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

Comparing libev/ev.c (file contents):
Revision 1.98 by root, Sun Nov 11 02:05:20 2007 UTC vs.
Revision 1.126 by root, Sun Nov 18 01:25:23 2007 UTC

…		…
41	# define EV_USE_MONOTONIC 1	41	# define EV_USE_MONOTONIC 1
42	# endif	42	# endif
43	# ifndef EV_USE_REALTIME	43	# ifndef EV_USE_REALTIME
44	# define EV_USE_REALTIME 1	44	# define EV_USE_REALTIME 1
45	# endif	45	# endif
		46	# else
		47	# ifndef EV_USE_MONOTONIC
		48	# define EV_USE_MONOTONIC 0
		49	# endif
		50	# ifndef EV_USE_REALTIME
		51	# define EV_USE_REALTIME 0
		52	# endif
46	# endif	53	# endif
47		54
48	# if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT)	55	# if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT)
49	# define EV_USE_SELECT 1	56	# define EV_USE_SELECT 1
		57	# else
		58	# define EV_USE_SELECT 0
50	# endif	59	# endif
51		60
52	# if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL)	61	# if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL)
53	# define EV_USE_POLL 1	62	# define EV_USE_POLL 1
		63	# else
		64	# define EV_USE_POLL 0
54	# endif	65	# endif
55		66
56	# if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL)	67	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL)
57	# define EV_USE_EPOLL 1	68	# define EV_USE_EPOLL 1
		69	# else
		70	# define EV_USE_EPOLL 0
58	# endif	71	# endif
59		72
60	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE)	73	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE)
61	# define EV_USE_KQUEUE 1	74	# define EV_USE_KQUEUE 1
		75	# else
		76	# define EV_USE_KQUEUE 0
		77	# endif
		78
		79	# if HAVE_PORT_H && HAVE_PORT_CREATE && !defined (EV_USE_PORT)
		80	# define EV_USE_PORT 1
		81	# else
		82	# define EV_USE_PORT 0
62	# endif	83	# endif
63		84
64	#endif	85	#endif
65		86
66	#include <math.h>	87	#include <math.h>
…		…
75	#include <sys/types.h>	96	#include <sys/types.h>
76	#include <time.h>	97	#include <time.h>
77		98
78	#include <signal.h>	99	#include <signal.h>
79		100
80	#ifndef WIN32	101	#ifndef _WIN32
81	# include <unistd.h>	102	# include <unistd.h>
82	# include <sys/time.h>	103	# include <sys/time.h>
83	# include <sys/wait.h>	104	# include <sys/wait.h>
		105	#else
		106	# define WIN32_LEAN_AND_MEAN
		107	# include <windows.h>
		108	# ifndef EV_SELECT_IS_WINSOCKET
		109	# define EV_SELECT_IS_WINSOCKET 1
84	#endif	110	# endif
		111	#endif
		112
85	/**/	113	/**/
86		114
87	#ifndef EV_USE_MONOTONIC	115	#ifndef EV_USE_MONOTONIC
88	# define EV_USE_MONOTONIC 1	116	# define EV_USE_MONOTONIC 0
		117	#endif
		118
		119	#ifndef EV_USE_REALTIME
		120	# define EV_USE_REALTIME 0
89	#endif	121	#endif
90		122
91	#ifndef EV_USE_SELECT	123	#ifndef EV_USE_SELECT
92	# define EV_USE_SELECT 1	124	# define EV_USE_SELECT 1
93	#endif	125	#endif
94		126
95	#ifndef EV_USE_POLL	127	#ifndef EV_USE_POLL
96	# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */	128	# ifdef _WIN32
		129	# define EV_USE_POLL 0
		130	# else
		131	# define EV_USE_POLL 1
		132	# endif
97	#endif	133	#endif
98		134
99	#ifndef EV_USE_EPOLL	135	#ifndef EV_USE_EPOLL
100	# define EV_USE_EPOLL 0	136	# define EV_USE_EPOLL 0
101	#endif	137	#endif
102		138
103	#ifndef EV_USE_KQUEUE	139	#ifndef EV_USE_KQUEUE
104	# define EV_USE_KQUEUE 0	140	# define EV_USE_KQUEUE 0
105	#endif	141	#endif
106		142
107	#ifndef EV_USE_WIN32
108	# ifdef WIN32
109	# define EV_USE_WIN32 0 /* it does not exist, use select */
110	# undef EV_USE_SELECT
111	# define EV_USE_SELECT 1
112	# else
113	# define EV_USE_WIN32 0
114	# endif
115	#endif
116
117	#ifndef EV_USE_REALTIME	143	#ifndef EV_USE_PORT
118	# define EV_USE_REALTIME 1	144	# define EV_USE_PORT 0
119	#endif	145	#endif
120		146
121	/**/	147	/**/
		148
		149	/* darwin simply cannot be helped */
		150	#ifdef __APPLE__
		151	# undef EV_USE_POLL
		152	# undef EV_USE_KQUEUE
		153	#endif
122		154
123	#ifndef CLOCK_MONOTONIC	155	#ifndef CLOCK_MONOTONIC
124	# undef EV_USE_MONOTONIC	156	# undef EV_USE_MONOTONIC
125	# define EV_USE_MONOTONIC 0	157	# define EV_USE_MONOTONIC 0
126	#endif	158	#endif
…		…
128	#ifndef CLOCK_REALTIME	160	#ifndef CLOCK_REALTIME
129	# undef EV_USE_REALTIME	161	# undef EV_USE_REALTIME
130	# define EV_USE_REALTIME 0	162	# define EV_USE_REALTIME 0
131	#endif	163	#endif
132		164
		165	#if EV_SELECT_IS_WINSOCKET
		166	# include <winsock.h>
		167	#endif
		168
133	/**/	169	/**/
134		170
135	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	171	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
136	#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */	172	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
137	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */	173	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */
138	/#define CLEANUP_INTERVAL 300. / how often to try to free memory and re-check fds */	174	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds */
139		175
140	#ifdef EV_H	176	#ifdef EV_H
141	# include EV_H	177	# include EV_H
142	#else	178	#else
143	# include "ev.h"	179	# include "ev.h"
144	#endif	180	#endif
145		181
146	#if __GNUC__ >= 3	182	#if __GNUC__ >= 3
147	# define expect(expr,value) __builtin_expect ((expr),(value))	183	# define expect(expr,value) __builtin_expect ((expr),(value))
148	# define inline inline	184	# define inline static inline
149	#else	185	#else
150	# define expect(expr,value) (expr)	186	# define expect(expr,value) (expr)
151	# define inline static	187	# define inline static
152	#endif	188	#endif
153		189
