… | |
… | |
39 | |
39 | |
40 | #ifdef __cplusplus |
40 | #ifdef __cplusplus |
41 | extern "C" { |
41 | extern "C" { |
42 | #endif |
42 | #endif |
43 | |
43 | |
|
|
44 | /* this big block deduces configuration from config.h */ |
44 | #ifndef EV_STANDALONE |
45 | #ifndef EV_STANDALONE |
45 | # ifdef EV_CONFIG_H |
46 | # ifdef EV_CONFIG_H |
46 | # include EV_CONFIG_H |
47 | # include EV_CONFIG_H |
47 | # else |
48 | # else |
48 | # include "config.h" |
49 | # include "config.h" |
… | |
… | |
118 | # else |
119 | # else |
119 | # define EV_USE_INOTIFY 0 |
120 | # define EV_USE_INOTIFY 0 |
120 | # endif |
121 | # endif |
121 | # endif |
122 | # endif |
122 | |
123 | |
|
|
124 | # ifndef EV_USE_EVENTFD |
|
|
125 | # if HAVE_EVENTFD |
|
|
126 | # define EV_USE_EVENTFD 1 |
|
|
127 | # else |
|
|
128 | # define EV_USE_EVENTFD 0 |
|
|
129 | # endif |
|
|
130 | # endif |
|
|
131 | |
123 | #endif |
132 | #endif |
124 | |
133 | |
125 | #include <math.h> |
134 | #include <math.h> |
126 | #include <stdlib.h> |
135 | #include <stdlib.h> |
127 | #include <fcntl.h> |
136 | #include <fcntl.h> |
… | |
… | |
152 | # ifndef EV_SELECT_IS_WINSOCKET |
161 | # ifndef EV_SELECT_IS_WINSOCKET |
153 | # define EV_SELECT_IS_WINSOCKET 1 |
162 | # define EV_SELECT_IS_WINSOCKET 1 |
154 | # endif |
163 | # endif |
155 | #endif |
164 | #endif |
156 | |
165 | |
157 | /**/ |
166 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
158 | |
167 | |
159 | #ifndef EV_USE_MONOTONIC |
168 | #ifndef EV_USE_MONOTONIC |
160 | # define EV_USE_MONOTONIC 0 |
169 | # define EV_USE_MONOTONIC 0 |
161 | #endif |
170 | #endif |
162 | |
171 | |
… | |
… | |
179 | # define EV_USE_POLL 1 |
188 | # define EV_USE_POLL 1 |
180 | # endif |
189 | # endif |
181 | #endif |
190 | #endif |
182 | |
191 | |
183 | #ifndef EV_USE_EPOLL |
192 | #ifndef EV_USE_EPOLL |
|
|
193 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
|
|
194 | # define EV_USE_EPOLL 1 |
|
|
195 | # else |
184 | # define EV_USE_EPOLL 0 |
196 | # define EV_USE_EPOLL 0 |
|
|
197 | # endif |
185 | #endif |
198 | #endif |
186 | |
199 | |
187 | #ifndef EV_USE_KQUEUE |
200 | #ifndef EV_USE_KQUEUE |
188 | # define EV_USE_KQUEUE 0 |
201 | # define EV_USE_KQUEUE 0 |
189 | #endif |
202 | #endif |
… | |
… | |
191 | #ifndef EV_USE_PORT |
204 | #ifndef EV_USE_PORT |
192 | # define EV_USE_PORT 0 |
205 | # define EV_USE_PORT 0 |
193 | #endif |
206 | #endif |
194 | |
207 | |
195 | #ifndef EV_USE_INOTIFY |
208 | #ifndef EV_USE_INOTIFY |
|
|
209 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
|
|
210 | # define EV_USE_INOTIFY 1 |
|
|
211 | # else |
196 | # define EV_USE_INOTIFY 0 |
212 | # define EV_USE_INOTIFY 0 |
|
|
213 | # endif |
197 | #endif |
214 | #endif |
198 | |
215 | |
199 | #ifndef EV_PID_HASHSIZE |
216 | #ifndef EV_PID_HASHSIZE |
200 | # if EV_MINIMAL |
217 | # if EV_MINIMAL |
201 | # define EV_PID_HASHSIZE 1 |
218 | # define EV_PID_HASHSIZE 1 |
… | |
… | |
210 | # else |
227 | # else |
211 | # define EV_INOTIFY_HASHSIZE 16 |
228 | # define EV_INOTIFY_HASHSIZE 16 |
212 | # endif |
229 | # endif |
213 | #endif |
230 | #endif |
214 | |
231 | |
215 | /**/ |
232 | #ifndef EV_USE_EVENTFD |
|
|
233 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
|
|
234 | # define EV_USE_EVENTFD 1 |
|
|
235 | # else |
|
|
236 | # define EV_USE_EVENTFD 0 |
|
|
237 | # endif |
|
|
238 | #endif |
|
|
239 | |
|
|
240 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
216 | |
241 | |
217 | #ifndef CLOCK_MONOTONIC |
242 | #ifndef CLOCK_MONOTONIC |
218 | # undef EV_USE_MONOTONIC |
243 | # undef EV_USE_MONOTONIC |
219 | # define EV_USE_MONOTONIC 0 |
244 | # define EV_USE_MONOTONIC 0 |
220 | #endif |
245 | #endif |
… | |
… | |
239 | # include <sys/inotify.h> |
264 | # include <sys/inotify.h> |
240 | #endif |
265 | #endif |
241 | |
266 | |
242 | #if EV_SELECT_IS_WINSOCKET |
267 | #if EV_SELECT_IS_WINSOCKET |
243 | # include <winsock.h> |
268 | # include <winsock.h> |
|
|
269 | #endif |
|
|
270 | |
|
|
271 | #if EV_USE_EVENTFD |
|
|
272 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
273 | # include <stdint.h> |
|
|
274 | # ifdef __cplusplus |
|
|
275 | extern "C" { |
|
|
276 | # endif |
|
|
277 | int eventfd (unsigned int initval, int flags); |
|
|
278 | # ifdef __cplusplus |
|
|
279 | } |
|
|
280 | # endif |
244 | #endif |
281 | #endif |
245 | |
282 | |
246 | /**/ |
283 | /**/ |
247 | |
284 | |
248 | /* |
285 | /* |
… | |
… | |
263 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
300 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
264 | # define noinline __attribute__ ((noinline)) |
301 | # define noinline __attribute__ ((noinline)) |
265 | #else |
302 | #else |
266 | # define expect(expr,value) (expr) |
303 | # define expect(expr,value) (expr) |
267 | # define noinline |
304 | # define noinline |
268 | # if __STDC_VERSION__ < 199901L |
305 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
269 | # define inline |
306 | # define inline |
270 | # endif |
307 | # endif |
271 | #endif |
308 | #endif |
272 | |
309 | |
273 | #define expect_false(expr) expect ((expr) != 0, 0) |
310 | #define expect_false(expr) expect ((expr) != 0, 0) |
… | |
… | |
288 | |
325 | |
289 | typedef ev_watcher *W; |
326 | typedef ev_watcher *W; |
290 | typedef ev_watcher_list *WL; |
327 | typedef ev_watcher_list *WL; |
291 | typedef ev_watcher_time *WT; |
328 | typedef ev_watcher_time *WT; |
292 | |
329 | |
|
|
330 | #define ev_active(w) ((W)(w))->active |
|
|
331 | #define ev_at(w) ((WT)(w))->at |
|
|
332 | |
293 | #if EV_USE_MONOTONIC |
333 | #if EV_USE_MONOTONIC |
294 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
334 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
295 | /* giving it a reasonably high chance of working on typical architetcures */ |
335 | /* giving it a reasonably high chance of working on typical architetcures */ |
