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

Comparing libev/ev.c (file contents):
Revision 1.92 by root, Sun Nov 11 00:08:54 2007 UTC vs.
Revision 1.127 by root, Sun Nov 18 02:17:57 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
		55	# ifndef EV_USE_SELECT
44	# if HAVE_SELECT && HAVE_SYS_SELECT_H	56	# if HAVE_SELECT && HAVE_SYS_SELECT_H
45	# define EV_USE_SELECT 1	57	# define EV_USE_SELECT 1
		58	# else
		59	# define EV_USE_SELECT 0
		60	# endif
46	# endif	61	# endif
47		62
		63	# ifndef EV_USE_POLL
48	# if HAVE_POLL && HAVE_POLL_H	64	# if HAVE_POLL && HAVE_POLL_H
49	# define EV_USE_POLL 1	65	# define EV_USE_POLL 1
		66	# else
		67	# define EV_USE_POLL 0
		68	# endif
50	# endif	69	# endif
51		70
		71	# ifndef EV_USE_EPOLL
52	# if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H	72	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
53	# define EV_USE_EPOLL 1	73	# define EV_USE_EPOLL 1
		74	# else
		75	# define EV_USE_EPOLL 0
		76	# endif
54	# endif	77	# endif
55		78
		79	# ifndef EV_USE_KQUEUE
56	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H	80	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H
57	# 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
58	# endif	93	# endif
59		94
60	#endif	95	#endif
61		96
62	#include <math.h>	97	#include <math.h>
…		…
71	#include <sys/types.h>	106	#include <sys/types.h>
72	#include <time.h>	107	#include <time.h>
73		108
74	#include <signal.h>	109	#include <signal.h>
75		110
76	#ifndef WIN32	111	#ifndef _WIN32
77	# include <unistd.h>	112	# include <unistd.h>
78	# include <sys/time.h>	113	# include <sys/time.h>
79	# 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
80	#endif	120	# endif
		121	#endif
		122
81	/**/	123	/**/
82		124
83	#ifndef EV_USE_MONOTONIC	125	#ifndef EV_USE_MONOTONIC
84	# 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
85	#endif	131	#endif
86		132
87	#ifndef EV_USE_SELECT	133	#ifndef EV_USE_SELECT
88	# define EV_USE_SELECT 1	134	# define EV_USE_SELECT 1
89	#endif	135	#endif
90		136
91	#ifndef EV_USE_POLL	137	#ifndef EV_USE_POLL
92	# 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
93	#endif	143	#endif
94		144
95	#ifndef EV_USE_EPOLL	145	#ifndef EV_USE_EPOLL
96	# define EV_USE_EPOLL 0	146	# define EV_USE_EPOLL 0
97	#endif	147	#endif
98		148
99	#ifndef EV_USE_KQUEUE	149	#ifndef EV_USE_KQUEUE
100	# define EV_USE_KQUEUE 0	150	# define EV_USE_KQUEUE 0
101	#endif	151	#endif
102		152
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	153	#ifndef EV_USE_PORT
114	# define EV_USE_REALTIME 1	154	# define EV_USE_PORT 0
115	#endif	155	#endif
116		156
117	/**/	157	/**/
		158
		159	/* darwin simply cannot be helped */
		160	#ifdef __APPLE__
		161	# undef EV_USE_POLL
		162	# undef EV_USE_KQUEUE
		163	#endif
118		164
119	#ifndef CLOCK_MONOTONIC	165	#ifndef CLOCK_MONOTONIC
120	# undef EV_USE_MONOTONIC	166	# undef EV_USE_MONOTONIC
121	# define EV_USE_MONOTONIC 0	167	# define EV_USE_MONOTONIC 0
122	#endif	168	#endif
…		…
124	#ifndef CLOCK_REALTIME	170	#ifndef CLOCK_REALTIME
125	# undef EV_USE_REALTIME	171	# undef EV_USE_REALTIME
126	# define EV_USE_REALTIME 0	172	# define EV_USE_REALTIME 0
127	#endif	173	#endif
128		174
		175	#if EV_SELECT_IS_WINSOCKET
		176	# include <winsock.h>
		177	#endif
		178
129	/**/	179	/**/
130		180
131	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	181	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
132	#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */	182	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
133	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */	183	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */
134	/#define CLEANUP_INTERVAL 300. / how often to try to free memory and re-check fds */	184	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds */
135		185
136	#ifdef EV_H	186	#ifdef EV_H
137	# include EV_H	187	# include EV_H
138	#else	188	#else
139	# include "ev.h"	189	# include "ev.h"
140	#endif	190	#endif
141		191
142	#if __GNUC__ >= 3	192	#if __GNUC__ >= 3
143	# define expect(expr,value) __builtin_expect ((expr),(value))	193	# define expect(expr,value) __builtin_expect ((expr),(value))
144	# define inline inline	194	# define inline static inline
145	#else	195	#else
146	# define expect(expr,value) (expr)	196	# define expect(expr,value) (expr)
147	# define inline static	197	# define inline static
148	#endif	198	#endif
149		199
…		…
151	#define expect_true(expr) expect ((expr) != 0, 1)	201	#define expect_true(expr) expect ((expr) != 0, 1)
152		202
153	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	203	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
154	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	204	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
155		205
		206	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
		207	#define EMPTY2(a,b) /* used to suppress some warnings */
		208
156	typedef struct ev_watcher *W;	209	typedef struct ev_watcher *W;
157	typedef struct ev_watcher_list *WL;	210	typedef struct ev_watcher_list *WL;
158	typedef struct ev_watcher_time *WT;	211	typedef struct ev_watcher_time *WT;
159		212
160	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	213	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
161		214
		215	#ifdef _WIN32
162	#include "ev_win32.c"	216	# include "ev_win32.c"
		217	#endif
163		218
164	/*****************************************************************************/	219	/*****************************************************************************/
165		220
166	static void (syserr_cb)(const char msg);	221	static void (syserr_cb)(const char msg);
167		222