…		…
155	#define expect_true(expr) expect ((expr) != 0, 1)	191	#define expect_true(expr) expect ((expr) != 0, 1)
156		192
157	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	193	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
158	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	194	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
159		195
		196	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
		197	#define EMPTY2(a,b) /* used to suppress some warnings */
		198
160	typedef struct ev_watcher *W;	199	typedef struct ev_watcher *W;
161	typedef struct ev_watcher_list *WL;	200	typedef struct ev_watcher_list *WL;
162	typedef struct ev_watcher_time *WT;	201	typedef struct ev_watcher_time *WT;
163		202
164	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	203	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
165		204
166	#ifdef WIN32	205	#ifdef _WIN32
167	# include "ev_win32.c"	206	# include "ev_win32.c"
168	#endif	207	#endif
169		208
170	/*****************************************************************************/	209	/*****************************************************************************/
171		210
…		…
220	typedef struct	259	typedef struct
221	{	260	{
222	WL head;	261	WL head;
223	unsigned char events;	262	unsigned char events;
224	unsigned char reify;	263	unsigned char reify;
		264	#if EV_SELECT_IS_WINSOCKET
		265	SOCKET handle;
		266	#endif
225	} ANFD;	267	} ANFD;
226		268
227	typedef struct	269	typedef struct
228	{	270	{
229	W w;	271	W w;
…		…
233	#if EV_MULTIPLICITY	275	#if EV_MULTIPLICITY
234		276
235	struct ev_loop	277	struct ev_loop
236	{	278	{
237	ev_tstamp ev_rt_now;	279	ev_tstamp ev_rt_now;
		280	#define ev_rt_now ((loop)->ev_rt_now)
238	#define VAR(name,decl) decl;	281	#define VAR(name,decl) decl;
239	#include "ev_vars.h"	282	#include "ev_vars.h"
240	#undef VAR	283	#undef VAR
241	};	284	};
242	#include "ev_wrap.h"	285	#include "ev_wrap.h"
243		286
244	struct ev_loop default_loop_struct;	287	static struct ev_loop default_loop_struct;
245	static struct ev_loop *default_loop;	288	struct ev_loop *ev_default_loop_ptr;
246		289
247	#else	290	#else
248		291
249	ev_tstamp ev_rt_now;	292	ev_tstamp ev_rt_now;
250	#define VAR(name,decl) static decl;	293	#define VAR(name,decl) static decl;
251	#include "ev_vars.h"	294	#include "ev_vars.h"
252	#undef VAR	295	#undef VAR
253		296
254	static int default_loop;	297	static int ev_default_loop_ptr;
255		298
256	#endif	299	#endif
257		300
258	/*****************************************************************************/	301	/*****************************************************************************/
259		302
…		…
292	{	335	{
293	return ev_rt_now;	336	return ev_rt_now;
294	}	337	}
295	#endif	338	#endif
296		339
297	#define array_roundsize(type,n) ((n) \| 4 & ~3)	340	#define array_roundsize(type,n) (((n) \| 4) & ~3)
298		341
299	#define array_needsize(type,base,cur,cnt,init) \	342	#define array_needsize(type,base,cur,cnt,init) \
300	if (expect_false ((cnt) > cur)) \	343	if (expect_false ((cnt) > cur)) \
301	{ \	344	{ \
302	int newcnt = cur; \	345	int newcnt = cur; \
…		…
317	stem ## max = array_roundsize (stem ## cnt >> 1); \	360	stem ## max = array_roundsize (stem ## cnt >> 1); \
318	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\	361	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
319	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\	362	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
320	}	363	}
321		364
322	/* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */
323	/* bringing us everlasting joy in form of stupid extra macros that are not required in C */
324	#define array_free_microshit(stem) \
325	ev_free (stem ## s); stem ## cnt = stem ## max = 0;
326
327	#define array_free(stem, idx) \	365	#define array_free(stem, idx) \
328	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;	366	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
329		367
330	/*****************************************************************************/	368	/*****************************************************************************/
331		369
…		…
345	void	383	void
346	ev_feed_event (EV_P_ void *w, int revents)	384	ev_feed_event (EV_P_ void *w, int revents)
347	{	385	{
348	W w_ = (W)w;	386	W w_ = (W)w;
349		387
350	if (w_->pending)	388	if (expect_false (w_->pending))
351	{	389	{
352	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;	390	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
353	return;	391	return;
354	}	392	}
355		393
356	w_->pending = ++pendingcnt [ABSPRI (w_)];	394	w_->pending = ++pendingcnt [ABSPRI (w_)];
357	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void));	395	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
358	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;	396	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
359	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;	397	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
360	}	398	}
361		399
362	static void	400	static void
…		…
389	fd_event (EV_A_ fd, revents);	427	fd_event (EV_A_ fd, revents);
390	}	428	}
391		429
392	/*****************************************************************************/	430	/*****************************************************************************/
393		431
394	static void	432	inline void
395	fd_reify (EV_P)	433	fd_reify (EV_P)
396	{	434	{
397	int i;	435	int i;
398		436
399	for (i = 0; i < fdchangecnt; ++i)	437	for (i = 0; i < fdchangecnt; ++i)
