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Comparing libev/ev.c (file contents):
Revision 1.240 by root, Thu May 8 21:21:41 2008 UTC vs.
Revision 1.277 by root, Sun Dec 14 21:58:08 2008 UTC

…		…
47	# include EV_CONFIG_H	47	# include EV_CONFIG_H
48	# else	48	# else
49	# include "config.h"	49	# include "config.h"
50	# endif	50	# endif
51		51
		52	# if HAVE_CLOCK_SYSCALL
		53	# ifndef EV_USE_CLOCK_SYSCALL
		54	# define EV_USE_CLOCK_SYSCALL 1
		55	# ifndef EV_USE_REALTIME
		56	# define EV_USE_REALTIME 0
		57	# endif
		58	# ifndef EV_USE_MONOTONIC
		59	# define EV_USE_MONOTONIC 1
		60	# endif
		61	# endif
		62	# endif
		63
52	# if HAVE_CLOCK_GETTIME	64	# if HAVE_CLOCK_GETTIME
53	# ifndef EV_USE_MONOTONIC	65	# ifndef EV_USE_MONOTONIC
54	# define EV_USE_MONOTONIC 1	66	# define EV_USE_MONOTONIC 1
55	# endif	67	# endif
56	# ifndef EV_USE_REALTIME	68	# ifndef EV_USE_REALTIME
…		…
126	# define EV_USE_EVENTFD 1	138	# define EV_USE_EVENTFD 1
127	# else	139	# else
128	# define EV_USE_EVENTFD 0	140	# define EV_USE_EVENTFD 0
129	# endif	141	# endif
130	# endif	142	# endif
131		143
132	#endif	144	#endif
133		145
134	#include <math.h>	146	#include <math.h>
135	#include <stdlib.h>	147	#include <stdlib.h>
136	#include <fcntl.h>	148	#include <fcntl.h>
…		…
154	#ifndef _WIN32	166	#ifndef _WIN32
155	# include <sys/time.h>	167	# include <sys/time.h>
156	# include <sys/wait.h>	168	# include <sys/wait.h>
157	# include <unistd.h>	169	# include <unistd.h>
158	#else	170	#else
		171	# include <io.h>
159	# define WIN32_LEAN_AND_MEAN	172	# define WIN32_LEAN_AND_MEAN
160	# include <windows.h>	173	# include <windows.h>
161	# ifndef EV_SELECT_IS_WINSOCKET	174	# ifndef EV_SELECT_IS_WINSOCKET
162	# define EV_SELECT_IS_WINSOCKET 1	175	# define EV_SELECT_IS_WINSOCKET 1
163	# endif	176	# endif
164	#endif	177	#endif
165		178
166	/* this block tries to deduce configuration from header-defined symbols and defaults */	179	/* this block tries to deduce configuration from header-defined symbols and defaults */
167		180
		181	#ifndef EV_USE_CLOCK_SYSCALL
		182	# if __linux && __GLIBC__ >= 2
		183	# define EV_USE_CLOCK_SYSCALL 1
		184	# else
		185	# define EV_USE_CLOCK_SYSCALL 0
		186	# endif
		187	#endif
		188
168	#ifndef EV_USE_MONOTONIC	189	#ifndef EV_USE_MONOTONIC
		190	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
		191	# define EV_USE_MONOTONIC 1
		192	# else
169	# define EV_USE_MONOTONIC 0	193	# define EV_USE_MONOTONIC 0
		194	# endif
170	#endif	195	#endif
171		196
172	#ifndef EV_USE_REALTIME	197	#ifndef EV_USE_REALTIME
173	# define EV_USE_REALTIME 0	198	# define EV_USE_REALTIME 0
174	#endif	199	#endif
175		200
176	#ifndef EV_USE_NANOSLEEP	201	#ifndef EV_USE_NANOSLEEP
		202	# if _POSIX_C_SOURCE >= 199309L
		203	# define EV_USE_NANOSLEEP 1
		204	# else
177	# define EV_USE_NANOSLEEP 0	205	# define EV_USE_NANOSLEEP 0
		206	# endif
178	#endif	207	#endif
179		208
180	#ifndef EV_USE_SELECT	209	#ifndef EV_USE_SELECT
181	# define EV_USE_SELECT 1	210	# define EV_USE_SELECT 1
182	#endif	211	#endif
…		…
235	# else	264	# else
236	# define EV_USE_EVENTFD 0	265	# define EV_USE_EVENTFD 0
237	# endif	266	# endif
238	#endif	267	#endif
239		268
		269	#if 0 /* debugging */
		270	# define EV_VERIFY 3
		271	# define EV_USE_4HEAP 1
		272	# define EV_HEAP_CACHE_AT 1
		273	#endif
		274
		275	#ifndef EV_VERIFY
		276	# define EV_VERIFY !EV_MINIMAL
		277	#endif
		278
		279	#ifndef EV_USE_4HEAP
		280	# define EV_USE_4HEAP !EV_MINIMAL
		281	#endif
		282
		283	#ifndef EV_HEAP_CACHE_AT
		284	# define EV_HEAP_CACHE_AT !EV_MINIMAL
		285	#endif
		286
240	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	287	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
241		288
242	#ifndef CLOCK_MONOTONIC	289	#ifndef CLOCK_MONOTONIC
243	# undef EV_USE_MONOTONIC	290	# undef EV_USE_MONOTONIC
244	# define EV_USE_MONOTONIC 0	291	# define EV_USE_MONOTONIC 0
…		…
259	# include <sys/select.h>	306	# include <sys/select.h>
260	# endif	307	# endif
261	#endif	308	#endif
262		309
263	#if EV_USE_INOTIFY	310	#if EV_USE_INOTIFY
		311	# include <sys/utsname.h>
		312	# include <sys/statfs.h>
264	# include <sys/inotify.h>	313	# include <sys/inotify.h>
		314	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
		315	# ifndef IN_DONT_FOLLOW
		316	# undef EV_USE_INOTIFY
		317	# define EV_USE_INOTIFY 0
		318	# endif
265	#endif	319	#endif
266		320
267	#if EV_SELECT_IS_WINSOCKET	321	#if EV_SELECT_IS_WINSOCKET
268	# include <winsock.h>	322	# include <winsock.h>
		323	#endif
		324
		325	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
		326	/* which makes programs even slower. might work on other unices, too. */
		327	#if EV_USE_CLOCK_SYSCALL
		328	# include <syscall.h>
		329	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
		330	# undef EV_USE_MONOTONIC
		331	# define EV_USE_MONOTONIC 1
269	#endif	332	#endif
270		333
271	#if EV_USE_EVENTFD	334	#if EV_USE_EVENTFD
272	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	335	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
273	# include <stdint.h>	336	# include <stdint.h>
…		…
279	}	342	}
280	# endif	343	# endif
281	#endif	344	#endif
282		345
283	/**/	346	/**/
		347
		348	#if EV_VERIFY >= 3
		349	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)
		350	#else
		351	# define EV_FREQUENT_CHECK do { } while (0)
		352	#endif
284		353
285	/*	354	/*
286	* This is used to avoid floating point rounding problems.	355	* This is used to avoid floating point rounding problems.
