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Comparing libev/ev.c (file contents):
Revision 1.233 by root, Tue May 6 23:34:16 2008 UTC vs.
Revision 1.255 by root, Mon Jun 9 14:11:30 2008 UTC

… …
126# define EV_USE_EVENTFD 1 126# define EV_USE_EVENTFD 1
127# else 127# else
128# define EV_USE_EVENTFD 0 128# define EV_USE_EVENTFD 0
129# endif 129# endif
130# endif 130# endif
131 131
132#endif 132#endif
133 133
134#include <math.h> 134#include <math.h>
135#include <stdlib.h> 135#include <stdlib.h>
136#include <fcntl.h> 136#include <fcntl.h>
… …
164#endif 164#endif
165 165
166/* this block tries to deduce configuration from header-defined symbols and defaults */ 166/* this block tries to deduce configuration from header-defined symbols and defaults */
167 167
168#ifndef EV_USE_MONOTONIC 168#ifndef EV_USE_MONOTONIC
169# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
170# define EV_USE_MONOTONIC 1
171# else
169# define EV_USE_MONOTONIC 0 172# define EV_USE_MONOTONIC 0
173# endif
170#endif 174#endif
171 175
172#ifndef EV_USE_REALTIME 176#ifndef EV_USE_REALTIME
173# define EV_USE_REALTIME 0 177# define EV_USE_REALTIME 0
174#endif 178#endif
175 179
176#ifndef EV_USE_NANOSLEEP 180#ifndef EV_USE_NANOSLEEP
181# if _POSIX_C_SOURCE >= 199309L
182# define EV_USE_NANOSLEEP 1
183# else
177# define EV_USE_NANOSLEEP 0 184# define EV_USE_NANOSLEEP 0
185# endif
178#endif 186#endif
179 187
180#ifndef EV_USE_SELECT 188#ifndef EV_USE_SELECT
181# define EV_USE_SELECT 1 189# define EV_USE_SELECT 1
182#endif 190#endif
… …
233# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) 241# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
234# define EV_USE_EVENTFD 1 242# define EV_USE_EVENTFD 1
235# else 243# else
236# define EV_USE_EVENTFD 0 244# define EV_USE_EVENTFD 0
237# endif 245# endif
246#endif
247
248#if 0 /* debugging */
249# define EV_VERIFY 3
250# define EV_USE_4HEAP 1
251# define EV_HEAP_CACHE_AT 1
252#endif
253
254#ifndef EV_VERIFY
255# define EV_VERIFY !EV_MINIMAL
256#endif
257
258#ifndef EV_USE_4HEAP
259# define EV_USE_4HEAP !EV_MINIMAL
260#endif
261
262#ifndef EV_HEAP_CACHE_AT
263# define EV_HEAP_CACHE_AT !EV_MINIMAL
238#endif 264#endif
239 265
240/* this block fixes any misconfiguration where we know we run into trouble otherwise */ 266/* this block fixes any misconfiguration where we know we run into trouble otherwise */
241 267
242#ifndef CLOCK_MONOTONIC 268#ifndef CLOCK_MONOTONIC
… …
279} 305}
280# endif 306# endif
281#endif 307#endif
282 308
283/**/ 309/**/
310
311#if EV_VERIFY >= 3
312# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)
313#else
314# define EV_FREQUENT_CHECK do { } while (0)
315#endif
284 316
285/* 317/*
286 * This is used to avoid floating point rounding problems. 318 * This is used to avoid floating point rounding problems.
287 * It is added to ev_rt_now when scheduling periodics 319 * It is added to ev_rt_now when scheduling periodics
288 * to ensure progress, time-wise, even when rounding 320 * to ensure progress, time-wise, even when rounding
… …
422 W w; 454 W w;
423 int events; 455 int events;
424} ANPENDING; 456} ANPENDING;
425 457
426#if EV_USE_INOTIFY 458#if EV_USE_INOTIFY
459/* hash table entry per inotify-id */
427typedef struct 460typedef struct
428{ 461{
429 WL head; 462 WL head;
430} ANFS; 463} ANFS;
464#endif
465
466/* Heap Entry */
467#if EV_HEAP_CACHE_AT
468 typedef struct {
469 ev_tstamp at;
470 WT w;
471 } ANHE;
472
473 #define ANHE_w(he) (he).w /* access watcher, read-write */
474 #define ANHE_at(he) (he).at /* access cached at, read-only */
475 #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */
476#else
477 typedef WT ANHE;
478
479 #define ANHE_w(he) (he)
480 #define ANHE_at(he) (he)->at
481 #define ANHE_at_cache(he)
431#endif 482#endif
432 483
433#if EV_MULTIPLICITY 484#if EV_MULTIPLICITY
434 485
435 struct ev_loop 486 struct ev_loop
… …
656 events |= (unsigned char)w->events; 707 events |= (unsigned char)w->events;
657 708
658#if EV_SELECT_IS_WINSOCKET 709#if EV_SELECT_IS_WINSOCKET
659 if (events) 710 if (events)
660 { 711 {
661 unsigned long argp; 712 unsigned long arg;
662 #ifdef EV_FD_TO_WIN32_HANDLE 713 #ifdef EV_FD_TO_WIN32_HANDLE
663 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); 714 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
664 #else 715 #else
665 anfd->handle = _get_osfhandle (fd); 716 anfd->handle = _get_osfhandle (fd);
666 #endif 717 #endif
667 assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); 718 assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
668 } 719 }
669#endif 720#endif
670 721
671 { 722 {
672 unsigned char o_events = anfd->events; 723 unsigned char o_events = anfd->events;
… …
725{ 776{
726 int fd; 777 int fd;
727 778
728 for (fd = 0; fd < anfdmax; ++fd) 779 for (fd = 0; fd < anfdmax; ++fd)
729 if (anfds [fd].events) 780 if (anfds [fd].events)
730 if (!fd_valid (fd) == -1 && errno == EBADF) 781 if (!fd_valid (fd) && errno == EBADF)
731 fd_kill (EV_A_ fd); 782 fd_kill (EV_A_ fd);
732} 783}
733 784
734/* called on ENOMEM in select/poll to kill some fds and retry */ 785/* called on ENOMEM in select/poll to kill some fds and retry */
735static void noinline 786static void noinline
… …
759 } 810 }
760} 811}
761 812
762/*****************************************************************************/ 813/*****************************************************************************/
763 814
815/*
816 * the heap functions want a real array index. array index 0 uis guaranteed to not
817 * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
818 * the branching factor of the d-tree.
