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Comparing libev/ev.c (file contents):
Revision 1.221 by root, Sun Apr 6 12:44:49 2008 UTC vs.
Revision 1.248 by root, Wed May 21 23:25:21 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#ifndef EV_USE_4HEAP
241# define EV_USE_4HEAP !EV_MINIMAL
242#endif
243
244#ifndef EV_HEAP_CACHE_AT
245# define EV_HEAP_CACHE_AT !EV_MINIMAL
246#endif
247
240/* this block fixes any misconfiguration where we know we run into trouble otherwise */ 248/* this block fixes any misconfiguration where we know we run into trouble otherwise */
241 249
242#ifndef CLOCK_MONOTONIC 250#ifndef CLOCK_MONOTONIC
243# undef EV_USE_MONOTONIC 251# undef EV_USE_MONOTONIC
244# define EV_USE_MONOTONIC 0 252# define EV_USE_MONOTONIC 0
… …
269#endif 277#endif
270 278
271#if EV_USE_EVENTFD 279#if EV_USE_EVENTFD
272/* our minimum requirement is glibc 2.7 which has the stub, but not the header */ 280/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
273# include <stdint.h> 281# include <stdint.h>
282# ifdef __cplusplus
283extern "C" {
284# endif
274int eventfd (unsigned int initval, int flags); 285int eventfd (unsigned int initval, int flags);
286# ifdef __cplusplus
287}
288# endif
275#endif 289#endif
276 290
277/**/ 291/**/
292
293/* undefined or zero: no verification done or available */
294/* 1 or higher: ev_loop_verify function available */
295/* 2 or higher: ev_loop_verify is called frequently */
296#define EV_VERIFY 1
297
298#if EV_VERIFY > 1
299# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)
300#else
301# define EV_FREQUENT_CHECK do { } while (0)
302#endif
278 303
279/* 304/*
280 * This is used to avoid floating point rounding problems. 305 * This is used to avoid floating point rounding problems.
281 * It is added to ev_rt_now when scheduling periodics 306 * It is added to ev_rt_now when scheduling periodics
282 * to ensure progress, time-wise, even when rounding 307 * to ensure progress, time-wise, even when rounding
… …
294# define expect(expr,value) __builtin_expect ((expr),(value)) 319# define expect(expr,value) __builtin_expect ((expr),(value))
295# define noinline __attribute__ ((noinline)) 320# define noinline __attribute__ ((noinline))
296#else 321#else
297# define expect(expr,value) (expr) 322# define expect(expr,value) (expr)
298# define noinline 323# define noinline
299# if __STDC_VERSION__ < 199901L 324# if __STDC_VERSION__ < 199901L && __GNUC__ < 2
300# define inline 325# define inline
301# endif 326# endif
302#endif 327#endif
303 328
304#define expect_false(expr) expect ((expr) != 0, 0) 329#define expect_false(expr) expect ((expr) != 0, 0)
… …
319 344
320typedef ev_watcher *W; 345typedef ev_watcher *W;
321typedef ev_watcher_list *WL; 346typedef ev_watcher_list *WL;
322typedef ev_watcher_time *WT; 347typedef ev_watcher_time *WT;
323 348
349#define ev_active(w) ((W)(w))->active
350#define ev_at(w) ((WT)(w))->at
351
324#if EV_USE_MONOTONIC 352#if EV_USE_MONOTONIC
325/* sig_atomic_t is used to avoid per-thread variables or locking but still */ 353/* sig_atomic_t is used to avoid per-thread variables or locking but still */
326/* giving it a reasonably high chance of working on typical architetcures */ 354/* giving it a reasonably high chance of working on typical architetcures */
327static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 355static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
328#endif 356#endif
… …
354 perror (msg); 382 perror (msg);
355 abort (); 383 abort ();
356 } 384 }
357} 385}
358 386
387static void *
388ev_realloc_emul (void *ptr, long size)
389{
390 /* some systems, notably openbsd and darwin, fail to properly
391 * implement realloc (x, 0) (as required by both ansi c-98 and
392 * the single unix specification, so work around them here.
393 */
394
395 if (size)
396 return realloc (ptr, size);
397
398 free (ptr);
399 return 0;
400}
401
359static void *(*alloc)(void *ptr, long size); 402static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;
360 403
361void 404void
362ev_set_allocator (void *(*cb)(void *ptr, long size)) 405ev_set_allocator (void *(*cb)(void *ptr, long size))
363{ 406{
364 alloc = cb; 407 alloc = cb;
365} 408}
366 409
367inline_speed void * 410inline_speed void *
368ev_realloc (void *ptr, long size) 411ev_realloc (void *ptr, long size)
369{ 412{
370 ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); 413 ptr = alloc (ptr, size);
371 414
372 if (!ptr && size) 415 if (!ptr && size)
373 { 416 {
374 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); 417 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
375 abort (); 418 abort ();
… …
398 W w; 441 W w;
399 int events; 442 int events;
400} ANPENDING; 443} ANPENDING;
401 444
402#if EV_USE_INOTIFY 445#if EV_USE_INOTIFY
446/* hash table entry per inotify-id */
403typedef struct 447typedef struct
404{ 448{
405 WL head; 449 WL head;
406} ANFS; 450} ANFS;
451#endif
452
453/* Heap Entry */
454#if EV_HEAP_CACHE_AT
455 typedef struct {
456 ev_tstamp at;
457 WT w;
458 } ANHE;
459
460 #define ANHE_w(he) (he).w /* access watcher, read-write */
461 #define ANHE_at(he) (he).at /* access cached at, read-only */
462 #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */
463#else
464 typedef WT ANHE;
465
466 #define ANHE_w(he) (he)
467 #define ANHE_at(he) (he)->at
468 #define ANHE_at_cache(he)
407#endif 469#endif
408 470
409#if EV_MULTIPLICITY 471#if EV_MULTIPLICITY
410 472
411 struct ev_loop 473 struct ev_loop
… …
496 } 558 }
497} 559}
498 560
499/*****************************************************************************/ 561/*****************************************************************************/
500 562
563#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
564
501int inline_size 565int inline_size
502array_nextsize (int elem, int cur, int cnt) 566array_nextsize (int elem, int cur, int cnt)
503{ 567{
504 int ncur = cur + 1; 568 int ncur = cur + 1;
505 569
506 do 570 do
507 ncur <<= 1; 571 ncur <<= 1;
508 while (cnt > ncur); 572 while (cnt > ncur);
509 573
510 /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ 574 /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */
511 if (elem * ncur > 4096) 575 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
512 { 576 {
513 ncur *= elem; 577 ncur *= elem;
514 ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; 578 ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
515 ncur = ncur - sizeof (void *) * 4; 579 ncur = ncur - sizeof (void *) * 4;
516 ncur /= elem; 580 ncur /= elem;
517 } 581 }
518 582
519 return ncur; 583 return ncur;
… …
733 } 797 }
734} 798}
735 799
736/*****************************************************************************/ 800/*****************************************************************************/
737 801
802/*
803 * the heap functions want a real array index. array index 0 uis guaranteed to not
804 * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
805 * the branching factor of the d-tree.
