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Comparing libev/ev.c (file contents):
Revision 1.239 by root, Thu May 8 20:52:13 2008 UTC vs.
Revision 1.256 by root, Thu Jun 19 06:53:49 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>
… …
154#ifndef _WIN32 154#ifndef _WIN32
155# include <sys/time.h> 155# include <sys/time.h>
156# include <sys/wait.h> 156# include <sys/wait.h>
157# include <unistd.h> 157# include <unistd.h>
158#else 158#else
159# include <io.h>
159# define WIN32_LEAN_AND_MEAN 160# define WIN32_LEAN_AND_MEAN
160# include <windows.h> 161# include <windows.h>
161# ifndef EV_SELECT_IS_WINSOCKET 162# ifndef EV_SELECT_IS_WINSOCKET
162# define EV_SELECT_IS_WINSOCKET 1 163# define EV_SELECT_IS_WINSOCKET 1
163# endif 164# endif
164#endif 165#endif
165 166
166/* this block tries to deduce configuration from header-defined symbols and defaults */ 167/* this block tries to deduce configuration from header-defined symbols and defaults */
167 168
168#ifndef EV_USE_MONOTONIC 169#ifndef EV_USE_MONOTONIC
170# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
171# define EV_USE_MONOTONIC 1
172# else
169# define EV_USE_MONOTONIC 0 173# define EV_USE_MONOTONIC 0
174# endif
170#endif 175#endif
171 176
172#ifndef EV_USE_REALTIME 177#ifndef EV_USE_REALTIME
173# define EV_USE_REALTIME 0 178# define EV_USE_REALTIME 0
174#endif 179#endif
175 180
176#ifndef EV_USE_NANOSLEEP 181#ifndef EV_USE_NANOSLEEP
182# if _POSIX_C_SOURCE >= 199309L
183# define EV_USE_NANOSLEEP 1
184# else
177# define EV_USE_NANOSLEEP 0 185# define EV_USE_NANOSLEEP 0
186# endif
178#endif 187#endif
179 188
180#ifndef EV_USE_SELECT 189#ifndef EV_USE_SELECT
181# define EV_USE_SELECT 1 190# define EV_USE_SELECT 1
182#endif 191#endif
… …
233# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) 242# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
234# define EV_USE_EVENTFD 1 243# define EV_USE_EVENTFD 1
235# else 244# else
236# define EV_USE_EVENTFD 0 245# define EV_USE_EVENTFD 0
237# endif 246# endif
247#endif
248
249#if 0 /* debugging */
250# define EV_VERIFY 3
251# define EV_USE_4HEAP 1
252# define EV_HEAP_CACHE_AT 1
253#endif
254
255#ifndef EV_VERIFY
256# define EV_VERIFY !EV_MINIMAL
257#endif
258
259#ifndef EV_USE_4HEAP
260# define EV_USE_4HEAP !EV_MINIMAL
261#endif
262
263#ifndef EV_HEAP_CACHE_AT
264# define EV_HEAP_CACHE_AT !EV_MINIMAL
238#endif 265#endif
239 266
240/* this block fixes any misconfiguration where we know we run into trouble otherwise */ 267/* this block fixes any misconfiguration where we know we run into trouble otherwise */
241 268
242#ifndef CLOCK_MONOTONIC 269#ifndef CLOCK_MONOTONIC
… …
279} 306}
280# endif 307# endif
281#endif 308#endif
282 309
283/**/ 310/**/
311
312#if EV_VERIFY >= 3
313# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)
314#else
315# define EV_FREQUENT_CHECK do { } while (0)
316#endif
284 317
285/* 318/*
286 * This is used to avoid floating point rounding problems. 319 * This is used to avoid floating point rounding problems.
287 * It is added to ev_rt_now when scheduling periodics 320 * It is added to ev_rt_now when scheduling periodics
288 * to ensure progress, time-wise, even when rounding 321 * to ensure progress, time-wise, even when rounding
… …
422 W w; 455 W w;
423 int events; 456 int events;
424} ANPENDING; 457} ANPENDING;
425 458
426#if EV_USE_INOTIFY 459#if EV_USE_INOTIFY
460/* hash table entry per inotify-id */
427typedef struct 461typedef struct
428{ 462{
429 WL head; 463 WL head;
430} ANFS; 464} ANFS;
465#endif
466
467/* Heap Entry */
468#if EV_HEAP_CACHE_AT
469 typedef struct {
470 ev_tstamp at;
471 WT w;
472 } ANHE;
473
474 #define ANHE_w(he) (he).w /* access watcher, read-write */
475 #define ANHE_at(he) (he).at /* access cached at, read-only */
476 #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */
477#else
478 typedef WT ANHE;
479
480 #define ANHE_w(he) (he)
481 #define ANHE_at(he) (he)->at
482 #define ANHE_at_cache(he)
431#endif 483#endif
432 484
433#if EV_MULTIPLICITY 485#if EV_MULTIPLICITY
434 486
435 struct ev_loop 487 struct ev_loop
… …
656 events |= (unsigned char)w->events; 708 events |= (unsigned char)w->events;
657 709
658#if EV_SELECT_IS_WINSOCKET 710#if EV_SELECT_IS_WINSOCKET
659 if (events) 711 if (events)
660 { 712 {
661 unsigned long argp; 713 unsigned long arg;
662 #ifdef EV_FD_TO_WIN32_HANDLE 714 #ifdef EV_FD_TO_WIN32_HANDLE
663 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); 715 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
664 #else 716 #else
665 anfd->handle = _get_osfhandle (fd); 717 anfd->handle = _get_osfhandle (fd);
666 #endif 718 #endif
667 assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); 719 assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
668 } 720 }
669#endif 721#endif
670 722
671 { 723 {
672 unsigned char o_events = anfd->events; 724 unsigned char o_events = anfd->events;
… …
725{ 777{
726 int fd; 778 int fd;
727 779
728 for (fd = 0; fd < anfdmax; ++fd) 780 for (fd = 0; fd < anfdmax; ++fd)
729 if (anfds [fd].events) 781 if (anfds [fd].events)
730 if (!fd_valid (fd) == -1 && errno == EBADF) 782 if (!fd_valid (fd) && errno == EBADF)
731 fd_kill (EV_A_ fd); 783 fd_kill (EV_A_ fd);
732} 784}
733 785
734/* called on ENOMEM in select/poll to kill some fds and retry */ 786/* called on ENOMEM in select/poll to kill some fds and retry */
735static void noinline 787static void noinline
… …
760} 812}
761 813
762/*****************************************************************************/ 814/*****************************************************************************/
763 815
764/* 816/*
817 * the heap functions want a real array index. array index 0 uis guaranteed to not
818 * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
819 * the branching factor of the d-tree.
