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Comparing libev/ev.c (file contents):
Revision 1.224 by root, Wed Apr 9 22:07:50 2008 UTC vs.
Revision 1.252 by root, Thu May 22 03:43:32 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>
… …
235# else 235# else
236# define EV_USE_EVENTFD 0 236# define EV_USE_EVENTFD 0
237# endif 237# endif
238#endif 238#endif
239 239
240#if 0 /* debugging */
241# define EV_VERIFY 3
242# define EV_USE_4HEAP 1
243# define EV_HEAP_CACHE_AT 1
244#endif
245
246#ifndef EV_VERIFY
247# define EV_VERIFY !EV_MINIMAL
248#endif
249
250#ifndef EV_USE_4HEAP
251# define EV_USE_4HEAP !EV_MINIMAL
252#endif
253
254#ifndef EV_HEAP_CACHE_AT
255# define EV_HEAP_CACHE_AT !EV_MINIMAL
256#endif
257
240/* this block fixes any misconfiguration where we know we run into trouble otherwise */ 258/* this block fixes any misconfiguration where we know we run into trouble otherwise */
241 259
242#ifndef CLOCK_MONOTONIC 260#ifndef CLOCK_MONOTONIC
243# undef EV_USE_MONOTONIC 261# undef EV_USE_MONOTONIC
244# define EV_USE_MONOTONIC 0 262# define EV_USE_MONOTONIC 0
… …
279} 297}
280# endif 298# endif
281#endif 299#endif
282 300
283/**/ 301/**/
302
303#if EV_VERIFY >= 3
304# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)
305#else
306# define EV_FREQUENT_CHECK do { } while (0)
307#endif
284 308
285/* 309/*
286 * This is used to avoid floating point rounding problems. 310 * This is used to avoid floating point rounding problems.
287 * It is added to ev_rt_now when scheduling periodics 311 * It is added to ev_rt_now when scheduling periodics
288 * to ensure progress, time-wise, even when rounding 312 * to ensure progress, time-wise, even when rounding
… …
325 349
326typedef ev_watcher *W; 350typedef ev_watcher *W;
327typedef ev_watcher_list *WL; 351typedef ev_watcher_list *WL;
328typedef ev_watcher_time *WT; 352typedef ev_watcher_time *WT;
329 353
354#define ev_active(w) ((W)(w))->active
355#define ev_at(w) ((WT)(w))->at
356
330#if EV_USE_MONOTONIC 357#if EV_USE_MONOTONIC
331/* sig_atomic_t is used to avoid per-thread variables or locking but still */ 358/* sig_atomic_t is used to avoid per-thread variables or locking but still */
332/* giving it a reasonably high chance of working on typical architetcures */ 359/* giving it a reasonably high chance of working on typical architetcures */
333static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 360static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
334#endif 361#endif
… …
419 W w; 446 W w;
420 int events; 447 int events;
421} ANPENDING; 448} ANPENDING;
422 449
423#if EV_USE_INOTIFY 450#if EV_USE_INOTIFY
451/* hash table entry per inotify-id */
424typedef struct 452typedef struct
425{ 453{
426 WL head; 454 WL head;
427} ANFS; 455} ANFS;
456#endif
457
458/* Heap Entry */
459#if EV_HEAP_CACHE_AT
460 typedef struct {
461 ev_tstamp at;
462 WT w;
463 } ANHE;
464
465 #define ANHE_w(he) (he).w /* access watcher, read-write */
466 #define ANHE_at(he) (he).at /* access cached at, read-only */
467 #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */
468#else
469 typedef WT ANHE;
470
471 #define ANHE_w(he) (he)
472 #define ANHE_at(he) (he)->at
473 #define ANHE_at_cache(he)
428#endif 474#endif
429 475
430#if EV_MULTIPLICITY 476#if EV_MULTIPLICITY
431 477
432 struct ev_loop 478 struct ev_loop
… …
517 } 563 }
518} 564}
519 565
520/*****************************************************************************/ 566/*****************************************************************************/
521 567
568#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
569
522int inline_size 570int inline_size
523array_nextsize (int elem, int cur, int cnt) 571array_nextsize (int elem, int cur, int cnt)
524{ 572{
525 int ncur = cur + 1; 573 int ncur = cur + 1;
526 574
527 do 575 do
528 ncur <<= 1; 576 ncur <<= 1;
529 while (cnt > ncur); 577 while (cnt > ncur);
530 578
531 /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ 579 /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */
532 if (elem * ncur > 4096) 580 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
533 { 581 {
534 ncur *= elem; 582 ncur *= elem;
535 ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; 583 ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
536 ncur = ncur - sizeof (void *) * 4; 584 ncur = ncur - sizeof (void *) * 4;
537 ncur /= elem; 585 ncur /= elem;
538 } 586 }
539 587
540 return ncur; 588 return ncur;
… …
754 } 802 }
755} 803}
756 804
757/*****************************************************************************/ 805/*****************************************************************************/
758 806
807/*
808 * the heap functions want a real array index. array index 0 uis guaranteed to not
809 * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
810 * the branching factor of the d-tree.
811 */
812
813/*
814 * at the moment we allow libev the luxury of two heaps,
815 * a small-code-size 2-heap one and a ~1.5kb larger 4-heap
816 * which is more cache-efficient.
817 * the difference is about 5% with 50000+ watchers.
