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

Comparing libev/ev.c (file contents):
Revision 1.52 by root, Sat Nov 3 22:10:39 2007 UTC vs.
Revision 1.69 by root, Tue Nov 6 00:10:04 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
118	static ev_tstamp now_floor, mn_now, diff; /* monotonic clock */	148	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
119	static ev_tstamp rt_now;
120	static int method;
121		149
122	static int have_monotonic; /* runtime */	150	#if WIN32
123		151	/* note: the comment below could not be substantiated, but what would I care */
124	static ev_tstamp method_fudge; /* stupid epoll-returns-early bug */	152	/* MSDN says this is required to handle SIGFPE */
125	static void (*method_modify)(EV_P_ int fd, int oev, int nev);	153	volatile double SIGFPE_REQ = 0.0f;
126	static void (*method_poll)(EV_P_ ev_tstamp timeout);
127
128	static int activecnt; /* number of active events */
129
130	#if EV_USE_SELECT
131	static unsigned char vec_ri, vec_ro, vec_wi, vec_wo;
132	static int vec_max;
133	#endif	154	#endif
134		155
135	#if EV_USEV_POLL	156	/*****************************************************************************/
136	static struct pollfd *polls;
137	static int pollmax, pollcnt;
138	static int pollidxs; / maps fds into structure indices */
139	static int pollidxmax;
140	#endif
141		157
142	#if EV_USE_EPOLL	158	static void (*syserr_cb)(void);
143	static int epoll_fd = -1;
144		159
145	static struct epoll_event *events;	160	void ev_set_syserr_cb (void (*cb)(void))
146	static int eventmax;	161	{
147	#endif	162	syserr_cb = cb;
		163	}
148		164
149	#if EV_USE_KQUEUE	165	static void
150	static int kqueue_fd;	166	syserr (void)
151	static struct kevent *kqueue_changes;	167	{
152	static int kqueue_changemax, kqueue_changecnt;	168	if (syserr_cb)
153	static struct kevent *kqueue_events;	169	syserr_cb ();
154	static int kqueue_eventmax;	170	else
		171	{
		172	perror ("libev");
		173	abort ();
		174	}
		175	}
		176
		177	static void (alloc)(void *ptr, long size);
		178
		179	void ev_set_allocator (void (cb)(void *ptr, long size))
		180	{
		181	alloc = cb;
		182	}
		183
		184	static void *
		185	ev_realloc (void *ptr, long size)
		186	{
		187	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
		188
		189	if (!ptr && size)
		190	{
		191	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
		192	abort ();
		193	}
		194
		195	return ptr;
		196	}
		197
		198	#define ev_malloc(size) ev_realloc (0, (size))
		199	#define ev_free(ptr) ev_realloc ((ptr), 0)
		200
		201	/*****************************************************************************/
		202
		203	typedef struct
		204	{
		205	WL head;
		206	unsigned char events;
		207	unsigned char reify;
		208	} ANFD;
		209
		210	typedef struct
		211	{
		212	W w;
		213	int events;
		214	} ANPENDING;
		215
		216	#if EV_MULTIPLICITY
		217
		218	struct ev_loop
		219	{
		220	# define VAR(name,decl) decl;
		221	# include "ev_vars.h"
		222	};
		223	# undef VAR
		224	# include "ev_wrap.h"
		225
		226	#else
		227
		228	# define VAR(name,decl) static decl;
		229	# include "ev_vars.h"
		230	# undef VAR
		231
155	#endif	232	#endif
156		233
157	/*****************************************************************************/	234	/*****************************************************************************/
158		235
159	inline ev_tstamp	236	inline ev_tstamp
…		…
191	return rt_now;	268	return rt_now;
192	}	269	}
193		270
194	#define array_roundsize(base,n) ((n) \| 4 & ~3)	271	#define array_roundsize(base,n) ((n) \| 4 & ~3)
195		272
196	#define array_needsize(base,cur,cnt,init) \	273	#define array_needsize(base,cur,cnt,init) \
197	if (expect_false ((cnt) > cur)) \	274	if (expect_false ((cnt) > cur)) \
198	{ \	275	{ \
199	int newcnt = cur; \	276	int newcnt = cur; \
200	do \	277	do \
201	{ \	278	{ \
202	newcnt = array_roundsize (base, newcnt << 1); \	279	newcnt = array_roundsize (base, newcnt << 1); \
203	} \	280	} \
204	while ((cnt) > newcnt); \	281	while ((cnt) > newcnt); \
205	\	282	\
206	base = realloc (base, sizeof (base) (newcnt)); \	283	base = ev_realloc (base, sizeof (base) (newcnt)); \
207	init (base + cur, newcnt - cur); \	284	init (base + cur, newcnt - cur); \
208	cur = newcnt; \	285	cur = newcnt; \
209	}	286	}
		287
		288	#define array_slim(stem) \
		289	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
		290	{ \
		291	stem ## max = array_roundsize (stem ## cnt >> 1); \
		292	base = ev_realloc (base, sizeof (base) (stem ## max)); \
		293	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
		294	}
		295
		296	#define array_free(stem, idx) \
		297	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
210		298
