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

Comparing libev/ev.c (file contents):
Revision 1.152 by root, Wed Nov 28 11:15:55 2007 UTC vs.
Revision 1.193 by root, Sat Dec 22 05:47:58 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)->priority - EV_MINPRI)	276	#define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
247		277
248	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */	278	#define EMPTY /* required for microsofts broken pseudo-c compiler */
249	#define EMPTY2(a,b) /* used to suppress some warnings */	279	#define EMPTY2(a,b) /* used to suppress some warnings */
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;
…		…
281	perror (msg);	311	perror (msg);
282	abort ();	312	abort ();
283	}	313	}
284	}	314	}
285		315
286	static void (alloc)(void *ptr, size_t size) = realloc;	316	static void (alloc)(void *ptr, long size);
287		317
288	void	318	void
289	ev_set_allocator (void (cb)(void *ptr, size_t size))	319	ev_set_allocator (void (cb)(void *ptr, long size))
290	{	320	{
291	alloc = cb;	321	alloc = cb;
292	}	322	}
293		323
294	inline_speed void *	324	inline_speed void *
295	ev_realloc (void *ptr, size_t size)	325	ev_realloc (void *ptr, long size)
296	{	326	{
297	ptr = alloc (ptr, size);	327	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
298		328
299	if (!ptr && size)	329	if (!ptr && size)
300	{	330	{
301	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", (long)size);	331	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
302	abort ();	332	abort ();
303	}	333	}
304		334
305	return ptr;	335	return ptr;
306	}	336	}
…		…
324	{	354	{
325	W w;	355	W w;
326	int events;	356	int events;
327	} ANPENDING;	357	} ANPENDING;
328		358
		359	#if EV_USE_INOTIFY
329	typedef struct	360	typedef struct
330	{	361	{
331	#if EV_USE_INOTIFY
332	WL head;	362	WL head;
333	#endif
334	} ANFS;	363	} ANFS;
		364	#endif
335		365
336	#if EV_MULTIPLICITY	366	#if EV_MULTIPLICITY
337		367
338	struct ev_loop	368	struct ev_loop
339	{	369	{
…		…
396	{	426	{
397	return ev_rt_now;	427	return ev_rt_now;
398	}	428	}
399	#endif	429	#endif
400		430
401	#define array_roundsize(type,n) (((n) \| 4) & ~3)	431	void
		432	ev_sleep (ev_tstamp delay)
		433	{
		434	if (delay > 0.)
		435	{
		436	#if EV_USE_NANOSLEEP
		437	struct timespec ts;
		438
		439	ts.tv_sec = (time_t)delay;
		440	ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
		441
		442	nanosleep (&ts, 0);
		443	#elif defined(_WIN32)
		444	Sleep (delay * 1e3);
		445	#else
		446	struct timeval tv;
		447
		448	tv.tv_sec = (time_t)delay;
		449	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
		450
		451	select (0, 0, 0, 0, &tv);
		452	#endif
		453	}
		454	}
		455
		456	/*****************************************************************************/
		457
		458	int inline_size
		459	array_nextsize (int elem, int cur, int cnt)
		460	{
		461	int ncur = cur + 1;
		462
		463	do
		464	ncur <<= 1;
		465	while (cnt > ncur);
		466
		467	/* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */
		468	if (elem * ncur > 4096)
		469	{
		470	ncur *= elem;
		471	ncur = (ncur + elem + 4095 + sizeof (void ) 4) & ~4095;
		472	ncur = ncur - sizeof (void ) 4;
		473	ncur /= elem;
		474	}
		475
		476	return ncur;
		477	}
		478
		479	static noinline void *
		480	array_realloc (int elem, void base, int cur, int cnt)
		481	{
		482	cur = array_nextsize (elem, cur, cnt);
		483	return ev_realloc (base, elem * *cur);
		484	}
402		485
403	#define array_needsize(type,base,cur,cnt,init) \	486	#define array_needsize(type,base,cur,cnt,init) \
404	if (expect_false ((cnt) > cur)) \	487	if (expect_false ((cnt) > (cur))) \
405	{ \	488	{ \
406	int newcnt = cur; \	489	int ocur_ = (cur); \
407	do \	490	(base) = (type *)array_realloc \
408	{ \	491	(sizeof (type), (base), &(cur), (cnt)); \
409	newcnt = array_roundsize (type, newcnt << 1); \	492	init ((base) + (ocur_), (cur) - ocur_); \
410	} \
411	while ((cnt) > newcnt); \
412	\
413	base = (type )ev_realloc (base, sizeof (type) (newcnt));\
414	init (base + cur, newcnt - cur); \
415	cur = newcnt; \
416	}	493	}
417		494
		495	#if 0
418	#define array_slim(type,stem) \	496	#define array_slim(type,stem) \
419	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	497	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
420	{ \	498	{ \
421	stem ## max = array_roundsize (stem ## cnt >> 1); \	499	stem ## max = array_roundsize (stem ## cnt >> 1); \
422	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\	500	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
423	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\	501	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
424	}	502	}
		503	#endif
425		504
426	#define array_free(stem, idx) \	505	#define array_free(stem, idx) \
427	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;	506	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
428		507
429	/*****************************************************************************/	508	/*****************************************************************************/
430		509
431	void noinline	510	void noinline
432	ev_feed_event (EV_P_ void *w, int revents)	511	ev_feed_event (EV_P_ void *w, int revents)
433	{	512	{
434	W w_ = (W)w;	513	W w_ = (W)w;
		514	int pri = ABSPRI (w_);
435		515
436	if (expect_false (w_->pending))	516	if (expect_false (w_->pending))
		517	pendings [pri][w_->pending - 1].events \|= revents;
		518	else
437	{	519	{
		520	w_->pending = ++pendingcnt [pri];
		521	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
		522	pendings [pri][w_->pending - 1].w = w_;
438	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;	523	pendings [pri][w_->pending - 1].events = revents;
439	return;
440	}	524	}
441
442	w_->pending = ++pendingcnt [ABSPRI (w_)];
443	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
444	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
445	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
446	}	525	}
447		526
448	void inline_size	527	void inline_speed
449	queue_events (EV_P_ W *events, int eventcnt, int type)	528	queue_events (EV_P_ W *events, int eventcnt, int type)
450	{	529	{
451	int i;	530	int i;
452		531
453	for (i = 0; i < eventcnt; ++i)	532	for (i = 0; i < eventcnt; ++i)
…		…
485	}	564	}
486		565
487	void	566	void
488	ev_feed_fd_event (EV_P_ int fd, int revents)	567	ev_feed_fd_event (EV_P_ int fd, int revents)
489	{	568	{
		569	if (fd >= 0 && fd < anfdmax)
490	fd_event (EV_A_ fd, revents);	570	fd_event (EV_A_ fd, revents);
491	}	571	}
492		572
493	void inline_size	573	void inline_size
494	fd_reify (EV_P)	574	fd_reify (EV_P)
495	{	575	{
…		…
499	{	579	{
500	int fd = fdchanges [i];	580	int fd = fdchanges [i];
501	ANFD *anfd = anfds + fd;	581	ANFD *anfd = anfds + fd;
502	ev_io *w;	582	ev_io *w;
503		583
504	int events = 0;	584	unsigned char events = 0;
505		585
506	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)	586	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)
507	events \|= w->events;	587	events \|= (unsigned char)w->events;
508		588
509	#if EV_SELECT_IS_WINSOCKET	589	#if EV_SELECT_IS_WINSOCKET
510	if (events)	590	if (events)
511	{	591	{
512	unsigned long argp;	592	unsigned long argp;
513	anfd->handle = _get_osfhandle (fd);	593	anfd->handle = _get_osfhandle (fd);
514	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));	594	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