806 */
807
808/*
809 * at the moment we allow libev the luxury of two heaps,
810 * a small-code-size 2-heap one and a ~1.5kb larger 4-heap
811 * which is more cache-efficient.
812 * the difference is about 5% with 50000+ watchers.
813 */
814#if EV_USE_4HEAP
815
816#define DHEAP 4
817#define HEAP0 (DHEAP - 1) /* index of first element in heap */
818#define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0)
819#define UPHEAP_DONE(p,k) ((p) == (k))
820
821/* away from the root */
738void inline_speed 822void inline_speed
739upheap (WT *heap, int k) 823downheap (ANHE *heap, int N, int k)
740{ 824{
741 WT w = heap [k]; 825 ANHE he = heap [k];
826 ANHE *E = heap + N + HEAP0;
742 827
743 while (k) 828 for (;;)
744 { 829 {
745 int p = (k - 1) >> 1; 830 ev_tstamp minat;
831 ANHE *minpos;
832 ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
746 833
747 if (heap [p]->at <= w->at) 834 /* find minimum child */
835 if (expect_true (pos + DHEAP - 1 < E))
836 {
837 /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
838 if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
839 if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
840 if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
841 }
842 else if (pos < E)
843 {
844 /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
845 if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
846 if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
847 if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
848 }
849 else
748 break; 850 break;
749 851
852 if (ANHE_at (he) <= minat)
853 break;
854
855 heap [k] = *minpos;
856 ev_active (ANHE_w (*minpos)) = k;
857
858 k = minpos - heap;
859 }
860
861 heap [k] = he;
862 ev_active (ANHE_w (he)) = k;
863}
864
865#else /* 4HEAP */
866
867#define HEAP0 1
868#define HPARENT(k) ((k) >> 1)
869#define UPHEAP_DONE(p,k) (!(p))
870
871/* away from the root */
872void inline_speed
873downheap (ANHE *heap, int N, int k)
874{
875 ANHE he = heap [k];
876
877 for (;;)
878 {
879 int c = k << 1;
880
881 if (c > N + HEAP0 - 1)
882 break;
883
884 c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])
885 ? 1 : 0;
886
887 if (ANHE_at (he) <= ANHE_at (heap [c]))
888 break;
889
890 heap [k] = heap [c];
891 ev_active (ANHE_w (heap [k])) = k;
892
893 k = c;
894 }
895
896 heap [k] = he;
897 ev_active (ANHE_w (he)) = k;
898}
899#endif
900
901/* towards the root */
902void inline_speed
903upheap (ANHE *heap, int k)
904{
905 ANHE he = heap [k];
906
907 for (;;)
908 {
909 int p = HPARENT (k);
910
911 if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he))
912 break;
913
750 heap [k] = heap [p]; 914 heap [k] = heap [p];
751 ((W)heap [k])->active = k + 1; 915 ev_active (ANHE_w (heap [k])) = k;
752 k = p; 916 k = p;
753 } 917 }
754 918
755 heap [k] = w; 919 heap [k] = he;
756 ((W)heap [k])->active = k + 1; 920 ev_active (ANHE_w (he)) = k;
757}
758
759void inline_speed
760downheap (WT *heap, int N, int k)
761{
762 WT w = heap [k];
763
764 for (;;)
765 {
766 int c = (k << 1) + 1;
767
768 if (c >= N)
769 break;
770
771 c += c + 1 < N && heap [c]->at > heap [c + 1]->at
772 ? 1 : 0;
773
774 if (w->at <= heap [c]->at)
775 break;
776
777 heap [k] = heap [c];
778 ((W)heap [k])->active = k + 1;
779
780 k = c;
781 }
782
783 heap [k] = w;
784 ((W)heap [k])->active = k + 1;
785} 921}
786 922
787void inline_size 923void inline_size
788adjustheap (WT *heap, int N, int k) 924adjustheap (ANHE *heap, int N, int k)
789{ 925{
926 if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))
790 upheap (heap, k); 927 upheap (heap, k);
928 else
791 downheap (heap, N, k); 929 downheap (heap, N, k);
792} 930}
931
932/* rebuild the heap: this function is used only once and executed rarely */
933void inline_size
934reheap (ANHE *heap, int N)
935{
936 int i;
937 /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */
938 /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */
939 for (i = 0; i < N; ++i)
940 upheap (heap, i + HEAP0);
941}
942
943#if EV_VERIFY
944static void
945checkheap (ANHE *heap, int N)
946{
947 int i;
948
949 for (i = HEAP0; i < N + HEAP0; ++i)
950 {
951 assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));
952 assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
953 assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
954 }
955}
956#endif
793 957
794/*****************************************************************************/ 958/*****************************************************************************/
795 959
796typedef struct 960typedef struct
797{ 961{
… …
885pipecb (EV_P_ ev_io *iow, int revents) 1049pipecb (EV_P_ ev_io *iow, int revents)
886{ 1050{
887#if EV_USE_EVENTFD 1051#if EV_USE_EVENTFD
888 if (evfd >= 0) 1052 if (evfd >= 0)
889 { 1053 {
890 uint64_t counter = 1; 1054 uint64_t counter;
891 read (evfd, &counter, sizeof (uint64_t)); 1055 read (evfd, &counter, sizeof (uint64_t));
892 } 1056 }
893 else 1057 else
894#endif 1058#endif
895 { 1059 {
… …
1164 if (!(flags & EVFLAG_NOENV) 1328 if (!(flags & EVFLAG_NOENV)
1165 && !enable_secure () 1329 && !enable_secure ()
1166 && getenv ("LIBEV_FLAGS")) 1330 && getenv ("LIBEV_FLAGS"))
