD_CLOEXEC |
|
|
391 | # ifdef O_CLOEXEC |
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392 | # define EFD_CLOEXEC O_CLOEXEC |
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393 | # else |
|
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394 | # define EFD_CLOEXEC 02000000 |
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|
395 | # endif |
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|
396 | # endif |
307 | # ifdef __cplusplus |
397 | # ifdef __cplusplus |
308 | extern "C" { |
398 | extern "C" { |
309 | # endif |
399 | # endif |
310 | int eventfd (unsigned int initval, int flags); |
400 | int eventfd (unsigned int initval, int flags); |
311 | # ifdef __cplusplus |
401 | # ifdef __cplusplus |
312 | } |
402 | } |
313 | # endif |
403 | # endif |
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|
404 | #endif |
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405 | |
|
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406 | #if EV_USE_SIGNALFD |
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407 | # include <sys/signalfd.h> |
314 | #endif |
408 | #endif |
315 | |
409 | |
316 | /**/ |
410 | /**/ |
317 | |
411 | |
318 | #if EV_VERIFY >= 3 |
412 | #if EV_VERIFY >= 3 |
… | |
… | |
354 | # define inline_speed static noinline |
448 | # define inline_speed static noinline |
355 | #else |
449 | #else |
356 | # define inline_speed static inline |
450 | # define inline_speed static inline |
357 | #endif |
451 | #endif |
358 | |
452 | |
359 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
453 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
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454 | |
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455 | #if EV_MINPRI == EV_MAXPRI |
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456 | # define ABSPRI(w) (((W)w), 0) |
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457 | #else |
360 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
458 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
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|
459 | #endif |
361 | |
460 | |
362 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
461 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
363 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
462 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
364 | |
463 | |
365 | typedef ev_watcher *W; |
464 | typedef ev_watcher *W; |
… | |
… | |
367 | typedef ev_watcher_time *WT; |
466 | typedef ev_watcher_time *WT; |
368 | |
467 | |
369 | #define ev_active(w) ((W)(w))->active |
468 | #define ev_active(w) ((W)(w))->active |
370 | #define ev_at(w) ((WT)(w))->at |
469 | #define ev_at(w) ((WT)(w))->at |
371 | |
470 | |
372 | #if EV_USE_MONOTONIC |
471 | #if EV_USE_REALTIME |
373 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
472 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
374 | /* giving it a reasonably high chance of working on typical architetcures */ |
473 | /* giving it a reasonably high chance of working on typical architetcures */ |
|
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474 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
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475 | #endif |
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476 | |
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477 | #if EV_USE_MONOTONIC |
375 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
478 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
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|
479 | #endif |
|
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480 | |
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481 | #ifndef EV_FD_TO_WIN32_HANDLE |
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|
482 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
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|
483 | #endif |
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484 | #ifndef EV_WIN32_HANDLE_TO_FD |
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|
485 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (fd, 0) |
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486 | #endif |
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487 | #ifndef EV_WIN32_CLOSE_FD |
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488 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
376 | #endif |
489 | #endif |
377 | |
490 | |
378 | #ifdef _WIN32 |
491 | #ifdef _WIN32 |
379 | # include "ev_win32.c" |
492 | # include "ev_win32.c" |
380 | #endif |
493 | #endif |
… | |
… | |
444 | #define ev_malloc(size) ev_realloc (0, (size)) |
557 | #define ev_malloc(size) ev_realloc (0, (size)) |
445 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
558 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
446 | |
559 | |
447 | /*****************************************************************************/ |
560 | /*****************************************************************************/ |
448 | |
561 | |
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562 | /* set in reify when reification needed */ |
|
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563 | #define EV_ANFD_REIFY 1 |
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564 | |
|
|
565 | /* file descriptor info structure */ |
449 | typedef struct |
566 | typedef struct |
450 | { |
567 | { |
451 | WL head; |
568 | WL head; |
452 | unsigned char events; |
569 | unsigned char events; /* the events watched for */ |
453 | unsigned char reify; |
570 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
454 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
571 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
455 | unsigned char unused; |
572 | unsigned char unused; |
456 | #if EV_USE_EPOLL |
573 | #if EV_USE_EPOLL |
457 | unsigned int egen; /* generation counter to counter epoll bugs */ |
574 | unsigned int egen; /* generation counter to counter epoll bugs */ |
458 | #endif |
575 | #endif |
459 | #if EV_SELECT_IS_WINSOCKET |
576 | #if EV_SELECT_IS_WINSOCKET |
460 | SOCKET handle; |
577 | SOCKET handle; |
461 | #endif |
578 | #endif |
462 | } ANFD; |
579 | } ANFD; |
463 | |
580 | |
|
|
581 | /* stores the pending event set for a given watcher */ |
464 | typedef struct |
582 | typedef struct |
465 | { |
583 | { |
466 | W w; |
584 | W w; |
467 | int events; |
585 | int events; /* the pending event set for the given watcher */ |
468 | } ANPENDING; |
586 | } ANPENDING; |
469 | |
587 | |
470 | #if EV_USE_INOTIFY |
588 | #if EV_USE_INOTIFY |
471 | /* hash table entry per inotify-id */ |
589 | /* hash table entry per inotify-id */ |
472 | typedef struct |
590 | typedef struct |
… | |
… | |
475 | } ANFS; |
593 | } ANFS; |
476 | #endif |
594 | #endif |
477 | |
595 | |
478 | /* Heap Entry */ |
596 | /* Heap Entry */ |
479 | #if EV_HEAP_CACHE_AT |
597 | #if EV_HEAP_CACHE_AT |
|
|
598 | /* a heap element */ |
480 | typedef struct { |
599 | typedef struct { |
481 | ev_tstamp at; |
600 | ev_tstamp at; |
482 | WT w; |
601 | WT w; |
483 | } ANHE; |
602 | } ANHE; |
484 | |
603 | |
485 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
604 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
486 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
605 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
487 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
606 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
488 | #else |
607 | #else |
|
|
608 | /* a heap element */ |
489 | typedef WT ANHE; |
609 | typedef WT ANHE; |
490 | |
610 | |
491 | #define ANHE_w(he) (he) |
611 | #define ANHE_w(he) (he) |
492 | #define ANHE_at(he) (he)->at |
612 | #define ANHE_at(he) (he)->at |
493 | #define ANHE_at_cache(he) |
613 | #define ANHE_at_cache(he) |
… | |
… | |
517 | |
637 | |
518 | static int ev_default_loop_ptr; |
638 | static int ev_default_loop_ptr; |
519 | |
639 | |
520 | #endif |
640 | #endif |
521 | |
641 | |
|
|
642 | #if EV_MINIMAL < 2 |
|
|
643 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
|
|
644 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
|
|
645 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
|
|
646 | #else |
|
|
647 | # define EV_RELEASE_CB (void)0 |
|
|
648 | # define EV_ACQUIRE_CB (void)0 |
|
|
649 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
|
|
650 | #endif |
|
|
651 | |
|
|
652 | #define EVUNLOOP_RECURSE 0x80 |
|
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653 | |
522 | /*****************************************************************************/ |
654 | /*****************************************************************************/ |
523 | |
655 | |
|
|
656 | #ifndef EV_HAVE_EV_TIME |
524 | ev_tstamp |
657 | ev_tstamp |
525 | ev_time (void) |
658 | ev_time (void) |
526 | { |
659 | { |
527 | #if EV_USE_REALTIME |
660 | #if EV_USE_REALTIME |
|
|
661 | if (expect_true (have_realtime)) |
|
|
662 | { |
528 | struct timespec ts; |
663 | struct timespec ts; |
529 | clock_gettime (CLOCK_REALTIME, &ts); |
664 | clock_gettime (CLOCK_REALTIME, &ts); |
530 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
665 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
531 | #else |
666 | } |
|
|
667 | #endif |
|
|
668 | |
532 | struct timeval tv; |
669 | struct timeval tv; |
533 | gettimeofday (&tv, 0); |
670 | gettimeofday (&tv, 0); |
534 | return tv.tv_sec + tv.tv_usec * 1e-6; |
671 | return tv.tv_sec + tv.tv_usec * 1e-6; |
535 | #endif |
|
|
536 | } |
672 | } |
|
|
673 | #endif |
537 | |
674 | |
538 | ev_tstamp inline_size |
675 | inline_size ev_tstamp |
539 | get_clock (void) |
676 | get_clock (void) |
540 | { |
677 | { |
541 | #if EV_USE_MONOTONIC |
678 | #if EV_USE_MONOTONIC |
542 | if (expect_true (have_monotonic)) |
679 | if (expect_true (have_monotonic)) |
543 | { |
680 | { |
… | |
… | |
577 | |
714 | |
578 | tv.tv_sec = (time_t)delay; |
715 | tv.tv_sec = (time_t)delay; |
579 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
716 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
580 | |
717 | |
581 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
718 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
582 | /* somehting nto guaranteed by newer posix versions, but guaranteed */ |
719 | /* something not guaranteed by newer posix versions, but guaranteed */ |
583 | /* by older ones */ |
720 | /* by older ones */ |
584 | select (0, 0, 0, 0, &tv); |
721 | select (0, 0, 0, 0, &tv); |
585 | #endif |
722 | #endif |
586 | } |
723 | } |
587 | } |
724 | } |
588 | |
725 | |
589 | /*****************************************************************************/ |
726 | /*****************************************************************************/ |
590 | |
727 | |
591 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
728 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
592 | |
729 | |
593 | int inline_size |
730 | /* find a suitable new size for the given array, */ |
|
|
731 | /* hopefully by rounding to a ncie-to-malloc size */ |
|
|
732 | inline_size int |
594 | array_nextsize (int elem, int cur, int cnt) |
733 | array_nextsize (int elem, int cur, int cnt) |
595 | { |
734 | { |
596 | int ncur = cur + 1; |
735 | int ncur = cur + 1; |
597 | |
736 | |
598 | do |
737 | do |
… | |
… | |
639 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
778 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
640 | } |
779 | } |
641 | #endif |
780 | #endif |
642 | |
781 | |
643 | #define array_free(stem, idx) \ |
782 | #define array_free(stem, idx) \ |
644 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
783 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
645 | |
784 | |
646 | /*****************************************************************************/ |
785 | /*****************************************************************************/ |
|
|
786 | |
|
|
787 | /* dummy callback for pending events */ |
|
|
788 | static void noinline |
|
|
789 | pendingcb (EV_P_ ev_prepare *w, int revents) |
|
|
790 | { |
|
|
791 | } |
647 | |
792 | |
648 | void noinline |
793 | void noinline |
649 | ev_feed_event (EV_P_ void *w, int revents) |
794 | ev_feed_event (EV_P_ void *w, int revents) |
650 | { |
795 | { |
651 | W w_ = (W)w; |
796 | W w_ = (W)w; |
… | |
… | |
660 | pendings [pri][w_->pending - 1].w = w_; |
805 | pendings [pri][w_->pending - 1].w = w_; |
661 | pendings [pri][w_->pending - 1].events = revents; |
806 | pendings [pri][w_->pending - 1].events = revents; |
