… | |
… | |
133 | # else |
133 | # else |
134 | # define EV_USE_INOTIFY 0 |
134 | # define EV_USE_INOTIFY 0 |
135 | # endif |
135 | # endif |
136 | # endif |
136 | # endif |
137 | |
137 | |
|
|
138 | # ifndef EV_USE_SIGNALFD |
|
|
139 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
|
|
140 | # define EV_USE_SIGNALFD 1 |
|
|
141 | # else |
|
|
142 | # define EV_USE_SIGNALFD 0 |
|
|
143 | # endif |
|
|
144 | # endif |
|
|
145 | |
138 | # ifndef EV_USE_EVENTFD |
146 | # ifndef EV_USE_EVENTFD |
139 | # if HAVE_EVENTFD |
147 | # if HAVE_EVENTFD |
140 | # define EV_USE_EVENTFD 1 |
148 | # define EV_USE_EVENTFD 1 |
141 | # else |
149 | # else |
142 | # define EV_USE_EVENTFD 0 |
150 | # define EV_USE_EVENTFD 0 |
… | |
… | |
178 | # endif |
186 | # endif |
179 | #endif |
187 | #endif |
180 | |
188 | |
181 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
189 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
182 | |
190 | |
|
|
191 | /* try to deduce the maximum number of signals on this platform */ |
|
|
192 | #if defined (EV_NSIG) |
|
|
193 | /* use what's provided */ |
|
|
194 | #elif defined (NSIG) |
|
|
195 | # define EV_NSIG (NSIG) |
|
|
196 | #elif defined(_NSIG) |
|
|
197 | # define EV_NSIG (_NSIG) |
|
|
198 | #elif defined (SIGMAX) |
|
|
199 | # define EV_NSIG (SIGMAX+1) |
|
|
200 | #elif defined (SIG_MAX) |
|
|
201 | # define EV_NSIG (SIG_MAX+1) |
|
|
202 | #elif defined (_SIG_MAX) |
|
|
203 | # define EV_NSIG (_SIG_MAX+1) |
|
|
204 | #elif defined (MAXSIG) |
|
|
205 | # define EV_NSIG (MAXSIG+1) |
|
|
206 | #elif defined (MAX_SIG) |
|
|
207 | # define EV_NSIG (MAX_SIG+1) |
|
|
208 | #elif defined (SIGARRAYSIZE) |
|
|
209 | # define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ |
|
|
210 | #elif defined (_sys_nsig) |
|
|
211 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
|
|
212 | #else |
|
|
213 | # error "unable to find value for NSIG, please report" |
|
|
214 | /* to make it compile regardless, just remove the above line */ |
|
|
215 | # define EV_NSIG 65 |
|
|
216 | #endif |
|
|
217 | |
183 | #ifndef EV_USE_CLOCK_SYSCALL |
218 | #ifndef EV_USE_CLOCK_SYSCALL |
184 | # if __linux && __GLIBC__ >= 2 |
219 | # if __linux && __GLIBC__ >= 2 |
185 | # define EV_USE_CLOCK_SYSCALL 1 |
220 | # define EV_USE_CLOCK_SYSCALL 1 |
186 | # else |
221 | # else |
187 | # define EV_USE_CLOCK_SYSCALL 0 |
222 | # define EV_USE_CLOCK_SYSCALL 0 |
… | |
… | |
263 | #ifndef EV_USE_EVENTFD |
298 | #ifndef EV_USE_EVENTFD |
264 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
299 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
265 | # define EV_USE_EVENTFD 1 |
300 | # define EV_USE_EVENTFD 1 |
266 | # else |
301 | # else |
267 | # define EV_USE_EVENTFD 0 |
302 | # define EV_USE_EVENTFD 0 |
|
|
303 | # endif |
|
|
304 | #endif |
|
|
305 | |
|
|
306 | #ifndef EV_USE_SIGNALFD |
|
|
307 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9)) |
|
|
308 | # define EV_USE_SIGNALFD 1 |
|
|
309 | # else |
|
|
310 | # define EV_USE_SIGNALFD 0 |
268 | # endif |
311 | # endif |
269 | #endif |
312 | #endif |
270 | |
313 | |
271 | #if 0 /* debugging */ |
314 | #if 0 /* debugging */ |
272 | # define EV_VERIFY 3 |
315 | # define EV_VERIFY 3 |
… | |
… | |
339 | #endif |
382 | #endif |
340 | |
383 | |
341 | #if EV_USE_EVENTFD |
384 | #if EV_USE_EVENTFD |
342 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
385 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
343 | # include <stdint.h> |
386 | # include <stdint.h> |
|
|
387 | # ifndef EFD_NONBLOCK |
|
|
388 | # define EFD_NONBLOCK O_NONBLOCK |
|
|
389 | # endif |
|
|
390 | # ifndef EFD_CLOEXEC |
|
|
391 | # ifdef O_CLOEXEC |
|
|
392 | # define EFD_CLOEXEC O_CLOEXEC |
|
|
393 | # else |
|
|
394 | # define EFD_CLOEXEC 02000000 |
|
|
395 | # endif |
|
|
396 | # endif |
344 | # ifdef __cplusplus |
397 | # ifdef __cplusplus |
345 | extern "C" { |
398 | extern "C" { |
346 | # endif |
399 | # endif |
347 | int eventfd (unsigned int initval, int flags); |
400 | int eventfd (unsigned int initval, int flags); |
348 | # ifdef __cplusplus |
401 | # ifdef __cplusplus |
349 | } |
402 | } |
350 | # endif |
403 | # endif |
|
|
404 | #endif |
|
|
405 | |
|
|
406 | #if EV_USE_SIGNALFD |
|
|
407 | # include <sys/signalfd.h> |
351 | #endif |
408 | #endif |
352 | |
409 | |
353 | /**/ |
410 | /**/ |
354 | |
411 | |
355 | #if EV_VERIFY >= 3 |
412 | #if EV_VERIFY >= 3 |
… | |
… | |
391 | # define inline_speed static noinline |
448 | # define inline_speed static noinline |
392 | #else |
449 | #else |
393 | # define inline_speed static inline |
450 | # define inline_speed static inline |
394 | #endif |
451 | #endif |
395 | |
452 | |
396 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
453 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
|
|
454 | |
|
|
455 | #if EV_MINPRI == EV_MAXPRI |
|
|
456 | # define ABSPRI(w) (((W)w), 0) |
|
|
457 | #else |
397 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
458 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
|
|
459 | #endif |
398 | |
460 | |
399 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
461 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
400 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
462 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
401 | |
463 | |
402 | typedef ev_watcher *W; |
464 | typedef ev_watcher *W; |
… | |
… | |
485 | #define ev_malloc(size) ev_realloc (0, (size)) |
547 | #define ev_malloc(size) ev_realloc (0, (size)) |
486 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
548 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
487 | |
549 | |
488 | /*****************************************************************************/ |
550 | /*****************************************************************************/ |
489 | |
551 | |
|
|
552 | /* set in reify when reification needed */ |
|
|
553 | #define EV_ANFD_REIFY 1 |
|
|
554 | |
490 | /* file descriptor info structure */ |
555 | /* file descriptor info structure */ |
491 | typedef struct |
556 | typedef struct |
492 | { |
557 | { |
493 | WL head; |
558 | WL head; |