…		…
405	int events = 0;	443	int events = 0;
406		444
407	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	445	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
408	events \|= w->events;	446	events \|= w->events;
409		447
		448	#if EV_SELECT_IS_WINSOCKET
		449	if (events)
		450	{
		451	unsigned long argp;
		452	anfd->handle = _get_osfhandle (fd);
		453	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
		454	}
		455	#endif
		456
410	anfd->reify = 0;	457	anfd->reify = 0;
411		458
412	method_modify (EV_A_ fd, anfd->events, events);	459	method_modify (EV_A_ fd, anfd->events, events);
413	anfd->events = events;	460	anfd->events = events;
414	}	461	}
…		…
417	}	464	}
418		465
419	static void	466	static void
420	fd_change (EV_P_ int fd)	467	fd_change (EV_P_ int fd)
421	{	468	{
422	if (anfds [fd].reify)	469	if (expect_false (anfds [fd].reify))
423	return;	470	return;
424		471
425	anfds [fd].reify = 1;	472	anfds [fd].reify = 1;
426		473
427	++fdchangecnt;	474	++fdchangecnt;
428	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void));	475	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
429	fdchanges [fdchangecnt - 1] = fd;	476	fdchanges [fdchangecnt - 1] = fd;
430	}	477	}
431		478
432	static void	479	static void
433	fd_kill (EV_P_ int fd)	480	fd_kill (EV_P_ int fd)
…		…
439	ev_io_stop (EV_A_ w);	486	ev_io_stop (EV_A_ w);
440	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	487	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
441	}	488	}
442	}	489	}
443		490
444	static int	491	inline int
445	fd_valid (int fd)	492	fd_valid (int fd)
446	{	493	{
447	#ifdef WIN32	494	#ifdef _WIN32
448	return !!win32_get_osfhandle (fd);	495	return _get_osfhandle (fd) != -1;
449	#else	496	#else
450	return fcntl (fd, F_GETFD) != -1;	497	return fcntl (fd, F_GETFD) != -1;
451	#endif	498	#endif
452	}	499	}
453		500
…		…
534	heap [k] = w;	581	heap [k] = w;
535	((W)heap [k])->active = k + 1;	582	((W)heap [k])->active = k + 1;
536	}	583	}
537		584
538	inline void	585	inline void
539	adjustheap (WT *heap, int N, int k, ev_tstamp at)	586	adjustheap (WT *heap, int N, int k)
540	{	587	{
541	ev_tstamp old_at = heap [k]->at;	588	upheap (heap, k);
542	heap [k]->at = at;
543
544	if (old_at < at)
545	downheap (heap, N, k);	589	downheap (heap, N, k);
546	else
547	upheap (heap, k);
548	}	590	}
549		591
550	/*****************************************************************************/	592	/*****************************************************************************/
551		593
552	typedef struct	594	typedef struct
…		…
575	}	617	}
576		618
577	static void	619	static void
578	sighandler (int signum)	620	sighandler (int signum)
579	{	621	{
580	#if WIN32	622	#if _WIN32
581	signal (signum, sighandler);	623	signal (signum, sighandler);
582	#endif	624	#endif
583		625
584	signals [signum - 1].gotsig = 1;	626	signals [signum - 1].gotsig = 1;
585		627
586	if (!gotsig)	628	if (!gotsig)
587	{	629	{
588	int old_errno = errno;	630	int old_errno = errno;
589	gotsig = 1;	631	gotsig = 1;
590	#ifdef WIN32
591	send (sigpipe [1], &signum, 1, MSG_DONTWAIT);
592	#else
593	write (sigpipe [1], &signum, 1);	632	write (sigpipe [1], &signum, 1);
594	#endif
595	errno = old_errno;	633	errno = old_errno;
596	}	634	}
597	}	635	}
598		636
599	void	637	void
600	ev_feed_signal_event (EV_P_ int signum)	638	ev_feed_signal_event (EV_P_ int signum)
601	{	639	{
602	WL w;	640	WL w;
603		641
604	#if EV_MULTIPLICITY	642	#if EV_MULTIPLICITY
605	assert (("feeding signal events is only supported in the default loop", loop == default_loop));	643	assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
606	#endif	644	#endif
607		645
608	--signum;	646	--signum;
609		647
610	if (signum < 0 \|\| signum >= signalmax)	648	if (signum < 0 \|\| signum >= signalmax)
…		…
619	static void	657	static void
620	sigcb (EV_P_ struct ev_io *iow, int revents)	658	sigcb (EV_P_ struct ev_io *iow, int revents)
621	{	659	{
622	int signum;	660	int signum;
623		661
624	#ifdef WIN32
625	recv (sigpipe [0], &revents, 1, MSG_DONTWAIT);
626	#else
627	read (sigpipe [0], &revents, 1);	662	read (sigpipe [0], &revents, 1);
628	#endif
629	gotsig = 0;	663	gotsig = 0;
630		664
631	for (signum = signalmax; signum--; )	665	for (signum = signalmax; signum--; )
632	if (signals [signum].gotsig)	666	if (signals [signum].gotsig)
633	ev_feed_signal_event (EV_A_ signum + 1);	667	ev_feed_signal_event (EV_A_ signum + 1);
634	}	668	}
635		669
636	static void	670	static void
		671	fd_intern (int fd)
		672	{
		673	#ifdef _WIN32
		674	int arg = 1;
		675	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
		676	#else
		677	fcntl (fd, F_SETFD, FD_CLOEXEC);
		678	fcntl (fd, F_SETFL, O_NONBLOCK);
		679	#endif
		680	}
		681
		682	static void
637	siginit (EV_P)	683	siginit (EV_P)
638	{	684	{
639	#ifndef WIN32	685	fd_intern (sigpipe [0]);
640	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	686	fd_intern (sigpipe [1]);
641	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
642
643	/* rather than sort out wether we really need nb, set it */
644	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
645	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
646	#endif
647		687
648	ev_io_set (&sigev, sigpipe [0], EV_READ);	688	ev_io_set (&sigev, sigpipe [0], EV_READ);
649	ev_io_start (EV_A_ &sigev);	689	ev_io_start (EV_A_ &sigev);
650	ev_unref (EV_A); /* child watcher should not keep loop alive */	690	ev_unref (EV_A); /* child watcher should not keep loop alive */
