… | |
… | |
94 | # else |
94 | # else |
95 | # define EV_USE_PORT 0 |
95 | # define EV_USE_PORT 0 |
96 | # endif |
96 | # endif |
97 | # endif |
97 | # endif |
98 | |
98 | |
|
|
99 | # ifndef EV_USE_INOTIFY |
|
|
100 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
|
|
101 | # define EV_USE_INOTIFY 1 |
|
|
102 | # else |
|
|
103 | # define EV_USE_INOTIFY 0 |
|
|
104 | # endif |
|
|
105 | # endif |
|
|
106 | |
99 | #endif |
107 | #endif |
100 | |
108 | |
101 | #include <math.h> |
109 | #include <math.h> |
102 | #include <stdlib.h> |
110 | #include <stdlib.h> |
103 | #include <fcntl.h> |
111 | #include <fcntl.h> |
… | |
… | |
110 | #include <sys/types.h> |
118 | #include <sys/types.h> |
111 | #include <time.h> |
119 | #include <time.h> |
112 | |
120 | |
113 | #include <signal.h> |
121 | #include <signal.h> |
114 | |
122 | |
|
|
123 | #ifdef EV_H |
|
|
124 | # include EV_H |
|
|
125 | #else |
|
|
126 | # include "ev.h" |
|
|
127 | #endif |
|
|
128 | |
115 | #ifndef _WIN32 |
129 | #ifndef _WIN32 |
116 | # include <unistd.h> |
|
|
117 | # include <sys/time.h> |
130 | # include <sys/time.h> |
118 | # include <sys/wait.h> |
131 | # include <sys/wait.h> |
|
|
132 | # include <unistd.h> |
119 | #else |
133 | #else |
120 | # define WIN32_LEAN_AND_MEAN |
134 | # define WIN32_LEAN_AND_MEAN |
121 | # include <windows.h> |
135 | # include <windows.h> |
122 | # ifndef EV_SELECT_IS_WINSOCKET |
136 | # ifndef EV_SELECT_IS_WINSOCKET |
123 | # define EV_SELECT_IS_WINSOCKET 1 |
137 | # define EV_SELECT_IS_WINSOCKET 1 |
… | |
… | |
156 | |
170 | |
157 | #ifndef EV_USE_PORT |
171 | #ifndef EV_USE_PORT |
158 | # define EV_USE_PORT 0 |
172 | # define EV_USE_PORT 0 |
159 | #endif |
173 | #endif |
160 | |
174 | |
|
|
175 | #ifndef EV_USE_INOTIFY |
|
|
176 | # define EV_USE_INOTIFY 0 |
|
|
177 | #endif |
|
|
178 | |
|
|
179 | #ifndef EV_PID_HASHSIZE |
|
|
180 | # if EV_MINIMAL |
|
|
181 | # define EV_PID_HASHSIZE 1 |
|
|
182 | # else |
|
|
183 | # define EV_PID_HASHSIZE 16 |
|
|
184 | # endif |
|
|
185 | #endif |
|
|
186 | |
|
|
187 | #ifndef EV_INOTIFY_HASHSIZE |
|
|
188 | # if EV_MINIMAL |
|
|
189 | # define EV_INOTIFY_HASHSIZE 1 |
|
|
190 | # else |
|
|
191 | # define EV_INOTIFY_HASHSIZE 16 |
|
|
192 | # endif |
|
|
193 | #endif |
|
|
194 | |
161 | /**/ |
195 | /**/ |
162 | |
196 | |
163 | #ifndef CLOCK_MONOTONIC |
197 | #ifndef CLOCK_MONOTONIC |
164 | # undef EV_USE_MONOTONIC |
198 | # undef EV_USE_MONOTONIC |
165 | # define EV_USE_MONOTONIC 0 |
199 | # define EV_USE_MONOTONIC 0 |
… | |
… | |
172 | |
206 | |
173 | #if EV_SELECT_IS_WINSOCKET |
207 | #if EV_SELECT_IS_WINSOCKET |
174 | # include <winsock.h> |
208 | # include <winsock.h> |
175 | #endif |
209 | #endif |
176 | |
210 | |
|
|
211 | #if !EV_STAT_ENABLE |
|
|
212 | # define EV_USE_INOTIFY 0 |
|
|
213 | #endif |
|
|
214 | |
|
|
215 | #if EV_USE_INOTIFY |
|
|
216 | # include <sys/inotify.h> |
|
|
217 | #endif |
|
|
218 | |
177 | /**/ |
219 | /**/ |
178 | |
220 | |
179 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
221 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
180 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
222 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
181 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
|
|
182 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
223 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
183 | |
|
|
184 | #ifdef EV_H |
|
|
185 | # include EV_H |
|
|
186 | #else |
|
|
187 | # include "ev.h" |
|
|
188 | #endif |
|
|
189 | |
224 | |
190 | #if __GNUC__ >= 3 |
225 | #if __GNUC__ >= 3 |
191 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
226 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
227 | # define inline_size static inline /* inline for codesize */ |
|
|
228 | # if EV_MINIMAL |
|
|
229 | # define noinline __attribute__ ((noinline)) |
|
|
230 | # define inline_speed static noinline |
|
|
231 | # else |
|
|
232 | # define noinline |
192 | # define inline static inline |
233 | # define inline_speed static inline |
|
|
234 | # endif |
193 | #else |
235 | #else |
194 | # define expect(expr,value) (expr) |
236 | # define expect(expr,value) (expr) |
|
|
237 | # define inline_speed static |
195 | # define inline static |
238 | # define inline_size static |
|
|
239 | # define noinline |
196 | #endif |
240 | #endif |
197 | |
241 | |
198 | #define expect_false(expr) expect ((expr) != 0, 0) |
242 | #define expect_false(expr) expect ((expr) != 0, 0) |
199 | #define expect_true(expr) expect ((expr) != 0, 1) |
243 | #define expect_true(expr) expect ((expr) != 0, 1) |
200 | |
244 | |
… | |
… | |
202 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
246 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
203 | |
247 | |
204 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
248 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
205 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
249 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
206 | |
250 | |
207 | typedef struct ev_watcher *W; |
251 | typedef ev_watcher *W; |
208 | typedef struct ev_watcher_list *WL; |
252 | typedef ev_watcher_list *WL; |
209 | typedef struct ev_watcher_time *WT; |
253 | typedef ev_watcher_time *WT; |
210 | |
254 | |
211 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
255 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
212 | |
256 | |
213 | #ifdef _WIN32 |
257 | #ifdef _WIN32 |
214 | # include "ev_win32.c" |
258 | # include "ev_win32.c" |
… | |
… | |
216 | |
260 | |
217 | /*****************************************************************************/ |
261 | /*****************************************************************************/ |
218 | |
262 | |
219 | static void (*syserr_cb)(const char *msg); |
263 | static void (*syserr_cb)(const char *msg); |
220 | |
264 | |
|
|
265 | void |
221 | void ev_set_syserr_cb (void (*cb)(const char *msg)) |
266 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
222 | { |
267 | { |
223 | syserr_cb = cb; |
268 | syserr_cb = cb; |
224 | } |
269 | } |
225 | |
270 | |
226 | static void |
271 | static void noinline |
227 | syserr (const char *msg) |
272 | syserr (const char *msg) |
228 | { |
273 | { |
229 | if (!msg) |
274 | if (!msg) |
230 | msg = "(libev) system error"; |
275 | msg = "(libev) system error"; |
231 | |
276 | |
… | |
… | |
238 | } |
283 | } |
239 | } |
284 | } |
240 | |
285 | |
241 | static void *(*alloc)(void *ptr, long size); |
286 | static void *(*alloc)(void *ptr, long size); |
242 | |
287 | |
|
|
288 | void |
243 | void ev_set_allocator (void *(*cb)(void *ptr, long size)) |
289 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
244 | { |
290 | { |
245 | alloc = cb; |
291 | alloc = cb; |
246 | } |
292 | } |
247 | |
293 | |
248 | static void * |
294 | inline_speed void * |
249 | ev_realloc (void *ptr, long size) |
295 | ev_realloc (void *ptr, long size) |
250 | { |
296 | { |
251 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
297 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
252 | |
298 | |
253 | if (!ptr && size) |
299 | if (!ptr && size) |
… | |
… | |
277 | typedef struct |
323 | typedef struct |
278 | { |
324 | { |
279 | W w; |
325 | W w; |
280 | int events; |
326 | int events; |
281 | } ANPENDING; |
327 | } ANPENDING; |
|
|
328 | |
|
|
329 | #if EV_USE_INOTIFY |
|
|
330 | typedef struct |
|
|
331 | { |
|
|
332 | WL head; |
|
|
333 | } ANFS; |
|
|
334 | #endif |
282 | |
335 | |
283 | #if EV_MULTIPLICITY |
336 | #if EV_MULTIPLICITY |
284 | |
337 | |
285 | struct ev_loop |
338 | struct ev_loop |
286 | { |
339 | { |
… | |
… | |
320 | gettimeofday (&tv, 0); |
373 | gettimeofday (&tv, 0); |
321 | return tv.tv_sec + tv.tv_usec * 1e-6; |
374 | return tv.tv_sec + tv.tv_usec * 1e-6; |
322 | #endif |
375 | #endif |
323 | } |
376 | } |
324 | |
377 | |
325 | inline ev_tstamp |
378 | ev_tstamp inline_size |
326 | get_clock (void) |
379 | get_clock (void) |
327 | { |
380 | { |
328 | #if EV_USE_MONOTONIC |
381 | #if EV_USE_MONOTONIC |
329 | if (expect_true (have_monotonic)) |
382 | if (expect_true (have_monotonic)) |
330 | { |
383 | { |
… | |
… | |
373 | #define array_free(stem, idx) \ |
426 | #define array_free(stem, idx) \ |
374 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
427 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
375 | |
428 | |
376 | /*****************************************************************************/ |
429 | /*****************************************************************************/ |
377 | |
430 | |
378 | static void |
431 | void noinline |
379 | anfds_init (ANFD *base, int count) |
|
|
380 | { |
|
|
381 | while (count--) |
|
|
382 | { |
|
|
383 | base->head = 0; |
|
|
384 | base->events = EV_NONE; |
|
|
385 | base->reify = 0; |
|
|
386 | |
|
|
387 | ++base; |
|
|
388 | } |
|
|
389 | } |
|
|
390 | |
|
|
391 | void |
|
|
392 | ev_feed_event (EV_P_ void *w, int revents) |
