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

Comparing libev/ev.c (file contents):
Revision 1.78 by root, Thu Nov 8 21:08:56 2007 UTC vs.
Revision 1.117 by ayin, Thu Nov 15 17:15:56 2007 UTC

…		…
26	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	26	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	27	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE	28	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	29	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30	*/	30	*/
		31
		32	#ifdef __cplusplus
		33	extern "C" {
		34	#endif
		35
31	#ifndef EV_STANDALONE	36	#ifndef EV_STANDALONE
32	# include "config.h"	37	# include "config.h"
33		38
34	# if HAVE_CLOCK_GETTIME	39	# if HAVE_CLOCK_GETTIME
		40	# ifndef EV_USE_MONOTONIC
35	# define EV_USE_MONOTONIC 1	41	# define EV_USE_MONOTONIC 1
		42	# endif
		43	# ifndef EV_USE_REALTIME
36	# define EV_USE_REALTIME 1	44	# define EV_USE_REALTIME 1
		45	# endif
37	# endif	46	# endif
38		47
39	# if HAVE_SELECT && HAVE_SYS_SELECT_H	48	# if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT)
40	# define EV_USE_SELECT 1	49	# define EV_USE_SELECT 1
41	# endif	50	# endif
42		51
43	# if HAVE_POLL && HAVE_POLL_H	52	# if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL)
44	# define EV_USE_POLL 1	53	# define EV_USE_POLL 1
45	# endif	54	# endif
46		55
47	# if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H	56	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL)
48	# define EV_USE_EPOLL 1	57	# define EV_USE_EPOLL 1
49	# endif	58	# endif
50		59
51	# if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H	60	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE)
52	# define EV_USE_KQUEUE 1	61	# define EV_USE_KQUEUE 1
53	# endif	62	# endif
54		63
55	#endif	64	#endif
56		65
…		…
66	#include <sys/types.h>	75	#include <sys/types.h>
67	#include <time.h>	76	#include <time.h>
68		77
69	#include <signal.h>	78	#include <signal.h>
70		79
71	#ifndef WIN32	80	#ifndef _WIN32
72	# include <unistd.h>	81	# include <unistd.h>
73	# include <sys/time.h>	82	# include <sys/time.h>
74	# include <sys/wait.h>	83	# include <sys/wait.h>
		84	#else
		85	# define WIN32_LEAN_AND_MEAN
		86	# include <windows.h>
		87	# ifndef EV_SELECT_IS_WINSOCKET
		88	# define EV_SELECT_IS_WINSOCKET 1
75	#endif	89	# endif
		90	#endif
		91
76	/**/	92	/**/
77		93
78	#ifndef EV_USE_MONOTONIC	94	#ifndef EV_USE_MONOTONIC
79	# define EV_USE_MONOTONIC 1	95	# define EV_USE_MONOTONIC 1
80	#endif	96	#endif
81		97
82	#ifndef EV_USE_SELECT	98	#ifndef EV_USE_SELECT
83	# define EV_USE_SELECT 1	99	# define EV_USE_SELECT 1
		100	# define EV_SELECT_USE_FD_SET 1
84	#endif	101	#endif
85		102
86	#ifndef EV_USE_POLL	103	#ifndef EV_USE_POLL
87	# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */	104	# ifdef _WIN32
		105	# define EV_USE_POLL 0
		106	# else
		107	# define EV_USE_POLL 1
		108	# endif
88	#endif	109	#endif
89		110
90	#ifndef EV_USE_EPOLL	111	#ifndef EV_USE_EPOLL
91	# define EV_USE_EPOLL 0	112	# define EV_USE_EPOLL 0
92	#endif	113	#endif
93		114
94	#ifndef EV_USE_KQUEUE	115	#ifndef EV_USE_KQUEUE
95	# define EV_USE_KQUEUE 0	116	# define EV_USE_KQUEUE 0
96	#endif	117	#endif
97		118
98	#ifndef EV_USE_WIN32
99	# ifdef WIN32
100	# define EV_USE_WIN32 0 /* it does not exist, use select */
101	# undef EV_USE_SELECT
102	# define EV_USE_SELECT 1
103	# else
104	# define EV_USE_WIN32 0
105	# endif
106	#endif
107
108	#ifndef EV_USE_REALTIME	119	#ifndef EV_USE_REALTIME
109	# define EV_USE_REALTIME 1	120	# define EV_USE_REALTIME 1
110	#endif	121	#endif
111		122
112	/**/	123	/**/
		124
		125	/* darwin simply cannot be helped */
		126	#ifdef __APPLE__
		127	# undef EV_USE_POLL
		128	# undef EV_USE_KQUEUE
		129	#endif
113		130
114	#ifndef CLOCK_MONOTONIC	131	#ifndef CLOCK_MONOTONIC
115	# undef EV_USE_MONOTONIC	132	# undef EV_USE_MONOTONIC
116	# define EV_USE_MONOTONIC 0	133	# define EV_USE_MONOTONIC 0
117	#endif	134	#endif
118		135
119	#ifndef CLOCK_REALTIME	136	#ifndef CLOCK_REALTIME
120	# undef EV_USE_REALTIME	137	# undef EV_USE_REALTIME
121	# define EV_USE_REALTIME 0	138	# define EV_USE_REALTIME 0
		139	#endif
		140
		141	#if EV_SELECT_IS_WINSOCKET
		142	# include <winsock.h>
122	#endif	143	#endif
123		144
124	/**/	145	/**/
125		146
126	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	147	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
127	#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */	148	#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */
128	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */	149	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */
129	/#define CLEANUP_INTERVAL 300. / how often to try to free memory and re-check fds */	150	/#define CLEANUP_INTERVAL 300. / how often to try to free memory and re-check fds */
130		151
		152	#ifdef EV_H
		153	# include EV_H
		154	#else
131	#include "ev.h"	155	# include "ev.h"
		156	#endif
132		157
133	#if __GNUC__ >= 3	158	#if __GNUC__ >= 3
134	# define expect(expr,value) __builtin_expect ((expr),(value))	159	# define expect(expr,value) __builtin_expect ((expr),(value))
135	# define inline inline	160	# define inline inline
136	#else	161	#else
…		…
142	#define expect_true(expr) expect ((expr) != 0, 1)	167	#define expect_true(expr) expect ((expr) != 0, 1)
143		168
144	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	169	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
145	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	170	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
146		171
		172	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
		173	#define EMPTY2(a,b) /* used to suppress some warnings */
		174
