[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 1.198 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)
…		…
522	{	583	{
523	int fd = fdchanges [i];	584	int fd = fdchanges [i];
524	ANFD *anfd = anfds + fd;	585	ANFD *anfd = anfds + fd;
525	ev_io *w;	586	ev_io *w;
526		587
527	int events = 0;	588	unsigned char events = 0;
528		589
529	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)
530	events \|= w->events;	591	events \|= (unsigned char)w->events;
531		592
532	#if EV_SELECT_IS_WINSOCKET	593	#if EV_SELECT_IS_WINSOCKET
533	if (events)	594	if (events)
534	{	595	{
535	unsigned long argp;	596	unsigned long argp;
536	anfd->handle = _get_osfhandle (fd);	597	anfd->handle = _get_osfhandle (fd);
537	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));
538	}	599	}
539	#endif	600	#endif
540		601
		602	{
		603	unsigned char o_events = anfd->events;
		604	unsigned char o_reify = anfd->reify;
		605
541	anfd->reify = 0;	606	anfd->reify = 0;
542
543	backend_modify (EV_A_ fd, anfd->events, events);
544	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	}
545	}	612	}
546		613
547	fdchangecnt = 0;	614	fdchangecnt = 0;
548	}	615	}
549		616
550	void inline_size	617	void inline_size
551	fd_change (EV_P_ int fd)	618	fd_change (EV_P_ int fd, int flags)
552	{	619	{
553	if (expect_false (anfds [fd].reify))	620	unsigned char reify = anfds [fd].reify;
554	return;
555
556	anfds [fd].reify = 1;	621	anfds [fd].reify \|= flags;
557		622
		623	if (expect_true (!reify))
		624	{
558	++fdchangecnt;	625	++fdchangecnt;
559	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	626	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
560	fdchanges [fdchangecnt - 1] = fd;	627	fdchanges [fdchangecnt - 1] = fd;
		628	}
561	}	629	}
562		630
563	void inline_speed	631	void inline_speed
564	fd_kill (EV_P_ int fd)	632	fd_kill (EV_P_ int fd)
565	{	633	{
…		…
616		684
617	for (fd = 0; fd < anfdmax; ++fd)	685	for (fd = 0; fd < anfdmax; ++fd)
618	if (anfds [fd].events)	686	if (anfds [fd].events)
619	{	687	{
620	anfds [fd].events = 0;	688	anfds [fd].events = 0;
621	fd_change (EV_A_ fd);	689	fd_change (EV_A_ fd, EV_IOFDSET \| 1);
622	}	690	}
623	}	691	}
624		692
625	/*****************************************************************************/	693	/*****************************************************************************/
626		694
627	void inline_speed	695	void inline_speed
628	upheap (WT *heap, int k)	696	upheap (WT *heap, int k)
629	{	697	{
630	WT w = heap [k];	698	WT w = heap [k];
631		699
632	while (k && heap [k >> 1]->at > w->at)	700	while (k)
633	{	701	{
		702	int p = (k - 1) >> 1;
		703
		704	if (heap [p]->at <= w->at)
		705	break;
		706
634	heap [k] = heap [k >> 1];	707	heap [k] = heap [p];
635	((W)heap [k])->active = k + 1;	708	((W)heap [k])->active = k + 1;
636	k >>= 1;	709	k = p;
637	}	710	}
638		711
639	heap [k] = w;	712	heap [k] = w;
640	((W)heap [k])->active = k + 1;	713	((W)heap [k])->active = k + 1;
641
642	}	714	}
643		715
644	void inline_speed	716	void inline_speed
645	downheap (WT *heap, int N, int k)	717	downheap (WT *heap, int N, int k)
646	{	718	{
647	WT w = heap [k];	719	WT w = heap [k];
648		720
649	while (k < (N >> 1))	721	for (;;)
650	{	722	{
651	int j = k << 1;	723	int c = (k << 1) + 1;
652		724
653	if (j + 1 < N && heap [j]->at > heap [j + 1]->at)	725	if (c >= N)
654	++j;
655
656	if (w->at <= heap [j]->at)
657	break;	726	break;
658		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
659	heap [k] = heap [j];	734	heap [k] = heap [c];
660	((W)heap [k])->active = k + 1;	735	((W)heap [k])->active = k + 1;
		736
661	k = j;	737	k = c;
662	}	738	}
663		739
664	heap [k] = w;	740	heap [k] = w;
665	((W)heap [k])->active = k + 1;	741	((W)heap [k])->active = k + 1;
666	}	742	}
…		…
748	for (signum = signalmax; signum--; )	824	for (signum = signalmax; signum--; )
749	if (signals [signum].gotsig)	825	if (signals [signum].gotsig)
