… | |
… | |
47 | |
47 | |
48 | # if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT) |
48 | # if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT) |
49 | # define EV_USE_SELECT 1 |
49 | # define EV_USE_SELECT 1 |
50 | # endif |
50 | # endif |
51 | |
51 | |
52 | # if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL) && !defined (__APPLE__) |
52 | # if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL) |
53 | # define EV_USE_POLL 1 |
53 | # define EV_USE_POLL 1 |
54 | # endif |
54 | # endif |
55 | |
55 | |
56 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL) |
56 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL) |
57 | # define EV_USE_EPOLL 1 |
57 | # define EV_USE_EPOLL 1 |
58 | # endif |
58 | # endif |
59 | |
59 | |
60 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE) && !defined (__APPLE__) |
60 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE) |
61 | # define EV_USE_KQUEUE 1 |
61 | # define EV_USE_KQUEUE 1 |
62 | # endif |
62 | # endif |
63 | |
63 | |
64 | #endif |
64 | #endif |
65 | |
65 | |
… | |
… | |
120 | # define EV_USE_REALTIME 1 |
120 | # define EV_USE_REALTIME 1 |
121 | #endif |
121 | #endif |
122 | |
122 | |
123 | /**/ |
123 | /**/ |
124 | |
124 | |
|
|
125 | /* darwin simply cannot be helped */ |
|
|
126 | #ifdef __APPLE__ |
|
|
127 | # undef EV_USE_POLL |
|
|
128 | # undef EV_USE_KQUEUE |
|
|
129 | #endif |
|
|
130 | |
125 | #ifndef CLOCK_MONOTONIC |
131 | #ifndef CLOCK_MONOTONIC |
126 | # undef EV_USE_MONOTONIC |
132 | # undef EV_USE_MONOTONIC |
127 | # define EV_USE_MONOTONIC 0 |
133 | # define EV_USE_MONOTONIC 0 |
128 | #endif |
134 | #endif |
129 | |
135 | |
… | |
… | |
161 | #define expect_true(expr) expect ((expr) != 0, 1) |
167 | #define expect_true(expr) expect ((expr) != 0, 1) |
162 | |
168 | |
163 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
169 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
164 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
170 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
165 | |
171 | |
166 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
172 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
|
|
173 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
167 | |
174 | |
168 | typedef struct ev_watcher *W; |
175 | typedef struct ev_watcher *W; |
169 | typedef struct ev_watcher_list *WL; |
176 | typedef struct ev_watcher_list *WL; |
170 | typedef struct ev_watcher_time *WT; |
177 | typedef struct ev_watcher_time *WT; |
171 | |
178 | |
… | |
… | |
304 | { |
311 | { |
305 | return ev_rt_now; |
312 | return ev_rt_now; |
306 | } |
313 | } |
307 | #endif |
314 | #endif |
308 | |
315 | |
309 | #define array_roundsize(type,n) ((n) | 4 & ~3) |
316 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
310 | |
317 | |
311 | #define array_needsize(type,base,cur,cnt,init) \ |
318 | #define array_needsize(type,base,cur,cnt,init) \ |
312 | if (expect_false ((cnt) > cur)) \ |
319 | if (expect_false ((cnt) > cur)) \ |
313 | { \ |
320 | { \ |
314 | int newcnt = cur; \ |
321 | int newcnt = cur; \ |
… | |
… | |
359 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
366 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
360 | return; |
367 | return; |
361 | } |
368 | } |
362 | |
369 | |
363 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
370 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
364 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void)); |
371 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
365 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
372 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
366 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
373 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
367 | } |
374 | } |
368 | |
375 | |
369 | static void |
376 | static void |
… | |
… | |
439 | return; |
446 | return; |
440 | |
447 | |
441 | anfds [fd].reify = 1; |
448 | anfds [fd].reify = 1; |
