… | |
… | |
94 | # else |
94 | # else |
95 | # define EV_USE_PORT 0 |
95 | # define EV_USE_PORT 0 |
96 | # endif |
96 | # endif |
97 | # endif |
97 | # endif |
98 | |
98 | |
|
|
99 | # ifndef EV_USE_INOTIFY |
|
|
100 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
|
|
101 | # define EV_USE_INOTIFY 1 |
|
|
102 | # else |
|
|
103 | # define EV_USE_INOTIFY 0 |
|
|
104 | # endif |
|
|
105 | # endif |
|
|
106 | |
99 | #endif |
107 | #endif |
100 | |
108 | |
101 | #include <math.h> |
109 | #include <math.h> |
102 | #include <stdlib.h> |
110 | #include <stdlib.h> |
103 | #include <fcntl.h> |
111 | #include <fcntl.h> |
… | |
… | |
109 | #include <errno.h> |
117 | #include <errno.h> |
110 | #include <sys/types.h> |
118 | #include <sys/types.h> |
111 | #include <time.h> |
119 | #include <time.h> |
112 | |
120 | |
113 | #include <signal.h> |
121 | #include <signal.h> |
|
|
122 | |
|
|
123 | #ifdef EV_H |
|
|
124 | # include EV_H |
|
|
125 | #else |
|
|
126 | # include "ev.h" |
|
|
127 | #endif |
114 | |
128 | |
115 | #ifndef _WIN32 |
129 | #ifndef _WIN32 |
116 | # include <sys/time.h> |
130 | # include <sys/time.h> |
117 | # include <sys/wait.h> |
131 | # include <sys/wait.h> |
118 | # include <unistd.h> |
132 | # include <unistd.h> |
… | |
… | |
156 | |
170 | |
157 | #ifndef EV_USE_PORT |
171 | #ifndef EV_USE_PORT |
158 | # define EV_USE_PORT 0 |
172 | # define EV_USE_PORT 0 |
159 | #endif |
173 | #endif |
160 | |
174 | |
|
|
175 | #ifndef EV_USE_INOTIFY |
|
|
176 | # define EV_USE_INOTIFY 0 |
|
|
177 | #endif |
|
|
178 | |
|
|
179 | #ifndef EV_PID_HASHSIZE |
|
|
180 | # if EV_MINIMAL |
|
|
181 | # define EV_PID_HASHSIZE 1 |
|
|
182 | # else |
|
|
183 | # define EV_PID_HASHSIZE 16 |
|
|
184 | # endif |
|
|
185 | #endif |
|
|
186 | |
|
|
187 | #ifndef EV_INOTIFY_HASHSIZE |
|
|
188 | # if EV_MINIMAL |
|
|
189 | # define EV_INOTIFY_HASHSIZE 1 |
|
|
190 | # else |
|
|
191 | # define EV_INOTIFY_HASHSIZE 16 |
|
|
192 | # endif |
|
|
193 | #endif |
|
|
194 | |
161 | /**/ |
195 | /**/ |
162 | |
196 | |
163 | #ifndef CLOCK_MONOTONIC |
197 | #ifndef CLOCK_MONOTONIC |
164 | # undef EV_USE_MONOTONIC |
198 | # undef EV_USE_MONOTONIC |
165 | # define EV_USE_MONOTONIC 0 |
199 | # define EV_USE_MONOTONIC 0 |
… | |
… | |
172 | |
206 | |
173 | #if EV_SELECT_IS_WINSOCKET |
207 | #if EV_SELECT_IS_WINSOCKET |
174 | # include <winsock.h> |
208 | # include <winsock.h> |
175 | #endif |
209 | #endif |
176 | |
210 | |
|
|
211 | #if !EV_STAT_ENABLE |
|
|
212 | # define EV_USE_INOTIFY 0 |
|
|
213 | #endif |
|
|
214 | |
|
|
215 | #if EV_USE_INOTIFY |
|
|
216 | # include <sys/inotify.h> |
|
|
217 | #endif |
|
|
218 | |
177 | /**/ |
219 | /**/ |
178 | |
220 | |
179 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
221 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
180 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
222 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
181 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
|
|
182 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
223 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
183 | |
|
|
184 | #ifdef EV_H |
|
|
185 | # include EV_H |
|
|
186 | #else |
|
|
187 | # include "ev.h" |
|
|
188 | #endif |
|
|
189 | |
224 | |
190 | #if __GNUC__ >= 3 |
225 | #if __GNUC__ >= 3 |
191 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
226 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
192 | # define inline_size static inline /* inline for codesize */ |
227 | # define inline_size static inline /* inline for codesize */ |
193 | # if EV_MINIMAL |
228 | # if EV_MINIMAL |
… | |
… | |
206 | |
241 | |
207 | #define expect_false(expr) expect ((expr) != 0, 0) |
242 | #define expect_false(expr) expect ((expr) != 0, 0) |
208 | #define expect_true(expr) expect ((expr) != 0, 1) |
243 | #define expect_true(expr) expect ((expr) != 0, 1) |
209 | |
244 | |
210 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
245 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
211 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
246 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
212 | |
247 | |
213 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
248 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
214 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
249 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
215 | |
250 | |
216 | typedef ev_watcher *W; |
251 | typedef ev_watcher *W; |
217 | typedef ev_watcher_list *WL; |
252 | typedef ev_watcher_list *WL; |
218 | typedef ev_watcher_time *WT; |
253 | typedef ev_watcher_time *WT; |
… | |
… | |
254 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
289 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
255 | { |
290 | { |
256 | alloc = cb; |
291 | alloc = cb; |
257 | } |
292 | } |
258 | |
293 | |
259 | static void * |
294 | inline_speed void * |
260 | ev_realloc (void *ptr, long size) |
295 | ev_realloc (void *ptr, long size) |
261 | { |
296 | { |
262 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
297 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
263 | |
298 | |
264 | if (!ptr && size) |
299 | if (!ptr && size) |
… | |
… | |
288 | typedef struct |
323 | typedef struct |
289 | { |
324 | { |
290 | W w; |
325 | W w; |
291 | int events; |
326 | int events; |
292 | } ANPENDING; |
327 | } ANPENDING; |
|
|
328 | |
|
|
329 | #if EV_USE_INOTIFY |
|
|
330 | typedef struct |
|
|
331 | { |
|
|
332 | WL head; |
|
|
333 | } ANFS; |
|
|
334 | #endif |
293 | |
335 | |
294 | #if EV_MULTIPLICITY |
336 | #if EV_MULTIPLICITY |
295 | |
337 | |
296 | struct ev_loop |
338 | struct ev_loop |
297 | { |
339 | { |
… | |
… | |
354 | { |
396 | { |
355 | return ev_rt_now; |
397 | return ev_rt_now; |
356 | } |
398 | } |
357 | #endif |
399 | #endif |
358 | |
400 | |
359 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
401 | int inline_size |
|
|
402 | array_nextsize (int elem, int cur, int cnt) |
|
|
403 | { |
|
|
404 | int ncur = cur + 1; |
|
|
405 | |
|
