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 | * |
… | |
… | |
39 | |
39 | |
40 | #ifdef __cplusplus |
40 | #ifdef __cplusplus |
41 | extern "C" { |
41 | extern "C" { |
42 | #endif |
42 | #endif |
43 | |
43 | |
|
|
44 | /* this big block deduces configuration from config.h */ |
44 | #ifndef EV_STANDALONE |
45 | #ifndef EV_STANDALONE |
45 | # ifdef EV_CONFIG_H |
46 | # ifdef EV_CONFIG_H |
46 | # include EV_CONFIG_H |
47 | # include EV_CONFIG_H |
47 | # else |
48 | # else |
48 | # include "config.h" |
49 | # include "config.h" |
49 | # endif |
50 | # endif |
50 | |
51 | |
|
|
52 | # if HAVE_CLOCK_SYSCALL |
|
|
53 | # ifndef EV_USE_CLOCK_SYSCALL |
|
|
54 | # define EV_USE_CLOCK_SYSCALL 1 |
|
|
55 | # ifndef EV_USE_REALTIME |
|
|
56 | # define EV_USE_REALTIME 0 |
|
|
57 | # endif |
|
|
58 | # ifndef EV_USE_MONOTONIC |
|
|
59 | # define EV_USE_MONOTONIC 1 |
|
|
60 | # endif |
|
|
61 | # endif |
|
|
62 | # elif !defined(EV_USE_CLOCK_SYSCALL) |
|
|
63 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
64 | # endif |
|
|
65 | |
51 | # if HAVE_CLOCK_GETTIME |
66 | # if HAVE_CLOCK_GETTIME |
52 | # ifndef EV_USE_MONOTONIC |
67 | # ifndef EV_USE_MONOTONIC |
53 | # define EV_USE_MONOTONIC 1 |
68 | # define EV_USE_MONOTONIC 1 |
54 | # endif |
69 | # endif |
55 | # ifndef EV_USE_REALTIME |
70 | # ifndef EV_USE_REALTIME |
56 | # define EV_USE_REALTIME 1 |
71 | # define EV_USE_REALTIME 0 |
57 | # endif |
72 | # endif |
58 | # else |
73 | # else |
59 | # ifndef EV_USE_MONOTONIC |
74 | # ifndef EV_USE_MONOTONIC |
60 | # define EV_USE_MONOTONIC 0 |
75 | # define EV_USE_MONOTONIC 0 |
61 | # endif |
76 | # endif |
… | |
… | |
118 | # else |
133 | # else |
119 | # define EV_USE_INOTIFY 0 |
134 | # define EV_USE_INOTIFY 0 |
120 | # endif |
135 | # endif |
121 | # endif |
136 | # endif |
122 | |
137 | |
|
|
138 | # ifndef EV_USE_SIGNALFD |
|
|
139 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
|
|
140 | # define EV_USE_SIGNALFD 1 |
|
|
141 | # else |
|
|
142 | # define EV_USE_SIGNALFD 0 |
|
|
143 | # endif |
|
|
144 | # endif |
|
|
145 | |
|
|
146 | # ifndef EV_USE_EVENTFD |
|
|
147 | # if HAVE_EVENTFD |
|
|
148 | # define EV_USE_EVENTFD 1 |
|
|
149 | # else |
|
|
150 | # define EV_USE_EVENTFD 0 |
|
|
151 | # endif |
|
|
152 | # endif |
|
|
153 | |
123 | #endif |
154 | #endif |
124 | |
155 | |
125 | #include <math.h> |
156 | #include <math.h> |
126 | #include <stdlib.h> |
157 | #include <stdlib.h> |
127 | #include <fcntl.h> |
158 | #include <fcntl.h> |
… | |
… | |
145 | #ifndef _WIN32 |
176 | #ifndef _WIN32 |
146 | # include <sys/time.h> |
177 | # include <sys/time.h> |
147 | # include <sys/wait.h> |
178 | # include <sys/wait.h> |
148 | # include <unistd.h> |
179 | # include <unistd.h> |
149 | #else |
180 | #else |
|
|
181 | # include <io.h> |
150 | # define WIN32_LEAN_AND_MEAN |
182 | # define WIN32_LEAN_AND_MEAN |
151 | # include <windows.h> |
183 | # include <windows.h> |
152 | # ifndef EV_SELECT_IS_WINSOCKET |
184 | # ifndef EV_SELECT_IS_WINSOCKET |
153 | # define EV_SELECT_IS_WINSOCKET 1 |
185 | # define EV_SELECT_IS_WINSOCKET 1 |
154 | # endif |
186 | # endif |
155 | #endif |
187 | #endif |
156 | |
188 | |
157 | /**/ |
189 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
|
|
190 | |
|
|
191 | /* try to deduce the maximum number of signals on this platform */ |
|
|
192 | #if defined (EV_NSIG) |
|
|
193 | /* use what's provided */ |
|
|
194 | #elif defined (NSIG) |
|
|
195 | # define EV_NSIG (NSIG) |
|
|
196 | #elif defined(_NSIG) |
|
|
197 | # define EV_NSIG (_NSIG) |
|
|
198 | #elif defined (SIGMAX) |
|
|
199 | # define EV_NSIG (SIGMAX+1) |
|
|
200 | #elif defined (SIG_MAX) |
|
|
201 | # define EV_NSIG (SIG_MAX+1) |
|
|
202 | #elif defined (_SIG_MAX) |
|
|
203 | # define EV_NSIG (_SIG_MAX+1) |
|
|
204 | #elif defined (MAXSIG) |
|
|
205 | # define EV_NSIG (MAXSIG+1) |
|
|
206 | #elif defined (MAX_SIG) |
|
|
207 | # define EV_NSIG (MAX_SIG+1) |
|
|
208 | #elif defined (SIGARRAYSIZE) |
|
|
209 | # define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ |
|
|
210 | #elif defined (_sys_nsig) |
|
|
211 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
|
|
212 | #else |
|
|
213 | # error "unable to find value for NSIG, please report" |
|
|
214 | /* to make it compile regardless, just remove the above line */ |
|
|
215 | # define EV_NSIG 65 |
|
|
216 | #endif |
|
|
217 | |
|
|
218 | #ifndef EV_USE_CLOCK_SYSCALL |
|
|
219 | # if __linux && __GLIBC__ >= 2 |
|
|
220 | # define EV_USE_CLOCK_SYSCALL 1 |
|
|
221 | # else |
|
|
222 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
223 | # endif |
|
|
224 | #endif |
158 | |
225 | |
159 | #ifndef EV_USE_MONOTONIC |
226 | #ifndef EV_USE_MONOTONIC |
|
|
227 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
|
|
228 | # define EV_USE_MONOTONIC 1 |
|
|
229 | # else |
160 | # define EV_USE_MONOTONIC 0 |
230 | # define EV_USE_MONOTONIC 0 |
|
|
231 | # endif |
161 | #endif |
232 | #endif |
162 | |
233 | |
163 | #ifndef EV_USE_REALTIME |
234 | #ifndef EV_USE_REALTIME |
164 | # define EV_USE_REALTIME 0 |
235 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
165 | #endif |
236 | #endif |
166 | |
237 | |
167 | #ifndef EV_USE_NANOSLEEP |
238 | #ifndef EV_USE_NANOSLEEP |
|
|
239 | # if _POSIX_C_SOURCE >= 199309L |
|
|
240 | # define EV_USE_NANOSLEEP 1 |
|
|
241 | # else |
168 | # define EV_USE_NANOSLEEP 0 |
242 | # define EV_USE_NANOSLEEP 0 |
|
|
243 | # endif |
169 | #endif |
244 | #endif |
170 | |
245 | |
171 | #ifndef EV_USE_SELECT |
246 | #ifndef EV_USE_SELECT |
172 | # define EV_USE_SELECT 1 |
247 | # define EV_USE_SELECT 1 |
173 | #endif |
248 | #endif |
… | |
… | |
179 | # define EV_USE_POLL 1 |
254 | # define EV_USE_POLL 1 |
180 | # endif |
255 | # endif |
181 | #endif |
256 | #endif |
182 | |
257 | |
183 | #ifndef EV_USE_EPOLL |
258 | #ifndef EV_USE_EPOLL |
|
|
259 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
|
|
260 | # define EV_USE_EPOLL 1 |
|
|
261 | # else |
184 | # define EV_USE_EPOLL 0 |
262 | # define EV_USE_EPOLL 0 |
|
|
263 | # endif |
185 | #endif |
264 | #endif |
186 | |
265 | |
187 | #ifndef EV_USE_KQUEUE |
266 | #ifndef EV_USE_KQUEUE |
188 | # define EV_USE_KQUEUE 0 |
267 | # define EV_USE_KQUEUE 0 |
189 | #endif |
268 | #endif |
… | |
… | |
191 | #ifndef EV_USE_PORT |
270 | #ifndef EV_USE_PORT |
192 | # define EV_USE_PORT 0 |
271 | # define EV_USE_PORT 0 |
193 | #endif |
272 | #endif |
194 | |
273 | |
195 | #ifndef EV_USE_INOTIFY |
274 | #ifndef EV_USE_INOTIFY |
|
|
275 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
|
|
276 | # define EV_USE_INOTIFY 1 |
|
|
277 | # else |
196 | # define EV_USE_INOTIFY 0 |
278 | # define EV_USE_INOTIFY 0 |
|
|
279 | # endif |
197 | #endif |
280 | #endif |
198 | |
281 | |
199 | #ifndef EV_PID_HASHSIZE |
282 | #ifndef EV_PID_HASHSIZE |
200 | # if EV_MINIMAL |
283 | # if EV_MINIMAL |
201 | # define EV_PID_HASHSIZE 1 |
284 | # define EV_PID_HASHSIZE 1 |
… | |
… | |
210 | # else |
293 | # else |
211 | # define EV_INOTIFY_HASHSIZE 16 |
294 | # define EV_INOTIFY_HASHSIZE 16 |
212 | # endif |
295 | # endif |
213 | #endif |
296 | #endif |
214 | |
297 | |
215 | /**/ |
298 | #ifndef EV_USE_EVENTFD |
|
|
299 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
|
|
300 | # define EV_USE_EVENTFD 1 |
|
|
301 | # else |
|
|
302 | # define EV_USE_EVENTFD 0 |
|
|
303 | # endif |
|
|
304 | #endif |
|
|
305 | |
|
|
306 | #ifndef EV_USE_SIGNALFD |
|
|
307 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9)) |
|
|
308 | # define EV_USE_SIGNALFD 1 |
|
|
309 | # else |
|
|
310 | # define EV_USE_SIGNALFD 0 |
|
|
311 | # endif |
|
|
312 | #endif |
|
|
313 | |
|
|
314 | #if 0 /* debugging */ |
|
|
315 | # define EV_VERIFY 3 |
|
|
316 | # define EV_USE_4HEAP 1 |
|
|
317 | # define EV_HEAP_CACHE_AT 1 |
|
|
318 | #endif |
|
|
319 | |
|
|
320 | #ifndef EV_VERIFY |
|
|
321 | # define EV_VERIFY !EV_MINIMAL |
|
|
322 | #endif |
|
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323 | |
|
|
324 | #ifndef EV_USE_4HEAP |
|
|
325 | # define EV_USE_4HEAP !EV_MINIMAL |
|
|
326 | #endif |
|
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327 | |
|
|
328 | #ifndef EV_HEAP_CACHE_AT |
|
|
329 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
|
|
330 | #endif |
|
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331 | |
|
|
332 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
|
|
333 | /* which makes programs even slower. might work on other unices, too. */ |
|
|
334 | #if EV_USE_CLOCK_SYSCALL |
|
|
335 | # include <syscall.h> |
|
|
336 | # ifdef SYS_clock_gettime |
|
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337 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
|
|
338 | # undef EV_USE_MONOTONIC |
|
|
339 | # define EV_USE_MONOTONIC 1 |
|
|
340 | # else |
|
|
341 | # undef EV_USE_CLOCK_SYSCALL |
|
|
342 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
343 | # endif |
|
|
344 | #endif |
|
|
345 | |
|
|
346 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
216 | |
347 | |
217 | #ifndef CLOCK_MONOTONIC |
348 | #ifndef CLOCK_MONOTONIC |
218 | # undef EV_USE_MONOTONIC |
349 | # undef EV_USE_MONOTONIC |
219 | # define EV_USE_MONOTONIC 0 |
350 | # define EV_USE_MONOTONIC 0 |
220 | #endif |
351 | #endif |
… | |
… | |
234 | # include <sys/select.h> |
365 | # include <sys/select.h> |
235 | # endif |
366 | # endif |
236 | #endif |
367 | #endif |
237 | |
368 | |
238 | #if EV_USE_INOTIFY |
369 | #if EV_USE_INOTIFY |
|
|
370 | # include <sys/utsname.h> |
|
|
371 | # include <sys/statfs.h> |
239 | # include <sys/inotify.h> |
372 | # include <sys/inotify.h> |
|
|
373 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
|
|
374 | # ifndef IN_DONT_FOLLOW |
|
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375 | # undef EV_USE_INOTIFY |
|
|
376 | # define EV_USE_INOTIFY 0 |
|
|
377 | # endif |
240 | #endif |
378 | #endif |
241 | |
379 | |
242 | #if EV_SELECT_IS_WINSOCKET |
380 | #if EV_SELECT_IS_WINSOCKET |
243 | # include <winsock.h> |
381 | # include <winsock.h> |
244 | #endif |
382 | #endif |
245 | |
383 | |
|
|
384 | #if EV_USE_EVENTFD |
|
|
385 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
386 | # include <stdint.h> |
|
|
387 | # ifndef EFD_NONBLOCK |
|
|
388 | # define EFD_NONBLOCK O_NONBLOCK |
|
|
389 | # endif |
|
|
390 | # ifndef EFD_CLOEXEC |
|
|
391 | # define EFD_CLOEXEC O_CLOEXEC |
|
|
392 | # endif |
|
|
393 | # ifdef __cplusplus |
|
|
394 | extern "C" { |
|
|
395 | # endif |
|
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396 | int eventfd (unsigned int initval, int flags); |
|
|
397 | # ifdef __cplusplus |
|
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398 | } |
|
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399 | # endif |
|
|
400 | #endif |
|
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401 | |
|
|
402 | #if EV_USE_SIGNALFD |
|
|
403 | # include <sys/signalfd.h> |
|
|
404 | #endif |
|
|
405 | |
246 | /**/ |
406 | /**/ |
|
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407 | |
|
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408 | #if EV_VERIFY >= 3 |
|
|
409 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
|
|
410 | #else |
|
|
411 | # define EV_FREQUENT_CHECK do { } while (0) |
|
|
412 | #endif |
247 | |
413 | |
248 | /* |
414 | /* |
249 | * This is used to avoid floating point rounding problems. |
415 | * This is used to avoid floating point rounding problems. |
250 | * It is added to ev_rt_now when scheduling periodics |
416 | * It is added to ev_rt_now when scheduling periodics |
251 | * to ensure progress, time-wise, even when rounding |
417 | * to ensure progress, time-wise, even when rounding |
… | |
… | |
263 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
429 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
264 | # define noinline __attribute__ ((noinline)) |
430 | # define noinline __attribute__ ((noinline)) |
265 | #else |
431 | #else |
266 | # define expect(expr,value) (expr) |
432 | # define expect(expr,value) (expr) |
267 | # define noinline |
433 | # define noinline |
268 | # if __STDC_VERSION__ < 199901L |
434 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
269 | # define inline |
435 | # define inline |
270 | # endif |
436 | # endif |
271 | #endif |
437 | #endif |
272 | |
438 | |
273 | #define expect_false(expr) expect ((expr) != 0, 0) |
439 | #define expect_false(expr) expect ((expr) != 0, 0) |
… | |
… | |
278 | # define inline_speed static noinline |
444 | # define inline_speed static noinline |
279 | #else |
445 | #else |
280 | # define inline_speed static inline |
446 | # define inline_speed static inline |
281 | #endif |
447 | #endif |
282 | |
448 | |
283 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
449 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
|
|
450 | |
|
|
451 | #if EV_MINPRI == EV_MAXPRI |
|
|
452 | # define ABSPRI(w) (((W)w), 0) |
|
|
453 | #else |
284 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
454 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
|
|
455 | #endif |
285 | |
456 | |
286 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
457 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
287 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
458 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
288 | |
459 | |
289 | typedef ev_watcher *W; |
460 | typedef ev_watcher *W; |
290 | typedef ev_watcher_list *WL; |
461 | typedef ev_watcher_list *WL; |
291 | typedef ev_watcher_time *WT; |
462 | typedef ev_watcher_time *WT; |
292 | |
463 | |
293 | #if EV_USE_MONOTONIC |
464 | #define ev_active(w) ((W)(w))->active |
|
|
465 | #define ev_at(w) ((WT)(w))->at |
|
|
466 | |
|
|
467 | #if EV_USE_REALTIME |
294 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
468 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
295 | /* giving it a reasonably high chance of working on typical architetcures */ |
469 | /* giving it a reasonably high chance of working on typical architetcures */ |
|
|
470 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
|
|
471 | #endif |
|
|
472 | |
|
|
473 | #if EV_USE_MONOTONIC |
296 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
474 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
297 | #endif |
475 | #endif |
298 | |
476 | |
299 | #ifdef _WIN32 |
477 | #ifdef _WIN32 |
300 | # include "ev_win32.c" |
478 | # include "ev_win32.c" |
… | |
… | |
309 | { |
487 | { |
310 | syserr_cb = cb; |
488 | syserr_cb = cb; |
311 | } |
489 | } |
312 | |
490 | |
313 | static void noinline |
491 | static void noinline |
314 | syserr (const char *msg) |
492 | ev_syserr (const char *msg) |
315 | { |
493 | { |
316 | if (!msg) |
494 | if (!msg) |
317 | msg = "(libev) system error"; |
495 | msg = "(libev) system error"; |
318 | |
496 | |
319 | if (syserr_cb) |
497 | if (syserr_cb) |
… | |
… | |
323 | perror (msg); |
501 | perror (msg); |
324 | abort (); |
502 | abort (); |
325 | } |
503 | } |
326 | } |
504 | } |
327 | |
505 | |
|
|
506 | static void * |
|
|
507 | ev_realloc_emul (void *ptr, long size) |
|
|
508 | { |
|
|
509 | /* some systems, notably openbsd and darwin, fail to properly |
|
|
510 | * implement realloc (x, 0) (as required by both ansi c-98 and |
|
|
511 | * the single unix specification, so work around them here. |
|
|
512 | */ |
|
|
513 | |
|
|
514 | if (size) |
|
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515 | return realloc (ptr, size); |
|
|
516 | |
|
|
517 | free (ptr); |
|
|
518 | return 0; |
|
|
519 | } |
|
|
520 | |
328 | static void *(*alloc)(void *ptr, long size); |
521 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
329 | |
522 | |
330 | void |
523 | void |
331 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
524 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
332 | { |
525 | { |
333 | alloc = cb; |
526 | alloc = cb; |
334 | } |
527 | } |
335 | |
528 | |
336 | inline_speed void * |
529 | inline_speed void * |
337 | ev_realloc (void *ptr, long size) |
530 | ev_realloc (void *ptr, long size) |
338 | { |
531 | { |
339 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
532 | ptr = alloc (ptr, size); |
340 | |
533 | |
341 | if (!ptr && size) |
534 | if (!ptr && size) |
342 | { |
535 | { |
343 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
536 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
344 | abort (); |
537 | abort (); |
… | |
… | |
350 | #define ev_malloc(size) ev_realloc (0, (size)) |
543 | #define ev_malloc(size) ev_realloc (0, (size)) |
351 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
544 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
352 | |
545 | |
353 | /*****************************************************************************/ |
546 | /*****************************************************************************/ |
354 | |
547 | |
|
|
548 | /* set in reify when reification needed */ |
|
|
549 | #define EV_ANFD_REIFY 1 |
|
|
550 | |
|
|
551 | /* file descriptor info structure */ |
355 | typedef struct |
552 | typedef struct |
356 | { |
553 | { |
357 | WL head; |
554 | WL head; |
358 | unsigned char events; |
555 | unsigned char events; /* the events watched for */ |
|
|
556 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
|
|