1167 flags = atoi (getenv ("LIBEV_FLAGS")); 1331 flags = atoi (getenv ("LIBEV_FLAGS"));
1168 1332
1169 if (!(flags & 0x0000ffffUL)) 1333 if (!(flags & 0x0000ffffU))
1170 flags |= ev_recommended_backends (); 1334 flags |= ev_recommended_backends ();
1171 1335
1172#if EV_USE_PORT 1336#if EV_USE_PORT
1173 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 1337 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1174#endif 1338#endif
… …
1262#endif 1426#endif
1263 1427
1264 backend = 0; 1428 backend = 0;
1265} 1429}
1266 1430
1431#if EV_USE_INOTIFY
1267void inline_size infy_fork (EV_P); 1432void inline_size infy_fork (EV_P);
1433#endif
1268 1434
1269void inline_size 1435void inline_size
1270loop_fork (EV_P) 1436loop_fork (EV_P)
1271{ 1437{
1272#if EV_USE_PORT 1438#if EV_USE_PORT
… …
1339void 1505void
1340ev_loop_fork (EV_P) 1506ev_loop_fork (EV_P)
1341{ 1507{
1342 postfork = 1; /* must be in line with ev_default_fork */ 1508 postfork = 1; /* must be in line with ev_default_fork */
1343} 1509}
1510
1511#if EV_VERIFY
1512static void
1513array_check (W **ws, int cnt)
1514{
1515 while (cnt--)
1516 assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1));
1517}
1518
1519static void
1520ev_loop_verify (EV_P)
1521{
1522 int i;
1523
1524 checkheap (timers, timercnt);
1525#if EV_PERIODIC_ENABLE
1526 checkheap (periodics, periodiccnt);
1527#endif
1528
1529#if EV_IDLE_ENABLE
1530 for (i = NUMPRI; i--; )
1531 array_check ((W **)idles [i], idlecnt [i]);
1532#endif
1533#if EV_FORK_ENABLE
1534 array_check ((W **)forks, forkcnt);
1535#endif
1536 array_check ((W **)prepares, preparecnt);
1537 array_check ((W **)checks, checkcnt);
1538#if EV_ASYNC_ENABLE
1539 array_check ((W **)asyncs, asynccnt);
1540#endif
1541}
1542#endif
1344 1543
1345#endif 1544#endif
1346 1545
1347#if EV_MULTIPLICITY 1546#if EV_MULTIPLICITY
1348struct ev_loop * 1547struct ev_loop *
… …
1415void inline_speed 1614void inline_speed
1416call_pending (EV_P) 1615call_pending (EV_P)
1417{ 1616{
1418 int pri; 1617 int pri;
1419 1618
1619 EV_FREQUENT_CHECK;
1620
1420 for (pri = NUMPRI; pri--; ) 1621 for (pri = NUMPRI; pri--; )
1421 while (pendingcnt [pri]) 1622 while (pendingcnt [pri])
1422 { 1623 {
1423 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 1624 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
1424 1625
… …
1428 1629
1429 p->w->pending = 0; 1630 p->w->pending = 0;
1430 EV_CB_INVOKE (p->w, p->events); 1631 EV_CB_INVOKE (p->w, p->events);
1431 } 1632 }
1432 } 1633 }
1433}
1434 1634
1435void inline_size 1635 EV_FREQUENT_CHECK;
1436timers_reify (EV_P)
1437{
1438 while (timercnt && ((WT)timers [0])->at <= mn_now)
1439 {
1440 ev_timer *w = (ev_timer *)timers [0];
1441
1442 /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/
1443
1444 /* first reschedule or stop timer */
1445 if (w->repeat)
1446 {
1447 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1448
1449 ((WT)w)->at += w->repeat;
1450 if (((WT)w)->at < mn_now)
1451 ((WT)w)->at = mn_now;
1452
1453 downheap (timers, timercnt, 0);
1454 }
1455 else
1456 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1457
1458 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1459 }
1460} 1636}
1461
1462#if EV_PERIODIC_ENABLE
1463void inline_size
1464periodics_reify (EV_P)
1465{
1466 while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1467 {
1468 ev_periodic *w = (ev_periodic *)periodics [0];
1469
1470 /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/
1471
1472 /* first reschedule or stop timer */
1473 if (w->reschedule_cb)
1474 {
1475 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON);
1476 assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1477 downheap (periodics, periodiccnt, 0);
1478 }
1479 else if (w->interval)
1480 {
1481 ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1482 if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval;
1483 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
1484 downheap (periodics, periodiccnt, 0);
1485 }
1486 else
1487 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1488
1489 ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1490 }
1491}
1492
1493static void noinline
1494periodics_reschedule (EV_P)
1495{
1496 int i;
1497
1498 /* adjust periodics after time jump */
1499 for (i = 0; i < periodiccnt; ++i)
1500 {
1501 ev_periodic *w = (ev_periodic *)periodics [i];
1502
1503 if (w->reschedule_cb)
1504 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1505 else if (w->interval)
1506 ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1507 }
1508
1509 /* now rebuild the heap */
1510 for (i = periodiccnt >> 1; i--; )
1511 downheap (periodics, periodiccnt, i);
1512}
1513#endif
1514 1637
1515#if EV_IDLE_ENABLE 1638#if EV_IDLE_ENABLE
1516void inline_size 1639void inline_size
1517idle_reify (EV_P) 1640idle_reify (EV_P)
1518{ 1641{
… …
1530 queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); 1653 queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE);
1531 break; 1654 break;
1532 } 1655 }
1533 } 1656 }
1534 } 1657 }
1658}
1659#endif
1660
1661void inline_size
1662timers_reify (EV_P)
1663{
1664 EV_FREQUENT_CHECK;
1665
1666 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)