820 */
821
822/*
765 * at the moment we allow libev the luxury of two heaps, 823 * at the moment we allow libev the luxury of two heaps,
766 * a small-code-size 2-heap one and a ~1.5kb larger 4-heap 824 * a small-code-size 2-heap one and a ~1.5kb larger 4-heap
767 * which is more cache-efficient. 825 * which is more cache-efficient.
768 * the difference is about 5% with 50000+ watchers. 826 * the difference is about 5% with 50000+ watchers.
769 */ 827 */
770#define USE_4HEAP !EV_MINIMAL
771#if USE_4HEAP 828#if EV_USE_4HEAP
772 829
773#define DHEAP 4 830#define DHEAP 4
774#define HEAP0 (DHEAP - 1) /* index of first element in heap */ 831#define HEAP0 (DHEAP - 1) /* index of first element in heap */
832#define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0)
833#define UPHEAP_DONE(p,k) ((p) == (k))
834
835/* away from the root */
836void inline_speed
837downheap (ANHE *heap, int N, int k)
838{
839 ANHE he = heap [k];
840 ANHE *E = heap + N + HEAP0;
841
842 for (;;)
843 {
844 ev_tstamp minat;
845 ANHE *minpos;
846 ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
847
848 /* find minimum child */
849 if (expect_true (pos + DHEAP - 1 < E))
850 {
851 /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
852 if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
853 if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
854 if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
855 }
856 else if (pos < E)
857 {
858 /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
859 if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
860 if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
861 if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
862 }
863 else
864 break;
865
866 if (ANHE_at (he) <= minat)
867 break;
868
869 heap [k] = *minpos;
870 ev_active (ANHE_w (*minpos)) = k;
871
872 k = minpos - heap;
873 }
874
875 heap [k] = he;
876 ev_active (ANHE_w (he)) = k;
877}
878
879#else /* 4HEAP */
880
881#define HEAP0 1
882#define HPARENT(k) ((k) >> 1)
883#define UPHEAP_DONE(p,k) (!(p))
884
885/* away from the root */
886void inline_speed
887downheap (ANHE *heap, int N, int k)
888{
889 ANHE he = heap [k];
890
891 for (;;)
892 {
893 int c = k << 1;
894
895 if (c > N + HEAP0 - 1)
896 break;
897
898 c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])
899 ? 1 : 0;
900
901 if (ANHE_at (he) <= ANHE_at (heap [c]))
902 break;
903
904 heap [k] = heap [c];
905 ev_active (ANHE_w (heap [k])) = k;
906
907 k = c;
908 }
909
910 heap [k] = he;
911 ev_active (ANHE_w (he)) = k;
912}
913#endif
775 914
776/* towards the root */ 915/* towards the root */
777void inline_speed 916void inline_speed
778upheap (WT *heap, int k) 917upheap (ANHE *heap, int k)
779{ 918{
780 WT w = heap [k]; 919 ANHE he = heap [k];
781 920
782 for (;;) 921 for (;;)
783 { 922 {
784 int p = ((k - HEAP0 - 1) / DHEAP) + HEAP0; 923 int p = HPARENT (k);
785 924
786 if (p == k || heap [p]->at <= w->at) 925 if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he))
787 break; 926 break;
788 927
789 heap [k] = heap [p]; 928 heap [k] = heap [p];
790 ev_active (heap [k]) = k; 929 ev_active (ANHE_w (heap [k])) = k;
791 k = p; 930 k = p;
792 } 931 }
793 932
794 heap [k] = w; 933 heap [k] = he;
795 ev_active (heap [k]) = k; 934 ev_active (ANHE_w (he)) = k;
796} 935}
797
798/* away from the root */
799void inline_speed
800downheap (WT *heap, int N, int k)
801{
802 WT w = heap [k];
803 WT *E = heap + N + HEAP0;
804
805 for (;;)
806 {
807 ev_tstamp minat;
808 WT *minpos;
809 WT *pos = heap + DHEAP * (k - HEAP0) + HEAP0;
810
811 // find minimum child
812 if (expect_true (pos + DHEAP - 1 < E))
813 {
814 /* fast path */
815 (minpos = pos + 0), (minat = (*minpos)->at);
816 if (pos [1]->at < minat) (minpos = pos + 1), (minat = (*minpos)->at);
817 if (pos [2]->at < minat) (minpos = pos + 2), (minat = (*minpos)->at);
818 if (pos [3]->at < minat) (minpos = pos + 3), (minat = (*minpos)->at);
819 }
820 else
821 {
822 /* slow path */
823 if (pos >= E)
824 break;
825 (minpos = pos + 0), (minat = (*minpos)->at);
826 if (pos + 1 < E && pos [1]->at < minat) (minpos = pos + 1), (minat = (*minpos)->at);
827 if (pos + 2 < E && pos [2]->at < minat) (minpos = pos + 2), (minat = (*minpos)->at);
828 if (pos + 3 < E && pos [3]->at < minat) (minpos = pos + 3), (minat = (*minpos)->at);
829 }
830
831 if (w->at <= minat)
832 break;
833
834 ev_active (*minpos) = k;
835 heap [k] = *minpos;
836
837 k = minpos - heap;
838 }
839
840 heap [k] = w;
841 ev_active (heap [k]) = k;
842}
843
844#else // 4HEAP
845
846#define HEAP0 1
847
848/* towards the root */
849void inline_speed
850upheap (WT *heap, int k)
851{
852 WT w = heap [k];
853
854 for (;;)
855 {
856 int p = k >> 1;
857
858 /* maybe we could use a dummy element at heap [0]? */
859 if (!p || heap [p]->at <= w->at)
860 break;
861
862 heap [k] = heap [p];
863 ev_active (heap [k]) = k;
864 k = p;
865 }
866
867 heap [k] = w;
868 ev_active (heap [k]) = k;
869}
870
871/* away from the root */
872void inline_speed
873downheap (WT *heap, int N, int k)
874{
875 WT w = heap [k];
876
877 for (;;)
878 {
879 int c = k << 1;
880
881 if (c > N)
882 break;
883
884 c += c + 1 < N && heap [c]->at > heap [c + 1]->at
885 ? 1 : 0;
886
887 if (w->at <= heap [c]->at)
888 break;
889
890 heap [k] = heap [c];
891 ((W)heap [k])->active = k;
892
893 k = c;
894 }
895
896 heap [k] = w;
897 ev_active (heap [k]) = k;
898}
899#endif
900 936
