[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 1.70 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
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)(const char msg);
143	static int epoll_fd = -1;
144		159
145	static struct epoll_event *events;	160	void ev_set_syserr_cb (void (cb)(const char msg))
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 (const char *msg)
151	static struct kevent *kqueue_changes;	167	{
152	static int kqueue_changemax, kqueue_changecnt;	168	if (!msg)
153	static struct kevent *kqueue_events;	169	msg = "(libev) system error";
154	static int kqueue_eventmax;	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
		206	typedef struct
		207	{
		208	WL head;
		209	unsigned char events;
		210	unsigned char reify;
		211	} ANFD;
		212
		213	typedef struct
		214	{
		215	W w;
		216	int events;
		217	} ANPENDING;
		218
		219	#if EV_MULTIPLICITY
		220
		221	struct ev_loop
		222	{
		223	# define VAR(name,decl) decl;
		224	# include "ev_vars.h"
		225	};
		226	# undef VAR
		227	# include "ev_wrap.h"
		228
		229	#else
		230
		231	# define VAR(name,decl) static decl;
		232	# include "ev_vars.h"
		233	# undef VAR
		234
155	#endif	235	#endif
156		236
157	/*****************************************************************************/	237	/*****************************************************************************/
158		238
159	inline ev_tstamp	239	inline ev_tstamp
…		…
191	return rt_now;	271	return rt_now;
192	}	272	}
193		273
194	#define array_roundsize(base,n) ((n) \| 4 & ~3)	274	#define array_roundsize(base,n) ((n) \| 4 & ~3)
195		275
196	#define array_needsize(base,cur,cnt,init) \	276	#define array_needsize(base,cur,cnt,init) \
197	if (expect_false ((cnt) > cur)) \	277	if (expect_false ((cnt) > cur)) \
198	{ \	278	{ \
199	int newcnt = cur; \	279	int newcnt = cur; \
200	do \	280	do \
201	{ \	281	{ \
202	newcnt = array_roundsize (base, newcnt << 1); \	282	newcnt = array_roundsize (base, newcnt << 1); \
203	} \	283	} \
204	while ((cnt) > newcnt); \	284	while ((cnt) > newcnt); \
205	\	285	\
206	base = realloc (base, sizeof (base) (newcnt)); \	286	base = ev_realloc (base, sizeof (base) (newcnt)); \
207	init (base + cur, newcnt - cur); \	287	init (base + cur, newcnt - cur); \
208	cur = newcnt; \	288	cur = newcnt; \
209	}	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;
210		301
211	/*****************************************************************************/	302	/*****************************************************************************/
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		303
223	static void	304	static void
224	anfds_init (ANFD *base, int count)	305	anfds_init (ANFD *base, int count)
225	{	306	{
226	while (count--)	307	while (count--)
…		…
230	base->reify = 0;	311	base->reify = 0;
231		312
232	++base;	313	++base;
233	}	314	}
234	}	315	}
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		316
245	static void	317	static void
246	event (EV_P_ W w, int events)	318	event (EV_P_ W w, int events)
247	{	319	{
248	if (w->pending)	320	if (w->pending)
…		…
281	}	353	}
282	}	354	}
283		355
284	/*****************************************************************************/	356	/*****************************************************************************/
285		357
286	static int *fdchanges;
287	static int fdchangemax, fdchangecnt;
288
289	static void	358	static void
290	fd_reify (EV_P)	359	fd_reify (EV_P)
291	{	360	{
292	int i;	361	int i;
293		362
…		…
302	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)
303	events \|= w->events;	372	events \|= w->events;
304		373
305	anfd->reify = 0;	374	anfd->reify = 0;
306		375
307	if (anfd->events != events)
308	{
309	method_modify (EV_A_ fd, anfd->events, events);	376	method_modify (EV_A_ fd, anfd->events, events);