287	* It is added to ev_rt_now when scheduling periodics	356	* It is added to ev_rt_now when scheduling periodics
288	* to ensure progress, time-wise, even when rounding	357	* to ensure progress, time-wise, even when rounding
…		…
349	{	418	{
350	syserr_cb = cb;	419	syserr_cb = cb;
351	}	420	}
352		421
353	static void noinline	422	static void noinline
354	syserr (const char *msg)	423	ev_syserr (const char *msg)
355	{	424	{
356	if (!msg)	425	if (!msg)
357	msg = "(libev) system error";	426	msg = "(libev) system error";
358		427
359	if (syserr_cb)	428	if (syserr_cb)
…		…
410	typedef struct	479	typedef struct
411	{	480	{
412	WL head;	481	WL head;
413	unsigned char events;	482	unsigned char events;
414	unsigned char reify;	483	unsigned char reify;
		484	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
		485	unsigned char unused;
		486	#if EV_USE_EPOLL
		487	unsigned int egen; /* generation counter to counter epoll bugs */
		488	#endif
415	#if EV_SELECT_IS_WINSOCKET	489	#if EV_SELECT_IS_WINSOCKET
416	SOCKET handle;	490	SOCKET handle;
417	#endif	491	#endif
418	} ANFD;	492	} ANFD;
419		493
…		…
422	W w;	496	W w;
423	int events;	497	int events;
424	} ANPENDING;	498	} ANPENDING;
425		499
426	#if EV_USE_INOTIFY	500	#if EV_USE_INOTIFY
		501	/* hash table entry per inotify-id */
427	typedef struct	502	typedef struct
428	{	503	{
429	WL head;	504	WL head;
430	} ANFS;	505	} ANFS;
		506	#endif
		507
		508	/* Heap Entry */
		509	#if EV_HEAP_CACHE_AT
		510	typedef struct {
		511	ev_tstamp at;
		512	WT w;
		513	} ANHE;
		514
		515	#define ANHE_w(he) (he).w /* access watcher, read-write */
		516	#define ANHE_at(he) (he).at /* access cached at, read-only */
		517	#define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */
		518	#else
		519	typedef WT ANHE;
		520
		521	#define ANHE_w(he) (he)
		522	#define ANHE_at(he) (he)->at
		523	#define ANHE_at_cache(he)
431	#endif	524	#endif
432		525
433	#if EV_MULTIPLICITY	526	#if EV_MULTIPLICITY
434		527
435	struct ev_loop	528	struct ev_loop
…		…
513	struct timeval tv;	606	struct timeval tv;
514		607
515	tv.tv_sec = (time_t)delay;	608	tv.tv_sec = (time_t)delay;
516	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);	609	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
517		610
		611	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
		612	/* somehting nto guaranteed by newer posix versions, but guaranteed */
		613	/* by older ones */
518	select (0, 0, 0, 0, &tv);	614	select (0, 0, 0, 0, &tv);
519	#endif	615	#endif
520	}	616	}
521	}	617	}
522		618
…		…
549	array_realloc (int elem, void *base, int *cur, int cnt)	645	array_realloc (int elem, void *base, int *cur, int cnt)
550	{	646	{
551	*cur = array_nextsize (elem, *cur, cnt);	647	*cur = array_nextsize (elem, *cur, cnt);
552	return ev_realloc (base, elem * *cur);	648	return ev_realloc (base, elem * *cur);
553	}	649	}
		650
		651	#define array_init_zero(base,count) \
		652	memset ((void *)(base), 0, sizeof (*(base)) * (count))
554		653
555	#define array_needsize(type,base,cur,cnt,init) \	654	#define array_needsize(type,base,cur,cnt,init) \
556	if (expect_false ((cnt) > (cur))) \	655	if (expect_false ((cnt) > (cur))) \
557	{ \	656	{ \
558	int ocur_ = (cur); \	657	int ocur_ = (cur); \
…		…
602	ev_feed_event (EV_A_ events [i], type);	701	ev_feed_event (EV_A_ events [i], type);
603	}	702	}
604		703
605	/*****************************************************************************/	704	/*****************************************************************************/
606		705
607	void inline_size
608	anfds_init (ANFD *base, int count)
609	{
610	while (count--)
611	{
612	base->head = 0;
613	base->events = EV_NONE;
614	base->reify = 0;
615
616	++base;
617	}
618	}
619
620	void inline_speed	706	void inline_speed
621	fd_event (EV_P_ int fd, int revents)	707	fd_event (EV_P_ int fd, int revents)
622	{	708	{
623	ANFD *anfd = anfds + fd;	709	ANFD *anfd = anfds + fd;
624	ev_io *w;	710	ev_io *w;
…		…
656	events |= (unsigned char)w->events;	742	events |= (unsigned char)w->events;
657		743
658	#if EV_SELECT_IS_WINSOCKET	744	#if EV_SELECT_IS_WINSOCKET
659	if (events)	745	if (events)
660	{	746	{
661	unsigned long argp;	747	unsigned long arg;
662	#ifdef EV_FD_TO_WIN32_HANDLE	748	#ifdef EV_FD_TO_WIN32_HANDLE
663	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	749	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
664	#else	750	#else
665	anfd->handle = _get_osfhandle (fd);	751	anfd->handle = _get_osfhandle (fd);
666	#endif	752	#endif
667	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));	753	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
668	}	754	}
669	#endif	755	#endif
670		756
671	{	757	{
672	unsigned char o_events = anfd->events;	758	unsigned char o_events = anfd->events;
…		…
725	{	811	{
726	int fd;	812	int fd;
727		813
728	for (fd = 0; fd < anfdmax; ++fd)	814	for (fd = 0; fd < anfdmax; ++fd)
729	if (anfds [fd].events)	815	if (anfds [fd].events)
730	if (!fd_valid (fd) == -1 && errno == EBADF)	816	if (!fd_valid (fd) && errno == EBADF)
731	fd_kill (EV_A_ fd);	817	fd_kill (EV_A_ fd);
732	}	818	}
733		819
734	/* called on ENOMEM in select/poll to kill some fds and retry */	820	/* called on ENOMEM in select/poll to kill some fds and retry */
735	static void noinline	821	static void noinline
…		…
753		839
754	for (fd = 0; fd < anfdmax; ++fd)	840	for (fd = 0; fd < anfdmax; ++fd)
755	if (anfds [fd].events)	841	if (anfds [fd].events)
756	{	842	{
757	anfds [fd].events = 0;	843	anfds [fd].events = 0;
		844	anfds [fd].emask = 0;
758	fd_change (EV_A_ fd, EV_IOFDSET | 1);	845	fd_change (EV_A_ fd, EV_IOFDSET | 1);
759	}	846	}
760	}	847	}
761		848
762	/*****************************************************************************/	849	/*****************************************************************************/
		850
		851	/*
		852	* the heap functions want a real array index. array index 0 uis guaranteed to not
		853	* be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
		854	* the branching factor of the d-tree.
		855	*/
763		856
764	/*	857	/*
765	* at the moment we allow libev the luxury of two heaps,	858	* at the moment we allow libev the luxury of two heaps,
766	* a small-code-size 2-heap one and a ~1.5kb larger 4-heap	859	* a small-code-size 2-heap one and a ~1.5kb larger 4-heap
767	* which is more cache-efficient.	860	* which is more cache-efficient.
768	* the difference is about 5% with 50000+ watchers.	861	* the difference is about 5% with 50000+ watchers.
769	*/	862	*/
770	#define USE_4HEAP !EV_MINIMAL
771	#if USE_4HEAP	863	#if EV_USE_4HEAP
772		864
773	#define DHEAP 4	865	#define DHEAP 4
774	#define HEAP0 (DHEAP - 1) /* index of first element in heap */	866	#define HEAP0 (DHEAP - 1) /* index of first element in heap */
775		867	#define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0)
776	/* towards the root */	868	#define UPHEAP_DONE(p,k) ((p) == (k))
777	void inline_speed
778	upheap (WT *heap, int k)
779	{
780	WT w = heap [k];
781	ev_tstamp w_at = w->at;
782
783	for (;;)
784	{
785	int p = ((k - HEAP0 - 1) / DHEAP) + HEAP0;
786
787	if (p == k || heap [p]->at <= w_at)
788	break;
789
790	heap [k] = heap [p];
791	ev_active (heap [k]) = k;
792	k = p;
793	}
794
795	heap [k] = w;
796	ev_active (heap [k]) = k;
797	}
798		869
799	/* away from the root */	870	/* away from the root */
800	void inline_speed	871	void inline_speed
801	downheap (WT *heap, int N, int k)	872	downheap (ANHE *heap, int N, int k)
802	{	873	{
803	WT w = heap [k];	874	ANHE he = heap [k];
804	WT *E = heap + N + HEAP0;	875	ANHE *E = heap + N + HEAP0;
805		876
806	for (;;)	877	for (;;)
807	{	878	{
808	ev_tstamp minat;	879	ev_tstamp minat;
809	WT *minpos;	880	ANHE *minpos;
810	WT *pos = heap + DHEAP * (k - HEAP0) + HEAP0;	881	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
811		882
812	// find minimum child	883	/* find minimum child */
813	if (expect_true (pos + DHEAP - 1 < E))	884	if (expect_true (pos + DHEAP - 1 < E))
814	{	885	{
815	/* fast path */ (minpos = pos + 0), (minat = (*minpos)->at);	886	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
816	if (pos [1]->at < minat) (minpos = pos + 1), (minat = (*minpos)->at);	887	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
817	if (pos [2]->at < minat) (minpos = pos + 2), (minat = (*minpos)->at);	888	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
818	if (pos [3]->at < minat) (minpos = pos + 3), (minat = (*minpos)->at);	889	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