147	typedef struct ev_watcher *W;	175	typedef struct ev_watcher *W;
148	typedef struct ev_watcher_list *WL;	176	typedef struct ev_watcher_list *WL;
149	typedef struct ev_watcher_time *WT;	177	typedef struct ev_watcher_time *WT;
150		178
151	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	179	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
152		180
		181	#ifdef _WIN32
153	#include "ev_win32.c"	182	# include "ev_win32.c"
		183	#endif
154		184
155	/*****************************************************************************/	185	/*****************************************************************************/
156		186
157	static void (syserr_cb)(const char msg);	187	static void (syserr_cb)(const char msg);
158		188
…		…
205	typedef struct	235	typedef struct
206	{	236	{
207	WL head;	237	WL head;
208	unsigned char events;	238	unsigned char events;
209	unsigned char reify;	239	unsigned char reify;
		240	#if EV_SELECT_IS_WINSOCKET
		241	SOCKET handle;
		242	#endif
210	} ANFD;	243	} ANFD;
211		244
212	typedef struct	245	typedef struct
213	{	246	{
214	W w;	247	W w;
215	int events;	248	int events;
216	} ANPENDING;	249	} ANPENDING;
217		250
218	#if EV_MULTIPLICITY	251	#if EV_MULTIPLICITY
219		252
220	struct ev_loop	253	struct ev_loop
221	{	254	{
		255	ev_tstamp ev_rt_now;
		256	#define ev_rt_now ((loop)->ev_rt_now)
222	# define VAR(name,decl) decl;	257	#define VAR(name,decl) decl;
223	# include "ev_vars.h"	258	#include "ev_vars.h"
224	};
225	# undef VAR	259	#undef VAR
		260	};
226	# include "ev_wrap.h"	261	#include "ev_wrap.h"
		262
		263	static struct ev_loop default_loop_struct;
		264	struct ev_loop *ev_default_loop_ptr;
227		265
228	#else	266	#else
229		267
		268	ev_tstamp ev_rt_now;
230	# define VAR(name,decl) static decl;	269	#define VAR(name,decl) static decl;
231	# include "ev_vars.h"	270	#include "ev_vars.h"
232	# undef VAR	271	#undef VAR
		272
		273	static int ev_default_loop_ptr;
233		274
234	#endif	275	#endif
235		276
236	/*****************************************************************************/	277	/*****************************************************************************/
237		278
238	inline ev_tstamp	279	ev_tstamp
239	ev_time (void)	280	ev_time (void)
240	{	281	{
241	#if EV_USE_REALTIME	282	#if EV_USE_REALTIME
242	struct timespec ts;	283	struct timespec ts;
243	clock_gettime (CLOCK_REALTIME, &ts);	284	clock_gettime (CLOCK_REALTIME, &ts);
…		…
262	#endif	303	#endif
263		304
264	return ev_time ();	305	return ev_time ();
265	}	306	}
266		307
		308	#if EV_MULTIPLICITY
267	ev_tstamp	309	ev_tstamp
268	ev_now (EV_P)	310	ev_now (EV_P)
269	{	311	{
270	return rt_now;	312	return ev_rt_now;
271	}	313	}
		314	#endif
272		315
273	#define array_roundsize(type,n) ((n) \| 4 & ~3)	316	#define array_roundsize(type,n) (((n) \| 4) & ~3)
274		317
275	#define array_needsize(type,base,cur,cnt,init) \	318	#define array_needsize(type,base,cur,cnt,init) \
276	if (expect_false ((cnt) > cur)) \	319	if (expect_false ((cnt) > cur)) \
277	{ \	320	{ \
278	int newcnt = cur; \	321	int newcnt = cur; \
…		…
293	stem ## max = array_roundsize (stem ## cnt >> 1); \	336	stem ## max = array_roundsize (stem ## cnt >> 1); \
294	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\	337	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
295	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\	338	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
296	}	339	}
297		340
298	/* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */
299	/* bringing us everlasting joy in form of stupid extra macros that are not required in C */
300	#define array_free_microshit(stem) \
301	ev_free (stem ## s); stem ## cnt = stem ## max = 0;
302
303	#define array_free(stem, idx) \	341	#define array_free(stem, idx) \
304	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;	342	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
305		343
306	/*****************************************************************************/	344	/*****************************************************************************/
307		345
…		…
328	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;	366	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
329	return;	367	return;
330	}	368	}
331		369
332	w_->pending = ++pendingcnt [ABSPRI (w_)];	370	w_->pending = ++pendingcnt [ABSPRI (w_)];
333	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void));	371	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
334	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;	372	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
335	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;	373	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
336	}	374	}
337		375
338	static void	376	static void
…		…
342		380
343	for (i = 0; i < eventcnt; ++i)	381	for (i = 0; i < eventcnt; ++i)
344	ev_feed_event (EV_A_ events [i], type);	382	ev_feed_event (EV_A_ events [i], type);
345	}	383	}
346		384
347	static void	385	inline void
348	fd_event (EV_P_ int fd, int events)	386	fd_event (EV_P_ int fd, int revents)
349	{	387	{
350	ANFD *anfd = anfds + fd;	388	ANFD *anfd = anfds + fd;
351	struct ev_io *w;	389	struct ev_io *w;
352		390
353	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	391	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
354	{	392	{
355	int ev = w->events & events;	393	int ev = w->events & revents;
356		394
357	if (ev)	395	if (ev)
358	ev_feed_event (EV_A_ (W)w, ev);	396	ev_feed_event (EV_A_ (W)w, ev);
359	}	397	}
		398	}
		399
		400	void
		401	ev_feed_fd_event (EV_P_ int fd, int revents)
		402	{
		403	fd_event (EV_A_ fd, revents);
360	}	404	}
361		405