1667 {
1668 ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]);
1669
1670 /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/
1671
1672 /* first reschedule or stop timer */
1673 if (w->repeat)
1674 {
1675 ev_at (w) += w->repeat;
1676 if (ev_at (w) < mn_now)
1677 ev_at (w) = mn_now;
1678
1679 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1680
1681 ANHE_at_cache (timers [HEAP0]);
1682 downheap (timers, timercnt, HEAP0);
1683 }
1684 else
1685 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1686
1687 EV_FREQUENT_CHECK;
1688 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1689 }
1690}
1691
1692#if EV_PERIODIC_ENABLE
1693void inline_size
1694periodics_reify (EV_P)
1695{
1696 EV_FREQUENT_CHECK;
1697 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
1698 {
1699 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
1700
1701 /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/
1702
1703 /* first reschedule or stop timer */
1704 if (w->reschedule_cb)
1705 {
1706 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1707
1708 assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));
1709
1710 ANHE_at_cache (periodics [HEAP0]);
1711 downheap (periodics, periodiccnt, HEAP0);
1712 EV_FREQUENT_CHECK;
1713 }
1714 else if (w->interval)
1715 {
1716 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1717 /* if next trigger time is not sufficiently in the future, put it there */
1718 /* this might happen because of floating point inexactness */
1719 if (ev_at (w) - ev_rt_now < TIME_EPSILON)
1720 {
1721 ev_at (w) += w->interval;
1722
1723 /* if interval is unreasonably low we might still have a time in the past */
1724 /* so correct this. this will make the periodic very inexact, but the user */
1725 /* has effectively asked to get triggered more often than possible */
1726 if (ev_at (w) < ev_rt_now)
1727 ev_at (w) = ev_rt_now;
1728 }
1729
1730 ANHE_at_cache (periodics [HEAP0]);
1731 downheap (periodics, periodiccnt, HEAP0);
1732 }
1733 else
1734 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1735
1736 EV_FREQUENT_CHECK;
1737 ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1738 }
1739}
1740
1741static void noinline
1742periodics_reschedule (EV_P)
1743{
1744 int i;
1745
1746 /* adjust periodics after time jump */
1747 for (i = HEAP0; i < periodiccnt + HEAP0; ++i)
1748 {
1749 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]);
1750
1751 if (w->reschedule_cb)
1752 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1753 else if (w->interval)
1754 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1755
1756 ANHE_at_cache (periodics [i]);
1757 }
1758
1759 reheap (periodics, periodiccnt);
1535} 1760}
1536#endif 1761#endif
1537 1762
1538void inline_speed 1763void inline_speed
1539time_update (EV_P_ ev_tstamp max_block) 1764time_update (EV_P_ ev_tstamp max_block)
… …
1568 */ 1793 */
1569 for (i = 4; --i; ) 1794 for (i = 4; --i; )
1570 { 1795 {
1571 rtmn_diff = ev_rt_now - mn_now; 1796 rtmn_diff = ev_rt_now - mn_now;
1572 1797
1573 if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) 1798 if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP))
1574 return; /* all is well */ 1799 return; /* all is well */
1575 1800
1576 ev_rt_now = ev_time (); 1801 ev_rt_now = ev_time ();
1577 mn_now = get_clock (); 1802 mn_now = get_clock ();
1578 now_floor = mn_now; 1803 now_floor = mn_now;
… …
1594#if EV_PERIODIC_ENABLE 1819#if EV_PERIODIC_ENABLE
1595 periodics_reschedule (EV_A); 1820 periodics_reschedule (EV_A);
1596#endif 1821#endif
1597 /* adjust timers. this is easy, as the offset is the same for all of them */ 1822 /* adjust timers. this is easy, as the offset is the same for all of them */
1598 for (i = 0; i < timercnt; ++i) 1823 for (i = 0; i < timercnt; ++i)
1824 {
1825 ANHE *he = timers + i + HEAP0;
1599 ((WT)timers [i])->at += ev_rt_now - mn_now; 1826 ANHE_w (*he)->at += ev_rt_now - mn_now;
1827 ANHE_at_cache (*he);
1828 }
1600 } 1829 }
1601 1830
1602 mn_now = ev_rt_now; 1831 mn_now = ev_rt_now;
1603 } 1832 }
1604} 1833}
… …
1674 1903
1675 waittime = MAX_BLOCKTIME; 1904 waittime = MAX_BLOCKTIME;
1676 1905
1677 if (timercnt) 1906 if (timercnt)
1678 { 1907 {
1679 ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; 1908 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
1680 if (waittime > to) waittime = to; 1909 if (waittime > to) waittime = to;
1681 } 1910 }
1682 1911
1683#if EV_PERIODIC_ENABLE 1912#if EV_PERIODIC_ENABLE
1684 if (periodiccnt) 1913 if (periodiccnt)
1685 { 1914 {
1686 ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; 1915 ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge;
1687 if (waittime > to) waittime = to; 1916 if (waittime > to) waittime = to;
1688 } 1917 }
1689#endif 1918#endif
1690 1919
1691 if (expect_false (waittime < timeout_blocktime)) 1920 if (expect_false (waittime < timeout_blocktime))
… …
1828 if (expect_false (ev_is_active (w))) 2057 if (expect_false (ev_is_active (w)))
1829 return; 2058 return;
1830 2059
1831 assert (("ev_io_start called with negative fd", fd >= 0)); 2060 assert (("ev_io_start called with negative fd", fd >= 0));
1832 2061
2062 EV_FREQUENT_CHECK;
2063
