… | |
… | |
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 |
… | |
… | |
268 | # include <winsock.h> |
295 | # include <winsock.h> |
269 | #endif |
296 | #endif |
270 | |
297 | |
271 | #if EV_USE_EVENTFD |
298 | #if EV_USE_EVENTFD |
272 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
299 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
300 | # include <stdint.h> |
|
|
301 | # ifdef __cplusplus |
|
|
302 | extern "C" { |
|
|
303 | # endif |
273 | int eventfd (unsigned int initval, int flags); |
304 | int eventfd (unsigned int initval, int flags); |
|
|
305 | # ifdef __cplusplus |
|
|
306 | } |
|
|
307 | # endif |
274 | #endif |
308 | #endif |
275 | |
309 | |
276 | /**/ |
310 | /**/ |
|
|
311 | |
|
|
312 | #if EV_VERIFY >= 3 |
|
|
313 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
|
|
314 | #else |
|
|
315 | # define EV_FREQUENT_CHECK do { } while (0) |
|
|
316 | #endif |
277 | |
317 | |
278 | /* |
318 | /* |
279 | * This is used to avoid floating point rounding problems. |
319 | * This is used to avoid floating point rounding problems. |
280 | * It is added to ev_rt_now when scheduling periodics |
320 | * It is added to ev_rt_now when scheduling periodics |
281 | * to ensure progress, time-wise, even when rounding |
321 | * to ensure progress, time-wise, even when rounding |
… | |
… | |
293 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
333 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
294 | # define noinline __attribute__ ((noinline)) |
334 | # define noinline __attribute__ ((noinline)) |
295 | #else |
335 | #else |
296 | # define expect(expr,value) (expr) |
336 | # define expect(expr,value) (expr) |
297 | # define noinline |
337 | # define noinline |
298 | # if __STDC_VERSION__ < 199901L |
338 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
299 | # define inline |
339 | # define inline |
300 | # endif |
340 | # endif |
301 | #endif |
341 | #endif |
302 | |
342 | |
303 | #define expect_false(expr) expect ((expr) != 0, 0) |
343 | #define expect_false(expr) expect ((expr) != 0, 0) |
… | |
… | |
318 | |
358 | |
319 | typedef ev_watcher *W; |
359 | typedef ev_watcher *W; |
320 | typedef ev_watcher_list *WL; |
360 | typedef ev_watcher_list *WL; |
321 | typedef ev_watcher_time *WT; |
361 | typedef ev_watcher_time *WT; |
322 | |
362 | |
|
|
363 | #define ev_active(w) ((W)(w))->active |
|
|
364 | #define ev_at(w) ((WT)(w))->at |
|
|
365 | |
323 | #if EV_USE_MONOTONIC |
366 | #if EV_USE_MONOTONIC |
324 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
367 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
325 | /* giving it a reasonably high chance of working on typical architetcures */ |
368 | /* giving it a reasonably high chance of working on typical architetcures */ |
326 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
369 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
327 | #endif |
370 | #endif |
… | |
… | |
353 | perror (msg); |
396 | perror (msg); |
354 | abort (); |
397 | abort (); |
355 | } |
398 | } |
356 | } |
399 | } |
357 | |
400 | |
|
|
401 | static void * |
|
|
402 | ev_realloc_emul (void *ptr, long size) |
|
|
403 | { |
|
|
404 | /* some systems, notably openbsd and darwin, fail to properly |
|
|
405 | * implement realloc (x, 0) (as required by both ansi c-98 and |
|
|
406 | * the single unix specification, so work around them here. |
|
|
407 | */ |
|
|
408 | |
|
|
409 | if (size) |
|
|
410 | return realloc (ptr, size); |
|
|
411 | |
|
|
412 | free (ptr); |
|
|
413 | return 0; |
|
|
414 | } |
|
|
415 | |
358 | static void *(*alloc)(void *ptr, long size); |
416 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
359 | |
417 | |
360 | void |
418 | void |
361 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
419 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
362 | { |
420 | { |
363 | alloc = cb; |
421 | alloc = cb; |
364 | } |
422 | } |
365 | |
423 | |
366 | inline_speed void * |
424 | inline_speed void * |
367 | ev_realloc (void *ptr, long size) |
425 | ev_realloc (void *ptr, long size) |
368 | { |
426 | { |
369 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
427 | ptr = alloc (ptr, size); |
370 | |
428 | |
371 | if (!ptr && size) |
429 | if (!ptr && size) |
372 | { |
430 | { |
373 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
431 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
374 | abort (); |
432 | abort (); |
… | |
… | |
397 | W w; |
455 | W w; |
398 | int events; |
456 | int events; |
399 | } ANPENDING; |
457 | } ANPENDING; |
400 | |
458 | |
401 | #if EV_USE_INOTIFY |
459 | #if EV_USE_INOTIFY |
|
|
460 | /* hash table entry per inotify-id */ |
402 | typedef struct |
461 | typedef struct |
403 | { |
462 | { |
404 | WL head; |
463 | WL head; |
405 | } ANFS; |
464 | } ANFS; |
|
|
465 | #endif |
|
|
466 | |
|
|
467 | /* Heap Entry */ |
|
|
468 | #if EV_HEAP_CACHE_AT |
|
|
469 | typedef struct { |
|
|
470 | ev_tstamp at; |
|
|
471 | WT w; |
|
|
472 | } ANHE; |
|
|
473 | |
|
|
474 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
|
|
475 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
|
|
476 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
|
|
477 | #else |
|
|
478 | typedef WT ANHE; |
|
|
479 | |
|
|
480 | #define ANHE_w(he) (he) |
|
|
481 | #define ANHE_at(he) (he)->at |
|
|
482 | #define ANHE_at_cache(he) |
406 | #endif |
483 | #endif |
407 | |
484 | |
408 | #if EV_MULTIPLICITY |
485 | #if EV_MULTIPLICITY |
409 | |
486 | |
410 | struct ev_loop |
487 | struct ev_loop |
… | |
… | |
488 | struct timeval tv; |
565 | struct timeval tv; |
489 | |
566 | |
490 | tv.tv_sec = (time_t)delay; |
567 | tv.tv_sec = (time_t)delay; |
491 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
568 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
492 | |
569 | |
|
|
570 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
|
|
571 | /* somehting nto guaranteed by newer posix versions, but guaranteed */ |
|
|
572 | /* by older ones */ |
493 | select (0, 0, 0, 0, &tv); |
573 | select (0, 0, 0, 0, &tv); |
494 | #endif |
574 | #endif |
495 | } |
575 | } |
496 | } |
576 | } |
497 | |
577 | |
498 | /*****************************************************************************/ |
578 | /*****************************************************************************/ |
|
|
579 | |
|
|
580 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
499 | |
581 | |
500 | int inline_size |
582 | int inline_size |
501 | array_nextsize (int elem, int cur, int cnt) |
583 | array_nextsize (int elem, int cur, int cnt) |
502 | { |
584 | { |
503 | int ncur = cur + 1; |
585 | int ncur = cur + 1; |
504 | |
586 | |
505 | do |
587 | do |
506 | ncur <<= 1; |
588 | ncur <<= 1; |
507 | while (cnt > ncur); |
589 | while (cnt > ncur); |
508 | |
590 | |
509 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
591 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
510 | if (elem * ncur > 4096) |
592 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
511 | { |
593 | { |
512 | ncur *= elem; |
594 | ncur *= elem; |
513 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
595 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
514 | ncur = ncur - sizeof (void *) * 4; |
596 | ncur = ncur - sizeof (void *) * 4; |
515 | ncur /= elem; |
597 | ncur /= elem; |
516 | } |
598 | } |
517 | |
599 | |
518 | return ncur; |
600 | return ncur; |
… | |
… | |
629 | events |= (unsigned char)w->events; |
