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

Comparing libev/ev.c (file contents):
Revision 1.164 by root, Fri Dec 7 16:44:10 2007 UTC vs.
Revision 1.198 by root, Sun Dec 23 04:45:51 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	#if EV_USE_MONOTONIC
		286	/* sig_atomic_t is used to avoid per-thread variables or locking but still */
		287	/* giving it a reasonably high chance of working on typical architetcures */
255	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	288	static sig_atomic_t have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
		289	#endif
256		290
257	#ifdef _WIN32	291	#ifdef _WIN32
258	# include "ev_win32.c"	292	# include "ev_win32.c"
259	#endif	293	#endif
260		294
…		…
396	{	430	{
397	return ev_rt_now;	431	return ev_rt_now;
398	}	432	}
399	#endif	433	#endif
400		434
		435	void
		436	ev_sleep (ev_tstamp delay)
		437	{
		438	if (delay > 0.)
		439	{
		440	#if EV_USE_NANOSLEEP
		441	struct timespec ts;
		442
		443	ts.tv_sec = (time_t)delay;
		444	ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
		445
		446	nanosleep (&ts, 0);
		447	#elif defined(_WIN32)
		448	Sleep (delay * 1e3);
		449	#else
		450	struct timeval tv;
		451
		452	tv.tv_sec = (time_t)delay;
		453	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
		454
		455	select (0, 0, 0, 0, &tv);
		456	#endif
		457	}
		458	}
		459
		460	/*****************************************************************************/
		461
401	int inline_size	462	int inline_size
402	array_nextsize (int elem, int cur, int cnt)	463	array_nextsize (int elem, int cur, int cnt)
403	{	464	{
404	int ncur = cur + 1;	465	int ncur = cur + 1;
405		466
…		…
417	}	478	}
418		479
419	return ncur;	480	return ncur;
420	}	481	}
421		482
422	inline_speed void *	483	static noinline void *
423	array_realloc (int elem, void base, int cur, int cnt)	484	array_realloc (int elem, void base, int cur, int cnt)
424	{	485	{
425	cur = array_nextsize (elem, cur, cnt);	486	cur = array_nextsize (elem, cur, cnt);
426	return ev_realloc (base, elem * *cur);	487	return ev_realloc (base, elem * *cur);
427	}	488	}
…		…
452		513
453	void noinline	514	void noinline
454	ev_feed_event (EV_P_ void *w, int revents)	515	ev_feed_event (EV_P_ void *w, int revents)
455	{	516	{
456	W w_ = (W)w;	517	W w_ = (W)w;
		518	int pri = ABSPRI (w_);
457		519
458	if (expect_false (w_->pending))	520	if (expect_false (w_->pending))
		521	pendings [pri][w_->pending - 1].events \|= revents;
		522	else
459	{	523	{
		524	w_->pending = ++pendingcnt [pri];
		525	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
		526	pendings [pri][w_->pending - 1].w = w_;
460	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;	527	pendings [pri][w_->pending - 1].events = revents;
461	return;
462	}	528	}
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	}	529	}
469		530
470	void inline_size	531	void inline_speed
471	queue_events (EV_P_ W *events, int eventcnt, int type)	532	queue_events (EV_P_ W *events, int eventcnt, int type)
472	{	533	{
473	int i;	534	int i;
474		535
475	for (i = 0; i < eventcnt; ++i)	536	for (i = 0; i < eventcnt; ++i)
…		…
507	}	568	}
508		569
509	void	570	void
510	ev_feed_fd_event (EV_P_ int fd, int revents)	571	ev_feed_fd_event (EV_P_ int fd, int revents)
511	{	572	{
		573	if (fd >= 0 && fd < anfdmax)
512	fd_event (EV_A_ fd, revents);	574	fd_event (EV_A_ fd, revents);
513	}	575	}
514		576
515	void inline_size	577	void inline_size
516	fd_reify (EV_P)	578	fd_reify (EV_P)
517	{	579	{
…		…
521	{	583	{
522	int fd = fdchanges [i];	584	int fd = fdchanges [i];
523	ANFD *anfd = anfds + fd;	585	ANFD *anfd = anfds + fd;
524	ev_io *w;	586	ev_io *w;
525		587
526	int events = 0;	588	unsigned char events = 0;
527		589
528	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)	590	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)
529	events \|= w->events;	591	events \|= (unsigned char)w->events;
530		592
531	#if EV_SELECT_IS_WINSOCKET	593	#if EV_SELECT_IS_WINSOCKET
532	if (events)	594	if (events)
533	{	595	{
534	unsigned long argp;	596	unsigned long argp;
535	anfd->handle = _get_osfhandle (fd);	597	anfd->handle = _get_osfhandle (fd);
536	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));	598	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
537	}	599	}
538	#endif	600	#endif
539		601
		602	{
		603	unsigned char o_events = anfd->events;
		604	unsigned char o_reify = anfd->reify;
		605
540	anfd->reify = 0;	606	anfd->reify = 0;
541
542	backend_modify (EV_A_ fd, anfd->events, events);
543	anfd->events = events;	607	anfd->events = events;
		608
		609	if (o_events != events \|\| o_reify & EV_IOFDSET)
		610	backend_modify (EV_A_ fd, o_events, events);
		611	}
544	}	612	}
545		613
546	fdchangecnt = 0;	614	fdchangecnt = 0;
547	}	615	}
548		616
549	void inline_size	617	void inline_size
550	fd_change (EV_P_ int fd)	618	fd_change (EV_P_ int fd, int flags)
551	{	619	{
552	if (expect_false (anfds [fd].reify))	620	unsigned char reify = anfds [fd].reify;
553	return;
554
555	anfds [fd].reify = 1;	621	anfds [fd].reify \|= flags;
556		622
		623	if (expect_true (!reify))
		624	{
557	++fdchangecnt;	625	++fdchangecnt;
558	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	626	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
559	fdchanges [fdchangecnt - 1] = fd;	627	fdchanges [fdchangecnt - 1] = fd;
		628	}
560	}	629	}
561		630
562	void inline_speed	631	void inline_speed
563	fd_kill (EV_P_ int fd)	632	fd_kill (EV_P_ int fd)
564	{	633	{
…		…
615		684
616	for (fd = 0; fd < anfdmax; ++fd)	685	for (fd = 0; fd < anfdmax; ++fd)
617	if (anfds [fd].events)	686	if (anfds [fd].events)
618	{	687	{
619	anfds [fd].events = 0;	688	anfds [fd].events = 0;