651	}	691	}
652		692
653	/*****************************************************************************/	693	/*****************************************************************************/
654		694
655	static struct ev_child *childs [PID_HASHSIZE];	695	static struct ev_child *childs [PID_HASHSIZE];
656		696
657	#ifndef WIN32	697	#ifndef _WIN32
658		698
659	static struct ev_signal childev;	699	static struct ev_signal childev;
660		700
661	#ifndef WCONTINUED	701	#ifndef WCONTINUED
662	# define WCONTINUED 0	702	# define WCONTINUED 0
…		…
694		734
695	#endif	735	#endif
696		736
697	/*****************************************************************************/	737	/*****************************************************************************/
698		738
		739	#if EV_USE_PORT
		740	# include "ev_port.c"
		741	#endif
699	#if EV_USE_KQUEUE	742	#if EV_USE_KQUEUE
700	# include "ev_kqueue.c"	743	# include "ev_kqueue.c"
701	#endif	744	#endif
702	#if EV_USE_EPOLL	745	#if EV_USE_EPOLL
703	# include "ev_epoll.c"	746	# include "ev_epoll.c"
…		…
723		766
724	/* return true if we are running with elevated privileges and should ignore env variables */	767	/* return true if we are running with elevated privileges and should ignore env variables */
725	static int	768	static int
726	enable_secure (void)	769	enable_secure (void)
727	{	770	{
728	#ifdef WIN32	771	#ifdef _WIN32
729	return 0;	772	return 0;
730	#else	773	#else
731	return getuid () != geteuid ()	774	return getuid () != geteuid ()
732	\|\| getgid () != getegid ();	775	\|\| getgid () != getegid ();
733	#endif	776	#endif
734	}	777	}
735		778
736	int	779	unsigned int
737	ev_method (EV_P)	780	ev_method (EV_P)
738	{	781	{
739	return method;	782	return method;
740	}	783	}
741		784
742	static void	785	static void
743	loop_init (EV_P_ int methods)	786	loop_init (EV_P_ unsigned int flags)
744	{	787	{
745	if (!method)	788	if (!method)
746	{	789	{
747	#if EV_USE_MONOTONIC	790	#if EV_USE_MONOTONIC
748	{	791	{
…		…
755	ev_rt_now = ev_time ();	798	ev_rt_now = ev_time ();
756	mn_now = get_clock ();	799	mn_now = get_clock ();
757	now_floor = mn_now;	800	now_floor = mn_now;
758	rtmn_diff = ev_rt_now - mn_now;	801	rtmn_diff = ev_rt_now - mn_now;
759		802
760	if (methods == EVMETHOD_AUTO)	803	if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS"))
761	if (!enable_secure () && getenv ("LIBEV_METHODS"))
762	methods = atoi (getenv ("LIBEV_METHODS"));	804	flags = atoi (getenv ("LIBEV_FLAGS"));
763	else	805
764	methods = EVMETHOD_ANY;	806	if (!(flags & 0x0000ffff))
		807	flags \|= 0x0000ffff;
765		808
766	method = 0;	809	method = 0;
767	#if EV_USE_WIN32	810	#if EV_USE_PORT
768	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);	811	if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags);
769	#endif	812	#endif
770	#if EV_USE_KQUEUE	813	#if EV_USE_KQUEUE
771	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	814	if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags);
772	#endif	815	#endif
773	#if EV_USE_EPOLL	816	#if EV_USE_EPOLL
774	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	817	if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags);
775	#endif	818	#endif
776	#if EV_USE_POLL	819	#if EV_USE_POLL
777	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	820	if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags);
778	#endif	821	#endif
779	#if EV_USE_SELECT	822	#if EV_USE_SELECT
780	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	823	if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags);
781	#endif	824	#endif
782		825
783	ev_init (&sigev, sigcb);	826	ev_init (&sigev, sigcb);
784	ev_set_priority (&sigev, EV_MAXPRI);	827	ev_set_priority (&sigev, EV_MAXPRI);
785	}	828	}
786	}	829	}
787		830
788	void	831	static void
789	loop_destroy (EV_P)	832	loop_destroy (EV_P)
790	{	833	{
791	int i;	834	int i;
792		835
793	#if EV_USE_WIN32	836	#if EV_USE_PORT
794	if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);	837	if (method == EVMETHOD_PORT ) port_destroy (EV_A);
795	#endif	838	#endif
796	#if EV_USE_KQUEUE	839	#if EV_USE_KQUEUE
797	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);	840	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
798	#endif	841	#endif
799	#if EV_USE_EPOLL	842	#if EV_USE_EPOLL
…		…
808		851
809	for (i = NUMPRI; i--; )	852	for (i = NUMPRI; i--; )
810	array_free (pending, [i]);	853	array_free (pending, [i]);
811		854
812	/* have to use the microsoft-never-gets-it-right macro */	855	/* have to use the microsoft-never-gets-it-right macro */
813	array_free_microshit (fdchange);	856	array_free (fdchange, EMPTY0);
814	array_free_microshit (timer);	857	array_free (timer, EMPTY0);
815	#if EV_PERIODICS	858	#if EV_PERIODICS
816	array_free_microshit (periodic);	859	array_free (periodic, EMPTY0);
817	#endif	860	#endif
818	array_free_microshit (idle);	861	array_free (idle, EMPTY0);
819	array_free_microshit (prepare);	862	array_free (prepare, EMPTY0);
820	array_free_microshit (check);	863	array_free (check, EMPTY0);
821		864
822	method = 0;	865	method = 0;
823	}	866	}
824		867
825	static void	868	static void
826	loop_fork (EV_P)	869	loop_fork (EV_P)
827	{	870	{
		871	#if EV_USE_PORT
		872	if (method == EVMETHOD_PORT ) port_fork (EV_A);
		873	#endif
		874	#if EV_USE_KQUEUE
		875	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
		876	#endif
828	#if EV_USE_EPOLL	877	#if EV_USE_EPOLL
