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

Comparing libev/ev.c (file contents):
Revision 1.97 by root, Sun Nov 11 01:53:07 2007 UTC vs.
Revision 1.129 by root, Fri Nov 23 05:00:44 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	/**/
122		158
123	#ifndef CLOCK_MONOTONIC	159	#ifndef CLOCK_MONOTONIC
…		…
128	#ifndef CLOCK_REALTIME	164	#ifndef CLOCK_REALTIME
129	# undef EV_USE_REALTIME	165	# undef EV_USE_REALTIME
130	# define EV_USE_REALTIME 0	166	# define EV_USE_REALTIME 0
131	#endif	167	#endif
132		168
		169	#if EV_SELECT_IS_WINSOCKET
		170	# include <winsock.h>
		171	#endif
		172
133	/**/	173	/**/
134		174
135	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	175	#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) */	176	#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 */	177	#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 */	178	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds */
139		179
140	#ifdef EV_H	180	#ifdef EV_H
141	# include EV_H	181	# include EV_H
142	#else	182	#else
143	# include "ev.h"	183	# include "ev.h"
144	#endif	184	#endif
145		185
146	#if __GNUC__ >= 3	186	#if __GNUC__ >= 3
147	# define expect(expr,value) __builtin_expect ((expr),(value))	187	# define expect(expr,value) __builtin_expect ((expr),(value))
148	# define inline inline	188	# define inline static inline
149	#else	189	#else
150	# define expect(expr,value) (expr)	190	# define expect(expr,value) (expr)
151	# define inline static	191	# define inline static
152	#endif	192	#endif
153		193
…		…
155	#define expect_true(expr) expect ((expr) != 0, 1)	195	#define expect_true(expr) expect ((expr) != 0, 1)
156		196
157	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	197	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
158	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	198	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
159		199
		200	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
		201	#define EMPTY2(a,b) /* used to suppress some warnings */
		202
160	typedef struct ev_watcher *W;	203	typedef struct ev_watcher *W;
161	typedef struct ev_watcher_list *WL;	204	typedef struct ev_watcher_list *WL;
162	typedef struct ev_watcher_time *WT;	205	typedef struct ev_watcher_time *WT;
163		206
164	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	207	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
165		208
		209	#ifdef _WIN32
166	#include "ev_win32.c"	210	# include "ev_win32.c"
		211	#endif
167		212
168	/*****************************************************************************/	213	/*****************************************************************************/
169		214
170	static void (syserr_cb)(const char msg);	215	static void (syserr_cb)(const char msg);
171		216
…		…
218	typedef struct	263	typedef struct
219	{	264	{
220	WL head;	265	WL head;
221	unsigned char events;	266	unsigned char events;
222	unsigned char reify;	267	unsigned char reify;
		268	#if EV_SELECT_IS_WINSOCKET
		269	SOCKET handle;
		270	#endif
223	} ANFD;	271	} ANFD;
224		272
225	typedef struct	273	typedef struct
226	{	274	{
227	W w;	275	W w;
…		…
231	#if EV_MULTIPLICITY	279	#if EV_MULTIPLICITY
232		280
233	struct ev_loop	281	struct ev_loop
234	{	282	{
235	ev_tstamp ev_rt_now;	283	ev_tstamp ev_rt_now;
		284	#define ev_rt_now ((loop)->ev_rt_now)
236	#define VAR(name,decl) decl;	285	#define VAR(name,decl) decl;
237	#include "ev_vars.h"	286	#include "ev_vars.h"
238	#undef VAR	287	#undef VAR
239	};	288	};
240	#include "ev_wrap.h"	289	#include "ev_wrap.h"
241		290
242	struct ev_loop default_loop_struct;	291	static struct ev_loop default_loop_struct;
243	static struct ev_loop *default_loop;	292	struct ev_loop *ev_default_loop_ptr;
244		293
245	#else	294	#else
246		295
247	ev_tstamp ev_rt_now;	296	ev_tstamp ev_rt_now;
248	#define VAR(name,decl) static decl;	297	#define VAR(name,decl) static decl;
249	#include "ev_vars.h"	298	#include "ev_vars.h"
250	#undef VAR	299	#undef VAR
251		300
252	static int default_loop;	301	static int ev_default_loop_ptr;
253		302
254	#endif	303	#endif
255		304
256	/*****************************************************************************/	305	/*****************************************************************************/
257		306
…		…
290	{	339	{
291	return ev_rt_now;	340	return ev_rt_now;
292	}	341	}
293	#endif	342	#endif
294		343
295	#define array_roundsize(type,n) ((n) \| 4 & ~3)	344	#define array_roundsize(type,n) (((n) \| 4) & ~3)
296		345
297	#define array_needsize(type,base,cur,cnt,init) \	346	#define array_needsize(type,base,cur,cnt,init) \
298	if (expect_false ((cnt) > cur)) \	347	if (expect_false ((cnt) > cur)) \
299	{ \	348	{ \
300	int newcnt = cur; \	349	int newcnt = cur; \
…		…
315	stem ## max = array_roundsize (stem ## cnt >> 1); \	364	stem ## max = array_roundsize (stem ## cnt >> 1); \
316	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\	365	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
317	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\	366	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
318	}	367	}
319		368
320	/* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */
