… | |
… | |
126 | # define EV_USE_EVENTFD 1 |
126 | # define EV_USE_EVENTFD 1 |
127 | # else |
127 | # else |
128 | # define EV_USE_EVENTFD 0 |
128 | # define EV_USE_EVENTFD 0 |
129 | # endif |
129 | # endif |
130 | # endif |
130 | # endif |
131 | |
131 | |
132 | #endif |
132 | #endif |
133 | |
133 | |
134 | #include <math.h> |
134 | #include <math.h> |
135 | #include <stdlib.h> |
135 | #include <stdlib.h> |
136 | #include <fcntl.h> |
136 | #include <fcntl.h> |
… | |
… | |
154 | #ifndef _WIN32 |
154 | #ifndef _WIN32 |
155 | # include <sys/time.h> |
155 | # include <sys/time.h> |
156 | # include <sys/wait.h> |
156 | # include <sys/wait.h> |
157 | # include <unistd.h> |
157 | # include <unistd.h> |
158 | #else |
158 | #else |
|
|
159 | # include <io.h> |
159 | # define WIN32_LEAN_AND_MEAN |
160 | # define WIN32_LEAN_AND_MEAN |
160 | # include <windows.h> |
161 | # include <windows.h> |
161 | # ifndef EV_SELECT_IS_WINSOCKET |
162 | # ifndef EV_SELECT_IS_WINSOCKET |
162 | # define EV_SELECT_IS_WINSOCKET 1 |
163 | # define EV_SELECT_IS_WINSOCKET 1 |
163 | # endif |
164 | # endif |
164 | #endif |
165 | #endif |
165 | |
166 | |
166 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
167 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
167 | |
168 | |
168 | #ifndef EV_USE_MONOTONIC |
169 | #ifndef EV_USE_MONOTONIC |
|
|
170 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
|
|
171 | # define EV_USE_MONOTONIC 1 |
|
|
172 | # else |
169 | # define EV_USE_MONOTONIC 0 |
173 | # define EV_USE_MONOTONIC 0 |
|
|
174 | # endif |
170 | #endif |
175 | #endif |
171 | |
176 | |
172 | #ifndef EV_USE_REALTIME |
177 | #ifndef EV_USE_REALTIME |
173 | # define EV_USE_REALTIME 0 |
178 | # define EV_USE_REALTIME 0 |
174 | #endif |
179 | #endif |
175 | |
180 | |
176 | #ifndef EV_USE_NANOSLEEP |
181 | #ifndef EV_USE_NANOSLEEP |
|
|
182 | # if _POSIX_C_SOURCE >= 199309L |
|
|
183 | # define EV_USE_NANOSLEEP 1 |
|
|
184 | # else |
177 | # define EV_USE_NANOSLEEP 0 |
185 | # define EV_USE_NANOSLEEP 0 |
|
|
186 | # endif |
178 | #endif |
187 | #endif |
179 | |
188 | |
180 | #ifndef EV_USE_SELECT |
189 | #ifndef EV_USE_SELECT |
181 | # define EV_USE_SELECT 1 |
190 | # define EV_USE_SELECT 1 |
182 | #endif |
191 | #endif |
… | |
… | |
235 | # else |
244 | # else |
236 | # define EV_USE_EVENTFD 0 |
245 | # define EV_USE_EVENTFD 0 |
237 | # endif |
246 | # endif |
238 | #endif |
247 | #endif |
239 | |
248 | |
|
|
249 | #if 0 /* debugging */ |
|
|
250 | # define EV_VERIFY 3 |
|
|
251 | # define EV_USE_4HEAP 1 |
|
|
252 | # define EV_HEAP_CACHE_AT 1 |
|
|
253 | #endif |
|
|
254 | |
|
|
255 | #ifndef EV_VERIFY |
|
|
256 | # define EV_VERIFY !EV_MINIMAL |
|
|
257 | #endif |
|
|
258 | |
|
|
259 | #ifndef EV_USE_4HEAP |
|
|
260 | # define EV_USE_4HEAP !EV_MINIMAL |
|
|
261 | #endif |
|
|
262 | |
|
|
263 | #ifndef EV_HEAP_CACHE_AT |
|
|
264 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
|
|
265 | #endif |
|
|
266 | |
240 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
267 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
241 | |
268 | |
242 | #ifndef CLOCK_MONOTONIC |
269 | #ifndef CLOCK_MONOTONIC |
243 | # undef EV_USE_MONOTONIC |
270 | # undef EV_USE_MONOTONIC |
244 | # define EV_USE_MONOTONIC 0 |
271 | # define EV_USE_MONOTONIC 0 |
… | |
… | |
259 | # include <sys/select.h> |
286 | # include <sys/select.h> |
260 | # endif |
287 | # endif |
261 | #endif |
288 | #endif |
262 | |
289 | |
263 | #if EV_USE_INOTIFY |
290 | #if EV_USE_INOTIFY |
|
|
291 | # include <sys/utsname.h> |
264 | # include <sys/inotify.h> |
292 | # include <sys/inotify.h> |
|
|
293 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
|
|
294 | # ifndef IN_DONT_FOLLOW |
|
|
295 | # undef EV_USE_INOTIFY |
|
|
296 | # define EV_USE_INOTIFY 0 |
|
|
297 | # endif |
265 | #endif |
298 | #endif |
266 | |
299 | |
267 | #if EV_SELECT_IS_WINSOCKET |
300 | #if EV_SELECT_IS_WINSOCKET |
268 | # include <winsock.h> |
301 | # include <winsock.h> |
269 | #endif |
302 | #endif |
… | |
… | |
279 | } |
312 | } |
280 | # endif |
313 | # endif |
281 | #endif |
314 | #endif |
282 | |
315 | |
283 | /**/ |
316 | /**/ |
|
|
317 | |
|
|
318 | #if EV_VERIFY >= 3 |
|
|
319 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
|
|
320 | #else |
|
|
321 | # define EV_FREQUENT_CHECK do { } while (0) |
|
|
322 | #endif |
284 | |
323 | |
285 | /* |
324 | /* |
286 | * This is used to avoid floating point rounding problems. |
325 | * This is used to avoid floating point rounding problems. |
287 | * It is added to ev_rt_now when scheduling periodics |
326 | * It is added to ev_rt_now when scheduling periodics |
288 | * to ensure progress, time-wise, even when rounding |
327 | * to ensure progress, time-wise, even when rounding |
… | |
… | |
325 | |
364 | |
326 | typedef ev_watcher *W; |
365 | typedef ev_watcher *W; |
327 | typedef ev_watcher_list *WL; |
366 | typedef ev_watcher_list *WL; |
328 | typedef ev_watcher_time *WT; |
367 | typedef ev_watcher_time *WT; |
329 | |
368 | |
|
|
369 | #define ev_active(w) ((W)(w))->active |
|
|
370 | #define ev_at(w) ((WT)(w))->at |
|
|
371 | |
330 | #if EV_USE_MONOTONIC |
372 | #if EV_USE_MONOTONIC |
331 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
373 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
332 | /* giving it a reasonably high chance of working on typical architetcures */ |
374 | /* giving it a reasonably high chance of working on typical architetcures */ |
333 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
375 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
334 | #endif |
376 | #endif |
… | |
… | |
346 | { |
388 | { |
347 | syserr_cb = cb; |
389 | syserr_cb = cb; |
348 | } |
390 | } |
349 | |
391 | |
350 | static void noinline |
392 | static void noinline |
351 | syserr (const char *msg) |
393 | ev_syserr (const char *msg) |
352 | { |
394 | { |
353 | if (!msg) |
395 | if (!msg) |
354 | msg = "(libev) system error"; |
396 | msg = "(libev) system error"; |
355 | |
397 | |
356 | if (syserr_cb) |
398 | if (syserr_cb) |
… | |
… | |
360 | perror (msg); |
402 | perror (msg); |
361 | abort (); |
403 | abort (); |
362 | } |
404 | } |
363 | } |
405 | } |
364 | |
406 | |
|
|
407 | static void * |
|
|
408 | ev_realloc_emul (void *ptr, long size) |
|
|
409 | { |
|
|
410 | /* some systems, notably openbsd and darwin, fail to properly |
|
|
411 | * implement realloc (x, 0) (as required by both ansi c-98 and |
|
|
412 | * the single unix specification, so work around them here. |
|
|
413 | */ |
|
|
414 | |
|
|
415 | if (size) |
|
|
416 | return realloc (ptr, size); |
|
|
417 | |
|
|
418 | free (ptr); |
|
|
419 | return 0; |
|
|
420 | } |
|
|
421 | |
365 | static void *(*alloc)(void *ptr, long size); |
422 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
366 | |
423 | |
367 | void |
424 | void |
368 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
425 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
369 | { |
426 | { |
370 | alloc = cb; |
427 | alloc = cb; |
371 | } |
428 | } |
372 | |
429 | |
373 | inline_speed void * |
430 | inline_speed void * |
374 | ev_realloc (void *ptr, long size) |
431 | ev_realloc (void *ptr, long size) |
375 | { |
432 | { |
376 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
433 | ptr = alloc (ptr, size); |
377 | |
434 | |
378 | if (!ptr && size) |
435 | if (!ptr && size) |
379 | { |
436 | { |
380 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
437 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
381 | abort (); |
438 | abort (); |
… | |
… | |
392 | typedef struct |
449 | typedef struct |
393 | { |
450 | { |
394 | WL head; |
451 | WL head; |
395 | unsigned char events; |
452 | unsigned char events; |
396 | unsigned char reify; |
453 | unsigned char reify; |
|
|
454 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
|
|
455 | unsigned char unused; |
|
|
456 | #if EV_USE_EPOLL |
|
|
457 | unsigned int egen; /* generation counter to counter epoll bugs */ |
|
|
458 | #endif |
397 | #if EV_SELECT_IS_WINSOCKET |
459 | #if EV_SELECT_IS_WINSOCKET |
398 | SOCKET handle; |
460 | SOCKET handle; |
399 | #endif |
461 | #endif |
400 | } ANFD; |
462 | } ANFD; |
401 | |
463 | |
… | |
… | |
404 | W w; |
466 | W w; |
405 | int events; |
467 | int events; |
406 | } ANPENDING; |
468 | } ANPENDING; |
407 | |
469 | |
408 | #if EV_USE_INOTIFY |
470 | #if EV_USE_INOTIFY |
|
|
471 | /* hash table entry per inotify-id */ |
409 | typedef struct |
472 | typedef struct |
410 | { |
473 | { |
411 | WL head; |
474 | WL head; |
412 | } ANFS; |
475 | } ANFS; |
|
|
476 | #endif |
|
|
477 | |
|
|
478 | /* Heap Entry */ |
|
|
479 | #if EV_HEAP_CACHE_AT |
|
|
480 | typedef struct { |
|
|
481 | ev_tstamp at; |
|
|
482 | WT w; |
|
|
483 | } ANHE; |
|
|
484 | |
|
|
485 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
|
|
486 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
|
|
487 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
|
|
488 | #else |
|
|
489 | typedef WT ANHE; |
|
|
490 | |
|
|