829	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);	878	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
830	#endif
831	#if EV_USE_KQUEUE
832	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
833	#endif	879	#endif
834		880
835	if (ev_is_active (&sigev))	881	if (ev_is_active (&sigev))
836	{	882	{
837	/* default loop */	883	/* default loop */
…		…
850	postfork = 0;	896	postfork = 0;
851	}	897	}
852		898
853	#if EV_MULTIPLICITY	899	#if EV_MULTIPLICITY
854	struct ev_loop *	900	struct ev_loop *
855	ev_loop_new (int methods)	901	ev_loop_new (unsigned int flags)
856	{	902	{
857	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));	903	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
858		904
859	memset (loop, 0, sizeof (struct ev_loop));	905	memset (loop, 0, sizeof (struct ev_loop));
860		906
861	loop_init (EV_A_ methods);	907	loop_init (EV_A_ flags);
862		908
863	if (ev_method (EV_A))	909	if (ev_method (EV_A))
864	return loop;	910	return loop;
865		911
866	return 0;	912	return 0;
…		…
881		927
882	#endif	928	#endif
883		929
884	#if EV_MULTIPLICITY	930	#if EV_MULTIPLICITY
885	struct ev_loop *	931	struct ev_loop *
		932	ev_default_loop_init (unsigned int flags)
886	#else	933	#else
887	int	934	int
		935	ev_default_loop (unsigned int flags)
888	#endif	936	#endif
889	ev_default_loop (int methods)
890	{	937	{
891	if (sigpipe [0] == sigpipe [1])	938	if (sigpipe [0] == sigpipe [1])
892	if (pipe (sigpipe))	939	if (pipe (sigpipe))
893	return 0;	940	return 0;
894		941
895	if (!default_loop)	942	if (!ev_default_loop_ptr)
896	{	943	{
897	#if EV_MULTIPLICITY	944	#if EV_MULTIPLICITY
898	struct ev_loop *loop = default_loop = &default_loop_struct;	945	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
899	#else	946	#else
900	default_loop = 1;	947	ev_default_loop_ptr = 1;
901	#endif	948	#endif
902		949
903	loop_init (EV_A_ methods);	950	loop_init (EV_A_ flags);
904		951
905	if (ev_method (EV_A))	952	if (ev_method (EV_A))
906	{	953	{
907	siginit (EV_A);	954	siginit (EV_A);
908		955
909	#ifndef WIN32	956	#ifndef _WIN32
910	ev_signal_init (&childev, childcb, SIGCHLD);	957	ev_signal_init (&childev, childcb, SIGCHLD);
911	ev_set_priority (&childev, EV_MAXPRI);	958	ev_set_priority (&childev, EV_MAXPRI);
912	ev_signal_start (EV_A_ &childev);	959	ev_signal_start (EV_A_ &childev);
913	ev_unref (EV_A); /* child watcher should not keep loop alive */	960	ev_unref (EV_A); /* child watcher should not keep loop alive */
914	#endif	961	#endif
915	}	962	}
916	else	963	else
917	default_loop = 0;	964	ev_default_loop_ptr = 0;
918	}	965	}
919		966
920	return default_loop;	967	return ev_default_loop_ptr;
921	}	968	}
922		969
923	void	970	void
924	ev_default_destroy (void)	971	ev_default_destroy (void)
925	{	972	{
926	#if EV_MULTIPLICITY	973	#if EV_MULTIPLICITY
927	struct ev_loop *loop = default_loop;	974	struct ev_loop *loop = ev_default_loop_ptr;
928	#endif	975	#endif
929		976
930	#ifndef WIN32	977	#ifndef _WIN32
931	ev_ref (EV_A); /* child watcher */	978	ev_ref (EV_A); /* child watcher */
932	ev_signal_stop (EV_A_ &childev);	979	ev_signal_stop (EV_A_ &childev);
933	#endif	980	#endif
934		981
935	ev_ref (EV_A); /* signal watcher */	982	ev_ref (EV_A); /* signal watcher */
…		…
943		990
944	void	991	void
945	ev_default_fork (void)	992	ev_default_fork (void)
946	{	993	{
947	#if EV_MULTIPLICITY	994	#if EV_MULTIPLICITY
948	struct ev_loop *loop = default_loop;	995	struct ev_loop *loop = ev_default_loop_ptr;
949	#endif	996	#endif
950		997
951	if (method)	998	if (method)
952	postfork = 1;	999	postfork = 1;
953	}	1000	}
…		…
964	return 1;	1011	return 1;
965		1012
966	return 0;	1013	return 0;
967	}	1014	}
968		1015
969	static void	1016	inline void
970	call_pending (EV_P)	1017	call_pending (EV_P)
971	{	1018	{
972	int pri;	1019	int pri;
973		1020
974	for (pri = NUMPRI; pri--; )	1021	for (pri = NUMPRI; pri--; )
975	while (pendingcnt [pri])	1022	while (pendingcnt [pri])
976	{	1023	{
977	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1024	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
978		1025
979	if (p->w)	1026	if (expect_true (p->w))
980	{	1027	{
981	p->w->pending = 0;	1028	p->w->pending = 0;
982	EV_CB_INVOKE (p->w, p->events);	1029	EV_CB_INVOKE (p->w, p->events);
983	}	1030	}
984	}	1031	}
985	}	1032	}
986		1033
987	static void	1034	inline void
988	timers_reify (EV_P)	1035	timers_reify (EV_P)
989	{	1036	{
990	while (timercnt && ((WT)timers [0])->at <= mn_now)	1037	while (timercnt && ((WT)timers [0])->at <= mn_now)
991	{	1038	{
992	struct ev_timer *w = timers [0];	1039	struct ev_timer *w = timers [0];
…		…
1010	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1057	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1011	}	1058	}
1012	}	1059	}
1013		1060
1014	#if EV_PERIODICS	1061	#if EV_PERIODICS
1015	static void	1062	inline void
1016	periodics_reify (EV_P)	1063	periodics_reify (EV_P)
1017	{	1064	{
1018	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)	1065	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1019	{	1066	{
1020	struct ev_periodic *w = periodics [0];	1067	struct ev_periodic *w = periodics [0];
…		…
1022	assert (("inactive timer on periodic heap detected", ev_is_active (w)));	1069	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
1023		1070
1024	/* first reschedule or stop timer */	1071	/* first reschedule or stop timer */
1025	if (w->reschedule_cb)	1072	if (w->reschedule_cb)
1026	{	1073	{
1027	ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);	1074	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