662 | } |
807 | } |
663 | } |
808 | } |
664 | |
809 | |
665 | void inline_speed |
810 | inline_speed void |
|
|
811 | feed_reverse (EV_P_ W w) |
|
|
812 | { |
|
|
813 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
|
|
814 | rfeeds [rfeedcnt++] = w; |
|
|
815 | } |
|
|
816 | |
|
|
817 | inline_size void |
|
|
818 | feed_reverse_done (EV_P_ int revents) |
|
|
819 | { |
|
|
820 | do |
|
|
821 | ev_feed_event (EV_A_ rfeeds [--rfeedcnt], revents); |
|
|
822 | while (rfeedcnt); |
|
|
823 | } |
|
|
824 | |
|
|
825 | inline_speed void |
666 | queue_events (EV_P_ W *events, int eventcnt, int type) |
826 | queue_events (EV_P_ W *events, int eventcnt, int type) |
667 | { |
827 | { |
668 | int i; |
828 | int i; |
669 | |
829 | |
670 | for (i = 0; i < eventcnt; ++i) |
830 | for (i = 0; i < eventcnt; ++i) |
671 | ev_feed_event (EV_A_ events [i], type); |
831 | ev_feed_event (EV_A_ events [i], type); |
672 | } |
832 | } |
673 | |
833 | |
674 | /*****************************************************************************/ |
834 | /*****************************************************************************/ |
675 | |
835 | |
676 | void inline_speed |
836 | inline_speed void |
677 | fd_event (EV_P_ int fd, int revents) |
837 | fd_event_nc (EV_P_ int fd, int revents) |
678 | { |
838 | { |
679 | ANFD *anfd = anfds + fd; |
839 | ANFD *anfd = anfds + fd; |
680 | ev_io *w; |
840 | ev_io *w; |
681 | |
841 | |
682 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
842 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
686 | if (ev) |
846 | if (ev) |
687 | ev_feed_event (EV_A_ (W)w, ev); |
847 | ev_feed_event (EV_A_ (W)w, ev); |
688 | } |
848 | } |
689 | } |
849 | } |
690 | |
850 | |
|
|
851 | /* do not submit kernel events for fds that have reify set */ |
|
|
852 | /* because that means they changed while we were polling for new events */ |
|
|
853 | inline_speed void |
|
|
854 | fd_event (EV_P_ int fd, int revents) |
|
|
855 | { |
|
|
856 | ANFD *anfd = anfds + fd; |
|
|
857 | |
|
|
858 | if (expect_true (!anfd->reify)) |
|
|
859 | fd_event_nc (EV_A_ fd, revents); |
|
|
860 | } |
|
|
861 | |
691 | void |
862 | void |
692 | ev_feed_fd_event (EV_P_ int fd, int revents) |
863 | ev_feed_fd_event (EV_P_ int fd, int revents) |
693 | { |
864 | { |
694 | if (fd >= 0 && fd < anfdmax) |
865 | if (fd >= 0 && fd < anfdmax) |
695 | fd_event (EV_A_ fd, revents); |
866 | fd_event_nc (EV_A_ fd, revents); |
696 | } |
867 | } |
697 | |
868 | |
698 | void inline_size |
869 | /* make sure the external fd watch events are in-sync */ |
|
|
870 | /* with the kernel/libev internal state */ |
|
|
871 | inline_size void |
699 | fd_reify (EV_P) |
872 | fd_reify (EV_P) |
700 | { |
873 | { |
701 | int i; |
874 | int i; |
702 | |
875 | |
703 | for (i = 0; i < fdchangecnt; ++i) |
876 | for (i = 0; i < fdchangecnt; ++i) |
… | |
… | |
713 | |
886 | |
714 | #if EV_SELECT_IS_WINSOCKET |
887 | #if EV_SELECT_IS_WINSOCKET |
715 | if (events) |
888 | if (events) |
716 | { |
889 | { |
717 | unsigned long arg; |
890 | unsigned long arg; |
718 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
719 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
891 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
720 | #else |
|
|
721 | anfd->handle = _get_osfhandle (fd); |
|
|
722 | #endif |
|
|
723 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
892 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
724 | } |
893 | } |
725 | #endif |
894 | #endif |
726 | |
895 | |
727 | { |
896 | { |
728 | unsigned char o_events = anfd->events; |
897 | unsigned char o_events = anfd->events; |
729 | unsigned char o_reify = anfd->reify; |
898 | unsigned char o_reify = anfd->reify; |
730 | |
899 | |
731 | anfd->reify = 0; |
900 | anfd->reify = 0; |
732 | anfd->events = events; |
901 | anfd->events = events; |
733 | |
902 | |
734 | if (o_events != events || o_reify & EV_IOFDSET) |
903 | if (o_events != events || o_reify & EV__IOFDSET) |
735 | backend_modify (EV_A_ fd, o_events, events); |
904 | backend_modify (EV_A_ fd, o_events, events); |
736 | } |
905 | } |
737 | } |
906 | } |
738 | |
907 | |
739 | fdchangecnt = 0; |
908 | fdchangecnt = 0; |
740 | } |
909 | } |
741 | |
910 | |
742 | void inline_size |
911 | /* something about the given fd changed */ |
|
|
912 | inline_size void |
743 | fd_change (EV_P_ int fd, int flags) |
913 | fd_change (EV_P_ int fd, int flags) |
744 | { |
914 | { |
745 | unsigned char reify = anfds [fd].reify; |
915 | unsigned char reify = anfds [fd].reify; |
746 | anfds [fd].reify |= flags; |
916 | anfds [fd].reify |= flags; |
747 | |
917 | |
… | |
… | |
751 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
921 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
752 | fdchanges [fdchangecnt - 1] = fd; |
922 | fdchanges [fdchangecnt - 1] = fd; |
753 | } |
923 | } |
754 | } |
924 | } |
755 | |
925 | |
756 | void inline_speed |
926 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
|
|
927 | inline_speed void |
757 | fd_kill (EV_P_ int fd) |
928 | fd_kill (EV_P_ int fd) |
758 | { |
929 | { |
759 | ev_io *w; |
930 | ev_io *w; |
760 | |
931 | |
761 | while ((w = (ev_io *)anfds [fd].head)) |
932 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
763 | ev_io_stop (EV_A_ w); |
934 | ev_io_stop (EV_A_ w); |
764 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
935 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
765 | } |
936 | } |
766 | } |
937 | } |
767 | |
938 | |
768 | int inline_size |
939 | /* check whether the given fd is atcually valid, for error recovery */ |
|
|
940 | inline_size int |
769 | fd_valid (int fd) |
941 | fd_valid (int fd) |
770 | { |
942 | { |
771 | #ifdef _WIN32 |
943 | #ifdef _WIN32 |
772 | return _get_osfhandle (fd) != -1; |
944 | return _get_osfhandle (fd) != -1; |
773 | #else |
945 | #else |
… | |
… | |
795 | |
967 | |
796 | for (fd = anfdmax; fd--; ) |
968 | for (fd = anfdmax; fd--; ) |
797 | if (anfds [fd].events) |
969 | if (anfds [fd].events) |
798 | { |
970 | { |
799 | fd_kill (EV_A_ fd); |
971 | fd_kill (EV_A_ fd); |
800 | return; |
972 | break; |
801 | } |
973 | } |
802 | } |
974 | } |
803 | |
975 | |
804 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
976 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
805 | static void noinline |
977 | static void noinline |
… | |
… | |
810 | for (fd = 0; fd < anfdmax; ++fd) |
982 | for (fd = 0; fd < anfdmax; ++fd) |
811 | if (anfds [fd].events) |
983 | if (anfds [fd].events) |
812 | { |
984 | { |
813 | anfds [fd].events = 0; |
985 | anfds [fd].events = 0; |
814 | anfds [fd].emask = 0; |
986 | anfds [fd].emask = 0; |
815 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
987 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
816 | } |
988 | } |
817 | } |
989 | } |
818 | |
990 | |
819 | /*****************************************************************************/ |
991 | /*****************************************************************************/ |
820 | |
992 | |
… | |
… | |
836 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
1008 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
837 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
1009 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
838 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
1010 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
839 | |
1011 | |
840 | /* away from the root */ |
1012 | /* away from the root */ |
841 | void inline_speed |
1013 | inline_speed void |
842 | downheap (ANHE *heap, int N, int k) |
1014 | downheap (ANHE *heap, int N, int k) |
843 | { |
1015 | { |
844 | ANHE he = heap [k]; |
1016 | ANHE he = heap [k]; |
845 | ANHE *E = heap + N + HEAP0; |
1017 | ANHE *E = heap + N + HEAP0; |
846 | |
1018 | |
… | |
… | |
886 | #define HEAP0 1 |
1058 | #define HEAP0 1 |
887 | #define HPARENT(k) ((k) >> 1) |
1059 | #define HPARENT(k) ((k) >> 1) |
888 | #define UPHEAP_DONE(p,k) (!(p)) |
1060 | #define UPHEAP_DONE(p,k) (!(p)) |
889 | |
1061 | |
890 | /* away from the root */ |
1062 | /* away from the root */ |
891 | void inline_speed |
1063 | inline_speed void |
892 | downheap (ANHE *heap, int N, int k) |
1064 | downheap (ANHE *heap, int N, int k) |
893 | { |
1065 | { |
894 | ANHE he = heap [k]; |
1066 | ANHE he = heap [k]; |
895 | |
1067 | |
896 | for (;;) |
1068 | for (;;) |
897 | { |
1069 | { |
898 | int c = k << 1; |
1070 | int c = k << 1; |
899 | |
1071 | |
900 | if (c > N + HEAP0 - 1) |
1072 | if (c >= N + HEAP0) |
901 | break; |
1073 | break; |
902 | |
1074 | |
903 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
1075 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
904 | ? 1 : 0; |
1076 | ? 1 : 0; |
905 | |
1077 | |
… | |
… | |
916 | ev_active (ANHE_w (he)) = k; |
1088 | ev_active (ANHE_w (he)) = k; |
917 | } |
1089 | } |
918 | #endif |
1090 | #endif |
919 | |
1091 | |
920 | /* towards the root */ |
1092 | /* towards the root */ |
921 | void inline_speed |
1093 | inline_speed void |
922 | upheap (ANHE *heap, int k) |
1094 | upheap (ANHE *heap, int k) |
923 | { |
1095 | { |
924 | ANHE he = heap [k]; |
1096 | ANHE he = heap [k]; |
925 | |
1097 | |
926 | for (;;) |
1098 | for (;;) |
… | |
… | |
937 | |
1109 | |
938 | heap [k] = he; |
1110 | heap [k] = he; |
939 | ev_active (ANHE_w (he)) = k; |
1111 | ev_active (ANHE_w (he)) = k; |
940 | } |
1112 | } |
941 | |
1113 | |
942 | void inline_size |
1114 | /* move an element suitably so it is in a correct place */ |
|
|
1115 | inline_size void |
943 | adjustheap (ANHE *heap, int N, int k) |
1116 | adjustheap (ANHE *heap, int N, int k) |
944 | { |
1117 | { |
945 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
1118 | if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)])) |
946 | upheap (heap, k); |
1119 | upheap (heap, k); |
947 | else |
1120 | else |
948 | downheap (heap, N, k); |
1121 | downheap (heap, N, k); |
949 | } |
1122 | } |
950 | |
1123 | |
951 | /* rebuild the heap: this function is used only once and executed rarely */ |
1124 | /* rebuild the heap: this function is used only once and executed rarely */ |
952 | void inline_size |
1125 | inline_size void |
953 | reheap (ANHE *heap, int N) |
1126 | reheap (ANHE *heap, int N) |
954 | { |
1127 | { |
955 | int i; |
1128 | int i; |
956 | |
1129 | |
957 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
1130 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
… | |
… | |
960 | upheap (heap, i + HEAP0); |
1133 | upheap (heap, i + HEAP0); |
961 | } |
1134 | } |
962 | |
1135 | |
963 | /*****************************************************************************/ |
1136 | /*****************************************************************************/ |
964 | |
1137 | |
|
|
1138 | /* associate signal watchers to a signal signal */ |
965 | typedef struct |
1139 | typedef struct |
966 | { |
1140 | { |
|
|
1141 | EV_ATOMIC_T pending; |
|
|
1142 | #if EV_MULTIPLICITY |
|
|
1143 | EV_P; |
|
|
1144 | #endif |
967 | WL head; |
1145 | WL head; |
968 | EV_ATOMIC_T gotsig; |
|
|
969 | } ANSIG; |
1146 | } ANSIG; |
970 | |
1147 | |
971 | static ANSIG *signals; |
1148 | static ANSIG signals [EV_NSIG - 1]; |
972 | static int signalmax; |
|
|
973 | |
|
|
974 | static EV_ATOMIC_T gotsig; |
|
|
975 | |
1149 | |
976 | /*****************************************************************************/ |
1150 | /*****************************************************************************/ |
977 | |
1151 | |
978 | void inline_speed |
1152 | /* used to prepare libev internal fd's */ |
|
|
1153 | /* this is not fork-safe */ |
|
|
1154 | inline_speed void |
979 | fd_intern (int fd) |
1155 | fd_intern (int fd) |
980 | { |
1156 | { |
981 | #ifdef _WIN32 |
1157 | #ifdef _WIN32 |
982 | unsigned long arg = 1; |
1158 | unsigned long arg = 1; |
983 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
1159 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
988 | } |
1164 | } |
989 | |
1165 | |
990 | static void noinline |
1166 | static void noinline |
991 | evpipe_init (EV_P) |
1167 | evpipe_init (EV_P) |
992 | { |
1168 | { |
993 | if (!ev_is_active (&pipeev)) |
1169 | if (!ev_is_active (&pipe_w)) |
994 | { |
1170 | { |
995 | #if EV_USE_EVENTFD |
1171 | #if EV_USE_EVENTFD |
|
|
1172 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
|
|
1173 | if (evfd < 0 && errno == EINVAL) |
996 | if ((evfd = eventfd (0, 0)) >= 0) |
1174 | evfd = eventfd (0, 0); |
|
|
1175 | |
|
|
1176 | if (evfd >= 0) |
997 | { |
1177 | { |