750	ev_feed_signal_event (EV_A_ signum + 1);	826	ev_feed_signal_event (EV_A_ signum + 1);
751	}	827	}
752		828
753	void inline_size	829	void inline_speed
754	fd_intern (int fd)	830	fd_intern (int fd)
755	{	831	{
756	#ifdef _WIN32	832	#ifdef _WIN32
757	int arg = 1;	833	int arg = 1;
758	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	834	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
…		…
773	ev_unref (EV_A); /* child watcher should not keep loop alive */	849	ev_unref (EV_A); /* child watcher should not keep loop alive */
774	}	850	}
775		851
776	/*****************************************************************************/	852	/*****************************************************************************/
777		853
778	static ev_child *childs [EV_PID_HASHSIZE];	854	static WL childs [EV_PID_HASHSIZE];
779		855
780	#ifndef _WIN32	856	#ifndef _WIN32
781		857
782	static ev_signal childev;	858	static ev_signal childev;
783		859
…		…
898	}	974	}
899		975
900	unsigned int	976	unsigned int
901	ev_embeddable_backends (void)	977	ev_embeddable_backends (void)
902	{	978	{
903	return EVBACKEND_EPOLL	979	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;
904	\| EVBACKEND_KQUEUE	980
905	\| 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;
906	}	986	}
907		987
908	unsigned int	988	unsigned int
909	ev_backend (EV_P)	989	ev_backend (EV_P)
910	{	990	{
…		…
913		993
914	unsigned int	994	unsigned int
915	ev_loop_count (EV_P)	995	ev_loop_count (EV_P)
916	{	996	{
917	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;
918	}	1010	}
919		1011
920	static void noinline	1012	static void noinline
921	loop_init (EV_P_ unsigned int flags)	1013	loop_init (EV_P_ unsigned int flags)
922	{	1014	{
…		…
933	ev_rt_now = ev_time ();	1025	ev_rt_now = ev_time ();
934	mn_now = get_clock ();	1026	mn_now = get_clock ();
935	now_floor = mn_now;	1027	now_floor = mn_now;
936	rtmn_diff = ev_rt_now - mn_now;	1028	rtmn_diff = ev_rt_now - mn_now;
937		1029
		1030	io_blocktime = 0.;
		1031	timeout_blocktime = 0.;
		1032
938	/* pid check not overridable via env */	1033	/* pid check not overridable via env */
939	#ifndef _WIN32	1034	#ifndef _WIN32
940	if (flags & EVFLAG_FORKCHECK)	1035	if (flags & EVFLAG_FORKCHECK)
941	curpid = getpid ();	1036	curpid = getpid ();
942	#endif	1037	#endif
…		…
1010	array_free (pending, [i]);	1105	array_free (pending, [i]);
1011	#if EV_IDLE_ENABLE	1106	#if EV_IDLE_ENABLE
1012	array_free (idle, [i]);	1107	array_free (idle, [i]);
1013	#endif	1108	#endif
1014	}	1109	}
		1110
		1111	ev_free (anfds); anfdmax = 0;
1015		1112
1016	/* have to use the microsoft-never-gets-it-right macro */	1113	/* have to use the microsoft-never-gets-it-right macro */
1017	array_free (fdchange, EMPTY);	1114	array_free (fdchange, EMPTY);
1018	array_free (timer, EMPTY);	1115	array_free (timer, EMPTY);
1019	#if EV_PERIODIC_ENABLE	1116	#if EV_PERIODIC_ENABLE
1020	array_free (periodic, EMPTY);	1117	array_free (periodic, EMPTY);
		1118	#endif
		1119	#if EV_FORK_ENABLE
		1120	array_free (fork, EMPTY);
1021	#endif	1121	#endif
1022	array_free (prepare, EMPTY);	1122	array_free (prepare, EMPTY);
1023	array_free (check, EMPTY);	1123	array_free (check, EMPTY);
1024		1124
1025	backend = 0;	1125	backend = 0;
…		…
1195	void inline_size	1295	void inline_size
1196	timers_reify (EV_P)	1296	timers_reify (EV_P)
1197	{	1297	{
1198	while (timercnt && ((WT)timers [0])->at <= mn_now)	1298	while (timercnt && ((WT)timers [0])->at <= mn_now)
1199	{	1299	{
1200	ev_timer *w = timers [0];	1300	ev_timer w = (ev_timer )timers [0];
1201		1301
1202	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/	1302	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/
1203		1303
1204	/* first reschedule or stop timer */	1304	/* first reschedule or stop timer */
1205	if (w->repeat)	1305	if (w->repeat)
…		…
1208		1308
1209	((WT)w)->at += w->repeat;	1309	((WT)w)->at += w->repeat;
1210	if (((WT)w)->at < mn_now)	1310	if (((WT)w)->at < mn_now)
