… | |
… | |
39 | |
39 | |
40 | #ifdef __cplusplus |
40 | #ifdef __cplusplus |
41 | extern "C" { |
41 | extern "C" { |
42 | #endif |
42 | #endif |
43 | |
43 | |
|
|
44 | /* this big block deduces configuration from config.h */ |
44 | #ifndef EV_STANDALONE |
45 | #ifndef EV_STANDALONE |
45 | # ifdef EV_CONFIG_H |
46 | # ifdef EV_CONFIG_H |
46 | # include EV_CONFIG_H |
47 | # include EV_CONFIG_H |
47 | # else |
48 | # else |
48 | # include "config.h" |
49 | # include "config.h" |
… | |
… | |
118 | # else |
119 | # else |
119 | # define EV_USE_INOTIFY 0 |
120 | # define EV_USE_INOTIFY 0 |
120 | # endif |
121 | # endif |
121 | # endif |
122 | # endif |
122 | |
123 | |
|
|
124 | # ifndef EV_USE_EVENTFD |
|
|
125 | # if HAVE_EVENTFD |
|
|
126 | # define EV_USE_EVENTFD 1 |
|
|
127 | # else |
|
|
128 | # define EV_USE_EVENTFD 0 |
|
|
129 | # endif |
|
|
130 | # endif |
|
|
131 | |
123 | #endif |
132 | #endif |
124 | |
133 | |
125 | #include <math.h> |
134 | #include <math.h> |
126 | #include <stdlib.h> |
135 | #include <stdlib.h> |
127 | #include <fcntl.h> |
136 | #include <fcntl.h> |
… | |
… | |
152 | # ifndef EV_SELECT_IS_WINSOCKET |
161 | # ifndef EV_SELECT_IS_WINSOCKET |
153 | # define EV_SELECT_IS_WINSOCKET 1 |
162 | # define EV_SELECT_IS_WINSOCKET 1 |
154 | # endif |
163 | # endif |
155 | #endif |
164 | #endif |
156 | |
165 | |
157 | /**/ |
166 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
158 | |
167 | |
159 | #ifndef EV_USE_MONOTONIC |
168 | #ifndef EV_USE_MONOTONIC |
160 | # define EV_USE_MONOTONIC 0 |
169 | # define EV_USE_MONOTONIC 0 |
161 | #endif |
170 | #endif |
162 | |
171 | |
… | |
… | |
179 | # define EV_USE_POLL 1 |
188 | # define EV_USE_POLL 1 |
180 | # endif |
189 | # endif |
181 | #endif |
190 | #endif |
182 | |
191 | |
183 | #ifndef EV_USE_EPOLL |
192 | #ifndef EV_USE_EPOLL |
|
|
193 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
|
|
194 | # define EV_USE_EPOLL 1 |
|
|
195 | # else |
184 | # define EV_USE_EPOLL 0 |
196 | # define EV_USE_EPOLL 0 |
|
|
197 | # endif |
185 | #endif |
198 | #endif |
186 | |
199 | |
187 | #ifndef EV_USE_KQUEUE |
200 | #ifndef EV_USE_KQUEUE |
188 | # define EV_USE_KQUEUE 0 |
201 | # define EV_USE_KQUEUE 0 |
189 | #endif |
202 | #endif |
… | |
… | |
191 | #ifndef EV_USE_PORT |
204 | #ifndef EV_USE_PORT |
192 | # define EV_USE_PORT 0 |
205 | # define EV_USE_PORT 0 |
193 | #endif |
206 | #endif |
194 | |
207 | |
195 | #ifndef EV_USE_INOTIFY |
208 | #ifndef EV_USE_INOTIFY |
|
|
209 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
|
|
210 | # define EV_USE_INOTIFY 1 |
|
|
211 | # else |
196 | # define EV_USE_INOTIFY 0 |
212 | # define EV_USE_INOTIFY 0 |
|
|
213 | # endif |
197 | #endif |
214 | #endif |
198 | |
215 | |
199 | #ifndef EV_PID_HASHSIZE |
216 | #ifndef EV_PID_HASHSIZE |
200 | # if EV_MINIMAL |
217 | # if EV_MINIMAL |
201 | # define EV_PID_HASHSIZE 1 |
218 | # define EV_PID_HASHSIZE 1 |
… | |
… | |
210 | # else |
227 | # else |
211 | # define EV_INOTIFY_HASHSIZE 16 |
228 | # define EV_INOTIFY_HASHSIZE 16 |
212 | # endif |
229 | # endif |
213 | #endif |
230 | #endif |
214 | |
231 | |
215 | /**/ |
232 | #ifndef EV_USE_EVENTFD |
|
|
233 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
|
|
234 | # define EV_USE_EVENTFD 1 |
|
|
235 | # else |
|
|
236 | # define EV_USE_EVENTFD 0 |
|
|
237 | # endif |
|
|
238 | #endif |
|
|
239 | |
|
|
240 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
216 | |
