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

Comparing libev/ev.c (file contents):
Revision 1.95 by root, Sun Nov 11 01:42:13 2007 UTC vs.
Revision 1.126 by root, Sun Nov 18 01:25:23 2007 UTC

…		…
35		35
36	#ifndef EV_STANDALONE	36	#ifndef EV_STANDALONE
37	# include "config.h"	37	# include "config.h"
38		38
39	# if HAVE_CLOCK_GETTIME	39	# if HAVE_CLOCK_GETTIME
		40	# ifndef EV_USE_MONOTONIC
40	# define EV_USE_MONOTONIC 1	41	# define EV_USE_MONOTONIC 1
		42	# endif
		43	# ifndef EV_USE_REALTIME
41	# define EV_USE_REALTIME 1	44	# define EV_USE_REALTIME 1
		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
42	# endif	53	# endif
43		54
44	# if HAVE_SELECT && HAVE_SYS_SELECT_H	55	# if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT)
45	# define EV_USE_SELECT 1	56	# define EV_USE_SELECT 1
		57	# else
		58	# define EV_USE_SELECT 0
46	# endif	59	# endif
47		60
48	# if HAVE_POLL && HAVE_POLL_H	61	# if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL)
49	# define EV_USE_POLL 1	62	# define EV_USE_POLL 1
		63	# else
		64	# define EV_USE_POLL 0
50	# endif	65	# endif
51		66
52	# if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H	67	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL)
53	# define EV_USE_EPOLL 1	68	# define EV_USE_EPOLL 1
		69	# else
		70	# define EV_USE_EPOLL 0
54	# endif	71	# endif
55		72
56	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H	73	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE)
57	# 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
58	# endif	83	# endif
59		84
60	#endif	85	#endif
61		86
62	#include <math.h>	87	#include <math.h>
…		…
71	#include <sys/types.h>	96	#include <sys/types.h>
72	#include <time.h>	97	#include <time.h>
73		98
74	#include <signal.h>	99	#include <signal.h>
75		100
76	#ifndef WIN32	101	#ifndef _WIN32
77	# include <unistd.h>	102	# include <unistd.h>
78	# include <sys/time.h>	103	# include <sys/time.h>
79	# 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
80	#endif	110	# endif
		111	#endif
		112
81	/**/	113	/**/
82		114
83	#ifndef EV_USE_MONOTONIC	115	#ifndef EV_USE_MONOTONIC
84	# 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
85	#endif	121	#endif
86		122
87	#ifndef EV_USE_SELECT	123	#ifndef EV_USE_SELECT
88	# define EV_USE_SELECT 1	124	# define EV_USE_SELECT 1
89	#endif	125	#endif
90		126
91	#ifndef EV_USE_POLL	127	#ifndef EV_USE_POLL
92	# 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
93	#endif	133	#endif
94		134
95	#ifndef EV_USE_EPOLL	135	#ifndef EV_USE_EPOLL
96	# define EV_USE_EPOLL 0	136	# define EV_USE_EPOLL 0
97	#endif	137	#endif
98		138
99	#ifndef EV_USE_KQUEUE	139	#ifndef EV_USE_KQUEUE
100	# define EV_USE_KQUEUE 0	140	# define EV_USE_KQUEUE 0
101	#endif	141	#endif
102		142
103	#ifndef EV_USE_WIN32
104	# ifdef WIN32
105	# define EV_USE_WIN32 0 /* it does not exist, use select */
106	# undef EV_USE_SELECT
107	# define EV_USE_SELECT 1
108	# else
109	# define EV_USE_WIN32 0
110	# endif
111	#endif
112
113	#ifndef EV_USE_REALTIME	143	#ifndef EV_USE_PORT
114	# define EV_USE_REALTIME 1	144	# define EV_USE_PORT 0
115	#endif	145	#endif
116		146
117	/**/	147	/**/
		148
		149	/* darwin simply cannot be helped */
		150	#ifdef __APPLE__
		151	# undef EV_USE_POLL
		152	# undef EV_USE_KQUEUE
		153	#endif
118		154
119	#ifndef CLOCK_MONOTONIC	155	#ifndef CLOCK_MONOTONIC
120	# undef EV_USE_MONOTONIC	156	# undef EV_USE_MONOTONIC
121	# define EV_USE_MONOTONIC 0	157	# define EV_USE_MONOTONIC 0
122	#endif	158	#endif
…		…
124	#ifndef CLOCK_REALTIME	160	#ifndef CLOCK_REALTIME
125	# undef EV_USE_REALTIME	161	# undef EV_USE_REALTIME
126	# define EV_USE_REALTIME 0	162	# define EV_USE_REALTIME 0
127	#endif	163	#endif
128		164
		165	#if EV_SELECT_IS_WINSOCKET
		166	# include <winsock.h>
		167	#endif
		168
129	/**/	169	/**/
130		170
131	#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) */
132	#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) */
133	#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 */
134	/#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 */
135		175
136	#ifdef EV_H	176	#ifdef EV_H
137	# include EV_H	177	# include EV_H
138	#else	178	#else
139	# include "ev.h"	179	# include "ev.h"
140	#endif	180	#endif
141		181
142	#if __GNUC__ >= 3	182	#if __GNUC__ >= 3
143	# define expect(expr,value) __builtin_expect ((expr),(value))	183	# define expect(expr,value) __builtin_expect ((expr),(value))
144	# define inline inline	184	# define inline static inline
145	#else	185	#else
146	# define expect(expr,value) (expr)	186	# define expect(expr,value) (expr)
147	# define inline static	187	# define inline static
148	#endif	188	#endif
149		189
…		…
151	#define expect_true(expr) expect ((expr) != 0, 1)	191	#define expect_true(expr) expect ((expr) != 0, 1)
152		192
153	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	193	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
154	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	194	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
155		195
		196	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
		197	#define EMPTY2(a,b) /* used to suppress some warnings */