|
406 | do |
|
|
407 | ncur <<= 1; |
|
|
408 | while (cnt > ncur); |
|
|
409 | |
|
|
410 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
|
|
411 | if (elem * ncur > 4096) |
|
|
412 | { |
|
|
413 | ncur *= elem; |
|
|
414 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
|
|
415 | ncur = ncur - sizeof (void *) * 4; |
|
|
416 | ncur /= elem; |
|
|
417 | } |
|
|
418 | |
|
|
419 | return ncur; |
|
|
420 | } |
|
|
421 | |
|
|
422 | inline_speed void * |
|
|
423 | array_realloc (int elem, void *base, int *cur, int cnt) |
|
|
424 | { |
|
|
425 | *cur = array_nextsize (elem, *cur, cnt); |
|
|
426 | return ev_realloc (base, elem * *cur); |
|
|
427 | } |
360 | |
428 | |
361 | #define array_needsize(type,base,cur,cnt,init) \ |
429 | #define array_needsize(type,base,cur,cnt,init) \ |
362 | if (expect_false ((cnt) > cur)) \ |
430 | if (expect_false ((cnt) > (cur))) \ |
363 | { \ |
431 | { \ |
364 | int newcnt = cur; \ |
432 | int ocur_ = (cur); \ |
365 | do \ |
433 | (base) = (type *)array_realloc \ |
366 | { \ |
434 | (sizeof (type), (base), &(cur), (cnt)); \ |
367 | newcnt = array_roundsize (type, newcnt << 1); \ |
435 | init ((base) + (ocur_), (cur) - ocur_); \ |
368 | } \ |
|
|
369 | while ((cnt) > newcnt); \ |
|
|
370 | \ |
|
|
371 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
|
|
372 | init (base + cur, newcnt - cur); \ |
|
|
373 | cur = newcnt; \ |
|
|
374 | } |
436 | } |
375 | |
437 | |
|
|
438 | #if 0 |
376 | #define array_slim(type,stem) \ |
439 | #define array_slim(type,stem) \ |
377 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
440 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
378 | { \ |
441 | { \ |
379 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
442 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
380 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
443 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
381 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
444 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
382 | } |
445 | } |
|
|
446 | #endif |
383 | |
447 | |
384 | #define array_free(stem, idx) \ |
448 | #define array_free(stem, idx) \ |
385 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
449 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
386 | |
450 | |
387 | /*****************************************************************************/ |
451 | /*****************************************************************************/ |
… | |
… | |
547 | static void noinline |
611 | static void noinline |
548 | fd_rearm_all (EV_P) |
612 | fd_rearm_all (EV_P) |
549 | { |
613 | { |
550 | int fd; |
614 | int fd; |
551 | |
615 | |
552 | /* this should be highly optimised to not do anything but set a flag */ |
|
|
553 | for (fd = 0; fd < anfdmax; ++fd) |
616 | for (fd = 0; fd < anfdmax; ++fd) |
554 | if (anfds [fd].events) |
617 | if (anfds [fd].events) |
555 | { |
618 | { |
556 | anfds [fd].events = 0; |
619 | anfds [fd].events = 0; |
557 | fd_change (EV_A_ fd); |
620 | fd_change (EV_A_ fd); |
… | |
… | |
709 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
772 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
710 | } |
773 | } |
711 | |
774 | |
712 | /*****************************************************************************/ |
775 | /*****************************************************************************/ |
713 | |
776 | |
714 | static ev_child *childs [PID_HASHSIZE]; |
777 | static ev_child *childs [EV_PID_HASHSIZE]; |
715 | |
778 | |
716 | #ifndef _WIN32 |
779 | #ifndef _WIN32 |
717 | |
780 | |
718 | static ev_signal childev; |
781 | static ev_signal childev; |
719 | |
782 | |
720 | void inline_speed |
783 | void inline_speed |
721 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
784 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
722 | { |
785 | { |
723 | ev_child *w; |
786 | ev_child *w; |
724 | |
787 | |
725 | for (w = (ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
788 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
726 | if (w->pid == pid || !w->pid) |
789 | if (w->pid == pid || !w->pid) |
727 | { |
790 | { |
728 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
791 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
729 | w->rpid = pid; |
792 | w->rpid = pid; |
730 | w->rstatus = status; |
793 | w->rstatus = status; |
731 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
794 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
732 | } |
795 | } |
733 | } |
796 | } |
734 | |
797 | |
735 | #ifndef WCONTINUED |
798 | #ifndef WCONTINUED |
… | |
… | |
751 | /* make sure we are called again until all childs have been reaped */ |
814 | /* make sure we are called again until all childs have been reaped */ |
752 | /* we need to do it this way so that the callback gets called before we continue */ |
815 | /* we need to do it this way so that the callback gets called before we continue */ |
753 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
816 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
754 | |
817 | |
755 | child_reap (EV_A_ sw, pid, pid, status); |
818 | child_reap (EV_A_ sw, pid, pid, status); |
|
|
819 | if (EV_PID_HASHSIZE > 1) |
756 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
820 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
757 | } |
821 | } |
758 | |
822 | |
759 | #endif |
823 | #endif |
760 | |
824 | |
761 | /*****************************************************************************/ |
825 | /*****************************************************************************/ |
… | |
… | |
844 | ev_backend (EV_P) |
908 | ev_backend (EV_P) |
845 | { |
909 | { |
846 | return backend; |
910 | return backend; |
847 | } |
911 | } |
848 | |
912 | |
849 | static void |
913 | unsigned int |
|
|
914 | ev_loop_count (EV_P) |
|
|
915 | { |
|
|
916 | return loop_count; |
|
|
917 | } |
|
|
918 | |
|
|
919 | static void noinline |
850 | loop_init (EV_P_ unsigned int flags) |
920 | loop_init (EV_P_ unsigned int flags) |
