… | |
… | |
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 |
… | |
… | |
198 | # define inline_speed static inline |
233 | # define inline_speed static inline |
199 | # endif |
234 | # endif |
200 | #else |
235 | #else |
201 | # define expect(expr,value) (expr) |
236 | # define expect(expr,value) (expr) |
202 | # define inline_speed static |
237 | # define inline_speed static |
203 | # define inline_minimal static |
238 | # define inline_size static |
204 | # define noinline |
239 | # define noinline |
205 | #endif |
240 | #endif |
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) |
… | |
… | |
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 | { |
… | |
… | |
547 | static void noinline |
589 | static void noinline |
548 | fd_rearm_all (EV_P) |
590 | fd_rearm_all (EV_P) |
549 | { |
591 | { |
550 | int fd; |
592 | int fd; |
551 | |
593 | |
552 | /* this should be highly optimised to not do anything but set a flag */ |
|
|
553 | for (fd = 0; fd < anfdmax; ++fd) |
594 | for (fd = 0; fd < anfdmax; ++fd) |
554 | if (anfds [fd].events) |
595 | if (anfds [fd].events) |
555 | { |
596 | { |
556 | anfds [fd].events = 0; |
597 | anfds [fd].events = 0; |
557 | fd_change (EV_A_ fd); |
598 | fd_change (EV_A_ fd); |
… | |
… | |
709 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
750 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
710 | } |
751 | } |
711 | |
752 | |
712 | /*****************************************************************************/ |
753 | /*****************************************************************************/ |
713 | |
754 | |
714 | static ev_child *childs [PID_HASHSIZE]; |
755 | static ev_child *childs [EV_PID_HASHSIZE]; |
715 | |
756 | |
716 | #ifndef _WIN32 |
757 | #ifndef _WIN32 |
717 | |
758 | |
718 | static ev_signal childev; |
759 | static ev_signal childev; |
719 | |
|
|
720 | #ifndef WCONTINUED |
|
|
721 | # define WCONTINUED 0 |
|
|
722 | #endif |
|
|
723 | |
760 | |
724 | void inline_speed |
761 | void inline_speed |
725 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
762 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
726 | { |
763 | { |
727 | ev_child *w; |
764 | ev_child *w; |
728 | |
765 | |
729 | for (w = (ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
766 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
730 | if (w->pid == pid || !w->pid) |
767 | if (w->pid == pid || !w->pid) |
731 | { |
768 | { |
732 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
769 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
733 | w->rpid = pid; |
770 | w->rpid = pid; |
734 | w->rstatus = status; |
771 | w->rstatus = status; |
735 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
772 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
736 | } |
773 | } |
737 | } |
774 | } |
738 | |
775 | |
|
|
776 | #ifndef WCONTINUED |
|
|
777 | # define WCONTINUED 0 |
|
|
778 | #endif |
|
|
779 | |
739 | static void |
780 | static void |
740 | childcb (EV_P_ ev_signal *sw, int revents) |
781 | childcb (EV_P_ ev_signal *sw, int revents) |
741 | { |
782 | { |
742 | int pid, status; |
783 | int pid, status; |
743 | |
784 | |
|
|
785 | /* some systems define WCONTINUED but then fail to support it (linux 2.4) */ |
744 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
786 | if (0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
745 | { |
787 | if (!WCONTINUED |
|
|
788 | || errno != EINVAL |
|
|
789 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
|
|
790 | return; |
|
|
791 | |
746 | /* make sure we are called again until all childs have been reaped */ |
792 | /* make sure we are called again until all childs have been reaped */ |
747 | /* we need to do it this way so that the callback gets called before we continue */ |
793 | /* we need to do it this way so that the callback gets called before we continue */ |
748 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
794 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
749 | |
795 | |
750 | child_reap (EV_A_ sw, pid, pid, status); |
796 | child_reap (EV_A_ sw, pid, pid, status); |
|
|
797 | if (EV_PID_HASHSIZE > 1) |
751 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
798 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
752 | } |
|
|
753 | } |
799 | } |
754 | |
800 | |
755 | #endif |
801 | #endif |
756 | |
802 | |
757 | /*****************************************************************************/ |
803 | /*****************************************************************************/ |
… | |
… | |
840 | ev_backend (EV_P) |
886 | ev_backend (EV_P) |
841 | { |
887 | { |
842 | return backend; |
888 | return backend; |
843 | } |
889 | } |
844 | |
890 | |
845 | static void |
891 | static void noinline |
846 | loop_init (EV_P_ unsigned int flags) |
892 | loop_init (EV_P_ unsigned int flags) |
847 | { |
893 | { |
848 | if (!backend) |
894 | if (!backend) |
849 | { |
895 | { |
850 | #if EV_USE_MONOTONIC |
896 | #if EV_USE_MONOTONIC |
… | |
… | |
858 | ev_rt_now = ev_time (); |
904 | ev_rt_now = ev_time (); |
859 | mn_now = get_clock (); |
905 | mn_now = get_clock (); |
860 | now_floor = mn_now; |
