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

Comparing libev/ev.c (file contents):
Revision 1.168 by root, Sat Dec 8 14:12:07 2007 UTC vs.
Revision 1.196 by root, Sat Dec 22 12:43:28 2007 UTC

…		…
51	# ifndef EV_USE_MONOTONIC	51	# ifndef EV_USE_MONOTONIC
52	# define EV_USE_MONOTONIC 0	52	# define EV_USE_MONOTONIC 0
53	# endif	53	# endif
54	# ifndef EV_USE_REALTIME	54	# ifndef EV_USE_REALTIME
55	# define EV_USE_REALTIME 0	55	# define EV_USE_REALTIME 0
		56	# endif
		57	# endif
		58
		59	# ifndef EV_USE_NANOSLEEP
		60	# if HAVE_NANOSLEEP
		61	# define EV_USE_NANOSLEEP 1
		62	# else
		63	# define EV_USE_NANOSLEEP 0
56	# endif	64	# endif
57	# endif	65	# endif
58		66
59	# ifndef EV_USE_SELECT	67	# ifndef EV_USE_SELECT
60	# if HAVE_SELECT && HAVE_SYS_SELECT_H	68	# if HAVE_SELECT && HAVE_SYS_SELECT_H
…		…
146		154
147	#ifndef EV_USE_REALTIME	155	#ifndef EV_USE_REALTIME
148	# define EV_USE_REALTIME 0	156	# define EV_USE_REALTIME 0
149	#endif	157	#endif
150		158
		159	#ifndef EV_USE_NANOSLEEP
		160	# define EV_USE_NANOSLEEP 0
		161	#endif
		162
151	#ifndef EV_USE_SELECT	163	#ifndef EV_USE_SELECT
152	# define EV_USE_SELECT 1	164	# define EV_USE_SELECT 1
153	#endif	165	#endif
154		166
155	#ifndef EV_USE_POLL	167	#ifndef EV_USE_POLL
…		…
202	#ifndef CLOCK_REALTIME	214	#ifndef CLOCK_REALTIME
203	# undef EV_USE_REALTIME	215	# undef EV_USE_REALTIME
204	# define EV_USE_REALTIME 0	216	# define EV_USE_REALTIME 0
205	#endif	217	#endif
206		218
		219	#if !EV_STAT_ENABLE
		220	# undef EV_USE_INOTIFY
		221	# define EV_USE_INOTIFY 0
		222	#endif
		223
		224	#if !EV_USE_NANOSLEEP
		225	# ifndef _WIN32
		226	# include <sys/select.h>
		227	# endif
		228	#endif
		229
		230	#if EV_USE_INOTIFY
		231	# include <sys/inotify.h>
		232	#endif
		233
207	#if EV_SELECT_IS_WINSOCKET	234	#if EV_SELECT_IS_WINSOCKET
208	# include <winsock.h>	235	# include <winsock.h>
209	#endif	236	#endif
210		237
211	#if !EV_STAT_ENABLE
212	# define EV_USE_INOTIFY 0
213	#endif
214
215	#if EV_USE_INOTIFY
216	# include <sys/inotify.h>
217	#endif
218
219	/**/	238	/**/
		239
		240	/*
		241	* This is used to avoid floating point rounding problems.
		242	* It is added to ev_rt_now when scheduling periodics
		243	* to ensure progress, time-wise, even when rounding
		244	* errors are against us.
		245	* This value is good at least till the year 4000.
		246	* Better solutions welcome.
		247	*/
		248	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
220		249
221	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	250	#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) */	251	#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 */	252	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds, TODO */
224		253
225	#if __GNUC__ >= 3	254	#if __GNUC__ >= 4
226	# define expect(expr,value) __builtin_expect ((expr),(value))	255	# 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))	256	# 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	257	#else
236	# define expect(expr,value) (expr)	258	# define expect(expr,value) (expr)
237	# define inline_speed static
238	# define inline_size static
239	# define noinline	259	# define noinline
		260	# if __STDC_VERSION__ < 199901L
		261	# define inline
		262	# endif
240	#endif	263	#endif
241		264
242	#define expect_false(expr) expect ((expr) != 0, 0)	265	#define expect_false(expr) expect ((expr) != 0, 0)
243	#define expect_true(expr) expect ((expr) != 0, 1)	266	#define expect_true(expr) expect ((expr) != 0, 1)
		267	#define inline_size static inline
		268
		269	#if EV_MINIMAL
		270	# define inline_speed static noinline
		271	#else
		272	# define inline_speed static inline
		273	#endif
244		274
245	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	275	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
246	#define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	276	#define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
247		277
248	#define EMPTY /* required for microsofts broken pseudo-c compiler */	278	#define EMPTY /* required for microsofts broken pseudo-c compiler */
…		…
250		280
251	typedef ev_watcher *W;	281	typedef ev_watcher *W;
252	typedef ev_watcher_list *WL;	282	typedef ev_watcher_list *WL;
253	typedef ev_watcher_time *WT;	283	typedef ev_watcher_time *WT;
254		284
		285	/* sig_atomic_t is used to avoid per-thread variables or locking but still */
		286	/* giving it a reasonably high chance of working on typical architetcures */
255	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	287	static sig_atomic_t have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
256		288
257	#ifdef _WIN32	289	#ifdef _WIN32
258	# include "ev_win32.c"	290	# include "ev_win32.c"
259	#endif	291	#endif
260		292
…		…
396	{	428	{
397	return ev_rt_now;	429	return ev_rt_now;
398	}	430	}
399	#endif	431	#endif
400		432
		433	void
		434	ev_sleep (ev_tstamp delay)
		435	{
		436	if (delay > 0.)
