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Comparing libev/ev.c (file contents):
Revision 1.118 by root, Fri Nov 16 01:33:54 2007 UTC vs.
Revision 1.128 by root, Thu Nov 22 12:28:27 2007 UTC

… …
41# define EV_USE_MONOTONIC 1 41# define EV_USE_MONOTONIC 1
42# endif 42# endif
43# ifndef EV_USE_REALTIME 43# ifndef EV_USE_REALTIME
44# define EV_USE_REALTIME 1 44# define EV_USE_REALTIME 1
45# endif 45# endif
46# else
47# ifndef EV_USE_MONOTONIC
48# define EV_USE_MONOTONIC 0
49# endif
50# ifndef EV_USE_REALTIME
51# define EV_USE_REALTIME 0
52# endif
46# endif 53# endif
47 54
48# if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT) 55# ifndef EV_USE_SELECT
56# if HAVE_SELECT && HAVE_SYS_SELECT_H
49# define EV_USE_SELECT 1 57# define EV_USE_SELECT 1
58# else
59# define EV_USE_SELECT 0
60# endif
50# endif 61# endif
51 62
52# if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL) 63# ifndef EV_USE_POLL
64# if HAVE_POLL && HAVE_POLL_H
53# define EV_USE_POLL 1 65# define EV_USE_POLL 1
66# else
67# define EV_USE_POLL 0
68# endif
54# endif 69# endif
55 70
56# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL) 71# ifndef EV_USE_EPOLL
72# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
57# define EV_USE_EPOLL 1 73# define EV_USE_EPOLL 1
74# else
75# define EV_USE_EPOLL 0
76# endif
58# endif 77# endif
59 78
79# ifndef EV_USE_KQUEUE
60# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE) 80# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H
61# define EV_USE_KQUEUE 1 81# define EV_USE_KQUEUE 1
82# else
83# define EV_USE_KQUEUE 0
84# endif
62# endif 85# endif
63 86
64# if HAVE_PORT_H && HAVE_PORT_H && HAVE_PORT_CREATE && !defined (EV_USE_PORT) 87# ifndef EV_USE_PORT
88# if HAVE_PORT_H && HAVE_PORT_CREATE
65# define EV_USE_PORT 1 89# define EV_USE_PORT 1
90# else
91# define EV_USE_PORT 0
92# endif
66# endif 93# endif
67 94
68#endif 95#endif
69 96
70#include <math.h> 97#include <math.h>
… …
94#endif 121#endif
95 122
96/**/ 123/**/
97 124
98#ifndef EV_USE_MONOTONIC 125#ifndef EV_USE_MONOTONIC
99# define EV_USE_MONOTONIC 1 126# define EV_USE_MONOTONIC 0
100#endif 127#endif
101 128
102#ifndef EV_USE_REALTIME 129#ifndef EV_USE_REALTIME
103# define EV_USE_REALTIME 1 130# define EV_USE_REALTIME 0
104#endif 131#endif
105 132
106#ifndef EV_USE_SELECT 133#ifndef EV_USE_SELECT
107# define EV_USE_SELECT 1 134# define EV_USE_SELECT 1
108# define EV_SELECT_USE_FD_SET 1
109#endif 135#endif
110 136
111#ifndef EV_USE_POLL 137#ifndef EV_USE_POLL
112# ifdef _WIN32 138# ifdef _WIN32
113# define EV_USE_POLL 0 139# define EV_USE_POLL 0
… …
151#endif 177#endif
152 178
153/**/ 179/**/
154 180
155#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ 181#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
156#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ 182#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
157#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ 183#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */
158/*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ 184/*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */
159 185
160#ifdef EV_H 186#ifdef EV_H
161# include EV_H 187# include EV_H
162#else 188#else
163# include "ev.h" 189# include "ev.h"
164#endif 190#endif
165 191
166#if __GNUC__ >= 3 192#if __GNUC__ >= 3
167# define expect(expr,value) __builtin_expect ((expr),(value)) 193# define expect(expr,value) __builtin_expect ((expr),(value))
168# define inline inline 194# define inline static inline