310	anfd->events = events;	377	anfd->events = events;
311	}
312	}	378	}
313		379
314	fdchangecnt = 0;	380	fdchangecnt = 0;
315	}	381	}
316		382
317	static void	383	static void
318	fd_change (EV_P_ int fd)	384	fd_change (EV_P_ int fd)
319	{	385	{
320	if (anfds [fd].reify \|\| fdchangecnt < 0)	386	if (anfds [fd].reify)
321	return;	387	return;
322		388
323	anfds [fd].reify = 1;	389	anfds [fd].reify = 1;
324		390
325	++fdchangecnt;	391	++fdchangecnt;
…		…
353		419
354	/* 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 */
355	static void	421	static void
356	fd_enomem (EV_P)	422	fd_enomem (EV_P)
357	{	423	{
358	int fd = anfdmax;	424	int fd;
359		425
360	while (fd--)	426	for (fd = anfdmax; fd--; )
361	if (anfds [fd].events)	427	if (anfds [fd].events)
362	{	428	{
363	close (fd);
364	fd_kill (EV_A_ fd);	429	fd_kill (EV_A_ fd);
365	return;	430	return;
366	}	431	}
367	}	432	}
368		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
369	/*****************************************************************************/	449	/*****************************************************************************/
370		450
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	451	static void
378	upheap (WT *timers, int k)	452	upheap (WT *heap, int k)
379	{	453	{
380	WT w = timers [k];	454	WT w = heap [k];
381		455
382	while (k && timers [k >> 1]->at > w->at)	456	while (k && heap [k >> 1]->at > w->at)
383	{	457	{
384	timers [k] = timers [k >> 1];	458	heap [k] = heap [k >> 1];
385	timers [k]->active = k + 1;	459	((W)heap [k])->active = k + 1;
386	k >>= 1;	460	k >>= 1;
387	}	461	}
388		462
389	timers [k] = w;	463	heap [k] = w;
390	timers [k]->active = k + 1;	464	((W)heap [k])->active = k + 1;
391		465
392	}	466	}
393		467
394	static void	468	static void
395	downheap (WT *timers, int N, int k)	469	downheap (WT *heap, int N, int k)
396	{	470	{
397	WT w = timers [k];	471	WT w = heap [k];
398		472
399	while (k < (N >> 1))	473	while (k < (N >> 1))
400	{	474	{
401	int j = k << 1;	475	int j = k << 1;
402		476
403	if (j + 1 < N && timers [j]->at > timers [j + 1]->at)	477	if (j + 1 < N && heap [j]->at > heap [j + 1]->at)
404	++j;	478	++j;
405		479
406	if (w->at <= timers [j]->at)	480	if (w->at <= heap [j]->at)
407	break;	481	break;
408		482
409	timers [k] = timers [j];	483	heap [k] = heap [j];
410	timers [k]->active = k + 1;	484	((W)heap [k])->active = k + 1;
411	k = j;	485	k = j;
412	}	486	}
413		487
414	timers [k] = w;	488	heap [k] = w;
415	timers [k]->active = k + 1;	489	((W)heap [k])->active = k + 1;
416	}	490	}
417		491
418	/*****************************************************************************/	492	/*****************************************************************************/
419		493
420	typedef struct	494	typedef struct
421	{	495	{
422	struct ev_watcher_list *head;	496	WL head;
423	sig_atomic_t volatile gotsig;	497	sig_atomic_t volatile gotsig;
424	} ANSIG;	498	} ANSIG;
425		499
426	static ANSIG *signals;	500	static ANSIG *signals;
427	static int signalmax;	501	static int signalmax;
…		…
443	}	517	}
444		518
445	static void	519	static void
446	sighandler (int signum)	520	sighandler (int signum)
447	{	521	{
		522	#if WIN32
		523	signal (signum, sighandler);
		524	#endif
		525
448	signals [signum - 1].gotsig = 1;	526	signals [signum - 1].gotsig = 1;
449		527
450	if (!gotsig)	528	if (!gotsig)
451	{	529	{
452	int old_errno = errno;	530	int old_errno = errno;
…		…
457	}	535	}
458		536
459	static void	537	static void
460	sigcb (EV_P_ struct ev_io *iow, int revents)	538	sigcb (EV_P_ struct ev_io *iow, int revents)
461	{	539	{
462	struct ev_watcher_list *w;	540	WL w;
463	int signum;	541	int signum;
464		542
465	read (sigpipe [0], &revents, 1);	543	read (sigpipe [0], &revents, 1);