211	/*****************************************************************************/	299	/*****************************************************************************/
212
213	typedef struct
214	{
215	struct ev_watcher_list *head;
216	unsigned char events;
217	unsigned char reify;
218	} ANFD;
219
220	static ANFD *anfds;
221	static int anfdmax;
222		300
223	static void	301	static void
224	anfds_init (ANFD *base, int count)	302	anfds_init (ANFD *base, int count)
225	{	303	{
226	while (count--)	304	while (count--)
…		…
230	base->reify = 0;	308	base->reify = 0;
231		309
232	++base;	310	++base;
233	}	311	}
234	}	312	}
235
236	typedef struct
237	{
238	W w;
239	int events;
240	} ANPENDING;
241
242	static ANPENDING *pendings [NUMPRI];
243	static int pendingmax [NUMPRI], pendingcnt [NUMPRI];
244		313
245	static void	314	static void
246	event (EV_P_ W w, int events)	315	event (EV_P_ W w, int events)
247	{	316	{
248	if (w->pending)	317	if (w->pending)
…		…
281	}	350	}
282	}	351	}
283		352
284	/*****************************************************************************/	353	/*****************************************************************************/
285		354
286	static int *fdchanges;
287	static int fdchangemax, fdchangecnt;
288
289	static void	355	static void
290	fd_reify (EV_P)	356	fd_reify (EV_P)
291	{	357	{
292	int i;	358	int i;
293		359
…		…
302	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	368	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
303	events \|= w->events;	369	events \|= w->events;
304		370
305	anfd->reify = 0;	371	anfd->reify = 0;
306		372
307	if (anfd->events != events)
308	{
309	method_modify (EV_A_ fd, anfd->events, events);	373	method_modify (EV_A_ fd, anfd->events, events);
310	anfd->events = events;	374	anfd->events = events;
311	}
312	}	375	}
313		376
314	fdchangecnt = 0;	377	fdchangecnt = 0;
315	}	378	}
316		379
…		…
353		416
354	/* called on ENOMEM in select/poll to kill some fds and retry */	417	/* called on ENOMEM in select/poll to kill some fds and retry */
355	static void	418	static void
356	fd_enomem (EV_P)	419	fd_enomem (EV_P)
357	{	420	{
358	int fd = anfdmax;	421	int fd;
359		422
360	while (fd--)	423	for (fd = anfdmax; fd--; )
361	if (anfds [fd].events)	424	if (anfds [fd].events)
362	{	425	{
363	close (fd);
364	fd_kill (EV_A_ fd);	426	fd_kill (EV_A_ fd);
365	return;	427	return;
366	}	428	}
367	}	429	}
368		430
		431	/* susually called after fork if method needs to re-arm all fds from scratch */
		432	static void
		433	fd_rearm_all (EV_P)
		434	{
		435	int fd;
		436
		437	/* this should be highly optimised to not do anything but set a flag */
		438	for (fd = 0; fd < anfdmax; ++fd)
		439	if (anfds [fd].events)
		440	{
		441	anfds [fd].events = 0;
		442	fd_change (EV_A_ fd);
		443	}
		444	}
		445
369	/*****************************************************************************/	446	/*****************************************************************************/
370		447
371	static struct ev_timer **timers;
372	static int timermax, timercnt;
373
374	static struct ev_periodic **periodics;
375	static int periodicmax, periodiccnt;
376
377	static void	448	static void
378	upheap (WT *timers, int k)	449	upheap (WT *heap, int k)
379	{	450	{
380	WT w = timers [k];	451	WT w = heap [k];
381		452
382	while (k && timers [k >> 1]->at > w->at)	453	while (k && heap [k >> 1]->at > w->at)
383	{	454	{
384	timers [k] = timers [k >> 1];	455	heap [k] = heap [k >> 1];
385	timers [k]->active = k + 1;	456	((W)heap [k])->active = k + 1;
386	k >>= 1;	457	k >>= 1;
387	}	458	}
388		459
389	timers [k] = w;	460	heap [k] = w;
390	timers [k]->active = k + 1;	461	((W)heap [k])->active = k + 1;
391		462
392	}	463	}
393		464
394	static void	465	static void
395	downheap (WT *timers, int N, int k)	466	downheap (WT *heap, int N, int k)
396	{	467	{
397	WT w = timers [k];	468	WT w = heap [k];
398		469
399	while (k < (N >> 1))	470	while (k < (N >> 1))
400	{	471	{
401	int j = k << 1;	472	int j = k << 1;
402		473
403	if (j + 1 < N && timers [j]->at > timers [j + 1]->at)	474	if (j + 1 < N && heap [j]->at > heap [j + 1]->at)
404	++j;	475	++j;
405		476
406	if (w->at <= timers [j]->at)	477	if (w->at <= heap [j]->at)
407	break;	478	break;
408		479
409	timers [k] = timers [j];	480	heap [k] = heap [j];
410	timers [k]->active = k + 1;	481	((W)heap [k])->active = k + 1;
411	k = j;	482	k = j;
412	}	483	}
413		484
414	timers [k] = w;	485	heap [k] = w;
415	timers [k]->active = k + 1;	486	((W)heap [k])->active = k + 1;
416	}	487	}
417		488
418	/*****************************************************************************/	489	/*****************************************************************************/
419		490
420	typedef struct	491	typedef struct
421	{	492	{
422	struct ev_watcher_list *head;	493	WL head;