432 | ev_feed_event (EV_P_ void *w, int revents) |
393 | { |
433 | { |
394 | W w_ = (W)w; |
434 | W w_ = (W)w; |
395 | |
435 | |
396 | if (expect_false (w_->pending)) |
436 | if (expect_false (w_->pending)) |
… | |
… | |
403 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
443 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
404 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
444 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
405 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
445 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
406 | } |
446 | } |
407 | |
447 | |
408 | static void |
448 | void inline_size |
409 | queue_events (EV_P_ W *events, int eventcnt, int type) |
449 | queue_events (EV_P_ W *events, int eventcnt, int type) |
410 | { |
450 | { |
411 | int i; |
451 | int i; |
412 | |
452 | |
413 | for (i = 0; i < eventcnt; ++i) |
453 | for (i = 0; i < eventcnt; ++i) |
414 | ev_feed_event (EV_A_ events [i], type); |
454 | ev_feed_event (EV_A_ events [i], type); |
415 | } |
455 | } |
416 | |
456 | |
417 | inline void |
457 | /*****************************************************************************/ |
|
|
458 | |
|
|
459 | void inline_size |
|
|
460 | anfds_init (ANFD *base, int count) |
|
|
461 | { |
|
|
462 | while (count--) |
|
|
463 | { |
|
|
464 | base->head = 0; |
|
|
465 | base->events = EV_NONE; |
|
|
466 | base->reify = 0; |
|
|
467 | |
|
|
468 | ++base; |
|
|
469 | } |
|
|
470 | } |
|
|
471 | |
|
|
472 | void inline_speed |
418 | fd_event (EV_P_ int fd, int revents) |
473 | fd_event (EV_P_ int fd, int revents) |
419 | { |
474 | { |
420 | ANFD *anfd = anfds + fd; |
475 | ANFD *anfd = anfds + fd; |
421 | struct ev_io *w; |
476 | ev_io *w; |
422 | |
477 | |
423 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
478 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
424 | { |
479 | { |
425 | int ev = w->events & revents; |
480 | int ev = w->events & revents; |
426 | |
481 | |
427 | if (ev) |
482 | if (ev) |
428 | ev_feed_event (EV_A_ (W)w, ev); |
483 | ev_feed_event (EV_A_ (W)w, ev); |
… | |
… | |
433 | ev_feed_fd_event (EV_P_ int fd, int revents) |
488 | ev_feed_fd_event (EV_P_ int fd, int revents) |
434 | { |
489 | { |
435 | fd_event (EV_A_ fd, revents); |
490 | fd_event (EV_A_ fd, revents); |
436 | } |
491 | } |
437 | |
492 | |
438 | /*****************************************************************************/ |
493 | void inline_size |
439 | |
|
|
440 | inline void |
|
|
441 | fd_reify (EV_P) |
494 | fd_reify (EV_P) |
442 | { |
495 | { |
443 | int i; |
496 | int i; |
444 | |
497 | |
445 | for (i = 0; i < fdchangecnt; ++i) |
498 | for (i = 0; i < fdchangecnt; ++i) |
446 | { |
499 | { |
447 | int fd = fdchanges [i]; |
500 | int fd = fdchanges [i]; |
448 | ANFD *anfd = anfds + fd; |
501 | ANFD *anfd = anfds + fd; |
449 | struct ev_io *w; |
502 | ev_io *w; |
450 | |
503 | |
451 | int events = 0; |
504 | int events = 0; |
452 | |
505 | |
453 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
506 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
454 | events |= w->events; |
507 | events |= w->events; |
455 | |
508 | |
456 | #if EV_SELECT_IS_WINSOCKET |
509 | #if EV_SELECT_IS_WINSOCKET |
457 | if (events) |
510 | if (events) |
458 | { |
511 | { |
… | |
… | |
469 | } |
522 | } |
470 | |
523 | |
471 | fdchangecnt = 0; |
524 | fdchangecnt = 0; |
472 | } |
525 | } |
473 | |
526 | |
474 | static void |
527 | void inline_size |
475 | fd_change (EV_P_ int fd) |
528 | fd_change (EV_P_ int fd) |
476 | { |
529 | { |
477 | if (expect_false (anfds [fd].reify)) |
530 | if (expect_false (anfds [fd].reify)) |
478 | return; |
531 | return; |
479 | |
532 | |
… | |
… | |
482 | ++fdchangecnt; |
535 | ++fdchangecnt; |
483 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
536 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
484 | fdchanges [fdchangecnt - 1] = fd; |
537 | fdchanges [fdchangecnt - 1] = fd; |
485 | } |
538 | } |
486 | |
539 | |
487 | static void |
540 | void inline_speed |
488 | fd_kill (EV_P_ int fd) |
541 | fd_kill (EV_P_ int fd) |
489 | { |
542 | { |
490 | struct ev_io *w; |
543 | ev_io *w; |
491 | |
544 | |
492 | while ((w = (struct ev_io *)anfds [fd].head)) |
545 | while ((w = (ev_io *)anfds [fd].head)) |
493 | { |
546 | { |
494 | ev_io_stop (EV_A_ w); |
547 | ev_io_stop (EV_A_ w); |
495 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
548 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
496 | } |
549 | } |
497 | } |
550 | } |
498 | |
551 | |
499 | inline int |
552 | int inline_size |
500 | fd_valid (int fd) |
553 | fd_valid (int fd) |
501 | { |
554 | { |
502 | #ifdef _WIN32 |
555 | #ifdef _WIN32 |
503 | return _get_osfhandle (fd) != -1; |
556 | return _get_osfhandle (fd) != -1; |
504 | #else |
557 | #else |
505 | return fcntl (fd, F_GETFD) != -1; |
558 | return fcntl (fd, F_GETFD) != -1; |
506 | #endif |
559 | #endif |
507 | } |
560 | } |
508 | |
561 | |
509 | /* called on EBADF to verify fds */ |
562 | /* called on EBADF to verify fds */ |
510 | static void |
563 | static void noinline |
511 | fd_ebadf (EV_P) |
564 | fd_ebadf (EV_P) |
512 | { |
565 | { |
513 | int fd; |
566 | int fd; |
514 | |
567 | |
515 | for (fd = 0; fd < anfdmax; ++fd) |
568 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
517 | if (!fd_valid (fd) == -1 && errno == EBADF) |
570 | if (!fd_valid (fd) == -1 && errno == EBADF) |
518 | fd_kill (EV_A_ fd); |
571 | fd_kill (EV_A_ fd); |
519 | } |
572 | } |
520 | |
573 | |
521 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
574 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
522 | static void |
575 | static void noinline |
523 | fd_enomem (EV_P) |
576 | fd_enomem (EV_P) |
524 | { |
577 | { |
525 | int fd; |
578 | int fd; |
526 | |
579 | |
527 | for (fd = anfdmax; fd--; ) |
580 | for (fd = anfdmax; fd--; ) |
… | |
… | |
531 | return; |
584 | return; |
532 | } |
585 | } |
533 | } |
586 | } |
534 | |
587 | |
535 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
588 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
536 | static void |
589 | static void noinline |
537 | fd_rearm_all (EV_P) |
590 | fd_rearm_all (EV_P) |
538 | { |
591 | { |
539 | int fd; |
592 | int fd; |
540 | |
593 | |
541 | /* this should be highly optimised to not do anything but set a flag */ |
|
|
542 | for (fd = 0; fd < anfdmax; ++fd) |
594 | for (fd = 0; fd < anfdmax; ++fd) |
543 | if (anfds [fd].events) |
595 | if (anfds [fd].events) |
544 | { |
596 | { |
545 | anfds [fd].events = 0; |
597 | anfds [fd].events = 0; |
546 | fd_change (EV_A_ fd); |
598 | fd_change (EV_A_ fd); |
547 | } |
599 | } |
548 | } |
600 | } |
549 | |
601 | |
550 | /*****************************************************************************/ |
602 | /*****************************************************************************/ |
551 | |
603 | |
552 | static void |
604 | void inline_speed |
553 | upheap (WT *heap, int k) |
605 | upheap (WT *heap, int k) |
554 | { |
606 | { |
555 | WT w = heap [k]; |
607 | WT w = heap [k]; |
556 | |
608 | |
557 | while (k && heap [k >> 1]->at > w->at) |
609 | while (k && heap [k >> 1]->at > w->at) |
… | |
… | |
564 | heap [k] = w; |
616 | heap [k] = w; |
565 | ((W)heap [k])->active = k + 1; |
617 | ((W)heap [k])->active = k + 1; |
566 | |
618 | |
567 | } |
619 | } |
568 | |
620 | |
569 | static void |
621 | void inline_speed |
570 | downheap (WT *heap, int N, int k) |
622 | downheap (WT *heap, int N, int k) |
571 | { |
623 | { |
572 | WT w = heap [k]; |
624 | WT w = heap [k]; |
573 | |
625 | |
574 | while (k < (N >> 1)) |
626 | while (k < (N >> 1)) |
… | |
… | |
588 | |
640 | |
589 | heap [k] = w; |
641 | heap [k] = w; |
590 | ((W)heap [k])->active = k + 1; |
642 | ((W)heap [k])->active = k + 1; |
591 | } |
643 | } |
592 | |
644 | |
593 | inline void |
645 | void inline_size |
594 | adjustheap (WT *heap, int N, int k) |
646 | adjustheap (WT *heap, int N, int k) |
595 | { |
647 | { |
596 | upheap (heap, k); |
648 | upheap (heap, k); |
597 | downheap (heap, N, k); |
649 | downheap (heap, N, k); |
598 | } |
650 | } |
… | |
… | |
608 | static ANSIG *signals; |
660 | static ANSIG *signals; |
609 | static int signalmax; |
661 | static int signalmax; |
610 | |
662 | |
611 | static int sigpipe [2]; |
663 | static int sigpipe [2]; |
612 | static sig_atomic_t volatile gotsig; |
664 | static sig_atomic_t volatile gotsig; |
613 | static struct ev_io sigev; |
665 | static ev_io sigev; |
614 | |
666 | |
615 | static void |
667 | void inline_size |
616 | signals_init (ANSIG *base, int count) |
668 | signals_init (ANSIG *base, int count) |
617 | { |
669 | { |
618 | while (count--) |
670 | while (count--) |
619 | { |
671 | { |
620 | base->head = 0; |
672 | base->head = 0; |
… | |
… | |
640 | write (sigpipe [1], &signum, 1); |
692 | write (sigpipe [1], &signum, 1); |
641 | errno = old_errno; |
693 | errno = old_errno; |
642 | } |
