… | |
… | |
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 | /* towards the root */ |
707 | void inline_speed |
765 | void inline_speed |
708 | upheap (WT *heap, int k) |
766 | upheap (WT *heap, int k) |
709 | { |
767 | { |
710 | WT w = heap [k]; |
768 | WT w = heap [k]; |
711 | |
769 | |
712 | while (k) |
770 | for (;;) |
713 | { |
771 | { |
714 | int p = (k - 1) >> 1; |
772 | int p = k >> 1; |
715 | |
773 | |
|
|
774 | /* maybe we could use a dummy element at heap [0]? */ |
716 | if (heap [p]->at <= w->at) |
775 | if (!p || heap [p]->at <= w->at) |
717 | break; |
776 | break; |
718 | |
777 | |
719 | heap [k] = heap [p]; |
778 | heap [k] = heap [p]; |
720 | ((W)heap [k])->active = k + 1; |
779 | ev_active (heap [k]) = k; |
721 | k = p; |
780 | k = p; |
722 | } |
781 | } |
723 | |
782 | |
724 | heap [k] = w; |
783 | heap [k] = w; |
725 | ((W)heap [k])->active = k + 1; |
784 | ev_active (heap [k]) = k; |
726 | } |
785 | } |
727 | |
786 | |
|
|
787 | /* away from the root */ |
728 | void inline_speed |
788 | void inline_speed |
729 | downheap (WT *heap, int N, int k) |
789 | downheap (WT *heap, int N, int k) |
730 | { |
790 | { |
731 | WT w = heap [k]; |
791 | WT w = heap [k]; |
732 | |
792 | |
733 | for (;;) |
793 | for (;;) |
734 | { |
794 | { |
735 | int c = (k << 1) + 1; |
795 | int c = k << 1; |
736 | |
796 | |
737 | if (c >= N) |
797 | if (c > N) |
738 | break; |
798 | break; |
739 | |
799 | |
740 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
800 | c += c < N && heap [c]->at > heap [c + 1]->at |
741 | ? 1 : 0; |
801 | ? 1 : 0; |
742 | |
802 | |
743 | if (w->at <= heap [c]->at) |
803 | if (w->at <= heap [c]->at) |
744 | break; |
804 | break; |
745 | |
805 | |
746 | heap [k] = heap [c]; |
806 | heap [k] = heap [c]; |
747 | ((W)heap [k])->active = k + 1; |
807 | ev_active (heap [k]) = k; |
748 | |
808 | |
749 | k = c; |
809 | k = c; |
750 | } |
810 | } |
751 | |
811 | |
752 | heap [k] = w; |
812 | heap [k] = w; |
753 | ((W)heap [k])->active = k + 1; |
813 | ev_active (heap [k]) = k; |
754 | } |
814 | } |
755 | |
815 | |
756 | void inline_size |
816 | void inline_size |
757 | adjustheap (WT *heap, int N, int k) |
817 | adjustheap (WT *heap, int N, int k) |
758 | { |
818 | { |
… | |
… | |
802 | static void noinline |
862 | static void noinline |
803 | evpipe_init (EV_P) |
863 | evpipe_init (EV_P) |
804 | { |
864 | { |
805 | if (!ev_is_active (&pipeev)) |
865 | if (!ev_is_active (&pipeev)) |
806 | { |
866 | { |
|
|
867 | #if EV_USE_EVENTFD |
|
|
868 | if ((evfd = eventfd (0, 0)) >= 0) |
|
|
869 | { |
|
|
870 | evpipe [0] = -1; |
|
|
871 | fd_intern (evfd); |
|
|
872 | ev_io_set (&pipeev, evfd, EV_READ); |
|
|
873 | } |
|
|
874 | else |
|
|
875 | #endif |
|
|
876 | { |
807 | while (pipe (evpipe)) |
877 | while (pipe (evpipe)) |
808 | syserr ("(libev) error creating signal/async pipe"); |
878 | syserr ("(libev) error creating signal/async pipe"); |
809 | |
879 | |
810 | fd_intern (evpipe [0]); |
880 | fd_intern (evpipe [0]); |
811 | fd_intern (evpipe [1]); |
881 | fd_intern (evpipe [1]); |
812 | |
|
|
813 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
882 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
|
|
883 | } |
|
|
884 | |
814 | ev_io_start (EV_A_ &pipeev); |
885 | ev_io_start (EV_A_ &pipeev); |
815 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
886 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
816 | } |
887 | } |
817 | } |
888 | } |
818 | |
889 | |
819 | void inline_size |
890 | void inline_size |
820 | evpipe_write (EV_P_ int sig, int async) |
891 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
821 | { |
892 | { |
822 | if (!(gotasync || gotsig)) |
893 | if (!*flag) |
823 | { |
894 | { |
824 | int old_errno = errno; /* save errno becaue write might clobber it */ |
895 | int old_errno = errno; /* save errno because write might clobber it */ |
825 | |
896 | |
826 | if (sig) gotsig = 1; |
897 | *flag = 1; |
827 | if (async) gotasync = 1; |
|
|
828 | |
898 | |
|
|
899 | #if EV_USE_EVENTFD |
|
|
900 | if (evfd >= 0) |
|
|
901 | { |
|
|
902 | uint64_t counter = 1; |
|
|
903 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
904 | } |
|
|
905 | else |
|
|
906 | #endif |
829 | write (evpipe [1], &old_errno, 1); |
907 | write (evpipe [1], &old_errno, 1); |
830 | |