423	sig_atomic_t volatile gotsig;	494	sig_atomic_t volatile gotsig;
424	} ANSIG;	495	} ANSIG;
425		496
426	static ANSIG *signals;	497	static ANSIG *signals;
427	static int signalmax;	498	static int signalmax;
…		…
443	}	514	}
444		515
445	static void	516	static void
446	sighandler (int signum)	517	sighandler (int signum)
447	{	518	{
		519	#if WIN32
		520	signal (signum, sighandler);
		521	#endif
		522
448	signals [signum - 1].gotsig = 1;	523	signals [signum - 1].gotsig = 1;
449		524
450	if (!gotsig)	525	if (!gotsig)
451	{	526	{
452	int old_errno = errno;	527	int old_errno = errno;
…		…
457	}	532	}
458		533
459	static void	534	static void
460	sigcb (EV_P_ struct ev_io *iow, int revents)	535	sigcb (EV_P_ struct ev_io *iow, int revents)
461	{	536	{
462	struct ev_watcher_list *w;	537	WL w;
463	int signum;	538	int signum;
464		539
465	read (sigpipe [0], &revents, 1);	540	read (sigpipe [0], &revents, 1);
466	gotsig = 0;	541	gotsig = 0;
467		542
…		…
486	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);	561	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
487	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);	562	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
488	#endif	563	#endif
489		564
490	ev_io_set (&sigev, sigpipe [0], EV_READ);	565	ev_io_set (&sigev, sigpipe [0], EV_READ);
491	ev_io_start (&sigev);	566	ev_io_start (EV_A_ &sigev);
492	ev_unref (EV_A); /* child watcher should not keep loop alive */	567	ev_unref (EV_A); /* child watcher should not keep loop alive */
493	}	568	}
494		569
495	/*****************************************************************************/	570	/*****************************************************************************/
496		571
497	static struct ev_idle **idles;	572	#ifndef WIN32
498	static int idlemax, idlecnt;
499
500	static struct ev_prepare **prepares;
501	static int preparemax, preparecnt;
502
503	static struct ev_check **checks;
504	static int checkmax, checkcnt;
505
506	/*****************************************************************************/
507		573
508	static struct ev_child *childs [PID_HASHSIZE];	574	static struct ev_child *childs [PID_HASHSIZE];
509	static struct ev_signal childev;	575	static struct ev_signal childev;
510
511	#ifndef WIN32
512		576
513	#ifndef WCONTINUED	577	#ifndef WCONTINUED
514	# define WCONTINUED 0	578	# define WCONTINUED 0
515	#endif	579	#endif
516		580
…		…
520	struct ev_child *w;	584	struct ev_child *w;
521		585
522	for (w = (struct ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child )((WL)w)->next)	586	for (w = (struct ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child )((WL)w)->next)
523	if (w->pid == pid \|\| !w->pid)	587	if (w->pid == pid \|\| !w->pid)
524	{	588	{
525	w->priority = sw->priority; /* need to do it now */	589	ev_priority (w) = ev_priority (sw); /* need to do it now */
526	w->rpid = pid;	590	w->rpid = pid;
527	w->rstatus = status;	591	w->rstatus = status;
528	event (EV_A_ (W)w, EV_CHILD);	592	event (EV_A_ (W)w, EV_CHILD);
529	}	593	}
530	}	594	}
531		595
532	static void	596	static void
…		…
552	# include "ev_kqueue.c"	616	# include "ev_kqueue.c"
553	#endif	617	#endif
554	#if EV_USE_EPOLL	618	#if EV_USE_EPOLL
555	# include "ev_epoll.c"	619	# include "ev_epoll.c"
556	#endif	620	#endif
557	#if EV_USEV_POLL	621	#if EV_USE_POLL
558	# include "ev_poll.c"	622	# include "ev_poll.c"
559	#endif	623	#endif
560	#if EV_USE_SELECT	624	#if EV_USE_SELECT
561	# include "ev_select.c"	625	# include "ev_select.c"
562	#endif	626	#endif
…		…
589	ev_method (EV_P)	653	ev_method (EV_P)
590	{	654	{
591	return method;	655	return method;
592	}	656	}
593		657
594	int	658	static void
595	ev_init (EV_P_ int methods)	659	loop_init (EV_P_ int methods)
596	{	660	{
597	if (!method)	661	if (!method)
598	{	662	{
599	#if EV_USE_MONOTONIC	663	#if EV_USE_MONOTONIC
600	{	664	{
…		…
605	#endif	669	#endif
606		670
607	rt_now = ev_time ();	671	rt_now = ev_time ();
608	mn_now = get_clock ();	672	mn_now = get_clock ();
609	now_floor = mn_now;	673	now_floor = mn_now;
610	diff = rt_now - mn_now;	674	rtmn_diff = rt_now - mn_now;
611
612	if (pipe (sigpipe))
613	return 0;
614		675
615	if (methods == EVMETHOD_AUTO)	676	if (methods == EVMETHOD_AUTO)
616	if (!enable_secure () && getenv ("LIBmethodS"))	677	if (!enable_secure () && getenv ("LIBEV_METHODS"))
617	methods = atoi (getenv ("LIBmethodS"));	678	methods = atoi (getenv ("LIBEV_METHODS"));
618	else	679	else
619	methods = EVMETHOD_ANY;	680	methods = EVMETHOD_ANY;
620		681
621	method = 0;	682	method = 0;
		683	#if EV_USE_WIN32
		684	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);
		685	#endif
622	#if EV_USE_KQUEUE	686	#if EV_USE_KQUEUE