711 | events |= (unsigned char)w->events; |
630 | |
712 | |
631 | #if EV_SELECT_IS_WINSOCKET |
713 | #if EV_SELECT_IS_WINSOCKET |
632 | if (events) |
714 | if (events) |
633 | { |
715 | { |
634 | unsigned long argp; |
716 | unsigned long arg; |
635 | #ifdef EV_FD_TO_WIN32_HANDLE |
717 | #ifdef EV_FD_TO_WIN32_HANDLE |
636 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
718 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
637 | #else |
719 | #else |
638 | anfd->handle = _get_osfhandle (fd); |
720 | anfd->handle = _get_osfhandle (fd); |
639 | #endif |
721 | #endif |
640 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
722 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
641 | } |
723 | } |
642 | #endif |
724 | #endif |
643 | |
725 | |
644 | { |
726 | { |
645 | unsigned char o_events = anfd->events; |
727 | unsigned char o_events = anfd->events; |
… | |
… | |
698 | { |
780 | { |
699 | int fd; |
781 | int fd; |
700 | |
782 | |
701 | for (fd = 0; fd < anfdmax; ++fd) |
783 | for (fd = 0; fd < anfdmax; ++fd) |
702 | if (anfds [fd].events) |
784 | if (anfds [fd].events) |
703 | if (!fd_valid (fd) == -1 && errno == EBADF) |
785 | if (!fd_valid (fd) && errno == EBADF) |
704 | fd_kill (EV_A_ fd); |
786 | fd_kill (EV_A_ fd); |
705 | } |
787 | } |
706 | |
788 | |
707 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
789 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
708 | static void noinline |
790 | static void noinline |
… | |
… | |
732 | } |
814 | } |
733 | } |
815 | } |
734 | |
816 | |
735 | /*****************************************************************************/ |
817 | /*****************************************************************************/ |
736 | |
818 | |
|
|
819 | /* |
|
|
820 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
|
|
821 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
|
|
822 | * the branching factor of the d-tree. |
|
|
823 | */ |
|
|
824 | |
|
|
825 | /* |
|
|
826 | * at the moment we allow libev the luxury of two heaps, |
|
|
827 | * a small-code-size 2-heap one and a ~1.5kb larger 4-heap |
|
|
828 | * which is more cache-efficient. |
|
|
829 | * the difference is about 5% with 50000+ watchers. |
|
|
830 | */ |
|
|
831 | #if EV_USE_4HEAP |
|
|
832 | |
|
|
833 | #define DHEAP 4 |
|
|
834 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
|
|
835 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
|
|
836 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
|
|
837 | |
|
|
838 | /* away from the root */ |
737 | void inline_speed |
839 | void inline_speed |
738 | upheap (WT *heap, int k) |
840 | downheap (ANHE *heap, int N, int k) |
739 | { |
841 | { |
740 | WT w = heap [k]; |
842 | ANHE he = heap [k]; |
|
|
843 | ANHE *E = heap + N + HEAP0; |
741 | |
844 | |
742 | while (k) |
845 | for (;;) |
743 | { |
846 | { |
744 | int p = (k - 1) >> 1; |
847 | ev_tstamp minat; |
|
|
848 | ANHE *minpos; |
|
|
849 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
745 | |
850 | |
746 | if (heap [p]->at <= w->at) |
851 | /* find minimum child */ |
|
|
852 | if (expect_true (pos + DHEAP - 1 < E)) |
|
|
853 | { |
|
|
854 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
855 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
856 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
857 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
858 | } |
|
|
859 | else if (pos < E) |
|
|
860 | { |
|
|
861 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
862 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
863 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
864 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
865 | } |
|
|
866 | else |
747 | break; |
867 | break; |
748 | |
868 | |
|
|
869 | if (ANHE_at (he) <= minat) |
|
|
870 | break; |
|
|
871 | |
|
|
872 | heap [k] = *minpos; |
|
|
873 | ev_active (ANHE_w (*minpos)) = k; |
|
|
874 | |
|
|
875 | k = minpos - heap; |
|
|
876 | } |
|
|
877 | |
|
|
878 | heap [k] = he; |
|
|
879 | ev_active (ANHE_w (he)) = k; |
|
|
880 | } |
|
|
881 | |
|
|
882 | #else /* 4HEAP */ |
|
|
883 | |
|
|
884 | #define HEAP0 1 |
|
|
885 | #define HPARENT(k) ((k) >> 1) |
|
|
886 | #define UPHEAP_DONE(p,k) (!(p)) |
|
|
887 | |
|
|
888 | /* away from the root */ |
|
|
889 | void inline_speed |
|
|
890 | downheap (ANHE *heap, int N, int k) |
|
|
891 | { |
|
|
892 | ANHE he = heap [k]; |
|
|
893 | |
|
|
894 | for (;;) |
|
|
895 | { |
|
|
896 | int c = k << 1; |
|
|
897 | |
|
|
898 | if (c > N + HEAP0 - 1) |
|
|
899 | break; |
|
|
900 | |
|
|
901 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
|
|
902 | ? 1 : 0; |
|
|
903 | |
|
|
904 | if (ANHE_at (he) <= ANHE_at (heap [c])) |
|
|
905 | break; |
|
|
906 | |
|
|
907 | heap [k] = heap [c]; |
|
|
908 | ev_active (ANHE_w (heap [k])) = k; |
|
|
909 | |
|
|
910 | k = c; |
|
|
911 | } |
|
|
912 | |
|
|
913 | heap [k] = he; |
|
|
914 | ev_active (ANHE_w (he)) = k; |
|
|
915 | } |
|
|
916 | #endif |
|
|
917 | |
|
|
918 | /* towards the root */ |
|
|
919 | void inline_speed |
|
|
920 | upheap (ANHE *heap, int k) |
|
|
921 | { |
|
|
922 | ANHE he = heap [k]; |
|
|
923 | |
|
|
924 | for (;;) |
|
|
925 | { |
|
|
926 | int p = HPARENT (k); |
|
|
927 | |
|
|
928 | if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he)) |
|
|
929 | break; |
|
|
930 | |
749 | heap [k] = heap [p]; |
931 | heap [k] = heap [p]; |
750 | ((W)heap [k])->active = k + 1; |
932 | ev_active (ANHE_w (heap [k])) = k; |
751 | k = p; |
933 | k = p; |
752 | } |
934 | } |
753 | |
935 | |
754 | heap [k] = w; |
936 | heap [k] = he; |
755 | ((W)heap [k])->active = k + 1; |
937 | ev_active (ANHE_w (he)) = k; |
756 | } |
|
|
757 | |
|
|
758 | void inline_speed |
|
|
759 | downheap (WT *heap, int N, int k) |
|
|
760 | { |
|
|
761 | WT w = heap [k]; |
|
|
762 | |
|
|
763 | for (;;) |
|
|
764 | { |
|
|
765 | int c = (k << 1) + 1; |
|
|
766 | |
|
|
767 | if (c >= N) |
|
|
768 | break; |
|
|
769 | |
|
|
770 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
771 | ? 1 : 0; |
|
|
772 | |
|
|
773 | if (w->at <= heap [c]->at) |
|
|
774 | break; |
|
|
775 | |
|
|
776 | heap [k] = heap [c]; |
|
|
777 | ((W)heap [k])->active = k + 1; |
|
|
778 | |
|
|
779 | k = c; |
|
|
780 | } |
|
|
781 | |
|
|
782 | heap [k] = w; |
|
|
783 | ((W)heap [k])->active = k + 1; |
|
|
784 | } |
938 | } |
785 | |
939 | |
786 | void inline_size |
940 | void inline_size |
787 | adjustheap (WT *heap, int N, int k) |
941 | adjustheap (ANHE *heap, int N, int k) |
788 | { |
942 | { |
|
|
943 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
789 | upheap (heap, k); |
944 | upheap (heap, k); |
|
|
945 | else |
790 | downheap (heap, N, k); |
946 | downheap (heap, N, k); |
|
|
947 | } |
|
|
948 | |
|
|
949 | /* rebuild the heap: this function is used only once and executed rarely */ |
|
|
950 | void inline_size |
|
|
951 | reheap (ANHE *heap, int N) |
|
|
952 | { |
|
|
953 | int i; |
|
|
954 | |
|
|
955 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
|
|
956 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
|
|
957 | for (i = 0; i < N; ++i) |
|
|
958 | upheap (heap, i + HEAP0); |
791 | } |
959 | } |
792 | |
960 | |
793 | /*****************************************************************************/ |
961 | /*****************************************************************************/ |
794 | |
962 | |
795 | typedef struct |
963 | typedef struct |