851 | { |
921 | { |
852 | if (!backend) |
922 | if (!backend) |
853 | { |
923 | { |
854 | #if EV_USE_MONOTONIC |
924 | #if EV_USE_MONOTONIC |
… | |
… | |
862 | ev_rt_now = ev_time (); |
932 | ev_rt_now = ev_time (); |
863 | mn_now = get_clock (); |
933 | mn_now = get_clock (); |
864 | now_floor = mn_now; |
934 | now_floor = mn_now; |
865 | rtmn_diff = ev_rt_now - mn_now; |
935 | rtmn_diff = ev_rt_now - mn_now; |
866 | |
936 | |
|
|
937 | /* pid check not overridable via env */ |
|
|
938 | #ifndef _WIN32 |
|
|
939 | if (flags & EVFLAG_FORKCHECK) |
|
|
940 | curpid = getpid (); |
|
|
941 | #endif |
|
|
942 | |
867 | if (!(flags & EVFLAG_NOENV) |
943 | if (!(flags & EVFLAG_NOENV) |
868 | && !enable_secure () |
944 | && !enable_secure () |
869 | && getenv ("LIBEV_FLAGS")) |
945 | && getenv ("LIBEV_FLAGS")) |
870 | flags = atoi (getenv ("LIBEV_FLAGS")); |
946 | flags = atoi (getenv ("LIBEV_FLAGS")); |
871 | |
947 | |
872 | if (!(flags & 0x0000ffffUL)) |
948 | if (!(flags & 0x0000ffffUL)) |
873 | flags |= ev_recommended_backends (); |
949 | flags |= ev_recommended_backends (); |
874 | |
950 | |
875 | backend = 0; |
951 | backend = 0; |
|
|
952 | backend_fd = -1; |
|
|
953 | #if EV_USE_INOTIFY |
|
|
954 | fs_fd = -2; |
|
|
955 | #endif |
|
|
956 | |
876 | #if EV_USE_PORT |
957 | #if EV_USE_PORT |
877 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
958 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
878 | #endif |
959 | #endif |
879 | #if EV_USE_KQUEUE |
960 | #if EV_USE_KQUEUE |
880 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
961 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
892 | ev_init (&sigev, sigcb); |
973 | ev_init (&sigev, sigcb); |
893 | ev_set_priority (&sigev, EV_MAXPRI); |
974 | ev_set_priority (&sigev, EV_MAXPRI); |
894 | } |
975 | } |
895 | } |
976 | } |
896 | |
977 | |
897 | static void |
978 | static void noinline |
898 | loop_destroy (EV_P) |
979 | loop_destroy (EV_P) |
899 | { |
980 | { |
900 | int i; |
981 | int i; |
|
|
982 | |
|
|
983 | #if EV_USE_INOTIFY |
|
|
984 | if (fs_fd >= 0) |
|
|
985 | close (fs_fd); |
|
|
986 | #endif |
|
|
987 | |
|
|
988 | if (backend_fd >= 0) |
|
|
989 | close (backend_fd); |
901 | |
990 | |
902 | #if EV_USE_PORT |
991 | #if EV_USE_PORT |
903 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
992 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
904 | #endif |
993 | #endif |
905 | #if EV_USE_KQUEUE |
994 | #if EV_USE_KQUEUE |
… | |
… | |
914 | #if EV_USE_SELECT |
1003 | #if EV_USE_SELECT |
915 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
1004 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
916 | #endif |
1005 | #endif |
917 | |
1006 | |
918 | for (i = NUMPRI; i--; ) |
1007 | for (i = NUMPRI; i--; ) |
|
|
1008 | { |
919 | array_free (pending, [i]); |
1009 | array_free (pending, [i]); |
|
|
1010 | #if EV_IDLE_ENABLE |
|
|
1011 | array_free (idle, [i]); |
|
|
1012 | #endif |
|
|
1013 | } |
920 | |
1014 | |
921 | /* have to use the microsoft-never-gets-it-right macro */ |
1015 | /* have to use the microsoft-never-gets-it-right macro */ |
922 | array_free (fdchange, EMPTY0); |
1016 | array_free (fdchange, EMPTY); |
923 | array_free (timer, EMPTY0); |
1017 | array_free (timer, EMPTY); |
924 | #if EV_PERIODIC_ENABLE |
1018 | #if EV_PERIODIC_ENABLE |
925 | array_free (periodic, EMPTY0); |
1019 | array_free (periodic, EMPTY); |
926 | #endif |
1020 | #endif |
927 | array_free (idle, EMPTY0); |
|
|
928 | array_free (prepare, EMPTY0); |
1021 | array_free (prepare, EMPTY); |
929 | array_free (check, EMPTY0); |
1022 | array_free (check, EMPTY); |
930 | |
1023 | |
931 | backend = 0; |
1024 | backend = 0; |
932 | } |
1025 | } |
933 | |
1026 | |
934 | static void |
1027 | void inline_size infy_fork (EV_P); |
|
|
1028 | |
|
|
1029 | void inline_size |
935 | loop_fork (EV_P) |
1030 | loop_fork (EV_P) |
936 | { |
1031 | { |
937 | #if EV_USE_PORT |
1032 | #if EV_USE_PORT |
938 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1033 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
939 | #endif |
1034 | #endif |
940 | #if EV_USE_KQUEUE |
1035 | #if EV_USE_KQUEUE |
941 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
1036 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
942 | #endif |
1037 | #endif |
943 | #if EV_USE_EPOLL |
1038 | #if EV_USE_EPOLL |
944 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
1039 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
|
|
1040 | #endif |
|
|
1041 | #if EV_USE_INOTIFY |
|
|
1042 | infy_fork (EV_A); |
945 | #endif |
1043 | #endif |
946 | |
1044 | |
947 | if (ev_is_active (&sigev)) |
1045 | if (ev_is_active (&sigev)) |
948 | { |
1046 | { |
949 | /* default loop */ |
1047 | /* default loop */ |
… | |
… | |
1065 | postfork = 1; |
1163 | postfork = 1; |
1066 | } |
1164 | } |
1067 | |
1165 | |
1068 | /*****************************************************************************/ |
1166 | /*****************************************************************************/ |
1069 | |
1167 | |
1070 | int inline_size |
|
|
1071 | any_pending (EV_P) |
|
|
1072 | { |
|
|
1073 | int pri; |
|
|
1074 | |
|
|
1075 | for (pri = NUMPRI; pri--; ) |
|
|
1076 | if (pendingcnt [pri]) |
|
|
1077 | return 1; |
|
|
1078 | |
|
|
1079 | return 0; |
|
|
1080 | } |
|
|
1081 | |
|
|
1082 | void inline_speed |
1168 | void inline_speed |
1083 | call_pending (EV_P) |
1169 | call_pending (EV_P) |
1084 | { |
1170 | { |
1085 | int pri; |
1171 | int pri; |
1086 | |
1172 | |
… | |
… | |
1089 | { |
1175 | { |
1090 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1176 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1091 | |
1177 | |
1092 | if (expect_true (p->w)) |
1178 | if (expect_true (p->w)) |
1093 | { |
1179 | { |
1094 | assert (("non-pending watcher on pending list", p->w->pending)); |
1180 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1095 | |
1181 | |
1096 | p->w->pending = 0; |
1182 | p->w->pending = 0; |