491 | #define ANHE_w(he) (he) |
|
|
492 | #define ANHE_at(he) (he)->at |
|
|
493 | #define ANHE_at_cache(he) |
413 | #endif |
494 | #endif |
414 | |
495 | |
415 | #if EV_MULTIPLICITY |
496 | #if EV_MULTIPLICITY |
416 | |
497 | |
417 | struct ev_loop |
498 | struct ev_loop |
… | |
… | |
495 | struct timeval tv; |
576 | struct timeval tv; |
496 | |
577 | |
497 | tv.tv_sec = (time_t)delay; |
578 | tv.tv_sec = (time_t)delay; |
498 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
579 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
499 | |
580 | |
|
|
581 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
|
|
582 | /* somehting nto guaranteed by newer posix versions, but guaranteed */ |
|
|
583 | /* by older ones */ |
500 | select (0, 0, 0, 0, &tv); |
584 | select (0, 0, 0, 0, &tv); |
501 | #endif |
585 | #endif |
502 | } |
586 | } |
503 | } |
587 | } |
504 | |
588 | |
505 | /*****************************************************************************/ |
589 | /*****************************************************************************/ |
|
|
590 | |
|
|
591 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
506 | |
592 | |
507 | int inline_size |
593 | int inline_size |
508 | array_nextsize (int elem, int cur, int cnt) |
594 | array_nextsize (int elem, int cur, int cnt) |
509 | { |
595 | { |
510 | int ncur = cur + 1; |
596 | int ncur = cur + 1; |
511 | |
597 | |
512 | do |
598 | do |
513 | ncur <<= 1; |
599 | ncur <<= 1; |
514 | while (cnt > ncur); |
600 | while (cnt > ncur); |
515 | |
601 | |
516 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
602 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
517 | if (elem * ncur > 4096) |
603 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
518 | { |
604 | { |
519 | ncur *= elem; |
605 | ncur *= elem; |
520 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
606 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
521 | ncur = ncur - sizeof (void *) * 4; |
607 | ncur = ncur - sizeof (void *) * 4; |
522 | ncur /= elem; |
608 | ncur /= elem; |
523 | } |
609 | } |
524 | |
610 | |
525 | return ncur; |
611 | return ncur; |
… | |
… | |
529 | array_realloc (int elem, void *base, int *cur, int cnt) |
615 | array_realloc (int elem, void *base, int *cur, int cnt) |
530 | { |
616 | { |
531 | *cur = array_nextsize (elem, *cur, cnt); |
617 | *cur = array_nextsize (elem, *cur, cnt); |
532 | return ev_realloc (base, elem * *cur); |
618 | return ev_realloc (base, elem * *cur); |
533 | } |
619 | } |
|
|
620 | |
|
|
621 | #define array_init_zero(base,count) \ |
|
|
622 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
534 | |
623 | |
535 | #define array_needsize(type,base,cur,cnt,init) \ |
624 | #define array_needsize(type,base,cur,cnt,init) \ |
536 | if (expect_false ((cnt) > (cur))) \ |
625 | if (expect_false ((cnt) > (cur))) \ |
537 | { \ |
626 | { \ |
538 | int ocur_ = (cur); \ |
627 | int ocur_ = (cur); \ |
… | |
… | |
582 | ev_feed_event (EV_A_ events [i], type); |
671 | ev_feed_event (EV_A_ events [i], type); |
583 | } |
672 | } |
584 | |
673 | |
585 | /*****************************************************************************/ |
674 | /*****************************************************************************/ |
586 | |
675 | |
587 | void inline_size |
|
|
588 | anfds_init (ANFD *base, int count) |
|
|
589 | { |
|
|
590 | while (count--) |
|
|
591 | { |
|
|
592 | base->head = 0; |
|
|
593 | base->events = EV_NONE; |
|
|
594 | base->reify = 0; |
|
|
595 | |
|
|
596 | ++base; |
|
|
597 | } |
|
|
598 | } |
|
|
599 | |
|
|
600 | void inline_speed |
676 | void inline_speed |
601 | fd_event (EV_P_ int fd, int revents) |
677 | fd_event (EV_P_ int fd, int revents) |
602 | { |
678 | { |
603 | ANFD *anfd = anfds + fd; |
679 | ANFD *anfd = anfds + fd; |
604 | ev_io *w; |
680 | ev_io *w; |
… | |
… | |
636 | events |= (unsigned char)w->events; |
712 | events |= (unsigned char)w->events; |
637 | |
713 | |
638 | #if EV_SELECT_IS_WINSOCKET |
714 | #if EV_SELECT_IS_WINSOCKET |
639 | if (events) |
715 | if (events) |
640 | { |
716 | { |
641 | unsigned long argp; |
717 | unsigned long arg; |
642 | #ifdef EV_FD_TO_WIN32_HANDLE |
718 | #ifdef EV_FD_TO_WIN32_HANDLE |
643 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
719 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
644 | #else |
720 | #else |
645 | anfd->handle = _get_osfhandle (fd); |
721 | anfd->handle = _get_osfhandle (fd); |
646 | #endif |
722 | #endif |
647 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
723 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
648 | } |
724 | } |
649 | #endif |
725 | #endif |
650 | |
726 | |
651 | { |
727 | { |
652 | unsigned char o_events = anfd->events; |
728 | unsigned char o_events = anfd->events; |
… | |
… | |
705 | { |
781 | { |
706 | int fd; |
782 | int fd; |
707 | |
783 | |
708 | for (fd = 0; fd < anfdmax; ++fd) |
784 | for (fd = 0; fd < anfdmax; ++fd) |
709 | if (anfds [fd].events) |
785 | if (anfds [fd].events) |
710 | if (!fd_valid (fd) == -1 && errno == EBADF) |
786 | if (!fd_valid (fd) && errno == EBADF) |
711 | fd_kill (EV_A_ fd); |
787 | fd_kill (EV_A_ fd); |
712 | } |
788 | } |
713 | |
789 | |
714 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
790 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
715 | static void noinline |
791 | static void noinline |
… | |
… | |
733 | |
809 | |
734 | for (fd = 0; fd < anfdmax; ++fd) |
810 | for (fd = 0; fd < anfdmax; ++fd) |
735 | if (anfds [fd].events) |
811 | if (anfds [fd].events) |
736 | { |
812 | { |
737 | anfds [fd].events = 0; |
813 | anfds [fd].events = 0; |
|
|
814 | anfds [fd].emask = 0; |
738 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
815 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
739 | } |
816 | } |
740 | } |
817 | } |
741 | |
818 | |
742 | /*****************************************************************************/ |
819 | /*****************************************************************************/ |
743 | |
820 | |
|
|
821 | /* |
|
|
822 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
|
|
823 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
|
|
824 | * the branching factor of the d-tree. |
|
|
825 | */ |
|
|
826 | |
|
|
827 | /* |
|
|
828 | * at the moment we allow libev the luxury of two heaps, |
|
|
829 | * a small-code-size 2-heap one and a ~1.5kb larger 4-heap |
|
|
830 | * which is more cache-efficient. |
|
|
831 | * the difference is about 5% with 50000+ watchers. |
|
|
832 | */ |
|
|
833 | #if EV_USE_4HEAP |
|
|
834 | |
|
|
835 | #define DHEAP 4 |
|
|
836 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
|
|
837 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
|
|
838 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
|
|
839 | |
|
|
840 | /* away from the root */ |
744 | void inline_speed |
841 | void inline_speed |
745 | upheap (WT *heap, int k) |
842 | downheap (ANHE *heap, int N, int k) |
746 | { |
843 | { |
747 | WT w = heap [k]; |
844 | ANHE he = heap [k]; |
|
|
845 | ANHE *E = heap + N + HEAP0; |
748 | |
846 | |
749 | while (k) |
847 | for (;;) |
750 | { |
848 | { |
751 | int p = (k - 1) >> 1; |
849 | ev_tstamp minat; |
|
|
850 | ANHE *minpos; |
|
|
851 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
752 | |
852 | |
753 | if (heap [p]->at <= w->at) |
853 | /* find minimum child */ |
|
|
854 | if (expect_true (pos + DHEAP - 1 < E)) |
|
|
855 | { |
|
|
856 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
857 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
858 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
859 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
860 | } |
|
|
861 | else if (pos < E) |
|
|
862 | { |
|
|
863 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
864 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
865 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
866 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
867 | } |
|
|
868 | else |
754 | break; |
869 | break; |
755 | |
870 | |
|
|
871 | if (ANHE_at (he) <= minat) |
|
|
872 | break; |
|
|
873 | |
|
|
874 | heap [k] = *minpos; |
|
|
875 | ev_active (ANHE_w (*minpos)) = k; |
|
|
876 | |
|
|
877 | k = minpos - heap; |
|
|
878 | } |
|
|
879 | |
|
|
880 | heap [k] = he; |
|
|
881 | ev_active (ANHE_w (he)) = k; |
|
|
882 | } |
|
|
883 | |
|
|
884 | #else /* 4HEAP */ |
|
|
885 | |
|
|
886 | #define HEAP0 1 |
|
|
887 | #define HPARENT(k) ((k) >> 1) |
|
|
888 | #define UPHEAP_DONE(p,k) (!(p)) |
|
|
889 | |
|
|
890 | /* away from the root */ |
|
|
891 | void inline_speed |
|
|
892 | downheap (ANHE *heap, int N, int k) |
|
|
893 | { |
|
|
894 | ANHE he = heap [k]; |
|
|
895 | |
|
|
896 | for (;;) |
|
|
897 | { |
|
|
898 | int c = k << 1; |
|
|
899 | |
|
|
900 | if (c > N + HEAP0 - 1) |
|
|
901 | break; |
|
|
902 | |
|
|
903 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
|
|
904 | ? 1 : 0; |
|
|
905 | |
|
|
906 | if (ANHE_at (he) <= ANHE_at (heap [c])) |
|
|
907 | break; |
|
|
908 | |
|
|