296 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
336 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
297 | #endif |
337 | #endif |
… | |
… | |
323 | perror (msg); |
363 | perror (msg); |
324 | abort (); |
364 | abort (); |
325 | } |
365 | } |
326 | } |
366 | } |
327 | |
367 | |
|
|
368 | static void * |
|
|
369 | ev_realloc_emul (void *ptr, long size) |
|
|
370 | { |
|
|
371 | /* some systems, notably openbsd and darwin, fail to properly |
|
|
372 | * implement realloc (x, 0) (as required by both ansi c-98 and |
|
|
373 | * the single unix specification, so work around them here. |
|
|
374 | */ |
|
|
375 | |
|
|
376 | if (size) |
|
|
377 | return realloc (ptr, size); |
|
|
378 | |
|
|
379 | free (ptr); |
|
|
380 | return 0; |
|
|
381 | } |
|
|
382 | |
328 | static void *(*alloc)(void *ptr, long size); |
383 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
329 | |
384 | |
330 | void |
385 | void |
331 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
386 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
332 | { |
387 | { |
333 | alloc = cb; |
388 | alloc = cb; |
334 | } |
389 | } |
335 | |
390 | |
336 | inline_speed void * |
391 | inline_speed void * |
337 | ev_realloc (void *ptr, long size) |
392 | ev_realloc (void *ptr, long size) |
338 | { |
393 | { |
339 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
394 | ptr = alloc (ptr, size); |
340 | |
395 | |
341 | if (!ptr && size) |
396 | if (!ptr && size) |
342 | { |
397 | { |
343 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
398 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
344 | abort (); |
399 | abort (); |
… | |
… | |
451 | ts.tv_sec = (time_t)delay; |
506 | ts.tv_sec = (time_t)delay; |
452 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
507 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
453 | |
508 | |
454 | nanosleep (&ts, 0); |
509 | nanosleep (&ts, 0); |
455 | #elif defined(_WIN32) |
510 | #elif defined(_WIN32) |
456 | Sleep (delay * 1e3); |
511 | Sleep ((unsigned long)(delay * 1e3)); |
457 | #else |
512 | #else |
458 | struct timeval tv; |
513 | struct timeval tv; |
459 | |
514 | |
460 | tv.tv_sec = (time_t)delay; |
515 | tv.tv_sec = (time_t)delay; |
461 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
516 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
… | |
… | |
464 | #endif |
519 | #endif |
465 | } |
520 | } |
466 | } |
521 | } |
467 | |
522 | |
468 | /*****************************************************************************/ |
523 | /*****************************************************************************/ |
|
|
524 | |
|
|
525 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
469 | |
526 | |
470 | int inline_size |
527 | int inline_size |
471 | array_nextsize (int elem, int cur, int cnt) |
528 | array_nextsize (int elem, int cur, int cnt) |
472 | { |
529 | { |
473 | int ncur = cur + 1; |
530 | int ncur = cur + 1; |
474 | |
531 | |
475 | do |
532 | do |
476 | ncur <<= 1; |
533 | ncur <<= 1; |
477 | while (cnt > ncur); |
534 | while (cnt > ncur); |
478 | |
535 | |
479 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
536 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
480 | if (elem * ncur > 4096) |
537 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
481 | { |
538 | { |
482 | ncur *= elem; |
539 | ncur *= elem; |
483 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
540 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
484 | ncur = ncur - sizeof (void *) * 4; |
541 | ncur = ncur - sizeof (void *) * 4; |
485 | ncur /= elem; |
542 | ncur /= elem; |
486 | } |
543 | } |
487 | |
544 | |
488 | return ncur; |
545 | return ncur; |
… | |
… | |
702 | } |
759 | } |
703 | } |
760 | } |
704 | |
761 | |
705 | /*****************************************************************************/ |
762 | /*****************************************************************************/ |
706 | |
763 | |
|
|
764 | /* |
|
|
765 | * at the moment we allow libev the luxury of two heaps, |
|
|
766 | * a small-code-size 2-heap one and a ~1.5kb larger 4-heap |
|
|
767 | * which is more cache-efficient. |
|
|
768 | * the difference is about 5% with 50000+ watchers. |
|
|
769 | */ |
|
|
770 | #define USE_4HEAP !EV_MINIMAL |
|
|
771 | #if USE_4HEAP |
|
|
772 | |
|
|
773 | #define DHEAP 4 |
|
|
774 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
|
|
775 | |
|
|
776 | /* towards the root */ |
707 | void inline_speed |
777 | void inline_speed |
708 | upheap (WT *heap, int k) |
778 | upheap (WT *heap, int k) |
709 | { |
779 | { |
710 | WT w = heap [k]; |
780 | WT w = heap [k]; |
|
|
781 | ev_tstamp w_at = w->at; |
711 | |
782 | |
712 | while (k) |
783 | for (;;) |
713 | { |
784 | { |
714 | int p = (k - 1) >> 1; |
785 | int p = ((k - HEAP0 - 1) / DHEAP) + HEAP0; |
715 | |
786 | |
716 | if (heap [p]->at <= w->at) |
787 | if (p == k || heap [p]->at <= w_at) |
717 | break; |
788 | break; |
718 | |
789 | |
719 | heap [k] = heap [p]; |
790 | heap [k] = heap [p]; |
720 | ((W)heap [k])->active = k + 1; |
791 | ev_active (heap [k]) = k; |
721 | k = p; |
792 | k = p; |
722 | } |
793 | } |
723 | |
794 | |
724 | heap [k] = w; |
795 | heap [k] = w; |
725 | ((W)heap [k])->active = k + 1; |
796 | ev_active (heap [k]) = k; |
726 | } |
797 | } |
727 | |
798 | |
|
|
799 | /* away from the root */ |
728 | void inline_speed |
800 | void inline_speed |
729 | downheap (WT *heap, int N, int k) |
801 | downheap (WT *heap, int N, int k) |
730 | { |
802 | { |
731 | WT w = heap [k]; |
803 | WT w = heap [k]; |
|
|
804 | WT *E = heap + N + HEAP0; |
732 | |
805 | |
733 | for (;;) |
806 | for (;;) |
734 | { |
807 | { |
|
|
808 | ev_tstamp minat; |
|
|
809 | WT *minpos; |
|
|
810 | WT *pos = heap + DHEAP * (k - HEAP0) + HEAP0; |
|
|
811 | |
|
|
812 | // find minimum child |
|
|
813 | if (expect_true (pos + DHEAP - 1 < E)) |
|
|
814 | { |
|
|