819 */
820
821/*
822 * at the moment we allow libev the luxury of two heaps,
823 * a small-code-size 2-heap one and a ~1.5kb larger 4-heap
824 * which is more cache-efficient.
825 * the difference is about 5% with 50000+ watchers.
826 */
827#if EV_USE_4HEAP
828
829#define DHEAP 4
830#define HEAP0 (DHEAP - 1) /* index of first element in heap */
831#define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0)
832#define UPHEAP_DONE(p,k) ((p) == (k))
833
834/* away from the root */
835void inline_speed
836downheap (ANHE *heap, int N, int k)
837{
838 ANHE he = heap [k];
839 ANHE *E = heap + N + HEAP0;
840
841 for (;;)
842 {
843 ev_tstamp minat;
844 ANHE *minpos;
845 ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
846
847 /* find minimum child */
848 if (expect_true (pos + DHEAP - 1 < E))
849 {
850 /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
851 if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
852 if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
853 if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
854 }
855 else if (pos < E)
856 {
857 /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
858 if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
859 if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
860 if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
861 }
862 else
863 break;
864
865 if (ANHE_at (he) <= minat)
866 break;
867
868 heap [k] = *minpos;
869 ev_active (ANHE_w (*minpos)) = k;
870
871 k = minpos - heap;
872 }
873
874 heap [k] = he;
875 ev_active (ANHE_w (he)) = k;
876}
877
878#else /* 4HEAP */
879
880#define HEAP0 1
881#define HPARENT(k) ((k) >> 1)
882#define UPHEAP_DONE(p,k) (!(p))
883
884/* away from the root */
885void inline_speed
886downheap (ANHE *heap, int N, int k)
887{
888 ANHE he = heap [k];
889
890 for (;;)
891 {
892 int c = k << 1;
893
894 if (c > N + HEAP0 - 1)
895 break;
896
897 c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])
898 ? 1 : 0;
899
900 if (ANHE_at (he) <= ANHE_at (heap [c]))
901 break;
902
903 heap [k] = heap [c];
904 ev_active (ANHE_w (heap [k])) = k;
905
906 k = c;
907 }
908
909 heap [k] = he;
910 ev_active (ANHE_w (he)) = k;
911}
912#endif
913
764/* towards the root */ 914/* towards the root */
765void inline_speed 915void inline_speed
766upheap (WT *heap, int k) 916upheap (ANHE *heap, int k)
767{ 917{
768 WT w = heap [k]; 918 ANHE he = heap [k];
769 919
770 for (;;) 920 for (;;)
771 { 921 {
772 int p = k >> 1; 922 int p = HPARENT (k);
773 923
774 /* maybe we could use a dummy element at heap [0]? */ 924 if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he))
775 if (!p || heap [p]->at <= w->at)
776 break; 925 break;
777 926
778 heap [k] = heap [p]; 927 heap [k] = heap [p];
779 ev_active (heap [k]) = k; 928 ev_active (ANHE_w (heap [k])) = k;
780 k = p; 929 k = p;
781 } 930 }
782 931
783 heap [k] = w; 932 heap [k] = he;
784 ev_active (heap [k]) = k; 933 ev_active (ANHE_w (he)) = k;
785}
786
787/* away from the root */
788void inline_speed
789downheap (WT *heap, int N, int k)
790{
791 WT w = heap [k];
792
793 for (;;)
794 {
795 int c = k << 1;
796
797 if (c > N)
798 break;
799
800 c += c < N && heap [c]->at > heap [c + 1]->at
801 ? 1 : 0;
802
803 if (w->at <= heap [c]->at)
804 break;
805
806 heap [k] = heap [c];
807 ev_active (heap [k]) = k;
808
809 k = c;
810 }
811
812 heap [k] = w;
813 ev_active (heap [k]) = k;
814} 934}
815 935
816void inline_size 936void inline_size
817adjustheap (WT *heap, int N, int k) 937adjustheap (ANHE *heap, int N, int k)
818{ 938{
939 if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))
819 upheap (heap, k); 940 upheap (heap, k);
941 else
820 downheap (heap, N, k); 942 downheap (heap, N, k);
943}
944
945/* rebuild the heap: this function is used only once and executed rarely */
946void inline_size
947reheap (ANHE *heap, int N)
948{
949 int i;
950
951 /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */
952 /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */
953 for (i = 0; i < N; ++i)
954 upheap (heap, i + HEAP0);
821} 955}
822 956
823/*****************************************************************************/ 957/*****************************************************************************/
824 958
825typedef struct 959typedef struct
… …
849 983
850void inline_speed 984void inline_speed
851fd_intern (int fd) 985fd_intern (int fd)
852{ 986{
853#ifdef _WIN32 987#ifdef _WIN32
854 int arg = 1; 988 unsigned long arg = 1;
855 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); 989 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
856#else 990#else
857 fcntl (fd, F_SETFD, FD_CLOEXEC); 991 fcntl (fd, F_SETFD, FD_CLOEXEC);
858 fcntl (fd, F_SETFL, O_NONBLOCK); 992 fcntl (fd, F_SETFL, O_NONBLOCK);
859#endif 993#endif
… …
1343 1477
1344 postfork = 0; 1478 postfork = 0;
1345} 1479}
1346 1480
1347#if EV_MULTIPLICITY 1481#if EV_MULTIPLICITY
1482
1348struct ev_loop * 1483struct ev_loop *
1349ev_loop_new (unsigned int flags) 1484ev_loop_new (unsigned int flags)
1350{ 1485{
1351 struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 1486 struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
1352 1487
… …
1371ev_loop_fork (EV_P) 1506ev_loop_fork (EV_P)
1372{ 1507{