		437	{
		438	#if EV_USE_NANOSLEEP
		439	struct timespec ts;
		440
		441	ts.tv_sec = (time_t)delay;
		442	ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
		443
		444	nanosleep (&ts, 0);
		445	#elif defined(_WIN32)
		446	Sleep (delay * 1e3);
		447	#else
		448	struct timeval tv;
		449
		450	tv.tv_sec = (time_t)delay;
		451	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
		452
		453	select (0, 0, 0, 0, &tv);
		454	#endif
		455	}
		456	}
		457
		458	/*****************************************************************************/
		459
401	int inline_size	460	int inline_size
402	array_nextsize (int elem, int cur, int cnt)	461	array_nextsize (int elem, int cur, int cnt)
403	{	462	{
404	int ncur = cur + 1;	463	int ncur = cur + 1;
405		464
…		…
417	}	476	}
418		477
419	return ncur;	478	return ncur;
420	}	479	}
421		480
422	inline_speed void *	481	static noinline void *
423	array_realloc (int elem, void base, int cur, int cnt)	482	array_realloc (int elem, void base, int cur, int cnt)
424	{	483	{
425	cur = array_nextsize (elem, cur, cnt);	484	cur = array_nextsize (elem, cur, cnt);
426	return ev_realloc (base, elem * *cur);	485	return ev_realloc (base, elem * *cur);
427	}	486	}
…		…
452		511
453	void noinline	512	void noinline
454	ev_feed_event (EV_P_ void *w, int revents)	513	ev_feed_event (EV_P_ void *w, int revents)
455	{	514	{
456	W w_ = (W)w;	515	W w_ = (W)w;
		516	int pri = ABSPRI (w_);
457		517
458	if (expect_false (w_->pending))	518	if (expect_false (w_->pending))
		519	pendings [pri][w_->pending - 1].events \|= revents;
		520	else
459	{	521	{
		522	w_->pending = ++pendingcnt [pri];
		523	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
		524	pendings [pri][w_->pending - 1].w = w_;
460	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;	525	pendings [pri][w_->pending - 1].events = revents;
461	return;
462	}	526	}
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	}	527	}
469		528
470	void inline_size	529	void inline_speed
471	queue_events (EV_P_ W *events, int eventcnt, int type)	530	queue_events (EV_P_ W *events, int eventcnt, int type)
472	{	531	{
473	int i;	532	int i;
474		533
475	for (i = 0; i < eventcnt; ++i)	534	for (i = 0; i < eventcnt; ++i)
…		…
522	{	581	{
523	int fd = fdchanges [i];	582	int fd = fdchanges [i];
524	ANFD *anfd = anfds + fd;	583	ANFD *anfd = anfds + fd;
525	ev_io *w;	584	ev_io *w;
526		585
527	int events = 0;	586	unsigned char events = 0;
528		587
529	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)	588	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)
530	events \|= w->events;	589	events \|= (unsigned char)w->events;
531		590
532	#if EV_SELECT_IS_WINSOCKET	591	#if EV_SELECT_IS_WINSOCKET
533	if (events)	592	if (events)
534	{	593	{
535	unsigned long argp;	594	unsigned long argp;
536	anfd->handle = _get_osfhandle (fd);	595	anfd->handle = _get_osfhandle (fd);
537	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));	596	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
538	}	597	}
539	#endif	598	#endif
540		599
		600	{
		601	unsigned char o_events = anfd->events;
		602	unsigned char o_reify = anfd->reify;
		603
541	anfd->reify = 0;	604	anfd->reify = 0;
542
543	backend_modify (EV_A_ fd, anfd->events, events);
544	anfd->events = events;	605	anfd->events = events;
		606
		607	if (o_events != events \|\| o_reify & EV_IOFDSET)
		608	backend_modify (EV_A_ fd, o_events, events);
		609	}
545	}	610	}
546		611
547	fdchangecnt = 0;	612	fdchangecnt = 0;
548	}	613	}
549		614
550	void inline_size	615	void inline_size
551	fd_change (EV_P_ int fd)	616	fd_change (EV_P_ int fd, int flags)
552	{	617	{
553	if (expect_false (anfds [fd].reify))	618	unsigned char reify = anfds [fd].reify;
554	return;
555
556	anfds [fd].reify = 1;	619	anfds [fd].reify \|= flags;
557		620
		621	if (expect_true (!reify))
		622	{
558	++fdchangecnt;	623	++fdchangecnt;
559	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	624	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
560	fdchanges [fdchangecnt - 1] = fd;	625	fdchanges [fdchangecnt - 1] = fd;
		626	}
561	}	627	}
562		628
563	void inline_speed	629	void inline_speed
564	fd_kill (EV_P_ int fd)	630	fd_kill (EV_P_ int fd)
565	{	631	{
…		…
616		682
617	for (fd = 0; fd < anfdmax; ++fd)	683	for (fd = 0; fd < anfdmax; ++fd)
618	if (anfds [fd].events)	684	if (anfds [fd].events)
619	{	685	{
620	anfds [fd].events = 0;	686	anfds [fd].events = 0;
621	fd_change (EV_A_ fd);	687	fd_change (EV_A_ fd, EV_IOFDSET \| 1);
622	}	688	}
623	}	689	}
624		690
625	/*****************************************************************************/	691	/*****************************************************************************/
626		692
627	void inline_speed	693	void inline_speed
628	upheap (WT *heap, int k)	694	upheap (WT *heap, int k)
629	{	695	{
630	WT w = heap [k];	696	WT w = heap [k];
631		697
632	while (k && heap [k >> 1]->at > w->at)	698	while (k)
633	{	699	{
		700	int p = (k - 1) >> 1;
		701
		702	if (heap [p]->at <= w->at)
		703	break;
		704
634	heap [k] = heap [k >> 1];	705	heap [k] = heap [p];
635	((W)heap [k])->active = k + 1;	706	((W)heap [k])->active = k + 1;
636	k >>= 1;	707	k = p;
637	}	708	}
638		709
639	heap [k] = w;	710	heap [k] = w;
640	((W)heap [k])->active = k + 1;	711	((W)heap [k])->active = k + 1;
641
642	}	712	}
643		713
644	void inline_speed	714	void inline_speed
