[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 1.194 by root, Sat Dec 22 07:03:31 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;
254		284
		285	/* sig_atomic_t is used to avoid per-thread variables or locking but still */
		286	/* giving it a reasonably high chance of working on typical architetcures */
255	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	287	static sig_atomic_t have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
256		288
257	#ifdef _WIN32	289	#ifdef _WIN32
258	# include "ev_win32.c"	290	# include "ev_win32.c"
259	#endif	291	#endif
260		292
…		…
281	perror (msg);	313	perror (msg);
282	abort ();	314	abort ();
283	}	315	}
284	}	316	}
285		317
286	static void (alloc)(void *ptr, size_t size) = realloc;	318	static void (alloc)(void *ptr, long size);
287		319
288	void	320	void
289	ev_set_allocator (void (cb)(void *ptr, size_t size))	321	ev_set_allocator (void (cb)(void *ptr, long size))
290	{	322	{
291	alloc = cb;	323	alloc = cb;
292	}	324	}
293		325
294	inline_speed void *	326	inline_speed void *
295	ev_realloc (void *ptr, size_t size)	327	ev_realloc (void *ptr, long size)
296	{	328	{
297	ptr = alloc (ptr, size);	329	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
298		330
299	if (!ptr && size)	331	if (!ptr && size)
300	{	332	{
301	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", (long)size);	333	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
302	abort ();	334	abort ();
303	}	335	}
304		336
305	return ptr;	337	return ptr;
306	}	338	}
…		…
324	{	356	{
325	W w;	357	W w;
326	int events;	358	int events;
327	} ANPENDING;	359	} ANPENDING;
328		360
		361	#if EV_USE_INOTIFY
329	typedef struct	362	typedef struct
330	{	363	{
331	#if EV_USE_INOTIFY
332	WL head;	364	WL head;
333	#endif
334	} ANFS;	365	} ANFS;
		366	#endif
335		367
336	#if EV_MULTIPLICITY	368	#if EV_MULTIPLICITY
337		369
338	struct ev_loop	370	struct ev_loop
339	{	371	{
…		…
396	{	428	{
397	return ev_rt_now;	429	return ev_rt_now;
398	}	430	}
399	#endif	431	#endif
400		432
401	#define array_roundsize(type,n) (((n) \| 4) & ~3)	433	void
		434	ev_sleep (ev_tstamp delay)
		435	{
		436	if (delay > 0.)
		437	{
		438	#if EV_USE_NANOSLEEP
		439	struct timespec ts;
		440
		441	ts.tv_sec = (time_t)delay;
		442	ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
		443
		444	nanosleep (&ts, 0);
		445	#elif defined(_WIN32)
		446	Sleep (delay * 1e3);
		447	#else
		448	struct timeval tv;
		449
		450	tv.tv_sec = (time_t)delay;
		451	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
		452
		453	select (0, 0, 0, 0, &tv);
		454	#endif
		455	}
		456	}
		457
		458	/*****************************************************************************/
		459
		460	int inline_size
		461	array_nextsize (int elem, int cur, int cnt)
		462	{
		463	int ncur = cur + 1;
		464
		465	do
		466	ncur <<= 1;
		467	while (cnt > ncur);
		468
		469	/* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */
		470	if (elem * ncur > 4096)
		471	{
		472	ncur *= elem;
		473	ncur = (ncur + elem + 4095 + sizeof (void ) 4) & ~4095;
		474	ncur = ncur - sizeof (void ) 4;
		475	ncur /= elem;
		476	}
		477
		478	return ncur;
		479	}
		480
		481	static noinline void *
		482	array_realloc (int elem, void base, int cur, int cnt)
		483	{
		484	cur = array_nextsize (elem, cur, cnt);
		485	return ev_realloc (base, elem * *cur);
		486	}
402		487
403	#define array_needsize(type,base,cur,cnt,init) \	488	#define array_needsize(type,base,cur,cnt,init) \
404	if (expect_false ((cnt) > cur)) \	489	if (expect_false ((cnt) > (cur))) \
405	{ \	490	{ \
406	int newcnt = cur; \	491	int ocur_ = (cur); \
407	do \	492	(base) = (type *)array_realloc \
408	{ \	493	(sizeof (type), (base), &(cur), (cnt)); \
409	newcnt = array_roundsize (type, newcnt << 1); \	494	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	}	495	}
417		496
		497	#if 0
418	#define array_slim(type,stem) \	498	#define array_slim(type,stem) \
419	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	499	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
420	{ \	500	{ \
421	stem ## max = array_roundsize (stem ## cnt >> 1); \	501	stem ## max = array_roundsize (stem ## cnt >> 1); \
422	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\	502	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
423	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\	503	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
424	}	504	}
		505	#endif
425		506
426	#define array_free(stem, idx) \	507	#define array_free(stem, idx) \
427	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;	508	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
428		509
429	/*****************************************************************************/	510	/*****************************************************************************/
430		511
431	void noinline	512	void noinline
432	ev_feed_event (EV_P_ void *w, int revents)	513	ev_feed_event (EV_P_ void *w, int revents)
433	{	514	{
434	W w_ = (W)w;	515	W w_ = (W)w;
		516	int pri = ABSPRI (w_);
435		517
436	if (expect_false (w_->pending))	518	if (expect_false (w_->pending))
		519	pendings [pri][w_->pending - 1].events \|= revents;
		520	else
437	{	521	{
		522	w_->pending = ++pendingcnt [pri];
		523	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
		524	pendings [pri][w_->pending - 1].w = w_;
438	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;	525	pendings [pri][w_->pending - 1].events = revents;
439	return;
440	}	526	}
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	}	527	}
447		528
448	void inline_size	529	void inline_speed
449	queue_events (EV_P_ W *events, int eventcnt, int type)	530	queue_events (EV_P_ W *events, int eventcnt, int type)
450	{	531	{
451	int i;	532	int i;
452		533
453	for (i = 0; i < eventcnt; ++i)	534	for (i = 0; i < eventcnt; ++i)
…		…
485	}	566	}
486		567
487	void	568	void
488	ev_feed_fd_event (EV_P_ int fd, int revents)	569	ev_feed_fd_event (EV_P_ int fd, int revents)
489	{	570	{
		571	if (fd >= 0 && fd < anfdmax)
490	fd_event (EV_A_ fd, revents);	572	fd_event (EV_A_ fd, revents);
491	}	573	}
492		574
493	void inline_size	575	void inline_size
494	fd_reify (EV_P)	576	fd_reify (EV_P)
495	{	577	{
…		…
499	{	581	{
500	int fd = fdchanges [i];	582	int fd = fdchanges [i];
501	ANFD *anfd = anfds + fd;	583	ANFD *anfd = anfds + fd;
502	ev_io *w;	584	ev_io *w;
503		585
504	int events = 0;	586	unsigned char events = 0;
505		587
506	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)	588	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)
507	events \|= w->events;	589	events \|= (unsigned char)w->events;
508		590
509	#if EV_SELECT_IS_WINSOCKET	591	#if EV_SELECT_IS_WINSOCKET
510	if (events)	592	if (events)
511	{	593	{
512	unsigned long argp;	594	unsigned long argp;
513	anfd->handle = _get_osfhandle (fd);	595	anfd->handle = _get_osfhandle (fd);
514	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));	596	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
515	}	597	}
516	#endif	598	#endif
517		599
		600	{
		601	unsigned char o_events = anfd->events;
		602	unsigned char o_reify = anfd->reify;
		603
518	anfd->reify = 0;	604	anfd->reify = 0;
519