819	}	890	}
820	else if (pos < E)	891	else if (pos < E)
821	{	892	{
822	/* slow path */ (minpos = pos + 0), (minat = (*minpos)->at);	893	/* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
823	if (pos + 1 < E && pos [1]->at < minat) (minpos = pos + 1), (minat = (*minpos)->at);	894	if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
824	if (pos + 2 < E && pos [2]->at < minat) (minpos = pos + 2), (minat = (*minpos)->at);	895	if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
825	if (pos + 3 < E && pos [3]->at < minat) (minpos = pos + 3), (minat = (*minpos)->at);	896	if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
826	}	897	}
827	else	898	else
828	break;	899	break;
829		900
830	if (w->at <= minat)	901	if (ANHE_at (he) <= minat)
831	break;	902	break;
832		903
833	ev_active (*minpos) = k;
834	heap [k] = *minpos;	904	heap [k] = *minpos;
		905	ev_active (ANHE_w (*minpos)) = k;
835		906
836	k = minpos - heap;	907	k = minpos - heap;
837	}	908	}
838		909
839	heap [k] = w;	910	heap [k] = he;
840	ev_active (heap [k]) = k;	911	ev_active (ANHE_w (he)) = k;
841	}	912	}
842		913
843	#else // 4HEAP	914	#else /* 4HEAP */
844		915
845	#define HEAP0 1	916	#define HEAP0 1
		917	#define HPARENT(k) ((k) >> 1)
		918	#define UPHEAP_DONE(p,k) (!(p))
		919
		920	/* away from the root */
		921	void inline_speed
		922	downheap (ANHE *heap, int N, int k)
		923	{
		924	ANHE he = heap [k];
		925
		926	for (;;)
		927	{
		928	int c = k << 1;
		929
		930	if (c > N + HEAP0 - 1)
		931	break;
		932
		933	c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])
		934	? 1 : 0;
		935
		936	if (ANHE_at (he) <= ANHE_at (heap [c]))
		937	break;
		938
		939	heap [k] = heap [c];
		940	ev_active (ANHE_w (heap [k])) = k;
		941
		942	k = c;
		943	}
		944
		945	heap [k] = he;
		946	ev_active (ANHE_w (he)) = k;
		947	}
		948	#endif
846		949
847	/* towards the root */	950	/* towards the root */
848	void inline_speed	951	void inline_speed
849	upheap (WT *heap, int k)	952	upheap (ANHE *heap, int k)
850	{	953	{
851	WT w = heap [k];	954	ANHE he = heap [k];
852		955
853	for (;;)	956	for (;;)
854	{	957	{
855	int p = k >> 1;	958	int p = HPARENT (k);
856		959
857	/* maybe we could use a dummy element at heap [0]? */	960	if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he))
858	if (!p || heap [p]->at <= w->at)
859	break;	961	break;
860		962
861	heap [k] = heap [p];	963	heap [k] = heap [p];
862	ev_active (heap [k]) = k;	964	ev_active (ANHE_w (heap [k])) = k;
863	k = p;	965	k = p;
864	}	966	}
865		967
866	heap [k] = w;	968	heap [k] = he;
867	ev_active (heap [k]) = k;	969	ev_active (ANHE_w (he)) = k;
868	}	970	}
869
870	/* away from the root */
871	void inline_speed
872	downheap (WT *heap, int N, int k)
873	{
874	WT w = heap [k];
875
876	for (;;)
877	{
878	int c = k << 1;
879
880	if (c > N)
881	break;
882
883	c += c + 1 < N && heap [c]->at > heap [c + 1]->at
884	? 1 : 0;
885
886	if (w->at <= heap [c]->at)
887	break;
888
889	heap [k] = heap [c];
890	((W)heap [k])->active = k;
891
892	k = c;
893	}
894
895	heap [k] = w;
896	ev_active (heap [k]) = k;
897	}
898	#endif
899		971
900	void inline_size	972	void inline_size
901	adjustheap (WT *heap, int N, int k)	973	adjustheap (ANHE *heap, int N, int k)
902	{	974	{
		975	if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))
903	upheap (heap, k);	976	upheap (heap, k);
		977	else
904	downheap (heap, N, k);	978	downheap (heap, N, k);
		979	}
		980
		981	/* rebuild the heap: this function is used only once and executed rarely */
		982	void inline_size
		983	reheap (ANHE *heap, int N)
		984	{
		985	int i;
		986
		987	/* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */
		988	/* also, this is easy to implement and correct for both 2-heaps and 4-heaps */
		989	for (i = 0; i < N; ++i)
		990	upheap (heap, i + HEAP0);
905	}	991	}
906		992
907	/*****************************************************************************/	993	/*****************************************************************************/
908		994
909	typedef struct	995	typedef struct
…		…
915	static ANSIG *signals;	1001	static ANSIG *signals;
916	static int signalmax;	1002	static int signalmax;
917		1003
918	static EV_ATOMIC_T gotsig;	1004	static EV_ATOMIC_T gotsig;
919		1005
920	void inline_size
921	signals_init (ANSIG *base, int count)
922	{
923	while (count--)
924	{
925	base->head = 0;
926	base->gotsig = 0;
927
928	++base;
929	}
930	}
931
932	/*****************************************************************************/	1006	/*****************************************************************************/
933		1007
934	void inline_speed	1008	void inline_speed
935	fd_intern (int fd)	1009	fd_intern (int fd)
936	{	1010	{
937	#ifdef _WIN32	1011	#ifdef _WIN32
938	int arg = 1;	1012	unsigned long arg = 1;
939	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	1013	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
940	#else	1014	#else
941	fcntl (fd, F_SETFD, FD_CLOEXEC);	1015	fcntl (fd, F_SETFD, FD_CLOEXEC);
942	fcntl (fd, F_SETFL, O_NONBLOCK);	1016	fcntl (fd, F_SETFL, O_NONBLOCK);
943	#endif	1017	#endif
…		…
957	}	1031	}
958	else	1032	else
959	#endif	1033	#endif
960	{	1034	{
961	while (pipe (evpipe))	1035	while (pipe (evpipe))
962	syserr ("(libev) error creating signal/async pipe");	1036	ev_syserr ("(libev) error creating signal/async pipe");
963		1037
964	fd_intern (evpipe [0]);	1038	fd_intern (evpipe [0]);
965	fd_intern (evpipe [1]);	1039	fd_intern (evpipe [1]);
966	ev_io_set (&pipeev, evpipe [0], EV_READ);	1040	ev_io_set (&pipeev, evpipe [0], EV_READ);
967	}	1041	}
…		…
1196	/* kqueue is borked on everything but netbsd apparently */	1270	/* kqueue is borked on everything but netbsd apparently */
1197	/* it usually doesn't work correctly on anything but sockets and pipes */	1271	/* it usually doesn't work correctly on anything but sockets and pipes */
1198	flags &= ~EVBACKEND_KQUEUE;	1272	flags &= ~EVBACKEND_KQUEUE;
1199	#endif	1273	#endif
1200	#ifdef __APPLE__	1274	#ifdef __APPLE__
1201	// flags &= ~EVBACKEND_KQUEUE; for documentation	1275	// flags &= ~EVBACKEND_KQUEUE & ~EVBACKEND_POLL; for documentation
1202	flags &= ~EVBACKEND_POLL;	1276	flags &= ~EVBACKEND_SELECT;
1203	#endif	1277	#endif
1204		1278
1205	return flags;	1279	return flags;
1206	}	1280	}
1207		1281
…		…
1427		1501
1428	postfork = 0;	1502	postfork = 0;
1429	}	1503	}
1430		1504
1431	#if EV_MULTIPLICITY	1505	#if EV_MULTIPLICITY
		1506
1432	struct ev_loop *	1507	struct ev_loop *
1433	ev_loop_new (unsigned int flags)	1508	ev_loop_new (unsigned int flags)
1434	{	1509	{
1435	struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	1510	struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
1436		1511
…		…
1454	void	1529	void
1455	ev_loop_fork (EV_P)	1530	ev_loop_fork (EV_P)
1456	{	1531	{
1457	postfork = 1; /* must be in line with ev_default_fork */	1532	postfork = 1; /* must be in line with ev_default_fork */
1458	}	1533	}
		1534
		1535	#if EV_VERIFY
		1536	static void noinline
		1537	verify_watcher (EV_P_ W w)
		1538	{
		1539	assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
		1540
		1541	if (w->pending)
		1542	assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
		1543	}
		1544
		1545	static void noinline
		1546	verify_heap (EV_P_ ANHE *heap, int N)
		1547	{
		1548	int i;
		1549
		1550	for (i = HEAP0; i < N + HEAP0; ++i)
		1551	{
		1552	assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));
		1553	assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
		1554	assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
		1555
		1556	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
		1557	}
		1558	}
		1559
		1560	static void noinline
		1561	array_verify (EV_P_ W *ws, int cnt)
		1562	{
		1563	while (cnt--)
		1564	{
		1565	assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1));
		1566	verify_watcher (EV_A_ ws [cnt]);
		1567	}
		1568	}
		1569	#endif
		1570
		1571	void
		1572	ev_loop_verify (EV_P)
		1573	{
		1574	#if EV_VERIFY
		1575	int i;
		1576	WL w;
		1577
		1578	assert (activecnt >= -1);
		1579
		1580	assert (fdchangemax >= fdchangecnt);
		1581	for (i = 0; i < fdchangecnt; ++i)
		1582	assert (("negative fd in fdchanges", fdchanges [i] >= 0));
		1583
		1584	assert (anfdmax >= 0);
		1585	for (i = 0; i < anfdmax; ++i)
		1586	for (w = anfds [i].head; w; w = w->next)
		1587	{
		1588	verify_watcher (EV_A_ (W)w);