645	downheap (WT *heap, int N, int k)	715	downheap (WT *heap, int N, int k)
646	{	716	{
647	WT w = heap [k];	717	WT w = heap [k];
648		718
649	while (k < (N >> 1))	719	for (;;)
650	{	720	{
651	int j = k << 1;	721	int c = (k << 1) + 1;
652		722
653	if (j + 1 < N && heap [j]->at > heap [j + 1]->at)	723	if (c >= N)
654	++j;
655
656	if (w->at <= heap [j]->at)
657	break;	724	break;
658		725
		726	c += c + 1 < N && heap [c]->at > heap [c + 1]->at
		727	? 1 : 0;
		728
		729	if (w->at <= heap [c]->at)
		730	break;
		731
659	heap [k] = heap [j];	732	heap [k] = heap [c];
660	((W)heap [k])->active = k + 1;	733	((W)heap [k])->active = k + 1;
		734
661	k = j;	735	k = c;
662	}	736	}
663		737
664	heap [k] = w;	738	heap [k] = w;
665	((W)heap [k])->active = k + 1;	739	((W)heap [k])->active = k + 1;
666	}	740	}
…		…
748	for (signum = signalmax; signum--; )	822	for (signum = signalmax; signum--; )
749	if (signals [signum].gotsig)	823	if (signals [signum].gotsig)
750	ev_feed_signal_event (EV_A_ signum + 1);	824	ev_feed_signal_event (EV_A_ signum + 1);
751	}	825	}
752		826
753	void inline_size	827	void inline_speed
754	fd_intern (int fd)	828	fd_intern (int fd)
755	{	829	{
756	#ifdef _WIN32	830	#ifdef _WIN32
757	int arg = 1;	831	int arg = 1;
758	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	832	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
…		…
773	ev_unref (EV_A); /* child watcher should not keep loop alive */	847	ev_unref (EV_A); /* child watcher should not keep loop alive */
774	}	848	}
775		849
776	/*****************************************************************************/	850	/*****************************************************************************/
777		851
778	static ev_child *childs [EV_PID_HASHSIZE];	852	static WL childs [EV_PID_HASHSIZE];
779		853
780	#ifndef _WIN32	854	#ifndef _WIN32
781		855
782	static ev_signal childev;	856	static ev_signal childev;
783		857
…		…
898	}	972	}
899		973
900	unsigned int	974	unsigned int
901	ev_embeddable_backends (void)	975	ev_embeddable_backends (void)
902	{	976	{
903	return EVBACKEND_EPOLL	977	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;
904	\| EVBACKEND_KQUEUE	978
905	\| EVBACKEND_PORT;	979	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
		980	/* please fix it and tell me how to detect the fix */
		981	flags &= ~EVBACKEND_EPOLL;
		982
		983	#ifdef __APPLE__
		984	/* is there anything thats not broken on darwin? */
		985	flags &= ~EVBACKEND_KQUEUE;
		986	#endif
		987
		988	return flags;
906	}	989	}
907		990
908	unsigned int	991	unsigned int
909	ev_backend (EV_P)	992	ev_backend (EV_P)
910	{	993	{
…		…
913		996
914	unsigned int	997	unsigned int
915	ev_loop_count (EV_P)	998	ev_loop_count (EV_P)
916	{	999	{
917	return loop_count;	1000	return loop_count;
		1001	}
		1002
		1003	void
		1004	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)
		1005	{
		1006	io_blocktime = interval;
		1007	}
		1008
		1009	void
		1010	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)
		1011	{
		1012	timeout_blocktime = interval;
918	}	1013	}
919		1014
920	static void noinline	1015	static void noinline
921	loop_init (EV_P_ unsigned int flags)	1016	loop_init (EV_P_ unsigned int flags)
922	{	1017	{
…		…
933	ev_rt_now = ev_time ();	1028	ev_rt_now = ev_time ();
934	mn_now = get_clock ();	1029	mn_now = get_clock ();
935	now_floor = mn_now;	1030	now_floor = mn_now;
936	rtmn_diff = ev_rt_now - mn_now;	1031	rtmn_diff = ev_rt_now - mn_now;
937		1032
		1033	io_blocktime = 0.;
		1034	timeout_blocktime = 0.;
		1035
938	/* pid check not overridable via env */	1036	/* pid check not overridable via env */
939	#ifndef _WIN32	1037	#ifndef _WIN32
940	if (flags & EVFLAG_FORKCHECK)	1038	if (flags & EVFLAG_FORKCHECK)
941	curpid = getpid ();	1039	curpid = getpid ();
942	#endif	1040	#endif
…		…
1010	array_free (pending, [i]);	1108	array_free (pending, [i]);
1011	#if EV_IDLE_ENABLE	1109	#if EV_IDLE_ENABLE
1012	array_free (idle, [i]);	1110	array_free (idle, [i]);
1013	#endif	1111	#endif
1014	}	1112	}
		1113
		1114	ev_free (anfds); anfdmax = 0;
1015		1115
1016	/* have to use the microsoft-never-gets-it-right macro */	1116	/* have to use the microsoft-never-gets-it-right macro */
1017	array_free (fdchange, EMPTY);	1117	array_free (fdchange, EMPTY);
1018	array_free (timer, EMPTY);	1118	array_free (timer, EMPTY);
1019	#if EV_PERIODIC_ENABLE	1119	#if EV_PERIODIC_ENABLE
1020	array_free (periodic, EMPTY);	1120	array_free (periodic, EMPTY);
		1121	#endif
		1122	#if EV_FORK_ENABLE
		1123	array_free (fork, EMPTY);
1021	#endif	1124	#endif
1022	array_free (prepare, EMPTY);	1125	array_free (prepare, EMPTY);
1023	array_free (check, EMPTY);	1126	array_free (check, EMPTY);
1024		1127
1025	backend = 0;	1128	backend = 0;
…		…
1195	void inline_size	1298	void inline_size
1196	timers_reify (EV_P)	1299	timers_reify (EV_P)
1197	{	1300	{
1198	while (timercnt && ((WT)timers [0])->at <= mn_now)	1301	while (timercnt && ((WT)timers [0])->at <= mn_now)
1199	{	1302	{
1200	ev_timer *w = timers [0];	1303	ev_timer w = (ev_timer )timers [0];
1201		1304
1202	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/	1305	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/
1203		1306
1204	/* first reschedule or stop timer */	1307	/* first reschedule or stop timer */
1205	if (w->repeat)	1308	if (w->repeat)
…		…
1208		1311
1209	((WT)w)->at += w->repeat;	1312	((WT)w)->at += w->repeat;