515	}	595	}
516	#endif	596	#endif
517		597
		598	{
		599	unsigned char o_events = anfd->events;
		600	unsigned char o_reify = anfd->reify;
		601
518	anfd->reify = 0;	602	anfd->reify = 0;
519
520	backend_modify (EV_A_ fd, anfd->events, events);
521	anfd->events = events;	603	anfd->events = events;
		604
		605	if (o_events != events \|\| o_reify & EV_IOFDSET)
		606	backend_modify (EV_A_ fd, o_events, events);
		607	}
522	}	608	}
523		609
524	fdchangecnt = 0;	610	fdchangecnt = 0;
525	}	611	}
526		612
527	void inline_size	613	void inline_size
528	fd_change (EV_P_ int fd)	614	fd_change (EV_P_ int fd, int flags)
529	{	615	{
530	if (expect_false (anfds [fd].reify))	616	unsigned char reify = anfds [fd].reify;
531	return;
532
533	anfds [fd].reify = 1;	617	anfds [fd].reify \|= flags;
534		618
		619	if (expect_true (!reify))
		620	{
535	++fdchangecnt;	621	++fdchangecnt;
536	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	622	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
537	fdchanges [fdchangecnt - 1] = fd;	623	fdchanges [fdchangecnt - 1] = fd;
		624	}
538	}	625	}
539		626
540	void inline_speed	627	void inline_speed
541	fd_kill (EV_P_ int fd)	628	fd_kill (EV_P_ int fd)
542	{	629	{
…		…
589	static void noinline	676	static void noinline
590	fd_rearm_all (EV_P)	677	fd_rearm_all (EV_P)
591	{	678	{
592	int fd;	679	int fd;
593		680
594	/* this should be highly optimised to not do anything but set a flag */
595	for (fd = 0; fd < anfdmax; ++fd)	681	for (fd = 0; fd < anfdmax; ++fd)
596	if (anfds [fd].events)	682	if (anfds [fd].events)
597	{	683	{
598	anfds [fd].events = 0;	684	anfds [fd].events = 0;
599	fd_change (EV_A_ fd);	685	fd_change (EV_A_ fd, EV_IOFDSET \| 1);
600	}	686	}
601	}	687	}
602		688
603	/*****************************************************************************/	689	/*****************************************************************************/
604		690
605	void inline_speed	691	void inline_speed
606	upheap (WT *heap, int k)	692	upheap (WT *heap, int k)
607	{	693	{
608	WT w = heap [k];	694	WT w = heap [k];
609		695
610	while (k && heap [k >> 1]->at > w->at)	696	while (k)
611	{	697	{
		698	int p = (k - 1) >> 1;
		699
		700	if (heap [p]->at <= w->at)
		701	break;
		702
612	heap [k] = heap [k >> 1];	703	heap [k] = heap [p];
613	((W)heap [k])->active = k + 1;	704	((W)heap [k])->active = k + 1;
614	k >>= 1;	705	k = p;
615	}	706	}
616		707
617	heap [k] = w;	708	heap [k] = w;
618	((W)heap [k])->active = k + 1;	709	((W)heap [k])->active = k + 1;
619
620	}	710	}
621		711
622	void inline_speed	712	void inline_speed
623	downheap (WT *heap, int N, int k)	713	downheap (WT *heap, int N, int k)
624	{	714	{
625	WT w = heap [k];	715	WT w = heap [k];
626		716
627	while (k < (N >> 1))	717	for (;;)
628	{	718	{
629	int j = k << 1;	719	int c = (k << 1) + 1;
630		720
631	if (j + 1 < N && heap [j]->at > heap [j + 1]->at)	721	if (c >= N)
632	++j;
633
634	if (w->at <= heap [j]->at)
635	break;	722	break;
636		723
		724	c += c + 1 < N && heap [c]->at > heap [c + 1]->at
		725	? 1 : 0;
		726
		727	if (w->at <= heap [c]->at)
		728	break;
		729
637	heap [k] = heap [j];	730	heap [k] = heap [c];
638	((W)heap [k])->active = k + 1;	731	((W)heap [k])->active = k + 1;
		732
639	k = j;	733	k = c;
640	}	734	}
641		735
642	heap [k] = w;	736	heap [k] = w;
643	((W)heap [k])->active = k + 1;	737	((W)heap [k])->active = k + 1;
644	}	738	}
…		…
726	for (signum = signalmax; signum--; )	820	for (signum = signalmax; signum--; )
727	if (signals [signum].gotsig)	821	if (signals [signum].gotsig)
728	ev_feed_signal_event (EV_A_ signum + 1);	822	ev_feed_signal_event (EV_A_ signum + 1);
729	}	823	}
730		824
731	void inline_size	825	void inline_speed
732	fd_intern (int fd)	826	fd_intern (int fd)
733	{	827	{
734	#ifdef _WIN32	828	#ifdef _WIN32
735	int arg = 1;	829	int arg = 1;
736	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	830	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
…		…
751	ev_unref (EV_A); /* child watcher should not keep loop alive */	845	ev_unref (EV_A); /* child watcher should not keep loop alive */
752	}	846	}
753		847
754	/*****************************************************************************/	848	/*****************************************************************************/
755		849
756	static ev_child *childs [EV_PID_HASHSIZE];	850	static WL childs [EV_PID_HASHSIZE];
757		851
758	#ifndef _WIN32	852	#ifndef _WIN32
759		853
760	static ev_signal childev;	854	static ev_signal childev;
761		855
…		…
765	ev_child *w;	859	ev_child *w;
766		860
767	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	861	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)
768	if (w->pid == pid \|\| !w->pid)	862	if (w->pid == pid \|\| !w->pid)
769	{	863	{
770	ev_priority (w) = ev_priority (sw); /* need to do it now */	864	ev_set_priority (w, ev_priority (sw)); /* need to do it now */
771	w->rpid = pid;	865	w->rpid = pid;
772	w->rstatus = status;	866	w->rstatus = status;
773	ev_feed_event (EV_A_ (W)w, EV_CHILD);	867	ev_feed_event (EV_A_ (W)w, EV_CHILD);
774	}	868	}
775	}	869	}
776		870
777	#ifndef WCONTINUED	871	#ifndef WCONTINUED
…		…
876	}	970	}
877		971
878	unsigned int	972	unsigned int
879	ev_embeddable_backends (void)	973	ev_embeddable_backends (void)
880	{	974	{
		975	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
881	return EVBACKEND_EPOLL	976	return EVBACKEND_KQUEUE
882	\| EVBACKEND_KQUEUE
883	\| EVBACKEND_PORT;	977	\| EVBACKEND_PORT;
884	}	978	}
885		979
886	unsigned int	980	unsigned int
887	ev_backend (EV_P)	981	ev_backend (EV_P)
888	{	982	{
889	return backend;	983	return backend;
		984	}
		985
		986	unsigned int
		987	ev_loop_count (EV_P)
		988	{
		989	return loop_count;
		990	}
		991
		992	void
		993	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)
		994	{
		995	io_blocktime = interval;
		996	}
		997
		998	void
		999	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)
		1000	{
		1001	timeout_blocktime = interval;
890	}	1002	}
891		1003
892	static void noinline	1004	static void noinline
893	loop_init (EV_P_ unsigned int flags)	1005	loop_init (EV_P_ unsigned int flags)
894	{	1006	{
…		…
905	ev_rt_now = ev_time ();	1017	ev_rt_now = ev_time ();
906	mn_now = get_clock ();	1018	mn_now = get_clock ();
907	now_floor = mn_now;	1019	now_floor = mn_now;
908	rtmn_diff = ev_rt_now - mn_now;	1020	rtmn_diff = ev_rt_now - mn_now;
909		1021
		1022	io_blocktime = 0.;
		1023	timeout_blocktime = 0.;
		1024
		1025	/* pid check not overridable via env */
		1026	#ifndef _WIN32
		1027	if (flags & EVFLAG_FORKCHECK)
		1028	curpid = getpid ();
		1029	#endif
		1030
910	if (!(flags & EVFLAG_NOENV)	1031	if (!(flags & EVFLAG_NOENV)
911	&& !enable_secure ()	1032	&& !enable_secure ()
912	&& getenv ("LIBEV_FLAGS"))	1033	&& getenv ("LIBEV_FLAGS"))
913	flags = atoi (getenv ("LIBEV_FLAGS"));	1034	flags = atoi (getenv ("LIBEV_FLAGS"));
914		1035
…		…
970	#if EV_USE_SELECT	1091	#if EV_USE_SELECT
971	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	1092	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);
972	#endif	1093	#endif
973		1094
974	for (i = NUMPRI; i--; )	1095	for (i = NUMPRI; i--; )
		1096	{
975	array_free (pending, [i]);	1097	array_free (pending, [i]);
		1098	#if EV_IDLE_ENABLE
		1099	array_free (idle, [i]);
		1100	#endif
		1101	}
		1102
		1103	ev_free (anfds); anfdmax = 0;
976		1104