1097 | EV_CB_INVOKE (p->w, p->events); |
1183 | EV_CB_INVOKE (p->w, p->events); |
1098 | } |
1184 | } |
1099 | } |
1185 | } |
… | |
… | |
1104 | { |
1190 | { |
1105 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1191 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1106 | { |
1192 | { |
1107 | ev_timer *w = timers [0]; |
1193 | ev_timer *w = timers [0]; |
1108 | |
1194 | |
1109 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1195 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1110 | |
1196 | |
1111 | /* first reschedule or stop timer */ |
1197 | /* first reschedule or stop timer */ |
1112 | if (w->repeat) |
1198 | if (w->repeat) |
1113 | { |
1199 | { |
1114 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1200 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
… | |
… | |
1132 | { |
1218 | { |
1133 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1219 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1134 | { |
1220 | { |
1135 | ev_periodic *w = periodics [0]; |
1221 | ev_periodic *w = periodics [0]; |
1136 | |
1222 | |
1137 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1223 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1138 | |
1224 | |
1139 | /* first reschedule or stop timer */ |
1225 | /* first reschedule or stop timer */ |
1140 | if (w->reschedule_cb) |
1226 | if (w->reschedule_cb) |
1141 | { |
1227 | { |
1142 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1228 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
… | |
… | |
1176 | for (i = periodiccnt >> 1; i--; ) |
1262 | for (i = periodiccnt >> 1; i--; ) |
1177 | downheap ((WT *)periodics, periodiccnt, i); |
1263 | downheap ((WT *)periodics, periodiccnt, i); |
1178 | } |
1264 | } |
1179 | #endif |
1265 | #endif |
1180 | |
1266 | |
|
|
1267 | #if EV_IDLE_ENABLE |
|
|
1268 | void inline_size |
|
|
1269 | idle_reify (EV_P) |
|
|
1270 | { |
|
|
1271 | if (expect_false (idleall)) |
|
|
1272 | { |
|
|
1273 | int pri; |
|
|
1274 | |
|
|
1275 | for (pri = NUMPRI; pri--; ) |
|
|
1276 | { |
|
|
1277 | if (pendingcnt [pri]) |
|
|
1278 | break; |
|
|
1279 | |
|
|
1280 | if (idlecnt [pri]) |
|
|
1281 | { |
|
|
1282 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
|
|
1283 | break; |
|
|
1284 | } |
|
|
1285 | } |
|
|
1286 | } |
|
|
1287 | } |
|
|
1288 | #endif |
|
|
1289 | |
1181 | int inline_size |
1290 | int inline_size |
1182 | time_update_monotonic (EV_P) |
1291 | time_update_monotonic (EV_P) |
1183 | { |
1292 | { |
1184 | mn_now = get_clock (); |
1293 | mn_now = get_clock (); |
1185 | |
1294 | |
… | |
… | |
1209 | ev_tstamp odiff = rtmn_diff; |
1318 | ev_tstamp odiff = rtmn_diff; |
1210 | |
1319 | |
1211 | /* loop a few times, before making important decisions. |
1320 | /* loop a few times, before making important decisions. |
1212 | * on the choice of "4": one iteration isn't enough, |
1321 | * on the choice of "4": one iteration isn't enough, |
1213 | * in case we get preempted during the calls to |
1322 | * in case we get preempted during the calls to |
1214 | * ev_time and get_clock. a second call is almost guarenteed |
1323 | * ev_time and get_clock. a second call is almost guaranteed |
1215 | * to succeed in that case, though. and looping a few more times |
1324 | * to succeed in that case, though. and looping a few more times |
1216 | * doesn't hurt either as we only do this on time-jumps or |
1325 | * doesn't hurt either as we only do this on time-jumps or |
1217 | * in the unlikely event of getting preempted here. |
1326 | * in the unlikely event of having been preempted here. |
1218 | */ |
1327 | */ |
1219 | for (i = 4; --i; ) |
1328 | for (i = 4; --i; ) |
1220 | { |
1329 | { |
1221 | rtmn_diff = ev_rt_now - mn_now; |
1330 | rtmn_diff = ev_rt_now - mn_now; |
1222 | |
1331 | |
… | |
… | |
1244 | { |
1353 | { |
1245 | #if EV_PERIODIC_ENABLE |
1354 | #if EV_PERIODIC_ENABLE |
1246 | periodics_reschedule (EV_A); |
1355 | periodics_reschedule (EV_A); |
1247 | #endif |
1356 | #endif |
1248 | |
1357 | |
1249 | /* adjust timers. this is easy, as the offset is the same for all */ |
1358 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1250 | for (i = 0; i < timercnt; ++i) |
1359 | for (i = 0; i < timercnt; ++i) |
1251 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1360 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1252 | } |
1361 | } |
1253 | |
1362 | |
1254 | mn_now = ev_rt_now; |
1363 | mn_now = ev_rt_now; |
… | |
… | |
1274 | { |
1383 | { |
1275 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1384 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1276 | ? EVUNLOOP_ONE |
1385 | ? EVUNLOOP_ONE |
1277 | : EVUNLOOP_CANCEL; |
1386 | : EVUNLOOP_CANCEL; |
1278 | |
1387 | |
1279 | while (activecnt) |
1388 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
|
|
1389 | |
|
|
1390 | do |
1280 | { |
1391 | { |
|
|
1392 | #ifndef _WIN32 |
|
|
1393 | if (expect_false (curpid)) /* penalise the forking check even more */ |
|
|
1394 | if (expect_false (getpid () != curpid)) |
|
|
1395 | { |
|
|
1396 | curpid = getpid (); |
|
|
1397 | postfork = 1; |
|
|
1398 | } |
|
|
1399 | #endif |
|
|
1400 | |
|
|
1401 | #if EV_FORK_ENABLE |
|
|
1402 | /* we might have forked, so queue fork handlers */ |
|
|
1403 | if (expect_false (postfork)) |
|
|
1404 | if (forkcnt) |
|
|
1405 | { |
|
|
1406 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
|
|
1407 | call_pending (EV_A); |
|
|
1408 | } |
|
|
1409 | #endif |
|
|
1410 | |
1281 | /* queue check watchers (and execute them) */ |
1411 | /* queue check watchers (and execute them) */ |
1282 | if (expect_false (preparecnt)) |
1412 | if (expect_false (preparecnt)) |
1283 | { |
1413 | { |
1284 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1414 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1285 | call_pending (EV_A); |
1415 | call_pending (EV_A); |
1286 | } |
1416 | } |
1287 | |
1417 | |
|
|
1418 | if (expect_false (!activecnt)) |
|
|
1419 | break; |
|
|
1420 | |