		1589	assert (("inactive fd watcher on anfd list", ev_active (w) == 1));
		1590	assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
		1591	}
		1592
		1593	assert (timermax >= timercnt);
		1594	verify_heap (EV_A_ timers, timercnt);
		1595
		1596	#if EV_PERIODIC_ENABLE
		1597	assert (periodicmax >= periodiccnt);
		1598	verify_heap (EV_A_ periodics, periodiccnt);
		1599	#endif
		1600
		1601	for (i = NUMPRI; i--; )
		1602	{
		1603	assert (pendingmax [i] >= pendingcnt [i]);
		1604	#if EV_IDLE_ENABLE
		1605	assert (idleall >= 0);
		1606	assert (idlemax [i] >= idlecnt [i]);
		1607	array_verify (EV_A_ (W *)idles [i], idlecnt [i]);
		1608	#endif
		1609	}
		1610
		1611	#if EV_FORK_ENABLE
		1612	assert (forkmax >= forkcnt);
		1613	array_verify (EV_A_ (W *)forks, forkcnt);
		1614	#endif
		1615
		1616	#if EV_ASYNC_ENABLE
		1617	assert (asyncmax >= asynccnt);
		1618	array_verify (EV_A_ (W *)asyncs, asynccnt);
		1619	#endif
		1620
		1621	assert (preparemax >= preparecnt);
		1622	array_verify (EV_A_ (W *)prepares, preparecnt);
		1623
		1624	assert (checkmax >= checkcnt);
		1625	array_verify (EV_A_ (W *)checks, checkcnt);
		1626
		1627	# if 0
		1628	for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)
		1629	for (signum = signalmax; signum--; ) if (signals [signum].gotsig)
1459	#endif	1630	# endif
		1631	#endif
		1632	}
		1633
		1634	#endif /* multiplicity */
1460		1635
1461	#if EV_MULTIPLICITY	1636	#if EV_MULTIPLICITY
1462	struct ev_loop *	1637	struct ev_loop *
1463	ev_default_loop_init (unsigned int flags)	1638	ev_default_loop_init (unsigned int flags)
1464	#else	1639	#else
…		…
1497	{	1672	{
1498	#if EV_MULTIPLICITY	1673	#if EV_MULTIPLICITY
1499	struct ev_loop *loop = ev_default_loop_ptr;	1674	struct ev_loop *loop = ev_default_loop_ptr;
1500	#endif	1675	#endif
1501		1676
		1677	ev_default_loop_ptr = 0;
		1678
1502	#ifndef _WIN32	1679	#ifndef _WIN32
1503	ev_ref (EV_A); /* child watcher */	1680	ev_ref (EV_A); /* child watcher */
1504	ev_signal_stop (EV_A_ &childev);	1681	ev_signal_stop (EV_A_ &childev);
1505	#endif	1682	#endif
1506		1683
…		…
1512	{	1689	{
1513	#if EV_MULTIPLICITY	1690	#if EV_MULTIPLICITY
1514	struct ev_loop *loop = ev_default_loop_ptr;	1691	struct ev_loop *loop = ev_default_loop_ptr;
1515	#endif	1692	#endif
1516		1693
1517	if (backend)
1518	postfork = 1; /* must be in line with ev_loop_fork */	1694	postfork = 1; /* must be in line with ev_loop_fork */
1519	}	1695	}
1520		1696
1521	/*****************************************************************************/	1697	/*****************************************************************************/
1522		1698
1523	void	1699	void
…		…
1540	{	1716	{
1541	/*assert (("non-pending watcher on pending list", p->w->pending));*/	1717	/*assert (("non-pending watcher on pending list", p->w->pending));*/
1542		1718
1543	p->w->pending = 0;	1719	p->w->pending = 0;
1544	EV_CB_INVOKE (p->w, p->events);	1720	EV_CB_INVOKE (p->w, p->events);
		1721	EV_FREQUENT_CHECK;
1545	}	1722	}
1546	}	1723	}
1547	}	1724	}
1548		1725
1549	#if EV_IDLE_ENABLE	1726	#if EV_IDLE_ENABLE
…		…
1570	#endif	1747	#endif
1571		1748
1572	void inline_size	1749	void inline_size
1573	timers_reify (EV_P)	1750	timers_reify (EV_P)
1574	{	1751	{
		1752	EV_FREQUENT_CHECK;
		1753
1575	while (timercnt && ev_at (timers [HEAP0]) <= mn_now)	1754	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)
1576	{	1755	{
1577	ev_timer *w = (ev_timer *)timers [HEAP0];	1756	ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]);
1578		1757
1579	/*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/	1758	/*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/
1580		1759
1581	/* first reschedule or stop timer */	1760	/* first reschedule or stop timer */
1582	if (w->repeat)	1761	if (w->repeat)
1583	{	1762	{
1584	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1585
1586	ev_at (w) += w->repeat;	1763	ev_at (w) += w->repeat;
1587	if (ev_at (w) < mn_now)	1764	if (ev_at (w) < mn_now)
1588	ev_at (w) = mn_now;	1765	ev_at (w) = mn_now;
1589		1766
		1767	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
		1768
		1769	ANHE_at_cache (timers [HEAP0]);
1590	downheap (timers, timercnt, HEAP0);	1770	downheap (timers, timercnt, HEAP0);
1591	}	1771	}
1592	else	1772	else
1593	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1773	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1594		1774
		1775	EV_FREQUENT_CHECK;
1595	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1776	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1596	}	1777	}
1597	}	1778	}
1598		1779
1599	#if EV_PERIODIC_ENABLE	1780	#if EV_PERIODIC_ENABLE
1600	void inline_size	1781	void inline_size
1601	periodics_reify (EV_P)	1782	periodics_reify (EV_P)
1602	{	1783	{
		1784	EV_FREQUENT_CHECK;
		1785
1603	while (periodiccnt && ev_at (periodics [HEAP0]) <= ev_rt_now)	1786	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
1604	{	1787	{
1605	ev_periodic *w = (ev_periodic *)periodics [HEAP0];	1788	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
1606		1789
1607	/*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/	1790	/*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/
1608		1791
1609	/* first reschedule or stop timer */	1792	/* first reschedule or stop timer */
1610	if (w->reschedule_cb)	1793	if (w->reschedule_cb)
1611	{	1794	{
1612	ev_at (w) = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON);	1795	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
		1796
1613	assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) > ev_rt_now));	1797	assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));
		1798
		1799	ANHE_at_cache (periodics [HEAP0]);
1614	downheap (periodics, periodiccnt, 1);	1800	downheap (periodics, periodiccnt, HEAP0);
1615	}	1801	}
1616	else if (w->interval)	1802	else if (w->interval)
1617	{	1803	{
1618	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	1804	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
		1805	/* if next trigger time is not sufficiently in the future, put it there */
		1806	/* this might happen because of floating point inexactness */
1619	if (ev_at (w) - ev_rt_now <= TIME_EPSILON) ev_at (w) += w->interval;	1807	if (ev_at (w) - ev_rt_now < TIME_EPSILON)
1620	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ev_at (w) > ev_rt_now));	1808	{
		1809	ev_at (w) += w->interval;
		1810
		1811	/* if interval is unreasonably low we might still have a time in the past */
		1812	/* so correct this. this will make the periodic very inexact, but the user */
		1813	/* has effectively asked to get triggered more often than possible */
		1814	if (ev_at (w) < ev_rt_now)
		1815	ev_at (w) = ev_rt_now;
		1816	}
		1817
		1818	ANHE_at_cache (periodics [HEAP0]);
1621	downheap (periodics, periodiccnt, HEAP0);	1819	downheap (periodics, periodiccnt, HEAP0);
1622	}	1820	}
1623	else	1821	else
1624	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1822	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1625		1823
		1824	EV_FREQUENT_CHECK;
1626	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);	1825	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1627	}	1826	}
1628	}	1827	}
1629		1828
1630	static void noinline	1829	static void noinline
1631	periodics_reschedule (EV_P)	1830	periodics_reschedule (EV_P)
1632	{	1831	{
1633	int i;	1832	int i;
1634		1833
1635	/* adjust periodics after time jump */	1834	/* adjust periodics after time jump */
1636	for (i = 1; i <= periodiccnt; ++i)	1835	for (i = HEAP0; i < periodiccnt + HEAP0; ++i)
1637	{	1836	{
1638	ev_periodic *w = (ev_periodic *)periodics [i];	1837	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]);
1639		1838
1640	if (w->reschedule_cb)	1839	if (w->reschedule_cb)
1641	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	1840	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1642	else if (w->interval)	1841	else if (w->interval)
1643	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	1842	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1644	}
1645		1843
1646	/* now rebuild the heap */	1844	ANHE_at_cache (periodics [i]);
1647	for (i = periodiccnt >> 1; --i; )	1845	}
		1846
1648	downheap (periodics, periodiccnt, i + HEAP0);	1847	reheap (periodics, periodiccnt);
1649	}	1848	}
1650	#endif	1849	#endif
1651		1850
1652	void inline_speed	1851	void inline_speed
1653	time_update (EV_P_ ev_tstamp max_block)	1852	time_update (EV_P_ ev_tstamp max_block)
…		…
1707	{	1906	{
1708	#if EV_PERIODIC_ENABLE	1907	#if EV_PERIODIC_ENABLE