977	/* have to use the microsoft-never-gets-it-right macro */	1105	/* have to use the microsoft-never-gets-it-right macro */
978	array_free (fdchange, EMPTY0);	1106	array_free (fdchange, EMPTY);
979	array_free (timer, EMPTY0);	1107	array_free (timer, EMPTY);
980	#if EV_PERIODIC_ENABLE	1108	#if EV_PERIODIC_ENABLE
981	array_free (periodic, EMPTY0);	1109	array_free (periodic, EMPTY);
982	#endif	1110	#endif
		1111	#if EV_FORK_ENABLE
983	array_free (idle, EMPTY0);	1112	array_free (fork, EMPTY);
		1113	#endif
984	array_free (prepare, EMPTY0);	1114	array_free (prepare, EMPTY);
985	array_free (check, EMPTY0);	1115	array_free (check, EMPTY);
986		1116
987	backend = 0;	1117	backend = 0;
988	}	1118	}
		1119
		1120	void inline_size infy_fork (EV_P);
989		1121
990	void inline_size	1122	void inline_size
991	loop_fork (EV_P)	1123	loop_fork (EV_P)
992	{	1124	{
993	#if EV_USE_PORT	1125	#if EV_USE_PORT
…		…
996	#if EV_USE_KQUEUE	1128	#if EV_USE_KQUEUE
997	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	1129	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);
998	#endif	1130	#endif
999	#if EV_USE_EPOLL	1131	#if EV_USE_EPOLL
1000	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	1132	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
		1133	#endif
		1134	#if EV_USE_INOTIFY
		1135	infy_fork (EV_A);
1001	#endif	1136	#endif
1002		1137
1003	if (ev_is_active (&sigev))	1138	if (ev_is_active (&sigev))
1004	{	1139	{
1005	/* default loop */	1140	/* default loop */
…		…
1121	postfork = 1;	1256	postfork = 1;
1122	}	1257	}
1123		1258
1124	/*****************************************************************************/	1259	/*****************************************************************************/
1125		1260
1126	int inline_size	1261	void
1127	any_pending (EV_P)	1262	ev_invoke (EV_P_ void *w, int revents)
1128	{	1263	{
1129	int pri;	1264	EV_CB_INVOKE ((W)w, revents);
1130
1131	for (pri = NUMPRI; pri--; )
1132	if (pendingcnt [pri])
1133	return 1;
1134
1135	return 0;
1136	}	1265	}
1137		1266
1138	void inline_speed	1267	void inline_speed
1139	call_pending (EV_P)	1268	call_pending (EV_P)
1140	{	1269	{
…		…
1158	void inline_size	1287	void inline_size
1159	timers_reify (EV_P)	1288	timers_reify (EV_P)
1160	{	1289	{
1161	while (timercnt && ((WT)timers [0])->at <= mn_now)	1290	while (timercnt && ((WT)timers [0])->at <= mn_now)
1162	{	1291	{
1163	ev_timer *w = timers [0];	1292	ev_timer w = (ev_timer )timers [0];
1164		1293
1165	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/	1294	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/
1166		1295
1167	/* first reschedule or stop timer */	1296	/* first reschedule or stop timer */
1168	if (w->repeat)	1297	if (w->repeat)
…		…
1171		1300
1172	((WT)w)->at += w->repeat;	1301	((WT)w)->at += w->repeat;
1173	if (((WT)w)->at < mn_now)	1302	if (((WT)w)->at < mn_now)
1174	((WT)w)->at = mn_now;	1303	((WT)w)->at = mn_now;
1175		1304
1176	downheap ((WT *)timers, timercnt, 0);	1305	downheap (timers, timercnt, 0);
1177	}	1306	}
1178	else	1307	else
1179	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1308	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1180		1309
1181	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1310	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
…		…
1186	void inline_size	1315	void inline_size
1187	periodics_reify (EV_P)	1316	periodics_reify (EV_P)
1188	{	1317	{
1189	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)	1318	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1190	{	1319	{
1191	ev_periodic *w = periodics [0];	1320	ev_periodic w = (ev_periodic )periodics [0];
1192		1321
1193	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/	1322	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/
1194		1323
1195	/* first reschedule or stop timer */	1324	/* first reschedule or stop timer */
1196	if (w->reschedule_cb)	1325	if (w->reschedule_cb)
1197	{	1326	{
1198	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);	1327	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON);
1199	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));	1328	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1200	downheap ((WT *)periodics, periodiccnt, 0);	1329	downheap (periodics, periodiccnt, 0);
1201	}	1330	}
1202	else if (w->interval)	1331	else if (w->interval)
1203	{	1332	{
1204	((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;	1333	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
		1334	if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval;
1205	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));	1335	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
1206	downheap ((WT *)periodics, periodiccnt, 0);	1336	downheap (periodics, periodiccnt, 0);
1207	}	1337	}
1208	else	1338	else
1209	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1339	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1210		1340
1211	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);	1341	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
…		…
1218	int i;	1348	int i;
1219		1349
1220	/* adjust periodics after time jump */	1350	/* adjust periodics after time jump */
1221	for (i = 0; i < periodiccnt; ++i)	1351	for (i = 0; i < periodiccnt; ++i)
1222	{	1352	{
1223	ev_periodic *w = periodics [i];	1353	ev_periodic w = (ev_periodic )periodics [i];
1224		1354
1225	if (w->reschedule_cb)	1355	if (w->reschedule_cb)
1226	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1356	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1227	else if (w->interval)	1357	else if (w->interval)
1228	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;	1358	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1229	}	1359	}
1230		1360
1231	/* now rebuild the heap */	1361	/* now rebuild the heap */
1232	for (i = periodiccnt >> 1; i--; )	1362	for (i = periodiccnt >> 1; i--; )
1233	downheap ((WT *)periodics, periodiccnt, i);	1363	downheap (periodics, periodiccnt, i);
1234	}	1364	}
1235	#endif	1365	#endif
1236		1366
		1367	#if EV_IDLE_ENABLE
1237	int inline_size	1368	void inline_size
1238	time_update_monotonic (EV_P)	1369	idle_reify (EV_P)
1239	{	1370	{
		1371	if (expect_false (idleall))
		1372	{
		1373	int pri;
		1374
		1375	for (pri = NUMPRI; pri--; )
		1376	{
		1377	if (pendingcnt [pri])
		1378	break;
		1379
		1380	if (idlecnt [pri])
		1381	{
		1382	queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE);
		1383	break;
		1384	}
		1385	}
		1386	}
		1387	}
		1388	#endif
		1389
		1390	void inline_speed
		1391	time_update (EV_P_ ev_tstamp max_block)
		1392	{
		1393	int i;
		1394
		1395	#if EV_USE_MONOTONIC
		1396	if (expect_true (have_monotonic))
		1397	{
		1398	ev_tstamp odiff = rtmn_diff;
		1399
1240	mn_now = get_clock ();	1400	mn_now = get_clock ();
1241		1401
		1402	/* only fetch the realtime clock every 0.5MIN_TIMEJUMP seconds /
		1403	/* interpolate in the meantime */
1242	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1404	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
1243	{	1405	{
1244	ev_rt_now = rtmn_diff + mn_now;	1406	ev_rt_now = rtmn_diff + mn_now;
1245	return 0;	1407	return;
1246	}	1408	}
1247	else	1409
1248	{
1249	now_floor = mn_now;	1410	now_floor = mn_now;
1250	ev_rt_now = ev_time ();	1411	ev_rt_now = ev_time ();
1251	return 1;
1252	}
1253	}
1254		1412
1255	void inline_size	1413	/* loop a few times, before making important decisions.