494 | unsigned char events; /* the events watched for */ |
559 | unsigned char events; /* the events watched for */ |
495 | unsigned char reify; /* flag set when this ANFD needs reification */ |
560 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
496 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
561 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
497 | unsigned char unused; |
562 | unsigned char unused; |
498 | #if EV_USE_EPOLL |
563 | #if EV_USE_EPOLL |
499 | unsigned int egen; /* generation counter to counter epoll bugs */ |
564 | unsigned int egen; /* generation counter to counter epoll bugs */ |
500 | #endif |
565 | #endif |
… | |
… | |
562 | |
627 | |
563 | static int ev_default_loop_ptr; |
628 | static int ev_default_loop_ptr; |
564 | |
629 | |
565 | #endif |
630 | #endif |
566 | |
631 | |
|
|
632 | #if EV_MINIMAL < 2 |
|
|
633 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
|
|
634 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
|
|
635 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
|
|
636 | #else |
|
|
637 | # define EV_RELEASE_CB (void)0 |
|
|
638 | # define EV_ACQUIRE_CB (void)0 |
|
|
639 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
|
|
640 | #endif |
|
|
641 | |
|
|
642 | #define EVUNLOOP_RECURSE 0x80 |
|
|
643 | |
567 | /*****************************************************************************/ |
644 | /*****************************************************************************/ |
568 | |
645 | |
569 | #ifndef EV_HAVE_EV_TIME |
646 | #ifndef EV_HAVE_EV_TIME |
570 | ev_tstamp |
647 | ev_tstamp |
571 | ev_time (void) |
648 | ev_time (void) |
… | |
… | |
627 | |
704 | |
628 | tv.tv_sec = (time_t)delay; |
705 | tv.tv_sec = (time_t)delay; |
629 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
706 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
630 | |
707 | |
631 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
708 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
632 | /* somehting nto guaranteed by newer posix versions, but guaranteed */ |
709 | /* something not guaranteed by newer posix versions, but guaranteed */ |
633 | /* by older ones */ |
710 | /* by older ones */ |
634 | select (0, 0, 0, 0, &tv); |
711 | select (0, 0, 0, 0, &tv); |
635 | #endif |
712 | #endif |
636 | } |
713 | } |
637 | } |
714 | } |
… | |
… | |
745 | } |
822 | } |
746 | |
823 | |
747 | /*****************************************************************************/ |
824 | /*****************************************************************************/ |
748 | |
825 | |
749 | inline_speed void |
826 | inline_speed void |
750 | fd_event (EV_P_ int fd, int revents) |
827 | fd_event_nc (EV_P_ int fd, int revents) |
751 | { |
828 | { |
752 | ANFD *anfd = anfds + fd; |
829 | ANFD *anfd = anfds + fd; |
753 | ev_io *w; |
830 | ev_io *w; |
754 | |
831 | |
755 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
832 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
759 | if (ev) |
836 | if (ev) |
760 | ev_feed_event (EV_A_ (W)w, ev); |
837 | ev_feed_event (EV_A_ (W)w, ev); |
761 | } |
838 | } |
762 | } |
839 | } |
763 | |
840 | |
|
|
841 | /* do not submit kernel events for fds that have reify set */ |
|
|
842 | /* because that means they changed while we were polling for new events */ |
|
|
843 | inline_speed void |
|
|
844 | fd_event (EV_P_ int fd, int revents) |
|
|
845 | { |
|
|
846 | ANFD *anfd = anfds + fd; |
|
|
847 | |
|
|
848 | if (expect_true (!anfd->reify)) |
|
|
849 | fd_event_nc (EV_A_ fd, revents); |
|
|
850 | } |
|
|
851 | |
764 | void |
852 | void |
765 | ev_feed_fd_event (EV_P_ int fd, int revents) |
853 | ev_feed_fd_event (EV_P_ int fd, int revents) |
766 | { |
854 | { |
767 | if (fd >= 0 && fd < anfdmax) |
855 | if (fd >= 0 && fd < anfdmax) |
768 | fd_event (EV_A_ fd, revents); |
856 | fd_event_nc (EV_A_ fd, revents); |
769 | } |
857 | } |
770 | |
858 | |
771 | /* make sure the external fd watch events are in-sync */ |
859 | /* make sure the external fd watch events are in-sync */ |
772 | /* with the kernel/libev internal state */ |
860 | /* with the kernel/libev internal state */ |
773 | inline_size void |
861 | inline_size void |
… | |
… | |
873 | |
961 | |
874 | for (fd = anfdmax; fd--; ) |
962 | for (fd = anfdmax; fd--; ) |
875 | if (anfds [fd].events) |
963 | if (anfds [fd].events) |
876 | { |
964 | { |
877 | fd_kill (EV_A_ fd); |
965 | fd_kill (EV_A_ fd); |
878 | return; |
966 | break; |
879 | } |
967 | } |
880 | } |
968 | } |
881 | |
969 | |
882 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
970 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
883 | static void noinline |
971 | static void noinline |
… | |
… | |
888 | for (fd = 0; fd < anfdmax; ++fd) |
976 | for (fd = 0; fd < anfdmax; ++fd) |
889 | if (anfds [fd].events) |
977 | if (anfds [fd].events) |
890 | { |
978 | { |
891 | anfds [fd].events = 0; |
979 | anfds [fd].events = 0; |
892 | anfds [fd].emask = 0; |
980 | anfds [fd].emask = 0; |
893 | fd_change (EV_A_ fd, EV__IOFDSET | 1); |
981 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
894 | } |
982 | } |
895 | } |
983 | } |
896 | |
984 | |
897 | /*****************************************************************************/ |
985 | /*****************************************************************************/ |
898 | |
986 | |
… | |
… | |
973 | |
1061 | |
974 | for (;;) |
1062 | for (;;) |
975 | { |
1063 | { |
976 | int c = k << 1; |
1064 | int c = k << 1; |
977 | |
1065 | |
978 | if (c > N + HEAP0 - 1) |
1066 | if (c >= N + HEAP0) |
979 | break; |
1067 | break; |
980 | |
1068 | |
981 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
1069 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
982 | ? 1 : 0; |
1070 | ? 1 : 0; |
983 | |
1071 | |
… | |
… | |
1019 | |
1107 | |
1020 | /* move an element suitably so it is in a correct place */ |
1108 | /* move an element suitably so it is in a correct place */ |
1021 | inline_size void |
1109 | inline_size void |
1022 | adjustheap (ANHE *heap, int N, int k) |
1110 | adjustheap (ANHE *heap, int N, int k) |
1023 | { |
1111 | { |
1024 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