241 | |
217 | #ifndef CLOCK_MONOTONIC |
242 | #ifndef CLOCK_MONOTONIC |
218 | # undef EV_USE_MONOTONIC |
243 | # undef EV_USE_MONOTONIC |
219 | # define EV_USE_MONOTONIC 0 |
244 | # define EV_USE_MONOTONIC 0 |
220 | #endif |
245 | #endif |
… | |
… | |
239 | # include <sys/inotify.h> |
264 | # include <sys/inotify.h> |
240 | #endif |
265 | #endif |
241 | |
266 | |
242 | #if EV_SELECT_IS_WINSOCKET |
267 | #if EV_SELECT_IS_WINSOCKET |
243 | # include <winsock.h> |
268 | # include <winsock.h> |
|
|
269 | #endif |
|
|
270 | |
|
|
271 | #if EV_USE_EVENTFD |
|
|
272 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
273 | # include <stdint.h> |
|
|
274 | # ifdef __cplusplus |
|
|
275 | extern "C" { |
|
|
276 | # endif |
|
|
277 | int eventfd (unsigned int initval, int flags); |
|
|
278 | # ifdef __cplusplus |
|
|
279 | } |
|
|
280 | # endif |
244 | #endif |
281 | #endif |
245 | |
282 | |
246 | /**/ |
283 | /**/ |
247 | |
284 | |
248 | /* |
285 | /* |
… | |
… | |
263 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
300 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
264 | # define noinline __attribute__ ((noinline)) |
301 | # define noinline __attribute__ ((noinline)) |
265 | #else |
302 | #else |
266 | # define expect(expr,value) (expr) |
303 | # define expect(expr,value) (expr) |
267 | # define noinline |
304 | # define noinline |
268 | # if __STDC_VERSION__ < 199901L |
305 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
269 | # define inline |
306 | # define inline |
270 | # endif |
307 | # endif |
271 | #endif |
308 | #endif |
272 | |
309 | |
273 | #define expect_false(expr) expect ((expr) != 0, 0) |
310 | #define expect_false(expr) expect ((expr) != 0, 0) |
… | |
… | |
288 | |
325 | |
289 | typedef ev_watcher *W; |
326 | typedef ev_watcher *W; |
290 | typedef ev_watcher_list *WL; |
327 | typedef ev_watcher_list *WL; |
291 | typedef ev_watcher_time *WT; |
328 | typedef ev_watcher_time *WT; |
292 | |
329 | |
|
|
330 | #define ev_active(w) ((W)(w))->active |
|
|
331 | #define ev_at(w) ((WT)(w))->at |
|
|
332 | |
293 | #if EV_USE_MONOTONIC |
333 | #if EV_USE_MONOTONIC |
294 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
334 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
295 | /* giving it a reasonably high chance of working on typical architetcures */ |
335 | /* giving it a reasonably high chance of working on typical architetcures */ |
296 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
336 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
297 | #endif |
337 | #endif |
… | |
… | |
323 | perror (msg); |
363 | perror (msg); |
324 | abort (); |
364 | abort (); |
325 | } |
365 | } |
326 | } |
366 | } |
327 | |
367 | |
|
|
368 | static void * |
|
|
369 | ev_realloc_emul (void *ptr, long size) |
|
|
370 | { |
|
|
371 | /* some systems, notably openbsd and darwin, fail to properly |
|
|
372 | * implement realloc (x, 0) (as required by both ansi c-98 and |
|
|
373 | * the single unix specification, so work around them here. |
|
|
374 | */ |
|
|
375 | |
|
|
376 | if (size) |
|
|
377 | return realloc (ptr, size); |
|
|
378 | |
|
|
379 | free (ptr); |
|
|
380 | return 0; |
|
|
381 | } |
|
|
382 | |
328 | static void *(*alloc)(void *ptr, long size); |
383 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
329 | |
384 | |
330 | void |
385 | void |
331 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
386 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