169#else 195#else
170# define expect(expr,value) (expr) 196# define expect(expr,value) (expr)
171# define inline static 197# define inline static
172#endif 198#endif
173 199
… …
367void 393void
368ev_feed_event (EV_P_ void *w, int revents) 394ev_feed_event (EV_P_ void *w, int revents)
369{ 395{
370 W w_ = (W)w; 396 W w_ = (W)w;
371 397
372 if (w_->pending) 398 if (expect_false (w_->pending))
373 { 399 {
374 pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; 400 pendings [ABSPRI (w_)][w_->pending - 1].events |= revents;
375 return; 401 return;
376 } 402 }
377 403
… …
411 fd_event (EV_A_ fd, revents); 437 fd_event (EV_A_ fd, revents);
412} 438}
413 439
414/*****************************************************************************/ 440/*****************************************************************************/
415 441
416static void 442inline void
417fd_reify (EV_P) 443fd_reify (EV_P)
418{ 444{
419 int i; 445 int i;
420 446
421 for (i = 0; i < fdchangecnt; ++i) 447 for (i = 0; i < fdchangecnt; ++i)
… …
448} 474}
449 475
450static void 476static void
451fd_change (EV_P_ int fd) 477fd_change (EV_P_ int fd)
452{ 478{
453 if (anfds [fd].reify) 479 if (expect_false (anfds [fd].reify))
454 return; 480 return;
455 481
456 anfds [fd].reify = 1; 482 anfds [fd].reify = 1;
457 483
458 ++fdchangecnt; 484 ++fdchangecnt;
… …
470 ev_io_stop (EV_A_ w); 496 ev_io_stop (EV_A_ w);
471 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); 497 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
472 } 498 }
473} 499}
474 500
475static int 501inline int
476fd_valid (int fd) 502fd_valid (int fd)
477{ 503{
478#ifdef _WIN32 504#ifdef _WIN32
479 return _get_osfhandle (fd) != -1; 505 return _get_osfhandle (fd) != -1;
480#else 506#else
… …
649 for (signum = signalmax; signum--; ) 675 for (signum = signalmax; signum--; )
650 if (signals [signum].gotsig) 676 if (signals [signum].gotsig)
651 ev_feed_signal_event (EV_A_ signum + 1); 677 ev_feed_signal_event (EV_A_ signum + 1);
652} 678}
653 679
654inline void 680static void
655fd_intern (int fd) 681fd_intern (int fd)
656{ 682{
657#ifdef _WIN32 683#ifdef _WIN32
658 int arg = 1; 684 int arg = 1;
659 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); 685 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
… …
782 ev_rt_now = ev_time (); 808 ev_rt_now = ev_time ();
783 mn_now = get_clock (); 809 mn_now = get_clock ();
784 now_floor = mn_now; 810 now_floor = mn_now;
785 rtmn_diff = ev_rt_now - mn_now; 811 rtmn_diff = ev_rt_now - mn_now;
786 812
787 if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS")) 813 if (!(flags & EVFLAG_NOENV)
814 && !enable_secure ()
815 && getenv ("LIBEV_FLAGS"))
788 flags = atoi (getenv ("LIBEV_FLAGS")); 816 flags = atoi (getenv ("LIBEV_FLAGS"));
789 817
790 if (!(flags & 0x0000ffff)) 818 if (!(flags & EVMETHOD_ALL))
791 flags |= 0x0000ffff; 819 {
820 flags |= EVMETHOD_ALL;
821#if EV_USE_KQUEUE && !defined (__NetBSD__)
822 /* kqueue is borked on everything but netbsd apparently */
823 /* it usually doesn't work correctly on anything but sockets and pipes */
824 flags &= ~EVMETHOD_KQUEUE;
825#endif
826 }
792 827
793 method = 0; 828 method = 0;
794#if EV_USE_PORT 829#if EV_USE_PORT
795 if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags); 830 if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags);
796#endif 831#endif
… …
810 ev_init (&sigev, sigcb); 845 ev_init (&sigev, sigcb);
811 ev_set_priority (&sigev, EV_MAXPRI); 846 ev_set_priority (&sigev, EV_MAXPRI);
812 } 847 }