362	/*****************************************************************************/	406	/*****************************************************************************/
363		407
364	static void	408	static void
…		…
375	int events = 0;	419	int events = 0;
376		420
377	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	421	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
378	events \|= w->events;	422	events \|= w->events;
379		423
		424	#if EV_SELECT_IS_WINSOCKET
		425	if (events)
		426	{
		427	unsigned long argp;
		428	anfd->handle = _get_osfhandle (fd);
		429	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
		430	}
		431	#endif
		432
380	anfd->reify = 0;	433	anfd->reify = 0;
381		434
382	method_modify (EV_A_ fd, anfd->events, events);	435	method_modify (EV_A_ fd, anfd->events, events);
383	anfd->events = events;	436	anfd->events = events;
384	}	437	}
…		…
393	return;	446	return;
394		447
395	anfds [fd].reify = 1;	448	anfds [fd].reify = 1;
396		449
397	++fdchangecnt;	450	++fdchangecnt;
398	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void));	451	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
399	fdchanges [fdchangecnt - 1] = fd;	452	fdchanges [fdchangecnt - 1] = fd;
400	}	453	}
401		454
402	static void	455	static void
403	fd_kill (EV_P_ int fd)	456	fd_kill (EV_P_ int fd)
…		…
412	}	465	}
413		466
414	static int	467	static int
415	fd_valid (int fd)	468	fd_valid (int fd)
416	{	469	{
417	#ifdef WIN32	470	#ifdef _WIN32
418	return !!win32_get_osfhandle (fd);	471	return _get_osfhandle (fd) != -1;
419	#else	472	#else
420	return fcntl (fd, F_GETFD) != -1;	473	return fcntl (fd, F_GETFD) != -1;
421	#endif	474	#endif
422	}	475	}
423		476
…		…
503		556
504	heap [k] = w;	557	heap [k] = w;
505	((W)heap [k])->active = k + 1;	558	((W)heap [k])->active = k + 1;
506	}	559	}
507		560
		561	inline void
		562	adjustheap (WT *heap, int N, int k)
		563	{
		564	upheap (heap, k);
		565	downheap (heap, N, k);
		566	}
		567
508	/*****************************************************************************/	568	/*****************************************************************************/
509		569
510	typedef struct	570	typedef struct
511	{	571	{
512	WL head;	572	WL head;
…		…
533	}	593	}
534		594
535	static void	595	static void
536	sighandler (int signum)	596	sighandler (int signum)
537	{	597	{
538	#if WIN32	598	#if _WIN32
539	signal (signum, sighandler);	599	signal (signum, sighandler);
540	#endif	600	#endif
541		601
542	signals [signum - 1].gotsig = 1;	602	signals [signum - 1].gotsig = 1;
543		603
544	if (!gotsig)	604	if (!gotsig)
545	{	605	{
546	int old_errno = errno;	606	int old_errno = errno;
547	gotsig = 1;	607	gotsig = 1;
548	#ifdef WIN32
549	send (sigpipe [1], &signum, 1, MSG_DONTWAIT);
550	#else
551	write (sigpipe [1], &signum, 1);	608	write (sigpipe [1], &signum, 1);
552	#endif
553	errno = old_errno;	609	errno = old_errno;
554	}	610	}
555	}	611	}
556		612
		613	void
		614	ev_feed_signal_event (EV_P_ int signum)
		615	{
		616	WL w;
		617
		618	#if EV_MULTIPLICITY
		619	assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
		620	#endif
		621
		622	--signum;
		623
		624	if (signum < 0 \|\| signum >= signalmax)
		625	return;
		626
		627	signals [signum].gotsig = 0;
		628
		629	for (w = signals [signum].head; w; w = w->next)
		630	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
		631	}
		632
557	static void	633	static void
558	sigcb (EV_P_ struct ev_io *iow, int revents)	634	sigcb (EV_P_ struct ev_io *iow, int revents)
559	{	635	{
560	WL w;
561	int signum;	636	int signum;
562		637
563	#ifdef WIN32
564	recv (sigpipe [0], &revents, 1, MSG_DONTWAIT);
565	#else
566	read (sigpipe [0], &revents, 1);	638	read (sigpipe [0], &revents, 1);
567	#endif
568	gotsig = 0;	639	gotsig = 0;
569		640
570	for (signum = signalmax; signum--; )	641	for (signum = signalmax; signum--; )
571	if (signals [signum].gotsig)	642	if (signals [signum].gotsig)
572	{	643	ev_feed_signal_event (EV_A_ signum + 1);
573	signals [signum].gotsig = 0;	644	}
574		645
575	for (w = signals [signum].head; w; w = w->next)	646	inline void
576	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	647	fd_intern (int fd)
577	}	648	{
		649	#ifdef _WIN32
		650	int arg = 1;
		651	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
		652	#else
		653	fcntl (fd, F_SETFD, FD_CLOEXEC);
		654	fcntl (fd, F_SETFL, O_NONBLOCK);
		655	#endif
578	}	656	}
579		657
580	static void	658	static void
581	siginit (EV_P)	659	siginit (EV_P)
582	{	660	{
583	#ifndef WIN32	661	fd_intern (sigpipe [0]);
584	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	662	fd_intern (sigpipe [1]);
585	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
586
587	/* rather than sort out wether we really need nb, set it */
588	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
589	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
590	#endif
591		663
592	ev_io_set (&sigev, sigpipe [0], EV_READ);	664	ev_io_set (&sigev, sigpipe [0], EV_READ);
593	ev_io_start (EV_A_ &sigev);	665	ev_io_start (EV_A_ &sigev);
594	ev_unref (EV_A); /* child watcher should not keep loop alive */	666	ev_unref (EV_A); /* child watcher should not keep loop alive */
595	}	667	}
596		668
597	/*****************************************************************************/	669	/*****************************************************************************/
598		670
599	static struct ev_child *childs [PID_HASHSIZE];	671	static struct ev_child *childs [PID_HASHSIZE];
600		672
601	#ifndef WIN32	673	#ifndef _WIN32
602		674
603	static struct ev_signal childev;	675	static struct ev_signal childev;
604		676
605	#ifndef WCONTINUED	677	#ifndef WCONTINUED