332 | { |
387 | { |
333 | alloc = cb; |
388 | alloc = cb; |
334 | } |
389 | } |
335 | |
390 | |
336 | inline_speed void * |
391 | inline_speed void * |
337 | ev_realloc (void *ptr, long size) |
392 | ev_realloc (void *ptr, long size) |
338 | { |
393 | { |
339 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
394 | ptr = alloc (ptr, size); |
340 | |
395 | |
341 | if (!ptr && size) |
396 | if (!ptr && size) |
342 | { |
397 | { |
343 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
398 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
344 | abort (); |
399 | abort (); |
… | |
… | |
702 | } |
757 | } |
703 | } |
758 | } |
704 | |
759 | |
705 | /*****************************************************************************/ |
760 | /*****************************************************************************/ |
706 | |
761 | |
|
|
762 | /* towards the root */ |
707 | void inline_speed |
763 | void inline_speed |
708 | upheap (WT *heap, int k) |
764 | upheap (WT *heap, int k) |
709 | { |
765 | { |
710 | WT w = heap [k]; |
766 | WT w = heap [k]; |
711 | |
767 | |
712 | while (k) |
768 | for (;;) |
713 | { |
769 | { |
714 | int p = (k - 1) >> 1; |
770 | int p = k >> 1; |
715 | |
771 | |
|
|
772 | /* maybe we could use a dummy element at heap [0]? */ |
716 | if (heap [p]->at <= w->at) |
773 | if (!p || heap [p]->at <= w->at) |
717 | break; |
774 | break; |
718 | |
775 | |
719 | heap [k] = heap [p]; |
776 | heap [k] = heap [p]; |
720 | ((W)heap [k])->active = k + 1; |
777 | ((W)heap [k])->active = k; |
721 | k = p; |
778 | k = p; |
722 | } |
779 | } |
723 | |
780 | |
724 | heap [k] = w; |
781 | heap [k] = w; |
725 | ((W)heap [k])->active = k + 1; |
782 | ((W)heap [k])->active = k; |
726 | } |
783 | } |
727 | |
784 | |
|
|
785 | /* away from the root */ |
728 | void inline_speed |
786 | void inline_speed |
729 | downheap (WT *heap, int N, int k) |
787 | downheap (WT *heap, int N, int k) |
730 | { |
788 | { |
731 | WT w = heap [k]; |
789 | WT w = heap [k]; |
732 | |
790 | |
733 | for (;;) |
791 | for (;;) |
734 | { |
792 | { |
735 | int c = (k << 1) + 1; |
793 | int c = k << 1; |
736 | |
794 | |
737 | if (c >= N) |
795 | if (c > N) |
738 | break; |
796 | break; |
739 | |
797 | |
740 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
798 | c += c < N && heap [c]->at > heap [c + 1]->at |
741 | ? 1 : 0; |
799 | ? 1 : 0; |
742 | |
800 | |
743 | if (w->at <= heap [c]->at) |
801 | if (w->at <= heap [c]->at) |
744 | break; |
802 | break; |
745 | |
803 | |
746 | heap [k] = heap [c]; |
804 | heap [k] = heap [c]; |
747 | ((W)heap [k])->active = k + 1; |
805 | ((W)heap [k])->active = k; |
748 | |
806 | |
749 | k = c; |
807 | k = c; |
750 | } |
808 | } |
751 | |
809 | |
752 | heap [k] = w; |
810 | heap [k] = w; |
753 | ((W)heap [k])->active = k + 1; |
811 | ((W)heap [k])->active = k; |
754 | } |
812 | } |
755 | |
813 | |
756 | void inline_size |
814 | void inline_size |
757 | adjustheap (WT *heap, int N, int k) |
815 | adjustheap (WT *heap, int N, int k) |
758 | { |
816 | { |
… | |
… | |
802 | static void noinline |
860 | static void noinline |
803 | evpipe_init (EV_P) |
861 | evpipe_init (EV_P) |
804 | { |
862 | { |
805 | if (!ev_is_active (&pipeev)) |
863 | if (!ev_is_active (&pipeev)) |
806 | { |
864 | { |
|
|
865 | #if EV_USE_EVENTFD |
|
|
866 | if ((evfd = eventfd (0, 0)) >= 0) |
|
|
867 | { |
|
|
868 | evpipe [0] = -1; |
|
|
869 | fd_intern (evfd); |
