… | |
… | |
111 | #include <time.h> |
111 | #include <time.h> |
112 | |
112 | |
113 | #include <signal.h> |
113 | #include <signal.h> |
114 | |
114 | |
115 | #ifndef _WIN32 |
115 | #ifndef _WIN32 |
116 | # include <unistd.h> |
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|
117 | # include <sys/time.h> |
116 | # include <sys/time.h> |
118 | # include <sys/wait.h> |
117 | # include <sys/wait.h> |
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|
118 | # include <unistd.h> |
119 | #else |
119 | #else |
120 | # define WIN32_LEAN_AND_MEAN |
120 | # define WIN32_LEAN_AND_MEAN |
121 | # include <windows.h> |
121 | # include <windows.h> |
122 | # ifndef EV_SELECT_IS_WINSOCKET |
122 | # ifndef EV_SELECT_IS_WINSOCKET |
123 | # define EV_SELECT_IS_WINSOCKET 1 |
123 | # define EV_SELECT_IS_WINSOCKET 1 |
… | |
… | |
156 | |
156 | |
157 | #ifndef EV_USE_PORT |
157 | #ifndef EV_USE_PORT |
158 | # define EV_USE_PORT 0 |
158 | # define EV_USE_PORT 0 |
159 | #endif |
159 | #endif |
160 | |
160 | |
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|
161 | #ifndef EV_PID_HASHSIZE |
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|
162 | # if EV_MINIMAL |
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|
163 | # define EV_PID_HASHSIZE 1 |
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164 | # else |
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165 | # define EV_PID_HASHSIZE 16 |
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|
166 | # endif |
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|
167 | #endif |
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168 | |
161 | /**/ |
169 | /**/ |
162 | |
170 | |
163 | #ifndef CLOCK_MONOTONIC |
171 | #ifndef CLOCK_MONOTONIC |
164 | # undef EV_USE_MONOTONIC |
172 | # undef EV_USE_MONOTONIC |
165 | # define EV_USE_MONOTONIC 0 |
173 | # define EV_USE_MONOTONIC 0 |
… | |
… | |
176 | |
184 | |
177 | /**/ |
185 | /**/ |
178 | |
186 | |
179 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
187 | #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) */ |
188 | #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 */ |
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|
182 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
189 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
183 | |
190 | |
184 | #ifdef EV_H |
191 | #ifdef EV_H |
185 | # include EV_H |
192 | # include EV_H |
186 | #else |
193 | #else |
187 | # include "ev.h" |
194 | # include "ev.h" |
188 | #endif |
195 | #endif |
189 | |
196 | |
190 | #if __GNUC__ >= 3 |
197 | #if __GNUC__ >= 3 |
191 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
198 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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199 | # define inline_size static inline /* inline for codesize */ |
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200 | # if EV_MINIMAL |
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201 | # define noinline __attribute__ ((noinline)) |
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202 | # define inline_speed static noinline |
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203 | # else |
|
|
204 | # define noinline |
192 | # define inline static inline |
205 | # define inline_speed static inline |
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|
206 | # endif |
193 | #else |
207 | #else |
194 | # define expect(expr,value) (expr) |
208 | # define expect(expr,value) (expr) |
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|
209 | # define inline_speed static |
195 | # define inline static |
210 | # define inline_size static |
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211 | # define noinline |
196 | #endif |
212 | #endif |
197 | |
213 | |
198 | #define expect_false(expr) expect ((expr) != 0, 0) |
214 | #define expect_false(expr) expect ((expr) != 0, 0) |
199 | #define expect_true(expr) expect ((expr) != 0, 1) |
215 | #define expect_true(expr) expect ((expr) != 0, 1) |
200 | |
216 | |
… | |
… | |
216 | |
232 | |
217 | /*****************************************************************************/ |
233 | /*****************************************************************************/ |
218 | |
234 | |
219 | static void (*syserr_cb)(const char *msg); |
235 | static void (*syserr_cb)(const char *msg); |
220 | |
236 | |
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|
237 | void |
221 | void ev_set_syserr_cb (void (*cb)(const char *msg)) |
238 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
222 | { |
239 | { |
223 | syserr_cb = cb; |
240 | syserr_cb = cb; |
224 | } |
241 | } |
225 | |
242 | |
226 | static void |
243 | static void noinline |
227 | syserr (const char *msg) |
244 | syserr (const char *msg) |
228 | { |
245 | { |
229 | if (!msg) |
246 | if (!msg) |
230 | msg = "(libev) system error"; |
247 | msg = "(libev) system error"; |
231 | |
248 | |
… | |
… | |
236 | perror (msg); |
253 | perror (msg); |
237 | abort (); |
254 | abort (); |
238 | } |
255 | } |
239 | } |
256 | } |
240 | |
257 | |
241 | static void *(*alloc)(void *ptr, long size); |
258 | static void *(*alloc)(void *ptr, size_t size) = realloc; |
242 | |
259 | |
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260 | void |
243 | void ev_set_allocator (void *(*cb)(void *ptr, long size)) |
261 | ev_set_allocator (void *(*cb)(void *ptr, size_t size)) |
244 | { |
262 | { |
245 | alloc = cb; |
263 | alloc = cb; |
246 | } |
264 | } |
247 | |
265 | |
248 | static void * |
266 | inline_speed void * |
249 | ev_realloc (void *ptr, long size) |
267 | ev_realloc (void *ptr, size_t size) |
250 | { |
268 | { |