1288 | /* we might have forked, so reify kernel state if necessary */ |
1421 | /* we might have forked, so reify kernel state if necessary */ |
1289 | if (expect_false (postfork)) |
1422 | if (expect_false (postfork)) |
1290 | loop_fork (EV_A); |
1423 | loop_fork (EV_A); |
1291 | |
1424 | |
1292 | /* update fd-related kernel structures */ |
1425 | /* update fd-related kernel structures */ |
1293 | fd_reify (EV_A); |
1426 | fd_reify (EV_A); |
1294 | |
1427 | |
1295 | /* calculate blocking time */ |
1428 | /* calculate blocking time */ |
1296 | { |
1429 | { |
1297 | double block; |
1430 | ev_tstamp block; |
1298 | |
1431 | |
1299 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1432 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
1300 | block = 0.; /* do not block at all */ |
1433 | block = 0.; /* do not block at all */ |
1301 | else |
1434 | else |
1302 | { |
1435 | { |
1303 | /* update time to cancel out callback processing overhead */ |
1436 | /* update time to cancel out callback processing overhead */ |
1304 | #if EV_USE_MONOTONIC |
1437 | #if EV_USE_MONOTONIC |
… | |
… | |
1328 | #endif |
1461 | #endif |
1329 | |
1462 | |
1330 | if (expect_false (block < 0.)) block = 0.; |
1463 | if (expect_false (block < 0.)) block = 0.; |
1331 | } |
1464 | } |
1332 | |
1465 | |
|
|
1466 | ++loop_count; |
1333 | backend_poll (EV_A_ block); |
1467 | backend_poll (EV_A_ block); |
1334 | } |
1468 | } |
1335 | |
1469 | |
1336 | /* update ev_rt_now, do magic */ |
1470 | /* update ev_rt_now, do magic */ |
1337 | time_update (EV_A); |
1471 | time_update (EV_A); |
… | |
… | |
1340 | timers_reify (EV_A); /* relative timers called last */ |
1474 | timers_reify (EV_A); /* relative timers called last */ |
1341 | #if EV_PERIODIC_ENABLE |
1475 | #if EV_PERIODIC_ENABLE |
1342 | periodics_reify (EV_A); /* absolute timers called first */ |
1476 | periodics_reify (EV_A); /* absolute timers called first */ |
1343 | #endif |
1477 | #endif |
1344 | |
1478 | |
|
|
1479 | #if EV_IDLE_ENABLE |
1345 | /* queue idle watchers unless other events are pending */ |
1480 | /* queue idle watchers unless other events are pending */ |
1346 | if (idlecnt && !any_pending (EV_A)) |
1481 | idle_reify (EV_A); |
1347 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1482 | #endif |
1348 | |
1483 | |
1349 | /* queue check watchers, to be executed first */ |
1484 | /* queue check watchers, to be executed first */ |
1350 | if (expect_false (checkcnt)) |
1485 | if (expect_false (checkcnt)) |
1351 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1486 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1352 | |
1487 | |
1353 | call_pending (EV_A); |
1488 | call_pending (EV_A); |
1354 | |
1489 | |
1355 | if (expect_false (loop_done)) |
|
|
1356 | break; |
|
|
1357 | } |
1490 | } |
|
|
1491 | while (expect_true (activecnt && !loop_done)); |
1358 | |
1492 | |
1359 | if (loop_done == EVUNLOOP_ONE) |
1493 | if (loop_done == EVUNLOOP_ONE) |
1360 | loop_done = EVUNLOOP_CANCEL; |
1494 | loop_done = EVUNLOOP_CANCEL; |
1361 | } |
1495 | } |
1362 | |
1496 | |
… | |
… | |
1389 | head = &(*head)->next; |
1523 | head = &(*head)->next; |
1390 | } |
1524 | } |
1391 | } |
1525 | } |
1392 | |
1526 | |
1393 | void inline_speed |
1527 | void inline_speed |
1394 | ev_clear_pending (EV_P_ W w) |
1528 | clear_pending (EV_P_ W w) |
1395 | { |
1529 | { |
1396 | if (w->pending) |
1530 | if (w->pending) |
1397 | { |
1531 | { |
1398 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1532 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1399 | w->pending = 0; |
1533 | w->pending = 0; |
1400 | } |
1534 | } |
1401 | } |
1535 | } |
1402 | |
1536 | |
|
|
1537 | void |
|
|
1538 | ev_clear_pending (EV_P_ void *w, int invoke) |
|
|
1539 | { |
|
|
1540 | W w_ = (W)w; |
|
|
1541 | int pending = w_->pending; |
|
|
1542 | |
|
|
1543 | if (pending) |
|
|
1544 | { |
|
|
1545 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1546 | |
|
|
1547 | w_->pending = 0; |
|
|
1548 | p->w = 0; |
|
|
1549 | |
|
|
1550 | if (invoke) |
|
|
1551 | EV_CB_INVOKE (w_, p->events); |
|
|
1552 | } |
|
|
1553 | } |
|
|
1554 | |
|
|
1555 | void inline_size |
|
|
1556 | pri_adjust (EV_P_ W w) |
|
|
1557 | { |
|
|
1558 | int pri = w->priority; |
|
|
1559 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
|
|
1560 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
|
|
1561 | w->priority = pri; |
|
|
1562 | } |
|
|
1563 | |
1403 | void inline_speed |
1564 | void inline_speed |
1404 | ev_start (EV_P_ W w, int active) |
1565 | ev_start (EV_P_ W w, int active) |
1405 | { |
1566 | { |
1406 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1567 | pri_adjust (EV_A_ w); |
1407 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
|
|
1408 | |
|
|
1409 | w->active = active; |
1568 | w->active = active; |
1410 | ev_ref (EV_A); |
1569 | ev_ref (EV_A); |
1411 | } |
1570 | } |
1412 | |
1571 | |
1413 | void inline_size |
1572 | void inline_size |
… | |
… | |
1437 | } |
1596 | } |
1438 | |
1597 | |
1439 | void |
1598 | void |
1440 | ev_io_stop (EV_P_ ev_io *w) |
1599 | ev_io_stop (EV_P_ ev_io *w) |
1441 | { |
1600 | { |
1442 | ev_clear_pending (EV_A_ (W)w); |
1601 | clear_pending (EV_A_ (W)w); |
1443 | if (expect_false (!ev_is_active (w))) |
1602 | if (expect_false (!ev_is_active (w))) |
1444 | return; |
1603 | return; |
1445 | |
1604 | |
1446 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1605 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1447 | |
1606 | |
… | |
… | |
1464 | ev_start (EV_A_ (W)w, ++timercnt); |
1623 | ev_start (EV_A_ (W)w, ++timercnt); |
1465 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1624 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1466 | timers [timercnt - 1] = w; |
1625 | timers [timercnt - 1] = w; |
1467 | upheap ((WT *)timers, timercnt - 1); |
1626 | upheap ((WT *)timers, timercnt - 1); |
1468 | |
1627 | |
|
|
1628 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
|
|
1629 | } |
|
|
1630 | |
|
|
1631 | void |
|
|