818 */
819#if EV_USE_4HEAP
820
821#define DHEAP 4
822#define HEAP0 (DHEAP - 1) /* index of first element in heap */
823#define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0)
824#define UPHEAP_DONE(p,k) ((p) == (k))
825
826/* away from the root */
759void inline_speed 827void inline_speed
760upheap (WT *heap, int k) 828downheap (ANHE *heap, int N, int k)
761{ 829{
762 WT w = heap [k]; 830 ANHE he = heap [k];
831 ANHE *E = heap + N + HEAP0;
763 832
764 while (k) 833 for (;;)
765 { 834 {
766 int p = (k - 1) >> 1; 835 ev_tstamp minat;
836 ANHE *minpos;
837 ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
767 838
768 if (heap [p]->at <= w->at) 839 /* find minimum child */
840 if (expect_true (pos + DHEAP - 1 < E))
841 {
842 /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
843 if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
844 if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
845 if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
846 }
847 else if (pos < E)
848 {
849 /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
850 if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
851 if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
852 if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
853 }
854 else
769 break; 855 break;
770 856
857 if (ANHE_at (he) <= minat)
858 break;
859
860 heap [k] = *minpos;
861 ev_active (ANHE_w (*minpos)) = k;
862
863 k = minpos - heap;
864 }
865
866 heap [k] = he;
867 ev_active (ANHE_w (he)) = k;
868}
869
870#else /* 4HEAP */
871
872#define HEAP0 1
873#define HPARENT(k) ((k) >> 1)
874#define UPHEAP_DONE(p,k) (!(p))
875
876/* away from the root */
877void inline_speed
878downheap (ANHE *heap, int N, int k)
879{
880 ANHE he = heap [k];
881
882 for (;;)
883 {
884 int c = k << 1;
885
886 if (c > N + HEAP0 - 1)
887 break;
888
889 c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])
890 ? 1 : 0;
891
892 if (ANHE_at (he) <= ANHE_at (heap [c]))
893 break;
894
895 heap [k] = heap [c];
896 ev_active (ANHE_w (heap [k])) = k;
897
898 k = c;
899 }
900
901 heap [k] = he;
902 ev_active (ANHE_w (he)) = k;
903}
904#endif
905
906/* towards the root */
907void inline_speed
908upheap (ANHE *heap, int k)
909{
910 ANHE he = heap [k];
911
912 for (;;)
913 {
914 int p = HPARENT (k);
915
916 if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he))
917 break;
918
771 heap [k] = heap [p]; 919 heap [k] = heap [p];
772 ((W)heap [k])->active = k + 1; 920 ev_active (ANHE_w (heap [k])) = k;
773 k = p; 921 k = p;
774 } 922 }
775 923
776 heap [k] = w; 924 heap [k] = he;
777 ((W)heap [k])->active = k + 1; 925 ev_active (ANHE_w (he)) = k;
778}
779
780void inline_speed
781downheap (WT *heap, int N, int k)
782{
783 WT w = heap [k];
784
785 for (;;)
786 {
787 int c = (k << 1) + 1;
788
789 if (c >= N)
790 break;
791
792 c += c + 1 < N && heap [c]->at > heap [c + 1]->at
793 ? 1 : 0;
794
795 if (w->at <= heap [c]->at)
796 break;
797
798 heap [k] = heap [c];
799 ((W)heap [k])->active = k + 1;
800
801 k = c;
802 }
803
804 heap [k] = w;
805 ((W)heap [k])->active = k + 1;
806} 926}
807 927
808void inline_size 928void inline_size
809adjustheap (WT *heap, int N, int k) 929adjustheap (ANHE *heap, int N, int k)
810{ 930{
931 if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))
811 upheap (heap, k); 932 upheap (heap, k);
933 else
812 downheap (heap, N, k); 934 downheap (heap, N, k);
935}
936
937/* rebuild the heap: this function is used only once and executed rarely */
938void inline_size
939reheap (ANHE *heap, int N)
940{
941 int i;
942
943 /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */
944 /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */
945 for (i = 0; i < N; ++i)
946 upheap (heap, i + HEAP0);
813} 947}
814 948
815/*****************************************************************************/ 949/*****************************************************************************/
816 950
817typedef struct 951typedef struct
… …
906pipecb (EV_P_ ev_io *iow, int revents) 1040pipecb (EV_P_ ev_io *iow, int revents)
907{ 1041{
908#if EV_USE_EVENTFD 1042#if EV_USE_EVENTFD
909 if (evfd >= 0) 1043 if (evfd >= 0)
910 { 1044 {
911 uint64_t counter = 1; 1045 uint64_t counter;
912 read (evfd, &counter, sizeof (uint64_t)); 1046 read (evfd, &counter, sizeof (uint64_t));
913 } 1047 }
914 else 1048 else
915#endif 1049#endif
916 { 1050 {
… …
1185 if (!(flags & EVFLAG_NOENV) 1319 if (!(flags & EVFLAG_NOENV)
1186 && !enable_secure () 1320 && !enable_secure ()
1187 && getenv ("LIBEV_FLAGS")) 1321 && getenv ("LIBEV_FLAGS"))
1188 flags = atoi (getenv ("LIBEV_FLAGS")); 1322 flags = atoi (getenv ("LIBEV_FLAGS"));
1189 1323
1190 if (!(flags & 0x0000ffffUL)) 1324 if (!(flags & 0x0000ffffU))
1191 flags |= ev_recommended_backends (); 1325 flags |= ev_recommended_backends ();
1192 1326
1193#if EV_USE_PORT 1327#if EV_USE_PORT
1194 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 1328 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1195#endif 1329#endif
… …
1283#endif 1417#endif
1284 1418
1285 backend = 0; 1419 backend = 0;
1286} 1420}
1287 1421
1422#if EV_USE_INOTIFY
1288void inline_size infy_fork (EV_P); 1423void inline_size infy_fork (EV_P);
1424#endif
1289 1425
1290void inline_size 1426void inline_size
1291loop_fork (EV_P) 1427loop_fork (EV_P)
1292{ 1428{
1293#if EV_USE_PORT 1429#if EV_USE_PORT
… …
1333 1469
1334 postfork = 0; 1470 postfork = 0;
1335} 1471}
1336 1472
1337#if EV_MULTIPLICITY 1473#if EV_MULTIPLICITY