321	/* bringing us everlasting joy in form of stupid extra macros that are not required in C */
322	#define array_free_microshit(stem) \
323	ev_free (stem ## s); stem ## cnt = stem ## max = 0;
324
325	#define array_free(stem, idx) \	369	#define array_free(stem, idx) \
326	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;	370	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
327		371
328	/*****************************************************************************/	372	/*****************************************************************************/
329		373
…		…
343	void	387	void
344	ev_feed_event (EV_P_ void *w, int revents)	388	ev_feed_event (EV_P_ void *w, int revents)
345	{	389	{
346	W w_ = (W)w;	390	W w_ = (W)w;
347		391
348	if (w_->pending)	392	if (expect_false (w_->pending))
349	{	393	{
350	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;	394	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
351	return;	395	return;
352	}	396	}
353		397
354	w_->pending = ++pendingcnt [ABSPRI (w_)];	398	w_->pending = ++pendingcnt [ABSPRI (w_)];
355	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void));	399	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
356	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;	400	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
357	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;	401	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
358	}	402	}
359		403
360	static void	404	static void
…		…
387	fd_event (EV_A_ fd, revents);	431	fd_event (EV_A_ fd, revents);
388	}	432	}
389		433
390	/*****************************************************************************/	434	/*****************************************************************************/
391		435
392	static void	436	inline void
393	fd_reify (EV_P)	437	fd_reify (EV_P)
394	{	438	{
395	int i;	439	int i;
396		440
397	for (i = 0; i < fdchangecnt; ++i)	441	for (i = 0; i < fdchangecnt; ++i)
…		…
403	int events = 0;	447	int events = 0;
404		448
405	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	449	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
406	events \|= w->events;	450	events \|= w->events;
407		451
		452	#if EV_SELECT_IS_WINSOCKET
		453	if (events)
		454	{
		455	unsigned long argp;
		456	anfd->handle = _get_osfhandle (fd);
		457	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
		458	}
		459	#endif
		460
408	anfd->reify = 0;	461	anfd->reify = 0;
409		462
410	method_modify (EV_A_ fd, anfd->events, events);	463	method_modify (EV_A_ fd, anfd->events, events);
411	anfd->events = events;	464	anfd->events = events;
412	}	465	}
…		…
415	}	468	}
416		469
417	static void	470	static void
418	fd_change (EV_P_ int fd)	471	fd_change (EV_P_ int fd)
419	{	472	{
420	if (anfds [fd].reify)	473	if (expect_false (anfds [fd].reify))
421	return;	474	return;
422		475
423	anfds [fd].reify = 1;	476	anfds [fd].reify = 1;
424		477
425	++fdchangecnt;	478	++fdchangecnt;
426	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void));	479	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
427	fdchanges [fdchangecnt - 1] = fd;	480	fdchanges [fdchangecnt - 1] = fd;
428	}	481	}
429		482
430	static void	483	static void
431	fd_kill (EV_P_ int fd)	484	fd_kill (EV_P_ int fd)
…		…
437	ev_io_stop (EV_A_ w);	490	ev_io_stop (EV_A_ w);
438	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	491	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
439	}	492	}
440	}	493	}
441		494
442	static int	495	inline int
443	fd_valid (int fd)	496	fd_valid (int fd)
444	{	497	{
445	#ifdef WIN32	498	#ifdef _WIN32
446	return !!win32_get_osfhandle (fd);	499	return _get_osfhandle (fd) != -1;
447	#else	500	#else
448	return fcntl (fd, F_GETFD) != -1;	501	return fcntl (fd, F_GETFD) != -1;
449	#endif	502	#endif
450	}	503	}
451		504
…		…
532	heap [k] = w;	585	heap [k] = w;
533	((W)heap [k])->active = k + 1;	586	((W)heap [k])->active = k + 1;
534	}	587	}
535		588
536	inline void	589	inline void
537	adjustheap (WT *heap, int N, int k, ev_tstamp at)	590	adjustheap (WT *heap, int N, int k)
538	{	591	{
539	ev_tstamp old_at = heap [k]->at;	592	upheap (heap, k);
540	heap [k]->at = at;
541
542	if (old_at < at)
543	downheap (heap, N, k);	593	downheap (heap, N, k);
544	else
545	upheap (heap, k);
546	}	594	}
547		595
548	/*****************************************************************************/	596	/*****************************************************************************/
549		597
550	typedef struct	598	typedef struct
…		…
573	}	621	}
574		622
575	static void	623	static void
576	sighandler (int signum)	624	sighandler (int signum)
577	{	625	{
578	#if WIN32	626	#if _WIN32
579	signal (signum, sighandler);	627	signal (signum, sighandler);
580	#endif	628	#endif
581		629
582	signals [signum - 1].gotsig = 1;	630	signals [signum - 1].gotsig = 1;
583		631
584	if (!gotsig)	632	if (!gotsig)
585	{	633	{
586	int old_errno = errno;	634	int old_errno = errno;
587	gotsig = 1;	635	gotsig = 1;
588	#ifdef WIN32
589	send (sigpipe [1], &signum, 1, MSG_DONTWAIT);
590	#else
591	write (sigpipe [1], &signum, 1);	636	write (sigpipe [1], &signum, 1);
592	#endif
593	errno = old_errno;	637	errno = old_errno;
594	}	638	}
595	}	639	}
