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

Comparing libev/ev.c (file contents):
Revision 1.53 by root, Sat Nov 3 22:31:11 2007 UTC vs.
Revision 1.70 by root, Tue Nov 6 00:52:32 2007 UTC

…		…
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	#ifndef EV_STANDALONE	31	#ifndef EV_STANDALONE
32	# include "config.h"	32	# include "config.h"
		33
		34	# if HAVE_CLOCK_GETTIME
		35	# define EV_USE_MONOTONIC 1
		36	# define EV_USE_REALTIME 1
		37	# endif
		38
		39	# if HAVE_SELECT && HAVE_SYS_SELECT_H
		40	# define EV_USE_SELECT 1
		41	# endif
		42
		43	# if HAVE_POLL && HAVE_POLL_H
		44	# define EV_USE_POLL 1
		45	# endif
		46
		47	# if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
		48	# define EV_USE_EPOLL 1
		49	# endif
		50
		51	# if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H
		52	# define EV_USE_KQUEUE 1
		53	# endif
		54
33	#endif	55	#endif
34		56
35	#include <math.h>	57	#include <math.h>
36	#include <stdlib.h>	58	#include <stdlib.h>
37	#include <unistd.h>	59	#include <unistd.h>
…		…
58		80
59	#ifndef EV_USE_SELECT	81	#ifndef EV_USE_SELECT
60	# define EV_USE_SELECT 1	82	# define EV_USE_SELECT 1
61	#endif	83	#endif
62		84
63	#ifndef EV_USEV_POLL	85	#ifndef EV_USE_POLL
64	# define EV_USEV_POLL 0 /* poll is usually slower than select, and not as well tested */	86	# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */
65	#endif	87	#endif
66		88
67	#ifndef EV_USE_EPOLL	89	#ifndef EV_USE_EPOLL
68	# define EV_USE_EPOLL 0	90	# define EV_USE_EPOLL 0
69	#endif	91	#endif
70		92
71	#ifndef EV_USE_KQUEUE	93	#ifndef EV_USE_KQUEUE
72	# define EV_USE_KQUEUE 0	94	# define EV_USE_KQUEUE 0
		95	#endif
		96
		97	#ifndef EV_USE_WIN32
		98	# ifdef WIN32
		99	# define EV_USE_WIN32 1
		100	# else
		101	# define EV_USE_WIN32 0
		102	# endif
73	#endif	103	#endif
74		104
75	#ifndef EV_USE_REALTIME	105	#ifndef EV_USE_REALTIME
76	# define EV_USE_REALTIME 1	106	# define EV_USE_REALTIME 1
77	#endif	107	#endif
…		…
113		143
114	typedef struct ev_watcher *W;	144	typedef struct ev_watcher *W;
115	typedef struct ev_watcher_list *WL;	145	typedef struct ev_watcher_list *WL;
116	typedef struct ev_watcher_time *WT;	146	typedef struct ev_watcher_time *WT;
117		147
		148	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
		149
		150	#if WIN32
		151	/* note: the comment below could not be substantiated, but what would I care */
		152	/* MSDN says this is required to handle SIGFPE */
		153	volatile double SIGFPE_REQ = 0.0f;
		154	#endif
		155
118	/*****************************************************************************/	156	/*****************************************************************************/
119		157
		158	static void (syserr_cb)(const char msg);
		159
		160	void ev_set_syserr_cb (void (cb)(const char msg))
		161	{
		162	syserr_cb = cb;
		163	}
		164
		165	static void
		166	syserr (const char *msg)
		167	{
		168	if (!msg)
		169	msg = "(libev) system error";
		170
		171	if (syserr_cb)
		172	syserr_cb (msg);
		173	else
		174	{
		175	perror (msg);
		176	abort ();
		177	}
		178	}
		179
		180	static void (alloc)(void *ptr, long size);
		181
		182	void ev_set_allocator (void (cb)(void *ptr, long size))
		183	{
		184	alloc = cb;
		185	}
		186
		187	static void *
		188	ev_realloc (void *ptr, long size)
		189	{
		190	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
		191
		192	if (!ptr && size)
		193	{
		194	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
		195	abort ();
		196	}
		197
		198	return ptr;
		199	}
		200
		201	#define ev_malloc(size) ev_realloc (0, (size))
		202	#define ev_free(ptr) ev_realloc ((ptr), 0)
		203
		204	/*****************************************************************************/
		205
120	typedef struct	206	typedef struct
121	{	207	{
122	struct ev_watcher_list *head;	208	WL head;
123	unsigned char events;	209	unsigned char events;
124	unsigned char reify;	210	unsigned char reify;
125	} ANFD;	211	} ANFD;
126		212
127	typedef struct	213	typedef struct
128	{	214	{
129	W w;	215	W w;
130	int events;	216	int events;
131	} ANPENDING;	217	} ANPENDING;
132		218
133	#ifdef EV_MULTIPLICITY	219	#if EV_MULTIPLICITY
		220
134	struct ev_loop	221	struct ev_loop
135	{	222	{
136	# define VAR(name,decl) decl	223	# define VAR(name,decl) decl;
137	# include "ev_vars.h"	224	# include "ev_vars.h"
138	};	225	};
		226	# undef VAR
		227	# include "ev_wrap.h"
		228
139	#else	229	#else
		230
140	# define VAR(name,decl) static decl	231	# define VAR(name,decl) static decl;
141	# include "ev_vars.h"	232	# include "ev_vars.h"
142	#endif
143	#undef VAR	233	# undef VAR
		234
		235	#endif
144		236
145	/*****************************************************************************/	237	/*****************************************************************************/
146		238
147	inline ev_tstamp	239	inline ev_tstamp
148	ev_time (void)	240	ev_time (void)
…		…
179	return rt_now;	271	return rt_now;