1474
1338struct ev_loop * 1475struct ev_loop *
1339ev_loop_new (unsigned int flags) 1476ev_loop_new (unsigned int flags)
1340{ 1477{
1341 struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 1478 struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
1342 1479
… …
1361ev_loop_fork (EV_P) 1498ev_loop_fork (EV_P)
1362{ 1499{
1363 postfork = 1; /* must be in line with ev_default_fork */ 1500 postfork = 1; /* must be in line with ev_default_fork */
1364} 1501}
1365 1502
1503#if EV_VERIFY
1504void noinline
1505verify_watcher (EV_P_ W w)
1506{
1507 assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
1508
1509 if (w->pending)
1510 assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
1511}
1512
1513static void noinline
1514verify_heap (EV_P_ ANHE *heap, int N)
1515{
1516 int i;
1517
1518 for (i = HEAP0; i < N + HEAP0; ++i)
1519 {
1520 assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));
1521 assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
1522 assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
1523
1524 verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
1525 }
1526}
1527
1528static void noinline
1529array_verify (EV_P_ W *ws, int cnt)
1530{
1531 while (cnt--)
1532 {
1533 assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1));
1534 verify_watcher (EV_A_ ws [cnt]);
1535 }
1536}
1537#endif
1538
1539void
1540ev_loop_verify (EV_P)
1541{
1542#if EV_VERIFY
1543 int i;
1544 WL w;
1545
1546 assert (activecnt >= -1);
1547
1548 assert (fdchangemax >= fdchangecnt);
1549 for (i = 0; i < fdchangecnt; ++i)
1550 assert (("negative fd in fdchanges", fdchanges [i] >= 0));
1551
1552 assert (anfdmax >= 0);
1553 for (i = 0; i < anfdmax; ++i)
1554 for (w = anfds [i].head; w; w = w->next)
1555 {
1556 verify_watcher (EV_A_ (W)w);
1557 assert (("inactive fd watcher on anfd list", ev_active (w) == 1));
1558 assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
1559 }
1560
1561 assert (timermax >= timercnt);
1562 verify_heap (EV_A_ timers, timercnt);
1563
1564#if EV_PERIODIC_ENABLE
1565 assert (periodicmax >= periodiccnt);
1566 verify_heap (EV_A_ periodics, periodiccnt);
1567#endif
1568
1569 for (i = NUMPRI; i--; )
1570 {
1571 assert (pendingmax [i] >= pendingcnt [i]);
1572#if EV_IDLE_ENABLE
1573 assert (idleall >= 0);
1574 assert (idlemax [i] >= idlecnt [i]);
1575 array_verify (EV_A_ (W *)idles [i], idlecnt [i]);
1576#endif
1577 }
1578
1579#if EV_FORK_ENABLE
1580 assert (forkmax >= forkcnt);
1581 array_verify (EV_A_ (W *)forks, forkcnt);
1582#endif
1583
1584#if EV_ASYNC_ENABLE
1585 assert (asyncmax >= asynccnt);
1586 array_verify (EV_A_ (W *)asyncs, asynccnt);
1587#endif
1588
1589 assert (preparemax >= preparecnt);
1590 array_verify (EV_A_ (W *)prepares, preparecnt);
1591
1592 assert (checkmax >= checkcnt);
1593 array_verify (EV_A_ (W *)checks, checkcnt);
1594
1595# if 0
1596 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)
1597 for (signum = signalmax; signum--; ) if (signals [signum].gotsig)
1366#endif 1598# endif
1599#endif
1600}
1601
1602#endif /* multiplicity */
1367 1603
1368#if EV_MULTIPLICITY 1604#if EV_MULTIPLICITY
1369struct ev_loop * 1605struct ev_loop *
1370ev_default_loop_init (unsigned int flags) 1606ev_default_loop_init (unsigned int flags)
1371#else 1607#else
… …
1447 { 1683 {
1448 /*assert (("non-pending watcher on pending list", p->w->pending));*/ 1684 /*assert (("non-pending watcher on pending list", p->w->pending));*/
1449 1685
1450 p->w->pending = 0; 1686 p->w->pending = 0;
1451 EV_CB_INVOKE (p->w, p->events); 1687 EV_CB_INVOKE (p->w, p->events);
1688 EV_FREQUENT_CHECK;
1452 } 1689 }
1453 } 1690 }
1454} 1691}
1455
1456void inline_size
1457timers_reify (EV_P)
1458{
1459 while (timercnt && ((WT)timers [0])->at <= mn_now)
1460 {
1461 ev_timer *w = (ev_timer *)timers [0];
1462
1463 /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/
1464
1465 /* first reschedule or stop timer */
1466 if (w->repeat)
1467 {
1468 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1469
1470 ((WT)w)->at += w->repeat;
1471 if (((WT)w)->at < mn_now)
1472 ((WT)w)->at = mn_now;
1473
1474 downheap (timers, timercnt, 0);
1475 }
1476 else
1477 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1478
1479 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1480 }
1481}
1482
1483#if EV_PERIODIC_ENABLE
1484void inline_size
1485periodics_reify (EV_P)
1486{
1487 while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1488 {
1489 ev_periodic *w = (ev_periodic *)periodics [0];
1490
1491 /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/
1492
1493 /* first reschedule or stop timer */
1494 if (w->reschedule_cb)
1495 {
1496 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON);
1497 assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1498 downheap (periodics, periodiccnt, 0);
1499 }
1500 else if (w->interval)
1501 {
1502 ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1503 if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval;
1504 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
1505 downheap (periodics, periodiccnt, 0);
1506 }
1507 else
1508 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1509
1510 ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1511 }
1512}
1513
1514static void noinline
1515periodics_reschedule (EV_P)
1516{
1517 int i;
1518
1519 /* adjust periodics after time jump */
1520 for (i = 0; i < periodiccnt; ++i)
1521 {
1522 ev_periodic *w = (ev_periodic *)periodics [i];