…		…
214	typedef struct	269	typedef struct
215	{	270	{
216	WL head;	271	WL head;
217	unsigned char events;	272	unsigned char events;
218	unsigned char reify;	273	unsigned char reify;
		274	#if EV_SELECT_IS_WINSOCKET
		275	SOCKET handle;
		276	#endif
219	} ANFD;	277	} ANFD;
220		278
221	typedef struct	279	typedef struct
222	{	280	{
223	W w;	281	W w;
…		…
227	#if EV_MULTIPLICITY	285	#if EV_MULTIPLICITY
228		286
229	struct ev_loop	287	struct ev_loop
230	{	288	{
231	ev_tstamp ev_rt_now;	289	ev_tstamp ev_rt_now;
		290	#define ev_rt_now ((loop)->ev_rt_now)
232	#define VAR(name,decl) decl;	291	#define VAR(name,decl) decl;
233	#include "ev_vars.h"	292	#include "ev_vars.h"
234	#undef VAR	293	#undef VAR
235	};	294	};
236	#include "ev_wrap.h"	295	#include "ev_wrap.h"
237		296
238	struct ev_loop default_loop_struct;	297	static struct ev_loop default_loop_struct;
239	static struct ev_loop *default_loop;	298	struct ev_loop *ev_default_loop_ptr;
240		299
241	#else	300	#else
242		301
243	ev_tstamp ev_rt_now;	302	ev_tstamp ev_rt_now;
244	#define VAR(name,decl) static decl;	303	#define VAR(name,decl) static decl;
245	#include "ev_vars.h"	304	#include "ev_vars.h"
246	#undef VAR	305	#undef VAR
247		306
248	static int default_loop;	307	static int ev_default_loop_ptr;
249		308
250	#endif	309	#endif
251		310
252	/*****************************************************************************/	311	/*****************************************************************************/
253		312
…		…
286	{	345	{
287	return ev_rt_now;	346	return ev_rt_now;
288	}	347	}
289	#endif	348	#endif
290		349
291	#define array_roundsize(type,n) ((n) \| 4 & ~3)	350	#define array_roundsize(type,n) (((n) \| 4) & ~3)
292		351
293	#define array_needsize(type,base,cur,cnt,init) \	352	#define array_needsize(type,base,cur,cnt,init) \
294	if (expect_false ((cnt) > cur)) \	353	if (expect_false ((cnt) > cur)) \
295	{ \	354	{ \
296	int newcnt = cur; \	355	int newcnt = cur; \
…		…
311	stem ## max = array_roundsize (stem ## cnt >> 1); \	370	stem ## max = array_roundsize (stem ## cnt >> 1); \
312	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\	371	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
313	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\	372	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
314	}	373	}
315		374
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) \	375	#define array_free(stem, idx) \
322	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;	376	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
323		377
324	/*****************************************************************************/	378	/*****************************************************************************/
325		379
…		…
339	void	393	void
340	ev_feed_event (EV_P_ void *w, int revents)	394	ev_feed_event (EV_P_ void *w, int revents)
341	{	395	{
342	W w_ = (W)w;	396	W w_ = (W)w;
343		397
344	if (w_->pending)	398	if (expect_false (w_->pending))
345	{	399	{
346	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;	400	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
347	return;	401	return;
348	}	402	}
349		403
350	w_->pending = ++pendingcnt [ABSPRI (w_)];	404	w_->pending = ++pendingcnt [ABSPRI (w_)];
351	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void));	405	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
352	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;	406	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
353	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;	407	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
354	}	408	}
355		409
356	static void	410	static void
…		…
383	fd_event (EV_A_ fd, revents);	437	fd_event (EV_A_ fd, revents);
384	}	438	}
385		439
386	/*****************************************************************************/	440	/*****************************************************************************/
387		441
388	static void	442	inline void
389	fd_reify (EV_P)	443	fd_reify (EV_P)
390	{	444	{
391	int i;	445	int i;
392		446
393	for (i = 0; i < fdchangecnt; ++i)	447	for (i = 0; i < fdchangecnt; ++i)
…		…
399	int events = 0;	453	int events = 0;
400		454
401	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	455	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
402	events \|= w->events;	456	events \|= w->events;
403		457
		458	#if EV_SELECT_IS_WINSOCKET
		459	if (events)
		460	{
		461	unsigned long argp;
		462	anfd->handle = _get_osfhandle (fd);
		463	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
		464	}
		465	#endif
		466
404	anfd->reify = 0;	467	anfd->reify = 0;
405		468
406	method_modify (EV_A_ fd, anfd->events, events);	469	method_modify (EV_A_ fd, anfd->events, events);
407	anfd->events = events;	470	anfd->events = events;
408	}	471	}
…		…
411	}	474	}
412		475
413	static void	476	static void
414	fd_change (EV_P_ int fd)	477	fd_change (EV_P_ int fd)
415	{	478	{
416	if (anfds [fd].reify)	479	if (expect_false (anfds [fd].reify))
417	return;	480	return;
418		481
419	anfds [fd].reify = 1;	482	anfds [fd].reify = 1;
420		483
421	++fdchangecnt;	484	++fdchangecnt;
422	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void));	485	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
423	fdchanges [fdchangecnt - 1] = fd;	486	fdchanges [fdchangecnt - 1] = fd;
424	}	487	}
425		488
426	static void	489	static void
427	fd_kill (EV_P_ int fd)	490	fd_kill (EV_P_ int fd)
…		…
433	ev_io_stop (EV_A_ w);	496	ev_io_stop (EV_A_ w);
434	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	497	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
435	}	498	}
436	}	499	}
437		500