901void inline_size 937void inline_size
902adjustheap (WT *heap, int N, int k) 938adjustheap (ANHE *heap, int N, int k)
903{ 939{
940 if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))
904 upheap (heap, k); 941 upheap (heap, k);
942 else
905 downheap (heap, N, k); 943 downheap (heap, N, k);
944}
945
946/* rebuild the heap: this function is used only once and executed rarely */
947void inline_size
948reheap (ANHE *heap, int N)
949{
950 int i;
951
952 /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */
953 /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */
954 for (i = 0; i < N; ++i)
955 upheap (heap, i + HEAP0);
906} 956}
907 957
908/*****************************************************************************/ 958/*****************************************************************************/
909 959
910typedef struct 960typedef struct
… …
934 984
935void inline_speed 985void inline_speed
936fd_intern (int fd) 986fd_intern (int fd)
937{ 987{
938#ifdef _WIN32 988#ifdef _WIN32
939 int arg = 1; 989 unsigned long arg = 1;
940 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); 990 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
941#else 991#else
942 fcntl (fd, F_SETFD, FD_CLOEXEC); 992 fcntl (fd, F_SETFD, FD_CLOEXEC);
943 fcntl (fd, F_SETFL, O_NONBLOCK); 993 fcntl (fd, F_SETFL, O_NONBLOCK);
944#endif 994#endif
… …
1428 1478
1429 postfork = 0; 1479 postfork = 0;
1430} 1480}
1431 1481
1432#if EV_MULTIPLICITY 1482#if EV_MULTIPLICITY
1483
1433struct ev_loop * 1484struct ev_loop *
1434ev_loop_new (unsigned int flags) 1485ev_loop_new (unsigned int flags)
1435{ 1486{
1436 struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 1487 struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
1437 1488
… …
1455void 1506void
1456ev_loop_fork (EV_P) 1507ev_loop_fork (EV_P)
1457{ 1508{
1458 postfork = 1; /* must be in line with ev_default_fork */ 1509 postfork = 1; /* must be in line with ev_default_fork */
1459} 1510}
1511
1512#if EV_VERIFY
1513void noinline
1514verify_watcher (EV_P_ W w)
1515{
1516 assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
1517
1518 if (w->pending)
1519 assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
1520}
1521
1522static void noinline
1523verify_heap (EV_P_ ANHE *heap, int N)
1524{
1525 int i;
1526
1527 for (i = HEAP0; i < N + HEAP0; ++i)
1528 {
1529 assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));
1530 assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
1531 assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
1532
1533 verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
1534 }
1535}
1536
1537static void noinline
1538array_verify (EV_P_ W *ws, int cnt)
1539{
1540 while (cnt--)
1541 {
1542 assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1));
1543 verify_watcher (EV_A_ ws [cnt]);
1544 }
1545}
1546#endif
1547
1548void
1549ev_loop_verify (EV_P)
1550{
1551#if EV_VERIFY
1552 int i;
1553 WL w;
1554
1555 assert (activecnt >= -1);
1556
1557 assert (fdchangemax >= fdchangecnt);
1558 for (i = 0; i < fdchangecnt; ++i)
1559 assert (("negative fd in fdchanges", fdchanges [i] >= 0));
1560
1561 assert (anfdmax >= 0);
1562 for (i = 0; i < anfdmax; ++i)
1563 for (w = anfds [i].head; w; w = w->next)
1564 {
1565 verify_watcher (EV_A_ (W)w);
1566 assert (("inactive fd watcher on anfd list", ev_active (w) == 1));
1567 assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
1568 }
1569
1570 assert (timermax >= timercnt);
1571 verify_heap (EV_A_ timers, timercnt);
1572
1573#if EV_PERIODIC_ENABLE
1574 assert (periodicmax >= periodiccnt);
1575 verify_heap (EV_A_ periodics, periodiccnt);
1576#endif
1577
1578 for (i = NUMPRI; i--; )
1579 {
1580 assert (pendingmax [i] >= pendingcnt [i]);
1581#if EV_IDLE_ENABLE
1582 assert (idleall >= 0);
1583 assert (idlemax [i] >= idlecnt [i]);
1584 array_verify (EV_A_ (W *)idles [i], idlecnt [i]);
1585#endif
1586 }
1587
1588#if EV_FORK_ENABLE
1589 assert (forkmax >= forkcnt);
1590 array_verify (EV_A_ (W *)forks, forkcnt);
1591#endif
1592
1593#if EV_ASYNC_ENABLE
1594 assert (asyncmax >= asynccnt);
1595 array_verify (EV_A_ (W *)asyncs, asynccnt);
1596#endif
1597
1598 assert (preparemax >= preparecnt);
1599 array_verify (EV_A_ (W *)prepares, preparecnt);
1600
1601 assert (checkmax >= checkcnt);
1602 array_verify (EV_A_ (W *)checks, checkcnt);
1603
1604# if 0
1605 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)
1606 for (signum = signalmax; signum--; ) if (signals [signum].gotsig)
1460#endif 1607# endif
1608#endif
1609}
1610
1611#endif /* multiplicity */
1461 1612
1462#if EV_MULTIPLICITY 1613#if EV_MULTIPLICITY
1463struct ev_loop * 1614struct ev_loop *
1464ev_default_loop_init (unsigned int flags) 1615ev_default_loop_init (unsigned int flags)
1465#else 1616#else
… …
1541 { 1692 {
1542 /*assert (("non-pending watcher on pending list", p->w->pending));*/ 1693 /*assert (("non-pending watcher on pending list", p->w->pending));*/
1543 1694
1544 p->w->pending = 0; 1695 p->w->pending = 0;
1545 EV_CB_INVOKE (p->w, p->events); 1696 EV_CB_INVOKE (p->w, p->events);
1697 EV_FREQUENT_CHECK;
1546 } 1698 }
1547 } 1699 }
1548} 1700}
1549 1701
1550#if EV_IDLE_ENABLE 1702#if EV_IDLE_ENABLE
… …
1571#endif 1723#endif
1572 1724
1573void inline_size 1725void inline_size
1574timers_reify (EV_P) 1726timers_reify (EV_P)
1575{ 1727{
1728 EV_FREQUENT_CHECK;
1729