251 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
269 | ptr = alloc (ptr, size); |
252 | |
270 | |
253 | if (!ptr && size) |
271 | if (!ptr && size) |
254 | { |
272 | { |
255 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
273 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", (long)size); |
256 | abort (); |
274 | abort (); |
257 | } |
275 | } |
258 | |
276 | |
259 | return ptr; |
277 | return ptr; |
260 | } |
278 | } |
… | |
… | |
320 | gettimeofday (&tv, 0); |
338 | gettimeofday (&tv, 0); |
321 | return tv.tv_sec + tv.tv_usec * 1e-6; |
339 | return tv.tv_sec + tv.tv_usec * 1e-6; |
322 | #endif |
340 | #endif |
323 | } |
341 | } |
324 | |
342 | |
325 | inline ev_tstamp |
343 | ev_tstamp inline_size |
326 | get_clock (void) |
344 | get_clock (void) |
327 | { |
345 | { |
328 | #if EV_USE_MONOTONIC |
346 | #if EV_USE_MONOTONIC |
329 | if (expect_true (have_monotonic)) |
347 | if (expect_true (have_monotonic)) |
330 | { |
348 | { |
… | |
… | |
373 | #define array_free(stem, idx) \ |
391 | #define array_free(stem, idx) \ |
374 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
392 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
375 | |
393 | |
376 | /*****************************************************************************/ |
394 | /*****************************************************************************/ |
377 | |
395 | |
378 | static void |
396 | void noinline |
379 | anfds_init (ANFD *base, int count) |
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380 | { |
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|
381 | while (count--) |
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382 | { |
|
|
383 | base->head = 0; |
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|
384 | base->events = EV_NONE; |
|
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385 | base->reify = 0; |
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386 | |
|
|
387 | ++base; |
|
|
388 | } |
|
|
389 | } |
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390 | |
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|
391 | void |
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|
392 | ev_feed_event (EV_P_ void *w, int revents) |
397 | ev_feed_event (EV_P_ void *w, int revents) |
393 | { |
398 | { |
394 | W w_ = (W)w; |
399 | W w_ = (W)w; |
395 | |
400 | |
396 | if (expect_false (w_->pending)) |
401 | if (expect_false (w_->pending)) |
… | |
… | |
403 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
408 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
404 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
409 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
405 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
410 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
406 | } |
411 | } |
407 | |
412 | |
408 | static void |
413 | void inline_size |
409 | queue_events (EV_P_ W *events, int eventcnt, int type) |
414 | queue_events (EV_P_ W *events, int eventcnt, int type) |
410 | { |
415 | { |
411 | int i; |
416 | int i; |
412 | |
417 | |
413 | for (i = 0; i < eventcnt; ++i) |
418 | for (i = 0; i < eventcnt; ++i) |
414 | ev_feed_event (EV_A_ events [i], type); |
419 | ev_feed_event (EV_A_ events [i], type); |
415 | } |
420 | } |
416 | |
421 | |
417 | inline void |
422 | /*****************************************************************************/ |
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|
423 | |
|
|
424 | void inline_size |
|
|
425 | anfds_init (ANFD *base, int count) |
|
|
426 | { |
|
|
427 | while (count--) |
|
|
428 | { |
|
|
429 | base->head = 0; |
|
|
430 | base->events = EV_NONE; |
|
|
431 | base->reify = 0; |
|
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432 | |
|
|
433 | ++base; |
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|
434 | } |
|
|
435 | } |
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|
436 | |
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|
437 | void inline_speed |
418 | fd_event (EV_P_ int fd, int revents) |
438 | fd_event (EV_P_ int fd, int revents) |
419 | { |
439 | { |
420 | ANFD *anfd = anfds + fd; |
440 | ANFD *anfd = anfds + fd; |
421 | ev_io *w; |
441 | ev_io *w; |
422 | |
442 | |
… | |
… | |
433 | ev_feed_fd_event (EV_P_ int fd, int revents) |
453 | ev_feed_fd_event (EV_P_ int fd, int revents) |
434 | { |
454 | { |
435 | fd_event (EV_A_ fd, revents); |
455 | fd_event (EV_A_ fd, revents); |
436 | } |
456 | } |
437 | |
457 | |
438 | /*****************************************************************************/ |
458 | void inline_size |
439 | |
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|
440 | inline void |
|
|
441 | fd_reify (EV_P) |
459 | fd_reify (EV_P) |
442 | { |
460 | { |
443 | int i; |
461 | int i; |
444 | |
462 | |
445 | for (i = 0; i < fdchangecnt; ++i) |
463 | for (i = 0; i < fdchangecnt; ++i) |
… | |
… | |
469 | } |
487 | } |
470 | |
488 | |
471 | fdchangecnt = 0; |
489 | fdchangecnt = 0; |
472 | } |
490 | } |
473 | |
491 | |
474 | static void |
492 | void inline_size |
475 | fd_change (EV_P_ int fd) |
493 | fd_change (EV_P_ int fd) |
476 | { |
494 | { |
477 | if (expect_false (anfds [fd].reify)) |
495 | if (expect_false (anfds [fd].reify)) |
478 | return; |
496 | return; |
479 | |
497 | |
… | |
… | |
482 | ++fdchangecnt; |
500 | ++fdchangecnt; |
483 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
501 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
484 | fdchanges [fdchangecnt - 1] = fd; |
502 | fdchanges [fdchangecnt - 1] = fd; |
485 | } |
503 | } |
486 | |
504 | |
487 | static void |
505 | void inline_speed |
488 | fd_kill (EV_P_ int fd) |
