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Comparing libev/ev.c (file contents):
Revision 1.220 by root, Sun Apr 6 09:53:17 2008 UTC vs.
Revision 1.249 by root, Wed May 21 23:30:52 2008 UTC

… …
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 1
242# define EV_USE_4HEAP 1
243# define EV_HEAP_CACHE_AT 1
244#endif
245
246#ifndef EV_USE_4HEAP
247# define EV_USE_4HEAP !EV_MINIMAL
248#endif
249
250#ifndef EV_HEAP_CACHE_AT
251# define EV_HEAP_CACHE_AT !EV_MINIMAL
252#endif
253
240/* this block fixes any misconfiguration where we know we run into trouble otherwise */ 254/* this block fixes any misconfiguration where we know we run into trouble otherwise */
241 255
242#ifndef CLOCK_MONOTONIC 256#ifndef CLOCK_MONOTONIC
243# undef EV_USE_MONOTONIC 257# undef EV_USE_MONOTONIC
244# define EV_USE_MONOTONIC 0 258# define EV_USE_MONOTONIC 0
… …
268# include <winsock.h> 282# include <winsock.h>
269#endif 283#endif
270 284
271#if EV_USE_EVENTFD 285#if EV_USE_EVENTFD
272/* our minimum requirement is glibc 2.7 which has the stub, but not the header */ 286/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
287# include <stdint.h>
288# ifdef __cplusplus
289extern "C" {
290# endif
273int eventfd (unsigned int initval, int flags); 291int eventfd (unsigned int initval, int flags);
292# ifdef __cplusplus
293}
294# endif
274#endif 295#endif
275 296
276/**/ 297/**/
298
299/* EV_VERIFY: enable internal consistency checks
300 * undefined or zero: no verification done or available
301 * 1 or higher: ev_loop_verify function available
302 * 2 or higher: ev_loop_verify is called frequently
303 */
304#if EV_VERIFY >= 1
305# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)
306#else
307# define EV_FREQUENT_CHECK do { } while (0)
308#endif
277 309
278/* 310/*
279 * This is used to avoid floating point rounding problems. 311 * This is used to avoid floating point rounding problems.
280 * It is added to ev_rt_now when scheduling periodics 312 * It is added to ev_rt_now when scheduling periodics
281 * to ensure progress, time-wise, even when rounding 313 * to ensure progress, time-wise, even when rounding
… …
293# define expect(expr,value) __builtin_expect ((expr),(value)) 325# define expect(expr,value) __builtin_expect ((expr),(value))
294# define noinline __attribute__ ((noinline)) 326# define noinline __attribute__ ((noinline))
295#else 327#else
296# define expect(expr,value) (expr) 328# define expect(expr,value) (expr)
297# define noinline 329# define noinline
298# if __STDC_VERSION__ < 199901L 330# if __STDC_VERSION__ < 199901L && __GNUC__ < 2
299# define inline 331# define inline
300# endif 332# endif
301#endif 333#endif
302 334
303#define expect_false(expr) expect ((expr) != 0, 0) 335#define expect_false(expr) expect ((expr) != 0, 0)
… …
318 350
319typedef ev_watcher *W; 351typedef ev_watcher *W;
320typedef ev_watcher_list *WL; 352typedef ev_watcher_list *WL;
321typedef ev_watcher_time *WT; 353typedef ev_watcher_time *WT;
322 354
355#define ev_active(w) ((W)(w))->active
356#define ev_at(w) ((WT)(w))->at
357
323#if EV_USE_MONOTONIC 358#if EV_USE_MONOTONIC
324/* sig_atomic_t is used to avoid per-thread variables or locking but still */ 359/* sig_atomic_t is used to avoid per-thread variables or locking but still */
325/* giving it a reasonably high chance of working on typical architetcures */ 360/* giving it a reasonably high chance of working on typical architetcures */
326static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 361static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
327#endif 362#endif
… …
353 perror (msg); 388 perror (msg);
354 abort (); 389 abort ();
355 } 390 }
356} 391}
357 392
393static void *
394ev_realloc_emul (void *ptr, long size)
395{
396 /* some systems, notably openbsd and darwin, fail to properly
397 * implement realloc (x, 0) (as required by both ansi c-98 and
398 * the single unix specification, so work around them here.
399 */
400
401 if (size)
402 return realloc (ptr, size);
403
404 free (ptr);
405 return 0;
406}
407
358static void *(*alloc)(void *ptr, long size); 408static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;
359 409
360void 410void
361ev_set_allocator (void *(*cb)(void *ptr, long size)) 411ev_set_allocator (void *(*cb)(void *ptr, long size))
362{ 412{
363 alloc = cb; 413 alloc = cb;
364} 414}
365 415
366inline_speed void * 416inline_speed void *
367ev_realloc (void *ptr, long size) 417ev_realloc (void *ptr, long size)
368{ 418{
369 ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); 419 ptr = alloc (ptr, size);
370 420
371 if (!ptr && size) 421 if (!ptr && size)
372 { 422 {
373 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); 423 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
374 abort (); 424 abort ();
… …
397 W w; 447 W w;
398 int events; 448 int events;
399} ANPENDING; 449} ANPENDING;
400 450
401#if EV_USE_INOTIFY 451#if EV_USE_INOTIFY
452/* hash table entry per inotify-id */
402typedef struct 453typedef struct
403{ 454{
404 WL head; 455 WL head;
405} ANFS; 456} ANFS;
457#endif
458
459/* Heap Entry */
460#if EV_HEAP_CACHE_AT
461 typedef struct {
462 ev_tstamp at;
463 WT w;
464 } ANHE;
465
466 #define ANHE_w(he) (he).w /* access watcher, read-write */
467 #define ANHE_at(he) (he).at /* access cached at, read-only */
468 #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */
469#else
470 typedef WT ANHE;
471
472 #define ANHE_w(he) (he)
473 #define ANHE_at(he) (he)->at
474 #define ANHE_at_cache(he)
406#endif 475#endif
407 476
408#if EV_MULTIPLICITY 477#if EV_MULTIPLICITY
409 478
410 struct ev_loop 479 struct ev_loop
… …
495 } 564 }
496} 565}
497 566
498/*****************************************************************************/ 567/*****************************************************************************/
499 568
569#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
570
500int inline_size 571int inline_size
501array_nextsize (int elem, int cur, int cnt) 572array_nextsize (int elem, int cur, int cnt)
502{ 573{
503 int ncur = cur + 1; 574 int ncur = cur + 1;
504 575
505 do 576 do
506 ncur <<= 1; 577 ncur <<= 1;
507 while (cnt > ncur); 578 while (cnt > ncur);
508 579
509 /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ 580 /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */
510 if (elem * ncur > 4096) 581 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
511 { 582 {
512 ncur *= elem; 583 ncur *= elem;
513 ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; 584 ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
514 ncur = ncur - sizeof (void *) * 4; 585 ncur = ncur - sizeof (void *) * 4;
515 ncur /= elem; 586 ncur /= elem;
516 } 587 }
517 588
518 return ncur; 589 return ncur;
… …
732 } 803 }
733} 804}
734 805
735/*****************************************************************************/ 806/*****************************************************************************/
736 807
808/*
809 * the heap functions want a real array index. array index 0 uis guaranteed to not
810 * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
811 * the branching factor of the d-tree.