623	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	687	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);
624	#endif	688	#endif
625	#if EV_USE_EPOLL	689	#if EV_USE_EPOLL
626	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	690	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);
627	#endif	691	#endif
628	#if EV_USEV_POLL	692	#if EV_USE_POLL
629	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	693	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);
630	#endif	694	#endif
631	#if EV_USE_SELECT	695	#if EV_USE_SELECT
632	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	696	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);
633	#endif	697	#endif
		698	}
		699	}
634		700
		701	void
		702	loop_destroy (EV_P)
		703	{
		704	int i;
		705
		706	#if EV_USE_WIN32
		707	if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);
		708	#endif
		709	#if EV_USE_KQUEUE
		710	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
		711	#endif
		712	#if EV_USE_EPOLL
		713	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);
		714	#endif
		715	#if EV_USE_POLL
		716	if (method == EVMETHOD_POLL ) poll_destroy (EV_A);
		717	#endif
		718	#if EV_USE_SELECT
		719	if (method == EVMETHOD_SELECT) select_destroy (EV_A);
		720	#endif
		721
		722	for (i = NUMPRI; i--; )
		723	array_free (pending, [i]);
		724
		725	array_free (fdchange, );
		726	array_free (timer, );
		727	array_free (periodic, );
		728	array_free (idle, );
		729	array_free (prepare, );
		730	array_free (check, );
		731
		732	method = 0;
		733	/TODO/
		734	}
		735
		736	void
		737	loop_fork (EV_P)
		738	{
		739	/TODO/
		740	#if EV_USE_EPOLL
		741	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
		742	#endif
		743	#if EV_USE_KQUEUE
		744	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
		745	#endif
		746	}
		747
		748	#if EV_MULTIPLICITY
		749	struct ev_loop *
		750	ev_loop_new (int methods)
		751	{
		752	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
		753
		754	memset (loop, 0, sizeof (struct ev_loop));
		755
		756	loop_init (EV_A_ methods);
		757
		758	if (ev_method (EV_A))
		759	return loop;
		760
		761	return 0;
		762	}
		763
		764	void
		765	ev_loop_destroy (EV_P)
		766	{
		767	loop_destroy (EV_A);
		768	ev_free (loop);
		769	}
		770
		771	void
		772	ev_loop_fork (EV_P)
		773	{
		774	loop_fork (EV_A);
		775	}
		776
		777	#endif
		778
		779	#if EV_MULTIPLICITY
		780	struct ev_loop default_loop_struct;
		781	static struct ev_loop *default_loop;
		782
		783	struct ev_loop *
		784	#else
		785	static int default_loop;
		786
		787	int
		788	#endif
		789	ev_default_loop (int methods)
		790	{
		791	if (sigpipe [0] == sigpipe [1])
		792	if (pipe (sigpipe))
		793	return 0;
		794
		795	if (!default_loop)
		796	{
		797	#if EV_MULTIPLICITY
		798	struct ev_loop *loop = default_loop = &default_loop_struct;
		799	#else
		800	default_loop = 1;
		801	#endif
		802
		803	loop_init (EV_A_ methods);
		804
635	if (method)	805	if (ev_method (EV_A))
636	{	806	{
637	ev_watcher_init (&sigev, sigcb);	807	ev_watcher_init (&sigev, sigcb);
638	ev_set_priority (&sigev, EV_MAXPRI);	808	ev_set_priority (&sigev, EV_MAXPRI);
639	siginit (EV_A);	809	siginit (EV_A);
640		810
…		…
643	ev_set_priority (&childev, EV_MAXPRI);	813	ev_set_priority (&childev, EV_MAXPRI);
644	ev_signal_start (EV_A_ &childev);	814	ev_signal_start (EV_A_ &childev);
645	ev_unref (EV_A); /* child watcher should not keep loop alive */	815	ev_unref (EV_A); /* child watcher should not keep loop alive */
646	#endif	816	#endif
647	}	817	}
		818	else
		819	default_loop = 0;
648	}	820	}
649		821
650	return method;	822	return default_loop;
651	}	823	}
652		824
653	/*****************************************************************************/
654
655	void	825	void
656	ev_fork_prepare (void)	826	ev_default_destroy (void)
657	{	827	{
658	/* nop */	828	#if EV_MULTIPLICITY
659	}	829	struct ev_loop *loop = default_loop;
660
661	void
662	ev_fork_parent (void)
663	{
664	/* nop */
665	}
666
667	void
668	ev_fork_child (void)
669	{
670	#if EV_USE_EPOLL
671	if (method == EVMETHOD_EPOLL)
672	epoll_postfork_child ();
673	#endif	830	#endif
674		831
		832	ev_ref (EV_A); /* child watcher */
		833	ev_signal_stop (EV_A_ &childev);
		834
		835	ev_ref (EV_A); /* signal watcher */
675	ev_io_stop (&sigev);	836	ev_io_stop (EV_A_ &sigev);
		837
		838	close (sigpipe [0]); sigpipe [0] = 0;
		839	close (sigpipe [1]); sigpipe [1] = 0;
		840
		841	loop_destroy (EV_A);
		842	}
		843
		844	void
		845	ev_default_fork (void)
		846	{
		847	#if EV_MULTIPLICITY
		848	struct ev_loop *loop = default_loop;
		849	#endif
		850
		851	loop_fork (EV_A);
		852
		853	ev_io_stop (EV_A_ &sigev);
676	close (sigpipe [0]);	854	close (sigpipe [0]);
677	close (sigpipe [1]);	855	close (sigpipe [1]);