1632 | ev_timer_stop (EV_P_ ev_timer *w) |
|
|
1633 | { |
|
|
1634 | clear_pending (EV_A_ (W)w); |
|
|
1635 | if (expect_false (!ev_is_active (w))) |
|
|
1636 | return; |
|
|
1637 | |
1469 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1638 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1470 | } |
|
|
1471 | |
1639 | |
1472 | void |
1640 | { |
1473 | ev_timer_stop (EV_P_ ev_timer *w) |
1641 | int active = ((W)w)->active; |
1474 | { |
|
|
1475 | ev_clear_pending (EV_A_ (W)w); |
|
|
1476 | if (expect_false (!ev_is_active (w))) |
|
|
1477 | return; |
|
|
1478 | |
1642 | |
1479 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
|
|
1480 | |
|
|
1481 | if (expect_true (((W)w)->active < timercnt--)) |
1643 | if (expect_true (--active < --timercnt)) |
1482 | { |
1644 | { |
1483 | timers [((W)w)->active - 1] = timers [timercnt]; |
1645 | timers [active] = timers [timercnt]; |
1484 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1646 | adjustheap ((WT *)timers, timercnt, active); |
1485 | } |
1647 | } |
|
|
1648 | } |
1486 | |
1649 | |
1487 | ((WT)w)->at -= mn_now; |
1650 | ((WT)w)->at -= mn_now; |
1488 | |
1651 | |
1489 | ev_stop (EV_A_ (W)w); |
1652 | ev_stop (EV_A_ (W)w); |
1490 | } |
1653 | } |
… | |
… | |
1528 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1691 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1529 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1692 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1530 | periodics [periodiccnt - 1] = w; |
1693 | periodics [periodiccnt - 1] = w; |
1531 | upheap ((WT *)periodics, periodiccnt - 1); |
1694 | upheap ((WT *)periodics, periodiccnt - 1); |
1532 | |
1695 | |
|
|
1696 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
|
|
1697 | } |
|
|
1698 | |
|
|
1699 | void |
|
|
1700 | ev_periodic_stop (EV_P_ ev_periodic *w) |
|
|
1701 | { |
|
|
1702 | clear_pending (EV_A_ (W)w); |
|
|
1703 | if (expect_false (!ev_is_active (w))) |
|
|
1704 | return; |
|
|
1705 | |
1533 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1706 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1534 | } |
|
|
1535 | |
1707 | |
1536 | void |
1708 | { |
1537 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1709 | int active = ((W)w)->active; |
1538 | { |
|
|
1539 | ev_clear_pending (EV_A_ (W)w); |
|
|
1540 | if (expect_false (!ev_is_active (w))) |
|
|
1541 | return; |
|
|
1542 | |
1710 | |
1543 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
|
|
1544 | |
|
|
1545 | if (expect_true (((W)w)->active < periodiccnt--)) |
1711 | if (expect_true (--active < --periodiccnt)) |
1546 | { |
1712 | { |
1547 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1713 | periodics [active] = periodics [periodiccnt]; |
1548 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1714 | adjustheap ((WT *)periodics, periodiccnt, active); |
1549 | } |
1715 | } |
|
|
1716 | } |
1550 | |
1717 | |
1551 | ev_stop (EV_A_ (W)w); |
1718 | ev_stop (EV_A_ (W)w); |
1552 | } |
1719 | } |
1553 | |
1720 | |
1554 | void |
1721 | void |
… | |
… | |
1594 | } |
1761 | } |
1595 | |
1762 | |
1596 | void |
1763 | void |
1597 | ev_signal_stop (EV_P_ ev_signal *w) |
1764 | ev_signal_stop (EV_P_ ev_signal *w) |
1598 | { |
1765 | { |
1599 | ev_clear_pending (EV_A_ (W)w); |
1766 | clear_pending (EV_A_ (W)w); |
1600 | if (expect_false (!ev_is_active (w))) |
1767 | if (expect_false (!ev_is_active (w))) |
1601 | return; |
1768 | return; |
1602 | |
1769 | |
1603 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1770 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1604 | ev_stop (EV_A_ (W)w); |
1771 | ev_stop (EV_A_ (W)w); |
… | |
… | |
1615 | #endif |
1782 | #endif |
1616 | if (expect_false (ev_is_active (w))) |
1783 | if (expect_false (ev_is_active (w))) |
1617 | return; |
1784 | return; |
1618 | |
1785 | |
1619 | ev_start (EV_A_ (W)w, 1); |
1786 | ev_start (EV_A_ (W)w, 1); |
1620 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1787 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1621 | } |
1788 | } |
1622 | |
1789 | |
1623 | void |
1790 | void |
1624 | ev_child_stop (EV_P_ ev_child *w) |
1791 | ev_child_stop (EV_P_ ev_child *w) |
1625 | { |
1792 | { |
1626 | ev_clear_pending (EV_A_ (W)w); |
1793 | clear_pending (EV_A_ (W)w); |
1627 | if (expect_false (!ev_is_active (w))) |
1794 | if (expect_false (!ev_is_active (w))) |
1628 | return; |
1795 | return; |
1629 | |
1796 | |
1630 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1797 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1631 | ev_stop (EV_A_ (W)w); |
1798 | ev_stop (EV_A_ (W)w); |
1632 | } |
1799 | } |
1633 | |
1800 | |
1634 | #if EV_STAT_ENABLE |
1801 | #if EV_STAT_ENABLE |
1635 | |
1802 | |
… | |
… | |
1639 | # endif |
1806 | # endif |
1640 | |
1807 | |
1641 | #define DEF_STAT_INTERVAL 5.0074891 |
1808 | #define DEF_STAT_INTERVAL 5.0074891 |
1642 | #define MIN_STAT_INTERVAL 0.1074891 |
1809 | #define MIN_STAT_INTERVAL 0.1074891 |
1643 | |
1810 | |
|
|
1811 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
|
|
1812 | |
|
|
1813 | #if EV_USE_INOTIFY |
|
|
1814 | # define EV_INOTIFY_BUFSIZE 8192 |
|
|
1815 | |
|
|
1816 | static void noinline |
|
|
1817 | infy_add (EV_P_ ev_stat *w) |
|
|
1818 | { |
|
|
1819 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
|
|
1820 | |
|
|
1821 | if (w->wd < 0) |
|
|
1822 | { |
|
|
1823 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
1824 | |
|
|
1825 | /* monitor some parent directory for speedup hints */ |
|
|
1826 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
|
|
1827 | { |
|
|
1828 | char path [4096]; |
|
|
1829 | strcpy (path, w->path); |
|
|
1830 | |
|
|
1831 | do |
|
|
1832 | { |
|
|
1833 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
|
|
1834 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
|
|
1835 | |
|
|
1836 | char *pend = strrchr (path, '/'); |
|
|
1837 | |
|
|
1838 | if (!pend) |
|
|
1839 | break; /* whoops, no '/', complain to your admin */ |
|
|
1840 | |
|
|
1841 | *pend = 0; |