906 | now_floor = mn_now; |
861 | rtmn_diff = ev_rt_now - mn_now; |
907 | rtmn_diff = ev_rt_now - mn_now; |
862 | |
908 | |
|
|
909 | /* pid check not overridable via env */ |
|
|
910 | #ifndef _WIN32 |
|
|
911 | if (flags & EVFLAG_FORKCHECK) |
|
|
912 | curpid = getpid (); |
|
|
913 | #endif |
|
|
914 | |
863 | if (!(flags & EVFLAG_NOENV) |
915 | if (!(flags & EVFLAG_NOENV) |
864 | && !enable_secure () |
916 | && !enable_secure () |
865 | && getenv ("LIBEV_FLAGS")) |
917 | && getenv ("LIBEV_FLAGS")) |
866 | flags = atoi (getenv ("LIBEV_FLAGS")); |
918 | flags = atoi (getenv ("LIBEV_FLAGS")); |
867 | |
919 | |
868 | if (!(flags & 0x0000ffffUL)) |
920 | if (!(flags & 0x0000ffffUL)) |
869 | flags |= ev_recommended_backends (); |
921 | flags |= ev_recommended_backends (); |
870 | |
922 | |
871 | backend = 0; |
923 | backend = 0; |
|
|
924 | backend_fd = -1; |
|
|
925 | #if EV_USE_INOTIFY |
|
|
926 | fs_fd = -2; |
|
|
927 | #endif |
|
|
928 | |
872 | #if EV_USE_PORT |
929 | #if EV_USE_PORT |
873 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
930 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
874 | #endif |
931 | #endif |
875 | #if EV_USE_KQUEUE |
932 | #if EV_USE_KQUEUE |
876 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
933 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
888 | ev_init (&sigev, sigcb); |
945 | ev_init (&sigev, sigcb); |
889 | ev_set_priority (&sigev, EV_MAXPRI); |
946 | ev_set_priority (&sigev, EV_MAXPRI); |
890 | } |
947 | } |
891 | } |
948 | } |
892 | |
949 | |
893 | static void |
950 | static void noinline |
894 | loop_destroy (EV_P) |
951 | loop_destroy (EV_P) |
895 | { |
952 | { |
896 | int i; |
953 | int i; |
|
|
954 | |
|
|
955 | #if EV_USE_INOTIFY |
|
|
956 | if (fs_fd >= 0) |
|
|
957 | close (fs_fd); |
|
|
958 | #endif |
|
|
959 | |
|
|
960 | if (backend_fd >= 0) |
|
|
961 | close (backend_fd); |
897 | |
962 | |
898 | #if EV_USE_PORT |
963 | #if EV_USE_PORT |
899 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
964 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
900 | #endif |
965 | #endif |
901 | #if EV_USE_KQUEUE |
966 | #if EV_USE_KQUEUE |
… | |
… | |
925 | array_free (check, EMPTY0); |
990 | array_free (check, EMPTY0); |
926 | |
991 | |
927 | backend = 0; |
992 | backend = 0; |
928 | } |
993 | } |
929 | |
994 | |
930 | static void |
995 | void inline_size infy_fork (EV_P); |
|
|
996 | |
|
|
997 | void inline_size |
931 | loop_fork (EV_P) |
998 | loop_fork (EV_P) |
932 | { |
999 | { |
933 | #if EV_USE_PORT |
1000 | #if EV_USE_PORT |
934 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1001 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
935 | #endif |
1002 | #endif |
936 | #if EV_USE_KQUEUE |
1003 | #if EV_USE_KQUEUE |
937 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
1004 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
938 | #endif |
1005 | #endif |
939 | #if EV_USE_EPOLL |
1006 | #if EV_USE_EPOLL |
940 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
1007 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
|
|
1008 | #endif |
|
|
1009 | #if EV_USE_INOTIFY |
|
|
1010 | infy_fork (EV_A); |
941 | #endif |
1011 | #endif |
942 | |
1012 | |
943 | if (ev_is_active (&sigev)) |
1013 | if (ev_is_active (&sigev)) |
944 | { |
1014 | { |
945 | /* default loop */ |
1015 | /* default loop */ |
… | |
… | |
1085 | { |
1155 | { |
1086 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1156 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1087 | |
1157 | |
1088 | if (expect_true (p->w)) |
1158 | if (expect_true (p->w)) |
1089 | { |
1159 | { |
1090 | assert (("non-pending watcher on pending list", p->w->pending)); |
1160 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1091 | |
1161 | |
1092 | p->w->pending = 0; |
1162 | p->w->pending = 0; |
1093 | EV_CB_INVOKE (p->w, p->events); |
1163 | EV_CB_INVOKE (p->w, p->events); |
1094 | } |
1164 | } |
1095 | } |
1165 | } |
… | |
… | |
1100 | { |
1170 | { |
1101 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1171 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1102 | { |
1172 | { |
1103 | ev_timer *w = timers [0]; |
1173 | ev_timer *w = timers [0]; |
1104 | |
1174 | |
1105 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1175 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1106 | |
1176 | |
1107 | /* first reschedule or stop timer */ |
1177 | /* first reschedule or stop timer */ |
1108 | if (w->repeat) |
1178 | if (w->repeat) |
1109 | { |
1179 | { |
1110 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1180 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
… | |
… | |
1128 | { |
1198 | { |
1129 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1199 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1130 | { |
1200 | { |
1131 | ev_periodic *w = periodics [0]; |
1201 | ev_periodic *w = periodics [0]; |
1132 | |
1202 | |
1133 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1203 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1134 | |
1204 | |
1135 | /* first reschedule or stop timer */ |
1205 | /* first reschedule or stop timer */ |
1136 | if (w->reschedule_cb) |