1211	((WT)w)->at = mn_now;	1311	((WT)w)->at = mn_now;
1212		1312
1213	downheap ((WT *)timers, timercnt, 0);	1313	downheap (timers, timercnt, 0);
1214	}	1314	}
1215	else	1315	else
1216	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1316	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1217		1317
1218	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1318	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
…		…
1223	void inline_size	1323	void inline_size
1224	periodics_reify (EV_P)	1324	periodics_reify (EV_P)
1225	{	1325	{
1226	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)	1326	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1227	{	1327	{
1228	ev_periodic *w = periodics [0];	1328	ev_periodic w = (ev_periodic )periodics [0];
1229		1329
1230	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/	1330	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/
1231		1331
1232	/* first reschedule or stop timer */	1332	/* first reschedule or stop timer */
1233	if (w->reschedule_cb)	1333	if (w->reschedule_cb)
1234	{	1334	{
1235	((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);
1236	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));
1237	downheap ((WT *)periodics, periodiccnt, 0);	1337	downheap (periodics, periodiccnt, 0);
1238	}	1338	}
1239	else if (w->interval)	1339	else if (w->interval)
1240	{	1340	{
1241	((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;
1242	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));
1243	downheap ((WT *)periodics, periodiccnt, 0);	1344	downheap (periodics, periodiccnt, 0);
1244	}	1345	}
1245	else	1346	else
1246	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1347	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1247		1348
1248	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);	1349	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
…		…
1255	int i;	1356	int i;
1256		1357
1257	/* adjust periodics after time jump */	1358	/* adjust periodics after time jump */
1258	for (i = 0; i < periodiccnt; ++i)	1359	for (i = 0; i < periodiccnt; ++i)
1259	{	1360	{
1260	ev_periodic *w = periodics [i];	1361	ev_periodic w = (ev_periodic )periodics [i];
1261		1362
1262	if (w->reschedule_cb)	1363	if (w->reschedule_cb)
1263	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1364	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1264	else if (w->interval)	1365	else if (w->interval)
1265	((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;
1266	}	1367	}
1267		1368
1268	/* now rebuild the heap */	1369	/* now rebuild the heap */
1269	for (i = periodiccnt >> 1; i--; )	1370	for (i = periodiccnt >> 1; i--; )
1270	downheap ((WT *)periodics, periodiccnt, i);	1371	downheap (periodics, periodiccnt, i);
1271	}	1372	}
1272	#endif	1373	#endif
1273		1374
1274	#if EV_IDLE_ENABLE	1375	#if EV_IDLE_ENABLE
1275	void inline_size	1376	void inline_size
…		…
1292	}	1393	}
1293	}	1394	}
1294	}	1395	}
1295	#endif	1396	#endif
1296		1397
1297	int inline_size	1398	void inline_speed
1298	time_update_monotonic (EV_P)	1399	time_update (EV_P_ ev_tstamp max_block)
1299	{	1400	{
		1401	int i;
		1402
		1403	#if EV_USE_MONOTONIC
		1404	if (expect_true (have_monotonic))
		1405	{
		1406	ev_tstamp odiff = rtmn_diff;
		1407
1300	mn_now = get_clock ();	1408	mn_now = get_clock ();
1301		1409
		1410	/* only fetch the realtime clock every 0.5MIN_TIMEJUMP seconds /
		1411	/* interpolate in the meantime */
1302	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1412	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
1303	{	1413	{
1304	ev_rt_now = rtmn_diff + mn_now;	1414	ev_rt_now = rtmn_diff + mn_now;
1305	return 0;	1415	return;
1306	}	1416	}
1307	else	1417
1308	{
1309	now_floor = mn_now;	1418	now_floor = mn_now;
1310	ev_rt_now = ev_time ();	1419	ev_rt_now = ev_time ();
1311	return 1;
1312	}
1313	}
1314		1420
1315	void inline_size	1421	/* loop a few times, before making important decisions.