|
|
870 | ev_io_set (&pipeev, evfd, EV_READ); |
|
|
871 | } |
|
|
872 | else |
|
|
873 | #endif |
|
|
874 | { |
807 | while (pipe (evpipe)) |
875 | while (pipe (evpipe)) |
808 | syserr ("(libev) error creating signal/async pipe"); |
876 | syserr ("(libev) error creating signal/async pipe"); |
809 | |
877 | |
810 | fd_intern (evpipe [0]); |
878 | fd_intern (evpipe [0]); |
811 | fd_intern (evpipe [1]); |
879 | fd_intern (evpipe [1]); |
812 | |
|
|
813 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
880 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
|
|
881 | } |
|
|
882 | |
814 | ev_io_start (EV_A_ &pipeev); |
883 | ev_io_start (EV_A_ &pipeev); |
815 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
884 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
816 | } |
885 | } |
817 | } |
886 | } |
818 | |
887 | |
… | |
… | |
822 | if (!*flag) |
891 | if (!*flag) |
823 | { |
892 | { |
824 | int old_errno = errno; /* save errno because write might clobber it */ |
893 | int old_errno = errno; /* save errno because write might clobber it */ |
825 | |
894 | |
826 | *flag = 1; |
895 | *flag = 1; |
|
|
896 | |
|
|
897 | #if EV_USE_EVENTFD |
|
|
898 | if (evfd >= 0) |
|
|
899 | { |
|
|
900 | uint64_t counter = 1; |
|
|
901 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
902 | } |
|
|
903 | else |
|
|
904 | #endif |
827 | write (evpipe [1], &old_errno, 1); |
905 | write (evpipe [1], &old_errno, 1); |
828 | |
906 | |
829 | errno = old_errno; |
907 | errno = old_errno; |
830 | } |
908 | } |
831 | } |
909 | } |
832 | |
910 | |
833 | static void |
911 | static void |
834 | pipecb (EV_P_ ev_io *iow, int revents) |
912 | pipecb (EV_P_ ev_io *iow, int revents) |
835 | { |
913 | { |
|
|
914 | #if EV_USE_EVENTFD |
|
|
915 | if (evfd >= 0) |
836 | { |
916 | { |
837 | int dummy; |
917 | uint64_t counter = 1; |
|
|
918 | read (evfd, &counter, sizeof (uint64_t)); |
|
|
919 | } |
|
|
920 | else |
|
|
921 | #endif |
|
|
922 | { |
|
|
923 | char dummy; |
838 | read (evpipe [0], &dummy, 1); |
924 | read (evpipe [0], &dummy, 1); |
839 | } |
925 | } |
840 | |
926 | |
841 | if (gotsig && ev_is_default_loop (EV_A)) |
927 | if (gotsig && ev_is_default_loop (EV_A)) |
842 | { |
928 | { |
843 | int signum; |
929 | int signum; |
844 | gotsig = 0; |
930 | gotsig = 0; |
… | |
… | |
1105 | if (!(flags & EVFLAG_NOENV) |
1191 | if (!(flags & EVFLAG_NOENV) |
1106 | && !enable_secure () |
1192 | && !enable_secure () |
1107 | && getenv ("LIBEV_FLAGS")) |
1193 | && getenv ("LIBEV_FLAGS")) |
1108 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1194 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1109 | |
1195 | |
1110 | if (!(flags & 0x0000ffffUL)) |
1196 | if (!(flags & 0x0000ffffU)) |
1111 | flags |= ev_recommended_backends (); |
1197 | flags |= ev_recommended_backends (); |
1112 | |
1198 | |
1113 | #if EV_USE_PORT |
1199 | #if EV_USE_PORT |
1114 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1200 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1115 | #endif |
1201 | #endif |
… | |
… | |
1139 | if (ev_is_active (&pipeev)) |
1225 | if (ev_is_active (&pipeev)) |
1140 | { |
1226 | { |
1141 | ev_ref (EV_A); /* signal watcher */ |
1227 | ev_ref (EV_A); /* signal watcher */ |
1142 | ev_io_stop (EV_A_ &pipeev); |
1228 | ev_io_stop (EV_A_ &pipeev); |
1143 | |
1229 | |
1144 | close (evpipe [0]); evpipe [0] = 0; |
1230 | #if EV_USE_EVENTFD |
1145 | close (evpipe [1]); evpipe [1] = 0; |
