[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 1.127 by root, Sun Nov 18 02:17:57 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	# ifndef EV_USE_SELECT
		56	# if HAVE_SELECT && HAVE_SYS_SELECT_H
49	# define EV_USE_SELECT 1	57	# define EV_USE_SELECT 1
		58	# else
		59	# define EV_USE_SELECT 0
		60	# endif
50	# endif	61	# endif
51		62
52	# if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL)	63	# ifndef EV_USE_POLL
		64	# if HAVE_POLL && HAVE_POLL_H
53	# define EV_USE_POLL 1	65	# define EV_USE_POLL 1
		66	# else
		67	# define EV_USE_POLL 0
		68	# endif
54	# endif	69	# endif
55		70
56	# if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL)	71	# ifndef EV_USE_EPOLL
		72	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
57	# define EV_USE_EPOLL 1	73	# define EV_USE_EPOLL 1
		74	# else
		75	# define EV_USE_EPOLL 0
		76	# endif
58	# endif	77	# endif
59		78
		79	# ifndef EV_USE_KQUEUE
60	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE)	80	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H
61	# define EV_USE_KQUEUE 1	81	# define EV_USE_KQUEUE 1
		82	# else
		83	# define EV_USE_KQUEUE 0
		84	# endif
		85	# endif
		86
		87	# ifndef EV_USE_PORT
		88	# if HAVE_PORT_H && HAVE_PORT_CREATE
		89	# define EV_USE_PORT 1
		90	# else
		91	# define EV_USE_PORT 0
		92	# endif
62	# endif	93	# endif
63		94
64	#endif	95	#endif
65		96
66	#include <math.h>	97	#include <math.h>
…		…
75	#include <sys/types.h>	106	#include <sys/types.h>
76	#include <time.h>	107	#include <time.h>
77		108
78	#include <signal.h>	109	#include <signal.h>
79		110
80	#ifndef WIN32	111	#ifndef _WIN32
81	# include <unistd.h>	112	# include <unistd.h>
82	# include <sys/time.h>	113	# include <sys/time.h>
83	# include <sys/wait.h>	114	# include <sys/wait.h>
		115	#else
		116	# define WIN32_LEAN_AND_MEAN
		117	# include <windows.h>
		118	# ifndef EV_SELECT_IS_WINSOCKET
		119	# define EV_SELECT_IS_WINSOCKET 1
84	#endif	120	# endif
		121	#endif
		122
85	/**/	123	/**/
86		124
87	#ifndef EV_USE_MONOTONIC	125	#ifndef EV_USE_MONOTONIC
88	# define EV_USE_MONOTONIC 1	126	# define EV_USE_MONOTONIC 0
		127	#endif
		128
		129	#ifndef EV_USE_REALTIME
		130	# define EV_USE_REALTIME 0
89	#endif	131	#endif
90		132
91	#ifndef EV_USE_SELECT	133	#ifndef EV_USE_SELECT
92	# define EV_USE_SELECT 1	134	# define EV_USE_SELECT 1
93	#endif	135	#endif
94		136
95	#ifndef EV_USE_POLL	137	#ifndef EV_USE_POLL
96	# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */	138	# ifdef _WIN32
		139	# define EV_USE_POLL 0
		140	# else
		141	# define EV_USE_POLL 1
		142	# endif
97	#endif	143	#endif
98		144
99	#ifndef EV_USE_EPOLL	145	#ifndef EV_USE_EPOLL
100	# define EV_USE_EPOLL 0	146	# define EV_USE_EPOLL 0
101	#endif	147	#endif
102		148
103	#ifndef EV_USE_KQUEUE	149	#ifndef EV_USE_KQUEUE
104	# define EV_USE_KQUEUE 0	150	# define EV_USE_KQUEUE 0
105	#endif	151	#endif
106		152
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	153	#ifndef EV_USE_PORT
118	# define EV_USE_REALTIME 1	154	# define EV_USE_PORT 0
119	#endif	155	#endif
120		156
121	/**/	157	/**/
		158
		159	/* darwin simply cannot be helped */
		160	#ifdef __APPLE__
		161	# undef EV_USE_POLL
		162	# undef EV_USE_KQUEUE
		163	#endif
122		164
123	#ifndef CLOCK_MONOTONIC	165	#ifndef CLOCK_MONOTONIC
124	# undef EV_USE_MONOTONIC	166	# undef EV_USE_MONOTONIC
125	# define EV_USE_MONOTONIC 0	167	# define EV_USE_MONOTONIC 0
126	#endif	168	#endif
…		…
128	#ifndef CLOCK_REALTIME	170	#ifndef CLOCK_REALTIME
129	# undef EV_USE_REALTIME	171	# undef EV_USE_REALTIME
130	# define EV_USE_REALTIME 0	172	# define EV_USE_REALTIME 0
131	#endif	173	#endif
132		174
		175	#if EV_SELECT_IS_WINSOCKET
		176	# include <winsock.h>
		177	#endif
		178
133	/**/	179	/**/
134		180
135	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	181	#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) */	182	#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 */	183	#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 */	184	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds */
139		185
140	#ifdef EV_H	186	#ifdef EV_H
141	# include EV_H	187	# include EV_H
142	#else	188	#else
143	# include "ev.h"	189	# include "ev.h"
144	#endif	190	#endif
145		191
146	#if __GNUC__ >= 3	192	#if __GNUC__ >= 3
147	# define expect(expr,value) __builtin_expect ((expr),(value))	193	# define expect(expr,value) __builtin_expect ((expr),(value))
148	# define inline inline	194	# define inline static inline
149	#else	195	#else
150	# define expect(expr,value) (expr)	196	# define expect(expr,value) (expr)
151	# define inline static	197	# define inline static
152	#endif	198	#endif
153		199
…		…
155	#define expect_true(expr) expect ((expr) != 0, 1)	201	#define expect_true(expr) expect ((expr) != 0, 1)
156		202
157	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	203	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
158	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	204	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
159		205
		206	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
		207	#define EMPTY2(a,b) /* used to suppress some warnings */
		208
160	typedef struct ev_watcher *W;	209	typedef struct ev_watcher *W;
161	typedef struct ev_watcher_list *WL;	210	typedef struct ev_watcher_list *WL;
