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Comparing libev/ev.c (file contents):
Revision 1.146 by root, Tue Nov 27 09:17:51 2007 UTC vs.
Revision 1.182 by root, Wed Dec 12 01:27:08 2007 UTC

…		…
94	# else	94	# else
95	# define EV_USE_PORT 0	95	# define EV_USE_PORT 0
96	# endif	96	# endif
97	# endif	97	# endif
98		98
		99	# ifndef EV_USE_INOTIFY
		100	# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H
		101	# define EV_USE_INOTIFY 1
		102	# else
		103	# define EV_USE_INOTIFY 0
		104	# endif
		105	# endif
		106
99	#endif	107	#endif
100		108
101	#include <math.h>	109	#include <math.h>
102	#include <stdlib.h>	110	#include <stdlib.h>
103	#include <fcntl.h>	111	#include <fcntl.h>
…		…
109	#include <errno.h>	117	#include <errno.h>
110	#include <sys/types.h>	118	#include <sys/types.h>
111	#include <time.h>	119	#include <time.h>
112		120
113	#include <signal.h>	121	#include <signal.h>
		122
		123	#ifdef EV_H
		124	# include EV_H
		125	#else
		126	# include "ev.h"
		127	#endif
114		128
115	#ifndef _WIN32	129	#ifndef _WIN32
116	# include <sys/time.h>	130	# include <sys/time.h>
117	# include <sys/wait.h>	131	# include <sys/wait.h>
118	# include <unistd.h>	132	# include <unistd.h>
…		…
156		170
157	#ifndef EV_USE_PORT	171	#ifndef EV_USE_PORT
158	# define EV_USE_PORT 0	172	# define EV_USE_PORT 0
159	#endif	173	#endif
160		174
		175	#ifndef EV_USE_INOTIFY
		176	# define EV_USE_INOTIFY 0
		177	#endif
		178
		179	#ifndef EV_PID_HASHSIZE
		180	# if EV_MINIMAL
		181	# define EV_PID_HASHSIZE 1
		182	# else
		183	# define EV_PID_HASHSIZE 16
		184	# endif
		185	#endif
		186
		187	#ifndef EV_INOTIFY_HASHSIZE
		188	# if EV_MINIMAL
		189	# define EV_INOTIFY_HASHSIZE 1
		190	# else
		191	# define EV_INOTIFY_HASHSIZE 16
		192	# endif
		193	#endif
		194
161	/**/	195	/**/
162		196
163	#ifndef CLOCK_MONOTONIC	197	#ifndef CLOCK_MONOTONIC
164	# undef EV_USE_MONOTONIC	198	# undef EV_USE_MONOTONIC
165	# define EV_USE_MONOTONIC 0	199	# define EV_USE_MONOTONIC 0
…		…
172		206
173	#if EV_SELECT_IS_WINSOCKET	207	#if EV_SELECT_IS_WINSOCKET
174	# include <winsock.h>	208	# include <winsock.h>
175	#endif	209	#endif
176		210
		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
177	/**/	219	/**/
		220
		221	/*
		222	* This is used to avoid floating point rounding problems.
		223	* It is added to ev_rt_now when scheduling periodics
		224	* to ensure progress, time-wise, even when rounding
		225	* errors are against us.
		226	* This value is good at least till the year 4000.
		227	* Better solutions welcome.
		228	*/
		229	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
178		230
179	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	231	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
180	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	232	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
181	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */
182	/*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */	233	/*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */
183
184	#ifdef EV_H
185	# include EV_H
186	#else
187	# include "ev.h"
188	#endif
189		234
190	#if __GNUC__ >= 3	235	#if __GNUC__ >= 3
191	# define expect(expr,value) __builtin_expect ((expr),(value))	236	# define expect(expr,value) __builtin_expect ((expr),(value))
192	# define inline_size static inline /* inline for codesize */
193	# if EV_MINIMAL
194	# define noinline __attribute__ ((noinline))	237	# define noinline __attribute__ ((noinline))
195	# define inline_speed static noinline
196	# else
197	# define noinline
198	# define inline_speed static inline
199	# endif
200	#else	238	#else
201	# define expect(expr,value) (expr)	239	# define expect(expr,value) (expr)
202	# define inline_speed static
203	# define inline_size static
204	# define noinline	240	# define noinline
		241	# if __STDC_VERSION__ < 199901L
		242	# define inline
		243	# endif
205	#endif	244	#endif
206		245
207	#define expect_false(expr) expect ((expr) != 0, 0)	246	#define expect_false(expr) expect ((expr) != 0, 0)
208	#define expect_true(expr) expect ((expr) != 0, 1)	247	#define expect_true(expr) expect ((expr) != 0, 1)
		248	#define inline_size static inline
		249
		250	#if EV_MINIMAL
		251	# define inline_speed static noinline
		252	#else
		253	# define inline_speed static inline
		254	#endif
209		255
210	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	256	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
211	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	257	#define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
212		258
213	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */	259	#define EMPTY /* required for microsofts broken pseudo-c compiler */
214	#define EMPTY2(a,b) /* used to suppress some warnings */	260	#define EMPTY2(a,b) /* used to suppress some warnings */
215		261
216	typedef ev_watcher *W;	262	typedef ev_watcher *W;
217	typedef ev_watcher_list *WL;	263	typedef ev_watcher_list *WL;
218	typedef ev_watcher_time *WT;	264	typedef ev_watcher_time *WT;
…		…
254	ev_set_allocator (void *(*cb)(void *ptr, long size))	300	ev_set_allocator (void *(*cb)(void *ptr, long size))
255	{	301	{
256	alloc = cb;	302	alloc = cb;
257	}	303	}
258		304
259	static void *	305	inline_speed void *
260	ev_realloc (void *ptr, long size)	306	ev_realloc (void *ptr, long size)
261	{	307	{
262	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);	308	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
263		309
264	if (!ptr && size)	310	if (!ptr && size)
…		…
288	typedef struct	334	typedef struct
289	{	335	{
290	W w;	336	W w;
291	int events;	337	int events;
292	} ANPENDING;	338	} ANPENDING;
		339
		340	#if EV_USE_INOTIFY
		341	typedef struct
		342	{
		343	WL head;
		344	} ANFS;
		345	#endif
293		346
294	#if EV_MULTIPLICITY	347	#if EV_MULTIPLICITY
295		348
296	struct ev_loop	349	struct ev_loop
297	{	350	{
…		…
354	{	407	{
355	return ev_rt_now;	408	return ev_rt_now;
356	}	409	}
357	#endif	410	#endif
358		411
359	#define array_roundsize(type,n) (((n) | 4) & ~3)	412	int inline_size
		413	array_nextsize (int elem, int cur, int cnt)
		414	{
		415	int ncur = cur + 1;
		416
		417	do
		418	ncur <<= 1;
		419	while (cnt > ncur);
		420
		421	/* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */
		422	if (elem * ncur > 4096)
		423	{
		424	ncur *= elem;
		425	ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095;
		426	ncur = ncur - sizeof (void *) * 4;
		427	ncur /= elem;
		428	}
		429
		430	return ncur;
		431	}
		432
		433	static noinline void *
		434	array_realloc (int elem, void *base, int *cur, int cnt)
		435	{
		436	*cur = array_nextsize (elem, *cur, cnt);
		437	return ev_realloc (base, elem * *cur);
		438	}
360		439
361	#define array_needsize(type,base,cur,cnt,init) \	440	#define array_needsize(type,base,cur,cnt,init) \
362	if (expect_false ((cnt) > cur)) \	441	if (expect_false ((cnt) > (cur))) \
363	{ \	442	{ \
364	int newcnt = cur; \	443	int ocur_ = (cur); \
365	do \	444	(base) = (type *)array_realloc \