1256	time_update (EV_P)	1414	* on the choice of "4": one iteration isn't enough,
1257	{	1415	* in case we get preempted during the calls to
1258	int i;	1416	* ev_time and get_clock. a second call is almost guaranteed
1259		1417	* to succeed in that case, though. and looping a few more times
1260	#if EV_USE_MONOTONIC	1418	* doesn't hurt either as we only do this on time-jumps or
1261	if (expect_true (have_monotonic))	1419	* in the unlikely event of having been preempted here.
1262	{	1420	*/
1263	if (time_update_monotonic (EV_A))	1421	for (i = 4; --i; )
1264	{	1422	{
1265	ev_tstamp odiff = rtmn_diff;
1266
1267	/* loop a few times, before making important decisions.
1268	* on the choice of "4": one iteration isn't enough,
1269	* in case we get preempted during the calls to
1270	* ev_time and get_clock. a second call is almost guarenteed
1271	* to succeed in that case, though. and looping a few more times
1272	* doesn't hurt either as we only do this on time-jumps or
1273	* in the unlikely event of getting preempted here.
1274	*/
1275	for (i = 4; --i; )
1276	{
1277	rtmn_diff = ev_rt_now - mn_now;	1423	rtmn_diff = ev_rt_now - mn_now;
1278		1424
1279	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1425	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
1280	return; /* all is well */	1426	return; /* all is well */
1281		1427
1282	ev_rt_now = ev_time ();	1428	ev_rt_now = ev_time ();
1283	mn_now = get_clock ();	1429	mn_now = get_clock ();
1284	now_floor = mn_now;	1430	now_floor = mn_now;
1285	}	1431	}
1286		1432
1287	# if EV_PERIODIC_ENABLE	1433	# if EV_PERIODIC_ENABLE
1288	periodics_reschedule (EV_A);	1434	periodics_reschedule (EV_A);
1289	# endif	1435	# endif
1290	/* no timer adjustment, as the monotonic clock doesn't jump */	1436	/* no timer adjustment, as the monotonic clock doesn't jump */
1291	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */	1437	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1292	}
1293	}	1438	}
1294	else	1439	else
1295	#endif	1440	#endif
1296	{	1441	{
1297	ev_rt_now = ev_time ();	1442	ev_rt_now = ev_time ();
1298		1443
1299	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1444	if (expect_false (mn_now > ev_rt_now \|\| ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))
1300	{	1445	{
1301	#if EV_PERIODIC_ENABLE	1446	#if EV_PERIODIC_ENABLE
1302	periodics_reschedule (EV_A);	1447	periodics_reschedule (EV_A);
1303	#endif	1448	#endif
1304
1305	/* adjust timers. this is easy, as the offset is the same for all */	1449	/* adjust timers. this is easy, as the offset is the same for all of them */
1306	for (i = 0; i < timercnt; ++i)	1450	for (i = 0; i < timercnt; ++i)
1307	((WT)timers [i])->at += ev_rt_now - mn_now;	1451	((WT)timers [i])->at += ev_rt_now - mn_now;
1308	}	1452	}
1309		1453
1310	mn_now = ev_rt_now;	1454	mn_now = ev_rt_now;
…		…
1330	{	1474	{
1331	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK)	1475	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK)
1332	? EVUNLOOP_ONE	1476	? EVUNLOOP_ONE
1333	: EVUNLOOP_CANCEL;	1477	: EVUNLOOP_CANCEL;
1334		1478
1335	while (activecnt)	1479	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */
		1480
		1481	do
1336	{	1482	{
1337	/* we might have forked, so reify kernel state if necessary */	1483	#ifndef _WIN32
		1484	if (expect_false (curpid)) /* penalise the forking check even more */
		1485	if (expect_false (getpid () != curpid))
		1486	{
		1487	curpid = getpid ();
		1488	postfork = 1;
		1489	}
		1490	#endif
		1491
1338	#if EV_FORK_ENABLE	1492	#if EV_FORK_ENABLE
		1493	/* we might have forked, so queue fork handlers */
1339	if (expect_false (postfork))	1494	if (expect_false (postfork))
1340	if (forkcnt)	1495	if (forkcnt)
1341	{	1496	{
1342	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	1497	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
1343	call_pending (EV_A);	1498	call_pending (EV_A);
1344	}	1499	}
1345	#endif	1500	#endif
1346		1501
1347	/* queue check watchers (and execute them) */	1502	/* queue prepare watchers (and execute them) */
1348	if (expect_false (preparecnt))	1503	if (expect_false (preparecnt))
1349	{	1504	{
1350	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1505	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
1351	call_pending (EV_A);	1506	call_pending (EV_A);
1352	}	1507	}
1353		1508
		1509	if (expect_false (!activecnt))
		1510	break;
		1511
1354	/* we might have forked, so reify kernel state if necessary */	1512	/* we might have forked, so reify kernel state if necessary */
1355	if (expect_false (postfork))	1513	if (expect_false (postfork))
1356	loop_fork (EV_A);	1514	loop_fork (EV_A);
1357		1515
1358	/* update fd-related kernel structures */	1516	/* update fd-related kernel structures */
1359	fd_reify (EV_A);	1517	fd_reify (EV_A);
1360		1518
1361	/* calculate blocking time */	1519	/* calculate blocking time */
1362	{	1520	{
1363	double block;	1521	ev_tstamp waittime = 0.;
		1522	ev_tstamp sleeptime = 0.;
1364		1523
1365	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1524	if (expect_true (!(flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt)))
1366	block = 0.; /* do not block at all */
1367	else
1368	{	1525	{
1369	/* update time to cancel out callback processing overhead */	1526	/* update time to cancel out callback processing overhead */
1370	#if EV_USE_MONOTONIC
1371	if (expect_true (have_monotonic))
1372	time_update_monotonic (EV_A);	1527	time_update (EV_A_ 1e100);
1373	else
1374	#endif
1375	{
1376	ev_rt_now = ev_time ();
1377	mn_now = ev_rt_now;
1378	}
1379		1528
1380	block = MAX_BLOCKTIME;	1529	waittime = MAX_BLOCKTIME;
1381		1530
1382	if (timercnt)	1531	if (timercnt)
1383	{	1532	{
1384	ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;	1533	ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;
1385	if (block > to) block = to;	1534	if (waittime > to) waittime = to;
1386	}	1535	}
1387		1536
1388	#if EV_PERIODIC_ENABLE	1537	#if EV_PERIODIC_ENABLE
1389	if (periodiccnt)	1538	if (periodiccnt)
1390	{	1539	{
1391	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge;	1540	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge;
1392	if (block > to) block = to;	1541	if (waittime > to) waittime = to;
1393	}	1542	}
1394	#endif	1543	#endif
1395		1544
1396	if (expect_false (block < 0.)) block = 0.;	1545	if (expect_false (waittime < timeout_blocktime))
		1546	waittime = timeout_blocktime;
		1547
		1548	sleeptime = waittime - backend_fudge;
		1549
		1550	if (expect_true (sleeptime > io_blocktime))
		1551	sleeptime = io_blocktime;
		1552
		1553	if (sleeptime)
		1554	{