1576 while (timercnt && ev_at (timers [HEAP0]) <= mn_now) 1730 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)
1577 { 1731 {
1578 ev_timer *w = (ev_timer *)timers [HEAP0]; 1732 ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]);
1579 1733
1580 /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ 1734 /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/
1581 1735
1582 /* first reschedule or stop timer */ 1736 /* first reschedule or stop timer */
1583 if (w->repeat) 1737 if (w->repeat)
1584 { 1738 {
1585 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1586
1587 ev_at (w) += w->repeat; 1739 ev_at (w) += w->repeat;
1588 if (ev_at (w) < mn_now) 1740 if (ev_at (w) < mn_now)
1589 ev_at (w) = mn_now; 1741 ev_at (w) = mn_now;
1590 1742
1743 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1744
1745 ANHE_at_cache (timers [HEAP0]);
1591 downheap (timers, timercnt, HEAP0); 1746 downheap (timers, timercnt, HEAP0);
1592 } 1747 }
1593 else 1748 else
1594 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ 1749 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1595 1750
1751 EV_FREQUENT_CHECK;
1596 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); 1752 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1597 } 1753 }
1598} 1754}
1599 1755
1600#if EV_PERIODIC_ENABLE 1756#if EV_PERIODIC_ENABLE
1601void inline_size 1757void inline_size
1602periodics_reify (EV_P) 1758periodics_reify (EV_P)
1603{ 1759{
1760 EV_FREQUENT_CHECK;
1761
1604 while (periodiccnt && ev_at (periodics [HEAP0]) <= ev_rt_now) 1762 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
1605 { 1763 {
1606 ev_periodic *w = (ev_periodic *)periodics [HEAP0]; 1764 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
1607 1765
1608 /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ 1766 /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/
1609 1767
1610 /* first reschedule or stop timer */ 1768 /* first reschedule or stop timer */
1611 if (w->reschedule_cb) 1769 if (w->reschedule_cb)
1612 { 1770 {
1613 ev_at (w) = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); 1771 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1772
1614 assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) > ev_rt_now)); 1773 assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));
1774
1775 ANHE_at_cache (periodics [HEAP0]);
1615 downheap (periodics, periodiccnt, 1); 1776 downheap (periodics, periodiccnt, HEAP0);
1616 } 1777 }
1617 else if (w->interval) 1778 else if (w->interval)
1618 { 1779 {
1619 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 1780 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1781 /* if next trigger time is not sufficiently in the future, put it there */
1782 /* this might happen because of floating point inexactness */
1620 if (ev_at (w) - ev_rt_now <= TIME_EPSILON) ev_at (w) += w->interval; 1783 if (ev_at (w) - ev_rt_now < TIME_EPSILON)
1621 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ev_at (w) > ev_rt_now)); 1784 {
1785 ev_at (w) += w->interval;
1786
1787 /* if interval is unreasonably low we might still have a time in the past */
1788 /* so correct this. this will make the periodic very inexact, but the user */
1789 /* has effectively asked to get triggered more often than possible */
1790 if (ev_at (w) < ev_rt_now)
1791 ev_at (w) = ev_rt_now;
1792 }
1793
1794 ANHE_at_cache (periodics [HEAP0]);
1622 downheap (periodics, periodiccnt, HEAP0); 1795 downheap (periodics, periodiccnt, HEAP0);
1623 } 1796 }
1624 else 1797 else
1625 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ 1798 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1626 1799
1800 EV_FREQUENT_CHECK;
1627 ev_feed_event (EV_A_ (W)w, EV_PERIODIC); 1801 ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1628 } 1802 }
1629} 1803}
1630 1804
1631static void noinline 1805static void noinline
1632periodics_reschedule (EV_P) 1806periodics_reschedule (EV_P)
1633{ 1807{
1634 int i; 1808 int i;
1635 1809
1636 /* adjust periodics after time jump */ 1810 /* adjust periodics after time jump */
1637 for (i = 1; i <= periodiccnt; ++i) 1811 for (i = HEAP0; i < periodiccnt + HEAP0; ++i)
1638 { 1812 {
1639 ev_periodic *w = (ev_periodic *)periodics [i]; 1813 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]);
1640 1814
1641 if (w->reschedule_cb) 1815 if (w->reschedule_cb)
1642 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 1816 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1643 else if (w->interval) 1817 else if (w->interval)
1644 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 1818 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1645 }
1646 1819
1647 /* now rebuild the heap */ 1820 ANHE_at_cache (periodics [i]);
1648 for (i = periodiccnt >> 1; --i; ) 1821 }
1822
1649 downheap (periodics, periodiccnt, i + HEAP0); 1823 reheap (periodics, periodiccnt);
1650} 1824}
1651#endif 1825#endif
1652 1826
1653void inline_speed 1827void inline_speed
1654time_update (EV_P_ ev_tstamp max_block) 1828time_update (EV_P_ ev_tstamp max_block)
… …
1708 { 1882 {
1709#if EV_PERIODIC_ENABLE 1883#if EV_PERIODIC_ENABLE
1710 periodics_reschedule (EV_A); 1884 periodics_reschedule (EV_A);
1711#endif 1885#endif
1712 /* adjust timers. this is easy, as the offset is the same for all of them */ 1886 /* adjust timers. this is easy, as the offset is the same for all of them */
1713 for (i = 1; i <= timercnt; ++i) 1887 for (i = 0; i < timercnt; ++i)
1714 ev_at (timers [i]) += ev_rt_now - mn_now; 1888 {