1112 | if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)])) |
1025 | upheap (heap, k); |
1113 | upheap (heap, k); |
1026 | else |
1114 | else |
1027 | downheap (heap, N, k); |
1115 | downheap (heap, N, k); |
1028 | } |
1116 | } |
1029 | |
1117 | |
… | |
… | |
1042 | /*****************************************************************************/ |
1130 | /*****************************************************************************/ |
1043 | |
1131 | |
1044 | /* associate signal watchers to a signal signal */ |
1132 | /* associate signal watchers to a signal signal */ |
1045 | typedef struct |
1133 | typedef struct |
1046 | { |
1134 | { |
|
|
1135 | EV_ATOMIC_T pending; |
|
|
1136 | #if EV_MULTIPLICITY |
|
|
1137 | EV_P; |
|
|
1138 | #endif |
1047 | WL head; |
1139 | WL head; |
1048 | EV_ATOMIC_T gotsig; |
|
|
1049 | } ANSIG; |
1140 | } ANSIG; |
1050 | |
1141 | |
1051 | static ANSIG *signals; |
1142 | static ANSIG signals [EV_NSIG - 1]; |
1052 | static int signalmax; |
|
|
1053 | |
|
|
1054 | static EV_ATOMIC_T gotsig; |
|
|
1055 | |
1143 | |
1056 | /*****************************************************************************/ |
1144 | /*****************************************************************************/ |
1057 | |
1145 | |
1058 | /* used to prepare libev internal fd's */ |
1146 | /* used to prepare libev internal fd's */ |
1059 | /* this is not fork-safe */ |
1147 | /* this is not fork-safe */ |
… | |
… | |
1073 | evpipe_init (EV_P) |
1161 | evpipe_init (EV_P) |
1074 | { |
1162 | { |
1075 | if (!ev_is_active (&pipe_w)) |
1163 | if (!ev_is_active (&pipe_w)) |
1076 | { |
1164 | { |
1077 | #if EV_USE_EVENTFD |
1165 | #if EV_USE_EVENTFD |
|
|
1166 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
|
|
1167 | if (evfd < 0 && errno == EINVAL) |
1078 | if ((evfd = eventfd (0, 0)) >= 0) |
1168 | evfd = eventfd (0, 0); |
|
|
1169 | |
|
|
1170 | if (evfd >= 0) |
1079 | { |
1171 | { |
1080 | evpipe [0] = -1; |
1172 | evpipe [0] = -1; |
1081 | fd_intern (evfd); |
1173 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1082 | ev_io_set (&pipe_w, evfd, EV_READ); |
1174 | ev_io_set (&pipe_w, evfd, EV_READ); |
1083 | } |
1175 | } |
1084 | else |
1176 | else |
1085 | #endif |
1177 | #endif |
1086 | { |
1178 | { |
… | |
… | |
1123 | /* called whenever the libev signal pipe */ |
1215 | /* called whenever the libev signal pipe */ |
1124 | /* got some events (signal, async) */ |
1216 | /* got some events (signal, async) */ |
1125 | static void |
1217 | static void |
1126 | pipecb (EV_P_ ev_io *iow, int revents) |
1218 | pipecb (EV_P_ ev_io *iow, int revents) |
1127 | { |
1219 | { |
|
|
1220 | int i; |
|
|
1221 | |
1128 | #if EV_USE_EVENTFD |
1222 | #if EV_USE_EVENTFD |
1129 | if (evfd >= 0) |
1223 | if (evfd >= 0) |
1130 | { |
1224 | { |
1131 | uint64_t counter; |
1225 | uint64_t counter; |
1132 | read (evfd, &counter, sizeof (uint64_t)); |
1226 | read (evfd, &counter, sizeof (uint64_t)); |
… | |
… | |
1136 | { |
1230 | { |
1137 | char dummy; |
1231 | char dummy; |
1138 | read (evpipe [0], &dummy, 1); |
1232 | read (evpipe [0], &dummy, 1); |
1139 | } |
1233 | } |
1140 | |
1234 | |
1141 | if (gotsig && ev_is_default_loop (EV_A)) |
1235 | if (sig_pending) |
1142 | { |
1236 | { |
1143 | int signum; |
1237 | sig_pending = 0; |
1144 | gotsig = 0; |
|
|
1145 | |
1238 | |
1146 | for (signum = signalmax; signum--; ) |
1239 | for (i = EV_NSIG - 1; i--; ) |
1147 | if (signals [signum].gotsig) |
1240 | if (expect_false (signals [i].pending)) |
1148 | ev_feed_signal_event (EV_A_ signum + 1); |
1241 | ev_feed_signal_event (EV_A_ i + 1); |
1149 | } |
1242 | } |
1150 | |
1243 | |
1151 | #if EV_ASYNC_ENABLE |
1244 | #if EV_ASYNC_ENABLE |
1152 | if (gotasync) |
1245 | if (async_pending) |
1153 | { |
1246 | { |
1154 | int i; |
1247 | async_pending = 0; |
1155 | gotasync = 0; |
|
|
1156 | |
1248 | |
1157 | for (i = asynccnt; i--; ) |
1249 | for (i = asynccnt; i--; ) |
1158 | if (asyncs [i]->sent) |
1250 | if (asyncs [i]->sent) |
1159 | { |
1251 | { |
1160 | asyncs [i]->sent = 0; |
1252 | asyncs [i]->sent = 0; |
… | |
… | |
1168 | |
1260 | |
1169 | static void |
1261 | static void |
1170 | ev_sighandler (int signum) |
1262 | ev_sighandler (int signum) |
1171 | { |
1263 | { |
1172 | #if EV_MULTIPLICITY |
1264 | #if EV_MULTIPLICITY |
1173 | struct ev_loop *loop = &default_loop_struct; |
1265 | EV_P = signals [signum - 1].loop; |
1174 | #endif |
1266 | #endif |
1175 | |
1267 | |
1176 | #if _WIN32 |
1268 | #if _WIN32 |
1177 | signal (signum, ev_sighandler); |
1269 | signal (signum, ev_sighandler); |
1178 | #endif |
1270 | #endif |
1179 | |
1271 | |
1180 | signals [signum - 1].gotsig = 1; |
1272 | signals [signum - 1].pending = 1; |
1181 | evpipe_write (EV_A_ &gotsig); |
1273 | evpipe_write (EV_A_ &sig_pending); |
1182 | } |
1274 | } |
1183 | |
1275 | |
1184 | void noinline |
1276 | void noinline |
1185 | ev_feed_signal_event (EV_P_ int signum) |
1277 | ev_feed_signal_event (EV_P_ int signum) |
1186 | { |
1278 | { |
1187 | WL w; |
1279 | WL w; |
1188 | |
1280 | |
|
|
1281 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
|
|
1282 | return; |
|
|
1283 | |
|
|
1284 | --signum; |
|
|
1285 | |
1189 | #if EV_MULTIPLICITY |
1286 | #if EV_MULTIPLICITY |
1190 | assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1287 | /* it is permissible to try to feed a signal to the wrong loop */ |
1191 | #endif |
1288 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
1192 | |
1289 | |
1193 | --signum; |
1290 | if (expect_false (signals [signum].loop != EV_A)) |
1194 | |
|
|
1195 | if (signum < 0 || signum >= signalmax) |
|
|
1196 | return; |
1291 | return; |
|
|
1292 | #endif |
1197 | |
1293 | |
1198 | signals [signum].gotsig = 0; |
1294 | signals [signum].pending = 0; |
1199 | |
1295 | |
1200 | for (w = signals [signum].head; w; w = w->next) |
1296 | for (w = signals [signum].head; w; w = w->next) |
1201 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1297 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1202 | } |
1298 | } |
|
|
1299 | |
|
|
1300 | #if EV_USE_SIGNALFD |
|
|
1301 | static void |
|