694 | } |
643 | } |
695 | } |
644 | |
696 | |
645 | void |
697 | void noinline |
646 | ev_feed_signal_event (EV_P_ int signum) |
698 | ev_feed_signal_event (EV_P_ int signum) |
647 | { |
699 | { |
648 | WL w; |
700 | WL w; |
649 | |
701 | |
650 | #if EV_MULTIPLICITY |
702 | #if EV_MULTIPLICITY |
… | |
… | |
661 | for (w = signals [signum].head; w; w = w->next) |
713 | for (w = signals [signum].head; w; w = w->next) |
662 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
714 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
663 | } |
715 | } |
664 | |
716 | |
665 | static void |
717 | static void |
666 | sigcb (EV_P_ struct ev_io *iow, int revents) |
718 | sigcb (EV_P_ ev_io *iow, int revents) |
667 | { |
719 | { |
668 | int signum; |
720 | int signum; |
669 | |
721 | |
670 | read (sigpipe [0], &revents, 1); |
722 | read (sigpipe [0], &revents, 1); |
671 | gotsig = 0; |
723 | gotsig = 0; |
… | |
… | |
673 | for (signum = signalmax; signum--; ) |
725 | for (signum = signalmax; signum--; ) |
674 | if (signals [signum].gotsig) |
726 | if (signals [signum].gotsig) |
675 | ev_feed_signal_event (EV_A_ signum + 1); |
727 | ev_feed_signal_event (EV_A_ signum + 1); |
676 | } |
728 | } |
677 | |
729 | |
678 | static void |
730 | void inline_size |
679 | fd_intern (int fd) |
731 | fd_intern (int fd) |
680 | { |
732 | { |
681 | #ifdef _WIN32 |
733 | #ifdef _WIN32 |
682 | int arg = 1; |
734 | int arg = 1; |
683 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
735 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
685 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
737 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
686 | fcntl (fd, F_SETFL, O_NONBLOCK); |
738 | fcntl (fd, F_SETFL, O_NONBLOCK); |
687 | #endif |
739 | #endif |
688 | } |
740 | } |
689 | |
741 | |
690 | static void |
742 | static void noinline |
691 | siginit (EV_P) |
743 | siginit (EV_P) |
692 | { |
744 | { |
693 | fd_intern (sigpipe [0]); |
745 | fd_intern (sigpipe [0]); |
694 | fd_intern (sigpipe [1]); |
746 | fd_intern (sigpipe [1]); |
695 | |
747 | |
… | |
… | |
698 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
750 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
699 | } |
751 | } |
700 | |
752 | |
701 | /*****************************************************************************/ |
753 | /*****************************************************************************/ |
702 | |
754 | |
703 | static struct ev_child *childs [PID_HASHSIZE]; |
755 | static ev_child *childs [EV_PID_HASHSIZE]; |
704 | |
756 | |
705 | #ifndef _WIN32 |
757 | #ifndef _WIN32 |
706 | |
758 | |
707 | static struct ev_signal childev; |
759 | static ev_signal childev; |
708 | |
760 | |
709 | #ifndef WCONTINUED |
761 | void inline_speed |
710 | # define WCONTINUED 0 |
|
|
711 | #endif |
|
|
712 | |
|
|
713 | static void |
|
|
714 | child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status) |
762 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
715 | { |
763 | { |
716 | struct ev_child *w; |
764 | ev_child *w; |
717 | |
765 | |
718 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
766 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
719 | if (w->pid == pid || !w->pid) |
767 | if (w->pid == pid || !w->pid) |
720 | { |
768 | { |
721 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
769 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
722 | w->rpid = pid; |
770 | w->rpid = pid; |
723 | w->rstatus = status; |
771 | w->rstatus = status; |
724 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
772 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
725 | } |
773 | } |
726 | } |
774 | } |
727 | |
775 | |
|
|
776 | #ifndef WCONTINUED |
|
|
777 | # define WCONTINUED 0 |
|
|
778 | #endif |
|
|
779 | |
728 | static void |
780 | static void |
729 | childcb (EV_P_ struct ev_signal *sw, int revents) |
781 | childcb (EV_P_ ev_signal *sw, int revents) |
730 | { |
782 | { |
731 | int pid, status; |
783 | int pid, status; |
732 | |
784 | |
|
|
785 | /* some systems define WCONTINUED but then fail to support it (linux 2.4) */ |
733 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
786 | if (0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
734 | { |
787 | if (!WCONTINUED |
|
|
788 | || errno != EINVAL |
|
|
789 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
|
|
790 | return; |
|
|
791 | |
735 | /* make sure we are called again until all childs have been reaped */ |
792 | /* make sure we are called again until all childs have been reaped */ |
736 | /* we need to do it this way so that the callback gets called before we continue */ |
793 | /* we need to do it this way so that the callback gets called before we continue */ |
737 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
794 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
738 | |
795 | |
739 | child_reap (EV_A_ sw, pid, pid, status); |
796 | child_reap (EV_A_ sw, pid, pid, status); |
|
|
797 | if (EV_PID_HASHSIZE > 1) |
740 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
798 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
741 | } |
|
|
742 | } |
799 | } |
743 | |
800 | |
744 | #endif |
801 | #endif |
745 | |
802 | |
746 | /*****************************************************************************/ |
803 | /*****************************************************************************/ |
… | |
… | |
772 | { |
829 | { |
773 | return EV_VERSION_MINOR; |
830 | return EV_VERSION_MINOR; |
774 | } |
831 | } |
775 | |
832 | |
776 | /* return true if we are running with elevated privileges and should ignore env variables */ |
833 | /* return true if we are running with elevated privileges and should ignore env variables */ |
777 | static int |
834 | int inline_size |
778 | enable_secure (void) |
835 | enable_secure (void) |
779 | { |
836 | { |
780 | #ifdef _WIN32 |
837 | #ifdef _WIN32 |
781 | return 0; |
838 | return 0; |
782 | #else |
839 | #else |
… | |
… | |
816 | |
873 | |
817 | return flags; |
874 | return flags; |
818 | } |
875 | } |
819 | |
876 | |
820 | unsigned int |
877 | unsigned int |
|
|
878 | ev_embeddable_backends (void) |
|
|
879 | { |
|
|
880 | return EVBACKEND_EPOLL |
|
|
881 | | EVBACKEND_KQUEUE |
|
|
882 | | EVBACKEND_PORT; |
|
|
883 | } |
|
|
884 | |
|
|
885 | unsigned int |
821 | ev_backend (EV_P) |
886 | ev_backend (EV_P) |
822 | { |
887 | { |
823 | return backend; |
888 | return backend; |
824 | } |
889 | } |
825 | |
890 | |
826 | static void |
891 | unsigned int |
|
|
892 | ev_loop_count (EV_P) |
|
|
893 | { |
|
|
894 | return loop_count; |
|
|
895 | } |
|
|
896 | |
|
|
897 | static void noinline |
827 | loop_init (EV_P_ unsigned int flags) |
898 | loop_init (EV_P_ unsigned int flags) |
828 | { |
899 | { |
829 | if (!backend) |
900 | if (!backend) |
830 | { |
901 | { |
831 | #if EV_USE_MONOTONIC |
902 | #if EV_USE_MONOTONIC |
… | |
… | |
839 | ev_rt_now = ev_time (); |
910 | ev_rt_now = ev_time (); |
840 | mn_now = get_clock (); |
911 | mn_now = get_clock (); |
841 | now_floor = mn_now; |
912 | now_floor = mn_now; |
842 | rtmn_diff = ev_rt_now - mn_now; |
913 | rtmn_diff = ev_rt_now - mn_now; |
843 | |
914 | |
|
|
915 | /* pid check not overridable via env */ |
|
|
916 | #ifndef _WIN32 |
|
|
917 | if (flags & EVFLAG_FORKCHECK) |
|
|
918 | curpid = getpid (); |
|
|
919 | #endif |
|
|
920 | |
844 | if (!(flags & EVFLAG_NOENV) |
921 | if (!(flags & EVFLAG_NOENV) |
845 | && !enable_secure () |
922 | && !enable_secure () |
846 | && getenv ("LIBEV_FLAGS")) |
923 | && getenv ("LIBEV_FLAGS")) |
847 | flags = atoi (getenv ("LIBEV_FLAGS")); |
924 | flags = atoi (getenv ("LIBEV_FLAGS")); |
848 | |
925 | |
849 | if (!(flags & 0x0000ffffUL)) |
926 | if (!(flags & 0x0000ffffUL)) |
850 | flags |= ev_recommended_backends (); |
927 | flags |= ev_recommended_backends (); |
851 | |
928 | |
852 | backend = 0; |
929 | backend = 0; |
|
|
930 | backend_fd = -1; |
|
|
931 | #if EV_USE_INOTIFY |
|
|
932 | fs_fd = -2; |
|
|
933 | #endif |
|
|
934 | |
853 | #if EV_USE_PORT |
935 | #if EV_USE_PORT |
854 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
936 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
855 | #endif |
937 | #endif |
856 | #if EV_USE_KQUEUE |
938 | #if EV_USE_KQUEUE |
857 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
939 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
869 | ev_init (&sigev, sigcb); |
951 | ev_init (&sigev, sigcb); |
870 | ev_set_priority (&sigev, EV_MAXPRI); |
952 | ev_set_priority (&sigev, EV_MAXPRI); |
871 | } |
953 | } |
872 | } |
954 | } |
873 | |
955 | |
874 | static void |
956 | static void noinline |
875 | loop_destroy (EV_P) |
957 | loop_destroy (EV_P) |
876 | { |
958 | { |
877 | int i; |
959 | int i; |
|
|
960 | |
|
|
961 | #if EV_USE_INOTIFY |
|
|
962 | if (fs_fd >= 0) |
|
|
963 | close (fs_fd); |
|
|
964 | #endif |
|
|
965 | |
|
|
966 | if (backend_fd >= 0) |
|
|