812 */
813
814/*
815 * at the moment we allow libev the luxury of two heaps,
816 * a small-code-size 2-heap one and a ~1.5kb larger 4-heap
817 * which is more cache-efficient.
818 * the difference is about 5% with 50000+ watchers.
819 */
820#if EV_USE_4HEAP
821
822#define DHEAP 4
823#define HEAP0 (DHEAP - 1) /* index of first element in heap */
824#define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0)
825#define UPHEAP_DONE(p,k) ((p) == (k))
826
827/* away from the root */
737void inline_speed 828void inline_speed
738upheap (WT *heap, int k) 829downheap (ANHE *heap, int N, int k)
739{ 830{
740 WT w = heap [k]; 831 ANHE he = heap [k];
832 ANHE *E = heap + N + HEAP0;
741 833
742 while (k) 834 for (;;)
743 { 835 {
744 int p = (k - 1) >> 1; 836 ev_tstamp minat;
837 ANHE *minpos;
838 ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
745 839
746 if (heap [p]->at <= w->at) 840 /* find minimum child */
841 if (expect_true (pos + DHEAP - 1 < E))
842 {
843 /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
844 if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
845 if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
846 if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
847 }
848 else if (pos < E)
849 {
850 /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
851 if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
852 if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
853 if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
854 }
855 else
747 break; 856 break;
748 857
858 if (ANHE_at (he) <= minat)
859 break;
860
861 heap [k] = *minpos;
862 ev_active (ANHE_w (*minpos)) = k;
863
864 k = minpos - heap;
865 }
866
867 heap [k] = he;
868 ev_active (ANHE_w (he)) = k;
869}
870
871#else /* 4HEAP */
872
873#define HEAP0 1
874#define HPARENT(k) ((k) >> 1)
875#define UPHEAP_DONE(p,k) (!(p))
876
877/* away from the root */
878void inline_speed
879downheap (ANHE *heap, int N, int k)
880{
881 ANHE he = heap [k];
882
883 for (;;)
884 {
885 int c = k << 1;
886
887 if (c > N + HEAP0 - 1)
888 break;
889
890 c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])
891 ? 1 : 0;
892
893 if (ANHE_at (he) <= ANHE_at (heap [c]))
894 break;
895
896 heap [k] = heap [c];
897 ev_active (ANHE_w (heap [k])) = k;
898
899 k = c;
900 }
901
902 heap [k] = he;
903 ev_active (ANHE_w (he)) = k;
904}
905#endif
906
907/* towards the root */
908void inline_speed
909upheap (ANHE *heap, int k)
910{
911 ANHE he = heap [k];
912
913 for (;;)
914 {
915 int p = HPARENT (k);
916
917 if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he))
918 break;
919
749 heap [k] = heap [p]; 920 heap [k] = heap [p];
750 ((W)heap [k])->active = k + 1; 921 ev_active (ANHE_w (heap [k])) = k;
751 k = p; 922 k = p;
752 } 923 }
753 924
754 heap [k] = w; 925 heap [k] = he;
755 ((W)heap [k])->active = k + 1; 926 ev_active (ANHE_w (he)) = k;
756}
757
758void inline_speed
759downheap (WT *heap, int N, int k)
760{
761 WT w = heap [k];
762
763 for (;;)
764 {
765 int c = (k << 1) + 1;
766
767 if (c >= N)
768 break;
769
770 c += c + 1 < N && heap [c]->at > heap [c + 1]->at
771 ? 1 : 0;
772
773 if (w->at <= heap [c]->at)
774 break;
775
776 heap [k] = heap [c];
777 ((W)heap [k])->active = k + 1;
778
779 k = c;
780 }
781
782 heap [k] = w;
783 ((W)heap [k])->active = k + 1;
784} 927}
785 928
786void inline_size 929void inline_size
787adjustheap (WT *heap, int N, int k) 930adjustheap (ANHE *heap, int N, int k)
788{ 931{
932 if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))
789 upheap (heap, k); 933 upheap (heap, k);
934 else
790 downheap (heap, N, k); 935 downheap (heap, N, k);
791} 936}
937
938/* rebuild the heap: this function is used only once and executed rarely */
939void inline_size
940reheap (ANHE *heap, int N)
941{
942 int i;
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);
947}
948
949#if EV_VERIFY
950static void
951checkheap (ANHE *heap, int N)
952{
953 int i;
954
955 for (i = HEAP0; i < N + HEAP0; ++i)
956 {
957 assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));
958 assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
959 assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
960 }
961}
962#endif
792 963
793/*****************************************************************************/ 964/*****************************************************************************/
794 965
795typedef struct 966typedef struct
796{ 967{
… …
884pipecb (EV_P_ ev_io *iow, int revents) 1055pipecb (EV_P_ ev_io *iow, int revents)
885{ 1056{
886#if EV_USE_EVENTFD 1057#if EV_USE_EVENTFD
887 if (evfd >= 0) 1058 if (evfd >= 0)
888 { 1059 {
889 uint64_t counter = 1; 1060 uint64_t counter;
890 read (evfd, &counter, sizeof (uint64_t)); 1061 read (evfd, &counter, sizeof (uint64_t));
891 } 1062 }
892 else 1063 else
893#endif 1064#endif
894 { 1065 {
… …
1163 if (!(flags & EVFLAG_NOENV) 1334 if (!(flags & EVFLAG_NOENV)
1164 && !enable_secure () 1335 && !enable_secure ()
1165 && getenv ("LIBEV_FLAGS")) 1336 && getenv ("LIBEV_FLAGS"))
1166 flags = atoi (getenv ("LIBEV_FLAGS")); 1337 flags = atoi (getenv ("LIBEV_FLAGS"));
1167 1338
1168 if (!(flags & 0x0000ffffUL)) 1339 if (!(flags & 0x0000ffffU))