1373 postfork = 1; /* must be in line with ev_default_fork */ 1508 postfork = 1; /* must be in line with ev_default_fork */
1374} 1509}
1375 1510
1511#if EV_VERIFY
1512void noinline
1513verify_watcher (EV_P_ W w)
1514{
1515 assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
1516
1517 if (w->pending)
1518 assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
1519}
1520
1521static void noinline
1522verify_heap (EV_P_ ANHE *heap, int N)
1523{
1524 int i;
1525
1526 for (i = HEAP0; i < N + HEAP0; ++i)
1527 {
1528 assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));
1529 assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
1530 assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
1531
1532 verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
1533 }
1534}
1535
1536static void noinline
1537array_verify (EV_P_ W *ws, int cnt)
1538{
1539 while (cnt--)
1540 {
1541 assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1));
1542 verify_watcher (EV_A_ ws [cnt]);
1543 }
1544}
1545#endif
1546
1547void
1548ev_loop_verify (EV_P)
1549{
1550#if EV_VERIFY
1551 int i;
1552 WL w;
1553
1554 assert (activecnt >= -1);
1555
1556 assert (fdchangemax >= fdchangecnt);
1557 for (i = 0; i < fdchangecnt; ++i)
1558 assert (("negative fd in fdchanges", fdchanges [i] >= 0));
1559
1560 assert (anfdmax >= 0);
1561 for (i = 0; i < anfdmax; ++i)
1562 for (w = anfds [i].head; w; w = w->next)
1563 {
1564 verify_watcher (EV_A_ (W)w);
1565 assert (("inactive fd watcher on anfd list", ev_active (w) == 1));
1566 assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
1567 }
1568
1569 assert (timermax >= timercnt);
1570 verify_heap (EV_A_ timers, timercnt);
1571
1572#if EV_PERIODIC_ENABLE
1573 assert (periodicmax >= periodiccnt);
1574 verify_heap (EV_A_ periodics, periodiccnt);
1575#endif
1576
1577 for (i = NUMPRI; i--; )
1578 {
1579 assert (pendingmax [i] >= pendingcnt [i]);
1580#if EV_IDLE_ENABLE
1581 assert (idleall >= 0);
1582 assert (idlemax [i] >= idlecnt [i]);
1583 array_verify (EV_A_ (W *)idles [i], idlecnt [i]);
1584#endif
1585 }
1586
1587#if EV_FORK_ENABLE
1588 assert (forkmax >= forkcnt);
1589 array_verify (EV_A_ (W *)forks, forkcnt);
1590#endif
1591
1592#if EV_ASYNC_ENABLE
1593 assert (asyncmax >= asynccnt);
1594 array_verify (EV_A_ (W *)asyncs, asynccnt);
1595#endif
1596
1597 assert (preparemax >= preparecnt);
1598 array_verify (EV_A_ (W *)prepares, preparecnt);
1599
1600 assert (checkmax >= checkcnt);
1601 array_verify (EV_A_ (W *)checks, checkcnt);
1602
1603# if 0
1604 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)
1605 for (signum = signalmax; signum--; ) if (signals [signum].gotsig)
1376#endif 1606# endif
1607#endif
1608}
1609
1610#endif /* multiplicity */
1377 1611
1378#if EV_MULTIPLICITY 1612#if EV_MULTIPLICITY
1379struct ev_loop * 1613struct ev_loop *
1380ev_default_loop_init (unsigned int flags) 1614ev_default_loop_init (unsigned int flags)
1381#else 1615#else
… …
1457 { 1691 {
1458 /*assert (("non-pending watcher on pending list", p->w->pending));*/ 1692 /*assert (("non-pending watcher on pending list", p->w->pending));*/
1459 1693
1460 p->w->pending = 0; 1694 p->w->pending = 0;
1461 EV_CB_INVOKE (p->w, p->events); 1695 EV_CB_INVOKE (p->w, p->events);
1696 EV_FREQUENT_CHECK;
1462 } 1697 }
1463 } 1698 }
1464} 1699}
1465
1466void inline_size
1467timers_reify (EV_P)
1468{
1469 while (timercnt && ev_at (timers [1]) <= mn_now)
1470 {
1471 ev_timer *w = (ev_timer *)timers [1];
1472
1473 /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/
1474
1475 /* first reschedule or stop timer */
1476 if (w->repeat)
1477 {
1478 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1479
1480 ev_at (w) += w->repeat;
1481 if (ev_at (w) < mn_now)
1482 ev_at (w) = mn_now;
1483
1484 downheap (timers, timercnt, 1);
1485 }
1486 else
1487 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1488
1489 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1490 }
1491}
1492
1493#if EV_PERIODIC_ENABLE
1494void inline_size
1495periodics_reify (EV_P)
1496{
1497 while (periodiccnt && ev_at (periodics [1]) <= ev_rt_now)
1498 {
1499 ev_periodic *w = (ev_periodic *)periodics [1];
1500
1501 /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/
1502
1503 /* first reschedule or stop timer */
1504 if (w->reschedule_cb)
1505 {
1506 ev_at (w) = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON);
1507 assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) > ev_rt_now));
1508 downheap (periodics, periodiccnt, 1);
1509 }
1510 else if (w->interval)
1511 {
1512 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1513 if (ev_at (w) - ev_rt_now <= TIME_EPSILON) ev_at (w) += w->interval;
1514 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ev_at (w) > ev_rt_now));
1515 downheap (periodics, periodiccnt, 1);
1516 }
1517 else
1518 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1519
1520 ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1521 }
1522}
1523
1524static void noinline
1525periodics_reschedule (EV_P)
1526{
1527 int i;
1528
1529 /* adjust periodics after time jump */
1530 for (i = 1; i <= periodiccnt; ++i)
1531 {
1532 ev_periodic *w = (ev_periodic *)periodics [i];
1533
1534 if (w->reschedule_cb)