		1555	ev_sleep (sleeptime);
		1556	waittime -= sleeptime;
		1557	}
1397	}	1558	}
1398		1559
		1560	++loop_count;
1399	backend_poll (EV_A_ block);	1561	backend_poll (EV_A_ waittime);
		1562
		1563	/* update ev_rt_now, do magic */
		1564	time_update (EV_A_ waittime + sleeptime);
1400	}	1565	}
1401
1402	/* update ev_rt_now, do magic */
1403	time_update (EV_A);
1404		1566
1405	/* queue pending timers and reschedule them */	1567	/* queue pending timers and reschedule them */
1406	timers_reify (EV_A); /* relative timers called last */	1568	timers_reify (EV_A); /* relative timers called last */
1407	#if EV_PERIODIC_ENABLE	1569	#if EV_PERIODIC_ENABLE
1408	periodics_reify (EV_A); /* absolute timers called first */	1570	periodics_reify (EV_A); /* absolute timers called first */
1409	#endif	1571	#endif
1410		1572
		1573	#if EV_IDLE_ENABLE
1411	/* queue idle watchers unless other events are pending */	1574	/* queue idle watchers unless other events are pending */
1412	if (idlecnt && !any_pending (EV_A))	1575	idle_reify (EV_A);
1413	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1576	#endif
1414		1577
1415	/* queue check watchers, to be executed first */	1578	/* queue check watchers, to be executed first */
1416	if (expect_false (checkcnt))	1579	if (expect_false (checkcnt))
1417	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1580	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1418		1581
1419	call_pending (EV_A);	1582	call_pending (EV_A);
1420		1583
1421	if (expect_false (loop_done))
1422	break;
1423	}	1584	}
		1585	while (expect_true (activecnt && !loop_done));
1424		1586
1425	if (loop_done == EVUNLOOP_ONE)	1587	if (loop_done == EVUNLOOP_ONE)
1426	loop_done = EVUNLOOP_CANCEL;	1588	loop_done = EVUNLOOP_CANCEL;
1427	}	1589	}
1428		1590
…		…
1455	head = &(*head)->next;	1617	head = &(*head)->next;
1456	}	1618	}
1457	}	1619	}
1458		1620
1459	void inline_speed	1621	void inline_speed
1460	ev_clear_pending (EV_P_ W w)	1622	clear_pending (EV_P_ W w)
1461	{	1623	{
1462	if (w->pending)	1624	if (w->pending)
1463	{	1625	{
1464	pendings [ABSPRI (w)][w->pending - 1].w = 0;	1626	pendings [ABSPRI (w)][w->pending - 1].w = 0;
1465	w->pending = 0;	1627	w->pending = 0;
1466	}	1628	}
1467	}	1629	}
1468		1630
		1631	int
		1632	ev_clear_pending (EV_P_ void *w)
		1633	{
		1634	W w_ = (W)w;
		1635	int pending = w_->pending;
		1636
		1637	if (expect_true (pending))
		1638	{
		1639	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
		1640	w_->pending = 0;
		1641	p->w = 0;
		1642	return p->events;
		1643	}
		1644	else
		1645	return 0;
		1646	}
		1647
		1648	void inline_size
		1649	pri_adjust (EV_P_ W w)
		1650	{
		1651	int pri = w->priority;
		1652	pri = pri < EV_MINPRI ? EV_MINPRI : pri;
		1653	pri = pri > EV_MAXPRI ? EV_MAXPRI : pri;
		1654	w->priority = pri;
		1655	}
		1656
1469	void inline_speed	1657	void inline_speed
1470	ev_start (EV_P_ W w, int active)	1658	ev_start (EV_P_ W w, int active)
1471	{	1659	{
1472	if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;	1660	pri_adjust (EV_A_ w);
1473	if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
1474
1475	w->active = active;	1661	w->active = active;
1476	ev_ref (EV_A);	1662	ev_ref (EV_A);
1477	}	1663	}
1478		1664
1479	void inline_size	1665	void inline_size
…		…
1483	w->active = 0;	1669	w->active = 0;
1484	}	1670	}
1485		1671
1486	/*****************************************************************************/	1672	/*****************************************************************************/
1487		1673
1488	void	1674	void noinline
1489	ev_io_start (EV_P_ ev_io *w)	1675	ev_io_start (EV_P_ ev_io *w)
1490	{	1676	{
1491	int fd = w->fd;	1677	int fd = w->fd;
1492		1678
1493	if (expect_false (ev_is_active (w)))	1679	if (expect_false (ev_is_active (w)))
…		…
1495		1681
1496	assert (("ev_io_start called with negative fd", fd >= 0));	1682	assert (("ev_io_start called with negative fd", fd >= 0));
1497		1683
1498	ev_start (EV_A_ (W)w, 1);	1684	ev_start (EV_A_ (W)w, 1);
1499	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);	1685	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1500	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1686	wlist_add (&anfds[fd].head, (WL)w);
1501		1687
1502	fd_change (EV_A_ fd);	1688	fd_change (EV_A_ fd, w->events & EV_IOFDSET \| 1);
		1689	w->events &= ~EV_IOFDSET;
1503	}	1690	}
1504		1691
1505	void	1692	void noinline
1506	ev_io_stop (EV_P_ ev_io *w)	1693	ev_io_stop (EV_P_ ev_io *w)
1507	{	1694	{
1508	ev_clear_pending (EV_A_ (W)w);	1695	clear_pending (EV_A_ (W)w);
1509	if (expect_false (!ev_is_active (w)))	1696	if (expect_false (!ev_is_active (w)))
1510	return;	1697	return;
1511		1698
1512	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	1699	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1513		1700
1514	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1701	wlist_del (&anfds[w->fd].head, (WL)w);
1515	ev_stop (EV_A_ (W)w);	1702	ev_stop (EV_A_ (W)w);
1516		1703
1517	fd_change (EV_A_ w->fd);	1704	fd_change (EV_A_ w->fd, 1);
1518	}	1705	}
1519		1706
1520	void	1707	void noinline
1521	ev_timer_start (EV_P_ ev_timer *w)	1708	ev_timer_start (EV_P_ ev_timer *w)
1522	{	1709	{
1523	if (expect_false (ev_is_active (w)))	1710	if (expect_false (ev_is_active (w)))
1524	return;	1711	return;
1525		1712
1526	((WT)w)->at += mn_now;	1713	((WT)w)->at += mn_now;
1527		1714
1528	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1715	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1529		1716
1530	ev_start (EV_A_ (W)w, ++timercnt);	1717	ev_start (EV_A_ (W)w, ++timercnt);
1531	array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2);	1718	array_needsize (WT, timers, timermax, timercnt, EMPTY2);
1532	timers [timercnt - 1] = w;	1719	timers [timercnt - 1] = (WT)w;
1533	upheap ((WT *)timers, timercnt - 1);	1720	upheap (timers, timercnt - 1);
1534		1721
1535	/assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));/	1722	/assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));/
1536	}	1723	}
1537		1724
1538	void	1725	void noinline
1539	ev_timer_stop (EV_P_ ev_timer *w)	1726	ev_timer_stop (EV_P_ ev_timer *w)
1540	{	1727	{
1541	ev_clear_pending (EV_A_ (W)w);	1728	clear_pending (EV_A_ (W)w);
1542	if (expect_false (!ev_is_active (w)))	1729	if (expect_false (!ev_is_active (w)))
1543	return;	1730	return;
1544		1731
1545	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1732	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w));
1546		1733
1547	{	1734	{
1548	int active = ((W)w)->active;	1735	int active = ((W)w)->active;
1549		1736