909 | heap [k] = heap [c]; |
|
|
910 | ev_active (ANHE_w (heap [k])) = k; |
|
|
911 | |
|
|
912 | k = c; |
|
|
913 | } |
|
|
914 | |
|
|
915 | heap [k] = he; |
|
|
916 | ev_active (ANHE_w (he)) = k; |
|
|
917 | } |
|
|
918 | #endif |
|
|
919 | |
|
|
920 | /* towards the root */ |
|
|
921 | void inline_speed |
|
|
922 | upheap (ANHE *heap, int k) |
|
|
923 | { |
|
|
924 | ANHE he = heap [k]; |
|
|
925 | |
|
|
926 | for (;;) |
|
|
927 | { |
|
|
928 | int p = HPARENT (k); |
|
|
929 | |
|
|
930 | if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he)) |
|
|
931 | break; |
|
|
932 | |
756 | heap [k] = heap [p]; |
933 | heap [k] = heap [p]; |
757 | ((W)heap [k])->active = k + 1; |
934 | ev_active (ANHE_w (heap [k])) = k; |
758 | k = p; |
935 | k = p; |
759 | } |
936 | } |
760 | |
937 | |
761 | heap [k] = w; |
938 | heap [k] = he; |
762 | ((W)heap [k])->active = k + 1; |
939 | ev_active (ANHE_w (he)) = k; |
763 | } |
|
|
764 | |
|
|
765 | void inline_speed |
|
|
766 | downheap (WT *heap, int N, int k) |
|
|
767 | { |
|
|
768 | WT w = heap [k]; |
|
|
769 | |
|
|
770 | for (;;) |
|
|
771 | { |
|
|
772 | int c = (k << 1) + 1; |
|
|
773 | |
|
|
774 | if (c >= N) |
|
|
775 | break; |
|
|
776 | |
|
|
777 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
778 | ? 1 : 0; |
|
|
779 | |
|
|
780 | if (w->at <= heap [c]->at) |
|
|
781 | break; |
|
|
782 | |
|
|
783 | heap [k] = heap [c]; |
|
|
784 | ((W)heap [k])->active = k + 1; |
|
|
785 | |
|
|
786 | k = c; |
|
|
787 | } |
|
|
788 | |
|
|
789 | heap [k] = w; |
|
|
790 | ((W)heap [k])->active = k + 1; |
|
|
791 | } |
940 | } |
792 | |
941 | |
793 | void inline_size |
942 | void inline_size |
794 | adjustheap (WT *heap, int N, int k) |
943 | adjustheap (ANHE *heap, int N, int k) |
795 | { |
944 | { |
|
|
945 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
796 | upheap (heap, k); |
946 | upheap (heap, k); |
|
|
947 | else |
797 | downheap (heap, N, k); |
948 | downheap (heap, N, k); |
|
|
949 | } |
|
|
950 | |
|
|
951 | /* rebuild the heap: this function is used only once and executed rarely */ |
|
|
952 | void inline_size |
|
|
953 | reheap (ANHE *heap, int N) |
|
|
954 | { |
|
|
955 | int i; |
|
|
956 | |
|
|
957 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
|
|
958 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
|
|
959 | for (i = 0; i < N; ++i) |
|
|
960 | upheap (heap, i + HEAP0); |
798 | } |
961 | } |
799 | |
962 | |
800 | /*****************************************************************************/ |
963 | /*****************************************************************************/ |
801 | |
964 | |
802 | typedef struct |
965 | typedef struct |
… | |
… | |
808 | static ANSIG *signals; |
971 | static ANSIG *signals; |
809 | static int signalmax; |
972 | static int signalmax; |
810 | |
973 | |
811 | static EV_ATOMIC_T gotsig; |
974 | static EV_ATOMIC_T gotsig; |
812 | |
975 | |
813 | void inline_size |
|
|
814 | signals_init (ANSIG *base, int count) |
|
|
815 | { |
|
|
816 | while (count--) |
|
|
817 | { |
|
|
818 | base->head = 0; |
|
|
819 | base->gotsig = 0; |
|
|
820 | |
|
|
821 | ++base; |
|
|
822 | } |
|
|
823 | } |
|
|
824 | |
|
|
825 | /*****************************************************************************/ |
976 | /*****************************************************************************/ |
826 | |
977 | |
827 | void inline_speed |
978 | void inline_speed |
828 | fd_intern (int fd) |
979 | fd_intern (int fd) |
829 | { |
980 | { |
830 | #ifdef _WIN32 |
981 | #ifdef _WIN32 |
831 | int arg = 1; |
982 | unsigned long arg = 1; |
832 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
983 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
833 | #else |
984 | #else |
834 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
985 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
835 | fcntl (fd, F_SETFL, O_NONBLOCK); |
986 | fcntl (fd, F_SETFL, O_NONBLOCK); |
836 | #endif |
987 | #endif |
… | |
… | |
850 | } |
1001 | } |
851 | else |
1002 | else |
852 | #endif |
1003 | #endif |
853 | { |
1004 | { |
854 | while (pipe (evpipe)) |
1005 | while (pipe (evpipe)) |
855 | syserr ("(libev) error creating signal/async pipe"); |
1006 | ev_syserr ("(libev) error creating signal/async pipe"); |
856 | |
1007 | |
857 | fd_intern (evpipe [0]); |
1008 | fd_intern (evpipe [0]); |
858 | fd_intern (evpipe [1]); |
1009 | fd_intern (evpipe [1]); |
859 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1010 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
860 | } |
1011 | } |
… | |
… | |
891 | pipecb (EV_P_ ev_io *iow, int revents) |
1042 | pipecb (EV_P_ ev_io *iow, int revents) |
892 | { |
1043 | { |
893 | #if EV_USE_EVENTFD |
1044 | #if EV_USE_EVENTFD |
894 | if (evfd >= 0) |
1045 | if (evfd >= 0) |
895 | { |
1046 | { |
896 | uint64_t counter = 1; |
1047 | uint64_t counter; |
897 | read (evfd, &counter, sizeof (uint64_t)); |
1048 | read (evfd, &counter, sizeof (uint64_t)); |
898 | } |
1049 | } |
899 | else |
1050 | else |
900 | #endif |
1051 | #endif |
901 | { |
1052 | { |
… | |
… | |
1170 | if (!(flags & EVFLAG_NOENV) |
1321 | if (!(flags & EVFLAG_NOENV) |
1171 | && !enable_secure () |
1322 | && !enable_secure () |
1172 | && getenv ("LIBEV_FLAGS")) |
1323 | && getenv ("LIBEV_FLAGS")) |
1173 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1324 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1174 | |
1325 | |
1175 | if (!(flags & 0x0000ffffUL)) |
1326 | if (!(flags & 0x0000ffffU)) |
1176 | flags |= ev_recommended_backends (); |
1327 | flags |= ev_recommended_backends (); |
1177 | |
1328 | |
1178 | #if EV_USE_PORT |
1329 | #if EV_USE_PORT |
1179 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1330 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1180 | #endif |
1331 | #endif |
… | |
… | |
1268 | #endif |
1419 | #endif |
1269 | |
1420 | |
1270 | backend = 0; |
1421 | backend = 0; |
1271 | } |
1422 | } |
1272 | |
1423 | |
|
|
1424 | #if EV_USE_INOTIFY |
1273 | void inline_size infy_fork (EV_P); |
1425 | void inline_size infy_fork (EV_P); |
|
|
1426 | #endif |
1274 | |
1427 | |
1275 | void inline_size |
1428 | void inline_size |
1276 | loop_fork (EV_P) |
1429 | loop_fork (EV_P) |
1277 | { |
1430 | { |
1278 | #if EV_USE_PORT |
1431 | #if EV_USE_PORT |
… | |
… | |
1318 | |
1471 | |
1319 | postfork = 0; |
1472 | postfork = 0; |
1320 | } |
1473 | } |
1321 | |
1474 | |
1322 | #if EV_MULTIPLICITY |
1475 | #if EV_MULTIPLICITY |
|
|
1476 | |
1323 | struct ev_loop * |
1477 | struct ev_loop * |
1324 | ev_loop_new (unsigned int flags) |
1478 | ev_loop_new (unsigned int flags) |
1325 | { |
1479 | { |
1326 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1480 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1327 | |
1481 | |
… | |
… | |
1346 | ev_loop_fork (EV_P) |
1500 | ev_loop_fork (EV_P) |
1347 | { |
1501 | { |
1348 | postfork = 1; /* must be in line with ev_default_fork */ |
1502 | postfork = 1; /* must be in line with ev_default_fork */ |
1349 | } |
1503 | } |
1350 | |
1504 | |
|
|
1505 | #if EV_VERIFY |
|
|
1506 | static void noinline |
|
|
1507 | verify_watcher (EV_P_ W w) |
|
|
1508 | { |
|
|
1509 | assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
|
|
1510 | |
|
|
1511 | if (w->pending) |
|
|
1512 | assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
|
|
1513 | } |
|
|
1514 | |
|
|
1515 | static void noinline |
|
|
1516 | verify_heap (EV_P_ ANHE *heap, int N) |
|
|
1517 | { |
|
|
1518 | int i; |
|
|
1519 | |
|
|
1520 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
1521 | { |
|
|
1522 | assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
1523 | assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
1524 | assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
1525 | |
|
|
1526 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
|
|
1527 | } |
|
|
1528 | } |
|
|
1529 | |
|
|
1530 | static void noinline |
|
|
1531 | array_verify (EV_P_ W *ws, int cnt) |
|
|
1532 | { |
|
|
1533 | while (cnt--) |
|
|
1534 | { |
|
|
1535 | assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
|
|
1536 | verify_watcher (EV_A_ ws [cnt]); |
|
|
1537 | } |
|
|
1538 | } |
|
|
1539 | #endif |
|
|
1540 | |
|
|
1541 | void |
|
|
1542 | ev_loop_verify (EV_P) |
|
|
1543 | { |
|
|
1544 | #if EV_VERIFY |
|
|
1545 | int i; |
|
|
1546 | WL w; |
|
|
1547 | |
|
|
1548 | assert (activecnt >= -1); |
|
|
1549 | |
|
|
1550 | assert (fdchangemax >= fdchangecnt); |
|
|
1551 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1552 | assert (("negative fd in fdchanges", fdchanges [i] >= 0)); |
|
|
1553 | |
|
|
1554 | assert (anfdmax >= 0); |
|
|
1555 | for (i = 0; i < anfdmax; ++i) |
|
|
1556 | for (w = anfds [i].head; w; w = w->next) |
|
|
1557 | { |
|
|
1558 | verify_watcher (EV_A_ (W)w); |
|
|
1559 | assert (("inactive fd watcher on anfd list", ev_active (w) == 1)); |
|
|
1560 | assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
|
|
1561 | } |
|
|
1562 | |
|
|
1563 | assert (timermax >= timercnt); |
|
|