466	gotsig = 0;	544	gotsig = 0;
467		545
…		…
486	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);	564	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
487	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);	565	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
488	#endif	566	#endif
489		567
490	ev_io_set (&sigev, sigpipe [0], EV_READ);	568	ev_io_set (&sigev, sigpipe [0], EV_READ);
491	ev_io_start (&sigev);	569	ev_io_start (EV_A_ &sigev);
492	ev_unref (EV_A); /* child watcher should not keep loop alive */	570	ev_unref (EV_A); /* child watcher should not keep loop alive */
493	}	571	}
494		572
495	/*****************************************************************************/	573	/*****************************************************************************/
496		574
497	static struct ev_idle **idles;	575	#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		576
508	static struct ev_child *childs [PID_HASHSIZE];	577	static struct ev_child *childs [PID_HASHSIZE];
509	static struct ev_signal childev;	578	static struct ev_signal childev;
510
511	#ifndef WIN32
512		579
513	#ifndef WCONTINUED	580	#ifndef WCONTINUED
514	# define WCONTINUED 0	581	# define WCONTINUED 0
515	#endif	582	#endif
516		583
…		…
520	struct ev_child *w;	587	struct ev_child *w;
521		588
522	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)
523	if (w->pid == pid \|\| !w->pid)	590	if (w->pid == pid \|\| !w->pid)
524	{	591	{
525	w->priority = sw->priority; /* need to do it now */	592	ev_priority (w) = ev_priority (sw); /* need to do it now */
526	w->rpid = pid;	593	w->rpid = pid;
527	w->rstatus = status;	594	w->rstatus = status;
528	event (EV_A_ (W)w, EV_CHILD);	595	event (EV_A_ (W)w, EV_CHILD);
529	}	596	}
530	}	597	}
531		598
532	static void	599	static void
…		…
552	# include "ev_kqueue.c"	619	# include "ev_kqueue.c"
553	#endif	620	#endif
554	#if EV_USE_EPOLL	621	#if EV_USE_EPOLL
555	# include "ev_epoll.c"	622	# include "ev_epoll.c"
556	#endif	623	#endif
557	#if EV_USEV_POLL	624	#if EV_USE_POLL
558	# include "ev_poll.c"	625	# include "ev_poll.c"
559	#endif	626	#endif
560	#if EV_USE_SELECT	627	#if EV_USE_SELECT
561	# include "ev_select.c"	628	# include "ev_select.c"
562	#endif	629	#endif
…		…
589	ev_method (EV_P)	656	ev_method (EV_P)
590	{	657	{
591	return method;	658	return method;
592	}	659	}
593		660
594	int	661	static void
595	ev_init (EV_P_ int methods)	662	loop_init (EV_P_ int methods)
596	{	663	{
597	if (!method)	664	if (!method)
598	{	665	{
599	#if EV_USE_MONOTONIC	666	#if EV_USE_MONOTONIC
600	{	667	{
…		…
605	#endif	672	#endif
606		673
607	rt_now = ev_time ();	674	rt_now = ev_time ();
608	mn_now = get_clock ();	675	mn_now = get_clock ();
609	now_floor = mn_now;	676	now_floor = mn_now;
610	diff = rt_now - mn_now;	677	rtmn_diff = rt_now - mn_now;
611
612	if (pipe (sigpipe))
613	return 0;
614		678
615	if (methods == EVMETHOD_AUTO)	679	if (methods == EVMETHOD_AUTO)
616	if (!enable_secure () && getenv ("LIBmethodS"))	680	if (!enable_secure () && getenv ("LIBEV_METHODS"))
617	methods = atoi (getenv ("LIBmethodS"));	681	methods = atoi (getenv ("LIBEV_METHODS"));
618	else	682	else
619	methods = EVMETHOD_ANY;	683	methods = EVMETHOD_ANY;
620		684
621	method = 0;	685	method = 0;
		686	#if EV_USE_WIN32
		687	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);
		688	#endif
622	#if EV_USE_KQUEUE	689	#if EV_USE_KQUEUE
623	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	690	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);
624	#endif	691	#endif
625	#if EV_USE_EPOLL	692	#if EV_USE_EPOLL
626	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	693	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);
627	#endif	694	#endif
628	#if EV_USEV_POLL	695	#if EV_USE_POLL