366	{ \	445	(sizeof (type), (base), &(cur), (cnt)); \
367	newcnt = array_roundsize (type, newcnt << 1); \	446	init ((base) + (ocur_), (cur) - ocur_); \
368	} \
369	while ((cnt) > newcnt); \
370	\
371	base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\
372	init (base + cur, newcnt - cur); \
373	cur = newcnt; \
374	}	447	}
375		448
		449	#if 0
376	#define array_slim(type,stem) \	450	#define array_slim(type,stem) \
377	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	451	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
378	{ \	452	{ \
379	stem ## max = array_roundsize (stem ## cnt >> 1); \	453	stem ## max = array_roundsize (stem ## cnt >> 1); \
380	base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\	454	base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\
381	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\	455	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\
382	}	456	}
		457	#endif
383		458
384	#define array_free(stem, idx) \	459	#define array_free(stem, idx) \
385	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;	460	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
386		461
387	/*****************************************************************************/	462	/*****************************************************************************/
388		463
389	void noinline	464	void noinline
390	ev_feed_event (EV_P_ void *w, int revents)	465	ev_feed_event (EV_P_ void *w, int revents)
391	{	466	{
392	W w_ = (W)w;	467	W w_ = (W)w;
		468	int pri = ABSPRI (w_);
393		469
394	if (expect_false (w_->pending))	470	if (expect_false (w_->pending))
		471	pendings [pri][w_->pending - 1].events |= revents;
		472	else
395	{	473	{
		474	w_->pending = ++pendingcnt [pri];
		475	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
		476	pendings [pri][w_->pending - 1].w = w_;
396	pendings [ABSPRI (w_)][w_->pending - 1].events |= revents;	477	pendings [pri][w_->pending - 1].events = revents;
397	return;
398	}	478	}
399
400	w_->pending = ++pendingcnt [ABSPRI (w_)];
401	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
402	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
403	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
404	}	479	}
405		480
406	void inline_size	481	void inline_speed
407	queue_events (EV_P_ W *events, int eventcnt, int type)	482	queue_events (EV_P_ W *events, int eventcnt, int type)
408	{	483	{
409	int i;	484	int i;
410		485
411	for (i = 0; i < eventcnt; ++i)	486	for (i = 0; i < eventcnt; ++i)
…		…
443	}	518	}
444		519
445	void	520	void
446	ev_feed_fd_event (EV_P_ int fd, int revents)	521	ev_feed_fd_event (EV_P_ int fd, int revents)
447	{	522	{
		523	if (fd >= 0 && fd < anfdmax)
448	fd_event (EV_A_ fd, revents);	524	fd_event (EV_A_ fd, revents);
449	}	525	}
450		526
451	void inline_size	527	void inline_size
452	fd_reify (EV_P)	528	fd_reify (EV_P)
453	{	529	{
…		…
547	static void noinline	623	static void noinline
548	fd_rearm_all (EV_P)	624	fd_rearm_all (EV_P)
549	{	625	{
550	int fd;	626	int fd;
551		627
552	/* this should be highly optimised to not do anything but set a flag */
553	for (fd = 0; fd < anfdmax; ++fd)	628	for (fd = 0; fd < anfdmax; ++fd)
554	if (anfds [fd].events)	629	if (anfds [fd].events)
555	{	630	{
556	anfds [fd].events = 0;	631	anfds [fd].events = 0;
557	fd_change (EV_A_ fd);	632	fd_change (EV_A_ fd);
…		…
563	void inline_speed	638	void inline_speed
564	upheap (WT *heap, int k)	639	upheap (WT *heap, int k)
565	{	640	{
566	WT w = heap [k];	641	WT w = heap [k];
567		642
568	while (k && heap [k >> 1]->at > w->at)	643	while (k)
569	{	644	{
		645	int p = (k - 1) >> 1;
		646
		647	if (heap [p]->at <= w->at)
		648	break;
		649
570	heap [k] = heap [k >> 1];	650	heap [k] = heap [p];
571	((W)heap [k])->active = k + 1;	651	((W)heap [k])->active = k + 1;
572	k >>= 1;	652	k = p;
573	}	653	}
574		654
575	heap [k] = w;	655	heap [k] = w;
576	((W)heap [k])->active = k + 1;	656	((W)heap [k])->active = k + 1;
577
578	}	657	}
579		658
580	void inline_speed	659	void inline_speed
581	downheap (WT *heap, int N, int k)	660	downheap (WT *heap, int N, int k)
582	{	661	{
583	WT w = heap [k];	662	WT w = heap [k];
584		663
585	while (k < (N >> 1))	664	for (;;)
586	{	665	{
587	int j = k << 1;	666	int c = (k << 1) + 1;
588		667
589	if (j + 1 < N && heap [j]->at > heap [j + 1]->at)	668	if (c >= N)
590	++j;
591
592	if (w->at <= heap [j]->at)
593	break;	669	break;
594		670
		671	c += c + 1 < N && heap [c]->at > heap [c + 1]->at
		672	? 1 : 0;
		673
		674	if (w->at <= heap [c]->at)
		675	break;
		676
595	heap [k] = heap [j];	677	heap [k] = heap [c];
596	((W)heap [k])->active = k + 1;	678	((W)heap [k])->active = k + 1;
		679
597	k = j;	680	k = c;
598	}	681	}
599		682
600	heap [k] = w;	683	heap [k] = w;
601	((W)heap [k])->active = k + 1;	684	((W)heap [k])->active = k + 1;
602	}	685	}
…		…
684	for (signum = signalmax; signum--; )	767	for (signum = signalmax; signum--; )
685	if (signals [signum].gotsig)	768	if (signals [signum].gotsig)
686	ev_feed_signal_event (EV_A_ signum + 1);	769	ev_feed_signal_event (EV_A_ signum + 1);
687	}	770	}
688		771
689	void inline_size	772	void inline_speed
690	fd_intern (int fd)	773	fd_intern (int fd)
691	{	774	{
692	#ifdef _WIN32	775	#ifdef _WIN32
693	int arg = 1;	776	int arg = 1;
694	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	777	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
…		…
709	ev_unref (EV_A); /* child watcher should not keep loop alive */	792	ev_unref (EV_A); /* child watcher should not keep loop alive */
710	}	793	}
711		794
712	/*****************************************************************************/	795	/*****************************************************************************/
713		796
714	static ev_child *childs [PID_HASHSIZE];	797	static WL childs [EV_PID_HASHSIZE];
715		798
716	#ifndef _WIN32	799	#ifndef _WIN32
717		800
718	static ev_signal childev;	801	static ev_signal childev;
719		802
720	void inline_speed	803	void inline_speed
721	child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status)	804	child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status)
722	{	805	{
723	ev_child *w;	806	ev_child *w;
724		807
725	for (w = (ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)	808	for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)
726	if (w->pid == pid || !w->pid)	809	if (w->pid == pid || !w->pid)
727	{	810	{
728	ev_priority (w) = ev_priority (sw); /* need to do it *now* */	811	ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */
729	w->rpid = pid;	812	w->rpid = pid;
730	w->rstatus = status;	813	w->rstatus = status;
731	ev_feed_event (EV_A_ (W)w, EV_CHILD);	814	ev_feed_event (EV_A_ (W)w, EV_CHILD);
732	}	815	}
733	}	816	}
734		817
735	#ifndef WCONTINUED	818	#ifndef WCONTINUED
…		…
751	/* make sure we are called again until all childs have been reaped */	834	/* make sure we are called again until all childs have been reaped */