1316	time_update (EV_P)	1422	* on the choice of "4": one iteration isn't enough,
1317	{	1423	* in case we get preempted during the calls to
1318	int i;	1424	* ev_time and get_clock. a second call is almost guaranteed
1319		1425	* to succeed in that case, though. and looping a few more times
1320	#if EV_USE_MONOTONIC	1426	* doesn't hurt either as we only do this on time-jumps or
1321	if (expect_true (have_monotonic))	1427	* in the unlikely event of having been preempted here.
1322	{	1428	*/
1323	if (time_update_monotonic (EV_A))	1429	for (i = 4; --i; )
1324	{	1430	{
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;	1431	rtmn_diff = ev_rt_now - mn_now;
1338		1432
1339	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1433	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
1340	return; /* all is well */	1434	return; /* all is well */
1341		1435
1342	ev_rt_now = ev_time ();	1436	ev_rt_now = ev_time ();
1343	mn_now = get_clock ();	1437	mn_now = get_clock ();
1344	now_floor = mn_now;	1438	now_floor = mn_now;
1345	}	1439	}
1346		1440
1347	# if EV_PERIODIC_ENABLE	1441	# if EV_PERIODIC_ENABLE
1348	periodics_reschedule (EV_A);	1442	periodics_reschedule (EV_A);
1349	# endif	1443	# endif
1350	/* no timer adjustment, as the monotonic clock doesn't jump */	1444	/* no timer adjustment, as the monotonic clock doesn't jump */
1351	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */	1445	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1352	}
1353	}	1446	}
1354	else	1447	else
1355	#endif	1448	#endif
1356	{	1449	{
1357	ev_rt_now = ev_time ();	1450	ev_rt_now = ev_time ();
1358		1451
1359	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))
1360	{	1453	{
1361	#if EV_PERIODIC_ENABLE	1454	#if EV_PERIODIC_ENABLE
1362	periodics_reschedule (EV_A);	1455	periodics_reschedule (EV_A);
1363	#endif	1456	#endif
1364
1365	/* 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 */
1366	for (i = 0; i < timercnt; ++i)	1458	for (i = 0; i < timercnt; ++i)
1367	((WT)timers [i])->at += ev_rt_now - mn_now;	1459	((WT)timers [i])->at += ev_rt_now - mn_now;
1368	}	1460	}
1369		1461
…		…
1413	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	1505	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
1414	call_pending (EV_A);	1506	call_pending (EV_A);
1415	}	1507	}
1416	#endif	1508	#endif
1417		1509
1418	/* queue check watchers (and execute them) */	1510	/* queue prepare watchers (and execute them) */
1419	if (expect_false (preparecnt))	1511	if (expect_false (preparecnt))
1420	{	1512	{
1421	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1513	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
1422	call_pending (EV_A);	1514	call_pending (EV_A);
1423	}	1515	}
…		…
1432	/* update fd-related kernel structures */	1524	/* update fd-related kernel structures */
1433	fd_reify (EV_A);	1525	fd_reify (EV_A);
1434		1526
1435	/* calculate blocking time */	1527	/* calculate blocking time */
1436	{	1528	{
1437	ev_tstamp block;	1529	ev_tstamp waittime = 0.;
		1530	ev_tstamp sleeptime = 0.;
1438		1531
1439	if (expect_false (flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt))	1532	if (expect_true (!(flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt)))
1440	block = 0.; /* do not block at all */
1441	else
1442	{	1533	{
1443	/* update time to cancel out callback processing overhead */	1534	/* 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);	1535	time_update (EV_A_ 1e100);
1447	else
1448	#endif
1449	{
1450	ev_rt_now = ev_time ();
1451	mn_now = ev_rt_now;
1452	}
1453		1536
1454	block = MAX_BLOCKTIME;	1537	waittime = MAX_BLOCKTIME;