620	fd_change (EV_A_ fd);	689	fd_change (EV_A_ fd, EV_IOFDSET \| 1);
621	}	690	}
622	}	691	}
623		692
624	/*****************************************************************************/	693	/*****************************************************************************/
625		694
626	void inline_speed	695	void inline_speed
627	upheap (WT *heap, int k)	696	upheap (WT *heap, int k)
628	{	697	{
629	WT w = heap [k];	698	WT w = heap [k];
630		699
631	while (k && heap [k >> 1]->at > w->at)	700	while (k)
632	{	701	{
		702	int p = (k - 1) >> 1;
		703
		704	if (heap [p]->at <= w->at)
		705	break;
		706
633	heap [k] = heap [k >> 1];	707	heap [k] = heap [p];
634	((W)heap [k])->active = k + 1;	708	((W)heap [k])->active = k + 1;
635	k >>= 1;	709	k = p;
636	}	710	}
637		711
638	heap [k] = w;	712	heap [k] = w;
639	((W)heap [k])->active = k + 1;	713	((W)heap [k])->active = k + 1;
640
641	}	714	}
642		715
643	void inline_speed	716	void inline_speed
644	downheap (WT *heap, int N, int k)	717	downheap (WT *heap, int N, int k)
645	{	718	{
646	WT w = heap [k];	719	WT w = heap [k];
647		720
648	while (k < (N >> 1))	721	for (;;)
649	{	722	{
650	int j = k << 1;	723	int c = (k << 1) + 1;
651		724
652	if (j + 1 < N && heap [j]->at > heap [j + 1]->at)	725	if (c >= N)
653	++j;
654
655	if (w->at <= heap [j]->at)
656	break;	726	break;
657		727
		728	c += c + 1 < N && heap [c]->at > heap [c + 1]->at
		729	? 1 : 0;
		730
		731	if (w->at <= heap [c]->at)
		732	break;
		733
658	heap [k] = heap [j];	734	heap [k] = heap [c];
659	((W)heap [k])->active = k + 1;	735	((W)heap [k])->active = k + 1;
		736
660	k = j;	737	k = c;
661	}	738	}
662		739
663	heap [k] = w;	740	heap [k] = w;
664	((W)heap [k])->active = k + 1;	741	((W)heap [k])->active = k + 1;
665	}	742	}
…		…
747	for (signum = signalmax; signum--; )	824	for (signum = signalmax; signum--; )
748	if (signals [signum].gotsig)	825	if (signals [signum].gotsig)
749	ev_feed_signal_event (EV_A_ signum + 1);	826	ev_feed_signal_event (EV_A_ signum + 1);
750	}	827	}
751		828
752	void inline_size	829	void inline_speed
753	fd_intern (int fd)	830	fd_intern (int fd)
754	{	831	{
755	#ifdef _WIN32	832	#ifdef _WIN32
756	int arg = 1;	833	int arg = 1;
757	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	834	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
…		…
772	ev_unref (EV_A); /* child watcher should not keep loop alive */	849	ev_unref (EV_A); /* child watcher should not keep loop alive */
773	}	850	}
774		851
775	/*****************************************************************************/	852	/*****************************************************************************/
776		853
777	static ev_child *childs [EV_PID_HASHSIZE];	854	static WL childs [EV_PID_HASHSIZE];
778		855
779	#ifndef _WIN32	856	#ifndef _WIN32
780		857
781	static ev_signal childev;	858	static ev_signal childev;
782		859
…		…
897	}	974	}
898		975
899	unsigned int	976	unsigned int
900	ev_embeddable_backends (void)	977	ev_embeddable_backends (void)
901	{	978	{
902	return EVBACKEND_EPOLL	979	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;
903	\| EVBACKEND_KQUEUE	980
904	\| EVBACKEND_PORT;	981	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
		982	/* please fix it and tell me how to detect the fix */
		983	flags &= ~EVBACKEND_EPOLL;
		984
		985	return flags;
905	}	986	}
906		987
907	unsigned int	988	unsigned int
908	ev_backend (EV_P)	989	ev_backend (EV_P)
909	{	990	{
…		…
912		993
913	unsigned int	994	unsigned int
914	ev_loop_count (EV_P)	995	ev_loop_count (EV_P)
915	{	996	{
916	return loop_count;	997	return loop_count;
		998	}
		999
		1000	void
		1001	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)
		1002	{
		1003	io_blocktime = interval;
		1004	}
		1005
		1006	void
		1007	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)
		1008	{
		1009	timeout_blocktime = interval;
917	}	1010	}
918		1011
919	static void noinline	1012	static void noinline
920	loop_init (EV_P_ unsigned int flags)	1013	loop_init (EV_P_ unsigned int flags)
921	{	1014	{
…		…
932	ev_rt_now = ev_time ();	1025	ev_rt_now = ev_time ();
933	mn_now = get_clock ();	1026	mn_now = get_clock ();
934	now_floor = mn_now;	1027	now_floor = mn_now;
935	rtmn_diff = ev_rt_now - mn_now;	1028	rtmn_diff = ev_rt_now - mn_now;
936		1029
		1030	io_blocktime = 0.;
		1031	timeout_blocktime = 0.;
		1032
937	/* pid check not overridable via env */	1033	/* pid check not overridable via env */
938	#ifndef _WIN32	1034	#ifndef _WIN32
939	if (flags & EVFLAG_FORKCHECK)	1035	if (flags & EVFLAG_FORKCHECK)
940	curpid = getpid ();	1036	curpid = getpid ();
941	#endif	1037	#endif
…		…
1009	array_free (pending, [i]);	1105	array_free (pending, [i]);
1010	#if EV_IDLE_ENABLE	1106	#if EV_IDLE_ENABLE
1011	array_free (idle, [i]);	1107	array_free (idle, [i]);
1012	#endif	1108	#endif
1013	}	1109	}
		1110
		1111	ev_free (anfds); anfdmax = 0;
1014		1112
1015	/* have to use the microsoft-never-gets-it-right macro */	1113	/* have to use the microsoft-never-gets-it-right macro */
1016	array_free (fdchange, EMPTY);	1114	array_free (fdchange, EMPTY);
1017	array_free (timer, EMPTY);	1115	array_free (timer, EMPTY);
1018	#if EV_PERIODIC_ENABLE	1116	#if EV_PERIODIC_ENABLE
1019	array_free (periodic, EMPTY);	1117	array_free (periodic, EMPTY);
		1118	#endif
		1119	#if EV_FORK_ENABLE
		1120	array_free (fork, EMPTY);
1020	#endif	1121	#endif
1021	array_free (prepare, EMPTY);	1122	array_free (prepare, EMPTY);
1022	array_free (check, EMPTY);	1123	array_free (check, EMPTY);
1023		1124
1024	backend = 0;	1125	backend = 0;
…		…
1163	postfork = 1;	1264	postfork = 1;
1164	}	1265	}
1165		1266