752	/* we need to do it this way so that the callback gets called before we continue */	835	/* we need to do it this way so that the callback gets called before we continue */
753	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);	836	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
754		837
755	child_reap (EV_A_ sw, pid, pid, status);	838	child_reap (EV_A_ sw, pid, pid, status);
		839	if (EV_PID_HASHSIZE > 1)
756	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */	840	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
757	}	841	}
758		842
759	#endif	843	#endif
760		844
761	/*****************************************************************************/	845	/*****************************************************************************/
…		…
844	ev_backend (EV_P)	928	ev_backend (EV_P)
845	{	929	{
846	return backend;	930	return backend;
847	}	931	}
848		932
849	static void	933	unsigned int
		934	ev_loop_count (EV_P)
		935	{
		936	return loop_count;
		937	}
		938
		939	static void noinline
850	loop_init (EV_P_ unsigned int flags)	940	loop_init (EV_P_ unsigned int flags)
851	{	941	{
852	if (!backend)	942	if (!backend)
853	{	943	{
854	#if EV_USE_MONOTONIC	944	#if EV_USE_MONOTONIC
…		…
862	ev_rt_now = ev_time ();	952	ev_rt_now = ev_time ();
863	mn_now = get_clock ();	953	mn_now = get_clock ();
864	now_floor = mn_now;	954	now_floor = mn_now;
865	rtmn_diff = ev_rt_now - mn_now;	955	rtmn_diff = ev_rt_now - mn_now;
866		956
		957	/* pid check not overridable via env */
		958	#ifndef _WIN32
		959	if (flags & EVFLAG_FORKCHECK)
		960	curpid = getpid ();
		961	#endif
		962
867	if (!(flags & EVFLAG_NOENV)	963	if (!(flags & EVFLAG_NOENV)
868	&& !enable_secure ()	964	&& !enable_secure ()
869	&& getenv ("LIBEV_FLAGS"))	965	&& getenv ("LIBEV_FLAGS"))
870	flags = atoi (getenv ("LIBEV_FLAGS"));	966	flags = atoi (getenv ("LIBEV_FLAGS"));
871		967
872	if (!(flags & 0x0000ffffUL))	968	if (!(flags & 0x0000ffffUL))
873	flags |= ev_recommended_backends ();	969	flags |= ev_recommended_backends ();
874		970
875	backend = 0;	971	backend = 0;
		972	backend_fd = -1;
		973	#if EV_USE_INOTIFY
		974	fs_fd = -2;
		975	#endif
		976
876	#if EV_USE_PORT	977	#if EV_USE_PORT
877	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	978	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
878	#endif	979	#endif
879	#if EV_USE_KQUEUE	980	#if EV_USE_KQUEUE
880	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	981	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
…		…
892	ev_init (&sigev, sigcb);	993	ev_init (&sigev, sigcb);
893	ev_set_priority (&sigev, EV_MAXPRI);	994	ev_set_priority (&sigev, EV_MAXPRI);
894	}	995	}
895	}	996	}
896		997
897	static void	998	static void noinline
898	loop_destroy (EV_P)	999	loop_destroy (EV_P)
899	{	1000	{
900	int i;	1001	int i;
		1002
		1003	#if EV_USE_INOTIFY
		1004	if (fs_fd >= 0)
		1005	close (fs_fd);
		1006	#endif
		1007
		1008	if (backend_fd >= 0)
		1009	close (backend_fd);
901		1010
902	#if EV_USE_PORT	1011	#if EV_USE_PORT
903	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	1012	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
904	#endif	1013	#endif
905	#if EV_USE_KQUEUE	1014	#if EV_USE_KQUEUE
…		…
914	#if EV_USE_SELECT	1023	#if EV_USE_SELECT
915	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	1024	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);
916	#endif	1025	#endif
917		1026
918	for (i = NUMPRI; i--; )	1027	for (i = NUMPRI; i--; )
		1028	{
919	array_free (pending, [i]);	1029	array_free (pending, [i]);
		1030	#if EV_IDLE_ENABLE
		1031	array_free (idle, [i]);
		1032	#endif
		1033	}
920		1034
921	/* have to use the microsoft-never-gets-it-right macro */	1035	/* have to use the microsoft-never-gets-it-right macro */
922	array_free (fdchange, EMPTY0);	1036	array_free (fdchange, EMPTY);
923	array_free (timer, EMPTY0);	1037	array_free (timer, EMPTY);
924	#if EV_PERIODIC_ENABLE	1038	#if EV_PERIODIC_ENABLE
925	array_free (periodic, EMPTY0);	1039	array_free (periodic, EMPTY);
926	#endif	1040	#endif
927	array_free (idle, EMPTY0);
928	array_free (prepare, EMPTY0);	1041	array_free (prepare, EMPTY);
929	array_free (check, EMPTY0);	1042	array_free (check, EMPTY);
930		1043
931	backend = 0;	1044	backend = 0;
932	}	1045	}
933		1046
934	static void	1047	void inline_size infy_fork (EV_P);
		1048
		1049	void inline_size
935	loop_fork (EV_P)	1050	loop_fork (EV_P)
936	{	1051	{
937	#if EV_USE_PORT	1052	#if EV_USE_PORT
938	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	1053	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
939	#endif	1054	#endif
940	#if EV_USE_KQUEUE	1055	#if EV_USE_KQUEUE
941	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	1056	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);
942	#endif	1057	#endif
943	#if EV_USE_EPOLL	1058	#if EV_USE_EPOLL
944	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	1059	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
		1060	#endif
		1061	#if EV_USE_INOTIFY
		1062	infy_fork (EV_A);
945	#endif	1063	#endif
946		1064
947	if (ev_is_active (&sigev))	1065	if (ev_is_active (&sigev))
948	{	1066	{
949	/* default loop */	1067	/* default loop */
…		…
1065	postfork = 1;	1183	postfork = 1;
1066	}	1184	}
1067		1185
1068	/*****************************************************************************/	1186	/*****************************************************************************/
1069		1187
1070	int inline_size	1188	void
1071	any_pending (EV_P)	1189	ev_invoke (EV_P_ void *w, int revents)
1072	{	1190	{
1073	int pri;	1191	EV_CB_INVOKE ((W)w, revents);
1074
1075	for (pri = NUMPRI; pri--; )
1076	if (pendingcnt [pri])
1077	return 1;
1078
1079	return 0;
1080	}	1192	}
1081		1193
1082	void inline_speed	1194	void inline_speed
1083	call_pending (EV_P)	1195	call_pending (EV_P)
1084	{	1196	{
…		…
1089	{	1201	{
1090	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1202	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
1091		1203
1092	if (expect_true (p->w))	1204	if (expect_true (p->w))
1093	{	1205	{
1094	assert (("non-pending watcher on pending list", p->w->pending));	1206	/*assert (("non-pending watcher on pending list", p->w->pending));*/
1095		1207
1096	p->w->pending = 0;	1208	p->w->pending = 0;
1097	EV_CB_INVOKE (p->w, p->events);	1209	EV_CB_INVOKE (p->w, p->events);
1098	}	1210	}
1099	}	1211	}
…		…
1102	void inline_size	1214	void inline_size
1103	timers_reify (EV_P)	1215	timers_reify (EV_P)
1104	{	1216	{
1105	while (timercnt && ((WT)timers [0])->at <= mn_now)	1217	while (timercnt && ((WT)timers [0])->at <= mn_now)
1106	{	1218	{
1107	ev_timer *w = timers [0];	1219	ev_timer *w = (ev_timer *)timers [0];
1108		1220
1109	assert (("inactive timer on timer heap detected", ev_is_active (w)));	1221	/*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/
1110		1222
1111	/* first reschedule or stop timer */	1223	/* first reschedule or stop timer */
1112	if (w->repeat)	1224	if (w->repeat)
1113	{	1225	{
1114	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1226	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1115		1227