1028
1029	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));	1075	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1030	downheap ((WT *)periodics, periodiccnt, 0);	1076	downheap ((WT *)periodics, periodiccnt, 0);
1031	}	1077	}
1032	else if (w->interval)	1078	else if (w->interval)
1033	{	1079	{
…		…
1080	ev_rt_now = ev_time ();	1126	ev_rt_now = ev_time ();
1081	return 1;	1127	return 1;
1082	}	1128	}
1083	}	1129	}
1084		1130
1085	static void	1131	inline void
1086	time_update (EV_P)	1132	time_update (EV_P)
1087	{	1133	{
1088	int i;	1134	int i;
1089		1135
1090	#if EV_USE_MONOTONIC	1136	#if EV_USE_MONOTONIC
…		…
1151	ev_loop (EV_P_ int flags)	1197	ev_loop (EV_P_ int flags)
1152	{	1198	{
1153	double block;	1199	double block;
1154	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1200	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
1155		1201
1156	do	1202	while (activecnt)
1157	{	1203	{
1158	/* queue check watchers (and execute them) */	1204	/* queue check watchers (and execute them) */
1159	if (expect_false (preparecnt))	1205	if (expect_false (preparecnt))
1160	{	1206	{
1161	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1207	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
…		…
1201	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;	1247	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
1202	if (block > to) block = to;	1248	if (block > to) block = to;
1203	}	1249	}
1204	#endif	1250	#endif
1205		1251
1206	if (block < 0.) block = 0.;	1252	if (expect_false (block < 0.)) block = 0.;
1207	}	1253	}
1208		1254
1209	method_poll (EV_A_ block);	1255	method_poll (EV_A_ block);
1210		1256
1211	/* update ev_rt_now, do magic */	1257	/* update ev_rt_now, do magic */
…		…
1220	/* queue idle watchers unless io or timers are pending */	1266	/* queue idle watchers unless io or timers are pending */
1221	if (idlecnt && !any_pending (EV_A))	1267	if (idlecnt && !any_pending (EV_A))
1222	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1268	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
1223		1269
1224	/* queue check watchers, to be executed first */	1270	/* queue check watchers, to be executed first */
1225	if (checkcnt)	1271	if (expect_false (checkcnt))
1226	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1272	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1227		1273
1228	call_pending (EV_A);	1274	call_pending (EV_A);
		1275
		1276	if (expect_false (loop_done))
		1277	break;
1229	}	1278	}
1230	while (activecnt && !loop_done);
1231		1279
1232	if (loop_done != 2)	1280	if (loop_done != 2)
1233	loop_done = 0;	1281	loop_done = 0;
1234	}	1282	}
1235		1283
…		…
1295	void	1343	void
1296	ev_io_start (EV_P_ struct ev_io *w)	1344	ev_io_start (EV_P_ struct ev_io *w)
1297	{	1345	{
1298	int fd = w->fd;	1346	int fd = w->fd;
1299		1347
1300	if (ev_is_active (w))	1348	if (expect_false (ev_is_active (w)))
1301	return;	1349	return;
1302		1350
1303	assert (("ev_io_start called with negative fd", fd >= 0));	1351	assert (("ev_io_start called with negative fd", fd >= 0));
1304		1352
1305	ev_start (EV_A_ (W)w, 1);	1353	ev_start (EV_A_ (W)w, 1);
…		…
1311		1359
1312	void	1360	void
1313	ev_io_stop (EV_P_ struct ev_io *w)	1361	ev_io_stop (EV_P_ struct ev_io *w)
1314	{	1362	{
1315	ev_clear_pending (EV_A_ (W)w);	1363	ev_clear_pending (EV_A_ (W)w);
1316	if (!ev_is_active (w))	1364	if (expect_false (!ev_is_active (w)))
1317	return;	1365	return;
1318		1366
1319	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	1367	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1320		1368
1321	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1369	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
…		…
1325	}	1373	}
1326		1374
1327	void	1375	void
1328	ev_timer_start (EV_P_ struct ev_timer *w)	1376	ev_timer_start (EV_P_ struct ev_timer *w)
1329	{	1377	{
1330	if (ev_is_active (w))	1378	if (expect_false (ev_is_active (w)))
1331	return;	1379	return;
1332		1380
1333	((WT)w)->at += mn_now;	1381	((WT)w)->at += mn_now;
1334		1382
1335	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1383	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1336		1384
1337	ev_start (EV_A_ (W)w, ++timercnt);	1385	ev_start (EV_A_ (W)w, ++timercnt);
1338	array_needsize (struct ev_timer *, timers, timermax, timercnt, (void));	1386	array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2);
1339	timers [timercnt - 1] = w;	1387	timers [timercnt - 1] = w;
1340	upheap ((WT *)timers, timercnt - 1);	1388	upheap ((WT *)timers, timercnt - 1);
1341		1389
1342	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1390	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1343	}	1391	}
1344		1392
1345	void	1393	void
1346	ev_timer_stop (EV_P_ struct ev_timer *w)	1394	ev_timer_stop (EV_P_ struct ev_timer *w)
1347	{	1395	{
1348	ev_clear_pending (EV_A_ (W)w);	1396	ev_clear_pending (EV_A_ (W)w);
1349	if (!ev_is_active (w))	1397	if (expect_false (!ev_is_active (w)))
1350	return;	1398	return;
1351		1399
1352	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1400	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1353		1401
1354	if (((W)w)->active < timercnt--)	1402	if (expect_true (((W)w)->active < timercnt--))
1355	{	1403	{
1356	timers [((W)w)->active - 1] = timers [timercnt];	1404	timers [((W)w)->active - 1] = timers [timercnt];
1357	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1405	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1358	}	1406	}