1169 flags |= ev_recommended_backends (); 1340 flags |= ev_recommended_backends ();
1170 1341
1171#if EV_USE_PORT 1342#if EV_USE_PORT
1172 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 1343 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1173#endif 1344#endif
… …
1261#endif 1432#endif
1262 1433
1263 backend = 0; 1434 backend = 0;
1264} 1435}
1265 1436
1437#if EV_USE_INOTIFY
1266void inline_size infy_fork (EV_P); 1438void inline_size infy_fork (EV_P);
1439#endif
1267 1440
1268void inline_size 1441void inline_size
1269loop_fork (EV_P) 1442loop_fork (EV_P)
1270{ 1443{
1271#if EV_USE_PORT 1444#if EV_USE_PORT
… …
1338void 1511void
1339ev_loop_fork (EV_P) 1512ev_loop_fork (EV_P)
1340{ 1513{
1341 postfork = 1; /* must be in line with ev_default_fork */ 1514 postfork = 1; /* must be in line with ev_default_fork */
1342} 1515}
1516
1517#if EV_VERIFY
1518static void
1519array_check (W **ws, int cnt)
1520{
1521 while (cnt--)
1522 assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1));
1523}
1524
1525static void
1526ev_loop_verify (EV_P)
1527{
1528 int i;
1529
1530 checkheap (timers, timercnt);
1531#if EV_PERIODIC_ENABLE
1532 checkheap (periodics, periodiccnt);
1533#endif
1534
1535#if EV_IDLE_ENABLE
1536 for (i = NUMPRI; i--; )
1537 array_check ((W **)idles [i], idlecnt [i]);
1538#endif
1539#if EV_FORK_ENABLE
1540 array_check ((W **)forks, forkcnt);
1541#endif
1542 array_check ((W **)prepares, preparecnt);
1543 array_check ((W **)checks, checkcnt);
1544#if EV_ASYNC_ENABLE
1545 array_check ((W **)asyncs, asynccnt);
1546#endif
1547}
1548#endif
1343 1549
1344#endif 1550#endif
1345 1551
1346#if EV_MULTIPLICITY 1552#if EV_MULTIPLICITY
1347struct ev_loop * 1553struct ev_loop *
… …
1414void inline_speed 1620void inline_speed
1415call_pending (EV_P) 1621call_pending (EV_P)
1416{ 1622{
1417 int pri; 1623 int pri;
1418 1624
1625 EV_FREQUENT_CHECK;
1626
1419 for (pri = NUMPRI; pri--; ) 1627 for (pri = NUMPRI; pri--; )
1420 while (pendingcnt [pri]) 1628 while (pendingcnt [pri])
1421 { 1629 {
1422 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 1630 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
1423 1631
… …
1427 1635
1428 p->w->pending = 0; 1636 p->w->pending = 0;
1429 EV_CB_INVOKE (p->w, p->events); 1637 EV_CB_INVOKE (p->w, p->events);
1430 } 1638 }
1431 } 1639 }
1432}
1433 1640
1434void inline_size 1641 EV_FREQUENT_CHECK;
1435timers_reify (EV_P)
1436{
1437 while (timercnt && ((WT)timers [0])->at <= mn_now)
1438 {
1439 ev_timer *w = (ev_timer *)timers [0];
1440
1441 /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/
1442
1443 /* first reschedule or stop timer */
1444 if (w->repeat)
1445 {
1446 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1447
1448 ((WT)w)->at += w->repeat;
1449 if (((WT)w)->at < mn_now)
1450 ((WT)w)->at = mn_now;
1451
1452 downheap (timers, timercnt, 0);
1453 }
1454 else
1455 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1456
1457 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1458 }
1459} 1642}
1460
1461#if EV_PERIODIC_ENABLE
1462void inline_size
1463periodics_reify (EV_P)
1464{
1465 while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1466 {
1467 ev_periodic *w = (ev_periodic *)periodics [0];
1468
1469 /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/
1470
1471 /* first reschedule or stop timer */
1472 if (w->reschedule_cb)
1473 {
1474 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON);
1475 assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1476 downheap (periodics, periodiccnt, 0);
1477 }
1478 else if (w->interval)
1479 {
1480 ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1481 if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval;
1482 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
1483 downheap (periodics, periodiccnt, 0);
1484 }
1485 else
1486 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1487
1488 ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1489 }
1490}
1491
1492static void noinline
1493periodics_reschedule (EV_P)
1494{
1495 int i;
1496
1497 /* adjust periodics after time jump */
1498 for (i = 0; i < periodiccnt; ++i)
1499 {
1500 ev_periodic *w = (ev_periodic *)periodics [i];
1501
1502 if (w->reschedule_cb)
1503 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1504 else if (w->interval)
1505 ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1506 }
1507
1508 /* now rebuild the heap */
1509 for (i = periodiccnt >> 1; i--; )
1510 downheap (periodics, periodiccnt, i);
1511}
1512#endif
1513 1643
1514#if EV_IDLE_ENABLE 1644#if EV_IDLE_ENABLE
1515void inline_size 1645void inline_size
1516idle_reify (EV_P) 1646idle_reify (EV_P)
1517{ 1647{
… …
1529 queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); 1659 queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE);
1530 break; 1660 break;
1531 } 1661 }
1532 } 1662 }
1533 } 1663 }
1664}
1665#endif
1666
1667void inline_size
1668timers_reify (EV_P)
1669{
1670 EV_FREQUENT_CHECK;
1671
1672 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)
1673 {
1674 ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]);
1675