520	backend_modify (EV_A_ fd, anfd->events, events);
521	anfd->events = events;	605	anfd->events = events;
		606
		607	if (o_events != events \|\| o_reify & EV_IOFDSET)
		608	backend_modify (EV_A_ fd, o_events, events);
		609	}
522	}	610	}
523		611
524	fdchangecnt = 0;	612	fdchangecnt = 0;
525	}	613	}
526		614
527	void inline_size	615	void inline_size
528	fd_change (EV_P_ int fd)	616	fd_change (EV_P_ int fd, int flags)
529	{	617	{
530	if (expect_false (anfds [fd].reify))	618	unsigned char reify = anfds [fd].reify;
531	return;
532
533	anfds [fd].reify = 1;	619	anfds [fd].reify \|= flags;
534		620
		621	if (expect_true (!reify))
		622	{
535	++fdchangecnt;	623	++fdchangecnt;
536	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	624	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
537	fdchanges [fdchangecnt - 1] = fd;	625	fdchanges [fdchangecnt - 1] = fd;
		626	}
538	}	627	}
539		628
540	void inline_speed	629	void inline_speed
541	fd_kill (EV_P_ int fd)	630	fd_kill (EV_P_ int fd)
542	{	631	{
…		…
589	static void noinline	678	static void noinline
590	fd_rearm_all (EV_P)	679	fd_rearm_all (EV_P)
591	{	680	{
592	int fd;	681	int fd;
593		682
594	/* this should be highly optimised to not do anything but set a flag */
595	for (fd = 0; fd < anfdmax; ++fd)	683	for (fd = 0; fd < anfdmax; ++fd)
596	if (anfds [fd].events)	684	if (anfds [fd].events)
597	{	685	{
598	anfds [fd].events = 0;	686	anfds [fd].events = 0;
599	fd_change (EV_A_ fd);	687	fd_change (EV_A_ fd, EV_IOFDSET \| 1);
600	}	688	}
601	}	689	}
602		690
603	/*****************************************************************************/	691	/*****************************************************************************/
604		692
605	void inline_speed	693	void inline_speed
606	upheap (WT *heap, int k)	694	upheap (WT *heap, int k)
607	{	695	{
608	WT w = heap [k];	696	WT w = heap [k];
609		697
610	while (k && heap [k >> 1]->at > w->at)	698	while (k)
611	{	699	{
		700	int p = (k - 1) >> 1;
		701
		702	if (heap [p]->at <= w->at)
		703	break;
		704
612	heap [k] = heap [k >> 1];	705	heap [k] = heap [p];
613	((W)heap [k])->active = k + 1;	706	((W)heap [k])->active = k + 1;
614	k >>= 1;	707	k = p;
615	}	708	}
616		709
617	heap [k] = w;	710	heap [k] = w;
618	((W)heap [k])->active = k + 1;	711	((W)heap [k])->active = k + 1;
619
620	}	712	}
621		713
622	void inline_speed	714	void inline_speed
623	downheap (WT *heap, int N, int k)	715	downheap (WT *heap, int N, int k)
624	{	716	{
625	WT w = heap [k];	717	WT w = heap [k];
626		718
627	while (k < (N >> 1))	719	for (;;)
628	{	720	{
629	int j = k << 1;	721	int c = (k << 1) + 1;
630		722
631	if (j + 1 < N && heap [j]->at > heap [j + 1]->at)	723	if (c >= N)
632	++j;
633
634	if (w->at <= heap [j]->at)
635	break;	724	break;
636		725
		726	c += c + 1 < N && heap [c]->at > heap [c + 1]->at
		727	? 1 : 0;
		728
		729	if (w->at <= heap [c]->at)
		730	break;
		731
637	heap [k] = heap [j];	732	heap [k] = heap [c];
638	((W)heap [k])->active = k + 1;	733	((W)heap [k])->active = k + 1;
		734
639	k = j;	735	k = c;
640	}	736	}
641		737
642	heap [k] = w;	738	heap [k] = w;
643	((W)heap [k])->active = k + 1;	739	((W)heap [k])->active = k + 1;
644	}	740	}
…		…
726	for (signum = signalmax; signum--; )	822	for (signum = signalmax; signum--; )
727	if (signals [signum].gotsig)	823	if (signals [signum].gotsig)
728	ev_feed_signal_event (EV_A_ signum + 1);	824	ev_feed_signal_event (EV_A_ signum + 1);
729	}	825	}
730		826
731	void inline_size	827	void inline_speed
732	fd_intern (int fd)	828	fd_intern (int fd)
733	{	829	{
734	#ifdef _WIN32	830	#ifdef _WIN32
735	int arg = 1;	831	int arg = 1;
736	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	832	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
…		…
751	ev_unref (EV_A); /* child watcher should not keep loop alive */	847	ev_unref (EV_A); /* child watcher should not keep loop alive */
752	}	848	}
753		849
754	/*****************************************************************************/	850	/*****************************************************************************/
755		851
756	static ev_child *childs [EV_PID_HASHSIZE];	852	static WL childs [EV_PID_HASHSIZE];
757		853
758	#ifndef _WIN32	854	#ifndef _WIN32
759		855
760	static ev_signal childev;	856	static ev_signal childev;
761		857
…		…
765	ev_child *w;	861	ev_child *w;
766		862
767	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	863	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)
768	if (w->pid == pid \|\| !w->pid)	864	if (w->pid == pid \|\| !w->pid)
769	{	865	{
770	ev_priority (w) = ev_priority (sw); /* need to do it now */	866	ev_set_priority (w, ev_priority (sw)); /* need to do it now */
771	w->rpid = pid;	867	w->rpid = pid;
772	w->rstatus = status;	868	w->rstatus = status;
773	ev_feed_event (EV_A_ (W)w, EV_CHILD);	869	ev_feed_event (EV_A_ (W)w, EV_CHILD);
774	}	870	}
775	}	871	}
776		872
777	#ifndef WCONTINUED	873	#ifndef WCONTINUED
…		…
876	}	972	}
877		973
878	unsigned int	974	unsigned int
879	ev_embeddable_backends (void)	975	ev_embeddable_backends (void)
880	{	976	{
		977	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
881	return EVBACKEND_EPOLL	978	return EVBACKEND_KQUEUE
882	\| EVBACKEND_KQUEUE
883	\| EVBACKEND_PORT;	979	\| EVBACKEND_PORT;
884	}	980	}
885		981
886	unsigned int	982	unsigned int
887	ev_backend (EV_P)	983	ev_backend (EV_P)
888	{	984	{
889	return backend;	985	return backend;
		986	}
		987
		988	unsigned int
		989	ev_loop_count (EV_P)
		990	{
		991	return loop_count;
		992	}
		993
		994	void
		995	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)
		996	{
		997	io_blocktime = interval;
		998	}
		999
		1000	void
		1001	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)
		1002	{
		1003	timeout_blocktime = interval;
890	}	1004	}
891		1005
892	static void noinline	1006	static void noinline
893	loop_init (EV_P_ unsigned int flags)	1007	loop_init (EV_P_ unsigned int flags)
894	{	1008	{
…		…
905	ev_rt_now = ev_time ();	1019	ev_rt_now = ev_time ();
906	mn_now = get_clock ();	1020	mn_now = get_clock ();
907	now_floor = mn_now;	1021	now_floor = mn_now;
908	rtmn_diff = ev_rt_now - mn_now;	1022	rtmn_diff = ev_rt_now - mn_now;
909		1023
		1024	io_blocktime = 0.;
		1025	timeout_blocktime = 0.;
		1026
		1027	/* pid check not overridable via env */
		1028	#ifndef _WIN32
		1029	if (flags & EVFLAG_FORKCHECK)
		1030	curpid = getpid ();
		1031	#endif
		1032
910	if (!(flags & EVFLAG_NOENV)	1033	if (!(flags & EVFLAG_NOENV)
911	&& !enable_secure ()	1034	&& !enable_secure ()
912	&& getenv ("LIBEV_FLAGS"))	1035	&& getenv ("LIBEV_FLAGS"))
913	flags = atoi (getenv ("LIBEV_FLAGS"));	1036	flags = atoi (getenv ("LIBEV_FLAGS"));
914		1037
…		…
970	#if EV_USE_SELECT	1093	#if EV_USE_SELECT
971	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	1094	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);
972	#endif	1095	#endif
973		1096
974	for (i = NUMPRI; i--; )	1097	for (i = NUMPRI; i--; )
		1098	{
975	array_free (pending, [i]);	1099	array_free (pending, [i]);
		1100	#if EV_IDLE_ENABLE
		1101	array_free (idle, [i]);
		1102	#endif
		1103	}
		1104
		1105	ev_free (anfds); anfdmax = 0;
976		1106