1231 | if (evfd >= 0) |
|
|
1232 | close (evfd); |
|
|
1233 | #endif |
|
|
1234 | |
|
|
1235 | if (evpipe [0] >= 0) |
|
|
1236 | { |
|
|
1237 | close (evpipe [0]); |
|
|
1238 | close (evpipe [1]); |
|
|
1239 | } |
1146 | } |
1240 | } |
1147 | |
1241 | |
1148 | #if EV_USE_INOTIFY |
1242 | #if EV_USE_INOTIFY |
1149 | if (fs_fd >= 0) |
1243 | if (fs_fd >= 0) |
1150 | close (fs_fd); |
1244 | close (fs_fd); |
… | |
… | |
1195 | #endif |
1289 | #endif |
1196 | |
1290 | |
1197 | backend = 0; |
1291 | backend = 0; |
1198 | } |
1292 | } |
1199 | |
1293 | |
|
|
1294 | #if EV_USE_INOTIFY |
1200 | void inline_size infy_fork (EV_P); |
1295 | void inline_size infy_fork (EV_P); |
|
|
1296 | #endif |
1201 | |
1297 | |
1202 | void inline_size |
1298 | void inline_size |
1203 | loop_fork (EV_P) |
1299 | loop_fork (EV_P) |
1204 | { |
1300 | { |
1205 | #if EV_USE_PORT |
1301 | #if EV_USE_PORT |
… | |
… | |
1224 | gotasync = 1; |
1320 | gotasync = 1; |
1225 | #endif |
1321 | #endif |
1226 | |
1322 | |
1227 | ev_ref (EV_A); |
1323 | ev_ref (EV_A); |
1228 | ev_io_stop (EV_A_ &pipeev); |
1324 | ev_io_stop (EV_A_ &pipeev); |
|
|
1325 | |
|
|
1326 | #if EV_USE_EVENTFD |
|
|
1327 | if (evfd >= 0) |
|
|
1328 | close (evfd); |
|
|
1329 | #endif |
|
|
1330 | |
|
|
1331 | if (evpipe [0] >= 0) |
|
|
1332 | { |
1229 | close (evpipe [0]); |
1333 | close (evpipe [0]); |
1230 | close (evpipe [1]); |
1334 | close (evpipe [1]); |
|
|
1335 | } |
1231 | |
1336 | |
1232 | evpipe_init (EV_A); |
1337 | evpipe_init (EV_A); |
1233 | /* now iterate over everything, in case we missed something */ |
1338 | /* now iterate over everything, in case we missed something */ |
1234 | pipecb (EV_A_ &pipeev, EV_READ); |
1339 | pipecb (EV_A_ &pipeev, EV_READ); |
1235 | } |
1340 | } |
… | |
… | |
1357 | } |
1462 | } |
1358 | |
1463 | |
1359 | void inline_size |
1464 | void inline_size |
1360 | timers_reify (EV_P) |
1465 | timers_reify (EV_P) |
1361 | { |
1466 | { |
1362 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1467 | while (timercnt && ev_at (timers [1]) <= mn_now) |
1363 | { |
1468 | { |
1364 | ev_timer *w = (ev_timer *)timers [0]; |
1469 | ev_timer *w = (ev_timer *)timers [1]; |
1365 | |
1470 | |
1366 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1471 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1367 | |
1472 | |
1368 | /* first reschedule or stop timer */ |
1473 | /* first reschedule or stop timer */ |
1369 | if (w->repeat) |
1474 | if (w->repeat) |
1370 | { |
1475 | { |
1371 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1476 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1372 | |
1477 | |
1373 | ((WT)w)->at += w->repeat; |
1478 | ev_at (w) += w->repeat; |
1374 | if (((WT)w)->at < mn_now) |
1479 | if (ev_at (w) < mn_now) |
1375 | ((WT)w)->at = mn_now; |
1480 | ev_at (w) = mn_now; |
1376 | |
1481 | |
1377 | downheap (timers, timercnt, 0); |
1482 | downheap (timers, timercnt, 1); |
1378 | } |
1483 | } |
1379 | else |
1484 | else |
1380 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1485 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1381 | |
1486 | |
1382 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1487 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
… | |
… | |
1385 | |
1490 | |
1386 | #if EV_PERIODIC_ENABLE |
1491 | #if EV_PERIODIC_ENABLE |
1387 | void inline_size |
1492 | void inline_size |
1388 | periodics_reify (EV_P) |