180	}	272	}
181		273
182	#define array_roundsize(base,n) ((n) \| 4 & ~3)	274	#define array_roundsize(base,n) ((n) \| 4 & ~3)
183		275
184	#define array_needsize(base,cur,cnt,init) \	276	#define array_needsize(base,cur,cnt,init) \
185	if (expect_false ((cnt) > cur)) \	277	if (expect_false ((cnt) > cur)) \
186	{ \	278	{ \
187	int newcnt = cur; \	279	int newcnt = cur; \
188	do \	280	do \
189	{ \	281	{ \
190	newcnt = array_roundsize (base, newcnt << 1); \	282	newcnt = array_roundsize (base, newcnt << 1); \
191	} \	283	} \
192	while ((cnt) > newcnt); \	284	while ((cnt) > newcnt); \
193	\	285	\
194	base = realloc (base, sizeof (base) (newcnt)); \	286	base = ev_realloc (base, sizeof (base) (newcnt)); \
195	init (base + cur, newcnt - cur); \	287	init (base + cur, newcnt - cur); \
196	cur = newcnt; \	288	cur = newcnt; \
197	}	289	}
		290
		291	#define array_slim(stem) \
		292	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
		293	{ \
		294	stem ## max = array_roundsize (stem ## cnt >> 1); \
		295	base = ev_realloc (base, sizeof (base) (stem ## max)); \
		296	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
		297	}
		298
		299	#define array_free(stem, idx) \
		300	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
198		301
199	/*****************************************************************************/	302	/*****************************************************************************/
200		303
201	static void	304	static void
202	anfds_init (ANFD *base, int count)	305	anfds_init (ANFD *base, int count)
…		…
268	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	371	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
269	events \|= w->events;	372	events \|= w->events;
270		373
271	anfd->reify = 0;	374	anfd->reify = 0;
272		375
273	if (anfd->events != events)
274	{
275	method_modify (EV_A_ fd, anfd->events, events);	376	method_modify (EV_A_ fd, anfd->events, events);
276	anfd->events = events;	377	anfd->events = events;
277	}
278	}	378	}
279		379
280	fdchangecnt = 0;	380	fdchangecnt = 0;
281	}	381	}
282		382
283	static void	383	static void
284	fd_change (EV_P_ int fd)	384	fd_change (EV_P_ int fd)
285	{	385	{
286	if (anfds [fd].reify \|\| fdchangecnt < 0)	386	if (anfds [fd].reify)
287	return;	387	return;
288		388
289	anfds [fd].reify = 1;	389	anfds [fd].reify = 1;
290		390
291	++fdchangecnt;	391	++fdchangecnt;
…		…
319		419
320	/* called on ENOMEM in select/poll to kill some fds and retry */	420	/* called on ENOMEM in select/poll to kill some fds and retry */
321	static void	421	static void
322	fd_enomem (EV_P)	422	fd_enomem (EV_P)
323	{	423	{
324	int fd = anfdmax;	424	int fd;
325		425
326	while (fd--)	426	for (fd = anfdmax; fd--; )
327	if (anfds [fd].events)	427	if (anfds [fd].events)
328	{	428	{
329	close (fd);
330	fd_kill (EV_A_ fd);	429	fd_kill (EV_A_ fd);
331	return;	430	return;
332	}	431	}
333	}	432	}
334		433
		434	/* usually called after fork if method needs to re-arm all fds from scratch */
		435	static void
		436	fd_rearm_all (EV_P)
		437	{
		438	int fd;
		439
		440	/* this should be highly optimised to not do anything but set a flag */
		441	for (fd = 0; fd < anfdmax; ++fd)
		442	if (anfds [fd].events)
		443	{
		444	anfds [fd].events = 0;
		445	fd_change (EV_A_ fd);
		446	}
		447	}
		448
335	/*****************************************************************************/	449	/*****************************************************************************/
336		450
337	static void	451	static void
338	upheap (WT *timers, int k)	452	upheap (WT *heap, int k)
339	{	453	{
340	WT w = timers [k];	454	WT w = heap [k];
341		455
342	while (k && timers [k >> 1]->at > w->at)	456	while (k && heap [k >> 1]->at > w->at)
343	{	457	{
344	timers [k] = timers [k >> 1];	458	heap [k] = heap [k >> 1];
345	timers [k]->active = k + 1;	459	((W)heap [k])->active = k + 1;
346	k >>= 1;	460	k >>= 1;
347	}	461	}
348		462
349	timers [k] = w;	463	heap [k] = w;
350	timers [k]->active = k + 1;	464	((W)heap [k])->active = k + 1;
351		465
352	}	466	}
353		467
354	static void	468	static void
355	downheap (WT *timers, int N, int k)	469	downheap (WT *heap, int N, int k)
356	{	470	{
357	WT w = timers [k];	471	WT w = heap [k];
358		472
359	while (k < (N >> 1))	473	while (k < (N >> 1))
360	{	474	{
361	int j = k << 1;	475	int j = k << 1;
362		476
363	if (j + 1 < N && timers [j]->at > timers [j + 1]->at)	477	if (j + 1 < N && heap [j]->at > heap [j + 1]->at)
364	++j;	478	++j;
365		479
366	if (w->at <= timers [j]->at)	480	if (w->at <= heap [j]->at)
367	break;	481	break;
368		482
369	timers [k] = timers [j];	483	heap [k] = heap [j];
370	timers [k]->active = k + 1;	484	((W)heap [k])->active = k + 1;
371	k = j;	485	k = j;
372	}	486	}
373		487
374	timers [k] = w;	488	heap [k] = w;
375	timers [k]->active = k + 1;	489	((W)heap [k])->active = k + 1;
376	}	490	}
377		491