557 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
359 | unsigned char reify; |
558 | unsigned char unused; |
|
|
559 | #if EV_USE_EPOLL |
|
|
560 | unsigned int egen; /* generation counter to counter epoll bugs */ |
|
|
561 | #endif |
360 | #if EV_SELECT_IS_WINSOCKET |
562 | #if EV_SELECT_IS_WINSOCKET |
361 | SOCKET handle; |
563 | SOCKET handle; |
362 | #endif |
564 | #endif |
363 | } ANFD; |
565 | } ANFD; |
364 | |
566 | |
|
|
567 | /* stores the pending event set for a given watcher */ |
365 | typedef struct |
568 | typedef struct |
366 | { |
569 | { |
367 | W w; |
570 | W w; |
368 | int events; |
571 | int events; /* the pending event set for the given watcher */ |
369 | } ANPENDING; |
572 | } ANPENDING; |
370 | |
573 | |
371 | #if EV_USE_INOTIFY |
574 | #if EV_USE_INOTIFY |
|
|
575 | /* hash table entry per inotify-id */ |
372 | typedef struct |
576 | typedef struct |
373 | { |
577 | { |
374 | WL head; |
578 | WL head; |
375 | } ANFS; |
579 | } ANFS; |
|
|
580 | #endif |
|
|
581 | |
|
|
582 | /* Heap Entry */ |
|
|
583 | #if EV_HEAP_CACHE_AT |
|
|
584 | /* a heap element */ |
|
|
585 | typedef struct { |
|
|
586 | ev_tstamp at; |
|
|
587 | WT w; |
|
|
588 | } ANHE; |
|
|
589 | |
|
|
590 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
|
|
591 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
|
|
592 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
|
|
593 | #else |
|
|
594 | /* a heap element */ |
|
|
595 | typedef WT ANHE; |
|
|
596 | |
|
|
597 | #define ANHE_w(he) (he) |
|
|
598 | #define ANHE_at(he) (he)->at |
|
|
599 | #define ANHE_at_cache(he) |
376 | #endif |
600 | #endif |
377 | |
601 | |
378 | #if EV_MULTIPLICITY |
602 | #if EV_MULTIPLICITY |
379 | |
603 | |
380 | struct ev_loop |
604 | struct ev_loop |
… | |
… | |
399 | |
623 | |
400 | static int ev_default_loop_ptr; |
624 | static int ev_default_loop_ptr; |
401 | |
625 | |
402 | #endif |
626 | #endif |
403 | |
627 | |
|
|
628 | #if EV_MINIMAL < 2 |
|
|
629 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
|
|
630 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
|
|
631 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
|
|
632 | #else |
|
|
633 | # define EV_RELEASE_CB (void)0 |
|
|
634 | # define EV_ACQUIRE_CB (void)0 |
|
|
635 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
|
|
636 | #endif |
|
|
637 | |
|
|
638 | #define EVUNLOOP_RECURSE 0x80 |
|
|
639 | |
404 | /*****************************************************************************/ |
640 | /*****************************************************************************/ |
405 | |
641 | |
|
|
642 | #ifndef EV_HAVE_EV_TIME |
406 | ev_tstamp |
643 | ev_tstamp |
407 | ev_time (void) |
644 | ev_time (void) |
408 | { |
645 | { |
409 | #if EV_USE_REALTIME |
646 | #if EV_USE_REALTIME |
|
|
647 | if (expect_true (have_realtime)) |
|
|
648 | { |
410 | struct timespec ts; |
649 | struct timespec ts; |
411 | clock_gettime (CLOCK_REALTIME, &ts); |
650 | clock_gettime (CLOCK_REALTIME, &ts); |
412 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
651 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
413 | #else |
652 | } |
|
|
653 | #endif |
|
|
654 | |
414 | struct timeval tv; |
655 | struct timeval tv; |
415 | gettimeofday (&tv, 0); |
656 | gettimeofday (&tv, 0); |
416 | return tv.tv_sec + tv.tv_usec * 1e-6; |
657 | return tv.tv_sec + tv.tv_usec * 1e-6; |
417 | #endif |
|
|
418 | } |
658 | } |
|
|
659 | #endif |
419 | |
660 | |
420 | ev_tstamp inline_size |
661 | inline_size ev_tstamp |
421 | get_clock (void) |
662 | get_clock (void) |
422 | { |
663 | { |
423 | #if EV_USE_MONOTONIC |
664 | #if EV_USE_MONOTONIC |
424 | if (expect_true (have_monotonic)) |
665 | if (expect_true (have_monotonic)) |
425 | { |
666 | { |
… | |
… | |
451 | ts.tv_sec = (time_t)delay; |
692 | ts.tv_sec = (time_t)delay; |
452 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
693 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
453 | |
694 | |
454 | nanosleep (&ts, 0); |
695 | nanosleep (&ts, 0); |
455 | #elif defined(_WIN32) |
696 | #elif defined(_WIN32) |
456 | Sleep (delay * 1e3); |
697 | Sleep ((unsigned long)(delay * 1e3)); |
457 | #else |
698 | #else |
458 | struct timeval tv; |
699 | struct timeval tv; |
459 | |
700 | |
460 | tv.tv_sec = (time_t)delay; |
701 | tv.tv_sec = (time_t)delay; |
461 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
702 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
462 | |
703 | |
|
|
704 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
|
|
705 | /* something not guaranteed by newer posix versions, but guaranteed */ |
|
|
706 | /* by older ones */ |
463 | select (0, 0, 0, 0, &tv); |
707 | select (0, 0, 0, 0, &tv); |
464 | #endif |
708 | #endif |
465 | } |
709 | } |
466 | } |
710 | } |
467 | |
711 | |
468 | /*****************************************************************************/ |
712 | /*****************************************************************************/ |
469 | |
713 | |
470 | int inline_size |
714 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
|
|
715 | |
|
|
716 | /* find a suitable new size for the given array, */ |
|
|
717 | /* hopefully by rounding to a ncie-to-malloc size */ |
|
|
718 | inline_size int |
471 | array_nextsize (int elem, int cur, int cnt) |
719 | array_nextsize (int elem, int cur, int cnt) |
472 | { |
720 | { |
473 | int ncur = cur + 1; |
721 | int ncur = cur + 1; |
474 | |
722 | |
475 | do |
723 | do |
476 | ncur <<= 1; |
724 | ncur <<= 1; |
477 | while (cnt > ncur); |
725 | while (cnt > ncur); |
478 | |
726 | |
479 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
727 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
480 | if (elem * ncur > 4096) |
728 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
481 | { |
729 | { |
482 | ncur *= elem; |
730 | ncur *= elem; |
483 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
731 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
484 | ncur = ncur - sizeof (void *) * 4; |
732 | ncur = ncur - sizeof (void *) * 4; |
485 | ncur /= elem; |
733 | ncur /= elem; |
486 | } |
734 | } |
487 | |
735 | |
488 | return ncur; |
736 | return ncur; |
… | |
… | |
492 | array_realloc (int elem, void *base, int *cur, int cnt) |
740 | array_realloc (int elem, void *base, int *cur, int cnt) |
493 | { |
741 | { |
494 | *cur = array_nextsize (elem, *cur, cnt); |
742 | *cur = array_nextsize (elem, *cur, cnt); |
495 | return ev_realloc (base, elem * *cur); |
743 | return ev_realloc (base, elem * *cur); |
496 | } |
744 | } |
|
|
745 | |
|
|
746 | #define array_init_zero(base,count) \ |
|
|
747 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
497 | |
748 | |
498 | #define array_needsize(type,base,cur,cnt,init) \ |
749 | #define array_needsize(type,base,cur,cnt,init) \ |
499 | if (expect_false ((cnt) > (cur))) \ |
750 | if (expect_false ((cnt) > (cur))) \ |
500 | { \ |
751 | { \ |
501 | int ocur_ = (cur); \ |
752 | int ocur_ = (cur); \ |
… | |
… | |
513 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
764 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
514 | } |
765 | } |
515 | #endif |
766 | #endif |
516 | |
767 | |
517 | #define array_free(stem, idx) \ |
768 | #define array_free(stem, idx) \ |
518 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
769 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
519 | |
770 | |
520 | /*****************************************************************************/ |
771 | /*****************************************************************************/ |
|
|
772 | |
|
|
773 | /* dummy callback for pending events */ |
|
|
774 | static void noinline |
|
|
775 | pendingcb (EV_P_ ev_prepare *w, int revents) |
|
|
776 | { |
|
|
777 | } |
521 | |
778 | |
522 | void noinline |
779 | void noinline |
523 | ev_feed_event (EV_P_ void *w, int revents) |
780 | ev_feed_event (EV_P_ void *w, int revents) |
524 | { |
781 | { |
525 | W w_ = (W)w; |
782 | W w_ = (W)w; |
… | |
… | |
534 | pendings [pri][w_->pending - 1].w = w_; |
791 | pendings [pri][w_->pending - 1].w = w_; |
535 | pendings [pri][w_->pending - 1].events = revents; |
792 | pendings [pri][w_->pending - 1].events = revents; |
536 | } |
793 | } |
537 | } |
794 | } |
538 | |
795 | |
539 | void inline_speed |
796 | inline_speed void |
|
|
797 | feed_reverse (EV_P_ W w) |
|
|
798 | { |
|
|
799 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
|
|
800 | rfeeds [rfeedcnt++] = w; |
|
|
801 | } |
|
|
802 | |
|
|
803 | inline_size void |
|
|
804 | feed_reverse_done (EV_P_ int revents) |
|
|
805 | { |
|
|
806 | do |
|
|
807 | ev_feed_event (EV_A_ rfeeds [--rfeedcnt], revents); |
|
|
808 | while (rfeedcnt); |
|
|
809 | } |
|
|
810 | |
|
|
811 | inline_speed void |
540 | queue_events (EV_P_ W *events, int eventcnt, int type) |
812 | queue_events (EV_P_ W *events, int eventcnt, int type) |
541 | { |
813 | { |
542 | int i; |
814 | int i; |
543 | |
815 | |
544 | for (i = 0; i < eventcnt; ++i) |
816 | for (i = 0; i < eventcnt; ++i) |
545 | ev_feed_event (EV_A_ events [i], type); |
817 | ev_feed_event (EV_A_ events [i], type); |
546 | } |
818 | } |
547 | |
819 | |
548 | /*****************************************************************************/ |
820 | /*****************************************************************************/ |
549 | |
821 | |
550 | void inline_size |
822 | inline_speed void |
551 | anfds_init (ANFD *base, int count) |
|
|
552 | { |
|
|
553 | while (count--) |
|
|
554 | { |
|
|
555 | base->head = 0; |
|
|
556 | base->events = EV_NONE; |
|
|
557 | base->reify = 0; |
|
|
558 | |
|
|
559 | ++base; |
|
|
560 | } |
|
|
561 | } |
|
|
562 | |
|
|
563 | void inline_speed |
|
|
564 | fd_event (EV_P_ int fd, int revents) |
823 | fd_event_nc (EV_P_ int fd, int revents) |
565 | { |
824 | { |
566 | ANFD *anfd = anfds + fd; |
825 | ANFD *anfd = anfds + fd; |
567 | ev_io *w; |
826 | ev_io *w; |
568 | |
827 | |
569 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
828 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
573 | if (ev) |
832 | if (ev) |
574 | ev_feed_event (EV_A_ (W)w, ev); |
833 | ev_feed_event (EV_A_ (W)w, ev); |
575 | } |
834 | } |
576 | } |
835 | } |
577 | |
836 | |
|
|
837 | /* do not submit kernel events for fds that have reify set */ |
|
|
838 | /* because that means they changed while we were polling for new events */ |
|
|
839 | inline_speed void |
|
|
840 | fd_event (EV_P_ int fd, int revents) |
|
|
841 | { |
|
|
842 | ANFD *anfd = anfds + fd; |
|
|
843 | |
|
|
844 | if (expect_true (!anfd->reify)) |
|
|
845 | fd_event_nc (EV_A_ fd, revents); |
|
|
846 | } |
|
|
847 | |
578 | void |
848 | void |
579 | ev_feed_fd_event (EV_P_ int fd, int revents) |
849 | ev_feed_fd_event (EV_P_ int fd, int revents) |
580 | { |
850 | { |
581 | if (fd >= 0 && fd < anfdmax) |
851 | if (fd >= 0 && fd < anfdmax) |
582 | fd_event (EV_A_ fd, revents); |
852 | fd_event_nc (EV_A_ fd, revents); |
583 | } |
853 | } |
584 | |
854 | |
585 | void inline_size |
855 | /* make sure the external fd watch events are in-sync */ |
|
|
856 | /* with the kernel/libev internal state */ |
|
|
857 | inline_size void |
586 | fd_reify (EV_P) |
858 | fd_reify (EV_P) |
587 | { |
859 | { |
588 | int i; |
860 | int i; |
589 | |
861 | |
590 | for (i = 0; i < fdchangecnt; ++i) |
862 | for (i = 0; i < fdchangecnt; ++i) |
… | |
… | |
599 | events |= (unsigned char)w->events; |
871 | events |= (unsigned char)w->events; |
600 | |
872 | |
601 | #if EV_SELECT_IS_WINSOCKET |
873 | #if EV_SELECT_IS_WINSOCKET |
602 | if (events) |
874 | if (events) |
603 | { |
875 | { |
604 | unsigned long argp; |
876 | unsigned long arg; |
605 | #ifdef EV_FD_TO_WIN32_HANDLE |
877 | #ifdef EV_FD_TO_WIN32_HANDLE |
606 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
878 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
607 | #else |
879 | #else |
608 | anfd->handle = _get_osfhandle (fd); |
880 | anfd->handle = _get_osfhandle (fd); |
609 | #endif |
881 | #endif |
610 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
882 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
611 | } |
883 | } |
612 | #endif |
884 | #endif |
613 | |
885 | |
614 | { |
886 | { |
615 | unsigned char o_events = anfd->events; |
887 | unsigned char o_events = anfd->events; |
616 | unsigned char o_reify = anfd->reify; |
888 | unsigned char o_reify = anfd->reify; |
617 | |
889 | |
618 | anfd->reify = 0; |
890 | anfd->reify = 0; |
619 | anfd->events = events; |
891 | anfd->events = events; |
620 | |
892 | |
621 | if (o_events != events || o_reify & EV_IOFDSET) |
893 | if (o_events != events || o_reify & EV__IOFDSET) |
622 | backend_modify (EV_A_ fd, o_events, events); |
894 | backend_modify (EV_A_ fd, o_events, events); |
623 | } |
895 | } |
624 | } |
896 | } |
625 | |
897 | |
626 | fdchangecnt = 0; |
898 | fdchangecnt = 0; |
627 | } |
899 | } |
628 | |
900 | |
629 | void inline_size |
901 | /* something about the given fd changed */ |
|
|
902 | inline_size void |
630 | fd_change (EV_P_ int fd, int flags) |
903 | fd_change (EV_P_ int fd, int flags) |
631 | { |
904 | { |
632 | unsigned char reify = anfds [fd].reify; |
905 | unsigned char reify = anfds [fd].reify; |
633 | anfds [fd].reify |= flags; |
906 | anfds [fd].reify |= flags; |
634 | |
907 | |
… | |
… | |
638 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
911 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
639 | fdchanges [fdchangecnt - 1] = fd; |
912 | fdchanges [fdchangecnt - 1] = fd; |
640 | } |
913 | } |
641 | } |
914 | } |
642 | |
915 | |
643 | void inline_speed |
916 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
|
|
917 | inline_speed void |
644 | fd_kill (EV_P_ int fd) |
918 | fd_kill (EV_P_ int fd) |
645 | { |
919 | { |
646 | ev_io *w; |
920 | ev_io *w; |
647 | |
921 | |
648 | while ((w = (ev_io *)anfds [fd].head)) |
922 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
650 | ev_io_stop (EV_A_ w); |
924 | ev_io_stop (EV_A_ w); |
651 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
925 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
652 | } |
926 | } |
653 | } |
927 | } |
654 | |
928 | |
655 | int inline_size |
929 | /* check whether the given fd is atcually valid, for error recovery */ |
|
|
930 | inline_size int |
656 | fd_valid (int fd) |
931 | fd_valid (int fd) |
657 | { |
932 | { |
658 | #ifdef _WIN32 |
933 | #ifdef _WIN32 |
659 | return _get_osfhandle (fd) != -1; |
934 | return _get_osfhandle (fd) != -1; |
660 | #else |
935 | #else |
… | |
… | |
668 | { |
943 | { |
669 | int fd; |
944 | int fd; |
670 | |
945 | |
671 | for (fd = 0; fd < anfdmax; ++fd) |
946 | for (fd = 0; fd < anfdmax; ++fd) |
672 | if (anfds [fd].events) |
947 | if (anfds [fd].events) |
673 | if (!fd_valid (fd) == -1 && errno == EBADF) |
948 | if (!fd_valid (fd) && errno == EBADF) |
674 | fd_kill (EV_A_ fd); |
949 | fd_kill (EV_A_ fd); |
675 | } |
950 | } |
676 | |
951 | |
677 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
952 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
678 | static void noinline |
953 | static void noinline |
… | |
… | |
682 | |
957 | |
683 | for (fd = anfdmax; fd--; ) |
958 | for (fd = anfdmax; fd--; ) |
684 | if (anfds [fd].events) |
959 | if (anfds [fd].events) |
685 | { |
960 | { |
686 | fd_kill (EV_A_ fd); |
961 | fd_kill (EV_A_ fd); |
687 | return; |
962 | break; |
688 | } |
963 | } |
689 | } |
964 | } |
690 | |
965 | |
691 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
966 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
692 | static void noinline |
967 | static void noinline |
… | |
… | |
696 | |
971 | |
697 | for (fd = 0; fd < anfdmax; ++fd) |
972 | for (fd = 0; fd < anfdmax; ++fd) |
698 | if (anfds [fd].events) |
973 | if (anfds [fd].events) |
699 | { |
974 | { |
700 | anfds [fd].events = 0; |
975 | anfds [fd].events = 0; |
|
|
976 | anfds [fd].emask = 0; |
701 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
977 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
702 | } |
978 | } |
703 | } |
979 | } |
704 | |
980 | |
705 | /*****************************************************************************/ |
981 | /*****************************************************************************/ |
706 | |
982 | |
707 | void inline_speed |
983 | /* |
708 | upheap (WT *heap, int k) |
984 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
709 | { |
985 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
710 | WT w = heap [k]; |
986 | * the branching factor of the d-tree. |
|
|
987 | */ |
711 | |
988 | |
712 | while (k) |
989 | /* |
713 | { |
990 | * at the moment we allow libev the luxury of two heaps, |
714 | int p = (k - 1) >> 1; |
991 | * a small-code-size 2-heap one and a ~1.5kb larger 4-heap |
|
|
992 | * which is more cache-efficient. |
|
|
993 | * the difference is about 5% with 50000+ watchers. |
|
|
994 | */ |
|
|
995 | #if EV_USE_4HEAP |
715 | |
996 | |
716 | if (heap [p]->at <= w->at) |
997 | #define DHEAP 4 |
|
|
998 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
|
|
999 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
|
|
1000 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
|
|
1001 | |
|
|
1002 | /* away from the root */ |
|
|
1003 | inline_speed void |
|
|