		198
156	typedef struct ev_watcher *W;	199	typedef struct ev_watcher *W;
157	typedef struct ev_watcher_list *WL;	200	typedef struct ev_watcher_list *WL;
158	typedef struct ev_watcher_time *WT;	201	typedef struct ev_watcher_time *WT;
159		202
160	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	203	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
161		204
		205	#ifdef _WIN32
162	#include "ev_win32.c"	206	# include "ev_win32.c"
		207	#endif
163		208
164	/*****************************************************************************/	209	/*****************************************************************************/
165		210
166	static void (syserr_cb)(const char msg);	211	static void (syserr_cb)(const char msg);
167		212
…		…
214	typedef struct	259	typedef struct
215	{	260	{
216	WL head;	261	WL head;
217	unsigned char events;	262	unsigned char events;
218	unsigned char reify;	263	unsigned char reify;
		264	#if EV_SELECT_IS_WINSOCKET
		265	SOCKET handle;
		266	#endif
219	} ANFD;	267	} ANFD;
220		268
221	typedef struct	269	typedef struct
222	{	270	{
223	W w;	271	W w;
…		…
227	#if EV_MULTIPLICITY	275	#if EV_MULTIPLICITY
228		276
229	struct ev_loop	277	struct ev_loop
230	{	278	{
231	ev_tstamp ev_rt_now;	279	ev_tstamp ev_rt_now;
		280	#define ev_rt_now ((loop)->ev_rt_now)
232	#define VAR(name,decl) decl;	281	#define VAR(name,decl) decl;
233	#include "ev_vars.h"	282	#include "ev_vars.h"
234	#undef VAR	283	#undef VAR
235	};	284	};
236	#include "ev_wrap.h"	285	#include "ev_wrap.h"
237		286
238	struct ev_loop default_loop_struct;	287	static struct ev_loop default_loop_struct;
239	static struct ev_loop *default_loop;	288	struct ev_loop *ev_default_loop_ptr;
240		289
241	#else	290	#else
242		291
243	ev_tstamp ev_rt_now;	292	ev_tstamp ev_rt_now;
244	#define VAR(name,decl) static decl;	293	#define VAR(name,decl) static decl;
245	#include "ev_vars.h"	294	#include "ev_vars.h"
246	#undef VAR	295	#undef VAR
247		296
248	static int default_loop;	297	static int ev_default_loop_ptr;
249		298
250	#endif	299	#endif
251		300
252	/*****************************************************************************/	301	/*****************************************************************************/
253		302
…		…
286	{	335	{
287	return ev_rt_now;	336	return ev_rt_now;
288	}	337	}
289	#endif	338	#endif
290		339
291	#define array_roundsize(type,n) ((n) \| 4 & ~3)	340	#define array_roundsize(type,n) (((n) \| 4) & ~3)
292		341
293	#define array_needsize(type,base,cur,cnt,init) \	342	#define array_needsize(type,base,cur,cnt,init) \
294	if (expect_false ((cnt) > cur)) \	343	if (expect_false ((cnt) > cur)) \
295	{ \	344	{ \
296	int newcnt = cur; \	345	int newcnt = cur; \
…		…
311	stem ## max = array_roundsize (stem ## cnt >> 1); \	360	stem ## max = array_roundsize (stem ## cnt >> 1); \
312	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\	361	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
313	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\	362	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
314	}	363	}
315		364
316	/* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */
317	/* bringing us everlasting joy in form of stupid extra macros that are not required in C */
318	#define array_free_microshit(stem) \
319	ev_free (stem ## s); stem ## cnt = stem ## max = 0;
320
321	#define array_free(stem, idx) \	365	#define array_free(stem, idx) \
322	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;
323		367
324	/*****************************************************************************/	368	/*****************************************************************************/
325		369
…		…
339	void	383	void
340	ev_feed_event (EV_P_ void *w, int revents)	384	ev_feed_event (EV_P_ void *w, int revents)
341	{	385	{
342	W w_ = (W)w;	386	W w_ = (W)w;
343		387
344	if (w_->pending)	388	if (expect_false (w_->pending))
345	{	389	{
346	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;	390	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
347	return;	391	return;
348	}	392	}
349		393
350	w_->pending = ++pendingcnt [ABSPRI (w_)];	394	w_->pending = ++pendingcnt [ABSPRI (w_)];
351	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);
352	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;	396	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
353	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;	397	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
354	}	398	}
355		399
356	static void	400	static void
…		…
383	fd_event (EV_A_ fd, revents);	427	fd_event (EV_A_ fd, revents);
384	}	428	}
385		429
386	/*****************************************************************************/	430	/*****************************************************************************/
387		431
388	static void	432	inline void
389	fd_reify (EV_P)	433	fd_reify (EV_P)
390	{	434	{
391	int i;	435	int i;
392		436
393	for (i = 0; i < fdchangecnt; ++i)	437	for (i = 0; i < fdchangecnt; ++i)
…		…
399	int events = 0;	443	int events = 0;
400		444
401	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)
402	events \|= w->events;	446	events \|= w->events;