1889 ANHE *he = timers + i + HEAP0;
1890 ANHE_w (*he)->at += ev_rt_now - mn_now;
1891 ANHE_at_cache (*he);
1892 }
1715 } 1893 }
1716 1894
1717 mn_now = ev_rt_now; 1895 mn_now = ev_rt_now;
1718 } 1896 }
1719} 1897}
… …
1739 1917
1740 call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ 1918 call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */
1741 1919
1742 do 1920 do
1743 { 1921 {
1922#if EV_VERIFY >= 2
1923 ev_loop_verify (EV_A);
1924#endif
1925
1744#ifndef _WIN32 1926#ifndef _WIN32
1745 if (expect_false (curpid)) /* penalise the forking check even more */ 1927 if (expect_false (curpid)) /* penalise the forking check even more */
1746 if (expect_false (getpid () != curpid)) 1928 if (expect_false (getpid () != curpid))
1747 { 1929 {
1748 curpid = getpid (); 1930 curpid = getpid ();
… …
1789 1971
1790 waittime = MAX_BLOCKTIME; 1972 waittime = MAX_BLOCKTIME;
1791 1973
1792 if (timercnt) 1974 if (timercnt)
1793 { 1975 {
1794 ev_tstamp to = ev_at (timers [HEAP0]) - mn_now + backend_fudge; 1976 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
1795 if (waittime > to) waittime = to; 1977 if (waittime > to) waittime = to;
1796 } 1978 }
1797 1979
1798#if EV_PERIODIC_ENABLE 1980#if EV_PERIODIC_ENABLE
1799 if (periodiccnt) 1981 if (periodiccnt)
1800 { 1982 {
1801 ev_tstamp to = ev_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; 1983 ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge;
1802 if (waittime > to) waittime = to; 1984 if (waittime > to) waittime = to;
1803 } 1985 }
1804#endif 1986#endif
1805 1987
1806 if (expect_false (waittime < timeout_blocktime)) 1988 if (expect_false (waittime < timeout_blocktime))
… …
1943 if (expect_false (ev_is_active (w))) 2125 if (expect_false (ev_is_active (w)))
1944 return; 2126 return;
1945 2127
1946 assert (("ev_io_start called with negative fd", fd >= 0)); 2128 assert (("ev_io_start called with negative fd", fd >= 0));
1947 2129
2130 EV_FREQUENT_CHECK;
2131
1948 ev_start (EV_A_ (W)w, 1); 2132 ev_start (EV_A_ (W)w, 1);
1949 array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); 2133 array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1950 wlist_add (&anfds[fd].head, (WL)w); 2134 wlist_add (&anfds[fd].head, (WL)w);
1951 2135
1952 fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); 2136 fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);
1953 w->events &= ~EV_IOFDSET; 2137 w->events &= ~EV_IOFDSET;
2138
2139 EV_FREQUENT_CHECK;
1954} 2140}
1955 2141
1956void noinline 2142void noinline
1957ev_io_stop (EV_P_ ev_io *w) 2143ev_io_stop (EV_P_ ev_io *w)
1958{ 2144{
1959 clear_pending (EV_A_ (W)w); 2145 clear_pending (EV_A_ (W)w);
1960 if (expect_false (!ev_is_active (w))) 2146 if (expect_false (!ev_is_active (w)))
1961 return; 2147 return;
1962 2148
1963 assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); 2149 assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
2150
2151 EV_FREQUENT_CHECK;
1964 2152
1965 wlist_del (&anfds[w->fd].head, (WL)w); 2153 wlist_del (&anfds[w->fd].head, (WL)w);
1966 ev_stop (EV_A_ (W)w); 2154 ev_stop (EV_A_ (W)w);
1967 2155
1968 fd_change (EV_A_ w->fd, 1); 2156 fd_change (EV_A_ w->fd, 1);
2157
2158 EV_FREQUENT_CHECK;
1969} 2159}
1970 2160
1971void noinline 2161void noinline
1972ev_timer_start (EV_P_ ev_timer *w) 2162ev_timer_start (EV_P_ ev_timer *w)
1973{ 2163{
… …
1976 2166
1977 ev_at (w) += mn_now; 2167 ev_at (w) += mn_now;
1978 2168
1979 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 2169 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1980 2170
2171 EV_FREQUENT_CHECK;
2172
2173 ++timercnt;
1981 ev_start (EV_A_ (W)w, ++timercnt + HEAP0 - 1); 2174 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
1982 array_needsize (WT, timers, timermax, timercnt + HEAP0, EMPTY2); 2175 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);
1983 timers [ev_active (w)] = (WT)w; 2176 ANHE_w (timers [ev_active (w)]) = (WT)w;
2177 ANHE_at_cache (timers [ev_active (w)]);
1984 upheap (timers, ev_active (w)); 2178 upheap (timers, ev_active (w));
1985 2179
2180 EV_FREQUENT_CHECK;
2181
1986 /*assert (("internal timer heap corruption", timers [ev_active (w)] == w));*/ 2182 /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
1987} 2183}
1988 2184
1989void noinline 2185void noinline
1990ev_timer_stop (EV_P_ ev_timer *w) 2186ev_timer_stop (EV_P_ ev_timer *w)
1991{ 2187{
1992 clear_pending (EV_A_ (W)w); 2188 clear_pending (EV_A_ (W)w);
1993 if (expect_false (!ev_is_active (w))) 2189 if (expect_false (!ev_is_active (w)))
1994 return; 2190 return;
1995 2191
2192 EV_FREQUENT_CHECK;
2193
1996 { 2194 {
1997 int active = ev_active (w); 2195 int active = ev_active (w);
1998 2196
1999 assert (("internal timer heap corruption", timers [active] == (WT)w)); 2197 assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
2000 2198
2199 --timercnt;
2200
2001 if (expect_true (active < timercnt + HEAP0 - 1)) 2201 if (expect_true (active < timercnt + HEAP0))
2002 { 2202 {
2003 timers [active] = timers [timercnt + HEAP0 - 1]; 2203 timers [active] = timers [timercnt + HEAP0];
2004 adjustheap (timers, timercnt, active); 2204 adjustheap (timers, timercnt, active);
2005 } 2205 }
2006
2007 --timercnt;
2008 } 2206 }
2207
2208 EV_FREQUENT_CHECK;
2009 2209
2010 ev_at (w) -= mn_now; 2210 ev_at (w) -= mn_now;
2011 2211
2012 ev_stop (EV_A_ (W)w); 2212 ev_stop (EV_A_ (W)w);
2013} 2213}
2014 2214