998 | evpipe [0] = -1; |
1178 | evpipe [0] = -1; |
999 | fd_intern (evfd); |
1179 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1000 | ev_io_set (&pipeev, evfd, EV_READ); |
1180 | ev_io_set (&pipe_w, evfd, EV_READ); |
1001 | } |
1181 | } |
1002 | else |
1182 | else |
1003 | #endif |
1183 | #endif |
1004 | { |
1184 | { |
1005 | while (pipe (evpipe)) |
1185 | while (pipe (evpipe)) |
1006 | ev_syserr ("(libev) error creating signal/async pipe"); |
1186 | ev_syserr ("(libev) error creating signal/async pipe"); |
1007 | |
1187 | |
1008 | fd_intern (evpipe [0]); |
1188 | fd_intern (evpipe [0]); |
1009 | fd_intern (evpipe [1]); |
1189 | fd_intern (evpipe [1]); |
1010 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1190 | ev_io_set (&pipe_w, evpipe [0], EV_READ); |
1011 | } |
1191 | } |
1012 | |
1192 | |
1013 | ev_io_start (EV_A_ &pipeev); |
1193 | ev_io_start (EV_A_ &pipe_w); |
1014 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1194 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1015 | } |
1195 | } |
1016 | } |
1196 | } |
1017 | |
1197 | |
1018 | void inline_size |
1198 | inline_size void |
1019 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1199 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1020 | { |
1200 | { |
1021 | if (!*flag) |
1201 | if (!*flag) |
1022 | { |
1202 | { |
1023 | int old_errno = errno; /* save errno because write might clobber it */ |
1203 | int old_errno = errno; /* save errno because write might clobber it */ |
… | |
… | |
1036 | |
1216 | |
1037 | errno = old_errno; |
1217 | errno = old_errno; |
1038 | } |
1218 | } |
1039 | } |
1219 | } |
1040 | |
1220 | |
|
|
1221 | /* called whenever the libev signal pipe */ |
|
|
1222 | /* got some events (signal, async) */ |
1041 | static void |
1223 | static void |
1042 | pipecb (EV_P_ ev_io *iow, int revents) |
1224 | pipecb (EV_P_ ev_io *iow, int revents) |
1043 | { |
1225 | { |
|
|
1226 | int i; |
|
|
1227 | |
1044 | #if EV_USE_EVENTFD |
1228 | #if EV_USE_EVENTFD |
1045 | if (evfd >= 0) |
1229 | if (evfd >= 0) |
1046 | { |
1230 | { |
1047 | uint64_t counter; |
1231 | uint64_t counter; |
1048 | read (evfd, &counter, sizeof (uint64_t)); |
1232 | read (evfd, &counter, sizeof (uint64_t)); |
… | |
… | |
1052 | { |
1236 | { |
1053 | char dummy; |
1237 | char dummy; |
1054 | read (evpipe [0], &dummy, 1); |
1238 | read (evpipe [0], &dummy, 1); |
1055 | } |
1239 | } |
1056 | |
1240 | |
1057 | if (gotsig && ev_is_default_loop (EV_A)) |
1241 | if (sig_pending) |
1058 | { |
1242 | { |
1059 | int signum; |
1243 | sig_pending = 0; |
1060 | gotsig = 0; |
|
|
1061 | |
1244 | |
1062 | for (signum = signalmax; signum--; ) |
1245 | for (i = EV_NSIG - 1; i--; ) |
1063 | if (signals [signum].gotsig) |
1246 | if (expect_false (signals [i].pending)) |
1064 | ev_feed_signal_event (EV_A_ signum + 1); |
1247 | ev_feed_signal_event (EV_A_ i + 1); |
1065 | } |
1248 | } |
1066 | |
1249 | |
1067 | #if EV_ASYNC_ENABLE |
1250 | #if EV_ASYNC_ENABLE |
1068 | if (gotasync) |
1251 | if (async_pending) |
1069 | { |
1252 | { |
1070 | int i; |
1253 | async_pending = 0; |
1071 | gotasync = 0; |
|
|
1072 | |
1254 | |
1073 | for (i = asynccnt; i--; ) |
1255 | for (i = asynccnt; i--; ) |
1074 | if (asyncs [i]->sent) |
1256 | if (asyncs [i]->sent) |
1075 | { |
1257 | { |
1076 | asyncs [i]->sent = 0; |
1258 | asyncs [i]->sent = 0; |
… | |
… | |
1084 | |
1266 | |
1085 | static void |
1267 | static void |
1086 | ev_sighandler (int signum) |
1268 | ev_sighandler (int signum) |
1087 | { |
1269 | { |
1088 | #if EV_MULTIPLICITY |
1270 | #if EV_MULTIPLICITY |
1089 | struct ev_loop *loop = &default_loop_struct; |
1271 | EV_P = signals [signum - 1].loop; |
1090 | #endif |
1272 | #endif |
1091 | |
1273 | |
1092 | #if _WIN32 |
1274 | #if _WIN32 |
1093 | signal (signum, ev_sighandler); |
1275 | signal (signum, ev_sighandler); |
1094 | #endif |
1276 | #endif |
1095 | |
1277 | |
1096 | signals [signum - 1].gotsig = 1; |
1278 | signals [signum - 1].pending = 1; |
1097 | evpipe_write (EV_A_ &gotsig); |
1279 | evpipe_write (EV_A_ &sig_pending); |
1098 | } |
1280 | } |
1099 | |
1281 | |
1100 | void noinline |
1282 | void noinline |
1101 | ev_feed_signal_event (EV_P_ int signum) |
1283 | ev_feed_signal_event (EV_P_ int signum) |
1102 | { |
1284 | { |
1103 | WL w; |
1285 | WL w; |
1104 | |
1286 | |
|
|
1287 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
|
|
1288 | return; |
|
|
1289 | |
|
|
1290 | --signum; |
|
|
1291 | |
1105 | #if EV_MULTIPLICITY |
1292 | #if EV_MULTIPLICITY |
1106 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1293 | /* it is permissible to try to feed a signal to the wrong loop */ |
1107 | #endif |
1294 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
1108 | |
1295 | |
1109 | --signum; |
1296 | if (expect_false (signals [signum].loop != EV_A)) |
1110 | |
|
|
1111 | if (signum < 0 || signum >= signalmax) |
|
|
1112 | return; |
1297 | return; |
|
|
1298 | #endif |
1113 | |
1299 | |
1114 | signals [signum].gotsig = 0; |
1300 | signals [signum].pending = 0; |
1115 | |
1301 | |
1116 | for (w = signals [signum].head; w; w = w->next) |
1302 | for (w = signals [signum].head; w; w = w->next) |
1117 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1303 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1118 | } |
1304 | } |
1119 | |
1305 | |
|
|
1306 | #if EV_USE_SIGNALFD |
|
|
1307 | static void |
|
|
1308 | sigfdcb (EV_P_ ev_io *iow, int revents) |
|
|
1309 | { |
|
|
1310 | struct signalfd_siginfo si[2], *sip; /* these structs are big */ |
|
|
1311 | |
|
|
1312 | for (;;) |
|
|
1313 | { |
|
|
1314 | ssize_t res = read (sigfd, si, sizeof (si)); |
|
|
1315 | |
|
|
1316 | /* not ISO-C, as res might be -1, but works with SuS */ |
|
|
1317 | for (sip = si; (char *)sip < (char *)si + res; ++sip) |
|
|
1318 | ev_feed_signal_event (EV_A_ sip->ssi_signo); |
|
|
1319 | |
|
|
1320 | if (res < (ssize_t)sizeof (si)) |
|
|
1321 | break; |
|
|
1322 | } |
|
|
1323 | } |
|
|
1324 | #endif |
|
|
1325 | |
1120 | /*****************************************************************************/ |
1326 | /*****************************************************************************/ |
1121 | |
1327 | |
1122 | static WL childs [EV_PID_HASHSIZE]; |
1328 | static WL childs [EV_PID_HASHSIZE]; |
1123 | |
1329 | |
1124 | #ifndef _WIN32 |
1330 | #ifndef _WIN32 |
… | |
… | |
1127 | |
1333 | |
1128 | #ifndef WIFCONTINUED |
1334 | #ifndef WIFCONTINUED |
1129 | # define WIFCONTINUED(status) 0 |
1335 | # define WIFCONTINUED(status) 0 |
1130 | #endif |
1336 | #endif |
1131 | |
1337 | |
1132 | void inline_speed |
1338 | /* handle a single child status event */ |
|
|
1339 | inline_speed void |
1133 | child_reap (EV_P_ int chain, int pid, int status) |
1340 | child_reap (EV_P_ int chain, int pid, int status) |
1134 | { |
1341 | { |
1135 | ev_child *w; |
1342 | ev_child *w; |
1136 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1343 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1137 | |
1344 | |
… | |
… | |
1150 | |
1357 | |
1151 | #ifndef WCONTINUED |
1358 | #ifndef WCONTINUED |
1152 | # define WCONTINUED 0 |
1359 | # define WCONTINUED 0 |
1153 | #endif |
1360 | #endif |
1154 | |
1361 | |
|
|
1362 | /* called on sigchld etc., calls waitpid */ |
1155 | static void |
1363 | static void |
1156 | childcb (EV_P_ ev_signal *sw, int revents) |
1364 | childcb (EV_P_ ev_signal *sw, int revents) |
1157 | { |
1365 | { |
1158 | int pid, status; |
1366 | int pid, status; |
1159 | |
1367 | |
… | |
… | |
1240 | /* kqueue is borked on everything but netbsd apparently */ |
1448 | /* kqueue is borked on everything but netbsd apparently */ |
1241 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1449 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1242 | flags &= ~EVBACKEND_KQUEUE; |
1450 | flags &= ~EVBACKEND_KQUEUE; |
1243 | #endif |
1451 | #endif |
1244 | #ifdef __APPLE__ |
1452 | #ifdef __APPLE__ |
1245 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
1453 | /* only select works correctly on that "unix-certified" platform */ |
1246 | flags &= ~EVBACKEND_POLL; |
1454 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
|
|
1455 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1247 | #endif |
1456 | #endif |
1248 | |
1457 | |
1249 | return flags; |
1458 | return flags; |
1250 | } |
1459 | } |
1251 | |
1460 | |
… | |
… | |
1265 | ev_backend (EV_P) |
1474 | ev_backend (EV_P) |
1266 | { |
1475 | { |
1267 | return backend; |
1476 | return backend; |
1268 | } |
1477 | } |
1269 | |
1478 | |
|
|
1479 | #if EV_MINIMAL < 2 |
1270 | unsigned int |
1480 | unsigned int |
1271 | ev_loop_count (EV_P) |
1481 | ev_loop_count (EV_P) |
1272 | { |
1482 | { |
1273 | return loop_count; |
1483 | return loop_count; |
1274 | } |
1484 | } |
1275 | |
1485 | |
|
|
1486 | unsigned int |
|
|
1487 | ev_loop_depth (EV_P) |
|
|
1488 | { |
|
|
1489 | return loop_depth; |
|
|
1490 | } |
|
|
1491 | |
1276 | void |
1492 | void |
1277 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1493 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1278 | { |
1494 | { |
1279 | io_blocktime = interval; |
1495 | io_blocktime = interval; |
1280 | } |
1496 | } |
… | |
… | |
1283 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1499 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1284 | { |
1500 | { |
1285 | timeout_blocktime = interval; |
1501 | timeout_blocktime = interval; |
1286 | } |
1502 | } |
1287 | |
1503 | |
|
|
1504 | void |
|
|
1505 | ev_set_userdata (EV_P_ void *data) |
|
|
1506 | { |
|
|
1507 | userdata = data; |
|
|
1508 | } |
|
|
1509 | |
|
|
1510 | void * |
|
|
1511 | ev_userdata (EV_P) |
|
|
1512 | { |
|
|
1513 | return userdata; |
|
|
1514 | } |
|
|
1515 | |
|
|
1516 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
|
|
1517 | { |
|
|
1518 | invoke_cb = invoke_pending_cb; |
|
|
1519 | } |
|
|
1520 | |
|
|
1521 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
|
|
1522 | { |
|
|
1523 | release_cb = release; |
|
|
1524 | acquire_cb = acquire; |
|
|
1525 | } |
|
|
1526 | #endif |
|
|
1527 | |
|
|
1528 | /* initialise a loop structure, must be zero-initialised */ |
1288 | static void noinline |
1529 | static void noinline |
1289 | loop_init (EV_P_ unsigned int flags) |
1530 | loop_init (EV_P_ unsigned int flags) |
1290 | { |
1531 | { |
1291 | if (!backend) |
1532 | if (!backend) |
1292 | { |
1533 | { |
|
|
1534 | #if EV_USE_REALTIME |
|
|
1535 | if (!have_realtime) |
|
|
1536 | { |
|
|
1537 | struct timespec ts; |
|
|
1538 | |
|
|
1539 | if (!clock_gettime (CLOCK_REALTIME, &ts)) |
|
|
1540 | have_realtime = 1; |
|
|
1541 | } |
|
|
1542 | #endif |
|
|
1543 | |
1293 | #if EV_USE_MONOTONIC |
1544 | #if EV_USE_MONOTONIC |
|
|
1545 | if (!have_monotonic) |
1294 | { |
1546 | { |
1295 | struct timespec ts; |
1547 | struct timespec ts; |
|
|
1548 | |
1296 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1549 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1297 | have_monotonic = 1; |
1550 | have_monotonic = 1; |
1298 | } |
1551 | } |
1299 | #endif |
1552 | #endif |
|
|
1553 | |
|
|
1554 | /* pid check not overridable via env */ |
|
|
1555 | #ifndef _WIN32 |
|
|
1556 | if (flags & EVFLAG_FORKCHECK) |
|
|
1557 | curpid = getpid (); |
|
|
1558 | #endif |
|
|
1559 | |
|
|
1560 | if (!(flags & EVFLAG_NOENV) |
|
|
1561 | && !enable_secure () |
|
|
1562 | && getenv ("LIBEV_FLAGS")) |
|
|
1563 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1300 | |
1564 | |
1301 | ev_rt_now = ev_time (); |
1565 | ev_rt_now = ev_time (); |
1302 | mn_now = get_clock (); |
1566 | mn_now = get_clock (); |
1303 | now_floor = mn_now; |
1567 | now_floor = mn_now; |
1304 | rtmn_diff = ev_rt_now - mn_now; |
1568 | rtmn_diff = ev_rt_now - mn_now; |
|
|
1569 | #if EV_MINIMAL < 2 |
|
|
1570 | invoke_cb = ev_invoke_pending; |
|
|
1571 | #endif |
1305 | |
1572 | |
1306 | io_blocktime = 0.; |
1573 | io_blocktime = 0.; |
1307 | timeout_blocktime = 0.; |
1574 | timeout_blocktime = 0.; |
1308 | backend = 0; |
1575 | backend = 0; |
1309 | backend_fd = -1; |
1576 | backend_fd = -1; |
1310 | gotasync = 0; |
1577 | sig_pending = 0; |
|
|
1578 | #if EV_ASYNC_ENABLE |
|
|
1579 | async_pending = 0; |
|
|
1580 | #endif |
1311 | #if EV_USE_INOTIFY |
1581 | #if EV_USE_INOTIFY |
1312 | fs_fd = -2; |
1582 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1313 | #endif |
1583 | #endif |
1314 | |
1584 | #if EV_USE_SIGNALFD |
1315 | /* pid check not overridable via env */ |
1585 | sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2; |
