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

Comparing libev/ev.c (file contents):
Revision 1.46 by root, Sat Nov 3 09:20:12 2007 UTC vs.
Revision 1.51 by root, Sat Nov 3 21:58:51 2007 UTC

…		…
26	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	26	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	27	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE	28	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	29	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30	*/	30	*/
31	#if EV_USE_CONFIG_H	31	#ifndef EV_STANDALONE
32	# include "config.h"	32	# include "config.h"
33	#endif	33	#endif
34		34
35	#include <math.h>	35	#include <math.h>
36	#include <stdlib.h>	36	#include <stdlib.h>
…		…
58		58
59	#ifndef EV_USE_SELECT	59	#ifndef EV_USE_SELECT
60	# define EV_USE_SELECT 1	60	# define EV_USE_SELECT 1
61	#endif	61	#endif
62		62
63	#ifndef EV_USE_POLL	63	#ifndef EV_USEV_POLL
64	# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */	64	# define EV_USEV_POLL 0 /* poll is usually slower than select, and not as well tested */
65	#endif	65	#endif
66		66
67	#ifndef EV_USE_EPOLL	67	#ifndef EV_USE_EPOLL
68	# define EV_USE_EPOLL 0	68	# define EV_USE_EPOLL 0
69	#endif	69	#endif
…		…
113		113
114	typedef struct ev_watcher *W;	114	typedef struct ev_watcher *W;
115	typedef struct ev_watcher_list *WL;	115	typedef struct ev_watcher_list *WL;
116	typedef struct ev_watcher_time *WT;	116	typedef struct ev_watcher_time *WT;
117		117
118	static ev_tstamp now_floor, now, diff; /* monotonic clock */	118	static ev_tstamp now_floor, mn_now, diff; /* monotonic clock */
119	ev_tstamp ev_now;	119	static ev_tstamp rt_now;
120	int ev_method;	120	static int method;
121		121
122	static int have_monotonic; /* runtime */	122	static int have_monotonic; /* runtime */
123		123
124	static ev_tstamp method_fudge; /* stupid epoll-returns-early bug */	124	static ev_tstamp method_fudge; /* stupid epoll-returns-early bug */
125	static void (*method_modify)(int fd, int oev, int nev);	125	static void (*method_modify)(EV_P_ int fd, int oev, int nev);
126	static void (*method_poll)(ev_tstamp timeout);	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
		134
		135	#if EV_USEV_POLL
		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
		142	#if EV_USE_EPOLL
		143	static int epoll_fd = -1;
		144
		145	static struct epoll_event *events;
		146	static int eventmax;
		147	#endif
		148
		149	#if EV_USE_KQUEUE
		150	static int kqueue_fd;
		151	static struct kevent *kqueue_changes;
		152	static int kqueue_changemax, kqueue_changecnt;
		153	static struct kevent *kqueue_events;
		154	static int kqueue_eventmax;
		155	#endif
127		156
128	/*****************************************************************************/	157	/*****************************************************************************/
129		158
130	ev_tstamp	159	inline ev_tstamp
131	ev_time (void)	160	ev_time (void)
132	{	161	{
133	#if EV_USE_REALTIME	162	#if EV_USE_REALTIME
134	struct timespec ts;	163	struct timespec ts;
135	clock_gettime (CLOCK_REALTIME, &ts);	164	clock_gettime (CLOCK_REALTIME, &ts);
…		…
139	gettimeofday (&tv, 0);	168	gettimeofday (&tv, 0);
140	return tv.tv_sec + tv.tv_usec * 1e-6;	169	return tv.tv_sec + tv.tv_usec * 1e-6;
141	#endif	170	#endif
142	}	171	}
143		172
144	static ev_tstamp	173	inline ev_tstamp
145	get_clock (void)	174	get_clock (void)
146	{	175	{
147	#if EV_USE_MONOTONIC	176	#if EV_USE_MONOTONIC
148	if (expect_true (have_monotonic))	177	if (expect_true (have_monotonic))
149	{	178	{
…		…
152	return ts.tv_sec + ts.tv_nsec * 1e-9;	181	return ts.tv_sec + ts.tv_nsec * 1e-9;
153	}	182	}
154	#endif	183	#endif
155		184
156	return ev_time ();	185	return ev_time ();
		186	}
		187
		188	ev_tstamp
		189	ev_now (EV_P)
		190	{
		191	return rt_now;
157	}	192	}
158		193
159	#define array_roundsize(base,n) ((n) \| 4 & ~3)	194	#define array_roundsize(base,n) ((n) \| 4 & ~3)
160		195
161	#define array_needsize(base,cur,cnt,init) \	196	#define array_needsize(base,cur,cnt,init) \