908 | |
831 | errno = old_errno; |
909 | errno = old_errno; |
832 | } |
910 | } |
833 | } |
911 | } |
834 | |
912 | |
835 | static void |
913 | static void |
836 | pipecb (EV_P_ ev_io *iow, int revents) |
914 | pipecb (EV_P_ ev_io *iow, int revents) |
837 | { |
915 | { |
|
|
916 | #if EV_USE_EVENTFD |
|
|
917 | if (evfd >= 0) |
838 | { |
918 | { |
839 | int dummy; |
919 | uint64_t counter; |
|
|
920 | read (evfd, &counter, sizeof (uint64_t)); |
|
|
921 | } |
|
|
922 | else |
|
|
923 | #endif |
|
|
924 | { |
|
|
925 | char dummy; |
840 | read (evpipe [0], &dummy, 1); |
926 | read (evpipe [0], &dummy, 1); |
841 | } |
927 | } |
842 | |
928 | |
843 | if (gotsig) |
929 | if (gotsig && ev_is_default_loop (EV_A)) |
844 | { |
930 | { |
845 | int signum; |
931 | int signum; |
846 | gotsig = 0; |
932 | gotsig = 0; |
847 | |
933 | |
848 | for (signum = signalmax; signum--; ) |
934 | for (signum = signalmax; signum--; ) |
… | |
… | |
867 | } |
953 | } |
868 | |
954 | |
869 | /*****************************************************************************/ |
955 | /*****************************************************************************/ |
870 | |
956 | |
871 | static void |
957 | static void |
872 | sighandler (int signum) |
958 | ev_sighandler (int signum) |
873 | { |
959 | { |
874 | #if EV_MULTIPLICITY |
960 | #if EV_MULTIPLICITY |
875 | struct ev_loop *loop = &default_loop_struct; |
961 | struct ev_loop *loop = &default_loop_struct; |
876 | #endif |
962 | #endif |
877 | |
963 | |
878 | #if _WIN32 |
964 | #if _WIN32 |
879 | signal (signum, sighandler); |
965 | signal (signum, ev_sighandler); |
880 | #endif |
966 | #endif |
881 | |
967 | |
882 | signals [signum - 1].gotsig = 1; |
968 | signals [signum - 1].gotsig = 1; |
883 | evpipe_write (EV_A_ 1, 0); |
969 | evpipe_write (EV_A_ &gotsig); |
884 | } |
970 | } |
885 | |
971 | |
886 | void noinline |
972 | void noinline |
887 | ev_feed_signal_event (EV_P_ int signum) |
973 | ev_feed_signal_event (EV_P_ int signum) |
888 | { |
974 | { |
… | |
… | |
914 | #ifndef WIFCONTINUED |
1000 | #ifndef WIFCONTINUED |
915 | # define WIFCONTINUED(status) 0 |
1001 | # define WIFCONTINUED(status) 0 |
916 | #endif |
1002 | #endif |
917 | |
1003 | |
918 | void inline_speed |
1004 | void inline_speed |
919 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
1005 | child_reap (EV_P_ int chain, int pid, int status) |
920 | { |
1006 | { |
921 | ev_child *w; |
1007 | ev_child *w; |
922 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1008 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
923 | |
1009 | |
924 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1010 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
925 | { |
1011 | { |
926 | if ((w->pid == pid || !w->pid) |
1012 | if ((w->pid == pid || !w->pid) |
927 | && (!traced || (w->flags & 1))) |
1013 | && (!traced || (w->flags & 1))) |
928 | { |
1014 | { |
929 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
1015 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
930 | w->rpid = pid; |
1016 | w->rpid = pid; |
931 | w->rstatus = status; |
1017 | w->rstatus = status; |
932 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
1018 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
933 | } |
1019 | } |
934 | } |
1020 | } |
… | |
… | |
948 | if (!WCONTINUED |
1034 | if (!WCONTINUED |
949 | || errno != EINVAL |
1035 | || errno != EINVAL |
950 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
1036 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
951 | return; |
1037 | return; |
952 | |
1038 | |
953 | /* make sure we are called again until all childs have been reaped */ |
1039 | /* make sure we are called again until all children have been reaped */ |
954 | /* we need to do it this way so that the callback gets called before we continue */ |
1040 | /* we need to do it this way so that the callback gets called before we continue */ |
955 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1041 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
956 | |
1042 | |
957 | child_reap (EV_A_ sw, pid, pid, status); |
1043 | child_reap (EV_A_ pid, pid, status); |
958 | if (EV_PID_HASHSIZE > 1) |
1044 | if (EV_PID_HASHSIZE > 1) |
959 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1045 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