1455		1538
1456	if (timercnt)	1539	if (timercnt)
1457	{	1540	{
1458	ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;	1541	ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;
1459	if (block > to) block = to;	1542	if (waittime > to) waittime = to;
1460	}	1543	}
1461		1544
1462	#if EV_PERIODIC_ENABLE	1545	#if EV_PERIODIC_ENABLE
1463	if (periodiccnt)	1546	if (periodiccnt)
1464	{	1547	{
1465	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;
1466	if (block > to) block = to;	1549	if (waittime > to) waittime = to;
1467	}	1550	}
1468	#endif	1551	#endif
1469		1552
1470	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	}
1471	}	1566	}
1472		1567
1473	++loop_count;	1568	++loop_count;
1474	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);
1475	}	1573	}
1476
1477	/* update ev_rt_now, do magic */
1478	time_update (EV_A);
1479		1574
1480	/* queue pending timers and reschedule them */	1575	/* queue pending timers and reschedule them */
1481	timers_reify (EV_A); /* relative timers called last */	1576	timers_reify (EV_A); /* relative timers called last */
1482	#if EV_PERIODIC_ENABLE	1577	#if EV_PERIODIC_ENABLE
1483	periodics_reify (EV_A); /* absolute timers called first */	1578	periodics_reify (EV_A); /* absolute timers called first */
…		…
1545	ev_clear_pending (EV_P_ void *w)	1640	ev_clear_pending (EV_P_ void *w)
1546	{	1641	{
1547	W w_ = (W)w;	1642	W w_ = (W)w;
1548	int pending = w_->pending;	1643	int pending = w_->pending;
1549		1644
1550	if (!pending)	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
1551	return 0;	1653	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	}	1654	}
1559		1655
1560	void inline_size	1656	void inline_size
1561	pri_adjust (EV_P_ W w)	1657	pri_adjust (EV_P_ W w)
1562	{	1658	{
…		…
1581	w->active = 0;	1677	w->active = 0;
1582	}	1678	}
1583		1679
1584	/*****************************************************************************/	1680	/*****************************************************************************/
1585		1681
1586	void	1682	void noinline
1587	ev_io_start (EV_P_ ev_io *w)	1683	ev_io_start (EV_P_ ev_io *w)
1588	{	1684	{
1589	int fd = w->fd;	1685	int fd = w->fd;
1590		1686
1591	if (expect_false (ev_is_active (w)))	1687	if (expect_false (ev_is_active (w)))
…		…
1593		1689
1594	assert (("ev_io_start called with negative fd", fd >= 0));	1690	assert (("ev_io_start called with negative fd", fd >= 0));
1595		1691
1596	ev_start (EV_A_ (W)w, 1);	1692	ev_start (EV_A_ (W)w, 1);
1597	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);	1693	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1598	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1694	wlist_add (&anfds[fd].head, (WL)w);
1599		1695
1600	fd_change (EV_A_ fd);	1696	fd_change (EV_A_ fd, w->events & EV_IOFDSET \| 1);
		1697	w->events &= ~EV_IOFDSET;
1601	}	1698	}
1602		1699
1603	void	1700	void noinline
1604	ev_io_stop (EV_P_ ev_io *w)	1701	ev_io_stop (EV_P_ ev_io *w)
1605	{	1702	{
1606	clear_pending (EV_A_ (W)w);	1703	clear_pending (EV_A_ (W)w);
1607	if (expect_false (!ev_is_active (w)))	1704	if (expect_false (!ev_is_active (w)))
1608	return;	1705	return;
1609		1706
1610	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));
1611		1708
1612	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1709	wlist_del (&anfds[w->fd].head, (WL)w);
1613	ev_stop (EV_A_ (W)w);	1710	ev_stop (EV_A_ (W)w);
1614		1711
1615	fd_change (EV_A_ w->fd);	1712	fd_change (EV_A_ w->fd, 1);
1616	}	1713	}
1617		1714
1618	void	1715	void noinline
1619	ev_timer_start (EV_P_ ev_timer *w)	1716	ev_timer_start (EV_P_ ev_timer *w)
1620	{	1717	{