977	/* have to use the microsoft-never-gets-it-right macro */	1107	/* have to use the microsoft-never-gets-it-right macro */
978	array_free (fdchange, EMPTY0);	1108	array_free (fdchange, EMPTY);
979	array_free (timer, EMPTY0);	1109	array_free (timer, EMPTY);
980	#if EV_PERIODIC_ENABLE	1110	#if EV_PERIODIC_ENABLE
981	array_free (periodic, EMPTY0);	1111	array_free (periodic, EMPTY);
982	#endif	1112	#endif
		1113	#if EV_FORK_ENABLE
983	array_free (idle, EMPTY0);	1114	array_free (fork, EMPTY);
		1115	#endif
984	array_free (prepare, EMPTY0);	1116	array_free (prepare, EMPTY);
985	array_free (check, EMPTY0);	1117	array_free (check, EMPTY);
986		1118
987	backend = 0;	1119	backend = 0;
988	}	1120	}
		1121
		1122	void inline_size infy_fork (EV_P);
989		1123
990	void inline_size	1124	void inline_size
991	loop_fork (EV_P)	1125	loop_fork (EV_P)
992	{	1126	{
993	#if EV_USE_PORT	1127	#if EV_USE_PORT
…		…
996	#if EV_USE_KQUEUE	1130	#if EV_USE_KQUEUE
997	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	1131	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);
998	#endif	1132	#endif
999	#if EV_USE_EPOLL	1133	#if EV_USE_EPOLL
1000	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	1134	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
		1135	#endif
		1136	#if EV_USE_INOTIFY
		1137	infy_fork (EV_A);
1001	#endif	1138	#endif
1002		1139
1003	if (ev_is_active (&sigev))	1140	if (ev_is_active (&sigev))
1004	{	1141	{
1005	/* default loop */	1142	/* default loop */
…		…
1121	postfork = 1;	1258	postfork = 1;
1122	}	1259	}
1123		1260
1124	/*****************************************************************************/	1261	/*****************************************************************************/
1125		1262
1126	int inline_size	1263	void
1127	any_pending (EV_P)	1264	ev_invoke (EV_P_ void *w, int revents)
1128	{	1265	{
1129	int pri;	1266	EV_CB_INVOKE ((W)w, revents);
1130
1131	for (pri = NUMPRI; pri--; )
1132	if (pendingcnt [pri])
1133	return 1;
1134
1135	return 0;
1136	}	1267	}
1137		1268
1138	void inline_speed	1269	void inline_speed
1139	call_pending (EV_P)	1270	call_pending (EV_P)
1140	{	1271	{
…		…
1158	void inline_size	1289	void inline_size
1159	timers_reify (EV_P)	1290	timers_reify (EV_P)
1160	{	1291	{
1161	while (timercnt && ((WT)timers [0])->at <= mn_now)	1292	while (timercnt && ((WT)timers [0])->at <= mn_now)
1162	{	1293	{
1163	ev_timer *w = timers [0];	1294	ev_timer w = (ev_timer )timers [0];
1164		1295
1165	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/	1296	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/
1166		1297
1167	/* first reschedule or stop timer */	1298	/* first reschedule or stop timer */
1168	if (w->repeat)	1299	if (w->repeat)
…		…
1171		1302
1172	((WT)w)->at += w->repeat;	1303	((WT)w)->at += w->repeat;
1173	if (((WT)w)->at < mn_now)	1304	if (((WT)w)->at < mn_now)
1174	((WT)w)->at = mn_now;	1305	((WT)w)->at = mn_now;
1175		1306
1176	downheap ((WT *)timers, timercnt, 0);	1307	downheap (timers, timercnt, 0);
1177	}	1308	}
1178	else	1309	else
1179	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1310	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1180		1311
1181	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1312	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
…		…
1186	void inline_size	1317	void inline_size
1187	periodics_reify (EV_P)	1318	periodics_reify (EV_P)
1188	{	1319	{
1189	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)	1320	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1190	{	1321	{
1191	ev_periodic *w = periodics [0];	1322	ev_periodic w = (ev_periodic )periodics [0];
1192		1323
1193	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/	1324	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/
1194		1325
1195	/* first reschedule or stop timer */	1326	/* first reschedule or stop timer */
1196	if (w->reschedule_cb)	1327	if (w->reschedule_cb)
1197	{	1328	{
1198	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);	1329	((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));	1330	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1200	downheap ((WT *)periodics, periodiccnt, 0);	1331	downheap (periodics, periodiccnt, 0);
1201	}	1332	}
1202	else if (w->interval)	1333	else if (w->interval)
1203	{	1334	{
1204	((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;	1335	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
		1336	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));	1337	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);	1338	downheap (periodics, periodiccnt, 0);
1207	}	1339	}
1208	else	1340	else
1209	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1341	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1210		1342
1211	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);	1343	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
…		…
1218	int i;	1350	int i;
1219		1351
1220	/* adjust periodics after time jump */	1352	/* adjust periodics after time jump */
1221	for (i = 0; i < periodiccnt; ++i)	1353	for (i = 0; i < periodiccnt; ++i)
1222	{	1354	{
1223	ev_periodic *w = periodics [i];	1355	ev_periodic w = (ev_periodic )periodics [i];
1224		1356
1225	if (w->reschedule_cb)	1357	if (w->reschedule_cb)
1226	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1358	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1227	else if (w->interval)	1359	else if (w->interval)
1228	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;	1360	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1229	}	1361	}
1230		1362
1231	/* now rebuild the heap */	1363	/* now rebuild the heap */
1232	for (i = periodiccnt >> 1; i--; )	1364	for (i = periodiccnt >> 1; i--; )
1233	downheap ((WT *)periodics, periodiccnt, i);	1365	downheap (periodics, periodiccnt, i);
1234	}	1366	}
1235	#endif	1367	#endif
1236		1368
		1369	#if EV_IDLE_ENABLE
1237	int inline_size	1370	void inline_size
1238	time_update_monotonic (EV_P)	1371	idle_reify (EV_P)
1239	{	1372	{
		1373	if (expect_false (idleall))
		1374	{
		1375	int pri;
		1376
		1377	for (pri = NUMPRI; pri--; )
		1378	{
		1379	if (pendingcnt [pri])
		1380	break;
		1381
		1382	if (idlecnt [pri])
		1383	{
		1384	queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE);
		1385	break;
		1386	}
		1387	}
		1388	}
		1389	}
		1390	#endif
		1391
		1392	void inline_speed
		1393	time_update (EV_P_ ev_tstamp max_block)
		1394	{
		1395	int i;
		1396
		1397	#if EV_USE_MONOTONIC
		1398	if (expect_true (have_monotonic))
		1399	{
		1400	ev_tstamp odiff = rtmn_diff;
		1401
1240	mn_now = get_clock ();	1402	mn_now = get_clock ();
1241		1403
		1404	/* only fetch the realtime clock every 0.5MIN_TIMEJUMP seconds /
		1405	/* interpolate in the meantime */
1242	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1406	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
1243	{	1407	{
1244	ev_rt_now = rtmn_diff + mn_now;	1408	ev_rt_now = rtmn_diff + mn_now;
1245	return 0;	1409	return;
1246	}	1410	}
1247	else	1411
1248	{
1249	now_floor = mn_now;	1412	now_floor = mn_now;
1250	ev_rt_now = ev_time ();	1413	ev_rt_now = ev_time ();
1251	return 1;
1252	}
1253	}
1254		1414
1255	void inline_size	1415	/* loop a few times, before making important decisions.