1004 | downheap (ANHE *heap, int N, int k) |
|
|
1005 | { |
|
|
1006 | ANHE he = heap [k]; |
|
|
1007 | ANHE *E = heap + N + HEAP0; |
|
|
1008 | |
|
|
1009 | for (;;) |
|
|
1010 | { |
|
|
1011 | ev_tstamp minat; |
|
|
1012 | ANHE *minpos; |
|
|
1013 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
|
|
1014 | |
|
|
1015 | /* find minimum child */ |
|
|
1016 | if (expect_true (pos + DHEAP - 1 < E)) |
|
|
1017 | { |
|
|
1018 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
1019 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
1020 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
1021 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
1022 | } |
|
|
1023 | else if (pos < E) |
|
|
1024 | { |
|
|
1025 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
1026 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
1027 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
1028 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
1029 | } |
|
|
1030 | else |
717 | break; |
1031 | break; |
718 | |
1032 | |
|
|
1033 | if (ANHE_at (he) <= minat) |
|
|
1034 | break; |
|
|
1035 | |
|
|
1036 | heap [k] = *minpos; |
|
|
1037 | ev_active (ANHE_w (*minpos)) = k; |
|
|
1038 | |
|
|
1039 | k = minpos - heap; |
|
|
1040 | } |
|
|
1041 | |
|
|
1042 | heap [k] = he; |
|
|
1043 | ev_active (ANHE_w (he)) = k; |
|
|
1044 | } |
|
|
1045 | |
|
|
1046 | #else /* 4HEAP */ |
|
|
1047 | |
|
|
1048 | #define HEAP0 1 |
|
|
1049 | #define HPARENT(k) ((k) >> 1) |
|
|
1050 | #define UPHEAP_DONE(p,k) (!(p)) |
|
|
1051 | |
|
|
1052 | /* away from the root */ |
|
|
1053 | inline_speed void |
|
|
1054 | downheap (ANHE *heap, int N, int k) |
|
|
1055 | { |
|
|
1056 | ANHE he = heap [k]; |
|
|
1057 | |
|
|
1058 | for (;;) |
|
|
1059 | { |
|
|
1060 | int c = k << 1; |
|
|
1061 | |
|
|
1062 | if (c > N + HEAP0 - 1) |
|
|
1063 | break; |
|
|
1064 | |
|
|
1065 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
|
|
1066 | ? 1 : 0; |
|
|
1067 | |
|
|
1068 | if (ANHE_at (he) <= ANHE_at (heap [c])) |
|
|
1069 | break; |
|
|
1070 | |
|
|
1071 | heap [k] = heap [c]; |
|
|
1072 | ev_active (ANHE_w (heap [k])) = k; |
|
|
1073 | |
|
|
1074 | k = c; |
|
|
1075 | } |
|
|
1076 | |
|
|
1077 | heap [k] = he; |
|
|
1078 | ev_active (ANHE_w (he)) = k; |
|
|
1079 | } |
|
|
1080 | #endif |
|
|
1081 | |
|
|
1082 | /* towards the root */ |
|
|
1083 | inline_speed void |
|
|
1084 | upheap (ANHE *heap, int k) |
|
|
1085 | { |
|
|
1086 | ANHE he = heap [k]; |
|
|
1087 | |
|
|
1088 | for (;;) |
|
|
1089 | { |
|
|
1090 | int p = HPARENT (k); |
|
|
1091 | |
|
|
1092 | if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he)) |
|
|
1093 | break; |
|
|
1094 | |
719 | heap [k] = heap [p]; |
1095 | heap [k] = heap [p]; |
720 | ((W)heap [k])->active = k + 1; |
1096 | ev_active (ANHE_w (heap [k])) = k; |
721 | k = p; |
1097 | k = p; |
722 | } |
1098 | } |
723 | |
1099 | |
724 | heap [k] = w; |
1100 | heap [k] = he; |
725 | ((W)heap [k])->active = k + 1; |
1101 | ev_active (ANHE_w (he)) = k; |
726 | } |
1102 | } |
727 | |
1103 | |
728 | void inline_speed |
1104 | /* move an element suitably so it is in a correct place */ |
729 | downheap (WT *heap, int N, int k) |
1105 | inline_size void |
730 | { |
|
|
731 | WT w = heap [k]; |
|
|
732 | |
|
|
733 | for (;;) |
|
|
734 | { |
|
|
735 | int c = (k << 1) + 1; |
|
|
736 | |
|
|
737 | if (c >= N) |
|
|
738 | break; |
|
|
739 | |
|
|
740 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
741 | ? 1 : 0; |
|
|
742 | |
|
|
743 | if (w->at <= heap [c]->at) |
|
|
744 | break; |
|
|
745 | |
|
|
746 | heap [k] = heap [c]; |
|
|
747 | ((W)heap [k])->active = k + 1; |
|
|
748 | |
|
|
749 | k = c; |
|
|
750 | } |
|
|
751 | |
|
|
752 | heap [k] = w; |
|
|
753 | ((W)heap [k])->active = k + 1; |
|
|
754 | } |
|
|
755 | |
|
|
756 | void inline_size |
|
|
757 | adjustheap (WT *heap, int N, int k) |
1106 | adjustheap (ANHE *heap, int N, int k) |
758 | { |
1107 | { |
|
|
1108 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
759 | upheap (heap, k); |
1109 | upheap (heap, k); |
|
|
1110 | else |
760 | downheap (heap, N, k); |
1111 | downheap (heap, N, k); |
|
|
1112 | } |
|
|
1113 | |
|
|
1114 | /* rebuild the heap: this function is used only once and executed rarely */ |
|
|
1115 | inline_size void |
|
|
1116 | reheap (ANHE *heap, int N) |
|
|
1117 | { |
|
|
1118 | int i; |
|
|
1119 | |
|
|
1120 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
|
|
1121 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
|
|
1122 | for (i = 0; i < N; ++i) |
|
|
1123 | upheap (heap, i + HEAP0); |
761 | } |
1124 | } |
762 | |
1125 | |
763 | /*****************************************************************************/ |
1126 | /*****************************************************************************/ |
764 | |
1127 | |
|
|
1128 | /* associate signal watchers to a signal signal */ |
765 | typedef struct |
1129 | typedef struct |
766 | { |
1130 | { |
|
|
1131 | EV_ATOMIC_T pending; |
|
|
1132 | #if EV_MULTIPLICITY |
|
|
1133 | EV_P; |
|
|
1134 | #endif |
767 | WL head; |
1135 | WL head; |
768 | EV_ATOMIC_T gotsig; |
|
|
769 | } ANSIG; |
1136 | } ANSIG; |
770 | |
1137 | |
771 | static ANSIG *signals; |
1138 | static ANSIG signals [EV_NSIG - 1]; |
772 | static int signalmax; |
|
|
773 | |
|
|
774 | static EV_ATOMIC_T gotsig; |
|
|
775 | |
|
|
776 | void inline_size |
|
|
777 | signals_init (ANSIG *base, int count) |
|
|
778 | { |
|
|
779 | while (count--) |
|
|
780 | { |
|
|
781 | base->head = 0; |
|
|
782 | base->gotsig = 0; |
|
|
783 | |
|
|
784 | ++base; |
|
|
785 | } |
|
|
786 | } |
|
|
787 | |
1139 | |
788 | /*****************************************************************************/ |
1140 | /*****************************************************************************/ |
789 | |
1141 | |
790 | void inline_speed |
1142 | /* used to prepare libev internal fd's */ |
|
|
1143 | /* this is not fork-safe */ |
|
|
1144 | inline_speed void |
791 | fd_intern (int fd) |
1145 | fd_intern (int fd) |
792 | { |
1146 | { |
793 | #ifdef _WIN32 |
1147 | #ifdef _WIN32 |
794 | int arg = 1; |
1148 | unsigned long arg = 1; |
795 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
1149 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
796 | #else |
1150 | #else |
797 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
1151 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
798 | fcntl (fd, F_SETFL, O_NONBLOCK); |
1152 | fcntl (fd, F_SETFL, O_NONBLOCK); |
799 | #endif |
1153 | #endif |
800 | } |
1154 | } |
801 | |
1155 | |
802 | static void noinline |
1156 | static void noinline |
803 | evpipe_init (EV_P) |
1157 | evpipe_init (EV_P) |
804 | { |
1158 | { |
805 | if (!ev_is_active (&pipeev)) |
1159 | if (!ev_is_active (&pipe_w)) |
806 | { |
1160 | { |
|
|
1161 | #if EV_USE_EVENTFD |
|
|
1162 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
|
|
1163 | if (evfd < 0 && errno == EINVAL) |
|
|
1164 | evfd = eventfd (0, 0); |
|
|
1165 | |
|
|
1166 | if (evfd >= 0) |
|
|
1167 | { |
|
|
1168 | evpipe [0] = -1; |
|
|
1169 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
|
|
1170 | ev_io_set (&pipe_w, evfd, EV_READ); |
|
|
1171 | } |
|
|
1172 | else |
|
|
1173 | #endif |
|
|
1174 | { |
807 | while (pipe (evpipe)) |
1175 | while (pipe (evpipe)) |
808 | syserr ("(libev) error creating signal/async pipe"); |
1176 | ev_syserr ("(libev) error creating signal/async pipe"); |
809 | |
1177 | |
810 | fd_intern (evpipe [0]); |
1178 | fd_intern (evpipe [0]); |
811 | fd_intern (evpipe [1]); |
1179 | fd_intern (evpipe [1]); |
812 | |
|
|
813 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1180 | ev_io_set (&pipe_w, evpipe [0], EV_READ); |
|
|
1181 | } |
|
|
1182 | |
814 | ev_io_start (EV_A_ &pipeev); |
1183 | ev_io_start (EV_A_ &pipe_w); |
815 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1184 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
816 | } |
1185 | } |
817 | } |
1186 | } |
818 | |
1187 | |
819 | void inline_size |
1188 | inline_size void |
820 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1189 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
821 | { |
1190 | { |
822 | if (!*flag) |
1191 | if (!*flag) |
823 | { |
1192 | { |
824 | int old_errno = errno; /* save errno because write might clobber it */ |
1193 | int old_errno = errno; /* save errno because write might clobber it */ |
825 | |
1194 | |
826 | *flag = 1; |
1195 | *flag = 1; |
|
|
1196 | |
|
|
1197 | #if EV_USE_EVENTFD |
|
|
1198 | if (evfd >= 0) |
|
|
1199 | { |
|
|
1200 | uint64_t counter = 1; |
|
|
1201 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
1202 | } |
|
|
1203 | else |
|
|
1204 | #endif |
827 | write (evpipe [1], &old_errno, 1); |
1205 | write (evpipe [1], &old_errno, 1); |
828 | |
1206 | |
829 | errno = old_errno; |
1207 | errno = old_errno; |
830 | } |
1208 | } |
831 | } |
1209 | } |
832 | |
1210 | |
|
|
1211 | /* called whenever the libev signal pipe */ |
|
|
1212 | /* got some events (signal, async) */ |
833 | static void |
1213 | static void |
834 | pipecb (EV_P_ ev_io *iow, int revents) |
1214 | pipecb (EV_P_ ev_io *iow, int revents) |
835 | { |
1215 | { |
|
|
1216 | int i; |
|
|
1217 | |
|
|
1218 | #if EV_USE_EVENTFD |
|
|
1219 | if (evfd >= 0) |
836 | { |
1220 | { |
837 | int dummy; |
1221 | uint64_t counter; |
|
|
1222 | read (evfd, &counter, sizeof (uint64_t)); |
|
|
1223 | } |
|
|
1224 | else |
|
|
1225 | #endif |
|
|
1226 | { |
|
|
1227 | char dummy; |
838 | read (evpipe [0], &dummy, 1); |
1228 | read (evpipe [0], &dummy, 1); |
839 | } |
1229 | } |
840 | |
1230 | |
841 | if (gotsig && ev_is_default_loop (EV_A)) |
1231 | if (sig_pending) |
842 | { |
1232 | { |
843 | int signum; |
1233 | sig_pending = 0; |
844 | gotsig = 0; |
|
|
845 | |
1234 | |
846 | for (signum = signalmax; signum--; ) |
1235 | for (i = EV_NSIG - 1; i--; ) |
847 | if (signals [signum].gotsig) |
1236 | if (expect_false (signals [i].pending)) |
848 | ev_feed_signal_event (EV_A_ signum + 1); |
1237 | ev_feed_signal_event (EV_A_ i + 1); |
849 | } |
1238 | } |
850 | |
1239 | |
851 | #if EV_ASYNC_ENABLE |
1240 | #if EV_ASYNC_ENABLE |
852 | if (gotasync) |
1241 | if (async_pending) |
853 | { |
1242 | { |
854 | int i; |
1243 | async_pending = 0; |
855 | gotasync = 0; |
|
|
856 | |
1244 | |
857 | for (i = asynccnt; i--; ) |
1245 | for (i = asynccnt; i--; ) |
858 | if (asyncs [i]->sent) |
1246 | if (asyncs [i]->sent) |
859 | { |
1247 | { |
860 | asyncs [i]->sent = 0; |
1248 | asyncs [i]->sent = 0; |
… | |
… | |
865 | } |
1253 | } |
866 | |
1254 | |
867 | /*****************************************************************************/ |
1255 | /*****************************************************************************/ |
868 | |
1256 | |
869 | static void |
1257 | static void |
870 | sighandler (int signum) |
1258 | ev_sighandler (int signum) |
871 | { |
1259 | { |
872 | #if EV_MULTIPLICITY |
1260 | #if EV_MULTIPLICITY |
873 | struct ev_loop *loop = &default_loop_struct; |
1261 | EV_P = signals [signum - 1].loop; |
874 | #endif |
1262 | #endif |
875 | |
1263 | |
876 | #if _WIN32 |
1264 | #if _WIN32 |
877 | signal (signum, sighandler); |
1265 | signal (signum, ev_sighandler); |
878 | #endif |
1266 | #endif |
879 | |
1267 | |
880 | signals [signum - 1].gotsig = 1; |
1268 | signals [signum - 1].pending = 1; |
881 | evpipe_write (EV_A_ &gotsig); |
1269 | evpipe_write (EV_A_ &sig_pending); |
882 | } |
1270 | } |
883 | |
1271 | |
884 | void noinline |
1272 | void noinline |
885 | ev_feed_signal_event (EV_P_ int signum) |
1273 | ev_feed_signal_event (EV_P_ int signum) |
886 | { |
1274 | { |
887 | WL w; |
1275 | WL w; |
888 | |
1276 | |
|
|
1277 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
|
|
1278 | return; |
|
|
1279 | |
|
|
1280 | --signum; |
|
|
1281 | |
889 | #if EV_MULTIPLICITY |
1282 | #if EV_MULTIPLICITY |
890 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1283 | /* it is permissible to try to feed a signal to the wrong loop */ |
891 | #endif |
1284 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
892 | |
1285 | |
893 | --signum; |
1286 | if (expect_false (signals [signum].loop != EV_A)) |
894 | |
|
|
895 | if (signum < 0 || signum >= signalmax) |
|
|
896 | return; |
1287 | return; |
|
|
1288 | #endif |
897 | |
1289 | |
898 | signals [signum].gotsig = 0; |
1290 | signals [signum].pending = 0; |
899 | |
1291 | |
900 | for (w = signals [signum].head; w; w = w->next) |
1292 | for (w = signals [signum].head; w; w = w->next) |
901 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1293 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
902 | } |
1294 | } |
903 | |
1295 | |
|
|
1296 | #if EV_USE_SIGNALFD |
|
|
1297 | static void |
|
|
1298 | sigfdcb (EV_P_ ev_io *iow, int revents) |
|
|
1299 | { |
|
|
1300 | struct signalfd_siginfo si[2], *sip; /* these structs are big */ |
|
|
1301 | |
|
|
1302 | for (;;) |
|
|
1303 | { |
|
|
1304 | ssize_t res = read (sigfd, si, sizeof (si)); |
|
|
1305 | |
|
|
1306 | /* not ISO-C, as res might be -1, but works with SuS */ |
|
|
1307 | for (sip = si; (char *)sip < (char *)si + res; ++sip) |
|
|
1308 | ev_feed_signal_event (EV_A_ sip->ssi_signo); |
|
|
1309 | |
|
|
1310 | if (res < (ssize_t)sizeof (si)) |
|
|
1311 | break; |
|
|
1312 | } |
|
|
1313 | } |
|
|
1314 | #endif |
|
|
1315 | |
904 | /*****************************************************************************/ |
1316 | /*****************************************************************************/ |
905 | |
1317 | |
906 | static WL childs [EV_PID_HASHSIZE]; |
1318 | static WL childs [EV_PID_HASHSIZE]; |
907 | |
1319 | |
908 | #ifndef _WIN32 |
1320 | #ifndef _WIN32 |
… | |
… | |
911 | |
1323 | |
912 | #ifndef WIFCONTINUED |
1324 | #ifndef WIFCONTINUED |
913 | # define WIFCONTINUED(status) 0 |
1325 | # define WIFCONTINUED(status) 0 |
914 | #endif |
1326 | #endif |
915 | |
1327 | |
916 | void inline_speed |
1328 | /* handle a single child status event */ |
|
|
1329 | inline_speed void |
917 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
1330 | child_reap (EV_P_ int chain, int pid, int status) |
918 | { |
1331 | { |
919 | ev_child *w; |
1332 | ev_child *w; |
920 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1333 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
921 | |
1334 | |
922 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1335 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
923 | { |
1336 | { |
924 | if ((w->pid == pid || !w->pid) |
1337 | if ((w->pid == pid || !w->pid) |
925 | && (!traced || (w->flags & 1))) |
1338 | && (!traced || (w->flags & 1))) |
926 | { |
1339 | { |
927 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
1340 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
928 | w->rpid = pid; |
1341 | w->rpid = pid; |
929 | w->rstatus = status; |
1342 | w->rstatus = status; |
930 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
1343 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
931 | } |
1344 | } |
932 | } |
1345 | } |
… | |
… | |
934 | |
1347 | |
935 | #ifndef WCONTINUED |
1348 | #ifndef WCONTINUED |
936 | # define WCONTINUED 0 |
1349 | # define WCONTINUED 0 |
937 | #endif |
1350 | #endif |
938 | |
1351 | |
|
|
1352 | /* called on sigchld etc., calls waitpid */ |
939 | static void |
1353 | static void |
940 | childcb (EV_P_ ev_signal *sw, int revents) |
1354 | childcb (EV_P_ ev_signal *sw, int revents) |
941 | { |
1355 | { |
942 | int pid, status; |
1356 | int pid, status; |
943 | |
1357 | |
… | |
… | |
946 | if (!WCONTINUED |
1360 | if (!WCONTINUED |
947 | || errno != EINVAL |
1361 | || errno != EINVAL |
948 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
1362 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
949 | return; |
1363 | return; |
950 | |
1364 | |
951 | /* make sure we are called again until all childs have been reaped */ |
1365 | /* make sure we are called again until all children have been reaped */ |
952 | /* we need to do it this way so that the callback gets called before we continue */ |
1366 | /* we need to do it this way so that the callback gets called before we continue */ |
953 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1367 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
954 | |
1368 | |
955 | child_reap (EV_A_ sw, pid, pid, status); |
1369 | child_reap (EV_A_ pid, pid, status); |
956 | if (EV_PID_HASHSIZE > 1) |
1370 | if (EV_PID_HASHSIZE > 1) |
957 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1371 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
958 | } |
1372 | } |
959 | |
1373 | |
960 | #endif |
1374 | #endif |
961 | |
1375 | |
962 | /*****************************************************************************/ |
1376 | /*****************************************************************************/ |
… | |
… | |
1024 | /* kqueue is borked on everything but netbsd apparently */ |
1438 | /* kqueue is borked on everything but netbsd apparently */ |
1025 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1439 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1026 | flags &= ~EVBACKEND_KQUEUE; |
1440 | flags &= ~EVBACKEND_KQUEUE; |
1027 | #endif |
1441 | #endif |
1028 | #ifdef __APPLE__ |
1442 | #ifdef __APPLE__ |