1676 /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/
1677
1678 /* first reschedule or stop timer */
1679 if (w->repeat)
1680 {
1681 ev_at (w) += w->repeat;
1682 if (ev_at (w) < mn_now)
1683 ev_at (w) = mn_now;
1684
1685 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1686
1687 ANHE_at_cache (timers [HEAP0]);
1688 downheap (timers, timercnt, HEAP0);
1689 }
1690 else
1691 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1692
1693 EV_FREQUENT_CHECK;
1694 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1695 }
1696}
1697
1698#if EV_PERIODIC_ENABLE
1699void inline_size
1700periodics_reify (EV_P)
1701{
1702 EV_FREQUENT_CHECK;
1703 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
1704 {
1705 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
1706
1707 /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/
1708
1709 /* first reschedule or stop timer */
1710 if (w->reschedule_cb)
1711 {
1712 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1713
1714 assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));
1715
1716 ANHE_at_cache (periodics [HEAP0]);
1717 downheap (periodics, periodiccnt, HEAP0);
1718 EV_FREQUENT_CHECK;
1719 }
1720 else if (w->interval)
1721 {
1722 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1723 /* if next trigger time is not sufficiently in the future, put it there */
1724 /* this might happen because of floating point inexactness */
1725 if (ev_at (w) - ev_rt_now < TIME_EPSILON)
1726 {
1727 ev_at (w) += w->interval;
1728
1729 /* if interval is unreasonably low we might still have a time in the past */
1730 /* so correct this. this will make the periodic very inexact, but the user */
1731 /* has effectively asked to get triggered more often than possible */
1732 if (ev_at (w) < ev_rt_now)
1733 ev_at (w) = ev_rt_now;
1734 }
1735
1736 ANHE_at_cache (periodics [HEAP0]);
1737 downheap (periodics, periodiccnt, HEAP0);
1738 }
1739 else
1740 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1741
1742 EV_FREQUENT_CHECK;
1743 ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1744 }
1745}
1746
1747static void noinline
1748periodics_reschedule (EV_P)
1749{
1750 int i;
1751
1752 /* adjust periodics after time jump */
1753 for (i = HEAP0; i < periodiccnt + HEAP0; ++i)
1754 {
1755 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]);
1756
1757 if (w->reschedule_cb)
1758 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1759 else if (w->interval)
1760 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1761
1762 ANHE_at_cache (periodics [i]);
1763 }
1764
1765 reheap (periodics, periodiccnt);
1534} 1766}
1535#endif 1767#endif
1536 1768
1537void inline_speed 1769void inline_speed
1538time_update (EV_P_ ev_tstamp max_block) 1770time_update (EV_P_ ev_tstamp max_block)
… …
1567 */ 1799 */
1568 for (i = 4; --i; ) 1800 for (i = 4; --i; )
1569 { 1801 {
1570 rtmn_diff = ev_rt_now - mn_now; 1802 rtmn_diff = ev_rt_now - mn_now;
1571 1803
1572 if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) 1804 if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP))
1573 return; /* all is well */ 1805 return; /* all is well */
1574 1806
1575 ev_rt_now = ev_time (); 1807 ev_rt_now = ev_time ();
1576 mn_now = get_clock (); 1808 mn_now = get_clock ();
1577 now_floor = mn_now; 1809 now_floor = mn_now;
… …
1593#if EV_PERIODIC_ENABLE 1825#if EV_PERIODIC_ENABLE
1594 periodics_reschedule (EV_A); 1826 periodics_reschedule (EV_A);
1595#endif 1827#endif
1596 /* adjust timers. this is easy, as the offset is the same for all of them */ 1828 /* adjust timers. this is easy, as the offset is the same for all of them */
1597 for (i = 0; i < timercnt; ++i) 1829 for (i = 0; i < timercnt; ++i)
1830 {
1831 ANHE *he = timers + i + HEAP0;
1598 ((WT)timers [i])->at += ev_rt_now - mn_now; 1832 ANHE_w (*he)->at += ev_rt_now - mn_now;
1833 ANHE_at_cache (*he);
1834 }
1599 } 1835 }
1600 1836
1601 mn_now = ev_rt_now; 1837 mn_now = ev_rt_now;
1602 } 1838 }
1603} 1839}
… …
1673 1909
1674 waittime = MAX_BLOCKTIME; 1910 waittime = MAX_BLOCKTIME;
1675 1911
1676 if (timercnt) 1912 if (timercnt)
1677 { 1913 {
1678 ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; 1914 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
1679 if (waittime > to) waittime = to; 1915 if (waittime > to) waittime = to;
1680 } 1916 }
1681 1917
1682#if EV_PERIODIC_ENABLE 1918#if EV_PERIODIC_ENABLE
1683 if (periodiccnt) 1919 if (periodiccnt)
1684 { 1920 {
1685 ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; 1921 ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge;
1686 if (waittime > to) waittime = to; 1922 if (waittime > to) waittime = to;
1687 } 1923 }
1688#endif 1924#endif
1689 1925
1690 if (expect_false (waittime < timeout_blocktime)) 1926 if (expect_false (waittime < timeout_blocktime))
… …
1827 if (expect_false (ev_is_active (w))) 2063 if (expect_false (ev_is_active (w)))
1828 return; 2064 return;
1829 2065
1830 assert (("ev_io_start called with negative fd", fd >= 0)); 2066 assert (("ev_io_start called with negative fd", fd >= 0));
1831 2067
2068 EV_FREQUENT_CHECK;
2069
1832 ev_start (EV_A_ (W)w, 1); 2070 ev_start (EV_A_ (W)w, 1);