960 | } |
1046 | } |
961 | |
1047 | |
962 | #endif |
1048 | #endif |
963 | |
1049 | |
964 | /*****************************************************************************/ |
1050 | /*****************************************************************************/ |
… | |
… | |
1107 | if (!(flags & EVFLAG_NOENV) |
1193 | if (!(flags & EVFLAG_NOENV) |
1108 | && !enable_secure () |
1194 | && !enable_secure () |
1109 | && getenv ("LIBEV_FLAGS")) |
1195 | && getenv ("LIBEV_FLAGS")) |
1110 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1196 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1111 | |
1197 | |
1112 | if (!(flags & 0x0000ffffUL)) |
1198 | if (!(flags & 0x0000ffffU)) |
1113 | flags |= ev_recommended_backends (); |
1199 | flags |= ev_recommended_backends (); |
1114 | |
1200 | |
1115 | #if EV_USE_PORT |
1201 | #if EV_USE_PORT |
1116 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1202 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1117 | #endif |
1203 | #endif |
… | |
… | |
1141 | if (ev_is_active (&pipeev)) |
1227 | if (ev_is_active (&pipeev)) |
1142 | { |
1228 | { |
1143 | ev_ref (EV_A); /* signal watcher */ |
1229 | ev_ref (EV_A); /* signal watcher */ |
1144 | ev_io_stop (EV_A_ &pipeev); |
1230 | ev_io_stop (EV_A_ &pipeev); |
1145 | |
1231 | |
1146 | close (evpipe [0]); evpipe [0] = 0; |
1232 | #if EV_USE_EVENTFD |
1147 | close (evpipe [1]); evpipe [1] = 0; |
1233 | if (evfd >= 0) |
|
|
1234 | close (evfd); |
|
|
1235 | #endif |
|
|
1236 | |
|
|
1237 | if (evpipe [0] >= 0) |
|
|
1238 | { |
|
|
1239 | close (evpipe [0]); |
|
|
1240 | close (evpipe [1]); |
|
|
1241 | } |
1148 | } |
1242 | } |
1149 | |
1243 | |
1150 | #if EV_USE_INOTIFY |
1244 | #if EV_USE_INOTIFY |
1151 | if (fs_fd >= 0) |
1245 | if (fs_fd >= 0) |
1152 | close (fs_fd); |
1246 | close (fs_fd); |
… | |
… | |
1197 | #endif |
1291 | #endif |
1198 | |
1292 | |
1199 | backend = 0; |
1293 | backend = 0; |
1200 | } |
1294 | } |
1201 | |
1295 | |
|
|
1296 | #if EV_USE_INOTIFY |
1202 | void inline_size infy_fork (EV_P); |
1297 | void inline_size infy_fork (EV_P); |
|
|
1298 | #endif |
1203 | |
1299 | |
1204 | void inline_size |
1300 | void inline_size |
1205 | loop_fork (EV_P) |
1301 | loop_fork (EV_P) |
1206 | { |
1302 | { |
1207 | #if EV_USE_PORT |
1303 | #if EV_USE_PORT |
… | |
… | |
1218 | #endif |
1314 | #endif |
1219 | |
1315 | |
1220 | if (ev_is_active (&pipeev)) |
1316 | if (ev_is_active (&pipeev)) |
1221 | { |
1317 | { |
1222 | /* this "locks" the handlers against writing to the pipe */ |
1318 | /* this "locks" the handlers against writing to the pipe */ |
|
|
1319 | /* while we modify the fd vars */ |
|
|
1320 | gotsig = 1; |
|
|
1321 | #if EV_ASYNC_ENABLE |
1223 | gotsig = gotasync = 1; |
1322 | gotasync = 1; |
|
|
1323 | #endif |
1224 | |
1324 | |
1225 | ev_ref (EV_A); |
1325 | ev_ref (EV_A); |
1226 | ev_io_stop (EV_A_ &pipeev); |
1326 | ev_io_stop (EV_A_ &pipeev); |
|
|
1327 | |
|
|
1328 | #if EV_USE_EVENTFD |
|
|
1329 | if (evfd >= 0) |
|
|
1330 | close (evfd); |
|
|
1331 | #endif |
|
|
1332 | |
|
|
1333 | if (evpipe [0] >= 0) |
|
|
1334 | { |
1227 | close (evpipe [0]); |
1335 | close (evpipe [0]); |
1228 | close (evpipe [1]); |
1336 | close (evpipe [1]); |
|
|
1337 | } |
1229 | |
1338 | |
1230 | evpipe_init (EV_A); |
1339 | evpipe_init (EV_A); |
1231 | /* now iterate over everything, in case we missed something */ |
1340 | /* now iterate over everything, in case we missed something */ |
1232 | pipecb (EV_A_ &pipeev, EV_READ); |
1341 | pipecb (EV_A_ &pipeev, EV_READ); |
1233 | } |
1342 | } |
… | |
… | |
1261 | void |
1370 | void |
1262 | ev_loop_fork (EV_P) |
1371 | ev_loop_fork (EV_P) |
1263 | { |
1372 | { |
1264 | postfork = 1; /* must be in line with ev_default_fork */ |
1373 | postfork = 1; /* must be in line with ev_default_fork */ |
1265 | } |
1374 | } |
1266 | |
|
|
1267 | #endif |
1375 | #endif |
1268 | |
1376 | |
1269 | #if EV_MULTIPLICITY |
1377 | #if EV_MULTIPLICITY |
1270 | struct ev_loop * |
1378 | struct ev_loop * |
1271 | ev_default_loop_init (unsigned int flags) |
1379 | ev_default_loop_init (unsigned int flags) |
… | |
… | |
1352 | EV_CB_INVOKE (p->w, p->events); |
1460 | EV_CB_INVOKE (p->w, p->events); |
1353 | } |
1461 | } |
1354 | } |
1462 | } |
1355 | } |
1463 | } |