162	typedef struct ev_watcher_time *WT;	211	typedef struct ev_watcher_time *WT;
163		212
164	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	213	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
165		214
166	#ifdef WIN32	215	#ifdef _WIN32
167	# include "ev_win32.c"	216	# include "ev_win32.c"
168	#endif	217	#endif
169		218
170	/*****************************************************************************/	219	/*****************************************************************************/
171		220
…		…
220	typedef struct	269	typedef struct
221	{	270	{
222	WL head;	271	WL head;
223	unsigned char events;	272	unsigned char events;
224	unsigned char reify;	273	unsigned char reify;
		274	#if EV_SELECT_IS_WINSOCKET
		275	SOCKET handle;
		276	#endif
225	} ANFD;	277	} ANFD;
226		278
227	typedef struct	279	typedef struct
228	{	280	{
229	W w;	281	W w;
…		…
233	#if EV_MULTIPLICITY	285	#if EV_MULTIPLICITY
234		286
235	struct ev_loop	287	struct ev_loop
236	{	288	{
237	ev_tstamp ev_rt_now;	289	ev_tstamp ev_rt_now;
		290	#define ev_rt_now ((loop)->ev_rt_now)
238	#define VAR(name,decl) decl;	291	#define VAR(name,decl) decl;
239	#include "ev_vars.h"	292	#include "ev_vars.h"
240	#undef VAR	293	#undef VAR
241	};	294	};
242	#include "ev_wrap.h"	295	#include "ev_wrap.h"
243		296
244	struct ev_loop default_loop_struct;	297	static struct ev_loop default_loop_struct;
245	static struct ev_loop *default_loop;	298	struct ev_loop *ev_default_loop_ptr;
246		299
247	#else	300	#else
248		301
249	ev_tstamp ev_rt_now;	302	ev_tstamp ev_rt_now;
250	#define VAR(name,decl) static decl;	303	#define VAR(name,decl) static decl;
251	#include "ev_vars.h"	304	#include "ev_vars.h"
252	#undef VAR	305	#undef VAR
253		306
254	static int default_loop;	307	static int ev_default_loop_ptr;
255		308
256	#endif	309	#endif
257		310
258	/*****************************************************************************/	311	/*****************************************************************************/
259		312
…		…
292	{	345	{
293	return ev_rt_now;	346	return ev_rt_now;
294	}	347	}
295	#endif	348	#endif
296		349
297	#define array_roundsize(type,n) ((n) \| 4 & ~3)	350	#define array_roundsize(type,n) (((n) \| 4) & ~3)
298		351
299	#define array_needsize(type,base,cur,cnt,init) \	352	#define array_needsize(type,base,cur,cnt,init) \
300	if (expect_false ((cnt) > cur)) \	353	if (expect_false ((cnt) > cur)) \
301	{ \	354	{ \
302	int newcnt = cur; \	355	int newcnt = cur; \
…		…
317	stem ## max = array_roundsize (stem ## cnt >> 1); \	370	stem ## max = array_roundsize (stem ## cnt >> 1); \
318	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\	371	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
319	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\	372	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
320	}	373	}
321		374
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) \	375	#define array_free(stem, idx) \
328	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;	376	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
329		377
330	/*****************************************************************************/	378	/*****************************************************************************/
331		379
…		…
345	void	393	void
346	ev_feed_event (EV_P_ void *w, int revents)	394	ev_feed_event (EV_P_ void *w, int revents)
347	{	395	{
348	W w_ = (W)w;	396	W w_ = (W)w;
349		397
350	if (w_->pending)	398	if (expect_false (w_->pending))
351	{	399	{
352	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;	400	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
353	return;	401	return;
354	}	402	}
355		403
356	w_->pending = ++pendingcnt [ABSPRI (w_)];	404	w_->pending = ++pendingcnt [ABSPRI (w_)];
357	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void));	405	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
358	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;	406	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
359	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;	407	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
360	}	408	}
361		409
362	static void	410	static void
…		…
389	fd_event (EV_A_ fd, revents);	437	fd_event (EV_A_ fd, revents);
390	}	438	}
391		439
392	/*****************************************************************************/	440	/*****************************************************************************/
393		441
394	static void	442	inline void
395	fd_reify (EV_P)	443	fd_reify (EV_P)
396	{	444	{
397	int i;	445	int i;
398		446
399	for (i = 0; i < fdchangecnt; ++i)	447	for (i = 0; i < fdchangecnt; ++i)
…		…
405	int events = 0;	453	int events = 0;
406		454
407	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	455	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
408	events \|= w->events;	456	events \|= w->events;
409		457
		458	#if EV_SELECT_IS_WINSOCKET
		459	if (events)
		460	{
		461	unsigned long argp;
		462	anfd->handle = _get_osfhandle (fd);
		463	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
		464	}
		465	#endif
		466
410	anfd->reify = 0;	467	anfd->reify = 0;
411		468
412	method_modify (EV_A_ fd, anfd->events, events);	469	method_modify (EV_A_ fd, anfd->events, events);
413	anfd->events = events;	470	anfd->events = events;