… | |
… | |
819 | |
987 | |
820 | void inline_speed |
988 | void inline_speed |
821 | fd_intern (int fd) |
989 | fd_intern (int fd) |
822 | { |
990 | { |
823 | #ifdef _WIN32 |
991 | #ifdef _WIN32 |
824 | int arg = 1; |
992 | unsigned long arg = 1; |
825 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
993 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
826 | #else |
994 | #else |
827 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
995 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
828 | fcntl (fd, F_SETFL, O_NONBLOCK); |
996 | fcntl (fd, F_SETFL, O_NONBLOCK); |
829 | #endif |
997 | #endif |
… | |
… | |
884 | pipecb (EV_P_ ev_io *iow, int revents) |
1052 | pipecb (EV_P_ ev_io *iow, int revents) |
885 | { |
1053 | { |
886 | #if EV_USE_EVENTFD |
1054 | #if EV_USE_EVENTFD |
887 | if (evfd >= 0) |
1055 | if (evfd >= 0) |
888 | { |
1056 | { |
889 | uint64_t counter = 1; |
1057 | uint64_t counter; |
890 | read (evfd, &counter, sizeof (uint64_t)); |
1058 | read (evfd, &counter, sizeof (uint64_t)); |
891 | } |
1059 | } |
892 | else |
1060 | else |
893 | #endif |
1061 | #endif |
894 | { |
1062 | { |
… | |
… | |
1163 | if (!(flags & EVFLAG_NOENV) |
1331 | if (!(flags & EVFLAG_NOENV) |
1164 | && !enable_secure () |
1332 | && !enable_secure () |
1165 | && getenv ("LIBEV_FLAGS")) |
1333 | && getenv ("LIBEV_FLAGS")) |
1166 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1334 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1167 | |
1335 | |
1168 | if (!(flags & 0x0000ffffUL)) |
1336 | if (!(flags & 0x0000ffffU)) |
1169 | flags |= ev_recommended_backends (); |
1337 | flags |= ev_recommended_backends (); |
1170 | |
1338 | |
1171 | #if EV_USE_PORT |
1339 | #if EV_USE_PORT |
1172 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1340 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1173 | #endif |
1341 | #endif |
… | |
… | |
1261 | #endif |
1429 | #endif |
1262 | |
1430 | |
1263 | backend = 0; |
1431 | backend = 0; |
1264 | } |
1432 | } |
1265 | |
1433 | |
|
|
1434 | #if EV_USE_INOTIFY |
1266 | void inline_size infy_fork (EV_P); |
1435 | void inline_size infy_fork (EV_P); |
|
|
1436 | #endif |
1267 | |
1437 | |
1268 | void inline_size |
1438 | void inline_size |
1269 | loop_fork (EV_P) |
1439 | loop_fork (EV_P) |
1270 | { |
1440 | { |
1271 | #if EV_USE_PORT |
1441 | #if EV_USE_PORT |
… | |
… | |
1311 | |
1481 | |
1312 | postfork = 0; |
1482 | postfork = 0; |
1313 | } |
1483 | } |
1314 | |
1484 | |
1315 | #if EV_MULTIPLICITY |
1485 | #if EV_MULTIPLICITY |
|
|
1486 | |
1316 | struct ev_loop * |
1487 | struct ev_loop * |
1317 | ev_loop_new (unsigned int flags) |
1488 | ev_loop_new (unsigned int flags) |
1318 | { |
1489 | { |
1319 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1490 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1320 | |
1491 | |
… | |
… | |
1339 | ev_loop_fork (EV_P) |
1510 | ev_loop_fork (EV_P) |
1340 | { |
1511 | { |
1341 | postfork = 1; /* must be in line with ev_default_fork */ |
1512 | postfork = 1; /* must be in line with ev_default_fork */ |
1342 | } |
1513 | } |
1343 | |
1514 | |
|
|
1515 | #if EV_VERIFY |
|
|
1516 | static void noinline |
|
|
1517 | verify_watcher (EV_P_ W w) |
|
|
1518 | { |
|
|
1519 | assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
|
|
1520 | |
|
|
1521 | if (w->pending) |
|
|
1522 | assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
|
|
1523 | } |
|
|
1524 | |
|
|
1525 | static void noinline |
|
|
1526 | verify_heap (EV_P_ ANHE *heap, int N) |
|
|
1527 | { |
|
|
1528 | int i; |
|
|
1529 | |
|
|
1530 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
1531 | { |
|
|
1532 | assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
1533 | assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
1534 | assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
1535 | |
|
|
1536 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
|
|
1537 | } |
|
|
1538 | } |
|
|
1539 | |
|
|
1540 | static void noinline |
|
|
1541 | array_verify (EV_P_ W *ws, int cnt) |
|
|
1542 | { |
|
|
1543 | while (cnt--) |
|
|
1544 | { |
|
|
1545 | assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
|
|
1546 | verify_watcher (EV_A_ ws [cnt]); |
|
|
1547 | } |
|
|
1548 | } |
|
|
1549 | #endif |
|
|
1550 | |
|
|
1551 | void |
|
|
1552 | ev_loop_verify (EV_P) |
|
|
1553 | { |
|
|
1554 | #if EV_VERIFY |
|
|
1555 | int i; |
|
|
1556 | WL w; |
|
|
1557 | |
|
|
1558 | assert (activecnt >= -1); |
|
|
1559 | |
|
|
1560 | assert (fdchangemax >= fdchangecnt); |
|
|
1561 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1562 | assert (("negative fd in fdchanges", fdchanges [i] >= 0)); |
|
|
1563 | |
|
|
1564 | assert (anfdmax >= 0); |
|
|
1565 | for (i = 0; i < anfdmax; ++i) |
|
|
1566 | for (w = anfds [i].head; w; w = w->next) |
|
|
1567 | { |
|
|
1568 | verify_watcher (EV_A_ (W)w); |
|
|
1569 | assert (("inactive fd watcher on anfd list", ev_active (w) == 1)); |
|
|
1570 | assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
|
|
1571 | } |
|
|
1572 | |
|
|
1573 | assert (timermax >= timercnt); |
|
|
1574 | verify_heap (EV_A_ timers, timercnt); |
|
|
1575 | |
|
|
1576 | #if EV_PERIODIC_ENABLE |
|
|
1577 | assert (periodicmax >= periodiccnt); |
|
|
1578 | verify_heap (EV_A_ periodics, periodiccnt); |
|
|
1579 | #endif |
|
|
1580 | |
|
|
1581 | for (i = NUMPRI; i--; ) |
|
|
1582 | { |
|
|
1583 | assert (pendingmax [i] >= pendingcnt [i]); |
|
|
1584 | #if EV_IDLE_ENABLE |
|
|
1585 | assert (idleall >= 0); |
|
|
1586 | assert (idlemax [i] >= idlecnt [i]); |
|
|
1587 | array_verify (EV_A_ (W *)idles [i], idlecnt [i]); |
|
|
1588 | #endif |
|
|
1589 | } |
|
|
1590 | |
|
|
1591 | #if EV_FORK_ENABLE |
|
|
1592 | assert (forkmax >= forkcnt); |
|
|
1593 | array_verify (EV_A_ (W *)forks, forkcnt); |
|
|
1594 | #endif |
|
|
1595 | |
|
|
1596 | #if EV_ASYNC_ENABLE |
|
|
1597 | assert (asyncmax >= asynccnt); |
|
|
1598 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
|
|
1599 | #endif |
|
|
1600 | |
|
|
1601 | assert (preparemax >= preparecnt); |
|
|
1602 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1603 | |
|
|
1604 | assert (checkmax >= checkcnt); |
|
|
1605 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1606 | |
|
|
1607 | # if 0 |
|
|
1608 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1609 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1344 | #endif |
1610 | # endif |
|
|
1611 | #endif |
|
|
1612 | } |
|
|
1613 | |
|
|
1614 | #endif /* multiplicity */ |
1345 | |
1615 | |
1346 | #if EV_MULTIPLICITY |
1616 | #if EV_MULTIPLICITY |
1347 | struct ev_loop * |
1617 | struct ev_loop * |
1348 | ev_default_loop_init (unsigned int flags) |
1618 | ev_default_loop_init (unsigned int flags) |
1349 | #else |
1619 | #else |
… | |
… | |
1425 | { |
1695 | { |
1426 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1696 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1427 | |
1697 | |
1428 | p->w->pending = 0; |
1698 | p->w->pending = 0; |
1429 | EV_CB_INVOKE (p->w, p->events); |
1699 | EV_CB_INVOKE (p->w, p->events); |
|
|
1700 | EV_FREQUENT_CHECK; |
1430 | } |
1701 | } |
1431 | } |
1702 | } |
1432 | } |
1703 | } |
1433 | |
|
|
1434 | void inline_size |
|
|
1435 | timers_reify (EV_P) |
|
|
1436 | { |
|
|
1437 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
|
|
1438 | { |
|
|
1439 | ev_timer *w = (ev_timer *)timers [0]; |
|
|
1440 | |
|
|