1356 | |
1464 | |
1357 | void inline_size |
|
|
1358 | timers_reify (EV_P) |
|
|
1359 | { |
|
|
1360 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
|
|
1361 | { |
|
|
1362 | ev_timer *w = (ev_timer *)timers [0]; |
|
|
1363 | |
|
|
1364 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1365 | |
|
|
1366 | /* first reschedule or stop timer */ |
|
|
1367 | if (w->repeat) |
|
|
1368 | { |
|
|
1369 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1370 | |
|
|
1371 | ((WT)w)->at += w->repeat; |
|
|
1372 | if (((WT)w)->at < mn_now) |
|
|
1373 | ((WT)w)->at = mn_now; |
|
|
1374 | |
|
|
1375 | downheap (timers, timercnt, 0); |
|
|
1376 | } |
|
|
1377 | else |
|
|
1378 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1379 | |
|
|
1380 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1381 | } |
|
|
1382 | } |
|
|
1383 | |
|
|
1384 | #if EV_PERIODIC_ENABLE |
|
|
1385 | void inline_size |
|
|
1386 | periodics_reify (EV_P) |
|
|
1387 | { |
|
|
1388 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
|
|
1389 | { |
|
|
1390 | ev_periodic *w = (ev_periodic *)periodics [0]; |
|
|
1391 | |
|
|
1392 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1393 | |
|
|
1394 | /* first reschedule or stop timer */ |
|
|
1395 | if (w->reschedule_cb) |
|
|
1396 | { |
|
|
1397 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
|
|
1398 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1399 | downheap (periodics, periodiccnt, 0); |
|
|
1400 | } |
|
|
1401 | else if (w->interval) |
|
|
1402 | { |
|
|
1403 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1404 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
|
|
1405 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
|
|
1406 | downheap (periodics, periodiccnt, 0); |
|
|
1407 | } |
|
|
1408 | else |
|
|
1409 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1410 | |
|
|
1411 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1412 | } |
|
|
1413 | } |
|
|
1414 | |
|
|
1415 | static void noinline |
|
|
1416 | periodics_reschedule (EV_P) |
|
|
1417 | { |
|
|
1418 | int i; |
|
|
1419 | |
|
|
1420 | /* adjust periodics after time jump */ |
|
|
1421 | for (i = 0; i < periodiccnt; ++i) |
|
|
1422 | { |
|
|
1423 | ev_periodic *w = (ev_periodic *)periodics [i]; |
|
|
1424 | |
|
|
1425 | if (w->reschedule_cb) |
|
|
1426 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1427 | else if (w->interval) |
|
|
1428 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1429 | } |
|
|
1430 | |
|
|
1431 | /* now rebuild the heap */ |
|
|
1432 | for (i = periodiccnt >> 1; i--; ) |
|
|
1433 | downheap (periodics, periodiccnt, i); |
|
|
1434 | } |
|
|
1435 | #endif |
|
|
1436 | |
|
|
1437 | #if EV_IDLE_ENABLE |
1465 | #if EV_IDLE_ENABLE |
1438 | void inline_size |
1466 | void inline_size |
1439 | idle_reify (EV_P) |
1467 | idle_reify (EV_P) |
1440 | { |
1468 | { |
1441 | if (expect_false (idleall)) |
1469 | if (expect_false (idleall)) |
… | |
… | |
1452 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1480 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1453 | break; |
1481 | break; |
1454 | } |
1482 | } |
1455 | } |
1483 | } |
1456 | } |
1484 | } |
|
|
1485 | } |
|
|
1486 | #endif |
|
|
1487 | |
|
|
1488 | void inline_size |
|
|
1489 | timers_reify (EV_P) |
|
|
1490 | { |
|
|
1491 | while (timercnt && ev_at (timers [1]) <= mn_now) |
|
|
1492 | { |
|
|
1493 | ev_timer *w = (ev_timer *)timers [1]; |
|
|
1494 | |
|
|
1495 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1496 | |
|
|
1497 | /* first reschedule or stop timer */ |
|
|
1498 | if (w->repeat) |
|
|
1499 | { |
|
|
1500 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1501 | |
|
|
1502 | ev_at (w) += w->repeat; |
|
|
1503 | if (ev_at (w) < mn_now) |
|
|
1504 | ev_at (w) = mn_now; |
|
|
1505 | |
|
|
1506 | downheap (timers, timercnt, 1); |
|
|
1507 | } |
|
|
1508 | else |
|
|
1509 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1510 | |
|
|
1511 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1512 | } |
|
|
1513 | } |
|
|
1514 | |
|
|
1515 | #if EV_PERIODIC_ENABLE |
|
|
1516 | void inline_size |
|
|
1517 | periodics_reify (EV_P) |
|
|
1518 | { |
|
|
1519 | while (periodiccnt && ev_at (periodics [1]) <= ev_rt_now) |
|
|
1520 | { |
|
|
1521 | ev_periodic *w = (ev_periodic *)periodics [1]; |