1493 | periodics_reify (EV_P) |
1389 | { |
1494 | { |
1390 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1495 | while (periodiccnt && ev_at (periodics [1]) <= ev_rt_now) |
1391 | { |
1496 | { |
1392 | ev_periodic *w = (ev_periodic *)periodics [0]; |
1497 | ev_periodic *w = (ev_periodic *)periodics [1]; |
1393 | |
1498 | |
1394 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1499 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1395 | |
1500 | |
1396 | /* first reschedule or stop timer */ |
1501 | /* first reschedule or stop timer */ |
1397 | if (w->reschedule_cb) |
1502 | if (w->reschedule_cb) |
1398 | { |
1503 | { |
1399 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1504 | ev_at (w) = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1400 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1505 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) > ev_rt_now)); |
1401 | downheap (periodics, periodiccnt, 0); |
1506 | downheap (periodics, periodiccnt, 1); |
1402 | } |
1507 | } |
1403 | else if (w->interval) |
1508 | else if (w->interval) |
1404 | { |
1509 | { |
1405 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1510 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1406 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
1511 | if (ev_at (w) - ev_rt_now <= TIME_EPSILON) ev_at (w) += w->interval; |
1407 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1512 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ev_at (w) > ev_rt_now)); |
1408 | downheap (periodics, periodiccnt, 0); |
1513 | downheap (periodics, periodiccnt, 1); |
1409 | } |
1514 | } |
1410 | else |
1515 | else |
1411 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1516 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1412 | |
1517 | |
1413 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1518 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
… | |
… | |
1423 | for (i = 0; i < periodiccnt; ++i) |
1528 | for (i = 0; i < periodiccnt; ++i) |
1424 | { |
1529 | { |
1425 | ev_periodic *w = (ev_periodic *)periodics [i]; |
1530 | ev_periodic *w = (ev_periodic *)periodics [i]; |
1426 | |
1531 | |
1427 | if (w->reschedule_cb) |
1532 | if (w->reschedule_cb) |
1428 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1533 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1429 | else if (w->interval) |
1534 | else if (w->interval) |
1430 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1535 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1431 | } |
1536 | } |
1432 | |
1537 | |
1433 | /* now rebuild the heap */ |
1538 | /* now rebuild the heap */ |
1434 | for (i = periodiccnt >> 1; i--; ) |
1539 | for (i = periodiccnt >> 1; i--; ) |
1435 | downheap (periodics, periodiccnt, i); |
1540 | downheap (periodics, periodiccnt, i); |
… | |
… | |
1517 | { |
1622 | { |
1518 | #if EV_PERIODIC_ENABLE |
1623 | #if EV_PERIODIC_ENABLE |
1519 | periodics_reschedule (EV_A); |
1624 | periodics_reschedule (EV_A); |
1520 | #endif |
1625 | #endif |
1521 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1626 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1522 | for (i = 0; i < timercnt; ++i) |
1627 | for (i = 1; i <= timercnt; ++i) |
1523 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1628 | ev_at (timers [i]) += ev_rt_now - mn_now; |
1524 | } |
1629 | } |
1525 | |
1630 | |
1526 | mn_now = ev_rt_now; |
1631 | mn_now = ev_rt_now; |
1527 | } |
1632 | } |
1528 | } |