629	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	696	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);
630	#endif	697	#endif
631	#if EV_USE_SELECT	698	#if EV_USE_SELECT
632	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	699	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);
633	#endif	700	#endif
634		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
635	if (method)	826	if (ev_method (EV_A))
636	{	827	{
637	ev_watcher_init (&sigev, sigcb);
638	ev_set_priority (&sigev, EV_MAXPRI);
639	siginit (EV_A);	828	siginit (EV_A);
640		829
641	#ifndef WIN32	830	#ifndef WIN32
642	ev_signal_init (&childev, childcb, SIGCHLD);	831	ev_signal_init (&childev, childcb, SIGCHLD);
643	ev_set_priority (&childev, EV_MAXPRI);	832	ev_set_priority (&childev, EV_MAXPRI);
644	ev_signal_start (EV_A_ &childev);	833	ev_signal_start (EV_A_ &childev);
645	ev_unref (EV_A); /* child watcher should not keep loop alive */	834	ev_unref (EV_A); /* child watcher should not keep loop alive */
646	#endif	835	#endif
647	}	836	}
		837	else
		838	default_loop = 0;
648	}	839	}
649		840
650	return method;	841	return default_loop;
651	}	842	}
652		843
653	/*****************************************************************************/
654
655	void	844	void
656	ev_fork_prepare (void)	845	ev_default_destroy (void)
657	{	846	{
658	/* nop */	847	#if EV_MULTIPLICITY
659	}	848	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	849	#endif
674		850
		851	ev_ref (EV_A); /* child watcher */
		852	ev_signal_stop (EV_A_ &childev);
		853
		854	ev_ref (EV_A); /* signal watcher */
675	ev_io_stop (&sigev);	855	ev_io_stop (EV_A_ &sigev);
676	close (sigpipe [0]);	856
677	close (sigpipe [1]);	857	close (sigpipe [0]); sigpipe [0] = 0;
678	pipe (sigpipe);	858	close (sigpipe [1]); sigpipe [1] = 0;
679	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;
680	}	872	}
681		873
682	/*****************************************************************************/	874	/*****************************************************************************/
683		875
684	static void	876	static void
…		…
700	}	892	}
701		893
702	static void	894	static void
703	timers_reify (EV_P)	895	timers_reify (EV_P)
704	{	896	{
705	while (timercnt && timers [0]->at <= mn_now)	897	while (timercnt && ((WT)timers [0])->at <= mn_now)
706	{	898	{
707	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)));
708		902
709	/* first reschedule or stop timer */	903	/* first reschedule or stop timer */
710	if (w->repeat)	904	if (w->repeat)
711	{	905	{
712	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.));
713	w->at = mn_now + w->repeat;	907	((WT)w)->at = mn_now + w->repeat;
714	downheap ((WT *)timers, timercnt, 0);	908	downheap ((WT *)timers, timercnt, 0);
715	}	909	}
716	else	910	else
717	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	911	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
718		912
719	event ((W)w, EV_TIMEOUT);	913	event (EV_A_ (W)w, EV_TIMEOUT);
720	}	914	}
721	}	915	}
722		916
723	static void	917	static void
724	periodics_reify (EV_P)	918	periodics_reify (EV_P)
725	{	919	{
726	while (periodiccnt && periodics [0]->at <= rt_now)	920	while (periodiccnt && ((WT)periodics [0])->at <= rt_now)
727	{	921	{
728	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)));
729		925
730	/* first reschedule or stop timer */	926	/* first reschedule or stop timer */
731	if (w->interval)	927	if (w->interval)
732	{	928	{
733	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;
734	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));
735	downheap ((WT *)periodics, periodiccnt, 0);	931	downheap ((WT *)periodics, periodiccnt, 0);
736	}	932	}
737	else	933	else
738	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	934	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