|
|
1522 | |
|
|
1523 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1524 | |
|
|
1525 | /* first reschedule or stop timer */ |
|
|
1526 | if (w->reschedule_cb) |
|
|
1527 | { |
|
|
1528 | ev_at (w) = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
|
|
1529 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) > ev_rt_now)); |
|
|
1530 | downheap (periodics, periodiccnt, 1); |
|
|
1531 | } |
|
|
1532 | else if (w->interval) |
|
|
1533 | { |
|
|
1534 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1535 | if (ev_at (w) - ev_rt_now <= TIME_EPSILON) ev_at (w) += w->interval; |
|
|
1536 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ev_at (w) > ev_rt_now)); |
|
|
1537 | downheap (periodics, periodiccnt, 1); |
|
|
1538 | } |
|
|
1539 | else |
|
|
1540 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1541 | |
|
|
1542 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1543 | } |
|
|
1544 | } |
|
|
1545 | |
|
|
1546 | static void noinline |
|
|
1547 | periodics_reschedule (EV_P) |
|
|
1548 | { |
|
|
1549 | int i; |
|
|
1550 | |
|
|
1551 | /* adjust periodics after time jump */ |
|
|
1552 | for (i = 1; i <= periodiccnt; ++i) |
|
|
1553 | { |
|
|
1554 | ev_periodic *w = (ev_periodic *)periodics [i]; |
|
|
1555 | |
|
|
1556 | if (w->reschedule_cb) |
|
|
1557 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1558 | else if (w->interval) |
|
|
1559 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1560 | } |
|
|
1561 | |
|
|
1562 | /* now rebuild the heap */ |
|
|
1563 | for (i = periodiccnt >> 1; i--; ) |
|
|
1564 | downheap (periodics, periodiccnt, i); |
1457 | } |
1565 | } |
1458 | #endif |
1566 | #endif |
1459 | |
1567 | |
1460 | void inline_speed |
1568 | void inline_speed |
1461 | time_update (EV_P_ ev_tstamp max_block) |
1569 | time_update (EV_P_ ev_tstamp max_block) |
… | |
… | |
1490 | */ |
1598 | */ |
1491 | for (i = 4; --i; ) |
1599 | for (i = 4; --i; ) |
1492 | { |
1600 | { |
1493 | rtmn_diff = ev_rt_now - mn_now; |
1601 | rtmn_diff = ev_rt_now - mn_now; |
1494 | |
1602 | |
1495 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1603 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
1496 | return; /* all is well */ |
1604 | return; /* all is well */ |
1497 | |
1605 | |
1498 | ev_rt_now = ev_time (); |
1606 | ev_rt_now = ev_time (); |
1499 | mn_now = get_clock (); |
1607 | mn_now = get_clock (); |
1500 | now_floor = mn_now; |
1608 | now_floor = mn_now; |
… | |
… | |
1515 | { |
1623 | { |
1516 | #if EV_PERIODIC_ENABLE |
1624 | #if EV_PERIODIC_ENABLE |
1517 | periodics_reschedule (EV_A); |
1625 | periodics_reschedule (EV_A); |
1518 | #endif |
1626 | #endif |
1519 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1627 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1520 | for (i = 0; i < timercnt; ++i) |
1628 | for (i = 1; i <= timercnt; ++i) |
1521 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1629 | ev_at (timers [i]) += ev_rt_now - mn_now; |
1522 | } |
1630 | } |
1523 | |
1631 | |
1524 | mn_now = ev_rt_now; |
1632 | mn_now = ev_rt_now; |
1525 | } |
1633 | } |
1526 | } |
1634 | } |
… | |
… | |
1540 | static int loop_done; |
1648 | static int loop_done; |
1541 | |
1649 | |
1542 | void |
1650 | void |
1543 | ev_loop (EV_P_ int flags) |
1651 | ev_loop (EV_P_ int flags) |
1544 | { |
1652 | { |
1545 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1653 | loop_done = EVUNLOOP_CANCEL; |
1546 | ? EVUNLOOP_ONE |
|
|
1547 | : EVUNLOOP_CANCEL; |
|
|
1548 | |
1654 | |
1549 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1655 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1550 | |
1656 | |
1551 | do |
1657 | do |
1552 | { |
1658 | { |
… | |
… | |
1598 | |
1704 | |
1599 | waittime = MAX_BLOCKTIME; |
1705 | waittime = MAX_BLOCKTIME; |
1600 | |
1706 | |
1601 | if (timercnt) |
1707 | if (timercnt) |
1602 | { |
1708 | { |
1603 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1709 | ev_tstamp to = ev_at (timers [1]) - mn_now + backend_fudge; |
1604 | if (waittime > to) waittime = to; |
1710 | if (waittime > to) waittime = to; |
1605 | } |
1711 | } |
1606 | |
1712 | |
1607 | #if EV_PERIODIC_ENABLE |
1713 | #if EV_PERIODIC_ENABLE |
1608 | if (periodiccnt) |
1714 | if (periodiccnt) |
1609 | { |
1715 | { |