414	}	471	}
…		…
417	}	474	}
418		475
419	static void	476	static void
420	fd_change (EV_P_ int fd)	477	fd_change (EV_P_ int fd)
421	{	478	{
422	if (anfds [fd].reify)	479	if (expect_false (anfds [fd].reify))
423	return;	480	return;
424		481
425	anfds [fd].reify = 1;	482	anfds [fd].reify = 1;
426		483
427	++fdchangecnt;	484	++fdchangecnt;
428	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void));	485	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
429	fdchanges [fdchangecnt - 1] = fd;	486	fdchanges [fdchangecnt - 1] = fd;
430	}	487	}
431		488
432	static void	489	static void
433	fd_kill (EV_P_ int fd)	490	fd_kill (EV_P_ int fd)
…		…
439	ev_io_stop (EV_A_ w);	496	ev_io_stop (EV_A_ w);
440	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	497	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
441	}	498	}
442	}	499	}
443		500
444	static int	501	inline int
445	fd_valid (int fd)	502	fd_valid (int fd)
446	{	503	{
447	#ifdef WIN32	504	#ifdef _WIN32
448	return !!win32_get_osfhandle (fd);	505	return _get_osfhandle (fd) != -1;
449	#else	506	#else
450	return fcntl (fd, F_GETFD) != -1;	507	return fcntl (fd, F_GETFD) != -1;
451	#endif	508	#endif
452	}	509	}
453		510
…		…
534	heap [k] = w;	591	heap [k] = w;
535	((W)heap [k])->active = k + 1;	592	((W)heap [k])->active = k + 1;
536	}	593	}
537		594
538	inline void	595	inline void
539	adjustheap (WT *heap, int N, int k, ev_tstamp at)	596	adjustheap (WT *heap, int N, int k)
540	{	597	{
541	ev_tstamp old_at = heap [k]->at;	598	upheap (heap, k);
542	heap [k]->at = at;
543
544	if (old_at < at)
545	downheap (heap, N, k);	599	downheap (heap, N, k);
546	else
547	upheap (heap, k);
548	}	600	}
549		601
550	/*****************************************************************************/	602	/*****************************************************************************/
551		603
552	typedef struct	604	typedef struct
…		…
575	}	627	}
576		628
577	static void	629	static void
578	sighandler (int signum)	630	sighandler (int signum)
579	{	631	{
580	#if WIN32	632	#if _WIN32
581	signal (signum, sighandler);	633	signal (signum, sighandler);
582	#endif	634	#endif
583		635
584	signals [signum - 1].gotsig = 1;	636	signals [signum - 1].gotsig = 1;
585		637
586	if (!gotsig)	638	if (!gotsig)
587	{	639	{
588	int old_errno = errno;	640	int old_errno = errno;
589	gotsig = 1;	641	gotsig = 1;
590	#ifdef WIN32
591	send (sigpipe [1], &signum, 1, MSG_DONTWAIT);
592	#else
593	write (sigpipe [1], &signum, 1);	642	write (sigpipe [1], &signum, 1);
594	#endif
595	errno = old_errno;	643	errno = old_errno;
596	}	644	}
597	}	645	}
598		646
599	void	647	void
600	ev_feed_signal_event (EV_P_ int signum)	648	ev_feed_signal_event (EV_P_ int signum)
601	{	649	{
602	WL w;	650	WL w;
603		651
604	#if EV_MULTIPLICITY	652	#if EV_MULTIPLICITY
605	assert (("feeding signal events is only supported in the default loop", loop == default_loop));	653	assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
606	#endif	654	#endif
607		655
608	--signum;	656	--signum;
609		657
610	if (signum < 0 \|\| signum >= signalmax)	658	if (signum < 0 \|\| signum >= signalmax)
…		…
619	static void	667	static void
620	sigcb (EV_P_ struct ev_io *iow, int revents)	668	sigcb (EV_P_ struct ev_io *iow, int revents)
621	{	669	{
622	int signum;	670	int signum;
623		671
624	#ifdef WIN32
625	recv (sigpipe [0], &revents, 1, MSG_DONTWAIT);
626	#else
627	read (sigpipe [0], &revents, 1);	672	read (sigpipe [0], &revents, 1);
628	#endif
629	gotsig = 0;	673	gotsig = 0;
630		674
631	for (signum = signalmax; signum--; )	675	for (signum = signalmax; signum--; )
632	if (signals [signum].gotsig)	676	if (signals [signum].gotsig)
633	ev_feed_signal_event (EV_A_ signum + 1);	677	ev_feed_signal_event (EV_A_ signum + 1);
634	}	678	}
635		679
636	static void	680	static void
		681	fd_intern (int fd)
		682	{
		683	#ifdef _WIN32
		684	int arg = 1;
		685	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
		686	#else
		687	fcntl (fd, F_SETFD, FD_CLOEXEC);
		688	fcntl (fd, F_SETFL, O_NONBLOCK);
		689	#endif
		690	}
		691
		692	static void
637	siginit (EV_P)	693	siginit (EV_P)
638	{	694	{
639	#ifndef WIN32	695	fd_intern (sigpipe [0]);
640	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	696	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		697
648	ev_io_set (&sigev, sigpipe [0], EV_READ);	698	ev_io_set (&sigev, sigpipe [0], EV_READ);
649	ev_io_start (EV_A_ &sigev);	699	ev_io_start (EV_A_ &sigev);
650	ev_unref (EV_A); /* child watcher should not keep loop alive */	700	ev_unref (EV_A); /* child watcher should not keep loop alive */
651	}	701	}
652		702
653	/*****************************************************************************/	703	/*****************************************************************************/
654		704
655	static struct ev_child *childs [PID_HASHSIZE];	705	static struct ev_child *childs [PID_HASHSIZE];
656		706
657	#ifndef WIN32	707	#ifndef _WIN32
658		708
659	static struct ev_signal childev;	709	static struct ev_signal childev;
660		710
661	#ifndef WCONTINUED	711	#ifndef WCONTINUED
662	# define WCONTINUED 0	712	# define WCONTINUED 0
…		…
694		744
695	#endif	745	#endif
696		746