378	/*****************************************************************************/	492	/*****************************************************************************/
379		493
380	typedef struct	494	typedef struct
381	{	495	{
382	struct ev_watcher_list *head;	496	WL head;
383	sig_atomic_t volatile gotsig;	497	sig_atomic_t volatile gotsig;
384	} ANSIG;	498	} ANSIG;
385		499
386	static ANSIG *signals;	500	static ANSIG *signals;
387	static int signalmax;	501	static int signalmax;
388		502
389	static int sigpipe [2];	503	static int sigpipe [2];
390	static sig_atomic_t volatile gotsig;	504	static sig_atomic_t volatile gotsig;
		505	static struct ev_io sigev;
391		506
392	static void	507	static void
393	signals_init (ANSIG *base, int count)	508	signals_init (ANSIG *base, int count)
394	{	509	{
395	while (count--)	510	while (count--)
…		…
402	}	517	}
403		518
404	static void	519	static void
405	sighandler (int signum)	520	sighandler (int signum)
406	{	521	{
		522	#if WIN32
		523	signal (signum, sighandler);
		524	#endif
		525
407	signals [signum - 1].gotsig = 1;	526	signals [signum - 1].gotsig = 1;
408		527
409	if (!gotsig)	528	if (!gotsig)
410	{	529	{
411	int old_errno = errno;	530	int old_errno = errno;
…		…
416	}	535	}
417		536
418	static void	537	static void
419	sigcb (EV_P_ struct ev_io *iow, int revents)	538	sigcb (EV_P_ struct ev_io *iow, int revents)
420	{	539	{
421	struct ev_watcher_list *w;	540	WL w;
422	int signum;	541	int signum;
423		542
424	read (sigpipe [0], &revents, 1);	543	read (sigpipe [0], &revents, 1);
425	gotsig = 0;	544	gotsig = 0;
426		545
…		…
445	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);	564	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
446	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);	565	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
447	#endif	566	#endif
448		567
449	ev_io_set (&sigev, sigpipe [0], EV_READ);	568	ev_io_set (&sigev, sigpipe [0], EV_READ);
450	ev_io_start (&sigev);	569	ev_io_start (EV_A_ &sigev);
451	ev_unref (EV_A); /* child watcher should not keep loop alive */	570	ev_unref (EV_A); /* child watcher should not keep loop alive */
452	}	571	}
453		572
454	/*****************************************************************************/	573	/*****************************************************************************/
455		574
456	#ifndef WIN32	575	#ifndef WIN32
		576
		577	static struct ev_child *childs [PID_HASHSIZE];
		578	static struct ev_signal childev;
457		579
458	#ifndef WCONTINUED	580	#ifndef WCONTINUED
459	# define WCONTINUED 0	581	# define WCONTINUED 0
460	#endif	582	#endif
461		583
…		…
465	struct ev_child *w;	587	struct ev_child *w;
466		588
467	for (w = (struct ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child )((WL)w)->next)	589	for (w = (struct ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child )((WL)w)->next)
468	if (w->pid == pid \|\| !w->pid)	590	if (w->pid == pid \|\| !w->pid)
469	{	591	{
470	w->priority = sw->priority; /* need to do it now */	592	ev_priority (w) = ev_priority (sw); /* need to do it now */
471	w->rpid = pid;	593	w->rpid = pid;
472	w->rstatus = status;	594	w->rstatus = status;
473	event (EV_A_ (W)w, EV_CHILD);	595	event (EV_A_ (W)w, EV_CHILD);
474	}	596	}
475	}	597	}
476		598
477	static void	599	static void
…		…
497	# include "ev_kqueue.c"	619	# include "ev_kqueue.c"
498	#endif	620	#endif
499	#if EV_USE_EPOLL	621	#if EV_USE_EPOLL
500	# include "ev_epoll.c"	622	# include "ev_epoll.c"
501	#endif	623	#endif
502	#if EV_USEV_POLL	624	#if EV_USE_POLL
503	# include "ev_poll.c"	625	# include "ev_poll.c"
504	#endif	626	#endif
505	#if EV_USE_SELECT	627	#if EV_USE_SELECT
506	# include "ev_select.c"	628	# include "ev_select.c"
507	#endif	629	#endif
…		…
534	ev_method (EV_P)	656	ev_method (EV_P)
535	{	657	{
536	return method;	658	return method;
537	}	659	}
538		660
539	int	661	static void
540	ev_init (EV_P_ int methods)	662	loop_init (EV_P_ int methods)
541	{	663	{
542	#ifdef EV_MULTIPLICITY
543	memset (loop, 0, sizeof (struct ev_loop));
544	#endif
545
546	if (!method)	664	if (!method)
547	{	665	{
548	#if EV_USE_MONOTONIC	666	#if EV_USE_MONOTONIC
549	{	667	{
550	struct timespec ts;	668	struct timespec ts;
…		…
554	#endif	672	#endif
555		673
556	rt_now = ev_time ();	674	rt_now = ev_time ();
557	mn_now = get_clock ();	675	mn_now = get_clock ();
558	now_floor = mn_now;	676	now_floor = mn_now;
559	diff = rt_now - mn_now;	677	rtmn_diff = rt_now - mn_now;
560
561	if (pipe (sigpipe))
562	return 0;
563		678
564	if (methods == EVMETHOD_AUTO)	679	if (methods == EVMETHOD_AUTO)
565	if (!enable_secure () && getenv ("LIBmethodS"))	680	if (!enable_secure () && getenv ("LIBEV_METHODS"))
566	methods = atoi (getenv ("LIBmethodS"));	681	methods = atoi (getenv ("LIBEV_METHODS"));
567	else	682	else
568	methods = EVMETHOD_ANY;	683	methods = EVMETHOD_ANY;
569		684
570	method = 0;	685	method = 0;
		686	#if EV_USE_WIN32
		687	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);