678	pipe (sigpipe);	856	pipe (sigpipe);
		857
		858	ev_ref (EV_A); /* signal watcher */
679	siginit ();	859	siginit (EV_A);
680	}	860	}
681		861
682	/*****************************************************************************/	862	/*****************************************************************************/
683		863
684	static void	864	static void
…		…
700	}	880	}
701		881
702	static void	882	static void
703	timers_reify (EV_P)	883	timers_reify (EV_P)
704	{	884	{
705	while (timercnt && timers [0]->at <= mn_now)	885	while (timercnt && ((WT)timers [0])->at <= mn_now)
706	{	886	{
707	struct ev_timer *w = timers [0];	887	struct ev_timer *w = timers [0];
		888
		889	assert (("inactive timer on timer heap detected", ev_is_active (w)));
708		890
709	/* first reschedule or stop timer */	891	/* first reschedule or stop timer */
710	if (w->repeat)	892	if (w->repeat)
711	{	893	{
712	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	894	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
713	w->at = mn_now + w->repeat;	895	((WT)w)->at = mn_now + w->repeat;
714	downheap ((WT *)timers, timercnt, 0);	896	downheap ((WT *)timers, timercnt, 0);
715	}	897	}
716	else	898	else
717	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	899	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
718		900
719	event ((W)w, EV_TIMEOUT);	901	event (EV_A_ (W)w, EV_TIMEOUT);
720	}	902	}
721	}	903	}
722		904
723	static void	905	static void
724	periodics_reify (EV_P)	906	periodics_reify (EV_P)
725	{	907	{
726	while (periodiccnt && periodics [0]->at <= rt_now)	908	while (periodiccnt && ((WT)periodics [0])->at <= rt_now)
727	{	909	{
728	struct ev_periodic *w = periodics [0];	910	struct ev_periodic *w = periodics [0];
		911
		912	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
729		913
730	/* first reschedule or stop timer */	914	/* first reschedule or stop timer */
731	if (w->interval)	915	if (w->interval)
732	{	916	{
733	w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval;	917	((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
734	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now));	918	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now));
735	downheap ((WT *)periodics, periodiccnt, 0);	919	downheap ((WT *)periodics, periodiccnt, 0);
736	}	920	}
737	else	921	else
738	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	922	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
739		923
740	event (EV_A_ (W)w, EV_PERIODIC);	924	event (EV_A_ (W)w, EV_PERIODIC);
741	}	925	}
742	}	926	}
743		927
744	static void	928	static void
745	periodics_reschedule (EV_P_ ev_tstamp diff)	929	periodics_reschedule (EV_P)
746	{	930	{
747	int i;	931	int i;
748		932
749	/* adjust periodics after time jump */	933	/* adjust periodics after time jump */
750	for (i = 0; i < periodiccnt; ++i)	934	for (i = 0; i < periodiccnt; ++i)
751	{	935	{
752	struct ev_periodic *w = periodics [i];	936	struct ev_periodic *w = periodics [i];
753		937
754	if (w->interval)	938	if (w->interval)
755	{	939	{
756	ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval;	940	ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
757		941
758	if (fabs (diff) >= 1e-4)	942	if (fabs (diff) >= 1e-4)
759	{	943	{
760	ev_periodic_stop (EV_A_ w);	944	ev_periodic_stop (EV_A_ w);
761	ev_periodic_start (EV_A_ w);	945	ev_periodic_start (EV_A_ w);
…		…
771	{	955	{
772	mn_now = get_clock ();	956	mn_now = get_clock ();
773		957
774	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	958	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
775	{	959	{
776	rt_now = mn_now + diff;	960	rt_now = rtmn_diff + mn_now;
777	return 0;	961	return 0;
778	}	962	}
779	else	963	else
780	{	964	{
781	now_floor = mn_now;	965	now_floor = mn_now;
…		…
792	#if EV_USE_MONOTONIC	976	#if EV_USE_MONOTONIC
793	if (expect_true (have_monotonic))	977	if (expect_true (have_monotonic))
794	{	978	{
795	if (time_update_monotonic (EV_A))	979	if (time_update_monotonic (EV_A))
796	{	980	{
797	ev_tstamp odiff = diff;	981	ev_tstamp odiff = rtmn_diff;
798		982
799	for (i = 4; --i; ) /* loop a few times, before making important decisions */	983	for (i = 4; --i; ) /* loop a few times, before making important decisions */
800	{	984	{
801	diff = rt_now - mn_now;	985	rtmn_diff = rt_now - mn_now;
802		986
803	if (fabs (odiff - diff) < MIN_TIMEJUMP)	987	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
804	return; /* all is well */	988	return; /* all is well */
805		989
806	rt_now = ev_time ();	990	rt_now = ev_time ();
807	mn_now = get_clock ();	991	mn_now = get_clock ();
808	now_floor = mn_now;	992	now_floor = mn_now;
809	}	993	}
810		994
811	periodics_reschedule (EV_A_ diff - odiff);	995	periodics_reschedule (EV_A);