403		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
404	anfd->reify = 0;	457	anfd->reify = 0;
405		458
406	method_modify (EV_A_ fd, anfd->events, events);	459	method_modify (EV_A_ fd, anfd->events, events);
407	anfd->events = events;	460	anfd->events = events;
408	}	461	}
…		…
411	}	464	}
412		465
413	static void	466	static void
414	fd_change (EV_P_ int fd)	467	fd_change (EV_P_ int fd)
415	{	468	{
416	if (anfds [fd].reify)	469	if (expect_false (anfds [fd].reify))
417	return;	470	return;
418		471
419	anfds [fd].reify = 1;	472	anfds [fd].reify = 1;
420		473
421	++fdchangecnt;	474	++fdchangecnt;
422	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void));	475	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
423	fdchanges [fdchangecnt - 1] = fd;	476	fdchanges [fdchangecnt - 1] = fd;
424	}	477	}
425		478
426	static void	479	static void
427	fd_kill (EV_P_ int fd)	480	fd_kill (EV_P_ int fd)
…		…
433	ev_io_stop (EV_A_ w);	486	ev_io_stop (EV_A_ w);
434	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);
435	}	488	}
436	}	489	}
437		490
438	static int	491	inline int
439	fd_valid (int fd)	492	fd_valid (int fd)
440	{	493	{
441	#ifdef WIN32	494	#ifdef _WIN32
442	return !!win32_get_osfhandle (fd);	495	return _get_osfhandle (fd) != -1;
443	#else	496	#else
444	return fcntl (fd, F_GETFD) != -1;	497	return fcntl (fd, F_GETFD) != -1;
445	#endif	498	#endif
446	}	499	}
447		500
…		…
528	heap [k] = w;	581	heap [k] = w;
529	((W)heap [k])->active = k + 1;	582	((W)heap [k])->active = k + 1;
530	}	583	}
531		584
532	inline void	585	inline void
533	adjustheap (WT *heap, int N, int k, ev_tstamp at)	586	adjustheap (WT *heap, int N, int k)
534	{	587	{
535	ev_tstamp old_at = heap [k]->at;	588	upheap (heap, k);
536	heap [k]->at = at;
537
538	if (old_at < at)
539	downheap (heap, N, k);	589	downheap (heap, N, k);
540	else
541	upheap (heap, k);
542	}	590	}
543		591
544	/*****************************************************************************/	592	/*****************************************************************************/
545		593
546	typedef struct	594	typedef struct
…		…
569	}	617	}
570		618
571	static void	619	static void
572	sighandler (int signum)	620	sighandler (int signum)
573	{	621	{
574	#if WIN32	622	#if _WIN32
575	signal (signum, sighandler);	623	signal (signum, sighandler);
576	#endif	624	#endif
577		625
578	signals [signum - 1].gotsig = 1;	626	signals [signum - 1].gotsig = 1;
579		627
580	if (!gotsig)	628	if (!gotsig)
581	{	629	{
582	int old_errno = errno;	630	int old_errno = errno;
583	gotsig = 1;	631	gotsig = 1;
584	#ifdef WIN32
585	send (sigpipe [1], &signum, 1, MSG_DONTWAIT);
586	#else
587	write (sigpipe [1], &signum, 1);	632	write (sigpipe [1], &signum, 1);
588	#endif
589	errno = old_errno;	633	errno = old_errno;
590	}	634	}
591	}	635	}
592		636
593	void	637	void
594	ev_feed_signal_event (EV_P_ int signum)	638	ev_feed_signal_event (EV_P_ int signum)
595	{	639	{
596	WL w;	640	WL w;
597		641
598	#if EV_MULTIPLICITY	642	#if EV_MULTIPLICITY
599	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));
600	#endif	644	#endif
601		645
602	--signum;	646	--signum;
603		647
604	if (signum < 0 \|\| signum >= signalmax)	648	if (signum < 0 \|\| signum >= signalmax)
…		…
613	static void	657	static void
614	sigcb (EV_P_ struct ev_io *iow, int revents)	658	sigcb (EV_P_ struct ev_io *iow, int revents)
615	{	659	{
616	int signum;	660	int signum;
617		661
618	#ifdef WIN32
619	recv (sigpipe [0], &revents, 1, MSG_DONTWAIT);
620	#else
621	read (sigpipe [0], &revents, 1);	662	read (sigpipe [0], &revents, 1);
622	#endif
623	gotsig = 0;	663	gotsig = 0;
624		664
625	for (signum = signalmax; signum--; )	665	for (signum = signalmax; signum--; )
626	if (signals [signum].gotsig)	666	if (signals [signum].gotsig)
627	ev_feed_signal_event (EV_A_ signum + 1);	667	ev_feed_signal_event (EV_A_ signum + 1);
628	}	668	}
629		669
630	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
631	siginit (EV_P)	683	siginit (EV_P)
632	{	684	{
633	#ifndef WIN32	685	fd_intern (sigpipe [0]);
634	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	686	fd_intern (sigpipe [1]);
635	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
636
637	/* rather than sort out wether we really need nb, set it */
638	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
639	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
640	#endif
641		687
642	ev_io_set (&sigev, sigpipe [0], EV_READ);	688	ev_io_set (&sigev, sigpipe [0], EV_READ);
643	ev_io_start (EV_A_ &sigev);	689	ev_io_start (EV_A_ &sigev);
644	ev_unref (EV_A); /* child watcher should not keep loop alive */	690	ev_unref (EV_A); /* child watcher should not keep loop alive */
645	}	691	}
646		692
647	/*****************************************************************************/	693	/*****************************************************************************/
648		694
649	static struct ev_child *childs [PID_HASHSIZE];	695	static struct ev_child *childs [PID_HASHSIZE];
650		696
651	#ifndef WIN32	697	#ifndef _WIN32
652		698
653	static struct ev_signal childev;	699	static struct ev_signal childev;
654		700