1316 | #ifndef _WIN32 |
|
|
1317 | if (flags & EVFLAG_FORKCHECK) |
|
|
1318 | curpid = getpid (); |
|
|
1319 | #endif |
1586 | #endif |
1320 | |
|
|
1321 | if (!(flags & EVFLAG_NOENV) |
|
|
1322 | && !enable_secure () |
|
|
1323 | && getenv ("LIBEV_FLAGS")) |
|
|
1324 | flags = atoi (getenv ("LIBEV_FLAGS")); |
|
|
1325 | |
1587 | |
1326 | if (!(flags & 0x0000ffffU)) |
1588 | if (!(flags & 0x0000ffffU)) |
1327 | flags |= ev_recommended_backends (); |
1589 | flags |= ev_recommended_backends (); |
1328 | |
1590 | |
1329 | #if EV_USE_PORT |
1591 | #if EV_USE_PORT |
… | |
… | |
1340 | #endif |
1602 | #endif |
1341 | #if EV_USE_SELECT |
1603 | #if EV_USE_SELECT |
1342 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1604 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1343 | #endif |
1605 | #endif |
1344 | |
1606 | |
|
|
1607 | ev_prepare_init (&pending_w, pendingcb); |
|
|
1608 | |
1345 | ev_init (&pipeev, pipecb); |
1609 | ev_init (&pipe_w, pipecb); |
1346 | ev_set_priority (&pipeev, EV_MAXPRI); |
1610 | ev_set_priority (&pipe_w, EV_MAXPRI); |
1347 | } |
1611 | } |
1348 | } |
1612 | } |
1349 | |
1613 | |
|
|
1614 | /* free up a loop structure */ |
1350 | static void noinline |
1615 | static void noinline |
1351 | loop_destroy (EV_P) |
1616 | loop_destroy (EV_P) |
1352 | { |
1617 | { |
1353 | int i; |
1618 | int i; |
1354 | |
1619 | |
1355 | if (ev_is_active (&pipeev)) |
1620 | if (ev_is_active (&pipe_w)) |
1356 | { |
1621 | { |
1357 | ev_ref (EV_A); /* signal watcher */ |
1622 | /*ev_ref (EV_A);*/ |
1358 | ev_io_stop (EV_A_ &pipeev); |
1623 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1359 | |
1624 | |
1360 | #if EV_USE_EVENTFD |
1625 | #if EV_USE_EVENTFD |
1361 | if (evfd >= 0) |
1626 | if (evfd >= 0) |
1362 | close (evfd); |
1627 | close (evfd); |
1363 | #endif |
1628 | #endif |
1364 | |
1629 | |
1365 | if (evpipe [0] >= 0) |
1630 | if (evpipe [0] >= 0) |
1366 | { |
1631 | { |
1367 | close (evpipe [0]); |
1632 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1368 | close (evpipe [1]); |
1633 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1369 | } |
1634 | } |
1370 | } |
1635 | } |
|
|
1636 | |
|
|
1637 | #if EV_USE_SIGNALFD |
|
|
1638 | if (ev_is_active (&sigfd_w)) |
|
|
1639 | { |
|
|
1640 | /*ev_ref (EV_A);*/ |
|
|
1641 | /*ev_io_stop (EV_A_ &sigfd_w);*/ |
|
|
1642 | |
|
|
1643 | close (sigfd); |
|
|
1644 | } |
|
|
1645 | #endif |
1371 | |
1646 | |
1372 | #if EV_USE_INOTIFY |
1647 | #if EV_USE_INOTIFY |
1373 | if (fs_fd >= 0) |
1648 | if (fs_fd >= 0) |
1374 | close (fs_fd); |
1649 | close (fs_fd); |
1375 | #endif |
1650 | #endif |
… | |
… | |
1399 | #if EV_IDLE_ENABLE |
1674 | #if EV_IDLE_ENABLE |
1400 | array_free (idle, [i]); |
1675 | array_free (idle, [i]); |
1401 | #endif |
1676 | #endif |
1402 | } |
1677 | } |
1403 | |
1678 | |
1404 | ev_free (anfds); anfdmax = 0; |
1679 | ev_free (anfds); anfds = 0; anfdmax = 0; |
1405 | |
1680 | |
1406 | /* have to use the microsoft-never-gets-it-right macro */ |
1681 | /* have to use the microsoft-never-gets-it-right macro */ |
|
|
1682 | array_free (rfeed, EMPTY); |
1407 | array_free (fdchange, EMPTY); |
1683 | array_free (fdchange, EMPTY); |
1408 | array_free (timer, EMPTY); |
1684 | array_free (timer, EMPTY); |
1409 | #if EV_PERIODIC_ENABLE |
1685 | #if EV_PERIODIC_ENABLE |
1410 | array_free (periodic, EMPTY); |
1686 | array_free (periodic, EMPTY); |
1411 | #endif |
1687 | #endif |
… | |
… | |
1420 | |
1696 | |
1421 | backend = 0; |
1697 | backend = 0; |
1422 | } |
1698 | } |
1423 | |
1699 | |
1424 | #if EV_USE_INOTIFY |
1700 | #if EV_USE_INOTIFY |
1425 | void inline_size infy_fork (EV_P); |
1701 | inline_size void infy_fork (EV_P); |
1426 | #endif |
1702 | #endif |
1427 | |
1703 | |
1428 | void inline_size |
1704 | inline_size void |
1429 | loop_fork (EV_P) |
1705 | loop_fork (EV_P) |
1430 | { |
1706 | { |
1431 | #if EV_USE_PORT |
1707 | #if EV_USE_PORT |
1432 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1708 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1433 | #endif |
1709 | #endif |
… | |
… | |
1439 | #endif |
1715 | #endif |
1440 | #if EV_USE_INOTIFY |
1716 | #if EV_USE_INOTIFY |
1441 | infy_fork (EV_A); |
1717 | infy_fork (EV_A); |
1442 | #endif |
1718 | #endif |
1443 | |
1719 | |
1444 | if (ev_is_active (&pipeev)) |
1720 | if (ev_is_active (&pipe_w)) |
1445 | { |
1721 | { |
1446 | /* this "locks" the handlers against writing to the pipe */ |
1722 | /* this "locks" the handlers against writing to the pipe */ |
1447 | /* while we modify the fd vars */ |
1723 | /* while we modify the fd vars */ |
1448 | gotsig = 1; |
1724 | sig_pending = 1; |
1449 | #if EV_ASYNC_ENABLE |
1725 | #if EV_ASYNC_ENABLE |
1450 | gotasync = 1; |
1726 | async_pending = 1; |
1451 | #endif |
1727 | #endif |
1452 | |
1728 | |
1453 | ev_ref (EV_A); |
1729 | ev_ref (EV_A); |
1454 | ev_io_stop (EV_A_ &pipeev); |
1730 | ev_io_stop (EV_A_ &pipe_w); |
1455 | |
1731 | |
1456 | #if EV_USE_EVENTFD |
1732 | #if EV_USE_EVENTFD |
1457 | if (evfd >= 0) |
1733 | if (evfd >= 0) |
1458 | close (evfd); |
1734 | close (evfd); |
1459 | #endif |
1735 | #endif |
1460 | |
1736 | |
1461 | if (evpipe [0] >= 0) |
1737 | if (evpipe [0] >= 0) |
1462 | { |
1738 | { |
1463 | close (evpipe [0]); |
1739 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1464 | close (evpipe [1]); |
1740 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1465 | } |
1741 | } |
1466 | |
1742 | |
1467 | evpipe_init (EV_A); |
1743 | evpipe_init (EV_A); |
1468 | /* now iterate over everything, in case we missed something */ |
1744 | /* now iterate over everything, in case we missed something */ |
1469 | pipecb (EV_A_ &pipeev, EV_READ); |
1745 | pipecb (EV_A_ &pipe_w, EV_READ); |
1470 | } |
1746 | } |
1471 | |
1747 | |
1472 | postfork = 0; |
1748 | postfork = 0; |
1473 | } |
1749 | } |
1474 | |
1750 | |
1475 | #if EV_MULTIPLICITY |
1751 | #if EV_MULTIPLICITY |
1476 | |
1752 | |
1477 | struct ev_loop * |
1753 | struct ev_loop * |
1478 | ev_loop_new (unsigned int flags) |
1754 | ev_loop_new (unsigned int flags) |
1479 | { |
1755 | { |
1480 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1756 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1481 | |
1757 | |
1482 | memset (loop, 0, sizeof (struct ev_loop)); |
1758 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1483 | |
|
|
1484 | loop_init (EV_A_ flags); |
1759 | loop_init (EV_A_ flags); |
1485 | |
1760 | |
1486 | if (ev_backend (EV_A)) |
1761 | if (ev_backend (EV_A)) |
1487 | return loop; |
1762 | return EV_A; |
1488 | |
1763 | |
1489 | return 0; |
1764 | return 0; |
1490 | } |
1765 | } |
1491 | |
1766 | |
1492 | void |
1767 | void |
… | |
… | |
1499 | void |
1774 | void |
1500 | ev_loop_fork (EV_P) |
1775 | ev_loop_fork (EV_P) |
1501 | { |
1776 | { |
1502 | postfork = 1; /* must be in line with ev_default_fork */ |
1777 | postfork = 1; /* must be in line with ev_default_fork */ |
1503 | } |
1778 | } |
|
|
1779 | #endif /* multiplicity */ |
1504 | |
1780 | |
1505 | #if EV_VERIFY |
1781 | #if EV_VERIFY |
1506 | static void noinline |
1782 | static void noinline |
1507 | verify_watcher (EV_P_ W w) |
1783 | verify_watcher (EV_P_ W w) |
1508 | { |
1784 | { |
1509 | assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1785 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1510 | |
1786 | |
1511 | if (w->pending) |
1787 | if (w->pending) |
1512 | assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
1788 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
1513 | } |
1789 | } |
1514 | |
1790 | |
1515 | static void noinline |
1791 | static void noinline |
1516 | verify_heap (EV_P_ ANHE *heap, int N) |
1792 | verify_heap (EV_P_ ANHE *heap, int N) |
1517 | { |
1793 | { |
1518 | int i; |
1794 | int i; |
1519 | |
1795 | |
1520 | for (i = HEAP0; i < N + HEAP0; ++i) |
1796 | for (i = HEAP0; i < N + HEAP0; ++i) |
1521 | { |
1797 | { |
1522 | assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
1798 | assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
1523 | assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
1799 | assert (("libev: heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
1524 | assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
1800 | assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
1525 | |
1801 | |
1526 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
1802 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
1527 | } |
1803 | } |
1528 | } |
1804 | } |
1529 | |
1805 | |
1530 | static void noinline |
1806 | static void noinline |
1531 | array_verify (EV_P_ W *ws, int cnt) |
1807 | array_verify (EV_P_ W *ws, int cnt) |
1532 | { |
1808 | { |
1533 | while (cnt--) |
1809 | while (cnt--) |
1534 | { |
1810 | { |
1535 | assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
1811 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
1536 | verify_watcher (EV_A_ ws [cnt]); |
1812 | verify_watcher (EV_A_ ws [cnt]); |
1537 | } |
1813 | } |
1538 | } |
1814 | } |
1539 | #endif |
1815 | #endif |
1540 | |
1816 | |
|
|
1817 | #if EV_MINIMAL < 2 |
1541 | void |
1818 | void |
1542 | ev_loop_verify (EV_P) |
1819 | ev_loop_verify (EV_P) |
1543 | { |
1820 | { |
1544 | #if EV_VERIFY |
1821 | #if EV_VERIFY |
1545 | int i; |
1822 | int i; |
… | |
… | |
1547 | |
1824 | |
1548 | assert (activecnt >= -1); |
1825 | assert (activecnt >= -1); |
1549 | |
1826 | |
1550 | assert (fdchangemax >= fdchangecnt); |
1827 | assert (fdchangemax >= fdchangecnt); |
1551 | for (i = 0; i < fdchangecnt; ++i) |
1828 | for (i = 0; i < fdchangecnt; ++i) |
1552 | assert (("negative fd in fdchanges", fdchanges [i] >= 0)); |
1829 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
1553 | |
1830 | |
1554 | assert (anfdmax >= 0); |
1831 | assert (anfdmax >= 0); |
1555 | for (i = 0; i < anfdmax; ++i) |
1832 | for (i = 0; i < anfdmax; ++i) |
1556 | for (w = anfds [i].head; w; w = w->next) |
1833 | for (w = anfds [i].head; w; w = w->next) |
1557 | { |
1834 | { |
1558 | verify_watcher (EV_A_ (W)w); |
1835 | verify_watcher (EV_A_ (W)w); |
1559 | assert (("inactive fd watcher on anfd list", ev_active (w) == 1)); |
1836 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
1560 | assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
1837 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
1561 | } |
1838 | } |
1562 | |
1839 | |
1563 | assert (timermax >= timercnt); |
1840 | assert (timermax >= timercnt); |
1564 | verify_heap (EV_A_ timers, timercnt); |
1841 | verify_heap (EV_A_ timers, timercnt); |
1565 | |
1842 | |
… | |
… | |
1594 | assert (checkmax >= checkcnt); |
1871 | assert (checkmax >= checkcnt); |
1595 | array_verify (EV_A_ (W *)checks, checkcnt); |
1872 | array_verify (EV_A_ (W *)checks, checkcnt); |
1596 | |
1873 | |
1597 | # if 0 |
1874 | # if 0 |
1598 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1875 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1599 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1876 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
1600 | # endif |
1877 | # endif |
1601 | #endif |
1878 | #endif |
1602 | } |
1879 | } |
1603 | |
1880 | #endif |
1604 | #endif /* multiplicity */ |
|
|
1605 | |
1881 | |
1606 | #if EV_MULTIPLICITY |
1882 | #if EV_MULTIPLICITY |
1607 | struct ev_loop * |
1883 | struct ev_loop * |
1608 | ev_default_loop_init (unsigned int flags) |
1884 | ev_default_loop_init (unsigned int flags) |
1609 | #else |
1885 | #else |
… | |
… | |
1612 | #endif |
1888 | #endif |
1613 | { |
1889 | { |
1614 | if (!ev_default_loop_ptr) |
1890 | if (!ev_default_loop_ptr) |
1615 | { |
1891 | { |
1616 | #if EV_MULTIPLICITY |
1892 | #if EV_MULTIPLICITY |
1617 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1893 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
1618 | #else |
1894 | #else |
1619 | ev_default_loop_ptr = 1; |
1895 | ev_default_loop_ptr = 1; |
1620 | #endif |
1896 | #endif |
1621 | |
1897 | |
1622 | loop_init (EV_A_ flags); |
1898 | loop_init (EV_A_ flags); |
… | |
… | |
1639 | |
1915 | |
1640 | void |
1916 | void |
1641 | ev_default_destroy (void) |
1917 | ev_default_destroy (void) |
1642 | { |
1918 | { |
1643 | #if EV_MULTIPLICITY |
1919 | #if EV_MULTIPLICITY |
1644 | struct ev_loop *loop = ev_default_loop_ptr; |
1920 | EV_P = ev_default_loop_ptr; |
1645 | #endif |
1921 | #endif |
1646 | |
1922 | |
1647 | ev_default_loop_ptr = 0; |
1923 | ev_default_loop_ptr = 0; |
1648 | |
1924 | |
1649 | #ifndef _WIN32 |
1925 | #ifndef _WIN32 |