815 | /* fast path */ (minpos = pos + 0), (minat = (*minpos)->at); |
|
|
816 | if (pos [1]->at < minat) (minpos = pos + 1), (minat = (*minpos)->at); |
|
|
817 | if (pos [2]->at < minat) (minpos = pos + 2), (minat = (*minpos)->at); |
|
|
818 | if (pos [3]->at < minat) (minpos = pos + 3), (minat = (*minpos)->at); |
|
|
819 | } |
|
|
820 | else if (pos < E) |
|
|
821 | { |
|
|
822 | /* slow path */ (minpos = pos + 0), (minat = (*minpos)->at); |
|
|
823 | if (pos + 1 < E && pos [1]->at < minat) (minpos = pos + 1), (minat = (*minpos)->at); |
|
|
824 | if (pos + 2 < E && pos [2]->at < minat) (minpos = pos + 2), (minat = (*minpos)->at); |
|
|
825 | if (pos + 3 < E && pos [3]->at < minat) (minpos = pos + 3), (minat = (*minpos)->at); |
|
|
826 | } |
|
|
827 | else |
|
|
828 | break; |
|
|
829 | |
|
|
830 | if (w->at <= minat) |
|
|
831 | break; |
|
|
832 | |
|
|
833 | ev_active (*minpos) = k; |
|
|
834 | heap [k] = *minpos; |
|
|
835 | |
|
|
836 | k = minpos - heap; |
|
|
837 | } |
|
|
838 | |
|
|
839 | heap [k] = w; |
|
|
840 | ev_active (heap [k]) = k; |
|
|
841 | } |
|
|
842 | |
|
|
843 | #else // 4HEAP |
|
|
844 | |
|
|
845 | #define HEAP0 1 |
|
|
846 | |
|
|
847 | /* towards the root */ |
|
|
848 | void inline_speed |
|
|
849 | upheap (WT *heap, int k) |
|
|
850 | { |
|
|
851 | WT w = heap [k]; |
|
|
852 | |
|
|
853 | for (;;) |
|
|
854 | { |
|
|
855 | int p = k >> 1; |
|
|
856 | |
|
|
857 | /* maybe we could use a dummy element at heap [0]? */ |
|
|
858 | if (!p || heap [p]->at <= w->at) |
|
|
859 | break; |
|
|
860 | |
|
|
861 | heap [k] = heap [p]; |
|
|
862 | ev_active (heap [k]) = k; |
|
|
863 | k = p; |
|
|
864 | } |
|
|
865 | |
|
|
866 | heap [k] = w; |
|
|
867 | ev_active (heap [k]) = k; |
|
|
868 | } |
|
|
869 | |
|
|
870 | /* away from the root */ |
|
|
871 | void inline_speed |
|
|
872 | downheap (WT *heap, int N, int k) |
|
|
873 | { |
|
|
874 | WT w = heap [k]; |
|
|
875 | |
|
|
876 | for (;;) |
|
|
877 | { |
735 | int c = (k << 1) + 1; |
878 | int c = k << 1; |
736 | |
879 | |
737 | if (c >= N) |
880 | if (c > N) |
738 | break; |
881 | break; |
739 | |
882 | |
740 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
883 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
741 | ? 1 : 0; |
884 | ? 1 : 0; |
742 | |
885 | |
743 | if (w->at <= heap [c]->at) |
886 | if (w->at <= heap [c]->at) |
744 | break; |
887 | break; |
745 | |
888 | |
746 | heap [k] = heap [c]; |
889 | heap [k] = heap [c]; |
747 | ((W)heap [k])->active = k + 1; |
890 | ((W)heap [k])->active = k; |
748 | |
891 | |
749 | k = c; |
892 | k = c; |
750 | } |
893 | } |
751 | |
894 | |
752 | heap [k] = w; |
895 | heap [k] = w; |
753 | ((W)heap [k])->active = k + 1; |
896 | ev_active (heap [k]) = k; |
754 | } |
897 | } |
|
|
898 | #endif |
755 | |
899 | |
756 | void inline_size |
900 | void inline_size |
757 | adjustheap (WT *heap, int N, int k) |
901 | adjustheap (WT *heap, int N, int k) |
758 | { |
902 | { |
759 | upheap (heap, k); |
903 | upheap (heap, k); |
… | |
… | |
802 | static void noinline |
946 | static void noinline |
803 | evpipe_init (EV_P) |
947 | evpipe_init (EV_P) |
804 | { |
948 | { |
805 | if (!ev_is_active (&pipeev)) |
949 | if (!ev_is_active (&pipeev)) |
806 | { |
950 | { |
|
|
951 | #if EV_USE_EVENTFD |
|
|
952 | if ((evfd = eventfd (0, 0)) >= 0) |
|
|
953 | { |
|
|
954 | evpipe [0] = -1; |
|
|
955 | fd_intern (evfd); |
|
|
956 | ev_io_set (&pipeev, evfd, EV_READ); |
|
|
957 | } |
|
|
958 | else |
|
|
959 | #endif |
|
|
960 | { |
807 | while (pipe (evpipe)) |
961 | while (pipe (evpipe)) |
808 | syserr ("(libev) error creating signal/async pipe"); |
962 | syserr ("(libev) error creating signal/async pipe"); |
809 | |
963 | |
810 | fd_intern (evpipe [0]); |
964 | fd_intern (evpipe [0]); |
811 | fd_intern (evpipe [1]); |
965 | fd_intern (evpipe [1]); |
812 | |
|
|
813 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
966 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
|
|
967 | } |
|
|
968 | |
814 | ev_io_start (EV_A_ &pipeev); |
969 | ev_io_start (EV_A_ &pipeev); |
815 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
970 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
816 | } |
971 | } |
817 | } |
972 | } |
818 | |
973 | |
819 | void inline_size |
974 | void inline_size |
820 | evpipe_write (EV_P_ int sig, int async) |
975 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
821 | { |
976 | { |
822 | if (!(gotasync || gotsig)) |
977 | if (!*flag) |
823 | { |
978 | { |
824 | int old_errno = errno; |
979 | int old_errno = errno; /* save errno because write might clobber it */ |
825 | |
980 | |
826 | if (sig) gotsig = 1; |
981 | *flag = 1; |
827 | if (async) gotasync = 1; |
|
|
828 | |
982 | |
|
|
983 | #if EV_USE_EVENTFD |
|
|
984 | if (evfd >= 0) |
|
|
985 | { |
|
|
986 | uint64_t counter = 1; |
|
|
987 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
988 | } |
|
|
989 | else |
|
|
990 | #endif |
829 | write (evpipe [1], &old_errno, 1); |
991 | write (evpipe [1], &old_errno, 1); |
|
|
992 | |
830 | errno = old_errno; |
993 | errno = old_errno; |
831 | } |
994 | } |
832 | } |
995 | } |
833 | |
996 | |
834 | static void |
997 | static void |
835 | pipecb (EV_P_ ev_io *iow, int revents) |
998 | pipecb (EV_P_ ev_io *iow, int revents) |
836 | { |
999 | { |
|
|
1000 | #if EV_USE_EVENTFD |
|
|
1001 | if (evfd >= 0) |
837 | { |
1002 | { |
838 | int dummy; |
1003 | uint64_t counter; |
|
|
1004 | read (evfd, &counter, sizeof (uint64_t)); |
|
|
1005 | } |
|
|
1006 | else |
|
|
1007 | #endif |
|
|
1008 | { |
|
|
1009 | char dummy; |
839 | read (evpipe [0], &dummy, 1); |
1010 | read (evpipe [0], &dummy, 1); |
840 | } |
1011 | } |
841 | |
1012 | |
842 | if (gotsig) |
1013 | if (gotsig && ev_is_default_loop (EV_A)) |
843 | { |
1014 | { |
844 | int signum; |
1015 | int signum; |
845 | gotsig = 0; |
1016 | gotsig = 0; |
846 | |
1017 | |
847 | for (signum = signalmax; signum--; ) |