697	/*****************************************************************************/	747	/*****************************************************************************/
698		748
		749	#if EV_USE_PORT
		750	# include "ev_port.c"
		751	#endif
699	#if EV_USE_KQUEUE	752	#if EV_USE_KQUEUE
700	# include "ev_kqueue.c"	753	# include "ev_kqueue.c"
701	#endif	754	#endif
702	#if EV_USE_EPOLL	755	#if EV_USE_EPOLL
703	# include "ev_epoll.c"	756	# include "ev_epoll.c"
…		…
723		776
724	/* return true if we are running with elevated privileges and should ignore env variables */	777	/* return true if we are running with elevated privileges and should ignore env variables */
725	static int	778	static int
726	enable_secure (void)	779	enable_secure (void)
727	{	780	{
728	#ifdef WIN32	781	#ifdef _WIN32
729	return 0;	782	return 0;
730	#else	783	#else
731	return getuid () != geteuid ()	784	return getuid () != geteuid ()
732	\|\| getgid () != getegid ();	785	\|\| getgid () != getegid ();
733	#endif	786	#endif
734	}	787	}
735		788
736	int	789	unsigned int
737	ev_method (EV_P)	790	ev_method (EV_P)
738	{	791	{
739	return method;	792	return method;
740	}	793	}
741		794
742	static void	795	static void
743	loop_init (EV_P_ int methods)	796	loop_init (EV_P_ unsigned int flags)
744	{	797	{
745	if (!method)	798	if (!method)
746	{	799	{
747	#if EV_USE_MONOTONIC	800	#if EV_USE_MONOTONIC
748	{	801	{
…		…
755	ev_rt_now = ev_time ();	808	ev_rt_now = ev_time ();
756	mn_now = get_clock ();	809	mn_now = get_clock ();
757	now_floor = mn_now;	810	now_floor = mn_now;
758	rtmn_diff = ev_rt_now - mn_now;	811	rtmn_diff = ev_rt_now - mn_now;
759		812
760	if (methods == EVMETHOD_AUTO)	813	if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS"))
761	if (!enable_secure () && getenv ("LIBEV_METHODS"))
762	methods = atoi (getenv ("LIBEV_METHODS"));	814	flags = atoi (getenv ("LIBEV_FLAGS"));
763	else	815
764	methods = EVMETHOD_ANY;	816	if (!(flags & 0x0000ffff))
		817	flags \|= 0x0000ffff;
765		818
766	method = 0;	819	method = 0;
767	#if EV_USE_WIN32	820	#if EV_USE_PORT
768	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);	821	if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags);
769	#endif	822	#endif
770	#if EV_USE_KQUEUE	823	#if EV_USE_KQUEUE
771	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	824	if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags);
772	#endif	825	#endif
773	#if EV_USE_EPOLL	826	#if EV_USE_EPOLL
774	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	827	if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags);
775	#endif	828	#endif
776	#if EV_USE_POLL	829	#if EV_USE_POLL
777	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	830	if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags);
778	#endif	831	#endif
779	#if EV_USE_SELECT	832	#if EV_USE_SELECT
780	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	833	if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags);
781	#endif	834	#endif
782		835
783	ev_init (&sigev, sigcb);	836	ev_init (&sigev, sigcb);
784	ev_set_priority (&sigev, EV_MAXPRI);	837	ev_set_priority (&sigev, EV_MAXPRI);
785	}	838	}
786	}	839	}
787		840
788	void	841	static void
789	loop_destroy (EV_P)	842	loop_destroy (EV_P)
790	{	843	{
791	int i;	844	int i;
792		845
793	#if EV_USE_WIN32	846	#if EV_USE_PORT
794	if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);	847	if (method == EVMETHOD_PORT ) port_destroy (EV_A);
795	#endif	848	#endif
796	#if EV_USE_KQUEUE	849	#if EV_USE_KQUEUE
797	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);	850	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
798	#endif	851	#endif
799	#if EV_USE_EPOLL	852	#if EV_USE_EPOLL
…		…
808		861
809	for (i = NUMPRI; i--; )	862	for (i = NUMPRI; i--; )
810	array_free (pending, [i]);	863	array_free (pending, [i]);
811		864
812	/* have to use the microsoft-never-gets-it-right macro */	865	/* have to use the microsoft-never-gets-it-right macro */
813	array_free_microshit (fdchange);	866	array_free (fdchange, EMPTY0);
814	array_free_microshit (timer);	867	array_free (timer, EMPTY0);
815	#if EV_PERIODICS	868	#if EV_PERIODICS
816	array_free_microshit (periodic);	869	array_free (periodic, EMPTY0);
817	#endif	870	#endif
818	array_free_microshit (idle);	871	array_free (idle, EMPTY0);
819	array_free_microshit (prepare);	872	array_free (prepare, EMPTY0);
820	array_free_microshit (check);	873	array_free (check, EMPTY0);
821		874
822	method = 0;	875	method = 0;
823	}	876	}
824		877
825	static void	878	static void
826	loop_fork (EV_P)	879	loop_fork (EV_P)
827	{	880	{
		881	#if EV_USE_PORT
		882	if (method == EVMETHOD_PORT ) port_fork (EV_A);
		883	#endif
		884	#if EV_USE_KQUEUE
		885	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
		886	#endif
828	#if EV_USE_EPOLL	887	#if EV_USE_EPOLL
829	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);	888	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	889	#endif
834		890
835	if (ev_is_active (&sigev))	891	if (ev_is_active (&sigev))
836	{	892	{
837	/* default loop */	893	/* default loop */
…		…
850	postfork = 0;	906	postfork = 0;
851	}	907	}
852		908
853	#if EV_MULTIPLICITY	909	#if EV_MULTIPLICITY
854	struct ev_loop *	910	struct ev_loop *
855	ev_loop_new (int methods)	911	ev_loop_new (unsigned int flags)
856	{	912	{