1535 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1536 else if (w->interval)
1537 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1538 }
1539
1540 /* now rebuild the heap */
1541 for (i = periodiccnt >> 1; i--; )
1542 downheap (periodics, periodiccnt, i);
1543}
1544#endif
1545 1700
1546#if EV_IDLE_ENABLE 1701#if EV_IDLE_ENABLE
1547void inline_size 1702void inline_size
1548idle_reify (EV_P) 1703idle_reify (EV_P)
1549{ 1704{
… …
1561 queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); 1716 queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE);
1562 break; 1717 break;
1563 } 1718 }
1564 } 1719 }
1565 } 1720 }
1721}
1722#endif
1723
1724void inline_size
1725timers_reify (EV_P)
1726{
1727 EV_FREQUENT_CHECK;
1728
1729 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)
1730 {
1731 ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]);
1732
1733 /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/
1734
1735 /* first reschedule or stop timer */
1736 if (w->repeat)
1737 {
1738 ev_at (w) += w->repeat;
1739 if (ev_at (w) < mn_now)
1740 ev_at (w) = mn_now;
1741
1742 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1743
1744 ANHE_at_cache (timers [HEAP0]);
1745 downheap (timers, timercnt, HEAP0);
1746 }
1747 else
1748 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1749
1750 EV_FREQUENT_CHECK;
1751 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1752 }
1753}
1754
1755#if EV_PERIODIC_ENABLE
1756void inline_size
1757periodics_reify (EV_P)
1758{
1759 EV_FREQUENT_CHECK;
1760
1761 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
1762 {
1763 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
1764
1765 /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/
1766
1767 /* first reschedule or stop timer */
1768 if (w->reschedule_cb)
1769 {
1770 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1771
1772 assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));
1773
1774 ANHE_at_cache (periodics [HEAP0]);
1775 downheap (periodics, periodiccnt, HEAP0);
1776 }
1777 else if (w->interval)
1778 {
1779 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1780 /* if next trigger time is not sufficiently in the future, put it there */
1781 /* this might happen because of floating point inexactness */
1782 if (ev_at (w) - ev_rt_now < TIME_EPSILON)
1783 {
1784 ev_at (w) += w->interval;
1785
1786 /* if interval is unreasonably low we might still have a time in the past */
1787 /* so correct this. this will make the periodic very inexact, but the user */
1788 /* has effectively asked to get triggered more often than possible */
1789 if (ev_at (w) < ev_rt_now)
1790 ev_at (w) = ev_rt_now;
1791 }
1792
1793 ANHE_at_cache (periodics [HEAP0]);
1794 downheap (periodics, periodiccnt, HEAP0);
1795 }
1796 else
1797 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1798
1799 EV_FREQUENT_CHECK;
1800 ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1801 }
1802}
1803
1804static void noinline
1805periodics_reschedule (EV_P)
1806{
1807 int i;
1808
1809 /* adjust periodics after time jump */
1810 for (i = HEAP0; i < periodiccnt + HEAP0; ++i)
1811 {
1812 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]);
1813
1814 if (w->reschedule_cb)
1815 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1816 else if (w->interval)
1817 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1818
1819 ANHE_at_cache (periodics [i]);
1820 }
1821
1822 reheap (periodics, periodiccnt);
1566} 1823}
1567#endif 1824#endif
1568 1825
1569void inline_speed 1826void inline_speed
1570time_update (EV_P_ ev_tstamp max_block) 1827time_update (EV_P_ ev_tstamp max_block)
… …
1599 */ 1856 */
1600 for (i = 4; --i; ) 1857 for (i = 4; --i; )
1601 { 1858 {
1602 rtmn_diff = ev_rt_now - mn_now; 1859 rtmn_diff = ev_rt_now - mn_now;
1603 1860
1604 if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) 1861 if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP))
1605 return; /* all is well */ 1862 return; /* all is well */
1606 1863
1607 ev_rt_now = ev_time (); 1864 ev_rt_now = ev_time ();
1608 mn_now = get_clock (); 1865 mn_now = get_clock ();
1609 now_floor = mn_now; 1866 now_floor = mn_now;
… …
1624 { 1881 {
1625#if EV_PERIODIC_ENABLE 1882#if EV_PERIODIC_ENABLE
1626 periodics_reschedule (EV_A); 1883 periodics_reschedule (EV_A);
1627#endif 1884#endif
1628 /* adjust timers. this is easy, as the offset is the same for all of them */ 1885 /* adjust timers. this is easy, as the offset is the same for all of them */
1629 for (i = 1; i <= timercnt; ++i) 1886 for (i = 0; i < timercnt; ++i)
1630 ev_at (timers [i]) += ev_rt_now - mn_now; 1887 {
1888 ANHE *he = timers + i + HEAP0;
1889 ANHE_w (*he)->at += ev_rt_now - mn_now;
1890 ANHE_at_cache (*he);
1891 }
1631 } 1892 }
1632 1893
1633 mn_now = ev_rt_now; 1894 mn_now = ev_rt_now;
1634 } 1895 }
1635} 1896}
… …
1655 1916
1656 call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ 1917 call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */
1657 1918
1658 do 1919 do
1659 { 1920 {
1921#if EV_VERIFY >= 2
1922 ev_loop_verify (EV_A);
1923#endif
1924
1660#ifndef _WIN32 1925#ifndef _WIN32
1661 if (expect_false (curpid)) /* penalise the forking check even more */ 1926 if (expect_false (curpid)) /* penalise the forking check even more */