1610 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1716 | ev_tstamp to = ev_at (periodics [1]) - ev_rt_now + backend_fudge; |
1611 | if (waittime > to) waittime = to; |
1717 | if (waittime > to) waittime = to; |
1612 | } |
1718 | } |
1613 | #endif |
1719 | #endif |
1614 | |
1720 | |
1615 | if (expect_false (waittime < timeout_blocktime)) |
1721 | if (expect_false (waittime < timeout_blocktime)) |
… | |
… | |
1648 | /* queue check watchers, to be executed first */ |
1754 | /* queue check watchers, to be executed first */ |
1649 | if (expect_false (checkcnt)) |
1755 | if (expect_false (checkcnt)) |
1650 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1756 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1651 | |
1757 | |
1652 | call_pending (EV_A); |
1758 | call_pending (EV_A); |
1653 | |
|
|
1654 | } |
1759 | } |
1655 | while (expect_true (activecnt && !loop_done)); |
1760 | while (expect_true ( |
|
|
1761 | activecnt |
|
|
1762 | && !loop_done |
|
|
1763 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
|
|
1764 | )); |
1656 | |
1765 | |
1657 | if (loop_done == EVUNLOOP_ONE) |
1766 | if (loop_done == EVUNLOOP_ONE) |
1658 | loop_done = EVUNLOOP_CANCEL; |
1767 | loop_done = EVUNLOOP_CANCEL; |
1659 | } |
1768 | } |
1660 | |
1769 | |
… | |
… | |
1778 | ev_timer_start (EV_P_ ev_timer *w) |
1887 | ev_timer_start (EV_P_ ev_timer *w) |
1779 | { |
1888 | { |
1780 | if (expect_false (ev_is_active (w))) |
1889 | if (expect_false (ev_is_active (w))) |
1781 | return; |
1890 | return; |
1782 | |
1891 | |
1783 | ((WT)w)->at += mn_now; |
1892 | ev_at (w) += mn_now; |
1784 | |
1893 | |
1785 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1894 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1786 | |
1895 | |
1787 | ev_start (EV_A_ (W)w, ++timercnt); |
1896 | ev_start (EV_A_ (W)w, ++timercnt); |
1788 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
1897 | array_needsize (WT, timers, timermax, timercnt + 1, EMPTY2); |
1789 | timers [timercnt - 1] = (WT)w; |
1898 | timers [timercnt] = (WT)w; |
1790 | upheap (timers, timercnt - 1); |
1899 | upheap (timers, timercnt); |
1791 | |
1900 | |
1792 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1901 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == w));*/ |
1793 | } |
1902 | } |
1794 | |
1903 | |
1795 | void noinline |
1904 | void noinline |
1796 | ev_timer_stop (EV_P_ ev_timer *w) |
1905 | ev_timer_stop (EV_P_ ev_timer *w) |
1797 | { |
1906 | { |
1798 | clear_pending (EV_A_ (W)w); |
1907 | clear_pending (EV_A_ (W)w); |
1799 | if (expect_false (!ev_is_active (w))) |
1908 | if (expect_false (!ev_is_active (w))) |
1800 | return; |
1909 | return; |
1801 | |
1910 | |
1802 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
|
|
1803 | |
|
|
1804 | { |
1911 | { |
1805 | int active = ((W)w)->active; |
1912 | int active = ev_active (w); |
1806 | |
1913 | |
|
|
1914 | assert (("internal timer heap corruption", timers [active] == (WT)w)); |
|
|
1915 | |
1807 | if (expect_true (--active < --timercnt)) |
1916 | if (expect_true (active < timercnt)) |
1808 | { |
1917 | { |
1809 | timers [active] = timers [timercnt]; |
1918 | timers [active] = timers [timercnt]; |
1810 | adjustheap (timers, timercnt, active); |
1919 | adjustheap (timers, timercnt, active); |
1811 | } |
1920 | } |
|
|
1921 | |
|
|
1922 | --timercnt; |
1812 | } |
1923 | } |
1813 | |
1924 | |
1814 | ((WT)w)->at -= mn_now; |
1925 | ev_at (w) -= mn_now; |
1815 | |
1926 | |
1816 | ev_stop (EV_A_ (W)w); |
1927 | ev_stop (EV_A_ (W)w); |
1817 | } |
1928 | } |
1818 | |
1929 | |
1819 | void noinline |
1930 | void noinline |
… | |
… | |
1821 | { |
1932 | { |
1822 | if (ev_is_active (w)) |
1933 | if (ev_is_active (w)) |
1823 | { |
1934 | { |
1824 | if (w->repeat) |
1935 | if (w->repeat) |
1825 | { |
1936 | { |
1826 | ((WT)w)->at = mn_now + w->repeat; |
1937 | ev_at (w) = mn_now + w->repeat; |
1827 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
1938 | adjustheap (timers, timercnt, ev_active (w)); |
1828 | } |
1939 | } |
1829 | else |
1940 | else |
1830 | ev_timer_stop (EV_A_ w); |
1941 | ev_timer_stop (EV_A_ w); |
1831 | } |
1942 | } |
1832 | else if (w->repeat) |
1943 | else if (w->repeat) |
1833 | { |
1944 | { |
1834 | w->at = w->repeat; |
1945 | ev_at (w) = w->repeat; |
1835 | ev_timer_start (EV_A_ w); |
1946 | ev_timer_start (EV_A_ w); |