438	static int	501	inline int
439	fd_valid (int fd)	502	fd_valid (int fd)
440	{	503	{
441	#ifdef WIN32	504	#ifdef _WIN32
442	return !!win32_get_osfhandle (fd);	505	return _get_osfhandle (fd) != -1;
443	#else	506	#else
444	return fcntl (fd, F_GETFD) != -1;	507	return fcntl (fd, F_GETFD) != -1;
445	#endif	508	#endif
446	}	509	}
447		510
…		…
528	heap [k] = w;	591	heap [k] = w;
529	((W)heap [k])->active = k + 1;	592	((W)heap [k])->active = k + 1;
530	}	593	}
531		594
532	inline void	595	inline void
533	adjustheap (WT *heap, int N, int k, ev_tstamp at)	596	adjustheap (WT *heap, int N, int k)
534	{	597	{
535	ev_tstamp old_at = heap [k]->at;	598	upheap (heap, k);
536	heap [k]->at = at;
537
538	if (old_at < at)
539	downheap (heap, N, k);	599	downheap (heap, N, k);
540	else
541	upheap (heap, k);
542	}	600	}
543		601
544	/*****************************************************************************/	602	/*****************************************************************************/
545		603
546	typedef struct	604	typedef struct
…		…
569	}	627	}
570		628
571	static void	629	static void
572	sighandler (int signum)	630	sighandler (int signum)
573	{	631	{
574	#if WIN32	632	#if _WIN32
575	signal (signum, sighandler);	633	signal (signum, sighandler);
576	#endif	634	#endif
577		635
578	signals [signum - 1].gotsig = 1;	636	signals [signum - 1].gotsig = 1;
579		637
580	if (!gotsig)	638	if (!gotsig)
581	{	639	{
582	int old_errno = errno;	640	int old_errno = errno;
583	gotsig = 1;	641	gotsig = 1;
584	#ifdef WIN32
585	send (sigpipe [1], &signum, 1, MSG_DONTWAIT);
586	#else
587	write (sigpipe [1], &signum, 1);	642	write (sigpipe [1], &signum, 1);
588	#endif
589	errno = old_errno;	643	errno = old_errno;
590	}	644	}
591	}	645	}
592		646
593	void	647	void
594	ev_feed_signal_event (EV_P_ int signum)	648	ev_feed_signal_event (EV_P_ int signum)
595	{	649	{
596	WL w;	650	WL w;
597		651
598	#if EV_MULTIPLICITY	652	#if EV_MULTIPLICITY
599	assert (("feeding signal events is only supported in the default loop", loop == default_loop));	653	assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
600	#endif	654	#endif
601		655
602	--signum;	656	--signum;
603		657
604	if (signum < 0 \|\| signum >= signalmax)	658	if (signum < 0 \|\| signum >= signalmax)
…		…
613	static void	667	static void
614	sigcb (EV_P_ struct ev_io *iow, int revents)	668	sigcb (EV_P_ struct ev_io *iow, int revents)
615	{	669	{
616	int signum;	670	int signum;
617		671
618	#ifdef WIN32
619	recv (sigpipe [0], &revents, 1, MSG_DONTWAIT);
620	#else
621	read (sigpipe [0], &revents, 1);	672	read (sigpipe [0], &revents, 1);
622	#endif
623	gotsig = 0;	673	gotsig = 0;
624		674
625	for (signum = signalmax; signum--; )	675	for (signum = signalmax; signum--; )
626	if (signals [signum].gotsig)	676	if (signals [signum].gotsig)
627	ev_feed_signal_event (EV_A_ signum + 1);	677	ev_feed_signal_event (EV_A_ signum + 1);
628	}	678	}
629		679
630	static void	680	static void
		681	fd_intern (int fd)
		682	{
		683	#ifdef _WIN32
		684	int arg = 1;
		685	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
		686	#else
		687	fcntl (fd, F_SETFD, FD_CLOEXEC);
		688	fcntl (fd, F_SETFL, O_NONBLOCK);
		689	#endif
		690	}
		691
		692	static void
631	siginit (EV_P)	693	siginit (EV_P)
632	{	694	{
633	#ifndef WIN32	695	fd_intern (sigpipe [0]);
634	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	696	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		697
642	ev_io_set (&sigev, sigpipe [0], EV_READ);	698	ev_io_set (&sigev, sigpipe [0], EV_READ);
643	ev_io_start (EV_A_ &sigev);	699	ev_io_start (EV_A_ &sigev);
644	ev_unref (EV_A); /* child watcher should not keep loop alive */	700	ev_unref (EV_A); /* child watcher should not keep loop alive */
645	}	701	}
646		702
647	/*****************************************************************************/	703	/*****************************************************************************/
648		704
649	static struct ev_child *childs [PID_HASHSIZE];	705	static struct ev_child *childs [PID_HASHSIZE];
650		706
651	#ifndef WIN32	707	#ifndef _WIN32
652		708
653	static struct ev_signal childev;	709	static struct ev_signal childev;
654		710
655	#ifndef WCONTINUED	711	#ifndef WCONTINUED
656	# define WCONTINUED 0	712	# define WCONTINUED 0
…		…
688		744
689	#endif	745	#endif
690		746
691	/*****************************************************************************/	747	/*****************************************************************************/
692		748
		749	#if EV_USE_PORT
		750	# include "ev_port.c"
		751	#endif
693	#if EV_USE_KQUEUE	752	#if EV_USE_KQUEUE
694	# include "ev_kqueue.c"	753	# include "ev_kqueue.c"
695	#endif	754	#endif
696	#if EV_USE_EPOLL	755	#if EV_USE_EPOLL
697	# include "ev_epoll.c"	756	# include "ev_epoll.c"
…		…
717		776
718	/* return true if we are running with elevated privileges and should ignore env variables */	777	/* return true if we are running with elevated privileges and should ignore env variables */
719	static int	778	static int
720	enable_secure (void)	779	enable_secure (void)
721	{	780	{
722	#ifdef WIN32	781	#ifdef _WIN32
723	return 0;	782	return 0;
724	#else	783	#else
725	return getuid () != geteuid ()	784	return getuid () != geteuid ()
726	\|\| getgid () != getegid ();	785	\|\| getgid () != getegid ();
727	#endif	786	#endif
728	}	787	}
729		788
730	int	789	unsigned int
731	ev_method (EV_P)	790	ev_method (EV_P)
732	{	791	{
733	return method;	792	return method;
734	}	793	}
735		794
736	static void	795	static void
737	loop_init (EV_P_ int methods)	796	loop_init (EV_P_ unsigned int flags)
738	{	797	{
739	if (!method)	798	if (!method)