2015void noinline 2215void noinline
2016ev_timer_again (EV_P_ ev_timer *w) 2216ev_timer_again (EV_P_ ev_timer *w)
2017{ 2217{
2218 EV_FREQUENT_CHECK;
2219
2018 if (ev_is_active (w)) 2220 if (ev_is_active (w))
2019 { 2221 {
2020 if (w->repeat) 2222 if (w->repeat)
2021 { 2223 {
2022 ev_at (w) = mn_now + w->repeat; 2224 ev_at (w) = mn_now + w->repeat;
2225 ANHE_at_cache (timers [ev_active (w)]);
2023 adjustheap (timers, timercnt, ev_active (w)); 2226 adjustheap (timers, timercnt, ev_active (w));
2024 } 2227 }
2025 else 2228 else
2026 ev_timer_stop (EV_A_ w); 2229 ev_timer_stop (EV_A_ w);
2027 } 2230 }
2028 else if (w->repeat) 2231 else if (w->repeat)
2029 { 2232 {
2030 ev_at (w) = w->repeat; 2233 ev_at (w) = w->repeat;
2031 ev_timer_start (EV_A_ w); 2234 ev_timer_start (EV_A_ w);
2032 } 2235 }
2236
2237 EV_FREQUENT_CHECK;
2033} 2238}
2034 2239
2035#if EV_PERIODIC_ENABLE 2240#if EV_PERIODIC_ENABLE
2036void noinline 2241void noinline
2037ev_periodic_start (EV_P_ ev_periodic *w) 2242ev_periodic_start (EV_P_ ev_periodic *w)
… …
2048 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2253 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2049 } 2254 }
2050 else 2255 else
2051 ev_at (w) = w->offset; 2256 ev_at (w) = w->offset;
2052 2257
2258 EV_FREQUENT_CHECK;
2259
2260 ++periodiccnt;
2053 ev_start (EV_A_ (W)w, ++periodiccnt + HEAP0 - 1); 2261 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
2054 array_needsize (WT, periodics, periodicmax, periodiccnt + HEAP0, EMPTY2); 2262 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);
2055 periodics [ev_active (w)] = (WT)w; 2263 ANHE_w (periodics [ev_active (w)]) = (WT)w;
2264 ANHE_at_cache (periodics [ev_active (w)]);
2056 upheap (periodics, ev_active (w)); 2265 upheap (periodics, ev_active (w));
2057 2266
2267 EV_FREQUENT_CHECK;
2268
2058 /*assert (("internal periodic heap corruption", periodics [ev_active (w)] == w));*/ 2269 /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
2059} 2270}
2060 2271
2061void noinline 2272void noinline
2062ev_periodic_stop (EV_P_ ev_periodic *w) 2273ev_periodic_stop (EV_P_ ev_periodic *w)
2063{ 2274{
2064 clear_pending (EV_A_ (W)w); 2275 clear_pending (EV_A_ (W)w);
2065 if (expect_false (!ev_is_active (w))) 2276 if (expect_false (!ev_is_active (w)))
2066 return; 2277 return;
2067 2278
2279 EV_FREQUENT_CHECK;
2280
2068 { 2281 {
2069 int active = ev_active (w); 2282 int active = ev_active (w);
2070 2283
2071 assert (("internal periodic heap corruption", periodics [active] == (WT)w)); 2284 assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
2072 2285
2286 --periodiccnt;
2287
2073 if (expect_true (active < periodiccnt + HEAP0 - 1)) 2288 if (expect_true (active < periodiccnt + HEAP0))
2074 { 2289 {
2075 periodics [active] = periodics [periodiccnt + HEAP0 - 1]; 2290 periodics [active] = periodics [periodiccnt + HEAP0];
2076 adjustheap (periodics, periodiccnt, active); 2291 adjustheap (periodics, periodiccnt, active);
2077 } 2292 }
2078
2079 --periodiccnt;
2080 } 2293 }
2294
2295 EV_FREQUENT_CHECK;
2081 2296
2082 ev_stop (EV_A_ (W)w); 2297 ev_stop (EV_A_ (W)w);
2083} 2298}
2084 2299
2085void noinline 2300void noinline
… …
2105 return; 2320 return;
2106 2321
2107 assert (("ev_signal_start called with illegal signal number", w->signum > 0)); 2322 assert (("ev_signal_start called with illegal signal number", w->signum > 0));
2108 2323
2109 evpipe_init (EV_A); 2324 evpipe_init (EV_A);
2325
2326 EV_FREQUENT_CHECK;
2110 2327
2111 { 2328 {
2112#ifndef _WIN32 2329#ifndef _WIN32
2113 sigset_t full, prev; 2330 sigset_t full, prev;
2114 sigfillset (&full); 2331 sigfillset (&full);
… …
2135 sigfillset (&sa.sa_mask); 2352 sigfillset (&sa.sa_mask);
2136 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ 2353 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2137 sigaction (w->signum, &sa, 0); 2354 sigaction (w->signum, &sa, 0);
2138#endif 2355#endif
2139 } 2356 }
2357
2358 EV_FREQUENT_CHECK;
2140} 2359}
2141 2360
2142void noinline 2361void noinline
2143ev_signal_stop (EV_P_ ev_signal *w) 2362ev_signal_stop (EV_P_ ev_signal *w)
2144{ 2363{
2145 clear_pending (EV_A_ (W)w); 2364 clear_pending (EV_A_ (W)w);
2146 if (expect_false (!ev_is_active (w))) 2365 if (expect_false (!ev_is_active (w)))
2147 return; 2366 return;
2148 2367
2368 EV_FREQUENT_CHECK;
2369
2149 wlist_del (&signals [w->signum - 1].head, (WL)w); 2370 wlist_del (&signals [w->signum - 1].head, (WL)w);
2150 ev_stop (EV_A_ (W)w); 2371 ev_stop (EV_A_ (W)w);
2151 2372
2152 if (!signals [w->signum - 1].head) 2373 if (!signals [w->signum - 1].head)
2153 signal (w->signum, SIG_DFL); 2374 signal (w->signum, SIG_DFL);
2375
2376 EV_FREQUENT_CHECK;
2154} 2377}
2155 2378
2156void 2379void
2157ev_child_start (EV_P_ ev_child *w) 2380ev_child_start (EV_P_ ev_child *w)
2158{ 2381{
… …
2160 assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 2383 assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2161#endif 2384#endif
2162 if (expect_false (ev_is_active (w))) 2385 if (expect_false (ev_is_active (w)))
2163 return; 2386 return;
2164 2387
2388 EV_FREQUENT_CHECK;
2389
2165 ev_start (EV_A_ (W)w, 1); 2390 ev_start (EV_A_ (W)w, 1);
2166 wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2391 wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
2392
2393 EV_FREQUENT_CHECK;
2167} 2394}
2168 2395
2169void 2396void
2170ev_child_stop (EV_P_ ev_child *w) 2397ev_child_stop (EV_P_ ev_child *w)
