[ViewVC] Diff of: cvs/libev/ev.c

Comparing libev/ev.c (file contents):
Revision 1.163 by root, Wed Dec 5 13:54:36 2007 UTC vs.
Revision 1.176 by root, Tue Dec 11 04:31:55 2007 UTC

…		…
216	# include <sys/inotify.h>	216	# include <sys/inotify.h>
217	#endif	217	#endif
218		218
219	/**/	219	/**/
220		220
		221	/*
		222	* This is used to avoid floating point rounding problems.
		223	* It is added to ev_rt_now when scheduling periodics
		224	* to ensure progress, time-wise, even when rounding
		225	* errors are against us.
		226	* This value is good at least till the year 4000
		227	* and intervals up to 20 years.
		228	* Better solutions welcome.
		229	*/
		230	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
		231
221	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	232	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
222	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	233	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
223	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds */	234	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds, TODO */
224		235
225	#if __GNUC__ >= 3	236	#if __GNUC__ >= 3
226	# define expect(expr,value) __builtin_expect ((expr),(value))	237	# define expect(expr,value) __builtin_expect ((expr),(value))
227	# define inline_size static inline /* inline for codesize */
228	# if EV_MINIMAL
229	# define noinline __attribute__ ((noinline))	238	# define noinline __attribute__ ((noinline))
230	# define inline_speed static noinline
231	# else
232	# define noinline
233	# define inline_speed static inline
234	# endif
235	#else	239	#else
236	# define expect(expr,value) (expr)	240	# define expect(expr,value) (expr)
237	# define inline_speed static
238	# define inline_size static
239	# define noinline	241	# define noinline
		242	# if __STDC_VERSION__ < 199901L
		243	# define inline
		244	# endif
240	#endif	245	#endif
241		246
242	#define expect_false(expr) expect ((expr) != 0, 0)	247	#define expect_false(expr) expect ((expr) != 0, 0)
243	#define expect_true(expr) expect ((expr) != 0, 1)	248	#define expect_true(expr) expect ((expr) != 0, 1)
		249	#define inline_size static inline
		250
		251	#if EV_MINIMAL
		252	# define inline_speed static noinline
		253	#else
		254	# define inline_speed static inline
		255	#endif
244		256
245	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	257	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
246	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	258	#define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
247		259
248	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */	260	#define EMPTY /* required for microsofts broken pseudo-c compiler */
249	#define EMPTY2(a,b) /* used to suppress some warnings */	261	#define EMPTY2(a,b) /* used to suppress some warnings */
250		262
251	typedef ev_watcher *W;	263	typedef ev_watcher *W;
252	typedef ev_watcher_list *WL;	264	typedef ev_watcher_list *WL;
253	typedef ev_watcher_time *WT;	265	typedef ev_watcher_time *WT;
…		…
417	}	429	}
418		430
419	return ncur;	431	return ncur;
420	}	432	}
421		433
422	inline_speed void *	434	static noinline void *
423	array_realloc (int elem, void base, int cur, int cnt)	435	array_realloc (int elem, void base, int cur, int cnt)
424	{	436	{
425	cur = array_nextsize (elem, cur, cnt);	437	cur = array_nextsize (elem, cur, cnt);
426	return ev_realloc (base, elem * *cur);	438	return ev_realloc (base, elem * *cur);
427	}	439	}
…		…
452		464
453	void noinline	465	void noinline
454	ev_feed_event (EV_P_ void *w, int revents)	466	ev_feed_event (EV_P_ void *w, int revents)