1662 if (expect_false (getpid () != curpid)) 1927 if (expect_false (getpid () != curpid))
1663 { 1928 {
1664 curpid = getpid (); 1929 curpid = getpid ();
… …
1705 1970
1706 waittime = MAX_BLOCKTIME; 1971 waittime = MAX_BLOCKTIME;
1707 1972
1708 if (timercnt) 1973 if (timercnt)
1709 { 1974 {
1710 ev_tstamp to = ev_at (timers [1]) - mn_now + backend_fudge; 1975 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
1711 if (waittime > to) waittime = to; 1976 if (waittime > to) waittime = to;
1712 } 1977 }
1713 1978
1714#if EV_PERIODIC_ENABLE 1979#if EV_PERIODIC_ENABLE
1715 if (periodiccnt) 1980 if (periodiccnt)
1716 { 1981 {
1717 ev_tstamp to = ev_at (periodics [1]) - ev_rt_now + backend_fudge; 1982 ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge;
1718 if (waittime > to) waittime = to; 1983 if (waittime > to) waittime = to;
1719 } 1984 }
1720#endif 1985#endif
1721 1986
1722 if (expect_false (waittime < timeout_blocktime)) 1987 if (expect_false (waittime < timeout_blocktime))
… …
1859 if (expect_false (ev_is_active (w))) 2124 if (expect_false (ev_is_active (w)))
1860 return; 2125 return;
1861 2126
1862 assert (("ev_io_start called with negative fd", fd >= 0)); 2127 assert (("ev_io_start called with negative fd", fd >= 0));
1863 2128
2129 EV_FREQUENT_CHECK;
2130
1864 ev_start (EV_A_ (W)w, 1); 2131 ev_start (EV_A_ (W)w, 1);
1865 array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); 2132 array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1866 wlist_add (&anfds[fd].head, (WL)w); 2133 wlist_add (&anfds[fd].head, (WL)w);
1867 2134
1868 fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); 2135 fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);
1869 w->events &= ~EV_IOFDSET; 2136 w->events &= ~EV_IOFDSET;
2137
2138 EV_FREQUENT_CHECK;
1870} 2139}
1871 2140
1872void noinline 2141void noinline
1873ev_io_stop (EV_P_ ev_io *w) 2142ev_io_stop (EV_P_ ev_io *w)
1874{ 2143{
1875 clear_pending (EV_A_ (W)w); 2144 clear_pending (EV_A_ (W)w);
1876 if (expect_false (!ev_is_active (w))) 2145 if (expect_false (!ev_is_active (w)))
1877 return; 2146 return;
1878 2147
1879 assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); 2148 assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
2149
2150 EV_FREQUENT_CHECK;
1880 2151
1881 wlist_del (&anfds[w->fd].head, (WL)w); 2152 wlist_del (&anfds[w->fd].head, (WL)w);
1882 ev_stop (EV_A_ (W)w); 2153 ev_stop (EV_A_ (W)w);
1883 2154
1884 fd_change (EV_A_ w->fd, 1); 2155 fd_change (EV_A_ w->fd, 1);
2156
2157 EV_FREQUENT_CHECK;
1885} 2158}
1886 2159
1887void noinline 2160void noinline
1888ev_timer_start (EV_P_ ev_timer *w) 2161ev_timer_start (EV_P_ ev_timer *w)
1889{ 2162{
… …
1892 2165
1893 ev_at (w) += mn_now; 2166 ev_at (w) += mn_now;
1894 2167
1895 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 2168 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1896 2169
2170 EV_FREQUENT_CHECK;
2171
2172 ++timercnt;
1897 ev_start (EV_A_ (W)w, ++timercnt); 2173 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
1898 array_needsize (WT, timers, timermax, timercnt + 1, EMPTY2); 2174 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);
1899 timers [timercnt] = (WT)w; 2175 ANHE_w (timers [ev_active (w)]) = (WT)w;
2176 ANHE_at_cache (timers [ev_active (w)]);
1900 upheap (timers, timercnt); 2177 upheap (timers, ev_active (w));
1901 2178
2179 EV_FREQUENT_CHECK;
2180
1902 /*assert (("internal timer heap corruption", timers [ev_active (w)] == w));*/ 2181 /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
1903} 2182}
1904 2183
1905void noinline 2184void noinline
1906ev_timer_stop (EV_P_ ev_timer *w) 2185ev_timer_stop (EV_P_ ev_timer *w)
1907{ 2186{
1908 clear_pending (EV_A_ (W)w); 2187 clear_pending (EV_A_ (W)w);
1909 if (expect_false (!ev_is_active (w))) 2188 if (expect_false (!ev_is_active (w)))
1910 return; 2189 return;
1911 2190
2191 EV_FREQUENT_CHECK;
2192
1912 { 2193 {
1913 int active = ev_active (w); 2194 int active = ev_active (w);
1914 2195
1915 assert (("internal timer heap corruption", timers [active] == (WT)w)); 2196 assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
1916 2197
2198 --timercnt;
2199
1917 if (expect_true (active < timercnt)) 2200 if (expect_true (active < timercnt + HEAP0))
1918 { 2201 {
1919 timers [active] = timers [timercnt]; 2202 timers [active] = timers [timercnt + HEAP0];
1920 adjustheap (timers, timercnt, active); 2203 adjustheap (timers, timercnt, active);
1921 } 2204 }
1922
1923 --timercnt;
1924 } 2205 }
2206
2207 EV_FREQUENT_CHECK;
1925 2208
1926 ev_at (w) -= mn_now; 2209 ev_at (w) -= mn_now;
1927 2210
1928 ev_stop (EV_A_ (W)w); 2211 ev_stop (EV_A_ (W)w);
1929} 2212}
1930 2213
1931void noinline 2214void noinline
1932ev_timer_again (EV_P_ ev_timer *w) 2215ev_timer_again (EV_P_ ev_timer *w)
1933{ 2216{
2217 EV_FREQUENT_CHECK;
2218
1934 if (ev_is_active (w)) 2219 if (ev_is_active (w))
1935 { 2220 {
1936 if (w->repeat) 2221 if (w->repeat)
1937 { 2222 {
1938 ev_at (w) = mn_now + w->repeat; 2223 ev_at (w) = mn_now + w->repeat;
2224 ANHE_at_cache (timers [ev_active (w)]);
1939 adjustheap (timers, timercnt, ev_active (w)); 2225 adjustheap (timers, timercnt, ev_active (w));
1940 } 2226 }