1210	if (((WT)w)->at < mn_now)	1313	if (((WT)w)->at < mn_now)
1211	((WT)w)->at = mn_now;	1314	((WT)w)->at = mn_now;
1212		1315
1213	downheap ((WT *)timers, timercnt, 0);	1316	downheap (timers, timercnt, 0);
1214	}	1317	}
1215	else	1318	else
1216	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1319	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1217		1320
1218	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1321	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
…		…
1223	void inline_size	1326	void inline_size
1224	periodics_reify (EV_P)	1327	periodics_reify (EV_P)
1225	{	1328	{
1226	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)	1329	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1227	{	1330	{
1228	ev_periodic *w = periodics [0];	1331	ev_periodic w = (ev_periodic )periodics [0];
1229		1332
1230	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/	1333	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/
1231		1334
1232	/* first reschedule or stop timer */	1335	/* first reschedule or stop timer */
1233	if (w->reschedule_cb)	1336	if (w->reschedule_cb)
1234	{	1337	{
1235	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);	1338	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON);
1236	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));	1339	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1237	downheap ((WT *)periodics, periodiccnt, 0);	1340	downheap (periodics, periodiccnt, 0);
1238	}	1341	}
1239	else if (w->interval)	1342	else if (w->interval)
1240	{	1343	{
1241	((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;	1344	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
		1345	if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval;
1242	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));	1346	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
1243	downheap ((WT *)periodics, periodiccnt, 0);	1347	downheap (periodics, periodiccnt, 0);
1244	}	1348	}
1245	else	1349	else
1246	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1350	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1247		1351
1248	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);	1352	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
…		…
1255	int i;	1359	int i;
1256		1360
1257	/* adjust periodics after time jump */	1361	/* adjust periodics after time jump */
1258	for (i = 0; i < periodiccnt; ++i)	1362	for (i = 0; i < periodiccnt; ++i)
1259	{	1363	{
1260	ev_periodic *w = periodics [i];	1364	ev_periodic w = (ev_periodic )periodics [i];
1261		1365
1262	if (w->reschedule_cb)	1366	if (w->reschedule_cb)
1263	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1367	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1264	else if (w->interval)	1368	else if (w->interval)
1265	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;	1369	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1266	}	1370	}
1267		1371
1268	/* now rebuild the heap */	1372	/* now rebuild the heap */
1269	for (i = periodiccnt >> 1; i--; )	1373	for (i = periodiccnt >> 1; i--; )
1270	downheap ((WT *)periodics, periodiccnt, i);	1374	downheap (periodics, periodiccnt, i);
1271	}	1375	}
1272	#endif	1376	#endif
1273		1377
1274	#if EV_IDLE_ENABLE	1378	#if EV_IDLE_ENABLE
1275	void inline_size	1379	void inline_size
…		…
1292	}	1396	}
1293	}	1397	}
1294	}	1398	}
1295	#endif	1399	#endif
1296		1400
1297	int inline_size	1401	void inline_speed
1298	time_update_monotonic (EV_P)	1402	time_update (EV_P_ ev_tstamp max_block)
1299	{	1403	{
		1404	int i;
		1405
		1406	#if EV_USE_MONOTONIC
		1407	if (expect_true (have_monotonic))
		1408	{
		1409	ev_tstamp odiff = rtmn_diff;
		1410
1300	mn_now = get_clock ();	1411	mn_now = get_clock ();
1301		1412
		1413	/* only fetch the realtime clock every 0.5MIN_TIMEJUMP seconds /
		1414	/* interpolate in the meantime */
1302	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1415	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
1303	{	1416	{
1304	ev_rt_now = rtmn_diff + mn_now;	1417	ev_rt_now = rtmn_diff + mn_now;
1305	return 0;	1418	return;
1306	}	1419	}
1307	else	1420
1308	{
1309	now_floor = mn_now;	1421	now_floor = mn_now;
1310	ev_rt_now = ev_time ();	1422	ev_rt_now = ev_time ();
1311	return 1;
1312	}
1313	}
1314		1423
1315	void inline_size	1424	/* loop a few times, before making important decisions.
1316	time_update (EV_P)	1425	* on the choice of "4": one iteration isn't enough,
1317	{	1426	* in case we get preempted during the calls to
1318	int i;	1427	* ev_time and get_clock. a second call is almost guaranteed
1319		1428	* to succeed in that case, though. and looping a few more times
1320	#if EV_USE_MONOTONIC	1429	* doesn't hurt either as we only do this on time-jumps or
1321	if (expect_true (have_monotonic))	1430	* in the unlikely event of having been preempted here.
1322	{	1431	*/
1323	if (time_update_monotonic (EV_A))	1432	for (i = 4; --i; )
1324	{	1433	{
1325	ev_tstamp odiff = rtmn_diff;
1326
1327	/* loop a few times, before making important decisions.
1328	* on the choice of "4": one iteration isn't enough,
1329	* in case we get preempted during the calls to
1330	* ev_time and get_clock. a second call is almost guaranteed
1331	* to succeed in that case, though. and looping a few more times
1332	* doesn't hurt either as we only do this on time-jumps or
1333	* in the unlikely event of having been preempted here.