1116	((WT)w)->at += w->repeat;	1228	((WT)w)->at += w->repeat;
1117	if (((WT)w)->at < mn_now)	1229	if (((WT)w)->at < mn_now)
1118	((WT)w)->at = mn_now;	1230	((WT)w)->at = mn_now;
1119		1231
1120	downheap ((WT *)timers, timercnt, 0);	1232	downheap (timers, timercnt, 0);
1121	}	1233	}
1122	else	1234	else
1123	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1235	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1124		1236
1125	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1237	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
…		…
1130	void inline_size	1242	void inline_size
1131	periodics_reify (EV_P)	1243	periodics_reify (EV_P)
1132	{	1244	{
1133	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)	1245	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1134	{	1246	{
1135	ev_periodic *w = periodics [0];	1247	ev_periodic *w = (ev_periodic *)periodics [0];
1136		1248
1137	assert (("inactive timer on periodic heap detected", ev_is_active (w)));	1249	/*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/
1138		1250
1139	/* first reschedule or stop timer */	1251	/* first reschedule or stop timer */
1140	if (w->reschedule_cb)	1252	if (w->reschedule_cb)
1141	{	1253	{
1142	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);	1254	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON);
1143	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));	1255	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1144	downheap ((WT *)periodics, periodiccnt, 0);	1256	downheap (periodics, periodiccnt, 0);
1145	}	1257	}
1146	else if (w->interval)	1258	else if (w->interval)
1147	{	1259	{
1148	((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;	1260	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
		1261	if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval;
1149	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));	1262	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
1150	downheap ((WT *)periodics, periodiccnt, 0);	1263	downheap (periodics, periodiccnt, 0);
1151	}	1264	}
1152	else	1265	else
1153	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1266	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1154		1267
1155	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);	1268	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
…		…
1162	int i;	1275	int i;
1163		1276
1164	/* adjust periodics after time jump */	1277	/* adjust periodics after time jump */
1165	for (i = 0; i < periodiccnt; ++i)	1278	for (i = 0; i < periodiccnt; ++i)
1166	{	1279	{
1167	ev_periodic *w = periodics [i];	1280	ev_periodic *w = (ev_periodic *)periodics [i];
1168		1281
1169	if (w->reschedule_cb)	1282	if (w->reschedule_cb)
1170	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1283	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1171	else if (w->interval)	1284	else if (w->interval)
1172	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;	1285	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1173	}	1286	}
1174		1287
1175	/* now rebuild the heap */	1288	/* now rebuild the heap */
1176	for (i = periodiccnt >> 1; i--; )	1289	for (i = periodiccnt >> 1; i--; )
1177	downheap ((WT *)periodics, periodiccnt, i);	1290	downheap (periodics, periodiccnt, i);
1178	}	1291	}
1179	#endif	1292	#endif
1180		1293
		1294	#if EV_IDLE_ENABLE
1181	int inline_size	1295	void inline_size
1182	time_update_monotonic (EV_P)	1296	idle_reify (EV_P)
1183	{	1297	{
		1298	if (expect_false (idleall))
		1299	{
		1300	int pri;
		1301
		1302	for (pri = NUMPRI; pri--; )
		1303	{
		1304	if (pendingcnt [pri])
		1305	break;
		1306
		1307	if (idlecnt [pri])
		1308	{
		1309	queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE);
		1310	break;
		1311	}
		1312	}
		1313	}
		1314	}
		1315	#endif
		1316
		1317	void inline_speed
		1318	time_update (EV_P_ ev_tstamp max_block)
		1319	{
		1320	int i;
		1321
		1322	#if EV_USE_MONOTONIC
		1323	if (expect_true (have_monotonic))
		1324	{
		1325	ev_tstamp odiff = rtmn_diff;
		1326
1184	mn_now = get_clock ();	1327	mn_now = get_clock ();
1185		1328
		1329	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
		1330	/* interpolate in the meantime */
1186	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1331	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
1187	{	1332	{
1188	ev_rt_now = rtmn_diff + mn_now;	1333	ev_rt_now = rtmn_diff + mn_now;
1189	return 0;	1334	return;
1190	}	1335	}
1191	else	1336
1192	{
1193	now_floor = mn_now;	1337	now_floor = mn_now;
1194	ev_rt_now = ev_time ();	1338	ev_rt_now = ev_time ();
1195	return 1;
1196	}
1197	}
1198		1339
1199	void inline_size	1340	/* loop a few times, before making important decisions.
1200	time_update (EV_P)	1341	* on the choice of "4": one iteration isn't enough,
1201	{	1342	* in case we get preempted during the calls to
1202	int i;	1343	* ev_time and get_clock. a second call is almost guaranteed
1203		1344	* to succeed in that case, though. and looping a few more times
1204	#if EV_USE_MONOTONIC	1345	* doesn't hurt either as we only do this on time-jumps or
1205	if (expect_true (have_monotonic))	1346	* in the unlikely event of having been preempted here.
1206	{	1347	*/
1207	if (time_update_monotonic (EV_A))	1348	for (i = 4; --i; )
1208	{	1349	{
1209	ev_tstamp odiff = rtmn_diff;
1210
1211	/* loop a few times, before making important decisions.
1212	* on the choice of "4": one iteration isn't enough,
1213	* in case we get preempted during the calls to
1214	* ev_time and get_clock. a second call is almost guarenteed
1215	* to succeed in that case, though. and looping a few more times
1216	* doesn't hurt either as we only do this on time-jumps or
1217	* in the unlikely event of getting preempted here.
1218	*/
1219	for (i = 4; --i; )
1220	{
1221	rtmn_diff = ev_rt_now - mn_now;	1350	rtmn_diff = ev_rt_now - mn_now;
1222		1351
1223	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1352	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
1224	return; /* all is well */	1353	return; /* all is well */
1225		1354
1226	ev_rt_now = ev_time ();	1355	ev_rt_now = ev_time ();
1227	mn_now = get_clock ();	1356	mn_now = get_clock ();
1228	now_floor = mn_now;	1357	now_floor = mn_now;
1229	}	1358	}
1230		1359
1231	# if EV_PERIODIC_ENABLE	1360	# if EV_PERIODIC_ENABLE
1232	periodics_reschedule (EV_A);	1361	periodics_reschedule (EV_A);
1233	# endif	1362	# endif
1234	/* no timer adjustment, as the monotonic clock doesn't jump */	1363	/* no timer adjustment, as the monotonic clock doesn't jump */
1235	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */	1364	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1236	}
1237	}	1365	}
1238	else	1366	else
1239	#endif	1367	#endif
1240	{	1368	{
1241	ev_rt_now = ev_time ();	1369	ev_rt_now = ev_time ();
1242		1370
1243	if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1371	if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))
1244	{	1372	{
1245	#if EV_PERIODIC_ENABLE	1373	#if EV_PERIODIC_ENABLE