1018 | for (signum = signalmax; signum--; ) |
… | |
… | |
866 | } |
1037 | } |
867 | |
1038 | |
868 | /*****************************************************************************/ |
1039 | /*****************************************************************************/ |
869 | |
1040 | |
870 | static void |
1041 | static void |
871 | sighandler (int signum) |
1042 | ev_sighandler (int signum) |
872 | { |
1043 | { |
873 | #if EV_MULTIPLICITY |
1044 | #if EV_MULTIPLICITY |
874 | struct ev_loop *loop = &default_loop_struct; |
1045 | struct ev_loop *loop = &default_loop_struct; |
875 | #endif |
1046 | #endif |
876 | |
1047 | |
877 | #if _WIN32 |
1048 | #if _WIN32 |
878 | signal (signum, sighandler); |
1049 | signal (signum, ev_sighandler); |
879 | #endif |
1050 | #endif |
880 | |
1051 | |
881 | signals [signum - 1].gotsig = 1; |
1052 | signals [signum - 1].gotsig = 1; |
882 | evpipe_write (EV_A_ 1, 0); |
1053 | evpipe_write (EV_A_ &gotsig); |
883 | } |
1054 | } |
884 | |
1055 | |
885 | void noinline |
1056 | void noinline |
886 | ev_feed_signal_event (EV_P_ int signum) |
1057 | ev_feed_signal_event (EV_P_ int signum) |
887 | { |
1058 | { |
… | |
… | |
913 | #ifndef WIFCONTINUED |
1084 | #ifndef WIFCONTINUED |
914 | # define WIFCONTINUED(status) 0 |
1085 | # define WIFCONTINUED(status) 0 |
915 | #endif |
1086 | #endif |
916 | |
1087 | |
917 | void inline_speed |
1088 | void inline_speed |
918 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
1089 | child_reap (EV_P_ int chain, int pid, int status) |
919 | { |
1090 | { |
920 | ev_child *w; |
1091 | ev_child *w; |
921 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1092 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
922 | |
1093 | |
923 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1094 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
924 | { |
1095 | { |
925 | if ((w->pid == pid || !w->pid) |
1096 | if ((w->pid == pid || !w->pid) |
926 | && (!traced || (w->flags & 1))) |
1097 | && (!traced || (w->flags & 1))) |
927 | { |
1098 | { |
928 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
1099 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
929 | w->rpid = pid; |
1100 | w->rpid = pid; |
930 | w->rstatus = status; |
1101 | w->rstatus = status; |
931 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
1102 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
932 | } |
1103 | } |
933 | } |
1104 | } |
… | |
… | |
947 | if (!WCONTINUED |
1118 | if (!WCONTINUED |
948 | || errno != EINVAL |
1119 | || errno != EINVAL |
949 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
1120 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
950 | return; |
1121 | return; |
951 | |
1122 | |
952 | /* make sure we are called again until all childs have been reaped */ |
1123 | /* make sure we are called again until all children have been reaped */ |
953 | /* we need to do it this way so that the callback gets called before we continue */ |
1124 | /* we need to do it this way so that the callback gets called before we continue */ |
954 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1125 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
955 | |
1126 | |
956 | child_reap (EV_A_ sw, pid, pid, status); |
1127 | child_reap (EV_A_ pid, pid, status); |
957 | if (EV_PID_HASHSIZE > 1) |
1128 | if (EV_PID_HASHSIZE > 1) |
958 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1129 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
959 | } |
1130 | } |
960 | |
1131 | |
961 | #endif |
1132 | #endif |
962 | |
1133 | |
963 | /*****************************************************************************/ |
1134 | /*****************************************************************************/ |
… | |
… | |
1106 | if (!(flags & EVFLAG_NOENV) |
1277 | if (!(flags & EVFLAG_NOENV) |
1107 | && !enable_secure () |
1278 | && !enable_secure () |
1108 | && getenv ("LIBEV_FLAGS")) |
1279 | && getenv ("LIBEV_FLAGS")) |
1109 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1280 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1110 | |
1281 | |
1111 | if (!(flags & 0x0000ffffUL)) |
1282 | if (!(flags & 0x0000ffffU)) |
1112 | flags |= ev_recommended_backends (); |
1283 | flags |= ev_recommended_backends (); |
1113 | |
1284 | |
1114 | #if EV_USE_PORT |
1285 | #if EV_USE_PORT |
1115 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1286 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1116 | #endif |
1287 | #endif |
… | |
… | |
1140 | if (ev_is_active (&pipeev)) |
1311 | if (ev_is_active (&pipeev)) |
1141 | { |
1312 | { |
1142 | ev_ref (EV_A); /* signal watcher */ |
1313 | ev_ref (EV_A); /* signal watcher */ |
1143 | ev_io_stop (EV_A_ &pipeev); |
1314 | ev_io_stop (EV_A_ &pipeev); |
1144 | |
1315 | |
1145 | close (evpipe [0]); evpipe [0] = 0; |
1316 | #if EV_USE_EVENTFD |
1146 | close (evpipe [1]); evpipe [1] = 0; |
1317 | if (evfd >= 0) |
|
|
1318 | close (evfd); |
|
|
1319 | #endif |
|
|
1320 | |
|
|
1321 | if (evpipe [0] >= 0) |
|
|
1322 | { |
|
|
1323 | close (evpipe [0]); |
|
|
1324 | close (evpipe [1]); |
|
|
1325 | } |
1147 | } |
1326 | } |
1148 | |
1327 | |
1149 | #if EV_USE_INOTIFY |
1328 | #if EV_USE_INOTIFY |
1150 | if (fs_fd >= 0) |
1329 | if (fs_fd >= 0) |
1151 | close (fs_fd); |
1330 | close (fs_fd); |
… | |
… | |
1196 | #endif |
1375 | #endif |
1197 | |
1376 | |
1198 | backend = 0; |
1377 | backend = 0; |
1199 | } |
1378 | } |
1200 | |
1379 | |
|
|
1380 | #if EV_USE_INOTIFY |
1201 | void inline_size infy_fork (EV_P); |
1381 | void inline_size infy_fork (EV_P); |
|
|
1382 | #endif |
1202 | |
1383 | |
1203 | void inline_size |
1384 | void inline_size |
1204 | loop_fork (EV_P) |
1385 | loop_fork (EV_P) |
1205 | { |
1386 | { |
1206 | #if EV_USE_PORT |
1387 | #if EV_USE_PORT |
… | |
… | |
1217 | #endif |
1398 | #endif |
1218 | |
1399 | |
1219 | if (ev_is_active (&pipeev)) |