442 | |
449 | |
443 | ++fdchangecnt; |
450 | ++fdchangecnt; |
444 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void)); |
451 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
445 | fdchanges [fdchangecnt - 1] = fd; |
452 | fdchanges [fdchangecnt - 1] = fd; |
446 | } |
453 | } |
447 | |
454 | |
448 | static void |
455 | static void |
449 | fd_kill (EV_P_ int fd) |
456 | fd_kill (EV_P_ int fd) |
… | |
… | |
740 | return getuid () != geteuid () |
747 | return getuid () != geteuid () |
741 | || getgid () != getegid (); |
748 | || getgid () != getegid (); |
742 | #endif |
749 | #endif |
743 | } |
750 | } |
744 | |
751 | |
745 | int |
752 | unsigned int |
746 | ev_method (EV_P) |
753 | ev_method (EV_P) |
747 | { |
754 | { |
748 | return method; |
755 | return method; |
749 | } |
756 | } |
750 | |
757 | |
751 | static void |
758 | static void |
752 | loop_init (EV_P_ int methods) |
759 | loop_init (EV_P_ unsigned int flags) |
753 | { |
760 | { |
754 | if (!method) |
761 | if (!method) |
755 | { |
762 | { |
756 | #if EV_USE_MONOTONIC |
763 | #if EV_USE_MONOTONIC |
757 | { |
764 | { |
… | |
… | |
764 | ev_rt_now = ev_time (); |
771 | ev_rt_now = ev_time (); |
765 | mn_now = get_clock (); |
772 | mn_now = get_clock (); |
766 | now_floor = mn_now; |
773 | now_floor = mn_now; |
767 | rtmn_diff = ev_rt_now - mn_now; |
774 | rtmn_diff = ev_rt_now - mn_now; |
768 | |
775 | |
769 | if (methods == EVMETHOD_AUTO) |
776 | if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS")) |
770 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
|
|
771 | methods = atoi (getenv ("LIBEV_METHODS")); |
777 | flags = atoi (getenv ("LIBEV_FLAGS")); |
772 | else |
778 | |
773 | methods = EVMETHOD_ANY; |
779 | if (!(flags & 0x0000ffff)) |
|
|
780 | flags |= 0x0000ffff; |
774 | |
781 | |
775 | method = 0; |
782 | method = 0; |
776 | #if EV_USE_KQUEUE |
783 | #if EV_USE_KQUEUE |
777 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
784 | if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags); |
778 | #endif |
785 | #endif |
779 | #if EV_USE_EPOLL |
786 | #if EV_USE_EPOLL |
780 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
787 | if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags); |
781 | #endif |
788 | #endif |
782 | #if EV_USE_POLL |
789 | #if EV_USE_POLL |
783 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
790 | if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags); |
784 | #endif |
791 | #endif |
785 | #if EV_USE_SELECT |
792 | #if EV_USE_SELECT |
786 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
793 | if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags); |
787 | #endif |
794 | #endif |
788 | |
795 | |
789 | ev_init (&sigev, sigcb); |
796 | ev_init (&sigev, sigcb); |
790 | ev_set_priority (&sigev, EV_MAXPRI); |
797 | ev_set_priority (&sigev, EV_MAXPRI); |
791 | } |
798 | } |
… | |
… | |
811 | |
818 | |
812 | for (i = NUMPRI; i--; ) |
819 | for (i = NUMPRI; i--; ) |
813 | array_free (pending, [i]); |
820 | array_free (pending, [i]); |
814 | |
821 | |
815 | /* have to use the microsoft-never-gets-it-right macro */ |
822 | /* have to use the microsoft-never-gets-it-right macro */ |
816 | array_free (fdchange, EMPTY); |
823 | array_free (fdchange, EMPTY0); |
817 | array_free (timer, EMPTY); |
824 | array_free (timer, EMPTY0); |
818 | #if EV_PERIODICS |
825 | #if EV_PERIODICS |
819 | array_free (periodic, EMPTY); |
826 | array_free (periodic, EMPTY0); |
820 | #endif |
827 | #endif |
821 | array_free (idle, EMPTY); |
828 | array_free (idle, EMPTY0); |
822 | array_free (prepare, EMPTY); |
829 | array_free (prepare, EMPTY0); |
823 | array_free (check, EMPTY); |
830 | array_free (check, EMPTY0); |
824 | |
831 | |
825 | method = 0; |
832 | method = 0; |
826 | } |
833 | } |
827 | |
834 | |
828 | static void |
835 | static void |
… | |
… | |
853 | postfork = 0; |
860 | postfork = 0; |
854 | } |
861 | } |
855 | |
862 | |