455	{	467	{
456	W w_ = (W)w;	468	W w_ = (W)w;
		469	int pri = ABSPRI (w_);
457		470
458	if (expect_false (w_->pending))	471	if (expect_false (w_->pending))
		472	pendings [pri][w_->pending - 1].events \|= revents;
		473	else
459	{	474	{
		475	w_->pending = ++pendingcnt [pri];
		476	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
		477	pendings [pri][w_->pending - 1].w = w_;
460	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;	478	pendings [pri][w_->pending - 1].events = revents;
461	return;
462	}	479	}
463
464	w_->pending = ++pendingcnt [ABSPRI (w_)];
465	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
466	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
467	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
468	}	480	}
469		481
470	void inline_size	482	void inline_size
471	queue_events (EV_P_ W *events, int eventcnt, int type)	483	queue_events (EV_P_ W *events, int eventcnt, int type)
472	{	484	{
…		…
507	}	519	}
508		520
509	void	521	void
510	ev_feed_fd_event (EV_P_ int fd, int revents)	522	ev_feed_fd_event (EV_P_ int fd, int revents)
511	{	523	{
		524	if (fd >= 0 && fd < anfdmax)
512	fd_event (EV_A_ fd, revents);	525	fd_event (EV_A_ fd, revents);
513	}	526	}
514		527
515	void inline_size	528	void inline_size
516	fd_reify (EV_P)	529	fd_reify (EV_P)
517	{	530	{
…		…
747	for (signum = signalmax; signum--; )	760	for (signum = signalmax; signum--; )
748	if (signals [signum].gotsig)	761	if (signals [signum].gotsig)
749	ev_feed_signal_event (EV_A_ signum + 1);	762	ev_feed_signal_event (EV_A_ signum + 1);
750	}	763	}
751		764
752	void inline_size	765	void inline_speed
753	fd_intern (int fd)	766	fd_intern (int fd)
754	{	767	{
755	#ifdef _WIN32	768	#ifdef _WIN32
756	int arg = 1;	769	int arg = 1;
757	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	770	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
…		…
786	ev_child *w;	799	ev_child *w;
787		800
788	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	801	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)
789	if (w->pid == pid \|\| !w->pid)	802	if (w->pid == pid \|\| !w->pid)
790	{	803	{
791	ev_priority (w) = ev_priority (sw); /* need to do it now */	804	ev_set_priority (w, ev_priority (sw)); /* need to do it now */
792	w->rpid = pid;	805	w->rpid = pid;
793	w->rstatus = status;	806	w->rstatus = status;
794	ev_feed_event (EV_A_ (W)w, EV_CHILD);	807	ev_feed_event (EV_A_ (W)w, EV_CHILD);
795	}	808	}
796	}	809	}
797		810
798	#ifndef WCONTINUED	811	#ifndef WCONTINUED
…		…
1003	#if EV_USE_SELECT	1016	#if EV_USE_SELECT
1004	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	1017	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);
1005	#endif	1018	#endif
1006		1019
1007	for (i = NUMPRI; i--; )	1020	for (i = NUMPRI; i--; )
		1021	{
1008	array_free (pending, [i]);	1022	array_free (pending, [i]);
		1023	#if EV_IDLE_ENABLE
		1024	array_free (idle, [i]);
		1025	#endif
		1026	}
1009		1027
1010	/* have to use the microsoft-never-gets-it-right macro */	1028	/* have to use the microsoft-never-gets-it-right macro */
1011	array_free (fdchange, EMPTY0);	1029	array_free (fdchange, EMPTY);
1012	array_free (timer, EMPTY0);	1030	array_free (timer, EMPTY);
1013	#if EV_PERIODIC_ENABLE	1031	#if EV_PERIODIC_ENABLE
1014	array_free (periodic, EMPTY0);	1032	array_free (periodic, EMPTY);
1015	#endif	1033	#endif
1016	array_free (idle, EMPTY0);
1017	array_free (prepare, EMPTY0);	1034	array_free (prepare, EMPTY);
1018	array_free (check, EMPTY0);	1035	array_free (check, EMPTY);
1019		1036
1020	backend = 0;	1037	backend = 0;
1021	}	1038	}
1022		1039