1400 | if (ev_is_active (&pipeev)) |
1220 | { |
1401 | { |
1221 | /* this "locks" the handlers against writing to the pipe */ |
1402 | /* this "locks" the handlers against writing to the pipe */ |
|
|
1403 | /* while we modify the fd vars */ |
|
|
1404 | gotsig = 1; |
|
|
1405 | #if EV_ASYNC_ENABLE |
1222 | gotsig = gotasync = 1; |
1406 | gotasync = 1; |
|
|
1407 | #endif |
1223 | |
1408 | |
1224 | ev_ref (EV_A); |
1409 | ev_ref (EV_A); |
1225 | ev_io_stop (EV_A_ &pipeev); |
1410 | ev_io_stop (EV_A_ &pipeev); |
|
|
1411 | |
|
|
1412 | #if EV_USE_EVENTFD |
|
|
1413 | if (evfd >= 0) |
|
|
1414 | close (evfd); |
|
|
1415 | #endif |
|
|
1416 | |
|
|
1417 | if (evpipe [0] >= 0) |
|
|
1418 | { |
1226 | close (evpipe [0]); |
1419 | close (evpipe [0]); |
1227 | close (evpipe [1]); |
1420 | close (evpipe [1]); |
|
|
1421 | } |
1228 | |
1422 | |
1229 | evpipe_init (EV_A); |
1423 | evpipe_init (EV_A); |
1230 | /* now iterate over everything, in case we missed something */ |
1424 | /* now iterate over everything, in case we missed something */ |
1231 | pipecb (EV_A_ &pipeev, EV_READ); |
1425 | pipecb (EV_A_ &pipeev, EV_READ); |
1232 | } |
1426 | } |
… | |
… | |
1260 | void |
1454 | void |
1261 | ev_loop_fork (EV_P) |
1455 | ev_loop_fork (EV_P) |
1262 | { |
1456 | { |
1263 | postfork = 1; /* must be in line with ev_default_fork */ |
1457 | postfork = 1; /* must be in line with ev_default_fork */ |
1264 | } |
1458 | } |
1265 | |
|
|
1266 | #endif |
1459 | #endif |
1267 | |
1460 | |
1268 | #if EV_MULTIPLICITY |
1461 | #if EV_MULTIPLICITY |
1269 | struct ev_loop * |
1462 | struct ev_loop * |
1270 | ev_default_loop_init (unsigned int flags) |
1463 | ev_default_loop_init (unsigned int flags) |
… | |
… | |
1351 | EV_CB_INVOKE (p->w, p->events); |
1544 | EV_CB_INVOKE (p->w, p->events); |
1352 | } |
1545 | } |
1353 | } |
1546 | } |
1354 | } |
1547 | } |
1355 | |
1548 | |
1356 | void inline_size |
|
|
1357 | timers_reify (EV_P) |
|
|
1358 | { |
|
|
1359 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
|
|
1360 | { |
|
|
1361 | ev_timer *w = (ev_timer *)timers [0]; |
|
|
1362 | |
|
|
1363 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1364 | |
|
|
1365 | /* first reschedule or stop timer */ |
|
|
1366 | if (w->repeat) |
|
|
1367 | { |
|
|
1368 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1369 | |
|
|
1370 | ((WT)w)->at += w->repeat; |
|
|
1371 | if (((WT)w)->at < mn_now) |
|
|
1372 | ((WT)w)->at = mn_now; |
|
|
1373 | |
|
|
1374 | downheap (timers, timercnt, 0); |
|
|
1375 | } |
|
|
1376 | else |
|
|
1377 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1378 | |
|
|
1379 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1380 | } |
|
|
1381 | } |
|
|
1382 | |
|
|
1383 | #if EV_PERIODIC_ENABLE |
|
|
1384 | void inline_size |
|
|
1385 | periodics_reify (EV_P) |
|
|
1386 | { |
|
|
1387 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
|
|
1388 | { |
|
|
1389 | ev_periodic *w = (ev_periodic *)periodics [0]; |
|
|
1390 | |
|
|
1391 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1392 | |
|
|
1393 | /* first reschedule or stop timer */ |
|
|
1394 | if (w->reschedule_cb) |
|
|
1395 | { |
|
|
1396 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
|
|
1397 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1398 | downheap (periodics, periodiccnt, 0); |
|
|
1399 | } |
|
|
1400 | else if (w->interval) |
|
|
1401 | { |
|
|
1402 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1403 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
|
|
1404 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
|
|
1405 | downheap (periodics, periodiccnt, 0); |
|
|
1406 | } |
|
|
1407 | else |
|
|
1408 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1409 | |
|
|
1410 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1411 | } |
|
|
1412 | } |
|
|
1413 | |
|
|
1414 | static void noinline |
|
|
1415 | periodics_reschedule (EV_P) |
|
|
1416 | { |
|
|
1417 | int i; |
|
|
1418 | |
|
|
1419 | /* adjust periodics after time jump */ |
|
|
1420 | for (i = 0; i < periodiccnt; ++i) |
|
|
1421 | { |
|
|
1422 | ev_periodic *w = (ev_periodic *)periodics [i]; |
|
|
1423 | |
|
|
1424 | if (w->reschedule_cb) |
|
|
1425 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1426 | else if (w->interval) |
|
|
1427 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1428 | } |
|
|
1429 | |
|
|
1430 | /* now rebuild the heap */ |
|
|
1431 | for (i = periodiccnt >> 1; i--; ) |
|
|
1432 | downheap (periodics, periodiccnt, i); |
|
|
1433 | } |
|
|
1434 | #endif |
|
|
1435 | |
|
|
1436 | #if EV_IDLE_ENABLE |
1549 | #if EV_IDLE_ENABLE |
1437 | void inline_size |
1550 | void inline_size |
1438 | idle_reify (EV_P) |
1551 | idle_reify (EV_P) |
1439 | { |
1552 | { |
1440 | if (expect_false (idleall)) |
1553 | if (expect_false (idleall)) |
… | |
… | |
1451 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1564 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1452 | break; |
1565 | break; |
1453 | } |
1566 | } |
1454 | } |
1567 | } |
1455 | } |
1568 | } |
|
|
1569 | } |
|
|
1570 | #endif |
|
|
1571 | |
|
|
1572 | void inline_size |
|
|
1573 | timers_reify (EV_P) |
|
|
1574 | { |
|
|
1575 | while (timercnt && ev_at (timers [HEAP0]) <= mn_now) |
|
|
1576 | { |
|
|
1577 | ev_timer *w = (ev_timer *)timers [HEAP0]; |
|
|
1578 | |
|
|
1579 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1580 | |
|
|
1581 | /* first reschedule or stop timer */ |
|
|
1582 | if (w->repeat) |
|
|
1583 | { |
|
|
1584 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1585 | |
|
|
1586 | ev_at (w) += w->repeat; |
|
|
1587 | if (ev_at (w) < mn_now) |
|
|
1588 | ev_at (w) = mn_now; |
|
|
1589 | |
|
|
1590 | downheap (timers, timercnt, HEAP0); |
|
|
1591 | } |
|
|
1592 | else |
|
|
1593 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1594 | |
|
|
1595 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1596 | } |