1256	time_update (EV_P)	1416	* on the choice of "4": one iteration isn't enough,
1257	{	1417	* in case we get preempted during the calls to
1258	int i;	1418	* ev_time and get_clock. a second call is almost guaranteed
1259		1419	* to succeed in that case, though. and looping a few more times
1260	#if EV_USE_MONOTONIC	1420	* doesn't hurt either as we only do this on time-jumps or
1261	if (expect_true (have_monotonic))	1421	* in the unlikely event of having been preempted here.
1262	{	1422	*/
1263	if (time_update_monotonic (EV_A))	1423	for (i = 4; --i; )
1264	{	1424	{
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;	1425	rtmn_diff = ev_rt_now - mn_now;
1278		1426
1279	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1427	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
1280	return; /* all is well */	1428	return; /* all is well */
1281		1429
1282	ev_rt_now = ev_time ();	1430	ev_rt_now = ev_time ();
1283	mn_now = get_clock ();	1431	mn_now = get_clock ();
1284	now_floor = mn_now;	1432	now_floor = mn_now;
1285	}	1433	}
1286		1434
1287	# if EV_PERIODIC_ENABLE	1435	# if EV_PERIODIC_ENABLE
1288	periodics_reschedule (EV_A);	1436	periodics_reschedule (EV_A);
1289	# endif	1437	# endif
1290	/* no timer adjustment, as the monotonic clock doesn't jump */	1438	/* no timer adjustment, as the monotonic clock doesn't jump */
1291	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */	1439	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1292	}
1293	}	1440	}
1294	else	1441	else
1295	#endif	1442	#endif
1296	{	1443	{
1297	ev_rt_now = ev_time ();	1444	ev_rt_now = ev_time ();
1298		1445
1299	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1446	if (expect_false (mn_now > ev_rt_now \|\| ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))
1300	{	1447	{
1301	#if EV_PERIODIC_ENABLE	1448	#if EV_PERIODIC_ENABLE
1302	periodics_reschedule (EV_A);	1449	periodics_reschedule (EV_A);
1303	#endif	1450	#endif
1304
1305	/* adjust timers. this is easy, as the offset is the same for all */	1451	/* adjust timers. this is easy, as the offset is the same for all of them */
1306	for (i = 0; i < timercnt; ++i)	1452	for (i = 0; i < timercnt; ++i)
1307	((WT)timers [i])->at += ev_rt_now - mn_now;	1453	((WT)timers [i])->at += ev_rt_now - mn_now;
1308	}	1454	}
1309		1455
1310	mn_now = ev_rt_now;	1456	mn_now = ev_rt_now;
…		…
1330	{	1476	{
1331	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK)	1477	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK)
1332	? EVUNLOOP_ONE	1478	? EVUNLOOP_ONE
1333	: EVUNLOOP_CANCEL;	1479	: EVUNLOOP_CANCEL;
1334		1480
1335	while (activecnt)	1481	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */
		1482
		1483	do
1336	{	1484	{
1337	/* we might have forked, so reify kernel state if necessary */	1485	#ifndef _WIN32
		1486	if (expect_false (curpid)) /* penalise the forking check even more */
		1487	if (expect_false (getpid () != curpid))
		1488	{
		1489	curpid = getpid ();
		1490	postfork = 1;
		1491	}
		1492	#endif
		1493
1338	#if EV_FORK_ENABLE	1494	#if EV_FORK_ENABLE
		1495	/* we might have forked, so queue fork handlers */
1339	if (expect_false (postfork))	1496	if (expect_false (postfork))
1340	if (forkcnt)	1497	if (forkcnt)
1341	{	1498	{
1342	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	1499	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
1343	call_pending (EV_A);	1500	call_pending (EV_A);
1344	}	1501	}
1345	#endif	1502	#endif
1346		1503
1347	/* queue check watchers (and execute them) */	1504	/* queue prepare watchers (and execute them) */
1348	if (expect_false (preparecnt))	1505	if (expect_false (preparecnt))
1349	{	1506	{
1350	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1507	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
1351	call_pending (EV_A);	1508	call_pending (EV_A);
1352	}	1509	}
1353		1510
		1511	if (expect_false (!activecnt))
		1512	break;
		1513
1354	/* we might have forked, so reify kernel state if necessary */	1514	/* we might have forked, so reify kernel state if necessary */
1355	if (expect_false (postfork))	1515	if (expect_false (postfork))
1356	loop_fork (EV_A);	1516	loop_fork (EV_A);
1357		1517
1358	/* update fd-related kernel structures */	1518	/* update fd-related kernel structures */
1359	fd_reify (EV_A);	1519	fd_reify (EV_A);
1360		1520
1361	/* calculate blocking time */	1521	/* calculate blocking time */
1362	{	1522	{
1363	double block;	1523	ev_tstamp waittime = 0.;
		1524	ev_tstamp sleeptime = 0.;
1364		1525
1365	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1526	if (expect_true (!(flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt)))
1366	block = 0.; /* do not block at all */
1367	else
1368	{	1527	{
1369	/* update time to cancel out callback processing overhead */	1528	/* 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);	1529	time_update (EV_A_ 1e100);
1373	else
1374	#endif
1375	{
1376	ev_rt_now = ev_time ();
1377	mn_now = ev_rt_now;
1378	}
1379		1530
1380	block = MAX_BLOCKTIME;	1531	waittime = MAX_BLOCKTIME;
1381		1532
1382	if (timercnt)	1533	if (timercnt)
1383	{	1534	{
1384	ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;	1535	ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;
1385	if (block > to) block = to;	1536	if (waittime > to) waittime = to;
1386	}	1537	}
1387		1538
1388	#if EV_PERIODIC_ENABLE	1539	#if EV_PERIODIC_ENABLE
1389	if (periodiccnt)	1540	if (periodiccnt)
1390	{	1541	{
1391	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge;	1542	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge;
1392	if (block > to) block = to;	1543	if (waittime > to) waittime = to;
1393	}	1544	}
1394	#endif	1545	#endif
1395		1546
1396	if (expect_false (block < 0.)) block = 0.;	1547	if (expect_false (waittime < timeout_blocktime))
		1548	waittime = timeout_blocktime;
		1549
		1550	sleeptime = waittime - backend_fudge;
		1551
		1552	if (expect_true (sleeptime > io_blocktime))
		1553	sleeptime = io_blocktime;
		1554
		1555	if (sleeptime)
		1556	{
		1557	ev_sleep (sleeptime);
		1558	waittime -= sleeptime;
		1559	}
1397	}	1560	}
1398		1561
		1562	++loop_count;
1399	backend_poll (EV_A_ block);	1563	backend_poll (EV_A_ waittime);
		1564
		1565	/* update ev_rt_now, do magic */
		1566	time_update (EV_A_ waittime + sleeptime);
1400	}	1567	}
1401
1402	/* update ev_rt_now, do magic */
1403	time_update (EV_A);