1246	periodics_reschedule (EV_A);	1374	periodics_reschedule (EV_A);
1247	#endif	1375	#endif
1248
1249	/* adjust timers. this is easy, as the offset is the same for all */	1376	/* adjust timers. this is easy, as the offset is the same for all of them */
1250	for (i = 0; i < timercnt; ++i)	1377	for (i = 0; i < timercnt; ++i)
1251	((WT)timers [i])->at += ev_rt_now - mn_now;	1378	((WT)timers [i])->at += ev_rt_now - mn_now;
1252	}	1379	}
1253		1380
1254	mn_now = ev_rt_now;	1381	mn_now = ev_rt_now;
…		…
1274	{	1401	{
1275	loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)	1402	loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)
1276	? EVUNLOOP_ONE	1403	? EVUNLOOP_ONE
1277	: EVUNLOOP_CANCEL;	1404	: EVUNLOOP_CANCEL;
1278		1405
1279	while (activecnt)	1406	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */
		1407
		1408	do
1280	{	1409	{
		1410	#ifndef _WIN32
		1411	if (expect_false (curpid)) /* penalise the forking check even more */
		1412	if (expect_false (getpid () != curpid))
		1413	{
		1414	curpid = getpid ();
		1415	postfork = 1;
		1416	}
		1417	#endif
		1418
		1419	#if EV_FORK_ENABLE
		1420	/* we might have forked, so queue fork handlers */
		1421	if (expect_false (postfork))
		1422	if (forkcnt)
		1423	{
		1424	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
		1425	call_pending (EV_A);
		1426	}
		1427	#endif
		1428
1281	/* queue check watchers (and execute them) */	1429	/* queue prepare watchers (and execute them) */
1282	if (expect_false (preparecnt))	1430	if (expect_false (preparecnt))
1283	{	1431	{
1284	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1432	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
1285	call_pending (EV_A);	1433	call_pending (EV_A);
1286	}	1434	}
1287		1435
		1436	if (expect_false (!activecnt))
		1437	break;
		1438
1288	/* we might have forked, so reify kernel state if necessary */	1439	/* we might have forked, so reify kernel state if necessary */
1289	if (expect_false (postfork))	1440	if (expect_false (postfork))
1290	loop_fork (EV_A);	1441	loop_fork (EV_A);
1291		1442
1292	/* update fd-related kernel structures */	1443	/* update fd-related kernel structures */
1293	fd_reify (EV_A);	1444	fd_reify (EV_A);
1294		1445
1295	/* calculate blocking time */	1446	/* calculate blocking time */
1296	{	1447	{
1297	double block;	1448	ev_tstamp block;
1298		1449
1299	if (flags & EVLOOP_NONBLOCK || idlecnt)	1450	if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt))
1300	block = 0.; /* do not block at all */	1451	block = 0.; /* do not block at all */
1301	else	1452	else
1302	{	1453	{
1303	/* update time to cancel out callback processing overhead */	1454	/* update time to cancel out callback processing overhead */
1304	#if EV_USE_MONOTONIC
1305	if (expect_true (have_monotonic))
1306	time_update_monotonic (EV_A);	1455	time_update (EV_A_ 1e100);
1307	else
1308	#endif
1309	{
1310	ev_rt_now = ev_time ();
1311	mn_now = ev_rt_now;
1312	}
1313		1456
1314	block = MAX_BLOCKTIME;	1457	block = MAX_BLOCKTIME;
1315		1458
1316	if (timercnt)	1459	if (timercnt)
1317	{	1460	{
…		…
1328	#endif	1471	#endif
1329		1472
1330	if (expect_false (block < 0.)) block = 0.;	1473	if (expect_false (block < 0.)) block = 0.;
1331	}	1474	}
1332		1475
		1476	++loop_count;
1333	backend_poll (EV_A_ block);	1477	backend_poll (EV_A_ block);
		1478
		1479	/* update ev_rt_now, do magic */
		1480	time_update (EV_A_ block);
1334	}	1481	}
1335
1336	/* update ev_rt_now, do magic */
1337	time_update (EV_A);
1338		1482
1339	/* queue pending timers and reschedule them */	1483	/* queue pending timers and reschedule them */
1340	timers_reify (EV_A); /* relative timers called last */	1484	timers_reify (EV_A); /* relative timers called last */
1341	#if EV_PERIODIC_ENABLE	1485	#if EV_PERIODIC_ENABLE
1342	periodics_reify (EV_A); /* absolute timers called first */	1486	periodics_reify (EV_A); /* absolute timers called first */
1343	#endif	1487	#endif
1344		1488
		1489	#if EV_IDLE_ENABLE
1345	/* queue idle watchers unless other events are pending */	1490	/* queue idle watchers unless other events are pending */
1346	if (idlecnt && !any_pending (EV_A))	1491	idle_reify (EV_A);
1347	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1492	#endif
1348		1493
1349	/* queue check watchers, to be executed first */	1494	/* queue check watchers, to be executed first */
1350	if (expect_false (checkcnt))	1495	if (expect_false (checkcnt))
1351	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1496	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1352		1497
1353	call_pending (EV_A);	1498	call_pending (EV_A);
1354		1499
1355	if (expect_false (loop_done))
1356	break;
1357	}	1500	}
		1501	while (expect_true (activecnt && !loop_done));
1358		1502
1359	if (loop_done == EVUNLOOP_ONE)	1503	if (loop_done == EVUNLOOP_ONE)
1360	loop_done = EVUNLOOP_CANCEL;	1504	loop_done = EVUNLOOP_CANCEL;
1361	}	1505	}
1362		1506
…		…
1389	head = &(*head)->next;	1533	head = &(*head)->next;
1390	}	1534	}
1391	}	1535	}
1392		1536
1393	void inline_speed	1537	void inline_speed
1394	ev_clear_pending (EV_P_ W w)	1538	clear_pending (EV_P_ W w)
1395	{	1539	{
1396	if (w->pending)	1540	if (w->pending)
1397	{	1541	{
1398	pendings [ABSPRI (w)][w->pending - 1].w = 0;	1542	pendings [ABSPRI (w)][w->pending - 1].w = 0;
1399	w->pending = 0;	1543	w->pending = 0;
1400	}	1544	}
1401	}	1545	}
1402		1546
		1547	int
		1548	ev_clear_pending (EV_P_ void *w)
		1549	{
		1550	W w_ = (W)w;
		1551	int pending = w_->pending;
		1552
		1553	if (expect_true (pending))
		1554	{
		1555	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
		1556	w_->pending = 0;
		1557	p->w = 0;
		1558	return p->events;
		1559	}
		1560	else
		1561	return 0;
		1562	}
		1563
		1564	void inline_size
		1565	pri_adjust (EV_P_ W w)
		1566	{
		1567	int pri = w->priority;
		1568	pri = pri < EV_MINPRI ? EV_MINPRI : pri;
		1569	pri = pri > EV_MAXPRI ? EV_MAXPRI : pri;
		1570	w->priority = pri;
		1571	}
		1572
1403	void inline_speed	1573	void inline_speed
1404	ev_start (EV_P_ W w, int active)	1574	ev_start (EV_P_ W w, int active)
1405	{	1575	{
1406	if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;	1576	pri_adjust (EV_A_ w);
1407	if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
1408
1409	w->active = active;	1577	w->active = active;
1410	ev_ref (EV_A);	1578	ev_ref (EV_A);
1411	}	1579	}
1412		1580
1413	void inline_size	1581	void inline_size
…		…
1417	w->active = 0;	1585	w->active = 0;
1418	}	1586	}
1419		1587
1420	/*****************************************************************************/	1588	/*****************************************************************************/
1421		1589
1422	void	1590	void noinline
1423	ev_io_start (EV_P_ ev_io *w)	1591	ev_io_start (EV_P_ ev_io *w)
1424	{	1592	{
1425	int fd = w->fd;	1593	int fd = w->fd;
1426		1594
1427	if (expect_false (ev_is_active (w)))	1595	if (expect_false (ev_is_active (w)))
…		…
1429		1597
1430	assert (("ev_io_start called with negative fd", fd >= 0));	1598	assert (("ev_io_start called with negative fd", fd >= 0));