655	#ifndef WCONTINUED	701	#ifndef WCONTINUED
656	# define WCONTINUED 0	702	# define WCONTINUED 0
…		…
688		734
689	#endif	735	#endif
690		736
691	/*****************************************************************************/	737	/*****************************************************************************/
692		738
		739	#if EV_USE_PORT
		740	# include "ev_port.c"
		741	#endif
693	#if EV_USE_KQUEUE	742	#if EV_USE_KQUEUE
694	# include "ev_kqueue.c"	743	# include "ev_kqueue.c"
695	#endif	744	#endif
696	#if EV_USE_EPOLL	745	#if EV_USE_EPOLL
697	# include "ev_epoll.c"	746	# include "ev_epoll.c"
…		…
717		766
718	/* 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 */
719	static int	768	static int
720	enable_secure (void)	769	enable_secure (void)
721	{	770	{
722	#ifdef WIN32	771	#ifdef _WIN32
723	return 0;	772	return 0;
724	#else	773	#else
725	return getuid () != geteuid ()	774	return getuid () != geteuid ()
726	\|\| getgid () != getegid ();	775	\|\| getgid () != getegid ();
727	#endif	776	#endif
728	}	777	}
729		778
730	int	779	unsigned int
731	ev_method (EV_P)	780	ev_method (EV_P)
732	{	781	{
733	return method;	782	return method;
734	}	783	}
735		784
736	static void	785	static void
737	loop_init (EV_P_ int methods)	786	loop_init (EV_P_ unsigned int flags)
738	{	787	{
739	if (!method)	788	if (!method)
740	{	789	{
741	#if EV_USE_MONOTONIC	790	#if EV_USE_MONOTONIC
742	{	791	{
…		…
749	ev_rt_now = ev_time ();	798	ev_rt_now = ev_time ();
750	mn_now = get_clock ();	799	mn_now = get_clock ();
751	now_floor = mn_now;	800	now_floor = mn_now;
752	rtmn_diff = ev_rt_now - mn_now;	801	rtmn_diff = ev_rt_now - mn_now;
753		802
754	if (methods == EVMETHOD_AUTO)	803	if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS"))
755	if (!enable_secure () && getenv ("LIBEV_METHODS"))
756	methods = atoi (getenv ("LIBEV_METHODS"));	804	flags = atoi (getenv ("LIBEV_FLAGS"));
757	else	805
758	methods = EVMETHOD_ANY;	806	if (!(flags & 0x0000ffff))
		807	flags \|= 0x0000ffff;
759		808
760	method = 0;	809	method = 0;
761	#if EV_USE_WIN32	810	#if EV_USE_PORT
762	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);	811	if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags);
763	#endif	812	#endif
764	#if EV_USE_KQUEUE	813	#if EV_USE_KQUEUE
765	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	814	if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags);
766	#endif	815	#endif
767	#if EV_USE_EPOLL	816	#if EV_USE_EPOLL
768	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	817	if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags);
769	#endif	818	#endif
770	#if EV_USE_POLL	819	#if EV_USE_POLL
771	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	820	if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags);
772	#endif	821	#endif
773	#if EV_USE_SELECT	822	#if EV_USE_SELECT
774	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	823	if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags);
775	#endif	824	#endif
776		825
777	ev_init (&sigev, sigcb);	826	ev_init (&sigev, sigcb);
778	ev_set_priority (&sigev, EV_MAXPRI);	827	ev_set_priority (&sigev, EV_MAXPRI);
779	}	828	}
780	}	829	}
781		830
782	void	831	static void
783	loop_destroy (EV_P)	832	loop_destroy (EV_P)
784	{	833	{
785	int i;	834	int i;
786		835
787	#if EV_USE_WIN32	836	#if EV_USE_PORT
788	if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);	837	if (method == EVMETHOD_PORT ) port_destroy (EV_A);
789	#endif	838	#endif
790	#if EV_USE_KQUEUE	839	#if EV_USE_KQUEUE
791	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);	840	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
792	#endif	841	#endif
793	#if EV_USE_EPOLL	842	#if EV_USE_EPOLL
…		…
802		851
803	for (i = NUMPRI; i--; )	852	for (i = NUMPRI; i--; )
804	array_free (pending, [i]);	853	array_free (pending, [i]);
805		854
806	/* have to use the microsoft-never-gets-it-right macro */	855	/* have to use the microsoft-never-gets-it-right macro */
807	array_free_microshit (fdchange);	856	array_free (fdchange, EMPTY0);
808	array_free_microshit (timer);	857	array_free (timer, EMPTY0);
809	#if EV_PERIODICS	858	#if EV_PERIODICS
810	array_free_microshit (periodic);	859	array_free (periodic, EMPTY0);
811	#endif	860	#endif
812	array_free_microshit (idle);	861	array_free (idle, EMPTY0);
813	array_free_microshit (prepare);	862	array_free (prepare, EMPTY0);
814	array_free_microshit (check);	863	array_free (check, EMPTY0);
815		864
816	method = 0;	865	method = 0;
817	}	866	}
818		867
819	static void	868	static void
820	loop_fork (EV_P)	869	loop_fork (EV_P)
821	{	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
822	#if EV_USE_EPOLL	877	#if EV_USE_EPOLL
823	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);	878	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
824	#endif
825	#if EV_USE_KQUEUE
826	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
827	#endif	879	#endif
828		880
829	if (ev_is_active (&sigev))	881	if (ev_is_active (&sigev))
830	{	882	{
831	/* default loop */	883	/* default loop */
…		…
844	postfork = 0;	896	postfork = 0;
845	}	897	}
846		898
847	#if EV_MULTIPLICITY	899	#if EV_MULTIPLICITY