1206 | if (w->reschedule_cb) |
1137 | { |
1207 | { |
1138 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1208 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
… | |
… | |
1205 | ev_tstamp odiff = rtmn_diff; |
1275 | ev_tstamp odiff = rtmn_diff; |
1206 | |
1276 | |
1207 | /* loop a few times, before making important decisions. |
1277 | /* loop a few times, before making important decisions. |
1208 | * on the choice of "4": one iteration isn't enough, |
1278 | * on the choice of "4": one iteration isn't enough, |
1209 | * in case we get preempted during the calls to |
1279 | * in case we get preempted during the calls to |
1210 | * ev_time and get_clock. a second call is almost guarenteed |
1280 | * ev_time and get_clock. a second call is almost guaranteed |
1211 | * to succeed in that case, though. and looping a few more times |
1281 | * to succeed in that case, though. and looping a few more times |
1212 | * doesn't hurt either as we only do this on time-jumps or |
1282 | * doesn't hurt either as we only do this on time-jumps or |
1213 | * in the unlikely event of getting preempted here. |
1283 | * in the unlikely event of having been preempted here. |
1214 | */ |
1284 | */ |
1215 | for (i = 4; --i; ) |
1285 | for (i = 4; --i; ) |
1216 | { |
1286 | { |
1217 | rtmn_diff = ev_rt_now - mn_now; |
1287 | rtmn_diff = ev_rt_now - mn_now; |
1218 | |
1288 | |
… | |
… | |
1240 | { |
1310 | { |
1241 | #if EV_PERIODIC_ENABLE |
1311 | #if EV_PERIODIC_ENABLE |
1242 | periodics_reschedule (EV_A); |
1312 | periodics_reschedule (EV_A); |
1243 | #endif |
1313 | #endif |
1244 | |
1314 | |
1245 | /* adjust timers. this is easy, as the offset is the same for all */ |
1315 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1246 | for (i = 0; i < timercnt; ++i) |
1316 | for (i = 0; i < timercnt; ++i) |
1247 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1317 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1248 | } |
1318 | } |
1249 | |
1319 | |
1250 | mn_now = ev_rt_now; |
1320 | mn_now = ev_rt_now; |
… | |
… | |
1270 | { |
1340 | { |
1271 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1341 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1272 | ? EVUNLOOP_ONE |
1342 | ? EVUNLOOP_ONE |
1273 | : EVUNLOOP_CANCEL; |
1343 | : EVUNLOOP_CANCEL; |
1274 | |
1344 | |
1275 | while (activecnt) |
1345 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
|
|
1346 | |
|
|
1347 | do |
1276 | { |
1348 | { |
|
|
1349 | #ifndef _WIN32 |
|
|
1350 | if (expect_false (curpid)) /* penalise the forking check even more */ |
|
|
1351 | if (expect_false (getpid () != curpid)) |
|
|
1352 | { |
|
|
1353 | curpid = getpid (); |
|
|
1354 | postfork = 1; |
|
|
1355 | } |
|
|
1356 | #endif |
|
|
1357 | |
|
|
1358 | #if EV_FORK_ENABLE |
|
|
1359 | /* we might have forked, so queue fork handlers */ |
|
|
1360 | if (expect_false (postfork)) |
|
|
1361 | if (forkcnt) |
|
|
1362 | { |
|
|
1363 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
|
|
1364 | call_pending (EV_A); |
|
|
1365 | } |
|
|
1366 | #endif |
|
|
1367 | |
1277 | /* queue check watchers (and execute them) */ |
1368 | /* queue check watchers (and execute them) */ |
1278 | if (expect_false (preparecnt)) |
1369 | if (expect_false (preparecnt)) |
1279 | { |
1370 | { |
1280 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1371 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1281 | call_pending (EV_A); |
1372 | call_pending (EV_A); |
1282 | } |
1373 | } |
1283 | |
1374 | |
|
|
1375 | if (expect_false (!activecnt)) |
|
|
1376 | break; |
|
|
1377 | |
1284 | /* we might have forked, so reify kernel state if necessary */ |
1378 | /* we might have forked, so reify kernel state if necessary */ |
1285 | if (expect_false (postfork)) |
1379 | if (expect_false (postfork)) |
1286 | loop_fork (EV_A); |
1380 | loop_fork (EV_A); |
1287 | |
1381 | |
1288 | /* update fd-related kernel structures */ |
1382 | /* update fd-related kernel structures */ |
1289 | fd_reify (EV_A); |
1383 | fd_reify (EV_A); |
1290 | |
1384 | |
1291 | /* calculate blocking time */ |
1385 | /* calculate blocking time */ |
1292 | { |
1386 | { |
1293 | double block; |
1387 | ev_tstamp block; |
1294 | |
1388 | |
1295 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1389 | if (expect_false (flags & EVLOOP_NONBLOCK || idlecnt || !activecnt)) |
1296 | block = 0.; /* do not block at all */ |
1390 | block = 0.; /* do not block at all */ |
1297 | else |
1391 | else |
1298 | { |
1392 | { |
1299 | /* update time to cancel out callback processing overhead */ |
1393 | /* update time to cancel out callback processing overhead */ |
1300 | #if EV_USE_MONOTONIC |
1394 | #if EV_USE_MONOTONIC |
… | |
… | |
1346 | if (expect_false (checkcnt)) |
1440 | if (expect_false (checkcnt)) |
1347 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1441 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1348 | |
1442 | |
1349 | call_pending (EV_A); |
1443 | call_pending (EV_A); |
1350 | |
1444 | |
1351 | if (expect_false (loop_done)) |
|
|
1352 | break; |
|
|
1353 | } |
1445 | } |
|
|
1446 | while (expect_true (activecnt && !loop_done)); |