857	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));	913	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
858		914
859	memset (loop, 0, sizeof (struct ev_loop));	915	memset (loop, 0, sizeof (struct ev_loop));
860		916
861	loop_init (EV_A_ methods);	917	loop_init (EV_A_ flags);
862		918
863	if (ev_method (EV_A))	919	if (ev_method (EV_A))
864	return loop;	920	return loop;
865		921
866	return 0;	922	return 0;
…		…
881		937
882	#endif	938	#endif
883		939
884	#if EV_MULTIPLICITY	940	#if EV_MULTIPLICITY
885	struct ev_loop *	941	struct ev_loop *
		942	ev_default_loop_init (unsigned int flags)
886	#else	943	#else
887	int	944	int
		945	ev_default_loop (unsigned int flags)
888	#endif	946	#endif
889	ev_default_loop (int methods)
890	{	947	{
891	if (sigpipe [0] == sigpipe [1])	948	if (sigpipe [0] == sigpipe [1])
892	if (pipe (sigpipe))	949	if (pipe (sigpipe))
893	return 0;	950	return 0;
894		951
895	if (!default_loop)	952	if (!ev_default_loop_ptr)
896	{	953	{
897	#if EV_MULTIPLICITY	954	#if EV_MULTIPLICITY
898	struct ev_loop *loop = default_loop = &default_loop_struct;	955	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
899	#else	956	#else
900	default_loop = 1;	957	ev_default_loop_ptr = 1;
901	#endif	958	#endif
902		959
903	loop_init (EV_A_ methods);	960	loop_init (EV_A_ flags);
904		961
905	if (ev_method (EV_A))	962	if (ev_method (EV_A))
906	{	963	{
907	siginit (EV_A);	964	siginit (EV_A);
908		965
909	#ifndef WIN32	966	#ifndef _WIN32
910	ev_signal_init (&childev, childcb, SIGCHLD);	967	ev_signal_init (&childev, childcb, SIGCHLD);
911	ev_set_priority (&childev, EV_MAXPRI);	968	ev_set_priority (&childev, EV_MAXPRI);
912	ev_signal_start (EV_A_ &childev);	969	ev_signal_start (EV_A_ &childev);
913	ev_unref (EV_A); /* child watcher should not keep loop alive */	970	ev_unref (EV_A); /* child watcher should not keep loop alive */
914	#endif	971	#endif
915	}	972	}
916	else	973	else
917	default_loop = 0;	974	ev_default_loop_ptr = 0;
918	}	975	}
919		976
920	return default_loop;	977	return ev_default_loop_ptr;
921	}	978	}
922		979
923	void	980	void
924	ev_default_destroy (void)	981	ev_default_destroy (void)
925	{	982	{
926	#if EV_MULTIPLICITY	983	#if EV_MULTIPLICITY
927	struct ev_loop *loop = default_loop;	984	struct ev_loop *loop = ev_default_loop_ptr;
928	#endif	985	#endif
929		986
930	#ifndef WIN32	987	#ifndef _WIN32
931	ev_ref (EV_A); /* child watcher */	988	ev_ref (EV_A); /* child watcher */
932	ev_signal_stop (EV_A_ &childev);	989	ev_signal_stop (EV_A_ &childev);
933	#endif	990	#endif
934		991
935	ev_ref (EV_A); /* signal watcher */	992	ev_ref (EV_A); /* signal watcher */
…		…
943		1000
944	void	1001	void
945	ev_default_fork (void)	1002	ev_default_fork (void)
946	{	1003	{
947	#if EV_MULTIPLICITY	1004	#if EV_MULTIPLICITY
948	struct ev_loop *loop = default_loop;	1005	struct ev_loop *loop = ev_default_loop_ptr;
949	#endif	1006	#endif
950		1007
951	if (method)	1008	if (method)
952	postfork = 1;	1009	postfork = 1;
953	}	1010	}
…		…
964	return 1;	1021	return 1;
965		1022
966	return 0;	1023	return 0;
967	}	1024	}
968		1025
969	static void	1026	inline void
970	call_pending (EV_P)	1027	call_pending (EV_P)
971	{	1028	{
972	int pri;	1029	int pri;
973		1030
974	for (pri = NUMPRI; pri--; )	1031	for (pri = NUMPRI; pri--; )
975	while (pendingcnt [pri])	1032	while (pendingcnt [pri])
976	{	1033	{
977	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1034	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
978		1035
979	if (p->w)	1036	if (expect_true (p->w))
980	{	1037	{
981	p->w->pending = 0;	1038	p->w->pending = 0;
982	EV_CB_INVOKE (p->w, p->events);	1039	EV_CB_INVOKE (p->w, p->events);
983	}	1040	}
984	}	1041	}
985	}	1042	}
986		1043
987	static void	1044	inline void
988	timers_reify (EV_P)	1045	timers_reify (EV_P)
989	{	1046	{
990	while (timercnt && ((WT)timers [0])->at <= mn_now)	1047	while (timercnt && ((WT)timers [0])->at <= mn_now)
991	{	1048	{
992	struct ev_timer *w = timers [0];	1049	struct ev_timer *w = timers [0];
…		…
1010	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1067	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1011	}	1068	}
1012	}	1069	}
1013		1070
1014	#if EV_PERIODICS	1071	#if EV_PERIODICS
1015	static void	1072	inline void
1016	periodics_reify (EV_P)	1073	periodics_reify (EV_P)
1017	{	1074	{
1018	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)	1075	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1019	{	1076	{
1020	struct ev_periodic *w = periodics [0];	1077	struct ev_periodic *w = periodics [0];
…		…
1022	assert (("inactive timer on periodic heap detected", ev_is_active (w)));	1079	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
1023		1080
1024	/* first reschedule or stop timer */	1081	/* first reschedule or stop timer */
1025	if (w->reschedule_cb)	1082	if (w->reschedule_cb)
1026	{	1083	{
1027	ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);	1084	((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));	1085	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1030	downheap ((WT *)periodics, periodiccnt, 0);	1086	downheap ((WT *)periodics, periodiccnt, 0);
1031	}	1087	}
1032	else if (w->interval)	1088	else if (w->interval)
1033	{	1089	{
…		…
1080	ev_rt_now = ev_time ();	1136	ev_rt_now = ev_time ();
1081	return 1;	1137	return 1;
1082	}	1138	}