|
|
1842 | w->wd = inotify_add_watch (fs_fd, path, mask); |
|
|
1843 | } |
|
|
1844 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
|
|
1845 | } |
|
|
1846 | } |
|
|
1847 | else |
|
|
1848 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
1849 | |
|
|
1850 | if (w->wd >= 0) |
|
|
1851 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
1852 | } |
|
|
1853 | |
|
|
1854 | static void noinline |
|
|
1855 | infy_del (EV_P_ ev_stat *w) |
|
|
1856 | { |
|
|
1857 | int slot; |
|
|
1858 | int wd = w->wd; |
|
|
1859 | |
|
|
1860 | if (wd < 0) |
|
|
1861 | return; |
|
|
1862 | |
|
|
1863 | w->wd = -2; |
|
|
1864 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
|
|
1865 | wlist_del (&fs_hash [slot].head, (WL)w); |
|
|
1866 | |
|
|
1867 | /* remove this watcher, if others are watching it, they will rearm */ |
|
|
1868 | inotify_rm_watch (fs_fd, wd); |
|
|
1869 | } |
|
|
1870 | |
|
|
1871 | static void noinline |
|
|
1872 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
|
|
1873 | { |
|
|
1874 | if (slot < 0) |
|
|
1875 | /* overflow, need to check for all hahs slots */ |
|
|
1876 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
1877 | infy_wd (EV_A_ slot, wd, ev); |
|
|
1878 | else |
|
|
1879 | { |
|
|
1880 | WL w_; |
|
|
1881 | |
|
|
1882 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
|
|
1883 | { |
|
|
1884 | ev_stat *w = (ev_stat *)w_; |
|
|
1885 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
|
|
1886 | |
|
|
1887 | if (w->wd == wd || wd == -1) |
|
|
1888 | { |
|
|
1889 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
|
|
1890 | { |
|
|
1891 | w->wd = -1; |
|
|
1892 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
1893 | } |
|
|
1894 | |
|
|
1895 | stat_timer_cb (EV_A_ &w->timer, 0); |
|
|
1896 | } |
|
|
1897 | } |
|
|
1898 | } |
|
|
1899 | } |
|
|
1900 | |
|
|
1901 | static void |
|
|
1902 | infy_cb (EV_P_ ev_io *w, int revents) |
|
|
1903 | { |
|
|
1904 | char buf [EV_INOTIFY_BUFSIZE]; |
|
|
1905 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
1906 | int ofs; |
|
|
1907 | int len = read (fs_fd, buf, sizeof (buf)); |
|
|
1908 | |
|
|
1909 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
|
|
1910 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
1911 | } |
|
|
1912 | |
|
|
1913 | void inline_size |
|
|
1914 | infy_init (EV_P) |
|
|
1915 | { |
|
|
1916 | if (fs_fd != -2) |
|
|
1917 | return; |
|
|
1918 | |
|
|
1919 | fs_fd = inotify_init (); |
|
|
1920 | |
|
|
1921 | if (fs_fd >= 0) |
|
|
1922 | { |
|
|
1923 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
|
|
1924 | ev_set_priority (&fs_w, EV_MAXPRI); |
|
|
1925 | ev_io_start (EV_A_ &fs_w); |
|
|
1926 | } |
|
|
1927 | } |
|
|
1928 | |
|
|
1929 | void inline_size |
|
|
1930 | infy_fork (EV_P) |
|
|
1931 | { |
|
|
1932 | int slot; |
|
|
1933 | |
|
|
1934 | if (fs_fd < 0) |
|
|
1935 | return; |
|
|
1936 | |
|
|
1937 | close (fs_fd); |
|
|
1938 | fs_fd = inotify_init (); |
|
|
1939 | |
|
|
1940 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
1941 | { |
|
|
1942 | WL w_ = fs_hash [slot].head; |
|
|
1943 | fs_hash [slot].head = 0; |
|
|
1944 | |
|
|
1945 | while (w_) |
|
|
1946 | { |
|
|
1947 | ev_stat *w = (ev_stat *)w_; |
|
|
1948 | w_ = w_->next; /* lets us add this watcher */ |
|
|
1949 | |
|
|
1950 | w->wd = -1; |
|
|
1951 | |
|
|
1952 | if (fs_fd >= 0) |
|
|
1953 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
1954 | else |
|
|
1955 | ev_timer_start (EV_A_ &w->timer); |
|
|
1956 | } |
|
|
1957 | |
|
|
1958 | } |
|
|
1959 | } |
|
|
1960 | |
|
|
1961 | #endif |
|
|
1962 | |
1644 | void |
1963 | void |
1645 | ev_stat_stat (EV_P_ ev_stat *w) |
1964 | ev_stat_stat (EV_P_ ev_stat *w) |
1646 | { |
1965 | { |
1647 | if (lstat (w->path, &w->attr) < 0) |
1966 | if (lstat (w->path, &w->attr) < 0) |
1648 | w->attr.st_nlink = 0; |
1967 | w->attr.st_nlink = 0; |
1649 | else if (!w->attr.st_nlink) |
1968 | else if (!w->attr.st_nlink) |
1650 | w->attr.st_nlink = 1; |
1969 | w->attr.st_nlink = 1; |
1651 | } |
1970 | } |
1652 | |
1971 | |
1653 | static void |
1972 | static void noinline |
1654 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
1973 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
1655 | { |
1974 | { |
1656 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
1975 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
1657 | |
1976 | |
1658 | /* we copy this here each the time so that */ |
1977 | /* we copy this here each the time so that */ |
1659 | /* prev has the old value when the callback gets invoked */ |
1978 | /* prev has the old value when the callback gets invoked */ |
1660 | w->prev = w->attr; |
1979 | w->prev = w->attr; |
1661 | ev_stat_stat (EV_A_ w); |
1980 | ev_stat_stat (EV_A_ w); |
1662 | |
1981 | |
1663 | if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata))) |
1982 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
|
|
1983 | if ( |
|
|
1984 | w->prev.st_dev != w->attr.st_dev |
|
|
1985 | || w->prev.st_ino != w->attr.st_ino |
|
|
1986 | || w->prev.st_mode != w->attr.st_mode |
|
|
1987 | || w->prev.st_nlink != w->attr.st_nlink |
|
|
1988 | || w->prev.st_uid != w->attr.st_uid |
|
|
1989 | || w->prev.st_gid != w->attr.st_gid |
|
|
1990 | || w->prev.st_rdev != w->attr.st_rdev |
|
|
1991 | || w->prev.st_size != w->attr.st_size |
|
|
1992 | || w->prev.st_atime != w->attr.st_atime |
|
|
1993 | || w->prev.st_mtime != w->attr.st_mtime |
|
|
1994 | || w->prev.st_ctime != w->attr.st_ctime |
|
|
1995 | ) { |
|
|
1996 | #if EV_USE_INOTIFY |
|
|
1997 | infy_del (EV_A_ w); |
|
|
1998 | infy_add (EV_A_ w); |
|
|
1999 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2000 | #endif |
|
|
2001 | |
1664 | ev_feed_event (EV_A_ w, EV_STAT); |
2002 | ev_feed_event (EV_A_ w, EV_STAT); |
|
|
2003 | } |
1665 | } |
2004 | } |
1666 | |
2005 | |
1667 | void |
2006 | void |
1668 | ev_stat_start (EV_P_ ev_stat *w) |
2007 | ev_stat_start (EV_P_ ev_stat *w) |
1669 | { |
2008 | { |
… | |
… | |
1679 | if (w->interval < MIN_STAT_INTERVAL) |