1441 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1442 | |
|
|
1443 | /* first reschedule or stop timer */ |
|
|
1444 | if (w->repeat) |
|
|
1445 | { |
|
|
1446 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1447 | |
|
|
1448 | ((WT)w)->at += w->repeat; |
|
|
1449 | if (((WT)w)->at < mn_now) |
|
|
1450 | ((WT)w)->at = mn_now; |
|
|
1451 | |
|
|
1452 | downheap (timers, timercnt, 0); |
|
|
1453 | } |
|
|
1454 | else |
|
|
1455 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1456 | |
|
|
1457 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1458 | } |
|
|
1459 | } |
|
|
1460 | |
|
|
1461 | #if EV_PERIODIC_ENABLE |
|
|
1462 | void inline_size |
|
|
1463 | periodics_reify (EV_P) |
|
|
1464 | { |
|
|
1465 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
|
|
1466 | { |
|
|
1467 | ev_periodic *w = (ev_periodic *)periodics [0]; |
|
|
1468 | |
|
|
1469 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1470 | |
|
|
1471 | /* first reschedule or stop timer */ |
|
|
1472 | if (w->reschedule_cb) |
|
|
1473 | { |
|
|
1474 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
|
|
1475 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1476 | downheap (periodics, periodiccnt, 0); |
|
|
1477 | } |
|
|
1478 | else if (w->interval) |
|
|
1479 | { |
|
|
1480 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1481 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
|
|
1482 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
|
|
1483 | downheap (periodics, periodiccnt, 0); |
|
|
1484 | } |
|
|
1485 | else |
|
|
1486 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1487 | |
|
|
1488 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1489 | } |
|
|
1490 | } |
|
|
1491 | |
|
|
1492 | static void noinline |
|
|
1493 | periodics_reschedule (EV_P) |
|
|
1494 | { |
|
|
1495 | int i; |
|
|
1496 | |
|
|
1497 | /* adjust periodics after time jump */ |
|
|
1498 | for (i = 0; i < periodiccnt; ++i) |
|
|
1499 | { |
|
|
1500 | ev_periodic *w = (ev_periodic *)periodics [i]; |
|
|
1501 | |
|
|
1502 | if (w->reschedule_cb) |
|
|
1503 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1504 | else if (w->interval) |
|
|
1505 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1506 | } |
|
|
1507 | |
|
|
1508 | /* now rebuild the heap */ |
|
|
1509 | for (i = periodiccnt >> 1; i--; ) |
|
|
1510 | downheap (periodics, periodiccnt, i); |
|
|
1511 | } |
|
|
1512 | #endif |
|
|
1513 | |
1704 | |
1514 | #if EV_IDLE_ENABLE |
1705 | #if EV_IDLE_ENABLE |
1515 | void inline_size |
1706 | void inline_size |
1516 | idle_reify (EV_P) |
1707 | idle_reify (EV_P) |
1517 | { |
1708 | { |
… | |
… | |
1529 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1720 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1530 | break; |
1721 | break; |
1531 | } |
1722 | } |
1532 | } |
1723 | } |
1533 | } |
1724 | } |
|
|
1725 | } |
|
|
1726 | #endif |
|
|
1727 | |
|
|
1728 | void inline_size |
|
|
1729 | timers_reify (EV_P) |
|
|
1730 | { |
|
|
1731 | EV_FREQUENT_CHECK; |
|
|
1732 | |
|
|
1733 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
|
|
1734 | { |
|
|
1735 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
1736 | |
|
|
1737 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1738 | |
|
|
1739 | /* first reschedule or stop timer */ |
|
|
1740 | if (w->repeat) |
|
|
1741 | { |
|
|
1742 | ev_at (w) += w->repeat; |
|
|
1743 | if (ev_at (w) < mn_now) |
|
|
1744 | ev_at (w) = mn_now; |
|
|
1745 | |
|
|
1746 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1747 | |
|
|
1748 | ANHE_at_cache (timers [HEAP0]); |
|
|
1749 | downheap (timers, timercnt, HEAP0); |
|
|
1750 | } |
|
|
1751 | else |
|
|
1752 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1753 | |
|
|
1754 | EV_FREQUENT_CHECK; |
|
|
1755 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1756 | } |
|
|
1757 | } |
|
|
1758 | |
|
|
1759 | #if EV_PERIODIC_ENABLE |
|
|
1760 | void inline_size |
|
|
1761 | periodics_reify (EV_P) |
|
|
1762 | { |
|
|
1763 | EV_FREQUENT_CHECK; |
|
|
1764 | |
|
|
1765 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
|
|
1766 | { |
|
|
1767 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
1768 | |
|
|
1769 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1770 | |
|
|
1771 | /* first reschedule or stop timer */ |
|
|
1772 | if (w->reschedule_cb) |
|
|
1773 | { |
|
|
1774 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1775 | |
|
|
1776 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
|
|
1777 | |
|
|
1778 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1779 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1780 | } |
|
|
1781 | else if (w->interval) |
|
|
1782 | { |
|
|
1783 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1784 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1785 | /* this might happen because of floating point inexactness */ |
|
|
1786 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1787 | { |
|
|
1788 | ev_at (w) += w->interval; |
|
|
1789 | |
|
|
1790 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1791 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1792 | /* has effectively asked to get triggered more often than possible */ |
|
|
1793 | if (ev_at (w) < ev_rt_now) |
|
|
1794 | ev_at (w) = ev_rt_now; |
|
|
1795 | } |
|
|
1796 | |
|
|
1797 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1798 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1799 | } |
|
|
1800 | else |
|
|
1801 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1802 | |
|
|
1803 | EV_FREQUENT_CHECK; |
|
|
1804 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1805 | } |
|
|
1806 | } |
|
|
1807 | |
|
|
1808 | static void noinline |
|
|
1809 | periodics_reschedule (EV_P) |
|
|
1810 | { |
|
|
1811 | int i; |
|
|
1812 | |
|
|
1813 | /* adjust periodics after time jump */ |
|
|
1814 | for (i = HEAP0; i < periodiccnt + HEAP0; ++i) |
|
|
1815 | { |
|
|
1816 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
|
|
1817 | |
|
|
1818 | if (w->reschedule_cb) |
|
|
1819 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1820 | else if (w->interval) |
|
|
1821 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1822 | |
|
|
1823 | ANHE_at_cache (periodics [i]); |
|
|
1824 | } |
|
|
1825 | |
|
|
1826 | reheap (periodics, periodiccnt); |
1534 | } |
1827 | } |
1535 | #endif |
1828 | #endif |
1536 | |
1829 | |
1537 | void inline_speed |
1830 | void inline_speed |
1538 | time_update (EV_P_ ev_tstamp max_block) |
1831 | time_update (EV_P_ ev_tstamp max_block) |
… | |
… | |
1567 | */ |
1860 | */ |
1568 | for (i = 4; --i; ) |
1861 | for (i = 4; --i; ) |
1569 | { |
1862 | { |
1570 | rtmn_diff = ev_rt_now - mn_now; |
1863 | rtmn_diff = ev_rt_now - mn_now; |
1571 | |
1864 | |
1572 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1865 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
1573 | return; /* all is well */ |
1866 | return; /* all is well */ |
1574 | |
1867 | |
1575 | ev_rt_now = ev_time (); |
1868 | ev_rt_now = ev_time (); |
1576 | mn_now = get_clock (); |
1869 | mn_now = get_clock (); |
1577 | now_floor = mn_now; |
1870 | now_floor = mn_now; |
… | |
… | |
1593 | #if EV_PERIODIC_ENABLE |
1886 | #if EV_PERIODIC_ENABLE |
1594 | periodics_reschedule (EV_A); |
1887 | periodics_reschedule (EV_A); |
1595 | #endif |
1888 | #endif |
1596 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1889 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1597 | for (i = 0; i < timercnt; ++i) |