1023	void inline_size infy_fork (EV_P);	1040	void inline_size infy_fork (EV_P);
…		…
1159	postfork = 1;	1176	postfork = 1;
1160	}	1177	}
1161		1178
1162	/*****************************************************************************/	1179	/*****************************************************************************/
1163		1180
1164	int inline_size	1181	void
1165	any_pending (EV_P)	1182	ev_invoke (EV_P_ void *w, int revents)
1166	{	1183	{
1167	int pri;	1184	EV_CB_INVOKE ((W)w, revents);
1168
1169	for (pri = NUMPRI; pri--; )
1170	if (pendingcnt [pri])
1171	return 1;
1172
1173	return 0;
1174	}	1185	}
1175		1186
1176	void inline_speed	1187	void inline_speed
1177	call_pending (EV_P)	1188	call_pending (EV_P)
1178	{	1189	{
…		…
1231	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/	1242	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/
1232		1243
1233	/* first reschedule or stop timer */	1244	/* first reschedule or stop timer */
1234	if (w->reschedule_cb)	1245	if (w->reschedule_cb)
1235	{	1246	{
1236	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);	1247	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON);
1237	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));	1248	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1238	downheap ((WT *)periodics, periodiccnt, 0);	1249	downheap ((WT *)periodics, periodiccnt, 0);
1239	}	1250	}
1240	else if (w->interval)	1251	else if (w->interval)
1241	{	1252	{
1242	((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;	1253	((WT)w)->at = w->offset + floor ((ev_rt_now + TIME_EPSILON - w->offset) / w->interval + 1.) * w->interval;
1243	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));	1254	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
1244	downheap ((WT *)periodics, periodiccnt, 0);	1255	downheap ((WT *)periodics, periodiccnt, 0);
1245	}	1256	}
1246	else	1257	else
1247	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1258	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
…		…
1261	ev_periodic *w = periodics [i];	1272	ev_periodic *w = periodics [i];
1262		1273
1263	if (w->reschedule_cb)	1274	if (w->reschedule_cb)
1264	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1275	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1265	else if (w->interval)	1276	else if (w->interval)
1266	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;	1277	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1267	}	1278	}
1268		1279
1269	/* now rebuild the heap */	1280	/* now rebuild the heap */
1270	for (i = periodiccnt >> 1; i--; )	1281	for (i = periodiccnt >> 1; i--; )
1271	downheap ((WT *)periodics, periodiccnt, i);	1282	downheap ((WT *)periodics, periodiccnt, i);
		1283	}
		1284	#endif
		1285
		1286	#if EV_IDLE_ENABLE
		1287	void inline_size
		1288	idle_reify (EV_P)
		1289	{
		1290	if (expect_false (idleall))
		1291	{
		1292	int pri;
		1293
		1294	for (pri = NUMPRI; pri--; )
		1295	{
		1296	if (pendingcnt [pri])
		1297	break;
		1298
		1299	if (idlecnt [pri])
		1300	{
		1301	queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE);
		1302	break;
		1303	}
		1304	}
		1305	}
1272	}	1306	}
1273	#endif	1307	#endif
1274		1308
1275	int inline_size	1309	int inline_size
1276	time_update_monotonic (EV_P)	1310	time_update_monotonic (EV_P)
…		…
1391	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	1425	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
1392	call_pending (EV_A);	1426	call_pending (EV_A);
1393	}	1427	}
1394	#endif	1428	#endif
1395		1429
1396	/* queue check watchers (and execute them) */	1430	/* queue prepare watchers (and execute them) */