1833 array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); 2071 array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1834 wlist_add (&anfds[fd].head, (WL)w); 2072 wlist_add (&anfds[fd].head, (WL)w);
1835 2073
1836 fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); 2074 fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);
1837 w->events &= ~EV_IOFDSET; 2075 w->events &= ~EV_IOFDSET;
2076
2077 EV_FREQUENT_CHECK;
1838} 2078}
1839 2079
1840void noinline 2080void noinline
1841ev_io_stop (EV_P_ ev_io *w) 2081ev_io_stop (EV_P_ ev_io *w)
1842{ 2082{
1843 clear_pending (EV_A_ (W)w); 2083 clear_pending (EV_A_ (W)w);
1844 if (expect_false (!ev_is_active (w))) 2084 if (expect_false (!ev_is_active (w)))
1845 return; 2085 return;
1846 2086
1847 assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); 2087 assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
2088
2089 EV_FREQUENT_CHECK;
1848 2090
1849 wlist_del (&anfds[w->fd].head, (WL)w); 2091 wlist_del (&anfds[w->fd].head, (WL)w);
1850 ev_stop (EV_A_ (W)w); 2092 ev_stop (EV_A_ (W)w);
1851 2093
1852 fd_change (EV_A_ w->fd, 1); 2094 fd_change (EV_A_ w->fd, 1);
2095
2096 EV_FREQUENT_CHECK;
1853} 2097}
1854 2098
1855void noinline 2099void noinline
1856ev_timer_start (EV_P_ ev_timer *w) 2100ev_timer_start (EV_P_ ev_timer *w)
1857{ 2101{
1858 if (expect_false (ev_is_active (w))) 2102 if (expect_false (ev_is_active (w)))
1859 return; 2103 return;
1860 2104
1861 ((WT)w)->at += mn_now; 2105 ev_at (w) += mn_now;
1862 2106
1863 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 2107 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1864 2108
2109 EV_FREQUENT_CHECK;
2110
2111 ++timercnt;
1865 ev_start (EV_A_ (W)w, ++timercnt); 2112 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
1866 array_needsize (WT, timers, timermax, timercnt, EMPTY2); 2113 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);
1867 timers [timercnt - 1] = (WT)w; 2114 ANHE_w (timers [ev_active (w)]) = (WT)w;
1868 upheap (timers, timercnt - 1); 2115 ANHE_at_cache (timers [ev_active (w)]);
2116 upheap (timers, ev_active (w));
1869 2117
2118 EV_FREQUENT_CHECK;
2119
1870 /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ 2120 /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
1871} 2121}
1872 2122
1873void noinline 2123void noinline
1874ev_timer_stop (EV_P_ ev_timer *w) 2124ev_timer_stop (EV_P_ ev_timer *w)
1875{ 2125{
1876 clear_pending (EV_A_ (W)w); 2126 clear_pending (EV_A_ (W)w);
1877 if (expect_false (!ev_is_active (w))) 2127 if (expect_false (!ev_is_active (w)))
1878 return; 2128 return;
1879 2129
1880 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); 2130 EV_FREQUENT_CHECK;
1881 2131
1882 { 2132 {
1883 int active = ((W)w)->active; 2133 int active = ev_active (w);
1884 2134
2135 assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
2136
2137 --timercnt;
2138
1885 if (expect_true (--active < --timercnt)) 2139 if (expect_true (active < timercnt + HEAP0))
1886 { 2140 {
1887 timers [active] = timers [timercnt]; 2141 timers [active] = timers [timercnt + HEAP0];
1888 adjustheap (timers, timercnt, active); 2142 adjustheap (timers, timercnt, active);
1889 } 2143 }
1890 } 2144 }
1891 2145
1892 ((WT)w)->at -= mn_now; 2146 EV_FREQUENT_CHECK;
2147
2148 ev_at (w) -= mn_now;
1893 2149
1894 ev_stop (EV_A_ (W)w); 2150 ev_stop (EV_A_ (W)w);
1895} 2151}
1896 2152
1897void noinline 2153void noinline
1898ev_timer_again (EV_P_ ev_timer *w) 2154ev_timer_again (EV_P_ ev_timer *w)
1899{ 2155{
2156 EV_FREQUENT_CHECK;
2157
1900 if (ev_is_active (w)) 2158 if (ev_is_active (w))
1901 { 2159 {
1902 if (w->repeat) 2160 if (w->repeat)
1903 { 2161 {
1904 ((WT)w)->at = mn_now + w->repeat; 2162 ev_at (w) = mn_now + w->repeat;
2163 ANHE_at_cache (timers [ev_active (w)]);
1905 adjustheap (timers, timercnt, ((W)w)->active - 1); 2164 adjustheap (timers, timercnt, ev_active (w));
1906 } 2165 }
1907 else 2166 else
1908 ev_timer_stop (EV_A_ w); 2167 ev_timer_stop (EV_A_ w);
1909 } 2168 }
1910 else if (w->repeat) 2169 else if (w->repeat)
1911 { 2170 {
1912 w->at = w->repeat; 2171 ev_at (w) = w->repeat;
1913 ev_timer_start (EV_A_ w); 2172 ev_timer_start (EV_A_ w);
1914 } 2173 }
2174
2175 EV_FREQUENT_CHECK;
1915} 2176}
1916 2177
1917#if EV_PERIODIC_ENABLE 2178#if EV_PERIODIC_ENABLE
1918void noinline 2179void noinline
1919ev_periodic_start (EV_P_ ev_periodic *w) 2180ev_periodic_start (EV_P_ ev_periodic *w)
1920{ 2181{
1921 if (expect_false (ev_is_active (w))) 2182 if (expect_false (ev_is_active (w)))
1922 return; 2183 return;
1923 2184
1924 if (w->reschedule_cb) 2185 if (w->reschedule_cb)
1925 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); 2186 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1926 else if (w->interval) 2187 else if (w->interval)
1927 { 2188 {
1928 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); 2189 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1929 /* this formula differs from the one in periodic_reify because we do not always round up */ 2190 /* this formula differs from the one in periodic_reify because we do not always round up */