1029 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
1443 | /* only select works correctly on that "unix-certified" platform */ |
1030 | flags &= ~EVBACKEND_POLL; |
1444 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
|
|
1445 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1031 | #endif |
1446 | #endif |
1032 | |
1447 | |
1033 | return flags; |
1448 | return flags; |
1034 | } |
1449 | } |
1035 | |
1450 | |
… | |
… | |
1049 | ev_backend (EV_P) |
1464 | ev_backend (EV_P) |
1050 | { |
1465 | { |
1051 | return backend; |
1466 | return backend; |
1052 | } |
1467 | } |
1053 | |
1468 | |
|
|
1469 | #if EV_MINIMAL < 2 |
1054 | unsigned int |
1470 | unsigned int |
1055 | ev_loop_count (EV_P) |
1471 | ev_loop_count (EV_P) |
1056 | { |
1472 | { |
1057 | return loop_count; |
1473 | return loop_count; |
1058 | } |
1474 | } |
1059 | |
1475 | |
|
|
1476 | unsigned int |
|
|
1477 | ev_loop_depth (EV_P) |
|
|
1478 | { |
|
|
1479 | return loop_depth; |
|
|
1480 | } |
|
|
1481 | |
1060 | void |
1482 | void |
1061 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1483 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1062 | { |
1484 | { |
1063 | io_blocktime = interval; |
1485 | io_blocktime = interval; |
1064 | } |
1486 | } |
… | |
… | |
1067 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1489 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1068 | { |
1490 | { |
1069 | timeout_blocktime = interval; |
1491 | timeout_blocktime = interval; |
1070 | } |
1492 | } |
1071 | |
1493 | |
|
|
1494 | void |
|
|
1495 | ev_set_userdata (EV_P_ void *data) |
|
|
1496 | { |
|
|
1497 | userdata = data; |
|
|
1498 | } |
|
|
1499 | |
|
|
1500 | void * |
|
|
1501 | ev_userdata (EV_P) |
|
|
1502 | { |
|
|
1503 | return userdata; |
|
|
1504 | } |
|
|
1505 | |
|
|
1506 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
|
|
1507 | { |
|
|
1508 | invoke_cb = invoke_pending_cb; |
|
|
1509 | } |
|
|
1510 | |
|
|
1511 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
|
|
1512 | { |
|
|
1513 | release_cb = release; |
|
|
1514 | acquire_cb = acquire; |
|
|
1515 | } |
|
|
1516 | #endif |
|
|
1517 | |
|
|
1518 | /* initialise a loop structure, must be zero-initialised */ |
1072 | static void noinline |
1519 | static void noinline |
1073 | loop_init (EV_P_ unsigned int flags) |
1520 | loop_init (EV_P_ unsigned int flags) |
1074 | { |
1521 | { |
1075 | if (!backend) |
1522 | if (!backend) |
1076 | { |
1523 | { |
|
|
1524 | #if EV_USE_REALTIME |
|
|
1525 | if (!have_realtime) |
|
|
1526 | { |
|
|
1527 | struct timespec ts; |
|
|
1528 | |
|
|
1529 | if (!clock_gettime (CLOCK_REALTIME, &ts)) |
|
|
1530 | have_realtime = 1; |
|
|
1531 | } |
|
|
1532 | #endif |
|
|
1533 | |
1077 | #if EV_USE_MONOTONIC |
1534 | #if EV_USE_MONOTONIC |
|
|
1535 | if (!have_monotonic) |
1078 | { |
1536 | { |
1079 | struct timespec ts; |
1537 | struct timespec ts; |
|
|
1538 | |
1080 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1539 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1081 | have_monotonic = 1; |
1540 | have_monotonic = 1; |
1082 | } |
1541 | } |
1083 | #endif |
1542 | #endif |
|
|
1543 | |
|
|
1544 | /* pid check not overridable via env */ |
|
|
1545 | #ifndef _WIN32 |
|
|
1546 | if (flags & EVFLAG_FORKCHECK) |
|
|
1547 | curpid = getpid (); |
|
|
1548 | #endif |
|
|
1549 | |
|
|
1550 | if (!(flags & EVFLAG_NOENV) |
|
|
1551 | && !enable_secure () |
|
|
1552 | && getenv ("LIBEV_FLAGS")) |
|
|
1553 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1084 | |
1554 | |
1085 | ev_rt_now = ev_time (); |
1555 | ev_rt_now = ev_time (); |
1086 | mn_now = get_clock (); |
1556 | mn_now = get_clock (); |
1087 | now_floor = mn_now; |
1557 | now_floor = mn_now; |
1088 | rtmn_diff = ev_rt_now - mn_now; |
1558 | rtmn_diff = ev_rt_now - mn_now; |
|
|
1559 | #if EV_MINIMAL < 2 |
|
|
1560 | invoke_cb = ev_invoke_pending; |
|
|
1561 | #endif |
1089 | |
1562 | |
1090 | io_blocktime = 0.; |
1563 | io_blocktime = 0.; |
1091 | timeout_blocktime = 0.; |
1564 | timeout_blocktime = 0.; |
1092 | backend = 0; |
1565 | backend = 0; |
1093 | backend_fd = -1; |
1566 | backend_fd = -1; |
1094 | gotasync = 0; |
1567 | sig_pending = 0; |
|
|
1568 | #if EV_ASYNC_ENABLE |
|
|
1569 | async_pending = 0; |
|
|
1570 | #endif |
1095 | #if EV_USE_INOTIFY |
1571 | #if EV_USE_INOTIFY |
1096 | fs_fd = -2; |
1572 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1097 | #endif |
1573 | #endif |
1098 | |
1574 | #if EV_USE_SIGNALFD |
1099 | /* pid check not overridable via env */ |
1575 | sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2; |
1100 | #ifndef _WIN32 |
|
|
1101 | if (flags & EVFLAG_FORKCHECK) |
|
|
1102 | curpid = getpid (); |
|
|
1103 | #endif |
1576 | #endif |
1104 | |
1577 | |
1105 | if (!(flags & EVFLAG_NOENV) |
|
|
1106 | && !enable_secure () |
|
|
1107 | && getenv ("LIBEV_FLAGS")) |
|
|
1108 | flags = atoi (getenv ("LIBEV_FLAGS")); |
|
|
1109 | |
|
|
1110 | if (!(flags & 0x0000ffffUL)) |
1578 | if (!(flags & 0x0000ffffU)) |
1111 | flags |= ev_recommended_backends (); |
1579 | flags |= ev_recommended_backends (); |
1112 | |
1580 | |
1113 | #if EV_USE_PORT |
1581 | #if EV_USE_PORT |
1114 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1582 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1115 | #endif |
1583 | #endif |
… | |
… | |
1124 | #endif |
1592 | #endif |
1125 | #if EV_USE_SELECT |
1593 | #if EV_USE_SELECT |
1126 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1594 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1127 | #endif |
1595 | #endif |
1128 | |
1596 | |
|
|
1597 | ev_prepare_init (&pending_w, pendingcb); |
|
|
1598 | |
1129 | ev_init (&pipeev, pipecb); |
1599 | ev_init (&pipe_w, pipecb); |
1130 | ev_set_priority (&pipeev, EV_MAXPRI); |
1600 | ev_set_priority (&pipe_w, EV_MAXPRI); |
1131 | } |
1601 | } |
1132 | } |
1602 | } |
1133 | |
1603 | |
|
|
1604 | /* free up a loop structure */ |
1134 | static void noinline |
1605 | static void noinline |
1135 | loop_destroy (EV_P) |
1606 | loop_destroy (EV_P) |
1136 | { |
1607 | { |
1137 | int i; |
1608 | int i; |
1138 | |
1609 | |
1139 | if (ev_is_active (&pipeev)) |
1610 | if (ev_is_active (&pipe_w)) |
1140 | { |
1611 | { |
1141 | ev_ref (EV_A); /* signal watcher */ |
1612 | /*ev_ref (EV_A);*/ |
1142 | ev_io_stop (EV_A_ &pipeev); |
1613 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1143 | |
1614 | |
1144 | close (evpipe [0]); evpipe [0] = 0; |
1615 | #if EV_USE_EVENTFD |
1145 | close (evpipe [1]); evpipe [1] = 0; |
1616 | if (evfd >= 0) |
|
|
1617 | close (evfd); |
|
|
1618 | #endif |
|
|
1619 | |
|
|
1620 | if (evpipe [0] >= 0) |
|
|
1621 | { |
|
|
1622 | close (evpipe [0]); |
|
|
1623 | close (evpipe [1]); |
|
|
1624 | } |
|
|
1625 | } |
|
|
1626 | |
|
|
1627 | #if EV_USE_SIGNALFD |
|
|
1628 | if (ev_is_active (&sigfd_w)) |
1146 | } |
1629 | { |
|
|
1630 | /*ev_ref (EV_A);*/ |
|
|
1631 | /*ev_io_stop (EV_A_ &sigfd_w);*/ |
|
|
1632 | |
|
|
1633 | close (sigfd); |
|
|
1634 | } |
|
|
1635 | #endif |
1147 | |
1636 | |
1148 | #if EV_USE_INOTIFY |
1637 | #if EV_USE_INOTIFY |
1149 | if (fs_fd >= 0) |
1638 | if (fs_fd >= 0) |
1150 | close (fs_fd); |
1639 | close (fs_fd); |
1151 | #endif |
1640 | #endif |
… | |
… | |
1175 | #if EV_IDLE_ENABLE |
1664 | #if EV_IDLE_ENABLE |
1176 | array_free (idle, [i]); |
1665 | array_free (idle, [i]); |
1177 | #endif |
1666 | #endif |
1178 | } |
1667 | } |
1179 | |
1668 | |
1180 | ev_free (anfds); anfdmax = 0; |
1669 | ev_free (anfds); anfds = 0; anfdmax = 0; |
1181 | |
1670 | |
1182 | /* have to use the microsoft-never-gets-it-right macro */ |
1671 | /* have to use the microsoft-never-gets-it-right macro */ |
|
|
1672 | array_free (rfeed, EMPTY); |
1183 | array_free (fdchange, EMPTY); |
1673 | array_free (fdchange, EMPTY); |
1184 | array_free (timer, EMPTY); |
1674 | array_free (timer, EMPTY); |
1185 | #if EV_PERIODIC_ENABLE |
1675 | #if EV_PERIODIC_ENABLE |
1186 | array_free (periodic, EMPTY); |
1676 | array_free (periodic, EMPTY); |
1187 | #endif |
1677 | #endif |
… | |
… | |
1195 | #endif |
1685 | #endif |
1196 | |
1686 | |
1197 | backend = 0; |
1687 | backend = 0; |
1198 | } |
1688 | } |
1199 | |
1689 | |
|
|
1690 | #if EV_USE_INOTIFY |
1200 | void inline_size infy_fork (EV_P); |
1691 | inline_size void infy_fork (EV_P); |
|
|
1692 | #endif |
1201 | |
1693 | |
1202 | void inline_size |
1694 | inline_size void |
1203 | loop_fork (EV_P) |
1695 | loop_fork (EV_P) |
1204 | { |
1696 | { |
1205 | #if EV_USE_PORT |
1697 | #if EV_USE_PORT |
1206 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1698 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1207 | #endif |
1699 | #endif |
… | |
… | |
1213 | #endif |
1705 | #endif |
1214 | #if EV_USE_INOTIFY |
1706 | #if EV_USE_INOTIFY |
1215 | infy_fork (EV_A); |
1707 | infy_fork (EV_A); |
1216 | #endif |
1708 | #endif |
1217 | |
1709 | |
1218 | if (ev_is_active (&pipeev)) |
1710 | if (ev_is_active (&pipe_w)) |
1219 | { |
1711 | { |
1220 | /* this "locks" the handlers against writing to the pipe */ |
1712 | /* this "locks" the handlers against writing to the pipe */ |
1221 | /* while we modify the fd vars */ |
1713 | /* while we modify the fd vars */ |
1222 | gotsig = 1; |
1714 | sig_pending = 1; |
1223 | #if EV_ASYNC_ENABLE |
1715 | #if EV_ASYNC_ENABLE |
1224 | gotasync = 1; |
1716 | async_pending = 1; |
1225 | #endif |
1717 | #endif |
1226 | |
1718 | |
1227 | ev_ref (EV_A); |
1719 | ev_ref (EV_A); |
1228 | ev_io_stop (EV_A_ &pipeev); |
1720 | ev_io_stop (EV_A_ &pipe_w); |
|
|
1721 | |
|
|
1722 | #if EV_USE_EVENTFD |
|
|
1723 | if (evfd >= 0) |
|
|
1724 | close (evfd); |
|
|
1725 | #endif |
|
|
1726 | |
|
|
1727 | if (evpipe [0] >= 0) |
|
|
1728 | { |
1229 | close (evpipe [0]); |
1729 | close (evpipe [0]); |
1230 | close (evpipe [1]); |
1730 | close (evpipe [1]); |
|
|
1731 | } |
1231 | |
1732 | |
1232 | evpipe_init (EV_A); |
1733 | evpipe_init (EV_A); |
1233 | /* now iterate over everything, in case we missed something */ |
1734 | /* now iterate over everything, in case we missed something */ |
1234 | pipecb (EV_A_ &pipeev, EV_READ); |
1735 | pipecb (EV_A_ &pipe_w, EV_READ); |
1235 | } |
1736 | } |
1236 | |
1737 | |
1237 | postfork = 0; |
1738 | postfork = 0; |
1238 | } |
1739 | } |
1239 | |
1740 | |
1240 | #if EV_MULTIPLICITY |
1741 | #if EV_MULTIPLICITY |
|
|
1742 | |
1241 | struct ev_loop * |
1743 | struct ev_loop * |
1242 | ev_loop_new (unsigned int flags) |
1744 | ev_loop_new (unsigned int flags) |
1243 | { |
1745 | { |
1244 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1746 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1245 | |
1747 | |
1246 | memset (loop, 0, sizeof (struct ev_loop)); |
1748 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1247 | |
|
|
1248 | loop_init (EV_A_ flags); |
1749 | loop_init (EV_A_ flags); |
1249 | |
1750 | |
1250 | if (ev_backend (EV_A)) |
1751 | if (ev_backend (EV_A)) |
1251 | return loop; |
1752 | return EV_A; |
1252 | |
1753 | |
1253 | return 0; |
1754 | return 0; |
1254 | } |
1755 | } |
1255 | |
1756 | |
1256 | void |
1757 | void |
… | |
… | |
1263 | void |
1764 | void |
1264 | ev_loop_fork (EV_P) |
1765 | ev_loop_fork (EV_P) |
1265 | { |
1766 | { |
1266 | postfork = 1; /* must be in line with ev_default_fork */ |
1767 | postfork = 1; /* must be in line with ev_default_fork */ |
1267 | } |
1768 | } |
|
|
1769 | #endif /* multiplicity */ |
1268 | |
1770 | |
|
|
1771 | #if EV_VERIFY |
|
|
1772 | static void noinline |
|
|
1773 | verify_watcher (EV_P_ W w) |
|
|
1774 | { |
|
|
1775 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
|
|
1776 | |
|
|
1777 | if (w->pending) |
|
|
1778 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
|
|
1779 | } |
|
|
1780 | |
|
|
1781 | static void noinline |
|
|
1782 | verify_heap (EV_P_ ANHE *heap, int N) |
|
|
1783 | { |
|
|
1784 | int i; |
|
|
1785 | |
|
|
1786 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
1787 | { |
|
|
1788 | assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
1789 | assert (("libev: heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
1790 | assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
1791 | |
|
|
1792 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
|
|
1793 | } |
|
|
1794 | } |
|
|
1795 | |
|
|
1796 | static void noinline |
|
|
1797 | array_verify (EV_P_ W *ws, int cnt) |
|
|
1798 | { |
|
|
1799 | while (cnt--) |
|
|
1800 | { |
|
|
1801 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
|
|
1802 | verify_watcher (EV_A_ ws [cnt]); |
|
|
1803 | } |
|
|
1804 | } |
|
|
1805 | #endif |
|
|
1806 | |
|
|
1807 | #if EV_MINIMAL < 2 |
|
|
1808 | void |
|
|
1809 | ev_loop_verify (EV_P) |
|
|
1810 | { |
|
|
1811 | #if EV_VERIFY |
|
|
1812 | int i; |
|
|
1813 | WL w; |
|
|
1814 | |
|
|
1815 | assert (activecnt >= -1); |
|
|
1816 | |
|
|
1817 | assert (fdchangemax >= fdchangecnt); |
|
|
1818 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1819 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
|
|
1820 | |
|
|
1821 | assert (anfdmax >= 0); |
|
|
1822 | for (i = 0; i < anfdmax; ++i) |
|
|
1823 | for (w = anfds [i].head; w; w = w->next) |
|
|
1824 | { |
|
|
1825 | verify_watcher (EV_A_ (W)w); |
|
|
1826 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
|
|
1827 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
|
|
1828 | } |
|
|
1829 | |
|
|
1830 | assert (timermax >= timercnt); |
|
|
1831 | verify_heap (EV_A_ timers, timercnt); |
|
|
1832 | |
|
|
1833 | #if EV_PERIODIC_ENABLE |
|
|
1834 | assert (periodicmax >= periodiccnt); |
|
|
1835 | verify_heap (EV_A_ periodics, periodiccnt); |
|
|
1836 | #endif |
|
|
1837 | |
|
|
1838 | for (i = NUMPRI; i--; ) |
|
|
1839 | { |
|
|
1840 | assert (pendingmax [i] >= pendingcnt [i]); |
|
|
1841 | #if EV_IDLE_ENABLE |
|
|
1842 | assert (idleall >= 0); |
|
|
1843 | assert (idlemax [i] >= idlecnt [i]); |
|
|
1844 | array_verify (EV_A_ (W *)idles [i], idlecnt [i]); |
|
|
1845 | #endif |
|
|
1846 | } |
|
|
1847 | |
|
|
1848 | #if EV_FORK_ENABLE |
|
|
1849 | assert (forkmax >= forkcnt); |
|
|
1850 | array_verify (EV_A_ (W *)forks, forkcnt); |
|
|
1851 | #endif |
|
|
1852 | |
|
|
1853 | #if EV_ASYNC_ENABLE |
|
|
1854 | assert (asyncmax >= asynccnt); |
|
|
1855 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
|
|
1856 | #endif |
|
|
1857 | |
|
|
1858 | assert (preparemax >= preparecnt); |
|
|
1859 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1860 | |
|
|
1861 | assert (checkmax >= checkcnt); |
|
|
1862 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1863 | |
|
|
1864 | # if 0 |
|
|
1865 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1866 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
1867 | # endif |
|
|
1868 | #endif |
|
|
1869 | } |
1269 | #endif |
1870 | #endif |
1270 | |
1871 | |
1271 | #if EV_MULTIPLICITY |
1872 | #if EV_MULTIPLICITY |
1272 | struct ev_loop * |
1873 | struct ev_loop * |
1273 | ev_default_loop_init (unsigned int flags) |
1874 | ev_default_loop_init (unsigned int flags) |
… | |
… | |
1277 | #endif |
1878 | #endif |
1278 | { |
1879 | { |
1279 | if (!ev_default_loop_ptr) |
1880 | if (!ev_default_loop_ptr) |
1280 | { |
1881 | { |
1281 | #if EV_MULTIPLICITY |
1882 | #if EV_MULTIPLICITY |
1282 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1883 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
1283 | #else |
1884 | #else |
1284 | ev_default_loop_ptr = 1; |
1885 | ev_default_loop_ptr = 1; |
1285 | #endif |
1886 | #endif |
1286 | |
1887 | |
1287 | loop_init (EV_A_ flags); |
1888 | loop_init (EV_A_ flags); |
… | |
… | |
1304 | |
1905 | |
1305 | void |
1906 | void |
1306 | ev_default_destroy (void) |
1907 | ev_default_destroy (void) |
1307 | { |
1908 | { |
1308 | #if EV_MULTIPLICITY |
1909 | #if EV_MULTIPLICITY |
1309 | struct ev_loop *loop = ev_default_loop_ptr; |
1910 | EV_P = ev_default_loop_ptr; |
1310 | #endif |
1911 | #endif |
|
|
1912 | |
|
|
1913 | ev_default_loop_ptr = 0; |
1311 | |
1914 | |
1312 | #ifndef _WIN32 |
1915 | #ifndef _WIN32 |
1313 | ev_ref (EV_A); /* child watcher */ |
1916 | ev_ref (EV_A); /* child watcher */ |
1314 | ev_signal_stop (EV_A_ &childev); |
1917 | ev_signal_stop (EV_A_ &childev); |
1315 | #endif |
1918 | #endif |
… | |
… | |
1319 | |
1922 | |
1320 | void |
1923 | void |
1321 | ev_default_fork (void) |
1924 | ev_default_fork (void) |
1322 | { |
1925 | { |
1323 | #if EV_MULTIPLICITY |
1926 | #if EV_MULTIPLICITY |
1324 | struct ev_loop *loop = ev_default_loop_ptr; |
1927 | EV_P = ev_default_loop_ptr; |
1325 | #endif |
1928 | #endif |
1326 | |
1929 | |
1327 | if (backend) |
|
|
1328 | postfork = 1; /* must be in line with ev_loop_fork */ |
1930 | postfork = 1; /* must be in line with ev_loop_fork */ |
1329 | } |
1931 | } |
1330 | |
1932 | |
1331 | /*****************************************************************************/ |
1933 | /*****************************************************************************/ |
1332 | |
1934 | |
1333 | void |
1935 | void |
1334 | ev_invoke (EV_P_ void *w, int revents) |
1936 | ev_invoke (EV_P_ void *w, int revents) |
1335 | { |
1937 | { |
1336 | EV_CB_INVOKE ((W)w, revents); |
1938 | EV_CB_INVOKE ((W)w, revents); |
1337 | } |
1939 | } |
1338 | |
1940 | |
1339 | void inline_speed |
1941 | unsigned int |
1340 | call_pending (EV_P) |