1564 | verify_heap (EV_A_ timers, timercnt); |
|
|
1565 | |
|
|
1566 | #if EV_PERIODIC_ENABLE |
|
|
1567 | assert (periodicmax >= periodiccnt); |
|
|
1568 | verify_heap (EV_A_ periodics, periodiccnt); |
|
|
1569 | #endif |
|
|
1570 | |
|
|
1571 | for (i = NUMPRI; i--; ) |
|
|
1572 | { |
|
|
1573 | assert (pendingmax [i] >= pendingcnt [i]); |
|
|
1574 | #if EV_IDLE_ENABLE |
|
|
1575 | assert (idleall >= 0); |
|
|
1576 | assert (idlemax [i] >= idlecnt [i]); |
|
|
1577 | array_verify (EV_A_ (W *)idles [i], idlecnt [i]); |
|
|
1578 | #endif |
|
|
1579 | } |
|
|
1580 | |
|
|
1581 | #if EV_FORK_ENABLE |
|
|
1582 | assert (forkmax >= forkcnt); |
|
|
1583 | array_verify (EV_A_ (W *)forks, forkcnt); |
|
|
1584 | #endif |
|
|
1585 | |
|
|
1586 | #if EV_ASYNC_ENABLE |
|
|
1587 | assert (asyncmax >= asynccnt); |
|
|
1588 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
|
|
1589 | #endif |
|
|
1590 | |
|
|
1591 | assert (preparemax >= preparecnt); |
|
|
1592 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1593 | |
|
|
1594 | assert (checkmax >= checkcnt); |
|
|
1595 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1596 | |
|
|
1597 | # if 0 |
|
|
1598 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1599 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1351 | #endif |
1600 | # endif |
|
|
1601 | #endif |
|
|
1602 | } |
|
|
1603 | |
|
|
1604 | #endif /* multiplicity */ |
1352 | |
1605 | |
1353 | #if EV_MULTIPLICITY |
1606 | #if EV_MULTIPLICITY |
1354 | struct ev_loop * |
1607 | struct ev_loop * |
1355 | ev_default_loop_init (unsigned int flags) |
1608 | ev_default_loop_init (unsigned int flags) |
1356 | #else |
1609 | #else |
… | |
… | |
1389 | { |
1642 | { |
1390 | #if EV_MULTIPLICITY |
1643 | #if EV_MULTIPLICITY |
1391 | struct ev_loop *loop = ev_default_loop_ptr; |
1644 | struct ev_loop *loop = ev_default_loop_ptr; |
1392 | #endif |
1645 | #endif |
1393 | |
1646 | |
|
|
1647 | ev_default_loop_ptr = 0; |
|
|
1648 | |
1394 | #ifndef _WIN32 |
1649 | #ifndef _WIN32 |
1395 | ev_ref (EV_A); /* child watcher */ |
1650 | ev_ref (EV_A); /* child watcher */ |
1396 | ev_signal_stop (EV_A_ &childev); |
1651 | ev_signal_stop (EV_A_ &childev); |
1397 | #endif |
1652 | #endif |
1398 | |
1653 | |
… | |
… | |
1404 | { |
1659 | { |
1405 | #if EV_MULTIPLICITY |
1660 | #if EV_MULTIPLICITY |
1406 | struct ev_loop *loop = ev_default_loop_ptr; |
1661 | struct ev_loop *loop = ev_default_loop_ptr; |
1407 | #endif |
1662 | #endif |
1408 | |
1663 | |
1409 | if (backend) |
|
|
1410 | postfork = 1; /* must be in line with ev_loop_fork */ |
1664 | postfork = 1; /* must be in line with ev_loop_fork */ |
1411 | } |
1665 | } |
1412 | |
1666 | |
1413 | /*****************************************************************************/ |
1667 | /*****************************************************************************/ |
1414 | |
1668 | |
1415 | void |
1669 | void |
… | |
… | |
1432 | { |
1686 | { |
1433 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1687 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1434 | |
1688 | |
1435 | p->w->pending = 0; |
1689 | p->w->pending = 0; |
1436 | EV_CB_INVOKE (p->w, p->events); |
1690 | EV_CB_INVOKE (p->w, p->events); |
|
|
1691 | EV_FREQUENT_CHECK; |
1437 | } |
1692 | } |
1438 | } |
1693 | } |
1439 | } |
1694 | } |
1440 | |
|
|
1441 | void inline_size |
|
|
1442 | timers_reify (EV_P) |
|
|
1443 | { |
|
|
1444 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
|
|
1445 | { |
|
|
1446 | ev_timer *w = (ev_timer *)timers [0]; |
|
|
1447 | |
|
|
1448 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1449 | |
|
|
1450 | /* first reschedule or stop timer */ |
|
|
1451 | if (w->repeat) |
|
|
1452 | { |
|
|
1453 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1454 | |
|
|
1455 | ((WT)w)->at += w->repeat; |
|
|
1456 | if (((WT)w)->at < mn_now) |
|
|
1457 | ((WT)w)->at = mn_now; |
|
|
1458 | |
|
|
1459 | downheap (timers, timercnt, 0); |
|
|
1460 | } |
|
|
1461 | else |
|
|
1462 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1463 | |
|
|
1464 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1465 | } |
|
|
1466 | } |
|
|
1467 | |
|
|
1468 | #if EV_PERIODIC_ENABLE |
|
|
1469 | void inline_size |
|
|
1470 | periodics_reify (EV_P) |
|
|
1471 | { |
|
|
1472 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
|
|
1473 | { |
|
|
1474 | ev_periodic *w = (ev_periodic *)periodics [0]; |
|
|
1475 | |
|
|
1476 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1477 | |
|
|
1478 | /* first reschedule or stop timer */ |
|
|
1479 | if (w->reschedule_cb) |
|
|
1480 | { |
|
|
1481 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
|
|
1482 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1483 | downheap (periodics, periodiccnt, 0); |
|
|
1484 | } |
|
|
1485 | else if (w->interval) |
|
|
1486 | { |
|
|
1487 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1488 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
|
|
1489 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
|
|
1490 | downheap (periodics, periodiccnt, 0); |
|
|
1491 | } |
|
|
1492 | else |
|
|
1493 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1494 | |
|
|
1495 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1496 | } |
|
|
1497 | } |
|
|
1498 | |
|
|
1499 | static void noinline |
|
|
1500 | periodics_reschedule (EV_P) |
|
|
1501 | { |
|
|
1502 | int i; |
|
|
1503 | |
|
|
1504 | /* adjust periodics after time jump */ |
|
|
1505 | for (i = 0; i < periodiccnt; ++i) |
|
|
1506 | { |
|
|
1507 | ev_periodic *w = (ev_periodic *)periodics [i]; |
|
|
1508 | |
|
|
1509 | if (w->reschedule_cb) |
|
|
1510 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1511 | else if (w->interval) |
|
|
1512 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1513 | } |
|
|
1514 | |
|
|
1515 | /* now rebuild the heap */ |
|
|
1516 | for (i = periodiccnt >> 1; i--; ) |
|
|
1517 | downheap (periodics, periodiccnt, i); |
|
|
1518 | } |
|
|
1519 | #endif |
|
|
1520 | |
1695 | |
1521 | #if EV_IDLE_ENABLE |
1696 | #if EV_IDLE_ENABLE |
1522 | void inline_size |
1697 | void inline_size |
1523 | idle_reify (EV_P) |
1698 | idle_reify (EV_P) |
1524 | { |
1699 | { |
… | |
… | |
1536 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1711 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1537 | break; |
1712 | break; |
1538 | } |
1713 | } |
1539 | } |
1714 | } |
1540 | } |
1715 | } |
|
|
1716 | } |
|
|
1717 | #endif |
|
|
1718 | |
|
|
1719 | void inline_size |
|
|
1720 | timers_reify (EV_P) |
|
|
1721 | { |
|
|
1722 | EV_FREQUENT_CHECK; |
|
|
1723 | |
|
|
1724 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
|
|
1725 | { |
|
|
1726 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
1727 | |
|
|
1728 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1729 | |
|
|
1730 | /* first reschedule or stop timer */ |
|
|
1731 | if (w->repeat) |
|
|
1732 | { |
|
|
1733 | ev_at (w) += w->repeat; |
|
|
1734 | if (ev_at (w) < mn_now) |
|
|
1735 | ev_at (w) = mn_now; |
|
|
1736 | |
|
|
1737 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1738 | |
|
|
1739 | ANHE_at_cache (timers [HEAP0]); |
|
|
1740 | downheap (timers, timercnt, HEAP0); |
|
|
1741 | } |
|
|
1742 | else |
|
|
1743 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1744 | |
|
|
1745 | EV_FREQUENT_CHECK; |
|
|
1746 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1747 | } |
|
|
1748 | } |
|
|
1749 | |
|
|
1750 | #if EV_PERIODIC_ENABLE |
|
|
1751 | void inline_size |
|
|
1752 | periodics_reify (EV_P) |
|
|
1753 | { |
|
|
1754 | EV_FREQUENT_CHECK; |
|
|
1755 | |
|
|
1756 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
|
|
1757 | { |
|
|
1758 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
1759 | |
|
|
1760 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1761 | |
|
|
1762 | /* first reschedule or stop timer */ |
|
|
1763 | if (w->reschedule_cb) |
|
|
1764 | { |
|
|
1765 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1766 | |
|
|
1767 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
|
|
1768 | |
|
|
1769 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1770 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1771 | } |
|
|
1772 | else if (w->interval) |
|
|
1773 | { |
|
|
1774 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1775 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1776 | /* this might happen because of floating point inexactness */ |
|
|
1777 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1778 | { |
|
|
1779 | ev_at (w) += w->interval; |
|
|
1780 | |
|
|
1781 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1782 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1783 | /* has effectively asked to get triggered more often than possible */ |
|
|
1784 | if (ev_at (w) < ev_rt_now) |
|
|
1785 | ev_at (w) = ev_rt_now; |
|
|
1786 | } |
|
|
1787 | |
|
|
1788 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1789 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1790 | } |
|
|
1791 | else |
|
|