506 | fd_kill (EV_P_ int fd) |
489 | { |
507 | { |
490 | ev_io *w; |
508 | ev_io *w; |
491 | |
509 | |
492 | while ((w = (ev_io *)anfds [fd].head)) |
510 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
494 | ev_io_stop (EV_A_ w); |
512 | ev_io_stop (EV_A_ w); |
495 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
513 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
496 | } |
514 | } |
497 | } |
515 | } |
498 | |
516 | |
499 | inline int |
517 | int inline_size |
500 | fd_valid (int fd) |
518 | fd_valid (int fd) |
501 | { |
519 | { |
502 | #ifdef _WIN32 |
520 | #ifdef _WIN32 |
503 | return _get_osfhandle (fd) != -1; |
521 | return _get_osfhandle (fd) != -1; |
504 | #else |
522 | #else |
505 | return fcntl (fd, F_GETFD) != -1; |
523 | return fcntl (fd, F_GETFD) != -1; |
506 | #endif |
524 | #endif |
507 | } |
525 | } |
508 | |
526 | |
509 | /* called on EBADF to verify fds */ |
527 | /* called on EBADF to verify fds */ |
510 | static void |
528 | static void noinline |
511 | fd_ebadf (EV_P) |
529 | fd_ebadf (EV_P) |
512 | { |
530 | { |
513 | int fd; |
531 | int fd; |
514 | |
532 | |
515 | for (fd = 0; fd < anfdmax; ++fd) |
533 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
517 | if (!fd_valid (fd) == -1 && errno == EBADF) |
535 | if (!fd_valid (fd) == -1 && errno == EBADF) |
518 | fd_kill (EV_A_ fd); |
536 | fd_kill (EV_A_ fd); |
519 | } |
537 | } |
520 | |
538 | |
521 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
539 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
522 | static void |
540 | static void noinline |
523 | fd_enomem (EV_P) |
541 | fd_enomem (EV_P) |
524 | { |
542 | { |
525 | int fd; |
543 | int fd; |
526 | |
544 | |
527 | for (fd = anfdmax; fd--; ) |
545 | for (fd = anfdmax; fd--; ) |
… | |
… | |
531 | return; |
549 | return; |
532 | } |
550 | } |
533 | } |
551 | } |
534 | |
552 | |
535 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
553 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
536 | static void |
554 | static void noinline |
537 | fd_rearm_all (EV_P) |
555 | fd_rearm_all (EV_P) |
538 | { |
556 | { |
539 | int fd; |
557 | int fd; |
540 | |
558 | |
541 | /* this should be highly optimised to not do anything but set a flag */ |
559 | /* this should be highly optimised to not do anything but set a flag */ |
… | |
… | |
547 | } |
565 | } |
548 | } |
566 | } |
549 | |
567 | |
550 | /*****************************************************************************/ |
568 | /*****************************************************************************/ |
551 | |
569 | |
552 | static void |
570 | void inline_speed |
553 | upheap (WT *heap, int k) |
571 | upheap (WT *heap, int k) |
554 | { |
572 | { |
555 | WT w = heap [k]; |
573 | WT w = heap [k]; |
556 | |
574 | |
557 | while (k && heap [k >> 1]->at > w->at) |
575 | while (k && heap [k >> 1]->at > w->at) |
… | |
… | |
564 | heap [k] = w; |
582 | heap [k] = w; |
565 | ((W)heap [k])->active = k + 1; |
583 | ((W)heap [k])->active = k + 1; |
566 | |
584 | |
567 | } |
585 | } |
568 | |
586 | |
569 | static void |
587 | void inline_speed |
570 | downheap (WT *heap, int N, int k) |
588 | downheap (WT *heap, int N, int k) |
571 | { |
589 | { |
572 | WT w = heap [k]; |
590 | WT w = heap [k]; |
573 | |
591 | |
574 | while (k < (N >> 1)) |
592 | while (k < (N >> 1)) |
… | |
… | |
588 | |
606 | |
589 | heap [k] = w; |
607 | heap [k] = w; |
590 | ((W)heap [k])->active = k + 1; |
608 | ((W)heap [k])->active = k + 1; |
591 | } |
609 | } |
592 | |
610 | |
593 | inline void |
611 | void inline_size |
594 | adjustheap (WT *heap, int N, int k) |
612 | adjustheap (WT *heap, int N, int k) |
595 | { |
613 | { |
596 | upheap (heap, k); |
614 | upheap (heap, k); |
597 | downheap (heap, N, k); |
615 | downheap (heap, N, k); |
598 | } |
616 | } |
… | |
… | |
610 | |
628 | |
611 | static int sigpipe [2]; |
629 | static int sigpipe [2]; |
612 | static sig_atomic_t volatile gotsig; |
630 | static sig_atomic_t volatile gotsig; |
613 | static ev_io sigev; |
631 | static ev_io sigev; |
614 | |
632 | |
615 | static void |
633 | void inline_size |
616 | signals_init (ANSIG *base, int count) |
634 | signals_init (ANSIG *base, int count) |
617 | { |
635 | { |
618 | while (count--) |
636 | while (count--) |
619 | { |
637 | { |
620 | base->head = 0; |
638 | base->head = 0; |
… | |
… | |
640 | write (sigpipe [1], &signum, 1); |
658 | write (sigpipe [1], &signum, 1); |
641 | errno = old_errno; |
659 | errno = old_errno; |
642 | } |
660 | } |
643 | } |
661 | } |
644 | |
662 | |
645 | void |
663 | void noinline |
646 | ev_feed_signal_event (EV_P_ int signum) |
664 | ev_feed_signal_event (EV_P_ int signum) |
647 | { |
665 | { |
648 | WL w; |
666 | WL w; |
649 | |
667 | |
650 | #if EV_MULTIPLICITY |
668 | #if EV_MULTIPLICITY |
… | |
… | |
673 | for (signum = signalmax; signum--; ) |
691 | for (signum = signalmax; signum--; ) |
674 | if (signals [signum].gotsig) |
692 | if (signals [signum].gotsig) |
675 | ev_feed_signal_event (EV_A_ signum + 1); |
693 | ev_feed_signal_event (EV_A_ signum + 1); |
676 | } |
694 | } |
677 | |
695 | |
678 | static void |
696 | void inline_size |
679 | fd_intern (int fd) |
697 | fd_intern (int fd) |
680 | { |
698 | { |
681 | #ifdef _WIN32 |
699 | #ifdef _WIN32 |
682 | int arg = 1; |
700 | int arg = 1; |
683 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
701 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
685 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
703 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
686 | fcntl (fd, F_SETFL, O_NONBLOCK); |
704 | fcntl (fd, F_SETFL, O_NONBLOCK); |