1833 ev_start (EV_A_ (W)w, 1); 2064 ev_start (EV_A_ (W)w, 1);
1834 array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); 2065 array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1835 wlist_add (&anfds[fd].head, (WL)w); 2066 wlist_add (&anfds[fd].head, (WL)w);
1836 2067
1837 fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); 2068 fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);
1838 w->events &= ~EV_IOFDSET; 2069 w->events &= ~EV_IOFDSET;
2070
2071 EV_FREQUENT_CHECK;
1839} 2072}
1840 2073
1841void noinline 2074void noinline
1842ev_io_stop (EV_P_ ev_io *w) 2075ev_io_stop (EV_P_ ev_io *w)
1843{ 2076{
1844 clear_pending (EV_A_ (W)w); 2077 clear_pending (EV_A_ (W)w);
1845 if (expect_false (!ev_is_active (w))) 2078 if (expect_false (!ev_is_active (w)))
1846 return; 2079 return;
1847 2080
1848 assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); 2081 assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
2082
2083 EV_FREQUENT_CHECK;
1849 2084
1850 wlist_del (&anfds[w->fd].head, (WL)w); 2085 wlist_del (&anfds[w->fd].head, (WL)w);
1851 ev_stop (EV_A_ (W)w); 2086 ev_stop (EV_A_ (W)w);
1852 2087
1853 fd_change (EV_A_ w->fd, 1); 2088 fd_change (EV_A_ w->fd, 1);
2089
2090 EV_FREQUENT_CHECK;
1854} 2091}
1855 2092
1856void noinline 2093void noinline
1857ev_timer_start (EV_P_ ev_timer *w) 2094ev_timer_start (EV_P_ ev_timer *w)
1858{ 2095{
1859 if (expect_false (ev_is_active (w))) 2096 if (expect_false (ev_is_active (w)))
1860 return; 2097 return;
1861 2098
1862 ((WT)w)->at += mn_now; 2099 ev_at (w) += mn_now;
1863 2100
1864 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 2101 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1865 2102
2103 EV_FREQUENT_CHECK;
2104
2105 ++timercnt;
1866 ev_start (EV_A_ (W)w, ++timercnt); 2106 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
1867 array_needsize (WT, timers, timermax, timercnt, EMPTY2); 2107 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);
1868 timers [timercnt - 1] = (WT)w; 2108 ANHE_w (timers [ev_active (w)]) = (WT)w;
1869 upheap (timers, timercnt - 1); 2109 ANHE_at_cache (timers [ev_active (w)]);
2110 upheap (timers, ev_active (w));
1870 2111
2112 EV_FREQUENT_CHECK;
2113
1871 /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ 2114 /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
1872} 2115}
1873 2116
1874void noinline 2117void noinline
1875ev_timer_stop (EV_P_ ev_timer *w) 2118ev_timer_stop (EV_P_ ev_timer *w)
1876{ 2119{
1877 clear_pending (EV_A_ (W)w); 2120 clear_pending (EV_A_ (W)w);
1878 if (expect_false (!ev_is_active (w))) 2121 if (expect_false (!ev_is_active (w)))
1879 return; 2122 return;
1880 2123
1881 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); 2124 EV_FREQUENT_CHECK;
1882 2125
1883 { 2126 {
1884 int active = ((W)w)->active; 2127 int active = ev_active (w);
1885 2128
2129 assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
2130
2131 --timercnt;
2132
1886 if (expect_true (--active < --timercnt)) 2133 if (expect_true (active < timercnt + HEAP0))
1887 { 2134 {
1888 timers [active] = timers [timercnt]; 2135 timers [active] = timers [timercnt + HEAP0];
1889 adjustheap (timers, timercnt, active); 2136 adjustheap (timers, timercnt, active);
1890 } 2137 }
1891 } 2138 }
1892 2139
1893 ((WT)w)->at -= mn_now; 2140 EV_FREQUENT_CHECK;
2141
2142 ev_at (w) -= mn_now;
1894 2143
1895 ev_stop (EV_A_ (W)w); 2144 ev_stop (EV_A_ (W)w);
1896} 2145}
1897 2146
1898void noinline 2147void noinline
1899ev_timer_again (EV_P_ ev_timer *w) 2148ev_timer_again (EV_P_ ev_timer *w)
1900{ 2149{
2150 EV_FREQUENT_CHECK;
2151
1901 if (ev_is_active (w)) 2152 if (ev_is_active (w))
1902 { 2153 {
1903 if (w->repeat) 2154 if (w->repeat)
1904 { 2155 {
1905 ((WT)w)->at = mn_now + w->repeat; 2156 ev_at (w) = mn_now + w->repeat;
2157 ANHE_at_cache (timers [ev_active (w)]);
1906 adjustheap (timers, timercnt, ((W)w)->active - 1); 2158 adjustheap (timers, timercnt, ev_active (w));
1907 } 2159 }
1908 else 2160 else
1909 ev_timer_stop (EV_A_ w); 2161 ev_timer_stop (EV_A_ w);
1910 } 2162 }
1911 else if (w->repeat) 2163 else if (w->repeat)
1912 { 2164 {
1913 w->at = w->repeat; 2165 ev_at (w) = w->repeat;
1914 ev_timer_start (EV_A_ w); 2166 ev_timer_start (EV_A_ w);
1915 } 2167 }
2168
2169 EV_FREQUENT_CHECK;
1916} 2170}
1917 2171
1918#if EV_PERIODIC_ENABLE 2172#if EV_PERIODIC_ENABLE
1919void noinline 2173void noinline
1920ev_periodic_start (EV_P_ ev_periodic *w) 2174ev_periodic_start (EV_P_ ev_periodic *w)
1921{ 2175{
1922 if (expect_false (ev_is_active (w))) 2176 if (expect_false (ev_is_active (w)))
1923 return; 2177 return;
1924 2178
1925 if (w->reschedule_cb) 2179 if (w->reschedule_cb)
1926 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); 2180 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1927 else if (w->interval) 2181 else if (w->interval)
1928 { 2182 {
1929 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); 2183 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1930 /* this formula differs from the one in periodic_reify because we do not always round up */ 2184 /* this formula differs from the one in periodic_reify because we do not always round up */