1942 | ev_pending_count (EV_P) |
|
|
1943 | { |
|
|
1944 | int pri; |
|
|
1945 | unsigned int count = 0; |
|
|
1946 | |
|
|
1947 | for (pri = NUMPRI; pri--; ) |
|
|
1948 | count += pendingcnt [pri]; |
|
|
1949 | |
|
|
1950 | return count; |
|
|
1951 | } |
|
|
1952 | |
|
|
1953 | void noinline |
|
|
1954 | ev_invoke_pending (EV_P) |
1341 | { |
1955 | { |
1342 | int pri; |
1956 | int pri; |
1343 | |
1957 | |
1344 | for (pri = NUMPRI; pri--; ) |
1958 | for (pri = NUMPRI; pri--; ) |
1345 | while (pendingcnt [pri]) |
1959 | while (pendingcnt [pri]) |
1346 | { |
1960 | { |
1347 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1961 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1348 | |
1962 | |
1349 | if (expect_true (p->w)) |
|
|
1350 | { |
|
|
1351 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1963 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
1964 | /* ^ this is no longer true, as pending_w could be here */ |
1352 | |
1965 | |
1353 | p->w->pending = 0; |
1966 | p->w->pending = 0; |
1354 | EV_CB_INVOKE (p->w, p->events); |
1967 | EV_CB_INVOKE (p->w, p->events); |
1355 | } |
1968 | EV_FREQUENT_CHECK; |
1356 | } |
1969 | } |
1357 | } |
1970 | } |
1358 | |
1971 | |
1359 | void inline_size |
|
|
1360 | timers_reify (EV_P) |
|
|
1361 | { |
|
|
1362 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
|
|
1363 | { |
|
|
1364 | ev_timer *w = (ev_timer *)timers [0]; |
|
|
1365 | |
|
|
1366 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1367 | |
|
|
1368 | /* first reschedule or stop timer */ |
|
|
1369 | if (w->repeat) |
|
|
1370 | { |
|
|
1371 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1372 | |
|
|
1373 | ((WT)w)->at += w->repeat; |
|
|
1374 | if (((WT)w)->at < mn_now) |
|
|
1375 | ((WT)w)->at = mn_now; |
|
|
1376 | |
|
|
1377 | downheap (timers, timercnt, 0); |
|
|
1378 | } |
|
|
1379 | else |
|
|
1380 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1381 | |
|
|
1382 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1383 | } |
|
|
1384 | } |
|
|
1385 | |
|
|
1386 | #if EV_PERIODIC_ENABLE |
|
|
1387 | void inline_size |
|
|
1388 | periodics_reify (EV_P) |
|
|
1389 | { |
|
|
1390 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
|
|
1391 | { |
|
|
1392 | ev_periodic *w = (ev_periodic *)periodics [0]; |
|
|
1393 | |
|
|
1394 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1395 | |
|
|
1396 | /* first reschedule or stop timer */ |
|
|
1397 | if (w->reschedule_cb) |
|
|
1398 | { |
|
|
1399 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
|
|
1400 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1401 | downheap (periodics, periodiccnt, 0); |
|
|
1402 | } |
|
|
1403 | else if (w->interval) |
|
|
1404 | { |
|
|
1405 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1406 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
|
|
1407 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
|
|
1408 | downheap (periodics, periodiccnt, 0); |
|
|
1409 | } |
|
|
1410 | else |
|
|
1411 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1412 | |
|
|
1413 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1414 | } |
|
|
1415 | } |
|
|
1416 | |
|
|
1417 | static void noinline |
|
|
1418 | periodics_reschedule (EV_P) |
|
|
1419 | { |
|
|
1420 | int i; |
|
|
1421 | |
|
|
1422 | /* adjust periodics after time jump */ |
|
|
1423 | for (i = 0; i < periodiccnt; ++i) |
|
|
1424 | { |
|
|
1425 | ev_periodic *w = (ev_periodic *)periodics [i]; |
|
|
1426 | |
|
|
1427 | if (w->reschedule_cb) |
|
|
1428 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1429 | else if (w->interval) |
|
|
1430 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1431 | } |
|
|
1432 | |
|
|
1433 | /* now rebuild the heap */ |
|
|
1434 | for (i = periodiccnt >> 1; i--; ) |
|
|
1435 | downheap (periodics, periodiccnt, i); |
|
|
1436 | } |
|
|
1437 | #endif |
|
|
1438 | |
|
|
1439 | #if EV_IDLE_ENABLE |
1972 | #if EV_IDLE_ENABLE |
1440 | void inline_size |
1973 | /* make idle watchers pending. this handles the "call-idle */ |
|
|
1974 | /* only when higher priorities are idle" logic */ |
|
|
1975 | inline_size void |
1441 | idle_reify (EV_P) |
1976 | idle_reify (EV_P) |
1442 | { |
1977 | { |
1443 | if (expect_false (idleall)) |
1978 | if (expect_false (idleall)) |
1444 | { |
1979 | { |
1445 | int pri; |
1980 | int pri; |
… | |
… | |
1457 | } |
1992 | } |
1458 | } |
1993 | } |
1459 | } |
1994 | } |
1460 | #endif |
1995 | #endif |
1461 | |
1996 | |
1462 | void inline_speed |
1997 | /* make timers pending */ |
|
|
1998 | inline_size void |
|
|
1999 | timers_reify (EV_P) |
|
|
2000 | { |
|
|
2001 | EV_FREQUENT_CHECK; |
|
|
2002 | |
|
|
2003 | if (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
|
|
2004 | { |
|
|
2005 | do |
|
|
2006 | { |
|
|
2007 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
2008 | |
|
|
2009 | /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
2010 | |
|
|
2011 | /* first reschedule or stop timer */ |
|
|
2012 | if (w->repeat) |
|
|
2013 | { |
|
|
2014 | ev_at (w) += w->repeat; |
|
|
2015 | if (ev_at (w) < mn_now) |
|
|
2016 | ev_at (w) = mn_now; |
|
|
2017 | |
|
|
2018 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
2019 | |
|
|
2020 | ANHE_at_cache (timers [HEAP0]); |
|
|
2021 | downheap (timers, timercnt, HEAP0); |
|
|
2022 | } |
|
|
2023 | else |
|
|
2024 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
2025 | |
|
|
2026 | EV_FREQUENT_CHECK; |
|
|
2027 | feed_reverse (EV_A_ (W)w); |
|
|
2028 | } |
|
|
2029 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
|
|
2030 | |
|
|
2031 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
|
|
2032 | } |
|
|
2033 | } |
|
|
2034 | |
|
|
2035 | #if EV_PERIODIC_ENABLE |
|
|
2036 | /* make periodics pending */ |
|
|
2037 | inline_size void |
|
|
2038 | periodics_reify (EV_P) |
|
|
2039 | { |
|
|
2040 | EV_FREQUENT_CHECK; |
|
|
2041 | |
|
|
2042 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
|
|
2043 | { |
|
|
2044 | int feed_count = 0; |
|
|
2045 | |
|
|
2046 | do |
|
|
2047 | { |
|
|
2048 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
2049 | |
|
|
2050 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
2051 | |
|
|
2052 | /* first reschedule or stop timer */ |
|
|
2053 | if (w->reschedule_cb) |
|
|
2054 | { |
|
|
2055 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
2056 | |
|
|
2057 | assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
|
|
2058 | |
|
|
2059 | ANHE_at_cache (periodics [HEAP0]); |
|
|
2060 | downheap (periodics, periodiccnt, HEAP0); |
|
|
2061 | } |
|
|
2062 | else if (w->interval) |
|
|
2063 | { |
|
|
2064 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
2065 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
2066 | /* this might happen because of floating point inexactness */ |
|
|
2067 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
2068 | { |
|
|
2069 | ev_at (w) += w->interval; |
|
|
2070 | |
|
|
2071 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
2072 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
2073 | /* has effectively asked to get triggered more often than possible */ |
|
|
2074 | if (ev_at (w) < ev_rt_now) |
|
|
2075 | ev_at (w) = ev_rt_now; |
|
|
2076 | } |
|
|
2077 | |
|
|
2078 | ANHE_at_cache (periodics [HEAP0]); |
|
|
2079 | downheap (periodics, periodiccnt, HEAP0); |
|
|
2080 | } |
|
|
2081 | else |
|
|
2082 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
2083 | |
|
|
2084 | EV_FREQUENT_CHECK; |
|
|
2085 | feed_reverse (EV_A_ (W)w); |
|
|
2086 | } |
|
|
2087 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now); |
|
|
2088 | |
|
|
2089 | feed_reverse_done (EV_A_ EV_PERIODIC); |
|
|
2090 | } |
|
|
2091 | } |
|
|
2092 | |
|
|
2093 | /* simply recalculate all periodics */ |
|
|
2094 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
|
|
2095 | static void noinline |
|
|
2096 | periodics_reschedule (EV_P) |
|
|
2097 | { |
|
|
2098 | int i; |
|
|
2099 | |
|
|
2100 | /* adjust periodics after time jump */ |
|
|
2101 | for (i = HEAP0; i < periodiccnt + HEAP0; ++i) |
|
|
2102 | { |
|
|
2103 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
|
|
2104 | |
|
|
2105 | if (w->reschedule_cb) |
|
|
2106 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
2107 | else if (w->interval) |
|
|
2108 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
2109 | |
|
|
2110 | ANHE_at_cache (periodics [i]); |
|
|
2111 | } |
|
|
2112 | |
|
|
2113 | reheap (periodics, periodiccnt); |
|
|
2114 | } |
|
|
2115 | #endif |
|
|
2116 | |
|
|
2117 | /* adjust all timers by a given offset */ |
|
|
2118 | static void noinline |
|
|
2119 | timers_reschedule (EV_P_ ev_tstamp adjust) |
|
|
2120 | { |
|
|
2121 | int i; |
|
|
2122 | |
|
|
2123 | for (i = 0; i < timercnt; ++i) |
|
|
2124 | { |
|
|
2125 | ANHE *he = timers + i + HEAP0; |
|
|
2126 | ANHE_w (*he)->at += adjust; |
|
|
2127 | ANHE_at_cache (*he); |
|
|
2128 | } |
|
|
2129 | } |
|
|
2130 | |
|
|
2131 | /* fetch new monotonic and realtime times from the kernel */ |
|
|
2132 | /* also detetc if there was a timejump, and act accordingly */ |
|
|
2133 | inline_speed void |
1463 | time_update (EV_P_ ev_tstamp max_block) |
2134 | time_update (EV_P_ ev_tstamp max_block) |
1464 | { |
2135 | { |
1465 | int i; |
|
|
1466 | |
|
|
1467 | #if EV_USE_MONOTONIC |
2136 | #if EV_USE_MONOTONIC |
1468 | if (expect_true (have_monotonic)) |
2137 | if (expect_true (have_monotonic)) |
1469 | { |
2138 | { |
|
|
2139 | int i; |
1470 | ev_tstamp odiff = rtmn_diff; |
2140 | ev_tstamp odiff = rtmn_diff; |
1471 | |
2141 | |
1472 | mn_now = get_clock (); |
2142 | mn_now = get_clock (); |
1473 | |
2143 | |
1474 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
2144 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
… | |
… | |
1492 | */ |
2162 | */ |
1493 | for (i = 4; --i; ) |
2163 | for (i = 4; --i; ) |
1494 | { |
2164 | { |
1495 | rtmn_diff = ev_rt_now - mn_now; |
2165 | rtmn_diff = ev_rt_now - mn_now; |
1496 | |
2166 | |
1497 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
2167 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
1498 | return; /* all is well */ |
2168 | return; /* all is well */ |
1499 | |
2169 | |
1500 | ev_rt_now = ev_time (); |
2170 | ev_rt_now = ev_time (); |
1501 | mn_now = get_clock (); |
2171 | mn_now = get_clock (); |
1502 | now_floor = mn_now; |
2172 | now_floor = mn_now; |
1503 | } |
2173 | } |
1504 | |
2174 | |
|
|
2175 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
2176 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1505 | # if EV_PERIODIC_ENABLE |
2177 | # if EV_PERIODIC_ENABLE |
1506 | periodics_reschedule (EV_A); |
2178 | periodics_reschedule (EV_A); |
1507 | # endif |
2179 | # endif |
1508 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1509 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1510 | } |
2180 | } |
1511 | else |
2181 | else |
1512 | #endif |
2182 | #endif |
1513 | { |
2183 | { |
1514 | ev_rt_now = ev_time (); |
2184 | ev_rt_now = ev_time (); |
1515 | |
2185 | |
1516 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
2186 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1517 | { |
2187 | { |
|
|
2188 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
2189 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
1518 | #if EV_PERIODIC_ENABLE |
2190 | #if EV_PERIODIC_ENABLE |
1519 | periodics_reschedule (EV_A); |
2191 | periodics_reschedule (EV_A); |
1520 | #endif |
2192 | #endif |
1521 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
1522 | for (i = 0; i < timercnt; ++i) |
|
|
1523 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
|
|
1524 | } |
2193 | } |
1525 | |
2194 | |
1526 | mn_now = ev_rt_now; |
2195 | mn_now = ev_rt_now; |
1527 | } |
2196 | } |
1528 | } |
2197 | } |
1529 | |
2198 | |
1530 | void |
2199 | void |
1531 | ev_ref (EV_P) |
|
|
1532 | { |
|
|
1533 | ++activecnt; |
|
|
1534 | } |
|
|
1535 | |
|
|
1536 | void |
|
|
1537 | ev_unref (EV_P) |
|
|
1538 | { |
|
|
1539 | --activecnt; |
|
|
1540 | } |
|
|
1541 | |
|
|
1542 | static int loop_done; |
|
|
1543 | |
|
|
1544 | void |
|
|
1545 | ev_loop (EV_P_ int flags) |
2200 | ev_loop (EV_P_ int flags) |
1546 | { |
2201 | { |
1547 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
2202 | #if EV_MINIMAL < 2 |
1548 | ? EVUNLOOP_ONE |
2203 | ++loop_depth; |
1549 | : EVUNLOOP_CANCEL; |
2204 | #endif |
1550 | |
2205 | |
|
|
2206 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
|
|
2207 | |
|
|
2208 | loop_done = EVUNLOOP_CANCEL; |
|
|
2209 | |
1551 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
2210 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
1552 | |
2211 | |
1553 | do |
2212 | do |
1554 | { |
2213 | { |
|
|
2214 | #if EV_VERIFY >= 2 |
|
|
2215 | ev_loop_verify (EV_A); |
|
|
2216 | #endif |
|
|
2217 | |
1555 | #ifndef _WIN32 |
2218 | #ifndef _WIN32 |
1556 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2219 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1557 | if (expect_false (getpid () != curpid)) |
2220 | if (expect_false (getpid () != curpid)) |
1558 | { |
2221 | { |
1559 | curpid = getpid (); |
2222 | curpid = getpid (); |
… | |
… | |
1565 | /* we might have forked, so queue fork handlers */ |
2228 | /* we might have forked, so queue fork handlers */ |
1566 | if (expect_false (postfork)) |
2229 | if (expect_false (postfork)) |
1567 | if (forkcnt) |
2230 | if (forkcnt) |
1568 | { |
2231 | { |
1569 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2232 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1570 | call_pending (EV_A); |
2233 | EV_INVOKE_PENDING; |
1571 | } |
2234 | } |
1572 | #endif |
2235 | #endif |
1573 | |
2236 | |
1574 | /* queue prepare watchers (and execute them) */ |
2237 | /* queue prepare watchers (and execute them) */ |
1575 | if (expect_false (preparecnt)) |
2238 | if (expect_false (preparecnt)) |
1576 | { |
2239 | { |
1577 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2240 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1578 | call_pending (EV_A); |
2241 | EV_INVOKE_PENDING; |
1579 | } |
2242 | } |
1580 | |
2243 | |
1581 | if (expect_false (!activecnt)) |
2244 | if (expect_false (loop_done)) |
1582 | break; |
2245 | break; |
1583 | |
2246 | |
1584 | /* we might have forked, so reify kernel state if necessary */ |
2247 | /* we might have forked, so reify kernel state if necessary */ |
1585 | if (expect_false (postfork)) |
2248 | if (expect_false (postfork)) |
1586 | loop_fork (EV_A); |
2249 | loop_fork (EV_A); |
… | |
… | |
1593 | ev_tstamp waittime = 0.; |
2256 | ev_tstamp waittime = 0.; |
1594 | ev_tstamp sleeptime = 0.; |
2257 | ev_tstamp sleeptime = 0.; |
1595 | |
2258 | |
1596 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2259 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
1597 | { |
2260 | { |
|
|
2261 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2262 | ev_tstamp prev_mn_now = mn_now; |
|
|
2263 | |
1598 | /* update time to cancel out callback processing overhead */ |
2264 | /* update time to cancel out callback processing overhead */ |
1599 | time_update (EV_A_ 1e100); |
2265 | time_update (EV_A_ 1e100); |
1600 | |
2266 | |
1601 | waittime = MAX_BLOCKTIME; |
2267 | waittime = MAX_BLOCKTIME; |
1602 | |
2268 | |
1603 | if (timercnt) |
2269 | if (timercnt) |
1604 | { |
2270 | { |
1605 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
2271 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
1606 | if (waittime > to) waittime = to; |
2272 | if (waittime > to) waittime = to; |
1607 | } |
2273 | } |
1608 | |
2274 | |
1609 | #if EV_PERIODIC_ENABLE |
2275 | #if EV_PERIODIC_ENABLE |
1610 | if (periodiccnt) |
2276 | if (periodiccnt) |
1611 | { |
2277 | { |
1612 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
2278 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1613 | if (waittime > to) waittime = to; |
2279 | if (waittime > to) waittime = to; |
1614 | } |
2280 | } |
1615 | #endif |
2281 | #endif |
1616 | |
2282 | |
|
|
2283 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
1617 | if (expect_false (waittime < timeout_blocktime)) |
2284 | if (expect_false (waittime < timeout_blocktime)) |
1618 | waittime = timeout_blocktime; |
2285 | waittime = timeout_blocktime; |
1619 | |
2286 | |
1620 | sleeptime = waittime - backend_fudge; |
2287 | /* extra check because io_blocktime is commonly 0 */ |
1621 | |
|
|
1622 | if (expect_true (sleeptime > io_blocktime)) |
2288 | if (expect_false (io_blocktime)) |
1623 | sleeptime = io_blocktime; |
|
|
1624 | |
|
|
1625 | if (sleeptime) |
|
|
1626 | { |
2289 | { |
|
|
2290 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
|
|
2291 | |
|
|
2292 | if (sleeptime > waittime - backend_fudge) |
|
|
2293 | sleeptime = waittime - backend_fudge; |
|
|
2294 | |
|
|
2295 | if (expect_true (sleeptime > 0.)) |
|
|
2296 | { |
1627 | ev_sleep (sleeptime); |
2297 | ev_sleep (sleeptime); |
1628 | waittime -= sleeptime; |
2298 | waittime -= sleeptime; |
|
|
2299 | } |
1629 | } |
2300 | } |
1630 | } |
2301 | } |
1631 | |
2302 | |
|
|
2303 | #if EV_MINIMAL < 2 |
1632 | ++loop_count; |
2304 | ++loop_count; |
|
|
2305 | #endif |
|
|
2306 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
1633 | backend_poll (EV_A_ waittime); |