1941 else 2227 else
1942 ev_timer_stop (EV_A_ w); 2228 ev_timer_stop (EV_A_ w);
1943 } 2229 }
1944 else if (w->repeat) 2230 else if (w->repeat)
1945 { 2231 {
1946 ev_at (w) = w->repeat; 2232 ev_at (w) = w->repeat;
1947 ev_timer_start (EV_A_ w); 2233 ev_timer_start (EV_A_ w);
1948 } 2234 }
2235
2236 EV_FREQUENT_CHECK;
1949} 2237}
1950 2238
1951#if EV_PERIODIC_ENABLE 2239#if EV_PERIODIC_ENABLE
1952void noinline 2240void noinline
1953ev_periodic_start (EV_P_ ev_periodic *w) 2241ev_periodic_start (EV_P_ ev_periodic *w)
… …
1964 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2252 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1965 } 2253 }
1966 else 2254 else
1967 ev_at (w) = w->offset; 2255 ev_at (w) = w->offset;
1968 2256
2257 EV_FREQUENT_CHECK;
2258
2259 ++periodiccnt;
1969 ev_start (EV_A_ (W)w, ++periodiccnt); 2260 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
1970 array_needsize (WT, periodics, periodicmax, periodiccnt + 1, EMPTY2); 2261 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);
1971 periodics [periodiccnt] = (WT)w; 2262 ANHE_w (periodics [ev_active (w)]) = (WT)w;
1972 upheap (periodics, periodiccnt); 2263 ANHE_at_cache (periodics [ev_active (w)]);
2264 upheap (periodics, ev_active (w));
1973 2265
2266 EV_FREQUENT_CHECK;
2267
1974 /*assert (("internal periodic heap corruption", periodics [ev_active (w)] == w));*/ 2268 /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
1975} 2269}
1976 2270
1977void noinline 2271void noinline
1978ev_periodic_stop (EV_P_ ev_periodic *w) 2272ev_periodic_stop (EV_P_ ev_periodic *w)
1979{ 2273{
1980 clear_pending (EV_A_ (W)w); 2274 clear_pending (EV_A_ (W)w);
1981 if (expect_false (!ev_is_active (w))) 2275 if (expect_false (!ev_is_active (w)))
1982 return; 2276 return;
1983 2277
2278 EV_FREQUENT_CHECK;
2279
1984 { 2280 {
1985 int active = ev_active (w); 2281 int active = ev_active (w);
1986 2282
1987 assert (("internal periodic heap corruption", periodics [active] == (WT)w)); 2283 assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
1988 2284
2285 --periodiccnt;
2286
1989 if (expect_true (active < periodiccnt)) 2287 if (expect_true (active < periodiccnt + HEAP0))
1990 { 2288 {
1991 periodics [active] = periodics [periodiccnt]; 2289 periodics [active] = periodics [periodiccnt + HEAP0];
1992 adjustheap (periodics, periodiccnt, active); 2290 adjustheap (periodics, periodiccnt, active);
1993 } 2291 }
1994
1995 --periodiccnt;
1996 } 2292 }
2293
2294 EV_FREQUENT_CHECK;
1997 2295
1998 ev_stop (EV_A_ (W)w); 2296 ev_stop (EV_A_ (W)w);
1999} 2297}
2000 2298
2001void noinline 2299void noinline
… …
2021 return; 2319 return;
2022 2320
2023 assert (("ev_signal_start called with illegal signal number", w->signum > 0)); 2321 assert (("ev_signal_start called with illegal signal number", w->signum > 0));
2024 2322
2025 evpipe_init (EV_A); 2323 evpipe_init (EV_A);
2324
2325 EV_FREQUENT_CHECK;
2026 2326
2027 { 2327 {
2028#ifndef _WIN32 2328#ifndef _WIN32
2029 sigset_t full, prev; 2329 sigset_t full, prev;
2030 sigfillset (&full); 2330 sigfillset (&full);
… …
2051 sigfillset (&sa.sa_mask); 2351 sigfillset (&sa.sa_mask);
2052 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ 2352 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2053 sigaction (w->signum, &sa, 0); 2353 sigaction (w->signum, &sa, 0);
2054#endif 2354#endif
2055 } 2355 }
2356
2357 EV_FREQUENT_CHECK;
2056} 2358}
2057 2359
2058void noinline 2360void noinline
2059ev_signal_stop (EV_P_ ev_signal *w) 2361ev_signal_stop (EV_P_ ev_signal *w)
2060{ 2362{
2061 clear_pending (EV_A_ (W)w); 2363 clear_pending (EV_A_ (W)w);
2062 if (expect_false (!ev_is_active (w))) 2364 if (expect_false (!ev_is_active (w)))
2063 return; 2365 return;
2064 2366
2367 EV_FREQUENT_CHECK;
2368
2065 wlist_del (&signals [w->signum - 1].head, (WL)w); 2369 wlist_del (&signals [w->signum - 1].head, (WL)w);
2066 ev_stop (EV_A_ (W)w); 2370 ev_stop (EV_A_ (W)w);
2067 2371
2068 if (!signals [w->signum - 1].head) 2372 if (!signals [w->signum - 1].head)
2069 signal (w->signum, SIG_DFL); 2373 signal (w->signum, SIG_DFL);
2374
2375 EV_FREQUENT_CHECK;
2070} 2376}
2071 2377
2072void 2378void
2073ev_child_start (EV_P_ ev_child *w) 2379ev_child_start (EV_P_ ev_child *w)
2074{ 2380{
… …
2076 assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 2382 assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2077#endif 2383#endif
2078 if (expect_false (ev_is_active (w))) 2384 if (expect_false (ev_is_active (w)))
2079 return; 2385 return;
2080 2386
2387 EV_FREQUENT_CHECK;
2388
2081 ev_start (EV_A_ (W)w, 1); 2389 ev_start (EV_A_ (W)w, 1);
2082 wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2390 wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
2391
2392 EV_FREQUENT_CHECK;
2083} 2393}
2084 2394
2085void 2395void
2086ev_child_stop (EV_P_ ev_child *w) 2396ev_child_stop (EV_P_ ev_child *w)
2087{ 2397{
2088 clear_pending (EV_A_ (W)w); 2398 clear_pending (EV_A_ (W)w);
2089 if (expect_false (!ev_is_active (w))) 2399 if (expect_false (!ev_is_active (w)))
2090 return; 2400 return;
2091 2401
2402 EV_FREQUENT_CHECK;
2403
2092 wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2404 wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