812	/* no timer adjustment, as the monotonic clock doesn't jump */	996	/* no timer adjustment, as the monotonic clock doesn't jump */
		997	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
813	}	998	}
814	}	999	}
815	else	1000	else
816	#endif	1001	#endif
817	{	1002	{
818	rt_now = ev_time ();	1003	rt_now = ev_time ();
819		1004
820	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1005	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
821	{	1006	{
822	periodics_reschedule (EV_A_ rt_now - mn_now);	1007	periodics_reschedule (EV_A);
823		1008
824	/* adjust timers. this is easy, as the offset is the same for all */	1009	/* adjust timers. this is easy, as the offset is the same for all */
825	for (i = 0; i < timercnt; ++i)	1010	for (i = 0; i < timercnt; ++i)
826	timers [i]->at += diff;	1011	((WT)timers [i])->at += rt_now - mn_now;
827	}	1012	}
828		1013
829	mn_now = rt_now;	1014	mn_now = rt_now;
830	}	1015	}
831	}	1016	}
…		…
882	{	1067	{
883	block = MAX_BLOCKTIME;	1068	block = MAX_BLOCKTIME;
884		1069
885	if (timercnt)	1070	if (timercnt)
886	{	1071	{
887	ev_tstamp to = timers [0]->at - mn_now + method_fudge;	1072	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
888	if (block > to) block = to;	1073	if (block > to) block = to;
889	}	1074	}
890		1075
891	if (periodiccnt)	1076	if (periodiccnt)
892	{	1077	{
893	ev_tstamp to = periodics [0]->at - rt_now + method_fudge;	1078	ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;
894	if (block > to) block = to;	1079	if (block > to) block = to;
895	}	1080	}
896		1081
897	if (block < 0.) block = 0.;	1082	if (block < 0.) block = 0.;
898	}	1083	}
…		…
1015	ev_timer_start (EV_P_ struct ev_timer *w)	1200	ev_timer_start (EV_P_ struct ev_timer *w)
1016	{	1201	{
1017	if (ev_is_active (w))	1202	if (ev_is_active (w))
1018	return;	1203	return;
1019		1204
1020	w->at += mn_now;	1205	((WT)w)->at += mn_now;
1021		1206
1022	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1207	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1023		1208
1024	ev_start (EV_A_ (W)w, ++timercnt);	1209	ev_start (EV_A_ (W)w, ++timercnt);
1025	array_needsize (timers, timermax, timercnt, );	1210	array_needsize (timers, timermax, timercnt, );
1026	timers [timercnt - 1] = w;	1211	timers [timercnt - 1] = w;
1027	upheap ((WT *)timers, timercnt - 1);	1212	upheap ((WT *)timers, timercnt - 1);
		1213
		1214	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1028	}	1215	}
1029		1216
1030	void	1217	void
1031	ev_timer_stop (EV_P_ struct ev_timer *w)	1218	ev_timer_stop (EV_P_ struct ev_timer *w)
1032	{	1219	{
1033	ev_clear_pending (EV_A_ (W)w);	1220	ev_clear_pending (EV_A_ (W)w);
1034	if (!ev_is_active (w))	1221	if (!ev_is_active (w))
1035	return;	1222	return;
1036		1223
		1224	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1225
1037	if (w->active < timercnt--)	1226	if (((W)w)->active < timercnt--)
1038	{	1227	{
1039	timers [w->active - 1] = timers [timercnt];	1228	timers [((W)w)->active - 1] = timers [timercnt];
1040	downheap ((WT *)timers, timercnt, w->active - 1);	1229	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1041	}	1230	}
1042		1231
1043	w->at = w->repeat;	1232	((WT)w)->at = w->repeat;
1044		1233
1045	ev_stop (EV_A_ (W)w);	1234	ev_stop (EV_A_ (W)w);
1046	}	1235	}
1047		1236
1048	void	1237	void
…		…
1050	{	1239	{
1051	if (ev_is_active (w))	1240	if (ev_is_active (w))
1052	{	1241	{
1053	if (w->repeat)	1242	if (w->repeat)
1054	{	1243	{
1055	w->at = mn_now + w->repeat;	1244	((WT)w)->at = mn_now + w->repeat;
1056	downheap ((WT *)timers, timercnt, w->active - 1);	1245	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1057	}	1246	}
1058	else	1247	else
1059	ev_timer_stop (EV_A_ w);	1248	ev_timer_stop (EV_A_ w);
1060	}	1249	}
1061	else if (w->repeat)	1250	else if (w->repeat)
…		…
1070		1259
1071	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1260	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1072		1261
1073	/* this formula differs from the one in periodic_reify because we do not always round up */	1262	/* this formula differs from the one in periodic_reify because we do not always round up */
1074	if (w->interval)	1263	if (w->interval)
1075	w->at += ceil ((rt_now - w->at) / w->interval) * w->interval;	1264	((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
1076		1265
1077	ev_start (EV_A_ (W)w, ++periodiccnt);	1266	ev_start (EV_A_ (W)w, ++periodiccnt);
1078	array_needsize (periodics, periodicmax, periodiccnt, );	1267	array_needsize (periodics, periodicmax, periodiccnt, );
1079	periodics [periodiccnt - 1] = w;	1268	periodics [periodiccnt - 1] = w;
1080	upheap ((WT *)periodics, periodiccnt - 1);	1269	upheap ((WT *)periodics, periodiccnt - 1);
		1270
		1271	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1081	}	1272	}