		688	#endif
571	#if EV_USE_KQUEUE	689	#if EV_USE_KQUEUE
572	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	690	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);
573	#endif	691	#endif
574	#if EV_USE_EPOLL	692	#if EV_USE_EPOLL
575	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	693	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);
576	#endif	694	#endif
577	#if EV_USEV_POLL	695	#if EV_USE_POLL
578	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	696	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);
579	#endif	697	#endif
580	#if EV_USE_SELECT	698	#if EV_USE_SELECT
581	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	699	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);
582	#endif	700	#endif
583		701
		702	ev_watcher_init (&sigev, sigcb);
		703	ev_set_priority (&sigev, EV_MAXPRI);
		704	}
		705	}
		706
		707	void
		708	loop_destroy (EV_P)
		709	{
		710	int i;
		711
		712	#if EV_USE_WIN32
		713	if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);
		714	#endif
		715	#if EV_USE_KQUEUE
		716	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
		717	#endif
		718	#if EV_USE_EPOLL
		719	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);
		720	#endif
		721	#if EV_USE_POLL
		722	if (method == EVMETHOD_POLL ) poll_destroy (EV_A);
		723	#endif
		724	#if EV_USE_SELECT
		725	if (method == EVMETHOD_SELECT) select_destroy (EV_A);
		726	#endif
		727
		728	for (i = NUMPRI; i--; )
		729	array_free (pending, [i]);
		730
		731	array_free (fdchange, );
		732	array_free (timer, );
		733	array_free (periodic, );
		734	array_free (idle, );
		735	array_free (prepare, );
		736	array_free (check, );
		737
		738	method = 0;
		739	}
		740
		741	static void
		742	loop_fork (EV_P)
		743	{
		744	#if EV_USE_EPOLL
		745	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
		746	#endif
		747	#if EV_USE_KQUEUE
		748	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
		749	#endif
		750
		751	if (ev_is_active (&sigev))
		752	{
		753	/* default loop */
		754
		755	ev_ref (EV_A);
		756	ev_io_stop (EV_A_ &sigev);
		757	close (sigpipe [0]);
		758	close (sigpipe [1]);
		759
		760	while (pipe (sigpipe))
		761	syserr ("(libev) error creating pipe");
		762
		763	siginit (EV_A);
		764	}
		765
		766	postfork = 0;
		767	}
		768
		769	#if EV_MULTIPLICITY
		770	struct ev_loop *
		771	ev_loop_new (int methods)
		772	{
		773	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
		774
		775	memset (loop, 0, sizeof (struct ev_loop));
		776
		777	loop_init (EV_A_ methods);
		778
		779	if (ev_method (EV_A))
		780	return loop;
		781
		782	return 0;
		783	}
		784
		785	void
		786	ev_loop_destroy (EV_P)
		787	{
		788	loop_destroy (EV_A);
		789	ev_free (loop);
		790	}
		791
		792	void
		793	ev_loop_fork (EV_P)
		794	{
		795	postfork = 1;
		796	}
		797
		798	#endif
		799
		800	#if EV_MULTIPLICITY
		801	struct ev_loop default_loop_struct;
		802	static struct ev_loop *default_loop;
		803
		804	struct ev_loop *
		805	#else
		806	static int default_loop;
		807
		808	int
		809	#endif
		810	ev_default_loop (int methods)
		811	{
		812	if (sigpipe [0] == sigpipe [1])
		813	if (pipe (sigpipe))
		814	return 0;
		815
		816	if (!default_loop)
		817	{
		818	#if EV_MULTIPLICITY
		819	struct ev_loop *loop = default_loop = &default_loop_struct;
		820	#else
		821	default_loop = 1;
		822	#endif
		823
		824	loop_init (EV_A_ methods);
		825
584	if (method)	826	if (ev_method (EV_A))
585	{	827	{
586	ev_watcher_init (&sigev, sigcb);
587	ev_set_priority (&sigev, EV_MAXPRI);
588	siginit (EV_A);	828	siginit (EV_A);
589		829
590	#ifndef WIN32	830	#ifndef WIN32
591	ev_signal_init (&childev, childcb, SIGCHLD);	831	ev_signal_init (&childev, childcb, SIGCHLD);
592	ev_set_priority (&childev, EV_MAXPRI);	832	ev_set_priority (&childev, EV_MAXPRI);
593	ev_signal_start (EV_A_ &childev);	833	ev_signal_start (EV_A_ &childev);
594	ev_unref (EV_A); /* child watcher should not keep loop alive */	834	ev_unref (EV_A); /* child watcher should not keep loop alive */
595	#endif	835	#endif
596	}	836	}
		837	else
		838	default_loop = 0;
597	}	839	}
598		840
599	return method;	841	return default_loop;
600	}	842	}
601		843
602	/*****************************************************************************/
603
604	void	844	void
605	ev_fork_prepare (void)	845	ev_default_destroy (void)
606	{	846	{
607	/* nop */	847	#if EV_MULTIPLICITY
608	}	848	struct ev_loop *loop = default_loop;
609
610	void
611	ev_fork_parent (void)
612	{
613	/* nop */
614	}
615
616	void
617	ev_fork_child (void)
618	{
619	#if EV_USE_EPOLL
620	if (method == EVMETHOD_EPOLL)
621	epoll_postfork_child ();
622	#endif	849	#endif
623		850
		851	ev_ref (EV_A); /* child watcher */
		852	ev_signal_stop (EV_A_ &childev);
		853
		854	ev_ref (EV_A); /* signal watcher */
624	ev_io_stop (&sigev);	855	ev_io_stop (EV_A_ &sigev);
625	close (sigpipe [0]);	856