1334	*/
1335	for (i = 4; --i; )
1336	{
1337	rtmn_diff = ev_rt_now - mn_now;	1434	rtmn_diff = ev_rt_now - mn_now;
1338		1435
1339	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1436	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
1340	return; /* all is well */	1437	return; /* all is well */
1341		1438
1342	ev_rt_now = ev_time ();	1439	ev_rt_now = ev_time ();
1343	mn_now = get_clock ();	1440	mn_now = get_clock ();
1344	now_floor = mn_now;	1441	now_floor = mn_now;
1345	}	1442	}
1346		1443
1347	# if EV_PERIODIC_ENABLE	1444	# if EV_PERIODIC_ENABLE
1348	periodics_reschedule (EV_A);	1445	periodics_reschedule (EV_A);
1349	# endif	1446	# endif
1350	/* no timer adjustment, as the monotonic clock doesn't jump */	1447	/* no timer adjustment, as the monotonic clock doesn't jump */
1351	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */	1448	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1352	}
1353	}	1449	}
1354	else	1450	else
1355	#endif	1451	#endif
1356	{	1452	{
1357	ev_rt_now = ev_time ();	1453	ev_rt_now = ev_time ();
1358		1454
1359	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1455	if (expect_false (mn_now > ev_rt_now \|\| ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))
1360	{	1456	{
1361	#if EV_PERIODIC_ENABLE	1457	#if EV_PERIODIC_ENABLE
1362	periodics_reschedule (EV_A);	1458	periodics_reschedule (EV_A);
1363	#endif	1459	#endif
1364
1365	/* adjust timers. this is easy, as the offset is the same for all of them */	1460	/* adjust timers. this is easy, as the offset is the same for all of them */
1366	for (i = 0; i < timercnt; ++i)	1461	for (i = 0; i < timercnt; ++i)
1367	((WT)timers [i])->at += ev_rt_now - mn_now;	1462	((WT)timers [i])->at += ev_rt_now - mn_now;
1368	}	1463	}
1369		1464
…		…
1413	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	1508	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
1414	call_pending (EV_A);	1509	call_pending (EV_A);
1415	}	1510	}
1416	#endif	1511	#endif
1417		1512
1418	/* queue check watchers (and execute them) */	1513	/* queue prepare watchers (and execute them) */
1419	if (expect_false (preparecnt))	1514	if (expect_false (preparecnt))
1420	{	1515	{
1421	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1516	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
1422	call_pending (EV_A);	1517	call_pending (EV_A);
1423	}	1518	}
…		…
1432	/* update fd-related kernel structures */	1527	/* update fd-related kernel structures */
1433	fd_reify (EV_A);	1528	fd_reify (EV_A);
1434		1529
1435	/* calculate blocking time */	1530	/* calculate blocking time */
1436	{	1531	{
1437	ev_tstamp block;	1532	ev_tstamp waittime = 0.;
		1533	ev_tstamp sleeptime = 0.;
1438		1534
1439	if (expect_false (flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt))	1535	if (expect_true (!(flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt)))
1440	block = 0.; /* do not block at all */
1441	else
1442	{	1536	{
1443	/* update time to cancel out callback processing overhead */	1537	/* update time to cancel out callback processing overhead */
1444	#if EV_USE_MONOTONIC
1445	if (expect_true (have_monotonic))
1446	time_update_monotonic (EV_A);	1538	time_update (EV_A_ 1e100);
1447	else
1448	#endif
1449	{
1450	ev_rt_now = ev_time ();
1451	mn_now = ev_rt_now;
1452	}
1453		1539
1454	block = MAX_BLOCKTIME;	1540	waittime = MAX_BLOCKTIME;
1455		1541
1456	if (timercnt)	1542	if (timercnt)
1457	{	1543	{
1458	ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;	1544	ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;
1459	if (block > to) block = to;	1545	if (waittime > to) waittime = to;
1460	}	1546	}
1461		1547
1462	#if EV_PERIODIC_ENABLE	1548	#if EV_PERIODIC_ENABLE
1463	if (periodiccnt)	1549	if (periodiccnt)
1464	{	1550	{
1465	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge;	1551	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge;
1466	if (block > to) block = to;	1552	if (waittime > to) waittime = to;
1467	}	1553	}
1468	#endif	1554	#endif
1469		1555
1470	if (expect_false (block < 0.)) block = 0.;	1556	if (expect_false (waittime < timeout_blocktime))
		1557	waittime = timeout_blocktime;
		1558
		1559	sleeptime = waittime - backend_fudge;
		1560
		1561	if (expect_true (sleeptime > io_blocktime))
		1562	sleeptime = io_blocktime;
		1563
		1564	if (sleeptime)
		1565	{
		1566	ev_sleep (sleeptime);
		1567	waittime -= sleeptime;
		1568	}
1471	}	1569	}
1472		1570
1473	++loop_count;	1571	++loop_count;
1474	backend_poll (EV_A_ block);	1572	backend_poll (EV_A_ waittime);
		1573
		1574	/* update ev_rt_now, do magic */
		1575	time_update (EV_A_ waittime + sleeptime);
1475	}	1576	}
1476
1477	/* update ev_rt_now, do magic */
1478	time_update (EV_A);
1479		1577
1480	/* queue pending timers and reschedule them */	1578	/* queue pending timers and reschedule them */
1481	timers_reify (EV_A); /* relative timers called last */	1579	timers_reify (EV_A); /* relative timers called last */
1482	#if EV_PERIODIC_ENABLE	1580	#if EV_PERIODIC_ENABLE