1431		1599
1432	ev_start (EV_A_ (W)w, 1);	1600	ev_start (EV_A_ (W)w, 1);
1433	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);	1601	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1434	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1602	wlist_add (&anfds[fd].head, (WL)w);
1435		1603
1436	fd_change (EV_A_ fd);	1604	fd_change (EV_A_ fd);
1437	}	1605	}
1438		1606
1439	void	1607	void noinline
1440	ev_io_stop (EV_P_ ev_io *w)	1608	ev_io_stop (EV_P_ ev_io *w)
1441	{	1609	{
1442	ev_clear_pending (EV_A_ (W)w);	1610	clear_pending (EV_A_ (W)w);
1443	if (expect_false (!ev_is_active (w)))	1611	if (expect_false (!ev_is_active (w)))
1444	return;	1612	return;
1445		1613
1446	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	1614	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1447		1615
1448	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1616	wlist_del (&anfds[w->fd].head, (WL)w);
1449	ev_stop (EV_A_ (W)w);	1617	ev_stop (EV_A_ (W)w);
1450		1618
1451	fd_change (EV_A_ w->fd);	1619	fd_change (EV_A_ w->fd);
1452	}	1620	}
1453		1621
1454	void	1622	void noinline
1455	ev_timer_start (EV_P_ ev_timer *w)	1623	ev_timer_start (EV_P_ ev_timer *w)
1456	{	1624	{
1457	if (expect_false (ev_is_active (w)))	1625	if (expect_false (ev_is_active (w)))
1458	return;	1626	return;
1459		1627
1460	((WT)w)->at += mn_now;	1628	((WT)w)->at += mn_now;
1461		1629
1462	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1630	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1463		1631
1464	ev_start (EV_A_ (W)w, ++timercnt);	1632	ev_start (EV_A_ (W)w, ++timercnt);
1465	array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2);	1633	array_needsize (WT, timers, timermax, timercnt, EMPTY2);
1466	timers [timercnt - 1] = w;	1634	timers [timercnt - 1] = (WT)w;
1467	upheap ((WT *)timers, timercnt - 1);	1635	upheap (timers, timercnt - 1);
1468		1636
1469	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1637	/*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/
1470	}	1638	}
1471		1639
1472	void	1640	void noinline
1473	ev_timer_stop (EV_P_ ev_timer *w)	1641	ev_timer_stop (EV_P_ ev_timer *w)
1474	{	1642	{
1475	ev_clear_pending (EV_A_ (W)w);	1643	clear_pending (EV_A_ (W)w);
1476	if (expect_false (!ev_is_active (w)))	1644	if (expect_false (!ev_is_active (w)))
1477	return;	1645	return;
1478		1646
1479	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1647	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w));
1480		1648
		1649	{
		1650	int active = ((W)w)->active;
		1651
1481	if (expect_true (((W)w)->active < timercnt--))	1652	if (expect_true (--active < --timercnt))
1482	{	1653	{
1483	timers [((W)w)->active - 1] = timers [timercnt];	1654	timers [active] = timers [timercnt];
1484	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1655	adjustheap (timers, timercnt, active);
1485	}	1656	}
		1657	}
1486		1658
1487	((WT)w)->at -= mn_now;	1659	((WT)w)->at -= mn_now;
1488		1660
1489	ev_stop (EV_A_ (W)w);	1661	ev_stop (EV_A_ (W)w);
1490	}	1662	}
1491		1663
1492	void	1664	void noinline
1493	ev_timer_again (EV_P_ ev_timer *w)	1665	ev_timer_again (EV_P_ ev_timer *w)
1494	{	1666	{
1495	if (ev_is_active (w))	1667	if (ev_is_active (w))
1496	{	1668	{
1497	if (w->repeat)	1669	if (w->repeat)
1498	{	1670	{
1499	((WT)w)->at = mn_now + w->repeat;	1671	((WT)w)->at = mn_now + w->repeat;
1500	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1672	adjustheap (timers, timercnt, ((W)w)->active - 1);
1501	}	1673	}
1502	else	1674	else
1503	ev_timer_stop (EV_A_ w);	1675	ev_timer_stop (EV_A_ w);
1504	}	1676	}
1505	else if (w->repeat)	1677	else if (w->repeat)
…		…
1508	ev_timer_start (EV_A_ w);	1680	ev_timer_start (EV_A_ w);
1509	}	1681	}
1510	}	1682	}
1511		1683
1512	#if EV_PERIODIC_ENABLE	1684	#if EV_PERIODIC_ENABLE
1513	void	1685	void noinline
1514	ev_periodic_start (EV_P_ ev_periodic *w)	1686	ev_periodic_start (EV_P_ ev_periodic *w)
1515	{	1687	{
1516	if (expect_false (ev_is_active (w)))	1688	if (expect_false (ev_is_active (w)))
1517	return;	1689	return;
1518		1690
…		…
1520	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1692	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1521	else if (w->interval)	1693	else if (w->interval)
1522	{	1694	{
1523	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1695	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1524	/* this formula differs from the one in periodic_reify because we do not always round up */	1696	/* this formula differs from the one in periodic_reify because we do not always round up */
1525	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;	1697	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1526	}	1698	}
		1699	else
		1700	((WT)w)->at = w->offset;
1527		1701
1528	ev_start (EV_A_ (W)w, ++periodiccnt);	1702	ev_start (EV_A_ (W)w, ++periodiccnt);
1529	array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);	1703	array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2);
1530	periodics [periodiccnt - 1] = w;	1704	periodics [periodiccnt - 1] = (WT)w;
1531	upheap ((WT *)periodics, periodiccnt - 1);	1705	upheap (periodics, periodiccnt - 1);
1532		1706
1533	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1707	/*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/
1534	}	1708	}
1535		1709
1536	void	1710	void noinline
1537	ev_periodic_stop (EV_P_ ev_periodic *w)	1711	ev_periodic_stop (EV_P_ ev_periodic *w)
1538	{	1712	{
1539	ev_clear_pending (EV_A_ (W)w);	1713	clear_pending (EV_A_ (W)w);
1540	if (expect_false (!ev_is_active (w)))	1714	if (expect_false (!ev_is_active (w)))
1541	return;	1715	return;
1542		1716
1543	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1717	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w));
1544		1718
		1719	{
		1720	int active = ((W)w)->active;
		1721
1545	if (expect_true (((W)w)->active < periodiccnt--))	1722	if (expect_true (--active < --periodiccnt))
1546	{	1723	{
1547	periodics [((W)w)->active - 1] = periodics [periodiccnt];	1724	periodics [active] = periodics [periodiccnt];
1548	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);	1725	adjustheap (periodics, periodiccnt, active);
1549	}	1726	}
		1727	}
1550		1728
1551	ev_stop (EV_A_ (W)w);	1729	ev_stop (EV_A_ (W)w);
1552	}	1730	}
1553		1731
1554	void	1732	void noinline
1555	ev_periodic_again (EV_P_ ev_periodic *w)	1733	ev_periodic_again (EV_P_ ev_periodic *w)
1556	{	1734	{
1557	/* TODO: use adjustheap and recalculation */	1735	/* TODO: use adjustheap and recalculation */
1558	ev_periodic_stop (EV_A_ w);	1736	ev_periodic_stop (EV_A_ w);
1559	ev_periodic_start (EV_A_ w);	1737	ev_periodic_start (EV_A_ w);
…		…
1562		1740
1563	#ifndef SA_RESTART	1741	#ifndef SA_RESTART
1564	# define SA_RESTART 0	1742	# define SA_RESTART 0
1565	#endif	1743	#endif
1566		1744
1567	void	1745	void noinline
1568	ev_signal_start (EV_P_ ev_signal *w)	1746	ev_signal_start (EV_P_ ev_signal *w)
1569	{	1747	{
1570	#if EV_MULTIPLICITY	1748	#if EV_MULTIPLICITY