1354 | |
1447 | |
1355 | if (loop_done == EVUNLOOP_ONE) |
1448 | if (loop_done == EVUNLOOP_ONE) |
1356 | loop_done = EVUNLOOP_CANCEL; |
1449 | loop_done = EVUNLOOP_CANCEL; |
1357 | } |
1450 | } |
1358 | |
1451 | |
… | |
… | |
1460 | ev_start (EV_A_ (W)w, ++timercnt); |
1553 | ev_start (EV_A_ (W)w, ++timercnt); |
1461 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1554 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1462 | timers [timercnt - 1] = w; |
1555 | timers [timercnt - 1] = w; |
1463 | upheap ((WT *)timers, timercnt - 1); |
1556 | upheap ((WT *)timers, timercnt - 1); |
1464 | |
1557 | |
1465 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1558 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1466 | } |
1559 | } |
1467 | |
1560 | |
1468 | void |
1561 | void |
1469 | ev_timer_stop (EV_P_ ev_timer *w) |
1562 | ev_timer_stop (EV_P_ ev_timer *w) |
1470 | { |
1563 | { |
… | |
… | |
1472 | if (expect_false (!ev_is_active (w))) |
1565 | if (expect_false (!ev_is_active (w))) |
1473 | return; |
1566 | return; |
1474 | |
1567 | |
1475 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1568 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1476 | |
1569 | |
|
|
1570 | { |
|
|
1571 | int active = ((W)w)->active; |
|
|
1572 | |
1477 | if (expect_true (((W)w)->active < timercnt--)) |
1573 | if (expect_true (--active < --timercnt)) |
1478 | { |
1574 | { |
1479 | timers [((W)w)->active - 1] = timers [timercnt]; |
1575 | timers [active] = timers [timercnt]; |
1480 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1576 | adjustheap ((WT *)timers, timercnt, active); |
1481 | } |
1577 | } |
|
|
1578 | } |
1482 | |
1579 | |
1483 | ((WT)w)->at -= mn_now; |
1580 | ((WT)w)->at -= mn_now; |
1484 | |
1581 | |
1485 | ev_stop (EV_A_ (W)w); |
1582 | ev_stop (EV_A_ (W)w); |
1486 | } |
1583 | } |
… | |
… | |
1524 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1621 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1525 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1622 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1526 | periodics [periodiccnt - 1] = w; |
1623 | periodics [periodiccnt - 1] = w; |
1527 | upheap ((WT *)periodics, periodiccnt - 1); |
1624 | upheap ((WT *)periodics, periodiccnt - 1); |
1528 | |
1625 | |
1529 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1626 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1530 | } |
1627 | } |
1531 | |
1628 | |
1532 | void |
1629 | void |
1533 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1630 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1534 | { |
1631 | { |
… | |
… | |
1536 | if (expect_false (!ev_is_active (w))) |
1633 | if (expect_false (!ev_is_active (w))) |
1537 | return; |
1634 | return; |
1538 | |
1635 | |
1539 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1636 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1540 | |
1637 | |
|
|
1638 | { |
|
|
1639 | int active = ((W)w)->active; |
|
|
1640 | |
1541 | if (expect_true (((W)w)->active < periodiccnt--)) |
1641 | if (expect_true (--active < --periodiccnt)) |
1542 | { |
1642 | { |
1543 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1643 | periodics [active] = periodics [periodiccnt]; |
1544 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1644 | adjustheap ((WT *)periodics, periodiccnt, active); |
1545 | } |
1645 | } |
|
|
1646 | } |
1546 | |
1647 | |
1547 | ev_stop (EV_A_ (W)w); |
1648 | ev_stop (EV_A_ (W)w); |
1548 | } |
1649 | } |
1549 | |
1650 | |
1550 | void |
1651 | void |
… | |
… | |
1553 | /* TODO: use adjustheap and recalculation */ |
1654 | /* TODO: use adjustheap and recalculation */ |
1554 | ev_periodic_stop (EV_A_ w); |
1655 | ev_periodic_stop (EV_A_ w); |
1555 | ev_periodic_start (EV_A_ w); |
1656 | ev_periodic_start (EV_A_ w); |
1556 | } |
1657 | } |
1557 | #endif |
1658 | #endif |
1558 | |
|
|
1559 | void |
|
|
1560 | ev_idle_start (EV_P_ ev_idle *w) |
|
|
1561 | { |
|
|
1562 | if (expect_false (ev_is_active (w))) |
|
|
1563 | return; |
|
|
1564 | |
|
|
1565 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1566 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
|
|
1567 | idles [idlecnt - 1] = w; |
|
|
1568 | } |
|
|
1569 | |
|
|
1570 | void |
|
|
1571 | ev_idle_stop (EV_P_ ev_idle *w) |
|
|
1572 | { |
|
|
1573 | ev_clear_pending (EV_A_ (W)w); |
|
|
1574 | if (expect_false (!ev_is_active (w))) |
|
|
1575 | return; |
|
|
1576 | |
|
|
1577 | { |
|
|
1578 | int active = ((W)w)->active; |
|
|
1579 | idles [active - 1] = idles [--idlecnt]; |
|
|
1580 | ((W)idles [active - 1])->active = active; |
|
|
1581 | } |
|
|
1582 | |
|
|
1583 | ev_stop (EV_A_ (W)w); |
|
|
1584 | } |
|
|
1585 | |
|
|
1586 | void |
|
|
1587 | ev_prepare_start (EV_P_ ev_prepare *w) |
|
|
1588 | { |
|
|
1589 | if (expect_false (ev_is_active (w))) |
|
|
1590 | return; |
|
|
1591 | |
|
|
1592 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1593 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
1594 | prepares [preparecnt - 1] = w; |
|
|
1595 | } |
|
|
1596 | |
|
|
1597 | void |
|
|
1598 | ev_prepare_stop (EV_P_ ev_prepare *w) |
|
|
1599 | { |