2171{ 2398{
2172 clear_pending (EV_A_ (W)w); 2399 clear_pending (EV_A_ (W)w);
2173 if (expect_false (!ev_is_active (w))) 2400 if (expect_false (!ev_is_active (w)))
2174 return; 2401 return;
2175 2402
2403 EV_FREQUENT_CHECK;
2404
2176 wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2405 wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
2177 ev_stop (EV_A_ (W)w); 2406 ev_stop (EV_A_ (W)w);
2407
2408 EV_FREQUENT_CHECK;
2178} 2409}
2179 2410
2180#if EV_STAT_ENABLE 2411#if EV_STAT_ENABLE
2181 2412
2182# ifdef _WIN32 2413# ifdef _WIN32
… …
2337 } 2568 }
2338 2569
2339 } 2570 }
2340} 2571}
2341 2572
2573#endif
2574
2575#ifdef _WIN32
2576# define EV_LSTAT(p,b) _stati64 (p, b)
2577#else
2578# define EV_LSTAT(p,b) lstat (p, b)
2342#endif 2579#endif
2343 2580
2344void 2581void
2345ev_stat_stat (EV_P_ ev_stat *w) 2582ev_stat_stat (EV_P_ ev_stat *w)
2346{ 2583{
… …
2410 else 2647 else
2411#endif 2648#endif
2412 ev_timer_start (EV_A_ &w->timer); 2649 ev_timer_start (EV_A_ &w->timer);
2413 2650
2414 ev_start (EV_A_ (W)w, 1); 2651 ev_start (EV_A_ (W)w, 1);
2652
2653 EV_FREQUENT_CHECK;
2415} 2654}
2416 2655
2417void 2656void
2418ev_stat_stop (EV_P_ ev_stat *w) 2657ev_stat_stop (EV_P_ ev_stat *w)
2419{ 2658{
2420 clear_pending (EV_A_ (W)w); 2659 clear_pending (EV_A_ (W)w);
2421 if (expect_false (!ev_is_active (w))) 2660 if (expect_false (!ev_is_active (w)))
2422 return; 2661 return;
2423 2662
2663 EV_FREQUENT_CHECK;
2664
2424#if EV_USE_INOTIFY 2665#if EV_USE_INOTIFY
2425 infy_del (EV_A_ w); 2666 infy_del (EV_A_ w);
2426#endif 2667#endif
2427 ev_timer_stop (EV_A_ &w->timer); 2668 ev_timer_stop (EV_A_ &w->timer);
2428 2669
2429 ev_stop (EV_A_ (W)w); 2670 ev_stop (EV_A_ (W)w);
2671
2672 EV_FREQUENT_CHECK;
2430} 2673}
2431#endif 2674#endif
2432 2675
2433#if EV_IDLE_ENABLE 2676#if EV_IDLE_ENABLE
2434void 2677void
… …
2436{ 2679{
2437 if (expect_false (ev_is_active (w))) 2680 if (expect_false (ev_is_active (w)))
2438 return; 2681 return;
2439 2682
2440 pri_adjust (EV_A_ (W)w); 2683 pri_adjust (EV_A_ (W)w);
2684
2685 EV_FREQUENT_CHECK;
2441 2686
2442 { 2687 {
2443 int active = ++idlecnt [ABSPRI (w)]; 2688 int active = ++idlecnt [ABSPRI (w)];
2444 2689
2445 ++idleall; 2690 ++idleall;
2446 ev_start (EV_A_ (W)w, active); 2691 ev_start (EV_A_ (W)w, active);
2447 2692
2448 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); 2693 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);
2449 idles [ABSPRI (w)][active - 1] = w; 2694 idles [ABSPRI (w)][active - 1] = w;
2450 } 2695 }
2696
2697 EV_FREQUENT_CHECK;
2451} 2698}
2452 2699
2453void 2700void
2454ev_idle_stop (EV_P_ ev_idle *w) 2701ev_idle_stop (EV_P_ ev_idle *w)
2455{ 2702{
2456 clear_pending (EV_A_ (W)w); 2703 clear_pending (EV_A_ (W)w);
2457 if (expect_false (!ev_is_active (w))) 2704 if (expect_false (!ev_is_active (w)))
2458 return; 2705 return;
2459 2706
2707 EV_FREQUENT_CHECK;
2708
2460 { 2709 {
2461 int active = ev_active (w); 2710 int active = ev_active (w);
2462 2711
2463 idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; 2712 idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
2464 ev_active (idles [ABSPRI (w)][active - 1]) = active; 2713 ev_active (idles [ABSPRI (w)][active - 1]) = active;
2465 2714
2466 ev_stop (EV_A_ (W)w); 2715 ev_stop (EV_A_ (W)w);
2467 --idleall; 2716 --idleall;
2468 } 2717 }
2718
2719 EV_FREQUENT_CHECK;
2469} 2720}
2470#endif 2721#endif
2471 2722
2472void 2723void
2473ev_prepare_start (EV_P_ ev_prepare *w) 2724ev_prepare_start (EV_P_ ev_prepare *w)
2474{ 2725{
2475 if (expect_false (ev_is_active (w))) 2726 if (expect_false (ev_is_active (w)))
2476 return; 2727 return;
2728
2729 EV_FREQUENT_CHECK;
2477 2730
2478 ev_start (EV_A_ (W)w, ++preparecnt); 2731 ev_start (EV_A_ (W)w, ++preparecnt);
2479 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); 2732 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
2480 prepares [preparecnt - 1] = w; 2733 prepares [preparecnt - 1] = w;
2734
2735 EV_FREQUENT_CHECK;
2481} 2736}
2482 2737
2483void 2738void
2484ev_prepare_stop (EV_P_ ev_prepare *w) 2739ev_prepare_stop (EV_P_ ev_prepare *w)
2485{ 2740{
2486 clear_pending (EV_A_ (W)w); 2741 clear_pending (EV_A_ (W)w);
2487 if (expect_false (!ev_is_active (w))) 2742 if (expect_false (!ev_is_active (w)))
2488 return; 2743 return;
2489 2744
2745 EV_FREQUENT_CHECK;
2746
2490 { 2747 {
2491 int active = ev_active (w); 2748 int active = ev_active (w);
2492 2749
2493 prepares [active - 1] = prepares [--preparecnt]; 2750 prepares [active - 1] = prepares [--preparecnt];
2494 ev_active (prepares [active - 1]) = active; 2751 ev_active (prepares [active - 1]) = active;
2495 } 2752 }
2496 2753
2497 ev_stop (EV_A_ (W)w); 2754 ev_stop (EV_A_ (W)w);
2755
2756 EV_FREQUENT_CHECK;
2498} 2757}
2499 2758
2500void 2759void
2501ev_check_start (EV_P_ ev_check *w) 2760ev_check_start (EV_P_ ev_check *w)
2502{ 2761{
2503 if (expect_false (ev_is_active (w))) 2762 if (expect_false (ev_is_active (w)))
2504 return; 2763 return;
2764
2765 EV_FREQUENT_CHECK;
2505 2766
2506 ev_start (EV_A_ (W)w, ++checkcnt); 2767 ev_start (EV_A_ (W)w, ++checkcnt);
2507 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); 2768 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
2508 checks [checkcnt - 1] = w; 2769 checks [checkcnt - 1] = w;
2770
2771 EV_FREQUENT_CHECK;
2509} 2772}
2510 2773
2511void 2774void