687 | #endif |
705 | #endif |
688 | } |
706 | } |
689 | |
707 | |
690 | static void |
708 | static void noinline |
691 | siginit (EV_P) |
709 | siginit (EV_P) |
692 | { |
710 | { |
693 | fd_intern (sigpipe [0]); |
711 | fd_intern (sigpipe [0]); |
694 | fd_intern (sigpipe [1]); |
712 | fd_intern (sigpipe [1]); |
695 | |
713 | |
… | |
… | |
698 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
716 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
699 | } |
717 | } |
700 | |
718 | |
701 | /*****************************************************************************/ |
719 | /*****************************************************************************/ |
702 | |
720 | |
703 | static ev_child *childs [PID_HASHSIZE]; |
721 | static ev_child *childs [EV_PID_HASHSIZE]; |
704 | |
722 | |
705 | #ifndef _WIN32 |
723 | #ifndef _WIN32 |
706 | |
724 | |
707 | static ev_signal childev; |
725 | static ev_signal childev; |
708 | |
726 | |
709 | #ifndef WCONTINUED |
727 | void inline_speed |
710 | # define WCONTINUED 0 |
|
|
711 | #endif |
|
|
712 | |
|
|
713 | static void |
|
|
714 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
728 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
715 | { |
729 | { |
716 | ev_child *w; |
730 | ev_child *w; |
717 | |
731 | |
718 | for (w = (ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
732 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
719 | if (w->pid == pid || !w->pid) |
733 | if (w->pid == pid || !w->pid) |
720 | { |
734 | { |
721 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
735 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
722 | w->rpid = pid; |
736 | w->rpid = pid; |
723 | w->rstatus = status; |
737 | w->rstatus = status; |
724 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
738 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
725 | } |
739 | } |
726 | } |
740 | } |
727 | |
741 | |
|
|
742 | #ifndef WCONTINUED |
|
|
743 | # define WCONTINUED 0 |
|
|
744 | #endif |
|
|
745 | |
728 | static void |
746 | static void |
729 | childcb (EV_P_ ev_signal *sw, int revents) |
747 | childcb (EV_P_ ev_signal *sw, int revents) |
730 | { |
748 | { |
731 | int pid, status; |
749 | int pid, status; |
732 | |
750 | |
|
|
751 | /* some systems define WCONTINUED but then fail to support it (linux 2.4) */ |
733 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
752 | if (0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
734 | { |
753 | if (!WCONTINUED |
|
|
754 | || errno != EINVAL |
|
|
755 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
|
|
756 | return; |
|
|
757 | |
735 | /* make sure we are called again until all childs have been reaped */ |
758 | /* 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 */ |
759 | /* 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); |
760 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
738 | |
761 | |
739 | child_reap (EV_A_ sw, pid, pid, status); |
762 | child_reap (EV_A_ sw, pid, pid, status); |
|
|
763 | 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 */ |
764 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
741 | } |
|
|
742 | } |
765 | } |
743 | |
766 | |
744 | #endif |
767 | #endif |
745 | |
768 | |
746 | /*****************************************************************************/ |
769 | /*****************************************************************************/ |
… | |
… | |
772 | { |
795 | { |
773 | return EV_VERSION_MINOR; |
796 | return EV_VERSION_MINOR; |
774 | } |
797 | } |
775 | |
798 | |
776 | /* return true if we are running with elevated privileges and should ignore env variables */ |
799 | /* return true if we are running with elevated privileges and should ignore env variables */ |
777 | static int |
800 | int inline_size |
778 | enable_secure (void) |
801 | enable_secure (void) |
779 | { |
802 | { |
780 | #ifdef _WIN32 |
803 | #ifdef _WIN32 |
781 | return 0; |
804 | return 0; |
782 | #else |
805 | #else |
… | |
… | |
904 | array_free (pending, [i]); |
927 | array_free (pending, [i]); |
905 | |
928 | |
906 | /* have to use the microsoft-never-gets-it-right macro */ |
929 | /* have to use the microsoft-never-gets-it-right macro */ |
907 | array_free (fdchange, EMPTY0); |
930 | array_free (fdchange, EMPTY0); |
908 | array_free (timer, EMPTY0); |
931 | array_free (timer, EMPTY0); |
909 | #if EV_PERIODICS |
932 | #if EV_PERIODIC_ENABLE |
910 | array_free (periodic, EMPTY0); |
933 | array_free (periodic, EMPTY0); |
911 | #endif |
934 | #endif |
912 | array_free (idle, EMPTY0); |
935 | array_free (idle, EMPTY0); |
913 | array_free (prepare, EMPTY0); |
936 | array_free (prepare, EMPTY0); |
914 | array_free (check, EMPTY0); |
937 | array_free (check, EMPTY0); |
… | |
… | |
1050 | postfork = 1; |
1073 | postfork = 1; |
1051 | } |
1074 | } |
1052 | |
1075 | |
1053 | /*****************************************************************************/ |
1076 | /*****************************************************************************/ |
1054 | |
1077 | |
1055 | static int |
1078 | int inline_size |
1056 | any_pending (EV_P) |
1079 | any_pending (EV_P) |
1057 | { |
1080 | { |
1058 | int pri; |
1081 | int pri; |
1059 | |
1082 | |
1060 | for (pri = NUMPRI; pri--; ) |
1083 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
1062 | return 1; |
1085 | return 1; |
1063 | |
1086 | |
1064 | return 0; |
1087 | return 0; |
1065 | } |
1088 | } |
1066 | |
1089 | |
1067 | inline void |
1090 | void inline_speed |
1068 | call_pending (EV_P) |
1091 | call_pending (EV_P) |
1069 | { |
1092 | { |
1070 | int pri; |
1093 | int pri; |
1071 | |
1094 | |
1072 | for (pri = NUMPRI; pri--; ) |