1931 ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2185 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1932 } 2186 }
1933 else 2187 else
1934 ((WT)w)->at = w->offset; 2188 ev_at (w) = w->offset;
1935 2189
2190 EV_FREQUENT_CHECK;
2191
2192 ++periodiccnt;
1936 ev_start (EV_A_ (W)w, ++periodiccnt); 2193 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
1937 array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); 2194 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);
1938 periodics [periodiccnt - 1] = (WT)w; 2195 ANHE_w (periodics [ev_active (w)]) = (WT)w;
1939 upheap (periodics, periodiccnt - 1); 2196 ANHE_at_cache (periodics [ev_active (w)]);
2197 upheap (periodics, ev_active (w));
1940 2198
2199 EV_FREQUENT_CHECK;
2200
1941 /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ 2201 /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
1942} 2202}
1943 2203
1944void noinline 2204void noinline
1945ev_periodic_stop (EV_P_ ev_periodic *w) 2205ev_periodic_stop (EV_P_ ev_periodic *w)
1946{ 2206{
1947 clear_pending (EV_A_ (W)w); 2207 clear_pending (EV_A_ (W)w);
1948 if (expect_false (!ev_is_active (w))) 2208 if (expect_false (!ev_is_active (w)))
1949 return; 2209 return;
1950 2210
1951 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); 2211 EV_FREQUENT_CHECK;
1952 2212
1953 { 2213 {
1954 int active = ((W)w)->active; 2214 int active = ev_active (w);
1955 2215
2216 assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
2217
2218 --periodiccnt;
2219
1956 if (expect_true (--active < --periodiccnt)) 2220 if (expect_true (active < periodiccnt + HEAP0))
1957 { 2221 {
1958 periodics [active] = periodics [periodiccnt]; 2222 periodics [active] = periodics [periodiccnt + HEAP0];
1959 adjustheap (periodics, periodiccnt, active); 2223 adjustheap (periodics, periodiccnt, active);
1960 } 2224 }
1961 } 2225 }
1962 2226
2227 EV_FREQUENT_CHECK;
2228
1963 ev_stop (EV_A_ (W)w); 2229 ev_stop (EV_A_ (W)w);
1964} 2230}
1965 2231
1966void noinline 2232void noinline
1967ev_periodic_again (EV_P_ ev_periodic *w) 2233ev_periodic_again (EV_P_ ev_periodic *w)
… …
1986 return; 2252 return;
1987 2253
1988 assert (("ev_signal_start called with illegal signal number", w->signum > 0)); 2254 assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1989 2255
1990 evpipe_init (EV_A); 2256 evpipe_init (EV_A);
2257
2258 EV_FREQUENT_CHECK;
1991 2259
1992 { 2260 {
1993#ifndef _WIN32 2261#ifndef _WIN32
1994 sigset_t full, prev; 2262 sigset_t full, prev;
1995 sigfillset (&full); 2263 sigfillset (&full);
… …
2016 sigfillset (&sa.sa_mask); 2284 sigfillset (&sa.sa_mask);
2017 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ 2285 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2018 sigaction (w->signum, &sa, 0); 2286 sigaction (w->signum, &sa, 0);
2019#endif 2287#endif
2020 } 2288 }
2289
2290 EV_FREQUENT_CHECK;
2021} 2291}
2022 2292
2023void noinline 2293void noinline
2024ev_signal_stop (EV_P_ ev_signal *w) 2294ev_signal_stop (EV_P_ ev_signal *w)
2025{ 2295{
2026 clear_pending (EV_A_ (W)w); 2296 clear_pending (EV_A_ (W)w);
2027 if (expect_false (!ev_is_active (w))) 2297 if (expect_false (!ev_is_active (w)))
2028 return; 2298 return;
2029 2299
2300 EV_FREQUENT_CHECK;
2301
2030 wlist_del (&signals [w->signum - 1].head, (WL)w); 2302 wlist_del (&signals [w->signum - 1].head, (WL)w);
2031 ev_stop (EV_A_ (W)w); 2303 ev_stop (EV_A_ (W)w);
2032 2304
2033 if (!signals [w->signum - 1].head) 2305 if (!signals [w->signum - 1].head)
2034 signal (w->signum, SIG_DFL); 2306 signal (w->signum, SIG_DFL);
2307
2308 EV_FREQUENT_CHECK;
2035} 2309}
2036 2310
2037void 2311void
2038ev_child_start (EV_P_ ev_child *w) 2312ev_child_start (EV_P_ ev_child *w)
2039{ 2313{
… …
2041 assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 2315 assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2042#endif 2316#endif
2043 if (expect_false (ev_is_active (w))) 2317 if (expect_false (ev_is_active (w)))
2044 return; 2318 return;
2045 2319
2320 EV_FREQUENT_CHECK;
2321
2046 ev_start (EV_A_ (W)w, 1); 2322 ev_start (EV_A_ (W)w, 1);
2047 wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2323 wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
2324
2325 EV_FREQUENT_CHECK;
2048} 2326}
2049 2327
2050void 2328void
2051ev_child_stop (EV_P_ ev_child *w) 2329ev_child_stop (EV_P_ ev_child *w)
2052{ 2330{
2053 clear_pending (EV_A_ (W)w); 2331 clear_pending (EV_A_ (W)w);
2054 if (expect_false (!ev_is_active (w))) 2332 if (expect_false (!ev_is_active (w)))
2055 return; 2333 return;
2056 2334
2335 EV_FREQUENT_CHECK;
2336
2057 wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2337 wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
2058 ev_stop (EV_A_ (W)w); 2338 ev_stop (EV_A_ (W)w);
2339
2340 EV_FREQUENT_CHECK;
2059} 2341}
2060 2342
2061#if EV_STAT_ENABLE 2343#if EV_STAT_ENABLE
2062 2344
2063# ifdef _WIN32 2345# ifdef _WIN32
… …
2081 if (w->wd < 0) 2363 if (w->wd < 0)
2082 { 2364 {
2083 ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ 2365 ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
2084 2366
2085 /* monitor some parent directory for speedup hints */ 2367 /* monitor some parent directory for speedup hints */