813} 848}
814 849
815void 850static void
816loop_destroy (EV_P) 851loop_destroy (EV_P)
817{ 852{
818 int i; 853 int i;
819 854
820#if EV_USE_PORT 855#if EV_USE_PORT
… …
911 946
912#endif 947#endif
913 948
914#if EV_MULTIPLICITY 949#if EV_MULTIPLICITY
915struct ev_loop * 950struct ev_loop *
916ev_default_loop_ (unsigned int flags) 951ev_default_loop_init (unsigned int flags)
917#else 952#else
918int 953int
919ev_default_loop (unsigned int flags) 954ev_default_loop (unsigned int flags)
920#endif 955#endif
921{ 956{
… …
995 return 1; 1030 return 1;
996 1031
997 return 0; 1032 return 0;
998} 1033}
999 1034
1000static void 1035inline void
1001call_pending (EV_P) 1036call_pending (EV_P)
1002{ 1037{
1003 int pri; 1038 int pri;
1004 1039
1005 for (pri = NUMPRI; pri--; ) 1040 for (pri = NUMPRI; pri--; )
1006 while (pendingcnt [pri]) 1041 while (pendingcnt [pri])
1007 { 1042 {
1008 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 1043 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
1009 1044
1010 if (p->w) 1045 if (expect_true (p->w))
1011 { 1046 {
1012 p->w->pending = 0; 1047 p->w->pending = 0;
1013 EV_CB_INVOKE (p->w, p->events); 1048 EV_CB_INVOKE (p->w, p->events);
1014 } 1049 }
1015 } 1050 }
1016} 1051}
1017 1052
1018static void 1053inline void
1019timers_reify (EV_P) 1054timers_reify (EV_P)
1020{ 1055{
1021 while (timercnt && ((WT)timers [0])->at <= mn_now) 1056 while (timercnt && ((WT)timers [0])->at <= mn_now)
1022 { 1057 {
1023 struct ev_timer *w = timers [0]; 1058 struct ev_timer *w = timers [0];
… …
1041 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); 1076 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1042 } 1077 }
1043} 1078}
1044 1079
1045#if EV_PERIODICS 1080#if EV_PERIODICS
1046static void 1081inline void
1047periodics_reify (EV_P) 1082periodics_reify (EV_P)
1048{ 1083{
1049 while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) 1084 while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1050 { 1085 {
1051 struct ev_periodic *w = periodics [0]; 1086 struct ev_periodic *w = periodics [0];
… …
1110 ev_rt_now = ev_time (); 1145 ev_rt_now = ev_time ();
1111 return 1; 1146 return 1;
1112 } 1147 }
1113} 1148}
1114 1149
1115static void 1150inline void
1116time_update (EV_P) 1151time_update (EV_P)
1117{ 1152{
1118 int i; 1153 int i;
1119 1154
1120#if EV_USE_MONOTONIC 1155#if EV_USE_MONOTONIC
… …
1231 ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; 1266 ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
1232 if (block > to) block = to; 1267 if (block > to) block = to;
1233 } 1268 }
1234#endif 1269#endif
1235 1270
1236 if (block < 0.) block = 0.; 1271 if (expect_false (block < 0.)) block = 0.;
1237 } 1272 }
1238 1273
1239 method_poll (EV_A_ block); 1274 method_poll (EV_A_ block);
1240 1275
1241 /* update ev_rt_now, do magic */ 1276 /* update ev_rt_now, do magic */
… …
1250 /* queue idle watchers unless io or timers are pending */ 1285 /* queue idle watchers unless io or timers are pending */
1251 if (idlecnt && !any_pending (EV_A)) 1286 if (idlecnt && !any_pending (EV_A))
1252 queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); 1287 queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
1253 1288
1254 /* queue check watchers, to be executed first */ 1289 /* queue check watchers, to be executed first */
1255 if (checkcnt) 1290 if (expect_false (checkcnt))
1256 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 1291 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1257 1292