1930 ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2191 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1931 } 2192 }
1932 else 2193 else
1933 ((WT)w)->at = w->offset; 2194 ev_at (w) = w->offset;
1934 2195
2196 EV_FREQUENT_CHECK;
2197
2198 ++periodiccnt;
1935 ev_start (EV_A_ (W)w, ++periodiccnt); 2199 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
1936 array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); 2200 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);
1937 periodics [periodiccnt - 1] = (WT)w; 2201 ANHE_w (periodics [ev_active (w)]) = (WT)w;
1938 upheap (periodics, periodiccnt - 1); 2202 ANHE_at_cache (periodics [ev_active (w)]);
2203 upheap (periodics, ev_active (w));
1939 2204
2205 EV_FREQUENT_CHECK;
2206
1940 /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ 2207 /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
1941} 2208}
1942 2209
1943void noinline 2210void noinline
1944ev_periodic_stop (EV_P_ ev_periodic *w) 2211ev_periodic_stop (EV_P_ ev_periodic *w)
1945{ 2212{
1946 clear_pending (EV_A_ (W)w); 2213 clear_pending (EV_A_ (W)w);
1947 if (expect_false (!ev_is_active (w))) 2214 if (expect_false (!ev_is_active (w)))
1948 return; 2215 return;
1949 2216
1950 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); 2217 EV_FREQUENT_CHECK;
1951 2218
1952 { 2219 {
1953 int active = ((W)w)->active; 2220 int active = ev_active (w);
1954 2221
2222 assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
2223
2224 --periodiccnt;
2225
1955 if (expect_true (--active < --periodiccnt)) 2226 if (expect_true (active < periodiccnt + HEAP0))
1956 { 2227 {
1957 periodics [active] = periodics [periodiccnt]; 2228 periodics [active] = periodics [periodiccnt + HEAP0];
1958 adjustheap (periodics, periodiccnt, active); 2229 adjustheap (periodics, periodiccnt, active);
1959 } 2230 }
1960 } 2231 }
1961 2232
2233 EV_FREQUENT_CHECK;
2234
1962 ev_stop (EV_A_ (W)w); 2235 ev_stop (EV_A_ (W)w);
1963} 2236}
1964 2237
1965void noinline 2238void noinline
1966ev_periodic_again (EV_P_ ev_periodic *w) 2239ev_periodic_again (EV_P_ ev_periodic *w)
… …
1985 return; 2258 return;
1986 2259
1987 assert (("ev_signal_start called with illegal signal number", w->signum > 0)); 2260 assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1988 2261
1989 evpipe_init (EV_A); 2262 evpipe_init (EV_A);
2263
2264 EV_FREQUENT_CHECK;
1990 2265
1991 { 2266 {
1992#ifndef _WIN32 2267#ifndef _WIN32
1993 sigset_t full, prev; 2268 sigset_t full, prev;
1994 sigfillset (&full); 2269 sigfillset (&full);
… …
2015 sigfillset (&sa.sa_mask); 2290 sigfillset (&sa.sa_mask);
2016 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ 2291 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2017 sigaction (w->signum, &sa, 0); 2292 sigaction (w->signum, &sa, 0);
2018#endif 2293#endif
2019 } 2294 }
2295
2296 EV_FREQUENT_CHECK;
2020} 2297}
2021 2298
2022void noinline 2299void noinline
2023ev_signal_stop (EV_P_ ev_signal *w) 2300ev_signal_stop (EV_P_ ev_signal *w)
2024{ 2301{
2025 clear_pending (EV_A_ (W)w); 2302 clear_pending (EV_A_ (W)w);
2026 if (expect_false (!ev_is_active (w))) 2303 if (expect_false (!ev_is_active (w)))
2027 return; 2304 return;
2028 2305
2306 EV_FREQUENT_CHECK;
2307
2029 wlist_del (&signals [w->signum - 1].head, (WL)w); 2308 wlist_del (&signals [w->signum - 1].head, (WL)w);
2030 ev_stop (EV_A_ (W)w); 2309 ev_stop (EV_A_ (W)w);
2031 2310
2032 if (!signals [w->signum - 1].head) 2311 if (!signals [w->signum - 1].head)
2033 signal (w->signum, SIG_DFL); 2312 signal (w->signum, SIG_DFL);
2313
2314 EV_FREQUENT_CHECK;
2034} 2315}
2035 2316
2036void 2317void
2037ev_child_start (EV_P_ ev_child *w) 2318ev_child_start (EV_P_ ev_child *w)
2038{ 2319{
… …
2040 assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 2321 assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2041#endif 2322#endif
2042 if (expect_false (ev_is_active (w))) 2323 if (expect_false (ev_is_active (w)))
2043 return; 2324 return;
2044 2325
2326 EV_FREQUENT_CHECK;
2327
2045 ev_start (EV_A_ (W)w, 1); 2328 ev_start (EV_A_ (W)w, 1);
2046 wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2329 wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
2330
2331 EV_FREQUENT_CHECK;
2047} 2332}
2048 2333
2049void 2334void
2050ev_child_stop (EV_P_ ev_child *w) 2335ev_child_stop (EV_P_ ev_child *w)
2051{ 2336{
2052 clear_pending (EV_A_ (W)w); 2337 clear_pending (EV_A_ (W)w);
2053 if (expect_false (!ev_is_active (w))) 2338 if (expect_false (!ev_is_active (w)))
2054 return; 2339 return;
2055 2340
2341 EV_FREQUENT_CHECK;
2342
2056 wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2343 wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
2057 ev_stop (EV_A_ (W)w); 2344 ev_stop (EV_A_ (W)w);
2345
2346 EV_FREQUENT_CHECK;
2058} 2347}
2059 2348
2060#if EV_STAT_ENABLE 2349#if EV_STAT_ENABLE
2061 2350
2062# ifdef _WIN32 2351# ifdef _WIN32
… …
2080 if (w->wd < 0) 2369 if (w->wd < 0)
2081 { 2370 {
2082 ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ 2371 ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
2083 2372
2084 /* monitor some parent directory for speedup hints */ 2373 /* monitor some parent directory for speedup hints */