1483	periodics_reify (EV_A); /* absolute timers called first */	1581	periodics_reify (EV_A); /* absolute timers called first */
…		…
1545	ev_clear_pending (EV_P_ void *w)	1643	ev_clear_pending (EV_P_ void *w)
1546	{	1644	{
1547	W w_ = (W)w;	1645	W w_ = (W)w;
1548	int pending = w_->pending;	1646	int pending = w_->pending;
1549		1647
1550	if (!pending)	1648	if (expect_true (pending))
		1649	{
		1650	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
		1651	w_->pending = 0;
		1652	p->w = 0;
		1653	return p->events;
		1654	}
		1655	else
1551	return 0;	1656	return 0;
1552
1553	w_->pending = 0;
1554	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
1555	p->w = 0;
1556
1557	return p->events;
1558	}	1657	}
1559		1658
1560	void inline_size	1659	void inline_size
1561	pri_adjust (EV_P_ W w)	1660	pri_adjust (EV_P_ W w)
1562	{	1661	{
…		…
1581	w->active = 0;	1680	w->active = 0;
1582	}	1681	}
1583		1682
1584	/*****************************************************************************/	1683	/*****************************************************************************/
1585		1684
1586	void	1685	void noinline
1587	ev_io_start (EV_P_ ev_io *w)	1686	ev_io_start (EV_P_ ev_io *w)
1588	{	1687	{
1589	int fd = w->fd;	1688	int fd = w->fd;
1590		1689
1591	if (expect_false (ev_is_active (w)))	1690	if (expect_false (ev_is_active (w)))
…		…
1593		1692
1594	assert (("ev_io_start called with negative fd", fd >= 0));	1693	assert (("ev_io_start called with negative fd", fd >= 0));
1595		1694
1596	ev_start (EV_A_ (W)w, 1);	1695	ev_start (EV_A_ (W)w, 1);
1597	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);	1696	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1598	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1697	wlist_add (&anfds[fd].head, (WL)w);
1599		1698
1600	fd_change (EV_A_ fd);	1699	fd_change (EV_A_ fd, w->events & EV_IOFDSET \| 1);
		1700	w->events &= ~EV_IOFDSET;
1601	}	1701	}
1602		1702
1603	void	1703	void noinline
1604	ev_io_stop (EV_P_ ev_io *w)	1704	ev_io_stop (EV_P_ ev_io *w)
1605	{	1705	{
1606	clear_pending (EV_A_ (W)w);	1706	clear_pending (EV_A_ (W)w);
1607	if (expect_false (!ev_is_active (w)))	1707	if (expect_false (!ev_is_active (w)))
1608	return;	1708	return;
1609		1709
1610	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	1710	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1611		1711
1612	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1712	wlist_del (&anfds[w->fd].head, (WL)w);
1613	ev_stop (EV_A_ (W)w);	1713	ev_stop (EV_A_ (W)w);
1614		1714
1615	fd_change (EV_A_ w->fd);	1715	fd_change (EV_A_ w->fd, 1);
1616	}	1716	}
1617		1717
1618	void	1718	void noinline
1619	ev_timer_start (EV_P_ ev_timer *w)	1719	ev_timer_start (EV_P_ ev_timer *w)
1620	{	1720	{
1621	if (expect_false (ev_is_active (w)))	1721	if (expect_false (ev_is_active (w)))
1622	return;	1722	return;
1623		1723
1624	((WT)w)->at += mn_now;	1724	((WT)w)->at += mn_now;
1625		1725
1626	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1726	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1627		1727
1628	ev_start (EV_A_ (W)w, ++timercnt);	1728	ev_start (EV_A_ (W)w, ++timercnt);
1629	array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2);	1729	array_needsize (WT, timers, timermax, timercnt, EMPTY2);
1630	timers [timercnt - 1] = w;	1730	timers [timercnt - 1] = (WT)w;
1631	upheap ((WT *)timers, timercnt - 1);	1731	upheap (timers, timercnt - 1);
1632		1732
1633	/assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));/	1733	/assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));/
1634	}	1734	}
1635		1735
1636	void	1736	void noinline
1637	ev_timer_stop (EV_P_ ev_timer *w)	1737	ev_timer_stop (EV_P_ ev_timer *w)
1638	{	1738	{
1639	clear_pending (EV_A_ (W)w);	1739	clear_pending (EV_A_ (W)w);
1640	if (expect_false (!ev_is_active (w)))	1740	if (expect_false (!ev_is_active (w)))
1641	return;	1741	return;
1642		1742
1643	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1743	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w));
1644		1744
1645	{	1745	{
1646	int active = ((W)w)->active;	1746	int active = ((W)w)->active;
1647		1747
1648	if (expect_true (--active < --timercnt))	1748	if (expect_true (--active < --timercnt))
1649	{	1749	{
1650	timers [active] = timers [timercnt];	1750	timers [active] = timers [timercnt];
1651	adjustheap ((WT *)timers, timercnt, active);	1751	adjustheap (timers, timercnt, active);
1652	}	1752	}
1653	}	1753	}
1654		1754
1655	((WT)w)->at -= mn_now;	1755	((WT)w)->at -= mn_now;
1656		1756
1657	ev_stop (EV_A_ (W)w);	1757	ev_stop (EV_A_ (W)w);
1658	}	1758	}
1659		1759
1660	void	1760	void noinline
1661	ev_timer_again (EV_P_ ev_timer *w)	1761	ev_timer_again (EV_P_ ev_timer *w)
1662	{	1762	{
1663	if (ev_is_active (w))	1763	if (ev_is_active (w))
1664	{	1764	{
1665	if (w->repeat)	1765	if (w->repeat)
1666	{	1766	{
1667	((WT)w)->at = mn_now + w->repeat;	1767	((WT)w)->at = mn_now + w->repeat;
1668	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1768	adjustheap (timers, timercnt, ((W)w)->active - 1);