1258 call_pending (EV_A); 1293 call_pending (EV_A);
1259 1294
1260 if (loop_done) 1295 if (expect_false (loop_done))
1261 break; 1296 break;
1262 } 1297 }
1263 1298
1264 if (loop_done != 2) 1299 if (loop_done != 2)
1265 loop_done = 0; 1300 loop_done = 0;
… …
1327void 1362void
1328ev_io_start (EV_P_ struct ev_io *w) 1363ev_io_start (EV_P_ struct ev_io *w)
1329{ 1364{
1330 int fd = w->fd; 1365 int fd = w->fd;
1331 1366
1332 if (ev_is_active (w)) 1367 if (expect_false (ev_is_active (w)))
1333 return; 1368 return;
1334 1369
1335 assert (("ev_io_start called with negative fd", fd >= 0)); 1370 assert (("ev_io_start called with negative fd", fd >= 0));
1336 1371
1337 ev_start (EV_A_ (W)w, 1); 1372 ev_start (EV_A_ (W)w, 1);
… …
1343 1378
1344void 1379void
1345ev_io_stop (EV_P_ struct ev_io *w) 1380ev_io_stop (EV_P_ struct ev_io *w)
1346{ 1381{
1347 ev_clear_pending (EV_A_ (W)w); 1382 ev_clear_pending (EV_A_ (W)w);
1348 if (!ev_is_active (w)) 1383 if (expect_false (!ev_is_active (w)))
1349 return; 1384 return;
1350 1385
1351 assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); 1386 assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1352 1387
1353 wlist_del ((WL *)&anfds[w->fd].head, (WL)w); 1388 wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
… …
1357} 1392}
1358 1393
1359void 1394void
1360ev_timer_start (EV_P_ struct ev_timer *w) 1395ev_timer_start (EV_P_ struct ev_timer *w)
1361{ 1396{
1362 if (ev_is_active (w)) 1397 if (expect_false (ev_is_active (w)))
1363 return; 1398 return;
1364 1399
1365 ((WT)w)->at += mn_now; 1400 ((WT)w)->at += mn_now;
1366 1401
1367 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 1402 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
… …
1376 1411
1377void 1412void
1378ev_timer_stop (EV_P_ struct ev_timer *w) 1413ev_timer_stop (EV_P_ struct ev_timer *w)
1379{ 1414{
1380 ev_clear_pending (EV_A_ (W)w); 1415 ev_clear_pending (EV_A_ (W)w);
1381 if (!ev_is_active (w)) 1416 if (expect_false (!ev_is_active (w)))
1382 return; 1417 return;
1383 1418
1384 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); 1419 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1385 1420
1386 if (((W)w)->active < timercnt--) 1421 if (expect_true (((W)w)->active < timercnt--))
1387 { 1422 {
1388 timers [((W)w)->active - 1] = timers [timercnt]; 1423 timers [((W)w)->active - 1] = timers [timercnt];
1389 adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); 1424 adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1390 } 1425 }
1391 1426
… …
1416 1451
1417#if EV_PERIODICS 1452#if EV_PERIODICS
1418void 1453void
1419ev_periodic_start (EV_P_ struct ev_periodic *w) 1454ev_periodic_start (EV_P_ struct ev_periodic *w)
1420{ 1455{
1421 if (ev_is_active (w)) 1456 if (expect_false (ev_is_active (w)))
1422 return; 1457 return;
1423 1458
1424 if (w->reschedule_cb) 1459 if (w->reschedule_cb)
1425 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); 1460 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1426 else if (w->interval) 1461 else if (w->interval)
… …
1440 1475
1441void 1476void
1442ev_periodic_stop (EV_P_ struct ev_periodic *w) 1477ev_periodic_stop (EV_P_ struct ev_periodic *w)
1443{ 1478{
1444 ev_clear_pending (EV_A_ (W)w); 1479 ev_clear_pending (EV_A_ (W)w);
1445 if (!ev_is_active (w)) 1480 if (expect_false (!ev_is_active (w)))
1446 return; 1481 return;
1447 1482
1448 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); 1483 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1449 1484