1571	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));	1749	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1572	#endif	1750	#endif
1573	if (expect_false (ev_is_active (w)))	1751	if (expect_false (ev_is_active (w)))
1574	return;	1752	return;
1575		1753
1576	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1754	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1577		1755
		1756	{
		1757	#ifndef _WIN32
		1758	sigset_t full, prev;
		1759	sigfillset (&full);
		1760	sigprocmask (SIG_SETMASK, &full, &prev);
		1761	#endif
		1762
		1763	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
		1764
		1765	#ifndef _WIN32
		1766	sigprocmask (SIG_SETMASK, &prev, 0);
		1767	#endif
		1768	}
		1769
1578	ev_start (EV_A_ (W)w, 1);	1770	ev_start (EV_A_ (W)w, 1);
1579	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1580	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1771	wlist_add (&signals [w->signum - 1].head, (WL)w);
1581		1772
1582	if (!((WL)w)->next)	1773	if (!((WL)w)->next)
1583	{	1774	{
1584	#if _WIN32	1775	#if _WIN32
1585	signal (w->signum, sighandler);	1776	signal (w->signum, sighandler);
…		…
1591	sigaction (w->signum, &sa, 0);	1782	sigaction (w->signum, &sa, 0);
1592	#endif	1783	#endif
1593	}	1784	}
1594	}	1785	}
1595		1786
1596	void	1787	void noinline
1597	ev_signal_stop (EV_P_ ev_signal *w)	1788	ev_signal_stop (EV_P_ ev_signal *w)
1598	{	1789	{
1599	ev_clear_pending (EV_A_ (W)w);	1790	clear_pending (EV_A_ (W)w);
1600	if (expect_false (!ev_is_active (w)))	1791	if (expect_false (!ev_is_active (w)))
1601	return;	1792	return;
1602		1793
1603	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1794	wlist_del (&signals [w->signum - 1].head, (WL)w);
1604	ev_stop (EV_A_ (W)w);	1795	ev_stop (EV_A_ (W)w);
1605		1796
1606	if (!signals [w->signum - 1].head)	1797	if (!signals [w->signum - 1].head)
1607	signal (w->signum, SIG_DFL);	1798	signal (w->signum, SIG_DFL);
1608	}	1799	}
…		…
1615	#endif	1806	#endif
1616	if (expect_false (ev_is_active (w)))	1807	if (expect_false (ev_is_active (w)))
1617	return;	1808	return;
1618		1809
1619	ev_start (EV_A_ (W)w, 1);	1810	ev_start (EV_A_ (W)w, 1);
1620	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1811	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1621	}	1812	}
1622		1813
1623	void	1814	void
1624	ev_child_stop (EV_P_ ev_child *w)	1815	ev_child_stop (EV_P_ ev_child *w)
1625	{	1816	{
1626	ev_clear_pending (EV_A_ (W)w);	1817	clear_pending (EV_A_ (W)w);
1627	if (expect_false (!ev_is_active (w)))	1818	if (expect_false (!ev_is_active (w)))
1628	return;	1819	return;
1629		1820
1630	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1821	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1631	ev_stop (EV_A_ (W)w);	1822	ev_stop (EV_A_ (W)w);
1632	}	1823	}
1633		1824
1634	#if EV_STAT_ENABLE	1825	#if EV_STAT_ENABLE
1635		1826
…		…
1639	# endif	1830	# endif
1640		1831
1641	#define DEF_STAT_INTERVAL 5.0074891	1832	#define DEF_STAT_INTERVAL 5.0074891
1642	#define MIN_STAT_INTERVAL 0.1074891	1833	#define MIN_STAT_INTERVAL 0.1074891
1643		1834
		1835	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
		1836
		1837	#if EV_USE_INOTIFY
		1838	# define EV_INOTIFY_BUFSIZE 8192
		1839
		1840	static void noinline
		1841	infy_add (EV_P_ ev_stat *w)
		1842	{
		1843	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);
		1844
		1845	if (w->wd < 0)
		1846	{
		1847	ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
		1848
		1849	/* monitor some parent directory for speedup hints */
		1850	if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)
		1851	{
		1852	char path [4096];
		1853	strcpy (path, w->path);
		1854
		1855	do
		1856	{
		1857	int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF
		1858	| (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO);
		1859
		1860	char *pend = strrchr (path, '/');
		1861
		1862	if (!pend)
		1863	break; /* whoops, no '/', complain to your admin */
		1864
		1865	*pend = 0;
		1866	w->wd = inotify_add_watch (fs_fd, path, mask);
		1867	}
		1868	while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
		1869	}
		1870	}
		1871	else
		1872	ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */
		1873
		1874	if (w->wd >= 0)
		1875	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);
		1876	}
		1877
		1878	static void noinline
		1879	infy_del (EV_P_ ev_stat *w)
		1880	{
		1881	int slot;
		1882	int wd = w->wd;
		1883
		1884	if (wd < 0)
		1885	return;
		1886
		1887	w->wd = -2;
		1888	slot = wd & (EV_INOTIFY_HASHSIZE - 1);
		1889	wlist_del (&fs_hash [slot].head, (WL)w);
		1890
		1891	/* remove this watcher, if others are watching it, they will rearm */
		1892	inotify_rm_watch (fs_fd, wd);
		1893	}
		1894
		1895	static void noinline
		1896	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
		1897	{
		1898	if (slot < 0)
		1899	/* overflow, need to check for all hahs slots */
		1900	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
		1901	infy_wd (EV_A_ slot, wd, ev);
		1902	else
		1903	{
		1904	WL w_;
		1905
		1906	for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; )
		1907	{
		1908	ev_stat *w = (ev_stat *)w_;
		1909	w_ = w_->next; /* lets us remove this watcher and all before it */
		1910
		1911	if (w->wd == wd || wd == -1)
		1912	{
		1913	if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))
		1914	{
		1915	w->wd = -1;
		1916	infy_add (EV_A_ w); /* re-add, no matter what */
		1917	}
		1918
		1919	stat_timer_cb (EV_A_ &w->timer, 0);
		1920	}
		1921	}
		1922	}
		1923	}
		1924
		1925	static void
		1926	infy_cb (EV_P_ ev_io *w, int revents)
		1927	{
		1928	char buf [EV_INOTIFY_BUFSIZE];
		1929	struct inotify_event *ev = (struct inotify_event *)buf;
		1930	int ofs;
		1931	int len = read (fs_fd, buf, sizeof (buf));
		1932
		1933	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)
		1934	infy_wd (EV_A_ ev->wd, ev->wd, ev);
		1935	}
		1936
		1937	void inline_size
		1938	infy_init (EV_P)
		1939	{
		1940	if (fs_fd != -2)
		1941	return;
		1942
		1943	fs_fd = inotify_init ();
		1944
		1945	if (fs_fd >= 0)
		1946	{
		1947	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
		1948	ev_set_priority (&fs_w, EV_MAXPRI);
		1949	ev_io_start (EV_A_ &fs_w);
		1950	}
		1951	}
		1952
		1953	void inline_size
		1954	infy_fork (EV_P)
		1955	{
		1956	int slot;
		1957
		1958	if (fs_fd < 0)
		1959	return;
		1960
		1961	close (fs_fd);
		1962	fs_fd = inotify_init ();
		1963
		1964	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
		1965	{
		1966	WL w_ = fs_hash [slot].head;
		1967	fs_hash [slot].head = 0;
		1968
		1969	while (w_)
		1970	{
		1971	ev_stat *w = (ev_stat *)w_;
		1972	w_ = w_->next; /* lets us add this watcher */
		1973
		1974	w->wd = -1;
		1975
		1976	if (fs_fd >= 0)
		1977	infy_add (EV_A_ w); /* re-add, no matter what */
		1978	else
		1979	ev_timer_start (EV_A_ &w->timer);
		1980	}
		1981
		1982	}
		1983	}
		1984
		1985	#endif
		1986
1644	void	1987	void
1645	ev_stat_stat (EV_P_ ev_stat *w)	1988	ev_stat_stat (EV_P_ ev_stat *w)
1646	{	1989	{