|
|
1600 | ev_clear_pending (EV_A_ (W)w); |
|
|
1601 | if (expect_false (!ev_is_active (w))) |
|
|
1602 | return; |
|
|
1603 | |
|
|
1604 | { |
|
|
1605 | int active = ((W)w)->active; |
|
|
1606 | prepares [active - 1] = prepares [--preparecnt]; |
|
|
1607 | ((W)prepares [active - 1])->active = active; |
|
|
1608 | } |
|
|
1609 | |
|
|
1610 | ev_stop (EV_A_ (W)w); |
|
|
1611 | } |
|
|
1612 | |
|
|
1613 | void |
|
|
1614 | ev_check_start (EV_P_ ev_check *w) |
|
|
1615 | { |
|
|
1616 | if (expect_false (ev_is_active (w))) |
|
|
1617 | return; |
|
|
1618 | |
|
|
1619 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1620 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
1621 | checks [checkcnt - 1] = w; |
|
|
1622 | } |
|
|
1623 | |
|
|
1624 | void |
|
|
1625 | ev_check_stop (EV_P_ ev_check *w) |
|
|
1626 | { |
|
|
1627 | ev_clear_pending (EV_A_ (W)w); |
|
|
1628 | if (expect_false (!ev_is_active (w))) |
|
|
1629 | return; |
|
|
1630 | |
|
|
1631 | { |
|
|
1632 | int active = ((W)w)->active; |
|
|
1633 | checks [active - 1] = checks [--checkcnt]; |
|
|
1634 | ((W)checks [active - 1])->active = active; |
|
|
1635 | } |
|
|
1636 | |
|
|
1637 | ev_stop (EV_A_ (W)w); |
|
|
1638 | } |
|
|
1639 | |
1659 | |
1640 | #ifndef SA_RESTART |
1660 | #ifndef SA_RESTART |
1641 | # define SA_RESTART 0 |
1661 | # define SA_RESTART 0 |
1642 | #endif |
1662 | #endif |
1643 | |
1663 | |
… | |
… | |
1692 | #endif |
1712 | #endif |
1693 | if (expect_false (ev_is_active (w))) |
1713 | if (expect_false (ev_is_active (w))) |
1694 | return; |
1714 | return; |
1695 | |
1715 | |
1696 | ev_start (EV_A_ (W)w, 1); |
1716 | ev_start (EV_A_ (W)w, 1); |
1697 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1717 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1698 | } |
1718 | } |
1699 | |
1719 | |
1700 | void |
1720 | void |
1701 | ev_child_stop (EV_P_ ev_child *w) |
1721 | ev_child_stop (EV_P_ ev_child *w) |
1702 | { |
1722 | { |
1703 | ev_clear_pending (EV_A_ (W)w); |
1723 | ev_clear_pending (EV_A_ (W)w); |
1704 | if (expect_false (!ev_is_active (w))) |
1724 | if (expect_false (!ev_is_active (w))) |
1705 | return; |
1725 | return; |
1706 | |
1726 | |
1707 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1727 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
|
|
1728 | ev_stop (EV_A_ (W)w); |
|
|
1729 | } |
|
|
1730 | |
|
|
1731 | #if EV_STAT_ENABLE |
|
|
1732 | |
|
|
1733 | # ifdef _WIN32 |
|
|
1734 | # undef lstat |
|
|
1735 | # define lstat(a,b) _stati64 (a,b) |
|
|
1736 | # endif |
|
|
1737 | |
|
|
1738 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
1739 | #define MIN_STAT_INTERVAL 0.1074891 |
|
|
1740 | |
|
|
1741 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
|
|
1742 | |
|
|
1743 | #if EV_USE_INOTIFY |
|
|
1744 | # define EV_INOTIFY_BUFSIZE 8192 |
|
|
1745 | |
|
|
1746 | static void noinline |
|
|
1747 | infy_add (EV_P_ ev_stat *w) |
|
|
1748 | { |
|
|
1749 | 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); |
|
|
1750 | |
|
|
1751 | if (w->wd < 0) |
|
|
1752 | { |
|
|
1753 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
1754 | |
|
|
1755 | /* monitor some parent directory for speedup hints */ |
|
|
1756 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
|
|
1757 | { |
|
|
1758 | char path [4096]; |
|
|
1759 | strcpy (path, w->path); |
|
|
1760 | |
|
|
1761 | do |
|
|
1762 | { |
|
|
1763 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
|
|
1764 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
|
|
1765 | |
|
|
1766 | char *pend = strrchr (path, '/'); |
|
|
1767 | |
|
|
1768 | if (!pend) |
|
|
1769 | break; /* whoops, no '/', complain to your admin */ |
|
|
1770 | |
|
|
1771 | *pend = 0; |
|
|
1772 | w->wd = inotify_add_watch (fs_fd, path, mask); |
|
|
1773 | } |
|
|
1774 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
|
|
1775 | } |
|
|
1776 | } |
|
|
1777 | else |
|
|
1778 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
1779 | |
|
|
1780 | if (w->wd >= 0) |
|
|
1781 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
1782 | } |
|
|
1783 | |
|
|
1784 | static void noinline |
|
|
1785 | infy_del (EV_P_ ev_stat *w) |
|
|
1786 | { |
|
|
1787 | int slot; |
|
|
1788 | int wd = w->wd; |
|
|
1789 | |
|
|
1790 | if (wd < 0) |
|
|
1791 | return; |
|
|
1792 | |
|
|
1793 | w->wd = -2; |
|
|
1794 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
|
|
1795 | wlist_del (&fs_hash [slot].head, (WL)w); |
|
|
1796 | |
|
|
1797 | /* remove this watcher, if others are watching it, they will rearm */ |
|
|
1798 | inotify_rm_watch (fs_fd, wd); |
|
|
1799 | } |
|
|
1800 | |
|
|
1801 | static void noinline |
|
|
1802 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
|
|
1803 | { |
|
|
1804 | if (slot < 0) |
|
|
1805 | /* overflow, need to check for all hahs slots */ |
|
|
1806 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
1807 | infy_wd (EV_A_ slot, wd, ev); |
|
|
1808 | else |
|
|
1809 | { |
|
|
1810 | WL w_; |
|
|
1811 | |
|
|
1812 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
|
|
1813 | { |
|
|
1814 | ev_stat *w = (ev_stat *)w_; |
|
|
1815 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