1166	/*****************************************************************************/	1267	/*****************************************************************************/
1167		1268
		1269	void
		1270	ev_invoke (EV_P_ void *w, int revents)
		1271	{
		1272	EV_CB_INVOKE ((W)w, revents);
		1273	}
		1274
1168	void inline_speed	1275	void inline_speed
1169	call_pending (EV_P)	1276	call_pending (EV_P)
1170	{	1277	{
1171	int pri;	1278	int pri;
1172		1279
…		…
1188	void inline_size	1295	void inline_size
1189	timers_reify (EV_P)	1296	timers_reify (EV_P)
1190	{	1297	{
1191	while (timercnt && ((WT)timers [0])->at <= mn_now)	1298	while (timercnt && ((WT)timers [0])->at <= mn_now)
1192	{	1299	{
1193	ev_timer *w = timers [0];	1300	ev_timer w = (ev_timer )timers [0];
1194		1301
1195	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/	1302	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/
1196		1303
1197	/* first reschedule or stop timer */	1304	/* first reschedule or stop timer */
1198	if (w->repeat)	1305	if (w->repeat)
…		…
1201		1308
1202	((WT)w)->at += w->repeat;	1309	((WT)w)->at += w->repeat;
1203	if (((WT)w)->at < mn_now)	1310	if (((WT)w)->at < mn_now)
1204	((WT)w)->at = mn_now;	1311	((WT)w)->at = mn_now;
1205		1312
1206	downheap ((WT *)timers, timercnt, 0);	1313	downheap (timers, timercnt, 0);
1207	}	1314	}
1208	else	1315	else
1209	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1316	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1210		1317
1211	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1318	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
…		…
1216	void inline_size	1323	void inline_size
1217	periodics_reify (EV_P)	1324	periodics_reify (EV_P)
1218	{	1325	{
1219	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)	1326	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1220	{	1327	{
1221	ev_periodic *w = periodics [0];	1328	ev_periodic w = (ev_periodic )periodics [0];
1222		1329
1223	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/	1330	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/
1224		1331
1225	/* first reschedule or stop timer */	1332	/* first reschedule or stop timer */
1226	if (w->reschedule_cb)	1333	if (w->reschedule_cb)
1227	{	1334	{
1228	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);	1335	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON);
1229	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));	1336	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1230	downheap ((WT *)periodics, periodiccnt, 0);	1337	downheap (periodics, periodiccnt, 0);
1231	}	1338	}
1232	else if (w->interval)	1339	else if (w->interval)
1233	{	1340	{
1234	((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;	1341	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
		1342	if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval;
1235	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));	1343	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
1236	downheap ((WT *)periodics, periodiccnt, 0);	1344	downheap (periodics, periodiccnt, 0);
1237	}	1345	}
1238	else	1346	else
1239	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1347	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1240		1348
1241	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);	1349	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
…		…
1248	int i;	1356	int i;
1249		1357
1250	/* adjust periodics after time jump */	1358	/* adjust periodics after time jump */
1251	for (i = 0; i < periodiccnt; ++i)	1359	for (i = 0; i < periodiccnt; ++i)
1252	{	1360	{
1253	ev_periodic *w = periodics [i];	1361	ev_periodic w = (ev_periodic )periodics [i];
1254		1362
1255	if (w->reschedule_cb)	1363	if (w->reschedule_cb)
1256	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1364	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1257	else if (w->interval)	1365	else if (w->interval)
1258	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;	1366	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1259	}	1367	}
1260		1368
1261	/* now rebuild the heap */	1369	/* now rebuild the heap */
1262	for (i = periodiccnt >> 1; i--; )	1370	for (i = periodiccnt >> 1; i--; )
1263	downheap ((WT *)periodics, periodiccnt, i);	1371	downheap (periodics, periodiccnt, i);
1264	}	1372	}
1265	#endif	1373	#endif
1266		1374
1267	#if EV_IDLE_ENABLE	1375	#if EV_IDLE_ENABLE
1268	void inline_size	1376	void inline_size
1269	idle_reify (EV_P)	1377	idle_reify (EV_P)
1270	{	1378	{
1271	if (expect_false (!idleall))	1379	if (expect_false (idleall))
1272	{	1380	{
1273	int pri;	1381	int pri;
1274		1382
1275	for (pri = NUMPRI; pri--; )	1383	for (pri = NUMPRI; pri--; )
1276	{	1384	{
…		…
1285	}	1393	}
1286	}	1394	}
1287	}	1395	}
1288	#endif	1396	#endif
1289		1397
1290	int inline_size	1398	void inline_speed
1291	time_update_monotonic (EV_P)	1399	time_update (EV_P_ ev_tstamp max_block)
1292	{	1400	{
		1401	int i;
		1402
		1403	#if EV_USE_MONOTONIC
		1404	if (expect_true (have_monotonic))
		1405	{
		1406	ev_tstamp odiff = rtmn_diff;
		1407
1293	mn_now = get_clock ();	1408	mn_now = get_clock ();
1294		1409
		1410	/* only fetch the realtime clock every 0.5MIN_TIMEJUMP seconds /
		1411	/* interpolate in the meantime */
1295	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1412	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
1296	{	1413	{
1297	ev_rt_now = rtmn_diff + mn_now;	1414	ev_rt_now = rtmn_diff + mn_now;
1298	return 0;	1415	return;
1299	}	1416	}
1300	else	1417
1301	{
1302	now_floor = mn_now;	1418	now_floor = mn_now;
1303	ev_rt_now = ev_time ();	1419	ev_rt_now = ev_time ();
1304	return 1;
1305	}
1306	}
1307		1420
1308	void inline_size	1421	/* loop a few times, before making important decisions.