606	# define WCONTINUED 0	678	# define WCONTINUED 0
…		…
667		739
668	/* return true if we are running with elevated privileges and should ignore env variables */	740	/* return true if we are running with elevated privileges and should ignore env variables */
669	static int	741	static int
670	enable_secure (void)	742	enable_secure (void)
671	{	743	{
672	#ifdef WIN32	744	#ifdef _WIN32
673	return 0;	745	return 0;
674	#else	746	#else
675	return getuid () != geteuid ()	747	return getuid () != geteuid ()
676	\|\| getgid () != getegid ();	748	\|\| getgid () != getegid ();
677	#endif	749	#endif
678	}	750	}
679		751
680	int	752	unsigned int
681	ev_method (EV_P)	753	ev_method (EV_P)
682	{	754	{
683	return method;	755	return method;
684	}	756	}
685		757
686	static void	758	static void
687	loop_init (EV_P_ int methods)	759	loop_init (EV_P_ unsigned int flags)
688	{	760	{
689	if (!method)	761	if (!method)
690	{	762	{
691	#if EV_USE_MONOTONIC	763	#if EV_USE_MONOTONIC
692	{	764	{
…		…
694	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	766	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
695	have_monotonic = 1;	767	have_monotonic = 1;
696	}	768	}
697	#endif	769	#endif
698		770
699	rt_now = ev_time ();	771	ev_rt_now = ev_time ();
700	mn_now = get_clock ();	772	mn_now = get_clock ();
701	now_floor = mn_now;	773	now_floor = mn_now;
702	rtmn_diff = rt_now - mn_now;	774	rtmn_diff = ev_rt_now - mn_now;
703		775
704	if (methods == EVMETHOD_AUTO)	776	if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS"))
705	if (!enable_secure () && getenv ("LIBEV_METHODS"))
706	methods = atoi (getenv ("LIBEV_METHODS"));	777	flags = atoi (getenv ("LIBEV_FLAGS"));
707	else	778
708	methods = EVMETHOD_ANY;	779	if (!(flags & 0x0000ffff))
		780	flags \|= 0x0000ffff;
709		781
710	method = 0;	782	method = 0;
711	#if EV_USE_WIN32
712	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);
713	#endif
714	#if EV_USE_KQUEUE	783	#if EV_USE_KQUEUE
715	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	784	if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags);
716	#endif	785	#endif
717	#if EV_USE_EPOLL	786	#if EV_USE_EPOLL
718	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	787	if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags);
719	#endif	788	#endif
720	#if EV_USE_POLL	789	#if EV_USE_POLL
721	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	790	if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags);
722	#endif	791	#endif
723	#if EV_USE_SELECT	792	#if EV_USE_SELECT
724	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	793	if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags);
725	#endif	794	#endif
726		795
727	ev_watcher_init (&sigev, sigcb);	796	ev_init (&sigev, sigcb);
728	ev_set_priority (&sigev, EV_MAXPRI);	797	ev_set_priority (&sigev, EV_MAXPRI);
729	}	798	}
730	}	799	}
731		800
732	void	801	void
733	loop_destroy (EV_P)	802	loop_destroy (EV_P)
734	{	803	{
735	int i;	804	int i;
736		805
737	#if EV_USE_WIN32
738	if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);
739	#endif
740	#if EV_USE_KQUEUE	806	#if EV_USE_KQUEUE
741	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);	807	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
742	#endif	808	#endif
743	#if EV_USE_EPOLL	809	#if EV_USE_EPOLL
744	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);	810	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);
…		…
752		818
753	for (i = NUMPRI; i--; )	819	for (i = NUMPRI; i--; )
754	array_free (pending, [i]);	820	array_free (pending, [i]);
755		821
756	/* have to use the microsoft-never-gets-it-right macro */	822	/* have to use the microsoft-never-gets-it-right macro */
757	array_free_microshit (fdchange);	823	array_free (fdchange, EMPTY0);
758	array_free_microshit (timer);	824	array_free (timer, EMPTY0);
759	array_free_microshit (periodic);	825	#if EV_PERIODICS
760	array_free_microshit (idle);	826	array_free (periodic, EMPTY0);
761	array_free_microshit (prepare);	827	#endif
762	array_free_microshit (check);	828	array_free (idle, EMPTY0);
		829	array_free (prepare, EMPTY0);
		830	array_free (check, EMPTY0);
763		831
764	method = 0;	832	method = 0;
765	}	833	}
766		834
767	static void	835	static void
…		…
792	postfork = 0;	860	postfork = 0;
793	}	861	}
794		862
795	#if EV_MULTIPLICITY	863	#if EV_MULTIPLICITY
796	struct ev_loop *	864	struct ev_loop *
797	ev_loop_new (int methods)	865	ev_loop_new (unsigned int flags)
798	{	866	{
799	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));	867	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
800		868
801	memset (loop, 0, sizeof (struct ev_loop));	869	memset (loop, 0, sizeof (struct ev_loop));
802		870
803	loop_init (EV_A_ methods);	871	loop_init (EV_A_ flags);
804		872
805	if (ev_method (EV_A))	873	if (ev_method (EV_A))
806	return loop;	874	return loop;
807		875
808	return 0;	876	return 0;
…		…
822	}	890	}
823		891
824	#endif	892	#endif
825		893
826	#if EV_MULTIPLICITY	894	#if EV_MULTIPLICITY
827	struct ev_loop default_loop_struct;
828	static struct ev_loop *default_loop;
829
830	struct ev_loop *	895	struct ev_loop *
		896	ev_default_loop_ (unsigned int flags)
831	#else	897	#else
832	static int default_loop;
833
834	int	898	int
		899	ev_default_loop (unsigned int flags)
835	#endif	900	#endif
836	ev_default_loop (int methods)
837	{	901	{
838	if (sigpipe [0] == sigpipe [1])	902	if (sigpipe [0] == sigpipe [1])
839	if (pipe (sigpipe))	903	if (pipe (sigpipe))
840	return 0;	904	return 0;
841		905
842	if (!default_loop)	906	if (!ev_default_loop_ptr)
843	{	907	{
844	#if EV_MULTIPLICITY	908	#if EV_MULTIPLICITY