1633 | } |
… | |
… | |
1598 | |
1703 | |
1599 | waittime = MAX_BLOCKTIME; |
1704 | waittime = MAX_BLOCKTIME; |
1600 | |
1705 | |
1601 | if (timercnt) |
1706 | if (timercnt) |
1602 | { |
1707 | { |
1603 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1708 | ev_tstamp to = ev_at (timers [1]) - mn_now + backend_fudge; |
1604 | if (waittime > to) waittime = to; |
1709 | if (waittime > to) waittime = to; |
1605 | } |
1710 | } |
1606 | |
1711 | |
1607 | #if EV_PERIODIC_ENABLE |
1712 | #if EV_PERIODIC_ENABLE |
1608 | if (periodiccnt) |
1713 | if (periodiccnt) |
1609 | { |
1714 | { |
1610 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1715 | ev_tstamp to = ev_at (periodics [1]) - ev_rt_now + backend_fudge; |
1611 | if (waittime > to) waittime = to; |
1716 | if (waittime > to) waittime = to; |
1612 | } |
1717 | } |
1613 | #endif |
1718 | #endif |
1614 | |
1719 | |
1615 | if (expect_false (waittime < timeout_blocktime)) |
1720 | if (expect_false (waittime < timeout_blocktime)) |
… | |
… | |
1781 | ev_timer_start (EV_P_ ev_timer *w) |
1886 | ev_timer_start (EV_P_ ev_timer *w) |
1782 | { |
1887 | { |
1783 | if (expect_false (ev_is_active (w))) |
1888 | if (expect_false (ev_is_active (w))) |
1784 | return; |
1889 | return; |
1785 | |
1890 | |
1786 | ((WT)w)->at += mn_now; |
1891 | ev_at (w) += mn_now; |
1787 | |
1892 | |
1788 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1893 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1789 | |
1894 | |
1790 | ev_start (EV_A_ (W)w, ++timercnt); |
1895 | ev_start (EV_A_ (W)w, ++timercnt); |
1791 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
1896 | array_needsize (WT, timers, timermax, timercnt + 1, EMPTY2); |
1792 | timers [timercnt - 1] = (WT)w; |
1897 | timers [timercnt] = (WT)w; |
1793 | upheap (timers, timercnt - 1); |
1898 | upheap (timers, timercnt); |
1794 | |
1899 | |
1795 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1900 | /*assert (("internal timer heap corruption", timers [((W)w)->active] == w));*/ |
1796 | } |
1901 | } |
1797 | |
1902 | |
1798 | void noinline |
1903 | void noinline |
1799 | ev_timer_stop (EV_P_ ev_timer *w) |
1904 | ev_timer_stop (EV_P_ ev_timer *w) |
1800 | { |
1905 | { |
1801 | clear_pending (EV_A_ (W)w); |
1906 | clear_pending (EV_A_ (W)w); |
1802 | if (expect_false (!ev_is_active (w))) |
1907 | if (expect_false (!ev_is_active (w))) |
1803 | return; |
1908 | return; |
1804 | |
1909 | |
1805 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
1910 | assert (("internal timer heap corruption", timers [((W)w)->active] == (WT)w)); |
1806 | |
1911 | |
1807 | { |
1912 | { |
1808 | int active = ((W)w)->active; |
1913 | int active = ((W)w)->active; |
1809 | |
1914 | |
1810 | if (expect_true (--active < --timercnt)) |
1915 | if (expect_true (active < timercnt)) |
1811 | { |
1916 | { |
1812 | timers [active] = timers [timercnt]; |
1917 | timers [active] = timers [timercnt]; |
1813 | adjustheap (timers, timercnt, active); |
1918 | adjustheap (timers, timercnt, active); |
1814 | } |
1919 | } |
|
|
1920 | |
|
|
1921 | --timercnt; |
1815 | } |
1922 | } |
1816 | |
1923 | |
1817 | ((WT)w)->at -= mn_now; |
1924 | ev_at (w) -= mn_now; |
1818 | |
1925 | |
1819 | ev_stop (EV_A_ (W)w); |
1926 | ev_stop (EV_A_ (W)w); |
1820 | } |
1927 | } |
1821 | |
1928 | |
1822 | void noinline |
1929 | void noinline |
… | |
… | |
1824 | { |
1931 | { |
1825 | if (ev_is_active (w)) |
1932 | if (ev_is_active (w)) |