1095 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
1074 | { |
1097 | { |
1075 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1098 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1076 | |
1099 | |
1077 | if (expect_true (p->w)) |
1100 | if (expect_true (p->w)) |
1078 | { |
1101 | { |
|
|
1102 | assert (("non-pending watcher on pending list", p->w->pending)); |
|
|
1103 | |
1079 | p->w->pending = 0; |
1104 | p->w->pending = 0; |
1080 | EV_CB_INVOKE (p->w, p->events); |
1105 | EV_CB_INVOKE (p->w, p->events); |
1081 | } |
1106 | } |
1082 | } |
1107 | } |
1083 | } |
1108 | } |
1084 | |
1109 | |
1085 | inline void |
1110 | void inline_size |
1086 | timers_reify (EV_P) |
1111 | timers_reify (EV_P) |
1087 | { |
1112 | { |
1088 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1113 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1089 | { |
1114 | { |
1090 | ev_timer *w = timers [0]; |
1115 | ev_timer *w = timers [0]; |
… | |
… | |
1107 | |
1132 | |
1108 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1133 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1109 | } |
1134 | } |
1110 | } |
1135 | } |
1111 | |
1136 | |
1112 | #if EV_PERIODICS |
1137 | #if EV_PERIODIC_ENABLE |
1113 | inline void |
1138 | void inline_size |
1114 | periodics_reify (EV_P) |
1139 | periodics_reify (EV_P) |
1115 | { |
1140 | { |
1116 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1141 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1117 | { |
1142 | { |
1118 | ev_periodic *w = periodics [0]; |
1143 | ev_periodic *w = periodics [0]; |
… | |
… | |
1137 | |
1162 | |
1138 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1163 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1139 | } |
1164 | } |
1140 | } |
1165 | } |
1141 | |
1166 | |
1142 | static void |
1167 | static void noinline |
1143 | periodics_reschedule (EV_P) |
1168 | periodics_reschedule (EV_P) |
1144 | { |
1169 | { |
1145 | int i; |
1170 | int i; |
1146 | |
1171 | |
1147 | /* adjust periodics after time jump */ |
1172 | /* adjust periodics after time jump */ |
… | |
… | |
1159 | for (i = periodiccnt >> 1; i--; ) |
1184 | for (i = periodiccnt >> 1; i--; ) |
1160 | downheap ((WT *)periodics, periodiccnt, i); |
1185 | downheap ((WT *)periodics, periodiccnt, i); |
1161 | } |
1186 | } |
1162 | #endif |
1187 | #endif |
1163 | |
1188 | |
1164 | inline int |
1189 | int inline_size |
1165 | time_update_monotonic (EV_P) |
1190 | time_update_monotonic (EV_P) |
1166 | { |
1191 | { |
1167 | mn_now = get_clock (); |
1192 | mn_now = get_clock (); |
1168 | |
1193 | |
1169 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1194 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
… | |
… | |
1177 | ev_rt_now = ev_time (); |
1202 | ev_rt_now = ev_time (); |
1178 | return 1; |
1203 | return 1; |
1179 | } |
1204 | } |
1180 | } |
1205 | } |
1181 | |
1206 | |
1182 | inline void |
1207 | void inline_size |
1183 | time_update (EV_P) |
1208 | time_update (EV_P) |
1184 | { |
1209 | { |
1185 | int i; |
1210 | int i; |
1186 | |
1211 | |
1187 | #if EV_USE_MONOTONIC |
1212 | #if EV_USE_MONOTONIC |
… | |
… | |
1189 | { |
1214 | { |
1190 | if (time_update_monotonic (EV_A)) |
1215 | if (time_update_monotonic (EV_A)) |
1191 | { |
1216 | { |
1192 | ev_tstamp odiff = rtmn_diff; |
1217 | ev_tstamp odiff = rtmn_diff; |
1193 | |
1218 | |
1194 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1219 | /* loop a few times, before making important decisions. |
|
|
1220 | * on the choice of "4": one iteration isn't enough, |
|
|
1221 | * in case we get preempted during the calls to |
|
|
1222 | * ev_time and get_clock. a second call is almost guarenteed |
|
|
1223 | * to succeed in that case, though. and looping a few more times |
|
|
1224 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1225 | * in the unlikely event of getting preempted here. |
|
|
1226 | */ |
|
|
1227 | for (i = 4; --i; ) |
1195 | { |
1228 | { |
1196 | rtmn_diff = ev_rt_now - mn_now; |
1229 | rtmn_diff = ev_rt_now - mn_now; |
1197 | |
1230 | |
1198 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1231 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1199 | return; /* all is well */ |
1232 | return; /* all is well */ |
… | |
… | |
1201 | ev_rt_now = ev_time (); |
1234 | ev_rt_now = ev_time (); |
1202 | mn_now = get_clock (); |
1235 | mn_now = get_clock (); |
1203 | now_floor = mn_now; |
1236 | now_floor = mn_now; |
1204 | } |
1237 | } |
1205 | |
1238 | |
1206 | # if EV_PERIODICS |
1239 | # if EV_PERIODIC_ENABLE |
1207 | periodics_reschedule (EV_A); |
1240 | periodics_reschedule (EV_A); |
1208 | # endif |
1241 | # endif |
1209 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1242 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1210 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1243 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1211 | } |
1244 | } |
… | |
… | |
1215 | { |
1248 | { |
1216 | ev_rt_now = ev_time (); |
1249 | ev_rt_now = ev_time (); |
1217 | |
1250 | |
1218 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1251 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1219 | { |
1252 | { |
1220 | #if EV_PERIODICS |
1253 | #if EV_PERIODIC_ENABLE |
1221 | periodics_reschedule (EV_A); |
1254 | periodics_reschedule (EV_A); |
1222 | #endif |
1255 | #endif |
1223 | |
1256 | |
1224 | /* adjust timers. this is easy, as the offset is the same for all */ |
1257 | /* adjust timers. this is easy, as the offset is the same for all */ |
1225 | for (i = 0; i < timercnt; ++i) |
1258 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
1251 | ? EVUNLOOP_ONE |