1836 | } |
1947 | } |
1837 | } |
1948 | } |
1838 | |
1949 | |
1839 | #if EV_PERIODIC_ENABLE |
1950 | #if EV_PERIODIC_ENABLE |
… | |
… | |
1842 | { |
1953 | { |
1843 | if (expect_false (ev_is_active (w))) |
1954 | if (expect_false (ev_is_active (w))) |
1844 | return; |
1955 | return; |
1845 | |
1956 | |
1846 | if (w->reschedule_cb) |
1957 | if (w->reschedule_cb) |
1847 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1958 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1848 | else if (w->interval) |
1959 | else if (w->interval) |
1849 | { |
1960 | { |
1850 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1961 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1851 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1962 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1852 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1963 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1853 | } |
1964 | } |
1854 | else |
1965 | else |
1855 | ((WT)w)->at = w->offset; |
1966 | ev_at (w) = w->offset; |
1856 | |
1967 | |
1857 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1968 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1858 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
1969 | array_needsize (WT, periodics, periodicmax, periodiccnt + 1, EMPTY2); |
1859 | periodics [periodiccnt - 1] = (WT)w; |
1970 | periodics [periodiccnt] = (WT)w; |
1860 | upheap (periodics, periodiccnt - 1); |
1971 | upheap (periodics, periodiccnt); |
1861 | |
1972 | |
1862 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1973 | /*assert (("internal periodic heap corruption", periodics [ev_active (w)] == w));*/ |
1863 | } |
1974 | } |
1864 | |
1975 | |
1865 | void noinline |
1976 | void noinline |
1866 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1977 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1867 | { |
1978 | { |
1868 | clear_pending (EV_A_ (W)w); |
1979 | clear_pending (EV_A_ (W)w); |
1869 | if (expect_false (!ev_is_active (w))) |
1980 | if (expect_false (!ev_is_active (w))) |
1870 | return; |
1981 | return; |
1871 | |
1982 | |
1872 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
|
|
1873 | |
|
|
1874 | { |
1983 | { |
1875 | int active = ((W)w)->active; |
1984 | int active = ev_active (w); |
1876 | |
1985 | |
|
|
1986 | assert (("internal periodic heap corruption", periodics [active] == (WT)w)); |
|
|
1987 | |
1877 | if (expect_true (--active < --periodiccnt)) |
1988 | if (expect_true (active < periodiccnt)) |
1878 | { |
1989 | { |
1879 | periodics [active] = periodics [periodiccnt]; |
1990 | periodics [active] = periodics [periodiccnt]; |
1880 | adjustheap (periodics, periodiccnt, active); |
1991 | adjustheap (periodics, periodiccnt, active); |
1881 | } |
1992 | } |
|
|
1993 | |
|
|
1994 | --periodiccnt; |
1882 | } |
1995 | } |
1883 | |
1996 | |
1884 | ev_stop (EV_A_ (W)w); |
1997 | ev_stop (EV_A_ (W)w); |
1885 | } |
1998 | } |
1886 | |
1999 | |
… | |
… | |
1928 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2041 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1929 | |
2042 | |
1930 | if (!((WL)w)->next) |
2043 | if (!((WL)w)->next) |
1931 | { |
2044 | { |
1932 | #if _WIN32 |
2045 | #if _WIN32 |
1933 | signal (w->signum, sighandler); |
2046 | signal (w->signum, ev_sighandler); |
1934 | #else |
2047 | #else |
1935 | struct sigaction sa; |
2048 | struct sigaction sa; |
1936 | sa.sa_handler = sighandler; |
2049 | sa.sa_handler = ev_sighandler; |
1937 | sigfillset (&sa.sa_mask); |
2050 | sigfillset (&sa.sa_mask); |
1938 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2051 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1939 | sigaction (w->signum, &sa, 0); |
2052 | sigaction (w->signum, &sa, 0); |
1940 | #endif |
2053 | #endif |
1941 | } |
2054 | } |
… | |
… | |
2002 | if (w->wd < 0) |
2115 | if (w->wd < 0) |
2003 | { |
2116 | { |
2004 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2117 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2005 | |
2118 | |
2006 | /* monitor some parent directory for speedup hints */ |
2119 | /* monitor some parent directory for speedup hints */ |
|
|
2120 | /* note that exceeding the hardcoded limit is not a correctness issue, */ |
|
|
2121 | /* but an efficiency issue only */ |