845	struct ev_loop *loop = default_loop = &default_loop_struct;	909	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
846	#else	910	#else
847	default_loop = 1;	911	ev_default_loop_ptr = 1;
848	#endif	912	#endif
849		913
850	loop_init (EV_A_ methods);	914	loop_init (EV_A_ flags);
851		915
852	if (ev_method (EV_A))	916	if (ev_method (EV_A))
853	{	917	{
854	siginit (EV_A);	918	siginit (EV_A);
855		919
856	#ifndef WIN32	920	#ifndef _WIN32
857	ev_signal_init (&childev, childcb, SIGCHLD);	921	ev_signal_init (&childev, childcb, SIGCHLD);
858	ev_set_priority (&childev, EV_MAXPRI);	922	ev_set_priority (&childev, EV_MAXPRI);
859	ev_signal_start (EV_A_ &childev);	923	ev_signal_start (EV_A_ &childev);
860	ev_unref (EV_A); /* child watcher should not keep loop alive */	924	ev_unref (EV_A); /* child watcher should not keep loop alive */
861	#endif	925	#endif
862	}	926	}
863	else	927	else
864	default_loop = 0;	928	ev_default_loop_ptr = 0;
865	}	929	}
866		930
867	return default_loop;	931	return ev_default_loop_ptr;
868	}	932	}
869		933
870	void	934	void
871	ev_default_destroy (void)	935	ev_default_destroy (void)
872	{	936	{
873	#if EV_MULTIPLICITY	937	#if EV_MULTIPLICITY
874	struct ev_loop *loop = default_loop;	938	struct ev_loop *loop = ev_default_loop_ptr;
875	#endif	939	#endif
876		940
877	#ifndef WIN32	941	#ifndef _WIN32
878	ev_ref (EV_A); /* child watcher */	942	ev_ref (EV_A); /* child watcher */
879	ev_signal_stop (EV_A_ &childev);	943	ev_signal_stop (EV_A_ &childev);
880	#endif	944	#endif
881		945
882	ev_ref (EV_A); /* signal watcher */	946	ev_ref (EV_A); /* signal watcher */
…		…
890		954
891	void	955	void
892	ev_default_fork (void)	956	ev_default_fork (void)
893	{	957	{
894	#if EV_MULTIPLICITY	958	#if EV_MULTIPLICITY
895	struct ev_loop *loop = default_loop;	959	struct ev_loop *loop = ev_default_loop_ptr;
896	#endif	960	#endif
897		961
898	if (method)	962	if (method)
899	postfork = 1;	963	postfork = 1;
900	}	964	}
…		…
924	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	988	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
925		989
926	if (p->w)	990	if (p->w)
927	{	991	{
928	p->w->pending = 0;	992	p->w->pending = 0;
929	p->w->cb (EV_A_ p->w, p->events);	993	EV_CB_INVOKE (p->w, p->events);
930	}	994	}
931	}	995	}
932	}	996	}
933		997
934	static void	998	static void
…		…
942		1006
943	/* first reschedule or stop timer */	1007	/* first reschedule or stop timer */
944	if (w->repeat)	1008	if (w->repeat)
945	{	1009	{
946	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1010	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
		1011
947	((WT)w)->at = mn_now + w->repeat;	1012	((WT)w)->at += w->repeat;
		1013	if (((WT)w)->at < mn_now)
		1014	((WT)w)->at = mn_now;
		1015
948	downheap ((WT *)timers, timercnt, 0);	1016	downheap ((WT *)timers, timercnt, 0);
949	}	1017	}
950	else	1018	else
951	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1019	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
952		1020
953	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1021	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
954	}	1022	}
955	}	1023	}
956		1024
		1025	#if EV_PERIODICS
957	static void	1026	static void
958	periodics_reify (EV_P)	1027	periodics_reify (EV_P)
959	{	1028	{
960	while (periodiccnt && ((WT)periodics [0])->at <= rt_now)	1029	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
961	{	1030	{
962	struct ev_periodic *w = periodics [0];	1031	struct ev_periodic *w = periodics [0];
963		1032
964	assert (("inactive timer on periodic heap detected", ev_is_active (w)));	1033	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
965		1034
966	/* first reschedule or stop timer */	1035	/* first reschedule or stop timer */
967	if (w->reschedule_cb)	1036	if (w->reschedule_cb)
968	{	1037	{
969	ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, rt_now + 0.0001);	1038	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
970
971	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > rt_now));	1039	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
972	downheap ((WT *)periodics, periodiccnt, 0);	1040	downheap ((WT *)periodics, periodiccnt, 0);
973	}	1041	}
974	else if (w->interval)	1042	else if (w->interval)
975	{	1043	{
976	((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;	1044	((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
977	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now));	1045	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
978	downheap ((WT *)periodics, periodiccnt, 0);	1046	downheap ((WT *)periodics, periodiccnt, 0);
979	}	1047	}
980	else	1048	else
981	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1049	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
982		1050
…		…
993	for (i = 0; i < periodiccnt; ++i)	1061	for (i = 0; i < periodiccnt; ++i)
994	{	1062	{
995	struct ev_periodic *w = periodics [i];	1063	struct ev_periodic *w = periodics [i];
996		1064
997	if (w->reschedule_cb)	1065	if (w->reschedule_cb)
998	((WT)w)->at = w->reschedule_cb (w, rt_now);	1066	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
999	else if (w->interval)	1067	else if (w->interval)
1000	((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;	1068	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
1001	}	1069	}
1002		1070
1003	/* now rebuild the heap */	1071	/* now rebuild the heap */
1004	for (i = periodiccnt >> 1; i--; )	1072	for (i = periodiccnt >> 1; i--; )
1005	downheap ((WT *)periodics, periodiccnt, i);	1073	downheap ((WT *)periodics, periodiccnt, i);
1006	}	1074	}
		1075	#endif
1007		1076
1008	inline int	1077	inline int
1009	time_update_monotonic (EV_P)	1078	time_update_monotonic (EV_P)