740	{	799	{
741	#if EV_USE_MONOTONIC	800	#if EV_USE_MONOTONIC
742	{	801	{
…		…
749	ev_rt_now = ev_time ();	808	ev_rt_now = ev_time ();
750	mn_now = get_clock ();	809	mn_now = get_clock ();
751	now_floor = mn_now;	810	now_floor = mn_now;
752	rtmn_diff = ev_rt_now - mn_now;	811	rtmn_diff = ev_rt_now - mn_now;
753		812
754	if (methods == EVMETHOD_AUTO)	813	if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS"))
755	if (!enable_secure () && getenv ("LIBEV_METHODS"))
756	methods = atoi (getenv ("LIBEV_METHODS"));	814	flags = atoi (getenv ("LIBEV_FLAGS"));
757	else	815
758	methods = EVMETHOD_ANY;	816	if (!(flags & 0x0000ffff))
		817	flags \|= 0x0000ffff;
759		818
760	method = 0;	819	method = 0;
761	#if EV_USE_WIN32	820	#if EV_USE_PORT
762	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);	821	if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags);
763	#endif	822	#endif
764	#if EV_USE_KQUEUE	823	#if EV_USE_KQUEUE
765	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	824	if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags);
766	#endif	825	#endif
767	#if EV_USE_EPOLL	826	#if EV_USE_EPOLL
768	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	827	if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags);
769	#endif	828	#endif
770	#if EV_USE_POLL	829	#if EV_USE_POLL
771	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	830	if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags);
772	#endif	831	#endif
773	#if EV_USE_SELECT	832	#if EV_USE_SELECT
774	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	833	if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags);
775	#endif	834	#endif
776		835
777	ev_init (&sigev, sigcb);	836	ev_init (&sigev, sigcb);
778	ev_set_priority (&sigev, EV_MAXPRI);	837	ev_set_priority (&sigev, EV_MAXPRI);
779	}	838	}
780	}	839	}
781		840
782	void	841	static void
783	loop_destroy (EV_P)	842	loop_destroy (EV_P)
784	{	843	{
785	int i;	844	int i;
786		845
787	#if EV_USE_WIN32	846	#if EV_USE_PORT
788	if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);	847	if (method == EVMETHOD_PORT ) port_destroy (EV_A);
789	#endif	848	#endif
790	#if EV_USE_KQUEUE	849	#if EV_USE_KQUEUE
791	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);	850	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
792	#endif	851	#endif
793	#if EV_USE_EPOLL	852	#if EV_USE_EPOLL
…		…
802		861
803	for (i = NUMPRI; i--; )	862	for (i = NUMPRI; i--; )
804	array_free (pending, [i]);	863	array_free (pending, [i]);
805		864
806	/* have to use the microsoft-never-gets-it-right macro */	865	/* have to use the microsoft-never-gets-it-right macro */
807	array_free_microshit (fdchange);	866	array_free (fdchange, EMPTY0);
808	array_free_microshit (timer);	867	array_free (timer, EMPTY0);
809	array_free_microshit (periodic);	868	#if EV_PERIODICS
810	array_free_microshit (idle);	869	array_free (periodic, EMPTY0);
811	array_free_microshit (prepare);	870	#endif
812	array_free_microshit (check);	871	array_free (idle, EMPTY0);
		872	array_free (prepare, EMPTY0);
		873	array_free (check, EMPTY0);
813		874
814	method = 0;	875	method = 0;
815	}	876	}
816		877
817	static void	878	static void
818	loop_fork (EV_P)	879	loop_fork (EV_P)
819	{	880	{
		881	#if EV_USE_PORT
		882	if (method == EVMETHOD_PORT ) port_fork (EV_A);
		883	#endif
		884	#if EV_USE_KQUEUE
		885	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
		886	#endif
820	#if EV_USE_EPOLL	887	#if EV_USE_EPOLL
821	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);	888	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
822	#endif
823	#if EV_USE_KQUEUE
824	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
825	#endif	889	#endif
826		890
827	if (ev_is_active (&sigev))	891	if (ev_is_active (&sigev))
828	{	892	{
829	/* default loop */	893	/* default loop */
…		…
842	postfork = 0;	906	postfork = 0;
843	}	907	}
844		908
845	#if EV_MULTIPLICITY	909	#if EV_MULTIPLICITY
846	struct ev_loop *	910	struct ev_loop *
847	ev_loop_new (int methods)	911	ev_loop_new (unsigned int flags)
848	{	912	{
849	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));	913	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
850		914
851	memset (loop, 0, sizeof (struct ev_loop));	915	memset (loop, 0, sizeof (struct ev_loop));
852		916
853	loop_init (EV_A_ methods);	917	loop_init (EV_A_ flags);
854		918
855	if (ev_method (EV_A))	919	if (ev_method (EV_A))
856	return loop;	920	return loop;
857		921
858	return 0;	922	return 0;
…		…
873		937
874	#endif	938	#endif
875		939
876	#if EV_MULTIPLICITY	940	#if EV_MULTIPLICITY
877	struct ev_loop *	941	struct ev_loop *
		942	ev_default_loop_init (unsigned int flags)
878	#else	943	#else
879	int	944	int
		945	ev_default_loop (unsigned int flags)
880	#endif	946	#endif
881	ev_default_loop (int methods)
882	{	947	{
883	if (sigpipe [0] == sigpipe [1])	948	if (sigpipe [0] == sigpipe [1])
884	if (pipe (sigpipe))	949	if (pipe (sigpipe))
885	return 0;	950	return 0;
886		951
887	if (!default_loop)	952	if (!ev_default_loop_ptr)
888	{	953	{
889	#if EV_MULTIPLICITY	954	#if EV_MULTIPLICITY
890	struct ev_loop *loop = default_loop = &default_loop_struct;	955	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
891	#else	956	#else
892	default_loop = 1;	957	ev_default_loop_ptr = 1;
893	#endif	958	#endif
894		959
895	loop_init (EV_A_ methods);	960	loop_init (EV_A_ flags);
896		961
897	if (ev_method (EV_A))	962	if (ev_method (EV_A))
898	{	963	{
899	siginit (EV_A);	964	siginit (EV_A);
900		965
901	#ifndef WIN32	966	#ifndef _WIN32
902	ev_signal_init (&childev, childcb, SIGCHLD);	967	ev_signal_init (&childev, childcb, SIGCHLD);