1284 | ? EVUNLOOP_ONE |
1252 | : EVUNLOOP_CANCEL; |
1285 | : EVUNLOOP_CANCEL; |
1253 | |
1286 | |
1254 | while (activecnt) |
1287 | while (activecnt) |
1255 | { |
1288 | { |
|
|
1289 | /* we might have forked, so reify kernel state if necessary */ |
|
|
1290 | #if EV_FORK_ENABLE |
|
|
1291 | if (expect_false (postfork)) |
|
|
1292 | if (forkcnt) |
|
|
1293 | { |
|
|
1294 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
|
|
1295 | call_pending (EV_A); |
|
|
1296 | } |
|
|
1297 | #endif |
|
|
1298 | |
1256 | /* queue check watchers (and execute them) */ |
1299 | /* queue check watchers (and execute them) */ |
1257 | if (expect_false (preparecnt)) |
1300 | if (expect_false (preparecnt)) |
1258 | { |
1301 | { |
1259 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1302 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1260 | call_pending (EV_A); |
1303 | call_pending (EV_A); |
… | |
… | |
1292 | { |
1335 | { |
1293 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1336 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1294 | if (block > to) block = to; |
1337 | if (block > to) block = to; |
1295 | } |
1338 | } |
1296 | |
1339 | |
1297 | #if EV_PERIODICS |
1340 | #if EV_PERIODIC_ENABLE |
1298 | if (periodiccnt) |
1341 | if (periodiccnt) |
1299 | { |
1342 | { |
1300 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1343 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1301 | if (block > to) block = to; |
1344 | if (block > to) block = to; |
1302 | } |
1345 | } |
… | |
… | |
1311 | /* update ev_rt_now, do magic */ |
1354 | /* update ev_rt_now, do magic */ |
1312 | time_update (EV_A); |
1355 | time_update (EV_A); |
1313 | |
1356 | |
1314 | /* queue pending timers and reschedule them */ |
1357 | /* queue pending timers and reschedule them */ |
1315 | timers_reify (EV_A); /* relative timers called last */ |
1358 | timers_reify (EV_A); /* relative timers called last */ |
1316 | #if EV_PERIODICS |
1359 | #if EV_PERIODIC_ENABLE |
1317 | periodics_reify (EV_A); /* absolute timers called first */ |
1360 | periodics_reify (EV_A); /* absolute timers called first */ |
1318 | #endif |
1361 | #endif |
1319 | |
1362 | |
1320 | /* queue idle watchers unless io or timers are pending */ |
1363 | /* queue idle watchers unless other events are pending */ |
1321 | if (idlecnt && !any_pending (EV_A)) |
1364 | if (idlecnt && !any_pending (EV_A)) |
1322 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1365 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1323 | |
1366 | |
1324 | /* queue check watchers, to be executed first */ |
1367 | /* queue check watchers, to be executed first */ |
1325 | if (expect_false (checkcnt)) |
1368 | if (expect_false (checkcnt)) |
… | |
… | |
1341 | loop_done = how; |
1384 | loop_done = how; |
1342 | } |
1385 | } |
1343 | |
1386 | |
1344 | /*****************************************************************************/ |
1387 | /*****************************************************************************/ |
1345 | |
1388 | |
1346 | inline void |
1389 | void inline_size |
1347 | wlist_add (WL *head, WL elem) |
1390 | wlist_add (WL *head, WL elem) |
1348 | { |
1391 | { |
1349 | elem->next = *head; |
1392 | elem->next = *head; |
1350 | *head = elem; |
1393 | *head = elem; |
1351 | } |
1394 | } |
1352 | |
1395 | |
1353 | inline void |
1396 | void inline_size |
1354 | wlist_del (WL *head, WL elem) |
1397 | wlist_del (WL *head, WL elem) |
1355 | { |
1398 | { |
1356 | while (*head) |
1399 | while (*head) |
1357 | { |
1400 | { |
1358 | if (*head == elem) |
1401 | if (*head == elem) |
… | |
… | |
1363 | |
1406 | |
1364 | head = &(*head)->next; |
1407 | head = &(*head)->next; |
1365 | } |
1408 | } |
1366 | } |
1409 | } |
1367 | |
1410 | |
1368 | inline void |
1411 | void inline_speed |
1369 | ev_clear_pending (EV_P_ W w) |
1412 | ev_clear_pending (EV_P_ W w) |
1370 | { |
1413 | { |
1371 | if (w->pending) |
1414 | if (w->pending) |
1372 | { |
1415 | { |
1373 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1416 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1374 | w->pending = 0; |
1417 | w->pending = 0; |
1375 | } |
1418 | } |
1376 | } |
1419 | } |
1377 | |
1420 | |
1378 | inline void |
1421 | void inline_speed |
1379 | ev_start (EV_P_ W w, int active) |
1422 | ev_start (EV_P_ W w, int active) |
1380 | { |
1423 | { |
1381 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1424 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1382 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
1425 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
1383 | |
1426 | |
1384 | w->active = active; |
1427 | w->active = active; |
1385 | ev_ref (EV_A); |
1428 | ev_ref (EV_A); |
1386 | } |
1429 | } |
1387 | |
1430 | |
1388 | inline void |
1431 | void inline_size |
1389 | ev_stop (EV_P_ W w) |
1432 | ev_stop (EV_P_ W w) |
1390 | { |
1433 | { |
1391 | ev_unref (EV_A); |
1434 | ev_unref (EV_A); |
1392 | w->active = 0; |
1435 | w->active = 0; |
1393 | } |
1436 | } |
… | |
… | |
1482 | w->at = w->repeat; |
1525 | w->at = w->repeat; |
1483 | ev_timer_start (EV_A_ w); |
1526 | ev_timer_start (EV_A_ w); |
1484 | } |
1527 | } |
1485 | } |
1528 | } |
1486 | |
1529 | |
1487 | #if EV_PERIODICS |
1530 | #if EV_PERIODIC_ENABLE |
1488 | void |
1531 | void |
1489 | ev_periodic_start (EV_P_ ev_periodic *w) |
1532 | ev_periodic_start (EV_P_ ev_periodic *w) |
1490 | { |
1533 | { |
1491 | if (expect_false (ev_is_active (w))) |
1534 | if (expect_false (ev_is_active (w))) |
1492 | return; |
1535 | return; |
… | |
… | |
1532 | /* TODO: use adjustheap and recalculation */ |
1575 | /* TODO: use adjustheap and recalculation */ |