1010	{	1079	{
1011	mn_now = get_clock ();	1080	mn_now = get_clock ();
1012		1081
1013	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1082	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
1014	{	1083	{
1015	rt_now = rtmn_diff + mn_now;	1084	ev_rt_now = rtmn_diff + mn_now;
1016	return 0;	1085	return 0;
1017	}	1086	}
1018	else	1087	else
1019	{	1088	{
1020	now_floor = mn_now;	1089	now_floor = mn_now;
1021	rt_now = ev_time ();	1090	ev_rt_now = ev_time ();
1022	return 1;	1091	return 1;
1023	}	1092	}
1024	}	1093	}
1025		1094
1026	static void	1095	static void
…		…
1035	{	1104	{
1036	ev_tstamp odiff = rtmn_diff;	1105	ev_tstamp odiff = rtmn_diff;
1037		1106
1038	for (i = 4; --i; ) /* loop a few times, before making important decisions */	1107	for (i = 4; --i; ) /* loop a few times, before making important decisions */
1039	{	1108	{
1040	rtmn_diff = rt_now - mn_now;	1109	rtmn_diff = ev_rt_now - mn_now;
1041		1110
1042	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1111	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
1043	return; /* all is well */	1112	return; /* all is well */
1044		1113
1045	rt_now = ev_time ();	1114	ev_rt_now = ev_time ();
1046	mn_now = get_clock ();	1115	mn_now = get_clock ();
1047	now_floor = mn_now;	1116	now_floor = mn_now;
1048	}	1117	}
1049		1118
		1119	# if EV_PERIODICS
1050	periodics_reschedule (EV_A);	1120	periodics_reschedule (EV_A);
		1121	# endif
1051	/* no timer adjustment, as the monotonic clock doesn't jump */	1122	/* no timer adjustment, as the monotonic clock doesn't jump */
1052	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */	1123	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1053	}	1124	}
1054	}	1125	}
1055	else	1126	else
1056	#endif	1127	#endif
1057	{	1128	{
1058	rt_now = ev_time ();	1129	ev_rt_now = ev_time ();
1059		1130
1060	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1131	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
1061	{	1132	{
		1133	#if EV_PERIODICS
1062	periodics_reschedule (EV_A);	1134	periodics_reschedule (EV_A);
		1135	#endif
1063		1136
1064	/* adjust timers. this is easy, as the offset is the same for all */	1137	/* adjust timers. this is easy, as the offset is the same for all */
1065	for (i = 0; i < timercnt; ++i)	1138	for (i = 0; i < timercnt; ++i)
1066	((WT)timers [i])->at += rt_now - mn_now;	1139	((WT)timers [i])->at += ev_rt_now - mn_now;
1067	}	1140	}
1068		1141
1069	mn_now = rt_now;	1142	mn_now = ev_rt_now;
1070	}	1143	}
1071	}	1144	}
1072		1145
1073	void	1146	void
1074	ev_ref (EV_P)	1147	ev_ref (EV_P)
…		…
1088	ev_loop (EV_P_ int flags)	1161	ev_loop (EV_P_ int flags)
1089	{	1162	{
1090	double block;	1163	double block;
1091	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1164	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
1092		1165
1093	do	1166	while (activecnt)
1094	{	1167	{
1095	/* queue check watchers (and execute them) */	1168	/* queue check watchers (and execute them) */
1096	if (expect_false (preparecnt))	1169	if (expect_false (preparecnt))
1097	{	1170	{
1098	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1171	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
…		…
1114	if (expect_true (have_monotonic))	1187	if (expect_true (have_monotonic))
1115	time_update_monotonic (EV_A);	1188	time_update_monotonic (EV_A);
1116	else	1189	else
1117	#endif	1190	#endif
1118	{	1191	{
1119	rt_now = ev_time ();	1192	ev_rt_now = ev_time ();
1120	mn_now = rt_now;	1193	mn_now = ev_rt_now;
1121	}	1194	}
1122		1195
1123	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1196	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
1124	block = 0.;	1197	block = 0.;
1125	else	1198	else
…		…
1130	{	1203	{
1131	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;	1204	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
1132	if (block > to) block = to;	1205	if (block > to) block = to;
1133	}	1206	}
1134		1207
		1208	#if EV_PERIODICS
1135	if (periodiccnt)	1209	if (periodiccnt)
1136	{	1210	{
1137	ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;	1211	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
1138	if (block > to) block = to;	1212	if (block > to) block = to;
1139	}	1213	}
		1214	#endif
1140		1215
1141	if (block < 0.) block = 0.;	1216	if (block < 0.) block = 0.;
1142	}	1217	}
1143		1218
1144	method_poll (EV_A_ block);	1219	method_poll (EV_A_ block);
1145		1220
1146	/* update rt_now, do magic */	1221	/* update ev_rt_now, do magic */
1147	time_update (EV_A);	1222	time_update (EV_A);
1148		1223
1149	/* queue pending timers and reschedule them */	1224	/* queue pending timers and reschedule them */
1150	timers_reify (EV_A); /* relative timers called last */	1225	timers_reify (EV_A); /* relative timers called last */
		1226	#if EV_PERIODICS
1151	periodics_reify (EV_A); /* absolute timers called first */	1227	periodics_reify (EV_A); /* absolute timers called first */
		1228	#endif
1152		1229
1153	/* queue idle watchers unless io or timers are pending */	1230	/* queue idle watchers unless io or timers are pending */
1154	if (idlecnt && !any_pending (EV_A))	1231	if (idlecnt && !any_pending (EV_A))
1155	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1232	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
1156		1233
1157	/* queue check watchers, to be executed first */	1234	/* queue check watchers, to be executed first */
1158	if (checkcnt)	1235	if (checkcnt)
1159	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1236	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1160		1237
1161	call_pending (EV_A);	1238	call_pending (EV_A);
		1239
		1240	if (loop_done)
		1241	break;