1792 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1793 | |
|
|
1794 | EV_FREQUENT_CHECK; |
|
|
1795 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1796 | } |
|
|
1797 | } |
|
|
1798 | |
|
|
1799 | static void noinline |
|
|
1800 | periodics_reschedule (EV_P) |
|
|
1801 | { |
|
|
1802 | int i; |
|
|
1803 | |
|
|
1804 | /* adjust periodics after time jump */ |
|
|
1805 | for (i = HEAP0; i < periodiccnt + HEAP0; ++i) |
|
|
1806 | { |
|
|
1807 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
|
|
1808 | |
|
|
1809 | if (w->reschedule_cb) |
|
|
1810 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1811 | else if (w->interval) |
|
|
1812 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1813 | |
|
|
1814 | ANHE_at_cache (periodics [i]); |
|
|
1815 | } |
|
|
1816 | |
|
|
1817 | reheap (periodics, periodiccnt); |
1541 | } |
1818 | } |
1542 | #endif |
1819 | #endif |
1543 | |
1820 | |
1544 | void inline_speed |
1821 | void inline_speed |
1545 | time_update (EV_P_ ev_tstamp max_block) |
1822 | time_update (EV_P_ ev_tstamp max_block) |
… | |
… | |
1574 | */ |
1851 | */ |
1575 | for (i = 4; --i; ) |
1852 | for (i = 4; --i; ) |
1576 | { |
1853 | { |
1577 | rtmn_diff = ev_rt_now - mn_now; |
1854 | rtmn_diff = ev_rt_now - mn_now; |
1578 | |
1855 | |
1579 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1856 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
1580 | return; /* all is well */ |
1857 | return; /* all is well */ |
1581 | |
1858 | |
1582 | ev_rt_now = ev_time (); |
1859 | ev_rt_now = ev_time (); |
1583 | mn_now = get_clock (); |
1860 | mn_now = get_clock (); |
1584 | now_floor = mn_now; |
1861 | now_floor = mn_now; |
… | |
… | |
1600 | #if EV_PERIODIC_ENABLE |
1877 | #if EV_PERIODIC_ENABLE |
1601 | periodics_reschedule (EV_A); |
1878 | periodics_reschedule (EV_A); |
1602 | #endif |
1879 | #endif |
1603 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1880 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1604 | for (i = 0; i < timercnt; ++i) |
1881 | for (i = 0; i < timercnt; ++i) |
|
|
1882 | { |
|
|
1883 | ANHE *he = timers + i + HEAP0; |
1605 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1884 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1885 | ANHE_at_cache (*he); |
|
|
1886 | } |
1606 | } |
1887 | } |
1607 | |
1888 | |
1608 | mn_now = ev_rt_now; |
1889 | mn_now = ev_rt_now; |
1609 | } |
1890 | } |
1610 | } |
1891 | } |
… | |
… | |
1619 | ev_unref (EV_P) |
1900 | ev_unref (EV_P) |
1620 | { |
1901 | { |
1621 | --activecnt; |
1902 | --activecnt; |
1622 | } |
1903 | } |
1623 | |
1904 | |
|
|
1905 | void |
|
|
1906 | ev_now_update (EV_P) |
|
|
1907 | { |
|
|
1908 | time_update (EV_A_ 1e100); |
|
|
1909 | } |
|
|
1910 | |
1624 | static int loop_done; |
1911 | static int loop_done; |
1625 | |
1912 | |
1626 | void |
1913 | void |
1627 | ev_loop (EV_P_ int flags) |
1914 | ev_loop (EV_P_ int flags) |
1628 | { |
1915 | { |
… | |
… | |
1630 | |
1917 | |
1631 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1918 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1632 | |
1919 | |
1633 | do |
1920 | do |
1634 | { |
1921 | { |
|
|
1922 | #if EV_VERIFY >= 2 |
|
|
1923 | ev_loop_verify (EV_A); |
|
|
1924 | #endif |
|
|
1925 | |
1635 | #ifndef _WIN32 |
1926 | #ifndef _WIN32 |
1636 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1927 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1637 | if (expect_false (getpid () != curpid)) |
1928 | if (expect_false (getpid () != curpid)) |
1638 | { |
1929 | { |
1639 | curpid = getpid (); |
1930 | curpid = getpid (); |
… | |
… | |
1680 | |
1971 | |
1681 | waittime = MAX_BLOCKTIME; |
1972 | waittime = MAX_BLOCKTIME; |
1682 | |
1973 | |
1683 | if (timercnt) |
1974 | if (timercnt) |
1684 | { |
1975 | { |
1685 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1976 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
1686 | if (waittime > to) waittime = to; |
1977 | if (waittime > to) waittime = to; |
1687 | } |
1978 | } |
1688 | |
1979 | |
1689 | #if EV_PERIODIC_ENABLE |
1980 | #if EV_PERIODIC_ENABLE |
1690 | if (periodiccnt) |
1981 | if (periodiccnt) |
1691 | { |
1982 | { |
1692 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1983 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1693 | if (waittime > to) waittime = to; |
1984 | if (waittime > to) waittime = to; |
1694 | } |
1985 | } |
1695 | #endif |
1986 | #endif |
1696 | |
1987 | |
1697 | if (expect_false (waittime < timeout_blocktime)) |
1988 | if (expect_false (waittime < timeout_blocktime)) |
… | |
… | |
1833 | |
2124 | |
1834 | if (expect_false (ev_is_active (w))) |
2125 | if (expect_false (ev_is_active (w))) |
1835 | return; |
2126 | return; |
1836 | |
2127 | |
1837 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2128 | assert (("ev_io_start called with negative fd", fd >= 0)); |
|
|
2129 | assert (("ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE)))); |
|
|
2130 | |
|
|
2131 | EV_FREQUENT_CHECK; |
1838 | |
2132 | |
1839 | ev_start (EV_A_ (W)w, 1); |
2133 | ev_start (EV_A_ (W)w, 1); |
1840 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2134 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
1841 | wlist_add (&anfds[fd].head, (WL)w); |
2135 | wlist_add (&anfds[fd].head, (WL)w); |
1842 | |
2136 | |
1843 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2137 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
1844 | w->events &= ~EV_IOFDSET; |
2138 | w->events &= ~EV_IOFDSET; |
|
|
2139 | |
|
|
2140 | EV_FREQUENT_CHECK; |
1845 | } |
2141 | } |
1846 | |
2142 | |
1847 | void noinline |
2143 | void noinline |
1848 | ev_io_stop (EV_P_ ev_io *w) |
2144 | ev_io_stop (EV_P_ ev_io *w) |
1849 | { |
2145 | { |
1850 | clear_pending (EV_A_ (W)w); |
2146 | clear_pending (EV_A_ (W)w); |
1851 | if (expect_false (!ev_is_active (w))) |
2147 | if (expect_false (!ev_is_active (w))) |
1852 | return; |
2148 | return; |
1853 | |
2149 | |
1854 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2150 | assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
2151 | |
|
|
2152 | EV_FREQUENT_CHECK; |
1855 | |
2153 | |
1856 | wlist_del (&anfds[w->fd].head, (WL)w); |
2154 | wlist_del (&anfds[w->fd].head, (WL)w); |
1857 | ev_stop (EV_A_ (W)w); |
2155 | ev_stop (EV_A_ (W)w); |
1858 | |
2156 | |
1859 | fd_change (EV_A_ w->fd, 1); |
2157 | fd_change (EV_A_ w->fd, 1); |
|
|
2158 | |
|
|
2159 | EV_FREQUENT_CHECK; |
1860 | } |
2160 | } |
1861 | |
2161 | |
1862 | void noinline |
2162 | void noinline |
1863 | ev_timer_start (EV_P_ ev_timer *w) |
2163 | ev_timer_start (EV_P_ ev_timer *w) |
1864 | { |
2164 | { |
1865 | if (expect_false (ev_is_active (w))) |
2165 | if (expect_false (ev_is_active (w))) |
1866 | return; |
2166 | return; |
1867 | |
2167 | |
1868 | ((WT)w)->at += mn_now; |
2168 | ev_at (w) += mn_now; |
1869 | |
2169 | |
1870 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2170 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1871 | |
2171 | |
|
|
2172 | EV_FREQUENT_CHECK; |
|
|
2173 | |
|
|
2174 | ++timercnt; |
1872 | ev_start (EV_A_ (W)w, ++timercnt); |
2175 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
1873 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
2176 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
1874 | timers [timercnt - 1] = (WT)w; |
2177 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
1875 | upheap (timers, timercnt - 1); |
2178 | ANHE_at_cache (timers [ev_active (w)]); |
|
|
2179 | upheap (timers, ev_active (w)); |
1876 | |
2180 | |
|
|
2181 | EV_FREQUENT_CHECK; |
|
|
2182 | |
1877 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
2183 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
1878 | } |
2184 | } |
1879 | |
2185 | |
1880 | void noinline |
2186 | void noinline |
1881 | ev_timer_stop (EV_P_ ev_timer *w) |
2187 | ev_timer_stop (EV_P_ ev_timer *w) |
1882 | { |
2188 | { |
1883 | clear_pending (EV_A_ (W)w); |
2189 | clear_pending (EV_A_ (W)w); |
1884 | if (expect_false (!ev_is_active (w))) |
2190 | if (expect_false (!ev_is_active (w))) |
1885 | return; |
2191 | return; |
1886 | |
2192 | |
1887 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
2193 | EV_FREQUENT_CHECK; |
1888 | |
2194 | |
1889 | { |
2195 | { |
1890 | int active = ((W)w)->active; |
2196 | int active = ev_active (w); |
1891 | |
2197 | |
|
|
2198 | assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
|
|
2199 | |
|
|
2200 | --timercnt; |
|
|
2201 | |
1892 | if (expect_true (--active < --timercnt)) |
2202 | if (expect_true (active < timercnt + HEAP0)) |
1893 | { |
2203 | { |
1894 | timers [active] = timers [timercnt]; |
2204 | timers [active] = timers [timercnt + HEAP0]; |
1895 | adjustheap (timers, timercnt, active); |
2205 | adjustheap (timers, timercnt, active); |
1896 | } |
2206 | } |
1897 | } |
2207 | } |
1898 | |
2208 | |
1899 | ((WT)w)->at -= mn_now; |
2209 | EV_FREQUENT_CHECK; |
|
|
2210 | |
|
|
2211 | ev_at (w) -= mn_now; |
1900 | |
2212 | |
1901 | ev_stop (EV_A_ (W)w); |
2213 | ev_stop (EV_A_ (W)w); |
1902 | } |
2214 | } |
1903 | |
2215 | |