967 | close (backend_fd); |
878 | |
968 | |
879 | #if EV_USE_PORT |
969 | #if EV_USE_PORT |
880 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
970 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
881 | #endif |
971 | #endif |
882 | #if EV_USE_KQUEUE |
972 | #if EV_USE_KQUEUE |
… | |
… | |
896 | array_free (pending, [i]); |
986 | array_free (pending, [i]); |
897 | |
987 | |
898 | /* have to use the microsoft-never-gets-it-right macro */ |
988 | /* have to use the microsoft-never-gets-it-right macro */ |
899 | array_free (fdchange, EMPTY0); |
989 | array_free (fdchange, EMPTY0); |
900 | array_free (timer, EMPTY0); |
990 | array_free (timer, EMPTY0); |
901 | #if EV_PERIODICS |
991 | #if EV_PERIODIC_ENABLE |
902 | array_free (periodic, EMPTY0); |
992 | array_free (periodic, EMPTY0); |
903 | #endif |
993 | #endif |
904 | array_free (idle, EMPTY0); |
994 | array_free (idle, EMPTY0); |
905 | array_free (prepare, EMPTY0); |
995 | array_free (prepare, EMPTY0); |
906 | array_free (check, EMPTY0); |
996 | array_free (check, EMPTY0); |
907 | |
997 | |
908 | backend = 0; |
998 | backend = 0; |
909 | } |
999 | } |
910 | |
1000 | |
911 | static void |
1001 | void inline_size infy_fork (EV_P); |
|
|
1002 | |
|
|
1003 | void inline_size |
912 | loop_fork (EV_P) |
1004 | loop_fork (EV_P) |
913 | { |
1005 | { |
914 | #if EV_USE_PORT |
1006 | #if EV_USE_PORT |
915 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1007 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
916 | #endif |
1008 | #endif |
917 | #if EV_USE_KQUEUE |
1009 | #if EV_USE_KQUEUE |
918 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
1010 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
919 | #endif |
1011 | #endif |
920 | #if EV_USE_EPOLL |
1012 | #if EV_USE_EPOLL |
921 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
1013 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
|
|
1014 | #endif |
|
|
1015 | #if EV_USE_INOTIFY |
|
|
1016 | infy_fork (EV_A); |
922 | #endif |
1017 | #endif |
923 | |
1018 | |
924 | if (ev_is_active (&sigev)) |
1019 | if (ev_is_active (&sigev)) |
925 | { |
1020 | { |
926 | /* default loop */ |
1021 | /* default loop */ |
… | |
… | |
1042 | postfork = 1; |
1137 | postfork = 1; |
1043 | } |
1138 | } |
1044 | |
1139 | |
1045 | /*****************************************************************************/ |
1140 | /*****************************************************************************/ |
1046 | |
1141 | |
1047 | static int |
1142 | int inline_size |
1048 | any_pending (EV_P) |
1143 | any_pending (EV_P) |
1049 | { |
1144 | { |
1050 | int pri; |
1145 | int pri; |
1051 | |
1146 | |
1052 | for (pri = NUMPRI; pri--; ) |
1147 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
1054 | return 1; |
1149 | return 1; |
1055 | |
1150 | |
1056 | return 0; |
1151 | return 0; |
1057 | } |
1152 | } |
1058 | |
1153 | |
1059 | inline void |
1154 | void inline_speed |
1060 | call_pending (EV_P) |
1155 | call_pending (EV_P) |
1061 | { |
1156 | { |
1062 | int pri; |
1157 | int pri; |
1063 | |
1158 | |
1064 | for (pri = NUMPRI; pri--; ) |
1159 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
1066 | { |
1161 | { |
1067 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1162 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1068 | |
1163 | |
1069 | if (expect_true (p->w)) |
1164 | if (expect_true (p->w)) |
1070 | { |
1165 | { |
|
|
1166 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
|
|
1167 | |
1071 | p->w->pending = 0; |
1168 | p->w->pending = 0; |
1072 | EV_CB_INVOKE (p->w, p->events); |
1169 | EV_CB_INVOKE (p->w, p->events); |
1073 | } |
1170 | } |
1074 | } |
1171 | } |
1075 | } |
1172 | } |
1076 | |
1173 | |
1077 | inline void |
1174 | void inline_size |
1078 | timers_reify (EV_P) |
1175 | timers_reify (EV_P) |
1079 | { |
1176 | { |
1080 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1177 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1081 | { |
1178 | { |
1082 | struct ev_timer *w = timers [0]; |
1179 | ev_timer *w = timers [0]; |
1083 | |
1180 | |
1084 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1181 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1085 | |
1182 | |
1086 | /* first reschedule or stop timer */ |
1183 | /* first reschedule or stop timer */ |
1087 | if (w->repeat) |
1184 | if (w->repeat) |
1088 | { |
1185 | { |
1089 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1186 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
… | |
… | |
1099 | |
1196 | |
1100 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1197 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1101 | } |
1198 | } |
1102 | } |
1199 | } |
1103 | |
1200 | |
1104 | #if EV_PERIODICS |
1201 | #if EV_PERIODIC_ENABLE |
1105 | inline void |
1202 | void inline_size |
1106 | periodics_reify (EV_P) |
1203 | periodics_reify (EV_P) |
1107 | { |
1204 | { |
1108 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1205 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1109 | { |
1206 | { |
1110 | struct ev_periodic *w = periodics [0]; |
1207 | ev_periodic *w = periodics [0]; |
1111 | |
1208 | |
1112 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1209 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1113 | |
1210 | |
1114 | /* first reschedule or stop timer */ |
1211 | /* first reschedule or stop timer */ |
1115 | if (w->reschedule_cb) |
1212 | if (w->reschedule_cb) |
1116 | { |
1213 | { |
1117 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1214 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
… | |
… | |
1129 | |
1226 | |
1130 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1227 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1131 | } |
1228 | } |
1132 | } |
1229 | } |
1133 | |
1230 | |
1134 | static void |
1231 | static void noinline |
1135 | periodics_reschedule (EV_P) |
1232 | periodics_reschedule (EV_P) |
1136 | { |
1233 | { |
1137 | int i; |
1234 | int i; |
1138 | |
1235 | |
1139 | /* adjust periodics after time jump */ |
1236 | /* adjust periodics after time jump */ |
1140 | for (i = 0; i < periodiccnt; ++i) |
1237 | for (i = 0; i < periodiccnt; ++i) |
1141 | { |
1238 | { |
1142 | struct ev_periodic *w = periodics [i]; |
1239 | ev_periodic *w = periodics [i]; |
1143 | |
1240 | |
1144 | if (w->reschedule_cb) |
1241 | if (w->reschedule_cb) |
1145 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1242 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1146 | else if (w->interval) |
1243 | else if (w->interval) |
1147 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1244 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
… | |
… | |
1151 | for (i = periodiccnt >> 1; i--; ) |
1248 | for (i = periodiccnt >> 1; i--; ) |
1152 | downheap ((WT *)periodics, periodiccnt, i); |
1249 | downheap ((WT *)periodics, periodiccnt, i); |
1153 | } |
1250 | } |
1154 | #endif |
1251 | #endif |
1155 | |
1252 | |
1156 | inline int |
1253 | int inline_size |
1157 | time_update_monotonic (EV_P) |
1254 | time_update_monotonic (EV_P) |
1158 | { |
1255 | { |
1159 | mn_now = get_clock (); |
1256 | mn_now = get_clock (); |
1160 | |
1257 | |
1161 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1258 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
… | |
… | |
1169 | ev_rt_now = ev_time (); |
1266 | ev_rt_now = ev_time (); |
1170 | return 1; |
1267 | return 1; |
1171 | } |
1268 | } |
1172 | } |
1269 | } |
1173 | |
1270 | |
1174 | inline void |
1271 | void inline_size |
1175 | time_update (EV_P) |
1272 | time_update (EV_P) |
1176 | { |
1273 | { |
1177 | int i; |
1274 | int i; |
1178 | |
1275 | |
1179 | #if EV_USE_MONOTONIC |
1276 | #if EV_USE_MONOTONIC |
… | |
… | |
1181 | { |
1278 | { |
1182 | if (time_update_monotonic (EV_A)) |
1279 | if (time_update_monotonic (EV_A)) |
1183 | { |
1280 | { |
1184 | ev_tstamp odiff = rtmn_diff; |
1281 | ev_tstamp odiff = rtmn_diff; |
1185 | |
1282 | |
1186 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1283 | /* loop a few times, before making important decisions. |
|
|
1284 | * on the choice of "4": one iteration isn't enough, |
|
|
1285 | * in case we get preempted during the calls to |
|
|
1286 | * ev_time and get_clock. a second call is almost guaranteed |
|
|
1287 | * to succeed in that case, though. and looping a few more times |
|
|
1288 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1289 | * in the unlikely event of having been preempted here. |
|
|
1290 | */ |
|
|
1291 | for (i = 4; --i; ) |
1187 | { |
1292 | { |
1188 | rtmn_diff = ev_rt_now - mn_now; |
1293 | rtmn_diff = ev_rt_now - mn_now; |
1189 | |
1294 | |
1190 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1295 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1191 | return; /* all is well */ |
1296 | return; /* all is well */ |
… | |
… | |
1193 | ev_rt_now = ev_time (); |
1298 | ev_rt_now = ev_time (); |
1194 | mn_now = get_clock (); |