1826 | { |
1933 | { |
1827 | if (w->repeat) |
1934 | if (w->repeat) |
1828 | { |
1935 | { |
1829 | ((WT)w)->at = mn_now + w->repeat; |
1936 | ev_at (w) = mn_now + w->repeat; |
1830 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
1937 | adjustheap (timers, timercnt, ((W)w)->active); |
1831 | } |
1938 | } |
1832 | else |
1939 | else |
1833 | ev_timer_stop (EV_A_ w); |
1940 | ev_timer_stop (EV_A_ w); |
1834 | } |
1941 | } |
1835 | else if (w->repeat) |
1942 | else if (w->repeat) |
1836 | { |
1943 | { |
1837 | w->at = w->repeat; |
1944 | ev_at (w) = w->repeat; |
1838 | ev_timer_start (EV_A_ w); |
1945 | ev_timer_start (EV_A_ w); |
1839 | } |
1946 | } |
1840 | } |
1947 | } |
1841 | |
1948 | |
1842 | #if EV_PERIODIC_ENABLE |
1949 | #if EV_PERIODIC_ENABLE |
… | |
… | |
1845 | { |
1952 | { |
1846 | if (expect_false (ev_is_active (w))) |
1953 | if (expect_false (ev_is_active (w))) |
1847 | return; |
1954 | return; |
1848 | |
1955 | |
1849 | if (w->reschedule_cb) |
1956 | if (w->reschedule_cb) |
1850 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1957 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1851 | else if (w->interval) |
1958 | else if (w->interval) |
1852 | { |
1959 | { |
1853 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1960 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1854 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1961 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1855 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1962 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1856 | } |
1963 | } |
1857 | else |
1964 | else |
1858 | ((WT)w)->at = w->offset; |
1965 | ev_at (w) = w->offset; |
1859 | |
1966 | |
1860 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1967 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1861 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
1968 | array_needsize (WT, periodics, periodicmax, periodiccnt + 1, EMPTY2); |
1862 | periodics [periodiccnt - 1] = (WT)w; |
1969 | periodics [periodiccnt] = (WT)w; |
1863 | upheap (periodics, periodiccnt - 1); |
1970 | upheap (periodics, periodiccnt); |
1864 | |
1971 | |
1865 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1972 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1866 | } |
1973 | } |
1867 | |
1974 | |
1868 | void noinline |
1975 | void noinline |
… | |
… | |
1870 | { |
1977 | { |
1871 | clear_pending (EV_A_ (W)w); |
1978 | clear_pending (EV_A_ (W)w); |
1872 | if (expect_false (!ev_is_active (w))) |
1979 | if (expect_false (!ev_is_active (w))) |
1873 | return; |
1980 | return; |
1874 | |
1981 | |
1875 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
1982 | assert (("internal periodic heap corruption", periodics [((W)w)->active] == (WT)w)); |
1876 | |
1983 | |
1877 | { |
1984 | { |
1878 | int active = ((W)w)->active; |
1985 | int active = ((W)w)->active; |
1879 | |
1986 | |
1880 | if (expect_true (--active < --periodiccnt)) |
1987 | if (expect_true (active < periodiccnt)) |
1881 | { |
1988 | { |
1882 | periodics [active] = periodics [periodiccnt]; |
1989 | periodics [active] = periodics [periodiccnt]; |
1883 | adjustheap (periodics, periodiccnt, active); |
1990 | adjustheap (periodics, periodiccnt, active); |
1884 | } |
1991 | } |
|
|
1992 | |
|
|
1993 | --periodiccnt; |
1885 | } |
1994 | } |
1886 | |
1995 | |
1887 | ev_stop (EV_A_ (W)w); |
1996 | ev_stop (EV_A_ (W)w); |
1888 | } |
1997 | } |
1889 | |
1998 | |