626	close (sigpipe [1]);	857	close (sigpipe [0]); sigpipe [0] = 0;
627	pipe (sigpipe);	858	close (sigpipe [1]); sigpipe [1] = 0;
628	siginit ();	859
		860	loop_destroy (EV_A);
		861	}
		862
		863	void
		864	ev_default_fork (void)
		865	{
		866	#if EV_MULTIPLICITY
		867	struct ev_loop *loop = default_loop;
		868	#endif
		869
		870	if (method)
		871	postfork = 1;
629	}	872	}
630		873
631	/*****************************************************************************/	874	/*****************************************************************************/
632		875
633	static void	876	static void
…		…
649	}	892	}
650		893
651	static void	894	static void
652	timers_reify (EV_P)	895	timers_reify (EV_P)
653	{	896	{
654	while (timercnt && timers [0]->at <= mn_now)	897	while (timercnt && ((WT)timers [0])->at <= mn_now)
655	{	898	{
656	struct ev_timer *w = timers [0];	899	struct ev_timer *w = timers [0];
		900
		901	assert (("inactive timer on timer heap detected", ev_is_active (w)));
657		902
658	/* first reschedule or stop timer */	903	/* first reschedule or stop timer */
659	if (w->repeat)	904	if (w->repeat)
660	{	905	{
661	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	906	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
662	w->at = mn_now + w->repeat;	907	((WT)w)->at = mn_now + w->repeat;
663	downheap ((WT *)timers, timercnt, 0);	908	downheap ((WT *)timers, timercnt, 0);
664	}	909	}
665	else	910	else
666	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	911	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
667		912
668	event ((W)w, EV_TIMEOUT);	913	event (EV_A_ (W)w, EV_TIMEOUT);
669	}	914	}
670	}	915	}
671		916
672	static void	917	static void
673	periodics_reify (EV_P)	918	periodics_reify (EV_P)
674	{	919	{
675	while (periodiccnt && periodics [0]->at <= rt_now)	920	while (periodiccnt && ((WT)periodics [0])->at <= rt_now)
676	{	921	{
677	struct ev_periodic *w = periodics [0];	922	struct ev_periodic *w = periodics [0];
		923
		924	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
678		925
679	/* first reschedule or stop timer */	926	/* first reschedule or stop timer */
680	if (w->interval)	927	if (w->interval)
681	{	928	{
682	w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval;	929	((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
683	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now));	930	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now));
684	downheap ((WT *)periodics, periodiccnt, 0);	931	downheap ((WT *)periodics, periodiccnt, 0);
685	}	932	}
686	else	933	else
687	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	934	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
688		935
689	event (EV_A_ (W)w, EV_PERIODIC);	936	event (EV_A_ (W)w, EV_PERIODIC);
690	}	937	}
691	}	938	}
692		939
693	static void	940	static void
694	periodics_reschedule (EV_P_ ev_tstamp diff)	941	periodics_reschedule (EV_P)
695	{	942	{
696	int i;	943	int i;
697		944
698	/* adjust periodics after time jump */	945	/* adjust periodics after time jump */
699	for (i = 0; i < periodiccnt; ++i)	946	for (i = 0; i < periodiccnt; ++i)
700	{	947	{
701	struct ev_periodic *w = periodics [i];	948	struct ev_periodic *w = periodics [i];
702		949
703	if (w->interval)	950	if (w->interval)
704	{	951	{
705	ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval;	952	ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
706		953
707	if (fabs (diff) >= 1e-4)	954	if (fabs (diff) >= 1e-4)
708	{	955	{
709	ev_periodic_stop (EV_A_ w);	956	ev_periodic_stop (EV_A_ w);
710	ev_periodic_start (EV_A_ w);	957	ev_periodic_start (EV_A_ w);
…		…
720	{	967	{
721	mn_now = get_clock ();	968	mn_now = get_clock ();
722		969
723	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	970	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
724	{	971	{
725	rt_now = mn_now + diff;	972	rt_now = rtmn_diff + mn_now;
726	return 0;	973	return 0;
727	}	974	}
728	else	975	else
729	{	976	{
730	now_floor = mn_now;	977	now_floor = mn_now;
…		…
741	#if EV_USE_MONOTONIC	988	#if EV_USE_MONOTONIC
742	if (expect_true (have_monotonic))	989	if (expect_true (have_monotonic))
743	{	990	{
744	if (time_update_monotonic (EV_A))	991	if (time_update_monotonic (EV_A))
745	{	992	{
746	ev_tstamp odiff = diff;	993	ev_tstamp odiff = rtmn_diff;
747		994
748	for (i = 4; --i; ) /* loop a few times, before making important decisions */	995	for (i = 4; --i; ) /* loop a few times, before making important decisions */
749	{	996	{
750	diff = rt_now - mn_now;	997	rtmn_diff = rt_now - mn_now;
751		998
752	if (fabs (odiff - diff) < MIN_TIMEJUMP)	999	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
753	return; /* all is well */	1000	return; /* all is well */
754		1001
755	rt_now = ev_time ();	1002	rt_now = ev_time ();
756	mn_now = get_clock ();	1003	mn_now = get_clock ();
757	now_floor = mn_now;	1004	now_floor = mn_now;
758	}	1005	}
759		1006
760	periodics_reschedule (EV_A_ diff - odiff);	1007	periodics_reschedule (EV_A);