903	ev_set_priority (&childev, EV_MAXPRI);	968	ev_set_priority (&childev, EV_MAXPRI);
904	ev_signal_start (EV_A_ &childev);	969	ev_signal_start (EV_A_ &childev);
905	ev_unref (EV_A); /* child watcher should not keep loop alive */	970	ev_unref (EV_A); /* child watcher should not keep loop alive */
906	#endif	971	#endif
907	}	972	}
908	else	973	else
909	default_loop = 0;	974	ev_default_loop_ptr = 0;
910	}	975	}
911		976
912	return default_loop;	977	return ev_default_loop_ptr;
913	}	978	}
914		979
915	void	980	void
916	ev_default_destroy (void)	981	ev_default_destroy (void)
917	{	982	{
918	#if EV_MULTIPLICITY	983	#if EV_MULTIPLICITY
919	struct ev_loop *loop = default_loop;	984	struct ev_loop *loop = ev_default_loop_ptr;
920	#endif	985	#endif
921		986
922	#ifndef WIN32	987	#ifndef _WIN32
923	ev_ref (EV_A); /* child watcher */	988	ev_ref (EV_A); /* child watcher */
924	ev_signal_stop (EV_A_ &childev);	989	ev_signal_stop (EV_A_ &childev);
925	#endif	990	#endif
926		991
927	ev_ref (EV_A); /* signal watcher */	992	ev_ref (EV_A); /* signal watcher */
…		…
935		1000
936	void	1001	void
937	ev_default_fork (void)	1002	ev_default_fork (void)
938	{	1003	{
939	#if EV_MULTIPLICITY	1004	#if EV_MULTIPLICITY
940	struct ev_loop *loop = default_loop;	1005	struct ev_loop *loop = ev_default_loop_ptr;
941	#endif	1006	#endif
942		1007
943	if (method)	1008	if (method)
944	postfork = 1;	1009	postfork = 1;
945	}	1010	}
…		…
956	return 1;	1021	return 1;
957		1022
958	return 0;	1023	return 0;
959	}	1024	}
960		1025
961	static void	1026	inline void
962	call_pending (EV_P)	1027	call_pending (EV_P)
963	{	1028	{
964	int pri;	1029	int pri;
965		1030
966	for (pri = NUMPRI; pri--; )	1031	for (pri = NUMPRI; pri--; )
967	while (pendingcnt [pri])	1032	while (pendingcnt [pri])
968	{	1033	{
969	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1034	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
970		1035
971	if (p->w)	1036	if (expect_true (p->w))
972	{	1037	{
973	p->w->pending = 0;	1038	p->w->pending = 0;
974	EV_CB_INVOKE (p->w, p->events);	1039	EV_CB_INVOKE (p->w, p->events);
975	}	1040	}
976	}	1041	}
977	}	1042	}
978		1043
979	static void	1044	inline void
980	timers_reify (EV_P)	1045	timers_reify (EV_P)
981	{	1046	{
982	while (timercnt && ((WT)timers [0])->at <= mn_now)	1047	while (timercnt && ((WT)timers [0])->at <= mn_now)
983	{	1048	{
984	struct ev_timer *w = timers [0];	1049	struct ev_timer *w = timers [0];
…		…
1001		1066
1002	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1067	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1003	}	1068	}
1004	}	1069	}
1005		1070
1006	static void	1071	#if EV_PERIODICS
		1072	inline void
1007	periodics_reify (EV_P)	1073	periodics_reify (EV_P)
1008	{	1074	{
1009	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)	1075	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1010	{	1076	{
1011	struct ev_periodic *w = periodics [0];	1077	struct ev_periodic *w = periodics [0];
…		…
1013	assert (("inactive timer on periodic heap detected", ev_is_active (w)));	1079	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
1014		1080
1015	/* first reschedule or stop timer */	1081	/* first reschedule or stop timer */
1016	if (w->reschedule_cb)	1082	if (w->reschedule_cb)
1017	{	1083	{
1018	ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);	1084	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
1019
1020	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));	1085	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1021	downheap ((WT *)periodics, periodiccnt, 0);	1086	downheap ((WT *)periodics, periodiccnt, 0);
1022	}	1087	}
1023	else if (w->interval)	1088	else if (w->interval)
1024	{	1089	{
…		…
1051		1116
1052	/* now rebuild the heap */	1117	/* now rebuild the heap */
1053	for (i = periodiccnt >> 1; i--; )	1118	for (i = periodiccnt >> 1; i--; )
1054	downheap ((WT *)periodics, periodiccnt, i);	1119	downheap ((WT *)periodics, periodiccnt, i);
1055	}	1120	}
		1121	#endif
1056		1122
1057	inline int	1123	inline int
1058	time_update_monotonic (EV_P)	1124	time_update_monotonic (EV_P)
1059	{	1125	{
1060	mn_now = get_clock ();	1126	mn_now = get_clock ();
…		…
1070	ev_rt_now = ev_time ();	1136	ev_rt_now = ev_time ();
1071	return 1;	1137	return 1;
1072	}	1138	}
1073	}	1139	}
1074		1140
1075	static void	1141	inline void
1076	time_update (EV_P)	1142	time_update (EV_P)
1077	{	1143	{
1078	int i;	1144	int i;
1079		1145
1080	#if EV_USE_MONOTONIC	1146	#if EV_USE_MONOTONIC
…		…
1094	ev_rt_now = ev_time ();	1160	ev_rt_now = ev_time ();
1095	mn_now = get_clock ();	1161	mn_now = get_clock ();
1096	now_floor = mn_now;	1162	now_floor = mn_now;
1097	}	1163	}
1098		1164
		1165	# if EV_PERIODICS
1099	periodics_reschedule (EV_A);	1166	periodics_reschedule (EV_A);
		1167	# endif
1100	/* no timer adjustment, as the monotonic clock doesn't jump */	1168	/* no timer adjustment, as the monotonic clock doesn't jump */
1101	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */	1169	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1102	}	1170	}
1103	}	1171	}
1104	else	1172	else
…		…
1106	{	1174	{
1107	ev_rt_now = ev_time ();	1175	ev_rt_now = ev_time ();
1108		1176
1109	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1177	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
1110	{	1178	{
		1179	#if EV_PERIODICS
1111	periodics_reschedule (EV_A);	1180	periodics_reschedule (EV_A);
		1181	#endif
1112		1182
1113	/* adjust timers. this is easy, as the offset is the same for all */	1183	/* adjust timers. this is easy, as the offset is the same for all */
1114	for (i = 0; i < timercnt; ++i)	1184	for (i = 0; i < timercnt; ++i)