2368 /* note that exceeding the hardcoded limit is not a correctness issue, */
2369 /* but an efficiency issue only */
2086 if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) 2370 if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)
2087 { 2371 {
2088 char path [4096]; 2372 char path [4096];
2089 strcpy (path, w->path); 2373 strcpy (path, w->path);
2090 2374
… …
2289 else 2573 else
2290#endif 2574#endif
2291 ev_timer_start (EV_A_ &w->timer); 2575 ev_timer_start (EV_A_ &w->timer);
2292 2576
2293 ev_start (EV_A_ (W)w, 1); 2577 ev_start (EV_A_ (W)w, 1);
2578
2579 EV_FREQUENT_CHECK;
2294} 2580}
2295 2581
2296void 2582void
2297ev_stat_stop (EV_P_ ev_stat *w) 2583ev_stat_stop (EV_P_ ev_stat *w)
2298{ 2584{
2299 clear_pending (EV_A_ (W)w); 2585 clear_pending (EV_A_ (W)w);
2300 if (expect_false (!ev_is_active (w))) 2586 if (expect_false (!ev_is_active (w)))
2301 return; 2587 return;
2302 2588
2589 EV_FREQUENT_CHECK;
2590
2303#if EV_USE_INOTIFY 2591#if EV_USE_INOTIFY
2304 infy_del (EV_A_ w); 2592 infy_del (EV_A_ w);
2305#endif 2593#endif
2306 ev_timer_stop (EV_A_ &w->timer); 2594 ev_timer_stop (EV_A_ &w->timer);
2307 2595
2308 ev_stop (EV_A_ (W)w); 2596 ev_stop (EV_A_ (W)w);
2597
2598 EV_FREQUENT_CHECK;
2309} 2599}
2310#endif 2600#endif
2311 2601
2312#if EV_IDLE_ENABLE 2602#if EV_IDLE_ENABLE
2313void 2603void
… …
2315{ 2605{
2316 if (expect_false (ev_is_active (w))) 2606 if (expect_false (ev_is_active (w)))
2317 return; 2607 return;
2318 2608
2319 pri_adjust (EV_A_ (W)w); 2609 pri_adjust (EV_A_ (W)w);
2610
2611 EV_FREQUENT_CHECK;
2320 2612
2321 { 2613 {
2322 int active = ++idlecnt [ABSPRI (w)]; 2614 int active = ++idlecnt [ABSPRI (w)];
2323 2615
2324 ++idleall; 2616 ++idleall;
2325 ev_start (EV_A_ (W)w, active); 2617 ev_start (EV_A_ (W)w, active);
2326 2618
2327 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); 2619 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);
2328 idles [ABSPRI (w)][active - 1] = w; 2620 idles [ABSPRI (w)][active - 1] = w;
2329 } 2621 }
2622
2623 EV_FREQUENT_CHECK;
2330} 2624}
2331 2625
2332void 2626void
2333ev_idle_stop (EV_P_ ev_idle *w) 2627ev_idle_stop (EV_P_ ev_idle *w)
2334{ 2628{
2335 clear_pending (EV_A_ (W)w); 2629 clear_pending (EV_A_ (W)w);
2336 if (expect_false (!ev_is_active (w))) 2630 if (expect_false (!ev_is_active (w)))
2337 return; 2631 return;
2338 2632
2633 EV_FREQUENT_CHECK;
2634
2339 { 2635 {
2340 int active = ((W)w)->active; 2636 int active = ev_active (w);
2341 2637
2342 idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; 2638 idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
2343 ((W)idles [ABSPRI (w)][active - 1])->active = active; 2639 ev_active (idles [ABSPRI (w)][active - 1]) = active;
2344 2640
2345 ev_stop (EV_A_ (W)w); 2641 ev_stop (EV_A_ (W)w);
2346 --idleall; 2642 --idleall;
2347 } 2643 }
2644
2645 EV_FREQUENT_CHECK;
2348} 2646}
2349#endif 2647#endif
2350 2648
2351void 2649void
2352ev_prepare_start (EV_P_ ev_prepare *w) 2650ev_prepare_start (EV_P_ ev_prepare *w)
2353{ 2651{
2354 if (expect_false (ev_is_active (w))) 2652 if (expect_false (ev_is_active (w)))
2355 return; 2653 return;
2654
2655 EV_FREQUENT_CHECK;
2356 2656
2357 ev_start (EV_A_ (W)w, ++preparecnt); 2657 ev_start (EV_A_ (W)w, ++preparecnt);
2358 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); 2658 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
2359 prepares [preparecnt - 1] = w; 2659 prepares [preparecnt - 1] = w;
2660
2661 EV_FREQUENT_CHECK;
2360} 2662}
2361 2663
2362void 2664void
2363ev_prepare_stop (EV_P_ ev_prepare *w) 2665ev_prepare_stop (EV_P_ ev_prepare *w)
2364{ 2666{
2365 clear_pending (EV_A_ (W)w); 2667 clear_pending (EV_A_ (W)w);
2366 if (expect_false (!ev_is_active (w))) 2668 if (expect_false (!ev_is_active (w)))
2367 return; 2669 return;
2368 2670
2671 EV_FREQUENT_CHECK;
2672
2369 { 2673 {
2370 int active = ((W)w)->active; 2674 int active = ev_active (w);
2675
2371 prepares [active - 1] = prepares [--preparecnt]; 2676 prepares [active - 1] = prepares [--preparecnt];
2372 ((W)prepares [active - 1])->active = active; 2677 ev_active (prepares [active - 1]) = active;
2373 } 2678 }
2374 2679
2375 ev_stop (EV_A_ (W)w); 2680 ev_stop (EV_A_ (W)w);
2681
2682 EV_FREQUENT_CHECK;
2376} 2683}
2377 2684
2378void 2685void
2379ev_check_start (EV_P_ ev_check *w) 2686ev_check_start (EV_P_ ev_check *w)
2380{ 2687{
2381 if (expect_false (ev_is_active (w))) 2688 if (expect_false (ev_is_active (w)))
2382 return; 2689 return;
2690
2691 EV_FREQUENT_CHECK;
2383 2692
2384 ev_start (EV_A_ (W)w, ++checkcnt); 2693 ev_start (EV_A_ (W)w, ++checkcnt);
2385 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); 2694 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
2386 checks [checkcnt - 1] = w; 2695 checks [checkcnt - 1] = w;
2696
2697 EV_FREQUENT_CHECK;
2387} 2698}
2388 2699
2389void 2700void
2390ev_check_stop (EV_P_ ev_check *w) 2701ev_check_stop (EV_P_ ev_check *w)
2391{ 2702{
2392 clear_pending (EV_A_ (W)w); 2703 clear_pending (EV_A_ (W)w);
2393 if (expect_false (!ev_is_active (w))) 2704 if (expect_false (!ev_is_active (w)))
2394 return; 2705 return;
2395 2706