1709	periodics_reschedule (EV_A);	1908	periodics_reschedule (EV_A);
1710	#endif	1909	#endif
1711	/* adjust timers. this is easy, as the offset is the same for all of them */	1910	/* adjust timers. this is easy, as the offset is the same for all of them */
1712	for (i = 1; i <= timercnt; ++i)	1911	for (i = 0; i < timercnt; ++i)
1713	ev_at (timers [i]) += ev_rt_now - mn_now;	1912	{
		1913	ANHE *he = timers + i + HEAP0;
		1914	ANHE_w (*he)->at += ev_rt_now - mn_now;
		1915	ANHE_at_cache (*he);
		1916	}
1714	}	1917	}
1715		1918
1716	mn_now = ev_rt_now;	1919	mn_now = ev_rt_now;
1717	}	1920	}
1718	}	1921	}
…		…
1727	ev_unref (EV_P)	1930	ev_unref (EV_P)
1728	{	1931	{
1729	--activecnt;	1932	--activecnt;
1730	}	1933	}
1731		1934
		1935	void
		1936	ev_now_update (EV_P)
		1937	{
		1938	time_update (EV_A_ 1e100);
		1939	}
		1940
1732	static int loop_done;	1941	static int loop_done;
1733		1942
1734	void	1943	void
1735	ev_loop (EV_P_ int flags)	1944	ev_loop (EV_P_ int flags)
1736	{	1945	{
…		…
1738		1947
1739	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */	1948	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */
1740		1949
1741	do	1950	do
1742	{	1951	{
		1952	#if EV_VERIFY >= 2
		1953	ev_loop_verify (EV_A);
		1954	#endif
		1955
1743	#ifndef _WIN32	1956	#ifndef _WIN32
1744	if (expect_false (curpid)) /* penalise the forking check even more */	1957	if (expect_false (curpid)) /* penalise the forking check even more */
1745	if (expect_false (getpid () != curpid))	1958	if (expect_false (getpid () != curpid))
1746	{	1959	{
1747	curpid = getpid ();	1960	curpid = getpid ();
…		…
1788		2001
1789	waittime = MAX_BLOCKTIME;	2002	waittime = MAX_BLOCKTIME;
1790		2003
1791	if (timercnt)	2004	if (timercnt)
1792	{	2005	{
1793	ev_tstamp to = ev_at (timers [HEAP0]) - mn_now + backend_fudge;	2006	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
1794	if (waittime > to) waittime = to;	2007	if (waittime > to) waittime = to;
1795	}	2008	}
1796		2009
1797	#if EV_PERIODIC_ENABLE	2010	#if EV_PERIODIC_ENABLE
1798	if (periodiccnt)	2011	if (periodiccnt)
1799	{	2012	{
1800	ev_tstamp to = ev_at (periodics [HEAP0]) - ev_rt_now + backend_fudge;	2013	ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge;
1801	if (waittime > to) waittime = to;	2014	if (waittime > to) waittime = to;
1802	}	2015	}
1803	#endif	2016	#endif
1804		2017
1805	if (expect_false (waittime < timeout_blocktime))	2018	if (expect_false (waittime < timeout_blocktime))
…		…
1941		2154
1942	if (expect_false (ev_is_active (w)))	2155	if (expect_false (ev_is_active (w)))
1943	return;	2156	return;
1944		2157
1945	assert (("ev_io_start called with negative fd", fd >= 0));	2158	assert (("ev_io_start called with negative fd", fd >= 0));
		2159	assert (("ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE))));
		2160
		2161	EV_FREQUENT_CHECK;
1946		2162
1947	ev_start (EV_A_ (W)w, 1);	2163	ev_start (EV_A_ (W)w, 1);
1948	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);	2164	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
1949	wlist_add (&anfds[fd].head, (WL)w);	2165	wlist_add (&anfds[fd].head, (WL)w);
1950		2166
1951	fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);	2167	fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);
1952	w->events &= ~EV_IOFDSET;	2168	w->events &= ~EV_IOFDSET;
		2169
		2170	EV_FREQUENT_CHECK;
1953	}	2171	}
1954		2172
1955	void noinline	2173	void noinline
1956	ev_io_stop (EV_P_ ev_io *w)	2174	ev_io_stop (EV_P_ ev_io *w)
1957	{	2175	{
1958	clear_pending (EV_A_ (W)w);	2176	clear_pending (EV_A_ (W)w);
1959	if (expect_false (!ev_is_active (w)))	2177	if (expect_false (!ev_is_active (w)))
1960	return;	2178	return;
1961		2179
1962	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	2180	assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
		2181
		2182	EV_FREQUENT_CHECK;
1963		2183
1964	wlist_del (&anfds[w->fd].head, (WL)w);	2184	wlist_del (&anfds[w->fd].head, (WL)w);
1965	ev_stop (EV_A_ (W)w);	2185	ev_stop (EV_A_ (W)w);
1966		2186
1967	fd_change (EV_A_ w->fd, 1);	2187	fd_change (EV_A_ w->fd, 1);
		2188
		2189	EV_FREQUENT_CHECK;
1968	}	2190	}
1969		2191
1970	void noinline	2192	void noinline
1971	ev_timer_start (EV_P_ ev_timer *w)	2193	ev_timer_start (EV_P_ ev_timer *w)
1972	{	2194	{
…		…
1975		2197
1976	ev_at (w) += mn_now;	2198	ev_at (w) += mn_now;
1977		2199
1978	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	2200	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1979		2201
		2202	EV_FREQUENT_CHECK;
		2203
		2204	++timercnt;
1980	ev_start (EV_A_ (W)w, ++timercnt + HEAP0 - 1);	2205	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
1981	array_needsize (WT, timers, timermax, timercnt + HEAP0, EMPTY2);	2206	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);
1982	timers [ev_active (w)] = (WT)w;	2207	ANHE_w (timers [ev_active (w)]) = (WT)w;
		2208	ANHE_at_cache (timers [ev_active (w)]);
1983	upheap (timers, ev_active (w));	2209	upheap (timers, ev_active (w));
1984		2210
		2211	EV_FREQUENT_CHECK;
		2212
1985	/*assert (("internal timer heap corruption", timers [ev_active (w)] == w));*/	2213	/*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
1986	}	2214	}
1987		2215
1988	void noinline	2216	void noinline
1989	ev_timer_stop (EV_P_ ev_timer *w)	2217	ev_timer_stop (EV_P_ ev_timer *w)
1990	{	2218	{
1991	clear_pending (EV_A_ (W)w);	2219	clear_pending (EV_A_ (W)w);
1992	if (expect_false (!ev_is_active (w)))	2220	if (expect_false (!ev_is_active (w)))
1993	return;	2221	return;
1994		2222
		2223	EV_FREQUENT_CHECK;
		2224
1995	{	2225	{
1996	int active = ev_active (w);	2226	int active = ev_active (w);
1997		2227
1998	assert (("internal timer heap corruption", timers [active] == (WT)w));	2228	assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
1999		2229
		2230	--timercnt;
		2231
2000	if (expect_true (active < timercnt + HEAP0 - 1))	2232	if (expect_true (active < timercnt + HEAP0))
2001	{	2233	{
2002	timers [active] = timers [timercnt + HEAP0 - 1];	2234	timers [active] = timers [timercnt + HEAP0];
2003	adjustheap (timers, timercnt, active);	2235	adjustheap (timers, timercnt, active);
2004	}	2236	}
2005
2006	--timercnt;
2007	}	2237	}
		2238
		2239	EV_FREQUENT_CHECK;
2008		2240
2009	ev_at (w) -= mn_now;	2241	ev_at (w) -= mn_now;
2010		2242
2011	ev_stop (EV_A_ (W)w);	2243	ev_stop (EV_A_ (W)w);
2012	}	2244	}
2013		2245
2014	void noinline	2246	void noinline
2015	ev_timer_again (EV_P_ ev_timer *w)	2247	ev_timer_again (EV_P_ ev_timer *w)
2016	{	2248	{
		2249	EV_FREQUENT_CHECK;
		2250
2017	if (ev_is_active (w))	2251	if (ev_is_active (w))
2018	{	2252	{
2019	if (w->repeat)	2253	if (w->repeat)
2020	{	2254	{
2021	ev_at (w) = mn_now + w->repeat;	2255	ev_at (w) = mn_now + w->repeat;
		2256	ANHE_at_cache (timers [ev_active (w)]);
2022	adjustheap (timers, timercnt, ev_active (w));	2257	adjustheap (timers, timercnt, ev_active (w));
2023	}	2258	}
2024	else	2259	else
2025	ev_timer_stop (EV_A_ w);	2260	ev_timer_stop (EV_A_ w);
2026	}	2261	}
2027	else if (w->repeat)	2262	else if (w->repeat)
2028	{	2263	{
2029	ev_at (w) = w->repeat;	2264	ev_at (w) = w->repeat;
2030	ev_timer_start (EV_A_ w);	2265	ev_timer_start (EV_A_ w);
2031	}	2266	}
		2267
		2268	EV_FREQUENT_CHECK;
2032	}	2269	}
2033		2270
2034	#if EV_PERIODIC_ENABLE	2271	#if EV_PERIODIC_ENABLE
2035	void noinline	2272	void noinline
2036	ev_periodic_start (EV_P_ ev_periodic *w)	2273	ev_periodic_start (EV_P_ ev_periodic *w)
…		…
2047	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	2284	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2048	}	2285	}
2049	else	2286	else
2050	ev_at (w) = w->offset;	2287	ev_at (w) = w->offset;
2051		2288
		2289	EV_FREQUENT_CHECK;
		2290
		2291	++periodiccnt;
2052	ev_start (EV_A_ (W)w, ++periodiccnt + HEAP0 - 1);	2292	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
2053	array_needsize (WT, periodics, periodicmax, periodiccnt + HEAP0, EMPTY2);	2293	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);
2054	periodics [ev_active (w)] = (WT)w;	2294	ANHE_w (periodics [ev_active (w)]) = (WT)w;
		2295	ANHE_at_cache (periodics [ev_active (w)]);
2055	upheap (periodics, ev_active (w));	2296	upheap (periodics, ev_active (w));
2056		2297
		2298	EV_FREQUENT_CHECK;
		2299
2057	/*assert (("internal periodic heap corruption", periodics [ev_active (w)] == w));*/	2300	/*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
2058	}	2301	}
2059		2302
2060	void noinline	2303	void noinline