1162	}	1242	}
1163	while (activecnt && !loop_done);
1164		1243
1165	if (loop_done != 2)	1244	if (loop_done != 2)
1166	loop_done = 0;	1245	loop_done = 0;
1167	}	1246	}
1168		1247
…		…
1247	{	1326	{
1248	ev_clear_pending (EV_A_ (W)w);	1327	ev_clear_pending (EV_A_ (W)w);
1249	if (!ev_is_active (w))	1328	if (!ev_is_active (w))
1250	return;	1329	return;
1251		1330
		1331	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
		1332
1252	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1333	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
1253	ev_stop (EV_A_ (W)w);	1334	ev_stop (EV_A_ (W)w);
1254		1335
1255	fd_change (EV_A_ w->fd);	1336	fd_change (EV_A_ w->fd);
1256	}	1337	}
…		…
1264	((WT)w)->at += mn_now;	1345	((WT)w)->at += mn_now;
1265		1346
1266	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1347	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1267		1348
1268	ev_start (EV_A_ (W)w, ++timercnt);	1349	ev_start (EV_A_ (W)w, ++timercnt);
1269	array_needsize (struct ev_timer *, timers, timermax, timercnt, (void));	1350	array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2);
1270	timers [timercnt - 1] = w;	1351	timers [timercnt - 1] = w;
1271	upheap ((WT *)timers, timercnt - 1);	1352	upheap ((WT *)timers, timercnt - 1);
1272		1353
1273	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1354	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1274	}	1355	}
…		…
1283	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1364	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1284		1365
1285	if (((W)w)->active < timercnt--)	1366	if (((W)w)->active < timercnt--)
1286	{	1367	{
1287	timers [((W)w)->active - 1] = timers [timercnt];	1368	timers [((W)w)->active - 1] = timers [timercnt];
1288	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1369	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1289	}	1370	}
1290		1371
1291	((WT)w)->at = w->repeat;	1372	((WT)w)->at -= mn_now;
1292		1373
1293	ev_stop (EV_A_ (W)w);	1374	ev_stop (EV_A_ (W)w);
1294	}	1375	}
1295		1376
1296	void	1377	void
…		…
1299	if (ev_is_active (w))	1380	if (ev_is_active (w))
1300	{	1381	{
1301	if (w->repeat)	1382	if (w->repeat)
1302	{	1383	{
1303	((WT)w)->at = mn_now + w->repeat;	1384	((WT)w)->at = mn_now + w->repeat;
1304	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1385	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1305	}	1386	}
1306	else	1387	else
1307	ev_timer_stop (EV_A_ w);	1388	ev_timer_stop (EV_A_ w);
1308	}	1389	}
1309	else if (w->repeat)	1390	else if (w->repeat)
		1391	{
		1392	w->at = w->repeat;
1310	ev_timer_start (EV_A_ w);	1393	ev_timer_start (EV_A_ w);
		1394	}
1311	}	1395	}
1312		1396
		1397	#if EV_PERIODICS
1313	void	1398	void
1314	ev_periodic_start (EV_P_ struct ev_periodic *w)	1399	ev_periodic_start (EV_P_ struct ev_periodic *w)
1315	{	1400	{
1316	if (ev_is_active (w))	1401	if (ev_is_active (w))
1317	return;	1402	return;
1318		1403
1319	if (w->reschedule_cb)	1404	if (w->reschedule_cb)
1320	((WT)w)->at = w->reschedule_cb (w, rt_now);	1405	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1321	else if (w->interval)	1406	else if (w->interval)
1322	{	1407	{
1323	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1408	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1324	/* this formula differs from the one in periodic_reify because we do not always round up */	1409	/* this formula differs from the one in periodic_reify because we do not always round up */
1325	((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;	1410	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
1326	}	1411	}
1327		1412
1328	ev_start (EV_A_ (W)w, ++periodiccnt);	1413	ev_start (EV_A_ (W)w, ++periodiccnt);
1329	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void));	1414	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1330	periodics [periodiccnt - 1] = w;	1415	periodics [periodiccnt - 1] = w;
1331	upheap ((WT *)periodics, periodiccnt - 1);	1416	upheap ((WT *)periodics, periodiccnt - 1);
1332		1417
1333	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1418	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1334	}	1419	}
…		…
1343	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1428	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1344		1429
1345	if (((W)w)->active < periodiccnt--)	1430	if (((W)w)->active < periodiccnt--)
1346	{	1431	{
1347	periodics [((W)w)->active - 1] = periodics [periodiccnt];	1432	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1348	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);	1433	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1349	}	1434	}
1350		1435
1351	ev_stop (EV_A_ (W)w);	1436	ev_stop (EV_A_ (W)w);
1352	}	1437	}
1353		1438
1354	void	1439	void
1355	ev_periodic_again (EV_P_ struct ev_periodic *w)	1440	ev_periodic_again (EV_P_ struct ev_periodic *w)
1356	{	1441	{
		1442	/* TODO: use adjustheap and recalculation */
1357	ev_periodic_stop (EV_A_ w);	1443	ev_periodic_stop (EV_A_ w);
1358	ev_periodic_start (EV_A_ w);	1444	ev_periodic_start (EV_A_ w);
1359	}	1445	}
		1446	#endif
1360		1447
1361	void	1448	void
1362	ev_idle_start (EV_P_ struct ev_idle *w)	1449	ev_idle_start (EV_P_ struct ev_idle *w)
1363	{	1450	{
1364	if (ev_is_active (w))	1451	if (ev_is_active (w))
1365	return;	1452	return;
1366		1453
1367	ev_start (EV_A_ (W)w, ++idlecnt);	1454	ev_start (EV_A_ (W)w, ++idlecnt);
1368	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void));	1455	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1369	idles [idlecnt - 1] = w;	1456	idles [idlecnt - 1] = w;
1370	}	1457	}
1371		1458
1372	void	1459	void
1373	ev_idle_stop (EV_P_ struct ev_idle *w)	1460	ev_idle_stop (EV_P_ struct ev_idle *w)