2707 EV_FREQUENT_CHECK;
2708
2396 { 2709 {
2397 int active = ((W)w)->active; 2710 int active = ev_active (w);
2711
2398 checks [active - 1] = checks [--checkcnt]; 2712 checks [active - 1] = checks [--checkcnt];
2399 ((W)checks [active - 1])->active = active; 2713 ev_active (checks [active - 1]) = active;
2400 } 2714 }
2401 2715
2402 ev_stop (EV_A_ (W)w); 2716 ev_stop (EV_A_ (W)w);
2717
2718 EV_FREQUENT_CHECK;
2403} 2719}
2404 2720
2405#if EV_EMBED_ENABLE 2721#if EV_EMBED_ENABLE
2406void noinline 2722void noinline
2407ev_embed_sweep (EV_P_ ev_embed *w) 2723ev_embed_sweep (EV_P_ ev_embed *w)
… …
2454 struct ev_loop *loop = w->other; 2770 struct ev_loop *loop = w->other;
2455 assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); 2771 assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2456 ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); 2772 ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2457 } 2773 }
2458 2774
2775 EV_FREQUENT_CHECK;
2776
2459 ev_set_priority (&w->io, ev_priority (w)); 2777 ev_set_priority (&w->io, ev_priority (w));
2460 ev_io_start (EV_A_ &w->io); 2778 ev_io_start (EV_A_ &w->io);
2461 2779
2462 ev_prepare_init (&w->prepare, embed_prepare_cb); 2780 ev_prepare_init (&w->prepare, embed_prepare_cb);
2463 ev_set_priority (&w->prepare, EV_MINPRI); 2781 ev_set_priority (&w->prepare, EV_MINPRI);
2464 ev_prepare_start (EV_A_ &w->prepare); 2782 ev_prepare_start (EV_A_ &w->prepare);
2465 2783
2466 /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ 2784 /*ev_idle_init (&w->idle, e,bed_idle_cb);*/
2467 2785
2468 ev_start (EV_A_ (W)w, 1); 2786 ev_start (EV_A_ (W)w, 1);
2787
2788 EV_FREQUENT_CHECK;
2469} 2789}
2470 2790
2471void 2791void
2472ev_embed_stop (EV_P_ ev_embed *w) 2792ev_embed_stop (EV_P_ ev_embed *w)
2473{ 2793{
2474 clear_pending (EV_A_ (W)w); 2794 clear_pending (EV_A_ (W)w);
2475 if (expect_false (!ev_is_active (w))) 2795 if (expect_false (!ev_is_active (w)))
2476 return; 2796 return;
2477 2797
2798 EV_FREQUENT_CHECK;
2799
2478 ev_io_stop (EV_A_ &w->io); 2800 ev_io_stop (EV_A_ &w->io);
2479 ev_prepare_stop (EV_A_ &w->prepare); 2801 ev_prepare_stop (EV_A_ &w->prepare);
2480 2802
2481 ev_stop (EV_A_ (W)w); 2803 ev_stop (EV_A_ (W)w);
2804
2805 EV_FREQUENT_CHECK;
2482} 2806}
2483#endif 2807#endif
2484 2808
2485#if EV_FORK_ENABLE 2809#if EV_FORK_ENABLE
2486void 2810void
2487ev_fork_start (EV_P_ ev_fork *w) 2811ev_fork_start (EV_P_ ev_fork *w)
2488{ 2812{
2489 if (expect_false (ev_is_active (w))) 2813 if (expect_false (ev_is_active (w)))
2490 return; 2814 return;
2815
2816 EV_FREQUENT_CHECK;
2491 2817
2492 ev_start (EV_A_ (W)w, ++forkcnt); 2818 ev_start (EV_A_ (W)w, ++forkcnt);
2493 array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); 2819 array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);
2494 forks [forkcnt - 1] = w; 2820 forks [forkcnt - 1] = w;
2821
2822 EV_FREQUENT_CHECK;
2495} 2823}
2496 2824
2497void 2825void
2498ev_fork_stop (EV_P_ ev_fork *w) 2826ev_fork_stop (EV_P_ ev_fork *w)
2499{ 2827{
2500 clear_pending (EV_A_ (W)w); 2828 clear_pending (EV_A_ (W)w);
2501 if (expect_false (!ev_is_active (w))) 2829 if (expect_false (!ev_is_active (w)))
2502 return; 2830 return;
2503 2831
2832 EV_FREQUENT_CHECK;
2833
2504 { 2834 {
2505 int active = ((W)w)->active; 2835 int active = ev_active (w);
2836
2506 forks [active - 1] = forks [--forkcnt]; 2837 forks [active - 1] = forks [--forkcnt];
2507 ((W)forks [active - 1])->active = active; 2838 ev_active (forks [active - 1]) = active;
2508 } 2839 }
2509 2840
2510 ev_stop (EV_A_ (W)w); 2841 ev_stop (EV_A_ (W)w);
2842
2843 EV_FREQUENT_CHECK;
2511} 2844}
2512#endif 2845#endif
2513 2846
2514#if EV_ASYNC_ENABLE 2847#if EV_ASYNC_ENABLE
2515void 2848void
… …
2517{ 2850{
2518 if (expect_false (ev_is_active (w))) 2851 if (expect_false (ev_is_active (w)))
2519 return; 2852 return;
2520 2853
2521 evpipe_init (EV_A); 2854 evpipe_init (EV_A);
2855
2856 EV_FREQUENT_CHECK;
2522 2857
2523 ev_start (EV_A_ (W)w, ++asynccnt); 2858 ev_start (EV_A_ (W)w, ++asynccnt);
2524 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); 2859 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);
2525 asyncs [asynccnt - 1] = w; 2860 asyncs [asynccnt - 1] = w;
2861
2862 EV_FREQUENT_CHECK;
2526} 2863}
2527 2864
2528void 2865void
2529ev_async_stop (EV_P_ ev_async *w) 2866ev_async_stop (EV_P_ ev_async *w)
2530{ 2867{
2531 clear_pending (EV_A_ (W)w); 2868 clear_pending (EV_A_ (W)w);
2532 if (expect_false (!ev_is_active (w))) 2869 if (expect_false (!ev_is_active (w)))
2533 return; 2870 return;
2534 2871
2872 EV_FREQUENT_CHECK;
2873
2535 { 2874 {
2536 int active = ((W)w)->active; 2875 int active = ev_active (w);
2876
2537 asyncs [active - 1] = asyncs [--asynccnt]; 2877 asyncs [active - 1] = asyncs [--asynccnt];
2538 ((W)asyncs [active - 1])->active = active; 2878 ev_active (asyncs [active - 1]) = active;
2539 } 2879 }
2540 2880
2541 ev_stop (EV_A_ (W)w); 2881 ev_stop (EV_A_ (W)w);
2882
2883 EV_FREQUENT_CHECK;
2542} 2884}
2543 2885
2544void 2886void
2545ev_async_send (EV_P_ ev_async *w) 2887ev_async_send (EV_P_ ev_async *w)
2546{ 2888{

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