1669	}	1769	}
1670	else	1770	else
1671	ev_timer_stop (EV_A_ w);	1771	ev_timer_stop (EV_A_ w);
1672	}	1772	}
1673	else if (w->repeat)	1773	else if (w->repeat)
…		…
1676	ev_timer_start (EV_A_ w);	1776	ev_timer_start (EV_A_ w);
1677	}	1777	}
1678	}	1778	}
1679		1779
1680	#if EV_PERIODIC_ENABLE	1780	#if EV_PERIODIC_ENABLE
1681	void	1781	void noinline
1682	ev_periodic_start (EV_P_ ev_periodic *w)	1782	ev_periodic_start (EV_P_ ev_periodic *w)
1683	{	1783	{
1684	if (expect_false (ev_is_active (w)))	1784	if (expect_false (ev_is_active (w)))
1685	return;	1785	return;
1686		1786
…		…
1688	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1788	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1689	else if (w->interval)	1789	else if (w->interval)
1690	{	1790	{
1691	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1791	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1692	/* this formula differs from the one in periodic_reify because we do not always round up */	1792	/* this formula differs from the one in periodic_reify because we do not always round up */
1693	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;	1793	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1694	}	1794	}
		1795	else
		1796	((WT)w)->at = w->offset;
1695		1797
1696	ev_start (EV_A_ (W)w, ++periodiccnt);	1798	ev_start (EV_A_ (W)w, ++periodiccnt);
1697	array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);	1799	array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2);
1698	periodics [periodiccnt - 1] = w;	1800	periodics [periodiccnt - 1] = (WT)w;
1699	upheap ((WT *)periodics, periodiccnt - 1);	1801	upheap (periodics, periodiccnt - 1);
1700		1802
1701	/assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));/	1803	/assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));/
1702	}	1804	}
1703		1805
1704	void	1806	void noinline
1705	ev_periodic_stop (EV_P_ ev_periodic *w)	1807	ev_periodic_stop (EV_P_ ev_periodic *w)
1706	{	1808	{
1707	clear_pending (EV_A_ (W)w);	1809	clear_pending (EV_A_ (W)w);
1708	if (expect_false (!ev_is_active (w)))	1810	if (expect_false (!ev_is_active (w)))
1709	return;	1811	return;
1710		1812
1711	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1813	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w));
1712		1814
1713	{	1815	{
1714	int active = ((W)w)->active;	1816	int active = ((W)w)->active;
1715		1817
1716	if (expect_true (--active < --periodiccnt))	1818	if (expect_true (--active < --periodiccnt))
1717	{	1819	{
1718	periodics [active] = periodics [periodiccnt];	1820	periodics [active] = periodics [periodiccnt];
1719	adjustheap ((WT *)periodics, periodiccnt, active);	1821	adjustheap (periodics, periodiccnt, active);
1720	}	1822	}
1721	}	1823	}
1722		1824
1723	ev_stop (EV_A_ (W)w);	1825	ev_stop (EV_A_ (W)w);
1724	}	1826	}
1725		1827
1726	void	1828	void noinline
1727	ev_periodic_again (EV_P_ ev_periodic *w)	1829	ev_periodic_again (EV_P_ ev_periodic *w)
1728	{	1830	{
1729	/* TODO: use adjustheap and recalculation */	1831	/* TODO: use adjustheap and recalculation */
1730	ev_periodic_stop (EV_A_ w);	1832	ev_periodic_stop (EV_A_ w);
1731	ev_periodic_start (EV_A_ w);	1833	ev_periodic_start (EV_A_ w);
…		…
1734		1836
1735	#ifndef SA_RESTART	1837	#ifndef SA_RESTART
1736	# define SA_RESTART 0	1838	# define SA_RESTART 0
1737	#endif	1839	#endif
1738		1840
1739	void	1841	void noinline
1740	ev_signal_start (EV_P_ ev_signal *w)	1842	ev_signal_start (EV_P_ ev_signal *w)
1741	{	1843	{
1742	#if EV_MULTIPLICITY	1844	#if EV_MULTIPLICITY
1743	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));	1845	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1744	#endif	1846	#endif
1745	if (expect_false (ev_is_active (w)))	1847	if (expect_false (ev_is_active (w)))
1746	return;	1848	return;
1747		1849
1748	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1850	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1749		1851
		1852	{
		1853	#ifndef _WIN32
		1854	sigset_t full, prev;
		1855	sigfillset (&full);
		1856	sigprocmask (SIG_SETMASK, &full, &prev);
		1857	#endif
		1858
		1859	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
		1860
		1861	#ifndef _WIN32
		1862	sigprocmask (SIG_SETMASK, &prev, 0);
		1863	#endif
		1864	}
		1865
1750	ev_start (EV_A_ (W)w, 1);	1866	ev_start (EV_A_ (W)w, 1);
1751	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1752	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1867	wlist_add (&signals [w->signum - 1].head, (WL)w);
1753		1868
1754	if (!((WL)w)->next)	1869	if (!((WL)w)->next)
1755	{	1870	{
1756	#if _WIN32	1871	#if _WIN32
1757	signal (w->signum, sighandler);	1872	signal (w->signum, sighandler);
…		…
1763	sigaction (w->signum, &sa, 0);	1878	sigaction (w->signum, &sa, 0);
1764	#endif	1879	#endif
1765	}	1880	}
1766	}	1881	}
1767		1882
1768	void	1883	void noinline
1769	ev_signal_stop (EV_P_ ev_signal *w)	1884	ev_signal_stop (EV_P_ ev_signal *w)
1770	{	1885	{
1771	clear_pending (EV_A_ (W)w);	1886	clear_pending (EV_A_ (W)w);