1523
1524 if (w->reschedule_cb)
1525 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1526 else if (w->interval)
1527 ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1528 }
1529
1530 /* now rebuild the heap */
1531 for (i = periodiccnt >> 1; i--; )
1532 downheap (periodics, periodiccnt, i);
1533}
1534#endif
1535 1692
1536#if EV_IDLE_ENABLE 1693#if EV_IDLE_ENABLE
1537void inline_size 1694void inline_size
1538idle_reify (EV_P) 1695idle_reify (EV_P)
1539{ 1696{
… …
1551 queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); 1708 queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE);
1552 break; 1709 break;
1553 } 1710 }
1554 } 1711 }
1555 } 1712 }
1713}
1714#endif
1715
1716void inline_size
1717timers_reify (EV_P)
1718{
1719 EV_FREQUENT_CHECK;
1720
1721 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)
1722 {
1723 ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]);
1724
1725 /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/
1726
1727 /* first reschedule or stop timer */
1728 if (w->repeat)
1729 {
1730 ev_at (w) += w->repeat;
1731 if (ev_at (w) < mn_now)
1732 ev_at (w) = mn_now;
1733
1734 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1735
1736 ANHE_at_cache (timers [HEAP0]);
1737 downheap (timers, timercnt, HEAP0);
1738 }
1739 else
1740 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1741
1742 EV_FREQUENT_CHECK;
1743 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1744 }
1745}
1746
1747#if EV_PERIODIC_ENABLE
1748void inline_size
1749periodics_reify (EV_P)
1750{
1751 EV_FREQUENT_CHECK;
1752
1753 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
1754 {
1755 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
1756
1757 /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/
1758
1759 /* first reschedule or stop timer */
1760 if (w->reschedule_cb)
1761 {
1762 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1763
1764 assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));
1765
1766 ANHE_at_cache (periodics [HEAP0]);
1767 downheap (periodics, periodiccnt, HEAP0);
1768 }
1769 else if (w->interval)
1770 {
1771 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1772 /* if next trigger time is not sufficiently in the future, put it there */
1773 /* this might happen because of floating point inexactness */
1774 if (ev_at (w) - ev_rt_now < TIME_EPSILON)
1775 {
1776 ev_at (w) += w->interval;
1777
1778 /* if interval is unreasonably low we might still have a time in the past */
1779 /* so correct this. this will make the periodic very inexact, but the user */
1780 /* has effectively asked to get triggered more often than possible */
1781 if (ev_at (w) < ev_rt_now)
1782 ev_at (w) = ev_rt_now;
1783 }
1784
1785 ANHE_at_cache (periodics [HEAP0]);
1786 downheap (periodics, periodiccnt, HEAP0);
1787 }
1788 else
1789 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1790
1791 EV_FREQUENT_CHECK;
1792 ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1793 }
1794}
1795
1796static void noinline
1797periodics_reschedule (EV_P)
1798{
1799 int i;
1800
1801 /* adjust periodics after time jump */
1802 for (i = HEAP0; i < periodiccnt + HEAP0; ++i)
1803 {
1804 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]);
1805
1806 if (w->reschedule_cb)
1807 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1808 else if (w->interval)
1809 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1810
1811 ANHE_at_cache (periodics [i]);
1812 }
1813
1814 reheap (periodics, periodiccnt);
1556} 1815}
1557#endif 1816#endif
1558 1817
1559void inline_speed 1818void inline_speed
1560time_update (EV_P_ ev_tstamp max_block) 1819time_update (EV_P_ ev_tstamp max_block)
… …
1589 */ 1848 */
1590 for (i = 4; --i; ) 1849 for (i = 4; --i; )
1591 { 1850 {
1592 rtmn_diff = ev_rt_now - mn_now; 1851 rtmn_diff = ev_rt_now - mn_now;
1593 1852
1594 if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) 1853 if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP))
1595 return; /* all is well */ 1854 return; /* all is well */
1596 1855
1597 ev_rt_now = ev_time (); 1856 ev_rt_now = ev_time ();
1598 mn_now = get_clock (); 1857 mn_now = get_clock ();
1599 now_floor = mn_now; 1858 now_floor = mn_now;
… …
1615#if EV_PERIODIC_ENABLE 1874#if EV_PERIODIC_ENABLE
1616 periodics_reschedule (EV_A); 1875 periodics_reschedule (EV_A);
1617#endif 1876#endif
1618 /* adjust timers. this is easy, as the offset is the same for all of them */ 1877 /* adjust timers. this is easy, as the offset is the same for all of them */
1619 for (i = 0; i < timercnt; ++i) 1878 for (i = 0; i < timercnt; ++i)
1879 {
1880 ANHE *he = timers + i + HEAP0;
1620 ((WT)timers [i])->at += ev_rt_now - mn_now; 1881 ANHE_w (*he)->at += ev_rt_now - mn_now;
1882 ANHE_at_cache (*he);
1883 }
1621 } 1884 }
1622 1885
1623 mn_now = ev_rt_now; 1886 mn_now = ev_rt_now;
1624 } 1887 }
1625} 1888}
… …
1645 1908
1646 call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ 1909 call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */
1647 1910
1648 do 1911 do
1649 { 1912 {
1913#if EV_VERIFY >= 2
1914 ev_loop_verify (EV_A);
1915#endif
1916
1650#ifndef _WIN32 1917#ifndef _WIN32
1651 if (expect_false (curpid)) /* penalise the forking check even more */ 1918 if (expect_false (curpid)) /* penalise the forking check even more */
1652 if (expect_false (getpid () != curpid)) 1919 if (expect_false (getpid () != curpid))
1653 { 1920 {
1654 curpid = getpid (); 1921 curpid = getpid ();