1115	((WT)timers [i])->at += ev_rt_now - mn_now;	1185	((WT)timers [i])->at += ev_rt_now - mn_now;
1116	}	1186	}
…		…
1137	ev_loop (EV_P_ int flags)	1207	ev_loop (EV_P_ int flags)
1138	{	1208	{
1139	double block;	1209	double block;
1140	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1210	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
1141		1211
1142	do	1212	while (activecnt)
1143	{	1213	{
1144	/* queue check watchers (and execute them) */	1214	/* queue check watchers (and execute them) */
1145	if (expect_false (preparecnt))	1215	if (expect_false (preparecnt))
1146	{	1216	{
1147	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1217	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
…		…
1179	{	1249	{
1180	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;	1250	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
1181	if (block > to) block = to;	1251	if (block > to) block = to;
1182	}	1252	}
1183		1253
		1254	#if EV_PERIODICS
1184	if (periodiccnt)	1255	if (periodiccnt)
1185	{	1256	{
1186	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;	1257	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
1187	if (block > to) block = to;	1258	if (block > to) block = to;
1188	}	1259	}
		1260	#endif
1189		1261
1190	if (block < 0.) block = 0.;	1262	if (expect_false (block < 0.)) block = 0.;
1191	}	1263	}
1192		1264
1193	method_poll (EV_A_ block);	1265	method_poll (EV_A_ block);
1194		1266
1195	/* update ev_rt_now, do magic */	1267	/* update ev_rt_now, do magic */
1196	time_update (EV_A);	1268	time_update (EV_A);
1197		1269
1198	/* queue pending timers and reschedule them */	1270	/* queue pending timers and reschedule them */
1199	timers_reify (EV_A); /* relative timers called last */	1271	timers_reify (EV_A); /* relative timers called last */
		1272	#if EV_PERIODICS
1200	periodics_reify (EV_A); /* absolute timers called first */	1273	periodics_reify (EV_A); /* absolute timers called first */
		1274	#endif
1201		1275
1202	/* queue idle watchers unless io or timers are pending */	1276	/* queue idle watchers unless io or timers are pending */
1203	if (idlecnt && !any_pending (EV_A))	1277	if (idlecnt && !any_pending (EV_A))
1204	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1278	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
1205		1279
1206	/* queue check watchers, to be executed first */	1280	/* queue check watchers, to be executed first */
1207	if (checkcnt)	1281	if (expect_false (checkcnt))
1208	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1282	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1209		1283
1210	call_pending (EV_A);	1284	call_pending (EV_A);
		1285
		1286	if (expect_false (loop_done))
		1287	break;
1211	}	1288	}
1212	while (activecnt && !loop_done);
1213		1289
1214	if (loop_done != 2)	1290	if (loop_done != 2)
1215	loop_done = 0;	1291	loop_done = 0;
1216	}	1292	}
1217		1293
…		…
1277	void	1353	void
1278	ev_io_start (EV_P_ struct ev_io *w)	1354	ev_io_start (EV_P_ struct ev_io *w)
1279	{	1355	{
1280	int fd = w->fd;	1356	int fd = w->fd;
1281		1357
1282	if (ev_is_active (w))	1358	if (expect_false (ev_is_active (w)))
1283	return;	1359	return;
1284		1360
1285	assert (("ev_io_start called with negative fd", fd >= 0));	1361	assert (("ev_io_start called with negative fd", fd >= 0));
1286		1362
1287	ev_start (EV_A_ (W)w, 1);	1363	ev_start (EV_A_ (W)w, 1);
…		…
1293		1369
1294	void	1370	void
1295	ev_io_stop (EV_P_ struct ev_io *w)	1371	ev_io_stop (EV_P_ struct ev_io *w)
1296	{	1372	{
1297	ev_clear_pending (EV_A_ (W)w);	1373	ev_clear_pending (EV_A_ (W)w);
1298	if (!ev_is_active (w))	1374	if (expect_false (!ev_is_active (w)))
1299	return;	1375	return;
1300		1376
1301	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	1377	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1302		1378
1303	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1379	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
…		…
1307	}	1383	}
1308		1384
1309	void	1385	void
1310	ev_timer_start (EV_P_ struct ev_timer *w)	1386	ev_timer_start (EV_P_ struct ev_timer *w)
1311	{	1387	{
1312	if (ev_is_active (w))	1388	if (expect_false (ev_is_active (w)))
1313	return;	1389	return;
1314		1390
1315	((WT)w)->at += mn_now;	1391	((WT)w)->at += mn_now;
1316		1392
1317	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1393	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1318		1394
1319	ev_start (EV_A_ (W)w, ++timercnt);	1395	ev_start (EV_A_ (W)w, ++timercnt);
1320	array_needsize (struct ev_timer *, timers, timermax, timercnt, (void));	1396	array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2);
1321	timers [timercnt - 1] = w;	1397	timers [timercnt - 1] = w;
1322	upheap ((WT *)timers, timercnt - 1);	1398	upheap ((WT *)timers, timercnt - 1);
1323		1399
1324	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1400	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1325	}	1401	}
1326		1402
1327	void	1403	void
1328	ev_timer_stop (EV_P_ struct ev_timer *w)	1404	ev_timer_stop (EV_P_ struct ev_timer *w)
1329	{	1405	{
1330	ev_clear_pending (EV_A_ (W)w);	1406	ev_clear_pending (EV_A_ (W)w);
1331	if (!ev_is_active (w))	1407	if (expect_false (!ev_is_active (w)))
1332	return;	1408	return;
1333		1409
1334	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1410	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1335		1411
1336	if (((W)w)->active < timercnt--)	1412	if (expect_true (((W)w)->active < timercnt--))
1337	{	1413	{
1338	timers [((W)w)->active - 1] = timers [timercnt];	1414	timers [((W)w)->active - 1] = timers [timercnt];