1309	time_update (EV_P)	1422	* on the choice of "4": one iteration isn't enough,
1310	{	1423	* in case we get preempted during the calls to
1311	int i;	1424	* ev_time and get_clock. a second call is almost guaranteed
1312		1425	* to succeed in that case, though. and looping a few more times
1313	#if EV_USE_MONOTONIC	1426	* doesn't hurt either as we only do this on time-jumps or
1314	if (expect_true (have_monotonic))	1427	* in the unlikely event of having been preempted here.
1315	{	1428	*/
1316	if (time_update_monotonic (EV_A))	1429	for (i = 4; --i; )
1317	{	1430	{
1318	ev_tstamp odiff = rtmn_diff;
1319
1320	/* loop a few times, before making important decisions.
1321	* on the choice of "4": one iteration isn't enough,
1322	* in case we get preempted during the calls to
1323	* ev_time and get_clock. a second call is almost guaranteed
1324	* to succeed in that case, though. and looping a few more times
1325	* doesn't hurt either as we only do this on time-jumps or
1326	* in the unlikely event of having been preempted here.
1327	*/
1328	for (i = 4; --i; )
1329	{
1330	rtmn_diff = ev_rt_now - mn_now;	1431	rtmn_diff = ev_rt_now - mn_now;
1331		1432
1332	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1433	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
1333	return; /* all is well */	1434	return; /* all is well */
1334		1435
1335	ev_rt_now = ev_time ();	1436	ev_rt_now = ev_time ();
1336	mn_now = get_clock ();	1437	mn_now = get_clock ();
1337	now_floor = mn_now;	1438	now_floor = mn_now;
1338	}	1439	}
1339		1440
1340	# if EV_PERIODIC_ENABLE	1441	# if EV_PERIODIC_ENABLE
1341	periodics_reschedule (EV_A);	1442	periodics_reschedule (EV_A);
1342	# endif	1443	# endif
1343	/* no timer adjustment, as the monotonic clock doesn't jump */	1444	/* no timer adjustment, as the monotonic clock doesn't jump */
1344	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */	1445	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1345	}
1346	}	1446	}
1347	else	1447	else
1348	#endif	1448	#endif
1349	{	1449	{
1350	ev_rt_now = ev_time ();	1450	ev_rt_now = ev_time ();
1351		1451
1352	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1452	if (expect_false (mn_now > ev_rt_now \|\| ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))
1353	{	1453	{
1354	#if EV_PERIODIC_ENABLE	1454	#if EV_PERIODIC_ENABLE
1355	periodics_reschedule (EV_A);	1455	periodics_reschedule (EV_A);
1356	#endif	1456	#endif
1357
1358	/* adjust timers. this is easy, as the offset is the same for all of them */	1457	/* adjust timers. this is easy, as the offset is the same for all of them */
1359	for (i = 0; i < timercnt; ++i)	1458	for (i = 0; i < timercnt; ++i)
1360	((WT)timers [i])->at += ev_rt_now - mn_now;	1459	((WT)timers [i])->at += ev_rt_now - mn_now;
1361	}	1460	}
1362		1461
…		…
1406	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	1505	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
1407	call_pending (EV_A);	1506	call_pending (EV_A);
1408	}	1507	}
1409	#endif	1508	#endif
1410		1509
1411	/* queue check watchers (and execute them) */	1510	/* queue prepare watchers (and execute them) */
1412	if (expect_false (preparecnt))	1511	if (expect_false (preparecnt))
1413	{	1512	{
1414	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1513	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
1415	call_pending (EV_A);	1514	call_pending (EV_A);
1416	}	1515	}
…		…
1425	/* update fd-related kernel structures */	1524	/* update fd-related kernel structures */
1426	fd_reify (EV_A);	1525	fd_reify (EV_A);
1427		1526
1428	/* calculate blocking time */	1527	/* calculate blocking time */
1429	{	1528	{
1430	ev_tstamp block;	1529	ev_tstamp waittime = 0.;
		1530	ev_tstamp sleeptime = 0.;
1431		1531
1432	if (expect_false (flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt))	1532	if (expect_true (!(flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt)))
1433	block = 0.; /* do not block at all */
1434	else
1435	{	1533	{
1436	/* update time to cancel out callback processing overhead */	1534	/* update time to cancel out callback processing overhead */
1437	#if EV_USE_MONOTONIC
1438	if (expect_true (have_monotonic))
1439	time_update_monotonic (EV_A);	1535	time_update (EV_A_ 1e100);
1440	else
1441	#endif
1442	{
1443	ev_rt_now = ev_time ();
1444	mn_now = ev_rt_now;
1445	}
1446		1536
1447	block = MAX_BLOCKTIME;	1537	waittime = MAX_BLOCKTIME;
1448		1538
1449	if (timercnt)	1539	if (timercnt)
1450	{	1540	{
1451	ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;	1541	ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;
1452	if (block > to) block = to;	1542	if (waittime > to) waittime = to;
1453	}	1543	}
1454		1544