739		935
740	event (EV_A_ (W)w, EV_PERIODIC);	936	event (EV_A_ (W)w, EV_PERIODIC);
741	}	937	}
742	}	938	}
743		939
744	static void	940	static void
745	periodics_reschedule (EV_P_ ev_tstamp diff)	941	periodics_reschedule (EV_P)
746	{	942	{
747	int i;	943	int i;
748		944
749	/* adjust periodics after time jump */	945	/* adjust periodics after time jump */
750	for (i = 0; i < periodiccnt; ++i)	946	for (i = 0; i < periodiccnt; ++i)
751	{	947	{
752	struct ev_periodic *w = periodics [i];	948	struct ev_periodic *w = periodics [i];
753		949
754	if (w->interval)	950	if (w->interval)
755	{	951	{
756	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;
757		953
758	if (fabs (diff) >= 1e-4)	954	if (fabs (diff) >= 1e-4)
759	{	955	{
760	ev_periodic_stop (EV_A_ w);	956	ev_periodic_stop (EV_A_ w);
761	ev_periodic_start (EV_A_ w);	957	ev_periodic_start (EV_A_ w);
…		…
771	{	967	{
772	mn_now = get_clock ();	968	mn_now = get_clock ();
773		969
774	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	970	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
775	{	971	{
776	rt_now = mn_now + diff;	972	rt_now = rtmn_diff + mn_now;
777	return 0;	973	return 0;
778	}	974	}
779	else	975	else
780	{	976	{
781	now_floor = mn_now;	977	now_floor = mn_now;
…		…
792	#if EV_USE_MONOTONIC	988	#if EV_USE_MONOTONIC
793	if (expect_true (have_monotonic))	989	if (expect_true (have_monotonic))
794	{	990	{
795	if (time_update_monotonic (EV_A))	991	if (time_update_monotonic (EV_A))
796	{	992	{
797	ev_tstamp odiff = diff;	993	ev_tstamp odiff = rtmn_diff;
798		994
799	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 */
800	{	996	{
801	diff = rt_now - mn_now;	997	rtmn_diff = rt_now - mn_now;
802		998
803	if (fabs (odiff - diff) < MIN_TIMEJUMP)	999	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
804	return; /* all is well */	1000	return; /* all is well */
805		1001
806	rt_now = ev_time ();	1002	rt_now = ev_time ();
807	mn_now = get_clock ();	1003	mn_now = get_clock ();
808	now_floor = mn_now;	1004	now_floor = mn_now;
809	}	1005	}
810		1006
811	periodics_reschedule (EV_A_ diff - odiff);	1007	periodics_reschedule (EV_A);
812	/* 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) */
813	}	1010	}
814	}	1011	}
815	else	1012	else
816	#endif	1013	#endif
817	{	1014	{
818	rt_now = ev_time ();	1015	rt_now = ev_time ();
819		1016
820	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))
821	{	1018	{
822	periodics_reschedule (EV_A_ rt_now - mn_now);	1019	periodics_reschedule (EV_A);
823		1020
824	/* 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 */
825	for (i = 0; i < timercnt; ++i)	1022	for (i = 0; i < timercnt; ++i)
826	timers [i]->at += diff;	1023	((WT)timers [i])->at += rt_now - mn_now;
827	}	1024	}
828		1025
829	mn_now = rt_now;	1026	mn_now = rt_now;
830	}	1027	}
831	}	1028	}
…		…
857	{	1054	{
858	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1055	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
859	call_pending (EV_A);	1056	call_pending (EV_A);
860	}	1057	}
861		1058
		1059	/* we might have forked, so reify kernel state if necessary */
		1060	if (expect_false (postfork))
		1061	loop_fork (EV_A);
		1062
862	/* update fd-related kernel structures */	1063	/* update fd-related kernel structures */
863	fd_reify (EV_A);	1064	fd_reify (EV_A);
864		1065
865	/* calculate blocking time */	1066	/* calculate blocking time */
866		1067
…		…
882	{	1083	{
883	block = MAX_BLOCKTIME;	1084	block = MAX_BLOCKTIME;
884		1085
885	if (timercnt)	1086	if (timercnt)
886	{	1087	{
887	ev_tstamp to = timers [0]->at - mn_now + method_fudge;	1088	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
888	if (block > to) block = to;	1089	if (block > to) block = to;
889	}	1090	}
890		1091