1904 | void noinline |
2216 | void noinline |
1905 | ev_timer_again (EV_P_ ev_timer *w) |
2217 | ev_timer_again (EV_P_ ev_timer *w) |
1906 | { |
2218 | { |
|
|
2219 | EV_FREQUENT_CHECK; |
|
|
2220 | |
1907 | if (ev_is_active (w)) |
2221 | if (ev_is_active (w)) |
1908 | { |
2222 | { |
1909 | if (w->repeat) |
2223 | if (w->repeat) |
1910 | { |
2224 | { |
1911 | ((WT)w)->at = mn_now + w->repeat; |
2225 | ev_at (w) = mn_now + w->repeat; |
|
|
2226 | ANHE_at_cache (timers [ev_active (w)]); |
1912 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
2227 | adjustheap (timers, timercnt, ev_active (w)); |
1913 | } |
2228 | } |
1914 | else |
2229 | else |
1915 | ev_timer_stop (EV_A_ w); |
2230 | ev_timer_stop (EV_A_ w); |
1916 | } |
2231 | } |
1917 | else if (w->repeat) |
2232 | else if (w->repeat) |
1918 | { |
2233 | { |
1919 | w->at = w->repeat; |
2234 | ev_at (w) = w->repeat; |
1920 | ev_timer_start (EV_A_ w); |
2235 | ev_timer_start (EV_A_ w); |
1921 | } |
2236 | } |
|
|
2237 | |
|
|
2238 | EV_FREQUENT_CHECK; |
1922 | } |
2239 | } |
1923 | |
2240 | |
1924 | #if EV_PERIODIC_ENABLE |
2241 | #if EV_PERIODIC_ENABLE |
1925 | void noinline |
2242 | void noinline |
1926 | ev_periodic_start (EV_P_ ev_periodic *w) |
2243 | ev_periodic_start (EV_P_ ev_periodic *w) |
1927 | { |
2244 | { |
1928 | if (expect_false (ev_is_active (w))) |
2245 | if (expect_false (ev_is_active (w))) |
1929 | return; |
2246 | return; |
1930 | |
2247 | |
1931 | if (w->reschedule_cb) |
2248 | if (w->reschedule_cb) |
1932 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
2249 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1933 | else if (w->interval) |
2250 | else if (w->interval) |
1934 | { |
2251 | { |
1935 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2252 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1936 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2253 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1937 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2254 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1938 | } |
2255 | } |
1939 | else |
2256 | else |
1940 | ((WT)w)->at = w->offset; |
2257 | ev_at (w) = w->offset; |
1941 | |
2258 | |
|
|
2259 | EV_FREQUENT_CHECK; |
|
|
2260 | |
|
|
2261 | ++periodiccnt; |
1942 | ev_start (EV_A_ (W)w, ++periodiccnt); |
2262 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
1943 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
2263 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
1944 | periodics [periodiccnt - 1] = (WT)w; |
2264 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
1945 | upheap (periodics, periodiccnt - 1); |
2265 | ANHE_at_cache (periodics [ev_active (w)]); |
|
|
2266 | upheap (periodics, ev_active (w)); |
1946 | |
2267 | |
|
|
2268 | EV_FREQUENT_CHECK; |
|
|
2269 | |
1947 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
2270 | /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
1948 | } |
2271 | } |
1949 | |
2272 | |
1950 | void noinline |
2273 | void noinline |
1951 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2274 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1952 | { |
2275 | { |
1953 | clear_pending (EV_A_ (W)w); |
2276 | clear_pending (EV_A_ (W)w); |
1954 | if (expect_false (!ev_is_active (w))) |
2277 | if (expect_false (!ev_is_active (w))) |
1955 | return; |
2278 | return; |
1956 | |
2279 | |
1957 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
2280 | EV_FREQUENT_CHECK; |
1958 | |
2281 | |
1959 | { |
2282 | { |
1960 | int active = ((W)w)->active; |
2283 | int active = ev_active (w); |
1961 | |
2284 | |
|
|
2285 | assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
|
|
2286 | |
|
|
2287 | --periodiccnt; |
|
|
2288 | |
1962 | if (expect_true (--active < --periodiccnt)) |
2289 | if (expect_true (active < periodiccnt + HEAP0)) |
1963 | { |
2290 | { |
1964 | periodics [active] = periodics [periodiccnt]; |
2291 | periodics [active] = periodics [periodiccnt + HEAP0]; |
1965 | adjustheap (periodics, periodiccnt, active); |
2292 | adjustheap (periodics, periodiccnt, active); |
1966 | } |
2293 | } |
1967 | } |
2294 | } |
1968 | |
2295 | |
|
|
2296 | EV_FREQUENT_CHECK; |
|
|
2297 | |
1969 | ev_stop (EV_A_ (W)w); |
2298 | ev_stop (EV_A_ (W)w); |
1970 | } |
2299 | } |
1971 | |
2300 | |
1972 | void noinline |
2301 | void noinline |
1973 | ev_periodic_again (EV_P_ ev_periodic *w) |
2302 | ev_periodic_again (EV_P_ ev_periodic *w) |
… | |
… | |
1992 | return; |
2321 | return; |
1993 | |
2322 | |
1994 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2323 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1995 | |
2324 | |
1996 | evpipe_init (EV_A); |
2325 | evpipe_init (EV_A); |
|
|
2326 | |
|
|
2327 | EV_FREQUENT_CHECK; |
1997 | |
2328 | |
1998 | { |
2329 | { |
1999 | #ifndef _WIN32 |
2330 | #ifndef _WIN32 |
2000 | sigset_t full, prev; |
2331 | sigset_t full, prev; |
2001 | sigfillset (&full); |
2332 | sigfillset (&full); |
2002 | sigprocmask (SIG_SETMASK, &full, &prev); |
2333 | sigprocmask (SIG_SETMASK, &full, &prev); |
2003 | #endif |
2334 | #endif |
2004 | |
2335 | |
2005 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
2336 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
2006 | |
2337 | |
2007 | #ifndef _WIN32 |
2338 | #ifndef _WIN32 |
2008 | sigprocmask (SIG_SETMASK, &prev, 0); |
2339 | sigprocmask (SIG_SETMASK, &prev, 0); |
2009 | #endif |
2340 | #endif |
2010 | } |
2341 | } |
… | |
… | |
2022 | sigfillset (&sa.sa_mask); |
2353 | sigfillset (&sa.sa_mask); |
2023 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2354 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2024 | sigaction (w->signum, &sa, 0); |
2355 | sigaction (w->signum, &sa, 0); |
2025 | #endif |
2356 | #endif |
2026 | } |
2357 | } |
|
|
2358 | |
|
|
2359 | EV_FREQUENT_CHECK; |
2027 | } |
2360 | } |
2028 | |
2361 | |
2029 | void noinline |
2362 | void noinline |
2030 | ev_signal_stop (EV_P_ ev_signal *w) |
2363 | ev_signal_stop (EV_P_ ev_signal *w) |
2031 | { |
2364 | { |
2032 | clear_pending (EV_A_ (W)w); |
2365 | clear_pending (EV_A_ (W)w); |
2033 | if (expect_false (!ev_is_active (w))) |
2366 | if (expect_false (!ev_is_active (w))) |
2034 | return; |
2367 | return; |
2035 | |
2368 | |
|
|
2369 | EV_FREQUENT_CHECK; |
|
|
2370 | |
2036 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2371 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2037 | ev_stop (EV_A_ (W)w); |
2372 | ev_stop (EV_A_ (W)w); |
2038 | |
2373 | |
2039 | if (!signals [w->signum - 1].head) |
2374 | if (!signals [w->signum - 1].head) |
2040 | signal (w->signum, SIG_DFL); |
2375 | signal (w->signum, SIG_DFL); |
|
|
2376 | |
|
|
2377 | EV_FREQUENT_CHECK; |
2041 | } |
2378 | } |
2042 | |
2379 | |
2043 | void |
2380 | void |
2044 | ev_child_start (EV_P_ ev_child *w) |
2381 | ev_child_start (EV_P_ ev_child *w) |
2045 | { |
2382 | { |
… | |
… | |
2047 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2384 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2048 | #endif |
2385 | #endif |
2049 | if (expect_false (ev_is_active (w))) |
2386 | if (expect_false (ev_is_active (w))) |
2050 | return; |
2387 | return; |
2051 | |
2388 | |
|
|
2389 | EV_FREQUENT_CHECK; |
|
|
2390 | |
2052 | ev_start (EV_A_ (W)w, 1); |
2391 | ev_start (EV_A_ (W)w, 1); |
2053 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2392 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
|
|
2393 | |
|
|
2394 | EV_FREQUENT_CHECK; |
2054 | } |
2395 | } |
2055 | |
2396 | |
2056 | void |
2397 | void |
2057 | ev_child_stop (EV_P_ ev_child *w) |
2398 | ev_child_stop (EV_P_ ev_child *w) |
2058 | { |
2399 | { |
2059 | clear_pending (EV_A_ (W)w); |
2400 | clear_pending (EV_A_ (W)w); |
2060 | if (expect_false (!ev_is_active (w))) |
2401 | if (expect_false (!ev_is_active (w))) |
2061 | return; |
2402 | return; |
2062 | |
2403 | |
|
|
2404 | EV_FREQUENT_CHECK; |
|
|
2405 | |
2063 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2406 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2064 | ev_stop (EV_A_ (W)w); |
2407 | ev_stop (EV_A_ (W)w); |
|
|
2408 | |
|
|
2409 | EV_FREQUENT_CHECK; |
2065 | } |
2410 | } |
2066 | |
2411 | |
2067 | #if EV_STAT_ENABLE |
2412 | #if EV_STAT_ENABLE |
2068 | |
2413 | |
2069 | # ifdef _WIN32 |
2414 | # ifdef _WIN32 |
… | |
… | |
2087 | if (w->wd < 0) |
2432 | if (w->wd < 0) |
2088 | { |
2433 | { |
2089 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2434 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2090 | |
2435 | |
2091 | /* monitor some parent directory for speedup hints */ |
2436 | /* monitor some parent directory for speedup hints */ |
|
|
2437 | /* note that exceeding the hardcoded limit is not a correctness issue, */ |
|
|
2438 | /* but an efficiency issue only */ |
2092 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2439 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2093 | { |
2440 | { |
2094 | char path [4096]; |
2441 | char path [4096]; |
2095 | strcpy (path, w->path); |
2442 | strcpy (path, w->path); |
2096 | |