1550	if (expect_true (--active < --timercnt))	1737	if (expect_true (--active < --timercnt))
1551	{	1738	{
1552	timers [active] = timers [timercnt];	1739	timers [active] = timers [timercnt];
1553	adjustheap ((WT *)timers, timercnt, active);	1740	adjustheap (timers, timercnt, active);
1554	}	1741	}
1555	}	1742	}
1556		1743
1557	((WT)w)->at -= mn_now;	1744	((WT)w)->at -= mn_now;
1558		1745
1559	ev_stop (EV_A_ (W)w);	1746	ev_stop (EV_A_ (W)w);
1560	}	1747	}
1561		1748
1562	void	1749	void noinline
1563	ev_timer_again (EV_P_ ev_timer *w)	1750	ev_timer_again (EV_P_ ev_timer *w)
1564	{	1751	{
1565	if (ev_is_active (w))	1752	if (ev_is_active (w))
1566	{	1753	{
1567	if (w->repeat)	1754	if (w->repeat)
1568	{	1755	{
1569	((WT)w)->at = mn_now + w->repeat;	1756	((WT)w)->at = mn_now + w->repeat;
1570	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1757	adjustheap (timers, timercnt, ((W)w)->active - 1);
1571	}	1758	}
1572	else	1759	else
1573	ev_timer_stop (EV_A_ w);	1760	ev_timer_stop (EV_A_ w);
1574	}	1761	}
1575	else if (w->repeat)	1762	else if (w->repeat)
…		…
1578	ev_timer_start (EV_A_ w);	1765	ev_timer_start (EV_A_ w);
1579	}	1766	}
1580	}	1767	}
1581		1768
1582	#if EV_PERIODIC_ENABLE	1769	#if EV_PERIODIC_ENABLE
1583	void	1770	void noinline
1584	ev_periodic_start (EV_P_ ev_periodic *w)	1771	ev_periodic_start (EV_P_ ev_periodic *w)
1585	{	1772	{
1586	if (expect_false (ev_is_active (w)))	1773	if (expect_false (ev_is_active (w)))
1587	return;	1774	return;
1588		1775
…		…
1590	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1777	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1591	else if (w->interval)	1778	else if (w->interval)
1592	{	1779	{
1593	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1780	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1594	/* this formula differs from the one in periodic_reify because we do not always round up */	1781	/* this formula differs from the one in periodic_reify because we do not always round up */
1595	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;	1782	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1596	}	1783	}
		1784	else
		1785	((WT)w)->at = w->offset;
1597		1786
1598	ev_start (EV_A_ (W)w, ++periodiccnt);	1787	ev_start (EV_A_ (W)w, ++periodiccnt);
1599	array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);	1788	array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2);
1600	periodics [periodiccnt - 1] = w;	1789	periodics [periodiccnt - 1] = (WT)w;
1601	upheap ((WT *)periodics, periodiccnt - 1);	1790	upheap (periodics, periodiccnt - 1);
1602		1791
1603	/assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));/	1792	/assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));/
1604	}	1793	}
1605		1794
1606	void	1795	void noinline
1607	ev_periodic_stop (EV_P_ ev_periodic *w)	1796	ev_periodic_stop (EV_P_ ev_periodic *w)
1608	{	1797	{
1609	ev_clear_pending (EV_A_ (W)w);	1798	clear_pending (EV_A_ (W)w);
1610	if (expect_false (!ev_is_active (w)))	1799	if (expect_false (!ev_is_active (w)))
1611	return;	1800	return;
1612		1801
1613	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1802	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w));
1614		1803
1615	{	1804	{
1616	int active = ((W)w)->active;	1805	int active = ((W)w)->active;
1617		1806
1618	if (expect_true (--active < --periodiccnt))	1807	if (expect_true (--active < --periodiccnt))
1619	{	1808	{
1620	periodics [active] = periodics [periodiccnt];	1809	periodics [active] = periodics [periodiccnt];
1621	adjustheap ((WT *)periodics, periodiccnt, active);	1810	adjustheap (periodics, periodiccnt, active);
1622	}	1811	}
1623	}	1812	}
1624		1813
1625	ev_stop (EV_A_ (W)w);	1814	ev_stop (EV_A_ (W)w);
1626	}	1815	}
1627		1816
1628	void	1817	void noinline
1629	ev_periodic_again (EV_P_ ev_periodic *w)	1818	ev_periodic_again (EV_P_ ev_periodic *w)
1630	{	1819	{
1631	/* TODO: use adjustheap and recalculation */	1820	/* TODO: use adjustheap and recalculation */
1632	ev_periodic_stop (EV_A_ w);	1821	ev_periodic_stop (EV_A_ w);
1633	ev_periodic_start (EV_A_ w);	1822	ev_periodic_start (EV_A_ w);
…		…
1636		1825
1637	#ifndef SA_RESTART	1826	#ifndef SA_RESTART
1638	# define SA_RESTART 0	1827	# define SA_RESTART 0
1639	#endif	1828	#endif
1640		1829
1641	void	1830	void noinline
1642	ev_signal_start (EV_P_ ev_signal *w)	1831	ev_signal_start (EV_P_ ev_signal *w)
1643	{	1832	{
1644	#if EV_MULTIPLICITY	1833	#if EV_MULTIPLICITY
1645	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));	1834	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1646	#endif	1835	#endif
1647	if (expect_false (ev_is_active (w)))	1836	if (expect_false (ev_is_active (w)))
1648	return;	1837	return;
1649		1838
1650	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1839	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1651		1840
		1841	{
		1842	#ifndef _WIN32
		1843	sigset_t full, prev;
		1844	sigfillset (&full);
		1845	sigprocmask (SIG_SETMASK, &full, &prev);
		1846	#endif
		1847
		1848	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
		1849
		1850	#ifndef _WIN32
		1851	sigprocmask (SIG_SETMASK, &prev, 0);
		1852	#endif
		1853	}
		1854
1652	ev_start (EV_A_ (W)w, 1);	1855	ev_start (EV_A_ (W)w, 1);
1653	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1654	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1856	wlist_add (&signals [w->signum - 1].head, (WL)w);
1655		1857
1656	if (!((WL)w)->next)	1858	if (!((WL)w)->next)
1657	{	1859	{
1658	#if _WIN32	1860	#if _WIN32
1659	signal (w->signum, sighandler);	1861	signal (w->signum, sighandler);
…		…
1665	sigaction (w->signum, &sa, 0);	1867	sigaction (w->signum, &sa, 0);
1666	#endif	1868	#endif
1667	}	1869	}
1668	}	1870	}
1669		1871
1670	void	1872	void noinline
1671	ev_signal_stop (EV_P_ ev_signal *w)	1873	ev_signal_stop (EV_P_ ev_signal *w)
1672	{	1874	{
1673	ev_clear_pending (EV_A_ (W)w);	1875	clear_pending (EV_A_ (W)w);
1674	if (expect_false (!ev_is_active (w)))	1876	if (expect_false (!ev_is_active (w)))
1675	return;	1877	return;
1676		1878
1677	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1879	wlist_del (&signals [w->signum - 1].head, (WL)w);
1678	ev_stop (EV_A_ (W)w);	1880	ev_stop (EV_A_ (W)w);
1679		1881
1680	if (!signals [w->signum - 1].head)	1882	if (!signals [w->signum - 1].head)
1681	signal (w->signum, SIG_DFL);	1883	signal (w->signum, SIG_DFL);
1682	}	1884	}
…		…
1689	#endif	1891	#endif
1690	if (expect_false (ev_is_active (w)))	1892	if (expect_false (ev_is_active (w)))
1691	return;	1893	return;
1692		1894
1693	ev_start (EV_A_ (W)w, 1);	1895	ev_start (EV_A_ (W)w, 1);