1450 if (((W)w)->active < periodiccnt--) 1485 if (expect_true (((W)w)->active < periodiccnt--))
1451 { 1486 {
1452 periodics [((W)w)->active - 1] = periodics [periodiccnt]; 1487 periodics [((W)w)->active - 1] = periodics [periodiccnt];
1453 adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); 1488 adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1454 } 1489 }
1455 1490
… …
1466#endif 1501#endif
1467 1502
1468void 1503void
1469ev_idle_start (EV_P_ struct ev_idle *w) 1504ev_idle_start (EV_P_ struct ev_idle *w)
1470{ 1505{
1471 if (ev_is_active (w)) 1506 if (expect_false (ev_is_active (w)))
1472 return; 1507 return;
1473 1508
1474 ev_start (EV_A_ (W)w, ++idlecnt); 1509 ev_start (EV_A_ (W)w, ++idlecnt);
1475 array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); 1510 array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1476 idles [idlecnt - 1] = w; 1511 idles [idlecnt - 1] = w;
… …
1478 1513
1479void 1514void
1480ev_idle_stop (EV_P_ struct ev_idle *w) 1515ev_idle_stop (EV_P_ struct ev_idle *w)
1481{ 1516{
1482 ev_clear_pending (EV_A_ (W)w); 1517 ev_clear_pending (EV_A_ (W)w);
1483 if (!ev_is_active (w)) 1518 if (expect_false (!ev_is_active (w)))
1484 return; 1519 return;
1485 1520
1486 idles [((W)w)->active - 1] = idles [--idlecnt]; 1521 idles [((W)w)->active - 1] = idles [--idlecnt];
1487 ev_stop (EV_A_ (W)w); 1522 ev_stop (EV_A_ (W)w);
1488} 1523}
1489 1524
1490void 1525void
1491ev_prepare_start (EV_P_ struct ev_prepare *w) 1526ev_prepare_start (EV_P_ struct ev_prepare *w)
1492{ 1527{
1493 if (ev_is_active (w)) 1528 if (expect_false (ev_is_active (w)))
1494 return; 1529 return;
1495 1530
1496 ev_start (EV_A_ (W)w, ++preparecnt); 1531 ev_start (EV_A_ (W)w, ++preparecnt);
1497 array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); 1532 array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1498 prepares [preparecnt - 1] = w; 1533 prepares [preparecnt - 1] = w;
… …
1500 1535
1501void 1536void
1502ev_prepare_stop (EV_P_ struct ev_prepare *w) 1537ev_prepare_stop (EV_P_ struct ev_prepare *w)
1503{ 1538{
1504 ev_clear_pending (EV_A_ (W)w); 1539 ev_clear_pending (EV_A_ (W)w);
1505 if (!ev_is_active (w)) 1540 if (expect_false (!ev_is_active (w)))
1506 return; 1541 return;
1507 1542
1508 prepares [((W)w)->active - 1] = prepares [--preparecnt]; 1543 prepares [((W)w)->active - 1] = prepares [--preparecnt];
1509 ev_stop (EV_A_ (W)w); 1544 ev_stop (EV_A_ (W)w);
1510} 1545}
1511 1546
1512void 1547void
1513ev_check_start (EV_P_ struct ev_check *w) 1548ev_check_start (EV_P_ struct ev_check *w)
1514{ 1549{
1515 if (ev_is_active (w)) 1550 if (expect_false (ev_is_active (w)))
1516 return; 1551 return;
1517 1552
1518 ev_start (EV_A_ (W)w, ++checkcnt); 1553 ev_start (EV_A_ (W)w, ++checkcnt);
1519 array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); 1554 array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2);
1520 checks [checkcnt - 1] = w; 1555 checks [checkcnt - 1] = w;
… …
1522 1557
1523void 1558void
1524ev_check_stop (EV_P_ struct ev_check *w) 1559ev_check_stop (EV_P_ struct ev_check *w)
1525{ 1560{
1526 ev_clear_pending (EV_A_ (W)w); 1561 ev_clear_pending (EV_A_ (W)w);
1527 if (!ev_is_active (w)) 1562 if (expect_false (!ev_is_active (w)))
1528 return; 1563 return;
1529 1564
1530 checks [((W)w)->active - 1] = checks [--checkcnt]; 1565 checks [((W)w)->active - 1] = checks [--checkcnt];
1531 ev_stop (EV_A_ (W)w); 1566 ev_stop (EV_A_ (W)w);
1532} 1567}
… …
1539ev_signal_start (EV_P_ struct ev_signal *w) 1574ev_signal_start (EV_P_ struct ev_signal *w)