2443 | |
… | |
… | |
2136 | |
2483 | |
2137 | static void noinline |
2484 | static void noinline |
2138 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2485 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2139 | { |
2486 | { |
2140 | if (slot < 0) |
2487 | if (slot < 0) |
2141 | /* overflow, need to check for all hahs slots */ |
2488 | /* overflow, need to check for all hash slots */ |
2142 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2489 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2143 | infy_wd (EV_A_ slot, wd, ev); |
2490 | infy_wd (EV_A_ slot, wd, ev); |
2144 | else |
2491 | else |
2145 | { |
2492 | { |
2146 | WL w_; |
2493 | WL w_; |
… | |
… | |
2180 | infy_init (EV_P) |
2527 | infy_init (EV_P) |
2181 | { |
2528 | { |
2182 | if (fs_fd != -2) |
2529 | if (fs_fd != -2) |
2183 | return; |
2530 | return; |
2184 | |
2531 | |
|
|
2532 | /* kernels < 2.6.25 are borked |
|
|
2533 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
|
|
2534 | */ |
|
|
2535 | { |
|
|
2536 | struct utsname buf; |
|
|
2537 | int major, minor, micro; |
|
|
2538 | |
|
|
2539 | fs_fd = -1; |
|
|
2540 | |
|
|
2541 | if (uname (&buf)) |
|
|
2542 | return; |
|
|
2543 | |
|
|
2544 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2545 | return; |
|
|
2546 | |
|
|
2547 | if (major < 2 |
|
|
2548 | || (major == 2 && minor < 6) |
|
|
2549 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2550 | return; |
|
|
2551 | } |
|
|
2552 | |
2185 | fs_fd = inotify_init (); |
2553 | fs_fd = inotify_init (); |
2186 | |
2554 | |
2187 | if (fs_fd >= 0) |
2555 | if (fs_fd >= 0) |
2188 | { |
2556 | { |
2189 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
2557 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
… | |
… | |
2218 | if (fs_fd >= 0) |
2586 | if (fs_fd >= 0) |
2219 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2587 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2220 | else |
2588 | else |
2221 | ev_timer_start (EV_A_ &w->timer); |
2589 | ev_timer_start (EV_A_ &w->timer); |
2222 | } |
2590 | } |
2223 | |
|
|
2224 | } |
2591 | } |
2225 | } |
2592 | } |
2226 | |
2593 | |
|
|
2594 | #endif |
|
|
2595 | |
|
|
2596 | #ifdef _WIN32 |
|
|
2597 | # define EV_LSTAT(p,b) _stati64 (p, b) |
|
|
2598 | #else |
|
|
2599 | # define EV_LSTAT(p,b) lstat (p, b) |
2227 | #endif |
2600 | #endif |
2228 | |
2601 | |
2229 | void |
2602 | void |
2230 | ev_stat_stat (EV_P_ ev_stat *w) |
2603 | ev_stat_stat (EV_P_ ev_stat *w) |
2231 | { |
2604 | { |
… | |
… | |
2258 | || w->prev.st_atime != w->attr.st_atime |
2631 | || w->prev.st_atime != w->attr.st_atime |
2259 | || w->prev.st_mtime != w->attr.st_mtime |
2632 | || w->prev.st_mtime != w->attr.st_mtime |
2260 | || w->prev.st_ctime != w->attr.st_ctime |
2633 | || w->prev.st_ctime != w->attr.st_ctime |
2261 | ) { |
2634 | ) { |
2262 | #if EV_USE_INOTIFY |
2635 | #if EV_USE_INOTIFY |
|
|
2636 | if (fs_fd >= 0) |
|
|
2637 | { |
2263 | infy_del (EV_A_ w); |
2638 | infy_del (EV_A_ w); |
2264 | infy_add (EV_A_ w); |
2639 | infy_add (EV_A_ w); |
2265 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
2640 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2641 | } |
2266 | #endif |
2642 | #endif |
2267 | |
2643 | |
2268 | ev_feed_event (EV_A_ w, EV_STAT); |
2644 | ev_feed_event (EV_A_ w, EV_STAT); |
2269 | } |
2645 | } |
2270 | } |
2646 | } |
… | |
… | |
2295 | else |
2671 | else |
2296 | #endif |
2672 | #endif |
2297 | ev_timer_start (EV_A_ &w->timer); |
2673 | ev_timer_start (EV_A_ &w->timer); |
2298 | |
2674 | |
2299 | ev_start (EV_A_ (W)w, 1); |
2675 | ev_start (EV_A_ (W)w, 1); |
|
|
2676 | |
|
|
2677 | EV_FREQUENT_CHECK; |
2300 | } |
2678 | } |
2301 | |
2679 | |
2302 | void |
2680 | void |
2303 | ev_stat_stop (EV_P_ ev_stat *w) |
2681 | ev_stat_stop (EV_P_ ev_stat *w) |
2304 | { |
2682 | { |
2305 | clear_pending (EV_A_ (W)w); |
2683 | clear_pending (EV_A_ (W)w); |
2306 | if (expect_false (!ev_is_active (w))) |
2684 | if (expect_false (!ev_is_active (w))) |
2307 | return; |
2685 | return; |
2308 | |
2686 | |
|
|
2687 | EV_FREQUENT_CHECK; |
|
|
2688 | |
2309 | #if EV_USE_INOTIFY |
2689 | #if EV_USE_INOTIFY |
2310 | infy_del (EV_A_ w); |
2690 | infy_del (EV_A_ w); |
2311 | #endif |
2691 | #endif |
2312 | ev_timer_stop (EV_A_ &w->timer); |
2692 | ev_timer_stop (EV_A_ &w->timer); |
2313 | |
2693 | |
2314 | ev_stop (EV_A_ (W)w); |
2694 | ev_stop (EV_A_ (W)w); |
|
|
2695 | |
|
|
2696 | EV_FREQUENT_CHECK; |
2315 | } |
2697 | } |
2316 | #endif |
2698 | #endif |
2317 | |
2699 | |
2318 | #if EV_IDLE_ENABLE |
2700 | #if EV_IDLE_ENABLE |
2319 | void |
2701 | void |
… | |
… | |
2321 | { |
2703 | { |
2322 | if (expect_false (ev_is_active (w))) |
2704 | if (expect_false (ev_is_active (w))) |
2323 | return; |
2705 | return; |
2324 | |
2706 | |
2325 | pri_adjust (EV_A_ (W)w); |
2707 | pri_adjust (EV_A_ (W)w); |
|
|
2708 | |
|
|
2709 | EV_FREQUENT_CHECK; |
2326 | |
2710 | |
2327 | { |
2711 | { |
2328 | int active = ++idlecnt [ABSPRI (w)]; |
2712 | int active = ++idlecnt [ABSPRI (w)]; |
2329 | |
2713 | |
2330 | ++idleall; |
2714 | ++idleall; |
2331 | ev_start (EV_A_ (W)w, active); |
2715 | ev_start (EV_A_ (W)w, active); |
2332 | |
2716 | |
2333 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2717 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2334 | idles [ABSPRI (w)][active - 1] = w; |
2718 | idles [ABSPRI (w)][active - 1] = w; |
2335 | } |
2719 | } |
|
|
2720 | |
|
|
2721 | EV_FREQUENT_CHECK; |
2336 | } |
2722 | } |
2337 | |
2723 | |
2338 | void |
2724 | void |
2339 | ev_idle_stop (EV_P_ ev_idle *w) |
2725 | ev_idle_stop (EV_P_ ev_idle *w) |
2340 | { |
2726 | { |
2341 | clear_pending (EV_A_ (W)w); |
2727 | clear_pending (EV_A_ (W)w); |
2342 | if (expect_false (!ev_is_active (w))) |
2728 | if (expect_false (!ev_is_active (w))) |
2343 | return; |
2729 | return; |
2344 | |
2730 | |
|
|
2731 | EV_FREQUENT_CHECK; |
|
|
2732 | |
2345 | { |
2733 | { |
2346 | int active = ((W)w)->active; |
2734 | int active = ev_active (w); |
2347 | |
2735 | |
2348 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2736 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2349 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
2737 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2350 | |
2738 | |
2351 | ev_stop (EV_A_ (W)w); |
2739 | ev_stop (EV_A_ (W)w); |
2352 | --idleall; |
2740 | --idleall; |
2353 | } |
2741 | } |
|
|
2742 | |
|
|
2743 | EV_FREQUENT_CHECK; |
2354 | } |
2744 | } |
2355 | #endif |
2745 | #endif |
2356 | |
2746 | |
2357 | void |
2747 | void |
2358 | ev_prepare_start (EV_P_ ev_prepare *w) |
2748 | ev_prepare_start (EV_P_ ev_prepare *w) |
2359 | { |
2749 | { |
2360 | if (expect_false (ev_is_active (w))) |
2750 | if (expect_false (ev_is_active (w))) |
2361 | return; |
2751 | return; |
|
|
2752 | |
|
|
2753 | EV_FREQUENT_CHECK; |
2362 | |
2754 | |
2363 | ev_start (EV_A_ (W)w, ++preparecnt); |
2755 | ev_start (EV_A_ (W)w, ++preparecnt); |
2364 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2756 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2365 | prepares [preparecnt - 1] = w; |
2757 | prepares [preparecnt - 1] = w; |
|
|
2758 | |
|
|
2759 | EV_FREQUENT_CHECK; |
2366 | } |
2760 | } |
2367 | |
2761 | |
2368 | void |
2762 | void |
2369 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2763 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2370 | { |
2764 | { |
2371 | clear_pending (EV_A_ (W)w); |
2765 | clear_pending (EV_A_ (W)w); |
2372 | if (expect_false (!ev_is_active (w))) |
2766 | if (expect_false (!ev_is_active (w))) |
2373 | return; |
2767 | return; |
2374 | |
2768 | |
|
|
2769 | EV_FREQUENT_CHECK; |
|
|
2770 | |
2375 | { |
2771 | { |
2376 | int active = ((W)w)->active; |
2772 | int active = ev_active (w); |
|
|
2773 | |
2377 | prepares [active - 1] = prepares [--preparecnt]; |
2774 | prepares [active - 1] = prepares [--preparecnt]; |
2378 | ((W)prepares [active - 1])->active = active; |
2775 | ev_active (prepares [active - 1]) = active; |
2379 | } |
2776 | } |
2380 | |
2777 | |
2381 | ev_stop (EV_A_ (W)w); |
2778 | ev_stop (EV_A_ (W)w); |
|
|
2779 | |
|
|
2780 | EV_FREQUENT_CHECK; |
2382 | } |
2781 | } |
2383 | |
2782 | |
2384 | void |
2783 | void |
2385 | ev_check_start (EV_P_ ev_check *w) |
2784 | ev_check_start (EV_P_ ev_check *w) |
2386 | { |
2785 | { |
2387 | if (expect_false (ev_is_active (w))) |
2786 | if (expect_false (ev_is_active (w))) |
2388 | return; |
2787 | return; |
|
|
2788 | |
|
|
2789 | EV_FREQUENT_CHECK; |
2389 | |
2790 | |
2390 | ev_start (EV_A_ (W)w, ++checkcnt); |
2791 | ev_start (EV_A_ (W)w, ++checkcnt); |
2391 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2792 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2392 | checks [checkcnt - 1] = w; |
2793 | checks [checkcnt - 1] = w; |
|
|
2794 | |
|
|
2795 | EV_FREQUENT_CHECK; |
2393 | } |
2796 | } |
2394 | |
2797 | |
2395 | void |
2798 | void |
2396 | ev_check_stop (EV_P_ ev_check *w) |
2799 | ev_check_stop (EV_P_ ev_check *w) |
2397 | { |
2800 | { |
2398 | clear_pending (EV_A_ (W)w); |