2307 | backend_poll (EV_A_ waittime); |
|
|
2308 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
1634 | |
2309 | |
1635 | /* update ev_rt_now, do magic */ |
2310 | /* update ev_rt_now, do magic */ |
1636 | time_update (EV_A_ waittime + sleeptime); |
2311 | time_update (EV_A_ waittime + sleeptime); |
1637 | } |
2312 | } |
1638 | |
2313 | |
… | |
… | |
1649 | |
2324 | |
1650 | /* queue check watchers, to be executed first */ |
2325 | /* queue check watchers, to be executed first */ |
1651 | if (expect_false (checkcnt)) |
2326 | if (expect_false (checkcnt)) |
1652 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2327 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1653 | |
2328 | |
1654 | call_pending (EV_A); |
2329 | EV_INVOKE_PENDING; |
1655 | |
|
|
1656 | } |
2330 | } |
1657 | while (expect_true (activecnt && !loop_done)); |
2331 | while (expect_true ( |
|
|
2332 | activecnt |
|
|
2333 | && !loop_done |
|
|
2334 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
|
|
2335 | )); |
1658 | |
2336 | |
1659 | if (loop_done == EVUNLOOP_ONE) |
2337 | if (loop_done == EVUNLOOP_ONE) |
1660 | loop_done = EVUNLOOP_CANCEL; |
2338 | loop_done = EVUNLOOP_CANCEL; |
|
|
2339 | |
|
|
2340 | #if EV_MINIMAL < 2 |
|
|
2341 | --loop_depth; |
|
|
2342 | #endif |
1661 | } |
2343 | } |
1662 | |
2344 | |
1663 | void |
2345 | void |
1664 | ev_unloop (EV_P_ int how) |
2346 | ev_unloop (EV_P_ int how) |
1665 | { |
2347 | { |
1666 | loop_done = how; |
2348 | loop_done = how; |
1667 | } |
2349 | } |
1668 | |
2350 | |
|
|
2351 | void |
|
|
2352 | ev_ref (EV_P) |
|
|
2353 | { |
|
|
2354 | ++activecnt; |
|
|
2355 | } |
|
|
2356 | |
|
|
2357 | void |
|
|
2358 | ev_unref (EV_P) |
|
|
2359 | { |
|
|
2360 | --activecnt; |
|
|
2361 | } |
|
|
2362 | |
|
|
2363 | void |
|
|
2364 | ev_now_update (EV_P) |
|
|
2365 | { |
|
|
2366 | time_update (EV_A_ 1e100); |
|
|
2367 | } |
|
|
2368 | |
|
|
2369 | void |
|
|
2370 | ev_suspend (EV_P) |
|
|
2371 | { |
|
|
2372 | ev_now_update (EV_A); |
|
|
2373 | } |
|
|
2374 | |
|
|
2375 | void |
|
|
2376 | ev_resume (EV_P) |
|
|
2377 | { |
|
|
2378 | ev_tstamp mn_prev = mn_now; |
|
|
2379 | |
|
|
2380 | ev_now_update (EV_A); |
|
|
2381 | timers_reschedule (EV_A_ mn_now - mn_prev); |
|
|
2382 | #if EV_PERIODIC_ENABLE |
|
|
2383 | /* TODO: really do this? */ |
|
|
2384 | periodics_reschedule (EV_A); |
|
|
2385 | #endif |
|
|
2386 | } |
|
|
2387 | |
1669 | /*****************************************************************************/ |
2388 | /*****************************************************************************/ |
|
|
2389 | /* singly-linked list management, used when the expected list length is short */ |
1670 | |
2390 | |
1671 | void inline_size |
2391 | inline_size void |
1672 | wlist_add (WL *head, WL elem) |
2392 | wlist_add (WL *head, WL elem) |
1673 | { |
2393 | { |
1674 | elem->next = *head; |
2394 | elem->next = *head; |
1675 | *head = elem; |
2395 | *head = elem; |
1676 | } |
2396 | } |
1677 | |
2397 | |
1678 | void inline_size |
2398 | inline_size void |
1679 | wlist_del (WL *head, WL elem) |
2399 | wlist_del (WL *head, WL elem) |
1680 | { |
2400 | { |
1681 | while (*head) |
2401 | while (*head) |
1682 | { |
2402 | { |
1683 | if (*head == elem) |
2403 | if (expect_true (*head == elem)) |
1684 | { |
2404 | { |
1685 | *head = elem->next; |
2405 | *head = elem->next; |
1686 | return; |
2406 | break; |
1687 | } |
2407 | } |
1688 | |
2408 | |
1689 | head = &(*head)->next; |
2409 | head = &(*head)->next; |
1690 | } |
2410 | } |
1691 | } |
2411 | } |
1692 | |
2412 | |
1693 | void inline_speed |
2413 | /* internal, faster, version of ev_clear_pending */ |
|
|
2414 | inline_speed void |
1694 | clear_pending (EV_P_ W w) |
2415 | clear_pending (EV_P_ W w) |
1695 | { |
2416 | { |
1696 | if (w->pending) |
2417 | if (w->pending) |
1697 | { |
2418 | { |
1698 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
2419 | pendings [ABSPRI (w)][w->pending - 1].w = (W)&pending_w; |
1699 | w->pending = 0; |
2420 | w->pending = 0; |
1700 | } |
2421 | } |
1701 | } |
2422 | } |
1702 | |
2423 | |
1703 | int |
2424 | int |
… | |
… | |
1707 | int pending = w_->pending; |
2428 | int pending = w_->pending; |
1708 | |
2429 | |
1709 | if (expect_true (pending)) |
2430 | if (expect_true (pending)) |
1710 | { |
2431 | { |
1711 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
2432 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
2433 | p->w = (W)&pending_w; |
1712 | w_->pending = 0; |
2434 | w_->pending = 0; |
1713 | p->w = 0; |
|
|
1714 | return p->events; |
2435 | return p->events; |
1715 | } |
2436 | } |
1716 | else |
2437 | else |
1717 | return 0; |
2438 | return 0; |
1718 | } |
2439 | } |
1719 | |
2440 | |
1720 | void inline_size |
2441 | inline_size void |
1721 | pri_adjust (EV_P_ W w) |
2442 | pri_adjust (EV_P_ W w) |
1722 | { |
2443 | { |
1723 | int pri = w->priority; |
2444 | int pri = ev_priority (w); |
1724 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2445 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
1725 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2446 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
1726 | w->priority = pri; |
2447 | ev_set_priority (w, pri); |
1727 | } |
2448 | } |
1728 | |
2449 | |
1729 | void inline_speed |
2450 | inline_speed void |
1730 | ev_start (EV_P_ W w, int active) |
2451 | ev_start (EV_P_ W w, int active) |
1731 | { |
2452 | { |
1732 | pri_adjust (EV_A_ w); |
2453 | pri_adjust (EV_A_ w); |
1733 | w->active = active; |
2454 | w->active = active; |
1734 | ev_ref (EV_A); |
2455 | ev_ref (EV_A); |
1735 | } |
2456 | } |
1736 | |
2457 | |
1737 | void inline_size |
2458 | inline_size void |
1738 | ev_stop (EV_P_ W w) |
2459 | ev_stop (EV_P_ W w) |
1739 | { |
2460 | { |
1740 | ev_unref (EV_A); |
2461 | ev_unref (EV_A); |
1741 | w->active = 0; |
2462 | w->active = 0; |
1742 | } |
2463 | } |
… | |
… | |
1749 | int fd = w->fd; |
2470 | int fd = w->fd; |
1750 | |
2471 | |
1751 | if (expect_false (ev_is_active (w))) |
2472 | if (expect_false (ev_is_active (w))) |
1752 | return; |
2473 | return; |
1753 | |
2474 | |
1754 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2475 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
|
|
2476 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
|
|
2477 | |
|
|
2478 | EV_FREQUENT_CHECK; |
1755 | |
2479 | |
1756 | ev_start (EV_A_ (W)w, 1); |
2480 | ev_start (EV_A_ (W)w, 1); |
1757 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2481 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
1758 | wlist_add (&anfds[fd].head, (WL)w); |
2482 | wlist_add (&anfds[fd].head, (WL)w); |
1759 | |
2483 | |
1760 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2484 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
1761 | w->events &= ~EV_IOFDSET; |
2485 | w->events &= ~EV__IOFDSET; |
|
|
2486 | |
|
|
2487 | EV_FREQUENT_CHECK; |
1762 | } |
2488 | } |
1763 | |
2489 | |
1764 | void noinline |
2490 | void noinline |
1765 | ev_io_stop (EV_P_ ev_io *w) |
2491 | ev_io_stop (EV_P_ ev_io *w) |
1766 | { |
2492 | { |
1767 | clear_pending (EV_A_ (W)w); |
2493 | clear_pending (EV_A_ (W)w); |
1768 | if (expect_false (!ev_is_active (w))) |
2494 | if (expect_false (!ev_is_active (w))) |
1769 | return; |
2495 | return; |
1770 | |
2496 | |
1771 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2497 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
2498 | |
|
|
2499 | EV_FREQUENT_CHECK; |
1772 | |
2500 | |
1773 | wlist_del (&anfds[w->fd].head, (WL)w); |
2501 | wlist_del (&anfds[w->fd].head, (WL)w); |
1774 | ev_stop (EV_A_ (W)w); |
2502 | ev_stop (EV_A_ (W)w); |
1775 | |
2503 | |
1776 | fd_change (EV_A_ w->fd, 1); |
2504 | fd_change (EV_A_ w->fd, 1); |
|
|
2505 | |
|
|
2506 | EV_FREQUENT_CHECK; |
1777 | } |
2507 | } |
1778 | |
2508 | |
1779 | void noinline |
2509 | void noinline |
1780 | ev_timer_start (EV_P_ ev_timer *w) |
2510 | ev_timer_start (EV_P_ ev_timer *w) |
1781 | { |
2511 | { |
1782 | if (expect_false (ev_is_active (w))) |
2512 | if (expect_false (ev_is_active (w))) |
1783 | return; |
2513 | return; |
1784 | |
2514 | |
1785 | ((WT)w)->at += mn_now; |
2515 | ev_at (w) += mn_now; |
1786 | |
2516 | |
1787 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2517 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1788 | |
2518 | |
|
|
2519 | EV_FREQUENT_CHECK; |
|
|
2520 | |
|
|
2521 | ++timercnt; |
1789 | ev_start (EV_A_ (W)w, ++timercnt); |
2522 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
1790 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
2523 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
1791 | timers [timercnt - 1] = (WT)w; |
2524 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
1792 | upheap (timers, timercnt - 1); |
2525 | ANHE_at_cache (timers [ev_active (w)]); |
|
|
2526 | upheap (timers, ev_active (w)); |
1793 | |
2527 | |
|
|
2528 | EV_FREQUENT_CHECK; |
|
|
2529 | |
1794 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
2530 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
1795 | } |
2531 | } |
1796 | |
2532 | |
1797 | void noinline |
2533 | void noinline |
1798 | ev_timer_stop (EV_P_ ev_timer *w) |
2534 | ev_timer_stop (EV_P_ ev_timer *w) |
1799 | { |
2535 | { |
1800 | clear_pending (EV_A_ (W)w); |
2536 | clear_pending (EV_A_ (W)w); |
1801 | if (expect_false (!ev_is_active (w))) |
2537 | if (expect_false (!ev_is_active (w))) |
1802 | return; |
2538 | return; |
1803 | |
2539 | |
1804 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
2540 | EV_FREQUENT_CHECK; |
1805 | |
2541 | |
1806 | { |
2542 | { |
1807 | int active = ((W)w)->active; |
2543 | int active = ev_active (w); |
1808 | |
2544 | |
|
|
2545 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
|
|
2546 | |
|
|
2547 | --timercnt; |
|
|
2548 | |
1809 | if (expect_true (--active < --timercnt)) |
2549 | if (expect_true (active < timercnt + HEAP0)) |
1810 | { |
2550 | { |
1811 | timers [active] = timers [timercnt]; |
2551 | timers [active] = timers [timercnt + HEAP0]; |
1812 | adjustheap (timers, timercnt, active); |
2552 | adjustheap (timers, timercnt, active); |
1813 | } |
2553 | } |
1814 | } |
2554 | } |
1815 | |
2555 | |
1816 | ((WT)w)->at -= mn_now; |
2556 | EV_FREQUENT_CHECK; |
|
|
2557 | |
|
|
2558 | ev_at (w) -= mn_now; |
1817 | |
2559 | |
1818 | ev_stop (EV_A_ (W)w); |
2560 | ev_stop (EV_A_ (W)w); |
1819 | } |
2561 | } |
1820 | |
2562 | |
1821 | void noinline |
2563 | void noinline |
1822 | ev_timer_again (EV_P_ ev_timer *w) |
2564 | ev_timer_again (EV_P_ ev_timer *w) |
1823 | { |
2565 | { |
|
|
2566 | EV_FREQUENT_CHECK; |
|
|
2567 | |
1824 | if (ev_is_active (w)) |
2568 | if (ev_is_active (w)) |
1825 | { |
2569 | { |
1826 | if (w->repeat) |
2570 | if (w->repeat) |
1827 | { |
2571 | { |
1828 | ((WT)w)->at = mn_now + w->repeat; |
2572 | ev_at (w) = mn_now + w->repeat; |
|
|
2573 | ANHE_at_cache (timers [ev_active (w)]); |
1829 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
2574 | adjustheap (timers, timercnt, ev_active (w)); |
1830 | } |
2575 | } |
1831 | else |
2576 | else |
1832 | ev_timer_stop (EV_A_ w); |
2577 | ev_timer_stop (EV_A_ w); |
1833 | } |
2578 | } |
1834 | else if (w->repeat) |
2579 | else if (w->repeat) |
1835 | { |
2580 | { |
1836 | w->at = w->repeat; |
2581 | ev_at (w) = w->repeat; |
1837 | ev_timer_start (EV_A_ w); |
2582 | ev_timer_start (EV_A_ w); |
1838 | } |
2583 | } |
|
|
2584 | |
|
|
2585 | EV_FREQUENT_CHECK; |
|
|
2586 | } |
|
|
2587 | |
|
|
2588 | ev_tstamp |
|
|
2589 | ev_timer_remaining (EV_P_ ev_timer *w) |
|
|
2590 | { |
|
|
2591 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
1839 | } |
2592 | } |
1840 | |
2593 | |
1841 | #if EV_PERIODIC_ENABLE |
2594 | #if EV_PERIODIC_ENABLE |
1842 | void noinline |
2595 | void noinline |
1843 | ev_periodic_start (EV_P_ ev_periodic *w) |
2596 | ev_periodic_start (EV_P_ ev_periodic *w) |
1844 | { |
2597 | { |
1845 | if (expect_false (ev_is_active (w))) |
2598 | if (expect_false (ev_is_active (w))) |
1846 | return; |
2599 | return; |
1847 | |
2600 | |
1848 | if (w->reschedule_cb) |
2601 | if (w->reschedule_cb) |
1849 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
2602 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1850 | else if (w->interval) |
2603 | else if (w->interval) |
1851 | { |
2604 | { |
1852 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2605 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1853 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2606 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1854 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2607 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1855 | } |
2608 | } |
1856 | else |
2609 | else |
1857 | ((WT)w)->at = w->offset; |
2610 | ev_at (w) = w->offset; |
1858 | |
2611 | |
|
|
2612 | EV_FREQUENT_CHECK; |
|
|
2613 | |
|
|
2614 | ++periodiccnt; |
1859 | ev_start (EV_A_ (W)w, ++periodiccnt); |
2615 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
1860 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
2616 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
1861 | periodics [periodiccnt - 1] = (WT)w; |
2617 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
1862 | upheap (periodics, periodiccnt - 1); |
2618 | ANHE_at_cache (periodics [ev_active (w)]); |
|
|
2619 | upheap (periodics, ev_active (w)); |
1863 | |
2620 | |
|
|
2621 | EV_FREQUENT_CHECK; |
|
|
2622 | |
1864 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
2623 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
1865 | } |
2624 | } |
1866 | |
2625 | |
1867 | void noinline |
2626 | void noinline |
1868 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2627 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1869 | { |
2628 | { |
1870 | clear_pending (EV_A_ (W)w); |
2629 | clear_pending (EV_A_ (W)w); |
1871 | if (expect_false (!ev_is_active (w))) |
2630 | if (expect_false (!ev_is_active (w))) |
1872 | return; |
2631 | return; |
1873 | |
2632 | |
1874 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
2633 | EV_FREQUENT_CHECK; |
1875 | |
2634 | |
1876 | { |
2635 | { |
1877 | int active = ((W)w)->active; |
2636 | int active = ev_active (w); |
1878 | |
2637 | |
|
|
2638 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
|
|
2639 | |
|
|
2640 | --periodiccnt; |
|
|
2641 | |
1879 | if (expect_true (--active < --periodiccnt)) |
2642 | if (expect_true (active < periodiccnt + HEAP0)) |
1880 | { |
2643 | { |
1881 | periodics [active] = periodics [periodiccnt]; |
2644 | periodics [active] = periodics [periodiccnt + HEAP0]; |
1882 | adjustheap (periodics, periodiccnt, active); |
2645 | adjustheap (periodics, periodiccnt, active); |
1883 | } |
2646 | } |
1884 | } |
2647 | } |
1885 | |
2648 | |
|
|
2649 | EV_FREQUENT_CHECK; |
|
|
2650 | |
1886 | ev_stop (EV_A_ (W)w); |
2651 | ev_stop (EV_A_ (W)w); |
1887 | } |
2652 | } |
1888 | |
2653 | |
1889 | void noinline |
2654 | void noinline |
1890 | ev_periodic_again (EV_P_ ev_periodic *w) |
2655 | ev_periodic_again (EV_P_ ev_periodic *w) |
… | |
… | |
1900 | #endif |
2665 | #endif |
1901 | |
2666 | |
1902 | void noinline |
2667 | void noinline |
1903 | ev_signal_start (EV_P_ ev_signal *w) |
2668 | ev_signal_start (EV_P_ ev_signal *w) |
1904 | { |
2669 | { |
1905 | #if EV_MULTIPLICITY |
|
|
1906 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
1907 | #endif |
|
|
1908 | if (expect_false (ev_is_active (w))) |
2670 | if (expect_false (ev_is_active (w))) |
1909 | return; |
2671 | return; |
1910 | |
2672 | |
1911 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2673 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
1912 | |
2674 | |
1913 | evpipe_init (EV_A); |
2675 | #if EV_MULTIPLICITY |
|
|
2676 | assert (("libev: a signal must not be attached to two different loops", |
|
|
2677 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
1914 | |
2678 | |
|
|
2679 | signals [w->signum - 1].loop = EV_A; |
|
|
2680 | #endif |
|
|
2681 | |
|
|
2682 | EV_FREQUENT_CHECK; |
|
|
2683 | |
|
|
2684 | #if EV_USE_SIGNALFD |
|
|
2685 | if (sigfd == -2) |
1915 | { |
2686 | { |
1916 | #ifndef _WIN32 |
2687 | sigfd = signalfd (-1, &sigfd_set, SFD_NONBLOCK | SFD_CLOEXEC); |
1917 | sigset_t full, prev; |
2688 | if (sigfd < 0 && errno == EINVAL) |
1918 | sigfillset (&full); |
2689 | sigfd = signalfd (-1, &sigfd_set, 0); /* retry without flags */ |
1919 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
1920 | #endif |
|
|
1921 | |
2690 | |
1922 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
2691 | if (sigfd >= 0) |
|
|
2692 | { |
|
|
2693 | fd_intern (sigfd); /* doing it twice will not hurt */ |
1923 | |
2694 | |
1924 | #ifndef _WIN32 |
2695 | sigemptyset (&sigfd_set); |
1925 | sigprocmask (SIG_SETMASK, &prev, 0); |
2696 | |
1926 | #endif |
2697 | ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ); |
|
|
2698 | ev_set_priority (&sigfd_w, EV_MAXPRI); |
|
|
2699 | ev_io_start (EV_A_ &sigfd_w); |
|
|
2700 | ev_unref (EV_A); /* signalfd watcher should not keep loop alive */ |
|
|
2701 | } |
1927 | } |
2702 | } |
|
|
2703 | |
|
|
2704 | if (sigfd >= 0) |
|
|
2705 | { |
|
|
2706 | /* TODO: check .head */ |
|
|
2707 | sigaddset (&sigfd_set, w->signum); |
|
|
2708 | sigprocmask (SIG_BLOCK, &sigfd_set, 0); |
|
|