… | |
… | |
1656 | |
1932 | |
1657 | void |
1933 | void |
1658 | ev_default_fork (void) |
1934 | ev_default_fork (void) |
1659 | { |
1935 | { |
1660 | #if EV_MULTIPLICITY |
1936 | #if EV_MULTIPLICITY |
1661 | struct ev_loop *loop = ev_default_loop_ptr; |
1937 | EV_P = ev_default_loop_ptr; |
1662 | #endif |
1938 | #endif |
1663 | |
1939 | |
1664 | postfork = 1; /* must be in line with ev_loop_fork */ |
1940 | postfork = 1; /* must be in line with ev_loop_fork */ |
1665 | } |
1941 | } |
1666 | |
1942 | |
… | |
… | |
1670 | ev_invoke (EV_P_ void *w, int revents) |
1946 | ev_invoke (EV_P_ void *w, int revents) |
1671 | { |
1947 | { |
1672 | EV_CB_INVOKE ((W)w, revents); |
1948 | EV_CB_INVOKE ((W)w, revents); |
1673 | } |
1949 | } |
1674 | |
1950 | |
1675 | void inline_speed |
1951 | unsigned int |
1676 | call_pending (EV_P) |
1952 | ev_pending_count (EV_P) |
|
|
1953 | { |
|
|
1954 | int pri; |
|
|
1955 | unsigned int count = 0; |
|
|
1956 | |
|
|
1957 | for (pri = NUMPRI; pri--; ) |
|
|
1958 | count += pendingcnt [pri]; |
|
|
1959 | |
|
|
1960 | return count; |
|
|
1961 | } |
|
|
1962 | |
|
|
1963 | void noinline |
|
|
1964 | ev_invoke_pending (EV_P) |
1677 | { |
1965 | { |
1678 | int pri; |
1966 | int pri; |
1679 | |
1967 | |
1680 | for (pri = NUMPRI; pri--; ) |
1968 | for (pri = NUMPRI; pri--; ) |
1681 | while (pendingcnt [pri]) |
1969 | while (pendingcnt [pri]) |
1682 | { |
1970 | { |
1683 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1971 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1684 | |
1972 | |
1685 | if (expect_true (p->w)) |
|
|
1686 | { |
|
|
1687 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1973 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
1974 | /* ^ this is no longer true, as pending_w could be here */ |
1688 | |
1975 | |
1689 | p->w->pending = 0; |
1976 | p->w->pending = 0; |
1690 | EV_CB_INVOKE (p->w, p->events); |
1977 | EV_CB_INVOKE (p->w, p->events); |
1691 | EV_FREQUENT_CHECK; |
1978 | EV_FREQUENT_CHECK; |
1692 | } |
|
|
1693 | } |
1979 | } |
1694 | } |
1980 | } |
1695 | |
1981 | |
1696 | #if EV_IDLE_ENABLE |
1982 | #if EV_IDLE_ENABLE |
1697 | void inline_size |
1983 | /* make idle watchers pending. this handles the "call-idle */ |
|
|
1984 | /* only when higher priorities are idle" logic */ |
|
|
1985 | inline_size void |
1698 | idle_reify (EV_P) |
1986 | idle_reify (EV_P) |
1699 | { |
1987 | { |
1700 | if (expect_false (idleall)) |
1988 | if (expect_false (idleall)) |
1701 | { |
1989 | { |
1702 | int pri; |
1990 | int pri; |
… | |
… | |
1714 | } |
2002 | } |
1715 | } |
2003 | } |
1716 | } |
2004 | } |
1717 | #endif |
2005 | #endif |
1718 | |
2006 | |
1719 | void inline_size |
2007 | /* make timers pending */ |
|
|
2008 | inline_size void |
1720 | timers_reify (EV_P) |
2009 | timers_reify (EV_P) |
1721 | { |
2010 | { |
1722 | EV_FREQUENT_CHECK; |
2011 | EV_FREQUENT_CHECK; |
1723 | |
2012 | |
1724 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
2013 | if (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
1725 | { |
2014 | { |
1726 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
2015 | do |
1727 | |
|
|
1728 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1729 | |
|
|
1730 | /* first reschedule or stop timer */ |
|
|
1731 | if (w->repeat) |
|
|
1732 | { |
2016 | { |
|
|
2017 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
2018 | |
|
|
2019 | /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
2020 | |
|
|
2021 | /* first reschedule or stop timer */ |
|
|
2022 | if (w->repeat) |
|
|
2023 | { |
1733 | ev_at (w) += w->repeat; |
2024 | ev_at (w) += w->repeat; |
1734 | if (ev_at (w) < mn_now) |
2025 | if (ev_at (w) < mn_now) |
1735 | ev_at (w) = mn_now; |
2026 | ev_at (w) = mn_now; |
1736 | |
2027 | |
1737 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
2028 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1738 | |
2029 | |
1739 | ANHE_at_cache (timers [HEAP0]); |
2030 | ANHE_at_cache (timers [HEAP0]); |
1740 | downheap (timers, timercnt, HEAP0); |
2031 | downheap (timers, timercnt, HEAP0); |
|
|
2032 | } |
|
|
2033 | else |
|
|
2034 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
2035 | |
|
|
2036 | EV_FREQUENT_CHECK; |
|
|
2037 | feed_reverse (EV_A_ (W)w); |
1741 | } |
2038 | } |
1742 | else |
2039 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
1743 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1744 | |
2040 | |
1745 | EV_FREQUENT_CHECK; |
|
|
1746 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
2041 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
1747 | } |
2042 | } |
1748 | } |
2043 | } |
1749 | |
2044 | |
1750 | #if EV_PERIODIC_ENABLE |
2045 | #if EV_PERIODIC_ENABLE |
1751 | void inline_size |
2046 | /* make periodics pending */ |
|
|
2047 | inline_size void |
1752 | periodics_reify (EV_P) |
2048 | periodics_reify (EV_P) |
1753 | { |
2049 | { |
1754 | EV_FREQUENT_CHECK; |
2050 | EV_FREQUENT_CHECK; |
1755 | |
2051 | |
1756 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
2052 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
1757 | { |
2053 | { |
1758 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
2054 | int feed_count = 0; |
1759 | |
2055 | |
1760 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
2056 | do |
1761 | |
|
|
1762 | /* first reschedule or stop timer */ |
|
|
1763 | if (w->reschedule_cb) |
|
|
1764 | { |
2057 | { |
|
|
2058 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
2059 | |
|
|
2060 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
2061 | |
|
|
2062 | /* first reschedule or stop timer */ |
|
|
2063 | if (w->reschedule_cb) |
|
|
2064 | { |
1765 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2065 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1766 | |
2066 | |
1767 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
2067 | assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
1768 | |
2068 | |
1769 | ANHE_at_cache (periodics [HEAP0]); |
2069 | ANHE_at_cache (periodics [HEAP0]); |
1770 | downheap (periodics, periodiccnt, HEAP0); |
2070 | downheap (periodics, periodiccnt, HEAP0); |
|
|
2071 | } |
|
|
2072 | else if (w->interval) |
|
|
2073 | { |
|
|
2074 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
2075 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
2076 | /* this might happen because of floating point inexactness */ |
|
|
2077 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
2078 | { |
|
|
2079 | ev_at (w) += w->interval; |
|
|
2080 | |
|
|
2081 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
2082 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
2083 | /* has effectively asked to get triggered more often than possible */ |
|
|
2084 | if (ev_at (w) < ev_rt_now) |
|
|
2085 | ev_at (w) = ev_rt_now; |
|
|
2086 | } |
|
|
2087 | |
|
|
2088 | ANHE_at_cache (periodics [HEAP0]); |
|
|
2089 | downheap (periodics, periodiccnt, HEAP0); |
|
|
2090 | } |
|
|
2091 | else |
|
|
2092 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
2093 | |
|
|
2094 | EV_FREQUENT_CHECK; |
|
|
2095 | feed_reverse (EV_A_ (W)w); |
1771 | } |
2096 | } |
1772 | else if (w->interval) |
2097 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now); |
1773 | { |
|
|
1774 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1775 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1776 | /* this might happen because of floating point inexactness */ |
|
|
1777 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1778 | { |
|
|
1779 | ev_at (w) += w->interval; |
|
|
1780 | |
2098 | |
1781 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1782 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1783 | /* has effectively asked to get triggered more often than possible */ |
|
|
1784 | if (ev_at (w) < ev_rt_now) |
|
|
1785 | ev_at (w) = ev_rt_now; |
|
|
1786 | } |
|
|
1787 | |
|
|
1788 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1789 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1790 | } |
|
|
1791 | else |
|
|
1792 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1793 | |
|
|
1794 | EV_FREQUENT_CHECK; |
|
|
1795 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
2099 | feed_reverse_done (EV_A_ EV_PERIODIC); |
1796 | } |
2100 | } |
1797 | } |
2101 | } |
1798 | |
2102 | |
|
|
2103 | /* simply recalculate all periodics */ |
|
|
2104 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
1799 | static void noinline |
2105 | static void noinline |
1800 | periodics_reschedule (EV_P) |
2106 | periodics_reschedule (EV_P) |
1801 | { |
2107 | { |
1802 | int i; |
2108 | int i; |
1803 | |
2109 | |
… | |
… | |
1816 | |
2122 | |
1817 | reheap (periodics, periodiccnt); |
2123 | reheap (periodics, periodiccnt); |
1818 | } |
2124 | } |
1819 | #endif |
2125 | #endif |
1820 | |
2126 | |
1821 | void inline_speed |
2127 | /* adjust all timers by a given offset */ |
|
|
2128 | static void noinline |
|
|
2129 | timers_reschedule (EV_P_ ev_tstamp adjust) |
|
|
2130 | { |
|
|
2131 | int i; |
|
|
2132 | |
|
|
2133 | for (i = 0; i < timercnt; ++i) |
|
|
2134 | { |
|
|
2135 | ANHE *he = timers + i + HEAP0; |
|
|
2136 | ANHE_w (*he)->at += adjust; |
|
|
2137 | ANHE_at_cache (*he); |
|
|
2138 | } |
|
|
2139 | } |
|
|
2140 | |
|
|
2141 | /* fetch new monotonic and realtime times from the kernel */ |
|
|
2142 | /* also detetc if there was a timejump, and act accordingly */ |
|
|
2143 | inline_speed void |
1822 | time_update (EV_P_ ev_tstamp max_block) |
2144 | time_update (EV_P_ ev_tstamp max_block) |
1823 | { |
2145 | { |
1824 | int i; |
|
|
1825 | |
|
|
1826 | #if EV_USE_MONOTONIC |
2146 | #if EV_USE_MONOTONIC |
1827 | if (expect_true (have_monotonic)) |
2147 | if (expect_true (have_monotonic)) |
1828 | { |
2148 | { |
|
|
2149 | int i; |
1829 | ev_tstamp odiff = rtmn_diff; |
2150 | ev_tstamp odiff = rtmn_diff; |
1830 | |
2151 | |
1831 | mn_now = get_clock (); |
2152 | mn_now = get_clock (); |
1832 | |
2153 | |
1833 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
2154 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
… | |
… | |
1859 | ev_rt_now = ev_time (); |
2180 | ev_rt_now = ev_time (); |
1860 | mn_now = get_clock (); |
2181 | mn_now = get_clock (); |
1861 | now_floor = mn_now; |
2182 | now_floor = mn_now; |
1862 | } |
2183 | } |
1863 | |
2184 | |
|
|
2185 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
2186 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1864 | # if EV_PERIODIC_ENABLE |
2187 | # if EV_PERIODIC_ENABLE |
1865 | periodics_reschedule (EV_A); |
2188 | periodics_reschedule (EV_A); |
1866 | # endif |
2189 | # endif |
1867 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1868 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1869 | } |
2190 | } |
1870 | else |
2191 | else |
1871 | #endif |
2192 | #endif |
1872 | { |
2193 | { |
1873 | ev_rt_now = ev_time (); |
2194 | ev_rt_now = ev_time (); |
1874 | |
2195 | |
1875 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
2196 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1876 | { |
2197 | { |
|
|
2198 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
2199 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
1877 | #if EV_PERIODIC_ENABLE |
2200 | #if EV_PERIODIC_ENABLE |
1878 | periodics_reschedule (EV_A); |
2201 | periodics_reschedule (EV_A); |
1879 | #endif |
2202 | #endif |
1880 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
1881 | for (i = 0; i < timercnt; ++i) |
|
|
1882 | { |
|
|
1883 | ANHE *he = timers + i + HEAP0; |
|
|
1884 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1885 | ANHE_at_cache (*he); |
|
|
1886 | } |
|
|
1887 | } |
2203 | } |
1888 | |
2204 | |
1889 | mn_now = ev_rt_now; |
2205 | mn_now = ev_rt_now; |
1890 | } |
2206 | } |
1891 | } |
2207 | } |
1892 | |
2208 | |
1893 | void |
2209 | void |
1894 | ev_ref (EV_P) |
|
|
1895 | { |
|
|
1896 | ++activecnt; |
|
|
1897 | } |
|
|
1898 | |
|
|
1899 | void |
|
|
1900 | ev_unref (EV_P) |
|
|
1901 | { |
|
|
1902 | --activecnt; |
|
|
1903 | } |
|
|
1904 | |
|
|
1905 | void |
|
|
1906 | ev_now_update (EV_P) |
|
|
1907 | { |
|
|
1908 | time_update (EV_A_ 1e100); |
|
|
1909 | } |
|
|
1910 | |
|
|
1911 | static int loop_done; |
|
|
1912 | |
|
|
1913 | void |
|
|
1914 | ev_loop (EV_P_ int flags) |
2210 | ev_loop (EV_P_ int flags) |
1915 | { |
2211 | { |
|
|
2212 | #if EV_MINIMAL < 2 |
|
|
2213 | ++loop_depth; |
|
|
2214 | #endif |
|
|
2215 | |
|
|
2216 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
|
|
2217 | |
1916 | loop_done = EVUNLOOP_CANCEL; |