891	if (periodiccnt)	1092	if (periodiccnt)
892	{	1093	{
893	ev_tstamp to = periodics [0]->at - rt_now + method_fudge;	1094	ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;
894	if (block > to) block = to;	1095	if (block > to) block = to;
895	}	1096	}
896		1097
897	if (block < 0.) block = 0.;	1098	if (block < 0.) block = 0.;
898	}	1099	}
…		…
1015	ev_timer_start (EV_P_ struct ev_timer *w)	1216	ev_timer_start (EV_P_ struct ev_timer *w)
1016	{	1217	{
1017	if (ev_is_active (w))	1218	if (ev_is_active (w))
1018	return;	1219	return;
1019		1220
1020	w->at += mn_now;	1221	((WT)w)->at += mn_now;
1021		1222
1022	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.));
1023		1224
1024	ev_start (EV_A_ (W)w, ++timercnt);	1225	ev_start (EV_A_ (W)w, ++timercnt);
1025	array_needsize (timers, timermax, timercnt, );	1226	array_needsize (timers, timermax, timercnt, );
1026	timers [timercnt - 1] = w;	1227	timers [timercnt - 1] = w;
1027	upheap ((WT *)timers, timercnt - 1);	1228	upheap ((WT *)timers, timercnt - 1);
		1229
		1230	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1028	}	1231	}
1029		1232
1030	void	1233	void
1031	ev_timer_stop (EV_P_ struct ev_timer *w)	1234	ev_timer_stop (EV_P_ struct ev_timer *w)
1032	{	1235	{
1033	ev_clear_pending (EV_A_ (W)w);	1236	ev_clear_pending (EV_A_ (W)w);
1034	if (!ev_is_active (w))	1237	if (!ev_is_active (w))
1035	return;	1238	return;
1036		1239
		1240	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1241
1037	if (w->active < timercnt--)	1242	if (((W)w)->active < timercnt--)
1038	{	1243	{
1039	timers [w->active - 1] = timers [timercnt];	1244	timers [((W)w)->active - 1] = timers [timercnt];
1040	downheap ((WT *)timers, timercnt, w->active - 1);	1245	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1041	}	1246	}
1042		1247
1043	w->at = w->repeat;	1248	((WT)w)->at = w->repeat;
1044		1249
1045	ev_stop (EV_A_ (W)w);	1250	ev_stop (EV_A_ (W)w);
1046	}	1251	}
1047		1252
1048	void	1253	void
…		…
1050	{	1255	{
1051	if (ev_is_active (w))	1256	if (ev_is_active (w))
1052	{	1257	{
1053	if (w->repeat)	1258	if (w->repeat)
1054	{	1259	{
1055	w->at = mn_now + w->repeat;	1260	((WT)w)->at = mn_now + w->repeat;
1056	downheap ((WT *)timers, timercnt, w->active - 1);	1261	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1057	}	1262	}
1058	else	1263	else
1059	ev_timer_stop (EV_A_ w);	1264	ev_timer_stop (EV_A_ w);
1060	}	1265	}
1061	else if (w->repeat)	1266	else if (w->repeat)
…		…
1070		1275
1071	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.));
1072		1277
1073	/* 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 */
1074	if (w->interval)	1279	if (w->interval)
1075	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;
1076		1281
1077	ev_start (EV_A_ (W)w, ++periodiccnt);	1282	ev_start (EV_A_ (W)w, ++periodiccnt);
1078	array_needsize (periodics, periodicmax, periodiccnt, );	1283	array_needsize (periodics, periodicmax, periodiccnt, );
1079	periodics [periodiccnt - 1] = w;	1284	periodics [periodiccnt - 1] = w;
1080	upheap ((WT *)periodics, periodiccnt - 1);	1285	upheap ((WT *)periodics, periodiccnt - 1);
		1286
		1287	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1081	}	1288	}
1082		1289
1083	void	1290	void
1084	ev_periodic_stop (EV_P_ struct ev_periodic *w)	1291	ev_periodic_stop (EV_P_ struct ev_periodic *w)
1085	{	1292	{
1086	ev_clear_pending (EV_A_ (W)w);	1293	ev_clear_pending (EV_A_ (W)w);
1087	if (!ev_is_active (w))	1294	if (!ev_is_active (w))
1088	return;	1295	return;
1089		1296
		1297	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1298
1090	if (w->active < periodiccnt--)	1299	if (((W)w)->active < periodiccnt--)
1091	{	1300	{