1299 | mn_now = get_clock (); |
1195 | now_floor = mn_now; |
1300 | now_floor = mn_now; |
1196 | } |
1301 | } |
1197 | |
1302 | |
1198 | # if EV_PERIODICS |
1303 | # if EV_PERIODIC_ENABLE |
1199 | periodics_reschedule (EV_A); |
1304 | periodics_reschedule (EV_A); |
1200 | # endif |
1305 | # endif |
1201 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1306 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1202 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1307 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1203 | } |
1308 | } |
… | |
… | |
1207 | { |
1312 | { |
1208 | ev_rt_now = ev_time (); |
1313 | ev_rt_now = ev_time (); |
1209 | |
1314 | |
1210 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1315 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1211 | { |
1316 | { |
1212 | #if EV_PERIODICS |
1317 | #if EV_PERIODIC_ENABLE |
1213 | periodics_reschedule (EV_A); |
1318 | periodics_reschedule (EV_A); |
1214 | #endif |
1319 | #endif |
1215 | |
1320 | |
1216 | /* adjust timers. this is easy, as the offset is the same for all */ |
1321 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1217 | for (i = 0; i < timercnt; ++i) |
1322 | for (i = 0; i < timercnt; ++i) |
1218 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1323 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1219 | } |
1324 | } |
1220 | |
1325 | |
1221 | mn_now = ev_rt_now; |
1326 | mn_now = ev_rt_now; |
… | |
… | |
1237 | static int loop_done; |
1342 | static int loop_done; |
1238 | |
1343 | |
1239 | void |
1344 | void |
1240 | ev_loop (EV_P_ int flags) |
1345 | ev_loop (EV_P_ int flags) |
1241 | { |
1346 | { |
1242 | double block; |
|
|
1243 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1347 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
|
|
1348 | ? EVUNLOOP_ONE |
|
|
1349 | : EVUNLOOP_CANCEL; |
1244 | |
1350 | |
1245 | while (activecnt) |
1351 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
|
|
1352 | |
|
|
1353 | do |
1246 | { |
1354 | { |
|
|
1355 | #ifndef _WIN32 |
|
|
1356 | if (expect_false (curpid)) /* penalise the forking check even more */ |
|
|
1357 | if (expect_false (getpid () != curpid)) |
|
|
1358 | { |
|
|
1359 | curpid = getpid (); |
|
|
1360 | postfork = 1; |
|
|
1361 | } |
|
|
1362 | #endif |
|
|
1363 | |
|
|
1364 | #if EV_FORK_ENABLE |
|
|
1365 | /* we might have forked, so queue fork handlers */ |
|
|
1366 | if (expect_false (postfork)) |
|
|
1367 | if (forkcnt) |
|
|
1368 | { |
|
|
1369 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
|
|
1370 | call_pending (EV_A); |
|
|
1371 | } |
|
|
1372 | #endif |
|
|
1373 | |
1247 | /* queue check watchers (and execute them) */ |
1374 | /* queue check watchers (and execute them) */ |
1248 | if (expect_false (preparecnt)) |
1375 | if (expect_false (preparecnt)) |
1249 | { |
1376 | { |
1250 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1377 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1251 | call_pending (EV_A); |
1378 | call_pending (EV_A); |
1252 | } |
1379 | } |
1253 | |
1380 | |
|
|
1381 | if (expect_false (!activecnt)) |
|
|
1382 | break; |
|
|
1383 | |
1254 | /* we might have forked, so reify kernel state if necessary */ |
1384 | /* we might have forked, so reify kernel state if necessary */ |
1255 | if (expect_false (postfork)) |
1385 | if (expect_false (postfork)) |
1256 | loop_fork (EV_A); |
1386 | loop_fork (EV_A); |
1257 | |
1387 | |
1258 | /* update fd-related kernel structures */ |
1388 | /* update fd-related kernel structures */ |
1259 | fd_reify (EV_A); |
1389 | fd_reify (EV_A); |
1260 | |
1390 | |
1261 | /* calculate blocking time */ |
1391 | /* calculate blocking time */ |
|
|
1392 | { |
|
|
1393 | ev_tstamp block; |
1262 | |
1394 | |
1263 | /* we only need this for !monotonic clock or timers, but as we basically |
1395 | if (expect_false (flags & EVLOOP_NONBLOCK || idlecnt || !activecnt)) |
1264 | always have timers, we just calculate it always */ |
1396 | block = 0.; /* do not block at all */ |
|
|
1397 | else |
|
|
1398 | { |
|
|
1399 | /* update time to cancel out callback processing overhead */ |
1265 | #if EV_USE_MONOTONIC |
1400 | #if EV_USE_MONOTONIC |
1266 | if (expect_true (have_monotonic)) |
1401 | if (expect_true (have_monotonic)) |
1267 | time_update_monotonic (EV_A); |
1402 | time_update_monotonic (EV_A); |
1268 | else |
1403 | else |
1269 | #endif |
1404 | #endif |
1270 | { |
1405 | { |
1271 | ev_rt_now = ev_time (); |
1406 | ev_rt_now = ev_time (); |
1272 | mn_now = ev_rt_now; |
1407 | mn_now = ev_rt_now; |
1273 | } |
1408 | } |
1274 | |
1409 | |
1275 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
|
|
1276 | block = 0.; |
|
|
1277 | else |
|
|
1278 | { |
|
|
1279 | block = MAX_BLOCKTIME; |
1410 | block = MAX_BLOCKTIME; |
1280 | |
1411 | |
1281 | if (timercnt) |
1412 | if (timercnt) |
1282 | { |
1413 | { |
1283 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1414 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1284 | if (block > to) block = to; |
1415 | if (block > to) block = to; |
1285 | } |
1416 | } |
1286 | |
1417 | |
1287 | #if EV_PERIODICS |
1418 | #if EV_PERIODIC_ENABLE |
1288 | if (periodiccnt) |
1419 | if (periodiccnt) |
1289 | { |
1420 | { |
1290 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1421 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1291 | if (block > to) block = to; |
1422 | if (block > to) block = to; |
1292 | } |
1423 | } |
1293 | #endif |
1424 | #endif |
1294 | |
1425 | |
1295 | if (expect_false (block < 0.)) block = 0.; |
1426 | if (expect_false (block < 0.)) block = 0.; |
1296 | } |
1427 | } |
1297 | |
1428 | |
|
|
1429 | ++loop_count; |
1298 | backend_poll (EV_A_ block); |
1430 | backend_poll (EV_A_ block); |
|
|
1431 | } |
1299 | |
1432 | |
1300 | /* update ev_rt_now, do magic */ |
1433 | /* update ev_rt_now, do magic */ |
1301 | time_update (EV_A); |
1434 | time_update (EV_A); |
1302 | |
1435 | |
1303 | /* queue pending timers and reschedule them */ |
1436 | /* queue pending timers and reschedule them */ |
1304 | timers_reify (EV_A); /* relative timers called last */ |
1437 | timers_reify (EV_A); /* relative timers called last */ |
1305 | #if EV_PERIODICS |
1438 | #if EV_PERIODIC_ENABLE |
1306 | periodics_reify (EV_A); /* absolute timers called first */ |
1439 | periodics_reify (EV_A); /* absolute timers called first */ |
1307 | #endif |
1440 | #endif |
1308 | |
1441 | |
1309 | /* queue idle watchers unless io or timers are pending */ |
1442 | /* queue idle watchers unless other events are pending */ |
1310 | if (idlecnt && !any_pending (EV_A)) |
1443 | if (idlecnt && !any_pending (EV_A)) |
1311 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1444 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1312 | |
1445 | |
1313 | /* queue check watchers, to be executed first */ |
1446 | /* queue check watchers, to be executed first */ |
1314 | if (expect_false (checkcnt)) |
1447 | if (expect_false (checkcnt)) |
1315 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1448 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1316 | |
1449 | |
1317 | call_pending (EV_A); |
1450 | call_pending (EV_A); |
1318 | |
1451 | |
1319 | if (expect_false (loop_done)) |
|
|
1320 | break; |
|
|
1321 | } |
1452 | } |
|
|
1453 | while (expect_true (activecnt && !loop_done)); |
1322 | |
1454 | |
1323 | if (loop_done != 2) |
1455 | if (loop_done == EVUNLOOP_ONE) |
1324 | loop_done = 0; |
1456 | loop_done = EVUNLOOP_CANCEL; |
1325 | } |
1457 | } |
1326 | |
1458 | |
1327 | void |
1459 | void |
1328 | ev_unloop (EV_P_ int how) |
1460 | ev_unloop (EV_P_ int how) |
1329 | { |
1461 | { |
1330 | loop_done = how; |
1462 | loop_done = how; |
1331 | } |
1463 | } |
1332 | |
1464 | |
1333 | /*****************************************************************************/ |
1465 | /*****************************************************************************/ |
1334 | |
1466 | |
1335 | inline void |
1467 | void inline_size |
1336 | wlist_add (WL *head, WL elem) |
1468 | wlist_add (WL *head, WL elem) |
1337 | { |
1469 | { |
1338 | elem->next = *head; |
1470 | elem->next = *head; |
1339 | *head = elem; |
1471 | *head = elem; |
1340 | } |
1472 | } |
1341 | |
1473 | |
1342 | inline void |
1474 | void inline_size |
1343 | wlist_del (WL *head, WL elem) |
1475 | wlist_del (WL *head, WL elem) |
1344 | { |
1476 | { |
1345 | while (*head) |
1477 | while (*head) |
1346 | { |
1478 | { |
1347 | if (*head == elem) |
1479 | if (*head == elem) |
… | |
… | |
1352 | |
1484 | |
1353 | head = &(*head)->next; |
1485 | head = &(*head)->next; |
1354 | } |
1486 | } |
1355 | } |
1487 | } |
1356 | |
1488 | |
1357 | inline void |
1489 | void inline_speed |
1358 | ev_clear_pending (EV_P_ W w) |
1490 | ev_clear_pending (EV_P_ W w) |
1359 | { |
1491 | { |
1360 | if (w->pending) |
1492 | if (w->pending) |
1361 | { |
1493 | { |