1455	#if EV_PERIODIC_ENABLE	1545	#if EV_PERIODIC_ENABLE
1456	if (periodiccnt)	1546	if (periodiccnt)
1457	{	1547	{
1458	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge;	1548	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge;
1459	if (block > to) block = to;	1549	if (waittime > to) waittime = to;
1460	}	1550	}
1461	#endif	1551	#endif
1462		1552
1463	if (expect_false (block < 0.)) block = 0.;	1553	if (expect_false (waittime < timeout_blocktime))
		1554	waittime = timeout_blocktime;
		1555
		1556	sleeptime = waittime - backend_fudge;
		1557
		1558	if (expect_true (sleeptime > io_blocktime))
		1559	sleeptime = io_blocktime;
		1560
		1561	if (sleeptime)
		1562	{
		1563	ev_sleep (sleeptime);
		1564	waittime -= sleeptime;
		1565	}
1464	}	1566	}
1465		1567
1466	++loop_count;	1568	++loop_count;
1467	backend_poll (EV_A_ block);	1569	backend_poll (EV_A_ waittime);
		1570
		1571	/* update ev_rt_now, do magic */
		1572	time_update (EV_A_ waittime + sleeptime);
1468	}	1573	}
1469
1470	/* update ev_rt_now, do magic */
1471	time_update (EV_A);
1472		1574
1473	/* queue pending timers and reschedule them */	1575	/* queue pending timers and reschedule them */
1474	timers_reify (EV_A); /* relative timers called last */	1576	timers_reify (EV_A); /* relative timers called last */
1475	#if EV_PERIODIC_ENABLE	1577	#if EV_PERIODIC_ENABLE
1476	periodics_reify (EV_A); /* absolute timers called first */	1578	periodics_reify (EV_A); /* absolute timers called first */
…		…
1523	head = &(*head)->next;	1625	head = &(*head)->next;
1524	}	1626	}
1525	}	1627	}
1526		1628
1527	void inline_speed	1629	void inline_speed
1528	ev_clear_pending (EV_P_ W w)	1630	clear_pending (EV_P_ W w)
1529	{	1631	{
1530	if (w->pending)	1632	if (w->pending)
1531	{	1633	{
1532	pendings [ABSPRI (w)][w->pending - 1].w = 0;	1634	pendings [ABSPRI (w)][w->pending - 1].w = 0;
1533	w->pending = 0;	1635	w->pending = 0;
1534	}	1636	}
		1637	}
		1638
		1639	int
		1640	ev_clear_pending (EV_P_ void *w)
		1641	{
		1642	W w_ = (W)w;
		1643	int pending = w_->pending;
		1644
		1645	if (expect_true (pending))
		1646	{
		1647	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
		1648	w_->pending = 0;
		1649	p->w = 0;
		1650	return p->events;
		1651	}
		1652	else
		1653	return 0;
1535	}	1654	}
1536		1655
1537	void inline_size	1656	void inline_size
1538	pri_adjust (EV_P_ W w)	1657	pri_adjust (EV_P_ W w)
1539	{	1658	{
…		…
1558	w->active = 0;	1677	w->active = 0;
1559	}	1678	}
1560		1679
1561	/*****************************************************************************/	1680	/*****************************************************************************/
1562		1681
1563	void	1682	void noinline
1564	ev_io_start (EV_P_ ev_io *w)	1683	ev_io_start (EV_P_ ev_io *w)
1565	{	1684	{
1566	int fd = w->fd;	1685	int fd = w->fd;
1567		1686
1568	if (expect_false (ev_is_active (w)))	1687	if (expect_false (ev_is_active (w)))
…		…
1570		1689
1571	assert (("ev_io_start called with negative fd", fd >= 0));	1690	assert (("ev_io_start called with negative fd", fd >= 0));
1572		1691
1573	ev_start (EV_A_ (W)w, 1);	1692	ev_start (EV_A_ (W)w, 1);
1574	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);	1693	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1575	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1694	wlist_add (&anfds[fd].head, (WL)w);
1576		1695
1577	fd_change (EV_A_ fd);	1696	fd_change (EV_A_ fd, w->events & EV_IOFDSET \| 1);
		1697	w->events &= ~EV_IOFDSET;
1578	}	1698	}
1579		1699
1580	void	1700	void noinline
1581	ev_io_stop (EV_P_ ev_io *w)	1701	ev_io_stop (EV_P_ ev_io *w)
1582	{	1702	{
1583	ev_clear_pending (EV_A_ (W)w);	1703	clear_pending (EV_A_ (W)w);
1584	if (expect_false (!ev_is_active (w)))	1704	if (expect_false (!ev_is_active (w)))
1585	return;	1705	return;
1586		1706
1587	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	1707	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1588		1708
1589	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1709	wlist_del (&anfds[w->fd].head, (WL)w);
1590	ev_stop (EV_A_ (W)w);	1710	ev_stop (EV_A_ (W)w);
1591		1711
1592	fd_change (EV_A_ w->fd);	1712	fd_change (EV_A_ w->fd, 1);
1593	}	1713	}
1594		1714
1595	void	1715	void noinline
1596	ev_timer_start (EV_P_ ev_timer *w)	1716	ev_timer_start (EV_P_ ev_timer *w)
1597	{	1717	{
1598	if (expect_false (ev_is_active (w)))	1718	if (expect_false (ev_is_active (w)))
1599	return;	1719	return;
1600		1720
1601	((WT)w)->at += mn_now;	1721	((WT)w)->at += mn_now;
1602		1722
1603	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1723	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1604		1724
1605	ev_start (EV_A_ (W)w, ++timercnt);	1725	ev_start (EV_A_ (W)w, ++timercnt);