1772	if (expect_false (!ev_is_active (w)))	1887	if (expect_false (!ev_is_active (w)))
1773	return;	1888	return;
1774		1889
1775	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1890	wlist_del (&signals [w->signum - 1].head, (WL)w);
1776	ev_stop (EV_A_ (W)w);	1891	ev_stop (EV_A_ (W)w);
1777		1892
1778	if (!signals [w->signum - 1].head)	1893	if (!signals [w->signum - 1].head)
1779	signal (w->signum, SIG_DFL);	1894	signal (w->signum, SIG_DFL);
1780	}	1895	}
…		…
1787	#endif	1902	#endif
1788	if (expect_false (ev_is_active (w)))	1903	if (expect_false (ev_is_active (w)))
1789	return;	1904	return;
1790		1905
1791	ev_start (EV_A_ (W)w, 1);	1906	ev_start (EV_A_ (W)w, 1);
1792	wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	1907	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1793	}	1908	}
1794		1909
1795	void	1910	void
1796	ev_child_stop (EV_P_ ev_child *w)	1911	ev_child_stop (EV_P_ ev_child *w)
1797	{	1912	{
1798	clear_pending (EV_A_ (W)w);	1913	clear_pending (EV_A_ (W)w);
1799	if (expect_false (!ev_is_active (w)))	1914	if (expect_false (!ev_is_active (w)))
1800	return;	1915	return;
1801		1916
1802	wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	1917	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1803	ev_stop (EV_A_ (W)w);	1918	ev_stop (EV_A_ (W)w);
1804	}	1919	}
1805		1920
1806	#if EV_STAT_ENABLE	1921	#if EV_STAT_ENABLE
1807		1922
…		…
2149		2264
2150	#if EV_EMBED_ENABLE	2265	#if EV_EMBED_ENABLE
2151	void noinline	2266	void noinline
2152	ev_embed_sweep (EV_P_ ev_embed *w)	2267	ev_embed_sweep (EV_P_ ev_embed *w)
2153	{	2268	{
2154	ev_loop (w->loop, EVLOOP_NONBLOCK);	2269	ev_loop (w->other, EVLOOP_NONBLOCK);
2155	}	2270	}
2156		2271
2157	static void	2272	static void
2158	embed_cb (EV_P_ ev_io *io, int revents)	2273	embed_io_cb (EV_P_ ev_io *io, int revents)
2159	{	2274	{
2160	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));	2275	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));
2161		2276
2162	if (ev_cb (w))	2277	if (ev_cb (w))
2163	ev_feed_event (EV_A_ (W)w, EV_EMBED);	2278	ev_feed_event (EV_A_ (W)w, EV_EMBED);
2164	else	2279	else
2165	ev_embed_sweep (loop, w);	2280	ev_loop (w->other, EVLOOP_NONBLOCK);
2166	}	2281	}
		2282
		2283	static void
		2284	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
		2285	{
		2286	ev_embed w = (ev_embed )(((char *)prepare) - offsetof (ev_embed, prepare));
		2287
		2288	{
		2289	struct ev_loop *loop = w->other;
		2290
		2291	while (fdchangecnt)
		2292	{
		2293	fd_reify (EV_A);
		2294	ev_loop (EV_A_ EVLOOP_NONBLOCK);
		2295	}
		2296	}
		2297	}
		2298
		2299	#if 0
		2300	static void
		2301	embed_idle_cb (EV_P_ ev_idle *idle, int revents)
		2302	{
		2303	ev_idle_stop (EV_A_ idle);
		2304	}
		2305	#endif
2167		2306
2168	void	2307	void
2169	ev_embed_start (EV_P_ ev_embed *w)	2308	ev_embed_start (EV_P_ ev_embed *w)
2170	{	2309	{
2171	if (expect_false (ev_is_active (w)))	2310	if (expect_false (ev_is_active (w)))
2172	return;	2311	return;
2173		2312
2174	{	2313	{
2175	struct ev_loop *loop = w->loop;	2314	struct ev_loop *loop = w->other;
2176	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	2315	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2177	ev_io_init (&w->io, embed_cb, backend_fd, EV_READ);	2316	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2178	}	2317	}
2179		2318
2180	ev_set_priority (&w->io, ev_priority (w));	2319	ev_set_priority (&w->io, ev_priority (w));
2181	ev_io_start (EV_A_ &w->io);	2320	ev_io_start (EV_A_ &w->io);
2182		2321
		2322	ev_prepare_init (&w->prepare, embed_prepare_cb);
		2323	ev_set_priority (&w->prepare, EV_MINPRI);
		2324	ev_prepare_start (EV_A_ &w->prepare);
		2325
		2326	/ev_idle_init (&w->idle, e,bed_idle_cb);/
		2327
2183	ev_start (EV_A_ (W)w, 1);	2328	ev_start (EV_A_ (W)w, 1);
2184	}	2329	}
2185		2330
2186	void	2331	void
2187	ev_embed_stop (EV_P_ ev_embed *w)	2332	ev_embed_stop (EV_P_ ev_embed *w)
…		…
2189	clear_pending (EV_A_ (W)w);	2334	clear_pending (EV_A_ (W)w);
2190	if (expect_false (!ev_is_active (w)))	2335	if (expect_false (!ev_is_active (w)))
2191	return;	2336	return;
2192		2337
2193	ev_io_stop (EV_A_ &w->io);	2338	ev_io_stop (EV_A_ &w->io);
		2339	ev_prepare_stop (EV_A_ &w->prepare);
2194		2340
2195	ev_stop (EV_A_ (W)w);	2341	ev_stop (EV_A_ (W)w);
2196	}	2342	}
2197	#endif	2343	#endif
2198		2344
…		…
2287	ev_timer_set (&once->to, timeout, 0.);	2433	ev_timer_set (&once->to, timeout, 0.);
2288	ev_timer_start (EV_A_ &once->to);	2434	ev_timer_start (EV_A_ &once->to);
2289	}	2435	}
2290	}	2436	}
2291		2437
		2438	#if EV_MULTIPLICITY
		2439	#include "ev_wrap.h"
		2440	#endif
		2441
2292	#ifdef __cplusplus	2442	#ifdef __cplusplus
2293	}	2443	}
2294	#endif	2444	#endif
2295		2445

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Comparing libev/ev.c (file contents): Revision 1.168 by root, Sat Dec 8 14:12:07 2007 UTC vs. Revision 1.196 by root, Sat Dec 22 12:43:28 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.168 by root, Sat Dec 8 14:12:07 2007 UTC vs.
Revision 1.196 by root, Sat Dec 22 12:43:28 2007 UTC