596		640
597	void	641	void
598	ev_feed_signal_event (EV_P_ int signum)	642	ev_feed_signal_event (EV_P_ int signum)
599	{	643	{
600	WL w;	644	WL w;
601		645
602	#if EV_MULTIPLICITY	646	#if EV_MULTIPLICITY
603	assert (("feeding signal events is only supported in the default loop", loop == default_loop));	647	assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
604	#endif	648	#endif
605		649
606	--signum;	650	--signum;
607		651
608	if (signum < 0 \|\| signum >= signalmax)	652	if (signum < 0 \|\| signum >= signalmax)
…		…
617	static void	661	static void
618	sigcb (EV_P_ struct ev_io *iow, int revents)	662	sigcb (EV_P_ struct ev_io *iow, int revents)
619	{	663	{
620	int signum;	664	int signum;
621		665
622	#ifdef WIN32
623	recv (sigpipe [0], &revents, 1, MSG_DONTWAIT);
624	#else
625	read (sigpipe [0], &revents, 1);	666	read (sigpipe [0], &revents, 1);
626	#endif
627	gotsig = 0;	667	gotsig = 0;
628		668
629	for (signum = signalmax; signum--; )	669	for (signum = signalmax; signum--; )
630	if (signals [signum].gotsig)	670	if (signals [signum].gotsig)
631	ev_feed_signal_event (EV_A_ signum + 1);	671	ev_feed_signal_event (EV_A_ signum + 1);
632	}	672	}
633		673
634	static void	674	static void
		675	fd_intern (int fd)
		676	{
		677	#ifdef _WIN32
		678	int arg = 1;
		679	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
		680	#else
		681	fcntl (fd, F_SETFD, FD_CLOEXEC);
		682	fcntl (fd, F_SETFL, O_NONBLOCK);
		683	#endif
		684	}
		685
		686	static void
635	siginit (EV_P)	687	siginit (EV_P)
636	{	688	{
637	#ifndef WIN32	689	fd_intern (sigpipe [0]);
638	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	690	fd_intern (sigpipe [1]);
639	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
640
641	/* rather than sort out wether we really need nb, set it */
642	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
643	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
644	#endif
645		691
646	ev_io_set (&sigev, sigpipe [0], EV_READ);	692	ev_io_set (&sigev, sigpipe [0], EV_READ);
647	ev_io_start (EV_A_ &sigev);	693	ev_io_start (EV_A_ &sigev);
648	ev_unref (EV_A); /* child watcher should not keep loop alive */	694	ev_unref (EV_A); /* child watcher should not keep loop alive */
649	}	695	}
650		696
651	/*****************************************************************************/	697	/*****************************************************************************/
652		698
653	static struct ev_child *childs [PID_HASHSIZE];	699	static struct ev_child *childs [PID_HASHSIZE];
654		700
655	#ifndef WIN32	701	#ifndef _WIN32
656		702
657	static struct ev_signal childev;	703	static struct ev_signal childev;
658		704
659	#ifndef WCONTINUED	705	#ifndef WCONTINUED
660	# define WCONTINUED 0	706	# define WCONTINUED 0
…		…
692		738
693	#endif	739	#endif
694		740
695	/*****************************************************************************/	741	/*****************************************************************************/
696		742
		743	#if EV_USE_PORT
		744	# include "ev_port.c"
		745	#endif
697	#if EV_USE_KQUEUE	746	#if EV_USE_KQUEUE
698	# include "ev_kqueue.c"	747	# include "ev_kqueue.c"
699	#endif	748	#endif
700	#if EV_USE_EPOLL	749	#if EV_USE_EPOLL
701	# include "ev_epoll.c"	750	# include "ev_epoll.c"
…		…
721		770
722	/* return true if we are running with elevated privileges and should ignore env variables */	771	/* return true if we are running with elevated privileges and should ignore env variables */
723	static int	772	static int
724	enable_secure (void)	773	enable_secure (void)
725	{	774	{
726	#ifdef WIN32	775	#ifdef _WIN32
727	return 0;	776	return 0;
728	#else	777	#else
729	return getuid () != geteuid ()	778	return getuid () != geteuid ()
730	\|\| getgid () != getegid ();	779	\|\| getgid () != getegid ();
731	#endif	780	#endif
732	}	781	}
733		782
734	int	783	unsigned int
735	ev_method (EV_P)	784	ev_supported_backends (void)
736	{	785	{
737	return method;
738	}	786	}
739		787
		788	unsigned int
		789	ev_recommended_backends (void)
		790	{
		791	unsigned int flags;
		792
		793	if (EV_USE_PORT ) flags \|= EVBACKEND_PORT;
		794	if (EV_USE_KQUEUE) flags \|= EVBACKEND_KQUEUE;
		795	if (EV_USE_EPOLL ) flags \|= EVBACKEND_EPOLL;
		796	if (EV_USE_POLL ) flags \|= EVBACKEND_POLL;
		797	if (EV_USE_SELECT) flags \|= EVBACKEND_SELECT;
		798
		799	return flags;
		800	}
		801
		802	unsigned int
		803	ev_backend (EV_P)
		804	{
		805	unsigned int flags = ev_recommended_backends ();
		806
		807	#ifndef __NetBSD__
		808	/* kqueue is borked on everything but netbsd apparently */
		809	/* it usually doesn't work correctly on anything but sockets and pipes */
		810	flags &= ~EVBACKEND_KQUEUE;
		811	#endif
		812	#ifdef __APPLE__
		813	// flags &= ~EVBACKEND_KQUEUE; for documentation
		814	flags &= ~EVBACKEND_POLL;
		815	#endif
		816
		817	return flags;
		818	}
		819
740	static void	820	static void
741	loop_init (EV_P_ int methods)	821	loop_init (EV_P_ unsigned int flags)
742	{	822	{
743	if (!method)	823	if (!method)
744	{	824	{
745	#if EV_USE_MONOTONIC	825	#if EV_USE_MONOTONIC
746	{	826	{
…		…
753	ev_rt_now = ev_time ();	833	ev_rt_now = ev_time ();
754	mn_now = get_clock ();	834	mn_now = get_clock ();