1890 | for (i = 0; i < timercnt; ++i) |
|
|
1891 | { |
|
|
1892 | ANHE *he = timers + i + HEAP0; |
1598 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1893 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1894 | ANHE_at_cache (*he); |
|
|
1895 | } |
1599 | } |
1896 | } |
1600 | |
1897 | |
1601 | mn_now = ev_rt_now; |
1898 | mn_now = ev_rt_now; |
1602 | } |
1899 | } |
1603 | } |
1900 | } |
… | |
… | |
1612 | ev_unref (EV_P) |
1909 | ev_unref (EV_P) |
1613 | { |
1910 | { |
1614 | --activecnt; |
1911 | --activecnt; |
1615 | } |
1912 | } |
1616 | |
1913 | |
|
|
1914 | void |
|
|
1915 | ev_now_update (EV_P) |
|
|
1916 | { |
|
|
1917 | time_update (EV_A_ 1e100); |
|
|
1918 | } |
|
|
1919 | |
1617 | static int loop_done; |
1920 | static int loop_done; |
1618 | |
1921 | |
1619 | void |
1922 | void |
1620 | ev_loop (EV_P_ int flags) |
1923 | ev_loop (EV_P_ int flags) |
1621 | { |
1924 | { |
… | |
… | |
1623 | |
1926 | |
1624 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1927 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1625 | |
1928 | |
1626 | do |
1929 | do |
1627 | { |
1930 | { |
|
|
1931 | #if EV_VERIFY >= 2 |
|
|
1932 | ev_loop_verify (EV_A); |
|
|
1933 | #endif |
|
|
1934 | |
1628 | #ifndef _WIN32 |
1935 | #ifndef _WIN32 |
1629 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1936 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1630 | if (expect_false (getpid () != curpid)) |
1937 | if (expect_false (getpid () != curpid)) |
1631 | { |
1938 | { |
1632 | curpid = getpid (); |
1939 | curpid = getpid (); |
… | |
… | |
1673 | |
1980 | |
1674 | waittime = MAX_BLOCKTIME; |
1981 | waittime = MAX_BLOCKTIME; |
1675 | |
1982 | |
1676 | if (timercnt) |
1983 | if (timercnt) |
1677 | { |
1984 | { |
1678 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1985 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
1679 | if (waittime > to) waittime = to; |
1986 | if (waittime > to) waittime = to; |
1680 | } |
1987 | } |
1681 | |
1988 | |
1682 | #if EV_PERIODIC_ENABLE |
1989 | #if EV_PERIODIC_ENABLE |
1683 | if (periodiccnt) |
1990 | if (periodiccnt) |
1684 | { |
1991 | { |
1685 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1992 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1686 | if (waittime > to) waittime = to; |
1993 | if (waittime > to) waittime = to; |
1687 | } |
1994 | } |
1688 | #endif |
1995 | #endif |
1689 | |
1996 | |
1690 | if (expect_false (waittime < timeout_blocktime)) |
1997 | if (expect_false (waittime < timeout_blocktime)) |
… | |
… | |
1827 | if (expect_false (ev_is_active (w))) |
2134 | if (expect_false (ev_is_active (w))) |
1828 | return; |
2135 | return; |
1829 | |
2136 | |
1830 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2137 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1831 | |
2138 | |
|
|
2139 | EV_FREQUENT_CHECK; |
|
|
2140 | |
1832 | ev_start (EV_A_ (W)w, 1); |
2141 | ev_start (EV_A_ (W)w, 1); |
1833 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2142 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1834 | wlist_add (&anfds[fd].head, (WL)w); |
2143 | wlist_add (&anfds[fd].head, (WL)w); |
1835 | |
2144 | |
1836 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2145 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
1837 | w->events &= ~EV_IOFDSET; |
2146 | w->events &= ~EV_IOFDSET; |
|
|
2147 | |
|
|
2148 | EV_FREQUENT_CHECK; |
1838 | } |
2149 | } |
1839 | |
2150 | |
1840 | void noinline |
2151 | void noinline |
1841 | ev_io_stop (EV_P_ ev_io *w) |
2152 | ev_io_stop (EV_P_ ev_io *w) |
1842 | { |
2153 | { |
1843 | clear_pending (EV_A_ (W)w); |
2154 | clear_pending (EV_A_ (W)w); |
1844 | if (expect_false (!ev_is_active (w))) |
2155 | if (expect_false (!ev_is_active (w))) |
1845 | return; |
2156 | return; |
1846 | |
2157 | |
1847 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2158 | assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
2159 | |
|
|
2160 | EV_FREQUENT_CHECK; |
1848 | |
2161 | |
1849 | wlist_del (&anfds[w->fd].head, (WL)w); |
2162 | wlist_del (&anfds[w->fd].head, (WL)w); |
1850 | ev_stop (EV_A_ (W)w); |
2163 | ev_stop (EV_A_ (W)w); |
1851 | |
2164 | |
1852 | fd_change (EV_A_ w->fd, 1); |
2165 | fd_change (EV_A_ w->fd, 1); |
|
|
2166 | |
|
|
2167 | EV_FREQUENT_CHECK; |
1853 | } |
2168 | } |
1854 | |
2169 | |
1855 | void noinline |
2170 | void noinline |
1856 | ev_timer_start (EV_P_ ev_timer *w) |
2171 | ev_timer_start (EV_P_ ev_timer *w) |
1857 | { |
2172 | { |
1858 | if (expect_false (ev_is_active (w))) |
2173 | if (expect_false (ev_is_active (w))) |
1859 | return; |
2174 | return; |
1860 | |
2175 | |
1861 | ((WT)w)->at += mn_now; |
2176 | ev_at (w) += mn_now; |
1862 | |
2177 | |
1863 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2178 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1864 | |
2179 | |
|
|
2180 | EV_FREQUENT_CHECK; |
|
|
2181 | |
|
|
2182 | ++timercnt; |
1865 | ev_start (EV_A_ (W)w, ++timercnt); |
2183 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
1866 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
2184 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
1867 | timers [timercnt - 1] = (WT)w; |
2185 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
1868 | upheap (timers, timercnt - 1); |
2186 | ANHE_at_cache (timers [ev_active (w)]); |
|
|
2187 | upheap (timers, ev_active (w)); |
1869 | |
2188 | |
|
|
2189 | EV_FREQUENT_CHECK; |
|
|
2190 | |
1870 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
2191 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
1871 | } |
2192 | } |
1872 | |
2193 | |
1873 | void noinline |
2194 | void noinline |
1874 | ev_timer_stop (EV_P_ ev_timer *w) |
2195 | ev_timer_stop (EV_P_ ev_timer *w) |
1875 | { |
2196 | { |
1876 | clear_pending (EV_A_ (W)w); |
2197 | clear_pending (EV_A_ (W)w); |
1877 | if (expect_false (!ev_is_active (w))) |
2198 | if (expect_false (!ev_is_active (w))) |
1878 | return; |
2199 | return; |
1879 | |
2200 | |
1880 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
2201 | EV_FREQUENT_CHECK; |
1881 | |
2202 | |
1882 | { |
2203 | { |
1883 | int active = ((W)w)->active; |
2204 | int active = ev_active (w); |
1884 | |
2205 | |
|
|
2206 | assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
|
|
2207 | |
|
|
2208 | --timercnt; |
|
|
2209 | |
1885 | if (expect_true (--active < --timercnt)) |
2210 | if (expect_true (active < timercnt + HEAP0)) |
1886 | { |
2211 | { |
1887 | timers [active] = timers [timercnt]; |
2212 | timers [active] = timers [timercnt + HEAP0]; |
1888 | adjustheap (timers, timercnt, active); |
2213 | adjustheap (timers, timercnt, active); |
1889 | } |
2214 | } |
1890 | } |
2215 | } |
1891 | |
2216 | |
1892 | ((WT)w)->at -= mn_now; |
2217 | EV_FREQUENT_CHECK; |
|
|
2218 | |
|
|
2219 | ev_at (w) -= mn_now; |
1893 | |
2220 | |
1894 | ev_stop (EV_A_ (W)w); |
2221 | ev_stop (EV_A_ (W)w); |
1895 | } |
2222 | } |
1896 | |
2223 | |
1897 | void noinline |
2224 | void noinline |
1898 | ev_timer_again (EV_P_ ev_timer *w) |
2225 | ev_timer_again (EV_P_ ev_timer *w) |
1899 | { |
2226 | { |
|
|
2227 | EV_FREQUENT_CHECK; |
|
|
2228 | |
1900 | if (ev_is_active (w)) |
2229 | if (ev_is_active (w)) |
1901 | { |
2230 | { |
1902 | if (w->repeat) |
2231 | if (w->repeat) |
1903 | { |
2232 | { |
1904 | ((WT)w)->at = mn_now + w->repeat; |
2233 | ev_at (w) = mn_now + w->repeat; |
|
|