1621	if (expect_false (ev_is_active (w)))	1718	if (expect_false (ev_is_active (w)))
1622	return;	1719	return;
1623		1720
1624	((WT)w)->at += mn_now;	1721	((WT)w)->at += mn_now;
1625		1722
1626	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.));
1627		1724
1628	ev_start (EV_A_ (W)w, ++timercnt);	1725	ev_start (EV_A_ (W)w, ++timercnt);
1629	array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2);	1726	array_needsize (WT, timers, timermax, timercnt, EMPTY2);
1630	timers [timercnt - 1] = w;	1727	timers [timercnt - 1] = (WT)w;
1631	upheap ((WT *)timers, timercnt - 1);	1728	upheap (timers, timercnt - 1);
1632		1729
1633	/assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));/	1730	/assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));/
1634	}	1731	}
1635		1732
1636	void	1733	void noinline
1637	ev_timer_stop (EV_P_ ev_timer *w)	1734	ev_timer_stop (EV_P_ ev_timer *w)
1638	{	1735	{
1639	clear_pending (EV_A_ (W)w);	1736	clear_pending (EV_A_ (W)w);
1640	if (expect_false (!ev_is_active (w)))	1737	if (expect_false (!ev_is_active (w)))
1641	return;	1738	return;
1642		1739
1643	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1740	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w));
1644		1741
1645	{	1742	{
1646	int active = ((W)w)->active;	1743	int active = ((W)w)->active;
1647		1744
1648	if (expect_true (--active < --timercnt))	1745	if (expect_true (--active < --timercnt))
1649	{	1746	{
1650	timers [active] = timers [timercnt];	1747	timers [active] = timers [timercnt];
1651	adjustheap ((WT *)timers, timercnt, active);	1748	adjustheap (timers, timercnt, active);
1652	}	1749	}
1653	}	1750	}
1654		1751
1655	((WT)w)->at -= mn_now;	1752	((WT)w)->at -= mn_now;
1656		1753
1657	ev_stop (EV_A_ (W)w);	1754	ev_stop (EV_A_ (W)w);
1658	}	1755	}
1659		1756
1660	void	1757	void noinline
1661	ev_timer_again (EV_P_ ev_timer *w)	1758	ev_timer_again (EV_P_ ev_timer *w)
1662	{	1759	{
1663	if (ev_is_active (w))	1760	if (ev_is_active (w))
1664	{	1761	{
1665	if (w->repeat)	1762	if (w->repeat)
1666	{	1763	{
1667	((WT)w)->at = mn_now + w->repeat;	1764	((WT)w)->at = mn_now + w->repeat;
1668	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1765	adjustheap (timers, timercnt, ((W)w)->active - 1);
1669	}	1766	}
1670	else	1767	else
1671	ev_timer_stop (EV_A_ w);	1768	ev_timer_stop (EV_A_ w);
1672	}	1769	}
1673	else if (w->repeat)	1770	else if (w->repeat)
…		…
1676	ev_timer_start (EV_A_ w);	1773	ev_timer_start (EV_A_ w);
1677	}	1774	}
1678	}	1775	}
1679		1776
1680	#if EV_PERIODIC_ENABLE	1777	#if EV_PERIODIC_ENABLE
1681	void	1778	void noinline
1682	ev_periodic_start (EV_P_ ev_periodic *w)	1779	ev_periodic_start (EV_P_ ev_periodic *w)
1683	{	1780	{
1684	if (expect_false (ev_is_active (w)))	1781	if (expect_false (ev_is_active (w)))
1685	return;	1782	return;
1686		1783
…		…
1688	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1785	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1689	else if (w->interval)	1786	else if (w->interval)
1690	{	1787	{
1691	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.));
1692	/* 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 */
1693	((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;
1694	}	1791	}
		1792	else
		1793	((WT)w)->at = w->offset;
1695		1794
1696	ev_start (EV_A_ (W)w, ++periodiccnt);	1795	ev_start (EV_A_ (W)w, ++periodiccnt);
1697	array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);	1796	array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2);
1698	periodics [periodiccnt - 1] = w;	1797	periodics [periodiccnt - 1] = (WT)w;