755	now_floor = mn_now;	835	now_floor = mn_now;
756	rtmn_diff = ev_rt_now - mn_now;	836	rtmn_diff = ev_rt_now - mn_now;
757		837
758	if (methods == EVMETHOD_AUTO)	838	if (!(flags & EVFLAG_NOENV)
759	if (!enable_secure () && getenv ("LIBEV_METHODS"))	839	&& !enable_secure ()
		840	&& getenv ("LIBEV_FLAGS"))
760	methods = atoi (getenv ("LIBEV_METHODS"));	841	flags = atoi (getenv ("LIBEV_FLAGS"));
761	else	842
762	methods = EVMETHOD_ANY;	843	if (!(flags & 0x0000ffffUL))
		844	flags \|= ev_recommended_backends ();
763		845
764	method = 0;	846	method = 0;
765	#if EV_USE_WIN32	847	#if EV_USE_PORT
766	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);	848	if (!method && (flags & EVBACKEND_PORT )) method = port_init (EV_A_ flags);
767	#endif	849	#endif
768	#if EV_USE_KQUEUE	850	#if EV_USE_KQUEUE
769	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	851	if (!method && (flags & EVBACKEND_KQUEUE)) method = kqueue_init (EV_A_ flags);
770	#endif	852	#endif
771	#if EV_USE_EPOLL	853	#if EV_USE_EPOLL
772	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	854	if (!method && (flags & EVBACKEND_EPOLL )) method = epoll_init (EV_A_ flags);
773	#endif	855	#endif
774	#if EV_USE_POLL	856	#if EV_USE_POLL
775	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	857	if (!method && (flags & EVBACKEND_POLL )) method = poll_init (EV_A_ flags);
776	#endif	858	#endif
777	#if EV_USE_SELECT	859	#if EV_USE_SELECT
778	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	860	if (!method && (flags & EVBACKEND_SELECT)) method = select_init (EV_A_ flags);
779	#endif	861	#endif
780		862
781	ev_init (&sigev, sigcb);	863	ev_init (&sigev, sigcb);
782	ev_set_priority (&sigev, EV_MAXPRI);	864	ev_set_priority (&sigev, EV_MAXPRI);
783	}	865	}
784	}	866	}
785		867
786	void	868	static void
787	loop_destroy (EV_P)	869	loop_destroy (EV_P)
788	{	870	{
789	int i;	871	int i;
790		872
791	#if EV_USE_WIN32	873	#if EV_USE_PORT
792	if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);	874	if (method == EVBACKEND_PORT ) port_destroy (EV_A);
793	#endif	875	#endif
794	#if EV_USE_KQUEUE	876	#if EV_USE_KQUEUE
795	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);	877	if (method == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
796	#endif	878	#endif
797	#if EV_USE_EPOLL	879	#if EV_USE_EPOLL
798	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);	880	if (method == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
799	#endif	881	#endif
800	#if EV_USE_POLL	882	#if EV_USE_POLL
801	if (method == EVMETHOD_POLL ) poll_destroy (EV_A);	883	if (method == EVBACKEND_POLL ) poll_destroy (EV_A);
802	#endif	884	#endif
803	#if EV_USE_SELECT	885	#if EV_USE_SELECT
804	if (method == EVMETHOD_SELECT) select_destroy (EV_A);	886	if (method == EVBACKEND_SELECT) select_destroy (EV_A);
805	#endif	887	#endif
806		888
807	for (i = NUMPRI; i--; )	889	for (i = NUMPRI; i--; )
808	array_free (pending, [i]);	890	array_free (pending, [i]);
809		891
810	/* have to use the microsoft-never-gets-it-right macro */	892	/* have to use the microsoft-never-gets-it-right macro */
811	array_free_microshit (fdchange);	893	array_free (fdchange, EMPTY0);
812	array_free_microshit (timer);	894	array_free (timer, EMPTY0);
813	#if EV_PERIODICS	895	#if EV_PERIODICS
814	array_free_microshit (periodic);	896	array_free (periodic, EMPTY0);
815	#endif	897	#endif
816	array_free_microshit (idle);	898	array_free (idle, EMPTY0);
817	array_free_microshit (prepare);	899	array_free (prepare, EMPTY0);
818	array_free_microshit (check);	900	array_free (check, EMPTY0);
819		901
820	method = 0;	902	method = 0;
821	}	903	}
822		904
823	static void	905	static void
824	loop_fork (EV_P)	906	loop_fork (EV_P)
825	{	907	{
		908	#if EV_USE_PORT
		909	if (method == EVBACKEND_PORT ) port_fork (EV_A);
		910	#endif
		911	#if EV_USE_KQUEUE
		912	if (method == EVBACKEND_KQUEUE) kqueue_fork (EV_A);
		913	#endif
826	#if EV_USE_EPOLL	914	#if EV_USE_EPOLL
827	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);	915	if (method == EVBACKEND_EPOLL ) epoll_fork (EV_A);
828	#endif
829	#if EV_USE_KQUEUE
830	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
831	#endif	916	#endif
832		917
833	if (ev_is_active (&sigev))	918	if (ev_is_active (&sigev))
834	{	919	{
835	/* default loop */	920	/* default loop */
…		…
848	postfork = 0;	933	postfork = 0;
849	}	934	}
850		935
851	#if EV_MULTIPLICITY	936	#if EV_MULTIPLICITY
852	struct ev_loop *	937	struct ev_loop *
853	ev_loop_new (int methods)	938	ev_loop_new (unsigned int flags)
854	{	939	{
855	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));	940	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
856		941
857	memset (loop, 0, sizeof (struct ev_loop));	942	memset (loop, 0, sizeof (struct ev_loop));
858		943
859	loop_init (EV_A_ methods);	944	loop_init (EV_A_ flags);
860		945
861	if (ev_method (EV_A))	946	if (ev_method (EV_A))
862	return loop;	947	return loop;
863		948
864	return 0;	949	return 0;
…		…
879		964
880	#endif	965	#endif
881		966
882	#if EV_MULTIPLICITY	967	#if EV_MULTIPLICITY
883	struct ev_loop *	968	struct ev_loop *
		969	ev_default_loop_init (unsigned int flags)
884	#else	970	#else