2007 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2122 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2008 | { |
2123 | { |
2009 | char path [4096]; |
2124 | char path [4096]; |
2010 | strcpy (path, w->path); |
2125 | strcpy (path, w->path); |
2011 | |
2126 | |
… | |
… | |
2256 | clear_pending (EV_A_ (W)w); |
2371 | clear_pending (EV_A_ (W)w); |
2257 | if (expect_false (!ev_is_active (w))) |
2372 | if (expect_false (!ev_is_active (w))) |
2258 | return; |
2373 | return; |
2259 | |
2374 | |
2260 | { |
2375 | { |
2261 | int active = ((W)w)->active; |
2376 | int active = ev_active (w); |
2262 | |
2377 | |
2263 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2378 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2264 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
2379 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2265 | |
2380 | |
2266 | ev_stop (EV_A_ (W)w); |
2381 | ev_stop (EV_A_ (W)w); |
2267 | --idleall; |
2382 | --idleall; |
2268 | } |
2383 | } |
2269 | } |
2384 | } |
… | |
… | |
2286 | clear_pending (EV_A_ (W)w); |
2401 | clear_pending (EV_A_ (W)w); |
2287 | if (expect_false (!ev_is_active (w))) |
2402 | if (expect_false (!ev_is_active (w))) |
2288 | return; |
2403 | return; |
2289 | |
2404 | |
2290 | { |
2405 | { |
2291 | int active = ((W)w)->active; |
2406 | int active = ev_active (w); |
|
|
2407 | |
2292 | prepares [active - 1] = prepares [--preparecnt]; |
2408 | prepares [active - 1] = prepares [--preparecnt]; |
2293 | ((W)prepares [active - 1])->active = active; |
2409 | ev_active (prepares [active - 1]) = active; |
2294 | } |
2410 | } |
2295 | |
2411 | |
2296 | ev_stop (EV_A_ (W)w); |
2412 | ev_stop (EV_A_ (W)w); |
2297 | } |
2413 | } |
2298 | |
2414 | |
… | |
… | |
2313 | clear_pending (EV_A_ (W)w); |
2429 | clear_pending (EV_A_ (W)w); |
2314 | if (expect_false (!ev_is_active (w))) |
2430 | if (expect_false (!ev_is_active (w))) |
2315 | return; |
2431 | return; |
2316 | |
2432 | |
2317 | { |
2433 | { |
2318 | int active = ((W)w)->active; |
2434 | int active = ev_active (w); |
|
|
2435 | |
2319 | checks [active - 1] = checks [--checkcnt]; |
2436 | checks [active - 1] = checks [--checkcnt]; |
2320 | ((W)checks [active - 1])->active = active; |
2437 | ev_active (checks [active - 1]) = active; |
2321 | } |
2438 | } |
2322 | |
2439 | |
2323 | ev_stop (EV_A_ (W)w); |
2440 | ev_stop (EV_A_ (W)w); |
2324 | } |
2441 | } |
2325 | |
2442 | |
… | |
… | |
2421 | clear_pending (EV_A_ (W)w); |
2538 | clear_pending (EV_A_ (W)w); |
2422 | if (expect_false (!ev_is_active (w))) |
2539 | if (expect_false (!ev_is_active (w))) |
2423 | return; |
2540 | return; |
2424 | |
2541 | |
2425 | { |
2542 | { |
2426 | int active = ((W)w)->active; |
2543 | int active = ev_active (w); |
|
|
2544 | |
2427 | forks [active - 1] = forks [--forkcnt]; |
2545 | forks [active - 1] = forks [--forkcnt]; |
2428 | ((W)forks [active - 1])->active = active; |
2546 | ev_active (forks [active - 1]) = active; |
2429 | } |
2547 | } |
2430 | |
2548 | |
2431 | ev_stop (EV_A_ (W)w); |
2549 | ev_stop (EV_A_ (W)w); |
2432 | } |
2550 | } |
2433 | #endif |
2551 | #endif |
… | |
… | |
2452 | clear_pending (EV_A_ (W)w); |
2570 | clear_pending (EV_A_ (W)w); |
2453 | if (expect_false (!ev_is_active (w))) |
2571 | if (expect_false (!ev_is_active (w))) |
2454 | return; |
2572 | return; |
2455 | |
2573 | |
2456 | { |
2574 | { |
2457 | int active = ((W)w)->active; |
2575 | int active = ev_active (w); |
|
|
2576 | |
2458 | asyncs [active - 1] = asyncs [--asynccnt]; |
2577 | asyncs [active - 1] = asyncs [--asynccnt]; |
2459 | ((W)asyncs [active - 1])->active = active; |
2578 | ev_active (asyncs [active - 1]) = active; |
2460 | } |
2579 | } |
2461 | |
2580 | |
2462 | ev_stop (EV_A_ (W)w); |
2581 | ev_stop (EV_A_ (W)w); |
2463 | } |
2582 | } |
2464 | |
2583 | |
2465 | void |
2584 | void |
2466 | ev_async_send (EV_P_ ev_async *w) |
2585 | ev_async_send (EV_P_ ev_async *w) |
2467 | { |
2586 | { |
2468 | w->sent = 1; |
2587 | w->sent = 1; |
2469 | evpipe_write (EV_A_ 0, 1); |
2588 | evpipe_write (EV_A_ &gotasync); |
2470 | } |
2589 | } |
2471 | #endif |
2590 | #endif |
2472 | |
2591 | |
2473 | /*****************************************************************************/ |
2592 | /*****************************************************************************/ |
2474 | |
2593 | |