|
1302 | sigfdcb (EV_P_ ev_io *iow, int revents) |
|
|
1303 | { |
|
|
1304 | struct signalfd_siginfo si[2], *sip; /* these structs are big */ |
|
|
1305 | |
|
|
1306 | for (;;) |
|
|
1307 | { |
|
|
1308 | ssize_t res = read (sigfd, si, sizeof (si)); |
|
|
1309 | |
|
|
1310 | /* not ISO-C, as res might be -1, but works with SuS */ |
|
|
1311 | for (sip = si; (char *)sip < (char *)si + res; ++sip) |
|
|
1312 | ev_feed_signal_event (EV_A_ sip->ssi_signo); |
|
|
1313 | |
|
|
1314 | if (res < (ssize_t)sizeof (si)) |
|
|
1315 | break; |
|
|
1316 | } |
|
|
1317 | } |
|
|
1318 | #endif |
1203 | |
1319 | |
1204 | /*****************************************************************************/ |
1320 | /*****************************************************************************/ |
1205 | |
1321 | |
1206 | static WL childs [EV_PID_HASHSIZE]; |
1322 | static WL childs [EV_PID_HASHSIZE]; |
1207 | |
1323 | |
… | |
… | |
1352 | ev_backend (EV_P) |
1468 | ev_backend (EV_P) |
1353 | { |
1469 | { |
1354 | return backend; |
1470 | return backend; |
1355 | } |
1471 | } |
1356 | |
1472 | |
|
|
1473 | #if EV_MINIMAL < 2 |
1357 | unsigned int |
1474 | unsigned int |
1358 | ev_loop_count (EV_P) |
1475 | ev_loop_count (EV_P) |
1359 | { |
1476 | { |
1360 | return loop_count; |
1477 | return loop_count; |
1361 | } |
1478 | } |
1362 | |
1479 | |
|
|
1480 | unsigned int |
|
|
1481 | ev_loop_depth (EV_P) |
|
|
1482 | { |
|
|
1483 | return loop_depth; |
|
|
1484 | } |
|
|
1485 | |
1363 | void |
1486 | void |
1364 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1487 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1365 | { |
1488 | { |
1366 | io_blocktime = interval; |
1489 | io_blocktime = interval; |
1367 | } |
1490 | } |
… | |
… | |
1369 | void |
1492 | void |
1370 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1493 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1371 | { |
1494 | { |
1372 | timeout_blocktime = interval; |
1495 | timeout_blocktime = interval; |
1373 | } |
1496 | } |
|
|
1497 | |
|
|
1498 | void |
|
|
1499 | ev_set_userdata (EV_P_ void *data) |
|
|
1500 | { |
|
|
1501 | userdata = data; |
|
|
1502 | } |
|
|
1503 | |
|
|
1504 | void * |
|
|
1505 | ev_userdata (EV_P) |
|
|
1506 | { |
|
|
1507 | return userdata; |
|
|
1508 | } |
|
|
1509 | |
|
|
1510 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
|
|
1511 | { |
|
|
1512 | invoke_cb = invoke_pending_cb; |
|
|
1513 | } |
|
|
1514 | |
|
|
1515 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
|
|
1516 | { |
|
|
1517 | release_cb = release; |
|
|
1518 | acquire_cb = acquire; |
|
|
1519 | } |
|
|
1520 | #endif |
1374 | |
1521 | |
1375 | /* initialise a loop structure, must be zero-initialised */ |
1522 | /* initialise a loop structure, must be zero-initialised */ |
1376 | static void noinline |
1523 | static void noinline |
1377 | loop_init (EV_P_ unsigned int flags) |
1524 | loop_init (EV_P_ unsigned int flags) |
1378 | { |
1525 | { |
… | |
… | |
1396 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1543 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1397 | have_monotonic = 1; |
1544 | have_monotonic = 1; |
1398 | } |
1545 | } |
1399 | #endif |
1546 | #endif |
1400 | |
1547 | |
|
|
1548 | /* pid check not overridable via env */ |
|
|
1549 | #ifndef _WIN32 |
|
|
1550 | if (flags & EVFLAG_FORKCHECK) |
|
|
1551 | curpid = getpid (); |
|
|
1552 | #endif |
|
|
1553 | |
|
|
1554 | if (!(flags & EVFLAG_NOENV) |
|
|
1555 | && !enable_secure () |
|
|
1556 | && getenv ("LIBEV_FLAGS")) |
|
|
1557 | flags = atoi (getenv ("LIBEV_FLAGS")); |
|
|
1558 | |
1401 | ev_rt_now = ev_time (); |
1559 | ev_rt_now = ev_time (); |
1402 | mn_now = get_clock (); |
1560 | mn_now = get_clock (); |
1403 | now_floor = mn_now; |
1561 | now_floor = mn_now; |
1404 | rtmn_diff = ev_rt_now - mn_now; |
1562 | rtmn_diff = ev_rt_now - mn_now; |
|
|
1563 | #if EV_MINIMAL < 2 |
|
|
1564 | invoke_cb = ev_invoke_pending; |
|
|
1565 | #endif |
1405 | |
1566 | |
1406 | io_blocktime = 0.; |
1567 | io_blocktime = 0.; |
1407 | timeout_blocktime = 0.; |
1568 | timeout_blocktime = 0.; |
1408 | backend = 0; |
1569 | backend = 0; |
1409 | backend_fd = -1; |
1570 | backend_fd = -1; |
1410 | gotasync = 0; |
1571 | sig_pending = 0; |
|
|
1572 | #if EV_ASYNC_ENABLE |
|
|
1573 | async_pending = 0; |
|
|
1574 | #endif |
1411 | #if EV_USE_INOTIFY |
1575 | #if EV_USE_INOTIFY |
1412 | fs_fd = -2; |
1576 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1413 | #endif |
1577 | #endif |
1414 | |
1578 | #if EV_USE_SIGNALFD |
1415 | /* pid check not overridable via env */ |
1579 | sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2; |
1416 | #ifndef _WIN32 |
|
|
1417 | if (flags & EVFLAG_FORKCHECK) |
|
|
1418 | curpid = getpid (); |
|
|
1419 | #endif |
1580 | #endif |
1420 | |
|
|
1421 | if (!(flags & EVFLAG_NOENV) |
|
|
1422 | && !enable_secure () |
|
|
1423 | && getenv ("LIBEV_FLAGS")) |
|
|
1424 | flags = atoi (getenv ("LIBEV_FLAGS")); |
|
|
1425 | |
1581 | |
1426 | if (!(flags & 0x0000ffffU)) |
1582 | if (!(flags & 0x0000ffffU)) |
1427 | flags |= ev_recommended_backends (); |
1583 | flags |= ev_recommended_backends (); |
1428 | |
1584 | |
1429 | #if EV_USE_PORT |
1585 | #if EV_USE_PORT |
… | |
… | |
1455 | { |
1611 | { |
1456 | int i; |
1612 | int i; |
1457 | |
1613 | |
1458 | if (ev_is_active (&pipe_w)) |
1614 | if (ev_is_active (&pipe_w)) |
1459 | { |
1615 | { |
1460 | ev_ref (EV_A); /* signal watcher */ |
1616 | /*ev_ref (EV_A);*/ |
1461 | ev_io_stop (EV_A_ &pipe_w); |
1617 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1462 | |
1618 | |
1463 | #if EV_USE_EVENTFD |
1619 | #if EV_USE_EVENTFD |
1464 | if (evfd >= 0) |
1620 | if (evfd >= 0) |
1465 | close (evfd); |
1621 | close (evfd); |
1466 | #endif |
1622 | #endif |
… | |
… | |
1470 | close (evpipe [0]); |
1626 | close (evpipe [0]); |
1471 | close (evpipe [1]); |
1627 | close (evpipe [1]); |
1472 | } |
1628 | } |
1473 | } |
1629 | } |
1474 | |
1630 | |
|
|
1631 | #if EV_USE_SIGNALFD |
|
|
1632 | if (ev_is_active (&sigfd_w)) |
|
|
1633 | { |
|
|
1634 | /*ev_ref (EV_A);*/ |
|
|
1635 | /*ev_io_stop (EV_A_ &sigfd_w);*/ |