2218 | loop_done = EVUNLOOP_CANCEL; |
1917 | |
2219 | |
1918 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
2220 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
1919 | |
2221 | |
1920 | do |
2222 | do |
1921 | { |
2223 | { |
1922 | #if EV_VERIFY >= 2 |
2224 | #if EV_VERIFY >= 2 |
1923 | ev_loop_verify (EV_A); |
2225 | ev_loop_verify (EV_A); |
… | |
… | |
1936 | /* we might have forked, so queue fork handlers */ |
2238 | /* we might have forked, so queue fork handlers */ |
1937 | if (expect_false (postfork)) |
2239 | if (expect_false (postfork)) |
1938 | if (forkcnt) |
2240 | if (forkcnt) |
1939 | { |
2241 | { |
1940 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2242 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1941 | call_pending (EV_A); |
2243 | EV_INVOKE_PENDING; |
1942 | } |
2244 | } |
1943 | #endif |
2245 | #endif |
1944 | |
2246 | |
1945 | /* queue prepare watchers (and execute them) */ |
2247 | /* queue prepare watchers (and execute them) */ |
1946 | if (expect_false (preparecnt)) |
2248 | if (expect_false (preparecnt)) |
1947 | { |
2249 | { |
1948 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2250 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1949 | call_pending (EV_A); |
2251 | EV_INVOKE_PENDING; |
1950 | } |
2252 | } |
1951 | |
2253 | |
1952 | if (expect_false (!activecnt)) |
2254 | if (expect_false (loop_done)) |
1953 | break; |
2255 | break; |
1954 | |
2256 | |
1955 | /* we might have forked, so reify kernel state if necessary */ |
2257 | /* we might have forked, so reify kernel state if necessary */ |
1956 | if (expect_false (postfork)) |
2258 | if (expect_false (postfork)) |
1957 | loop_fork (EV_A); |
2259 | loop_fork (EV_A); |
… | |
… | |
1964 | ev_tstamp waittime = 0.; |
2266 | ev_tstamp waittime = 0.; |
1965 | ev_tstamp sleeptime = 0.; |
2267 | ev_tstamp sleeptime = 0.; |
1966 | |
2268 | |
1967 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2269 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
1968 | { |
2270 | { |
|
|
2271 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2272 | ev_tstamp prev_mn_now = mn_now; |
|
|
2273 | |
1969 | /* update time to cancel out callback processing overhead */ |
2274 | /* update time to cancel out callback processing overhead */ |
1970 | time_update (EV_A_ 1e100); |
2275 | time_update (EV_A_ 1e100); |
1971 | |
2276 | |
1972 | waittime = MAX_BLOCKTIME; |
2277 | waittime = MAX_BLOCKTIME; |
1973 | |
2278 | |
… | |
… | |
1983 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
2288 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1984 | if (waittime > to) waittime = to; |
2289 | if (waittime > to) waittime = to; |
1985 | } |
2290 | } |
1986 | #endif |
2291 | #endif |
1987 | |
2292 | |
|
|
2293 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
1988 | if (expect_false (waittime < timeout_blocktime)) |
2294 | if (expect_false (waittime < timeout_blocktime)) |
1989 | waittime = timeout_blocktime; |
2295 | waittime = timeout_blocktime; |
1990 | |
2296 | |
1991 | sleeptime = waittime - backend_fudge; |
2297 | /* extra check because io_blocktime is commonly 0 */ |
1992 | |
|
|
1993 | if (expect_true (sleeptime > io_blocktime)) |
2298 | if (expect_false (io_blocktime)) |
1994 | sleeptime = io_blocktime; |
|
|
1995 | |
|
|
1996 | if (sleeptime) |
|
|
1997 | { |
2299 | { |
|
|
2300 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
|
|
2301 | |
|
|
2302 | if (sleeptime > waittime - backend_fudge) |
|
|
2303 | sleeptime = waittime - backend_fudge; |
|
|
2304 | |
|
|
2305 | if (expect_true (sleeptime > 0.)) |
|
|
2306 | { |
1998 | ev_sleep (sleeptime); |
2307 | ev_sleep (sleeptime); |
1999 | waittime -= sleeptime; |
2308 | waittime -= sleeptime; |
|
|
2309 | } |
2000 | } |
2310 | } |
2001 | } |
2311 | } |
2002 | |
2312 | |
|
|
2313 | #if EV_MINIMAL < 2 |
2003 | ++loop_count; |
2314 | ++loop_count; |
|
|
2315 | #endif |
|
|
2316 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2004 | backend_poll (EV_A_ waittime); |
2317 | backend_poll (EV_A_ waittime); |
|
|
2318 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2005 | |
2319 | |
2006 | /* update ev_rt_now, do magic */ |
2320 | /* update ev_rt_now, do magic */ |
2007 | time_update (EV_A_ waittime + sleeptime); |
2321 | time_update (EV_A_ waittime + sleeptime); |
2008 | } |
2322 | } |
2009 | |
2323 | |
… | |
… | |
2020 | |
2334 | |
2021 | /* queue check watchers, to be executed first */ |
2335 | /* queue check watchers, to be executed first */ |
2022 | if (expect_false (checkcnt)) |
2336 | if (expect_false (checkcnt)) |
2023 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2337 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2024 | |
2338 | |
2025 | call_pending (EV_A); |
2339 | EV_INVOKE_PENDING; |
2026 | } |
2340 | } |
2027 | while (expect_true ( |
2341 | while (expect_true ( |
2028 | activecnt |
2342 | activecnt |
2029 | && !loop_done |
2343 | && !loop_done |
2030 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2344 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2031 | )); |
2345 | )); |
2032 | |
2346 | |
2033 | if (loop_done == EVUNLOOP_ONE) |
2347 | if (loop_done == EVUNLOOP_ONE) |
2034 | loop_done = EVUNLOOP_CANCEL; |
2348 | loop_done = EVUNLOOP_CANCEL; |
|
|
2349 | |
|
|
2350 | #if EV_MINIMAL < 2 |
|
|
2351 | --loop_depth; |
|
|
2352 | #endif |
2035 | } |
2353 | } |
2036 | |
2354 | |
2037 | void |
2355 | void |
2038 | ev_unloop (EV_P_ int how) |
2356 | ev_unloop (EV_P_ int how) |
2039 | { |
2357 | { |
2040 | loop_done = how; |
2358 | loop_done = how; |
2041 | } |
2359 | } |
2042 | |
2360 | |
|
|
2361 | void |
|
|
2362 | ev_ref (EV_P) |
|
|
2363 | { |
|
|
2364 | ++activecnt; |
|
|
2365 | } |
|
|
2366 | |
|
|
2367 | void |
|
|
2368 | ev_unref (EV_P) |
|
|
2369 | { |
|
|
2370 | --activecnt; |
|
|
2371 | } |
|
|
2372 | |
|
|
2373 | void |
|
|
2374 | ev_now_update (EV_P) |
|
|
2375 | { |
|
|
2376 | time_update (EV_A_ 1e100); |
|
|
2377 | } |
|
|
2378 | |
|
|
2379 | void |
|
|
2380 | ev_suspend (EV_P) |
|
|
2381 | { |
|
|
2382 | ev_now_update (EV_A); |
|
|
2383 | } |
|
|
2384 | |
|
|
2385 | void |
|
|
2386 | ev_resume (EV_P) |
|
|
2387 | { |
|
|
2388 | ev_tstamp mn_prev = mn_now; |
|
|
2389 | |
|
|
2390 | ev_now_update (EV_A); |
|
|
2391 | timers_reschedule (EV_A_ mn_now - mn_prev); |
|
|
2392 | #if EV_PERIODIC_ENABLE |
|
|
2393 | /* TODO: really do this? */ |
|
|
2394 | periodics_reschedule (EV_A); |
|
|
2395 | #endif |
|
|
2396 | } |
|
|
2397 | |
2043 | /*****************************************************************************/ |
2398 | /*****************************************************************************/ |
|
|
2399 | /* singly-linked list management, used when the expected list length is short */ |
2044 | |
2400 | |
2045 | void inline_size |
2401 | inline_size void |
2046 | wlist_add (WL *head, WL elem) |
2402 | wlist_add (WL *head, WL elem) |
2047 | { |
2403 | { |
2048 | elem->next = *head; |
2404 | elem->next = *head; |
2049 | *head = elem; |
2405 | *head = elem; |
2050 | } |
2406 | } |
2051 | |
2407 | |
2052 | void inline_size |
2408 | inline_size void |
2053 | wlist_del (WL *head, WL elem) |
2409 | wlist_del (WL *head, WL elem) |
2054 | { |
2410 | { |
2055 | while (*head) |
2411 | while (*head) |
2056 | { |
2412 | { |
2057 | if (*head == elem) |
2413 | if (expect_true (*head == elem)) |
2058 | { |
2414 | { |
2059 | *head = elem->next; |
2415 | *head = elem->next; |
2060 | return; |
2416 | break; |
2061 | } |
2417 | } |
2062 | |
2418 | |
2063 | head = &(*head)->next; |
2419 | head = &(*head)->next; |
2064 | } |
2420 | } |
2065 | } |
2421 | } |
2066 | |
2422 | |
2067 | void inline_speed |
2423 | /* internal, faster, version of ev_clear_pending */ |
|
|
2424 | inline_speed void |
2068 | clear_pending (EV_P_ W w) |
2425 | clear_pending (EV_P_ W w) |
2069 | { |
2426 | { |
2070 | if (w->pending) |
2427 | if (w->pending) |
2071 | { |
2428 | { |
2072 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
2429 | pendings [ABSPRI (w)][w->pending - 1].w = (W)&pending_w; |
2073 | w->pending = 0; |
2430 | w->pending = 0; |
2074 | } |
2431 | } |
2075 | } |
2432 | } |
2076 | |
2433 | |
2077 | int |
2434 | int |
… | |
… | |
2081 | int pending = w_->pending; |
2438 | int pending = w_->pending; |
2082 | |
2439 | |
2083 | if (expect_true (pending)) |
2440 | if (expect_true (pending)) |
2084 | { |
2441 | { |
2085 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
2442 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
2443 | p->w = (W)&pending_w; |
2086 | w_->pending = 0; |
2444 | w_->pending = 0; |
2087 | p->w = 0; |
|
|
2088 | return p->events; |
2445 | return p->events; |
2089 | } |
2446 | } |
2090 | else |
2447 | else |
2091 | return 0; |
2448 | return 0; |
2092 | } |
2449 | } |
2093 | |
2450 | |
2094 | void inline_size |
2451 | inline_size void |
2095 | pri_adjust (EV_P_ W w) |
2452 | pri_adjust (EV_P_ W w) |
2096 | { |
2453 | { |
2097 | int pri = w->priority; |
2454 | int pri = ev_priority (w); |
2098 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2455 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2099 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2456 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2100 | w->priority = pri; |
2457 | ev_set_priority (w, pri); |
2101 | } |
2458 | } |
2102 | |
2459 | |
2103 | void inline_speed |
2460 | inline_speed void |
2104 | ev_start (EV_P_ W w, int active) |
2461 | ev_start (EV_P_ W w, int active) |
2105 | { |
2462 | { |
2106 | pri_adjust (EV_A_ w); |
2463 | pri_adjust (EV_A_ w); |
2107 | w->active = active; |
2464 | w->active = active; |
2108 | ev_ref (EV_A); |
2465 | ev_ref (EV_A); |
2109 | } |
2466 | } |
2110 | |
2467 | |
2111 | void inline_size |
2468 | inline_size void |
2112 | ev_stop (EV_P_ W w) |
2469 | ev_stop (EV_P_ W w) |
2113 | { |
2470 | { |
2114 | ev_unref (EV_A); |
2471 | ev_unref (EV_A); |
2115 | w->active = 0; |
2472 | w->active = 0; |
2116 | } |
2473 | } |
… | |
… | |
2123 | int fd = w->fd; |
2480 | int fd = w->fd; |
2124 | |
2481 | |
2125 | if (expect_false (ev_is_active (w))) |
2482 | if (expect_false (ev_is_active (w))) |
2126 | return; |
2483 | return; |
2127 | |
2484 | |
2128 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2485 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2129 | assert (("ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE)))); |
2486 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2130 | |
2487 | |
2131 | EV_FREQUENT_CHECK; |
2488 | EV_FREQUENT_CHECK; |
2132 | |
2489 | |
2133 | ev_start (EV_A_ (W)w, 1); |
2490 | ev_start (EV_A_ (W)w, 1); |
2134 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2491 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2135 | wlist_add (&anfds[fd].head, (WL)w); |
2492 | wlist_add (&anfds[fd].head, (WL)w); |
2136 | |
2493 | |
2137 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2494 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
2138 | w->events &= ~EV_IOFDSET; |
2495 | w->events &= ~EV__IOFDSET; |
2139 | |
2496 | |
2140 | EV_FREQUENT_CHECK; |
2497 | EV_FREQUENT_CHECK; |
2141 | } |
2498 | } |
2142 | |
2499 | |
2143 | void noinline |
2500 | void noinline |
… | |
… | |
2145 | { |
2502 | { |
2146 | clear_pending (EV_A_ (W)w); |
2503 | clear_pending (EV_A_ (W)w); |
2147 | if (expect_false (!ev_is_active (w))) |
2504 | if (expect_false (!ev_is_active (w))) |
2148 | return; |
2505 | return; |
2149 | |
2506 | |
2150 | assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2507 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2151 | |
2508 | |
2152 | EV_FREQUENT_CHECK; |
2509 | EV_FREQUENT_CHECK; |
2153 | |
2510 | |
2154 | wlist_del (&anfds[w->fd].head, (WL)w); |
2511 | wlist_del (&anfds[w->fd].head, (WL)w); |
2155 | ev_stop (EV_A_ (W)w); |
2512 | ev_stop (EV_A_ (W)w); |
… | |
… | |
2165 | if (expect_false (ev_is_active (w))) |
2522 | if (expect_false (ev_is_active (w))) |
2166 | return; |
2523 | return; |
2167 | |
2524 | |
2168 | ev_at (w) += mn_now; |
2525 | ev_at (w) += mn_now; |
2169 | |
2526 | |
2170 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2527 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2171 | |
2528 | |
2172 | EV_FREQUENT_CHECK; |
2529 | EV_FREQUENT_CHECK; |
2173 | |
2530 | |
2174 | ++timercnt; |
2531 | ++timercnt; |
2175 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
2532 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
… | |
… | |
2178 | ANHE_at_cache (timers [ev_active (w)]); |