… …
1695 1962
1696 waittime = MAX_BLOCKTIME; 1963 waittime = MAX_BLOCKTIME;
1697 1964
1698 if (timercnt) 1965 if (timercnt)
1699 { 1966 {
1700 ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; 1967 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
1701 if (waittime > to) waittime = to; 1968 if (waittime > to) waittime = to;
1702 } 1969 }
1703 1970
1704#if EV_PERIODIC_ENABLE 1971#if EV_PERIODIC_ENABLE
1705 if (periodiccnt) 1972 if (periodiccnt)
1706 { 1973 {
1707 ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; 1974 ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge;
1708 if (waittime > to) waittime = to; 1975 if (waittime > to) waittime = to;
1709 } 1976 }
1710#endif 1977#endif
1711 1978
1712 if (expect_false (waittime < timeout_blocktime)) 1979 if (expect_false (waittime < timeout_blocktime))
… …
1849 if (expect_false (ev_is_active (w))) 2116 if (expect_false (ev_is_active (w)))
1850 return; 2117 return;
1851 2118
1852 assert (("ev_io_start called with negative fd", fd >= 0)); 2119 assert (("ev_io_start called with negative fd", fd >= 0));
1853 2120
2121 EV_FREQUENT_CHECK;
2122
1854 ev_start (EV_A_ (W)w, 1); 2123 ev_start (EV_A_ (W)w, 1);
1855 array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); 2124 array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1856 wlist_add (&anfds[fd].head, (WL)w); 2125 wlist_add (&anfds[fd].head, (WL)w);
1857 2126
1858 fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); 2127 fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);
1859 w->events &= ~EV_IOFDSET; 2128 w->events &= ~EV_IOFDSET;
2129
2130 EV_FREQUENT_CHECK;
1860} 2131}
1861 2132
1862void noinline 2133void noinline
1863ev_io_stop (EV_P_ ev_io *w) 2134ev_io_stop (EV_P_ ev_io *w)
1864{ 2135{
1865 clear_pending (EV_A_ (W)w); 2136 clear_pending (EV_A_ (W)w);
1866 if (expect_false (!ev_is_active (w))) 2137 if (expect_false (!ev_is_active (w)))
1867 return; 2138 return;
1868 2139
1869 assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); 2140 assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
2141
2142 EV_FREQUENT_CHECK;
1870 2143
1871 wlist_del (&anfds[w->fd].head, (WL)w); 2144 wlist_del (&anfds[w->fd].head, (WL)w);
1872 ev_stop (EV_A_ (W)w); 2145 ev_stop (EV_A_ (W)w);
1873 2146
1874 fd_change (EV_A_ w->fd, 1); 2147 fd_change (EV_A_ w->fd, 1);
2148
2149 EV_FREQUENT_CHECK;
1875} 2150}
1876 2151
1877void noinline 2152void noinline
1878ev_timer_start (EV_P_ ev_timer *w) 2153ev_timer_start (EV_P_ ev_timer *w)
1879{ 2154{
1880 if (expect_false (ev_is_active (w))) 2155 if (expect_false (ev_is_active (w)))
1881 return; 2156 return;
1882 2157
1883 ((WT)w)->at += mn_now; 2158 ev_at (w) += mn_now;
1884 2159
1885 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 2160 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1886 2161
2162 EV_FREQUENT_CHECK;
2163
2164 ++timercnt;
1887 ev_start (EV_A_ (W)w, ++timercnt); 2165 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
1888 array_needsize (WT, timers, timermax, timercnt, EMPTY2); 2166 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);
1889 timers [timercnt - 1] = (WT)w; 2167 ANHE_w (timers [ev_active (w)]) = (WT)w;
1890 upheap (timers, timercnt - 1); 2168 ANHE_at_cache (timers [ev_active (w)]);
2169 upheap (timers, ev_active (w));
1891 2170
2171 EV_FREQUENT_CHECK;
2172
1892 /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ 2173 /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
1893} 2174}
1894 2175
1895void noinline 2176void noinline
1896ev_timer_stop (EV_P_ ev_timer *w) 2177ev_timer_stop (EV_P_ ev_timer *w)
1897{ 2178{
1898 clear_pending (EV_A_ (W)w); 2179 clear_pending (EV_A_ (W)w);
1899 if (expect_false (!ev_is_active (w))) 2180 if (expect_false (!ev_is_active (w)))
1900 return; 2181 return;
1901 2182
1902 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); 2183 EV_FREQUENT_CHECK;
1903 2184
1904 { 2185 {
1905 int active = ((W)w)->active; 2186 int active = ev_active (w);
1906 2187
2188 assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
2189
2190 --timercnt;
2191
1907 if (expect_true (--active < --timercnt)) 2192 if (expect_true (active < timercnt + HEAP0))
1908 { 2193 {
1909 timers [active] = timers [timercnt]; 2194 timers [active] = timers [timercnt + HEAP0];
1910 adjustheap (timers, timercnt, active); 2195 adjustheap (timers, timercnt, active);
1911 } 2196 }
1912 } 2197 }
1913 2198
1914 ((WT)w)->at -= mn_now; 2199 EV_FREQUENT_CHECK;
2200
2201 ev_at (w) -= mn_now;
1915 2202
1916 ev_stop (EV_A_ (W)w); 2203 ev_stop (EV_A_ (W)w);
1917} 2204}
1918 2205
1919void noinline 2206void noinline
1920ev_timer_again (EV_P_ ev_timer *w) 2207ev_timer_again (EV_P_ ev_timer *w)
1921{ 2208{
2209 EV_FREQUENT_CHECK;
2210
1922 if (ev_is_active (w)) 2211 if (ev_is_active (w))
1923 { 2212 {
1924 if (w->repeat) 2213 if (w->repeat)
1925 { 2214 {
1926 ((WT)w)->at = mn_now + w->repeat; 2215 ev_at (w) = mn_now + w->repeat;
2216 ANHE_at_cache (timers [ev_active (w)]);
1927 adjustheap (timers, timercnt, ((W)w)->active - 1); 2217 adjustheap (timers, timercnt, ev_active (w));
1928 } 2218 }
1929 else 2219 else
1930 ev_timer_stop (EV_A_ w); 2220 ev_timer_stop (EV_A_ w);
1931 } 2221 }
1932 else if (w->repeat) 2222 else if (w->repeat)
1933 { 2223 {
1934 w->at = w->repeat; 2224 ev_at (w) = w->repeat;
1935 ev_timer_start (EV_A_ w); 2225 ev_timer_start (EV_A_ w);
1936 } 2226 }
2227
2228 EV_FREQUENT_CHECK;
1937} 2229}
1938 2230