1083	}	1139	}
1084		1140
1085	static void	1141	inline void
1086	time_update (EV_P)	1142	time_update (EV_P)
1087	{	1143	{
1088	int i;	1144	int i;
1089		1145
1090	#if EV_USE_MONOTONIC	1146	#if EV_USE_MONOTONIC
…		…
1151	ev_loop (EV_P_ int flags)	1207	ev_loop (EV_P_ int flags)
1152	{	1208	{
1153	double block;	1209	double block;
1154	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1210	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
1155		1211
1156	do	1212	while (activecnt)
1157	{	1213	{
1158	/* queue check watchers (and execute them) */	1214	/* queue check watchers (and execute them) */
1159	if (expect_false (preparecnt))	1215	if (expect_false (preparecnt))
1160	{	1216	{
1161	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1217	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
…		…
1201	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;	1257	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
1202	if (block > to) block = to;	1258	if (block > to) block = to;
1203	}	1259	}
1204	#endif	1260	#endif
1205		1261
1206	if (block < 0.) block = 0.;	1262	if (expect_false (block < 0.)) block = 0.;
1207	}	1263	}
1208		1264
1209	method_poll (EV_A_ block);	1265	method_poll (EV_A_ block);
1210		1266
1211	/* update ev_rt_now, do magic */	1267	/* update ev_rt_now, do magic */
…		…
1220	/* queue idle watchers unless io or timers are pending */	1276	/* queue idle watchers unless io or timers are pending */
1221	if (idlecnt && !any_pending (EV_A))	1277	if (idlecnt && !any_pending (EV_A))
1222	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1278	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
1223		1279
1224	/* queue check watchers, to be executed first */	1280	/* queue check watchers, to be executed first */
1225	if (checkcnt)	1281	if (expect_false (checkcnt))
1226	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1282	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1227		1283
1228	call_pending (EV_A);	1284	call_pending (EV_A);
		1285
		1286	if (expect_false (loop_done))
		1287	break;
1229	}	1288	}
1230	while (activecnt && !loop_done);
1231		1289
1232	if (loop_done != 2)	1290	if (loop_done != 2)
1233	loop_done = 0;	1291	loop_done = 0;
1234	}	1292	}
1235		1293
…		…
1295	void	1353	void
1296	ev_io_start (EV_P_ struct ev_io *w)	1354	ev_io_start (EV_P_ struct ev_io *w)
1297	{	1355	{
1298	int fd = w->fd;	1356	int fd = w->fd;
1299		1357
1300	if (ev_is_active (w))	1358	if (expect_false (ev_is_active (w)))
1301	return;	1359	return;
1302		1360
1303	assert (("ev_io_start called with negative fd", fd >= 0));	1361	assert (("ev_io_start called with negative fd", fd >= 0));
1304		1362
1305	ev_start (EV_A_ (W)w, 1);	1363	ev_start (EV_A_ (W)w, 1);
…		…
1311		1369
1312	void	1370	void
1313	ev_io_stop (EV_P_ struct ev_io *w)	1371	ev_io_stop (EV_P_ struct ev_io *w)
1314	{	1372	{
1315	ev_clear_pending (EV_A_ (W)w);	1373	ev_clear_pending (EV_A_ (W)w);
1316	if (!ev_is_active (w))	1374	if (expect_false (!ev_is_active (w)))
1317	return;	1375	return;
1318		1376
1319	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	1377	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1320		1378
1321	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1379	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
…		…
1325	}	1383	}
1326		1384
1327	void	1385	void
1328	ev_timer_start (EV_P_ struct ev_timer *w)	1386	ev_timer_start (EV_P_ struct ev_timer *w)
1329	{	1387	{
1330	if (ev_is_active (w))	1388	if (expect_false (ev_is_active (w)))
1331	return;	1389	return;
1332		1390
1333	((WT)w)->at += mn_now;	1391	((WT)w)->at += mn_now;
1334		1392
1335	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1393	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1336		1394
1337	ev_start (EV_A_ (W)w, ++timercnt);	1395	ev_start (EV_A_ (W)w, ++timercnt);
1338	array_needsize (struct ev_timer *, timers, timermax, timercnt, (void));	1396	array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2);
1339	timers [timercnt - 1] = w;	1397	timers [timercnt - 1] = w;
1340	upheap ((WT *)timers, timercnt - 1);	1398	upheap ((WT *)timers, timercnt - 1);
1341		1399
1342	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1400	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1343	}	1401	}
1344		1402
1345	void	1403	void
1346	ev_timer_stop (EV_P_ struct ev_timer *w)	1404	ev_timer_stop (EV_P_ struct ev_timer *w)
1347	{	1405	{
1348	ev_clear_pending (EV_A_ (W)w);	1406	ev_clear_pending (EV_A_ (W)w);
1349	if (!ev_is_active (w))	1407	if (expect_false (!ev_is_active (w)))
1350	return;	1408	return;
1351		1409
1352	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1410	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1353		1411
1354	if (((W)w)->active < timercnt--)	1412	if (expect_true (((W)w)->active < timercnt--))
1355	{	1413	{
1356	timers [((W)w)->active - 1] = timers [timercnt];	1414	timers [((W)w)->active - 1] = timers [timercnt];
1357	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1415	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1358	}	1416	}
1359		1417
1360	((WT)w)->at -= mn_now;	1418	((WT)w)->at -= mn_now;
1361		1419
1362	ev_stop (EV_A_ (W)w);	1420	ev_stop (EV_A_ (W)w);
…		…
1366	ev_timer_again (EV_P_ struct ev_timer *w)	1424	ev_timer_again (EV_P_ struct ev_timer *w)