2374 /* note that exceeding the hardcoded limit is not a correctness issue, */
2375 /* but an efficiency issue only */
2085 if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) 2376 if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)
2086 { 2377 {
2087 char path [4096]; 2378 char path [4096];
2088 strcpy (path, w->path); 2379 strcpy (path, w->path);
2089 2380
… …
2288 else 2579 else
2289#endif 2580#endif
2290 ev_timer_start (EV_A_ &w->timer); 2581 ev_timer_start (EV_A_ &w->timer);
2291 2582
2292 ev_start (EV_A_ (W)w, 1); 2583 ev_start (EV_A_ (W)w, 1);
2584
2585 EV_FREQUENT_CHECK;
2293} 2586}
2294 2587
2295void 2588void
2296ev_stat_stop (EV_P_ ev_stat *w) 2589ev_stat_stop (EV_P_ ev_stat *w)
2297{ 2590{
2298 clear_pending (EV_A_ (W)w); 2591 clear_pending (EV_A_ (W)w);
2299 if (expect_false (!ev_is_active (w))) 2592 if (expect_false (!ev_is_active (w)))
2300 return; 2593 return;
2301 2594
2595 EV_FREQUENT_CHECK;
2596
2302#if EV_USE_INOTIFY 2597#if EV_USE_INOTIFY
2303 infy_del (EV_A_ w); 2598 infy_del (EV_A_ w);
2304#endif 2599#endif
2305 ev_timer_stop (EV_A_ &w->timer); 2600 ev_timer_stop (EV_A_ &w->timer);
2306 2601
2307 ev_stop (EV_A_ (W)w); 2602 ev_stop (EV_A_ (W)w);
2603
2604 EV_FREQUENT_CHECK;
2308} 2605}
2309#endif 2606#endif
2310 2607
2311#if EV_IDLE_ENABLE 2608#if EV_IDLE_ENABLE
2312void 2609void
… …
2314{ 2611{
2315 if (expect_false (ev_is_active (w))) 2612 if (expect_false (ev_is_active (w)))
2316 return; 2613 return;
2317 2614
2318 pri_adjust (EV_A_ (W)w); 2615 pri_adjust (EV_A_ (W)w);
2616
2617 EV_FREQUENT_CHECK;
2319 2618
2320 { 2619 {
2321 int active = ++idlecnt [ABSPRI (w)]; 2620 int active = ++idlecnt [ABSPRI (w)];
2322 2621
2323 ++idleall; 2622 ++idleall;
2324 ev_start (EV_A_ (W)w, active); 2623 ev_start (EV_A_ (W)w, active);
2325 2624
2326 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); 2625 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);
2327 idles [ABSPRI (w)][active - 1] = w; 2626 idles [ABSPRI (w)][active - 1] = w;
2328 } 2627 }
2628
2629 EV_FREQUENT_CHECK;
2329} 2630}
2330 2631
2331void 2632void
2332ev_idle_stop (EV_P_ ev_idle *w) 2633ev_idle_stop (EV_P_ ev_idle *w)
2333{ 2634{
2334 clear_pending (EV_A_ (W)w); 2635 clear_pending (EV_A_ (W)w);
2335 if (expect_false (!ev_is_active (w))) 2636 if (expect_false (!ev_is_active (w)))
2336 return; 2637 return;
2337 2638
2639 EV_FREQUENT_CHECK;
2640
2338 { 2641 {
2339 int active = ((W)w)->active; 2642 int active = ev_active (w);
2340 2643
2341 idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; 2644 idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
2342 ((W)idles [ABSPRI (w)][active - 1])->active = active; 2645 ev_active (idles [ABSPRI (w)][active - 1]) = active;
2343 2646
2344 ev_stop (EV_A_ (W)w); 2647 ev_stop (EV_A_ (W)w);
2345 --idleall; 2648 --idleall;
2346 } 2649 }
2650
2651 EV_FREQUENT_CHECK;
2347} 2652}
2348#endif 2653#endif
2349 2654
2350void 2655void
2351ev_prepare_start (EV_P_ ev_prepare *w) 2656ev_prepare_start (EV_P_ ev_prepare *w)
2352{ 2657{
2353 if (expect_false (ev_is_active (w))) 2658 if (expect_false (ev_is_active (w)))
2354 return; 2659 return;
2660
2661 EV_FREQUENT_CHECK;
2355 2662
2356 ev_start (EV_A_ (W)w, ++preparecnt); 2663 ev_start (EV_A_ (W)w, ++preparecnt);
2357 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); 2664 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
2358 prepares [preparecnt - 1] = w; 2665 prepares [preparecnt - 1] = w;
2666
2667 EV_FREQUENT_CHECK;
2359} 2668}
2360 2669
2361void 2670void
2362ev_prepare_stop (EV_P_ ev_prepare *w) 2671ev_prepare_stop (EV_P_ ev_prepare *w)
2363{ 2672{
2364 clear_pending (EV_A_ (W)w); 2673 clear_pending (EV_A_ (W)w);
2365 if (expect_false (!ev_is_active (w))) 2674 if (expect_false (!ev_is_active (w)))
2366 return; 2675 return;
2367 2676
2677 EV_FREQUENT_CHECK;
2678
2368 { 2679 {
2369 int active = ((W)w)->active; 2680 int active = ev_active (w);
2681
2370 prepares [active - 1] = prepares [--preparecnt]; 2682 prepares [active - 1] = prepares [--preparecnt];
2371 ((W)prepares [active - 1])->active = active; 2683 ev_active (prepares [active - 1]) = active;
2372 } 2684 }
2373 2685
2374 ev_stop (EV_A_ (W)w); 2686 ev_stop (EV_A_ (W)w);
2687
2688 EV_FREQUENT_CHECK;
2375} 2689}
2376 2690
2377void 2691void
2378ev_check_start (EV_P_ ev_check *w) 2692ev_check_start (EV_P_ ev_check *w)
2379{ 2693{
2380 if (expect_false (ev_is_active (w))) 2694 if (expect_false (ev_is_active (w)))
2381 return; 2695 return;
2696
2697 EV_FREQUENT_CHECK;
2382 2698
2383 ev_start (EV_A_ (W)w, ++checkcnt); 2699 ev_start (EV_A_ (W)w, ++checkcnt);
2384 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); 2700 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
2385 checks [checkcnt - 1] = w; 2701 checks [checkcnt - 1] = w;
2702
2703 EV_FREQUENT_CHECK;
2386} 2704}
2387 2705
2388void 2706void
2389ev_check_stop (EV_P_ ev_check *w) 2707ev_check_stop (EV_P_ ev_check *w)
2390{ 2708{
2391 clear_pending (EV_A_ (W)w); 2709 clear_pending (EV_A_ (W)w);
2392 if (expect_false (!ev_is_active (w))) 2710 if (expect_false (!ev_is_active (w)))
2393 return; 2711 return;
2394 2712
2713 EV_FREQUENT_CHECK;