1404		1568
1405	/* queue pending timers and reschedule them */	1569	/* queue pending timers and reschedule them */
1406	timers_reify (EV_A); /* relative timers called last */	1570	timers_reify (EV_A); /* relative timers called last */
1407	#if EV_PERIODIC_ENABLE	1571	#if EV_PERIODIC_ENABLE
1408	periodics_reify (EV_A); /* absolute timers called first */	1572	periodics_reify (EV_A); /* absolute timers called first */
1409	#endif	1573	#endif
1410		1574
		1575	#if EV_IDLE_ENABLE
1411	/* queue idle watchers unless other events are pending */	1576	/* queue idle watchers unless other events are pending */
1412	if (idlecnt && !any_pending (EV_A))	1577	idle_reify (EV_A);
1413	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1578	#endif
1414		1579
1415	/* queue check watchers, to be executed first */	1580	/* queue check watchers, to be executed first */
1416	if (expect_false (checkcnt))	1581	if (expect_false (checkcnt))
1417	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1582	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1418		1583
1419	call_pending (EV_A);	1584	call_pending (EV_A);
1420		1585
1421	if (expect_false (loop_done))
1422	break;
1423	}	1586	}
		1587	while (expect_true (activecnt && !loop_done));
1424		1588
1425	if (loop_done == EVUNLOOP_ONE)	1589	if (loop_done == EVUNLOOP_ONE)
1426	loop_done = EVUNLOOP_CANCEL;	1590	loop_done = EVUNLOOP_CANCEL;
1427	}	1591	}
1428		1592
…		…
1455	head = &(*head)->next;	1619	head = &(*head)->next;
1456	}	1620	}
1457	}	1621	}
1458		1622
1459	void inline_speed	1623	void inline_speed
1460	ev_clear_pending (EV_P_ W w)	1624	clear_pending (EV_P_ W w)
1461	{	1625	{
1462	if (w->pending)	1626	if (w->pending)
1463	{	1627	{
1464	pendings [ABSPRI (w)][w->pending - 1].w = 0;	1628	pendings [ABSPRI (w)][w->pending - 1].w = 0;
1465	w->pending = 0;	1629	w->pending = 0;
1466	}	1630	}
1467	}	1631	}
1468		1632
		1633	int
		1634	ev_clear_pending (EV_P_ void *w)
		1635	{
		1636	W w_ = (W)w;
		1637	int pending = w_->pending;
		1638
		1639	if (expect_true (pending))
		1640	{
		1641	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
		1642	w_->pending = 0;
		1643	p->w = 0;
		1644	return p->events;
		1645	}
		1646	else
		1647	return 0;
		1648	}
		1649
		1650	void inline_size
		1651	pri_adjust (EV_P_ W w)
		1652	{
		1653	int pri = w->priority;
		1654	pri = pri < EV_MINPRI ? EV_MINPRI : pri;
		1655	pri = pri > EV_MAXPRI ? EV_MAXPRI : pri;
		1656	w->priority = pri;
		1657	}
		1658
1469	void inline_speed	1659	void inline_speed
1470	ev_start (EV_P_ W w, int active)	1660	ev_start (EV_P_ W w, int active)
1471	{	1661	{
1472	if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;	1662	pri_adjust (EV_A_ w);
1473	if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
1474
1475	w->active = active;	1663	w->active = active;
1476	ev_ref (EV_A);	1664	ev_ref (EV_A);
1477	}	1665	}
1478		1666
1479	void inline_size	1667	void inline_size
…		…
1483	w->active = 0;	1671	w->active = 0;
1484	}	1672	}
1485		1673
1486	/*****************************************************************************/	1674	/*****************************************************************************/
1487		1675
1488	void	1676	void noinline
1489	ev_io_start (EV_P_ ev_io *w)	1677	ev_io_start (EV_P_ ev_io *w)
1490	{	1678	{
1491	int fd = w->fd;	1679	int fd = w->fd;
1492		1680
1493	if (expect_false (ev_is_active (w)))	1681	if (expect_false (ev_is_active (w)))
…		…
1495		1683
1496	assert (("ev_io_start called with negative fd", fd >= 0));	1684	assert (("ev_io_start called with negative fd", fd >= 0));
1497		1685
1498	ev_start (EV_A_ (W)w, 1);	1686	ev_start (EV_A_ (W)w, 1);
1499	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);	1687	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1500	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1688	wlist_add (&anfds[fd].head, (WL)w);
1501		1689
1502	fd_change (EV_A_ fd);	1690	fd_change (EV_A_ fd, w->events & EV_IOFDSET \| 1);
		1691	w->events &= ~EV_IOFDSET;
1503	}	1692	}
1504		1693
1505	void	1694	void noinline
1506	ev_io_stop (EV_P_ ev_io *w)	1695	ev_io_stop (EV_P_ ev_io *w)
1507	{	1696	{
1508	ev_clear_pending (EV_A_ (W)w);	1697	clear_pending (EV_A_ (W)w);
1509	if (expect_false (!ev_is_active (w)))	1698	if (expect_false (!ev_is_active (w)))
1510	return;	1699	return;
1511		1700
1512	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	1701	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1513		1702
1514	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1703	wlist_del (&anfds[w->fd].head, (WL)w);
1515	ev_stop (EV_A_ (W)w);	1704	ev_stop (EV_A_ (W)w);
1516		1705
1517	fd_change (EV_A_ w->fd);	1706	fd_change (EV_A_ w->fd, 1);
1518	}	1707	}
1519		1708
1520	void	1709	void noinline
1521	ev_timer_start (EV_P_ ev_timer *w)	1710	ev_timer_start (EV_P_ ev_timer *w)
1522	{	1711	{
1523	if (expect_false (ev_is_active (w)))	1712	if (expect_false (ev_is_active (w)))
1524	return;	1713	return;
1525		1714
1526	((WT)w)->at += mn_now;	1715	((WT)w)->at += mn_now;
1527		1716
1528	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1717	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1529		1718
1530	ev_start (EV_A_ (W)w, ++timercnt);	1719	ev_start (EV_A_ (W)w, ++timercnt);
1531	array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2);	1720	array_needsize (WT, timers, timermax, timercnt, EMPTY2);
1532	timers [timercnt - 1] = w;	1721	timers [timercnt - 1] = (WT)w;
1533	upheap ((WT *)timers, timercnt - 1);	1722	upheap (timers, timercnt - 1);
1534		1723
1535	/assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));/	1724	/assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));/
1536	}	1725	}
1537		1726
1538	void	1727	void noinline
1539	ev_timer_stop (EV_P_ ev_timer *w)	1728	ev_timer_stop (EV_P_ ev_timer *w)
1540	{	1729	{
1541	ev_clear_pending (EV_A_ (W)w);	1730	clear_pending (EV_A_ (W)w);
1542	if (expect_false (!ev_is_active (w)))	1731	if (expect_false (!ev_is_active (w)))
1543	return;	1732	return;
1544		1733
1545	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1734	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w));
1546		1735
1547	{	1736	{
1548	int active = ((W)w)->active;	1737	int active = ((W)w)->active;
1549		1738
1550	if (expect_true (--active < --timercnt))	1739	if (expect_true (--active < --timercnt))
1551	{	1740	{