2093 ev_stop (EV_A_ (W)w); 2405 ev_stop (EV_A_ (W)w);
2406
2407 EV_FREQUENT_CHECK;
2094} 2408}
2095 2409
2096#if EV_STAT_ENABLE 2410#if EV_STAT_ENABLE
2097 2411
2098# ifdef _WIN32 2412# ifdef _WIN32
… …
2253 } 2567 }
2254 2568
2255 } 2569 }
2256} 2570}
2257 2571
2572#endif
2573
2574#ifdef _WIN32
2575# define EV_LSTAT(p,b) _stati64 (p, b)
2576#else
2577# define EV_LSTAT(p,b) lstat (p, b)
2258#endif 2578#endif
2259 2579
2260void 2580void
2261ev_stat_stat (EV_P_ ev_stat *w) 2581ev_stat_stat (EV_P_ ev_stat *w)
2262{ 2582{
… …
2326 else 2646 else
2327#endif 2647#endif
2328 ev_timer_start (EV_A_ &w->timer); 2648 ev_timer_start (EV_A_ &w->timer);
2329 2649
2330 ev_start (EV_A_ (W)w, 1); 2650 ev_start (EV_A_ (W)w, 1);
2651
2652 EV_FREQUENT_CHECK;
2331} 2653}
2332 2654
2333void 2655void
2334ev_stat_stop (EV_P_ ev_stat *w) 2656ev_stat_stop (EV_P_ ev_stat *w)
2335{ 2657{
2336 clear_pending (EV_A_ (W)w); 2658 clear_pending (EV_A_ (W)w);
2337 if (expect_false (!ev_is_active (w))) 2659 if (expect_false (!ev_is_active (w)))
2338 return; 2660 return;
2339 2661
2662 EV_FREQUENT_CHECK;
2663
2340#if EV_USE_INOTIFY 2664#if EV_USE_INOTIFY
2341 infy_del (EV_A_ w); 2665 infy_del (EV_A_ w);
2342#endif 2666#endif
2343 ev_timer_stop (EV_A_ &w->timer); 2667 ev_timer_stop (EV_A_ &w->timer);
2344 2668
2345 ev_stop (EV_A_ (W)w); 2669 ev_stop (EV_A_ (W)w);
2670
2671 EV_FREQUENT_CHECK;
2346} 2672}
2347#endif 2673#endif
2348 2674
2349#if EV_IDLE_ENABLE 2675#if EV_IDLE_ENABLE
2350void 2676void
… …
2352{ 2678{
2353 if (expect_false (ev_is_active (w))) 2679 if (expect_false (ev_is_active (w)))
2354 return; 2680 return;
2355 2681
2356 pri_adjust (EV_A_ (W)w); 2682 pri_adjust (EV_A_ (W)w);
2683
2684 EV_FREQUENT_CHECK;
2357 2685
2358 { 2686 {
2359 int active = ++idlecnt [ABSPRI (w)]; 2687 int active = ++idlecnt [ABSPRI (w)];
2360 2688
2361 ++idleall; 2689 ++idleall;
2362 ev_start (EV_A_ (W)w, active); 2690 ev_start (EV_A_ (W)w, active);
2363 2691
2364 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); 2692 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);
2365 idles [ABSPRI (w)][active - 1] = w; 2693 idles [ABSPRI (w)][active - 1] = w;
2366 } 2694 }
2695
2696 EV_FREQUENT_CHECK;
2367} 2697}
2368 2698
2369void 2699void
2370ev_idle_stop (EV_P_ ev_idle *w) 2700ev_idle_stop (EV_P_ ev_idle *w)
2371{ 2701{
2372 clear_pending (EV_A_ (W)w); 2702 clear_pending (EV_A_ (W)w);
2373 if (expect_false (!ev_is_active (w))) 2703 if (expect_false (!ev_is_active (w)))
2374 return; 2704 return;
2375 2705
2706 EV_FREQUENT_CHECK;
2707
2376 { 2708 {
2377 int active = ev_active (w); 2709 int active = ev_active (w);
2378 2710
2379 idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; 2711 idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
2380 ev_active (idles [ABSPRI (w)][active - 1]) = active; 2712 ev_active (idles [ABSPRI (w)][active - 1]) = active;
2381 2713
2382 ev_stop (EV_A_ (W)w); 2714 ev_stop (EV_A_ (W)w);
2383 --idleall; 2715 --idleall;
2384 } 2716 }
2717
2718 EV_FREQUENT_CHECK;
2385} 2719}
2386#endif 2720#endif
2387 2721
2388void 2722void
2389ev_prepare_start (EV_P_ ev_prepare *w) 2723ev_prepare_start (EV_P_ ev_prepare *w)
2390{ 2724{
2391 if (expect_false (ev_is_active (w))) 2725 if (expect_false (ev_is_active (w)))
2392 return; 2726 return;
2727
2728 EV_FREQUENT_CHECK;
2393 2729
2394 ev_start (EV_A_ (W)w, ++preparecnt); 2730 ev_start (EV_A_ (W)w, ++preparecnt);
2395 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); 2731 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
2396 prepares [preparecnt - 1] = w; 2732 prepares [preparecnt - 1] = w;
2733
2734 EV_FREQUENT_CHECK;
2397} 2735}
2398 2736
2399void 2737void
2400ev_prepare_stop (EV_P_ ev_prepare *w) 2738ev_prepare_stop (EV_P_ ev_prepare *w)
2401{ 2739{
2402 clear_pending (EV_A_ (W)w); 2740 clear_pending (EV_A_ (W)w);
2403 if (expect_false (!ev_is_active (w))) 2741 if (expect_false (!ev_is_active (w)))
2404 return; 2742 return;
2405 2743
2744 EV_FREQUENT_CHECK;
2745
2406 { 2746 {
2407 int active = ev_active (w); 2747 int active = ev_active (w);
2408 2748
2409 prepares [active - 1] = prepares [--preparecnt]; 2749 prepares [active - 1] = prepares [--preparecnt];
2410 ev_active (prepares [active - 1]) = active; 2750 ev_active (prepares [active - 1]) = active;
2411 } 2751 }
2412 2752
2413 ev_stop (EV_A_ (W)w); 2753 ev_stop (EV_A_ (W)w);
2754
2755 EV_FREQUENT_CHECK;
2414} 2756}
2415 2757
2416void 2758void
2417ev_check_start (EV_P_ ev_check *w) 2759ev_check_start (EV_P_ ev_check *w)
2418{ 2760{
2419 if (expect_false (ev_is_active (w))) 2761 if (expect_false (ev_is_active (w)))
2420 return; 2762 return;
2763
2764 EV_FREQUENT_CHECK;
2421 2765
2422 ev_start (EV_A_ (W)w, ++checkcnt); 2766 ev_start (EV_A_ (W)w, ++checkcnt);
2423 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); 2767 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
2424 checks [checkcnt - 1] = w; 2768 checks [checkcnt - 1] = w;
2769
2770 EV_FREQUENT_CHECK;
2425} 2771}
2426 2772
2427void 2773void
2428ev_check_stop (EV_P_ ev_check *w) 2774ev_check_stop (EV_P_ ev_check *w)
2429{ 2775{
2430 clear_pending (EV_A_ (W)w); 2776 clear_pending (EV_A_ (W)w);
2431 if (expect_false (!ev_is_active (w))) 2777 if (expect_false (!ev_is_active (w)))