885	int	971	int
		972	ev_default_loop (unsigned int flags)
886	#endif	973	#endif
887	ev_default_loop (int methods)
888	{	974	{
889	if (sigpipe [0] == sigpipe [1])	975	if (sigpipe [0] == sigpipe [1])
890	if (pipe (sigpipe))	976	if (pipe (sigpipe))
891	return 0;	977	return 0;
892		978
893	if (!default_loop)	979	if (!ev_default_loop_ptr)
894	{	980	{
895	#if EV_MULTIPLICITY	981	#if EV_MULTIPLICITY
896	struct ev_loop *loop = default_loop = &default_loop_struct;	982	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
897	#else	983	#else
898	default_loop = 1;	984	ev_default_loop_ptr = 1;
899	#endif	985	#endif
900		986
901	loop_init (EV_A_ methods);	987	loop_init (EV_A_ flags);
902		988
903	if (ev_method (EV_A))	989	if (ev_method (EV_A))
904	{	990	{
905	siginit (EV_A);	991	siginit (EV_A);
906		992
907	#ifndef WIN32	993	#ifndef _WIN32
908	ev_signal_init (&childev, childcb, SIGCHLD);	994	ev_signal_init (&childev, childcb, SIGCHLD);
909	ev_set_priority (&childev, EV_MAXPRI);	995	ev_set_priority (&childev, EV_MAXPRI);
910	ev_signal_start (EV_A_ &childev);	996	ev_signal_start (EV_A_ &childev);
911	ev_unref (EV_A); /* child watcher should not keep loop alive */	997	ev_unref (EV_A); /* child watcher should not keep loop alive */
912	#endif	998	#endif
913	}	999	}
914	else	1000	else
915	default_loop = 0;	1001	ev_default_loop_ptr = 0;
916	}	1002	}
917		1003
918	return default_loop;	1004	return ev_default_loop_ptr;
919	}	1005	}
920		1006
921	void	1007	void
922	ev_default_destroy (void)	1008	ev_default_destroy (void)
923	{	1009	{
924	#if EV_MULTIPLICITY	1010	#if EV_MULTIPLICITY
925	struct ev_loop *loop = default_loop;	1011	struct ev_loop *loop = ev_default_loop_ptr;
926	#endif	1012	#endif
927		1013
928	#ifndef WIN32	1014	#ifndef _WIN32
929	ev_ref (EV_A); /* child watcher */	1015	ev_ref (EV_A); /* child watcher */
930	ev_signal_stop (EV_A_ &childev);	1016	ev_signal_stop (EV_A_ &childev);
931	#endif	1017	#endif
932		1018
933	ev_ref (EV_A); /* signal watcher */	1019	ev_ref (EV_A); /* signal watcher */
…		…
941		1027
942	void	1028	void
943	ev_default_fork (void)	1029	ev_default_fork (void)
944	{	1030	{
945	#if EV_MULTIPLICITY	1031	#if EV_MULTIPLICITY
946	struct ev_loop *loop = default_loop;	1032	struct ev_loop *loop = ev_default_loop_ptr;
947	#endif	1033	#endif
948		1034
949	if (method)	1035	if (method)
950	postfork = 1;	1036	postfork = 1;
951	}	1037	}
…		…
962	return 1;	1048	return 1;
963		1049
964	return 0;	1050	return 0;
965	}	1051	}
966		1052
967	static void	1053	inline void
968	call_pending (EV_P)	1054	call_pending (EV_P)
969	{	1055	{
970	int pri;	1056	int pri;
971		1057
972	for (pri = NUMPRI; pri--; )	1058	for (pri = NUMPRI; pri--; )
973	while (pendingcnt [pri])	1059	while (pendingcnt [pri])
974	{	1060	{
975	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1061	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
976		1062
977	if (p->w)	1063	if (expect_true (p->w))
978	{	1064	{
979	p->w->pending = 0;	1065	p->w->pending = 0;
980	EV_CB_INVOKE (p->w, p->events);	1066	EV_CB_INVOKE (p->w, p->events);
981	}	1067	}
982	}	1068	}
983	}	1069	}
984		1070
985	static void	1071	inline void
986	timers_reify (EV_P)	1072	timers_reify (EV_P)
987	{	1073	{
988	while (timercnt && ((WT)timers [0])->at <= mn_now)	1074	while (timercnt && ((WT)timers [0])->at <= mn_now)
989	{	1075	{
990	struct ev_timer *w = timers [0];	1076	struct ev_timer *w = timers [0];
…		…
1008	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1094	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1009	}	1095	}
1010	}	1096	}
1011		1097
1012	#if EV_PERIODICS	1098	#if EV_PERIODICS
1013	static void	1099	inline void
1014	periodics_reify (EV_P)	1100	periodics_reify (EV_P)
1015	{	1101	{
1016	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)	1102	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1017	{	1103	{
1018	struct ev_periodic *w = periodics [0];	1104	struct ev_periodic *w = periodics [0];
…		…
1020	assert (("inactive timer on periodic heap detected", ev_is_active (w)));	1106	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
1021		1107
1022	/* first reschedule or stop timer */	1108	/* first reschedule or stop timer */
1023	if (w->reschedule_cb)	1109	if (w->reschedule_cb)
1024	{	1110	{
1025	ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);	1111	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
1026
1027	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));	1112	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1028	downheap ((WT *)periodics, periodiccnt, 0);	1113	downheap ((WT *)periodics, periodiccnt, 0);
1029	}	1114	}
1030	else if (w->interval)	1115	else if (w->interval)
1031	{	1116	{
…		…
1078	ev_rt_now = ev_time ();	1163	ev_rt_now = ev_time ();
1079	return 1;	1164	return 1;
1080	}	1165	}
1081	}	1166	}
1082		1167
1083	static void	1168	inline void
1084	time_update (EV_P)	1169	time_update (EV_P)
1085	{	1170	{
1086	int i;	1171	int i;
1087		1172
1088	#if EV_USE_MONOTONIC	1173	#if EV_USE_MONOTONIC
…		…
1149	ev_loop (EV_P_ int flags)	1234	ev_loop (EV_P_ int flags)
1150	{	1235	{
1151	double block;	1236	double block;
1152	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1237	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