1552	timers [active] = timers [timercnt];	1741	timers [active] = timers [timercnt];
1553	adjustheap ((WT *)timers, timercnt, active);	1742	adjustheap (timers, timercnt, active);
1554	}	1743	}
1555	}	1744	}
1556		1745
1557	((WT)w)->at -= mn_now;	1746	((WT)w)->at -= mn_now;
1558		1747
1559	ev_stop (EV_A_ (W)w);	1748	ev_stop (EV_A_ (W)w);
1560	}	1749	}
1561		1750
1562	void	1751	void noinline
1563	ev_timer_again (EV_P_ ev_timer *w)	1752	ev_timer_again (EV_P_ ev_timer *w)
1564	{	1753	{
1565	if (ev_is_active (w))	1754	if (ev_is_active (w))
1566	{	1755	{
1567	if (w->repeat)	1756	if (w->repeat)
1568	{	1757	{
1569	((WT)w)->at = mn_now + w->repeat;	1758	((WT)w)->at = mn_now + w->repeat;
1570	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1759	adjustheap (timers, timercnt, ((W)w)->active - 1);
1571	}	1760	}
1572	else	1761	else
1573	ev_timer_stop (EV_A_ w);	1762	ev_timer_stop (EV_A_ w);
1574	}	1763	}
1575	else if (w->repeat)	1764	else if (w->repeat)
…		…
1578	ev_timer_start (EV_A_ w);	1767	ev_timer_start (EV_A_ w);
1579	}	1768	}
1580	}	1769	}
1581		1770
1582	#if EV_PERIODIC_ENABLE	1771	#if EV_PERIODIC_ENABLE
1583	void	1772	void noinline
1584	ev_periodic_start (EV_P_ ev_periodic *w)	1773	ev_periodic_start (EV_P_ ev_periodic *w)
1585	{	1774	{
1586	if (expect_false (ev_is_active (w)))	1775	if (expect_false (ev_is_active (w)))
1587	return;	1776	return;
1588		1777
…		…
1590	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1779	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1591	else if (w->interval)	1780	else if (w->interval)
1592	{	1781	{
1593	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1782	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 */	1783	/* 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;	1784	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1596	}	1785	}
		1786	else
		1787	((WT)w)->at = w->offset;
1597		1788
1598	ev_start (EV_A_ (W)w, ++periodiccnt);	1789	ev_start (EV_A_ (W)w, ++periodiccnt);
1599	array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);	1790	array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2);
1600	periodics [periodiccnt - 1] = w;	1791	periodics [periodiccnt - 1] = (WT)w;
1601	upheap ((WT *)periodics, periodiccnt - 1);	1792	upheap (periodics, periodiccnt - 1);
1602		1793
1603	/assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));/	1794	/assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));/
1604	}	1795	}
1605		1796
1606	void	1797	void noinline
1607	ev_periodic_stop (EV_P_ ev_periodic *w)	1798	ev_periodic_stop (EV_P_ ev_periodic *w)
1608	{	1799	{
1609	ev_clear_pending (EV_A_ (W)w);	1800	clear_pending (EV_A_ (W)w);
1610	if (expect_false (!ev_is_active (w)))	1801	if (expect_false (!ev_is_active (w)))
1611	return;	1802	return;
1612		1803
1613	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1804	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w));
1614		1805
1615	{	1806	{
1616	int active = ((W)w)->active;	1807	int active = ((W)w)->active;
1617		1808
1618	if (expect_true (--active < --periodiccnt))	1809	if (expect_true (--active < --periodiccnt))
1619	{	1810	{
1620	periodics [active] = periodics [periodiccnt];	1811	periodics [active] = periodics [periodiccnt];
1621	adjustheap ((WT *)periodics, periodiccnt, active);	1812	adjustheap (periodics, periodiccnt, active);
1622	}	1813	}
1623	}	1814	}
1624		1815
1625	ev_stop (EV_A_ (W)w);	1816	ev_stop (EV_A_ (W)w);
1626	}	1817	}
1627		1818
1628	void	1819	void noinline
1629	ev_periodic_again (EV_P_ ev_periodic *w)	1820	ev_periodic_again (EV_P_ ev_periodic *w)
1630	{	1821	{
1631	/* TODO: use adjustheap and recalculation */	1822	/* TODO: use adjustheap and recalculation */
1632	ev_periodic_stop (EV_A_ w);	1823	ev_periodic_stop (EV_A_ w);
1633	ev_periodic_start (EV_A_ w);	1824	ev_periodic_start (EV_A_ w);
…		…
1636		1827
1637	#ifndef SA_RESTART	1828	#ifndef SA_RESTART
1638	# define SA_RESTART 0	1829	# define SA_RESTART 0
1639	#endif	1830	#endif
1640		1831
1641	void	1832	void noinline
1642	ev_signal_start (EV_P_ ev_signal *w)	1833	ev_signal_start (EV_P_ ev_signal *w)
1643	{	1834	{
1644	#if EV_MULTIPLICITY	1835	#if EV_MULTIPLICITY
1645	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));	1836	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1646	#endif	1837	#endif
1647	if (expect_false (ev_is_active (w)))	1838	if (expect_false (ev_is_active (w)))
1648	return;	1839	return;
1649		1840
1650	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1841	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1651		1842
		1843	{
		1844	#ifndef _WIN32
		1845	sigset_t full, prev;
		1846	sigfillset (&full);
		1847	sigprocmask (SIG_SETMASK, &full, &prev);
		1848	#endif
		1849
		1850	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
		1851
		1852	#ifndef _WIN32
		1853	sigprocmask (SIG_SETMASK, &prev, 0);
		1854	#endif
		1855	}
		1856
1652	ev_start (EV_A_ (W)w, 1);	1857	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);	1858	wlist_add (&signals [w->signum - 1].head, (WL)w);
1655		1859
1656	if (!((WL)w)->next)	1860	if (!((WL)w)->next)
1657	{	1861	{
1658	#if _WIN32	1862	#if _WIN32
1659	signal (w->signum, sighandler);	1863	signal (w->signum, sighandler);
…		…
1665	sigaction (w->signum, &sa, 0);	1869	sigaction (w->signum, &sa, 0);
1666	#endif	1870	#endif
1667	}	1871	}
1668	}	1872	}
1669		1873
1670	void	1874	void noinline
1671	ev_signal_stop (EV_P_ ev_signal *w)	1875	ev_signal_stop (EV_P_ ev_signal *w)
1672	{	1876	{
1673	ev_clear_pending (EV_A_ (W)w);	1877	clear_pending (EV_A_ (W)w);
1674	if (expect_false (!ev_is_active (w)))	1878	if (expect_false (!ev_is_active (w)))
1675	return;	1879	return;
1676		1880
1677	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1881	wlist_del (&signals [w->signum - 1].head, (WL)w);
1678	ev_stop (EV_A_ (W)w);	1882	ev_stop (EV_A_ (W)w);
1679		1883
1680	if (!signals [w->signum - 1].head)	1884	if (!signals [w->signum - 1].head)
1681	signal (w->signum, SIG_DFL);	1885	signal (w->signum, SIG_DFL);
1682	}	1886	}
…		…
1689	#endif	1893	#endif
1690	if (expect_false (ev_is_active (w)))	1894	if (expect_false (ev_is_active (w)))
1691	return;	1895	return;
1692		1896
1693	ev_start (EV_A_ (W)w, 1);	1897	ev_start (EV_A_ (W)w, 1);
1694	wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	1898	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1695	}	1899	}
1696		1900
1697	void	1901	void