1339	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1415	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1340	}	1416	}
1341		1417
1342	((WT)w)->at -= mn_now;	1418	((WT)w)->at -= mn_now;
1343		1419
1344	ev_stop (EV_A_ (W)w);	1420	ev_stop (EV_A_ (W)w);
…		…
1348	ev_timer_again (EV_P_ struct ev_timer *w)	1424	ev_timer_again (EV_P_ struct ev_timer *w)
1349	{	1425	{
1350	if (ev_is_active (w))	1426	if (ev_is_active (w))
1351	{	1427	{
1352	if (w->repeat)	1428	if (w->repeat)
		1429	{
		1430	((WT)w)->at = mn_now + w->repeat;
1353	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1, mn_now + w->repeat);	1431	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
		1432	}
1354	else	1433	else
1355	ev_timer_stop (EV_A_ w);	1434	ev_timer_stop (EV_A_ w);
1356	}	1435	}
1357	else if (w->repeat)	1436	else if (w->repeat)
		1437	{
		1438	w->at = w->repeat;
1358	ev_timer_start (EV_A_ w);	1439	ev_timer_start (EV_A_ w);
		1440	}
1359	}	1441	}
1360		1442
		1443	#if EV_PERIODICS
1361	void	1444	void
1362	ev_periodic_start (EV_P_ struct ev_periodic *w)	1445	ev_periodic_start (EV_P_ struct ev_periodic *w)
1363	{	1446	{
1364	if (ev_is_active (w))	1447	if (expect_false (ev_is_active (w)))
1365	return;	1448	return;
1366		1449
1367	if (w->reschedule_cb)	1450	if (w->reschedule_cb)
1368	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1451	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1369	else if (w->interval)	1452	else if (w->interval)
…		…
1372	/* this formula differs from the one in periodic_reify because we do not always round up */	1455	/* this formula differs from the one in periodic_reify because we do not always round up */
1373	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;	1456	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
1374	}	1457	}
1375		1458
1376	ev_start (EV_A_ (W)w, ++periodiccnt);	1459	ev_start (EV_A_ (W)w, ++periodiccnt);
1377	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void));	1460	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1378	periodics [periodiccnt - 1] = w;	1461	periodics [periodiccnt - 1] = w;
1379	upheap ((WT *)periodics, periodiccnt - 1);	1462	upheap ((WT *)periodics, periodiccnt - 1);
1380		1463
1381	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1464	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1382	}	1465	}
1383		1466
1384	void	1467	void
1385	ev_periodic_stop (EV_P_ struct ev_periodic *w)	1468	ev_periodic_stop (EV_P_ struct ev_periodic *w)
1386	{	1469	{
1387	ev_clear_pending (EV_A_ (W)w);	1470	ev_clear_pending (EV_A_ (W)w);
1388	if (!ev_is_active (w))	1471	if (expect_false (!ev_is_active (w)))
1389	return;	1472	return;
1390		1473
1391	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1474	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1392		1475
1393	if (((W)w)->active < periodiccnt--)	1476	if (expect_true (((W)w)->active < periodiccnt--))
1394	{	1477	{
1395	periodics [((W)w)->active - 1] = periodics [periodiccnt];	1478	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1396	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);	1479	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1397	}	1480	}
1398		1481
1399	ev_stop (EV_A_ (W)w);	1482	ev_stop (EV_A_ (W)w);
1400	}	1483	}
1401		1484
…		…
1404	{	1487	{
1405	/* TODO: use adjustheap and recalculation */	1488	/* TODO: use adjustheap and recalculation */
1406	ev_periodic_stop (EV_A_ w);	1489	ev_periodic_stop (EV_A_ w);
1407	ev_periodic_start (EV_A_ w);	1490	ev_periodic_start (EV_A_ w);
1408	}	1491	}
		1492	#endif
1409		1493
1410	void	1494	void
1411	ev_idle_start (EV_P_ struct ev_idle *w)	1495	ev_idle_start (EV_P_ struct ev_idle *w)
1412	{	1496	{
1413	if (ev_is_active (w))	1497	if (expect_false (ev_is_active (w)))
1414	return;	1498	return;
1415		1499
1416	ev_start (EV_A_ (W)w, ++idlecnt);	1500	ev_start (EV_A_ (W)w, ++idlecnt);
1417	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void));	1501	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1418	idles [idlecnt - 1] = w;	1502	idles [idlecnt - 1] = w;
1419	}	1503	}
1420		1504
1421	void	1505	void
1422	ev_idle_stop (EV_P_ struct ev_idle *w)	1506	ev_idle_stop (EV_P_ struct ev_idle *w)
1423	{	1507	{
1424	ev_clear_pending (EV_A_ (W)w);	1508	ev_clear_pending (EV_A_ (W)w);
1425	if (ev_is_active (w))	1509	if (expect_false (!ev_is_active (w)))
1426	return;	1510	return;
1427		1511
1428	idles [((W)w)->active - 1] = idles [--idlecnt];	1512	idles [((W)w)->active - 1] = idles [--idlecnt];
1429	ev_stop (EV_A_ (W)w);	1513	ev_stop (EV_A_ (W)w);
1430	}	1514	}
1431		1515
1432	void	1516	void
1433	ev_prepare_start (EV_P_ struct ev_prepare *w)	1517	ev_prepare_start (EV_P_ struct ev_prepare *w)
1434	{	1518	{
1435	if (ev_is_active (w))	1519	if (expect_false (ev_is_active (w)))
1436	return;	1520	return;
1437		1521
1438	ev_start (EV_A_ (W)w, ++preparecnt);	1522	ev_start (EV_A_ (W)w, ++preparecnt);
1439	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void));	1523	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1440	prepares [preparecnt - 1] = w;	1524	prepares [preparecnt - 1] = w;
1441	}	1525	}
1442		1526
1443	void	1527	void
1444	ev_prepare_stop (EV_P_ struct ev_prepare *w)	1528	ev_prepare_stop (EV_P_ struct ev_prepare *w)
1445	{	1529	{
1446	ev_clear_pending (EV_A_ (W)w);	1530	ev_clear_pending (EV_A_ (W)w);
1447	if (ev_is_active (w))	1531	if (expect_false (!ev_is_active (w)))
1448	return;	1532	return;
1449		1533
1450	prepares [((W)w)->active - 1] = prepares [--preparecnt];	1534	prepares [((W)w)->active - 1] = prepares [--preparecnt];
1451	ev_stop (EV_A_ (W)w);	1535	ev_stop (EV_A_ (W)w);
1452	}	1536	}
1453		1537
1454	void	1538	void