2061	ev_periodic_stop (EV_P_ ev_periodic *w)	2304	ev_periodic_stop (EV_P_ ev_periodic *w)
2062	{	2305	{
2063	clear_pending (EV_A_ (W)w);	2306	clear_pending (EV_A_ (W)w);
2064	if (expect_false (!ev_is_active (w)))	2307	if (expect_false (!ev_is_active (w)))
2065	return;	2308	return;
2066		2309
		2310	EV_FREQUENT_CHECK;
		2311
2067	{	2312	{
2068	int active = ev_active (w);	2313	int active = ev_active (w);
2069		2314
2070	assert (("internal periodic heap corruption", periodics [active] == (WT)w));	2315	assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
2071		2316
		2317	--periodiccnt;
		2318
2072	if (expect_true (active < periodiccnt + HEAP0 - 1))	2319	if (expect_true (active < periodiccnt + HEAP0))
2073	{	2320	{
2074	periodics [active] = periodics [periodiccnt + HEAP0 - 1];	2321	periodics [active] = periodics [periodiccnt + HEAP0];
2075	adjustheap (periodics, periodiccnt, active);	2322	adjustheap (periodics, periodiccnt, active);
2076	}	2323	}
2077
2078	--periodiccnt;
2079	}	2324	}
		2325
		2326	EV_FREQUENT_CHECK;
2080		2327
2081	ev_stop (EV_A_ (W)w);	2328	ev_stop (EV_A_ (W)w);
2082	}	2329	}
2083		2330
2084	void noinline	2331	void noinline
…		…
2104	return;	2351	return;
2105		2352
2106	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	2353	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
2107		2354
2108	evpipe_init (EV_A);	2355	evpipe_init (EV_A);
		2356
		2357	EV_FREQUENT_CHECK;
2109		2358
2110	{	2359	{
2111	#ifndef _WIN32	2360	#ifndef _WIN32
2112	sigset_t full, prev;	2361	sigset_t full, prev;
2113	sigfillset (&full);	2362	sigfillset (&full);
2114	sigprocmask (SIG_SETMASK, &full, &prev);	2363	sigprocmask (SIG_SETMASK, &full, &prev);
2115	#endif	2364	#endif
2116		2365
2117	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);	2366	array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero);
2118		2367
2119	#ifndef _WIN32	2368	#ifndef _WIN32
2120	sigprocmask (SIG_SETMASK, &prev, 0);	2369	sigprocmask (SIG_SETMASK, &prev, 0);
2121	#endif	2370	#endif
2122	}	2371	}
…		…
2134	sigfillset (&sa.sa_mask);	2383	sigfillset (&sa.sa_mask);
2135	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	2384	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2136	sigaction (w->signum, &sa, 0);	2385	sigaction (w->signum, &sa, 0);
2137	#endif	2386	#endif
2138	}	2387	}
		2388
		2389	EV_FREQUENT_CHECK;
2139	}	2390	}
2140		2391
2141	void noinline	2392	void noinline
2142	ev_signal_stop (EV_P_ ev_signal *w)	2393	ev_signal_stop (EV_P_ ev_signal *w)
2143	{	2394	{
2144	clear_pending (EV_A_ (W)w);	2395	clear_pending (EV_A_ (W)w);
2145	if (expect_false (!ev_is_active (w)))	2396	if (expect_false (!ev_is_active (w)))
2146	return;	2397	return;
2147		2398
		2399	EV_FREQUENT_CHECK;
		2400
2148	wlist_del (&signals [w->signum - 1].head, (WL)w);	2401	wlist_del (&signals [w->signum - 1].head, (WL)w);
2149	ev_stop (EV_A_ (W)w);	2402	ev_stop (EV_A_ (W)w);
2150		2403
2151	if (!signals [w->signum - 1].head)	2404	if (!signals [w->signum - 1].head)
2152	signal (w->signum, SIG_DFL);	2405	signal (w->signum, SIG_DFL);
		2406
		2407	EV_FREQUENT_CHECK;
2153	}	2408	}
2154		2409
2155	void	2410	void
2156	ev_child_start (EV_P_ ev_child *w)	2411	ev_child_start (EV_P_ ev_child *w)
2157	{	2412	{
…		…
2159	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	2414	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2160	#endif	2415	#endif
2161	if (expect_false (ev_is_active (w)))	2416	if (expect_false (ev_is_active (w)))
2162	return;	2417	return;
2163		2418
		2419	EV_FREQUENT_CHECK;
		2420
2164	ev_start (EV_A_ (W)w, 1);	2421	ev_start (EV_A_ (W)w, 1);
2165	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2422	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
		2423
		2424	EV_FREQUENT_CHECK;
2166	}	2425	}
2167		2426
2168	void	2427	void
2169	ev_child_stop (EV_P_ ev_child *w)	2428	ev_child_stop (EV_P_ ev_child *w)
2170	{	2429	{
2171	clear_pending (EV_A_ (W)w);	2430	clear_pending (EV_A_ (W)w);
2172	if (expect_false (!ev_is_active (w)))	2431	if (expect_false (!ev_is_active (w)))
2173	return;	2432	return;
2174		2433
		2434	EV_FREQUENT_CHECK;
		2435
2175	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2436	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
2176	ev_stop (EV_A_ (W)w);	2437	ev_stop (EV_A_ (W)w);
		2438
		2439	EV_FREQUENT_CHECK;
2177	}	2440	}
2178		2441
2179	#if EV_STAT_ENABLE	2442	#if EV_STAT_ENABLE
2180		2443
2181	# ifdef _WIN32	2444	# ifdef _WIN32
2182	# undef lstat	2445	# undef lstat
2183	# define lstat(a,b) _stati64 (a,b)	2446	# define lstat(a,b) _stati64 (a,b)
2184	# endif	2447	# endif
2185		2448
2186	#define DEF_STAT_INTERVAL 5.0074891	2449	#define DEF_STAT_INTERVAL 5.0074891
		2450	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
2187	#define MIN_STAT_INTERVAL 0.1074891	2451	#define MIN_STAT_INTERVAL 0.1074891
2188		2452
2189	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	2453	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
2190		2454
2191	#if EV_USE_INOTIFY	2455	#if EV_USE_INOTIFY
2192	# define EV_INOTIFY_BUFSIZE 8192	2456	# define EV_INOTIFY_BUFSIZE 8192
…		…
2196	{	2460	{
2197	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);	2461	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);
2198		2462
2199	if (w->wd < 0)	2463	if (w->wd < 0)
2200	{	2464	{
		2465	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
2201	ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */	2466	ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
2202		2467
2203	/* monitor some parent directory for speedup hints */	2468	/* monitor some parent directory for speedup hints */
2204	/* note that exceeding the hardcoded limit is not a correctness issue, */	2469	/* note that exceeding the hardcoded path limit is not a correctness issue, */
2205	/* but an efficiency issue only */	2470	/* but an efficiency issue only */
2206	if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)	2471	if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)
2207	{	2472	{
2208	char path [4096];	2473	char path [4096];
2209	strcpy (path, w->path);	2474	strcpy (path, w->path);
…		…
2213	int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF	2478	int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF
2214	| (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO);	2479	| (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO);
2215		2480
2216	char *pend = strrchr (path, '/');	2481	char *pend = strrchr (path, '/');
2217		2482
2218	if (!pend)	2483	if (!pend || pend == path)
2219	break; /* whoops, no '/', complain to your admin */	2484	break;
2220		2485
2221	*pend = 0;	2486	*pend = 0;
2222	w->wd = inotify_add_watch (fs_fd, path, mask);	2487	w->wd = inotify_add_watch (fs_fd, path, mask);
2223	}	2488	}
2224	while (w->wd < 0 && (errno == ENOENT || errno == EACCES));	2489	while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
2225	}	2490	}
2226	}	2491	}
2227	else
2228	ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */
2229		2492
2230	if (w->wd >= 0)	2493	if (w->wd >= 0)
		2494	{
2231	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	2495	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);
		2496
		2497	/* now local changes will be tracked by inotify, but remote changes won't */
		2498	/* unless the filesystem it known to be local, we therefore still poll */
		2499	/* also do poll on <2.6.25, but with normal frequency */
		2500	struct statfs sfs;
		2501
		2502	if (fs_2625 && !statfs (w->path, &sfs))
		2503	if (sfs.f_type == 0x1373 /* devfs */
		2504	|| sfs.f_type == 0xEF53 /* ext2/3 */
		2505	|| sfs.f_type == 0x3153464a /* jfs */
		2506	|| sfs.f_type == 0x52654973 /* reiser3 */
		2507	|| sfs.f_type == 0x01021994 /* tempfs */
		2508	|| sfs.f_type == 0x58465342 /* xfs */)
		2509	return;
		2510
		2511	w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL;
		2512	ev_timer_again (EV_A_ &w->timer);
		2513	}
2232	}	2514	}
2233		2515
2234	static void noinline	2516	static void noinline
2235	infy_del (EV_P_ ev_stat *w)	2517	infy_del (EV_P_ ev_stat *w)
2236	{	2518	{
…		…
2250		2532
2251	static void noinline	2533	static void noinline
2252	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	2534	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2253	{	2535	{
2254	if (slot < 0)	2536	if (slot < 0)
2255	/* overflow, need to check for all hahs slots */	2537	/* overflow, need to check for all hash slots */