848	struct ev_loop *	900	struct ev_loop *
849	ev_loop_new (int methods)	901	ev_loop_new (unsigned int flags)
850	{	902	{
851	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));
852		904
853	memset (loop, 0, sizeof (struct ev_loop));	905	memset (loop, 0, sizeof (struct ev_loop));
854		906
855	loop_init (EV_A_ methods);	907	loop_init (EV_A_ flags);
856		908
857	if (ev_method (EV_A))	909	if (ev_method (EV_A))
858	return loop;	910	return loop;
859		911
860	return 0;	912	return 0;
…		…
875		927
876	#endif	928	#endif
877		929
878	#if EV_MULTIPLICITY	930	#if EV_MULTIPLICITY
879	struct ev_loop *	931	struct ev_loop *
		932	ev_default_loop_init (unsigned int flags)
880	#else	933	#else
881	int	934	int
		935	ev_default_loop (unsigned int flags)
882	#endif	936	#endif
883	ev_default_loop (int methods)
884	{	937	{
885	if (sigpipe [0] == sigpipe [1])	938	if (sigpipe [0] == sigpipe [1])
886	if (pipe (sigpipe))	939	if (pipe (sigpipe))
887	return 0;	940	return 0;
888		941
889	if (!default_loop)	942	if (!ev_default_loop_ptr)
890	{	943	{
891	#if EV_MULTIPLICITY	944	#if EV_MULTIPLICITY
892	struct ev_loop *loop = default_loop = &default_loop_struct;	945	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
893	#else	946	#else
894	default_loop = 1;	947	ev_default_loop_ptr = 1;
895	#endif	948	#endif
896		949
897	loop_init (EV_A_ methods);	950	loop_init (EV_A_ flags);
898		951
899	if (ev_method (EV_A))	952	if (ev_method (EV_A))
900	{	953	{
901	siginit (EV_A);	954	siginit (EV_A);
902		955
903	#ifndef WIN32	956	#ifndef _WIN32
904	ev_signal_init (&childev, childcb, SIGCHLD);	957	ev_signal_init (&childev, childcb, SIGCHLD);
905	ev_set_priority (&childev, EV_MAXPRI);	958	ev_set_priority (&childev, EV_MAXPRI);
906	ev_signal_start (EV_A_ &childev);	959	ev_signal_start (EV_A_ &childev);
907	ev_unref (EV_A); /* child watcher should not keep loop alive */	960	ev_unref (EV_A); /* child watcher should not keep loop alive */
908	#endif	961	#endif
909	}	962	}
910	else	963	else
911	default_loop = 0;	964	ev_default_loop_ptr = 0;
912	}	965	}
913		966
914	return default_loop;	967	return ev_default_loop_ptr;
915	}	968	}
916		969
917	void	970	void
918	ev_default_destroy (void)	971	ev_default_destroy (void)
919	{	972	{
920	#if EV_MULTIPLICITY	973	#if EV_MULTIPLICITY
921	struct ev_loop *loop = default_loop;	974	struct ev_loop *loop = ev_default_loop_ptr;
922	#endif	975	#endif
923		976
924	#ifndef WIN32	977	#ifndef _WIN32
925	ev_ref (EV_A); /* child watcher */	978	ev_ref (EV_A); /* child watcher */
926	ev_signal_stop (EV_A_ &childev);	979	ev_signal_stop (EV_A_ &childev);
927	#endif	980	#endif
928		981
929	ev_ref (EV_A); /* signal watcher */	982	ev_ref (EV_A); /* signal watcher */
…		…
937		990
938	void	991	void
939	ev_default_fork (void)	992	ev_default_fork (void)
940	{	993	{
941	#if EV_MULTIPLICITY	994	#if EV_MULTIPLICITY
942	struct ev_loop *loop = default_loop;	995	struct ev_loop *loop = ev_default_loop_ptr;
943	#endif	996	#endif
944		997
945	if (method)	998	if (method)
946	postfork = 1;	999	postfork = 1;
947	}	1000	}
…		…
958	return 1;	1011	return 1;
959		1012
960	return 0;	1013	return 0;
961	}	1014	}
962		1015
963	static void	1016	inline void
964	call_pending (EV_P)	1017	call_pending (EV_P)
965	{	1018	{
966	int pri;	1019	int pri;
967		1020
968	for (pri = NUMPRI; pri--; )	1021	for (pri = NUMPRI; pri--; )
969	while (pendingcnt [pri])	1022	while (pendingcnt [pri])
970	{	1023	{
971	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1024	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
972		1025
973	if (p->w)	1026	if (expect_true (p->w))
974	{	1027	{
975	p->w->pending = 0;	1028	p->w->pending = 0;
976	EV_CB_INVOKE (p->w, p->events);	1029	EV_CB_INVOKE (p->w, p->events);
977	}	1030	}
978	}	1031	}
979	}	1032	}
980		1033
981	static void	1034	inline void
982	timers_reify (EV_P)	1035	timers_reify (EV_P)
983	{	1036	{
984	while (timercnt && ((WT)timers [0])->at <= mn_now)	1037	while (timercnt && ((WT)timers [0])->at <= mn_now)
985	{	1038	{
986	struct ev_timer *w = timers [0];	1039	struct ev_timer *w = timers [0];
…		…
1004	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1057	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1005	}	1058	}
1006	}	1059	}
1007		1060
1008	#if EV_PERIODICS	1061	#if EV_PERIODICS
1009	static void	1062	inline void
1010	periodics_reify (EV_P)	1063	periodics_reify (EV_P)
1011	{	1064	{
1012	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)	1065	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1013	{	1066	{
1014	struct ev_periodic *w = periodics [0];	1067	struct ev_periodic *w = periodics [0];
…		…
1016	assert (("inactive timer on periodic heap detected", ev_is_active (w)));	1069	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
1017		1070
1018	/* first reschedule or stop timer */	1071	/* first reschedule or stop timer */
1019	if (w->reschedule_cb)	1072	if (w->reschedule_cb)
1020	{	1073	{
1021	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);
1022
1023	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));
1024	downheap ((WT *)periodics, periodiccnt, 0);	1076	downheap ((WT *)periodics, periodiccnt, 0);