1082		1273
1083	void	1274	void
1084	ev_periodic_stop (EV_P_ struct ev_periodic *w)	1275	ev_periodic_stop (EV_P_ struct ev_periodic *w)
1085	{	1276	{
1086	ev_clear_pending (EV_A_ (W)w);	1277	ev_clear_pending (EV_A_ (W)w);
1087	if (!ev_is_active (w))	1278	if (!ev_is_active (w))
1088	return;	1279	return;
1089		1280
		1281	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1282
1090	if (w->active < periodiccnt--)	1283	if (((W)w)->active < periodiccnt--)
1091	{	1284	{
1092	periodics [w->active - 1] = periodics [periodiccnt];	1285	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1093	downheap ((WT *)periodics, periodiccnt, w->active - 1);	1286	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1094	}	1287	}
1095		1288
		1289	ev_stop (EV_A_ (W)w);
		1290	}
		1291
		1292	void
		1293	ev_idle_start (EV_P_ struct ev_idle *w)
		1294	{
		1295	if (ev_is_active (w))
		1296	return;
		1297
		1298	ev_start (EV_A_ (W)w, ++idlecnt);
		1299	array_needsize (idles, idlemax, idlecnt, );
		1300	idles [idlecnt - 1] = w;
		1301	}
		1302
		1303	void
		1304	ev_idle_stop (EV_P_ struct ev_idle *w)
		1305	{
		1306	ev_clear_pending (EV_A_ (W)w);
		1307	if (ev_is_active (w))
		1308	return;
		1309
		1310	idles [((W)w)->active - 1] = idles [--idlecnt];
		1311	ev_stop (EV_A_ (W)w);
		1312	}
		1313
		1314	void
		1315	ev_prepare_start (EV_P_ struct ev_prepare *w)
		1316	{
		1317	if (ev_is_active (w))
		1318	return;
		1319
		1320	ev_start (EV_A_ (W)w, ++preparecnt);
		1321	array_needsize (prepares, preparemax, preparecnt, );
		1322	prepares [preparecnt - 1] = w;
		1323	}
		1324
		1325	void
		1326	ev_prepare_stop (EV_P_ struct ev_prepare *w)
		1327	{
		1328	ev_clear_pending (EV_A_ (W)w);
		1329	if (ev_is_active (w))
		1330	return;
		1331
		1332	prepares [((W)w)->active - 1] = prepares [--preparecnt];
		1333	ev_stop (EV_A_ (W)w);
		1334	}
		1335
		1336	void
		1337	ev_check_start (EV_P_ struct ev_check *w)
		1338	{
		1339	if (ev_is_active (w))
		1340	return;
		1341
		1342	ev_start (EV_A_ (W)w, ++checkcnt);
		1343	array_needsize (checks, checkmax, checkcnt, );
		1344	checks [checkcnt - 1] = w;
		1345	}
		1346
		1347	void
		1348	ev_check_stop (EV_P_ struct ev_check *w)
		1349	{
		1350	ev_clear_pending (EV_A_ (W)w);
		1351	if (ev_is_active (w))
		1352	return;
		1353
		1354	checks [((W)w)->active - 1] = checks [--checkcnt];
1096	ev_stop (EV_A_ (W)w);	1355	ev_stop (EV_A_ (W)w);
1097	}	1356	}
1098		1357
1099	#ifndef SA_RESTART	1358	#ifndef SA_RESTART
1100	# define SA_RESTART 0	1359	# define SA_RESTART 0
1101	#endif	1360	#endif
1102		1361
1103	void	1362	void
1104	ev_signal_start (EV_P_ struct ev_signal *w)	1363	ev_signal_start (EV_P_ struct ev_signal *w)
1105	{	1364	{
		1365	#if EV_MULTIPLICITY
		1366	assert (("signal watchers are only supported in the default loop", loop == default_loop));
		1367	#endif
1106	if (ev_is_active (w))	1368	if (ev_is_active (w))
1107	return;	1369	return;
1108		1370
1109	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1371	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1110		1372
1111	ev_start (EV_A_ (W)w, 1);	1373	ev_start (EV_A_ (W)w, 1);
1112	array_needsize (signals, signalmax, w->signum, signals_init);	1374	array_needsize (signals, signalmax, w->signum, signals_init);
1113	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1375	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1114		1376
1115	if (!w->next)	1377	if (!((WL)w)->next)
1116	{	1378	{
		1379	#if WIN32
		1380	signal (w->signum, sighandler);
		1381	#else
1117	struct sigaction sa;	1382	struct sigaction sa;
1118	sa.sa_handler = sighandler;	1383	sa.sa_handler = sighandler;
1119	sigfillset (&sa.sa_mask);	1384	sigfillset (&sa.sa_mask);
1120	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	1385	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1121	sigaction (w->signum, &sa, 0);	1386	sigaction (w->signum, &sa, 0);
		1387	#endif
1122	}	1388	}
1123	}	1389	}
1124		1390
1125	void	1391	void
1126	ev_signal_stop (EV_P_ struct ev_signal *w)	1392	ev_signal_stop (EV_P_ struct ev_signal *w)
…		…
1135	if (!signals [w->signum - 1].head)	1401	if (!signals [w->signum - 1].head)
1136	signal (w->signum, SIG_DFL);	1402	signal (w->signum, SIG_DFL);
1137	}	1403	}
1138		1404
1139	void	1405	void
1140	ev_idle_start (EV_P_ struct ev_idle *w)
1141	{
1142	if (ev_is_active (w))
1143	return;
1144
1145	ev_start (EV_A_ (W)w, ++idlecnt);
1146	array_needsize (idles, idlemax, idlecnt, );
1147	idles [idlecnt - 1] = w;
1148	}
1149
1150	void
1151	ev_idle_stop (EV_P_ struct ev_idle *w)
1152	{
1153	ev_clear_pending (EV_A_ (W)w);
1154	if (ev_is_active (w))
1155	return;
1156
1157	idles [w->active - 1] = idles [--idlecnt];
1158	ev_stop (EV_A_ (W)w);
1159	}
1160