1533 | ev_periodic_stop (EV_A_ w); |
1576 | ev_periodic_stop (EV_A_ w); |
1534 | ev_periodic_start (EV_A_ w); |
1577 | ev_periodic_start (EV_A_ w); |
1535 | } |
1578 | } |
1536 | #endif |
1579 | #endif |
1537 | |
|
|
1538 | void |
|
|
1539 | ev_idle_start (EV_P_ ev_idle *w) |
|
|
1540 | { |
|
|
1541 | if (expect_false (ev_is_active (w))) |
|
|
1542 | return; |
|
|
1543 | |
|
|
1544 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1545 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
|
|
1546 | idles [idlecnt - 1] = w; |
|
|
1547 | } |
|
|
1548 | |
|
|
1549 | void |
|
|
1550 | ev_idle_stop (EV_P_ ev_idle *w) |
|
|
1551 | { |
|
|
1552 | ev_clear_pending (EV_A_ (W)w); |
|
|
1553 | if (expect_false (!ev_is_active (w))) |
|
|
1554 | return; |
|
|
1555 | |
|
|
1556 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
|
|
1557 | ev_stop (EV_A_ (W)w); |
|
|
1558 | } |
|
|
1559 | |
|
|
1560 | void |
|
|
1561 | ev_prepare_start (EV_P_ ev_prepare *w) |
|
|
1562 | { |
|
|
1563 | if (expect_false (ev_is_active (w))) |
|
|
1564 | return; |
|
|
1565 | |
|
|
1566 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1567 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
1568 | prepares [preparecnt - 1] = w; |
|
|
1569 | } |
|
|
1570 | |
|
|
1571 | void |
|
|
1572 | ev_prepare_stop (EV_P_ ev_prepare *w) |
|
|
1573 | { |
|
|
1574 | ev_clear_pending (EV_A_ (W)w); |
|
|
1575 | if (expect_false (!ev_is_active (w))) |
|
|
1576 | return; |
|
|
1577 | |
|
|
1578 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
|
|
1579 | ev_stop (EV_A_ (W)w); |
|
|
1580 | } |
|
|
1581 | |
|
|
1582 | void |
|
|
1583 | ev_check_start (EV_P_ ev_check *w) |
|
|
1584 | { |
|
|
1585 | if (expect_false (ev_is_active (w))) |
|
|
1586 | return; |
|
|
1587 | |
|
|
1588 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1589 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
1590 | checks [checkcnt - 1] = w; |
|
|
1591 | } |
|
|
1592 | |
|
|
1593 | void |
|
|
1594 | ev_check_stop (EV_P_ ev_check *w) |
|
|
1595 | { |
|
|
1596 | ev_clear_pending (EV_A_ (W)w); |
|
|
1597 | if (expect_false (!ev_is_active (w))) |
|
|
1598 | return; |
|
|
1599 | |
|
|
1600 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
|
|
1601 | ev_stop (EV_A_ (W)w); |
|
|
1602 | } |
|
|
1603 | |
1580 | |
1604 | #ifndef SA_RESTART |
1581 | #ifndef SA_RESTART |
1605 | # define SA_RESTART 0 |
1582 | # define SA_RESTART 0 |
1606 | #endif |
1583 | #endif |
1607 | |
1584 | |
… | |
… | |
1656 | #endif |
1633 | #endif |
1657 | if (expect_false (ev_is_active (w))) |
1634 | if (expect_false (ev_is_active (w))) |
1658 | return; |
1635 | return; |
1659 | |
1636 | |
1660 | ev_start (EV_A_ (W)w, 1); |
1637 | ev_start (EV_A_ (W)w, 1); |
1661 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1638 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1662 | } |
1639 | } |
1663 | |
1640 | |
1664 | void |
1641 | void |
1665 | ev_child_stop (EV_P_ ev_child *w) |
1642 | ev_child_stop (EV_P_ ev_child *w) |
1666 | { |
1643 | { |
1667 | ev_clear_pending (EV_A_ (W)w); |
1644 | ev_clear_pending (EV_A_ (W)w); |
1668 | if (expect_false (!ev_is_active (w))) |
1645 | if (expect_false (!ev_is_active (w))) |
1669 | return; |
1646 | return; |
1670 | |
1647 | |
1671 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1648 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1672 | ev_stop (EV_A_ (W)w); |
1649 | ev_stop (EV_A_ (W)w); |
1673 | } |
1650 | } |
1674 | |
1651 | |
1675 | #if EV_MULTIPLICITY |
1652 | #if EV_STAT_ENABLE |
|
|
1653 | |
|
|
1654 | # ifdef _WIN32 |
|
|
1655 | # undef lstat |
|
|
1656 | # define lstat(a,b) _stati64 (a,b) |
|
|
1657 | # endif |
|
|
1658 | |
|
|
1659 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
1660 | #define MIN_STAT_INTERVAL 0.1074891 |
|
|
1661 | |
1676 | void |
1662 | void |
|
|
1663 | ev_stat_stat (EV_P_ ev_stat *w) |
|
|
1664 | { |
|
|
1665 | if (lstat (w->path, &w->attr) < 0) |
|
|
1666 | w->attr.st_nlink = 0; |
|
|
1667 | else if (!w->attr.st_nlink) |
|
|
1668 | w->attr.st_nlink = 1; |
|
|
1669 | } |
|
|
1670 | |
|
|
1671 | static void |
|
|
1672 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
|
|
1673 | { |
|
|
1674 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
|
|
1675 | |
|
|
1676 | /* we copy this here each the time so that */ |
|
|
1677 | /* prev has the old value when the callback gets invoked */ |
|
|
1678 | w->prev = w->attr; |
|
|
1679 | ev_stat_stat (EV_A_ w); |
|
|
1680 | |
|
|
1681 | if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata))) |
|
|
1682 | ev_feed_event (EV_A_ w, EV_STAT); |
|
|
1683 | } |
|
|
1684 | |
|
|
1685 | void |
|
|
1686 | ev_stat_start (EV_P_ ev_stat *w) |
|
|
1687 | { |
|
|
1688 | if (expect_false (ev_is_active (w))) |
|
|
1689 | return; |
|
|
1690 | |
|
|
1691 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
1692 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
1693 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
1694 | |
|
|
1695 | ev_stat_stat (EV_A_ w); |
|
|
1696 | |
|
|
1697 | if (w->interval < MIN_STAT_INTERVAL) |
|
|
1698 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
1699 | |
|
|
1700 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
|
|
1701 | ev_set_priority (&w->timer, ev_priority (w)); |
|
|
1702 | ev_timer_start (EV_A_ &w->timer); |
|
|
1703 | |
|
|
1704 | ev_start (EV_A_ (W)w, 1); |
|
|
1705 | } |
|
|
1706 | |
|
|
1707 | void |
|
|
1708 | ev_stat_stop (EV_P_ ev_stat *w) |
|
|
1709 | { |
|
|
1710 | ev_clear_pending (EV_A_ (W)w); |
|
|
1711 | if (expect_false (!ev_is_active (w))) |
|
|
1712 | return; |
|
|
1713 | |
|
|
1714 | ev_timer_stop (EV_A_ &w->timer); |