…		…
175		210
176	/*****************************************************************************/	211	/*****************************************************************************/
177		212
178	typedef struct	213	typedef struct
179	{	214	{
180	struct ev_io *head;	215	struct ev_watcher_list *head;
181	unsigned char events;	216	unsigned char events;
182	unsigned char reify;	217	unsigned char reify;
183	} ANFD;	218	} ANFD;
184		219
185	static ANFD *anfds;	220	static ANFD *anfds;
…		…
206		241
207	static ANPENDING *pendings [NUMPRI];	242	static ANPENDING *pendings [NUMPRI];
208	static int pendingmax [NUMPRI], pendingcnt [NUMPRI];	243	static int pendingmax [NUMPRI], pendingcnt [NUMPRI];
209		244
210	static void	245	static void
211	event (W w, int events)	246	event (EV_P_ W w, int events)
212	{	247	{
213	if (w->pending)	248	if (w->pending)
214	{	249	{
215	pendings [ABSPRI (w)][w->pending - 1].events \|= events;	250	pendings [ABSPRI (w)][w->pending - 1].events \|= events;
216	return;	251	return;
…		…
221	pendings [ABSPRI (w)][w->pending - 1].w = w;	256	pendings [ABSPRI (w)][w->pending - 1].w = w;
222	pendings [ABSPRI (w)][w->pending - 1].events = events;	257	pendings [ABSPRI (w)][w->pending - 1].events = events;
223	}	258	}
224		259
225	static void	260	static void
226	queue_events (W *events, int eventcnt, int type)	261	queue_events (EV_P_ W *events, int eventcnt, int type)
227	{	262	{
228	int i;	263	int i;
229		264
230	for (i = 0; i < eventcnt; ++i)	265	for (i = 0; i < eventcnt; ++i)
231	event (events [i], type);	266	event (EV_A_ events [i], type);
232	}	267	}
233		268
234	static void	269	static void
235	fd_event (int fd, int events)	270	fd_event (EV_P_ int fd, int events)
236	{	271	{
237	ANFD *anfd = anfds + fd;	272	ANFD *anfd = anfds + fd;
238	struct ev_io *w;	273	struct ev_io *w;
239		274
240	for (w = anfd->head; w; w = w->next)	275	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
241	{	276	{
242	int ev = w->events & events;	277	int ev = w->events & events;
243		278
244	if (ev)	279	if (ev)
245	event ((W)w, ev);	280	event (EV_A_ (W)w, ev);
246	}	281	}
247	}	282	}
248		283
249	/*****************************************************************************/	284	/*****************************************************************************/
250		285
251	static int *fdchanges;	286	static int *fdchanges;
252	static int fdchangemax, fdchangecnt;	287	static int fdchangemax, fdchangecnt;
253		288
254	static void	289	static void
255	fd_reify (void)	290	fd_reify (EV_P)
256	{	291	{
257	int i;	292	int i;
258		293
259	for (i = 0; i < fdchangecnt; ++i)	294	for (i = 0; i < fdchangecnt; ++i)
260	{	295	{
…		…
262	ANFD *anfd = anfds + fd;	297	ANFD *anfd = anfds + fd;
263	struct ev_io *w;	298	struct ev_io *w;
264		299
265	int events = 0;	300	int events = 0;
266		301
267	for (w = anfd->head; w; w = w->next)	302	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
268	events \|= w->events;	303	events \|= w->events;
269		304
270	anfd->reify = 0;	305	anfd->reify = 0;
271		306
272	if (anfd->events != events)	307	if (anfd->events != events)
273	{	308	{
274	method_modify (fd, anfd->events, events);	309	method_modify (EV_A_ fd, anfd->events, events);
275	anfd->events = events;	310	anfd->events = events;
276	}	311	}
277	}	312	}
278		313
279	fdchangecnt = 0;	314	fdchangecnt = 0;
280	}	315	}
281		316
282	static void	317	static void
283	fd_change (int fd)	318	fd_change (EV_P_ int fd)
284	{	319	{
285	if (anfds [fd].reify \|\| fdchangecnt < 0)	320	if (anfds [fd].reify \|\| fdchangecnt < 0)
286	return;	321	return;
287		322
288	anfds [fd].reify = 1;	323	anfds [fd].reify = 1;
…		…
291	array_needsize (fdchanges, fdchangemax, fdchangecnt, );	326	array_needsize (fdchanges, fdchangemax, fdchangecnt, );
292	fdchanges [fdchangecnt - 1] = fd;	327	fdchanges [fdchangecnt - 1] = fd;
293	}	328	}
294		329
295	static void	330	static void
296	fd_kill (int fd)	331	fd_kill (EV_P_ int fd)
297	{	332	{
298	struct ev_io *w;	333	struct ev_io *w;