2256	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	2538	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
2257	infy_wd (EV_A_ slot, wd, ev);	2539	infy_wd (EV_A_ slot, wd, ev);
2258	else	2540	else
2259	{	2541	{
2260	WL w_;	2542	WL w_;
…		…
2266		2548
2267	if (w->wd == wd || wd == -1)	2549	if (w->wd == wd || wd == -1)
2268	{	2550	{
2269	if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))	2551	if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))
2270	{	2552	{
		2553	wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);
2271	w->wd = -1;	2554	w->wd = -1;
2272	infy_add (EV_A_ w); /* re-add, no matter what */	2555	infy_add (EV_A_ w); /* re-add, no matter what */
2273	}	2556	}
2274		2557
2275	stat_timer_cb (EV_A_ &w->timer, 0);	2558	stat_timer_cb (EV_A_ &w->timer, 0);
…		…
2289	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)	2572	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)
2290	infy_wd (EV_A_ ev->wd, ev->wd, ev);	2573	infy_wd (EV_A_ ev->wd, ev->wd, ev);
2291	}	2574	}
2292		2575
2293	void inline_size	2576	void inline_size
		2577	check_2625 (EV_P)
		2578	{
		2579	/* kernels < 2.6.25 are borked
		2580	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
		2581	*/
		2582	struct utsname buf;
		2583	int major, minor, micro;
		2584
		2585	if (uname (&buf))
		2586	return;
		2587
		2588	if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
		2589	return;
		2590
		2591	if (major < 2
		2592	|| (major == 2 && minor < 6)
		2593	|| (major == 2 && minor == 6 && micro < 25))
		2594	return;
		2595
		2596	fs_2625 = 1;
		2597	}
		2598
		2599	void inline_size
2294	infy_init (EV_P)	2600	infy_init (EV_P)
2295	{	2601	{
2296	if (fs_fd != -2)	2602	if (fs_fd != -2)
2297	return;	2603	return;
		2604
		2605	fs_fd = -1;
		2606
		2607	check_2625 (EV_A);
2298		2608
2299	fs_fd = inotify_init ();	2609	fs_fd = inotify_init ();
2300		2610
2301	if (fs_fd >= 0)	2611	if (fs_fd >= 0)
2302	{	2612	{
…		…
2330	w->wd = -1;	2640	w->wd = -1;
2331		2641
2332	if (fs_fd >= 0)	2642	if (fs_fd >= 0)
2333	infy_add (EV_A_ w); /* re-add, no matter what */	2643	infy_add (EV_A_ w); /* re-add, no matter what */
2334	else	2644	else
2335	ev_timer_start (EV_A_ &w->timer);	2645	ev_timer_again (EV_A_ &w->timer);
2336	}	2646	}
2337
2338	}	2647	}
2339	}	2648	}
2340		2649
		2650	#endif
		2651
		2652	#ifdef _WIN32
		2653	# define EV_LSTAT(p,b) _stati64 (p, b)
		2654	#else
		2655	# define EV_LSTAT(p,b) lstat (p, b)
2341	#endif	2656	#endif
2342		2657
2343	void	2658	void
2344	ev_stat_stat (EV_P_ ev_stat *w)	2659	ev_stat_stat (EV_P_ ev_stat *w)
2345	{	2660	{
…		…
2372	|| w->prev.st_atime != w->attr.st_atime	2687	|| w->prev.st_atime != w->attr.st_atime
2373	|| w->prev.st_mtime != w->attr.st_mtime	2688	|| w->prev.st_mtime != w->attr.st_mtime
2374	|| w->prev.st_ctime != w->attr.st_ctime	2689	|| w->prev.st_ctime != w->attr.st_ctime
2375	) {	2690	) {
2376	#if EV_USE_INOTIFY	2691	#if EV_USE_INOTIFY
		2692	if (fs_fd >= 0)
		2693	{
2377	infy_del (EV_A_ w);	2694	infy_del (EV_A_ w);
2378	infy_add (EV_A_ w);	2695	infy_add (EV_A_ w);
2379	ev_stat_stat (EV_A_ w); /* avoid race... */	2696	ev_stat_stat (EV_A_ w); /* avoid race... */
		2697	}
2380	#endif	2698	#endif
2381		2699
2382	ev_feed_event (EV_A_ w, EV_STAT);	2700	ev_feed_event (EV_A_ w, EV_STAT);
2383	}	2701	}
2384	}	2702	}
…		…
2387	ev_stat_start (EV_P_ ev_stat *w)	2705	ev_stat_start (EV_P_ ev_stat *w)
2388	{	2706	{
2389	if (expect_false (ev_is_active (w)))	2707	if (expect_false (ev_is_active (w)))
2390	return;	2708	return;
2391		2709
2392	/* since we use memcmp, we need to clear any padding data etc. */
2393	memset (&w->prev, 0, sizeof (ev_statdata));
2394	memset (&w->attr, 0, sizeof (ev_statdata));
2395
2396	ev_stat_stat (EV_A_ w);	2710	ev_stat_stat (EV_A_ w);
2397		2711
		2712	if (w->interval < MIN_STAT_INTERVAL && w->interval)
2398	if (w->interval < MIN_STAT_INTERVAL)	2713	w->interval = MIN_STAT_INTERVAL;
2399	w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL;
2400		2714
2401	ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval);	2715	ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL);
2402	ev_set_priority (&w->timer, ev_priority (w));	2716	ev_set_priority (&w->timer, ev_priority (w));
2403		2717
2404	#if EV_USE_INOTIFY	2718	#if EV_USE_INOTIFY
2405	infy_init (EV_A);	2719	infy_init (EV_A);
2406		2720
2407	if (fs_fd >= 0)	2721	if (fs_fd >= 0)
2408	infy_add (EV_A_ w);	2722	infy_add (EV_A_ w);
2409	else	2723	else
2410	#endif	2724	#endif
2411	ev_timer_start (EV_A_ &w->timer);	2725	ev_timer_again (EV_A_ &w->timer);
2412		2726
2413	ev_start (EV_A_ (W)w, 1);	2727	ev_start (EV_A_ (W)w, 1);
		2728
		2729	EV_FREQUENT_CHECK;
2414	}	2730	}
2415		2731
2416	void	2732	void
2417	ev_stat_stop (EV_P_ ev_stat *w)	2733	ev_stat_stop (EV_P_ ev_stat *w)
2418	{	2734	{
2419	clear_pending (EV_A_ (W)w);	2735	clear_pending (EV_A_ (W)w);
2420	if (expect_false (!ev_is_active (w)))	2736	if (expect_false (!ev_is_active (w)))
2421	return;	2737	return;
2422		2738
		2739	EV_FREQUENT_CHECK;
		2740
2423	#if EV_USE_INOTIFY	2741	#if EV_USE_INOTIFY
2424	infy_del (EV_A_ w);	2742	infy_del (EV_A_ w);
2425	#endif	2743	#endif
2426	ev_timer_stop (EV_A_ &w->timer);	2744	ev_timer_stop (EV_A_ &w->timer);
2427		2745
2428	ev_stop (EV_A_ (W)w);	2746	ev_stop (EV_A_ (W)w);
		2747
		2748	EV_FREQUENT_CHECK;
2429	}	2749	}
2430	#endif	2750	#endif
2431		2751
2432	#if EV_IDLE_ENABLE	2752	#if EV_IDLE_ENABLE
2433	void	2753	void
…		…
2435	{	2755	{
2436	if (expect_false (ev_is_active (w)))	2756	if (expect_false (ev_is_active (w)))
2437	return;	2757	return;
2438		2758
2439	pri_adjust (EV_A_ (W)w);	2759	pri_adjust (EV_A_ (W)w);
		2760
		2761	EV_FREQUENT_CHECK;
2440		2762
2441	{	2763	{
2442	int active = ++idlecnt [ABSPRI (w)];	2764	int active = ++idlecnt [ABSPRI (w)];
2443		2765
2444	++idleall;	2766	++idleall;
2445	ev_start (EV_A_ (W)w, active);	2767	ev_start (EV_A_ (W)w, active);
2446		2768
2447	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	2769	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);
2448	idles [ABSPRI (w)][active - 1] = w;	2770	idles [ABSPRI (w)][active - 1] = w;
2449	}	2771	}
		2772
		2773	EV_FREQUENT_CHECK;
2450	}	2774	}
2451		2775
2452	void	2776	void
2453	ev_idle_stop (EV_P_ ev_idle *w)	2777	ev_idle_stop (EV_P_ ev_idle *w)
2454	{	2778	{
2455	clear_pending (EV_A_ (W)w);	2779	clear_pending (EV_A_ (W)w);
2456	if (expect_false (!ev_is_active (w)))	2780	if (expect_false (!ev_is_active (w)))
2457	return;	2781	return;
2458		2782
		2783	EV_FREQUENT_CHECK;
		2784
2459	{	2785	{
2460	int active = ev_active (w);	2786	int active = ev_active (w);
2461		2787
2462	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];	2788	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
2463	ev_active (idles [ABSPRI (w)][active - 1]) = active;	2789	ev_active (idles [ABSPRI (w)][active - 1]) = active;
2464		2790
2465	ev_stop (EV_A_ (W)w);	2791	ev_stop (EV_A_ (W)w);
2466	--idleall;	2792	--idleall;
2467	}	2793	}
		2794
		2795	EV_FREQUENT_CHECK;
2468	}	2796	}
2469	#endif	2797	#endif
2470		2798
2471	void	2799	void
2472	ev_prepare_start (EV_P_ ev_prepare *w)	2800	ev_prepare_start (EV_P_ ev_prepare *w)
2473	{	2801	{
2474	if (expect_false (ev_is_active (w)))	2802	if (expect_false (ev_is_active (w)))
2475	return;	2803	return;
		2804
		2805	EV_FREQUENT_CHECK;
2476		2806
2477	ev_start (EV_A_ (W)w, ++preparecnt);	2807	ev_start (EV_A_ (W)w, ++preparecnt);
2478	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	2808	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
2479	prepares [preparecnt - 1] = w;	2809	prepares [preparecnt - 1] = w;
		2810
		2811	EV_FREQUENT_CHECK;
2480	}	2812	}
2481		2813
2482	void	2814	void
2483	ev_prepare_stop (EV_P_ ev_prepare *w)	2815	ev_prepare_stop (EV_P_ ev_prepare *w)
2484	{	2816	{
2485	clear_pending (EV_A_ (W)w);	2817	clear_pending (EV_A_ (W)w);
2486	if (expect_false (!ev_is_active (w)))	2818	if (expect_false (!ev_is_active (w)))
2487	return;	2819	return;
2488		2820
		2821	EV_FREQUENT_CHECK;
		2822
2489	{	2823	{
2490	int active = ev_active (w);	2824	int active = ev_active (w);
2491		2825
2492	prepares [active - 1] = prepares [--preparecnt];	2826	prepares [active - 1] = prepares [--preparecnt];
2493	ev_active (prepares [active - 1]) = active;	2827	ev_active (prepares [active - 1]) = active;
2494	}	2828	}
2495		2829
2496	ev_stop (EV_A_ (W)w);	2830	ev_stop (EV_A_ (W)w);
		2831
		2832	EV_FREQUENT_CHECK;
2497	}	2833	}
2498		2834
2499	void	2835	void
2500	ev_check_start (EV_P_ ev_check *w)	2836	ev_check_start (EV_P_ ev_check *w)