1647	if (lstat (w->path, &w->attr) < 0)	1990	if (lstat (w->path, &w->attr) < 0)
1648	w->attr.st_nlink = 0;	1991	w->attr.st_nlink = 0;
1649	else if (!w->attr.st_nlink)	1992	else if (!w->attr.st_nlink)
1650	w->attr.st_nlink = 1;	1993	w->attr.st_nlink = 1;
1651	}	1994	}
1652		1995
1653	static void	1996	static void noinline
1654	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	1997	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
1655	{	1998	{
1656	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	1999	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
1657		2000
1658	/* we copy this here each the time so that */	2001	/* we copy this here each the time so that */
1659	/* prev has the old value when the callback gets invoked */	2002	/* prev has the old value when the callback gets invoked */
1660	w->prev = w->attr;	2003	w->prev = w->attr;
1661	ev_stat_stat (EV_A_ w);	2004	ev_stat_stat (EV_A_ w);
1662		2005
1663	if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata)))	2006	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */
		2007	if (
		2008	w->prev.st_dev != w->attr.st_dev
		2009	|| w->prev.st_ino != w->attr.st_ino
		2010	|| w->prev.st_mode != w->attr.st_mode
		2011	|| w->prev.st_nlink != w->attr.st_nlink
		2012	|| w->prev.st_uid != w->attr.st_uid
		2013	|| w->prev.st_gid != w->attr.st_gid
		2014	|| w->prev.st_rdev != w->attr.st_rdev
		2015	|| w->prev.st_size != w->attr.st_size
		2016	|| w->prev.st_atime != w->attr.st_atime
		2017	|| w->prev.st_mtime != w->attr.st_mtime
		2018	|| w->prev.st_ctime != w->attr.st_ctime
		2019	) {
		2020	#if EV_USE_INOTIFY
		2021	infy_del (EV_A_ w);
		2022	infy_add (EV_A_ w);
		2023	ev_stat_stat (EV_A_ w); /* avoid race... */
		2024	#endif
		2025
1664	ev_feed_event (EV_A_ w, EV_STAT);	2026	ev_feed_event (EV_A_ w, EV_STAT);
		2027	}
1665	}	2028	}
1666		2029
1667	void	2030	void
1668	ev_stat_start (EV_P_ ev_stat *w)	2031	ev_stat_start (EV_P_ ev_stat *w)
1669	{	2032	{
…		…
1679	if (w->interval < MIN_STAT_INTERVAL)	2042	if (w->interval < MIN_STAT_INTERVAL)
1680	w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL;	2043	w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL;
1681		2044
1682	ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval);	2045	ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval);
1683	ev_set_priority (&w->timer, ev_priority (w));	2046	ev_set_priority (&w->timer, ev_priority (w));
		2047
		2048	#if EV_USE_INOTIFY
		2049	infy_init (EV_A);
		2050
		2051	if (fs_fd >= 0)
		2052	infy_add (EV_A_ w);
		2053	else
		2054	#endif
1684	ev_timer_start (EV_A_ &w->timer);	2055	ev_timer_start (EV_A_ &w->timer);
1685		2056
1686	ev_start (EV_A_ (W)w, 1);	2057	ev_start (EV_A_ (W)w, 1);
1687	}	2058	}
1688		2059
1689	void	2060	void
1690	ev_stat_stop (EV_P_ ev_stat *w)	2061	ev_stat_stop (EV_P_ ev_stat *w)
1691	{	2062	{
1692	ev_clear_pending (EV_A_ (W)w);	2063	clear_pending (EV_A_ (W)w);
1693	if (expect_false (!ev_is_active (w)))	2064	if (expect_false (!ev_is_active (w)))
1694	return;	2065	return;
1695		2066
		2067	#if EV_USE_INOTIFY
		2068	infy_del (EV_A_ w);
		2069	#endif
1696	ev_timer_stop (EV_A_ &w->timer);	2070	ev_timer_stop (EV_A_ &w->timer);
1697		2071
1698	ev_stop (EV_A_ (W)w);	2072	ev_stop (EV_A_ (W)w);
1699	}	2073	}
1700	#endif	2074	#endif
1701		2075
		2076	#if EV_IDLE_ENABLE
1702	void	2077	void
1703	ev_idle_start (EV_P_ ev_idle *w)	2078	ev_idle_start (EV_P_ ev_idle *w)
1704	{	2079	{
1705	if (expect_false (ev_is_active (w)))	2080	if (expect_false (ev_is_active (w)))
1706	return;	2081	return;
1707		2082
		2083	pri_adjust (EV_A_ (W)w);
		2084
		2085	{
		2086	int active = ++idlecnt [ABSPRI (w)];
		2087
		2088	++idleall;
1708	ev_start (EV_A_ (W)w, ++idlecnt);	2089	ev_start (EV_A_ (W)w, active);
		2090
1709	array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2);	2091	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);
1710	idles [idlecnt - 1] = w;	2092	idles [ABSPRI (w)][active - 1] = w;
		2093	}
1711	}	2094	}
1712		2095
1713	void	2096	void
1714	ev_idle_stop (EV_P_ ev_idle *w)	2097	ev_idle_stop (EV_P_ ev_idle *w)
1715	{	2098	{
1716	ev_clear_pending (EV_A_ (W)w);	2099	clear_pending (EV_A_ (W)w);
1717	if (expect_false (!ev_is_active (w)))	2100	if (expect_false (!ev_is_active (w)))
1718	return;	2101	return;
1719		2102
1720	{	2103	{
1721	int active = ((W)w)->active;	2104	int active = ((W)w)->active;
1722	idles [active - 1] = idles [--idlecnt];	2105
		2106	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
1723	((W)idles [active - 1])->active = active;	2107	((W)idles [ABSPRI (w)][active - 1])->active = active;
		2108
		2109	ev_stop (EV_A_ (W)w);
		2110	--idleall;
1724	}	2111	}
1725
1726	ev_stop (EV_A_ (W)w);
1727	}	2112	}
		2113	#endif
1728		2114
1729	void	2115	void
1730	ev_prepare_start (EV_P_ ev_prepare *w)	2116	ev_prepare_start (EV_P_ ev_prepare *w)
1731	{	2117	{
1732	if (expect_false (ev_is_active (w)))	2118	if (expect_false (ev_is_active (w)))
…		…
1738	}	2124	}
1739		2125
1740	void	2126	void
1741	ev_prepare_stop (EV_P_ ev_prepare *w)	2127	ev_prepare_stop (EV_P_ ev_prepare *w)
1742	{	2128	{
1743	ev_clear_pending (EV_A_ (W)w);	2129	clear_pending (EV_A_ (W)w);
1744	if (expect_false (!ev_is_active (w)))	2130	if (expect_false (!ev_is_active (w)))
1745	return;	2131	return;
1746		2132
1747	{	2133	{
1748	int active = ((W)w)->active;	2134	int active = ((W)w)->active;
…		…
1765	}	2151	}
1766		2152
1767	void	2153	void
1768	ev_check_stop (EV_P_ ev_check *w)	2154	ev_check_stop (EV_P_ ev_check *w)
1769	{	2155	{
1770	ev_clear_pending (EV_A_ (W)w);	2156	clear_pending (EV_A_ (W)w);
1771	if (expect_false (!ev_is_active (w)))	2157	if (expect_false (!ev_is_active (w)))
1772	return;	2158	return;
1773		2159
1774	{	2160	{
1775	int active = ((W)w)->active;	2161	int active = ((W)w)->active;
…		…
1817	}	2203	}
1818		2204
1819	void	2205	void
1820	ev_embed_stop (EV_P_ ev_embed *w)	2206	ev_embed_stop (EV_P_ ev_embed *w)
1821	{	2207	{
1822	ev_clear_pending (EV_A_ (W)w);	2208	clear_pending (EV_A_ (W)w);
1823	if (expect_false (!ev_is_active (w)))	2209	if (expect_false (!ev_is_active (w)))
1824	return;	2210	return;
1825		2211
1826	ev_io_stop (EV_A_ &w->io);	2212	ev_io_stop (EV_A_ &w->io);
		2213
		2214	ev_stop (EV_A_ (W)w);
		2215	}
		2216	#endif
		2217
		2218	#if EV_FORK_ENABLE
		2219	void
		2220	ev_fork_start (EV_P_ ev_fork *w)
		2221	{
		2222	if (expect_false (ev_is_active (w)))
		2223	return;
		2224
		2225	ev_start (EV_A_ (W)w, ++forkcnt);
		2226	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);
		2227	forks [forkcnt - 1] = w;
		2228	}
		2229
		2230	void
		2231	ev_fork_stop (EV_P_ ev_fork *w)
		2232	{
		2233	clear_pending (EV_A_ (W)w);
		2234	if (expect_false (!ev_is_active (w)))
		2235	return;
		2236
		2237	{
		2238	int active = ((W)w)->active;
		2239	forks [active - 1] = forks [--forkcnt];
		2240	((W)forks [active - 1])->active = active;
		2241	}
1827		2242
1828	ev_stop (EV_A_ (W)w);	2243	ev_stop (EV_A_ (W)w);
1829	}	2244	}
1830	#endif	2245	#endif
1831		2246

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