1939#if EV_PERIODIC_ENABLE 2231#if EV_PERIODIC_ENABLE
1940void noinline 2232void noinline
1941ev_periodic_start (EV_P_ ev_periodic *w) 2233ev_periodic_start (EV_P_ ev_periodic *w)
1942{ 2234{
1943 if (expect_false (ev_is_active (w))) 2235 if (expect_false (ev_is_active (w)))
1944 return; 2236 return;
1945 2237
1946 if (w->reschedule_cb) 2238 if (w->reschedule_cb)
1947 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); 2239 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1948 else if (w->interval) 2240 else if (w->interval)
1949 { 2241 {
1950 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); 2242 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1951 /* this formula differs from the one in periodic_reify because we do not always round up */ 2243 /* this formula differs from the one in periodic_reify because we do not always round up */
1952 ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2244 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1953 } 2245 }
1954 else 2246 else
1955 ((WT)w)->at = w->offset; 2247 ev_at (w) = w->offset;
1956 2248
2249 EV_FREQUENT_CHECK;
2250
2251 ++periodiccnt;
1957 ev_start (EV_A_ (W)w, ++periodiccnt); 2252 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
1958 array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); 2253 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);
1959 periodics [periodiccnt - 1] = (WT)w; 2254 ANHE_w (periodics [ev_active (w)]) = (WT)w;
1960 upheap (periodics, periodiccnt - 1); 2255 ANHE_at_cache (periodics [ev_active (w)]);
2256 upheap (periodics, ev_active (w));
1961 2257
2258 EV_FREQUENT_CHECK;
2259
1962 /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ 2260 /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
1963} 2261}
1964 2262
1965void noinline 2263void noinline
1966ev_periodic_stop (EV_P_ ev_periodic *w) 2264ev_periodic_stop (EV_P_ ev_periodic *w)
1967{ 2265{
1968 clear_pending (EV_A_ (W)w); 2266 clear_pending (EV_A_ (W)w);
1969 if (expect_false (!ev_is_active (w))) 2267 if (expect_false (!ev_is_active (w)))
1970 return; 2268 return;
1971 2269
1972 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); 2270 EV_FREQUENT_CHECK;
1973 2271
1974 { 2272 {
1975 int active = ((W)w)->active; 2273 int active = ev_active (w);
1976 2274
2275 assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
2276
2277 --periodiccnt;
2278
1977 if (expect_true (--active < --periodiccnt)) 2279 if (expect_true (active < periodiccnt + HEAP0))
1978 { 2280 {
1979 periodics [active] = periodics [periodiccnt]; 2281 periodics [active] = periodics [periodiccnt + HEAP0];
1980 adjustheap (periodics, periodiccnt, active); 2282 adjustheap (periodics, periodiccnt, active);
1981 } 2283 }
1982 } 2284 }
1983 2285
2286 EV_FREQUENT_CHECK;
2287
1984 ev_stop (EV_A_ (W)w); 2288 ev_stop (EV_A_ (W)w);
1985} 2289}
1986 2290
1987void noinline 2291void noinline
1988ev_periodic_again (EV_P_ ev_periodic *w) 2292ev_periodic_again (EV_P_ ev_periodic *w)
… …
2007 return; 2311 return;
2008 2312
2009 assert (("ev_signal_start called with illegal signal number", w->signum > 0)); 2313 assert (("ev_signal_start called with illegal signal number", w->signum > 0));
2010 2314
2011 evpipe_init (EV_A); 2315 evpipe_init (EV_A);
2316
2317 EV_FREQUENT_CHECK;
2012 2318
2013 { 2319 {
2014#ifndef _WIN32 2320#ifndef _WIN32
2015 sigset_t full, prev; 2321 sigset_t full, prev;
2016 sigfillset (&full); 2322 sigfillset (&full);
… …
2037 sigfillset (&sa.sa_mask); 2343 sigfillset (&sa.sa_mask);
2038 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ 2344 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2039 sigaction (w->signum, &sa, 0); 2345 sigaction (w->signum, &sa, 0);
2040#endif 2346#endif
2041 } 2347 }
2348
2349 EV_FREQUENT_CHECK;
2042} 2350}
2043 2351
2044void noinline 2352void noinline
2045ev_signal_stop (EV_P_ ev_signal *w) 2353ev_signal_stop (EV_P_ ev_signal *w)
2046{ 2354{
2047 clear_pending (EV_A_ (W)w); 2355 clear_pending (EV_A_ (W)w);
2048 if (expect_false (!ev_is_active (w))) 2356 if (expect_false (!ev_is_active (w)))
2049 return; 2357 return;
2050 2358
2359 EV_FREQUENT_CHECK;
2360
2051 wlist_del (&signals [w->signum - 1].head, (WL)w); 2361 wlist_del (&signals [w->signum - 1].head, (WL)w);
2052 ev_stop (EV_A_ (W)w); 2362 ev_stop (EV_A_ (W)w);
2053 2363
2054 if (!signals [w->signum - 1].head) 2364 if (!signals [w->signum - 1].head)
2055 signal (w->signum, SIG_DFL); 2365 signal (w->signum, SIG_DFL);
2366
2367 EV_FREQUENT_CHECK;
2056} 2368}
2057 2369
2058void 2370void
2059ev_child_start (EV_P_ ev_child *w) 2371ev_child_start (EV_P_ ev_child *w)
2060{ 2372{
… …
2062 assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 2374 assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2063#endif 2375#endif
2064 if (expect_false (ev_is_active (w))) 2376 if (expect_false (ev_is_active (w)))
2065 return; 2377 return;
2066 2378
2379 EV_FREQUENT_CHECK;
2380
2067 ev_start (EV_A_ (W)w, 1); 2381 ev_start (EV_A_ (W)w, 1);
2068 wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2382 wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
2383
2384 EV_FREQUENT_CHECK;
2069} 2385}
2070 2386
2071void 2387void
2072ev_child_stop (EV_P_ ev_child *w) 2388ev_child_stop (EV_P_ ev_child *w)
2073{ 2389{
2074 clear_pending (EV_A_ (W)w); 2390 clear_pending (EV_A_ (W)w);
2075 if (expect_false (!ev_is_active (w))) 2391 if (expect_false (!ev_is_active (w)))
2076 return; 2392 return;
2077 2393
2394 EV_FREQUENT_CHECK;
2395