1025	}	1077	}
1026	else if (w->interval)	1078	else if (w->interval)
1027	{	1079	{
…		…
1074	ev_rt_now = ev_time ();	1126	ev_rt_now = ev_time ();
1075	return 1;	1127	return 1;
1076	}	1128	}
1077	}	1129	}
1078		1130
1079	static void	1131	inline void
1080	time_update (EV_P)	1132	time_update (EV_P)
1081	{	1133	{
1082	int i;	1134	int i;
1083		1135
1084	#if EV_USE_MONOTONIC	1136	#if EV_USE_MONOTONIC
…		…
1145	ev_loop (EV_P_ int flags)	1197	ev_loop (EV_P_ int flags)
1146	{	1198	{
1147	double block;	1199	double block;
1148	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1200	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
1149		1201
1150	do	1202	while (activecnt)
1151	{	1203	{
1152	/* queue check watchers (and execute them) */	1204	/* queue check watchers (and execute them) */
1153	if (expect_false (preparecnt))	1205	if (expect_false (preparecnt))
1154	{	1206	{
1155	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1207	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
…		…
1195	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;
1196	if (block > to) block = to;	1248	if (block > to) block = to;
1197	}	1249	}
1198	#endif	1250	#endif
1199		1251
1200	if (block < 0.) block = 0.;	1252	if (expect_false (block < 0.)) block = 0.;
1201	}	1253	}
1202		1254
1203	method_poll (EV_A_ block);	1255	method_poll (EV_A_ block);
1204		1256
1205	/* update ev_rt_now, do magic */	1257	/* update ev_rt_now, do magic */
…		…
1214	/* queue idle watchers unless io or timers are pending */	1266	/* queue idle watchers unless io or timers are pending */
1215	if (idlecnt && !any_pending (EV_A))	1267	if (idlecnt && !any_pending (EV_A))
1216	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1268	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
1217		1269
1218	/* queue check watchers, to be executed first */	1270	/* queue check watchers, to be executed first */
1219	if (checkcnt)	1271	if (expect_false (checkcnt))
1220	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1272	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1221		1273
1222	call_pending (EV_A);	1274	call_pending (EV_A);
		1275
		1276	if (expect_false (loop_done))
		1277	break;
1223	}	1278	}
1224	while (activecnt && !loop_done);
1225		1279
1226	if (loop_done != 2)	1280	if (loop_done != 2)
1227	loop_done = 0;	1281	loop_done = 0;
1228	}	1282	}
1229		1283
…		…
1289	void	1343	void
1290	ev_io_start (EV_P_ struct ev_io *w)	1344	ev_io_start (EV_P_ struct ev_io *w)
1291	{	1345	{
1292	int fd = w->fd;	1346	int fd = w->fd;
1293		1347
1294	if (ev_is_active (w))	1348	if (expect_false (ev_is_active (w)))
1295	return;	1349	return;
1296		1350
1297	assert (("ev_io_start called with negative fd", fd >= 0));	1351	assert (("ev_io_start called with negative fd", fd >= 0));
1298		1352
1299	ev_start (EV_A_ (W)w, 1);	1353	ev_start (EV_A_ (W)w, 1);
…		…
1305		1359
1306	void	1360	void
1307	ev_io_stop (EV_P_ struct ev_io *w)	1361	ev_io_stop (EV_P_ struct ev_io *w)
1308	{	1362	{
1309	ev_clear_pending (EV_A_ (W)w);	1363	ev_clear_pending (EV_A_ (W)w);
1310	if (!ev_is_active (w))	1364	if (expect_false (!ev_is_active (w)))
1311	return;	1365	return;
1312		1366
1313	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));
1314		1368
1315	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1369	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
…		…
1319	}	1373	}
1320		1374
1321	void	1375	void
1322	ev_timer_start (EV_P_ struct ev_timer *w)	1376	ev_timer_start (EV_P_ struct ev_timer *w)
1323	{	1377	{
1324	if (ev_is_active (w))	1378	if (expect_false (ev_is_active (w)))
1325	return;	1379	return;
1326		1380
1327	((WT)w)->at += mn_now;	1381	((WT)w)->at += mn_now;
1328		1382
1329	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.));
1330		1384
1331	ev_start (EV_A_ (W)w, ++timercnt);	1385	ev_start (EV_A_ (W)w, ++timercnt);
1332	array_needsize (struct ev_timer *, timers, timermax, timercnt, (void));	1386	array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2);
1333	timers [timercnt - 1] = w;	1387	timers [timercnt - 1] = w;
1334	upheap ((WT *)timers, timercnt - 1);	1388	upheap ((WT *)timers, timercnt - 1);
1335		1389
1336	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1390	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1337	}	1391	}
1338		1392
1339	void	1393	void
1340	ev_timer_stop (EV_P_ struct ev_timer *w)	1394	ev_timer_stop (EV_P_ struct ev_timer *w)
1341	{	1395	{
1342	ev_clear_pending (EV_A_ (W)w);	1396	ev_clear_pending (EV_A_ (W)w);
1343	if (!ev_is_active (w))	1397	if (expect_false (!ev_is_active (w)))
1344	return;	1398	return;
1345		1399
1346	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1400	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1347		1401
1348	if (((W)w)->active < timercnt--)	1402	if (expect_true (((W)w)->active < timercnt--))
1349	{	1403	{
1350	timers [((W)w)->active - 1] = timers [timercnt];	1404	timers [((W)w)->active - 1] = timers [timercnt];
1351	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1405	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1352	}	1406	}
1353		1407
1354	((WT)w)->at -= mn_now;	1408	((WT)w)->at -= mn_now;