1397	if (expect_false (preparecnt))	1431	if (expect_false (preparecnt))
1398	{	1432	{
1399	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1433	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
1400	call_pending (EV_A);	1434	call_pending (EV_A);
1401	}	1435	}
…		…
1412		1446
1413	/* calculate blocking time */	1447	/* calculate blocking time */
1414	{	1448	{
1415	ev_tstamp block;	1449	ev_tstamp block;
1416		1450
1417	if (expect_false (flags & EVLOOP_NONBLOCK \|\| idlecnt \|\| !activecnt))	1451	if (expect_false (flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt))
1418	block = 0.; /* do not block at all */	1452	block = 0.; /* do not block at all */
1419	else	1453	else
1420	{	1454	{
1421	/* update time to cancel out callback processing overhead */	1455	/* update time to cancel out callback processing overhead */
1422	#if EV_USE_MONOTONIC	1456	#if EV_USE_MONOTONIC
…		…
1459	timers_reify (EV_A); /* relative timers called last */	1493	timers_reify (EV_A); /* relative timers called last */
1460	#if EV_PERIODIC_ENABLE	1494	#if EV_PERIODIC_ENABLE
1461	periodics_reify (EV_A); /* absolute timers called first */	1495	periodics_reify (EV_A); /* absolute timers called first */
1462	#endif	1496	#endif
1463		1497
		1498	#if EV_IDLE_ENABLE
1464	/* queue idle watchers unless other events are pending */	1499	/* queue idle watchers unless other events are pending */
1465	if (idlecnt && !any_pending (EV_A))	1500	idle_reify (EV_A);
1466	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1501	#endif
1467		1502
1468	/* queue check watchers, to be executed first */	1503	/* queue check watchers, to be executed first */
1469	if (expect_false (checkcnt))	1504	if (expect_false (checkcnt))
1470	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1505	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1471		1506
…		…
1507	head = &(*head)->next;	1542	head = &(*head)->next;
1508	}	1543	}
1509	}	1544	}
1510		1545
1511	void inline_speed	1546	void inline_speed
1512	ev_clear_pending (EV_P_ W w)	1547	clear_pending (EV_P_ W w)
1513	{	1548	{
1514	if (w->pending)	1549	if (w->pending)
1515	{	1550	{
1516	pendings [ABSPRI (w)][w->pending - 1].w = 0;	1551	pendings [ABSPRI (w)][w->pending - 1].w = 0;
1517	w->pending = 0;	1552	w->pending = 0;
1518	}	1553	}
1519	}	1554	}
1520		1555
		1556	int
		1557	ev_clear_pending (EV_P_ void *w)
		1558	{
		1559	W w_ = (W)w;
		1560	int pending = w_->pending;
		1561
		1562	if (expect_true (pending))
		1563	{
		1564	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
		1565	w_->pending = 0;
		1566	p->w = 0;
		1567	return p->events;
		1568	}
		1569	else
		1570	return 0;
		1571	}
		1572
		1573	void inline_size
		1574	pri_adjust (EV_P_ W w)
		1575	{
		1576	int pri = w->priority;
		1577	pri = pri < EV_MINPRI ? EV_MINPRI : pri;
		1578	pri = pri > EV_MAXPRI ? EV_MAXPRI : pri;
		1579	w->priority = pri;
		1580	}
		1581
1521	void inline_speed	1582	void inline_speed
1522	ev_start (EV_P_ W w, int active)	1583	ev_start (EV_P_ W w, int active)
1523	{	1584	{
1524	if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;	1585	pri_adjust (EV_A_ w);
1525	if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
1526
1527	w->active = active;	1586	w->active = active;
1528	ev_ref (EV_A);	1587	ev_ref (EV_A);
1529	}	1588	}
1530		1589
1531	void inline_size	1590	void inline_size
…		…
1535	w->active = 0;	1594	w->active = 0;
1536	}	1595	}
1537		1596
1538	/*****************************************************************************/	1597	/*****************************************************************************/
1539		1598