|
|
1636 | |
|
|
1637 | close (sigfd); |
|
|
1638 | } |
|
|
1639 | #endif |
|
|
1640 | |
1475 | #if EV_USE_INOTIFY |
1641 | #if EV_USE_INOTIFY |
1476 | if (fs_fd >= 0) |
1642 | if (fs_fd >= 0) |
1477 | close (fs_fd); |
1643 | close (fs_fd); |
1478 | #endif |
1644 | #endif |
1479 | |
1645 | |
… | |
… | |
1502 | #if EV_IDLE_ENABLE |
1668 | #if EV_IDLE_ENABLE |
1503 | array_free (idle, [i]); |
1669 | array_free (idle, [i]); |
1504 | #endif |
1670 | #endif |
1505 | } |
1671 | } |
1506 | |
1672 | |
1507 | ev_free (anfds); anfdmax = 0; |
1673 | ev_free (anfds); anfds = 0; anfdmax = 0; |
1508 | |
1674 | |
1509 | /* have to use the microsoft-never-gets-it-right macro */ |
1675 | /* have to use the microsoft-never-gets-it-right macro */ |
1510 | array_free (rfeed, EMPTY); |
1676 | array_free (rfeed, EMPTY); |
1511 | array_free (fdchange, EMPTY); |
1677 | array_free (fdchange, EMPTY); |
1512 | array_free (timer, EMPTY); |
1678 | array_free (timer, EMPTY); |
… | |
… | |
1547 | |
1713 | |
1548 | if (ev_is_active (&pipe_w)) |
1714 | if (ev_is_active (&pipe_w)) |
1549 | { |
1715 | { |
1550 | /* this "locks" the handlers against writing to the pipe */ |
1716 | /* this "locks" the handlers against writing to the pipe */ |
1551 | /* while we modify the fd vars */ |
1717 | /* while we modify the fd vars */ |
1552 | gotsig = 1; |
1718 | sig_pending = 1; |
1553 | #if EV_ASYNC_ENABLE |
1719 | #if EV_ASYNC_ENABLE |
1554 | gotasync = 1; |
1720 | async_pending = 1; |
1555 | #endif |
1721 | #endif |
1556 | |
1722 | |
1557 | ev_ref (EV_A); |
1723 | ev_ref (EV_A); |
1558 | ev_io_stop (EV_A_ &pipe_w); |
1724 | ev_io_stop (EV_A_ &pipe_w); |
1559 | |
1725 | |
… | |
… | |
1579 | #if EV_MULTIPLICITY |
1745 | #if EV_MULTIPLICITY |
1580 | |
1746 | |
1581 | struct ev_loop * |
1747 | struct ev_loop * |
1582 | ev_loop_new (unsigned int flags) |
1748 | ev_loop_new (unsigned int flags) |
1583 | { |
1749 | { |
1584 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1750 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1585 | |
1751 | |
1586 | memset (loop, 0, sizeof (struct ev_loop)); |
1752 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1587 | |
|
|
1588 | loop_init (EV_A_ flags); |
1753 | loop_init (EV_A_ flags); |
1589 | |
1754 | |
1590 | if (ev_backend (EV_A)) |
1755 | if (ev_backend (EV_A)) |
1591 | return loop; |
1756 | return EV_A; |
1592 | |
1757 | |
1593 | return 0; |
1758 | return 0; |
1594 | } |
1759 | } |
1595 | |
1760 | |
1596 | void |
1761 | void |
… | |
… | |
1603 | void |
1768 | void |
1604 | ev_loop_fork (EV_P) |
1769 | ev_loop_fork (EV_P) |
1605 | { |
1770 | { |
1606 | postfork = 1; /* must be in line with ev_default_fork */ |
1771 | postfork = 1; /* must be in line with ev_default_fork */ |
1607 | } |
1772 | } |
|
|
1773 | #endif /* multiplicity */ |
1608 | |
1774 | |
1609 | #if EV_VERIFY |
1775 | #if EV_VERIFY |
1610 | static void noinline |
1776 | static void noinline |
1611 | verify_watcher (EV_P_ W w) |
1777 | verify_watcher (EV_P_ W w) |
1612 | { |
1778 | { |
… | |
… | |
1640 | verify_watcher (EV_A_ ws [cnt]); |
1806 | verify_watcher (EV_A_ ws [cnt]); |
1641 | } |
1807 | } |
1642 | } |
1808 | } |
1643 | #endif |
1809 | #endif |
1644 | |
1810 | |
|
|
1811 | #if EV_MINIMAL < 2 |
1645 | void |
1812 | void |
1646 | ev_loop_verify (EV_P) |
1813 | ev_loop_verify (EV_P) |
1647 | { |
1814 | { |
1648 | #if EV_VERIFY |
1815 | #if EV_VERIFY |
1649 | int i; |
1816 | int i; |
… | |
… | |
1698 | assert (checkmax >= checkcnt); |
1865 | assert (checkmax >= checkcnt); |
1699 | array_verify (EV_A_ (W *)checks, checkcnt); |
1866 | array_verify (EV_A_ (W *)checks, checkcnt); |
1700 | |
1867 | |
1701 | # if 0 |
1868 | # if 0 |
1702 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1869 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1703 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1870 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
1704 | # endif |
1871 | # endif |
1705 | #endif |
1872 | #endif |
1706 | } |
1873 | } |
1707 | |
1874 | #endif |
1708 | #endif /* multiplicity */ |
|
|
1709 | |
1875 | |
1710 | #if EV_MULTIPLICITY |
1876 | #if EV_MULTIPLICITY |
1711 | struct ev_loop * |
1877 | struct ev_loop * |
1712 | ev_default_loop_init (unsigned int flags) |
1878 | ev_default_loop_init (unsigned int flags) |
1713 | #else |
1879 | #else |
… | |
… | |
1716 | #endif |
1882 | #endif |
1717 | { |
1883 | { |
1718 | if (!ev_default_loop_ptr) |
1884 | if (!ev_default_loop_ptr) |
1719 | { |
1885 | { |
1720 | #if EV_MULTIPLICITY |
1886 | #if EV_MULTIPLICITY |
1721 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1887 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
1722 | #else |
1888 | #else |
1723 | ev_default_loop_ptr = 1; |
1889 | ev_default_loop_ptr = 1; |
1724 | #endif |
1890 | #endif |
1725 | |
1891 | |
1726 | loop_init (EV_A_ flags); |
1892 | loop_init (EV_A_ flags); |
… | |
… | |
1743 | |
1909 | |
1744 | void |
1910 | void |
1745 | ev_default_destroy (void) |
1911 | ev_default_destroy (void) |
1746 | { |
1912 | { |
1747 | #if EV_MULTIPLICITY |
1913 | #if EV_MULTIPLICITY |
1748 | struct ev_loop *loop = ev_default_loop_ptr; |
1914 | EV_P = ev_default_loop_ptr; |
1749 | #endif |
1915 | #endif |
1750 | |
1916 | |
1751 | ev_default_loop_ptr = 0; |
1917 | ev_default_loop_ptr = 0; |
1752 | |
1918 | |
1753 | #ifndef _WIN32 |
1919 | #ifndef _WIN32 |
… | |
… | |
1760 | |
1926 | |
1761 | void |
1927 | void |
1762 | ev_default_fork (void) |
1928 | ev_default_fork (void) |
1763 | { |
1929 | { |
1764 | #if EV_MULTIPLICITY |
1930 | #if EV_MULTIPLICITY |
1765 | struct ev_loop *loop = ev_default_loop_ptr; |
1931 | EV_P = ev_default_loop_ptr; |
1766 | #endif |
1932 | #endif |
1767 | |
1933 | |
1768 | postfork = 1; /* must be in line with ev_loop_fork */ |
1934 | postfork = 1; /* must be in line with ev_loop_fork */ |
1769 | } |
1935 | } |
1770 | |
1936 | |
… | |
… | |
1774 | ev_invoke (EV_P_ void *w, int revents) |
1940 | ev_invoke (EV_P_ void *w, int revents) |
1775 | { |
1941 | { |
1776 | EV_CB_INVOKE ((W)w, revents); |
1942 | EV_CB_INVOKE ((W)w, revents); |
1777 | } |
1943 | } |
1778 | |
1944 | |