1374	{	1461	{
1375	ev_clear_pending (EV_A_ (W)w);	1462	ev_clear_pending (EV_A_ (W)w);
1376	if (ev_is_active (w))	1463	if (!ev_is_active (w))
1377	return;	1464	return;
1378		1465
1379	idles [((W)w)->active - 1] = idles [--idlecnt];	1466	idles [((W)w)->active - 1] = idles [--idlecnt];
1380	ev_stop (EV_A_ (W)w);	1467	ev_stop (EV_A_ (W)w);
1381	}	1468	}
…		…
1385	{	1472	{
1386	if (ev_is_active (w))	1473	if (ev_is_active (w))
1387	return;	1474	return;
1388		1475
1389	ev_start (EV_A_ (W)w, ++preparecnt);	1476	ev_start (EV_A_ (W)w, ++preparecnt);
1390	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void));	1477	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1391	prepares [preparecnt - 1] = w;	1478	prepares [preparecnt - 1] = w;
1392	}	1479	}
1393		1480
1394	void	1481	void
1395	ev_prepare_stop (EV_P_ struct ev_prepare *w)	1482	ev_prepare_stop (EV_P_ struct ev_prepare *w)
1396	{	1483	{
1397	ev_clear_pending (EV_A_ (W)w);	1484	ev_clear_pending (EV_A_ (W)w);
1398	if (ev_is_active (w))	1485	if (!ev_is_active (w))
1399	return;	1486	return;
1400		1487
1401	prepares [((W)w)->active - 1] = prepares [--preparecnt];	1488	prepares [((W)w)->active - 1] = prepares [--preparecnt];
1402	ev_stop (EV_A_ (W)w);	1489	ev_stop (EV_A_ (W)w);
1403	}	1490	}
…		…
1407	{	1494	{
1408	if (ev_is_active (w))	1495	if (ev_is_active (w))
1409	return;	1496	return;
1410		1497
1411	ev_start (EV_A_ (W)w, ++checkcnt);	1498	ev_start (EV_A_ (W)w, ++checkcnt);
1412	array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void));	1499	array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2);
1413	checks [checkcnt - 1] = w;	1500	checks [checkcnt - 1] = w;
1414	}	1501	}
1415		1502
1416	void	1503	void
1417	ev_check_stop (EV_P_ struct ev_check *w)	1504	ev_check_stop (EV_P_ struct ev_check *w)
1418	{	1505	{
1419	ev_clear_pending (EV_A_ (W)w);	1506	ev_clear_pending (EV_A_ (W)w);
1420	if (ev_is_active (w))	1507	if (!ev_is_active (w))
1421	return;	1508	return;
1422		1509
1423	checks [((W)w)->active - 1] = checks [--checkcnt];	1510	checks [((W)w)->active - 1] = checks [--checkcnt];
1424	ev_stop (EV_A_ (W)w);	1511	ev_stop (EV_A_ (W)w);
1425	}	1512	}
…		…
1430		1517
1431	void	1518	void
1432	ev_signal_start (EV_P_ struct ev_signal *w)	1519	ev_signal_start (EV_P_ struct ev_signal *w)
1433	{	1520	{
1434	#if EV_MULTIPLICITY	1521	#if EV_MULTIPLICITY
1435	assert (("signal watchers are only supported in the default loop", loop == default_loop));	1522	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1436	#endif	1523	#endif
1437	if (ev_is_active (w))	1524	if (ev_is_active (w))
1438	return;	1525	return;
1439		1526
1440	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1527	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
…		…
1443	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);	1530	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1444	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1531	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1445		1532
1446	if (!((WL)w)->next)	1533	if (!((WL)w)->next)
1447	{	1534	{
1448	#if WIN32	1535	#if _WIN32
1449	signal (w->signum, sighandler);	1536	signal (w->signum, sighandler);
1450	#else	1537	#else
1451	struct sigaction sa;	1538	struct sigaction sa;
1452	sa.sa_handler = sighandler;	1539	sa.sa_handler = sighandler;
1453	sigfillset (&sa.sa_mask);	1540	sigfillset (&sa.sa_mask);
…		…
1473		1560
1474	void	1561	void
1475	ev_child_start (EV_P_ struct ev_child *w)	1562	ev_child_start (EV_P_ struct ev_child *w)
1476	{	1563	{
1477	#if EV_MULTIPLICITY	1564	#if EV_MULTIPLICITY
1478	assert (("child watchers are only supported in the default loop", loop == default_loop));	1565	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1479	#endif	1566	#endif
1480	if (ev_is_active (w))	1567	if (ev_is_active (w))
1481	return;	1568	return;
1482		1569
1483	ev_start (EV_A_ (W)w, 1);	1570	ev_start (EV_A_ (W)w, 1);
…		…
1486		1573
1487	void	1574	void
1488	ev_child_stop (EV_P_ struct ev_child *w)	1575	ev_child_stop (EV_P_ struct ev_child *w)
1489	{	1576	{
1490	ev_clear_pending (EV_A_ (W)w);	1577	ev_clear_pending (EV_A_ (W)w);
1491	if (ev_is_active (w))	1578	if (!ev_is_active (w))
1492	return;	1579	return;
1493		1580
1494	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1581	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1495	ev_stop (EV_A_ (W)w);	1582	ev_stop (EV_A_ (W)w);
1496	}	1583	}
…		…
1540	else	1627	else
1541	{	1628	{
1542	once->cb = cb;	1629	once->cb = cb;
1543	once->arg = arg;	1630	once->arg = arg;
1544		1631
1545	ev_watcher_init (&once->io, once_cb_io);	1632	ev_init (&once->io, once_cb_io);
1546	if (fd >= 0)	1633	if (fd >= 0)
1547	{	1634	{
1548	ev_io_set (&once->io, fd, events);	1635	ev_io_set (&once->io, fd, events);
1549	ev_io_start (EV_A_ &once->io);	1636	ev_io_start (EV_A_ &once->io);
1550	}	1637	}
1551		1638
1552	ev_watcher_init (&once->to, once_cb_to);	1639	ev_init (&once->to, once_cb_to);
1553	if (timeout >= 0.)	1640	if (timeout >= 0.)
1554	{	1641	{
1555	ev_timer_set (&once->to, timeout, 0.);	1642	ev_timer_set (&once->to, timeout, 0.);
1556	ev_timer_start (EV_A_ &once->to);	1643	ev_timer_start (EV_A_ &once->to);
1557	}	1644	}
1558	}	1645	}
1559	}	1646	}
1560		1647
		1648	#ifdef __cplusplus
		1649	}
		1650	#endif
		1651

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Comparing libev/ev.c (file contents): Revision 1.78 by root, Thu Nov 8 21:08:56 2007 UTC vs. Revision 1.117 by ayin, Thu Nov 15 17:15:56 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.78 by root, Thu Nov 8 21:08:56 2007 UTC vs.
Revision 1.117 by ayin, Thu Nov 15 17:15:56 2007 UTC