856 | #if EV_MULTIPLICITY |
863 | #if EV_MULTIPLICITY |
857 | struct ev_loop * |
864 | struct ev_loop * |
858 | ev_loop_new (int methods) |
865 | ev_loop_new (unsigned int flags) |
859 | { |
866 | { |
860 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
867 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
861 | |
868 | |
862 | memset (loop, 0, sizeof (struct ev_loop)); |
869 | memset (loop, 0, sizeof (struct ev_loop)); |
863 | |
870 | |
864 | loop_init (EV_A_ methods); |
871 | loop_init (EV_A_ flags); |
865 | |
872 | |
866 | if (ev_method (EV_A)) |
873 | if (ev_method (EV_A)) |
867 | return loop; |
874 | return loop; |
868 | |
875 | |
869 | return 0; |
876 | return 0; |
… | |
… | |
887 | #if EV_MULTIPLICITY |
894 | #if EV_MULTIPLICITY |
888 | struct ev_loop * |
895 | struct ev_loop * |
889 | #else |
896 | #else |
890 | int |
897 | int |
891 | #endif |
898 | #endif |
892 | ev_default_loop (int methods) |
899 | ev_default_loop (unsigned int flags) |
893 | { |
900 | { |
894 | if (sigpipe [0] == sigpipe [1]) |
901 | if (sigpipe [0] == sigpipe [1]) |
895 | if (pipe (sigpipe)) |
902 | if (pipe (sigpipe)) |
896 | return 0; |
903 | return 0; |
897 | |
904 | |
… | |
… | |
901 | struct ev_loop *loop = default_loop = &default_loop_struct; |
908 | struct ev_loop *loop = default_loop = &default_loop_struct; |
902 | #else |
909 | #else |
903 | default_loop = 1; |
910 | default_loop = 1; |
904 | #endif |
911 | #endif |
905 | |
912 | |
906 | loop_init (EV_A_ methods); |
913 | loop_init (EV_A_ flags); |
907 | |
914 | |
908 | if (ev_method (EV_A)) |
915 | if (ev_method (EV_A)) |
909 | { |
916 | { |
910 | siginit (EV_A); |
917 | siginit (EV_A); |
911 | |
918 | |
… | |
… | |
1025 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1032 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1026 | |
1033 | |
1027 | /* first reschedule or stop timer */ |
1034 | /* first reschedule or stop timer */ |
1028 | if (w->reschedule_cb) |
1035 | if (w->reschedule_cb) |
1029 | { |
1036 | { |
1030 | ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1037 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1031 | |
|
|
1032 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1038 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1033 | downheap ((WT *)periodics, periodiccnt, 0); |
1039 | downheap ((WT *)periodics, periodiccnt, 0); |
1034 | } |
1040 | } |
1035 | else if (w->interval) |
1041 | else if (w->interval) |
1036 | { |
1042 | { |
… | |
… | |
1154 | ev_loop (EV_P_ int flags) |
1160 | ev_loop (EV_P_ int flags) |
1155 | { |
1161 | { |
1156 | double block; |
1162 | double block; |
1157 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1163 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1158 | |
1164 | |
1159 | do |
1165 | while (activecnt) |
1160 | { |
1166 | { |
1161 | /* queue check watchers (and execute them) */ |
1167 | /* queue check watchers (and execute them) */ |
1162 | if (expect_false (preparecnt)) |
1168 | if (expect_false (preparecnt)) |
1163 | { |
1169 | { |
1164 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1170 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
… | |
… | |
1227 | /* queue check watchers, to be executed first */ |
1233 | /* queue check watchers, to be executed first */ |
1228 | if (checkcnt) |
1234 | if (checkcnt) |
1229 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1235 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1230 | |
1236 | |
1231 | call_pending (EV_A); |
1237 | call_pending (EV_A); |
|
|
1238 | |
|
|
1239 | if (loop_done) |
|
|
1240 | break; |
1232 | } |
1241 | } |
1233 | while (activecnt && !loop_done); |
|
|
1234 | |
1242 | |
1235 | if (loop_done != 2) |
1243 | if (loop_done != 2) |
1236 | loop_done = 0; |
1244 | loop_done = 0; |
1237 | } |
1245 | } |
1238 | |
1246 | |
… | |
… | |
1336 | ((WT)w)->at += mn_now; |
1344 | ((WT)w)->at += mn_now; |
1337 | |
1345 | |