2234 | ANHE_at_cache (timers [ev_active (w)]); |
1905 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
2235 | adjustheap (timers, timercnt, ev_active (w)); |
1906 | } |
2236 | } |
1907 | else |
2237 | else |
1908 | ev_timer_stop (EV_A_ w); |
2238 | ev_timer_stop (EV_A_ w); |
1909 | } |
2239 | } |
1910 | else if (w->repeat) |
2240 | else if (w->repeat) |
1911 | { |
2241 | { |
1912 | w->at = w->repeat; |
2242 | ev_at (w) = w->repeat; |
1913 | ev_timer_start (EV_A_ w); |
2243 | ev_timer_start (EV_A_ w); |
1914 | } |
2244 | } |
|
|
2245 | |
|
|
2246 | EV_FREQUENT_CHECK; |
1915 | } |
2247 | } |
1916 | |
2248 | |
1917 | #if EV_PERIODIC_ENABLE |
2249 | #if EV_PERIODIC_ENABLE |
1918 | void noinline |
2250 | void noinline |
1919 | ev_periodic_start (EV_P_ ev_periodic *w) |
2251 | ev_periodic_start (EV_P_ ev_periodic *w) |
1920 | { |
2252 | { |
1921 | if (expect_false (ev_is_active (w))) |
2253 | if (expect_false (ev_is_active (w))) |
1922 | return; |
2254 | return; |
1923 | |
2255 | |
1924 | if (w->reschedule_cb) |
2256 | if (w->reschedule_cb) |
1925 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
2257 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1926 | else if (w->interval) |
2258 | else if (w->interval) |
1927 | { |
2259 | { |
1928 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2260 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1929 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2261 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1930 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2262 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1931 | } |
2263 | } |
1932 | else |
2264 | else |
1933 | ((WT)w)->at = w->offset; |
2265 | ev_at (w) = w->offset; |
1934 | |
2266 | |
|
|
2267 | EV_FREQUENT_CHECK; |
|
|
2268 | |
|
|
2269 | ++periodiccnt; |
1935 | ev_start (EV_A_ (W)w, ++periodiccnt); |
2270 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
1936 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
2271 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
1937 | periodics [periodiccnt - 1] = (WT)w; |
2272 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
1938 | upheap (periodics, periodiccnt - 1); |
2273 | ANHE_at_cache (periodics [ev_active (w)]); |
|
|
2274 | upheap (periodics, ev_active (w)); |
1939 | |
2275 | |
|
|
2276 | EV_FREQUENT_CHECK; |
|
|
2277 | |
1940 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
2278 | /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
1941 | } |
2279 | } |
1942 | |
2280 | |
1943 | void noinline |
2281 | void noinline |
1944 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2282 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1945 | { |
2283 | { |
1946 | clear_pending (EV_A_ (W)w); |
2284 | clear_pending (EV_A_ (W)w); |
1947 | if (expect_false (!ev_is_active (w))) |
2285 | if (expect_false (!ev_is_active (w))) |
1948 | return; |
2286 | return; |
1949 | |
2287 | |
1950 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
2288 | EV_FREQUENT_CHECK; |
1951 | |
2289 | |
1952 | { |
2290 | { |
1953 | int active = ((W)w)->active; |
2291 | int active = ev_active (w); |
1954 | |
2292 | |
|
|
2293 | assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
|
|
2294 | |
|
|
2295 | --periodiccnt; |
|
|
2296 | |
1955 | if (expect_true (--active < --periodiccnt)) |
2297 | if (expect_true (active < periodiccnt + HEAP0)) |
1956 | { |
2298 | { |
1957 | periodics [active] = periodics [periodiccnt]; |
2299 | periodics [active] = periodics [periodiccnt + HEAP0]; |
1958 | adjustheap (periodics, periodiccnt, active); |
2300 | adjustheap (periodics, periodiccnt, active); |
1959 | } |
2301 | } |
1960 | } |
2302 | } |
1961 | |
2303 | |
|
|
2304 | EV_FREQUENT_CHECK; |
|
|
2305 | |
1962 | ev_stop (EV_A_ (W)w); |
2306 | ev_stop (EV_A_ (W)w); |
1963 | } |
2307 | } |
1964 | |
2308 | |
1965 | void noinline |
2309 | void noinline |
1966 | ev_periodic_again (EV_P_ ev_periodic *w) |
2310 | ev_periodic_again (EV_P_ ev_periodic *w) |
… | |
… | |
1985 | return; |
2329 | return; |
1986 | |
2330 | |
1987 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2331 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1988 | |
2332 | |
1989 | evpipe_init (EV_A); |
2333 | evpipe_init (EV_A); |
|
|
2334 | |
|
|
2335 | EV_FREQUENT_CHECK; |
1990 | |
2336 | |
1991 | { |
2337 | { |
1992 | #ifndef _WIN32 |
2338 | #ifndef _WIN32 |
1993 | sigset_t full, prev; |
2339 | sigset_t full, prev; |
1994 | sigfillset (&full); |
2340 | sigfillset (&full); |
… | |
… | |
2015 | sigfillset (&sa.sa_mask); |
2361 | sigfillset (&sa.sa_mask); |
2016 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2362 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2017 | sigaction (w->signum, &sa, 0); |
2363 | sigaction (w->signum, &sa, 0); |
2018 | #endif |
2364 | #endif |
2019 | } |
2365 | } |
|
|
2366 | |
|
|
2367 | EV_FREQUENT_CHECK; |
2020 | } |
2368 | } |
2021 | |
2369 | |
2022 | void noinline |
2370 | void noinline |
2023 | ev_signal_stop (EV_P_ ev_signal *w) |
2371 | ev_signal_stop (EV_P_ ev_signal *w) |
2024 | { |
2372 | { |
2025 | clear_pending (EV_A_ (W)w); |
2373 | clear_pending (EV_A_ (W)w); |
2026 | if (expect_false (!ev_is_active (w))) |
2374 | if (expect_false (!ev_is_active (w))) |
2027 | return; |
2375 | return; |
2028 | |
2376 | |
|
|
2377 | EV_FREQUENT_CHECK; |
|
|
2378 | |
2029 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2379 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2030 | ev_stop (EV_A_ (W)w); |
2380 | ev_stop (EV_A_ (W)w); |
2031 | |
2381 | |
2032 | if (!signals [w->signum - 1].head) |
2382 | if (!signals [w->signum - 1].head) |
2033 | signal (w->signum, SIG_DFL); |
2383 | signal (w->signum, SIG_DFL); |
|
|
2384 | |
|
|
2385 | EV_FREQUENT_CHECK; |
2034 | } |
2386 | } |
2035 | |
2387 | |
2036 | void |
2388 | void |
2037 | ev_child_start (EV_P_ ev_child *w) |
2389 | ev_child_start (EV_P_ ev_child *w) |
2038 | { |
2390 | { |
… | |
… | |
2040 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2392 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2041 | #endif |
2393 | #endif |
2042 | if (expect_false (ev_is_active (w))) |
2394 | if (expect_false (ev_is_active (w))) |
2043 | return; |
2395 | return; |
2044 | |
2396 | |
|
|
2397 | EV_FREQUENT_CHECK; |
|
|
2398 | |
2045 | ev_start (EV_A_ (W)w, 1); |
2399 | ev_start (EV_A_ (W)w, 1); |
2046 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2400 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
|
|
2401 | |
|
|
2402 | EV_FREQUENT_CHECK; |
2047 | } |
2403 | } |
2048 | |
2404 | |
2049 | void |
2405 | void |
2050 | ev_child_stop (EV_P_ ev_child *w) |
2406 | ev_child_stop (EV_P_ ev_child *w) |
2051 | { |
2407 | { |
2052 | clear_pending (EV_A_ (W)w); |
2408 | clear_pending (EV_A_ (W)w); |
2053 | if (expect_false (!ev_is_active (w))) |
2409 | if (expect_false (!ev_is_active (w))) |
2054 | return; |
2410 | return; |
2055 | |
2411 | |
|
|
2412 | EV_FREQUENT_CHECK; |
|
|
2413 | |
2056 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2414 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2057 | ev_stop (EV_A_ (W)w); |
2415 | ev_stop (EV_A_ (W)w); |
|
|
2416 | |
|
|
2417 | EV_FREQUENT_CHECK; |
2058 | } |
2418 | } |
2059 | |
2419 | |
2060 | #if EV_STAT_ENABLE |
2420 | #if EV_STAT_ENABLE |
2061 | |
2421 | |
2062 | # ifdef _WIN32 |
2422 | # ifdef _WIN32 |
… | |
… | |
2080 | if (w->wd < 0) |
2440 | if (w->wd < 0) |
2081 | { |
2441 | { |