|
|
1816 | |
|
|
1817 | if (w->wd == wd || wd == -1) |
|
|
1818 | { |
|
|
1819 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
|
|
1820 | { |
|
|
1821 | w->wd = -1; |
|
|
1822 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
1823 | } |
|
|
1824 | |
|
|
1825 | stat_timer_cb (EV_A_ &w->timer, 0); |
|
|
1826 | } |
|
|
1827 | } |
|
|
1828 | } |
|
|
1829 | } |
|
|
1830 | |
|
|
1831 | static void |
|
|
1832 | infy_cb (EV_P_ ev_io *w, int revents) |
|
|
1833 | { |
|
|
1834 | char buf [EV_INOTIFY_BUFSIZE]; |
|
|
1835 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
1836 | int ofs; |
|
|
1837 | int len = read (fs_fd, buf, sizeof (buf)); |
|
|
1838 | |
|
|
1839 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
|
|
1840 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
1841 | } |
|
|
1842 | |
|
|
1843 | void inline_size |
|
|
1844 | infy_init (EV_P) |
|
|
1845 | { |
|
|
1846 | if (fs_fd != -2) |
|
|
1847 | return; |
|
|
1848 | |
|
|
1849 | fs_fd = inotify_init (); |
|
|
1850 | |
|
|
1851 | if (fs_fd >= 0) |
|
|
1852 | { |
|
|
1853 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
|
|
1854 | ev_set_priority (&fs_w, EV_MAXPRI); |
|
|
1855 | ev_io_start (EV_A_ &fs_w); |
|
|
1856 | } |
|
|
1857 | } |
|
|
1858 | |
|
|
1859 | void inline_size |
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|
1860 | infy_fork (EV_P) |
|
|
1861 | { |
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1862 | int slot; |
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1863 | |
|
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1864 | if (fs_fd < 0) |
|
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1865 | return; |
|
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1866 | |
|
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1867 | close (fs_fd); |
|
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1868 | fs_fd = inotify_init (); |
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1869 | |
|
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1870 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
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1871 | { |
|
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1872 | WL w_ = fs_hash [slot].head; |
|
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1873 | fs_hash [slot].head = 0; |
|
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1874 | |
|
|
1875 | while (w_) |
|
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1876 | { |
|
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1877 | ev_stat *w = (ev_stat *)w_; |
|
|
1878 | w_ = w_->next; /* lets us add this watcher */ |
|
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1879 | |
|
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1880 | w->wd = -1; |
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1881 | |
|
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1882 | if (fs_fd >= 0) |
|
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1883 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
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1884 | else |
|
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1885 | ev_timer_start (EV_A_ &w->timer); |
|
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1886 | } |
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1887 | |
|
|
1888 | } |
|
|
1889 | } |
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1890 | |
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|
1891 | #endif |
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1892 | |
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|
1893 | void |
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1894 | ev_stat_stat (EV_P_ ev_stat *w) |
|
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1895 | { |
|
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1896 | if (lstat (w->path, &w->attr) < 0) |
|
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1897 | w->attr.st_nlink = 0; |
|
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1898 | else if (!w->attr.st_nlink) |
|
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1899 | w->attr.st_nlink = 1; |
|
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1900 | } |
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1901 | |
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1902 | static void noinline |
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1903 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
|
|
1904 | { |
|
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1905 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
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1906 | |
|
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1907 | /* we copy this here each the time so that */ |
|
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1908 | /* prev has the old value when the callback gets invoked */ |
|
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1909 | w->prev = w->attr; |
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1910 | ev_stat_stat (EV_A_ w); |
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1911 | |