1338 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1346 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1339 | |
1347 | |
1340 | ev_start (EV_A_ (W)w, ++timercnt); |
1348 | ev_start (EV_A_ (W)w, ++timercnt); |
1341 | array_needsize (struct ev_timer *, timers, timermax, timercnt, (void)); |
1349 | array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2); |
1342 | timers [timercnt - 1] = w; |
1350 | timers [timercnt - 1] = w; |
1343 | upheap ((WT *)timers, timercnt - 1); |
1351 | upheap ((WT *)timers, timercnt - 1); |
1344 | |
1352 | |
1345 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1353 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1346 | } |
1354 | } |
… | |
… | |
1377 | } |
1385 | } |
1378 | else |
1386 | else |
1379 | ev_timer_stop (EV_A_ w); |
1387 | ev_timer_stop (EV_A_ w); |
1380 | } |
1388 | } |
1381 | else if (w->repeat) |
1389 | else if (w->repeat) |
|
|
1390 | { |
|
|
1391 | w->at = w->repeat; |
1382 | ev_timer_start (EV_A_ w); |
1392 | ev_timer_start (EV_A_ w); |
|
|
1393 | } |
1383 | } |
1394 | } |
1384 | |
1395 | |
1385 | #if EV_PERIODICS |
1396 | #if EV_PERIODICS |
1386 | void |
1397 | void |
1387 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1398 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
… | |
… | |
1397 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1408 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1398 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1409 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1399 | } |
1410 | } |
1400 | |
1411 | |
1401 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1412 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1402 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); |
1413 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1403 | periodics [periodiccnt - 1] = w; |
1414 | periodics [periodiccnt - 1] = w; |
1404 | upheap ((WT *)periodics, periodiccnt - 1); |
1415 | upheap ((WT *)periodics, periodiccnt - 1); |
1405 | |
1416 | |
1406 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1417 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1407 | } |
1418 | } |
… | |
… | |
1438 | { |
1449 | { |
1439 | if (ev_is_active (w)) |
1450 | if (ev_is_active (w)) |
1440 | return; |
1451 | return; |
1441 | |
1452 | |
1442 | ev_start (EV_A_ (W)w, ++idlecnt); |
1453 | ev_start (EV_A_ (W)w, ++idlecnt); |
1443 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void)); |
1454 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1444 | idles [idlecnt - 1] = w; |
1455 | idles [idlecnt - 1] = w; |
1445 | } |
1456 | } |
1446 | |
1457 | |
1447 | void |
1458 | void |
1448 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1459 | ev_idle_stop (EV_P_ struct ev_idle *w) |
… | |
… | |
1460 | { |
1471 | { |
1461 | if (ev_is_active (w)) |
1472 | if (ev_is_active (w)) |
1462 | return; |
1473 | return; |
1463 | |
1474 | |
1464 | ev_start (EV_A_ (W)w, ++preparecnt); |
1475 | ev_start (EV_A_ (W)w, ++preparecnt); |
1465 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void)); |
1476 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1466 | prepares [preparecnt - 1] = w; |
1477 | prepares [preparecnt - 1] = w; |
1467 | } |
1478 | } |
1468 | |
1479 | |
1469 | void |
1480 | void |
1470 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1481 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
… | |
… | |
1482 | { |
1493 | { |
1483 | if (ev_is_active (w)) |
1494 | if (ev_is_active (w)) |
1484 | return; |
1495 | return; |
1485 | |
1496 | |
1486 | ev_start (EV_A_ (W)w, ++checkcnt); |
1497 | ev_start (EV_A_ (W)w, ++checkcnt); |
1487 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void)); |
1498 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1488 | checks [checkcnt - 1] = w; |
1499 | checks [checkcnt - 1] = w; |
1489 | } |
1500 | } |
1490 | |
1501 | |
1491 | void |
1502 | void |
1492 | ev_check_stop (EV_P_ struct ev_check *w) |
1503 | ev_check_stop (EV_P_ struct ev_check *w) |