1606	array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2);	1726	array_needsize (WT, timers, timermax, timercnt, EMPTY2);
1607	timers [timercnt - 1] = w;	1727	timers [timercnt - 1] = (WT)w;
1608	upheap ((WT *)timers, timercnt - 1);	1728	upheap (timers, timercnt - 1);
1609		1729
1610	/assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));/	1730	/assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));/
1611	}	1731	}
1612		1732
1613	void	1733	void noinline
1614	ev_timer_stop (EV_P_ ev_timer *w)	1734	ev_timer_stop (EV_P_ ev_timer *w)
1615	{	1735	{
1616	ev_clear_pending (EV_A_ (W)w);	1736	clear_pending (EV_A_ (W)w);
1617	if (expect_false (!ev_is_active (w)))	1737	if (expect_false (!ev_is_active (w)))
1618	return;	1738	return;
1619		1739
1620	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1740	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w));
1621		1741
1622	{	1742	{
1623	int active = ((W)w)->active;	1743	int active = ((W)w)->active;
1624		1744
1625	if (expect_true (--active < --timercnt))	1745	if (expect_true (--active < --timercnt))
1626	{	1746	{
1627	timers [active] = timers [timercnt];	1747	timers [active] = timers [timercnt];
1628	adjustheap ((WT *)timers, timercnt, active);	1748	adjustheap (timers, timercnt, active);
1629	}	1749	}
1630	}	1750	}
1631		1751
1632	((WT)w)->at -= mn_now;	1752	((WT)w)->at -= mn_now;
1633		1753
1634	ev_stop (EV_A_ (W)w);	1754	ev_stop (EV_A_ (W)w);
1635	}	1755	}
1636		1756
1637	void	1757	void noinline
1638	ev_timer_again (EV_P_ ev_timer *w)	1758	ev_timer_again (EV_P_ ev_timer *w)
1639	{	1759	{
1640	if (ev_is_active (w))	1760	if (ev_is_active (w))
1641	{	1761	{
1642	if (w->repeat)	1762	if (w->repeat)
1643	{	1763	{
1644	((WT)w)->at = mn_now + w->repeat;	1764	((WT)w)->at = mn_now + w->repeat;
1645	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1765	adjustheap (timers, timercnt, ((W)w)->active - 1);
1646	}	1766	}
1647	else	1767	else
1648	ev_timer_stop (EV_A_ w);	1768	ev_timer_stop (EV_A_ w);
1649	}	1769	}
1650	else if (w->repeat)	1770	else if (w->repeat)
…		…
1653	ev_timer_start (EV_A_ w);	1773	ev_timer_start (EV_A_ w);
1654	}	1774	}
1655	}	1775	}
1656		1776
1657	#if EV_PERIODIC_ENABLE	1777	#if EV_PERIODIC_ENABLE
1658	void	1778	void noinline
1659	ev_periodic_start (EV_P_ ev_periodic *w)	1779	ev_periodic_start (EV_P_ ev_periodic *w)
1660	{	1780	{
1661	if (expect_false (ev_is_active (w)))	1781	if (expect_false (ev_is_active (w)))
1662	return;	1782	return;
1663		1783
…		…
1665	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1785	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1666	else if (w->interval)	1786	else if (w->interval)
1667	{	1787	{
1668	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1788	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1669	/* this formula differs from the one in periodic_reify because we do not always round up */	1789	/* this formula differs from the one in periodic_reify because we do not always round up */
1670	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;	1790	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1671	}	1791	}
		1792	else
		1793	((WT)w)->at = w->offset;
1672		1794
1673	ev_start (EV_A_ (W)w, ++periodiccnt);	1795	ev_start (EV_A_ (W)w, ++periodiccnt);
1674	array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);	1796	array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2);
1675	periodics [periodiccnt - 1] = w;	1797	periodics [periodiccnt - 1] = (WT)w;
1676	upheap ((WT *)periodics, periodiccnt - 1);	1798	upheap (periodics, periodiccnt - 1);
1677		1799
1678	/assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));/	1800	/assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));/
1679	}	1801	}
1680		1802
1681	void	1803	void noinline
1682	ev_periodic_stop (EV_P_ ev_periodic *w)	1804	ev_periodic_stop (EV_P_ ev_periodic *w)
1683	{	1805	{
1684	ev_clear_pending (EV_A_ (W)w);	1806	clear_pending (EV_A_ (W)w);
1685	if (expect_false (!ev_is_active (w)))	1807	if (expect_false (!ev_is_active (w)))
1686	return;	1808	return;
1687		1809
1688	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1810	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w));
1689		1811
1690	{	1812	{
1691	int active = ((W)w)->active;	1813	int active = ((W)w)->active;
1692		1814
1693	if (expect_true (--active < --periodiccnt))	1815	if (expect_true (--active < --periodiccnt))
1694	{	1816	{
1695	periodics [active] = periodics [periodiccnt];	1817	periodics [active] = periodics [periodiccnt];
1696	adjustheap ((WT *)periodics, periodiccnt, active);	1818	adjustheap (periodics, periodiccnt, active);
1697	}	1819	}
1698	}	1820	}
1699		1821
1700	ev_stop (EV_A_ (W)w);	1822	ev_stop (EV_A_ (W)w);