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1912 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
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1913 | if ( |
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1914 | w->prev.st_dev != w->attr.st_dev |
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1915 | || w->prev.st_ino != w->attr.st_ino |
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1916 | || w->prev.st_mode != w->attr.st_mode |
|
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1917 | || w->prev.st_nlink != w->attr.st_nlink |
|
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1918 | || w->prev.st_uid != w->attr.st_uid |
|
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1919 | || w->prev.st_gid != w->attr.st_gid |
|
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1920 | || w->prev.st_rdev != w->attr.st_rdev |
|
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1921 | || w->prev.st_size != w->attr.st_size |
|
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1922 | || w->prev.st_atime != w->attr.st_atime |
|
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1923 | || w->prev.st_mtime != w->attr.st_mtime |
|
|
1924 | || w->prev.st_ctime != w->attr.st_ctime |
|
|
1925 | ) { |
|
|
1926 | #if EV_USE_INOTIFY |
|
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1927 | infy_del (EV_A_ w); |
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1928 | infy_add (EV_A_ w); |
|
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1929 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
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1930 | #endif |
|
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1931 | |
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1932 | ev_feed_event (EV_A_ w, EV_STAT); |
|
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1933 | } |
|
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1934 | } |
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1935 | |
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1936 | void |
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1937 | ev_stat_start (EV_P_ ev_stat *w) |
|
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1938 | { |
|
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1939 | if (expect_false (ev_is_active (w))) |
|
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1940 | return; |
|
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1941 | |
|
|
1942 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
1943 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
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1944 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
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1945 | |
|
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1946 | ev_stat_stat (EV_A_ w); |
|
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1947 | |
|
|
1948 | if (w->interval < MIN_STAT_INTERVAL) |
|
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1949 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
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1950 | |
|
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1951 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
|
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1952 | ev_set_priority (&w->timer, ev_priority (w)); |
|
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1953 | |
|
|
1954 | #if EV_USE_INOTIFY |
|
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1955 | infy_init (EV_A); |
|
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1956 | |
|
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1957 | if (fs_fd >= 0) |
|
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1958 | infy_add (EV_A_ w); |
|
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1959 | else |
|
|
1960 | #endif |
|
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1961 | ev_timer_start (EV_A_ &w->timer); |
|
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1962 | |
|
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1963 | ev_start (EV_A_ (W)w, 1); |
|
|
1964 | } |
|
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1965 | |
|
|
1966 | void |
|
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1967 | ev_stat_stop (EV_P_ ev_stat *w) |
|
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1968 | { |
|
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1969 | ev_clear_pending (EV_A_ (W)w); |
|
|
1970 | if (expect_false (!ev_is_active (w))) |
|
|
1971 | return; |
|
|
1972 | |
|
|
1973 | #if EV_USE_INOTIFY |
|
|
1974 | infy_del (EV_A_ w); |
|
|
1975 | #endif |
|
|
1976 | ev_timer_stop (EV_A_ &w->timer); |
|
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1977 | |
|
|
1978 | ev_stop (EV_A_ (W)w); |
|
|
1979 | } |
|
|
1980 | #endif |
|
|
1981 | |
|
|
1982 | void |
|
|
1983 | ev_idle_start (EV_P_ ev_idle *w) |
|
|
1984 | { |
|
|
1985 | if (expect_false (ev_is_active (w))) |
|
|
1986 | return; |
|
|
1987 | |
|
|
1988 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1989 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
|
|