2801 | clear_pending (EV_A_ (W)w); |
2399 | if (expect_false (!ev_is_active (w))) |
2802 | if (expect_false (!ev_is_active (w))) |
2400 | return; |
2803 | return; |
2401 | |
2804 | |
|
|
2805 | EV_FREQUENT_CHECK; |
|
|
2806 | |
2402 | { |
2807 | { |
2403 | int active = ((W)w)->active; |
2808 | int active = ev_active (w); |
|
|
2809 | |
2404 | checks [active - 1] = checks [--checkcnt]; |
2810 | checks [active - 1] = checks [--checkcnt]; |
2405 | ((W)checks [active - 1])->active = active; |
2811 | ev_active (checks [active - 1]) = active; |
2406 | } |
2812 | } |
2407 | |
2813 | |
2408 | ev_stop (EV_A_ (W)w); |
2814 | ev_stop (EV_A_ (W)w); |
|
|
2815 | |
|
|
2816 | EV_FREQUENT_CHECK; |
2409 | } |
2817 | } |
2410 | |
2818 | |
2411 | #if EV_EMBED_ENABLE |
2819 | #if EV_EMBED_ENABLE |
2412 | void noinline |
2820 | void noinline |
2413 | ev_embed_sweep (EV_P_ ev_embed *w) |
2821 | ev_embed_sweep (EV_P_ ev_embed *w) |
… | |
… | |
2440 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2848 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2441 | } |
2849 | } |
2442 | } |
2850 | } |
2443 | } |
2851 | } |
2444 | |
2852 | |
|
|
2853 | static void |
|
|
2854 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
|
|
2855 | { |
|
|
2856 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
|
|
2857 | |
|
|
2858 | { |
|
|
2859 | struct ev_loop *loop = w->other; |
|
|
2860 | |
|
|
2861 | ev_loop_fork (EV_A); |
|
|
2862 | } |
|
|
2863 | } |
|
|
2864 | |
2445 | #if 0 |
2865 | #if 0 |
2446 | static void |
2866 | static void |
2447 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2867 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2448 | { |
2868 | { |
2449 | ev_idle_stop (EV_A_ idle); |
2869 | ev_idle_stop (EV_A_ idle); |
… | |
… | |
2460 | struct ev_loop *loop = w->other; |
2880 | struct ev_loop *loop = w->other; |
2461 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2881 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2462 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2882 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2463 | } |
2883 | } |
2464 | |
2884 | |
|
|
2885 | EV_FREQUENT_CHECK; |
|
|
2886 | |
2465 | ev_set_priority (&w->io, ev_priority (w)); |
2887 | ev_set_priority (&w->io, ev_priority (w)); |
2466 | ev_io_start (EV_A_ &w->io); |
2888 | ev_io_start (EV_A_ &w->io); |
2467 | |
2889 | |
2468 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2890 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2469 | ev_set_priority (&w->prepare, EV_MINPRI); |
2891 | ev_set_priority (&w->prepare, EV_MINPRI); |
2470 | ev_prepare_start (EV_A_ &w->prepare); |
2892 | ev_prepare_start (EV_A_ &w->prepare); |
2471 | |
2893 | |
|
|
2894 | ev_fork_init (&w->fork, embed_fork_cb); |
|
|
2895 | ev_fork_start (EV_A_ &w->fork); |
|
|
2896 | |
2472 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2897 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2473 | |
2898 | |
2474 | ev_start (EV_A_ (W)w, 1); |
2899 | ev_start (EV_A_ (W)w, 1); |
|
|
2900 | |
|
|
2901 | EV_FREQUENT_CHECK; |
2475 | } |
2902 | } |
2476 | |
2903 | |
2477 | void |
2904 | void |
2478 | ev_embed_stop (EV_P_ ev_embed *w) |
2905 | ev_embed_stop (EV_P_ ev_embed *w) |
2479 | { |
2906 | { |
2480 | clear_pending (EV_A_ (W)w); |
2907 | clear_pending (EV_A_ (W)w); |
2481 | if (expect_false (!ev_is_active (w))) |
2908 | if (expect_false (!ev_is_active (w))) |
2482 | return; |
2909 | return; |
2483 | |
2910 | |
|
|
2911 | EV_FREQUENT_CHECK; |
|
|
2912 | |
2484 | ev_io_stop (EV_A_ &w->io); |
2913 | ev_io_stop (EV_A_ &w->io); |
2485 | ev_prepare_stop (EV_A_ &w->prepare); |
2914 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
2915 | ev_fork_stop (EV_A_ &w->fork); |
2486 | |
2916 | |
2487 | ev_stop (EV_A_ (W)w); |
2917 | EV_FREQUENT_CHECK; |
2488 | } |
2918 | } |
2489 | #endif |
2919 | #endif |
2490 | |
2920 | |
2491 | #if EV_FORK_ENABLE |
2921 | #if EV_FORK_ENABLE |
2492 | void |
2922 | void |
2493 | ev_fork_start (EV_P_ ev_fork *w) |
2923 | ev_fork_start (EV_P_ ev_fork *w) |
2494 | { |
2924 | { |
2495 | if (expect_false (ev_is_active (w))) |
2925 | if (expect_false (ev_is_active (w))) |
2496 | return; |
2926 | return; |
|
|
2927 | |
|
|
2928 | EV_FREQUENT_CHECK; |
2497 | |
2929 | |
2498 | ev_start (EV_A_ (W)w, ++forkcnt); |
2930 | ev_start (EV_A_ (W)w, ++forkcnt); |
2499 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2931 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2500 | forks [forkcnt - 1] = w; |
2932 | forks [forkcnt - 1] = w; |
|
|
2933 | |
|
|
2934 | EV_FREQUENT_CHECK; |
2501 | } |
2935 | } |
2502 | |
2936 | |
2503 | void |
2937 | void |
2504 | ev_fork_stop (EV_P_ ev_fork *w) |
2938 | ev_fork_stop (EV_P_ ev_fork *w) |
2505 | { |
2939 | { |
2506 | clear_pending (EV_A_ (W)w); |
2940 | clear_pending (EV_A_ (W)w); |
2507 | if (expect_false (!ev_is_active (w))) |
2941 | if (expect_false (!ev_is_active (w))) |
2508 | return; |
2942 | return; |
2509 | |
2943 | |
|
|
2944 | EV_FREQUENT_CHECK; |
|
|
2945 | |
2510 | { |
2946 | { |
2511 | int active = ((W)w)->active; |
2947 | int active = ev_active (w); |
|
|
2948 | |
2512 | forks [active - 1] = forks [--forkcnt]; |
2949 | forks [active - 1] = forks [--forkcnt]; |
2513 | ((W)forks [active - 1])->active = active; |
2950 | ev_active (forks [active - 1]) = active; |
2514 | } |
2951 | } |
2515 | |
2952 | |
2516 | ev_stop (EV_A_ (W)w); |
2953 | ev_stop (EV_A_ (W)w); |
|
|
2954 | |
|
|
2955 | EV_FREQUENT_CHECK; |
2517 | } |
2956 | } |
2518 | #endif |
2957 | #endif |
2519 | |
2958 | |
2520 | #if EV_ASYNC_ENABLE |
2959 | #if EV_ASYNC_ENABLE |
2521 | void |
2960 | void |
… | |
… | |
2523 | { |
2962 | { |
2524 | if (expect_false (ev_is_active (w))) |
2963 | if (expect_false (ev_is_active (w))) |
2525 | return; |
2964 | return; |
2526 | |
2965 | |
2527 | evpipe_init (EV_A); |
2966 | evpipe_init (EV_A); |
|
|
2967 | |
|
|
2968 | EV_FREQUENT_CHECK; |
2528 | |
2969 | |
2529 | ev_start (EV_A_ (W)w, ++asynccnt); |
2970 | ev_start (EV_A_ (W)w, ++asynccnt); |
2530 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
2971 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
2531 | asyncs [asynccnt - 1] = w; |
2972 | asyncs [asynccnt - 1] = w; |
|
|
2973 | |
|
|
2974 | EV_FREQUENT_CHECK; |
2532 | } |
2975 | } |
2533 | |
2976 | |
2534 | void |
2977 | void |
2535 | ev_async_stop (EV_P_ ev_async *w) |
2978 | ev_async_stop (EV_P_ ev_async *w) |
2536 | { |
2979 | { |
2537 | clear_pending (EV_A_ (W)w); |
2980 | clear_pending (EV_A_ (W)w); |
2538 | if (expect_false (!ev_is_active (w))) |
2981 | if (expect_false (!ev_is_active (w))) |
2539 | return; |
2982 | return; |
2540 | |
2983 | |
|
|
2984 | EV_FREQUENT_CHECK; |
|
|
2985 | |
2541 | { |
2986 | { |
2542 | int active = ((W)w)->active; |
2987 | int active = ev_active (w); |
|
|
2988 | |
2543 | asyncs [active - 1] = asyncs [--asynccnt]; |
2989 | asyncs [active - 1] = asyncs [--asynccnt]; |
2544 | ((W)asyncs [active - 1])->active = active; |
2990 | ev_active (asyncs [active - 1]) = active; |
2545 | } |
2991 | } |
2546 | |
2992 | |
2547 | ev_stop (EV_A_ (W)w); |
2993 | ev_stop (EV_A_ (W)w); |
|
|
2994 | |
|
|
2995 | EV_FREQUENT_CHECK; |
2548 | } |
2996 | } |
2549 | |
2997 | |
2550 | void |
2998 | void |
2551 | ev_async_send (EV_P_ ev_async *w) |
2999 | ev_async_send (EV_P_ ev_async *w) |
2552 | { |
3000 | { |
… | |
… | |
2569 | once_cb (EV_P_ struct ev_once *once, int revents) |
3017 | once_cb (EV_P_ struct ev_once *once, int revents) |
2570 | { |
3018 | { |
2571 | void (*cb)(int revents, void *arg) = once->cb; |
3019 | void (*cb)(int revents, void *arg) = once->cb; |
2572 | void *arg = once->arg; |
3020 | void *arg = once->arg; |
2573 | |
3021 | |
2574 | ev_io_stop (EV_A_ &once->io); |
3022 | ev_io_stop (EV_A_ &once->io); |
2575 | ev_timer_stop (EV_A_ &once->to); |
3023 | ev_timer_stop (EV_A_ &once->to); |
2576 | ev_free (once); |
3024 | ev_free (once); |
2577 | |
3025 | |
2578 | cb (revents, arg); |
3026 | cb (revents, arg); |
2579 | } |
3027 | } |
2580 | |
3028 | |
2581 | static void |
3029 | static void |
2582 | once_cb_io (EV_P_ ev_io *w, int revents) |
3030 | once_cb_io (EV_P_ ev_io *w, int revents) |
2583 | { |
3031 | { |
2584 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
3032 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)); |
|
|
3033 | |
|
|
3034 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to)); |
2585 | } |
3035 | } |
2586 | |
3036 | |
2587 | static void |
3037 | static void |
2588 | once_cb_to (EV_P_ ev_timer *w, int revents) |
3038 | once_cb_to (EV_P_ ev_timer *w, int revents) |
2589 | { |
3039 | { |
2590 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
3040 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)); |
|
|
3041 | |
|
|
3042 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
2591 | } |
3043 | } |
2592 | |
3044 | |
2593 | void |
3045 | void |
2594 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
3046 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2595 | { |
3047 | { |