|
|
1597 | } |
|
|
1598 | |
|
|
1599 | #if EV_PERIODIC_ENABLE |
|
|
1600 | void inline_size |
|
|
1601 | periodics_reify (EV_P) |
|
|
1602 | { |
|
|
1603 | while (periodiccnt && ev_at (periodics [HEAP0]) <= ev_rt_now) |
|
|
1604 | { |
|
|
1605 | ev_periodic *w = (ev_periodic *)periodics [HEAP0]; |
|
|
1606 | |
|
|
1607 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1608 | |
|
|
1609 | /* first reschedule or stop timer */ |
|
|
1610 | if (w->reschedule_cb) |
|
|
1611 | { |
|
|
1612 | ev_at (w) = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
|
|
1613 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) > ev_rt_now)); |
|
|
1614 | downheap (periodics, periodiccnt, 1); |
|
|
1615 | } |
|
|
1616 | else if (w->interval) |
|
|
1617 | { |
|
|
1618 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1619 | if (ev_at (w) - ev_rt_now <= TIME_EPSILON) ev_at (w) += w->interval; |
|
|
1620 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ev_at (w) > ev_rt_now)); |
|
|
1621 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1622 | } |
|
|
1623 | else |
|
|
1624 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1625 | |
|
|
1626 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1627 | } |
|
|
1628 | } |
|
|
1629 | |
|
|
1630 | static void noinline |
|
|
1631 | periodics_reschedule (EV_P) |
|
|
1632 | { |
|
|
1633 | int i; |
|
|
1634 | |
|
|
1635 | /* adjust periodics after time jump */ |
|
|
1636 | for (i = 1; i <= periodiccnt; ++i) |
|
|
1637 | { |
|
|
1638 | ev_periodic *w = (ev_periodic *)periodics [i]; |
|
|
1639 | |
|
|
1640 | if (w->reschedule_cb) |
|
|
1641 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1642 | else if (w->interval) |
|
|
1643 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1644 | } |
|
|
1645 | |
|
|
1646 | /* now rebuild the heap */ |
|
|
1647 | for (i = periodiccnt >> 1; --i; ) |
|
|
1648 | downheap (periodics, periodiccnt, i + HEAP0); |
1456 | } |
1649 | } |
1457 | #endif |
1650 | #endif |
1458 | |
1651 | |
1459 | void inline_speed |
1652 | void inline_speed |
1460 | time_update (EV_P_ ev_tstamp max_block) |
1653 | time_update (EV_P_ ev_tstamp max_block) |
… | |
… | |
1489 | */ |
1682 | */ |
1490 | for (i = 4; --i; ) |
1683 | for (i = 4; --i; ) |
1491 | { |
1684 | { |
1492 | rtmn_diff = ev_rt_now - mn_now; |
1685 | rtmn_diff = ev_rt_now - mn_now; |
1493 | |
1686 | |
1494 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1687 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
1495 | return; /* all is well */ |
1688 | return; /* all is well */ |
1496 | |
1689 | |
1497 | ev_rt_now = ev_time (); |
1690 | ev_rt_now = ev_time (); |
1498 | mn_now = get_clock (); |
1691 | mn_now = get_clock (); |
1499 | now_floor = mn_now; |
1692 | now_floor = mn_now; |
… | |
… | |
1514 | { |
1707 | { |
1515 | #if EV_PERIODIC_ENABLE |
1708 | #if EV_PERIODIC_ENABLE |
1516 | periodics_reschedule (EV_A); |
1709 | periodics_reschedule (EV_A); |
1517 | #endif |
1710 | #endif |
1518 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1711 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1519 | for (i = 0; i < timercnt; ++i) |
1712 | for (i = 1; i <= timercnt; ++i) |
1520 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1713 | ev_at (timers [i]) += ev_rt_now - mn_now; |
1521 | } |
1714 | } |
1522 | |
1715 | |
1523 | mn_now = ev_rt_now; |
1716 | mn_now = ev_rt_now; |
1524 | } |
1717 | } |
1525 | } |
1718 | } |
… | |
… | |
1539 | static int loop_done; |
1732 | static int loop_done; |
1540 | |
1733 | |
1541 | void |
1734 | void |
1542 | ev_loop (EV_P_ int flags) |
1735 | ev_loop (EV_P_ int flags) |
1543 | { |
1736 | { |
1544 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1737 | loop_done = EVUNLOOP_CANCEL; |
1545 | ? EVUNLOOP_ONE |
|
|
1546 | : EVUNLOOP_CANCEL; |
|
|
1547 | |
1738 | |
1548 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1739 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1549 | |
1740 | |
1550 | do |
1741 | do |
1551 | { |
1742 | { |
… | |
… | |
1597 | |
1788 | |
1598 | waittime = MAX_BLOCKTIME; |
1789 | waittime = MAX_BLOCKTIME; |
1599 | |
1790 | |
1600 | if (timercnt) |
1791 | if (timercnt) |
1601 | { |
1792 | { |
1602 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1793 | ev_tstamp to = ev_at (timers [HEAP0]) - mn_now + backend_fudge; |
1603 | if (waittime > to) waittime = to; |
1794 | if (waittime > to) waittime = to; |
1604 | } |
1795 | } |
1605 | |
1796 | |
1606 | #if EV_PERIODIC_ENABLE |
1797 | #if EV_PERIODIC_ENABLE |
1607 | if (periodiccnt) |
1798 | if (periodiccnt) |
1608 | { |
1799 | { |
1609 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1800 | ev_tstamp to = ev_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1610 | if (waittime > to) waittime = to; |
1801 | if (waittime > to) waittime = to; |
1611 | } |
1802 | } |
1612 | #endif |
1803 | #endif |
1613 | |
1804 | |
1614 | if (expect_false (waittime < timeout_blocktime)) |
1805 | if (expect_false (waittime < timeout_blocktime)) |
… | |
… | |
1647 | /* queue check watchers, to be executed first */ |
1838 | /* queue check watchers, to be executed first */ |
1648 | if (expect_false (checkcnt)) |
1839 | if (expect_false (checkcnt)) |
1649 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1840 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1650 | |
1841 | |
1651 | call_pending (EV_A); |
1842 | call_pending (EV_A); |
1652 | |
|
|
1653 | } |
1843 | } |
1654 | while (expect_true (activecnt && !loop_done)); |
1844 | while (expect_true ( |
|
|
1845 | activecnt |
|
|
1846 | && !loop_done |
|
|
1847 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
|
|
1848 | )); |
1655 | |
1849 | |
1656 | if (loop_done == EVUNLOOP_ONE) |
1850 | if (loop_done == EVUNLOOP_ONE) |
1657 | loop_done = EVUNLOOP_CANCEL; |
1851 | loop_done = EVUNLOOP_CANCEL; |
1658 | } |
1852 | } |
1659 | |
1853 | |
… | |