1701	}	1823	}
1702		1824
1703	void	1825	void noinline
1704	ev_periodic_again (EV_P_ ev_periodic *w)	1826	ev_periodic_again (EV_P_ ev_periodic *w)
1705	{	1827	{
1706	/* TODO: use adjustheap and recalculation */	1828	/* TODO: use adjustheap and recalculation */
1707	ev_periodic_stop (EV_A_ w);	1829	ev_periodic_stop (EV_A_ w);
1708	ev_periodic_start (EV_A_ w);	1830	ev_periodic_start (EV_A_ w);
…		…
1711		1833
1712	#ifndef SA_RESTART	1834	#ifndef SA_RESTART
1713	# define SA_RESTART 0	1835	# define SA_RESTART 0
1714	#endif	1836	#endif
1715		1837
1716	void	1838	void noinline
1717	ev_signal_start (EV_P_ ev_signal *w)	1839	ev_signal_start (EV_P_ ev_signal *w)
1718	{	1840	{
1719	#if EV_MULTIPLICITY	1841	#if EV_MULTIPLICITY
1720	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));	1842	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1721	#endif	1843	#endif
1722	if (expect_false (ev_is_active (w)))	1844	if (expect_false (ev_is_active (w)))
1723	return;	1845	return;
1724		1846
1725	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1847	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1726		1848
		1849	{
		1850	#ifndef _WIN32
		1851	sigset_t full, prev;
		1852	sigfillset (&full);
		1853	sigprocmask (SIG_SETMASK, &full, &prev);
		1854	#endif
		1855
		1856	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
		1857
		1858	#ifndef _WIN32
		1859	sigprocmask (SIG_SETMASK, &prev, 0);
		1860	#endif
		1861	}
		1862
1727	ev_start (EV_A_ (W)w, 1);	1863	ev_start (EV_A_ (W)w, 1);
1728	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1729	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1864	wlist_add (&signals [w->signum - 1].head, (WL)w);
1730		1865
1731	if (!((WL)w)->next)	1866	if (!((WL)w)->next)
1732	{	1867	{
1733	#if _WIN32	1868	#if _WIN32
1734	signal (w->signum, sighandler);	1869	signal (w->signum, sighandler);
…		…
1740	sigaction (w->signum, &sa, 0);	1875	sigaction (w->signum, &sa, 0);
1741	#endif	1876	#endif
1742	}	1877	}
1743	}	1878	}
1744		1879
1745	void	1880	void noinline
1746	ev_signal_stop (EV_P_ ev_signal *w)	1881	ev_signal_stop (EV_P_ ev_signal *w)
1747	{	1882	{
1748	ev_clear_pending (EV_A_ (W)w);	1883	clear_pending (EV_A_ (W)w);
1749	if (expect_false (!ev_is_active (w)))	1884	if (expect_false (!ev_is_active (w)))
1750	return;	1885	return;
1751		1886
1752	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1887	wlist_del (&signals [w->signum - 1].head, (WL)w);
1753	ev_stop (EV_A_ (W)w);	1888	ev_stop (EV_A_ (W)w);
1754		1889
1755	if (!signals [w->signum - 1].head)	1890	if (!signals [w->signum - 1].head)
1756	signal (w->signum, SIG_DFL);	1891	signal (w->signum, SIG_DFL);
1757	}	1892	}
…		…
1764	#endif	1899	#endif
1765	if (expect_false (ev_is_active (w)))	1900	if (expect_false (ev_is_active (w)))
1766	return;	1901	return;
1767		1902
1768	ev_start (EV_A_ (W)w, 1);	1903	ev_start (EV_A_ (W)w, 1);
1769	wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	1904	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1770	}	1905	}
1771		1906
1772	void	1907	void
1773	ev_child_stop (EV_P_ ev_child *w)	1908	ev_child_stop (EV_P_ ev_child *w)
1774	{	1909	{
1775	ev_clear_pending (EV_A_ (W)w);	1910	clear_pending (EV_A_ (W)w);
1776	if (expect_false (!ev_is_active (w)))	1911	if (expect_false (!ev_is_active (w)))
1777	return;	1912	return;
1778		1913
1779	wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	1914	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1780	ev_stop (EV_A_ (W)w);	1915	ev_stop (EV_A_ (W)w);
1781	}	1916	}
1782		1917
1783	#if EV_STAT_ENABLE	1918	#if EV_STAT_ENABLE
1784		1919
…		…
2016	}	2151	}
2017		2152
2018	void	2153	void
2019	ev_stat_stop (EV_P_ ev_stat *w)	2154	ev_stat_stop (EV_P_ ev_stat *w)
2020	{	2155	{
2021	ev_clear_pending (EV_A_ (W)w);	2156	clear_pending (EV_A_ (W)w);
2022	if (expect_false (!ev_is_active (w)))	2157	if (expect_false (!ev_is_active (w)))
2023	return;	2158	return;
2024		2159
2025	#if EV_USE_INOTIFY	2160	#if EV_USE_INOTIFY
2026	infy_del (EV_A_ w);	2161	infy_del (EV_A_ w);
…		…
2052	}	2187	}
2053		2188
2054	void	2189	void
2055	ev_idle_stop (EV_P_ ev_idle *w)	2190	ev_idle_stop (EV_P_ ev_idle *w)
2056	{	2191	{
2057	ev_clear_pending (EV_A_ (W)w);	2192	clear_pending (EV_A_ (W)w);
2058	if (expect_false (!ev_is_active (w)))	2193	if (expect_false (!ev_is_active (w)))
2059	return;	2194	return;
2060		2195
2061	{	2196	{
2062	int active = ((W)w)->active;	2197	int active = ((W)w)->active;
…		…
2082	}	2217	}
2083		2218
2084	void	2219	void
2085	ev_prepare_stop (EV_P_ ev_prepare *w)	2220	ev_prepare_stop (EV_P_ ev_prepare *w)
2086	{	2221	{
2087	ev_clear_pending (EV_A_ (W)w);	2222	clear_pending (EV_A_ (W)w);