2535 | ANHE_at_cache (timers [ev_active (w)]); |
2179 | upheap (timers, ev_active (w)); |
2536 | upheap (timers, ev_active (w)); |
2180 | |
2537 | |
2181 | EV_FREQUENT_CHECK; |
2538 | EV_FREQUENT_CHECK; |
2182 | |
2539 | |
2183 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2540 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2184 | } |
2541 | } |
2185 | |
2542 | |
2186 | void noinline |
2543 | void noinline |
2187 | ev_timer_stop (EV_P_ ev_timer *w) |
2544 | ev_timer_stop (EV_P_ ev_timer *w) |
2188 | { |
2545 | { |
… | |
… | |
2193 | EV_FREQUENT_CHECK; |
2550 | EV_FREQUENT_CHECK; |
2194 | |
2551 | |
2195 | { |
2552 | { |
2196 | int active = ev_active (w); |
2553 | int active = ev_active (w); |
2197 | |
2554 | |
2198 | assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
2555 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
2199 | |
2556 | |
2200 | --timercnt; |
2557 | --timercnt; |
2201 | |
2558 | |
2202 | if (expect_true (active < timercnt + HEAP0)) |
2559 | if (expect_true (active < timercnt + HEAP0)) |
2203 | { |
2560 | { |
… | |
… | |
2236 | } |
2593 | } |
2237 | |
2594 | |
2238 | EV_FREQUENT_CHECK; |
2595 | EV_FREQUENT_CHECK; |
2239 | } |
2596 | } |
2240 | |
2597 | |
|
|
2598 | ev_tstamp |
|
|
2599 | ev_timer_remaining (EV_P_ ev_timer *w) |
|
|
2600 | { |
|
|
2601 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
|
|
2602 | } |
|
|
2603 | |
2241 | #if EV_PERIODIC_ENABLE |
2604 | #if EV_PERIODIC_ENABLE |
2242 | void noinline |
2605 | void noinline |
2243 | ev_periodic_start (EV_P_ ev_periodic *w) |
2606 | ev_periodic_start (EV_P_ ev_periodic *w) |
2244 | { |
2607 | { |
2245 | if (expect_false (ev_is_active (w))) |
2608 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2247 | |
2610 | |
2248 | if (w->reschedule_cb) |
2611 | if (w->reschedule_cb) |
2249 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2612 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2250 | else if (w->interval) |
2613 | else if (w->interval) |
2251 | { |
2614 | { |
2252 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2615 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2253 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2616 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2254 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2617 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2255 | } |
2618 | } |
2256 | else |
2619 | else |
2257 | ev_at (w) = w->offset; |
2620 | ev_at (w) = w->offset; |
… | |
… | |
2265 | ANHE_at_cache (periodics [ev_active (w)]); |
2628 | ANHE_at_cache (periodics [ev_active (w)]); |
2266 | upheap (periodics, ev_active (w)); |
2629 | upheap (periodics, ev_active (w)); |
2267 | |
2630 | |
2268 | EV_FREQUENT_CHECK; |
2631 | EV_FREQUENT_CHECK; |
2269 | |
2632 | |
2270 | /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2633 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2271 | } |
2634 | } |
2272 | |
2635 | |
2273 | void noinline |
2636 | void noinline |
2274 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2637 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2275 | { |
2638 | { |
… | |
… | |
2280 | EV_FREQUENT_CHECK; |
2643 | EV_FREQUENT_CHECK; |
2281 | |
2644 | |
2282 | { |
2645 | { |
2283 | int active = ev_active (w); |
2646 | int active = ev_active (w); |
2284 | |
2647 | |
2285 | assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
2648 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
2286 | |
2649 | |
2287 | --periodiccnt; |
2650 | --periodiccnt; |
2288 | |
2651 | |
2289 | if (expect_true (active < periodiccnt + HEAP0)) |
2652 | if (expect_true (active < periodiccnt + HEAP0)) |
2290 | { |
2653 | { |
… | |
… | |
2312 | #endif |
2675 | #endif |
2313 | |
2676 | |
2314 | void noinline |
2677 | void noinline |
2315 | ev_signal_start (EV_P_ ev_signal *w) |
2678 | ev_signal_start (EV_P_ ev_signal *w) |
2316 | { |
2679 | { |
2317 | #if EV_MULTIPLICITY |
|
|
2318 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
2319 | #endif |
|
|
2320 | if (expect_false (ev_is_active (w))) |
2680 | if (expect_false (ev_is_active (w))) |
2321 | return; |
2681 | return; |
2322 | |
2682 | |
2323 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2683 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
2324 | |
2684 | |
2325 | evpipe_init (EV_A); |
2685 | #if EV_MULTIPLICITY |
|
|
2686 | assert (("libev: a signal must not be attached to two different loops", |
|
|
2687 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
2326 | |
2688 | |
2327 | EV_FREQUENT_CHECK; |
2689 | signals [w->signum - 1].loop = EV_A; |
|
|
2690 | #endif |
2328 | |
2691 | |
|
|
2692 | EV_FREQUENT_CHECK; |
|
|
2693 | |
|
|
2694 | #if EV_USE_SIGNALFD |
|
|
2695 | if (sigfd == -2) |
2329 | { |
2696 | { |
2330 | #ifndef _WIN32 |
2697 | sigfd = signalfd (-1, &sigfd_set, SFD_NONBLOCK | SFD_CLOEXEC); |
2331 | sigset_t full, prev; |
2698 | if (sigfd < 0 && errno == EINVAL) |
2332 | sigfillset (&full); |
2699 | sigfd = signalfd (-1, &sigfd_set, 0); /* retry without flags */ |
2333 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
2334 | #endif |
|
|
2335 | |
2700 | |
2336 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
2701 | if (sigfd >= 0) |
|
|
2702 | { |
|
|
2703 | fd_intern (sigfd); /* doing it twice will not hurt */ |
2337 | |
2704 | |
2338 | #ifndef _WIN32 |
2705 | sigemptyset (&sigfd_set); |
2339 | sigprocmask (SIG_SETMASK, &prev, 0); |
2706 | |
2340 | #endif |
2707 | ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ); |
|
|
2708 | ev_set_priority (&sigfd_w, EV_MAXPRI); |
|
|
2709 | ev_io_start (EV_A_ &sigfd_w); |
|
|
2710 | ev_unref (EV_A); /* signalfd watcher should not keep loop alive */ |
|
|
2711 | } |
2341 | } |
2712 | } |
|
|
2713 | |
|
|
2714 | if (sigfd >= 0) |
|
|
2715 | { |
|
|
2716 | /* TODO: check .head */ |
|
|
2717 | sigaddset (&sigfd_set, w->signum); |
|
|
2718 | sigprocmask (SIG_BLOCK, &sigfd_set, 0); |
|
|
2719 | |
|
|
2720 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2721 | } |
|
|
2722 | #endif |
2342 | |
2723 | |
2343 | ev_start (EV_A_ (W)w, 1); |
2724 | ev_start (EV_A_ (W)w, 1); |
2344 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2725 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2345 | |
2726 | |
2346 | if (!((WL)w)->next) |
2727 | if (!((WL)w)->next) |
|
|
2728 | # if EV_USE_SIGNALFD |
|
|
2729 | if (sigfd < 0) /*TODO*/ |
|
|
2730 | # endif |
2347 | { |
2731 | { |
2348 | #if _WIN32 |
2732 | # if _WIN32 |
2349 | signal (w->signum, ev_sighandler); |
2733 | signal (w->signum, ev_sighandler); |
2350 | #else |
2734 | # else |
2351 | struct sigaction sa; |
2735 | struct sigaction sa; |
|
|
2736 | |
|
|
2737 | evpipe_init (EV_A); |
|
|
2738 | |
2352 | sa.sa_handler = ev_sighandler; |
2739 | sa.sa_handler = ev_sighandler; |
2353 | sigfillset (&sa.sa_mask); |
2740 | sigfillset (&sa.sa_mask); |
2354 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2741 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2355 | sigaction (w->signum, &sa, 0); |
2742 | sigaction (w->signum, &sa, 0); |
|
|
2743 | |
|
|
2744 | sigemptyset (&sa.sa_mask); |
|
|
2745 | sigaddset (&sa.sa_mask, w->signum); |
|
|
2746 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
2356 | #endif |
2747 | #endif |
2357 | } |
2748 | } |
2358 | |
2749 | |
2359 | EV_FREQUENT_CHECK; |
2750 | EV_FREQUENT_CHECK; |
2360 | } |
2751 | } |
2361 | |
2752 | |
2362 | void noinline |
2753 | void noinline |
… | |
… | |
2370 | |
2761 | |
2371 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2762 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2372 | ev_stop (EV_A_ (W)w); |
2763 | ev_stop (EV_A_ (W)w); |
2373 | |
2764 | |
2374 | if (!signals [w->signum - 1].head) |
2765 | if (!signals [w->signum - 1].head) |
|
|
2766 | { |
|
|
2767 | #if EV_MULTIPLICITY |
|
|
2768 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
|
|
2769 | #endif |
|
|
2770 | #if EV_USE_SIGNALFD |
|
|
2771 | if (sigfd >= 0) |
|
|
2772 | { |
|
|
2773 | sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D |
|
|
2774 | sigdelset (&sigfd_set, w->signum); |
|
|
2775 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2776 | sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D |
|
|
2777 | /*TODO: maybe unblock signal? */ |
|
|
2778 | } |
|
|
2779 | else |
|
|
2780 | #endif |
2375 | signal (w->signum, SIG_DFL); |
2781 | signal (w->signum, SIG_DFL); |
|
|
2782 | } |
2376 | |
2783 | |
2377 | EV_FREQUENT_CHECK; |
2784 | EV_FREQUENT_CHECK; |
2378 | } |
2785 | } |
2379 | |
2786 | |
2380 | void |
2787 | void |
2381 | ev_child_start (EV_P_ ev_child *w) |
2788 | ev_child_start (EV_P_ ev_child *w) |
2382 | { |
2789 | { |
2383 | #if EV_MULTIPLICITY |
2790 | #if EV_MULTIPLICITY |
2384 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2791 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2385 | #endif |
2792 | #endif |
2386 | if (expect_false (ev_is_active (w))) |
2793 | if (expect_false (ev_is_active (w))) |
2387 | return; |
2794 | return; |
2388 | |
2795 | |
2389 | EV_FREQUENT_CHECK; |
2796 | EV_FREQUENT_CHECK; |
… | |
… | |
2414 | # ifdef _WIN32 |
2821 | # ifdef _WIN32 |
2415 | # undef lstat |
2822 | # undef lstat |
2416 | # define lstat(a,b) _stati64 (a,b) |
2823 | # define lstat(a,b) _stati64 (a,b) |
2417 | # endif |
2824 | # endif |
2418 | |
2825 | |
2419 | #define DEF_STAT_INTERVAL 5.0074891 |
2826 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
2827 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
2420 | #define MIN_STAT_INTERVAL 0.1074891 |
2828 | #define MIN_STAT_INTERVAL 0.1074891 |
2421 | |
2829 | |
2422 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2830 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2423 | |
2831 | |
2424 | #if EV_USE_INOTIFY |
2832 | #if EV_USE_INOTIFY |
2425 | # define EV_INOTIFY_BUFSIZE 8192 |
2833 | # define EV_INOTIFY_BUFSIZE 8192 |
… | |
… | |
2429 | { |
2837 | { |
2430 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
2838 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
2431 | |
2839 | |
2432 | if (w->wd < 0) |
2840 | if (w->wd < 0) |
2433 | { |
2841 | { |
|
|
2842 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2434 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2843 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2435 | |
2844 | |
2436 | /* monitor some parent directory for speedup hints */ |
2845 | /* monitor some parent directory for speedup hints */ |
2437 | /* note that exceeding the hardcoded limit is not a correctness issue, */ |
2846 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2438 | /* but an efficiency issue only */ |
2847 | /* but an efficiency issue only */ |
2439 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2848 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2440 | { |
2849 | { |
2441 | char path [4096]; |
2850 | char path [4096]; |
2442 | strcpy (path, w->path); |
2851 | strcpy (path, w->path); |
… | |
… | |
2446 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2855 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2447 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2856 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2448 | |
2857 | |
2449 | char *pend = strrchr (path, '/'); |
2858 | char *pend = strrchr (path, '/'); |
2450 | |
2859 | |
2451 | if (!pend) |
2860 | if (!pend || pend == path) |
2452 | break; /* whoops, no '/', complain to your admin */ |
2861 | break; |
2453 | |
2862 | |
2454 | *pend = 0; |
2863 | *pend = 0; |
2455 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2864 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2456 | } |
2865 | } |
2457 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2866 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2458 | } |
2867 | } |
2459 | } |
2868 | } |
2460 | else |
|
|
2461 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
2462 | |
2869 | |
2463 | if (w->wd >= 0) |
2870 | if (w->wd >= 0) |
|
|
2871 | { |
|
|
2872 | struct statfs sfs; |
|
|
2873 | |
2464 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2874 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
2875 | |
|
|
2876 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2877 | /* unless the filesystem it known to be local, we therefore still poll */ |
|
|
2878 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2879 | |
|
|