761	/* no timer adjustment, as the monotonic clock doesn't jump */	1008	/* no timer adjustment, as the monotonic clock doesn't jump */
		1009	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
762	}	1010	}
763	}	1011	}
764	else	1012	else
765	#endif	1013	#endif
766	{	1014	{
767	rt_now = ev_time ();	1015	rt_now = ev_time ();
768		1016
769	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1017	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
770	{	1018	{
771	periodics_reschedule (EV_A_ rt_now - mn_now);	1019	periodics_reschedule (EV_A);
772		1020
773	/* adjust timers. this is easy, as the offset is the same for all */	1021	/* adjust timers. this is easy, as the offset is the same for all */
774	for (i = 0; i < timercnt; ++i)	1022	for (i = 0; i < timercnt; ++i)
775	timers [i]->at += diff;	1023	((WT)timers [i])->at += rt_now - mn_now;
776	}	1024	}
777		1025
778	mn_now = rt_now;	1026	mn_now = rt_now;
779	}	1027	}
780	}	1028	}
…		…
806	{	1054	{
807	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1055	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
808	call_pending (EV_A);	1056	call_pending (EV_A);
809	}	1057	}
810		1058
		1059	/* we might have forked, so reify kernel state if necessary */
		1060	if (expect_false (postfork))
		1061	loop_fork (EV_A);
		1062
811	/* update fd-related kernel structures */	1063	/* update fd-related kernel structures */
812	fd_reify (EV_A);	1064	fd_reify (EV_A);
813		1065
814	/* calculate blocking time */	1066	/* calculate blocking time */
815		1067
…		…
831	{	1083	{
832	block = MAX_BLOCKTIME;	1084	block = MAX_BLOCKTIME;
833		1085
834	if (timercnt)	1086	if (timercnt)
835	{	1087	{
836	ev_tstamp to = timers [0]->at - mn_now + method_fudge;	1088	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
837	if (block > to) block = to;	1089	if (block > to) block = to;
838	}	1090	}
839		1091
840	if (periodiccnt)	1092	if (periodiccnt)
841	{	1093	{
842	ev_tstamp to = periodics [0]->at - rt_now + method_fudge;	1094	ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;
843	if (block > to) block = to;	1095	if (block > to) block = to;
844	}	1096	}
845		1097
846	if (block < 0.) block = 0.;	1098	if (block < 0.) block = 0.;
847	}	1099	}
…		…
964	ev_timer_start (EV_P_ struct ev_timer *w)	1216	ev_timer_start (EV_P_ struct ev_timer *w)
965	{	1217	{
966	if (ev_is_active (w))	1218	if (ev_is_active (w))
967	return;	1219	return;
968		1220
969	w->at += mn_now;	1221	((WT)w)->at += mn_now;
970		1222
971	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1223	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
972		1224
973	ev_start (EV_A_ (W)w, ++timercnt);	1225	ev_start (EV_A_ (W)w, ++timercnt);
974	array_needsize (timers, timermax, timercnt, );	1226	array_needsize (timers, timermax, timercnt, );
975	timers [timercnt - 1] = w;	1227	timers [timercnt - 1] = w;
976	upheap ((WT *)timers, timercnt - 1);	1228	upheap ((WT *)timers, timercnt - 1);
		1229
		1230	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
977	}	1231	}
978		1232
979	void	1233	void
980	ev_timer_stop (EV_P_ struct ev_timer *w)	1234	ev_timer_stop (EV_P_ struct ev_timer *w)
981	{	1235	{
982	ev_clear_pending (EV_A_ (W)w);	1236	ev_clear_pending (EV_A_ (W)w);
983	if (!ev_is_active (w))	1237	if (!ev_is_active (w))
984	return;	1238	return;
985		1239
		1240	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1241
986	if (w->active < timercnt--)	1242	if (((W)w)->active < timercnt--)
987	{	1243	{
988	timers [w->active - 1] = timers [timercnt];	1244	timers [((W)w)->active - 1] = timers [timercnt];
989	downheap ((WT *)timers, timercnt, w->active - 1);	1245	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
990	}	1246	}
991		1247
992	w->at = w->repeat;	1248	((WT)w)->at = w->repeat;
993		1249
994	ev_stop (EV_A_ (W)w);	1250	ev_stop (EV_A_ (W)w);
995	}	1251	}
996		1252
997	void	1253	void
…		…
999	{	1255	{
1000	if (ev_is_active (w))	1256	if (ev_is_active (w))
1001	{	1257	{
1002	if (w->repeat)	1258	if (w->repeat)
1003	{	1259	{
1004	w->at = mn_now + w->repeat;	1260	((WT)w)->at = mn_now + w->repeat;
1005	downheap ((WT *)timers, timercnt, w->active - 1);	1261	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1006	}	1262	}
1007	else	1263	else
1008	ev_timer_stop (EV_A_ w);	1264	ev_timer_stop (EV_A_ w);
1009	}	1265	}
1010	else if (w->repeat)	1266	else if (w->repeat)
…		…
1019		1275
1020	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1276	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1021		1277
1022	/* this formula differs from the one in periodic_reify because we do not always round up */	1278	/* this formula differs from the one in periodic_reify because we do not always round up */
1023	if (w->interval)	1279	if (w->interval)
1024	w->at += ceil ((rt_now - w->at) / w->interval) * w->interval;	1280	((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
1025		1281