1779 | inline_speed void |
1945 | unsigned int |
1780 | call_pending (EV_P) |
1946 | ev_pending_count (EV_P) |
|
|
1947 | { |
|
|
1948 | int pri; |
|
|
1949 | unsigned int count = 0; |
|
|
1950 | |
|
|
1951 | for (pri = NUMPRI; pri--; ) |
|
|
1952 | count += pendingcnt [pri]; |
|
|
1953 | |
|
|
1954 | return count; |
|
|
1955 | } |
|
|
1956 | |
|
|
1957 | void noinline |
|
|
1958 | ev_invoke_pending (EV_P) |
1781 | { |
1959 | { |
1782 | int pri; |
1960 | int pri; |
1783 | |
1961 | |
1784 | for (pri = NUMPRI; pri--; ) |
1962 | for (pri = NUMPRI; pri--; ) |
1785 | while (pendingcnt [pri]) |
1963 | while (pendingcnt [pri]) |
… | |
… | |
2020 | |
2198 | |
2021 | mn_now = ev_rt_now; |
2199 | mn_now = ev_rt_now; |
2022 | } |
2200 | } |
2023 | } |
2201 | } |
2024 | |
2202 | |
2025 | static int loop_done; |
|
|
2026 | |
|
|
2027 | void |
2203 | void |
2028 | ev_loop (EV_P_ int flags) |
2204 | ev_loop (EV_P_ int flags) |
2029 | { |
2205 | { |
|
|
2206 | #if EV_MINIMAL < 2 |
|
|
2207 | ++loop_depth; |
|
|
2208 | #endif |
|
|
2209 | |
|
|
2210 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
|
|
2211 | |
2030 | loop_done = EVUNLOOP_CANCEL; |
2212 | loop_done = EVUNLOOP_CANCEL; |
2031 | |
2213 | |
2032 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
2214 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2033 | |
2215 | |
2034 | do |
2216 | do |
2035 | { |
2217 | { |
2036 | #if EV_VERIFY >= 2 |
2218 | #if EV_VERIFY >= 2 |
2037 | ev_loop_verify (EV_A); |
2219 | ev_loop_verify (EV_A); |
… | |
… | |
2050 | /* we might have forked, so queue fork handlers */ |
2232 | /* we might have forked, so queue fork handlers */ |
2051 | if (expect_false (postfork)) |
2233 | if (expect_false (postfork)) |
2052 | if (forkcnt) |
2234 | if (forkcnt) |
2053 | { |
2235 | { |
2054 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2236 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2055 | call_pending (EV_A); |
2237 | EV_INVOKE_PENDING; |
2056 | } |
2238 | } |
2057 | #endif |
2239 | #endif |
2058 | |
2240 | |
2059 | /* queue prepare watchers (and execute them) */ |
2241 | /* queue prepare watchers (and execute them) */ |
2060 | if (expect_false (preparecnt)) |
2242 | if (expect_false (preparecnt)) |
2061 | { |
2243 | { |
2062 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2244 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2063 | call_pending (EV_A); |
2245 | EV_INVOKE_PENDING; |
2064 | } |
2246 | } |
|
|
2247 | |
|
|
2248 | if (expect_false (loop_done)) |
|
|
2249 | break; |
2065 | |
2250 | |
2066 | /* we might have forked, so reify kernel state if necessary */ |
2251 | /* we might have forked, so reify kernel state if necessary */ |
2067 | if (expect_false (postfork)) |
2252 | if (expect_false (postfork)) |
2068 | loop_fork (EV_A); |
2253 | loop_fork (EV_A); |
2069 | |
2254 | |
… | |
… | |
2075 | ev_tstamp waittime = 0.; |
2260 | ev_tstamp waittime = 0.; |
2076 | ev_tstamp sleeptime = 0.; |
2261 | ev_tstamp sleeptime = 0.; |
2077 | |
2262 | |
2078 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2263 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2079 | { |
2264 | { |
|
|
2265 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2266 | ev_tstamp prev_mn_now = mn_now; |
|
|
2267 | |
2080 | /* update time to cancel out callback processing overhead */ |
2268 | /* update time to cancel out callback processing overhead */ |
2081 | time_update (EV_A_ 1e100); |
2269 | time_update (EV_A_ 1e100); |
2082 | |
2270 | |
2083 | waittime = MAX_BLOCKTIME; |
2271 | waittime = MAX_BLOCKTIME; |
2084 | |
2272 | |
… | |
… | |
2094 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
2282 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
2095 | if (waittime > to) waittime = to; |
2283 | if (waittime > to) waittime = to; |
2096 | } |
2284 | } |
2097 | #endif |
2285 | #endif |
2098 | |
2286 | |
|
|
2287 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
2099 | if (expect_false (waittime < timeout_blocktime)) |
2288 | if (expect_false (waittime < timeout_blocktime)) |
2100 | waittime = timeout_blocktime; |
2289 | waittime = timeout_blocktime; |
2101 | |
2290 | |
2102 | sleeptime = waittime - backend_fudge; |
2291 | /* extra check because io_blocktime is commonly 0 */ |
2103 | |
|
|
2104 | if (expect_true (sleeptime > io_blocktime)) |
2292 | if (expect_false (io_blocktime)) |
2105 | sleeptime = io_blocktime; |
|
|
2106 | |
|
|
2107 | if (sleeptime) |
|
|
2108 | { |
2293 | { |
|
|
2294 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
|
|
2295 | |
|
|
2296 | if (sleeptime > waittime - backend_fudge) |
|
|
2297 | sleeptime = waittime - backend_fudge; |
|
|
2298 | |
|
|
2299 | if (expect_true (sleeptime > 0.)) |
|
|
2300 | { |
2109 | ev_sleep (sleeptime); |
2301 | ev_sleep (sleeptime); |
2110 | waittime -= sleeptime; |
2302 | waittime -= sleeptime; |
|
|
2303 | } |
2111 | } |
2304 | } |
2112 | } |
2305 | } |
2113 | |
2306 | |
|
|
2307 | #if EV_MINIMAL < 2 |
2114 | ++loop_count; |
2308 | ++loop_count; |
|
|
2309 | #endif |
|
|
2310 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2115 | backend_poll (EV_A_ waittime); |
2311 | backend_poll (EV_A_ waittime); |
|
|
2312 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2116 | |
2313 | |
2117 | /* update ev_rt_now, do magic */ |
2314 | /* update ev_rt_now, do magic */ |
2118 | time_update (EV_A_ waittime + sleeptime); |
2315 | time_update (EV_A_ waittime + sleeptime); |
2119 | } |
2316 | } |
2120 | |
2317 | |
… | |
… | |
2131 | |
2328 | |
2132 | /* queue check watchers, to be executed first */ |
2329 | /* queue check watchers, to be executed first */ |
2133 | if (expect_false (checkcnt)) |
2330 | if (expect_false (checkcnt)) |
2134 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2331 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2135 | |
2332 | |
2136 | call_pending (EV_A); |
2333 | EV_INVOKE_PENDING; |
2137 | } |
2334 | } |
2138 | while (expect_true ( |
2335 | while (expect_true ( |
2139 | activecnt |
2336 | activecnt |
2140 | && !loop_done |
2337 | && !loop_done |
2141 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2338 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2142 | )); |