1699	upheap ((WT *)periodics, periodiccnt - 1);	1798	upheap (periodics, periodiccnt - 1);
1700		1799
1701	/assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));/	1800	/assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));/
1702	}	1801	}
1703		1802
1704	void	1803	void noinline
1705	ev_periodic_stop (EV_P_ ev_periodic *w)	1804	ev_periodic_stop (EV_P_ ev_periodic *w)
1706	{	1805	{
1707	clear_pending (EV_A_ (W)w);	1806	clear_pending (EV_A_ (W)w);
1708	if (expect_false (!ev_is_active (w)))	1807	if (expect_false (!ev_is_active (w)))
1709	return;	1808	return;
1710		1809
1711	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1810	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w));
1712		1811
1713	{	1812	{
1714	int active = ((W)w)->active;	1813	int active = ((W)w)->active;
1715		1814
1716	if (expect_true (--active < --periodiccnt))	1815	if (expect_true (--active < --periodiccnt))
1717	{	1816	{
1718	periodics [active] = periodics [periodiccnt];	1817	periodics [active] = periodics [periodiccnt];
1719	adjustheap ((WT *)periodics, periodiccnt, active);	1818	adjustheap (periodics, periodiccnt, active);
1720	}	1819	}
1721	}	1820	}
1722		1821
1723	ev_stop (EV_A_ (W)w);	1822	ev_stop (EV_A_ (W)w);
1724	}	1823	}
1725		1824
1726	void	1825	void noinline
1727	ev_periodic_again (EV_P_ ev_periodic *w)	1826	ev_periodic_again (EV_P_ ev_periodic *w)
1728	{	1827	{
1729	/* TODO: use adjustheap and recalculation */	1828	/* TODO: use adjustheap and recalculation */
1730	ev_periodic_stop (EV_A_ w);	1829	ev_periodic_stop (EV_A_ w);
1731	ev_periodic_start (EV_A_ w);	1830	ev_periodic_start (EV_A_ w);
…		…
1734		1833
1735	#ifndef SA_RESTART	1834	#ifndef SA_RESTART
1736	# define SA_RESTART 0	1835	# define SA_RESTART 0
1737	#endif	1836	#endif
1738		1837
1739	void	1838	void noinline
1740	ev_signal_start (EV_P_ ev_signal *w)	1839	ev_signal_start (EV_P_ ev_signal *w)
1741	{	1840	{
1742	#if EV_MULTIPLICITY	1841	#if EV_MULTIPLICITY
1743	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));
1744	#endif	1843	#endif
1745	if (expect_false (ev_is_active (w)))	1844	if (expect_false (ev_is_active (w)))
1746	return;	1845	return;
1747		1846
1748	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));
1749		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
1750	ev_start (EV_A_ (W)w, 1);	1863	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);	1864	wlist_add (&signals [w->signum - 1].head, (WL)w);
1753		1865
1754	if (!((WL)w)->next)	1866	if (!((WL)w)->next)
1755	{	1867	{
1756	#if _WIN32	1868	#if _WIN32
1757	signal (w->signum, sighandler);	1869	signal (w->signum, sighandler);
…		…
1763	sigaction (w->signum, &sa, 0);	1875	sigaction (w->signum, &sa, 0);
1764	#endif	1876	#endif
1765	}	1877	}
1766	}	1878	}
1767		1879
1768	void	1880	void noinline
1769	ev_signal_stop (EV_P_ ev_signal *w)	1881	ev_signal_stop (EV_P_ ev_signal *w)
1770	{	1882	{
1771	clear_pending (EV_A_ (W)w);	1883	clear_pending (EV_A_ (W)w);
1772	if (expect_false (!ev_is_active (w)))	1884	if (expect_false (!ev_is_active (w)))
1773	return;	1885	return;
1774		1886
1775	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1887	wlist_del (&signals [w->signum - 1].head, (WL)w);
1776	ev_stop (EV_A_ (W)w);	1888	ev_stop (EV_A_ (W)w);
1777		1889
1778	if (!signals [w->signum - 1].head)	1890	if (!signals [w->signum - 1].head)
1779	signal (w->signum, SIG_DFL);	1891	signal (w->signum, SIG_DFL);
1780	}	1892	}
…		…
1787	#endif	1899	#endif
1788	if (expect_false (ev_is_active (w)))	1900	if (expect_false (ev_is_active (w)))
1789	return;	1901	return;
1790		1902
1791	ev_start (EV_A_ (W)w, 1);	1903	ev_start (EV_A_ (W)w, 1);