1355		1409
1356	ev_stop (EV_A_ (W)w);	1410	ev_stop (EV_A_ (W)w);
…		…
1360	ev_timer_again (EV_P_ struct ev_timer *w)	1414	ev_timer_again (EV_P_ struct ev_timer *w)
1361	{	1415	{
1362	if (ev_is_active (w))	1416	if (ev_is_active (w))
1363	{	1417	{
1364	if (w->repeat)	1418	if (w->repeat)
		1419	{
		1420	((WT)w)->at = mn_now + w->repeat;
1365	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1, mn_now + w->repeat);	1421	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
		1422	}
1366	else	1423	else
1367	ev_timer_stop (EV_A_ w);	1424	ev_timer_stop (EV_A_ w);
1368	}	1425	}
1369	else if (w->repeat)	1426	else if (w->repeat)
		1427	{
		1428	w->at = w->repeat;
1370	ev_timer_start (EV_A_ w);	1429	ev_timer_start (EV_A_ w);
		1430	}
1371	}	1431	}
1372		1432
1373	#if EV_PERIODICS	1433	#if EV_PERIODICS
1374	void	1434	void
1375	ev_periodic_start (EV_P_ struct ev_periodic *w)	1435	ev_periodic_start (EV_P_ struct ev_periodic *w)
1376	{	1436	{
1377	if (ev_is_active (w))	1437	if (expect_false (ev_is_active (w)))
1378	return;	1438	return;
1379		1439
1380	if (w->reschedule_cb)	1440	if (w->reschedule_cb)
1381	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1441	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1382	else if (w->interval)	1442	else if (w->interval)
…		…
1385	/* 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 */
1386	((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;
1387	}	1447	}
1388		1448
1389	ev_start (EV_A_ (W)w, ++periodiccnt);	1449	ev_start (EV_A_ (W)w, ++periodiccnt);
1390	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void));	1450	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1391	periodics [periodiccnt - 1] = w;	1451	periodics [periodiccnt - 1] = w;
1392	upheap ((WT *)periodics, periodiccnt - 1);	1452	upheap ((WT *)periodics, periodiccnt - 1);
1393		1453
1394	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1454	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1395	}	1455	}
1396		1456
1397	void	1457	void
1398	ev_periodic_stop (EV_P_ struct ev_periodic *w)	1458	ev_periodic_stop (EV_P_ struct ev_periodic *w)
1399	{	1459	{
1400	ev_clear_pending (EV_A_ (W)w);	1460	ev_clear_pending (EV_A_ (W)w);
1401	if (!ev_is_active (w))	1461	if (expect_false (!ev_is_active (w)))
1402	return;	1462	return;
1403		1463
1404	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1464	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1405		1465
1406	if (((W)w)->active < periodiccnt--)	1466	if (expect_true (((W)w)->active < periodiccnt--))
1407	{	1467	{
1408	periodics [((W)w)->active - 1] = periodics [periodiccnt];	1468	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1409	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);	1469	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1410	}	1470	}
1411		1471
1412	ev_stop (EV_A_ (W)w);	1472	ev_stop (EV_A_ (W)w);
1413	}	1473	}
1414		1474
…		…
1422	#endif	1482	#endif
1423		1483
1424	void	1484	void
1425	ev_idle_start (EV_P_ struct ev_idle *w)	1485	ev_idle_start (EV_P_ struct ev_idle *w)
1426	{	1486	{
1427	if (ev_is_active (w))	1487	if (expect_false (ev_is_active (w)))
1428	return;	1488	return;
1429		1489
1430	ev_start (EV_A_ (W)w, ++idlecnt);	1490	ev_start (EV_A_ (W)w, ++idlecnt);
1431	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void));	1491	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1432	idles [idlecnt - 1] = w;	1492	idles [idlecnt - 1] = w;
1433	}	1493	}
1434		1494
1435	void	1495	void
1436	ev_idle_stop (EV_P_ struct ev_idle *w)	1496	ev_idle_stop (EV_P_ struct ev_idle *w)
1437	{	1497	{
1438	ev_clear_pending (EV_A_ (W)w);	1498	ev_clear_pending (EV_A_ (W)w);
1439	if (ev_is_active (w))	1499	if (expect_false (!ev_is_active (w)))
1440	return;	1500	return;
1441		1501
1442	idles [((W)w)->active - 1] = idles [--idlecnt];	1502	idles [((W)w)->active - 1] = idles [--idlecnt];
1443	ev_stop (EV_A_ (W)w);	1503	ev_stop (EV_A_ (W)w);
1444	}	1504	}
1445		1505
1446	void	1506	void
1447	ev_prepare_start (EV_P_ struct ev_prepare *w)	1507	ev_prepare_start (EV_P_ struct ev_prepare *w)
1448	{	1508	{
1449	if (ev_is_active (w))	1509	if (expect_false (ev_is_active (w)))
1450	return;	1510	return;
1451		1511
1452	ev_start (EV_A_ (W)w, ++preparecnt);	1512	ev_start (EV_A_ (W)w, ++preparecnt);
1453	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void));	1513	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1454	prepares [preparecnt - 1] = w;	1514	prepares [preparecnt - 1] = w;
1455	}	1515	}
1456		1516
1457	void	1517	void
1458	ev_prepare_stop (EV_P_ struct ev_prepare *w)	1518	ev_prepare_stop (EV_P_ struct ev_prepare *w)
1459	{	1519	{
1460	ev_clear_pending (EV_A_ (W)w);	1520	ev_clear_pending (EV_A_ (W)w);
1461	if (ev_is_active (w))	1521	if (expect_false (!ev_is_active (w)))
1462	return;	1522	return;
1463		1523
1464	prepares [((W)w)->active - 1] = prepares [--preparecnt];	1524	prepares [((W)w)->active - 1] = prepares [--preparecnt];
1465	ev_stop (EV_A_ (W)w);	1525	ev_stop (EV_A_ (W)w);
1466	}	1526	}
1467		1527
1468	void	1528	void
1469	ev_check_start (EV_P_ struct ev_check *w)	1529	ev_check_start (EV_P_ struct ev_check *w)
1470	{	1530	{