2082 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2442 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2083 | |
2443 | |
2084 | /* monitor some parent directory for speedup hints */ |
2444 | /* monitor some parent directory for speedup hints */ |
|
|
2445 | /* note that exceeding the hardcoded limit is not a correctness issue, */ |
|
|
2446 | /* but an efficiency issue only */ |
2085 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2447 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2086 | { |
2448 | { |
2087 | char path [4096]; |
2449 | char path [4096]; |
2088 | strcpy (path, w->path); |
2450 | strcpy (path, w->path); |
2089 | |
2451 | |
… | |
… | |
2215 | } |
2577 | } |
2216 | |
2578 | |
2217 | } |
2579 | } |
2218 | } |
2580 | } |
2219 | |
2581 | |
|
|
2582 | #endif |
|
|
2583 | |
|
|
2584 | #ifdef _WIN32 |
|
|
2585 | # define EV_LSTAT(p,b) _stati64 (p, b) |
|
|
2586 | #else |
|
|
2587 | # define EV_LSTAT(p,b) lstat (p, b) |
2220 | #endif |
2588 | #endif |
2221 | |
2589 | |
2222 | void |
2590 | void |
2223 | ev_stat_stat (EV_P_ ev_stat *w) |
2591 | ev_stat_stat (EV_P_ ev_stat *w) |
2224 | { |
2592 | { |
… | |
… | |
2288 | else |
2656 | else |
2289 | #endif |
2657 | #endif |
2290 | ev_timer_start (EV_A_ &w->timer); |
2658 | ev_timer_start (EV_A_ &w->timer); |
2291 | |
2659 | |
2292 | ev_start (EV_A_ (W)w, 1); |
2660 | ev_start (EV_A_ (W)w, 1); |
|
|
2661 | |
|
|
2662 | EV_FREQUENT_CHECK; |
2293 | } |
2663 | } |
2294 | |
2664 | |
2295 | void |
2665 | void |
2296 | ev_stat_stop (EV_P_ ev_stat *w) |
2666 | ev_stat_stop (EV_P_ ev_stat *w) |
2297 | { |
2667 | { |
2298 | clear_pending (EV_A_ (W)w); |
2668 | clear_pending (EV_A_ (W)w); |
2299 | if (expect_false (!ev_is_active (w))) |
2669 | if (expect_false (!ev_is_active (w))) |
2300 | return; |
2670 | return; |
2301 | |
2671 | |
|
|
2672 | EV_FREQUENT_CHECK; |
|
|
2673 | |
2302 | #if EV_USE_INOTIFY |
2674 | #if EV_USE_INOTIFY |
2303 | infy_del (EV_A_ w); |
2675 | infy_del (EV_A_ w); |
2304 | #endif |
2676 | #endif |
2305 | ev_timer_stop (EV_A_ &w->timer); |
2677 | ev_timer_stop (EV_A_ &w->timer); |
2306 | |
2678 | |
2307 | ev_stop (EV_A_ (W)w); |
2679 | ev_stop (EV_A_ (W)w); |
|
|
2680 | |
|
|
2681 | EV_FREQUENT_CHECK; |
2308 | } |
2682 | } |
2309 | #endif |
2683 | #endif |
2310 | |
2684 | |
2311 | #if EV_IDLE_ENABLE |
2685 | #if EV_IDLE_ENABLE |
2312 | void |
2686 | void |
… | |
… | |
2314 | { |
2688 | { |
2315 | if (expect_false (ev_is_active (w))) |
2689 | if (expect_false (ev_is_active (w))) |
2316 | return; |
2690 | return; |
2317 | |
2691 | |
2318 | pri_adjust (EV_A_ (W)w); |
2692 | pri_adjust (EV_A_ (W)w); |
|
|
2693 | |
|
|
2694 | EV_FREQUENT_CHECK; |
2319 | |
2695 | |
2320 | { |
2696 | { |
2321 | int active = ++idlecnt [ABSPRI (w)]; |
2697 | int active = ++idlecnt [ABSPRI (w)]; |
2322 | |
2698 | |
2323 | ++idleall; |
2699 | ++idleall; |
2324 | ev_start (EV_A_ (W)w, active); |
2700 | ev_start (EV_A_ (W)w, active); |
2325 | |
2701 | |
2326 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2702 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2327 | idles [ABSPRI (w)][active - 1] = w; |
2703 | idles [ABSPRI (w)][active - 1] = w; |
2328 | } |
2704 | } |
|
|
2705 | |
|
|
2706 | EV_FREQUENT_CHECK; |
2329 | } |
2707 | } |
2330 | |
2708 | |
2331 | void |
2709 | void |
2332 | ev_idle_stop (EV_P_ ev_idle *w) |
2710 | ev_idle_stop (EV_P_ ev_idle *w) |
2333 | { |
2711 | { |
2334 | clear_pending (EV_A_ (W)w); |
2712 | clear_pending (EV_A_ (W)w); |
2335 | if (expect_false (!ev_is_active (w))) |
2713 | if (expect_false (!ev_is_active (w))) |
2336 | return; |
2714 | return; |
2337 | |
2715 | |
|
|
2716 | EV_FREQUENT_CHECK; |
|
|
2717 | |
2338 | { |
2718 | { |
2339 | int active = ((W)w)->active; |
2719 | int active = ev_active (w); |
2340 | |
2720 | |
2341 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2721 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2342 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
2722 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2343 | |
2723 | |
2344 | ev_stop (EV_A_ (W)w); |
2724 | ev_stop (EV_A_ (W)w); |
2345 | --idleall; |
2725 | --idleall; |
2346 | } |
2726 | } |
|
|
2727 | |
|
|
2728 | EV_FREQUENT_CHECK; |
2347 | } |
2729 | } |
2348 | #endif |
2730 | #endif |
2349 | |
2731 | |
2350 | void |
2732 | void |
2351 | ev_prepare_start (EV_P_ ev_prepare *w) |
2733 | ev_prepare_start (EV_P_ ev_prepare *w) |
2352 | { |
2734 | { |
2353 | if (expect_false (ev_is_active (w))) |
2735 | if (expect_false (ev_is_active (w))) |
2354 | return; |
2736 | return; |
|
|
2737 | |
|
|
2738 | EV_FREQUENT_CHECK; |
2355 | |
2739 | |
2356 | ev_start (EV_A_ (W)w, ++preparecnt); |
2740 | ev_start (EV_A_ (W)w, ++preparecnt); |
2357 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2741 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2358 | prepares [preparecnt - 1] = w; |
2742 | prepares [preparecnt - 1] = w; |
|
|
2743 | |
|
|
2744 | EV_FREQUENT_CHECK; |
2359 | } |
2745 | } |
2360 | |
2746 | |
2361 | void |
2747 | void |
2362 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2748 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2363 | { |
2749 | { |
2364 | clear_pending (EV_A_ (W)w); |
2750 | clear_pending (EV_A_ (W)w); |
2365 | if (expect_false (!ev_is_active (w))) |
2751 | if (expect_false (!ev_is_active (w))) |
2366 | return; |
2752 | return; |
2367 | |
2753 | |
|
|
2754 | EV_FREQUENT_CHECK; |
|
|
2755 | |
2368 | { |
2756 | { |
2369 | int active = ((W)w)->active; |
2757 | int active = ev_active (w); |
|
|
2758 | |
2370 | prepares [active - 1] = prepares [--preparecnt]; |
2759 | prepares [active - 1] = prepares [--preparecnt]; |
2371 | ((W)prepares [active - 1])->active = active; |
2760 | ev_active (prepares [active - 1]) = active; |
2372 | } |
2761 | } |
2373 | |
2762 | |
2374 | ev_stop (EV_A_ (W)w); |
2763 | ev_stop (EV_A_ (W)w); |
|
|
2764 | |
|
|
2765 | EV_FREQUENT_CHECK; |
2375 | } |
2766 | } |
2376 | |
2767 | |
2377 | void |
2768 | void |
2378 | ev_check_start (EV_P_ ev_check *w) |
2769 | ev_check_start (EV_P_ ev_check *w) |
2379 | { |
2770 | { |
2380 | if (expect_false (ev_is_active (w))) |
2771 | if (expect_false (ev_is_active (w))) |
2381 | return; |
2772 | return; |
|
|
2773 | |
|
|
2774 | EV_FREQUENT_CHECK; |
2382 | |
2775 | |
2383 | ev_start (EV_A_ (W)w, ++checkcnt); |
2776 | ev_start (EV_A_ (W)w, ++checkcnt); |
2384 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2777 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2385 | checks [checkcnt - 1] = w; |
2778 | checks [checkcnt - 1] = w; |
|
|
2779 | |
|
|
2780 | EV_FREQUENT_CHECK; |
2386 | } |
2781 | } |
2387 | |
2782 | |
2388 | void |
2783 | void |
2389 | ev_check_stop (EV_P_ ev_check *w) |
2784 | ev_check_stop (EV_P_ ev_check *w) |
2390 | { |
2785 | { |
2391 | clear_pending (EV_A_ (W)w); |
2786 | clear_pending (EV_A_ (W)w); |
2392 | if (expect_false (!ev_is_active (w))) |
2787 | if (expect_false (!ev_is_active (w))) |
2393 | return; |
2788 | return; |
2394 | |
2789 | |
|
|
2790 | EV_FREQUENT_CHECK; |
|
|
2791 | |
2395 | { |
2792 | { |
2396 | int active = ((W)w)->active; |
2793 | int active = ev_active (w); |
|
|
2794 | |
2397 | checks [active - 1] = checks [--checkcnt]; |
2795 | checks [active - 1] = checks [--checkcnt]; |
2398 | ((W)checks [active - 1])->active = active; |
2796 | ev_active (checks [active - 1]) = active; |
2399 | } |
2797 | } |
2400 | |