… | |
1777 | ev_timer_start (EV_P_ ev_timer *w) |
1971 | ev_timer_start (EV_P_ ev_timer *w) |
1778 | { |
1972 | { |
1779 | if (expect_false (ev_is_active (w))) |
1973 | if (expect_false (ev_is_active (w))) |
1780 | return; |
1974 | return; |
1781 | |
1975 | |
1782 | ((WT)w)->at += mn_now; |
1976 | ev_at (w) += mn_now; |
1783 | |
1977 | |
1784 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1978 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1785 | |
1979 | |
1786 | ev_start (EV_A_ (W)w, ++timercnt); |
1980 | ev_start (EV_A_ (W)w, ++timercnt + HEAP0 - 1); |
1787 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
1981 | array_needsize (WT, timers, timermax, timercnt + HEAP0, EMPTY2); |
1788 | timers [timercnt - 1] = (WT)w; |
1982 | timers [ev_active (w)] = (WT)w; |
1789 | upheap (timers, timercnt - 1); |
1983 | upheap (timers, ev_active (w)); |
1790 | |
1984 | |
1791 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1985 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == w));*/ |
1792 | } |
1986 | } |
1793 | |
1987 | |
1794 | void noinline |
1988 | void noinline |
1795 | ev_timer_stop (EV_P_ ev_timer *w) |
1989 | ev_timer_stop (EV_P_ ev_timer *w) |
1796 | { |
1990 | { |
1797 | clear_pending (EV_A_ (W)w); |
1991 | clear_pending (EV_A_ (W)w); |
1798 | if (expect_false (!ev_is_active (w))) |
1992 | if (expect_false (!ev_is_active (w))) |
1799 | return; |
1993 | return; |
1800 | |
1994 | |
1801 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
|
|
1802 | |
|
|
1803 | { |
1995 | { |
1804 | int active = ((W)w)->active; |
1996 | int active = ev_active (w); |
1805 | |
1997 | |
|
|
1998 | assert (("internal timer heap corruption", timers [active] == (WT)w)); |
|
|
1999 | |
1806 | if (expect_true (--active < --timercnt)) |
2000 | if (expect_true (active < timercnt + HEAP0 - 1)) |
1807 | { |
2001 | { |
1808 | timers [active] = timers [timercnt]; |
2002 | timers [active] = timers [timercnt + HEAP0 - 1]; |
1809 | adjustheap (timers, timercnt, active); |
2003 | adjustheap (timers, timercnt, active); |
1810 | } |
2004 | } |
|
|
2005 | |
|
|
2006 | --timercnt; |
1811 | } |
2007 | } |
1812 | |
2008 | |
1813 | ((WT)w)->at -= mn_now; |
2009 | ev_at (w) -= mn_now; |
1814 | |
2010 | |
1815 | ev_stop (EV_A_ (W)w); |
2011 | ev_stop (EV_A_ (W)w); |
1816 | } |
2012 | } |
1817 | |
2013 | |
1818 | void noinline |
2014 | void noinline |
… | |
… | |
1820 | { |
2016 | { |
1821 | if (ev_is_active (w)) |
2017 | if (ev_is_active (w)) |
1822 | { |
2018 | { |
1823 | if (w->repeat) |
2019 | if (w->repeat) |
1824 | { |
2020 | { |
1825 | ((WT)w)->at = mn_now + w->repeat; |
2021 | ev_at (w) = mn_now + w->repeat; |
1826 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
2022 | adjustheap (timers, timercnt, ev_active (w)); |
1827 | } |
2023 | } |
1828 | else |
2024 | else |
1829 | ev_timer_stop (EV_A_ w); |
2025 | ev_timer_stop (EV_A_ w); |
1830 | } |
2026 | } |
1831 | else if (w->repeat) |
2027 | else if (w->repeat) |
1832 | { |
2028 | { |
1833 | w->at = w->repeat; |
2029 | ev_at (w) = w->repeat; |
1834 | ev_timer_start (EV_A_ w); |
2030 | ev_timer_start (EV_A_ w); |
1835 | } |
2031 | } |
1836 | } |
2032 | } |
1837 | |
2033 | |
1838 | #if EV_PERIODIC_ENABLE |
2034 | #if EV_PERIODIC_ENABLE |
… | |
… | |
1841 | { |
2037 | { |
1842 | if (expect_false (ev_is_active (w))) |
2038 | if (expect_false (ev_is_active (w))) |
1843 | return; |
2039 | return; |
1844 | |
2040 | |
1845 | if (w->reschedule_cb) |
2041 | if (w->reschedule_cb) |
1846 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
2042 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1847 | else if (w->interval) |
2043 | else if (w->interval) |
1848 | { |
2044 | { |
1849 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2045 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1850 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2046 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1851 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2047 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1852 | } |
2048 | } |
1853 | else |
2049 | else |
1854 | ((WT)w)->at = w->offset; |
2050 | ev_at (w) = w->offset; |
1855 | |
2051 | |
1856 | ev_start (EV_A_ (W)w, ++periodiccnt); |
2052 | ev_start (EV_A_ (W)w, ++periodiccnt + HEAP0 - 1); |
1857 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
2053 | array_needsize (WT, periodics, periodicmax, periodiccnt + HEAP0, EMPTY2); |
1858 | periodics [periodiccnt - 1] = (WT)w; |
2054 | periodics [ev_active (w)] = (WT)w; |
1859 | upheap (periodics, periodiccnt - 1); |
2055 | upheap (periodics, ev_active (w)); |
1860 | |
2056 | |
1861 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
2057 | /*assert (("internal periodic heap corruption", periodics [ev_active (w)] == w));*/ |
1862 | } |
2058 | } |
1863 | |
2059 | |
1864 | void noinline |
2060 | void noinline |
1865 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2061 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1866 | { |
2062 | { |
1867 | clear_pending (EV_A_ (W)w); |
2063 | clear_pending (EV_A_ (W)w); |
1868 | if (expect_false (!ev_is_active (w))) |
2064 | if (expect_false (!ev_is_active (w))) |
1869 | return; |
2065 | return; |
1870 | |
2066 | |
1871 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
|
|
1872 | |
|
|
1873 | { |
2067 | { |
1874 | int active = ((W)w)->active; |
2068 | int active = ev_active (w); |
1875 | |
2069 | |
|
|
2070 | assert (("internal periodic heap corruption", periodics [active] == (WT)w)); |
|
|
2071 | |
1876 | if (expect_true (--active < --periodiccnt)) |
2072 | if (expect_true (active < periodiccnt + HEAP0 - 1)) |
1877 | { |
2073 | { |
1878 | periodics [active] = periodics [periodiccnt]; |
2074 | periodics [active] = periodics [periodiccnt + HEAP0 - 1]; |
1879 | adjustheap (periodics, periodiccnt, active); |
2075 | adjustheap (periodics, periodiccnt, active); |