1540	void	1599	void noinline
1541	ev_io_start (EV_P_ ev_io *w)	1600	ev_io_start (EV_P_ ev_io *w)
1542	{	1601	{
1543	int fd = w->fd;	1602	int fd = w->fd;
1544		1603
1545	if (expect_false (ev_is_active (w)))	1604	if (expect_false (ev_is_active (w)))
…		…
1552	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1611	wlist_add ((WL *)&anfds[fd].head, (WL)w);
1553		1612
1554	fd_change (EV_A_ fd);	1613	fd_change (EV_A_ fd);
1555	}	1614	}
1556		1615
1557	void	1616	void noinline
1558	ev_io_stop (EV_P_ ev_io *w)	1617	ev_io_stop (EV_P_ ev_io *w)
1559	{	1618	{
1560	ev_clear_pending (EV_A_ (W)w);	1619	clear_pending (EV_A_ (W)w);
1561	if (expect_false (!ev_is_active (w)))	1620	if (expect_false (!ev_is_active (w)))
1562	return;	1621	return;
1563		1622
1564	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	1623	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1565		1624
…		…
1567	ev_stop (EV_A_ (W)w);	1626	ev_stop (EV_A_ (W)w);
1568		1627
1569	fd_change (EV_A_ w->fd);	1628	fd_change (EV_A_ w->fd);
1570	}	1629	}
1571		1630
1572	void	1631	void noinline
1573	ev_timer_start (EV_P_ ev_timer *w)	1632	ev_timer_start (EV_P_ ev_timer *w)
1574	{	1633	{
1575	if (expect_false (ev_is_active (w)))	1634	if (expect_false (ev_is_active (w)))
1576	return;	1635	return;
1577		1636
…		…
1585	upheap ((WT *)timers, timercnt - 1);	1644	upheap ((WT *)timers, timercnt - 1);
1586		1645
1587	/assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));/	1646	/assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));/
1588	}	1647	}
1589		1648
1590	void	1649	void noinline
1591	ev_timer_stop (EV_P_ ev_timer *w)	1650	ev_timer_stop (EV_P_ ev_timer *w)
1592	{	1651	{
1593	ev_clear_pending (EV_A_ (W)w);	1652	clear_pending (EV_A_ (W)w);
1594	if (expect_false (!ev_is_active (w)))	1653	if (expect_false (!ev_is_active (w)))
1595	return;	1654	return;
1596		1655
1597	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1656	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1598		1657
…		…
1609	((WT)w)->at -= mn_now;	1668	((WT)w)->at -= mn_now;
1610		1669
1611	ev_stop (EV_A_ (W)w);	1670	ev_stop (EV_A_ (W)w);
1612	}	1671	}
1613		1672
1614	void	1673	void noinline
1615	ev_timer_again (EV_P_ ev_timer *w)	1674	ev_timer_again (EV_P_ ev_timer *w)
1616	{	1675	{
1617	if (ev_is_active (w))	1676	if (ev_is_active (w))
1618	{	1677	{
1619	if (w->repeat)	1678	if (w->repeat)
…		…
1630	ev_timer_start (EV_A_ w);	1689	ev_timer_start (EV_A_ w);
1631	}	1690	}
1632	}	1691	}
1633		1692
1634	#if EV_PERIODIC_ENABLE	1693	#if EV_PERIODIC_ENABLE
1635	void	1694	void noinline
1636	ev_periodic_start (EV_P_ ev_periodic *w)	1695	ev_periodic_start (EV_P_ ev_periodic *w)
1637	{	1696	{
1638	if (expect_false (ev_is_active (w)))	1697	if (expect_false (ev_is_active (w)))
1639	return;	1698	return;
1640		1699
…		…
1642	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1701	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1643	else if (w->interval)	1702	else if (w->interval)
1644	{	1703	{
1645	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1704	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1646	/* this formula differs from the one in periodic_reify because we do not always round up */	1705	/* this formula differs from the one in periodic_reify because we do not always round up */
1647	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;	1706	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1648	}	1707	}
		1708	else
		1709	((WT)w)->at = w->offset;
1649		1710
1650	ev_start (EV_A_ (W)w, ++periodiccnt);	1711	ev_start (EV_A_ (W)w, ++periodiccnt);