1026	ev_start (EV_A_ (W)w, ++periodiccnt);	1282	ev_start (EV_A_ (W)w, ++periodiccnt);
1027	array_needsize (periodics, periodicmax, periodiccnt, );	1283	array_needsize (periodics, periodicmax, periodiccnt, );
1028	periodics [periodiccnt - 1] = w;	1284	periodics [periodiccnt - 1] = w;
1029	upheap ((WT *)periodics, periodiccnt - 1);	1285	upheap ((WT *)periodics, periodiccnt - 1);
		1286
		1287	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1030	}	1288	}
1031		1289
1032	void	1290	void
1033	ev_periodic_stop (EV_P_ struct ev_periodic *w)	1291	ev_periodic_stop (EV_P_ struct ev_periodic *w)
1034	{	1292	{
1035	ev_clear_pending (EV_A_ (W)w);	1293	ev_clear_pending (EV_A_ (W)w);
1036	if (!ev_is_active (w))	1294	if (!ev_is_active (w))
1037	return;	1295	return;
1038		1296
		1297	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1298
1039	if (w->active < periodiccnt--)	1299	if (((W)w)->active < periodiccnt--)
1040	{	1300	{
1041	periodics [w->active - 1] = periodics [periodiccnt];	1301	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1042	downheap ((WT *)periodics, periodiccnt, w->active - 1);	1302	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1043	}	1303	}
1044		1304
		1305	ev_stop (EV_A_ (W)w);
		1306	}
		1307
		1308	void
		1309	ev_idle_start (EV_P_ struct ev_idle *w)
		1310	{
		1311	if (ev_is_active (w))
		1312	return;
		1313
		1314	ev_start (EV_A_ (W)w, ++idlecnt);
		1315	array_needsize (idles, idlemax, idlecnt, );
		1316	idles [idlecnt - 1] = w;
		1317	}
		1318
		1319	void
		1320	ev_idle_stop (EV_P_ struct ev_idle *w)
		1321	{
		1322	ev_clear_pending (EV_A_ (W)w);
		1323	if (ev_is_active (w))
		1324	return;
		1325
		1326	idles [((W)w)->active - 1] = idles [--idlecnt];
		1327	ev_stop (EV_A_ (W)w);
		1328	}
		1329
		1330	void
		1331	ev_prepare_start (EV_P_ struct ev_prepare *w)
		1332	{
		1333	if (ev_is_active (w))
		1334	return;
		1335
		1336	ev_start (EV_A_ (W)w, ++preparecnt);
		1337	array_needsize (prepares, preparemax, preparecnt, );
		1338	prepares [preparecnt - 1] = w;
		1339	}
		1340
		1341	void
		1342	ev_prepare_stop (EV_P_ struct ev_prepare *w)
		1343	{
		1344	ev_clear_pending (EV_A_ (W)w);
		1345	if (ev_is_active (w))
		1346	return;
		1347
		1348	prepares [((W)w)->active - 1] = prepares [--preparecnt];
		1349	ev_stop (EV_A_ (W)w);
		1350	}
		1351
		1352	void
		1353	ev_check_start (EV_P_ struct ev_check *w)
		1354	{
		1355	if (ev_is_active (w))
		1356	return;
		1357
		1358	ev_start (EV_A_ (W)w, ++checkcnt);
		1359	array_needsize (checks, checkmax, checkcnt, );
		1360	checks [checkcnt - 1] = w;
		1361	}
		1362
		1363	void
		1364	ev_check_stop (EV_P_ struct ev_check *w)
		1365	{
		1366	ev_clear_pending (EV_A_ (W)w);
		1367	if (ev_is_active (w))
		1368	return;
		1369
		1370	checks [((W)w)->active - 1] = checks [--checkcnt];
1045	ev_stop (EV_A_ (W)w);	1371	ev_stop (EV_A_ (W)w);
1046	}	1372	}
1047		1373
1048	#ifndef SA_RESTART	1374	#ifndef SA_RESTART
1049	# define SA_RESTART 0	1375	# define SA_RESTART 0
1050	#endif	1376	#endif
1051		1377
1052	void	1378	void
1053	ev_signal_start (EV_P_ struct ev_signal *w)	1379	ev_signal_start (EV_P_ struct ev_signal *w)
1054	{	1380	{
		1381	#if EV_MULTIPLICITY
		1382	assert (("signal watchers are only supported in the default loop", loop == default_loop));
		1383	#endif
1055	if (ev_is_active (w))	1384	if (ev_is_active (w))
1056	return;	1385	return;
1057		1386
1058	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1387	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1059		1388
1060	ev_start (EV_A_ (W)w, 1);	1389	ev_start (EV_A_ (W)w, 1);
1061	array_needsize (signals, signalmax, w->signum, signals_init);	1390	array_needsize (signals, signalmax, w->signum, signals_init);
1062	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1391	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1063		1392
1064	if (!w->next)	1393	if (!((WL)w)->next)
1065	{	1394	{
		1395	#if WIN32
		1396	signal (w->signum, sighandler);
		1397	#else
1066	struct sigaction sa;	1398	struct sigaction sa;
1067	sa.sa_handler = sighandler;	1399	sa.sa_handler = sighandler;
1068	sigfillset (&sa.sa_mask);	1400	sigfillset (&sa.sa_mask);
1069	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	1401	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1070	sigaction (w->signum, &sa, 0);	1402	sigaction (w->signum, &sa, 0);
		1403	#endif
1071	}	1404	}
1072	}	1405	}
1073		1406
1074	void	1407	void
1075	ev_signal_stop (EV_P_ struct ev_signal *w)	1408	ev_signal_stop (EV_P_ struct ev_signal *w)
…		…
1084	if (!signals [w->signum - 1].head)	1417	if (!signals [w->signum - 1].head)
1085	signal (w->signum, SIG_DFL);	1418	signal (w->signum, SIG_DFL);
1086	}	1419	}
1087		1420
1088	void	1421	void
1089	ev_idle_start (EV_P_ struct ev_idle *w)
1090	{
1091	if (ev_is_active (w))
1092	return;
1093
1094	ev_start (EV_A_ (W)w, ++idlecnt);
1095	array_needsize (idles, idlemax, idlecnt, );
1096	idles [idlecnt - 1] = w;
1097	}