|
|
1715 | |
|
|
1716 | ev_stop (EV_A_ (W)w); |
|
|
1717 | } |
|
|
1718 | #endif |
|
|
1719 | |
|
|
1720 | void |
|
|
1721 | ev_idle_start (EV_P_ ev_idle *w) |
|
|
1722 | { |
|
|
1723 | if (expect_false (ev_is_active (w))) |
|
|
1724 | return; |
|
|
1725 | |
|
|
1726 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1727 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
|
|
1728 | idles [idlecnt - 1] = w; |
|
|
1729 | } |
|
|
1730 | |
|
|
1731 | void |
|
|
1732 | ev_idle_stop (EV_P_ ev_idle *w) |
|
|
1733 | { |
|
|
1734 | ev_clear_pending (EV_A_ (W)w); |
|
|
1735 | if (expect_false (!ev_is_active (w))) |
|
|
1736 | return; |
|
|
1737 | |
|
|
1738 | { |
|
|
1739 | int active = ((W)w)->active; |
|
|
1740 | idles [active - 1] = idles [--idlecnt]; |
|
|
1741 | ((W)idles [active - 1])->active = active; |
|
|
1742 | } |
|
|
1743 | |
|
|
1744 | ev_stop (EV_A_ (W)w); |
|
|
1745 | } |
|
|
1746 | |
|
|
1747 | void |
|
|
1748 | ev_prepare_start (EV_P_ ev_prepare *w) |
|
|
1749 | { |
|
|
1750 | if (expect_false (ev_is_active (w))) |
|
|
1751 | return; |
|
|
1752 | |
|
|
1753 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1754 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
1755 | prepares [preparecnt - 1] = w; |
|
|
1756 | } |
|
|
1757 | |
|
|
1758 | void |
|
|
1759 | ev_prepare_stop (EV_P_ ev_prepare *w) |
|
|
1760 | { |
|
|
1761 | ev_clear_pending (EV_A_ (W)w); |
|
|
1762 | if (expect_false (!ev_is_active (w))) |
|
|
1763 | return; |
|
|
1764 | |
|
|
1765 | { |
|
|
1766 | int active = ((W)w)->active; |
|
|
1767 | prepares [active - 1] = prepares [--preparecnt]; |
|
|
1768 | ((W)prepares [active - 1])->active = active; |
|
|
1769 | } |
|
|
1770 | |
|
|
1771 | ev_stop (EV_A_ (W)w); |
|
|
1772 | } |
|
|
1773 | |
|
|
1774 | void |
|
|
1775 | ev_check_start (EV_P_ ev_check *w) |
|
|
1776 | { |
|
|
1777 | if (expect_false (ev_is_active (w))) |
|
|
1778 | return; |
|
|
1779 | |
|
|
1780 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1781 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
1782 | checks [checkcnt - 1] = w; |
|
|
1783 | } |
|
|
1784 | |
|
|
1785 | void |
|
|
1786 | ev_check_stop (EV_P_ ev_check *w) |
|
|
1787 | { |
|
|
1788 | ev_clear_pending (EV_A_ (W)w); |
|
|
1789 | if (expect_false (!ev_is_active (w))) |
|
|
1790 | return; |
|
|
1791 | |
|
|
1792 | { |
|
|
1793 | int active = ((W)w)->active; |
|
|
1794 | checks [active - 1] = checks [--checkcnt]; |
|
|
1795 | ((W)checks [active - 1])->active = active; |
|
|
1796 | } |
|
|
1797 | |
|
|
1798 | ev_stop (EV_A_ (W)w); |
|
|
1799 | } |
|
|
1800 | |
|
|
1801 | #if EV_EMBED_ENABLE |
|
|
1802 | void noinline |
1677 | ev_embed_loop (EV_P_ ev_embed *w) |
1803 | ev_embed_sweep (EV_P_ ev_embed *w) |
1678 | { |
1804 | { |
1679 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
1805 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
1680 | } |
1806 | } |
1681 | |
1807 | |
1682 | static void |
1808 | static void |
… | |
… | |
1685 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
1811 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
1686 | |
1812 | |
1687 | if (ev_cb (w)) |
1813 | if (ev_cb (w)) |
1688 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
1814 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
1689 | else |
1815 | else |
1690 | ev_embed_loop (loop, w); |
1816 | ev_embed_sweep (loop, w); |
1691 | } |
1817 | } |
1692 | |
1818 | |
1693 | void |
1819 | void |
1694 | ev_embed_start (EV_P_ ev_embed *w) |
1820 | ev_embed_start (EV_P_ ev_embed *w) |
1695 | { |
1821 | { |
… | |
… | |
1702 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
1828 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
1703 | } |
1829 | } |
1704 | |
1830 | |
1705 | ev_set_priority (&w->io, ev_priority (w)); |
1831 | ev_set_priority (&w->io, ev_priority (w)); |
1706 | ev_io_start (EV_A_ &w->io); |
1832 | ev_io_start (EV_A_ &w->io); |
|
|
1833 | |
1707 | ev_start (EV_A_ (W)w, 1); |
1834 | ev_start (EV_A_ (W)w, 1); |
1708 | } |
1835 | } |
1709 | |
1836 | |
1710 | void |
1837 | void |
1711 | ev_embed_stop (EV_P_ ev_embed *w) |
1838 | ev_embed_stop (EV_P_ ev_embed *w) |
… | |
… | |
1713 | ev_clear_pending (EV_A_ (W)w); |
1840 | ev_clear_pending (EV_A_ (W)w); |
1714 | if (expect_false (!ev_is_active (w))) |
1841 | if (expect_false (!ev_is_active (w))) |
1715 | return; |
1842 | return; |
1716 | |
1843 | |
1717 | ev_io_stop (EV_A_ &w->io); |
1844 | ev_io_stop (EV_A_ &w->io); |
|
|
1845 | |
|
|
1846 | ev_stop (EV_A_ (W)w); |
|
|
1847 | } |
|
|
1848 | #endif |
|
|
1849 | |
|
|
1850 | #if EV_FORK_ENABLE |
|
|
1851 | void |
|
|
1852 | ev_fork_start (EV_P_ ev_fork *w) |
|
|
1853 | { |
|
|
1854 | if (expect_false (ev_is_active (w))) |
|
|
1855 | return; |
|
|
1856 | |
|
|
1857 | ev_start (EV_A_ (W)w, ++forkcnt); |
|
|
1858 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
|
|
1859 | forks [forkcnt - 1] = w; |
|
|
1860 | } |
|
|
1861 | |
|
|
1862 | void |
|
|
1863 | ev_fork_stop (EV_P_ ev_fork *w) |
|
|
1864 | { |
|
|
1865 | ev_clear_pending (EV_A_ (W)w); |
|
|
1866 | if (expect_false (!ev_is_active (w))) |
|
|
1867 | return; |
|
|
1868 | |
|
|
1869 | { |
|
|
1870 | int active = ((W)w)->active; |
|
|
1871 | forks [active - 1] = forks [--forkcnt]; |
|
|
1872 | ((W)forks [active - 1])->active = active; |
|
|
1873 | } |
|
|
1874 | |
1718 | ev_stop (EV_A_ (W)w); |
1875 | ev_stop (EV_A_ (W)w); |
1719 | } |
1876 | } |
1720 | #endif |
1877 | #endif |
1721 | |
1878 | |
1722 | /*****************************************************************************/ |
1879 | /*****************************************************************************/ |