1651	array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);	1712	array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1652	periodics [periodiccnt - 1] = w;	1713	periodics [periodiccnt - 1] = w;
1653	upheap ((WT *)periodics, periodiccnt - 1);	1714	upheap ((WT *)periodics, periodiccnt - 1);
1654		1715
1655	/assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));/	1716	/assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));/
1656	}	1717	}
1657		1718
1658	void	1719	void noinline
1659	ev_periodic_stop (EV_P_ ev_periodic *w)	1720	ev_periodic_stop (EV_P_ ev_periodic *w)
1660	{	1721	{
1661	ev_clear_pending (EV_A_ (W)w);	1722	clear_pending (EV_A_ (W)w);
1662	if (expect_false (!ev_is_active (w)))	1723	if (expect_false (!ev_is_active (w)))
1663	return;	1724	return;
1664		1725
1665	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1726	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1666		1727
…		…
1675	}	1736	}
1676		1737
1677	ev_stop (EV_A_ (W)w);	1738	ev_stop (EV_A_ (W)w);
1678	}	1739	}
1679		1740
1680	void	1741	void noinline
1681	ev_periodic_again (EV_P_ ev_periodic *w)	1742	ev_periodic_again (EV_P_ ev_periodic *w)
1682	{	1743	{
1683	/* TODO: use adjustheap and recalculation */	1744	/* TODO: use adjustheap and recalculation */
1684	ev_periodic_stop (EV_A_ w);	1745	ev_periodic_stop (EV_A_ w);
1685	ev_periodic_start (EV_A_ w);	1746	ev_periodic_start (EV_A_ w);
…		…
1688		1749
1689	#ifndef SA_RESTART	1750	#ifndef SA_RESTART
1690	# define SA_RESTART 0	1751	# define SA_RESTART 0
1691	#endif	1752	#endif
1692		1753
1693	void	1754	void noinline
1694	ev_signal_start (EV_P_ ev_signal *w)	1755	ev_signal_start (EV_P_ ev_signal *w)
1695	{	1756	{
1696	#if EV_MULTIPLICITY	1757	#if EV_MULTIPLICITY
1697	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));	1758	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1698	#endif	1759	#endif
…		…
1717	sigaction (w->signum, &sa, 0);	1778	sigaction (w->signum, &sa, 0);
1718	#endif	1779	#endif
1719	}	1780	}
1720	}	1781	}
1721		1782
1722	void	1783	void noinline
1723	ev_signal_stop (EV_P_ ev_signal *w)	1784	ev_signal_stop (EV_P_ ev_signal *w)
1724	{	1785	{
1725	ev_clear_pending (EV_A_ (W)w);	1786	clear_pending (EV_A_ (W)w);
1726	if (expect_false (!ev_is_active (w)))	1787	if (expect_false (!ev_is_active (w)))
1727	return;	1788	return;
1728		1789
1729	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1790	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1730	ev_stop (EV_A_ (W)w);	1791	ev_stop (EV_A_ (W)w);
…		…
1747	}	1808	}
1748		1809
1749	void	1810	void
1750	ev_child_stop (EV_P_ ev_child *w)	1811	ev_child_stop (EV_P_ ev_child *w)
1751	{	1812	{
1752	ev_clear_pending (EV_A_ (W)w);	1813	clear_pending (EV_A_ (W)w);
1753	if (expect_false (!ev_is_active (w)))	1814	if (expect_false (!ev_is_active (w)))
1754	return;	1815	return;
1755		1816
1756	wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	1817	wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1757	ev_stop (EV_A_ (W)w);	1818	ev_stop (EV_A_ (W)w);
…		…
1993	}	2054	}
1994		2055
1995	void	2056	void
1996	ev_stat_stop (EV_P_ ev_stat *w)	2057	ev_stat_stop (EV_P_ ev_stat *w)
1997	{	2058	{
1998	ev_clear_pending (EV_A_ (W)w);	2059	clear_pending (EV_A_ (W)w);
1999	if (expect_false (!ev_is_active (w)))	2060	if (expect_false (!ev_is_active (w)))
2000	return;	2061	return;
2001		2062
2002	#if EV_USE_INOTIFY	2063	#if EV_USE_INOTIFY
2003	infy_del (EV_A_ w);	2064	infy_del (EV_A_ w);
…		…
2006		2067
2007	ev_stop (EV_A_ (W)w);	2068	ev_stop (EV_A_ (W)w);
2008	}	2069	}
2009	#endif	2070	#endif
2010		2071
		2072	#if EV_IDLE_ENABLE
2011	void	2073	void