1098
1099	void
1100	ev_idle_stop (EV_P_ struct ev_idle *w)
1101	{
1102	ev_clear_pending (EV_A_ (W)w);
1103	if (ev_is_active (w))
1104	return;
1105
1106	idles [w->active - 1] = idles [--idlecnt];
1107	ev_stop (EV_A_ (W)w);
1108	}
1109
1110	void
1111	ev_prepare_start (EV_P_ struct ev_prepare *w)
1112	{
1113	if (ev_is_active (w))
1114	return;
1115
1116	ev_start (EV_A_ (W)w, ++preparecnt);
1117	array_needsize (prepares, preparemax, preparecnt, );
1118	prepares [preparecnt - 1] = w;
1119	}
1120
1121	void
1122	ev_prepare_stop (EV_P_ struct ev_prepare *w)
1123	{
1124	ev_clear_pending (EV_A_ (W)w);
1125	if (ev_is_active (w))
1126	return;
1127
1128	prepares [w->active - 1] = prepares [--preparecnt];
1129	ev_stop (EV_A_ (W)w);
1130	}
1131
1132	void
1133	ev_check_start (EV_P_ struct ev_check *w)
1134	{
1135	if (ev_is_active (w))
1136	return;
1137
1138	ev_start (EV_A_ (W)w, ++checkcnt);
1139	array_needsize (checks, checkmax, checkcnt, );
1140	checks [checkcnt - 1] = w;
1141	}
1142
1143	void
1144	ev_check_stop (EV_P_ struct ev_check *w)
1145	{
1146	ev_clear_pending (EV_A_ (W)w);
1147	if (ev_is_active (w))
1148	return;
1149
1150	checks [w->active - 1] = checks [--checkcnt];
1151	ev_stop (EV_A_ (W)w);
1152	}
1153
1154	void
1155	ev_child_start (EV_P_ struct ev_child *w)	1422	ev_child_start (EV_P_ struct ev_child *w)
1156	{	1423	{
		1424	#if EV_MULTIPLICITY
		1425	assert (("child watchers are only supported in the default loop", loop == default_loop));
		1426	#endif
1157	if (ev_is_active (w))	1427	if (ev_is_active (w))
1158	return;	1428	return;
1159		1429
1160	ev_start (EV_A_ (W)w, 1);	1430	ev_start (EV_A_ (W)w, 1);
1161	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1431	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
…		…
1188	void (cb)(int revents, void arg) = once->cb;	1458	void (cb)(int revents, void arg) = once->cb;
1189	void *arg = once->arg;	1459	void *arg = once->arg;
1190		1460
1191	ev_io_stop (EV_A_ &once->io);	1461	ev_io_stop (EV_A_ &once->io);
1192	ev_timer_stop (EV_A_ &once->to);	1462	ev_timer_stop (EV_A_ &once->to);
1193	free (once);	1463	ev_free (once);
1194		1464
1195	cb (revents, arg);	1465	cb (revents, arg);
1196	}	1466	}
1197		1467
1198	static void	1468	static void
…		…
1208	}	1478	}
1209		1479
1210	void	1480	void
1211	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1481	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1212	{	1482	{
1213	struct ev_once *once = malloc (sizeof (struct ev_once));	1483	struct ev_once *once = ev_malloc (sizeof (struct ev_once));
1214		1484
1215	if (!once)	1485	if (!once)
1216	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1486	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1217	else	1487	else
1218	{	1488	{
…		…
1233	ev_timer_start (EV_A_ &once->to);	1503	ev_timer_start (EV_A_ &once->to);
1234	}	1504	}
1235	}	1505	}
1236	}	1506	}
1237		1507
1238	/*****************************************************************************/
1239
1240	#if 0
1241
1242	struct ev_io wio;
1243
1244	static void
1245	sin_cb (struct ev_io *w, int revents)
1246	{
1247	fprintf (stderr, "sin %d, revents %d\n", w->fd, revents);
1248	}
1249
1250	static void
1251	ocb (struct ev_timer *w, int revents)
1252	{
1253	//fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data);
1254	ev_timer_stop (w);
1255	ev_timer_start (w);
1256	}
1257
1258	static void
1259	scb (struct ev_signal *w, int revents)
1260	{
1261	fprintf (stderr, "signal %x,%d\n", revents, w->signum);
1262	ev_io_stop (&wio);
1263	ev_io_start (&wio);
1264	}
1265
1266	static void
1267	gcb (struct ev_signal *w, int revents)
1268	{
1269	fprintf (stderr, "generic %x\n", revents);
1270
1271	}
1272
1273	int main (void)
1274	{
1275	ev_init (0);
1276
1277	ev_io_init (&wio, sin_cb, 0, EV_READ);
1278	ev_io_start (&wio);
1279
1280	struct ev_timer t[10000];
1281
1282	#if 0
1283	int i;
1284	for (i = 0; i < 10000; ++i)
1285	{
1286	struct ev_timer *w = t + i;
1287	ev_watcher_init (w, ocb, i);
1288	ev_timer_init_abs (w, ocb, drand48 (), 0.99775533);
1289	ev_timer_start (w);
1290	if (drand48 () < 0.5)
1291	ev_timer_stop (w);
1292	}
1293	#endif
1294
1295	struct ev_timer t1;
1296	ev_timer_init (&t1, ocb, 5, 10);
1297	ev_timer_start (&t1);
1298
1299	struct ev_signal sig;
1300	ev_signal_init (&sig, scb, SIGQUIT);
1301	ev_signal_start (&sig);
1302
1303	struct ev_check cw;
1304	ev_check_init (&cw, gcb);
1305	ev_check_start (&cw);
1306
1307	struct ev_idle iw;
1308	ev_idle_init (&iw, gcb);
1309	ev_idle_start (&iw);
1310
1311	ev_loop (0);
1312
1313	return 0;
1314	}
1315
1316	#endif
1317
1318
1319
1320

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Comparing libev/ev.c (file contents): Revision 1.53 by root, Sat Nov 3 22:31:11 2007 UTC vs. Revision 1.70 by root, Tue Nov 6 00:52:32 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.53 by root, Sat Nov 3 22:31:11 2007 UTC vs.
Revision 1.70 by root, Tue Nov 6 00:52:32 2007 UTC