1161	void
1162	ev_prepare_start (EV_P_ struct ev_prepare *w)
1163	{
1164	if (ev_is_active (w))
1165	return;
1166
1167	ev_start (EV_A_ (W)w, ++preparecnt);
1168	array_needsize (prepares, preparemax, preparecnt, );
1169	prepares [preparecnt - 1] = w;
1170	}
1171
1172	void
1173	ev_prepare_stop (EV_P_ struct ev_prepare *w)
1174	{
1175	ev_clear_pending (EV_A_ (W)w);
1176	if (ev_is_active (w))
1177	return;
1178
1179	prepares [w->active - 1] = prepares [--preparecnt];
1180	ev_stop (EV_A_ (W)w);
1181	}
1182
1183	void
1184	ev_check_start (EV_P_ struct ev_check *w)
1185	{
1186	if (ev_is_active (w))
1187	return;
1188
1189	ev_start (EV_A_ (W)w, ++checkcnt);
1190	array_needsize (checks, checkmax, checkcnt, );
1191	checks [checkcnt - 1] = w;
1192	}
1193
1194	void
1195	ev_check_stop (EV_P_ struct ev_check *w)
1196	{
1197	ev_clear_pending (EV_A_ (W)w);
1198	if (ev_is_active (w))
1199	return;
1200
1201	checks [w->active - 1] = checks [--checkcnt];
1202	ev_stop (EV_A_ (W)w);
1203	}
1204
1205	void
1206	ev_child_start (EV_P_ struct ev_child *w)	1406	ev_child_start (EV_P_ struct ev_child *w)
1207	{	1407	{
		1408	#if EV_MULTIPLICITY
		1409	assert (("child watchers are only supported in the default loop", loop == default_loop));
		1410	#endif
1208	if (ev_is_active (w))	1411	if (ev_is_active (w))
1209	return;	1412	return;
1210		1413
1211	ev_start (EV_A_ (W)w, 1);	1414	ev_start (EV_A_ (W)w, 1);
1212	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1415	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
…		…
1239	void (cb)(int revents, void arg) = once->cb;	1442	void (cb)(int revents, void arg) = once->cb;
1240	void *arg = once->arg;	1443	void *arg = once->arg;
1241		1444
1242	ev_io_stop (EV_A_ &once->io);	1445	ev_io_stop (EV_A_ &once->io);
1243	ev_timer_stop (EV_A_ &once->to);	1446	ev_timer_stop (EV_A_ &once->to);
1244	free (once);	1447	ev_free (once);
1245		1448
1246	cb (revents, arg);	1449	cb (revents, arg);
1247	}	1450	}
1248		1451
1249	static void	1452	static void
…		…
1259	}	1462	}
1260		1463
1261	void	1464	void
1262	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1465	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1263	{	1466	{
1264	struct ev_once *once = malloc (sizeof (struct ev_once));	1467	struct ev_once *once = ev_malloc (sizeof (struct ev_once));
1265		1468
1266	if (!once)	1469	if (!once)
1267	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1470	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1268	else	1471	else
1269	{	1472	{
…		…
1284	ev_timer_start (EV_A_ &once->to);	1487	ev_timer_start (EV_A_ &once->to);
1285	}	1488	}
1286	}	1489	}
1287	}	1490	}
1288		1491
1289	/*****************************************************************************/
1290
1291	#if 0
1292
1293	struct ev_io wio;
1294
1295	static void
1296	sin_cb (struct ev_io *w, int revents)
1297	{
1298	fprintf (stderr, "sin %d, revents %d\n", w->fd, revents);
1299	}
1300
1301	static void
1302	ocb (struct ev_timer *w, int revents)
1303	{
1304	//fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data);
1305	ev_timer_stop (w);
1306	ev_timer_start (w);
1307	}
1308
1309	static void
1310	scb (struct ev_signal *w, int revents)
1311	{
1312	fprintf (stderr, "signal %x,%d\n", revents, w->signum);
1313	ev_io_stop (&wio);
1314	ev_io_start (&wio);
1315	}
1316
1317	static void
1318	gcb (struct ev_signal *w, int revents)
1319	{
1320	fprintf (stderr, "generic %x\n", revents);
1321
1322	}
1323
1324	int main (void)
1325	{
1326	ev_init (0);
1327
1328	ev_io_init (&wio, sin_cb, 0, EV_READ);
1329	ev_io_start (&wio);
1330
1331	struct ev_timer t[10000];
1332
1333	#if 0
1334	int i;
1335	for (i = 0; i < 10000; ++i)
1336	{
1337	struct ev_timer *w = t + i;
1338	ev_watcher_init (w, ocb, i);
1339	ev_timer_init_abs (w, ocb, drand48 (), 0.99775533);
1340	ev_timer_start (w);
1341	if (drand48 () < 0.5)
1342	ev_timer_stop (w);
1343	}
1344	#endif
1345
1346	struct ev_timer t1;
1347	ev_timer_init (&t1, ocb, 5, 10);
1348	ev_timer_start (&t1);
1349
1350	struct ev_signal sig;
1351	ev_signal_init (&sig, scb, SIGQUIT);
1352	ev_signal_start (&sig);
1353
1354	struct ev_check cw;
1355	ev_check_init (&cw, gcb);
1356	ev_check_start (&cw);
1357
1358	struct ev_idle iw;
1359	ev_idle_init (&iw, gcb);
1360	ev_idle_start (&iw);
1361
1362	ev_loop (0);
1363
1364	return 0;
1365	}
1366
1367	#endif
1368
1369
1370
1371

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Comparing libev/ev.c (file contents): Revision 1.52 by root, Sat Nov 3 22:10:39 2007 UTC vs. Revision 1.69 by root, Tue Nov 6 00:10:04 2007 UTC

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Comparing libev/ev.c (file contents):
Revision 1.52 by root, Sat Nov 3 22:10:39 2007 UTC vs.
Revision 1.69 by root, Tue Nov 6 00:10:04 2007 UTC