2501	{	2837	{
2502	if (expect_false (ev_is_active (w)))	2838	if (expect_false (ev_is_active (w)))
2503	return;	2839	return;
		2840
		2841	EV_FREQUENT_CHECK;
2504		2842
2505	ev_start (EV_A_ (W)w, ++checkcnt);	2843	ev_start (EV_A_ (W)w, ++checkcnt);
2506	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	2844	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
2507	checks [checkcnt - 1] = w;	2845	checks [checkcnt - 1] = w;
		2846
		2847	EV_FREQUENT_CHECK;
2508	}	2848	}
2509		2849
2510	void	2850	void
2511	ev_check_stop (EV_P_ ev_check *w)	2851	ev_check_stop (EV_P_ ev_check *w)
2512	{	2852	{
2513	clear_pending (EV_A_ (W)w);	2853	clear_pending (EV_A_ (W)w);
2514	if (expect_false (!ev_is_active (w)))	2854	if (expect_false (!ev_is_active (w)))
2515	return;	2855	return;
2516		2856
		2857	EV_FREQUENT_CHECK;
		2858
2517	{	2859	{
2518	int active = ev_active (w);	2860	int active = ev_active (w);
2519		2861
2520	checks [active - 1] = checks [--checkcnt];	2862	checks [active - 1] = checks [--checkcnt];
2521	ev_active (checks [active - 1]) = active;	2863	ev_active (checks [active - 1]) = active;
2522	}	2864	}
2523		2865
2524	ev_stop (EV_A_ (W)w);	2866	ev_stop (EV_A_ (W)w);
		2867
		2868	EV_FREQUENT_CHECK;
2525	}	2869	}
2526		2870
2527	#if EV_EMBED_ENABLE	2871	#if EV_EMBED_ENABLE
2528	void noinline	2872	void noinline
2529	ev_embed_sweep (EV_P_ ev_embed *w)	2873	ev_embed_sweep (EV_P_ ev_embed *w)
…		…
2556	ev_loop (EV_A_ EVLOOP_NONBLOCK);	2900	ev_loop (EV_A_ EVLOOP_NONBLOCK);
2557	}	2901	}
2558	}	2902	}
2559	}	2903	}
2560		2904
		2905	static void
		2906	embed_fork_cb (EV_P_ ev_fork *fork_w, int revents)
		2907	{
		2908	ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork));
		2909
		2910	ev_embed_stop (EV_A_ w);
		2911
		2912	{
		2913	struct ev_loop *loop = w->other;
		2914
		2915	ev_loop_fork (EV_A);
		2916	ev_loop (EV_A_ EVLOOP_NONBLOCK);
		2917	}
		2918
		2919	ev_embed_start (EV_A_ w);
		2920	}
		2921
2561	#if 0	2922	#if 0
2562	static void	2923	static void
2563	embed_idle_cb (EV_P_ ev_idle *idle, int revents)	2924	embed_idle_cb (EV_P_ ev_idle *idle, int revents)
2564	{	2925	{
2565	ev_idle_stop (EV_A_ idle);	2926	ev_idle_stop (EV_A_ idle);
…		…
2576	struct ev_loop *loop = w->other;	2937	struct ev_loop *loop = w->other;
2577	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	2938	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2578	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);	2939	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2579	}	2940	}
2580		2941
		2942	EV_FREQUENT_CHECK;
		2943
2581	ev_set_priority (&w->io, ev_priority (w));	2944	ev_set_priority (&w->io, ev_priority (w));
2582	ev_io_start (EV_A_ &w->io);	2945	ev_io_start (EV_A_ &w->io);
2583		2946
2584	ev_prepare_init (&w->prepare, embed_prepare_cb);	2947	ev_prepare_init (&w->prepare, embed_prepare_cb);
2585	ev_set_priority (&w->prepare, EV_MINPRI);	2948	ev_set_priority (&w->prepare, EV_MINPRI);
2586	ev_prepare_start (EV_A_ &w->prepare);	2949	ev_prepare_start (EV_A_ &w->prepare);
2587		2950
		2951	ev_fork_init (&w->fork, embed_fork_cb);
		2952	ev_fork_start (EV_A_ &w->fork);
		2953
2588	/*ev_idle_init (&w->idle, e,bed_idle_cb);*/	2954	/*ev_idle_init (&w->idle, e,bed_idle_cb);*/
2589		2955
2590	ev_start (EV_A_ (W)w, 1);	2956	ev_start (EV_A_ (W)w, 1);
		2957
		2958	EV_FREQUENT_CHECK;
2591	}	2959	}
2592		2960
2593	void	2961	void
2594	ev_embed_stop (EV_P_ ev_embed *w)	2962	ev_embed_stop (EV_P_ ev_embed *w)
2595	{	2963	{
2596	clear_pending (EV_A_ (W)w);	2964	clear_pending (EV_A_ (W)w);
2597	if (expect_false (!ev_is_active (w)))	2965	if (expect_false (!ev_is_active (w)))
2598	return;	2966	return;
2599		2967
		2968	EV_FREQUENT_CHECK;
		2969
2600	ev_io_stop (EV_A_ &w->io);	2970	ev_io_stop (EV_A_ &w->io);
2601	ev_prepare_stop (EV_A_ &w->prepare);	2971	ev_prepare_stop (EV_A_ &w->prepare);
		2972	ev_fork_stop (EV_A_ &w->fork);
2602		2973
2603	ev_stop (EV_A_ (W)w);	2974	EV_FREQUENT_CHECK;
2604	}	2975	}
2605	#endif	2976	#endif
2606		2977
2607	#if EV_FORK_ENABLE	2978	#if EV_FORK_ENABLE
2608	void	2979	void
2609	ev_fork_start (EV_P_ ev_fork *w)	2980	ev_fork_start (EV_P_ ev_fork *w)
2610	{	2981	{
2611	if (expect_false (ev_is_active (w)))	2982	if (expect_false (ev_is_active (w)))
2612	return;	2983	return;
		2984
		2985	EV_FREQUENT_CHECK;
2613		2986
2614	ev_start (EV_A_ (W)w, ++forkcnt);	2987	ev_start (EV_A_ (W)w, ++forkcnt);
2615	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	2988	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);
2616	forks [forkcnt - 1] = w;	2989	forks [forkcnt - 1] = w;
		2990
		2991	EV_FREQUENT_CHECK;
2617	}	2992	}
2618		2993
2619	void	2994	void
2620	ev_fork_stop (EV_P_ ev_fork *w)	2995	ev_fork_stop (EV_P_ ev_fork *w)
2621	{	2996	{
2622	clear_pending (EV_A_ (W)w);	2997	clear_pending (EV_A_ (W)w);
2623	if (expect_false (!ev_is_active (w)))	2998	if (expect_false (!ev_is_active (w)))
2624	return;	2999	return;
2625		3000
		3001	EV_FREQUENT_CHECK;
		3002
2626	{	3003	{
2627	int active = ev_active (w);	3004	int active = ev_active (w);
2628		3005
2629	forks [active - 1] = forks [--forkcnt];	3006	forks [active - 1] = forks [--forkcnt];
2630	ev_active (forks [active - 1]) = active;	3007	ev_active (forks [active - 1]) = active;
2631	}	3008	}
2632		3009
2633	ev_stop (EV_A_ (W)w);	3010	ev_stop (EV_A_ (W)w);
		3011
		3012	EV_FREQUENT_CHECK;
2634	}	3013	}
2635	#endif	3014	#endif
2636		3015
2637	#if EV_ASYNC_ENABLE	3016	#if EV_ASYNC_ENABLE
2638	void	3017	void
…		…
2640	{	3019	{
2641	if (expect_false (ev_is_active (w)))	3020	if (expect_false (ev_is_active (w)))
2642	return;	3021	return;
2643		3022
2644	evpipe_init (EV_A);	3023	evpipe_init (EV_A);
		3024
		3025	EV_FREQUENT_CHECK;
2645		3026
2646	ev_start (EV_A_ (W)w, ++asynccnt);	3027	ev_start (EV_A_ (W)w, ++asynccnt);
2647	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	3028	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);
2648	asyncs [asynccnt - 1] = w;	3029	asyncs [asynccnt - 1] = w;
		3030
		3031	EV_FREQUENT_CHECK;
2649	}	3032	}
2650		3033
2651	void	3034	void
2652	ev_async_stop (EV_P_ ev_async *w)	3035	ev_async_stop (EV_P_ ev_async *w)
2653	{	3036	{
2654	clear_pending (EV_A_ (W)w);	3037	clear_pending (EV_A_ (W)w);
2655	if (expect_false (!ev_is_active (w)))	3038	if (expect_false (!ev_is_active (w)))
2656	return;	3039	return;
2657		3040
		3041	EV_FREQUENT_CHECK;
		3042
2658	{	3043	{
2659	int active = ev_active (w);	3044	int active = ev_active (w);
2660		3045
2661	asyncs [active - 1] = asyncs [--asynccnt];	3046	asyncs [active - 1] = asyncs [--asynccnt];
2662	ev_active (asyncs [active - 1]) = active;	3047	ev_active (asyncs [active - 1]) = active;
2663	}	3048	}
2664		3049
2665	ev_stop (EV_A_ (W)w);	3050	ev_stop (EV_A_ (W)w);
		3051
		3052	EV_FREQUENT_CHECK;
2666	}	3053	}
2667		3054
2668	void	3055	void
2669	ev_async_send (EV_P_ ev_async *w)	3056	ev_async_send (EV_P_ ev_async *w)
2670	{	3057	{
…		…
2687	once_cb (EV_P_ struct ev_once *once, int revents)	3074	once_cb (EV_P_ struct ev_once *once, int revents)
2688	{	3075	{
2689	void (*cb)(int revents, void *arg) = once->cb;	3076	void (*cb)(int revents, void *arg) = once->cb;
2690	void *arg = once->arg;	3077	void *arg = once->arg;
2691		3078
2692	ev_io_stop (EV_A_ &once->io);	3079	ev_io_stop (EV_A_ &once->io);
2693	ev_timer_stop (EV_A_ &once->to);	3080	ev_timer_stop (EV_A_ &once->to);
2694	ev_free (once);	3081	ev_free (once);
2695		3082
2696	cb (revents, arg);	3083	cb (revents, arg);
2697	}	3084	}
2698		3085
2699	static void	3086	static void
2700	once_cb_io (EV_P_ ev_io *w, int revents)	3087	once_cb_io (EV_P_ ev_io *w, int revents)
2701	{	3088	{
2702	once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents);	3089	struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io));
		3090
		3091	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to));
2703	}	3092	}
2704		3093
2705	static void	3094	static void
2706	once_cb_to (EV_P_ ev_timer *w, int revents)	3095	once_cb_to (EV_P_ ev_timer *w, int revents)
2707	{	3096	{
2708	once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents);	3097	struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to));
		3098
		3099	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
2709	}	3100	}
2710		3101
2711	void	3102	void
2712	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	3103	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)
2713	{	3104	{

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