2018 | if (w->interval < MIN_STAT_INTERVAL) |
1680 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
2019 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
1681 | |
2020 | |
1682 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
2021 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
1683 | ev_set_priority (&w->timer, ev_priority (w)); |
2022 | ev_set_priority (&w->timer, ev_priority (w)); |
|
|
2023 | |
|
|
2024 | #if EV_USE_INOTIFY |
|
|
2025 | infy_init (EV_A); |
|
|
2026 | |
|
|
2027 | if (fs_fd >= 0) |
|
|
2028 | infy_add (EV_A_ w); |
|
|
2029 | else |
|
|
2030 | #endif |
1684 | ev_timer_start (EV_A_ &w->timer); |
2031 | ev_timer_start (EV_A_ &w->timer); |
1685 | |
2032 | |
1686 | ev_start (EV_A_ (W)w, 1); |
2033 | ev_start (EV_A_ (W)w, 1); |
1687 | } |
2034 | } |
1688 | |
2035 | |
1689 | void |
2036 | void |
1690 | ev_stat_stop (EV_P_ ev_stat *w) |
2037 | ev_stat_stop (EV_P_ ev_stat *w) |
1691 | { |
2038 | { |
1692 | ev_clear_pending (EV_A_ (W)w); |
2039 | clear_pending (EV_A_ (W)w); |
1693 | if (expect_false (!ev_is_active (w))) |
2040 | if (expect_false (!ev_is_active (w))) |
1694 | return; |
2041 | return; |
1695 | |
2042 | |
|
|
2043 | #if EV_USE_INOTIFY |
|
|
2044 | infy_del (EV_A_ w); |
|
|
2045 | #endif |
1696 | ev_timer_stop (EV_A_ &w->timer); |
2046 | ev_timer_stop (EV_A_ &w->timer); |
1697 | |
2047 | |
1698 | ev_stop (EV_A_ (W)w); |
2048 | ev_stop (EV_A_ (W)w); |
1699 | } |
2049 | } |
1700 | #endif |
2050 | #endif |
1701 | |
2051 | |
|
|
2052 | #if EV_IDLE_ENABLE |
1702 | void |
2053 | void |
1703 | ev_idle_start (EV_P_ ev_idle *w) |
2054 | ev_idle_start (EV_P_ ev_idle *w) |
1704 | { |
2055 | { |
1705 | if (expect_false (ev_is_active (w))) |
2056 | if (expect_false (ev_is_active (w))) |
1706 | return; |
2057 | return; |
1707 | |
2058 | |
|
|
2059 | pri_adjust (EV_A_ (W)w); |
|
|
2060 | |
|
|
2061 | { |
|
|
2062 | int active = ++idlecnt [ABSPRI (w)]; |
|
|
2063 | |
|
|
2064 | ++idleall; |
1708 | ev_start (EV_A_ (W)w, ++idlecnt); |
2065 | ev_start (EV_A_ (W)w, active); |
|
|
2066 | |
1709 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
2067 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
1710 | idles [idlecnt - 1] = w; |
2068 | idles [ABSPRI (w)][active - 1] = w; |
|
|
2069 | } |
1711 | } |
2070 | } |
1712 | |
2071 | |
1713 | void |
2072 | void |
1714 | ev_idle_stop (EV_P_ ev_idle *w) |
2073 | ev_idle_stop (EV_P_ ev_idle *w) |
1715 | { |
2074 | { |
1716 | ev_clear_pending (EV_A_ (W)w); |
2075 | clear_pending (EV_A_ (W)w); |
1717 | if (expect_false (!ev_is_active (w))) |
2076 | if (expect_false (!ev_is_active (w))) |
1718 | return; |
2077 | return; |
1719 | |
2078 | |
1720 | { |
2079 | { |
1721 | int active = ((W)w)->active; |
2080 | int active = ((W)w)->active; |
1722 | idles [active - 1] = idles [--idlecnt]; |
2081 | |
|
|
2082 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
1723 | ((W)idles [active - 1])->active = active; |
2083 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
|
|
2084 | |
|
|
2085 | ev_stop (EV_A_ (W)w); |
|
|
2086 | --idleall; |
1724 | } |
2087 | } |
1725 | |
|
|
1726 | ev_stop (EV_A_ (W)w); |
|
|
1727 | } |
2088 | } |
|
|
2089 | #endif |
1728 | |
2090 | |
1729 | void |
2091 | void |
1730 | ev_prepare_start (EV_P_ ev_prepare *w) |
2092 | ev_prepare_start (EV_P_ ev_prepare *w) |
1731 | { |
2093 | { |
1732 | if (expect_false (ev_is_active (w))) |
2094 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1738 | } |
2100 | } |
1739 | |
2101 | |
1740 | void |
2102 | void |
1741 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2103 | ev_prepare_stop (EV_P_ ev_prepare *w) |
1742 | { |
2104 | { |
1743 | ev_clear_pending (EV_A_ (W)w); |
2105 | clear_pending (EV_A_ (W)w); |
1744 | if (expect_false (!ev_is_active (w))) |
2106 | if (expect_false (!ev_is_active (w))) |
1745 | return; |
2107 | return; |
1746 | |
2108 | |
1747 | { |
2109 | { |
1748 | int active = ((W)w)->active; |
2110 | int active = ((W)w)->active; |
… | |
… | |
1765 | } |
2127 | } |
1766 | |
2128 | |
1767 | void |
2129 | void |
1768 | ev_check_stop (EV_P_ ev_check *w) |
2130 | ev_check_stop (EV_P_ ev_check *w) |
1769 | { |
2131 | { |
1770 | ev_clear_pending (EV_A_ (W)w); |
2132 | clear_pending (EV_A_ (W)w); |
1771 | if (expect_false (!ev_is_active (w))) |
2133 | if (expect_false (!ev_is_active (w))) |
1772 | return; |
2134 | return; |
1773 | |
2135 | |
1774 | { |
2136 | { |
1775 | int active = ((W)w)->active; |
2137 | int active = ((W)w)->active; |
… | |
… | |
1817 | } |
2179 | } |
1818 | |
2180 | |
1819 | void |
2181 | void |
1820 | ev_embed_stop (EV_P_ ev_embed *w) |
2182 | ev_embed_stop (EV_P_ ev_embed *w) |
1821 | { |
2183 | { |
1822 | ev_clear_pending (EV_A_ (W)w); |
2184 | clear_pending (EV_A_ (W)w); |
1823 | if (expect_false (!ev_is_active (w))) |
2185 | if (expect_false (!ev_is_active (w))) |
1824 | return; |
2186 | return; |
1825 | |
2187 | |
1826 | ev_io_stop (EV_A_ &w->io); |
2188 | ev_io_stop (EV_A_ &w->io); |
|
|
2189 | |
|
|
2190 | ev_stop (EV_A_ (W)w); |
|
|
2191 | } |
|
|
2192 | #endif |
|
|
2193 | |
|
|
2194 | #if EV_FORK_ENABLE |
|
|
2195 | void |
|
|
2196 | ev_fork_start (EV_P_ ev_fork *w) |
|
|
2197 | { |
|
|
2198 | if (expect_false (ev_is_active (w))) |
|
|
2199 | return; |
|
|
2200 | |
|
|
2201 | ev_start (EV_A_ (W)w, ++forkcnt); |
|
|
2202 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
|
|
2203 | forks [forkcnt - 1] = w; |
|
|
2204 | } |
|
|
2205 | |
|
|
2206 | void |
|
|
2207 | ev_fork_stop (EV_P_ ev_fork *w) |
|
|
2208 | { |
|
|
2209 | clear_pending (EV_A_ (W)w); |
|
|
2210 | if (expect_false (!ev_is_active (w))) |
|
|
2211 | return; |
|
|
2212 | |
|
|
2213 | { |
|
|
2214 | int active = ((W)w)->active; |
|
|
2215 | forks [active - 1] = forks [--forkcnt]; |
|
|
2216 | ((W)forks [active - 1])->active = active; |
|
|
2217 | } |
1827 | |
2218 | |
1828 | ev_stop (EV_A_ (W)w); |
2219 | ev_stop (EV_A_ (W)w); |
1829 | } |
2220 | } |
1830 | #endif |
2221 | #endif |
1831 | |
2222 | |