1694	wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	1896	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1695	}	1897	}
1696		1898
1697	void	1899	void
1698	ev_child_stop (EV_P_ ev_child *w)	1900	ev_child_stop (EV_P_ ev_child *w)
1699	{	1901	{
1700	ev_clear_pending (EV_A_ (W)w);	1902	clear_pending (EV_A_ (W)w);
1701	if (expect_false (!ev_is_active (w)))	1903	if (expect_false (!ev_is_active (w)))
1702	return;	1904	return;
1703		1905
1704	wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	1906	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1705	ev_stop (EV_A_ (W)w);	1907	ev_stop (EV_A_ (W)w);
1706	}	1908	}
1707		1909
1708	#if EV_STAT_ENABLE	1910	#if EV_STAT_ENABLE
1709		1911
…		…
1713	# endif	1915	# endif
1714		1916
1715	#define DEF_STAT_INTERVAL 5.0074891	1917	#define DEF_STAT_INTERVAL 5.0074891
1716	#define MIN_STAT_INTERVAL 0.1074891	1918	#define MIN_STAT_INTERVAL 0.1074891
1717		1919
1718	void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	1920	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
1719		1921
1720	#if EV_USE_INOTIFY	1922	#if EV_USE_INOTIFY
1721	# define EV_INOTIFY_BUFSIZE ((PATH_MAX + sizeof (struct inotify_event)) + 2048)	1923	# define EV_INOTIFY_BUFSIZE 8192
1722		1924
1723	static void noinline	1925	static void noinline
1724	infy_add (EV_P_ ev_stat *w)	1926	infy_add (EV_P_ ev_stat *w)
1725	{	1927	{
1726	w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB \| IN_DELETE_SELF \| IN_MOVE_SELF \| IN_MODIFY \| IN_DONT_FOLLOW \| IN_MASK_ADD);	1928	w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB \| IN_DELETE_SELF \| IN_MOVE_SELF \| IN_MODIFY \| IN_DONT_FOLLOW \| IN_MASK_ADD);
…		…
1728	if (w->wd < 0)	1930	if (w->wd < 0)
1729	{	1931	{
1730	ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */	1932	ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
1731		1933
1732	/* monitor some parent directory for speedup hints */	1934	/* monitor some parent directory for speedup hints */
1733	if (errno == ENOENT \|\| errno == EACCES)	1935	if ((errno == ENOENT \|\| errno == EACCES) && strlen (w->path) < 4096)
1734	{	1936	{
1735	char path [PATH_MAX];	1937	char path [4096];
1736	strcpy (path, w->path);	1938	strcpy (path, w->path);
1737		1939
1738	do	1940	do
1739	{	1941	{
1740	int mask = IN_MASK_ADD \| IN_DELETE_SELF \| IN_MOVE_SELF	1942	int mask = IN_MASK_ADD \| IN_DELETE_SELF \| IN_MOVE_SELF
…		…
1744		1946
1745	if (!pend)	1947	if (!pend)
1746	break; /* whoops, no '/', complain to your admin */	1948	break; /* whoops, no '/', complain to your admin */
1747		1949
1748	*pend = 0;	1950	*pend = 0;
1749	w->wd = inotify_add_watch (fs_fd, path, IN_DELETE_SELF \| IN_CREATE \| IN_MOVED_TO \| IN_MASK_ADD);	1951	w->wd = inotify_add_watch (fs_fd, path, mask);
1750	}	1952	}
1751	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));	1953	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));
1752	}	1954	}
1753	}	1955	}
1754	else	1956	else
…		…
1759	}	1961	}
1760		1962
1761	static void noinline	1963	static void noinline
1762	infy_del (EV_P_ ev_stat *w)	1964	infy_del (EV_P_ ev_stat *w)
1763	{	1965	{
1764	WL w_;
1765	int slot;	1966	int slot;
1766	int wd = w->wd;	1967	int wd = w->wd;
1767		1968
1768	if (wd < 0)	1969	if (wd < 0)
1769	return;	1970	return;
…		…
1798	{	1999	{
1799	w->wd = -1;	2000	w->wd = -1;
1800	infy_add (EV_A_ w); /* re-add, no matter what */	2001	infy_add (EV_A_ w); /* re-add, no matter what */
1801	}	2002	}
1802		2003
1803	stat_timer_cb (EV_P_ &w->timer, 0);	2004	stat_timer_cb (EV_A_ &w->timer, 0);
1804	}	2005	}
1805	}	2006	}
1806	}	2007	}
1807	}	2008	}
1808		2009
…		…
1832	ev_set_priority (&fs_w, EV_MAXPRI);	2033	ev_set_priority (&fs_w, EV_MAXPRI);
1833	ev_io_start (EV_A_ &fs_w);	2034	ev_io_start (EV_A_ &fs_w);
1834	}	2035	}
1835	}	2036	}
1836		2037
		2038	void inline_size
		2039	infy_fork (EV_P)
		2040	{
		2041	int slot;
		2042
		2043	if (fs_fd < 0)
		2044	return;
		2045
		2046	close (fs_fd);
		2047	fs_fd = inotify_init ();
		2048
		2049	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
		2050	{
		2051	WL w_ = fs_hash [slot].head;
		2052	fs_hash [slot].head = 0;
		2053
		2054	while (w_)
		2055	{
		2056	ev_stat w = (ev_stat )w_;
		2057	w_ = w_->next; /* lets us add this watcher */
		2058
		2059	w->wd = -1;
		2060
		2061	if (fs_fd >= 0)
		2062	infy_add (EV_A_ w); /* re-add, no matter what */
		2063	else
		2064	ev_timer_start (EV_A_ &w->timer);
		2065	}
		2066
		2067	}
		2068	}
		2069
1837	#endif	2070	#endif
1838		2071
1839	void	2072	void
1840	ev_stat_stat (EV_P_ ev_stat *w)	2073	ev_stat_stat (EV_P_ ev_stat *w)
1841	{	2074	{
…		…
1843	w->attr.st_nlink = 0;	2076	w->attr.st_nlink = 0;
1844	else if (!w->attr.st_nlink)	2077	else if (!w->attr.st_nlink)
1845	w->attr.st_nlink = 1;	2078	w->attr.st_nlink = 1;
1846	}	2079	}
1847		2080
1848	void noinline	2081	static void noinline
1849	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	2082	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
1850	{	2083	{
1851	ev_stat w = (ev_stat )(((char *)w_) - offsetof (ev_stat, timer));	2084	ev_stat w = (ev_stat )(((char *)w_) - offsetof (ev_stat, timer));
1852		2085
1853	/* we copy this here each the time so that */	2086	/* we copy this here each the time so that */
1854	/* prev has the old value when the callback gets invoked */	2087	/* prev has the old value when the callback gets invoked */
1855	w->prev = w->attr;	2088	w->prev = w->attr;
1856	ev_stat_stat (EV_A_ w);	2089	ev_stat_stat (EV_A_ w);
1857		2090
1858	if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata)))	2091	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */
		2092	if (
		2093	w->prev.st_dev != w->attr.st_dev
		2094	\|\| w->prev.st_ino != w->attr.st_ino
		2095	\|\| w->prev.st_mode != w->attr.st_mode
		2096	\|\| w->prev.st_nlink != w->attr.st_nlink
		2097	\|\| w->prev.st_uid != w->attr.st_uid
		2098	\|\| w->prev.st_gid != w->attr.st_gid
		2099	\|\| w->prev.st_rdev != w->attr.st_rdev
		2100	\|\| w->prev.st_size != w->attr.st_size
		2101	\|\| w->prev.st_atime != w->attr.st_atime
		2102	\|\| w->prev.st_mtime != w->attr.st_mtime
		2103	\|\| w->prev.st_ctime != w->attr.st_ctime
1859	{	2104	) {
1860	#if EV_USE_INOTIFY	2105	#if EV_USE_INOTIFY
1861	infy_del (EV_A_ w);	2106	infy_del (EV_A_ w);
1862	infy_add (EV_A_ w);	2107	infy_add (EV_A_ w);
1863	ev_stat_stat (EV_A_ w); /* avoid race... */	2108	ev_stat_stat (EV_A_ w); /* avoid race... */
1864	#endif	2109	#endif
…		…
1898	}	2143	}
1899		2144
1900	void	2145	void
1901	ev_stat_stop (EV_P_ ev_stat *w)	2146	ev_stat_stop (EV_P_ ev_stat *w)
1902	{	2147	{
1903	ev_clear_pending (EV_A_ (W)w);	2148	clear_pending (EV_A_ (W)w);