1153		1238
1154	do	1239	while (activecnt)
1155	{	1240	{
1156	/* queue check watchers (and execute them) */	1241	/* queue check watchers (and execute them) */
1157	if (expect_false (preparecnt))	1242	if (expect_false (preparecnt))
1158	{	1243	{
1159	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1244	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
…		…
1199	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;	1284	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
1200	if (block > to) block = to;	1285	if (block > to) block = to;
1201	}	1286	}
1202	#endif	1287	#endif
1203		1288
1204	if (block < 0.) block = 0.;	1289	if (expect_false (block < 0.)) block = 0.;
1205	}	1290	}
1206		1291
1207	method_poll (EV_A_ block);	1292	method_poll (EV_A_ block);
1208		1293
1209	/* update ev_rt_now, do magic */	1294	/* update ev_rt_now, do magic */
…		…
1218	/* queue idle watchers unless io or timers are pending */	1303	/* queue idle watchers unless io or timers are pending */
1219	if (idlecnt && !any_pending (EV_A))	1304	if (idlecnt && !any_pending (EV_A))
1220	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1305	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
1221		1306
1222	/* queue check watchers, to be executed first */	1307	/* queue check watchers, to be executed first */
1223	if (checkcnt)	1308	if (expect_false (checkcnt))
1224	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1309	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1225		1310
1226	call_pending (EV_A);	1311	call_pending (EV_A);
		1312
		1313	if (expect_false (loop_done))
		1314	break;
1227	}	1315	}
1228	while (activecnt && !loop_done);
1229		1316
1230	if (loop_done != 2)	1317	if (loop_done != 2)
1231	loop_done = 0;	1318	loop_done = 0;
1232	}	1319	}
1233		1320
…		…
1293	void	1380	void
1294	ev_io_start (EV_P_ struct ev_io *w)	1381	ev_io_start (EV_P_ struct ev_io *w)
1295	{	1382	{
1296	int fd = w->fd;	1383	int fd = w->fd;
1297		1384
1298	if (ev_is_active (w))	1385	if (expect_false (ev_is_active (w)))
1299	return;	1386	return;
1300		1387
1301	assert (("ev_io_start called with negative fd", fd >= 0));	1388	assert (("ev_io_start called with negative fd", fd >= 0));
1302		1389
1303	ev_start (EV_A_ (W)w, 1);	1390	ev_start (EV_A_ (W)w, 1);
…		…
1309		1396
1310	void	1397	void
1311	ev_io_stop (EV_P_ struct ev_io *w)	1398	ev_io_stop (EV_P_ struct ev_io *w)
1312	{	1399	{
1313	ev_clear_pending (EV_A_ (W)w);	1400	ev_clear_pending (EV_A_ (W)w);
1314	if (!ev_is_active (w))	1401	if (expect_false (!ev_is_active (w)))
1315	return;	1402	return;
1316		1403
1317	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	1404	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1318		1405
1319	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1406	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
…		…
1323	}	1410	}
1324		1411
1325	void	1412	void
1326	ev_timer_start (EV_P_ struct ev_timer *w)	1413	ev_timer_start (EV_P_ struct ev_timer *w)
1327	{	1414	{
1328	if (ev_is_active (w))	1415	if (expect_false (ev_is_active (w)))
1329	return;	1416	return;
1330		1417
1331	((WT)w)->at += mn_now;	1418	((WT)w)->at += mn_now;
1332		1419
1333	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1420	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1334		1421
1335	ev_start (EV_A_ (W)w, ++timercnt);	1422	ev_start (EV_A_ (W)w, ++timercnt);
1336	array_needsize (struct ev_timer *, timers, timermax, timercnt, (void));	1423	array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2);
1337	timers [timercnt - 1] = w;	1424	timers [timercnt - 1] = w;
1338	upheap ((WT *)timers, timercnt - 1);	1425	upheap ((WT *)timers, timercnt - 1);
1339		1426
1340	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1427	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1341	}	1428	}
1342		1429
1343	void	1430	void
1344	ev_timer_stop (EV_P_ struct ev_timer *w)	1431	ev_timer_stop (EV_P_ struct ev_timer *w)
1345	{	1432	{
1346	ev_clear_pending (EV_A_ (W)w);	1433	ev_clear_pending (EV_A_ (W)w);
1347	if (!ev_is_active (w))	1434	if (expect_false (!ev_is_active (w)))
1348	return;	1435	return;
1349		1436
1350	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1437	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1351		1438
1352	if (((W)w)->active < timercnt--)	1439	if (expect_true (((W)w)->active < timercnt--))
1353	{	1440	{
1354	timers [((W)w)->active - 1] = timers [timercnt];	1441	timers [((W)w)->active - 1] = timers [timercnt];
1355	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1442	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1356	}	1443	}
1357		1444
1358	((WT)w)->at -= mn_now;	1445	((WT)w)->at -= mn_now;
1359		1446
1360	ev_stop (EV_A_ (W)w);	1447	ev_stop (EV_A_ (W)w);
…		…
1364	ev_timer_again (EV_P_ struct ev_timer *w)	1451	ev_timer_again (EV_P_ struct ev_timer *w)
1365	{	1452	{
1366	if (ev_is_active (w))	1453	if (ev_is_active (w))
1367	{	1454	{
1368	if (w->repeat)	1455	if (w->repeat)
		1456	{
		1457	((WT)w)->at = mn_now + w->repeat;
1369	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1, mn_now + w->repeat);	1458	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
		1459	}