2709 | |
|
|
2710 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2711 | } |
|
|
2712 | #endif |
1928 | |
2713 | |
1929 | ev_start (EV_A_ (W)w, 1); |
2714 | ev_start (EV_A_ (W)w, 1); |
1930 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2715 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1931 | |
2716 | |
1932 | if (!((WL)w)->next) |
2717 | if (!((WL)w)->next) |
|
|
2718 | # if EV_USE_SIGNALFD |
|
|
2719 | if (sigfd < 0) /*TODO*/ |
|
|
2720 | # endif |
1933 | { |
2721 | { |
1934 | #if _WIN32 |
2722 | # if _WIN32 |
1935 | signal (w->signum, sighandler); |
2723 | signal (w->signum, ev_sighandler); |
1936 | #else |
2724 | # else |
1937 | struct sigaction sa; |
2725 | struct sigaction sa; |
|
|
2726 | |
|
|
2727 | evpipe_init (EV_A); |
|
|
2728 | |
1938 | sa.sa_handler = sighandler; |
2729 | sa.sa_handler = ev_sighandler; |
1939 | sigfillset (&sa.sa_mask); |
2730 | sigfillset (&sa.sa_mask); |
1940 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2731 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1941 | sigaction (w->signum, &sa, 0); |
2732 | sigaction (w->signum, &sa, 0); |
|
|
2733 | |
|
|
2734 | sigemptyset (&sa.sa_mask); |
|
|
2735 | sigaddset (&sa.sa_mask, w->signum); |
|
|
2736 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
1942 | #endif |
2737 | #endif |
1943 | } |
2738 | } |
|
|
2739 | |
|
|
2740 | EV_FREQUENT_CHECK; |
1944 | } |
2741 | } |
1945 | |
2742 | |
1946 | void noinline |
2743 | void noinline |
1947 | ev_signal_stop (EV_P_ ev_signal *w) |
2744 | ev_signal_stop (EV_P_ ev_signal *w) |
1948 | { |
2745 | { |
1949 | clear_pending (EV_A_ (W)w); |
2746 | clear_pending (EV_A_ (W)w); |
1950 | if (expect_false (!ev_is_active (w))) |
2747 | if (expect_false (!ev_is_active (w))) |
1951 | return; |
2748 | return; |
1952 | |
2749 | |
|
|
2750 | EV_FREQUENT_CHECK; |
|
|
2751 | |
1953 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2752 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1954 | ev_stop (EV_A_ (W)w); |
2753 | ev_stop (EV_A_ (W)w); |
1955 | |
2754 | |
1956 | if (!signals [w->signum - 1].head) |
2755 | if (!signals [w->signum - 1].head) |
|
|
2756 | { |
|
|
2757 | #if EV_MULTIPLICITY |
|
|
2758 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
|
|
2759 | #endif |
|
|
2760 | #if EV_USE_SIGNALFD |
|
|
2761 | if (sigfd >= 0) |
|
|
2762 | { |
|
|
2763 | sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D |
|
|
2764 | sigdelset (&sigfd_set, w->signum); |
|
|
2765 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2766 | sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D |
|
|
2767 | /*TODO: maybe unblock signal? */ |
|
|
2768 | } |
|
|
2769 | else |
|
|
2770 | #endif |
1957 | signal (w->signum, SIG_DFL); |
2771 | signal (w->signum, SIG_DFL); |
|
|
2772 | } |
|
|
2773 | |
|
|
2774 | EV_FREQUENT_CHECK; |
1958 | } |
2775 | } |
1959 | |
2776 | |
1960 | void |
2777 | void |
1961 | ev_child_start (EV_P_ ev_child *w) |
2778 | ev_child_start (EV_P_ ev_child *w) |
1962 | { |
2779 | { |
1963 | #if EV_MULTIPLICITY |
2780 | #if EV_MULTIPLICITY |
1964 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2781 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1965 | #endif |
2782 | #endif |
1966 | if (expect_false (ev_is_active (w))) |
2783 | if (expect_false (ev_is_active (w))) |
1967 | return; |
2784 | return; |
1968 | |
2785 | |
|
|
2786 | EV_FREQUENT_CHECK; |
|
|
2787 | |
1969 | ev_start (EV_A_ (W)w, 1); |
2788 | ev_start (EV_A_ (W)w, 1); |
1970 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2789 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
|
|
2790 | |
|
|
2791 | EV_FREQUENT_CHECK; |
1971 | } |
2792 | } |
1972 | |
2793 | |
1973 | void |
2794 | void |
1974 | ev_child_stop (EV_P_ ev_child *w) |
2795 | ev_child_stop (EV_P_ ev_child *w) |
1975 | { |
2796 | { |
1976 | clear_pending (EV_A_ (W)w); |
2797 | clear_pending (EV_A_ (W)w); |
1977 | if (expect_false (!ev_is_active (w))) |
2798 | if (expect_false (!ev_is_active (w))) |
1978 | return; |
2799 | return; |
1979 | |
2800 | |
|
|
2801 | EV_FREQUENT_CHECK; |
|
|
2802 | |
1980 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2803 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1981 | ev_stop (EV_A_ (W)w); |
2804 | ev_stop (EV_A_ (W)w); |
|
|
2805 | |
|
|
2806 | EV_FREQUENT_CHECK; |
1982 | } |
2807 | } |
1983 | |
2808 | |
1984 | #if EV_STAT_ENABLE |
2809 | #if EV_STAT_ENABLE |
1985 | |
2810 | |
1986 | # ifdef _WIN32 |
2811 | # ifdef _WIN32 |
1987 | # undef lstat |
2812 | # undef lstat |
1988 | # define lstat(a,b) _stati64 (a,b) |
2813 | # define lstat(a,b) _stati64 (a,b) |
1989 | # endif |
2814 | # endif |
1990 | |
2815 | |
1991 | #define DEF_STAT_INTERVAL 5.0074891 |
2816 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
2817 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
1992 | #define MIN_STAT_INTERVAL 0.1074891 |
2818 | #define MIN_STAT_INTERVAL 0.1074891 |
1993 | |
2819 | |
1994 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2820 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
1995 | |
2821 | |
1996 | #if EV_USE_INOTIFY |
2822 | #if EV_USE_INOTIFY |
1997 | # define EV_INOTIFY_BUFSIZE 8192 |
2823 | # define EV_INOTIFY_BUFSIZE 8192 |
… | |
… | |
2001 | { |
2827 | { |
2002 | 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); |
2828 | 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); |
2003 | |
2829 | |
2004 | if (w->wd < 0) |
2830 | if (w->wd < 0) |
2005 | { |
2831 | { |
|
|
2832 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2006 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2833 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2007 | |
2834 | |
2008 | /* monitor some parent directory for speedup hints */ |
2835 | /* monitor some parent directory for speedup hints */ |
|
|
2836 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
|
|
2837 | /* but an efficiency issue only */ |
2009 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2838 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2010 | { |
2839 | { |
2011 | char path [4096]; |
2840 | char path [4096]; |
2012 | strcpy (path, w->path); |
2841 | strcpy (path, w->path); |
2013 | |
2842 | |
… | |
… | |
2016 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2845 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2017 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2846 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2018 | |
2847 | |
2019 | char *pend = strrchr (path, '/'); |
2848 | char *pend = strrchr (path, '/'); |
2020 | |
2849 | |
2021 | if (!pend) |
2850 | if (!pend || pend == path) |
2022 | break; /* whoops, no '/', complain to your admin */ |
2851 | break; |
2023 | |
2852 | |
2024 | *pend = 0; |
2853 | *pend = 0; |
2025 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2854 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2026 | } |
2855 | } |
2027 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2856 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2028 | } |
2857 | } |
2029 | } |
2858 | } |
2030 | else |
|
|
2031 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
2032 | |
2859 | |
2033 | if (w->wd >= 0) |
2860 | if (w->wd >= 0) |
|
|
2861 | { |
2034 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2862 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
2863 | |
|
|
2864 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2865 | /* unless the filesystem it known to be local, we therefore still poll */ |
|
|
2866 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2867 | struct statfs sfs; |
|
|
2868 | |
|
|
2869 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2870 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2871 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2872 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2873 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2874 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2875 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2876 | return; |
|
|
2877 | |
|
|
2878 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2879 | ev_timer_again (EV_A_ &w->timer); |
|
|
2880 | } |
2035 | } |
2881 | } |
2036 | |
2882 | |
2037 | static void noinline |
2883 | static void noinline |
2038 | infy_del (EV_P_ ev_stat *w) |
2884 | infy_del (EV_P_ ev_stat *w) |
2039 | { |
2885 | { |
… | |
… | |
2053 | |
2899 | |
2054 | static void noinline |
2900 | static void noinline |
2055 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2901 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2056 | { |
2902 | { |
2057 | if (slot < 0) |
2903 | if (slot < 0) |
2058 | /* overflow, need to check for all hahs slots */ |
2904 | /* overflow, need to check for all hash slots */ |
2059 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2905 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2060 | infy_wd (EV_A_ slot, wd, ev); |
2906 | infy_wd (EV_A_ slot, wd, ev); |
2061 | else |
2907 | else |
2062 | { |
2908 | { |
2063 | WL w_; |
2909 | WL w_; |
… | |
… | |
2069 | |
2915 | |
2070 | if (w->wd == wd || wd == -1) |
2916 | if (w->wd == wd || wd == -1) |
2071 | { |
2917 | { |
2072 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2918 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2073 | { |
2919 | { |
|
|
2920 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2074 | w->wd = -1; |
2921 | w->wd = -1; |
2075 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2922 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2076 | } |
2923 | } |
2077 | |
2924 | |
2078 | stat_timer_cb (EV_A_ &w->timer, 0); |
2925 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2091 | |
2938 | |
2092 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2939 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2093 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2940 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2094 | } |
2941 | } |
2095 | |
2942 | |
2096 | void inline_size |
2943 | inline_size void |
|
|
2944 | check_2625 (EV_P) |
|
|
2945 | { |
|
|
2946 | /* kernels < 2.6.25 are borked |
|
|
2947 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
|
|
2948 | */ |
|
|
2949 | struct utsname buf; |
|
|
2950 | int major, minor, micro; |
|
|
2951 | |
|
|
2952 | if (uname (&buf)) |
|
|
2953 | return; |
|
|
2954 | |
|
|
2955 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2956 | return; |
|
|
2957 | |
|
|
2958 | if (major < 2 |
|
|
2959 | || (major == 2 && minor < 6) |
|
|
2960 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2961 | return; |
|
|
2962 | |
|
|
2963 | fs_2625 = 1; |
|
|
2964 | } |
|
|
2965 | |
|
|
2966 | inline_size void |
2097 | infy_init (EV_P) |
2967 | infy_init (EV_P) |
2098 | { |
2968 | { |
2099 | if (fs_fd != -2) |
2969 | if (fs_fd != -2) |
2100 | return; |
2970 | return; |
|
|
2971 | |
|
|
2972 | fs_fd = -1; |
|
|
2973 | |
|
|
2974 | check_2625 (EV_A); |
2101 | |
2975 | |
2102 | fs_fd = inotify_init (); |
2976 | fs_fd = inotify_init (); |
2103 | |
2977 | |
2104 | if (fs_fd >= 0) |
2978 | if (fs_fd >= 0) |
2105 | { |
2979 | { |
… | |
… | |
2107 | ev_set_priority (&fs_w, EV_MAXPRI); |
2981 | ev_set_priority (&fs_w, EV_MAXPRI); |
2108 | ev_io_start (EV_A_ &fs_w); |
2982 | ev_io_start (EV_A_ &fs_w); |
2109 | } |
2983 | } |
2110 | } |
2984 | } |
2111 | |
2985 | |
2112 | void inline_size |
2986 | inline_size void |
2113 | infy_fork (EV_P) |
2987 | infy_fork (EV_P) |
2114 | { |
2988 | { |
2115 | int slot; |
2989 | int slot; |
2116 | |
2990 | |
2117 | if (fs_fd < 0) |
2991 | if (fs_fd < 0) |
… | |
… | |
2133 | w->wd = -1; |
3007 | w->wd = -1; |
2134 | |
3008 | |
2135 | if (fs_fd >= 0) |
3009 | if (fs_fd >= 0) |
2136 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3010 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2137 | else |
3011 | else |
2138 | ev_timer_start (EV_A_ &w->timer); |
3012 | ev_timer_again (EV_A_ &w->timer); |
2139 | } |
3013 | } |
2140 | |
|
|
2141 | } |
3014 | } |
2142 | } |
3015 | } |
2143 | |
3016 | |
|
|
3017 | #endif |
|
|
3018 | |
|
|
3019 | #ifdef _WIN32 |
|
|
3020 | # define EV_LSTAT(p,b) _stati64 (p, b) |
|
|
3021 | #else |
|
|
3022 | # define EV_LSTAT(p,b) lstat (p, b) |
2144 | #endif |
3023 | #endif |
2145 | |
3024 | |
2146 | void |
3025 | void |
2147 | ev_stat_stat (EV_P_ ev_stat *w) |
3026 | ev_stat_stat (EV_P_ ev_stat *w) |
2148 | { |
3027 | { |
… | |
… | |
2175 | || w->prev.st_atime != w->attr.st_atime |
3054 | || w->prev.st_atime != w->attr.st_atime |
2176 | || w->prev.st_mtime != w->attr.st_mtime |
3055 | || w->prev.st_mtime != w->attr.st_mtime |
2177 | || w->prev.st_ctime != w->attr.st_ctime |
3056 | || w->prev.st_ctime != w->attr.st_ctime |
2178 | ) { |
3057 | ) { |
2179 | #if EV_USE_INOTIFY |
3058 | #if EV_USE_INOTIFY |
|
|
3059 | if (fs_fd >= 0) |
|
|
3060 | { |
2180 | infy_del (EV_A_ w); |
3061 | infy_del (EV_A_ w); |
2181 | infy_add (EV_A_ w); |
3062 | infy_add (EV_A_ w); |
2182 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
3063 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
3064 | } |
2183 | #endif |
3065 | #endif |
2184 | |
3066 | |
2185 | ev_feed_event (EV_A_ w, EV_STAT); |
3067 | ev_feed_event (EV_A_ w, EV_STAT); |
2186 | } |
3068 | } |
2187 | } |
3069 | } |
… | |
… | |
2190 | ev_stat_start (EV_P_ ev_stat *w) |
3072 | ev_stat_start (EV_P_ ev_stat *w) |
2191 | { |
3073 | { |
2192 | if (expect_false (ev_is_active (w))) |
3074 | if (expect_false (ev_is_active (w))) |
2193 | return; |
3075 | return; |
2194 | |
3076 | |
2195 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2196 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2197 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2198 | |
|
|
2199 | ev_stat_stat (EV_A_ w); |
3077 | ev_stat_stat (EV_A_ w); |
2200 | |
3078 | |
|
|
3079 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
2201 | if (w->interval < MIN_STAT_INTERVAL) |
3080 | w->interval = MIN_STAT_INTERVAL; |
2202 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2203 | |
3081 | |
2204 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
3082 | ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL); |
2205 | ev_set_priority (&w->timer, ev_priority (w)); |
3083 | ev_set_priority (&w->timer, ev_priority (w)); |
2206 | |
3084 | |
2207 | #if EV_USE_INOTIFY |
3085 | #if EV_USE_INOTIFY |
2208 | infy_init (EV_A); |
3086 | infy_init (EV_A); |
2209 | |
3087 | |
2210 | if (fs_fd >= 0) |
3088 | if (fs_fd >= 0) |
2211 | infy_add (EV_A_ w); |
3089 | infy_add (EV_A_ w); |
2212 | else |
3090 | else |
2213 | #endif |
3091 | #endif |
2214 | ev_timer_start (EV_A_ &w->timer); |
3092 | ev_timer_again (EV_A_ &w->timer); |
2215 | |
3093 | |
2216 | ev_start (EV_A_ (W)w, 1); |
3094 | ev_start (EV_A_ (W)w, 1); |
|
|
3095 | |
|
|
3096 | EV_FREQUENT_CHECK; |
2217 | } |
3097 | } |
2218 | |
3098 | |
2219 | void |
3099 | void |
2220 | ev_stat_stop (EV_P_ ev_stat *w) |
3100 | ev_stat_stop (EV_P_ ev_stat *w) |
2221 | { |
3101 | { |
2222 | clear_pending (EV_A_ (W)w); |
3102 | clear_pending (EV_A_ (W)w); |
2223 | if (expect_false (!ev_is_active (w))) |
3103 | if (expect_false (!ev_is_active (w))) |
2224 | return; |
3104 | return; |
2225 | |
3105 | |
|
|
3106 | EV_FREQUENT_CHECK; |
|
|
3107 | |
2226 | #if EV_USE_INOTIFY |
3108 | #if EV_USE_INOTIFY |
2227 | infy_del (EV_A_ w); |
3109 | infy_del (EV_A_ w); |
2228 | #endif |
3110 | #endif |
2229 | ev_timer_stop (EV_A_ &w->timer); |
3111 | ev_timer_stop (EV_A_ &w->timer); |
2230 | |
3112 | |
2231 | ev_stop (EV_A_ (W)w); |
3113 | ev_stop (EV_A_ (W)w); |
|
|
3114 | |
|
|
3115 | EV_FREQUENT_CHECK; |
2232 | } |
3116 | } |
2233 | #endif |
3117 | #endif |
2234 | |
3118 | |
2235 | #if EV_IDLE_ENABLE |
3119 | #if EV_IDLE_ENABLE |
2236 | void |
3120 | void |
… | |
… | |
2238 | { |
3122 | { |
2239 | if (expect_false (ev_is_active (w))) |
3123 | if (expect_false (ev_is_active (w))) |
2240 | return; |
3124 | return; |
2241 | |
3125 | |
2242 | pri_adjust (EV_A_ (W)w); |
3126 | pri_adjust (EV_A_ (W)w); |
|
|
3127 | |
|
|
3128 | EV_FREQUENT_CHECK; |
2243 | |
3129 | |
2244 | { |
3130 | { |
2245 | int active = ++idlecnt [ABSPRI (w)]; |
3131 | int active = ++idlecnt [ABSPRI (w)]; |
2246 | |
3132 | |
2247 | ++idleall; |
3133 | ++idleall; |
2248 | ev_start (EV_A_ (W)w, active); |
3134 | ev_start (EV_A_ (W)w, active); |
2249 | |
3135 | |
2250 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
3136 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2251 | idles [ABSPRI (w)][active - 1] = w; |
3137 | idles [ABSPRI (w)][active - 1] = w; |
2252 | } |
3138 | } |
|
|
3139 | |
|
|
3140 | EV_FREQUENT_CHECK; |
2253 | } |
3141 | } |
2254 | |
3142 | |
2255 | void |
3143 | void |
2256 | ev_idle_stop (EV_P_ ev_idle *w) |
3144 | ev_idle_stop (EV_P_ ev_idle *w) |
2257 | { |
3145 | { |
2258 | clear_pending (EV_A_ (W)w); |
3146 | clear_pending (EV_A_ (W)w); |
2259 | if (expect_false (!ev_is_active (w))) |
3147 | if (expect_false (!ev_is_active (w))) |
2260 | return; |
3148 | return; |
2261 | |
3149 | |
|
|
3150 | EV_FREQUENT_CHECK; |
|
|
3151 | |
2262 | { |
3152 | { |
2263 | int active = ((W)w)->active; |
3153 | int active = ev_active (w); |
2264 | |
3154 | |
2265 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
3155 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2266 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