1698	ev_child_stop (EV_P_ ev_child *w)	1902	ev_child_stop (EV_P_ ev_child *w)
1699	{	1903	{
1700	ev_clear_pending (EV_A_ (W)w);	1904	clear_pending (EV_A_ (W)w);
1701	if (expect_false (!ev_is_active (w)))	1905	if (expect_false (!ev_is_active (w)))
1702	return;	1906	return;
1703		1907
1704	wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	1908	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1705	ev_stop (EV_A_ (W)w);	1909	ev_stop (EV_A_ (W)w);
1706	}	1910	}
1707		1911
1708	#if EV_STAT_ENABLE	1912	#if EV_STAT_ENABLE
1709		1913
…		…
1713	# endif	1917	# endif
1714		1918
1715	#define DEF_STAT_INTERVAL 5.0074891	1919	#define DEF_STAT_INTERVAL 5.0074891
1716	#define MIN_STAT_INTERVAL 0.1074891	1920	#define MIN_STAT_INTERVAL 0.1074891
1717		1921
1718	void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	1922	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
1719		1923
1720	#if EV_USE_INOTIFY	1924	#if EV_USE_INOTIFY
1721	# define EV_INOTIFY_BUFSIZE ((PATH_MAX + sizeof (struct inotify_event)) + 2048)	1925	# define EV_INOTIFY_BUFSIZE 8192
1722		1926
1723	static void noinline	1927	static void noinline
1724	infy_add (EV_P_ ev_stat *w)	1928	infy_add (EV_P_ ev_stat *w)
1725	{	1929	{
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);	1930	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)	1932	if (w->wd < 0)
1729	{	1933	{
1730	ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */	1934	ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
1731		1935
1732	/* monitor some parent directory for speedup hints */	1936	/* monitor some parent directory for speedup hints */
1733	if (errno == ENOENT \|\| errno == EACCES)	1937	if ((errno == ENOENT \|\| errno == EACCES) && strlen (w->path) < 4096)
1734	{	1938	{
1735	char path [PATH_MAX];	1939	char path [4096];
1736	strcpy (path, w->path);	1940	strcpy (path, w->path);
1737		1941
1738	do	1942	do
1739	{	1943	{
1740	int mask = IN_MASK_ADD \| IN_DELETE_SELF \| IN_MOVE_SELF	1944	int mask = IN_MASK_ADD \| IN_DELETE_SELF \| IN_MOVE_SELF
…		…
1744		1948
1745	if (!pend)	1949	if (!pend)
1746	break; /* whoops, no '/', complain to your admin */	1950	break; /* whoops, no '/', complain to your admin */
1747		1951
1748	*pend = 0;	1952	*pend = 0;
1749	w->wd = inotify_add_watch (fs_fd, path, IN_DELETE_SELF \| IN_CREATE \| IN_MOVED_TO \| IN_MASK_ADD);	1953	w->wd = inotify_add_watch (fs_fd, path, mask);
1750	}	1954	}
1751	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));	1955	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));
1752	}	1956	}
1753	}	1957	}
1754	else	1958	else
…		…
1759	}	1963	}
1760		1964
1761	static void noinline	1965	static void noinline
1762	infy_del (EV_P_ ev_stat *w)	1966	infy_del (EV_P_ ev_stat *w)
1763	{	1967	{
1764	WL w_;
1765	int slot;	1968	int slot;
1766	int wd = w->wd;	1969	int wd = w->wd;
1767		1970
1768	if (wd < 0)	1971	if (wd < 0)
1769	return;	1972	return;
…		…
1798	{	2001	{
1799	w->wd = -1;	2002	w->wd = -1;
1800	infy_add (EV_A_ w); /* re-add, no matter what */	2003	infy_add (EV_A_ w); /* re-add, no matter what */
1801	}	2004	}
1802		2005
1803	stat_timer_cb (EV_P_ &w->timer, 0);	2006	stat_timer_cb (EV_A_ &w->timer, 0);
1804	}	2007	}
1805	}	2008	}
1806	}	2009	}
1807	}	2010	}
1808		2011
…		…
1832	ev_set_priority (&fs_w, EV_MAXPRI);	2035	ev_set_priority (&fs_w, EV_MAXPRI);
1833	ev_io_start (EV_A_ &fs_w);	2036	ev_io_start (EV_A_ &fs_w);
1834	}	2037	}
1835	}	2038	}
1836		2039
		2040	void inline_size
		2041	infy_fork (EV_P)
		2042	{
		2043	int slot;
		2044
		2045	if (fs_fd < 0)
		2046	return;
		2047
		2048	close (fs_fd);
		2049	fs_fd = inotify_init ();
		2050
		2051	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
		2052	{
		2053	WL w_ = fs_hash [slot].head;
		2054	fs_hash [slot].head = 0;
		2055
		2056	while (w_)
		2057	{
		2058	ev_stat w = (ev_stat )w_;
		2059	w_ = w_->next; /* lets us add this watcher */
		2060
		2061	w->wd = -1;
		2062
		2063	if (fs_fd >= 0)
		2064	infy_add (EV_A_ w); /* re-add, no matter what */
		2065	else
		2066	ev_timer_start (EV_A_ &w->timer);
		2067	}
		2068
		2069	}
		2070	}
		2071
1837	#endif	2072	#endif
1838		2073
1839	void	2074	void
1840	ev_stat_stat (EV_P_ ev_stat *w)	2075	ev_stat_stat (EV_P_ ev_stat *w)
1841	{	2076	{
…		…
1843	w->attr.st_nlink = 0;	2078	w->attr.st_nlink = 0;
1844	else if (!w->attr.st_nlink)	2079	else if (!w->attr.st_nlink)
1845	w->attr.st_nlink = 1;	2080	w->attr.st_nlink = 1;
1846	}	2081	}
1847		2082
1848	void noinline	2083	static void noinline
1849	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	2084	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
1850	{	2085	{
1851	ev_stat w = (ev_stat )(((char *)w_) - offsetof (ev_stat, timer));	2086	ev_stat w = (ev_stat )(((char *)w_) - offsetof (ev_stat, timer));
1852		2087
1853	/* we copy this here each the time so that */	2088	/* we copy this here each the time so that */
1854	/* prev has the old value when the callback gets invoked */	2089	/* prev has the old value when the callback gets invoked */
1855	w->prev = w->attr;	2090	w->prev = w->attr;
1856	ev_stat_stat (EV_A_ w);	2091	ev_stat_stat (EV_A_ w);
1857		2092
1858	if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata)))	2093	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */
		2094	if (
		2095	w->prev.st_dev != w->attr.st_dev
		2096	\|\| w->prev.st_ino != w->attr.st_ino
		2097	\|\| w->prev.st_mode != w->attr.st_mode
		2098	\|\| w->prev.st_nlink != w->attr.st_nlink
		2099	\|\| w->prev.st_uid != w->attr.st_uid
		2100	\|\| w->prev.st_gid != w->attr.st_gid
		2101	\|\| w->prev.st_rdev != w->attr.st_rdev
		2102	\|\| w->prev.st_size != w->attr.st_size
		2103	\|\| w->prev.st_atime != w->attr.st_atime
		2104	\|\| w->prev.st_mtime != w->attr.st_mtime
		2105	\|\| w->prev.st_ctime != w->attr.st_ctime
1859	{	2106	) {
1860	#if EV_USE_INOTIFY	2107	#if EV_USE_INOTIFY
1861	infy_del (EV_A_ w);	2108	infy_del (EV_A_ w);
1862	infy_add (EV_A_ w);	2109	infy_add (EV_A_ w);
1863	ev_stat_stat (EV_A_ w); /* avoid race... */	2110	ev_stat_stat (EV_A_ w); /* avoid race... */
1864	#endif	2111	#endif
…		…
1898	}	2145	}
1899		2146
1900	void	2147	void
1901	ev_stat_stop (EV_P_ ev_stat *w)	2148	ev_stat_stop (EV_P_ ev_stat *w)
1902	{	2149	{
1903	ev_clear_pending (EV_A_ (W)w);	2150	clear_pending (EV_A_ (W)w);
1904	if (expect_false (!ev_is_active (w)))	2151	if (expect_false (!ev_is_active (w)))