2339 | )); |
2143 | |
2340 | |
2144 | if (loop_done == EVUNLOOP_ONE) |
2341 | if (loop_done == EVUNLOOP_ONE) |
2145 | loop_done = EVUNLOOP_CANCEL; |
2342 | loop_done = EVUNLOOP_CANCEL; |
|
|
2343 | |
|
|
2344 | #if EV_MINIMAL < 2 |
|
|
2345 | --loop_depth; |
|
|
2346 | #endif |
2146 | } |
2347 | } |
2147 | |
2348 | |
2148 | void |
2349 | void |
2149 | ev_unloop (EV_P_ int how) |
2350 | ev_unloop (EV_P_ int how) |
2150 | { |
2351 | { |
… | |
… | |
2201 | inline_size void |
2402 | inline_size void |
2202 | wlist_del (WL *head, WL elem) |
2403 | wlist_del (WL *head, WL elem) |
2203 | { |
2404 | { |
2204 | while (*head) |
2405 | while (*head) |
2205 | { |
2406 | { |
2206 | if (*head == elem) |
2407 | if (expect_true (*head == elem)) |
2207 | { |
2408 | { |
2208 | *head = elem->next; |
2409 | *head = elem->next; |
2209 | return; |
2410 | break; |
2210 | } |
2411 | } |
2211 | |
2412 | |
2212 | head = &(*head)->next; |
2413 | head = &(*head)->next; |
2213 | } |
2414 | } |
2214 | } |
2415 | } |
… | |
… | |
2242 | } |
2443 | } |
2243 | |
2444 | |
2244 | inline_size void |
2445 | inline_size void |
2245 | pri_adjust (EV_P_ W w) |
2446 | pri_adjust (EV_P_ W w) |
2246 | { |
2447 | { |
2247 | int pri = w->priority; |
2448 | int pri = ev_priority (w); |
2248 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2449 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2249 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2450 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2250 | w->priority = pri; |
2451 | ev_set_priority (w, pri); |
2251 | } |
2452 | } |
2252 | |
2453 | |
2253 | inline_speed void |
2454 | inline_speed void |
2254 | ev_start (EV_P_ W w, int active) |
2455 | ev_start (EV_P_ W w, int active) |
2255 | { |
2456 | { |
… | |
… | |
2282 | |
2483 | |
2283 | ev_start (EV_A_ (W)w, 1); |
2484 | ev_start (EV_A_ (W)w, 1); |
2284 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2485 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2285 | wlist_add (&anfds[fd].head, (WL)w); |
2486 | wlist_add (&anfds[fd].head, (WL)w); |
2286 | |
2487 | |
2287 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | 1); |
2488 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
2288 | w->events &= ~EV__IOFDSET; |
2489 | w->events &= ~EV__IOFDSET; |
2289 | |
2490 | |
2290 | EV_FREQUENT_CHECK; |
2491 | EV_FREQUENT_CHECK; |
2291 | } |
2492 | } |
2292 | |
2493 | |
… | |
… | |
2386 | } |
2587 | } |
2387 | |
2588 | |
2388 | EV_FREQUENT_CHECK; |
2589 | EV_FREQUENT_CHECK; |
2389 | } |
2590 | } |
2390 | |
2591 | |
|
|
2592 | ev_tstamp |
|
|
2593 | ev_timer_remaining (EV_P_ ev_timer *w) |
|
|
2594 | { |
|
|
2595 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
|
|
2596 | } |
|
|
2597 | |
2391 | #if EV_PERIODIC_ENABLE |
2598 | #if EV_PERIODIC_ENABLE |
2392 | void noinline |
2599 | void noinline |
2393 | ev_periodic_start (EV_P_ ev_periodic *w) |
2600 | ev_periodic_start (EV_P_ ev_periodic *w) |
2394 | { |
2601 | { |
2395 | if (expect_false (ev_is_active (w))) |
2602 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2462 | #endif |
2669 | #endif |
2463 | |
2670 | |
2464 | void noinline |
2671 | void noinline |
2465 | ev_signal_start (EV_P_ ev_signal *w) |
2672 | ev_signal_start (EV_P_ ev_signal *w) |
2466 | { |
2673 | { |
2467 | #if EV_MULTIPLICITY |
|
|
2468 | assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
2469 | #endif |
|
|
2470 | if (expect_false (ev_is_active (w))) |
2674 | if (expect_false (ev_is_active (w))) |
2471 | return; |
2675 | return; |
2472 | |
2676 | |
2473 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0)); |
2677 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
2474 | |
2678 | |
2475 | evpipe_init (EV_A); |
2679 | #if EV_MULTIPLICITY |
|
|
2680 | assert (("libev: a signal must not be attached to two different loops", |
|
|
2681 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
2476 | |
2682 | |
2477 | EV_FREQUENT_CHECK; |
2683 | signals [w->signum - 1].loop = EV_A; |
|
|
2684 | #endif |
2478 | |
2685 | |
|
|
2686 | EV_FREQUENT_CHECK; |
|
|
2687 | |
|
|
2688 | #if EV_USE_SIGNALFD |
|
|
2689 | if (sigfd == -2) |
2479 | { |
2690 | { |
2480 | #ifndef _WIN32 |
2691 | sigfd = signalfd (-1, &sigfd_set, SFD_NONBLOCK | SFD_CLOEXEC); |
2481 | sigset_t full, prev; |
2692 | if (sigfd < 0 && errno == EINVAL) |
2482 | sigfillset (&full); |
2693 | sigfd = signalfd (-1, &sigfd_set, 0); /* retry without flags */ |
2483 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
2484 | #endif |
|
|
2485 | |
2694 | |
2486 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
2695 | if (sigfd >= 0) |
|
|
2696 | { |
|
|
2697 | fd_intern (sigfd); /* doing it twice will not hurt */ |
2487 | |
2698 | |
2488 | #ifndef _WIN32 |
2699 | sigemptyset (&sigfd_set); |
2489 | sigprocmask (SIG_SETMASK, &prev, 0); |
2700 | |
2490 | #endif |
2701 | ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ); |
|
|
2702 | ev_set_priority (&sigfd_w, EV_MAXPRI); |
|
|
2703 | ev_io_start (EV_A_ &sigfd_w); |
|
|
2704 | ev_unref (EV_A); /* signalfd watcher should not keep loop alive */ |
|
|
2705 | } |
2491 | } |
2706 | } |
|
|
2707 | |
|
|
2708 | if (sigfd >= 0) |
|
|
2709 | { |
|
|
2710 | /* TODO: check .head */ |
|
|
2711 | sigaddset (&sigfd_set, w->signum); |
|
|
2712 | sigprocmask (SIG_BLOCK, &sigfd_set, 0); |
|
|
2713 | |
|
|
2714 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2715 | } |
|
|
2716 | #endif |
2492 | |
2717 | |
2493 | ev_start (EV_A_ (W)w, 1); |
2718 | ev_start (EV_A_ (W)w, 1); |
2494 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2719 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2495 | |
2720 | |
2496 | if (!((WL)w)->next) |
2721 | if (!((WL)w)->next) |
|
|
2722 | # if EV_USE_SIGNALFD |
|
|
2723 | if (sigfd < 0) /*TODO*/ |
|
|
2724 | # endif |
2497 | { |
2725 | { |
2498 | #if _WIN32 |
2726 | # if _WIN32 |
2499 | signal (w->signum, ev_sighandler); |
2727 | signal (w->signum, ev_sighandler); |
2500 | #else |
2728 | # else |
2501 | struct sigaction sa; |
2729 | struct sigaction sa; |
|
|
2730 | |
|
|
2731 | evpipe_init (EV_A); |