3156 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2267 | |
3157 | |
2268 | ev_stop (EV_A_ (W)w); |
3158 | ev_stop (EV_A_ (W)w); |
2269 | --idleall; |
3159 | --idleall; |
2270 | } |
3160 | } |
|
|
3161 | |
|
|
3162 | EV_FREQUENT_CHECK; |
2271 | } |
3163 | } |
2272 | #endif |
3164 | #endif |
2273 | |
3165 | |
2274 | void |
3166 | void |
2275 | ev_prepare_start (EV_P_ ev_prepare *w) |
3167 | ev_prepare_start (EV_P_ ev_prepare *w) |
2276 | { |
3168 | { |
2277 | if (expect_false (ev_is_active (w))) |
3169 | if (expect_false (ev_is_active (w))) |
2278 | return; |
3170 | return; |
|
|
3171 | |
|
|
3172 | EV_FREQUENT_CHECK; |
2279 | |
3173 | |
2280 | ev_start (EV_A_ (W)w, ++preparecnt); |
3174 | ev_start (EV_A_ (W)w, ++preparecnt); |
2281 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
3175 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2282 | prepares [preparecnt - 1] = w; |
3176 | prepares [preparecnt - 1] = w; |
|
|
3177 | |
|
|
3178 | EV_FREQUENT_CHECK; |
2283 | } |
3179 | } |
2284 | |
3180 | |
2285 | void |
3181 | void |
2286 | ev_prepare_stop (EV_P_ ev_prepare *w) |
3182 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2287 | { |
3183 | { |
2288 | clear_pending (EV_A_ (W)w); |
3184 | clear_pending (EV_A_ (W)w); |
2289 | if (expect_false (!ev_is_active (w))) |
3185 | if (expect_false (!ev_is_active (w))) |
2290 | return; |
3186 | return; |
2291 | |
3187 | |
|
|
3188 | EV_FREQUENT_CHECK; |
|
|
3189 | |
2292 | { |
3190 | { |
2293 | int active = ((W)w)->active; |
3191 | int active = ev_active (w); |
|
|
3192 | |
2294 | prepares [active - 1] = prepares [--preparecnt]; |
3193 | prepares [active - 1] = prepares [--preparecnt]; |
2295 | ((W)prepares [active - 1])->active = active; |
3194 | ev_active (prepares [active - 1]) = active; |
2296 | } |
3195 | } |
2297 | |
3196 | |
2298 | ev_stop (EV_A_ (W)w); |
3197 | ev_stop (EV_A_ (W)w); |
|
|
3198 | |
|
|
3199 | EV_FREQUENT_CHECK; |
2299 | } |
3200 | } |
2300 | |
3201 | |
2301 | void |
3202 | void |
2302 | ev_check_start (EV_P_ ev_check *w) |
3203 | ev_check_start (EV_P_ ev_check *w) |
2303 | { |
3204 | { |
2304 | if (expect_false (ev_is_active (w))) |
3205 | if (expect_false (ev_is_active (w))) |
2305 | return; |
3206 | return; |
|
|
3207 | |
|
|
3208 | EV_FREQUENT_CHECK; |
2306 | |
3209 | |
2307 | ev_start (EV_A_ (W)w, ++checkcnt); |
3210 | ev_start (EV_A_ (W)w, ++checkcnt); |
2308 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
3211 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2309 | checks [checkcnt - 1] = w; |
3212 | checks [checkcnt - 1] = w; |
|
|
3213 | |
|
|
3214 | EV_FREQUENT_CHECK; |
2310 | } |
3215 | } |
2311 | |
3216 | |
2312 | void |
3217 | void |
2313 | ev_check_stop (EV_P_ ev_check *w) |
3218 | ev_check_stop (EV_P_ ev_check *w) |
2314 | { |
3219 | { |
2315 | clear_pending (EV_A_ (W)w); |
3220 | clear_pending (EV_A_ (W)w); |
2316 | if (expect_false (!ev_is_active (w))) |
3221 | if (expect_false (!ev_is_active (w))) |
2317 | return; |
3222 | return; |
2318 | |
3223 | |
|
|
3224 | EV_FREQUENT_CHECK; |
|
|
3225 | |
2319 | { |
3226 | { |
2320 | int active = ((W)w)->active; |
3227 | int active = ev_active (w); |
|
|
3228 | |
2321 | checks [active - 1] = checks [--checkcnt]; |
3229 | checks [active - 1] = checks [--checkcnt]; |
2322 | ((W)checks [active - 1])->active = active; |
3230 | ev_active (checks [active - 1]) = active; |
2323 | } |
3231 | } |
2324 | |
3232 | |
2325 | ev_stop (EV_A_ (W)w); |
3233 | ev_stop (EV_A_ (W)w); |
|
|
3234 | |
|
|
3235 | EV_FREQUENT_CHECK; |
2326 | } |
3236 | } |
2327 | |
3237 | |
2328 | #if EV_EMBED_ENABLE |
3238 | #if EV_EMBED_ENABLE |
2329 | void noinline |
3239 | void noinline |
2330 | ev_embed_sweep (EV_P_ ev_embed *w) |
3240 | ev_embed_sweep (EV_P_ ev_embed *w) |
… | |
… | |
2347 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3257 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
2348 | { |
3258 | { |
2349 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3259 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
2350 | |
3260 | |
2351 | { |
3261 | { |
2352 | struct ev_loop *loop = w->other; |
3262 | EV_P = w->other; |
2353 | |
3263 | |
2354 | while (fdchangecnt) |
3264 | while (fdchangecnt) |
2355 | { |
3265 | { |
2356 | fd_reify (EV_A); |
3266 | fd_reify (EV_A); |
2357 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3267 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2358 | } |
3268 | } |
2359 | } |
3269 | } |
2360 | } |
3270 | } |
2361 | |
3271 | |
|
|
3272 | static void |
|
|
3273 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
|
|
3274 | { |
|
|
3275 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
|
|
3276 | |
|
|
3277 | ev_embed_stop (EV_A_ w); |
|
|
3278 | |
|
|
3279 | { |
|
|
3280 | EV_P = w->other; |
|
|
3281 | |
|
|
3282 | ev_loop_fork (EV_A); |
|
|
3283 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
|
|
3284 | } |
|
|
3285 | |
|
|
3286 | ev_embed_start (EV_A_ w); |
|
|
3287 | } |
|
|
3288 | |
2362 | #if 0 |
3289 | #if 0 |
2363 | static void |
3290 | static void |
2364 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
3291 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2365 | { |
3292 | { |
2366 | ev_idle_stop (EV_A_ idle); |
3293 | ev_idle_stop (EV_A_ idle); |
… | |
… | |
2372 | { |
3299 | { |
2373 | if (expect_false (ev_is_active (w))) |
3300 | if (expect_false (ev_is_active (w))) |
2374 | return; |
3301 | return; |
2375 | |
3302 | |
2376 | { |
3303 | { |
2377 | struct ev_loop *loop = w->other; |
3304 | EV_P = w->other; |
2378 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3305 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2379 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3306 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2380 | } |
3307 | } |
|
|
3308 | |
|
|
3309 | EV_FREQUENT_CHECK; |
2381 | |
3310 | |
2382 | ev_set_priority (&w->io, ev_priority (w)); |
3311 | ev_set_priority (&w->io, ev_priority (w)); |
2383 | ev_io_start (EV_A_ &w->io); |
3312 | ev_io_start (EV_A_ &w->io); |
2384 | |
3313 | |
2385 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
3314 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2386 | ev_set_priority (&w->prepare, EV_MINPRI); |
3315 | ev_set_priority (&w->prepare, EV_MINPRI); |
2387 | ev_prepare_start (EV_A_ &w->prepare); |
3316 | ev_prepare_start (EV_A_ &w->prepare); |
2388 | |
3317 | |
|
|
3318 | ev_fork_init (&w->fork, embed_fork_cb); |
|
|
3319 | ev_fork_start (EV_A_ &w->fork); |
|
|
3320 | |
2389 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
3321 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2390 | |
3322 | |
2391 | ev_start (EV_A_ (W)w, 1); |
3323 | ev_start (EV_A_ (W)w, 1); |
|
|
3324 | |
|
|
3325 | EV_FREQUENT_CHECK; |
2392 | } |
3326 | } |
2393 | |
3327 | |
2394 | void |
3328 | void |
2395 | ev_embed_stop (EV_P_ ev_embed *w) |
3329 | ev_embed_stop (EV_P_ ev_embed *w) |
2396 | { |
3330 | { |
2397 | clear_pending (EV_A_ (W)w); |
3331 | clear_pending (EV_A_ (W)w); |
2398 | if (expect_false (!ev_is_active (w))) |
3332 | if (expect_false (!ev_is_active (w))) |
2399 | return; |
3333 | return; |
2400 | |
3334 | |
|
|
3335 | EV_FREQUENT_CHECK; |
|
|
3336 | |
2401 | ev_io_stop (EV_A_ &w->io); |
3337 | ev_io_stop (EV_A_ &w->io); |
2402 | ev_prepare_stop (EV_A_ &w->prepare); |
3338 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
3339 | ev_fork_stop (EV_A_ &w->fork); |
2403 | |
3340 | |
2404 | ev_stop (EV_A_ (W)w); |
3341 | EV_FREQUENT_CHECK; |
2405 | } |
3342 | } |
2406 | #endif |
3343 | #endif |
2407 | |
3344 | |
2408 | #if EV_FORK_ENABLE |
3345 | #if EV_FORK_ENABLE |
2409 | void |
3346 | void |
2410 | ev_fork_start (EV_P_ ev_fork *w) |
3347 | ev_fork_start (EV_P_ ev_fork *w) |
2411 | { |
3348 | { |
2412 | if (expect_false (ev_is_active (w))) |
3349 | if (expect_false (ev_is_active (w))) |
2413 | return; |
3350 | return; |
|
|
3351 | |
|
|
3352 | EV_FREQUENT_CHECK; |
2414 | |
3353 | |
2415 | ev_start (EV_A_ (W)w, ++forkcnt); |
3354 | ev_start (EV_A_ (W)w, ++forkcnt); |
2416 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
3355 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2417 | forks [forkcnt - 1] = w; |
3356 | forks [forkcnt - 1] = w; |
|
|
3357 | |
|
|
3358 | EV_FREQUENT_CHECK; |
2418 | } |
3359 | } |
2419 | |
3360 | |
2420 | void |
3361 | void |
2421 | ev_fork_stop (EV_P_ ev_fork *w) |
3362 | ev_fork_stop (EV_P_ ev_fork *w) |
2422 | { |
3363 | { |
2423 | clear_pending (EV_A_ (W)w); |
3364 | clear_pending (EV_A_ (W)w); |
2424 | if (expect_false (!ev_is_active (w))) |
3365 | if (expect_false (!ev_is_active (w))) |
2425 | return; |
3366 | return; |
2426 | |
3367 | |
|
|
3368 | EV_FREQUENT_CHECK; |
|
|
3369 | |
2427 | { |
3370 | { |
2428 | int active = ((W)w)->active; |
3371 | int active = ev_active (w); |
|
|
3372 | |
2429 | forks [active - 1] = forks [--forkcnt]; |
3373 | forks [active - 1] = forks [--forkcnt]; |
2430 | ((W)forks [active - 1])->active = active; |
3374 | ev_active (forks [active - 1]) = active; |
2431 | } |
3375 | } |
2432 | |
3376 | |
2433 | ev_stop (EV_A_ (W)w); |
3377 | ev_stop (EV_A_ (W)w); |
|
|
3378 | |
|
|
3379 | EV_FREQUENT_CHECK; |
2434 | } |
3380 | } |
2435 | #endif |
3381 | #endif |
2436 | |
3382 | |
2437 | #if EV_ASYNC_ENABLE |
3383 | #if EV_ASYNC_ENABLE |
2438 | void |
3384 | void |
… | |
… | |
2440 | { |
3386 | { |
2441 | if (expect_false (ev_is_active (w))) |
3387 | if (expect_false (ev_is_active (w))) |
2442 | return; |
3388 | return; |
2443 | |
3389 | |
2444 | evpipe_init (EV_A); |
3390 | evpipe_init (EV_A); |
|
|
3391 | |
|
|
3392 | EV_FREQUENT_CHECK; |
2445 | |
3393 | |
2446 | ev_start (EV_A_ (W)w, ++asynccnt); |
3394 | ev_start (EV_A_ (W)w, ++asynccnt); |
2447 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
3395 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
2448 | asyncs [asynccnt - 1] = w; |
3396 | asyncs [asynccnt - 1] = w; |
|
|
3397 | |
|
|
3398 | EV_FREQUENT_CHECK; |
2449 | } |
3399 | } |
2450 | |
3400 | |
2451 | void |
3401 | void |
2452 | ev_async_stop (EV_P_ ev_async *w) |
3402 | ev_async_stop (EV_P_ ev_async *w) |
2453 | { |
3403 | { |
2454 | clear_pending (EV_A_ (W)w); |
3404 | clear_pending (EV_A_ (W)w); |
2455 | if (expect_false (!ev_is_active (w))) |
3405 | if (expect_false (!ev_is_active (w))) |
2456 | return; |
3406 | return; |
2457 | |
3407 | |
|
|
3408 | EV_FREQUENT_CHECK; |
|
|
3409 | |
2458 | { |
3410 | { |
2459 | int active = ((W)w)->active; |
3411 | int active = ev_active (w); |
|
|
3412 | |
2460 | asyncs [active - 1] = asyncs [--asynccnt]; |
3413 | asyncs [active - 1] = asyncs [--asynccnt]; |
2461 | ((W)asyncs [active - 1])->active = active; |
3414 | ev_active (asyncs [active - 1]) = active; |
2462 | } |
3415 | } |
2463 | |
3416 | |
2464 | ev_stop (EV_A_ (W)w); |
3417 | ev_stop (EV_A_ (W)w); |
|
|
3418 | |
|
|
3419 | EV_FREQUENT_CHECK; |
2465 | } |
3420 | } |
2466 | |
3421 | |
2467 | void |
3422 | void |
2468 | ev_async_send (EV_P_ ev_async *w) |
3423 | ev_async_send (EV_P_ ev_async *w) |
2469 | { |
3424 | { |
2470 | w->sent = 1; |
3425 | w->sent = 1; |
2471 | evpipe_write (EV_A_ &gotasync); |
3426 | evpipe_write (EV_A_ &async_pending); |
2472 | } |
3427 | } |
2473 | #endif |
3428 | #endif |
2474 | |
3429 | |
2475 | /*****************************************************************************/ |
3430 | /*****************************************************************************/ |
2476 | |
3431 | |
… | |
… | |
2486 | once_cb (EV_P_ struct ev_once *once, int revents) |
3441 | once_cb (EV_P_ struct ev_once *once, int revents) |
2487 | { |
3442 | { |
2488 | void (*cb)(int revents, void *arg) = once->cb; |
3443 | void (*cb)(int revents, void *arg) = once->cb; |
2489 | void *arg = once->arg; |
3444 | void *arg = once->arg; |
2490 | |
3445 | |
2491 | ev_io_stop (EV_A_ &once->io); |
3446 | ev_io_stop (EV_A_ &once->io); |
2492 | ev_timer_stop (EV_A_ &once->to); |
3447 | ev_timer_stop (EV_A_ &once->to); |
2493 | ev_free (once); |
3448 | ev_free (once); |
2494 | |
3449 | |
2495 | cb (revents, arg); |
3450 | cb (revents, arg); |
2496 | } |
3451 | } |
2497 | |
3452 | |
2498 | static void |
3453 | static void |
2499 | once_cb_io (EV_P_ ev_io *w, int revents) |
3454 | once_cb_io (EV_P_ ev_io *w, int revents) |
2500 | { |
3455 | { |
2501 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
3456 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)); |
|
|
3457 | |
|
|
3458 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to)); |
2502 | } |
3459 | } |
2503 | |
3460 | |
2504 | static void |
3461 | static void |
2505 | once_cb_to (EV_P_ ev_timer *w, int revents) |
3462 | once_cb_to (EV_P_ ev_timer *w, int revents) |
2506 | { |
3463 | { |
2507 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
3464 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)); |
|
|
3465 | |
|
|
3466 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
2508 | } |
3467 | } |
2509 | |
3468 | |
2510 | void |
3469 | void |
2511 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
3470 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2512 | { |
3471 | { |
… | |
… | |
2534 | ev_timer_set (&once->to, timeout, 0.); |
3493 | ev_timer_set (&once->to, timeout, 0.); |
2535 | ev_timer_start (EV_A_ &once->to); |
3494 | ev_timer_start (EV_A_ &once->to); |
2536 | } |
3495 | } |
2537 | } |
3496 | } |
2538 | |
3497 | |
|
|
3498 | /*****************************************************************************/ |
|
|
3499 | |
|
|
3500 | #if EV_WALK_ENABLE |
|
|
3501 | void |
|
|
3502 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
|
|
3503 | { |
|
|
3504 | int i, j; |
|
|
3505 | ev_watcher_list *wl, *wn; |
|
|
3506 | |
|
|
3507 | if (types & (EV_IO | EV_EMBED)) |
|
|
3508 | for (i = 0; i < anfdmax; ++i) |
|
|
3509 | for (wl = anfds [i].head; wl; ) |
|
|
3510 | { |
|
|
3511 | wn = wl->next; |
|
|
3512 | |
|
|
3513 | #if EV_EMBED_ENABLE |
|
|
3514 | if (ev_cb ((ev_io *)wl) == embed_io_cb) |
|
|
3515 | { |
|
|
3516 | if (types & EV_EMBED) |
|
|
3517 | cb (EV_A_ EV_EMBED, ((char *)wl) - offsetof (struct ev_embed, io)); |
|
|
3518 | } |
|
|
3519 | else |
|
|
3520 | #endif |
|
|
3521 | #if EV_USE_INOTIFY |
|
|
3522 | if (ev_cb ((ev_io *)wl) == infy_cb) |
|
|
3523 | ; |
|
|
3524 | else |
|
|
3525 | #endif |
|
|
3526 | if ((ev_io *)wl != &pipe_w) |
|
|
3527 | if (types & EV_IO) |
|
|
3528 | cb (EV_A_ EV_IO, wl); |
|
|
3529 | |
|
|
3530 | wl = wn; |
|
|
3531 | } |
|
|
3532 | |
|
|
3533 | if (types & (EV_TIMER | EV_STAT)) |
|
|
3534 | for (i = timercnt + HEAP0; i-- > HEAP0; ) |
|
|
3535 | #if EV_STAT_ENABLE |
|
|
3536 | /*TODO: timer is not always active*/ |
|
|
3537 | if (ev_cb ((ev_timer *)ANHE_w (timers [i])) == stat_timer_cb) |
|
|
3538 | { |
|
|
3539 | if (types & EV_STAT) |
|
|
3540 | cb (EV_A_ EV_STAT, ((char *)ANHE_w (timers [i])) - offsetof (struct ev_stat, timer)); |
|
|
3541 | } |
|
|
3542 | else |
|
|
3543 | #endif |
|
|
3544 | if (types & EV_TIMER) |
|
|
3545 | cb (EV_A_ EV_TIMER, ANHE_w (timers [i])); |
|
|
3546 | |
|
|
3547 | #if EV_PERIODIC_ENABLE |
|
|
3548 | if (types & EV_PERIODIC) |
|
|
3549 | for (i = periodiccnt + HEAP0; i-- > HEAP0; ) |
|
|
3550 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
|
|
3551 | #endif |
|
|
3552 | |
|
|
3553 | #if EV_IDLE_ENABLE |
|
|
3554 | if (types & EV_IDLE) |
|
|
3555 | for (j = NUMPRI; i--; ) |
|
|
3556 | for (i = idlecnt [j]; i--; ) |
|
|
3557 | cb (EV_A_ EV_IDLE, idles [j][i]); |
|
|
3558 | #endif |
|
|
3559 | |
|
|
3560 | #if EV_FORK_ENABLE |
|
|
3561 | if (types & EV_FORK) |
|
|
3562 | for (i = forkcnt; i--; ) |
|
|
3563 | if (ev_cb (forks [i]) != embed_fork_cb) |
|
|
3564 | cb (EV_A_ EV_FORK, forks [i]); |
|
|
3565 | #endif |
|
|
3566 | |
|
|
3567 | #if EV_ASYNC_ENABLE |
|
|
3568 | if (types & EV_ASYNC) |
|
|
3569 | for (i = asynccnt; i--; ) |
|
|
3570 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
|
|
3571 | #endif |
|
|
3572 | |
|
|
3573 | if (types & EV_PREPARE) |
|
|
3574 | for (i = preparecnt; i--; ) |
|
|
3575 | #if EV_EMBED_ENABLE |
|
|
3576 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
|
|
3577 | #endif |
|
|
3578 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3579 | |
|
|
3580 | if (types & EV_CHECK) |
|
|
3581 | for (i = checkcnt; i--; ) |
|
|
3582 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3583 | |
|
|
3584 | if (types & EV_SIGNAL) |
|
|
3585 | for (i = 0; i < EV_NSIG - 1; ++i) |
|
|
3586 | for (wl = signals [i].head; wl; ) |
|
|
3587 | { |
|
|
3588 | wn = wl->next; |
|
|
3589 | cb (EV_A_ EV_SIGNAL, wl); |
|
|
3590 | wl = wn; |
|
|
3591 | } |
|
|
3592 | |
|
|
3593 | if (types & EV_CHILD) |
|
|
3594 | for (i = EV_PID_HASHSIZE; i--; ) |
|
|
3595 | for (wl = childs [i]; wl; ) |
|
|
3596 | { |
|
|
3597 | wn = wl->next; |
|
|
3598 | cb (EV_A_ EV_CHILD, wl); |
|
|
3599 | wl = wn; |
|
|
3600 | } |
|
|
3601 | /* EV_STAT 0x00001000 /* stat data changed */ |
|
|
3602 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
|
|
3603 | } |
|
|
3604 | #endif |
|
|
3605 | |
2539 | #if EV_MULTIPLICITY |
3606 | #if EV_MULTIPLICITY |
2540 | #include "ev_wrap.h" |
3607 | #include "ev_wrap.h" |
2541 | #endif |
3608 | #endif |
2542 | |
3609 | |
2543 | #ifdef __cplusplus |
3610 | #ifdef __cplusplus |