1359		1407
1360	((WT)w)->at -= mn_now;	1408	((WT)w)->at -= mn_now;
1361		1409
1362	ev_stop (EV_A_ (W)w);	1410	ev_stop (EV_A_ (W)w);
…		…
1366	ev_timer_again (EV_P_ struct ev_timer *w)	1414	ev_timer_again (EV_P_ struct ev_timer *w)
1367	{	1415	{
1368	if (ev_is_active (w))	1416	if (ev_is_active (w))
1369	{	1417	{
1370	if (w->repeat)	1418	if (w->repeat)
		1419	{
		1420	((WT)w)->at = mn_now + w->repeat;
1371	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1, mn_now + w->repeat);	1421	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
		1422	}
1372	else	1423	else
1373	ev_timer_stop (EV_A_ w);	1424	ev_timer_stop (EV_A_ w);
1374	}	1425	}
1375	else if (w->repeat)	1426	else if (w->repeat)
		1427	{
		1428	w->at = w->repeat;
1376	ev_timer_start (EV_A_ w);	1429	ev_timer_start (EV_A_ w);
		1430	}
1377	}	1431	}
1378		1432
1379	#if EV_PERIODICS	1433	#if EV_PERIODICS
1380	void	1434	void
1381	ev_periodic_start (EV_P_ struct ev_periodic *w)	1435	ev_periodic_start (EV_P_ struct ev_periodic *w)
1382	{	1436	{
1383	if (ev_is_active (w))	1437	if (expect_false (ev_is_active (w)))
1384	return;	1438	return;
1385		1439
1386	if (w->reschedule_cb)	1440	if (w->reschedule_cb)
1387	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1441	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1388	else if (w->interval)	1442	else if (w->interval)
…		…
1391	/* this formula differs from the one in periodic_reify because we do not always round up */	1445	/* this formula differs from the one in periodic_reify because we do not always round up */
1392	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;	1446	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
1393	}	1447	}
1394		1448
1395	ev_start (EV_A_ (W)w, ++periodiccnt);	1449	ev_start (EV_A_ (W)w, ++periodiccnt);
1396	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void));	1450	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1397	periodics [periodiccnt - 1] = w;	1451	periodics [periodiccnt - 1] = w;
1398	upheap ((WT *)periodics, periodiccnt - 1);	1452	upheap ((WT *)periodics, periodiccnt - 1);
1399		1453
1400	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1454	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1401	}	1455	}
1402		1456
1403	void	1457	void
1404	ev_periodic_stop (EV_P_ struct ev_periodic *w)	1458	ev_periodic_stop (EV_P_ struct ev_periodic *w)
1405	{	1459	{
1406	ev_clear_pending (EV_A_ (W)w);	1460	ev_clear_pending (EV_A_ (W)w);
1407	if (!ev_is_active (w))	1461	if (expect_false (!ev_is_active (w)))
1408	return;	1462	return;
1409		1463
1410	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1464	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1411		1465
1412	if (((W)w)->active < periodiccnt--)	1466	if (expect_true (((W)w)->active < periodiccnt--))
1413	{	1467	{
1414	periodics [((W)w)->active - 1] = periodics [periodiccnt];	1468	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1415	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);	1469	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1416	}	1470	}
1417		1471
1418	ev_stop (EV_A_ (W)w);	1472	ev_stop (EV_A_ (W)w);
1419	}	1473	}
1420		1474
…		…
1428	#endif	1482	#endif
1429		1483
1430	void	1484	void
1431	ev_idle_start (EV_P_ struct ev_idle *w)	1485	ev_idle_start (EV_P_ struct ev_idle *w)
1432	{	1486	{
1433	if (ev_is_active (w))	1487	if (expect_false (ev_is_active (w)))
1434	return;	1488	return;
1435		1489
1436	ev_start (EV_A_ (W)w, ++idlecnt);	1490	ev_start (EV_A_ (W)w, ++idlecnt);
1437	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void));	1491	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1438	idles [idlecnt - 1] = w;	1492	idles [idlecnt - 1] = w;
1439	}	1493	}
1440		1494
1441	void	1495	void
1442	ev_idle_stop (EV_P_ struct ev_idle *w)	1496	ev_idle_stop (EV_P_ struct ev_idle *w)
1443	{	1497	{
1444	ev_clear_pending (EV_A_ (W)w);	1498	ev_clear_pending (EV_A_ (W)w);
1445	if (ev_is_active (w))	1499	if (expect_false (!ev_is_active (w)))
1446	return;	1500	return;
1447		1501
1448	idles [((W)w)->active - 1] = idles [--idlecnt];	1502	idles [((W)w)->active - 1] = idles [--idlecnt];
1449	ev_stop (EV_A_ (W)w);	1503	ev_stop (EV_A_ (W)w);
1450	}	1504	}
1451		1505
1452	void	1506	void
1453	ev_prepare_start (EV_P_ struct ev_prepare *w)	1507	ev_prepare_start (EV_P_ struct ev_prepare *w)
1454	{	1508	{
1455	if (ev_is_active (w))	1509	if (expect_false (ev_is_active (w)))
1456	return;	1510	return;
1457		1511
1458	ev_start (EV_A_ (W)w, ++preparecnt);	1512	ev_start (EV_A_ (W)w, ++preparecnt);
1459	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void));	1513	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1460	prepares [preparecnt - 1] = w;	1514	prepares [preparecnt - 1] = w;
1461	}	1515	}
1462		1516
1463	void	1517	void
1464	ev_prepare_stop (EV_P_ struct ev_prepare *w)	1518	ev_prepare_stop (EV_P_ struct ev_prepare *w)
1465	{	1519	{
1466	ev_clear_pending (EV_A_ (W)w);	1520	ev_clear_pending (EV_A_ (W)w);
1467	if (ev_is_active (w))	1521	if (expect_false (!ev_is_active (w)))
1468	return;	1522	return;
1469		1523
1470	prepares [((W)w)->active - 1] = prepares [--preparecnt];	1524	prepares [((W)w)->active - 1] = prepares [--preparecnt];
1471	ev_stop (EV_A_ (W)w);	1525	ev_stop (EV_A_ (W)w);
1472	}	1526	}
1473		1527
1474	void	1528	void
1475	ev_check_start (EV_P_ struct ev_check *w)	1529	ev_check_start (EV_P_ struct ev_check *w)
1476	{	1530	{
1477	if (ev_is_active (w))	1531	if (expect_false (ev_is_active (w)))