1455	ev_check_start (EV_P_ struct ev_check *w)	1539	ev_check_start (EV_P_ struct ev_check *w)
1456	{	1540	{
1457	if (ev_is_active (w))	1541	if (expect_false (ev_is_active (w)))
1458	return;	1542	return;
1459		1543
1460	ev_start (EV_A_ (W)w, ++checkcnt);	1544	ev_start (EV_A_ (W)w, ++checkcnt);
1461	array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void));	1545	array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2);
1462	checks [checkcnt - 1] = w;	1546	checks [checkcnt - 1] = w;
1463	}	1547	}
1464		1548
1465	void	1549	void
1466	ev_check_stop (EV_P_ struct ev_check *w)	1550	ev_check_stop (EV_P_ struct ev_check *w)
1467	{	1551	{
1468	ev_clear_pending (EV_A_ (W)w);	1552	ev_clear_pending (EV_A_ (W)w);
1469	if (ev_is_active (w))	1553	if (expect_false (!ev_is_active (w)))
1470	return;	1554	return;
1471		1555
1472	checks [((W)w)->active - 1] = checks [--checkcnt];	1556	checks [((W)w)->active - 1] = checks [--checkcnt];
1473	ev_stop (EV_A_ (W)w);	1557	ev_stop (EV_A_ (W)w);
1474	}	1558	}
…		…
1479		1563
1480	void	1564	void
1481	ev_signal_start (EV_P_ struct ev_signal *w)	1565	ev_signal_start (EV_P_ struct ev_signal *w)
1482	{	1566	{
1483	#if EV_MULTIPLICITY	1567	#if EV_MULTIPLICITY
1484	assert (("signal watchers are only supported in the default loop", loop == default_loop));	1568	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1485	#endif	1569	#endif
1486	if (ev_is_active (w))	1570	if (expect_false (ev_is_active (w)))
1487	return;	1571	return;
1488		1572
1489	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1573	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1490		1574
1491	ev_start (EV_A_ (W)w, 1);	1575	ev_start (EV_A_ (W)w, 1);
1492	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);	1576	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1493	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1577	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1494		1578
1495	if (!((WL)w)->next)	1579	if (!((WL)w)->next)
1496	{	1580	{
1497	#if WIN32	1581	#if _WIN32
1498	signal (w->signum, sighandler);	1582	signal (w->signum, sighandler);
1499	#else	1583	#else
1500	struct sigaction sa;	1584	struct sigaction sa;
1501	sa.sa_handler = sighandler;	1585	sa.sa_handler = sighandler;
1502	sigfillset (&sa.sa_mask);	1586	sigfillset (&sa.sa_mask);
…		…
1508		1592
1509	void	1593	void
1510	ev_signal_stop (EV_P_ struct ev_signal *w)	1594	ev_signal_stop (EV_P_ struct ev_signal *w)
1511	{	1595	{
1512	ev_clear_pending (EV_A_ (W)w);	1596	ev_clear_pending (EV_A_ (W)w);
1513	if (!ev_is_active (w))	1597	if (expect_false (!ev_is_active (w)))
1514	return;	1598	return;
1515		1599
1516	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1600	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1517	ev_stop (EV_A_ (W)w);	1601	ev_stop (EV_A_ (W)w);
1518		1602
…		…
1522		1606
1523	void	1607	void
1524	ev_child_start (EV_P_ struct ev_child *w)	1608	ev_child_start (EV_P_ struct ev_child *w)
1525	{	1609	{
1526	#if EV_MULTIPLICITY	1610	#if EV_MULTIPLICITY
1527	assert (("child watchers are only supported in the default loop", loop == default_loop));	1611	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1528	#endif	1612	#endif
1529	if (ev_is_active (w))	1613	if (expect_false (ev_is_active (w)))
1530	return;	1614	return;
1531		1615
1532	ev_start (EV_A_ (W)w, 1);	1616	ev_start (EV_A_ (W)w, 1);
1533	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1617	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1534	}	1618	}
1535		1619
1536	void	1620	void
1537	ev_child_stop (EV_P_ struct ev_child *w)	1621	ev_child_stop (EV_P_ struct ev_child *w)
1538	{	1622	{
1539	ev_clear_pending (EV_A_ (W)w);	1623	ev_clear_pending (EV_A_ (W)w);
1540	if (ev_is_active (w))	1624	if (expect_false (!ev_is_active (w)))
1541	return;	1625	return;
1542		1626
1543	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1627	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1544	ev_stop (EV_A_ (W)w);	1628	ev_stop (EV_A_ (W)w);
1545	}	1629	}
…		…
1582	void	1666	void
1583	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1667	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1584	{	1668	{
1585	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));	1669	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1586		1670
1587	if (!once)	1671	if (expect_false (!once))
		1672	{
1588	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1673	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1589	else	1674	return;
1590	{	1675	}
		1676
1591	once->cb = cb;	1677	once->cb = cb;
1592	once->arg = arg;	1678	once->arg = arg;
1593		1679
1594	ev_init (&once->io, once_cb_io);	1680	ev_init (&once->io, once_cb_io);
1595	if (fd >= 0)	1681	if (fd >= 0)
1596	{	1682	{
1597	ev_io_set (&once->io, fd, events);	1683	ev_io_set (&once->io, fd, events);
1598	ev_io_start (EV_A_ &once->io);	1684	ev_io_start (EV_A_ &once->io);
1599	}	1685	}
1600		1686
1601	ev_init (&once->to, once_cb_to);	1687	ev_init (&once->to, once_cb_to);
1602	if (timeout >= 0.)	1688	if (timeout >= 0.)
1603	{	1689	{
1604	ev_timer_set (&once->to, timeout, 0.);	1690	ev_timer_set (&once->to, timeout, 0.);
1605	ev_timer_start (EV_A_ &once->to);	1691	ev_timer_start (EV_A_ &once->to);
1606	}
1607	}	1692	}
1608	}	1693	}
1609		1694
1610	#ifdef __cplusplus	1695	#ifdef __cplusplus
1611	}	1696	}

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Comparing libev/ev.c (file contents): Revision 1.92 by root, Sun Nov 11 00:08:54 2007 UTC vs. Revision 1.127 by root, Sun Nov 18 02:17:57 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.92 by root, Sun Nov 11 00:08:54 2007 UTC vs.
Revision 1.127 by root, Sun Nov 18 02:17:57 2007 UTC