|
|
2732 | |
2502 | sa.sa_handler = ev_sighandler; |
2733 | sa.sa_handler = ev_sighandler; |
2503 | sigfillset (&sa.sa_mask); |
2734 | sigfillset (&sa.sa_mask); |
2504 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2735 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2505 | sigaction (w->signum, &sa, 0); |
2736 | sigaction (w->signum, &sa, 0); |
|
|
2737 | |
|
|
2738 | sigemptyset (&sa.sa_mask); |
|
|
2739 | sigaddset (&sa.sa_mask, w->signum); |
|
|
2740 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
2506 | #endif |
2741 | #endif |
2507 | } |
2742 | } |
2508 | |
2743 | |
2509 | EV_FREQUENT_CHECK; |
2744 | EV_FREQUENT_CHECK; |
2510 | } |
2745 | } |
2511 | |
2746 | |
2512 | void noinline |
2747 | void noinline |
… | |
… | |
2520 | |
2755 | |
2521 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2756 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2522 | ev_stop (EV_A_ (W)w); |
2757 | ev_stop (EV_A_ (W)w); |
2523 | |
2758 | |
2524 | if (!signals [w->signum - 1].head) |
2759 | if (!signals [w->signum - 1].head) |
|
|
2760 | { |
|
|
2761 | #if EV_MULTIPLICITY |
|
|
2762 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
|
|
2763 | #endif |
|
|
2764 | #if EV_USE_SIGNALFD |
|
|
2765 | if (sigfd >= 0) |
|
|
2766 | { |
|
|
2767 | sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D |
|
|
2768 | sigdelset (&sigfd_set, w->signum); |
|
|
2769 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2770 | sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D |
|
|
2771 | /*TODO: maybe unblock signal? */ |
|
|
2772 | } |
|
|
2773 | else |
|
|
2774 | #endif |
2525 | signal (w->signum, SIG_DFL); |
2775 | signal (w->signum, SIG_DFL); |
|
|
2776 | } |
2526 | |
2777 | |
2527 | EV_FREQUENT_CHECK; |
2778 | EV_FREQUENT_CHECK; |
2528 | } |
2779 | } |
2529 | |
2780 | |
2530 | void |
2781 | void |
… | |
… | |
2610 | } |
2861 | } |
2611 | } |
2862 | } |
2612 | |
2863 | |
2613 | if (w->wd >= 0) |
2864 | if (w->wd >= 0) |
2614 | { |
2865 | { |
|
|
2866 | struct statfs sfs; |
|
|
2867 | |
2615 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2868 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2616 | |
2869 | |
2617 | /* now local changes will be tracked by inotify, but remote changes won't */ |
2870 | /* now local changes will be tracked by inotify, but remote changes won't */ |
2618 | /* unless the filesystem it known to be local, we therefore still poll */ |
2871 | /* unless the filesystem it known to be local, we therefore still poll */ |
2619 | /* also do poll on <2.6.25, but with normal frequency */ |
2872 | /* also do poll on <2.6.25, but with normal frequency */ |
2620 | struct statfs sfs; |
|
|
2621 | |
2873 | |
2622 | if (fs_2625 && !statfs (w->path, &sfs)) |
2874 | if (fs_2625 && !statfs (w->path, &sfs)) |
2623 | if (sfs.f_type == 0x1373 /* devfs */ |
2875 | if (sfs.f_type == 0x1373 /* devfs */ |
2624 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
2876 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
2625 | || sfs.f_type == 0x3153464a /* jfs */ |
2877 | || sfs.f_type == 0x3153464a /* jfs */ |
… | |
… | |
3010 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3262 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3011 | { |
3263 | { |
3012 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3264 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3013 | |
3265 | |
3014 | { |
3266 | { |
3015 | struct ev_loop *loop = w->other; |
3267 | EV_P = w->other; |
3016 | |
3268 | |
3017 | while (fdchangecnt) |
3269 | while (fdchangecnt) |
3018 | { |
3270 | { |
3019 | fd_reify (EV_A); |
3271 | fd_reify (EV_A); |
3020 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3272 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
… | |
… | |
3028 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
3280 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
3029 | |
3281 | |
3030 | ev_embed_stop (EV_A_ w); |
3282 | ev_embed_stop (EV_A_ w); |
3031 | |
3283 | |
3032 | { |
3284 | { |
3033 | struct ev_loop *loop = w->other; |
3285 | EV_P = w->other; |
3034 | |
3286 | |
3035 | ev_loop_fork (EV_A); |
3287 | ev_loop_fork (EV_A); |
3036 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3288 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3037 | } |
3289 | } |
3038 | |
3290 | |
… | |
… | |
3052 | { |
3304 | { |
3053 | if (expect_false (ev_is_active (w))) |
3305 | if (expect_false (ev_is_active (w))) |
3054 | return; |
3306 | return; |
3055 | |
3307 | |
3056 | { |
3308 | { |
3057 | struct ev_loop *loop = w->other; |
3309 | EV_P = w->other; |
3058 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3310 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3059 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3311 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3060 | } |
3312 | } |
3061 | |
3313 | |
3062 | EV_FREQUENT_CHECK; |
3314 | EV_FREQUENT_CHECK; |
… | |
… | |
3174 | |
3426 | |
3175 | void |
3427 | void |
3176 | ev_async_send (EV_P_ ev_async *w) |
3428 | ev_async_send (EV_P_ ev_async *w) |
3177 | { |
3429 | { |
3178 | w->sent = 1; |
3430 | w->sent = 1; |
3179 | evpipe_write (EV_A_ &gotasync); |
3431 | evpipe_write (EV_A_ &async_pending); |
3180 | } |
3432 | } |
3181 | #endif |
3433 | #endif |
3182 | |
3434 | |
3183 | /*****************************************************************************/ |
3435 | /*****************************************************************************/ |
3184 | |
3436 | |
… | |
… | |
3333 | if (types & EV_CHECK) |
3585 | if (types & EV_CHECK) |
3334 | for (i = checkcnt; i--; ) |
3586 | for (i = checkcnt; i--; ) |
3335 | cb (EV_A_ EV_CHECK, checks [i]); |
3587 | cb (EV_A_ EV_CHECK, checks [i]); |
3336 | |
3588 | |
3337 | if (types & EV_SIGNAL) |
3589 | if (types & EV_SIGNAL) |
3338 | for (i = 0; i < signalmax; ++i) |
3590 | for (i = 0; i < EV_NSIG - 1; ++i) |
3339 | for (wl = signals [i].head; wl; ) |
3591 | for (wl = signals [i].head; wl; ) |
3340 | { |
3592 | { |
3341 | wn = wl->next; |
3593 | wn = wl->next; |
3342 | cb (EV_A_ EV_SIGNAL, wl); |
3594 | cb (EV_A_ EV_SIGNAL, wl); |
3343 | wl = wn; |
3595 | wl = wn; |