1990 | idles [idlecnt - 1] = w; |
|
|
1991 | } |
|
|
1992 | |
|
|
1993 | void |
|
|
1994 | ev_idle_stop (EV_P_ ev_idle *w) |
|
|
1995 | { |
|
|
1996 | ev_clear_pending (EV_A_ (W)w); |
|
|
1997 | if (expect_false (!ev_is_active (w))) |
|
|
1998 | return; |
|
|
1999 | |
|
|
2000 | { |
|
|
2001 | int active = ((W)w)->active; |
|
|
2002 | idles [active - 1] = idles [--idlecnt]; |
|
|
2003 | ((W)idles [active - 1])->active = active; |
|
|
2004 | } |
|
|
2005 | |
|
|
2006 | ev_stop (EV_A_ (W)w); |
|
|
2007 | } |
|
|
2008 | |
|
|
2009 | void |
|
|
2010 | ev_prepare_start (EV_P_ ev_prepare *w) |
|
|
2011 | { |
|
|
2012 | if (expect_false (ev_is_active (w))) |
|
|
2013 | return; |
|
|
2014 | |
|
|
2015 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
2016 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
2017 | prepares [preparecnt - 1] = w; |
|
|
2018 | } |
|
|
2019 | |
|
|
2020 | void |
|
|
2021 | ev_prepare_stop (EV_P_ ev_prepare *w) |
|
|
2022 | { |
|
|
2023 | ev_clear_pending (EV_A_ (W)w); |
|
|
2024 | if (expect_false (!ev_is_active (w))) |
|
|
2025 | return; |
|
|
2026 | |
|
|
2027 | { |
|
|
2028 | int active = ((W)w)->active; |
|
|
2029 | prepares [active - 1] = prepares [--preparecnt]; |
|
|
2030 | ((W)prepares [active - 1])->active = active; |
|
|
2031 | } |
|
|
2032 | |
|
|
2033 | ev_stop (EV_A_ (W)w); |
|
|
2034 | } |
|
|
2035 | |
|
|
2036 | void |
|
|
2037 | ev_check_start (EV_P_ ev_check *w) |
|
|
2038 | { |
|
|
2039 | if (expect_false (ev_is_active (w))) |
|
|
2040 | return; |
|
|
2041 | |
|
|
2042 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
2043 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
2044 | checks [checkcnt - 1] = w; |
|
|
2045 | } |
|
|
2046 | |
|
|
2047 | void |
|
|
2048 | ev_check_stop (EV_P_ ev_check *w) |
|
|
2049 | { |
|
|
2050 | ev_clear_pending (EV_A_ (W)w); |
|
|
2051 | if (expect_false (!ev_is_active (w))) |
|
|
2052 | return; |
|
|
2053 | |
|
|
2054 | { |
|
|
2055 | int active = ((W)w)->active; |
|
|
2056 | checks [active - 1] = checks [--checkcnt]; |
|
|
2057 | ((W)checks [active - 1])->active = active; |
|
|
2058 | } |
|
|
2059 | |
1708 | ev_stop (EV_A_ (W)w); |
2060 | ev_stop (EV_A_ (W)w); |
1709 | } |
2061 | } |
1710 | |
2062 | |
1711 | #if EV_EMBED_ENABLE |
2063 | #if EV_EMBED_ENABLE |
1712 | void noinline |
2064 | void noinline |
… | |
… | |
1755 | |
2107 | |
1756 | ev_stop (EV_A_ (W)w); |
2108 | ev_stop (EV_A_ (W)w); |
1757 | } |
2109 | } |
1758 | #endif |
2110 | #endif |
1759 | |
2111 | |
1760 | #if EV_STAT_ENABLE |
2112 | #if EV_FORK_ENABLE |
1761 | |
|
|
1762 | # ifdef _WIN32 |
|
|
1763 | # define lstat(a,b) stat(a,b) |
|
|
1764 | # endif |
|
|
1765 | |
|
|
1766 | void |
2113 | void |
1767 | ev_stat_stat (EV_P_ ev_stat *w) |
|
|
1768 | { |
|
|
1769 | if (lstat (w->path, &w->attr) < 0) |
|
|
1770 | w->attr.st_nlink = 0; |
|
|
1771 | else if (!w->attr.st_nlink) |
|
|
1772 | w->attr.st_nlink = 1; |
|
|
1773 | } |
|
|
1774 | |
|
|
1775 | static void |
|
|
1776 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
|
|
1777 | { |
|
|
1778 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
|
|
1779 | |
|
|
1780 | /* we copy this here each the time so that */ |
|
|
1781 | /* prev has the old value when the callback gets invoked */ |
|
|
1782 | w->prev = w->attr; |
|
|
1783 | ev_stat_stat (EV_A_ w); |
|
|
1784 | |
|
|
1785 | if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata))) |
|
|
1786 | ev_feed_event (EV_A_ w, EV_STAT); |
|
|
1787 | } |
|
|
1788 | |
|
|
1789 | void |
|
|
1790 | ev_stat_start (EV_P_ ev_stat *w) |
2114 | ev_fork_start (EV_P_ ev_fork *w) |
1791 | { |
2115 | { |
1792 | if (expect_false (ev_is_active (w))) |
2116 | if (expect_false (ev_is_active (w))) |
1793 | return; |
2117 | return; |
1794 | |
2118 | |
1795 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
1796 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
1797 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
1798 | |
|
|
1799 | ev_stat_stat (EV_A_ w); |
|
|
1800 | |
|
|
1801 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
|
|
1802 | ev_set_priority (&w->timer, ev_priority (w)); |
|
|
1803 | ev_timer_start (EV_A_ &w->timer); |
|
|
1804 | |
|
|
1805 | ev_start (EV_A_ (W)w, 1); |
2119 | ev_start (EV_A_ (W)w, ++forkcnt); |
|
|
2120 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
|
|
2121 | forks [forkcnt - 1] = w; |
1806 | } |
2122 | } |
1807 | |
2123 | |
1808 | void |
2124 | void |
1809 | ev_stat_stop (EV_P_ ev_stat *w) |
2125 | ev_fork_stop (EV_P_ ev_fork *w) |
1810 | { |
2126 | { |
1811 | ev_clear_pending (EV_A_ (W)w); |
2127 | ev_clear_pending (EV_A_ (W)w); |
1812 | if (expect_false (!ev_is_active (w))) |
2128 | if (expect_false (!ev_is_active (w))) |
1813 | return; |
2129 | return; |
1814 | |
2130 | |
1815 | ev_timer_stop (EV_A_ &w->timer); |
2131 | { |
|
|
2132 | int active = ((W)w)->active; |
|
|
2133 | forks [active - 1] = forks [--forkcnt]; |
|
|
2134 | ((W)forks [active - 1])->active = active; |
|
|
2135 | } |
1816 | |
2136 | |
1817 | ev_stop (EV_A_ (W)w); |
2137 | ev_stop (EV_A_ (W)w); |
1818 | } |
2138 | } |
1819 | #endif |
2139 | #endif |
1820 | |
2140 | |