1362 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1494 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1363 | w->pending = 0; |
1495 | w->pending = 0; |
1364 | } |
1496 | } |
1365 | } |
1497 | } |
1366 | |
1498 | |
1367 | inline void |
1499 | void inline_speed |
1368 | ev_start (EV_P_ W w, int active) |
1500 | ev_start (EV_P_ W w, int active) |
1369 | { |
1501 | { |
1370 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1502 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1371 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
1503 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
1372 | |
1504 | |
1373 | w->active = active; |
1505 | w->active = active; |
1374 | ev_ref (EV_A); |
1506 | ev_ref (EV_A); |
1375 | } |
1507 | } |
1376 | |
1508 | |
1377 | inline void |
1509 | void inline_size |
1378 | ev_stop (EV_P_ W w) |
1510 | ev_stop (EV_P_ W w) |
1379 | { |
1511 | { |
1380 | ev_unref (EV_A); |
1512 | ev_unref (EV_A); |
1381 | w->active = 0; |
1513 | w->active = 0; |
1382 | } |
1514 | } |
1383 | |
1515 | |
1384 | /*****************************************************************************/ |
1516 | /*****************************************************************************/ |
1385 | |
1517 | |
1386 | void |
1518 | void |
1387 | ev_io_start (EV_P_ struct ev_io *w) |
1519 | ev_io_start (EV_P_ ev_io *w) |
1388 | { |
1520 | { |
1389 | int fd = w->fd; |
1521 | int fd = w->fd; |
1390 | |
1522 | |
1391 | if (expect_false (ev_is_active (w))) |
1523 | if (expect_false (ev_is_active (w))) |
1392 | return; |
1524 | return; |
… | |
… | |
1399 | |
1531 | |
1400 | fd_change (EV_A_ fd); |
1532 | fd_change (EV_A_ fd); |
1401 | } |
1533 | } |
1402 | |
1534 | |
1403 | void |
1535 | void |
1404 | ev_io_stop (EV_P_ struct ev_io *w) |
1536 | ev_io_stop (EV_P_ ev_io *w) |
1405 | { |
1537 | { |
1406 | ev_clear_pending (EV_A_ (W)w); |
1538 | ev_clear_pending (EV_A_ (W)w); |
1407 | if (expect_false (!ev_is_active (w))) |
1539 | if (expect_false (!ev_is_active (w))) |
1408 | return; |
1540 | return; |
1409 | |
1541 | |
… | |
… | |
1414 | |
1546 | |
1415 | fd_change (EV_A_ w->fd); |
1547 | fd_change (EV_A_ w->fd); |
1416 | } |
1548 | } |
1417 | |
1549 | |
1418 | void |
1550 | void |
1419 | ev_timer_start (EV_P_ struct ev_timer *w) |
1551 | ev_timer_start (EV_P_ ev_timer *w) |
1420 | { |
1552 | { |
1421 | if (expect_false (ev_is_active (w))) |
1553 | if (expect_false (ev_is_active (w))) |
1422 | return; |
1554 | return; |
1423 | |
1555 | |
1424 | ((WT)w)->at += mn_now; |
1556 | ((WT)w)->at += mn_now; |
1425 | |
1557 | |
1426 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1558 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1427 | |
1559 | |
1428 | ev_start (EV_A_ (W)w, ++timercnt); |
1560 | ev_start (EV_A_ (W)w, ++timercnt); |
1429 | array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2); |
1561 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1430 | timers [timercnt - 1] = w; |
1562 | timers [timercnt - 1] = w; |
1431 | upheap ((WT *)timers, timercnt - 1); |
1563 | upheap ((WT *)timers, timercnt - 1); |
1432 | |
1564 | |
1433 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1565 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1434 | } |
1566 | } |
1435 | |
1567 | |
1436 | void |
1568 | void |
1437 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1569 | ev_timer_stop (EV_P_ ev_timer *w) |
1438 | { |
1570 | { |
1439 | ev_clear_pending (EV_A_ (W)w); |
1571 | ev_clear_pending (EV_A_ (W)w); |
1440 | if (expect_false (!ev_is_active (w))) |
1572 | if (expect_false (!ev_is_active (w))) |
1441 | return; |
1573 | return; |
1442 | |
1574 | |
1443 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1575 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1444 | |
1576 | |
|
|
1577 | { |
|
|
1578 | int active = ((W)w)->active; |
|
|
1579 | |
1445 | if (expect_true (((W)w)->active < timercnt--)) |
1580 | if (expect_true (--active < --timercnt)) |
1446 | { |
1581 | { |
1447 | timers [((W)w)->active - 1] = timers [timercnt]; |
1582 | timers [active] = timers [timercnt]; |
1448 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1583 | adjustheap ((WT *)timers, timercnt, active); |
1449 | } |
1584 | } |
|
|
1585 | } |
1450 | |
1586 | |
1451 | ((WT)w)->at -= mn_now; |
1587 | ((WT)w)->at -= mn_now; |
1452 | |
1588 | |
1453 | ev_stop (EV_A_ (W)w); |
1589 | ev_stop (EV_A_ (W)w); |
1454 | } |
1590 | } |
1455 | |
1591 | |
1456 | void |
1592 | void |
1457 | ev_timer_again (EV_P_ struct ev_timer *w) |
1593 | ev_timer_again (EV_P_ ev_timer *w) |
1458 | { |
1594 | { |
1459 | if (ev_is_active (w)) |
1595 | if (ev_is_active (w)) |
1460 | { |
1596 | { |
1461 | if (w->repeat) |
1597 | if (w->repeat) |
1462 | { |
1598 | { |
… | |
… | |
1471 | w->at = w->repeat; |
1607 | w->at = w->repeat; |
1472 | ev_timer_start (EV_A_ w); |
1608 | ev_timer_start (EV_A_ w); |
1473 | } |
1609 | } |
1474 | } |
1610 | } |
1475 | |
1611 | |
1476 | #if EV_PERIODICS |
1612 | #if EV_PERIODIC_ENABLE |
1477 | void |
1613 | void |
1478 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1614 | ev_periodic_start (EV_P_ ev_periodic *w) |
1479 | { |
1615 | { |
1480 | if (expect_false (ev_is_active (w))) |
1616 | if (expect_false (ev_is_active (w))) |
1481 | return; |
1617 | return; |
1482 | |
1618 | |
1483 | if (w->reschedule_cb) |
1619 | if (w->reschedule_cb) |
… | |
… | |
1488 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1624 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1489 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1625 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1490 | } |
1626 | } |
1491 | |
1627 | |
1492 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1628 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1493 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1629 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1494 | periodics [periodiccnt - 1] = w; |
1630 | periodics [periodiccnt - 1] = w; |
1495 | upheap ((WT *)periodics, periodiccnt - 1); |
1631 | upheap ((WT *)periodics, periodiccnt - 1); |
1496 | |
1632 | |
1497 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1633 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1498 | } |
1634 | } |
1499 | |
1635 | |
1500 | void |
1636 | void |
1501 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1637 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1502 | { |
1638 | { |
1503 | ev_clear_pending (EV_A_ (W)w); |
1639 | ev_clear_pending (EV_A_ (W)w); |
1504 | if (expect_false (!ev_is_active (w))) |
1640 | if (expect_false (!ev_is_active (w))) |
1505 | return; |
1641 | return; |
1506 | |
1642 | |
1507 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1643 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1508 | |
1644 | |
|
|
1645 | { |
|
|
1646 | int active = ((W)w)->active; |
|
|
1647 | |
1509 | if (expect_true (((W)w)->active < periodiccnt--)) |
1648 | if (expect_true (--active < --periodiccnt)) |
1510 | { |
1649 | { |
1511 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1650 | periodics [active] = periodics [periodiccnt]; |
1512 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1651 | adjustheap ((WT *)periodics, periodiccnt, active); |
1513 | } |
1652 | } |
|
|
1653 | } |
1514 | |
1654 | |
1515 | ev_stop (EV_A_ (W)w); |
1655 | ev_stop (EV_A_ (W)w); |
1516 | } |
1656 | } |
1517 | |
1657 | |
1518 | void |
1658 | void |
1519 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
1659 | ev_periodic_again (EV_P_ ev_periodic *w) |
1520 | { |
1660 | { |
1521 | /* TODO: use adjustheap and recalculation */ |
1661 | /* TODO: use adjustheap and recalculation */ |
1522 | ev_periodic_stop (EV_A_ w); |
1662 | ev_periodic_stop (EV_A_ w); |
1523 | ev_periodic_start (EV_A_ w); |
1663 | ev_periodic_start (EV_A_ w); |
1524 | } |
1664 | } |
1525 | #endif |
1665 | #endif |
1526 | |
1666 | |
1527 | void |
|
|
1528 | ev_idle_start (EV_P_ struct ev_idle *w) |
|
|
1529 | { |
|
|
1530 | if (expect_false (ev_is_active (w))) |
|
|
1531 | return; |
|
|
1532 | |
|
|
1533 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1534 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
|
|
1535 | idles [idlecnt - 1] = w; |
|
|
1536 | } |
|
|
1537 | |
|
|
1538 | void |
|
|
1539 | ev_idle_stop (EV_P_ struct ev_idle *w) |
|
|
1540 | { |
|
|
1541 | ev_clear_pending (EV_A_ (W)w); |
|
|
1542 | if (expect_false (!ev_is_active (w))) |
|
|
1543 | return; |
|
|
1544 | |
|
|
1545 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
|
|
1546 | ev_stop (EV_A_ (W)w); |
|
|
1547 | } |
|
|
1548 | |
|
|
1549 | void |
|
|
1550 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
|
|
1551 | { |
|
|
1552 | if (expect_false (ev_is_active (w))) |
|
|
1553 | return; |
|
|
1554 | |
|
|
1555 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1556 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
1557 | prepares [preparecnt - 1] = w; |
|
|
1558 | } |
|
|
1559 | |
|
|
1560 | void |
|
|