2512ev_check_stop (EV_P_ ev_check *w) 2775ev_check_stop (EV_P_ ev_check *w)
2513{ 2776{
2514 clear_pending (EV_A_ (W)w); 2777 clear_pending (EV_A_ (W)w);
2515 if (expect_false (!ev_is_active (w))) 2778 if (expect_false (!ev_is_active (w)))
2516 return; 2779 return;
2517 2780
2781 EV_FREQUENT_CHECK;
2782
2518 { 2783 {
2519 int active = ev_active (w); 2784 int active = ev_active (w);
2520 2785
2521 checks [active - 1] = checks [--checkcnt]; 2786 checks [active - 1] = checks [--checkcnt];
2522 ev_active (checks [active - 1]) = active; 2787 ev_active (checks [active - 1]) = active;
2523 } 2788 }
2524 2789
2525 ev_stop (EV_A_ (W)w); 2790 ev_stop (EV_A_ (W)w);
2791
2792 EV_FREQUENT_CHECK;
2526} 2793}
2527 2794
2528#if EV_EMBED_ENABLE 2795#if EV_EMBED_ENABLE
2529void noinline 2796void noinline
2530ev_embed_sweep (EV_P_ ev_embed *w) 2797ev_embed_sweep (EV_P_ ev_embed *w)
… …
2577 struct ev_loop *loop = w->other; 2844 struct ev_loop *loop = w->other;
2578 assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); 2845 assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2579 ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); 2846 ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2580 } 2847 }
2581 2848
2849 EV_FREQUENT_CHECK;
2850
2582 ev_set_priority (&w->io, ev_priority (w)); 2851 ev_set_priority (&w->io, ev_priority (w));
2583 ev_io_start (EV_A_ &w->io); 2852 ev_io_start (EV_A_ &w->io);
2584 2853
2585 ev_prepare_init (&w->prepare, embed_prepare_cb); 2854 ev_prepare_init (&w->prepare, embed_prepare_cb);
2586 ev_set_priority (&w->prepare, EV_MINPRI); 2855 ev_set_priority (&w->prepare, EV_MINPRI);
2587 ev_prepare_start (EV_A_ &w->prepare); 2856 ev_prepare_start (EV_A_ &w->prepare);
2588 2857
2589 /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ 2858 /*ev_idle_init (&w->idle, e,bed_idle_cb);*/
2590 2859
2591 ev_start (EV_A_ (W)w, 1); 2860 ev_start (EV_A_ (W)w, 1);
2861
2862 EV_FREQUENT_CHECK;
2592} 2863}
2593 2864
2594void 2865void
2595ev_embed_stop (EV_P_ ev_embed *w) 2866ev_embed_stop (EV_P_ ev_embed *w)
2596{ 2867{
2597 clear_pending (EV_A_ (W)w); 2868 clear_pending (EV_A_ (W)w);
2598 if (expect_false (!ev_is_active (w))) 2869 if (expect_false (!ev_is_active (w)))
2599 return; 2870 return;
2600 2871
2872 EV_FREQUENT_CHECK;
2873
2601 ev_io_stop (EV_A_ &w->io); 2874 ev_io_stop (EV_A_ &w->io);
2602 ev_prepare_stop (EV_A_ &w->prepare); 2875 ev_prepare_stop (EV_A_ &w->prepare);
2603 2876
2604 ev_stop (EV_A_ (W)w); 2877 ev_stop (EV_A_ (W)w);
2878
2879 EV_FREQUENT_CHECK;
2605} 2880}
2606#endif 2881#endif
2607 2882
2608#if EV_FORK_ENABLE 2883#if EV_FORK_ENABLE
2609void 2884void
2610ev_fork_start (EV_P_ ev_fork *w) 2885ev_fork_start (EV_P_ ev_fork *w)
2611{ 2886{
2612 if (expect_false (ev_is_active (w))) 2887 if (expect_false (ev_is_active (w)))
2613 return; 2888 return;
2889
2890 EV_FREQUENT_CHECK;
2614 2891
2615 ev_start (EV_A_ (W)w, ++forkcnt); 2892 ev_start (EV_A_ (W)w, ++forkcnt);
2616 array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); 2893 array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);
2617 forks [forkcnt - 1] = w; 2894 forks [forkcnt - 1] = w;
2895
2896 EV_FREQUENT_CHECK;
2618} 2897}
2619 2898
2620void 2899void
2621ev_fork_stop (EV_P_ ev_fork *w) 2900ev_fork_stop (EV_P_ ev_fork *w)
2622{ 2901{
2623 clear_pending (EV_A_ (W)w); 2902 clear_pending (EV_A_ (W)w);
2624 if (expect_false (!ev_is_active (w))) 2903 if (expect_false (!ev_is_active (w)))
2625 return; 2904 return;
2626 2905
2906 EV_FREQUENT_CHECK;
2907
2627 { 2908 {
2628 int active = ev_active (w); 2909 int active = ev_active (w);
2629 2910
2630 forks [active - 1] = forks [--forkcnt]; 2911 forks [active - 1] = forks [--forkcnt];
2631 ev_active (forks [active - 1]) = active; 2912 ev_active (forks [active - 1]) = active;
2632 } 2913 }
2633 2914
2634 ev_stop (EV_A_ (W)w); 2915 ev_stop (EV_A_ (W)w);
2916
2917 EV_FREQUENT_CHECK;
2635} 2918}
2636#endif 2919#endif
2637 2920
2638#if EV_ASYNC_ENABLE 2921#if EV_ASYNC_ENABLE
2639void 2922void
… …
2641{ 2924{
2642 if (expect_false (ev_is_active (w))) 2925 if (expect_false (ev_is_active (w)))
2643 return; 2926 return;
2644 2927
2645 evpipe_init (EV_A); 2928 evpipe_init (EV_A);
2929
2930 EV_FREQUENT_CHECK;
2646 2931
2647 ev_start (EV_A_ (W)w, ++asynccnt); 2932 ev_start (EV_A_ (W)w, ++asynccnt);
2648 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); 2933 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);
2649 asyncs [asynccnt - 1] = w; 2934 asyncs [asynccnt - 1] = w;
2935
2936 EV_FREQUENT_CHECK;
2650} 2937}
2651 2938
2652void 2939void
2653ev_async_stop (EV_P_ ev_async *w) 2940ev_async_stop (EV_P_ ev_async *w)
2654{ 2941{
2655 clear_pending (EV_A_ (W)w); 2942 clear_pending (EV_A_ (W)w);
2656 if (expect_false (!ev_is_active (w))) 2943 if (expect_false (!ev_is_active (w)))
2657 return; 2944 return;
2658 2945
2946 EV_FREQUENT_CHECK;
2947
2659 { 2948 {
2660 int active = ev_active (w); 2949 int active = ev_active (w);
2661 2950
2662 asyncs [active - 1] = asyncs [--asynccnt]; 2951 asyncs [active - 1] = asyncs [--asynccnt];
2663 ev_active (asyncs [active - 1]) = active; 2952 ev_active (asyncs [active - 1]) = active;
2664 } 2953 }
2665 2954
2666 ev_stop (EV_A_ (W)w); 2955 ev_stop (EV_A_ (W)w);
2956
2957 EV_FREQUENT_CHECK;
2667} 2958}
2668 2959
2669void 2960void
2670ev_async_send (EV_P_ ev_async *w) 2961ev_async_send (EV_P_ ev_async *w)
2671{ 2962{

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