2880 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2881 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2882 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2883 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2884 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2885 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2886 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2887 | return; |
|
|
2888 | |
|
|
2889 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2890 | ev_timer_again (EV_A_ &w->timer); |
|
|
2891 | } |
2465 | } |
2892 | } |
2466 | |
2893 | |
2467 | static void noinline |
2894 | static void noinline |
2468 | infy_del (EV_P_ ev_stat *w) |
2895 | infy_del (EV_P_ ev_stat *w) |
2469 | { |
2896 | { |
… | |
… | |
2499 | |
2926 | |
2500 | if (w->wd == wd || wd == -1) |
2927 | if (w->wd == wd || wd == -1) |
2501 | { |
2928 | { |
2502 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2929 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2503 | { |
2930 | { |
|
|
2931 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2504 | w->wd = -1; |
2932 | w->wd = -1; |
2505 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2933 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2506 | } |
2934 | } |
2507 | |
2935 | |
2508 | stat_timer_cb (EV_A_ &w->timer, 0); |
2936 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2521 | |
2949 | |
2522 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2950 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2523 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2951 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2524 | } |
2952 | } |
2525 | |
2953 | |
2526 | void inline_size |
2954 | inline_size void |
2527 | infy_init (EV_P) |
2955 | check_2625 (EV_P) |
2528 | { |
2956 | { |
2529 | if (fs_fd != -2) |
|
|
2530 | return; |
|
|
2531 | |
|
|
2532 | /* kernels < 2.6.25 are borked |
2957 | /* kernels < 2.6.25 are borked |
2533 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2958 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2534 | */ |
2959 | */ |
2535 | { |
|
|
2536 | struct utsname buf; |
2960 | struct utsname buf; |
2537 | int major, minor, micro; |
2961 | int major, minor, micro; |
2538 | |
2962 | |
2539 | fs_fd = -1; |
|
|
2540 | |
|
|
2541 | if (uname (&buf)) |
2963 | if (uname (&buf)) |
2542 | return; |
2964 | return; |
2543 | |
2965 | |
2544 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
2966 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
2545 | return; |
2967 | return; |
2546 | |
2968 | |
2547 | if (major < 2 |
2969 | if (major < 2 |
2548 | || (major == 2 && minor < 6) |
2970 | || (major == 2 && minor < 6) |
2549 | || (major == 2 && minor == 6 && micro < 25)) |
2971 | || (major == 2 && minor == 6 && micro < 25)) |
2550 | return; |
2972 | return; |
2551 | } |
2973 | |
|
|
2974 | fs_2625 = 1; |
|
|
2975 | } |
|
|
2976 | |
|
|
2977 | inline_size void |
|
|
2978 | infy_init (EV_P) |
|
|
2979 | { |
|
|
2980 | if (fs_fd != -2) |
|
|
2981 | return; |
|
|
2982 | |
|
|
2983 | fs_fd = -1; |
|
|
2984 | |
|
|
2985 | check_2625 (EV_A); |
2552 | |
2986 | |
2553 | fs_fd = inotify_init (); |
2987 | fs_fd = inotify_init (); |
2554 | |
2988 | |
2555 | if (fs_fd >= 0) |
2989 | if (fs_fd >= 0) |
2556 | { |
2990 | { |
… | |
… | |
2558 | ev_set_priority (&fs_w, EV_MAXPRI); |
2992 | ev_set_priority (&fs_w, EV_MAXPRI); |
2559 | ev_io_start (EV_A_ &fs_w); |
2993 | ev_io_start (EV_A_ &fs_w); |
2560 | } |
2994 | } |
2561 | } |
2995 | } |
2562 | |
2996 | |
2563 | void inline_size |
2997 | inline_size void |
2564 | infy_fork (EV_P) |
2998 | infy_fork (EV_P) |
2565 | { |
2999 | { |
2566 | int slot; |
3000 | int slot; |
2567 | |
3001 | |
2568 | if (fs_fd < 0) |
3002 | if (fs_fd < 0) |
… | |
… | |
2584 | w->wd = -1; |
3018 | w->wd = -1; |
2585 | |
3019 | |
2586 | if (fs_fd >= 0) |
3020 | if (fs_fd >= 0) |
2587 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3021 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2588 | else |
3022 | else |
2589 | ev_timer_start (EV_A_ &w->timer); |
3023 | ev_timer_again (EV_A_ &w->timer); |
2590 | } |
3024 | } |
2591 | } |
3025 | } |
2592 | } |
3026 | } |
2593 | |
3027 | |
2594 | #endif |
3028 | #endif |
… | |
… | |
2649 | ev_stat_start (EV_P_ ev_stat *w) |
3083 | ev_stat_start (EV_P_ ev_stat *w) |
2650 | { |
3084 | { |
2651 | if (expect_false (ev_is_active (w))) |
3085 | if (expect_false (ev_is_active (w))) |
2652 | return; |
3086 | return; |
2653 | |
3087 | |
2654 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2655 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2656 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2657 | |
|
|
2658 | ev_stat_stat (EV_A_ w); |
3088 | ev_stat_stat (EV_A_ w); |
2659 | |
3089 | |
|
|
3090 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
2660 | if (w->interval < MIN_STAT_INTERVAL) |
3091 | w->interval = MIN_STAT_INTERVAL; |
2661 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2662 | |
3092 | |
2663 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
3093 | ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL); |
2664 | ev_set_priority (&w->timer, ev_priority (w)); |
3094 | ev_set_priority (&w->timer, ev_priority (w)); |
2665 | |
3095 | |
2666 | #if EV_USE_INOTIFY |
3096 | #if EV_USE_INOTIFY |
2667 | infy_init (EV_A); |
3097 | infy_init (EV_A); |
2668 | |
3098 | |
2669 | if (fs_fd >= 0) |
3099 | if (fs_fd >= 0) |
2670 | infy_add (EV_A_ w); |
3100 | infy_add (EV_A_ w); |
2671 | else |
3101 | else |
2672 | #endif |
3102 | #endif |
2673 | ev_timer_start (EV_A_ &w->timer); |
3103 | ev_timer_again (EV_A_ &w->timer); |
2674 | |
3104 | |
2675 | ev_start (EV_A_ (W)w, 1); |
3105 | ev_start (EV_A_ (W)w, 1); |
2676 | |
3106 | |
2677 | EV_FREQUENT_CHECK; |
3107 | EV_FREQUENT_CHECK; |
2678 | } |
3108 | } |
… | |
… | |
2838 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3268 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
2839 | { |
3269 | { |
2840 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3270 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
2841 | |
3271 | |
2842 | { |
3272 | { |
2843 | struct ev_loop *loop = w->other; |
3273 | EV_P = w->other; |
2844 | |
3274 | |
2845 | while (fdchangecnt) |
3275 | while (fdchangecnt) |
2846 | { |
3276 | { |
2847 | fd_reify (EV_A); |
3277 | fd_reify (EV_A); |
2848 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3278 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
… | |
… | |
2853 | static void |
3283 | static void |
2854 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
3284 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
2855 | { |
3285 | { |
2856 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
3286 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
2857 | |
3287 | |
|
|
3288 | ev_embed_stop (EV_A_ w); |
|
|
3289 | |
2858 | { |
3290 | { |
2859 | struct ev_loop *loop = w->other; |
3291 | EV_P = w->other; |
2860 | |
3292 | |
2861 | ev_loop_fork (EV_A); |
3293 | ev_loop_fork (EV_A); |
|
|
3294 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2862 | } |
3295 | } |
|
|
3296 | |
|
|
3297 | ev_embed_start (EV_A_ w); |
2863 | } |
3298 | } |
2864 | |
3299 | |
2865 | #if 0 |
3300 | #if 0 |
2866 | static void |
3301 | static void |
2867 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
3302 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
… | |
… | |
2875 | { |
3310 | { |
2876 | if (expect_false (ev_is_active (w))) |
3311 | if (expect_false (ev_is_active (w))) |
2877 | return; |
3312 | return; |
2878 | |
3313 | |
2879 | { |
3314 | { |
2880 | struct ev_loop *loop = w->other; |
3315 | EV_P = w->other; |
2881 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3316 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2882 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3317 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2883 | } |
3318 | } |
2884 | |
3319 | |
2885 | EV_FREQUENT_CHECK; |
3320 | EV_FREQUENT_CHECK; |
2886 | |
3321 | |
… | |
… | |
2997 | |
3432 | |
2998 | void |
3433 | void |
2999 | ev_async_send (EV_P_ ev_async *w) |
3434 | ev_async_send (EV_P_ ev_async *w) |
3000 | { |
3435 | { |
3001 | w->sent = 1; |
3436 | w->sent = 1; |
3002 | evpipe_write (EV_A_ &gotasync); |
3437 | evpipe_write (EV_A_ &async_pending); |
3003 | } |
3438 | } |
3004 | #endif |
3439 | #endif |
3005 | |
3440 | |
3006 | /*****************************************************************************/ |
3441 | /*****************************************************************************/ |
3007 | |
3442 | |
… | |
… | |
3069 | ev_timer_set (&once->to, timeout, 0.); |
3504 | ev_timer_set (&once->to, timeout, 0.); |
3070 | ev_timer_start (EV_A_ &once->to); |
3505 | ev_timer_start (EV_A_ &once->to); |
3071 | } |
3506 | } |
3072 | } |
3507 | } |
3073 | |
3508 | |
|
|
3509 | /*****************************************************************************/ |
|
|
3510 | |
|
|
3511 | #if EV_WALK_ENABLE |
|
|
3512 | void |
|
|
3513 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
|
|
3514 | { |
|
|
3515 | int i, j; |
|
|
3516 | ev_watcher_list *wl, *wn; |
|
|
3517 | |
|
|
3518 | if (types & (EV_IO | EV_EMBED)) |
|
|
3519 | for (i = 0; i < anfdmax; ++i) |
|
|
3520 | for (wl = anfds [i].head; wl; ) |
|
|
3521 | { |
|
|
3522 | wn = wl->next; |
|
|
3523 | |
|
|
3524 | #if EV_EMBED_ENABLE |
|
|
3525 | if (ev_cb ((ev_io *)wl) == embed_io_cb) |
|
|
3526 | { |
|
|
3527 | if (types & EV_EMBED) |
|
|
3528 | cb (EV_A_ EV_EMBED, ((char *)wl) - offsetof (struct ev_embed, io)); |
|
|
3529 | } |
|
|
3530 | else |
|
|
3531 | #endif |
|
|
3532 | #if EV_USE_INOTIFY |
|
|
3533 | if (ev_cb ((ev_io *)wl) == infy_cb) |
|
|
3534 | ; |
|
|
3535 | else |
|
|
3536 | #endif |
|
|
3537 | if ((ev_io *)wl != &pipe_w) |
|
|
3538 | if (types & EV_IO) |
|
|
3539 | cb (EV_A_ EV_IO, wl); |
|
|
3540 | |
|
|
3541 | wl = wn; |
|
|
3542 | } |
|
|
3543 | |
|
|
3544 | if (types & (EV_TIMER | EV_STAT)) |
|
|
3545 | for (i = timercnt + HEAP0; i-- > HEAP0; ) |
|
|
3546 | #if EV_STAT_ENABLE |
|
|
3547 | /*TODO: timer is not always active*/ |
|
|
3548 | if (ev_cb ((ev_timer *)ANHE_w (timers [i])) == stat_timer_cb) |
|
|
3549 | { |
|
|
3550 | if (types & EV_STAT) |
|
|
3551 | cb (EV_A_ EV_STAT, ((char *)ANHE_w (timers [i])) - offsetof (struct ev_stat, timer)); |
|
|
3552 | } |
|
|
3553 | else |
|
|
3554 | #endif |
|
|
3555 | if (types & EV_TIMER) |
|
|
3556 | cb (EV_A_ EV_TIMER, ANHE_w (timers [i])); |
|
|
3557 | |
|
|
3558 | #if EV_PERIODIC_ENABLE |
|
|
3559 | if (types & EV_PERIODIC) |
|
|
3560 | for (i = periodiccnt + HEAP0; i-- > HEAP0; ) |
|
|
3561 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
|
|
3562 | #endif |
|
|
3563 | |
|
|
3564 | #if EV_IDLE_ENABLE |
|
|
3565 | if (types & EV_IDLE) |
|
|
3566 | for (j = NUMPRI; i--; ) |
|
|
3567 | for (i = idlecnt [j]; i--; ) |
|
|
3568 | cb (EV_A_ EV_IDLE, idles [j][i]); |
|
|
3569 | #endif |
|
|
3570 | |
|
|
3571 | #if EV_FORK_ENABLE |
|
|
3572 | if (types & EV_FORK) |
|
|
3573 | for (i = forkcnt; i--; ) |
|
|
3574 | if (ev_cb (forks [i]) != embed_fork_cb) |
|
|
3575 | cb (EV_A_ EV_FORK, forks [i]); |
|
|
3576 | #endif |
|
|
3577 | |
|
|
3578 | #if EV_ASYNC_ENABLE |
|
|
3579 | if (types & EV_ASYNC) |
|
|
3580 | for (i = asynccnt; i--; ) |
|
|
3581 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
|
|
3582 | #endif |
|
|
3583 | |
|
|
3584 | if (types & EV_PREPARE) |
|
|
3585 | for (i = preparecnt; i--; ) |
|
|
3586 | #if EV_EMBED_ENABLE |
|
|
3587 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
|
|
3588 | #endif |
|
|
3589 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3590 | |
|
|
3591 | if (types & EV_CHECK) |
|
|
3592 | for (i = checkcnt; i--; ) |
|
|
3593 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3594 | |
|
|
3595 | if (types & EV_SIGNAL) |
|
|
3596 | for (i = 0; i < EV_NSIG - 1; ++i) |
|
|
3597 | for (wl = signals [i].head; wl; ) |
|
|
3598 | { |
|
|
3599 | wn = wl->next; |
|
|
3600 | cb (EV_A_ EV_SIGNAL, wl); |
|
|
3601 | wl = wn; |
|
|
3602 | } |
|
|
3603 | |
|
|
3604 | if (types & EV_CHILD) |
|
|
3605 | for (i = EV_PID_HASHSIZE; i--; ) |
|
|
3606 | for (wl = childs [i]; wl; ) |
|
|
3607 | { |
|
|
3608 | wn = wl->next; |
|
|
3609 | cb (EV_A_ EV_CHILD, wl); |
|
|
3610 | wl = wn; |
|
|
3611 | } |
|
|
3612 | /* EV_STAT 0x00001000 /* stat data changed */ |
|
|
3613 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
|
|
3614 | } |
|
|
3615 | #endif |
|
|
3616 | |
3074 | #if EV_MULTIPLICITY |
3617 | #if EV_MULTIPLICITY |
3075 | #include "ev_wrap.h" |
3618 | #include "ev_wrap.h" |
3076 | #endif |
3619 | #endif |
3077 | |
3620 | |
3078 | #ifdef __cplusplus |
3621 | #ifdef __cplusplus |