2088	if (expect_false (!ev_is_active (w)))	2223	if (expect_false (!ev_is_active (w)))
2089	return;	2224	return;
2090		2225
2091	{	2226	{
2092	int active = ((W)w)->active;	2227	int active = ((W)w)->active;
…		…
2109	}	2244	}
2110		2245
2111	void	2246	void
2112	ev_check_stop (EV_P_ ev_check *w)	2247	ev_check_stop (EV_P_ ev_check *w)
2113	{	2248	{
2114	ev_clear_pending (EV_A_ (W)w);	2249	clear_pending (EV_A_ (W)w);
2115	if (expect_false (!ev_is_active (w)))	2250	if (expect_false (!ev_is_active (w)))
2116	return;	2251	return;
2117		2252
2118	{	2253	{
2119	int active = ((W)w)->active;	2254	int active = ((W)w)->active;
…		…
2126		2261
2127	#if EV_EMBED_ENABLE	2262	#if EV_EMBED_ENABLE
2128	void noinline	2263	void noinline
2129	ev_embed_sweep (EV_P_ ev_embed *w)	2264	ev_embed_sweep (EV_P_ ev_embed *w)
2130	{	2265	{
2131	ev_loop (w->loop, EVLOOP_NONBLOCK);	2266	ev_loop (w->other, EVLOOP_NONBLOCK);
2132	}	2267	}
2133		2268
2134	static void	2269	static void
2135	embed_cb (EV_P_ ev_io *io, int revents)	2270	embed_io_cb (EV_P_ ev_io *io, int revents)
2136	{	2271	{
2137	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));	2272	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));
2138		2273
2139	if (ev_cb (w))	2274	if (ev_cb (w))
2140	ev_feed_event (EV_A_ (W)w, EV_EMBED);	2275	ev_feed_event (EV_A_ (W)w, EV_EMBED);
2141	else	2276	else
2142	ev_embed_sweep (loop, w);	2277	ev_loop (w->other, EVLOOP_NONBLOCK);
2143	}	2278	}
		2279
		2280	static void
		2281	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
		2282	{
		2283	ev_embed w = (ev_embed )(((char *)prepare) - offsetof (ev_embed, prepare));
		2284
		2285	{
		2286	struct ev_loop *loop = w->other;
		2287
		2288	while (fdchangecnt)
		2289	{
		2290	fd_reify (EV_A);
		2291	ev_loop (EV_A_ EVLOOP_NONBLOCK);
		2292	}
		2293	}
		2294	}
		2295
		2296	#if 0
		2297	static void
		2298	embed_idle_cb (EV_P_ ev_idle *idle, int revents)
		2299	{
		2300	ev_idle_stop (EV_A_ idle);
		2301	}
		2302	#endif
2144		2303
2145	void	2304	void
2146	ev_embed_start (EV_P_ ev_embed *w)	2305	ev_embed_start (EV_P_ ev_embed *w)
2147	{	2306	{
2148	if (expect_false (ev_is_active (w)))	2307	if (expect_false (ev_is_active (w)))
2149	return;	2308	return;
2150		2309
2151	{	2310	{
2152	struct ev_loop *loop = w->loop;	2311	struct ev_loop *loop = w->other;
2153	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	2312	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2154	ev_io_init (&w->io, embed_cb, backend_fd, EV_READ);	2313	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2155	}	2314	}
2156		2315
2157	ev_set_priority (&w->io, ev_priority (w));	2316	ev_set_priority (&w->io, ev_priority (w));
2158	ev_io_start (EV_A_ &w->io);	2317	ev_io_start (EV_A_ &w->io);
2159		2318
		2319	ev_prepare_init (&w->prepare, embed_prepare_cb);
		2320	ev_set_priority (&w->prepare, EV_MINPRI);
		2321	ev_prepare_start (EV_A_ &w->prepare);
		2322
		2323	/ev_idle_init (&w->idle, e,bed_idle_cb);/
		2324
2160	ev_start (EV_A_ (W)w, 1);	2325	ev_start (EV_A_ (W)w, 1);
2161	}	2326	}
2162		2327
2163	void	2328	void
2164	ev_embed_stop (EV_P_ ev_embed *w)	2329	ev_embed_stop (EV_P_ ev_embed *w)
2165	{	2330	{
2166	ev_clear_pending (EV_A_ (W)w);	2331	clear_pending (EV_A_ (W)w);
2167	if (expect_false (!ev_is_active (w)))	2332	if (expect_false (!ev_is_active (w)))
2168	return;	2333	return;
2169		2334
2170	ev_io_stop (EV_A_ &w->io);	2335	ev_io_stop (EV_A_ &w->io);
		2336	ev_prepare_stop (EV_A_ &w->prepare);
2171		2337
2172	ev_stop (EV_A_ (W)w);	2338	ev_stop (EV_A_ (W)w);
2173	}	2339	}
2174	#endif	2340	#endif
2175		2341
…		…
2186	}	2352	}
2187		2353
2188	void	2354	void
2189	ev_fork_stop (EV_P_ ev_fork *w)	2355	ev_fork_stop (EV_P_ ev_fork *w)
2190	{	2356	{
2191	ev_clear_pending (EV_A_ (W)w);	2357	clear_pending (EV_A_ (W)w);
2192	if (expect_false (!ev_is_active (w)))	2358	if (expect_false (!ev_is_active (w)))
2193	return;	2359	return;
2194		2360
2195	{	2361	{
2196	int active = ((W)w)->active;	2362	int active = ((W)w)->active;
…		…
2264	ev_timer_set (&once->to, timeout, 0.);	2430	ev_timer_set (&once->to, timeout, 0.);
2265	ev_timer_start (EV_A_ &once->to);	2431	ev_timer_start (EV_A_ &once->to);
2266	}	2432	}
2267	}	2433	}
2268		2434
		2435	#if EV_MULTIPLICITY
		2436	#include "ev_wrap.h"
		2437	#endif
		2438
2269	#ifdef __cplusplus	2439	#ifdef __cplusplus
2270	}	2440	}
2271	#endif	2441	#endif
2272		2442

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Comparing libev/ev.c (file contents): Revision 1.164 by root, Fri Dec 7 16:44:10 2007 UTC vs. Revision 1.198 by root, Sun Dec 23 04:45:51 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.164 by root, Fri Dec 7 16:44:10 2007 UTC vs.
Revision 1.198 by root, Sun Dec 23 04:45:51 2007 UTC