1905	return;	2152	return;
1906		2153
1907	#if EV_USE_INOTIFY	2154	#if EV_USE_INOTIFY
1908	infy_del (EV_A_ w);	2155	infy_del (EV_A_ w);
…		…
1911		2158
1912	ev_stop (EV_A_ (W)w);	2159	ev_stop (EV_A_ (W)w);
1913	}	2160	}
1914	#endif	2161	#endif
1915		2162
		2163	#if EV_IDLE_ENABLE
1916	void	2164	void
1917	ev_idle_start (EV_P_ ev_idle *w)	2165	ev_idle_start (EV_P_ ev_idle *w)
1918	{	2166	{
1919	if (expect_false (ev_is_active (w)))	2167	if (expect_false (ev_is_active (w)))
1920	return;	2168	return;
1921		2169
		2170	pri_adjust (EV_A_ (W)w);
		2171
		2172	{
		2173	int active = ++idlecnt [ABSPRI (w)];
		2174
		2175	++idleall;
1922	ev_start (EV_A_ (W)w, ++idlecnt);	2176	ev_start (EV_A_ (W)w, active);
		2177
1923	array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2);	2178	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);
1924	idles [idlecnt - 1] = w;	2179	idles [ABSPRI (w)][active - 1] = w;
		2180	}
1925	}	2181	}
1926		2182
1927	void	2183	void
1928	ev_idle_stop (EV_P_ ev_idle *w)	2184	ev_idle_stop (EV_P_ ev_idle *w)
1929	{	2185	{
1930	ev_clear_pending (EV_A_ (W)w);	2186	clear_pending (EV_A_ (W)w);
1931	if (expect_false (!ev_is_active (w)))	2187	if (expect_false (!ev_is_active (w)))
1932	return;	2188	return;
1933		2189
1934	{	2190	{
1935	int active = ((W)w)->active;	2191	int active = ((W)w)->active;
1936	idles [active - 1] = idles [--idlecnt];	2192
		2193	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
1937	((W)idles [active - 1])->active = active;	2194	((W)idles [ABSPRI (w)][active - 1])->active = active;
		2195
		2196	ev_stop (EV_A_ (W)w);
		2197	--idleall;
1938	}	2198	}
1939
1940	ev_stop (EV_A_ (W)w);
1941	}	2199	}
		2200	#endif
1942		2201
1943	void	2202	void
1944	ev_prepare_start (EV_P_ ev_prepare *w)	2203	ev_prepare_start (EV_P_ ev_prepare *w)
1945	{	2204	{
1946	if (expect_false (ev_is_active (w)))	2205	if (expect_false (ev_is_active (w)))
…		…
1952	}	2211	}
1953		2212
1954	void	2213	void
1955	ev_prepare_stop (EV_P_ ev_prepare *w)	2214	ev_prepare_stop (EV_P_ ev_prepare *w)
1956	{	2215	{
1957	ev_clear_pending (EV_A_ (W)w);	2216	clear_pending (EV_A_ (W)w);
1958	if (expect_false (!ev_is_active (w)))	2217	if (expect_false (!ev_is_active (w)))
1959	return;	2218	return;
1960		2219
1961	{	2220	{
1962	int active = ((W)w)->active;	2221	int active = ((W)w)->active;
…		…
1979	}	2238	}
1980		2239
1981	void	2240	void
1982	ev_check_stop (EV_P_ ev_check *w)	2241	ev_check_stop (EV_P_ ev_check *w)
1983	{	2242	{
1984	ev_clear_pending (EV_A_ (W)w);	2243	clear_pending (EV_A_ (W)w);
1985	if (expect_false (!ev_is_active (w)))	2244	if (expect_false (!ev_is_active (w)))
1986	return;	2245	return;
1987		2246
1988	{	2247	{
1989	int active = ((W)w)->active;	2248	int active = ((W)w)->active;
…		…
1996		2255
1997	#if EV_EMBED_ENABLE	2256	#if EV_EMBED_ENABLE
1998	void noinline	2257	void noinline
1999	ev_embed_sweep (EV_P_ ev_embed *w)	2258	ev_embed_sweep (EV_P_ ev_embed *w)
2000	{	2259	{
2001	ev_loop (w->loop, EVLOOP_NONBLOCK);	2260	ev_loop (w->other, EVLOOP_NONBLOCK);
2002	}	2261	}
2003		2262
2004	static void	2263	static void
2005	embed_cb (EV_P_ ev_io *io, int revents)	2264	embed_io_cb (EV_P_ ev_io *io, int revents)
2006	{	2265	{
2007	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));	2266	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));
2008		2267
2009	if (ev_cb (w))	2268	if (ev_cb (w))
2010	ev_feed_event (EV_A_ (W)w, EV_EMBED);	2269	ev_feed_event (EV_A_ (W)w, EV_EMBED);
2011	else	2270	else
2012	ev_embed_sweep (loop, w);	2271	ev_embed_sweep (loop, w);
2013	}	2272	}
2014		2273
		2274	static void
		2275	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
		2276	{
		2277	ev_embed w = (ev_embed )(((char *)prepare) - offsetof (ev_embed, prepare));
		2278
		2279	fd_reify (w->other);
		2280	}
		2281
2015	void	2282	void
2016	ev_embed_start (EV_P_ ev_embed *w)	2283	ev_embed_start (EV_P_ ev_embed *w)
2017	{	2284	{
2018	if (expect_false (ev_is_active (w)))	2285	if (expect_false (ev_is_active (w)))
2019	return;	2286	return;
2020		2287
2021	{	2288	{
2022	struct ev_loop *loop = w->loop;	2289	struct ev_loop *loop = w->other;
2023	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	2290	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2024	ev_io_init (&w->io, embed_cb, backend_fd, EV_READ);	2291	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2025	}	2292	}
2026		2293
2027	ev_set_priority (&w->io, ev_priority (w));	2294	ev_set_priority (&w->io, ev_priority (w));
2028	ev_io_start (EV_A_ &w->io);	2295	ev_io_start (EV_A_ &w->io);
2029		2296
		2297	ev_prepare_init (&w->prepare, embed_prepare_cb);
		2298	ev_set_priority (&w->prepare, EV_MINPRI);
		2299	ev_prepare_start (EV_A_ &w->prepare);
		2300
2030	ev_start (EV_A_ (W)w, 1);	2301	ev_start (EV_A_ (W)w, 1);
2031	}	2302	}
2032		2303
2033	void	2304	void
2034	ev_embed_stop (EV_P_ ev_embed *w)	2305	ev_embed_stop (EV_P_ ev_embed *w)
2035	{	2306	{
2036	ev_clear_pending (EV_A_ (W)w);	2307	clear_pending (EV_A_ (W)w);
2037	if (expect_false (!ev_is_active (w)))	2308	if (expect_false (!ev_is_active (w)))
2038	return;	2309	return;
2039		2310
2040	ev_io_stop (EV_A_ &w->io);	2311	ev_io_stop (EV_A_ &w->io);
		2312	ev_prepare_stop (EV_A_ &w->prepare);
2041		2313
2042	ev_stop (EV_A_ (W)w);	2314	ev_stop (EV_A_ (W)w);
2043	}	2315	}
2044	#endif	2316	#endif
2045		2317
…		…
2056	}	2328	}
2057		2329
2058	void	2330	void
2059	ev_fork_stop (EV_P_ ev_fork *w)	2331	ev_fork_stop (EV_P_ ev_fork *w)
2060	{	2332	{
2061	ev_clear_pending (EV_A_ (W)w);	2333	clear_pending (EV_A_ (W)w);
2062	if (expect_false (!ev_is_active (w)))	2334	if (expect_false (!ev_is_active (w)))
2063	return;	2335	return;
2064		2336
2065	{	2337	{
2066	int active = ((W)w)->active;	2338	int active = ((W)w)->active;
…		…
2134	ev_timer_set (&once->to, timeout, 0.);	2406	ev_timer_set (&once->to, timeout, 0.);
2135	ev_timer_start (EV_A_ &once->to);	2407	ev_timer_start (EV_A_ &once->to);
2136	}	2408	}
2137	}	2409	}
2138		2410
		2411	#if EV_MULTIPLICITY
		2412	#include "ev_wrap.h"
		2413	#endif
		2414
2139	#ifdef __cplusplus	2415	#ifdef __cplusplus
2140	}	2416	}
2141	#endif	2417	#endif
2142		2418

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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 1.194 by root, Sat Dec 22 07:03:31 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 1.194 by root, Sat Dec 22 07:03:31 2007 UTC