1561 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
|
|
1562 | { |
|
|
1563 | ev_clear_pending (EV_A_ (W)w); |
|
|
1564 | if (expect_false (!ev_is_active (w))) |
|
|
1565 | return; |
|
|
1566 | |
|
|
1567 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
|
|
1568 | ev_stop (EV_A_ (W)w); |
|
|
1569 | } |
|
|
1570 | |
|
|
1571 | void |
|
|
1572 | ev_check_start (EV_P_ struct ev_check *w) |
|
|
1573 | { |
|
|
1574 | if (expect_false (ev_is_active (w))) |
|
|
1575 | return; |
|
|
1576 | |
|
|
1577 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1578 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
1579 | checks [checkcnt - 1] = w; |
|
|
1580 | } |
|
|
1581 | |
|
|
1582 | void |
|
|
1583 | ev_check_stop (EV_P_ struct ev_check *w) |
|
|
1584 | { |
|
|
1585 | ev_clear_pending (EV_A_ (W)w); |
|
|
1586 | if (expect_false (!ev_is_active (w))) |
|
|
1587 | return; |
|
|
1588 | |
|
|
1589 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
|
|
1590 | ev_stop (EV_A_ (W)w); |
|
|
1591 | } |
|
|
1592 | |
|
|
1593 | #ifndef SA_RESTART |
1667 | #ifndef SA_RESTART |
1594 | # define SA_RESTART 0 |
1668 | # define SA_RESTART 0 |
1595 | #endif |
1669 | #endif |
1596 | |
1670 | |
1597 | void |
1671 | void |
1598 | ev_signal_start (EV_P_ struct ev_signal *w) |
1672 | ev_signal_start (EV_P_ ev_signal *w) |
1599 | { |
1673 | { |
1600 | #if EV_MULTIPLICITY |
1674 | #if EV_MULTIPLICITY |
1601 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1675 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1602 | #endif |
1676 | #endif |
1603 | if (expect_false (ev_is_active (w))) |
1677 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1622 | #endif |
1696 | #endif |
1623 | } |
1697 | } |
1624 | } |
1698 | } |
1625 | |
1699 | |
1626 | void |
1700 | void |
1627 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1701 | ev_signal_stop (EV_P_ ev_signal *w) |
1628 | { |
1702 | { |
1629 | ev_clear_pending (EV_A_ (W)w); |
1703 | ev_clear_pending (EV_A_ (W)w); |
1630 | if (expect_false (!ev_is_active (w))) |
1704 | if (expect_false (!ev_is_active (w))) |
1631 | return; |
1705 | return; |
1632 | |
1706 | |
… | |
… | |
1636 | if (!signals [w->signum - 1].head) |
1710 | if (!signals [w->signum - 1].head) |
1637 | signal (w->signum, SIG_DFL); |
1711 | signal (w->signum, SIG_DFL); |
1638 | } |
1712 | } |
1639 | |
1713 | |
1640 | void |
1714 | void |
1641 | ev_child_start (EV_P_ struct ev_child *w) |
1715 | ev_child_start (EV_P_ ev_child *w) |
1642 | { |
1716 | { |
1643 | #if EV_MULTIPLICITY |
1717 | #if EV_MULTIPLICITY |
1644 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1718 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1645 | #endif |
1719 | #endif |
1646 | if (expect_false (ev_is_active (w))) |
1720 | if (expect_false (ev_is_active (w))) |
1647 | return; |
1721 | return; |
1648 | |
1722 | |
1649 | ev_start (EV_A_ (W)w, 1); |
1723 | ev_start (EV_A_ (W)w, 1); |
1650 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1724 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1651 | } |
1725 | } |
1652 | |
1726 | |
1653 | void |
1727 | void |
1654 | ev_child_stop (EV_P_ struct ev_child *w) |
1728 | ev_child_stop (EV_P_ ev_child *w) |
1655 | { |
1729 | { |
1656 | ev_clear_pending (EV_A_ (W)w); |
1730 | ev_clear_pending (EV_A_ (W)w); |
1657 | if (expect_false (!ev_is_active (w))) |
1731 | if (expect_false (!ev_is_active (w))) |
1658 | return; |
1732 | return; |
1659 | |
1733 | |
1660 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1734 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1661 | ev_stop (EV_A_ (W)w); |
1735 | ev_stop (EV_A_ (W)w); |
1662 | } |
1736 | } |
1663 | |
1737 | |
|
|
1738 | #if EV_STAT_ENABLE |
|
|
1739 | |
|
|
1740 | # ifdef _WIN32 |
|
|
1741 | # undef lstat |
|
|
1742 | # define lstat(a,b) _stati64 (a,b) |
|
|
1743 | # endif |
|
|
1744 | |
|
|
1745 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
1746 | #define MIN_STAT_INTERVAL 0.1074891 |
|
|
1747 | |
|
|
1748 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
|
|
1749 | |
|
|
1750 | #if EV_USE_INOTIFY |
|
|
1751 | # define EV_INOTIFY_BUFSIZE 8192 |
|
|
1752 | |
|
|
1753 | static void noinline |
|
|
1754 | infy_add (EV_P_ ev_stat *w) |
|
|
1755 | { |
|
|
1756 | 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); |
|
|
1757 | |
|
|
1758 | if (w->wd < 0) |
|
|
1759 | { |
|
|
1760 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
1761 | |
|
|
1762 | /* monitor some parent directory for speedup hints */ |
|
|
1763 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
|
|
1764 | { |
|
|
1765 | char path [4096]; |
|
|
1766 | strcpy (path, w->path); |
|
|
1767 | |
|
|
1768 | do |
|
|
1769 | { |
|
|
1770 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
|
|
1771 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
|
|
1772 | |
|
|
1773 | char *pend = strrchr (path, '/'); |
|
|
1774 | |
|
|
1775 | if (!pend) |
|
|
1776 | break; /* whoops, no '/', complain to your admin */ |
|
|
1777 | |
|
|
1778 | *pend = 0; |
|
|
1779 | w->wd = inotify_add_watch (fs_fd, path, mask); |
|
|
1780 | } |
|
|
1781 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
|
|
1782 | } |
|
|
1783 | } |
|
|
1784 | else |
|
|
1785 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
1786 | |
|
|
1787 | if (w->wd >= 0) |
|
|
1788 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
1789 | } |
|
|
1790 | |
|
|
1791 | static void noinline |
|
|
1792 | infy_del (EV_P_ ev_stat *w) |
|
|
1793 | { |
|
|
1794 | int slot; |
|
|
1795 | int wd = w->wd; |
|
|
1796 | |
|
|
1797 | if (wd < 0) |
|
|
1798 | return; |
|
|
1799 | |
|
|
1800 | w->wd = -2; |
|
|
1801 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
|
|
1802 | wlist_del (&fs_hash [slot].head, (WL)w); |
|
|
1803 | |
|
|
1804 | /* remove this watcher, if others are watching it, they will rearm */ |
|
|
1805 | inotify_rm_watch (fs_fd, wd); |
|
|
1806 | } |
|
|
1807 | |
|
|
1808 | static void noinline |
|
|
1809 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
|
|
1810 | { |
|
|
1811 | if (slot < 0) |
|
|
1812 | /* overflow, need to check for all hahs slots */ |
|
|
1813 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
1814 | infy_wd (EV_A_ slot, wd, ev); |
|
|
1815 | else |
|
|
1816 | { |
|
|
1817 | WL w_; |
|
|
1818 | |
|
|
1819 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
|
|
1820 | { |
|
|
1821 | ev_stat *w = (ev_stat *)w_; |
|
|
1822 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
|
|
1823 | |
|
|
1824 | if (w->wd == wd || wd == -1) |
|
|
1825 | { |
|
|
1826 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
|
|
1827 | { |
|
|
1828 | w->wd = -1; |
|
|
1829 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
1830 | } |
|
|
1831 | |
|
|
1832 | stat_timer_cb (EV_A_ &w->timer, 0); |
|
|
1833 | } |
|
|
1834 | } |
|
|
1835 | } |
|
|
1836 | } |
|
|
1837 | |
|
|
1838 | static void |
|
|
1839 | infy_cb (EV_P_ ev_io *w, int revents) |
|
|
1840 | { |
|
|
1841 | char buf [EV_INOTIFY_BUFSIZE]; |
|
|
1842 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
1843 | int ofs; |
|
|
1844 | int len = read (fs_fd, buf, sizeof (buf)); |
|
|
1845 | |
|
|
1846 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
|
|
1847 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
1848 | } |
|
|
1849 | |
|
|
1850 | void inline_size |
|
|
1851 | infy_init (EV_P) |
|
|
1852 | { |
|
|
1853 | if (fs_fd != -2) |
|
|
1854 | return; |
|
|
1855 | |
|
|
1856 | fs_fd = inotify_init (); |
|
|
1857 | |
|
|
1858 | if (fs_fd >= 0) |
|
|
1859 | { |
|
|
1860 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
|
|
1861 | ev_set_priority (&fs_w, EV_MAXPRI); |
|
|
1862 | ev_io_start (EV_A_ &fs_w); |
|
|
1863 | } |
|
|
1864 | } |
|
|
1865 | |
|
|
1866 | void inline_size |
|
|
1867 | infy_fork (EV_P) |
|
|
1868 | { |
|
|
1869 | int slot; |
|
|
1870 | |
|
|
1871 | if (fs_fd < 0) |
|
|
1872 | return; |
|
|
1873 | |
|
|
1874 | close (fs_fd); |
|
|
1875 | fs_fd = inotify_init (); |
|
|
1876 | |
|
|
1877 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
1878 | { |
|
|
1879 | WL w_ = fs_hash [slot].head; |
|
|
1880 | fs_hash [slot].head = 0; |
|
|
1881 | |
|
|
1882 | while (w_) |
|
|
1883 | { |
|
|
1884 | ev_stat *w = (ev_stat *)w_; |
|
|
1885 | w_ = w_->next; /* lets us add this watcher */ |
|
|
1886 | |
|
|
1887 | w->wd = -1; |
|
|
1888 | |
|
|
1889 | if (fs_fd >= 0) |
|
|
1890 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
1891 | else |
|
|
1892 | ev_timer_start (EV_A_ &w->timer); |
|
|
1893 | } |
|
|
1894 | |
|
|
1895 | } |
|
|
1896 | } |
|
|
1897 | |
|
|
1898 | #endif |
|
|
1899 | |
|
|
1900 | void |
|
|
1901 | ev_stat_stat (EV_P_ ev_stat *w) |
|
|
1902 | { |
|
|
1903 | if (lstat (w->path, &w->attr) < 0) |
|
|
1904 | w->attr.st_nlink = 0; |
|
|
1905 | else if (!w->attr.st_nlink) |
|
|
1906 | w->attr.st_nlink = 1; |
|
|
1907 | } |
|
|
1908 | |
|
|
1909 | static void noinline |
|
|