2432 return; 2778 return;
2433 2779
2780 EV_FREQUENT_CHECK;
2781
2434 { 2782 {
2435 int active = ev_active (w); 2783 int active = ev_active (w);
2436 2784
2437 checks [active - 1] = checks [--checkcnt]; 2785 checks [active - 1] = checks [--checkcnt];
2438 ev_active (checks [active - 1]) = active; 2786 ev_active (checks [active - 1]) = active;
2439 } 2787 }
2440 2788
2441 ev_stop (EV_A_ (W)w); 2789 ev_stop (EV_A_ (W)w);
2790
2791 EV_FREQUENT_CHECK;
2442} 2792}
2443 2793
2444#if EV_EMBED_ENABLE 2794#if EV_EMBED_ENABLE
2445void noinline 2795void noinline
2446ev_embed_sweep (EV_P_ ev_embed *w) 2796ev_embed_sweep (EV_P_ ev_embed *w)
… …
2493 struct ev_loop *loop = w->other; 2843 struct ev_loop *loop = w->other;
2494 assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); 2844 assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2495 ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); 2845 ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2496 } 2846 }
2497 2847
2848 EV_FREQUENT_CHECK;
2849
2498 ev_set_priority (&w->io, ev_priority (w)); 2850 ev_set_priority (&w->io, ev_priority (w));
2499 ev_io_start (EV_A_ &w->io); 2851 ev_io_start (EV_A_ &w->io);
2500 2852
2501 ev_prepare_init (&w->prepare, embed_prepare_cb); 2853 ev_prepare_init (&w->prepare, embed_prepare_cb);
2502 ev_set_priority (&w->prepare, EV_MINPRI); 2854 ev_set_priority (&w->prepare, EV_MINPRI);
2503 ev_prepare_start (EV_A_ &w->prepare); 2855 ev_prepare_start (EV_A_ &w->prepare);
2504 2856
2505 /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ 2857 /*ev_idle_init (&w->idle, e,bed_idle_cb);*/
2506 2858
2507 ev_start (EV_A_ (W)w, 1); 2859 ev_start (EV_A_ (W)w, 1);
2860
2861 EV_FREQUENT_CHECK;
2508} 2862}
2509 2863
2510void 2864void
2511ev_embed_stop (EV_P_ ev_embed *w) 2865ev_embed_stop (EV_P_ ev_embed *w)
2512{ 2866{
2513 clear_pending (EV_A_ (W)w); 2867 clear_pending (EV_A_ (W)w);
2514 if (expect_false (!ev_is_active (w))) 2868 if (expect_false (!ev_is_active (w)))
2515 return; 2869 return;
2516 2870
2871 EV_FREQUENT_CHECK;
2872
2517 ev_io_stop (EV_A_ &w->io); 2873 ev_io_stop (EV_A_ &w->io);
2518 ev_prepare_stop (EV_A_ &w->prepare); 2874 ev_prepare_stop (EV_A_ &w->prepare);
2519 2875
2520 ev_stop (EV_A_ (W)w); 2876 ev_stop (EV_A_ (W)w);
2877
2878 EV_FREQUENT_CHECK;
2521} 2879}
2522#endif 2880#endif
2523 2881
2524#if EV_FORK_ENABLE 2882#if EV_FORK_ENABLE
2525void 2883void
2526ev_fork_start (EV_P_ ev_fork *w) 2884ev_fork_start (EV_P_ ev_fork *w)
2527{ 2885{
2528 if (expect_false (ev_is_active (w))) 2886 if (expect_false (ev_is_active (w)))
2529 return; 2887 return;
2888
2889 EV_FREQUENT_CHECK;
2530 2890
2531 ev_start (EV_A_ (W)w, ++forkcnt); 2891 ev_start (EV_A_ (W)w, ++forkcnt);
2532 array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); 2892 array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);
2533 forks [forkcnt - 1] = w; 2893 forks [forkcnt - 1] = w;
2894
2895 EV_FREQUENT_CHECK;
2534} 2896}
2535 2897
2536void 2898void
2537ev_fork_stop (EV_P_ ev_fork *w) 2899ev_fork_stop (EV_P_ ev_fork *w)
2538{ 2900{
2539 clear_pending (EV_A_ (W)w); 2901 clear_pending (EV_A_ (W)w);
2540 if (expect_false (!ev_is_active (w))) 2902 if (expect_false (!ev_is_active (w)))
2541 return; 2903 return;
2542 2904
2905 EV_FREQUENT_CHECK;
2906
2543 { 2907 {
2544 int active = ev_active (w); 2908 int active = ev_active (w);
2545 2909
2546 forks [active - 1] = forks [--forkcnt]; 2910 forks [active - 1] = forks [--forkcnt];
2547 ev_active (forks [active - 1]) = active; 2911 ev_active (forks [active - 1]) = active;
2548 } 2912 }
2549 2913
2550 ev_stop (EV_A_ (W)w); 2914 ev_stop (EV_A_ (W)w);
2915
2916 EV_FREQUENT_CHECK;
2551} 2917}
2552#endif 2918#endif
2553 2919
2554#if EV_ASYNC_ENABLE 2920#if EV_ASYNC_ENABLE
2555void 2921void
… …
2557{ 2923{
2558 if (expect_false (ev_is_active (w))) 2924 if (expect_false (ev_is_active (w)))
2559 return; 2925 return;
2560 2926
2561 evpipe_init (EV_A); 2927 evpipe_init (EV_A);
2928
2929 EV_FREQUENT_CHECK;
2562 2930
2563 ev_start (EV_A_ (W)w, ++asynccnt); 2931 ev_start (EV_A_ (W)w, ++asynccnt);
2564 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); 2932 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);
2565 asyncs [asynccnt - 1] = w; 2933 asyncs [asynccnt - 1] = w;
2934
2935 EV_FREQUENT_CHECK;
2566} 2936}
2567 2937
2568void 2938void
2569ev_async_stop (EV_P_ ev_async *w) 2939ev_async_stop (EV_P_ ev_async *w)
2570{ 2940{
2571 clear_pending (EV_A_ (W)w); 2941 clear_pending (EV_A_ (W)w);
2572 if (expect_false (!ev_is_active (w))) 2942 if (expect_false (!ev_is_active (w)))
2573 return; 2943 return;
2574 2944
2945 EV_FREQUENT_CHECK;
2946
2575 { 2947 {
2576 int active = ev_active (w); 2948 int active = ev_active (w);
2577 2949
2578 asyncs [active - 1] = asyncs [--asynccnt]; 2950 asyncs [active - 1] = asyncs [--asynccnt];
2579 ev_active (asyncs [active - 1]) = active; 2951 ev_active (asyncs [active - 1]) = active;
2580 } 2952 }
2581 2953
2582 ev_stop (EV_A_ (W)w); 2954 ev_stop (EV_A_ (W)w);
2955
2956 EV_FREQUENT_CHECK;
2583} 2957}
2584 2958
2585void 2959void
2586ev_async_send (EV_P_ ev_async *w) 2960ev_async_send (EV_P_ ev_async *w)
2587{ 2961{

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