1367	{	1425	{
1368	if (ev_is_active (w))	1426	if (ev_is_active (w))
1369	{	1427	{
1370	if (w->repeat)	1428	if (w->repeat)
		1429	{
		1430	((WT)w)->at = mn_now + w->repeat;
1371	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1, mn_now + w->repeat);	1431	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
		1432	}
1372	else	1433	else
1373	ev_timer_stop (EV_A_ w);	1434	ev_timer_stop (EV_A_ w);
1374	}	1435	}
1375	else if (w->repeat)	1436	else if (w->repeat)
		1437	{
		1438	w->at = w->repeat;
1376	ev_timer_start (EV_A_ w);	1439	ev_timer_start (EV_A_ w);
		1440	}
1377	}	1441	}
1378		1442
1379	#if EV_PERIODICS	1443	#if EV_PERIODICS
1380	void	1444	void
1381	ev_periodic_start (EV_P_ struct ev_periodic *w)	1445	ev_periodic_start (EV_P_ struct ev_periodic *w)
1382	{	1446	{
1383	if (ev_is_active (w))	1447	if (expect_false (ev_is_active (w)))
1384	return;	1448	return;
1385		1449
1386	if (w->reschedule_cb)	1450	if (w->reschedule_cb)
1387	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1451	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1388	else if (w->interval)	1452	else if (w->interval)
…		…
1391	/* this formula differs from the one in periodic_reify because we do not always round up */	1455	/* 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;	1456	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
1393	}	1457	}
1394		1458
1395	ev_start (EV_A_ (W)w, ++periodiccnt);	1459	ev_start (EV_A_ (W)w, ++periodiccnt);
1396	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void));	1460	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1397	periodics [periodiccnt - 1] = w;	1461	periodics [periodiccnt - 1] = w;
1398	upheap ((WT *)periodics, periodiccnt - 1);	1462	upheap ((WT *)periodics, periodiccnt - 1);
1399		1463
1400	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1464	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1401	}	1465	}
1402		1466
1403	void	1467	void
1404	ev_periodic_stop (EV_P_ struct ev_periodic *w)	1468	ev_periodic_stop (EV_P_ struct ev_periodic *w)
1405	{	1469	{
1406	ev_clear_pending (EV_A_ (W)w);	1470	ev_clear_pending (EV_A_ (W)w);
1407	if (!ev_is_active (w))	1471	if (expect_false (!ev_is_active (w)))
1408	return;	1472	return;
1409		1473
1410	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1474	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1411		1475
1412	if (((W)w)->active < periodiccnt--)	1476	if (expect_true (((W)w)->active < periodiccnt--))
1413	{	1477	{
1414	periodics [((W)w)->active - 1] = periodics [periodiccnt];	1478	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1415	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);	1479	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1416	}	1480	}
1417		1481
1418	ev_stop (EV_A_ (W)w);	1482	ev_stop (EV_A_ (W)w);
1419	}	1483	}
1420		1484
…		…
1428	#endif	1492	#endif
1429		1493
1430	void	1494	void
1431	ev_idle_start (EV_P_ struct ev_idle *w)	1495	ev_idle_start (EV_P_ struct ev_idle *w)
1432	{	1496	{
1433	if (ev_is_active (w))	1497	if (expect_false (ev_is_active (w)))
1434	return;	1498	return;
1435		1499
1436	ev_start (EV_A_ (W)w, ++idlecnt);	1500	ev_start (EV_A_ (W)w, ++idlecnt);
1437	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void));	1501	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1438	idles [idlecnt - 1] = w;	1502	idles [idlecnt - 1] = w;
1439	}	1503	}
1440		1504
1441	void	1505	void
1442	ev_idle_stop (EV_P_ struct ev_idle *w)	1506	ev_idle_stop (EV_P_ struct ev_idle *w)
1443	{	1507	{
1444	ev_clear_pending (EV_A_ (W)w);	1508	ev_clear_pending (EV_A_ (W)w);
1445	if (ev_is_active (w))	1509	if (expect_false (!ev_is_active (w)))
1446	return;	1510	return;
1447		1511
1448	idles [((W)w)->active - 1] = idles [--idlecnt];	1512	idles [((W)w)->active - 1] = idles [--idlecnt];
1449	ev_stop (EV_A_ (W)w);	1513	ev_stop (EV_A_ (W)w);
1450	}	1514	}
1451		1515
1452	void	1516	void
1453	ev_prepare_start (EV_P_ struct ev_prepare *w)	1517	ev_prepare_start (EV_P_ struct ev_prepare *w)
1454	{	1518	{
1455	if (ev_is_active (w))	1519	if (expect_false (ev_is_active (w)))
1456	return;	1520	return;
1457		1521
1458	ev_start (EV_A_ (W)w, ++preparecnt);	1522	ev_start (EV_A_ (W)w, ++preparecnt);
1459	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void));	1523	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1460	prepares [preparecnt - 1] = w;	1524	prepares [preparecnt - 1] = w;
1461	}	1525	}
1462		1526
1463	void	1527	void
1464	ev_prepare_stop (EV_P_ struct ev_prepare *w)	1528	ev_prepare_stop (EV_P_ struct ev_prepare *w)
1465	{	1529	{
1466	ev_clear_pending (EV_A_ (W)w);	1530	ev_clear_pending (EV_A_ (W)w);
1467	if (ev_is_active (w))	1531	if (expect_false (!ev_is_active (w)))
1468	return;	1532	return;
1469		1533
1470	prepares [((W)w)->active - 1] = prepares [--preparecnt];	1534	prepares [((W)w)->active - 1] = prepares [--preparecnt];
1471	ev_stop (EV_A_ (W)w);	1535	ev_stop (EV_A_ (W)w);
1472	}	1536	}
1473		1537
1474	void	1538	void
1475	ev_check_start (EV_P_ struct ev_check *w)	1539	ev_check_start (EV_P_ struct ev_check *w)
1476	{	1540	{
1477	if (ev_is_active (w))	1541	if (expect_false (ev_is_active (w)))
1478	return;	1542	return;
1479		1543
1480	ev_start (EV_A_ (W)w, ++checkcnt);	1544	ev_start (EV_A_ (W)w, ++checkcnt);