299		334
300	printf ("killing fd %d\n", fd);//D
301	while ((w = anfds [fd].head))	335	while ((w = (struct ev_io *)anfds [fd].head))
302	{	336	{
303	ev_io_stop (w);	337	ev_io_stop (EV_A_ w);
304	event ((W)w, EV_ERROR \| EV_READ \| EV_WRITE);	338	event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
305	}	339	}
306	}	340	}
307		341
308	/* called on EBADF to verify fds */	342	/* called on EBADF to verify fds */
309	static void	343	static void
310	fd_ebadf (void)	344	fd_ebadf (EV_P)
311	{	345	{
312	int fd;	346	int fd;
313		347
314	for (fd = 0; fd < anfdmax; ++fd)	348	for (fd = 0; fd < anfdmax; ++fd)
315	if (anfds [fd].events)	349	if (anfds [fd].events)
316	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)	350	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)
317	fd_kill (fd);	351	fd_kill (EV_A_ fd);
318	}	352	}
319		353
320	/* called on ENOMEM in select/poll to kill some fds and retry */	354	/* called on ENOMEM in select/poll to kill some fds and retry */
321	static void	355	static void
322	fd_enomem (void)	356	fd_enomem (EV_P)
323	{	357	{
324	int fd = anfdmax;	358	int fd = anfdmax;
325		359
326	while (fd--)	360	while (fd--)
327	if (anfds [fd].events)	361	if (anfds [fd].events)
328	{	362	{
329	close (fd);	363	close (fd);
330	fd_kill (fd);	364	fd_kill (EV_A_ fd);
331	return;	365	return;
332	}	366	}
333	}	367	}
334		368
335	/*****************************************************************************/	369	/*****************************************************************************/
…		…
383		417
384	/*****************************************************************************/	418	/*****************************************************************************/
385		419
386	typedef struct	420	typedef struct
387	{	421	{
388	struct ev_signal *head;	422	struct ev_watcher_list *head;
389	sig_atomic_t volatile gotsig;	423	sig_atomic_t volatile gotsig;
390	} ANSIG;	424	} ANSIG;
391		425
392	static ANSIG *signals;	426	static ANSIG *signals;
393	static int signalmax;	427	static int signalmax;
…		…
413	{	447	{
414	signals [signum - 1].gotsig = 1;	448	signals [signum - 1].gotsig = 1;
415		449
416	if (!gotsig)	450	if (!gotsig)
417	{	451	{
		452	int old_errno = errno;
418	gotsig = 1;	453	gotsig = 1;
419	write (sigpipe [1], &signum, 1);	454	write (sigpipe [1], &signum, 1);
		455	errno = old_errno;
420	}	456	}
421	}	457	}
422		458
423	static void	459	static void
424	sigcb (struct ev_io *iow, int revents)	460	sigcb (EV_P_ struct ev_io *iow, int revents)
425	{	461	{
426	struct ev_signal *w;	462	struct ev_watcher_list *w;
427	int signum;	463	int signum;
428		464
429	read (sigpipe [0], &revents, 1);	465	read (sigpipe [0], &revents, 1);
430	gotsig = 0;	466	gotsig = 0;
431		467
…		…
433	if (signals [signum].gotsig)	469	if (signals [signum].gotsig)
434	{	470	{
435	signals [signum].gotsig = 0;	471	signals [signum].gotsig = 0;
436		472
437	for (w = signals [signum].head; w; w = w->next)	473	for (w = signals [signum].head; w; w = w->next)
438	event ((W)w, EV_SIGNAL);	474	event (EV_A_ (W)w, EV_SIGNAL);
439	}	475	}
440	}	476	}
441		477
442	static void	478	static void
443	siginit (void)	479	siginit (EV_P)
444	{	480	{
445	#ifndef WIN32	481	#ifndef WIN32
446	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	482	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);
447	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);	483	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
448		484
…		…
476	#ifndef WCONTINUED	512	#ifndef WCONTINUED
477	# define WCONTINUED 0	513	# define WCONTINUED 0
478	#endif	514	#endif
479		515
480	static void	516	static void
481	childcb (struct ev_signal *sw, int revents)	517	child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status)
482	{	518	{
483	struct ev_child *w;	519	struct ev_child *w;
		520
		521	for (w = (struct ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child )((WL)w)->next)
		522	if (w->pid == pid \|\| !w->pid)
		523	{
		524	w->priority = sw->priority; /* need to do it now */