1540{ 1575{
1541#if EV_MULTIPLICITY 1576#if EV_MULTIPLICITY
1542 assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 1577 assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1543#endif 1578#endif
1544 if (ev_is_active (w)) 1579 if (expect_false (ev_is_active (w)))
1545 return; 1580 return;
1546 1581
1547 assert (("ev_signal_start called with illegal signal number", w->signum > 0)); 1582 assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1548 1583
1549 ev_start (EV_A_ (W)w, 1); 1584 ev_start (EV_A_ (W)w, 1);
… …
1566 1601
1567void 1602void
1568ev_signal_stop (EV_P_ struct ev_signal *w) 1603ev_signal_stop (EV_P_ struct ev_signal *w)
1569{ 1604{
1570 ev_clear_pending (EV_A_ (W)w); 1605 ev_clear_pending (EV_A_ (W)w);
1571 if (!ev_is_active (w)) 1606 if (expect_false (!ev_is_active (w)))
1572 return; 1607 return;
1573 1608
1574 wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); 1609 wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1575 ev_stop (EV_A_ (W)w); 1610 ev_stop (EV_A_ (W)w);
1576 1611
… …
1582ev_child_start (EV_P_ struct ev_child *w) 1617ev_child_start (EV_P_ struct ev_child *w)
1583{ 1618{
1584#if EV_MULTIPLICITY 1619#if EV_MULTIPLICITY
1585 assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 1620 assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1586#endif 1621#endif
1587 if (ev_is_active (w)) 1622 if (expect_false (ev_is_active (w)))
1588 return; 1623 return;
1589 1624
1590 ev_start (EV_A_ (W)w, 1); 1625 ev_start (EV_A_ (W)w, 1);
1591 wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); 1626 wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1592} 1627}
1593 1628
1594void 1629void
1595ev_child_stop (EV_P_ struct ev_child *w) 1630ev_child_stop (EV_P_ struct ev_child *w)
1596{ 1631{
1597 ev_clear_pending (EV_A_ (W)w); 1632 ev_clear_pending (EV_A_ (W)w);
1598 if (!ev_is_active (w)) 1633 if (expect_false (!ev_is_active (w)))
1599 return; 1634 return;
1600 1635
1601 wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); 1636 wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1602 ev_stop (EV_A_ (W)w); 1637 ev_stop (EV_A_ (W)w);
1603} 1638}
… …
1640void 1675void
1641ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 1676ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)
1642{ 1677{
1643 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 1678 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
1644 1679
1645 if (!once) 1680 if (expect_false (!once))
1681 {
1646 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); 1682 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg);
1647 else 1683 return;
1648 { 1684 }
1685
1649 once->cb = cb; 1686 once->cb = cb;
1650 once->arg = arg; 1687 once->arg = arg;
1651 1688
1652 ev_init (&once->io, once_cb_io); 1689 ev_init (&once->io, once_cb_io);
1653 if (fd >= 0) 1690 if (fd >= 0)
1654 { 1691 {
1655 ev_io_set (&once->io, fd, events); 1692 ev_io_set (&once->io, fd, events);
1656 ev_io_start (EV_A_ &once->io); 1693 ev_io_start (EV_A_ &once->io);
1657 } 1694 }
1658 1695
1659 ev_init (&once->to, once_cb_to); 1696 ev_init (&once->to, once_cb_to);
1660 if (timeout >= 0.) 1697 if (timeout >= 0.)
1661 { 1698 {
1662 ev_timer_set (&once->to, timeout, 0.); 1699 ev_timer_set (&once->to, timeout, 0.);
1663 ev_timer_start (EV_A_ &once->to); 1700 ev_timer_start (EV_A_ &once->to);
1664 }
1665 } 1701 }
1666} 1702}
1667 1703
1668#ifdef __cplusplus 1704#ifdef __cplusplus
1669} 1705}

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