2078 wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2396 wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
2079 ev_stop (EV_A_ (W)w); 2397 ev_stop (EV_A_ (W)w);
2398
2399 EV_FREQUENT_CHECK;
2080} 2400}
2081 2401
2082#if EV_STAT_ENABLE 2402#if EV_STAT_ENABLE
2083 2403
2084# ifdef _WIN32 2404# ifdef _WIN32
… …
2102 if (w->wd < 0) 2422 if (w->wd < 0)
2103 { 2423 {
2104 ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ 2424 ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
2105 2425
2106 /* monitor some parent directory for speedup hints */ 2426 /* monitor some parent directory for speedup hints */
2427 /* note that exceeding the hardcoded limit is not a correctness issue, */
2428 /* but an efficiency issue only */
2107 if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) 2429 if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)
2108 { 2430 {
2109 char path [4096]; 2431 char path [4096];
2110 strcpy (path, w->path); 2432 strcpy (path, w->path);
2111 2433
… …
2310 else 2632 else
2311#endif 2633#endif
2312 ev_timer_start (EV_A_ &w->timer); 2634 ev_timer_start (EV_A_ &w->timer);
2313 2635
2314 ev_start (EV_A_ (W)w, 1); 2636 ev_start (EV_A_ (W)w, 1);
2637
2638 EV_FREQUENT_CHECK;
2315} 2639}
2316 2640
2317void 2641void
2318ev_stat_stop (EV_P_ ev_stat *w) 2642ev_stat_stop (EV_P_ ev_stat *w)
2319{ 2643{
2320 clear_pending (EV_A_ (W)w); 2644 clear_pending (EV_A_ (W)w);
2321 if (expect_false (!ev_is_active (w))) 2645 if (expect_false (!ev_is_active (w)))
2322 return; 2646 return;
2323 2647
2648 EV_FREQUENT_CHECK;
2649
2324#if EV_USE_INOTIFY 2650#if EV_USE_INOTIFY
2325 infy_del (EV_A_ w); 2651 infy_del (EV_A_ w);
2326#endif 2652#endif
2327 ev_timer_stop (EV_A_ &w->timer); 2653 ev_timer_stop (EV_A_ &w->timer);
2328 2654
2329 ev_stop (EV_A_ (W)w); 2655 ev_stop (EV_A_ (W)w);
2656
2657 EV_FREQUENT_CHECK;
2330} 2658}
2331#endif 2659#endif
2332 2660
2333#if EV_IDLE_ENABLE 2661#if EV_IDLE_ENABLE
2334void 2662void
… …
2336{ 2664{
2337 if (expect_false (ev_is_active (w))) 2665 if (expect_false (ev_is_active (w)))
2338 return; 2666 return;
2339 2667
2340 pri_adjust (EV_A_ (W)w); 2668 pri_adjust (EV_A_ (W)w);
2669
2670 EV_FREQUENT_CHECK;
2341 2671
2342 { 2672 {
2343 int active = ++idlecnt [ABSPRI (w)]; 2673 int active = ++idlecnt [ABSPRI (w)];
2344 2674
2345 ++idleall; 2675 ++idleall;
2346 ev_start (EV_A_ (W)w, active); 2676 ev_start (EV_A_ (W)w, active);
2347 2677
2348 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); 2678 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);
2349 idles [ABSPRI (w)][active - 1] = w; 2679 idles [ABSPRI (w)][active - 1] = w;
2350 } 2680 }
2681
2682 EV_FREQUENT_CHECK;
2351} 2683}
2352 2684
2353void 2685void
2354ev_idle_stop (EV_P_ ev_idle *w) 2686ev_idle_stop (EV_P_ ev_idle *w)
2355{ 2687{
2356 clear_pending (EV_A_ (W)w); 2688 clear_pending (EV_A_ (W)w);
2357 if (expect_false (!ev_is_active (w))) 2689 if (expect_false (!ev_is_active (w)))
2358 return; 2690 return;
2359 2691
2692 EV_FREQUENT_CHECK;
2693
2360 { 2694 {
2361 int active = ((W)w)->active; 2695 int active = ev_active (w);
2362 2696
2363 idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; 2697 idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
2364 ((W)idles [ABSPRI (w)][active - 1])->active = active; 2698 ev_active (idles [ABSPRI (w)][active - 1]) = active;
2365 2699
2366 ev_stop (EV_A_ (W)w); 2700 ev_stop (EV_A_ (W)w);
2367 --idleall; 2701 --idleall;
2368 } 2702 }
2703
2704 EV_FREQUENT_CHECK;
2369} 2705}
2370#endif 2706#endif
2371 2707
2372void 2708void
2373ev_prepare_start (EV_P_ ev_prepare *w) 2709ev_prepare_start (EV_P_ ev_prepare *w)
2374{ 2710{
2375 if (expect_false (ev_is_active (w))) 2711 if (expect_false (ev_is_active (w)))
2376 return; 2712 return;
2713
2714 EV_FREQUENT_CHECK;
2377 2715
2378 ev_start (EV_A_ (W)w, ++preparecnt); 2716 ev_start (EV_A_ (W)w, ++preparecnt);
2379 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); 2717 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
2380 prepares [preparecnt - 1] = w; 2718 prepares [preparecnt - 1] = w;
2719
2720 EV_FREQUENT_CHECK;
2381} 2721}
2382 2722
2383void 2723void
2384ev_prepare_stop (EV_P_ ev_prepare *w) 2724ev_prepare_stop (EV_P_ ev_prepare *w)
2385{ 2725{
2386 clear_pending (EV_A_ (W)w); 2726 clear_pending (EV_A_ (W)w);
2387 if (expect_false (!ev_is_active (w))) 2727 if (expect_false (!ev_is_active (w)))
2388 return; 2728 return;
2389 2729
2730 EV_FREQUENT_CHECK;
2731
2390 { 2732 {
2391 int active = ((W)w)->active; 2733 int active = ev_active (w);
2734
2392 prepares [active - 1] = prepares [--preparecnt]; 2735 prepares [active - 1] = prepares [--preparecnt];
2393 ((W)prepares [active - 1])->active = active; 2736 ev_active (prepares [active - 1]) = active;
2394 } 2737 }
2395 2738
2396 ev_stop (EV_A_ (W)w); 2739 ev_stop (EV_A_ (W)w);
2740
2741 EV_FREQUENT_CHECK;
2397} 2742}
2398 2743
2399void 2744void
2400ev_check_start (EV_P_ ev_check *w) 2745ev_check_start (EV_P_ ev_check *w)
2401{ 2746{
2402 if (expect_false (ev_is_active (w))) 2747 if (expect_false (ev_is_active (w)))
2403 return; 2748 return;
2749
2750 EV_FREQUENT_CHECK;
2404 2751
2405 ev_start (EV_A_ (W)w, ++checkcnt); 2752 ev_start (EV_A_ (W)w, ++checkcnt);
2406 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); 2753 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
2407 checks [checkcnt - 1] = w; 2754 checks [checkcnt - 1] = w;
2755
2756 EV_FREQUENT_CHECK;
2408} 2757}
2409 2758