1370	else	1460	else
1371	ev_timer_stop (EV_A_ w);	1461	ev_timer_stop (EV_A_ w);
1372	}	1462	}
1373	else if (w->repeat)	1463	else if (w->repeat)
		1464	{
		1465	w->at = w->repeat;
1374	ev_timer_start (EV_A_ w);	1466	ev_timer_start (EV_A_ w);
		1467	}
1375	}	1468	}
1376		1469
1377	#if EV_PERIODICS	1470	#if EV_PERIODICS
1378	void	1471	void
1379	ev_periodic_start (EV_P_ struct ev_periodic *w)	1472	ev_periodic_start (EV_P_ struct ev_periodic *w)
1380	{	1473	{
1381	if (ev_is_active (w))	1474	if (expect_false (ev_is_active (w)))
1382	return;	1475	return;
1383		1476
1384	if (w->reschedule_cb)	1477	if (w->reschedule_cb)
1385	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1478	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1386	else if (w->interval)	1479	else if (w->interval)
…		…
1389	/* this formula differs from the one in periodic_reify because we do not always round up */	1482	/* this formula differs from the one in periodic_reify because we do not always round up */
1390	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;	1483	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
1391	}	1484	}
1392		1485
1393	ev_start (EV_A_ (W)w, ++periodiccnt);	1486	ev_start (EV_A_ (W)w, ++periodiccnt);
1394	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void));	1487	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1395	periodics [periodiccnt - 1] = w;	1488	periodics [periodiccnt - 1] = w;
1396	upheap ((WT *)periodics, periodiccnt - 1);	1489	upheap ((WT *)periodics, periodiccnt - 1);
1397		1490
1398	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1491	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1399	}	1492	}
1400		1493
1401	void	1494	void
1402	ev_periodic_stop (EV_P_ struct ev_periodic *w)	1495	ev_periodic_stop (EV_P_ struct ev_periodic *w)
1403	{	1496	{
1404	ev_clear_pending (EV_A_ (W)w);	1497	ev_clear_pending (EV_A_ (W)w);
1405	if (!ev_is_active (w))	1498	if (expect_false (!ev_is_active (w)))
1406	return;	1499	return;
1407		1500
1408	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1501	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1409		1502
1410	if (((W)w)->active < periodiccnt--)	1503	if (expect_true (((W)w)->active < periodiccnt--))
1411	{	1504	{
1412	periodics [((W)w)->active - 1] = periodics [periodiccnt];	1505	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1413	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);	1506	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1414	}	1507	}
1415		1508
1416	ev_stop (EV_A_ (W)w);	1509	ev_stop (EV_A_ (W)w);
1417	}	1510	}
1418		1511
…		…
1426	#endif	1519	#endif
1427		1520
1428	void	1521	void
1429	ev_idle_start (EV_P_ struct ev_idle *w)	1522	ev_idle_start (EV_P_ struct ev_idle *w)
1430	{	1523	{
1431	if (ev_is_active (w))	1524	if (expect_false (ev_is_active (w)))
1432	return;	1525	return;
1433		1526
1434	ev_start (EV_A_ (W)w, ++idlecnt);	1527	ev_start (EV_A_ (W)w, ++idlecnt);
1435	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void));	1528	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1436	idles [idlecnt - 1] = w;	1529	idles [idlecnt - 1] = w;
1437	}	1530	}
1438		1531
1439	void	1532	void
1440	ev_idle_stop (EV_P_ struct ev_idle *w)	1533	ev_idle_stop (EV_P_ struct ev_idle *w)
1441	{	1534	{
1442	ev_clear_pending (EV_A_ (W)w);	1535	ev_clear_pending (EV_A_ (W)w);
1443	if (ev_is_active (w))	1536	if (expect_false (!ev_is_active (w)))
1444	return;	1537	return;
1445		1538
1446	idles [((W)w)->active - 1] = idles [--idlecnt];	1539	idles [((W)w)->active - 1] = idles [--idlecnt];
1447	ev_stop (EV_A_ (W)w);	1540	ev_stop (EV_A_ (W)w);
1448	}	1541	}
1449		1542
1450	void	1543	void
1451	ev_prepare_start (EV_P_ struct ev_prepare *w)	1544	ev_prepare_start (EV_P_ struct ev_prepare *w)
1452	{	1545	{
1453	if (ev_is_active (w))	1546	if (expect_false (ev_is_active (w)))
1454	return;	1547	return;
1455		1548
1456	ev_start (EV_A_ (W)w, ++preparecnt);	1549	ev_start (EV_A_ (W)w, ++preparecnt);
1457	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void));	1550	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1458	prepares [preparecnt - 1] = w;	1551	prepares [preparecnt - 1] = w;
1459	}	1552	}
1460		1553
1461	void	1554	void
1462	ev_prepare_stop (EV_P_ struct ev_prepare *w)	1555	ev_prepare_stop (EV_P_ struct ev_prepare *w)
1463	{	1556	{
1464	ev_clear_pending (EV_A_ (W)w);	1557	ev_clear_pending (EV_A_ (W)w);
1465	if (ev_is_active (w))	1558	if (expect_false (!ev_is_active (w)))
1466	return;	1559	return;
1467		1560
1468	prepares [((W)w)->active - 1] = prepares [--preparecnt];	1561	prepares [((W)w)->active - 1] = prepares [--preparecnt];
1469	ev_stop (EV_A_ (W)w);	1562	ev_stop (EV_A_ (W)w);
1470	}	1563	}
1471		1564
1472	void	1565	void
1473	ev_check_start (EV_P_ struct ev_check *w)	1566	ev_check_start (EV_P_ struct ev_check *w)
1474	{	1567	{
1475	if (ev_is_active (w))	1568	if (expect_false (ev_is_active (w)))
1476	return;	1569	return;
1477		1570
1478	ev_start (EV_A_ (W)w, ++checkcnt);	1571	ev_start (EV_A_ (W)w, ++checkcnt);
1479	array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void));	1572	array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2);
1480	checks [checkcnt - 1] = w;	1573	checks [checkcnt - 1] = w;