1904	if (expect_false (!ev_is_active (w)))	2149	if (expect_false (!ev_is_active (w)))
1905	return;	2150	return;
1906		2151
1907	#if EV_USE_INOTIFY	2152	#if EV_USE_INOTIFY
1908	infy_del (EV_A_ w);	2153	infy_del (EV_A_ w);
…		…
1911		2156
1912	ev_stop (EV_A_ (W)w);	2157	ev_stop (EV_A_ (W)w);
1913	}	2158	}
1914	#endif	2159	#endif
1915		2160
		2161	#if EV_IDLE_ENABLE
1916	void	2162	void
1917	ev_idle_start (EV_P_ ev_idle *w)	2163	ev_idle_start (EV_P_ ev_idle *w)
1918	{	2164	{
1919	if (expect_false (ev_is_active (w)))	2165	if (expect_false (ev_is_active (w)))
1920	return;	2166	return;
1921		2167
		2168	pri_adjust (EV_A_ (W)w);
		2169
		2170	{
		2171	int active = ++idlecnt [ABSPRI (w)];
		2172
		2173	++idleall;
1922	ev_start (EV_A_ (W)w, ++idlecnt);	2174	ev_start (EV_A_ (W)w, active);
		2175
1923	array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2);	2176	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);
1924	idles [idlecnt - 1] = w;	2177	idles [ABSPRI (w)][active - 1] = w;
		2178	}
1925	}	2179	}
1926		2180
1927	void	2181	void
1928	ev_idle_stop (EV_P_ ev_idle *w)	2182	ev_idle_stop (EV_P_ ev_idle *w)
1929	{	2183	{
1930	ev_clear_pending (EV_A_ (W)w);	2184	clear_pending (EV_A_ (W)w);
1931	if (expect_false (!ev_is_active (w)))	2185	if (expect_false (!ev_is_active (w)))
1932	return;	2186	return;
1933		2187
1934	{	2188	{
1935	int active = ((W)w)->active;	2189	int active = ((W)w)->active;
1936	idles [active - 1] = idles [--idlecnt];	2190
		2191	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
1937	((W)idles [active - 1])->active = active;	2192	((W)idles [ABSPRI (w)][active - 1])->active = active;
		2193
		2194	ev_stop (EV_A_ (W)w);
		2195	--idleall;
1938	}	2196	}
1939
1940	ev_stop (EV_A_ (W)w);
1941	}	2197	}
		2198	#endif
1942		2199
1943	void	2200	void
1944	ev_prepare_start (EV_P_ ev_prepare *w)	2201	ev_prepare_start (EV_P_ ev_prepare *w)
1945	{	2202	{
1946	if (expect_false (ev_is_active (w)))	2203	if (expect_false (ev_is_active (w)))
…		…
1952	}	2209	}
1953		2210
1954	void	2211	void
1955	ev_prepare_stop (EV_P_ ev_prepare *w)	2212	ev_prepare_stop (EV_P_ ev_prepare *w)
1956	{	2213	{
1957	ev_clear_pending (EV_A_ (W)w);	2214	clear_pending (EV_A_ (W)w);
1958	if (expect_false (!ev_is_active (w)))	2215	if (expect_false (!ev_is_active (w)))
1959	return;	2216	return;
1960		2217
1961	{	2218	{
1962	int active = ((W)w)->active;	2219	int active = ((W)w)->active;
…		…
1979	}	2236	}
1980		2237
1981	void	2238	void
1982	ev_check_stop (EV_P_ ev_check *w)	2239	ev_check_stop (EV_P_ ev_check *w)
1983	{	2240	{
1984	ev_clear_pending (EV_A_ (W)w);	2241	clear_pending (EV_A_ (W)w);
1985	if (expect_false (!ev_is_active (w)))	2242	if (expect_false (!ev_is_active (w)))
1986	return;	2243	return;
1987		2244
1988	{	2245	{
1989	int active = ((W)w)->active;	2246	int active = ((W)w)->active;
…		…
1996		2253
1997	#if EV_EMBED_ENABLE	2254	#if EV_EMBED_ENABLE
1998	void noinline	2255	void noinline
1999	ev_embed_sweep (EV_P_ ev_embed *w)	2256	ev_embed_sweep (EV_P_ ev_embed *w)
2000	{	2257	{
2001	ev_loop (w->loop, EVLOOP_NONBLOCK);	2258	ev_loop (w->other, EVLOOP_NONBLOCK);
2002	}	2259	}
2003		2260
2004	static void	2261	static void
2005	embed_cb (EV_P_ ev_io *io, int revents)	2262	embed_io_cb (EV_P_ ev_io *io, int revents)
2006	{	2263	{
2007	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));	2264	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));
2008		2265
2009	if (ev_cb (w))	2266	if (ev_cb (w))
2010	ev_feed_event (EV_A_ (W)w, EV_EMBED);	2267	ev_feed_event (EV_A_ (W)w, EV_EMBED);
2011	else	2268	else
2012	ev_embed_sweep (loop, w);	2269	ev_embed_sweep (loop, w);
2013	}	2270	}
2014		2271
		2272	static void
		2273	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
		2274	{
		2275	ev_embed w = (ev_embed )(((char *)prepare) - offsetof (ev_embed, prepare));
		2276
		2277	fd_reify (w->other);
		2278	}
		2279
2015	void	2280	void
2016	ev_embed_start (EV_P_ ev_embed *w)	2281	ev_embed_start (EV_P_ ev_embed *w)
2017	{	2282	{
2018	if (expect_false (ev_is_active (w)))	2283	if (expect_false (ev_is_active (w)))
2019	return;	2284	return;
2020		2285
2021	{	2286	{
2022	struct ev_loop *loop = w->loop;	2287	struct ev_loop *loop = w->other;
2023	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	2288	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2024	ev_io_init (&w->io, embed_cb, backend_fd, EV_READ);	2289	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2025	}	2290	}
2026		2291
2027	ev_set_priority (&w->io, ev_priority (w));	2292	ev_set_priority (&w->io, ev_priority (w));
2028	ev_io_start (EV_A_ &w->io);	2293	ev_io_start (EV_A_ &w->io);
2029		2294
		2295	ev_prepare_init (&w->prepare, embed_prepare_cb);
		2296	ev_set_priority (&w->prepare, EV_MINPRI);
		2297	ev_prepare_start (EV_A_ &w->prepare);
		2298
2030	ev_start (EV_A_ (W)w, 1);	2299	ev_start (EV_A_ (W)w, 1);
2031	}	2300	}
2032		2301
2033	void	2302	void
2034	ev_embed_stop (EV_P_ ev_embed *w)	2303	ev_embed_stop (EV_P_ ev_embed *w)
2035	{	2304	{
2036	ev_clear_pending (EV_A_ (W)w);	2305	clear_pending (EV_A_ (W)w);
2037	if (expect_false (!ev_is_active (w)))	2306	if (expect_false (!ev_is_active (w)))
2038	return;	2307	return;
2039		2308
2040	ev_io_stop (EV_A_ &w->io);	2309	ev_io_stop (EV_A_ &w->io);
		2310	ev_prepare_stop (EV_A_ &w->prepare);
2041		2311
2042	ev_stop (EV_A_ (W)w);	2312	ev_stop (EV_A_ (W)w);
2043	}	2313	}
2044	#endif	2314	#endif
2045		2315
…		…
2056	}	2326	}
2057		2327
2058	void	2328	void
2059	ev_fork_stop (EV_P_ ev_fork *w)	2329	ev_fork_stop (EV_P_ ev_fork *w)
2060	{	2330	{
2061	ev_clear_pending (EV_A_ (W)w);	2331	clear_pending (EV_A_ (W)w);
2062	if (expect_false (!ev_is_active (w)))	2332	if (expect_false (!ev_is_active (w)))
2063	return;	2333	return;
2064		2334
2065	{	2335	{
2066	int active = ((W)w)->active;	2336	int active = ((W)w)->active;
…		…
2134	ev_timer_set (&once->to, timeout, 0.);	2404	ev_timer_set (&once->to, timeout, 0.);
2135	ev_timer_start (EV_A_ &once->to);	2405	ev_timer_start (EV_A_ &once->to);
2136	}	2406	}
2137	}	2407	}
2138		2408
		2409	#if EV_MULTIPLICITY
		2410	#include "ev_wrap.h"
		2411	#endif
		2412
2139	#ifdef __cplusplus	2413	#ifdef __cplusplus
2140	}	2414	}
2141	#endif	2415	#endif
2142		2416

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Comparing libev/ev.c (file contents): Revision 1.152 by root, Wed Nov 28 11:15:55 2007 UTC vs. Revision 1.193 by root, Sat Dec 22 05:47:58 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.152 by root, Wed Nov 28 11:15:55 2007 UTC vs.
Revision 1.193 by root, Sat Dec 22 05:47:58 2007 UTC