1478	return;	1532	return;
1479		1533
1480	ev_start (EV_A_ (W)w, ++checkcnt);	1534	ev_start (EV_A_ (W)w, ++checkcnt);
1481	array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void));	1535	array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2);
1482	checks [checkcnt - 1] = w;	1536	checks [checkcnt - 1] = w;
1483	}	1537	}
1484		1538
1485	void	1539	void
1486	ev_check_stop (EV_P_ struct ev_check *w)	1540	ev_check_stop (EV_P_ struct ev_check *w)
1487	{	1541	{
1488	ev_clear_pending (EV_A_ (W)w);	1542	ev_clear_pending (EV_A_ (W)w);
1489	if (!ev_is_active (w))	1543	if (expect_false (!ev_is_active (w)))
1490	return;	1544	return;
1491		1545
1492	checks [((W)w)->active - 1] = checks [--checkcnt];	1546	checks [((W)w)->active - 1] = checks [--checkcnt];
1493	ev_stop (EV_A_ (W)w);	1547	ev_stop (EV_A_ (W)w);
1494	}	1548	}
…		…
1499		1553
1500	void	1554	void
1501	ev_signal_start (EV_P_ struct ev_signal *w)	1555	ev_signal_start (EV_P_ struct ev_signal *w)
1502	{	1556	{
1503	#if EV_MULTIPLICITY	1557	#if EV_MULTIPLICITY
1504	assert (("signal watchers are only supported in the default loop", loop == default_loop));	1558	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1505	#endif	1559	#endif
1506	if (ev_is_active (w))	1560	if (expect_false (ev_is_active (w)))
1507	return;	1561	return;
1508		1562
1509	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1563	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1510		1564
1511	ev_start (EV_A_ (W)w, 1);	1565	ev_start (EV_A_ (W)w, 1);
1512	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);	1566	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1513	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1567	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1514		1568
1515	if (!((WL)w)->next)	1569	if (!((WL)w)->next)
1516	{	1570	{
1517	#if WIN32	1571	#if _WIN32
1518	signal (w->signum, sighandler);	1572	signal (w->signum, sighandler);
1519	#else	1573	#else
1520	struct sigaction sa;	1574	struct sigaction sa;
1521	sa.sa_handler = sighandler;	1575	sa.sa_handler = sighandler;
1522	sigfillset (&sa.sa_mask);	1576	sigfillset (&sa.sa_mask);
…		…
1528		1582
1529	void	1583	void
1530	ev_signal_stop (EV_P_ struct ev_signal *w)	1584	ev_signal_stop (EV_P_ struct ev_signal *w)
1531	{	1585	{
1532	ev_clear_pending (EV_A_ (W)w);	1586	ev_clear_pending (EV_A_ (W)w);
1533	if (!ev_is_active (w))	1587	if (expect_false (!ev_is_active (w)))
1534	return;	1588	return;
1535		1589
1536	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1590	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1537	ev_stop (EV_A_ (W)w);	1591	ev_stop (EV_A_ (W)w);
1538		1592
…		…
1542		1596
1543	void	1597	void
1544	ev_child_start (EV_P_ struct ev_child *w)	1598	ev_child_start (EV_P_ struct ev_child *w)
1545	{	1599	{
1546	#if EV_MULTIPLICITY	1600	#if EV_MULTIPLICITY
1547	assert (("child watchers are only supported in the default loop", loop == default_loop));	1601	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1548	#endif	1602	#endif
1549	if (ev_is_active (w))	1603	if (expect_false (ev_is_active (w)))
1550	return;	1604	return;
1551		1605
1552	ev_start (EV_A_ (W)w, 1);	1606	ev_start (EV_A_ (W)w, 1);
1553	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1607	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1554	}	1608	}
1555		1609
1556	void	1610	void
1557	ev_child_stop (EV_P_ struct ev_child *w)	1611	ev_child_stop (EV_P_ struct ev_child *w)
1558	{	1612	{
1559	ev_clear_pending (EV_A_ (W)w);	1613	ev_clear_pending (EV_A_ (W)w);
1560	if (!ev_is_active (w))	1614	if (expect_false (!ev_is_active (w)))
1561	return;	1615	return;
1562		1616
1563	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1617	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1564	ev_stop (EV_A_ (W)w);	1618	ev_stop (EV_A_ (W)w);
1565	}	1619	}
…		…
1602	void	1656	void
1603	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1657	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1604	{	1658	{
1605	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));	1659	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1606		1660
1607	if (!once)	1661	if (expect_false (!once))
		1662	{
1608	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1663	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1609	else	1664	return;
1610	{	1665	}
		1666
1611	once->cb = cb;	1667	once->cb = cb;
1612	once->arg = arg;	1668	once->arg = arg;
1613		1669
1614	ev_init (&once->io, once_cb_io);	1670	ev_init (&once->io, once_cb_io);
1615	if (fd >= 0)	1671	if (fd >= 0)
1616	{	1672	{
1617	ev_io_set (&once->io, fd, events);	1673	ev_io_set (&once->io, fd, events);
1618	ev_io_start (EV_A_ &once->io);	1674	ev_io_start (EV_A_ &once->io);
1619	}	1675	}
1620		1676
1621	ev_init (&once->to, once_cb_to);	1677	ev_init (&once->to, once_cb_to);
1622	if (timeout >= 0.)	1678	if (timeout >= 0.)
1623	{	1679	{
1624	ev_timer_set (&once->to, timeout, 0.);	1680	ev_timer_set (&once->to, timeout, 0.);
1625	ev_timer_start (EV_A_ &once->to);	1681	ev_timer_start (EV_A_ &once->to);
1626	}
1627	}	1682	}
1628	}	1683	}
1629		1684
1630	#ifdef __cplusplus	1685	#ifdef __cplusplus
1631	}	1686	}

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Comparing libev/ev.c (file contents): Revision 1.98 by root, Sun Nov 11 02:05:20 2007 UTC vs. Revision 1.126 by root, Sun Nov 18 01:25:23 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.98 by root, Sun Nov 11 02:05:20 2007 UTC vs.
Revision 1.126 by root, Sun Nov 18 01:25:23 2007 UTC