2714
2395 { 2715 {
2396 int active = ((W)w)->active; 2716 int active = ev_active (w);
2717
2397 checks [active - 1] = checks [--checkcnt]; 2718 checks [active - 1] = checks [--checkcnt];
2398 ((W)checks [active - 1])->active = active; 2719 ev_active (checks [active - 1]) = active;
2399 } 2720 }
2400 2721
2401 ev_stop (EV_A_ (W)w); 2722 ev_stop (EV_A_ (W)w);
2723
2724 EV_FREQUENT_CHECK;
2402} 2725}
2403 2726
2404#if EV_EMBED_ENABLE 2727#if EV_EMBED_ENABLE
2405void noinline 2728void noinline
2406ev_embed_sweep (EV_P_ ev_embed *w) 2729ev_embed_sweep (EV_P_ ev_embed *w)
… …
2453 struct ev_loop *loop = w->other; 2776 struct ev_loop *loop = w->other;
2454 assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); 2777 assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2455 ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); 2778 ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2456 } 2779 }
2457 2780
2781 EV_FREQUENT_CHECK;
2782
2458 ev_set_priority (&w->io, ev_priority (w)); 2783 ev_set_priority (&w->io, ev_priority (w));
2459 ev_io_start (EV_A_ &w->io); 2784 ev_io_start (EV_A_ &w->io);
2460 2785
2461 ev_prepare_init (&w->prepare, embed_prepare_cb); 2786 ev_prepare_init (&w->prepare, embed_prepare_cb);
2462 ev_set_priority (&w->prepare, EV_MINPRI); 2787 ev_set_priority (&w->prepare, EV_MINPRI);
2463 ev_prepare_start (EV_A_ &w->prepare); 2788 ev_prepare_start (EV_A_ &w->prepare);
2464 2789
2465 /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ 2790 /*ev_idle_init (&w->idle, e,bed_idle_cb);*/
2466 2791
2467 ev_start (EV_A_ (W)w, 1); 2792 ev_start (EV_A_ (W)w, 1);
2793
2794 EV_FREQUENT_CHECK;
2468} 2795}
2469 2796
2470void 2797void
2471ev_embed_stop (EV_P_ ev_embed *w) 2798ev_embed_stop (EV_P_ ev_embed *w)
2472{ 2799{
2473 clear_pending (EV_A_ (W)w); 2800 clear_pending (EV_A_ (W)w);
2474 if (expect_false (!ev_is_active (w))) 2801 if (expect_false (!ev_is_active (w)))
2475 return; 2802 return;
2476 2803
2804 EV_FREQUENT_CHECK;
2805
2477 ev_io_stop (EV_A_ &w->io); 2806 ev_io_stop (EV_A_ &w->io);
2478 ev_prepare_stop (EV_A_ &w->prepare); 2807 ev_prepare_stop (EV_A_ &w->prepare);
2479 2808
2480 ev_stop (EV_A_ (W)w); 2809 ev_stop (EV_A_ (W)w);
2810
2811 EV_FREQUENT_CHECK;
2481} 2812}
2482#endif 2813#endif
2483 2814
2484#if EV_FORK_ENABLE 2815#if EV_FORK_ENABLE
2485void 2816void
2486ev_fork_start (EV_P_ ev_fork *w) 2817ev_fork_start (EV_P_ ev_fork *w)
2487{ 2818{
2488 if (expect_false (ev_is_active (w))) 2819 if (expect_false (ev_is_active (w)))
2489 return; 2820 return;
2821
2822 EV_FREQUENT_CHECK;
2490 2823
2491 ev_start (EV_A_ (W)w, ++forkcnt); 2824 ev_start (EV_A_ (W)w, ++forkcnt);
2492 array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); 2825 array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);
2493 forks [forkcnt - 1] = w; 2826 forks [forkcnt - 1] = w;
2827
2828 EV_FREQUENT_CHECK;
2494} 2829}
2495 2830
2496void 2831void
2497ev_fork_stop (EV_P_ ev_fork *w) 2832ev_fork_stop (EV_P_ ev_fork *w)
2498{ 2833{
2499 clear_pending (EV_A_ (W)w); 2834 clear_pending (EV_A_ (W)w);
2500 if (expect_false (!ev_is_active (w))) 2835 if (expect_false (!ev_is_active (w)))
2501 return; 2836 return;
2502 2837
2838 EV_FREQUENT_CHECK;
2839
2503 { 2840 {
2504 int active = ((W)w)->active; 2841 int active = ev_active (w);
2842
2505 forks [active - 1] = forks [--forkcnt]; 2843 forks [active - 1] = forks [--forkcnt];
2506 ((W)forks [active - 1])->active = active; 2844 ev_active (forks [active - 1]) = active;
2507 } 2845 }
2508 2846
2509 ev_stop (EV_A_ (W)w); 2847 ev_stop (EV_A_ (W)w);
2848
2849 EV_FREQUENT_CHECK;
2510} 2850}
2511#endif 2851#endif
2512 2852
2513#if EV_ASYNC_ENABLE 2853#if EV_ASYNC_ENABLE
2514void 2854void
… …
2516{ 2856{
2517 if (expect_false (ev_is_active (w))) 2857 if (expect_false (ev_is_active (w)))
2518 return; 2858 return;
2519 2859
2520 evpipe_init (EV_A); 2860 evpipe_init (EV_A);
2861
2862 EV_FREQUENT_CHECK;
2521 2863
2522 ev_start (EV_A_ (W)w, ++asynccnt); 2864 ev_start (EV_A_ (W)w, ++asynccnt);
2523 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); 2865 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);
2524 asyncs [asynccnt - 1] = w; 2866 asyncs [asynccnt - 1] = w;
2867
2868 EV_FREQUENT_CHECK;
2525} 2869}
2526 2870
2527void 2871void
2528ev_async_stop (EV_P_ ev_async *w) 2872ev_async_stop (EV_P_ ev_async *w)
2529{ 2873{
2530 clear_pending (EV_A_ (W)w); 2874 clear_pending (EV_A_ (W)w);
2531 if (expect_false (!ev_is_active (w))) 2875 if (expect_false (!ev_is_active (w)))
2532 return; 2876 return;
2533 2877
2878 EV_FREQUENT_CHECK;
2879
2534 { 2880 {
2535 int active = ((W)w)->active; 2881 int active = ev_active (w);
2882
2536 asyncs [active - 1] = asyncs [--asynccnt]; 2883 asyncs [active - 1] = asyncs [--asynccnt];
2537 ((W)asyncs [active - 1])->active = active; 2884 ev_active (asyncs [active - 1]) = active;
2538 } 2885 }
2539 2886
2540 ev_stop (EV_A_ (W)w); 2887 ev_stop (EV_A_ (W)w);
2888
2889 EV_FREQUENT_CHECK;
2541} 2890}
2542 2891
2543void 2892void
2544ev_async_send (EV_P_ ev_async *w) 2893ev_async_send (EV_P_ ev_async *w)
2545{ 2894{

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