1471	if (ev_is_active (w))	1531	if (expect_false (ev_is_active (w)))
1472	return;	1532	return;
1473		1533
1474	ev_start (EV_A_ (W)w, ++checkcnt);	1534	ev_start (EV_A_ (W)w, ++checkcnt);
1475	array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void));	1535	array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2);
1476	checks [checkcnt - 1] = w;	1536	checks [checkcnt - 1] = w;
1477	}	1537	}
1478		1538
1479	void	1539	void
1480	ev_check_stop (EV_P_ struct ev_check *w)	1540	ev_check_stop (EV_P_ struct ev_check *w)
1481	{	1541	{
1482	ev_clear_pending (EV_A_ (W)w);	1542	ev_clear_pending (EV_A_ (W)w);
1483	if (!ev_is_active (w))	1543	if (expect_false (!ev_is_active (w)))
1484	return;	1544	return;
1485		1545
1486	checks [((W)w)->active - 1] = checks [--checkcnt];	1546	checks [((W)w)->active - 1] = checks [--checkcnt];
1487	ev_stop (EV_A_ (W)w);	1547	ev_stop (EV_A_ (W)w);
1488	}	1548	}
…		…
1493		1553
1494	void	1554	void
1495	ev_signal_start (EV_P_ struct ev_signal *w)	1555	ev_signal_start (EV_P_ struct ev_signal *w)
1496	{	1556	{
1497	#if EV_MULTIPLICITY	1557	#if EV_MULTIPLICITY
1498	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));
1499	#endif	1559	#endif
1500	if (ev_is_active (w))	1560	if (expect_false (ev_is_active (w)))
1501	return;	1561	return;
1502		1562
1503	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));
1504		1564
1505	ev_start (EV_A_ (W)w, 1);	1565	ev_start (EV_A_ (W)w, 1);
1506	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);	1566	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1507	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1567	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1508		1568
1509	if (!((WL)w)->next)	1569	if (!((WL)w)->next)
1510	{	1570	{
1511	#if WIN32	1571	#if _WIN32
1512	signal (w->signum, sighandler);	1572	signal (w->signum, sighandler);
1513	#else	1573	#else
1514	struct sigaction sa;	1574	struct sigaction sa;
1515	sa.sa_handler = sighandler;	1575	sa.sa_handler = sighandler;
1516	sigfillset (&sa.sa_mask);	1576	sigfillset (&sa.sa_mask);
…		…
1522		1582
1523	void	1583	void
1524	ev_signal_stop (EV_P_ struct ev_signal *w)	1584	ev_signal_stop (EV_P_ struct ev_signal *w)
1525	{	1585	{
1526	ev_clear_pending (EV_A_ (W)w);	1586	ev_clear_pending (EV_A_ (W)w);
1527	if (!ev_is_active (w))	1587	if (expect_false (!ev_is_active (w)))
1528	return;	1588	return;
1529		1589
1530	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1590	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1531	ev_stop (EV_A_ (W)w);	1591	ev_stop (EV_A_ (W)w);
1532		1592
…		…
1536		1596
1537	void	1597	void
1538	ev_child_start (EV_P_ struct ev_child *w)	1598	ev_child_start (EV_P_ struct ev_child *w)
1539	{	1599	{
1540	#if EV_MULTIPLICITY	1600	#if EV_MULTIPLICITY
1541	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));
1542	#endif	1602	#endif
1543	if (ev_is_active (w))	1603	if (expect_false (ev_is_active (w)))
1544	return;	1604	return;
1545		1605
1546	ev_start (EV_A_ (W)w, 1);	1606	ev_start (EV_A_ (W)w, 1);
1547	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1607	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1548	}	1608	}
1549		1609
1550	void	1610	void
1551	ev_child_stop (EV_P_ struct ev_child *w)	1611	ev_child_stop (EV_P_ struct ev_child *w)
1552	{	1612	{
1553	ev_clear_pending (EV_A_ (W)w);	1613	ev_clear_pending (EV_A_ (W)w);
1554	if (!ev_is_active (w))	1614	if (expect_false (!ev_is_active (w)))
1555	return;	1615	return;
1556		1616
1557	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1617	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1558	ev_stop (EV_A_ (W)w);	1618	ev_stop (EV_A_ (W)w);
1559	}	1619	}
…		…
1596	void	1656	void
1597	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)
1598	{	1658	{
1599	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));
1600		1660
1601	if (!once)	1661	if (expect_false (!once))
		1662	{
1602	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1663	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1603	else	1664	return;
1604	{	1665	}
		1666
1605	once->cb = cb;	1667	once->cb = cb;
1606	once->arg = arg;	1668	once->arg = arg;
1607		1669
1608	ev_init (&once->io, once_cb_io);	1670	ev_init (&once->io, once_cb_io);
1609	if (fd >= 0)	1671	if (fd >= 0)
1610	{	1672	{
1611	ev_io_set (&once->io, fd, events);	1673	ev_io_set (&once->io, fd, events);
1612	ev_io_start (EV_A_ &once->io);	1674	ev_io_start (EV_A_ &once->io);
1613	}	1675	}
1614		1676
1615	ev_init (&once->to, once_cb_to);	1677	ev_init (&once->to, once_cb_to);
1616	if (timeout >= 0.)	1678	if (timeout >= 0.)
1617	{	1679	{
1618	ev_timer_set (&once->to, timeout, 0.);	1680	ev_timer_set (&once->to, timeout, 0.);
1619	ev_timer_start (EV_A_ &once->to);	1681	ev_timer_start (EV_A_ &once->to);
1620	}
1621	}	1682	}
1622	}	1683	}
1623		1684
1624	#ifdef __cplusplus	1685	#ifdef __cplusplus
1625	}	1686	}

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Comparing libev/ev.c (file contents): Revision 1.95 by root, Sun Nov 11 01:42:13 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 1.95 by root, Sun Nov 11 01:42:13 2007 UTC vs.
Revision 1.126 by root, Sun Nov 18 01:25:23 2007 UTC