1880 | } |
2076 | } |
|
|
2077 | |
|
|
2078 | --periodiccnt; |
1881 | } |
2079 | } |
1882 | |
2080 | |
1883 | ev_stop (EV_A_ (W)w); |
2081 | ev_stop (EV_A_ (W)w); |
1884 | } |
2082 | } |
1885 | |
2083 | |
… | |
… | |
1927 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2125 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1928 | |
2126 | |
1929 | if (!((WL)w)->next) |
2127 | if (!((WL)w)->next) |
1930 | { |
2128 | { |
1931 | #if _WIN32 |
2129 | #if _WIN32 |
1932 | signal (w->signum, sighandler); |
2130 | signal (w->signum, ev_sighandler); |
1933 | #else |
2131 | #else |
1934 | struct sigaction sa; |
2132 | struct sigaction sa; |
1935 | sa.sa_handler = sighandler; |
2133 | sa.sa_handler = ev_sighandler; |
1936 | sigfillset (&sa.sa_mask); |
2134 | sigfillset (&sa.sa_mask); |
1937 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2135 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1938 | sigaction (w->signum, &sa, 0); |
2136 | sigaction (w->signum, &sa, 0); |
1939 | #endif |
2137 | #endif |
1940 | } |
2138 | } |
… | |
… | |
2001 | if (w->wd < 0) |
2199 | if (w->wd < 0) |
2002 | { |
2200 | { |
2003 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2201 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2004 | |
2202 | |
2005 | /* monitor some parent directory for speedup hints */ |
2203 | /* monitor some parent directory for speedup hints */ |
|
|
2204 | /* note that exceeding the hardcoded limit is not a correctness issue, */ |
|
|
2205 | /* but an efficiency issue only */ |
2006 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2206 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2007 | { |
2207 | { |
2008 | char path [4096]; |
2208 | char path [4096]; |
2009 | strcpy (path, w->path); |
2209 | strcpy (path, w->path); |
2010 | |
2210 | |
… | |
… | |
2255 | clear_pending (EV_A_ (W)w); |
2455 | clear_pending (EV_A_ (W)w); |
2256 | if (expect_false (!ev_is_active (w))) |
2456 | if (expect_false (!ev_is_active (w))) |
2257 | return; |
2457 | return; |
2258 | |
2458 | |
2259 | { |
2459 | { |
2260 | int active = ((W)w)->active; |
2460 | int active = ev_active (w); |
2261 | |
2461 | |
2262 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2462 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2263 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
2463 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2264 | |
2464 | |
2265 | ev_stop (EV_A_ (W)w); |
2465 | ev_stop (EV_A_ (W)w); |
2266 | --idleall; |
2466 | --idleall; |
2267 | } |
2467 | } |
2268 | } |
2468 | } |
… | |
… | |
2285 | clear_pending (EV_A_ (W)w); |
2485 | clear_pending (EV_A_ (W)w); |
2286 | if (expect_false (!ev_is_active (w))) |
2486 | if (expect_false (!ev_is_active (w))) |
2287 | return; |
2487 | return; |
2288 | |
2488 | |
2289 | { |
2489 | { |
2290 | int active = ((W)w)->active; |
2490 | int active = ev_active (w); |
|
|
2491 | |
2291 | prepares [active - 1] = prepares [--preparecnt]; |
2492 | prepares [active - 1] = prepares [--preparecnt]; |
2292 | ((W)prepares [active - 1])->active = active; |
2493 | ev_active (prepares [active - 1]) = active; |
2293 | } |
2494 | } |
2294 | |
2495 | |
2295 | ev_stop (EV_A_ (W)w); |
2496 | ev_stop (EV_A_ (W)w); |
2296 | } |
2497 | } |
2297 | |
2498 | |
… | |
… | |
2312 | clear_pending (EV_A_ (W)w); |
2513 | clear_pending (EV_A_ (W)w); |
2313 | if (expect_false (!ev_is_active (w))) |
2514 | if (expect_false (!ev_is_active (w))) |
2314 | return; |
2515 | return; |
2315 | |
2516 | |
2316 | { |
2517 | { |
2317 | int active = ((W)w)->active; |
2518 | int active = ev_active (w); |
|
|
2519 | |
2318 | checks [active - 1] = checks [--checkcnt]; |
2520 | checks [active - 1] = checks [--checkcnt]; |
2319 | ((W)checks [active - 1])->active = active; |
2521 | ev_active (checks [active - 1]) = active; |
2320 | } |
2522 | } |
2321 | |
2523 | |
2322 | ev_stop (EV_A_ (W)w); |
2524 | ev_stop (EV_A_ (W)w); |
2323 | } |
2525 | } |
2324 | |
2526 | |
… | |
… | |
2420 | clear_pending (EV_A_ (W)w); |
2622 | clear_pending (EV_A_ (W)w); |
2421 | if (expect_false (!ev_is_active (w))) |
2623 | if (expect_false (!ev_is_active (w))) |
2422 | return; |
2624 | return; |
2423 | |
2625 | |
2424 | { |
2626 | { |
2425 | int active = ((W)w)->active; |
2627 | int active = ev_active (w); |
|
|
2628 | |
2426 | forks [active - 1] = forks [--forkcnt]; |
2629 | forks [active - 1] = forks [--forkcnt]; |
2427 | ((W)forks [active - 1])->active = active; |
2630 | ev_active (forks [active - 1]) = active; |
2428 | } |
2631 | } |
2429 | |
2632 | |
2430 | ev_stop (EV_A_ (W)w); |
2633 | ev_stop (EV_A_ (W)w); |
2431 | } |
2634 | } |
2432 | #endif |
2635 | #endif |
… | |
… | |
2451 | clear_pending (EV_A_ (W)w); |
2654 | clear_pending (EV_A_ (W)w); |
2452 | if (expect_false (!ev_is_active (w))) |
2655 | if (expect_false (!ev_is_active (w))) |
2453 | return; |
2656 | return; |
2454 | |
2657 | |
2455 | { |
2658 | { |
2456 | int active = ((W)w)->active; |
2659 | int active = ev_active (w); |
|
|
2660 | |
2457 | asyncs [active - 1] = asyncs [--asynccnt]; |
2661 | asyncs [active - 1] = asyncs [--asynccnt]; |
2458 | ((W)asyncs [active - 1])->active = active; |
2662 | ev_active (asyncs [active - 1]) = active; |
2459 | } |
2663 | } |
2460 | |
2664 | |
2461 | ev_stop (EV_A_ (W)w); |
2665 | ev_stop (EV_A_ (W)w); |
2462 | } |
2666 | } |
2463 | |
2667 | |
2464 | void |
2668 | void |
2465 | ev_async_send (EV_P_ ev_async *w) |
2669 | ev_async_send (EV_P_ ev_async *w) |
2466 | { |
2670 | { |
2467 | w->sent = 1; |
2671 | w->sent = 1; |
2468 | evpipe_write (EV_A_ 0, 1); |
2672 | evpipe_write (EV_A_ &gotasync); |
2469 | } |
2673 | } |
2470 | #endif |
2674 | #endif |
2471 | |
2675 | |
2472 | /*****************************************************************************/ |
2676 | /*****************************************************************************/ |
2473 | |
2677 | |