2798 | |
2401 | ev_stop (EV_A_ (W)w); |
2799 | ev_stop (EV_A_ (W)w); |
|
|
2800 | |
|
|
2801 | EV_FREQUENT_CHECK; |
2402 | } |
2802 | } |
2403 | |
2803 | |
2404 | #if EV_EMBED_ENABLE |
2804 | #if EV_EMBED_ENABLE |
2405 | void noinline |
2805 | void noinline |
2406 | ev_embed_sweep (EV_P_ ev_embed *w) |
2806 | ev_embed_sweep (EV_P_ ev_embed *w) |
… | |
… | |
2433 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2833 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2434 | } |
2834 | } |
2435 | } |
2835 | } |
2436 | } |
2836 | } |
2437 | |
2837 | |
|
|
2838 | static void |
|
|
2839 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
|
|
2840 | { |
|
|
2841 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
|
|
2842 | |
|
|
2843 | { |
|
|
2844 | struct ev_loop *loop = w->other; |
|
|
2845 | |
|
|
2846 | ev_loop_fork (EV_A); |
|
|
2847 | } |
|
|
2848 | } |
|
|
2849 | |
2438 | #if 0 |
2850 | #if 0 |
2439 | static void |
2851 | static void |
2440 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2852 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2441 | { |
2853 | { |
2442 | ev_idle_stop (EV_A_ idle); |
2854 | ev_idle_stop (EV_A_ idle); |
… | |
… | |
2453 | struct ev_loop *loop = w->other; |
2865 | struct ev_loop *loop = w->other; |
2454 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2866 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2455 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2867 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2456 | } |
2868 | } |
2457 | |
2869 | |
|
|
2870 | EV_FREQUENT_CHECK; |
|
|
2871 | |
2458 | ev_set_priority (&w->io, ev_priority (w)); |
2872 | ev_set_priority (&w->io, ev_priority (w)); |
2459 | ev_io_start (EV_A_ &w->io); |
2873 | ev_io_start (EV_A_ &w->io); |
2460 | |
2874 | |
2461 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2875 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2462 | ev_set_priority (&w->prepare, EV_MINPRI); |
2876 | ev_set_priority (&w->prepare, EV_MINPRI); |
2463 | ev_prepare_start (EV_A_ &w->prepare); |
2877 | ev_prepare_start (EV_A_ &w->prepare); |
2464 | |
2878 | |
|
|
2879 | ev_fork_init (&w->fork, embed_fork_cb); |
|
|
2880 | ev_fork_start (EV_A_ &w->fork); |
|
|
2881 | |
2465 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2882 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2466 | |
2883 | |
2467 | ev_start (EV_A_ (W)w, 1); |
2884 | ev_start (EV_A_ (W)w, 1); |
|
|
2885 | |
|
|
2886 | EV_FREQUENT_CHECK; |
2468 | } |
2887 | } |
2469 | |
2888 | |
2470 | void |
2889 | void |
2471 | ev_embed_stop (EV_P_ ev_embed *w) |
2890 | ev_embed_stop (EV_P_ ev_embed *w) |
2472 | { |
2891 | { |
2473 | clear_pending (EV_A_ (W)w); |
2892 | clear_pending (EV_A_ (W)w); |
2474 | if (expect_false (!ev_is_active (w))) |
2893 | if (expect_false (!ev_is_active (w))) |
2475 | return; |
2894 | return; |
2476 | |
2895 | |
|
|
2896 | EV_FREQUENT_CHECK; |
|
|
2897 | |
2477 | ev_io_stop (EV_A_ &w->io); |
2898 | ev_io_stop (EV_A_ &w->io); |
2478 | ev_prepare_stop (EV_A_ &w->prepare); |
2899 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
2900 | ev_fork_stop (EV_A_ &w->fork); |
2479 | |
2901 | |
2480 | ev_stop (EV_A_ (W)w); |
2902 | EV_FREQUENT_CHECK; |
2481 | } |
2903 | } |
2482 | #endif |
2904 | #endif |
2483 | |
2905 | |
2484 | #if EV_FORK_ENABLE |
2906 | #if EV_FORK_ENABLE |
2485 | void |
2907 | void |
2486 | ev_fork_start (EV_P_ ev_fork *w) |
2908 | ev_fork_start (EV_P_ ev_fork *w) |
2487 | { |
2909 | { |
2488 | if (expect_false (ev_is_active (w))) |
2910 | if (expect_false (ev_is_active (w))) |
2489 | return; |
2911 | return; |
|
|
2912 | |
|
|
2913 | EV_FREQUENT_CHECK; |
2490 | |
2914 | |
2491 | ev_start (EV_A_ (W)w, ++forkcnt); |
2915 | ev_start (EV_A_ (W)w, ++forkcnt); |
2492 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2916 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2493 | forks [forkcnt - 1] = w; |
2917 | forks [forkcnt - 1] = w; |
|
|
2918 | |
|
|
2919 | EV_FREQUENT_CHECK; |
2494 | } |
2920 | } |
2495 | |
2921 | |
2496 | void |
2922 | void |
2497 | ev_fork_stop (EV_P_ ev_fork *w) |
2923 | ev_fork_stop (EV_P_ ev_fork *w) |
2498 | { |
2924 | { |
2499 | clear_pending (EV_A_ (W)w); |
2925 | clear_pending (EV_A_ (W)w); |
2500 | if (expect_false (!ev_is_active (w))) |
2926 | if (expect_false (!ev_is_active (w))) |
2501 | return; |
2927 | return; |
2502 | |
2928 | |
|
|
2929 | EV_FREQUENT_CHECK; |
|
|
2930 | |
2503 | { |
2931 | { |
2504 | int active = ((W)w)->active; |
2932 | int active = ev_active (w); |
|
|
2933 | |
2505 | forks [active - 1] = forks [--forkcnt]; |
2934 | forks [active - 1] = forks [--forkcnt]; |
2506 | ((W)forks [active - 1])->active = active; |
2935 | ev_active (forks [active - 1]) = active; |
2507 | } |
2936 | } |
2508 | |
2937 | |
2509 | ev_stop (EV_A_ (W)w); |
2938 | ev_stop (EV_A_ (W)w); |
|
|
2939 | |
|
|
2940 | EV_FREQUENT_CHECK; |
2510 | } |
2941 | } |
2511 | #endif |
2942 | #endif |
2512 | |
2943 | |
2513 | #if EV_ASYNC_ENABLE |
2944 | #if EV_ASYNC_ENABLE |
2514 | void |
2945 | void |
… | |
… | |
2516 | { |
2947 | { |
2517 | if (expect_false (ev_is_active (w))) |
2948 | if (expect_false (ev_is_active (w))) |
2518 | return; |
2949 | return; |
2519 | |
2950 | |
2520 | evpipe_init (EV_A); |
2951 | evpipe_init (EV_A); |
|
|
2952 | |
|
|
2953 | EV_FREQUENT_CHECK; |
2521 | |
2954 | |
2522 | ev_start (EV_A_ (W)w, ++asynccnt); |
2955 | ev_start (EV_A_ (W)w, ++asynccnt); |
2523 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
2956 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
2524 | asyncs [asynccnt - 1] = w; |
2957 | asyncs [asynccnt - 1] = w; |
|
|
2958 | |
|
|
2959 | EV_FREQUENT_CHECK; |
2525 | } |
2960 | } |
2526 | |
2961 | |
2527 | void |
2962 | void |
2528 | ev_async_stop (EV_P_ ev_async *w) |
2963 | ev_async_stop (EV_P_ ev_async *w) |
2529 | { |
2964 | { |
2530 | clear_pending (EV_A_ (W)w); |
2965 | clear_pending (EV_A_ (W)w); |
2531 | if (expect_false (!ev_is_active (w))) |
2966 | if (expect_false (!ev_is_active (w))) |
2532 | return; |
2967 | return; |
2533 | |
2968 | |
|
|
2969 | EV_FREQUENT_CHECK; |
|
|
2970 | |
2534 | { |
2971 | { |
2535 | int active = ((W)w)->active; |
2972 | int active = ev_active (w); |
|
|
2973 | |
2536 | asyncs [active - 1] = asyncs [--asynccnt]; |
2974 | asyncs [active - 1] = asyncs [--asynccnt]; |
2537 | ((W)asyncs [active - 1])->active = active; |
2975 | ev_active (asyncs [active - 1]) = active; |
2538 | } |
2976 | } |
2539 | |
2977 | |
2540 | ev_stop (EV_A_ (W)w); |
2978 | ev_stop (EV_A_ (W)w); |
|
|
2979 | |
|
|
2980 | EV_FREQUENT_CHECK; |
2541 | } |
2981 | } |
2542 | |
2982 | |
2543 | void |
2983 | void |
2544 | ev_async_send (EV_P_ ev_async *w) |
2984 | ev_async_send (EV_P_ ev_async *w) |
2545 | { |
2985 | { |
… | |
… | |
2562 | once_cb (EV_P_ struct ev_once *once, int revents) |
3002 | once_cb (EV_P_ struct ev_once *once, int revents) |
2563 | { |
3003 | { |
2564 | void (*cb)(int revents, void *arg) = once->cb; |
3004 | void (*cb)(int revents, void *arg) = once->cb; |
2565 | void *arg = once->arg; |
3005 | void *arg = once->arg; |
2566 | |
3006 | |
2567 | ev_io_stop (EV_A_ &once->io); |
3007 | ev_io_stop (EV_A_ &once->io); |
2568 | ev_timer_stop (EV_A_ &once->to); |
3008 | ev_timer_stop (EV_A_ &once->to); |
2569 | ev_free (once); |
3009 | ev_free (once); |
2570 | |
3010 | |
2571 | cb (revents, arg); |
3011 | cb (revents, arg); |
2572 | } |
3012 | } |