1910 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
|
|
1911 | { |
|
|
1912 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
|
|
1913 | |
|
|
1914 | /* we copy this here each the time so that */ |
|
|
1915 | /* prev has the old value when the callback gets invoked */ |
|
|
1916 | w->prev = w->attr; |
|
|
1917 | ev_stat_stat (EV_A_ w); |
|
|
1918 | |
|
|
1919 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
|
|
1920 | if ( |
|
|
1921 | w->prev.st_dev != w->attr.st_dev |
|
|
1922 | || w->prev.st_ino != w->attr.st_ino |
|
|
1923 | || w->prev.st_mode != w->attr.st_mode |
|
|
1924 | || w->prev.st_nlink != w->attr.st_nlink |
|
|
1925 | || w->prev.st_uid != w->attr.st_uid |
|
|
1926 | || w->prev.st_gid != w->attr.st_gid |
|
|
1927 | || w->prev.st_rdev != w->attr.st_rdev |
|
|
1928 | || w->prev.st_size != w->attr.st_size |
|
|
1929 | || w->prev.st_atime != w->attr.st_atime |
|
|
1930 | || w->prev.st_mtime != w->attr.st_mtime |
|
|
1931 | || w->prev.st_ctime != w->attr.st_ctime |
|
|
1932 | ) { |
|
|
1933 | #if EV_USE_INOTIFY |
|
|
1934 | infy_del (EV_A_ w); |
|
|
1935 | infy_add (EV_A_ w); |
|
|
1936 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
1937 | #endif |
|
|
1938 | |
|
|
1939 | ev_feed_event (EV_A_ w, EV_STAT); |
|
|
1940 | } |
|
|
1941 | } |
|
|
1942 | |
|
|
1943 | void |
|
|
1944 | ev_stat_start (EV_P_ ev_stat *w) |
|
|
1945 | { |
|
|
1946 | if (expect_false (ev_is_active (w))) |
|
|
1947 | return; |
|
|
1948 | |
|
|
1949 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
1950 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
1951 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
1952 | |
|
|
1953 | ev_stat_stat (EV_A_ w); |
|
|
1954 | |
|
|
1955 | if (w->interval < MIN_STAT_INTERVAL) |
|
|
1956 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
1957 | |
|
|
1958 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
|
|
1959 | ev_set_priority (&w->timer, ev_priority (w)); |
|
|
1960 | |
|
|
1961 | #if EV_USE_INOTIFY |
|
|
1962 | infy_init (EV_A); |
|
|
1963 | |
|
|
1964 | if (fs_fd >= 0) |
|
|
1965 | infy_add (EV_A_ w); |
|
|
1966 | else |
|
|
1967 | #endif |
|
|
1968 | ev_timer_start (EV_A_ &w->timer); |
|
|
1969 | |
|
|
1970 | ev_start (EV_A_ (W)w, 1); |
|
|
1971 | } |
|
|
1972 | |
|
|
1973 | void |
|
|
1974 | ev_stat_stop (EV_P_ ev_stat *w) |
|
|
1975 | { |
|
|
1976 | ev_clear_pending (EV_A_ (W)w); |
|
|
1977 | if (expect_false (!ev_is_active (w))) |
|
|
1978 | return; |
|
|
1979 | |
|
|
1980 | #if EV_USE_INOTIFY |
|
|
1981 | infy_del (EV_A_ w); |
|
|
1982 | #endif |
|
|
1983 | ev_timer_stop (EV_A_ &w->timer); |
|
|
1984 | |
|
|
1985 | ev_stop (EV_A_ (W)w); |
|
|
1986 | } |
|
|
1987 | #endif |
|
|
1988 | |
|
|
1989 | void |
|
|
1990 | ev_idle_start (EV_P_ ev_idle *w) |
|
|
1991 | { |
|
|
1992 | if (expect_false (ev_is_active (w))) |
|
|
1993 | return; |
|
|
1994 | |
|
|
1995 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1996 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
|
|
1997 | idles [idlecnt - 1] = w; |
|
|
1998 | } |
|
|
1999 | |
|
|
2000 | void |
|
|
2001 | ev_idle_stop (EV_P_ ev_idle *w) |
|
|
2002 | { |
|
|
2003 | ev_clear_pending (EV_A_ (W)w); |
|
|
2004 | if (expect_false (!ev_is_active (w))) |
|
|
2005 | return; |
|
|
2006 | |
|
|
2007 | { |
|
|
2008 | int active = ((W)w)->active; |
|
|
2009 | idles [active - 1] = idles [--idlecnt]; |
|
|
2010 | ((W)idles [active - 1])->active = active; |
|
|
2011 | } |
|
|
2012 | |
|
|
2013 | ev_stop (EV_A_ (W)w); |
|
|
2014 | } |
|
|
2015 | |
|
|
2016 | void |
|
|
2017 | ev_prepare_start (EV_P_ ev_prepare *w) |
|
|
2018 | { |
|
|
2019 | if (expect_false (ev_is_active (w))) |
|
|
2020 | return; |
|
|
2021 | |
|
|
2022 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
2023 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
2024 | prepares [preparecnt - 1] = w; |
|
|
2025 | } |
|
|
2026 | |
|
|
2027 | void |
|
|
2028 | ev_prepare_stop (EV_P_ ev_prepare *w) |
|
|
2029 | { |
|
|
2030 | ev_clear_pending (EV_A_ (W)w); |
|
|
2031 | if (expect_false (!ev_is_active (w))) |
|
|
2032 | return; |
|
|
2033 | |
|
|
2034 | { |
|
|
2035 | int active = ((W)w)->active; |
|
|
2036 | prepares [active - 1] = prepares [--preparecnt]; |
|
|
2037 | ((W)prepares [active - 1])->active = active; |
|
|
2038 | } |
|
|
2039 | |
|
|
2040 | ev_stop (EV_A_ (W)w); |
|
|
2041 | } |
|
|
2042 | |
|
|
2043 | void |
|
|
2044 | ev_check_start (EV_P_ ev_check *w) |
|
|
2045 | { |
|
|
2046 | if (expect_false (ev_is_active (w))) |
|
|
2047 | return; |
|
|
2048 | |
|
|
2049 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
2050 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
2051 | checks [checkcnt - 1] = w; |
|
|
2052 | } |
|
|
2053 | |
|
|
2054 | void |
|
|
2055 | ev_check_stop (EV_P_ ev_check *w) |
|
|
2056 | { |
|
|
2057 | ev_clear_pending (EV_A_ (W)w); |
|
|
2058 | if (expect_false (!ev_is_active (w))) |
|
|
2059 | return; |
|
|
2060 | |
|
|
2061 | { |
|
|
2062 | int active = ((W)w)->active; |
|
|
2063 | checks [active - 1] = checks [--checkcnt]; |
|
|
2064 | ((W)checks [active - 1])->active = active; |
|
|
2065 | } |
|
|
2066 | |
|
|
2067 | ev_stop (EV_A_ (W)w); |
|
|
2068 | } |
|
|
2069 | |
|
|
2070 | #if EV_EMBED_ENABLE |
|
|
2071 | void noinline |
|
|
2072 | ev_embed_sweep (EV_P_ ev_embed *w) |
|
|
2073 | { |
|
|
2074 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
|
|
2075 | } |
|
|
2076 | |
|
|
2077 | static void |
|
|
2078 | embed_cb (EV_P_ ev_io *io, int revents) |
|
|
2079 | { |
|
|
2080 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
|
|
2081 | |
|
|
2082 | if (ev_cb (w)) |
|
|
2083 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
|
|
2084 | else |
|
|
2085 | ev_embed_sweep (loop, w); |
|
|
2086 | } |
|
|
2087 | |
|
|
2088 | void |
|
|
2089 | ev_embed_start (EV_P_ ev_embed *w) |
|
|
2090 | { |
|
|
2091 | if (expect_false (ev_is_active (w))) |
|
|
2092 | return; |
|
|
2093 | |
|
|
2094 | { |
|
|
2095 | struct ev_loop *loop = w->loop; |
|
|
2096 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
|
|
2097 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
|
|
2098 | } |
|
|
2099 | |
|
|
2100 | ev_set_priority (&w->io, ev_priority (w)); |
|
|
2101 | ev_io_start (EV_A_ &w->io); |
|
|
2102 | |
|
|
2103 | ev_start (EV_A_ (W)w, 1); |
|
|
2104 | } |
|
|
2105 | |
|
|
2106 | void |
|
|
2107 | ev_embed_stop (EV_P_ ev_embed *w) |
|
|
2108 | { |
|
|
2109 | ev_clear_pending (EV_A_ (W)w); |
|
|
2110 | if (expect_false (!ev_is_active (w))) |
|
|
2111 | return; |
|
|
2112 | |
|
|
2113 | ev_io_stop (EV_A_ &w->io); |
|
|
2114 | |
|
|
2115 | ev_stop (EV_A_ (W)w); |
|
|
2116 | } |
|
|
2117 | #endif |
|
|
2118 | |
|
|
2119 | #if EV_FORK_ENABLE |
|
|
2120 | void |
|
|
2121 | ev_fork_start (EV_P_ ev_fork *w) |
|
|
2122 | { |
|
|
2123 | if (expect_false (ev_is_active (w))) |
|
|
2124 | return; |
|
|
2125 | |
|
|
2126 | ev_start (EV_A_ (W)w, ++forkcnt); |
|
|
2127 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
|
|
2128 | forks [forkcnt - 1] = w; |
|
|
2129 | } |
|
|
2130 | |
|
|
2131 | void |
|
|
2132 | ev_fork_stop (EV_P_ ev_fork *w) |
|
|
2133 | { |
|
|
2134 | ev_clear_pending (EV_A_ (W)w); |
|
|
2135 | if (expect_false (!ev_is_active (w))) |
|
|
2136 | return; |
|
|
2137 | |
|
|
2138 | { |
|
|
2139 | int active = ((W)w)->active; |
|
|
2140 | forks [active - 1] = forks [--forkcnt]; |
|
|
2141 | ((W)forks [active - 1])->active = active; |
|
|
2142 | } |
|
|
2143 | |
|
|
2144 | ev_stop (EV_A_ (W)w); |
|
|
2145 | } |
|
|
2146 | #endif |
|
|
2147 | |
1664 | /*****************************************************************************/ |
2148 | /*****************************************************************************/ |
1665 | |
2149 | |
1666 | struct ev_once |
2150 | struct ev_once |
1667 | { |
2151 | { |
1668 | struct ev_io io; |
2152 | ev_io io; |
1669 | struct ev_timer to; |
2153 | ev_timer to; |
1670 | void (*cb)(int revents, void *arg); |
2154 | void (*cb)(int revents, void *arg); |
1671 | void *arg; |
2155 | void *arg; |
1672 | }; |
2156 | }; |
1673 | |
2157 | |
1674 | static void |
2158 | static void |
… | |
… | |
1683 | |
2167 | |
1684 | cb (revents, arg); |
2168 | cb (revents, arg); |
1685 | } |
2169 | } |
1686 | |
2170 | |
1687 | static void |
2171 | static void |
1688 | once_cb_io (EV_P_ struct ev_io *w, int revents) |
2172 | once_cb_io (EV_P_ ev_io *w, int revents) |
1689 | { |
2173 | { |
1690 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
2174 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1691 | } |
2175 | } |
1692 | |
2176 | |
1693 | static void |
2177 | static void |
1694 | once_cb_to (EV_P_ struct ev_timer *w, int revents) |
2178 | once_cb_to (EV_P_ ev_timer *w, int revents) |
1695 | { |
2179 | { |
1696 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
2180 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1697 | } |
2181 | } |
1698 | |
2182 | |
1699 | void |
2183 | void |