1481	array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void));	1545	array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2);
1482	checks [checkcnt - 1] = w;	1546	checks [checkcnt - 1] = w;
1483	}	1547	}
1484		1548
1485	void	1549	void
1486	ev_check_stop (EV_P_ struct ev_check *w)	1550	ev_check_stop (EV_P_ struct ev_check *w)
1487	{	1551	{
1488	ev_clear_pending (EV_A_ (W)w);	1552	ev_clear_pending (EV_A_ (W)w);
1489	if (!ev_is_active (w))	1553	if (expect_false (!ev_is_active (w)))
1490	return;	1554	return;
1491		1555
1492	checks [((W)w)->active - 1] = checks [--checkcnt];	1556	checks [((W)w)->active - 1] = checks [--checkcnt];
1493	ev_stop (EV_A_ (W)w);	1557	ev_stop (EV_A_ (W)w);
1494	}	1558	}
…		…
1499		1563
1500	void	1564	void
1501	ev_signal_start (EV_P_ struct ev_signal *w)	1565	ev_signal_start (EV_P_ struct ev_signal *w)
1502	{	1566	{
1503	#if EV_MULTIPLICITY	1567	#if EV_MULTIPLICITY
1504	assert (("signal watchers are only supported in the default loop", loop == default_loop));	1568	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1505	#endif	1569	#endif
1506	if (ev_is_active (w))	1570	if (expect_false (ev_is_active (w)))
1507	return;	1571	return;
1508		1572
1509	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1573	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1510		1574
1511	ev_start (EV_A_ (W)w, 1);	1575	ev_start (EV_A_ (W)w, 1);
1512	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);	1576	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1513	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1577	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1514		1578
1515	if (!((WL)w)->next)	1579	if (!((WL)w)->next)
1516	{	1580	{
1517	#if WIN32	1581	#if _WIN32
1518	signal (w->signum, sighandler);	1582	signal (w->signum, sighandler);
1519	#else	1583	#else
1520	struct sigaction sa;	1584	struct sigaction sa;
1521	sa.sa_handler = sighandler;	1585	sa.sa_handler = sighandler;
1522	sigfillset (&sa.sa_mask);	1586	sigfillset (&sa.sa_mask);
…		…
1528		1592
1529	void	1593	void
1530	ev_signal_stop (EV_P_ struct ev_signal *w)	1594	ev_signal_stop (EV_P_ struct ev_signal *w)
1531	{	1595	{
1532	ev_clear_pending (EV_A_ (W)w);	1596	ev_clear_pending (EV_A_ (W)w);
1533	if (!ev_is_active (w))	1597	if (expect_false (!ev_is_active (w)))
1534	return;	1598	return;
1535		1599
1536	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1600	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1537	ev_stop (EV_A_ (W)w);	1601	ev_stop (EV_A_ (W)w);
1538		1602
…		…
1542		1606
1543	void	1607	void
1544	ev_child_start (EV_P_ struct ev_child *w)	1608	ev_child_start (EV_P_ struct ev_child *w)
1545	{	1609	{
1546	#if EV_MULTIPLICITY	1610	#if EV_MULTIPLICITY
1547	assert (("child watchers are only supported in the default loop", loop == default_loop));	1611	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1548	#endif	1612	#endif
1549	if (ev_is_active (w))	1613	if (expect_false (ev_is_active (w)))
1550	return;	1614	return;
1551		1615
1552	ev_start (EV_A_ (W)w, 1);	1616	ev_start (EV_A_ (W)w, 1);
1553	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1617	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1554	}	1618	}
1555		1619
1556	void	1620	void
1557	ev_child_stop (EV_P_ struct ev_child *w)	1621	ev_child_stop (EV_P_ struct ev_child *w)
1558	{	1622	{
1559	ev_clear_pending (EV_A_ (W)w);	1623	ev_clear_pending (EV_A_ (W)w);
1560	if (!ev_is_active (w))	1624	if (expect_false (!ev_is_active (w)))
1561	return;	1625	return;
1562		1626
1563	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1627	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1564	ev_stop (EV_A_ (W)w);	1628	ev_stop (EV_A_ (W)w);
1565	}	1629	}
…		…
1602	void	1666	void
1603	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1667	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1604	{	1668	{
1605	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));	1669	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1606		1670
1607	if (!once)	1671	if (expect_false (!once))
		1672	{
1608	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1673	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1609	else	1674	return;
1610	{	1675	}
		1676
1611	once->cb = cb;	1677	once->cb = cb;
1612	once->arg = arg;	1678	once->arg = arg;
1613		1679
1614	ev_init (&once->io, once_cb_io);	1680	ev_init (&once->io, once_cb_io);
1615	if (fd >= 0)	1681	if (fd >= 0)
1616	{	1682	{
1617	ev_io_set (&once->io, fd, events);	1683	ev_io_set (&once->io, fd, events);
1618	ev_io_start (EV_A_ &once->io);	1684	ev_io_start (EV_A_ &once->io);
1619	}	1685	}
1620		1686
1621	ev_init (&once->to, once_cb_to);	1687	ev_init (&once->to, once_cb_to);
1622	if (timeout >= 0.)	1688	if (timeout >= 0.)
1623	{	1689	{
1624	ev_timer_set (&once->to, timeout, 0.);	1690	ev_timer_set (&once->to, timeout, 0.);
1625	ev_timer_start (EV_A_ &once->to);	1691	ev_timer_start (EV_A_ &once->to);
1626	}
1627	}	1692	}
1628	}	1693	}
1629		1694
1630	#ifdef __cplusplus	1695	#ifdef __cplusplus
1631	}	1696	}

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing libev/ev.c (file contents): Revision 1.98 by root, Sun Nov 11 02:05:20 2007 UTC vs. Revision 1.127 by root, Sun Nov 18 02:17:57 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 1.127 by root, Sun Nov 18 02:17:57 2007 UTC