1792	wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	1904	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1793	}	1905	}
1794		1906
1795	void	1907	void
1796	ev_child_stop (EV_P_ ev_child *w)	1908	ev_child_stop (EV_P_ ev_child *w)
1797	{	1909	{
1798	clear_pending (EV_A_ (W)w);	1910	clear_pending (EV_A_ (W)w);
1799	if (expect_false (!ev_is_active (w)))	1911	if (expect_false (!ev_is_active (w)))
1800	return;	1912	return;
1801		1913
1802	wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	1914	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1803	ev_stop (EV_A_ (W)w);	1915	ev_stop (EV_A_ (W)w);
1804	}	1916	}
1805		1917
1806	#if EV_STAT_ENABLE	1918	#if EV_STAT_ENABLE
1807		1919
…		…
2149		2261
2150	#if EV_EMBED_ENABLE	2262	#if EV_EMBED_ENABLE
2151	void noinline	2263	void noinline
2152	ev_embed_sweep (EV_P_ ev_embed *w)	2264	ev_embed_sweep (EV_P_ ev_embed *w)
2153	{	2265	{
2154	ev_loop (w->loop, EVLOOP_NONBLOCK);	2266	ev_loop (w->other, EVLOOP_NONBLOCK);
2155	}	2267	}
2156		2268
2157	static void	2269	static void
2158	embed_cb (EV_P_ ev_io *io, int revents)	2270	embed_io_cb (EV_P_ ev_io *io, int revents)
2159	{	2271	{
2160	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));	2272	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));
2161		2273
2162	if (ev_cb (w))	2274	if (ev_cb (w))
2163	ev_feed_event (EV_A_ (W)w, EV_EMBED);	2275	ev_feed_event (EV_A_ (W)w, EV_EMBED);
2164	else	2276	else
2165	ev_embed_sweep (loop, w);	2277	ev_loop (w->other, EVLOOP_NONBLOCK);
2166	}	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
2167		2303
2168	void	2304	void
2169	ev_embed_start (EV_P_ ev_embed *w)	2305	ev_embed_start (EV_P_ ev_embed *w)
2170	{	2306	{
2171	if (expect_false (ev_is_active (w)))	2307	if (expect_false (ev_is_active (w)))
2172	return;	2308	return;
2173		2309
2174	{	2310	{
2175	struct ev_loop *loop = w->loop;	2311	struct ev_loop *loop = w->other;
2176	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 ()));
2177	ev_io_init (&w->io, embed_cb, backend_fd, EV_READ);	2313	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2178	}	2314	}
2179		2315
2180	ev_set_priority (&w->io, ev_priority (w));	2316	ev_set_priority (&w->io, ev_priority (w));
2181	ev_io_start (EV_A_ &w->io);	2317	ev_io_start (EV_A_ &w->io);
2182		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
2183	ev_start (EV_A_ (W)w, 1);	2325	ev_start (EV_A_ (W)w, 1);
2184	}	2326	}
2185		2327
2186	void	2328	void
2187	ev_embed_stop (EV_P_ ev_embed *w)	2329	ev_embed_stop (EV_P_ ev_embed *w)
…		…
2189	clear_pending (EV_A_ (W)w);	2331	clear_pending (EV_A_ (W)w);
2190	if (expect_false (!ev_is_active (w)))	2332	if (expect_false (!ev_is_active (w)))
2191	return;	2333	return;
2192		2334
2193	ev_io_stop (EV_A_ &w->io);	2335	ev_io_stop (EV_A_ &w->io);
		2336	ev_prepare_stop (EV_A_ &w->prepare);
2194		2337
2195	ev_stop (EV_A_ (W)w);	2338	ev_stop (EV_A_ (W)w);
2196	}	2339	}
2197	#endif	2340	#endif
2198		2341
…		…
2287	ev_timer_set (&once->to, timeout, 0.);	2430	ev_timer_set (&once->to, timeout, 0.);
2288	ev_timer_start (EV_A_ &once->to);	2431	ev_timer_start (EV_A_ &once->to);
2289	}	2432	}
2290	}	2433	}
2291		2434
		2435	#if EV_MULTIPLICITY
		2436	#include "ev_wrap.h"
		2437	#endif
		2438
2292	#ifdef __cplusplus	2439	#ifdef __cplusplus
2293	}	2440	}
2294	#endif	2441	#endif
2295		2442

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing libev/ev.c (file contents): Revision 1.168 by root, Sat Dec 8 14:12:07 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 1.168 by root, Sat Dec 8 14:12:07 2007 UTC vs.
Revision 1.198 by root, Sun Dec 23 04:45:51 2007 UTC