2012	ev_idle_start (EV_P_ ev_idle *w)	2074	ev_idle_start (EV_P_ ev_idle *w)
2013	{	2075	{
2014	if (expect_false (ev_is_active (w)))	2076	if (expect_false (ev_is_active (w)))
2015	return;	2077	return;
2016		2078
		2079	pri_adjust (EV_A_ (W)w);
		2080
		2081	{
		2082	int active = ++idlecnt [ABSPRI (w)];
		2083
		2084	++idleall;
2017	ev_start (EV_A_ (W)w, ++idlecnt);	2085	ev_start (EV_A_ (W)w, active);
		2086
2018	array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2);	2087	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);
2019	idles [idlecnt - 1] = w;	2088	idles [ABSPRI (w)][active - 1] = w;
		2089	}
2020	}	2090	}
2021		2091
2022	void	2092	void
2023	ev_idle_stop (EV_P_ ev_idle *w)	2093	ev_idle_stop (EV_P_ ev_idle *w)
2024	{	2094	{
2025	ev_clear_pending (EV_A_ (W)w);	2095	clear_pending (EV_A_ (W)w);
2026	if (expect_false (!ev_is_active (w)))	2096	if (expect_false (!ev_is_active (w)))
2027	return;	2097	return;
2028		2098
2029	{	2099	{
2030	int active = ((W)w)->active;	2100	int active = ((W)w)->active;
2031	idles [active - 1] = idles [--idlecnt];	2101
		2102	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
2032	((W)idles [active - 1])->active = active;	2103	((W)idles [ABSPRI (w)][active - 1])->active = active;
		2104
		2105	ev_stop (EV_A_ (W)w);
		2106	--idleall;
2033	}	2107	}
2034
2035	ev_stop (EV_A_ (W)w);
2036	}	2108	}
		2109	#endif
2037		2110
2038	void	2111	void
2039	ev_prepare_start (EV_P_ ev_prepare *w)	2112	ev_prepare_start (EV_P_ ev_prepare *w)
2040	{	2113	{
2041	if (expect_false (ev_is_active (w)))	2114	if (expect_false (ev_is_active (w)))
…		…
2047	}	2120	}
2048		2121
2049	void	2122	void
2050	ev_prepare_stop (EV_P_ ev_prepare *w)	2123	ev_prepare_stop (EV_P_ ev_prepare *w)
2051	{	2124	{
2052	ev_clear_pending (EV_A_ (W)w);	2125	clear_pending (EV_A_ (W)w);
2053	if (expect_false (!ev_is_active (w)))	2126	if (expect_false (!ev_is_active (w)))
2054	return;	2127	return;
2055		2128
2056	{	2129	{
2057	int active = ((W)w)->active;	2130	int active = ((W)w)->active;
…		…
2074	}	2147	}
2075		2148
2076	void	2149	void
2077	ev_check_stop (EV_P_ ev_check *w)	2150	ev_check_stop (EV_P_ ev_check *w)
2078	{	2151	{
2079	ev_clear_pending (EV_A_ (W)w);	2152	clear_pending (EV_A_ (W)w);
2080	if (expect_false (!ev_is_active (w)))	2153	if (expect_false (!ev_is_active (w)))
2081	return;	2154	return;
2082		2155
2083	{	2156	{
2084	int active = ((W)w)->active;	2157	int active = ((W)w)->active;
…		…
2126	}	2199	}
2127		2200
2128	void	2201	void
2129	ev_embed_stop (EV_P_ ev_embed *w)	2202	ev_embed_stop (EV_P_ ev_embed *w)
2130	{	2203	{
2131	ev_clear_pending (EV_A_ (W)w);	2204	clear_pending (EV_A_ (W)w);
2132	if (expect_false (!ev_is_active (w)))	2205	if (expect_false (!ev_is_active (w)))
2133	return;	2206	return;
2134		2207
2135	ev_io_stop (EV_A_ &w->io);	2208	ev_io_stop (EV_A_ &w->io);
2136		2209
…		…
2151	}	2224	}
2152		2225
2153	void	2226	void
2154	ev_fork_stop (EV_P_ ev_fork *w)	2227	ev_fork_stop (EV_P_ ev_fork *w)
2155	{	2228	{
2156	ev_clear_pending (EV_A_ (W)w);	2229	clear_pending (EV_A_ (W)w);
2157	if (expect_false (!ev_is_active (w)))	2230	if (expect_false (!ev_is_active (w)))
2158	return;	2231	return;
2159		2232
2160	{	2233	{
2161	int active = ((W)w)->active;	2234	int active = ((W)w)->active;

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Comparing libev/ev.c (file contents): Revision 1.163 by root, Wed Dec 5 13:54:36 2007 UTC vs. Revision 1.176 by root, Tue Dec 11 04:31:55 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.163 by root, Wed Dec 5 13:54:36 2007 UTC vs.
Revision 1.176 by root, Tue Dec 11 04:31:55 2007 UTC