2410void 2759void
2411ev_check_stop (EV_P_ ev_check *w) 2760ev_check_stop (EV_P_ ev_check *w)
2412{ 2761{
2413 clear_pending (EV_A_ (W)w); 2762 clear_pending (EV_A_ (W)w);
2414 if (expect_false (!ev_is_active (w))) 2763 if (expect_false (!ev_is_active (w)))
2415 return; 2764 return;
2416 2765
2766 EV_FREQUENT_CHECK;
2767
2417 { 2768 {
2418 int active = ((W)w)->active; 2769 int active = ev_active (w);
2770
2419 checks [active - 1] = checks [--checkcnt]; 2771 checks [active - 1] = checks [--checkcnt];
2420 ((W)checks [active - 1])->active = active; 2772 ev_active (checks [active - 1]) = active;
2421 } 2773 }
2422 2774
2423 ev_stop (EV_A_ (W)w); 2775 ev_stop (EV_A_ (W)w);
2776
2777 EV_FREQUENT_CHECK;
2424} 2778}
2425 2779
2426#if EV_EMBED_ENABLE 2780#if EV_EMBED_ENABLE
2427void noinline 2781void noinline
2428ev_embed_sweep (EV_P_ ev_embed *w) 2782ev_embed_sweep (EV_P_ ev_embed *w)
… …
2475 struct ev_loop *loop = w->other; 2829 struct ev_loop *loop = w->other;
2476 assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); 2830 assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2477 ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); 2831 ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2478 } 2832 }
2479 2833
2834 EV_FREQUENT_CHECK;
2835
2480 ev_set_priority (&w->io, ev_priority (w)); 2836 ev_set_priority (&w->io, ev_priority (w));
2481 ev_io_start (EV_A_ &w->io); 2837 ev_io_start (EV_A_ &w->io);
2482 2838
2483 ev_prepare_init (&w->prepare, embed_prepare_cb); 2839 ev_prepare_init (&w->prepare, embed_prepare_cb);
2484 ev_set_priority (&w->prepare, EV_MINPRI); 2840 ev_set_priority (&w->prepare, EV_MINPRI);
2485 ev_prepare_start (EV_A_ &w->prepare); 2841 ev_prepare_start (EV_A_ &w->prepare);
2486 2842
2487 /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ 2843 /*ev_idle_init (&w->idle, e,bed_idle_cb);*/
2488 2844
2489 ev_start (EV_A_ (W)w, 1); 2845 ev_start (EV_A_ (W)w, 1);
2846
2847 EV_FREQUENT_CHECK;
2490} 2848}
2491 2849
2492void 2850void
2493ev_embed_stop (EV_P_ ev_embed *w) 2851ev_embed_stop (EV_P_ ev_embed *w)
2494{ 2852{
2495 clear_pending (EV_A_ (W)w); 2853 clear_pending (EV_A_ (W)w);
2496 if (expect_false (!ev_is_active (w))) 2854 if (expect_false (!ev_is_active (w)))
2497 return; 2855 return;
2498 2856
2857 EV_FREQUENT_CHECK;
2858
2499 ev_io_stop (EV_A_ &w->io); 2859 ev_io_stop (EV_A_ &w->io);
2500 ev_prepare_stop (EV_A_ &w->prepare); 2860 ev_prepare_stop (EV_A_ &w->prepare);
2501 2861
2502 ev_stop (EV_A_ (W)w); 2862 ev_stop (EV_A_ (W)w);
2863
2864 EV_FREQUENT_CHECK;
2503} 2865}
2504#endif 2866#endif
2505 2867
2506#if EV_FORK_ENABLE 2868#if EV_FORK_ENABLE
2507void 2869void
2508ev_fork_start (EV_P_ ev_fork *w) 2870ev_fork_start (EV_P_ ev_fork *w)
2509{ 2871{
2510 if (expect_false (ev_is_active (w))) 2872 if (expect_false (ev_is_active (w)))
2511 return; 2873 return;
2874
2875 EV_FREQUENT_CHECK;
2512 2876
2513 ev_start (EV_A_ (W)w, ++forkcnt); 2877 ev_start (EV_A_ (W)w, ++forkcnt);
2514 array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); 2878 array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);
2515 forks [forkcnt - 1] = w; 2879 forks [forkcnt - 1] = w;
2880
2881 EV_FREQUENT_CHECK;
2516} 2882}
2517 2883
2518void 2884void
2519ev_fork_stop (EV_P_ ev_fork *w) 2885ev_fork_stop (EV_P_ ev_fork *w)
2520{ 2886{
2521 clear_pending (EV_A_ (W)w); 2887 clear_pending (EV_A_ (W)w);
2522 if (expect_false (!ev_is_active (w))) 2888 if (expect_false (!ev_is_active (w)))
2523 return; 2889 return;
2524 2890
2891 EV_FREQUENT_CHECK;
2892
2525 { 2893 {
2526 int active = ((W)w)->active; 2894 int active = ev_active (w);
2895
2527 forks [active - 1] = forks [--forkcnt]; 2896 forks [active - 1] = forks [--forkcnt];
2528 ((W)forks [active - 1])->active = active; 2897 ev_active (forks [active - 1]) = active;
2529 } 2898 }
2530 2899
2531 ev_stop (EV_A_ (W)w); 2900 ev_stop (EV_A_ (W)w);
2901
2902 EV_FREQUENT_CHECK;
2532} 2903}
2533#endif 2904#endif
2534 2905
2535#if EV_ASYNC_ENABLE 2906#if EV_ASYNC_ENABLE
2536void 2907void
… …
2538{ 2909{
2539 if (expect_false (ev_is_active (w))) 2910 if (expect_false (ev_is_active (w)))
2540 return; 2911 return;
2541 2912
2542 evpipe_init (EV_A); 2913 evpipe_init (EV_A);
2914
2915 EV_FREQUENT_CHECK;
2543 2916
2544 ev_start (EV_A_ (W)w, ++asynccnt); 2917 ev_start (EV_A_ (W)w, ++asynccnt);
2545 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); 2918 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);
2546 asyncs [asynccnt - 1] = w; 2919 asyncs [asynccnt - 1] = w;
2920
2921 EV_FREQUENT_CHECK;
2547} 2922}
2548 2923
2549void 2924void
2550ev_async_stop (EV_P_ ev_async *w) 2925ev_async_stop (EV_P_ ev_async *w)
2551{ 2926{
2552 clear_pending (EV_A_ (W)w); 2927 clear_pending (EV_A_ (W)w);
2553 if (expect_false (!ev_is_active (w))) 2928 if (expect_false (!ev_is_active (w)))
2554 return; 2929 return;
2555 2930
2931 EV_FREQUENT_CHECK;
2932
2556 { 2933 {
2557 int active = ((W)w)->active; 2934 int active = ev_active (w);
2935
2558 asyncs [active - 1] = asyncs [--asynccnt]; 2936 asyncs [active - 1] = asyncs [--asynccnt];
2559 ((W)asyncs [active - 1])->active = active; 2937 ev_active (asyncs [active - 1]) = active;
2560 } 2938 }
2561 2939
2562 ev_stop (EV_A_ (W)w); 2940 ev_stop (EV_A_ (W)w);
2941
2942 EV_FREQUENT_CHECK;
2563} 2943}
2564 2944
2565void 2945void
2566ev_async_send (EV_P_ ev_async *w) 2946ev_async_send (EV_P_ ev_async *w)
2567{ 2947{

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