1481	}	1574	}
1482		1575
1483	void	1576	void
1484	ev_check_stop (EV_P_ struct ev_check *w)	1577	ev_check_stop (EV_P_ struct ev_check *w)
1485	{	1578	{
1486	ev_clear_pending (EV_A_ (W)w);	1579	ev_clear_pending (EV_A_ (W)w);
1487	if (!ev_is_active (w))	1580	if (expect_false (!ev_is_active (w)))
1488	return;	1581	return;
1489		1582
1490	checks [((W)w)->active - 1] = checks [--checkcnt];	1583	checks [((W)w)->active - 1] = checks [--checkcnt];
1491	ev_stop (EV_A_ (W)w);	1584	ev_stop (EV_A_ (W)w);
1492	}	1585	}
…		…
1497		1590
1498	void	1591	void
1499	ev_signal_start (EV_P_ struct ev_signal *w)	1592	ev_signal_start (EV_P_ struct ev_signal *w)
1500	{	1593	{
1501	#if EV_MULTIPLICITY	1594	#if EV_MULTIPLICITY
1502	assert (("signal watchers are only supported in the default loop", loop == default_loop));	1595	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1503	#endif	1596	#endif
1504	if (ev_is_active (w))	1597	if (expect_false (ev_is_active (w)))
1505	return;	1598	return;
1506		1599
1507	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1600	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1508		1601
1509	ev_start (EV_A_ (W)w, 1);	1602	ev_start (EV_A_ (W)w, 1);
1510	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);	1603	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1511	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1604	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1512		1605
1513	if (!((WL)w)->next)	1606	if (!((WL)w)->next)
1514	{	1607	{
1515	#if WIN32	1608	#if _WIN32
1516	signal (w->signum, sighandler);	1609	signal (w->signum, sighandler);
1517	#else	1610	#else
1518	struct sigaction sa;	1611	struct sigaction sa;
1519	sa.sa_handler = sighandler;	1612	sa.sa_handler = sighandler;
1520	sigfillset (&sa.sa_mask);	1613	sigfillset (&sa.sa_mask);
…		…
1526		1619
1527	void	1620	void
1528	ev_signal_stop (EV_P_ struct ev_signal *w)	1621	ev_signal_stop (EV_P_ struct ev_signal *w)
1529	{	1622	{
1530	ev_clear_pending (EV_A_ (W)w);	1623	ev_clear_pending (EV_A_ (W)w);
1531	if (!ev_is_active (w))	1624	if (expect_false (!ev_is_active (w)))
1532	return;	1625	return;
1533		1626
1534	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1627	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1535	ev_stop (EV_A_ (W)w);	1628	ev_stop (EV_A_ (W)w);
1536		1629
…		…
1540		1633
1541	void	1634	void
1542	ev_child_start (EV_P_ struct ev_child *w)	1635	ev_child_start (EV_P_ struct ev_child *w)
1543	{	1636	{
1544	#if EV_MULTIPLICITY	1637	#if EV_MULTIPLICITY
1545	assert (("child watchers are only supported in the default loop", loop == default_loop));	1638	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1546	#endif	1639	#endif
1547	if (ev_is_active (w))	1640	if (expect_false (ev_is_active (w)))
1548	return;	1641	return;
1549		1642
1550	ev_start (EV_A_ (W)w, 1);	1643	ev_start (EV_A_ (W)w, 1);
1551	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1644	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1552	}	1645	}
1553		1646
1554	void	1647	void
1555	ev_child_stop (EV_P_ struct ev_child *w)	1648	ev_child_stop (EV_P_ struct ev_child *w)
1556	{	1649	{
1557	ev_clear_pending (EV_A_ (W)w);	1650	ev_clear_pending (EV_A_ (W)w);
1558	if (!ev_is_active (w))	1651	if (expect_false (!ev_is_active (w)))
1559	return;	1652	return;
1560		1653
1561	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1654	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1562	ev_stop (EV_A_ (W)w);	1655	ev_stop (EV_A_ (W)w);
1563	}	1656	}
…		…
1600	void	1693	void
1601	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1694	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1602	{	1695	{
1603	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));	1696	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1604		1697
1605	if (!once)	1698	if (expect_false (!once))
		1699	{
1606	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1700	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1607	else	1701	return;
1608	{	1702	}
		1703
1609	once->cb = cb;	1704	once->cb = cb;
1610	once->arg = arg;	1705	once->arg = arg;
1611		1706
1612	ev_init (&once->io, once_cb_io);	1707	ev_init (&once->io, once_cb_io);
1613	if (fd >= 0)	1708	if (fd >= 0)
1614	{	1709	{
1615	ev_io_set (&once->io, fd, events);	1710	ev_io_set (&once->io, fd, events);
1616	ev_io_start (EV_A_ &once->io);	1711	ev_io_start (EV_A_ &once->io);
1617	}	1712	}
1618		1713
1619	ev_init (&once->to, once_cb_to);	1714	ev_init (&once->to, once_cb_to);
1620	if (timeout >= 0.)	1715	if (timeout >= 0.)
1621	{	1716	{
1622	ev_timer_set (&once->to, timeout, 0.);	1717	ev_timer_set (&once->to, timeout, 0.);
1623	ev_timer_start (EV_A_ &once->to);	1718	ev_timer_start (EV_A_ &once->to);
1624	}
1625	}	1719	}
1626	}	1720	}
1627		1721
1628	#ifdef __cplusplus	1722	#ifdef __cplusplus
1629	}	1723	}

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Comparing libev/ev.c (file contents): Revision 1.97 by root, Sun Nov 11 01:53:07 2007 UTC vs. Revision 1.129 by root, Fri Nov 23 05:00:44 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.97 by root, Sun Nov 11 01:53:07 2007 UTC vs.
Revision 1.129 by root, Fri Nov 23 05:00:44 2007 UTC