1092	periodics [w->active - 1] = periodics [periodiccnt];	1301	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1093	downheap ((WT *)periodics, periodiccnt, w->active - 1);	1302	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1094	}	1303	}
1095		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];
1096	ev_stop (EV_A_ (W)w);	1371	ev_stop (EV_A_ (W)w);
1097	}	1372	}
1098		1373
1099	#ifndef SA_RESTART	1374	#ifndef SA_RESTART
1100	# define SA_RESTART 0	1375	# define SA_RESTART 0
1101	#endif	1376	#endif
1102		1377
1103	void	1378	void
1104	ev_signal_start (EV_P_ struct ev_signal *w)	1379	ev_signal_start (EV_P_ struct ev_signal *w)
1105	{	1380	{
		1381	#if EV_MULTIPLICITY
		1382	assert (("signal watchers are only supported in the default loop", loop == default_loop));
		1383	#endif
1106	if (ev_is_active (w))	1384	if (ev_is_active (w))
1107	return;	1385	return;
1108		1386
1109	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));
1110		1388
1111	ev_start (EV_A_ (W)w, 1);	1389	ev_start (EV_A_ (W)w, 1);
1112	array_needsize (signals, signalmax, w->signum, signals_init);	1390	array_needsize (signals, signalmax, w->signum, signals_init);
1113	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1391	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1114		1392
1115	if (!w->next)	1393	if (!((WL)w)->next)
1116	{	1394	{
		1395	#if WIN32
		1396	signal (w->signum, sighandler);
		1397	#else
1117	struct sigaction sa;	1398	struct sigaction sa;
1118	sa.sa_handler = sighandler;	1399	sa.sa_handler = sighandler;
1119	sigfillset (&sa.sa_mask);	1400	sigfillset (&sa.sa_mask);
1120	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 */
1121	sigaction (w->signum, &sa, 0);	1402	sigaction (w->signum, &sa, 0);
		1403	#endif
1122	}	1404	}
1123	}	1405	}
1124		1406
1125	void	1407	void
1126	ev_signal_stop (EV_P_ struct ev_signal *w)	1408	ev_signal_stop (EV_P_ struct ev_signal *w)
…		…
1135	if (!signals [w->signum - 1].head)	1417	if (!signals [w->signum - 1].head)
1136	signal (w->signum, SIG_DFL);	1418	signal (w->signum, SIG_DFL);
1137	}	1419	}
1138		1420
1139	void	1421	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)	1422	ev_child_start (EV_P_ struct ev_child *w)
1207	{	1423	{
		1424	#if EV_MULTIPLICITY
		1425	assert (("child watchers are only supported in the default loop", loop == default_loop));
		1426	#endif
1208	if (ev_is_active (w))	1427	if (ev_is_active (w))
1209	return;	1428	return;
1210		1429
1211	ev_start (EV_A_ (W)w, 1);	1430	ev_start (EV_A_ (W)w, 1);
1212	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1431	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
…		…
1239	void (cb)(int revents, void arg) = once->cb;	1458	void (cb)(int revents, void arg) = once->cb;
1240	void *arg = once->arg;	1459	void *arg = once->arg;
1241		1460
1242	ev_io_stop (EV_A_ &once->io);	1461	ev_io_stop (EV_A_ &once->io);
1243	ev_timer_stop (EV_A_ &once->to);	1462	ev_timer_stop (EV_A_ &once->to);
1244	free (once);	1463	ev_free (once);
1245		1464
1246	cb (revents, arg);	1465	cb (revents, arg);
1247	}	1466	}
1248		1467
1249	static void	1468	static void
…		…
1259	}	1478	}
1260		1479
1261	void	1480	void
1262	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)
1263	{	1482	{
1264	struct ev_once *once = malloc (sizeof (struct ev_once));	1483	struct ev_once *once = ev_malloc (sizeof (struct ev_once));
1265		1484
1266	if (!once)	1485	if (!once)
1267	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1486	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1268	else	1487	else
1269	{	1488	{
…		…
1284	ev_timer_start (EV_A_ &once->to);	1503	ev_timer_start (EV_A_ &once->to);
1285	}	1504	}
1286	}	1505	}
1287	}	1506	}
1288		1507
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 1.70 by root, Tue Nov 6 00:52:32 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 1.70 by root, Tue Nov 6 00:52:32 2007 UTC