		525	w->rpid = pid;
		526	w->rstatus = status;
		527	event (EV_A_ (W)w, EV_CHILD);
		528	}
		529	}
		530
		531	static void
		532	childcb (EV_P_ struct ev_signal *sw, int revents)
		533	{
484	int pid, status;	534	int pid, status;
485		535
486	while ((pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)) != -1)	536	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
487	for (w = childs [pid & (PID_HASHSIZE - 1)]; w; w = w->next)	537	{
488	if (w->pid == pid \|\| !w->pid)	538	/* make sure we are called again until all childs have been reaped */
489	{	539	event (EV_A_ (W)sw, EV_SIGNAL);
490	w->rpid = pid;	540
491	w->rstatus = status;	541	child_reap (EV_A_ sw, pid, pid, status);
492	event ((W)w, EV_CHILD);	542	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
493	}	543	}
494	}	544	}
495		545
496	#endif	546	#endif
497		547
498	/*****************************************************************************/	548	/*****************************************************************************/
…		…
501	# include "ev_kqueue.c"	551	# include "ev_kqueue.c"
502	#endif	552	#endif
503	#if EV_USE_EPOLL	553	#if EV_USE_EPOLL
504	# include "ev_epoll.c"	554	# include "ev_epoll.c"
505	#endif	555	#endif
506	#if EV_USE_POLL	556	#if EV_USEV_POLL
507	# include "ev_poll.c"	557	# include "ev_poll.c"
508	#endif	558	#endif
509	#if EV_USE_SELECT	559	#if EV_USE_SELECT
510	# include "ev_select.c"	560	# include "ev_select.c"
511	#endif	561	#endif
…		…
520	ev_version_minor (void)	570	ev_version_minor (void)
521	{	571	{
522	return EV_VERSION_MINOR;	572	return EV_VERSION_MINOR;
523	}	573	}
524		574
525	/* return true if we are running with elevated privileges and ignore env variables */	575	/* return true if we are running with elevated privileges and should ignore env variables */
526	static int	576	static int
527	enable_secure ()	577	enable_secure (void)
528	{	578	{
		579	#ifdef WIN32
		580	return 0;
		581	#else
529	return getuid () != geteuid ()	582	return getuid () != geteuid ()
530	\|\| getgid () != getegid ();	583	\|\| getgid () != getegid ();
		584	#endif
531	}	585	}
532		586
		587	int
		588	ev_method (EV_P)
		589	{
		590	return method;
		591	}
		592
		593	int
533	int ev_init (int methods)	594	ev_init (EV_P_ int methods)
534	{	595	{
535	if (!ev_method)	596	if (!method)
536	{	597	{
537	#if EV_USE_MONOTONIC	598	#if EV_USE_MONOTONIC
538	{	599	{
539	struct timespec ts;	600	struct timespec ts;
540	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	601	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
541	have_monotonic = 1;	602	have_monotonic = 1;
542	}	603	}
543	#endif	604	#endif
544		605
545	ev_now = ev_time ();	606	rt_now = ev_time ();
546	now = get_clock ();	607	mn_now = get_clock ();
547	now_floor = now;	608	now_floor = mn_now;
548	diff = ev_now - now;	609	diff = rt_now - mn_now;
549		610
550	if (pipe (sigpipe))	611	if (pipe (sigpipe))
551	return 0;	612	return 0;
552		613
553	if (methods == EVMETHOD_AUTO)	614	if (methods == EVMETHOD_AUTO)
554	if (!enable_secure () && getenv ("LIBEV_METHODS"))	615	if (!enable_secure () && getenv ("LIBmethodS"))
555	methods = atoi (getenv ("LIBEV_METHODS"));	616	methods = atoi (getenv ("LIBmethodS"));
556	else	617	else
557	methods = EVMETHOD_ANY;	618	methods = EVMETHOD_ANY;
558		619
559	ev_method = 0;	620	method = 0;
560	#if EV_USE_KQUEUE	621	#if EV_USE_KQUEUE
561	if (!ev_method && (methods & EVMETHOD_KQUEUE)) kqueue_init (methods);	622	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);
562	#endif	623	#endif
563	#if EV_USE_EPOLL	624	#if EV_USE_EPOLL
564	if (!ev_method && (methods & EVMETHOD_EPOLL )) epoll_init (methods);	625	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);
565	#endif	626	#endif
566	#if EV_USE_POLL	627	#if EV_USEV_POLL
567	if (!ev_method && (methods & EVMETHOD_POLL )) poll_init (methods);	628	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);
568	#endif	629	#endif
569	#if EV_USE_SELECT	630	#if EV_USE_SELECT
570	if (!ev_method && (methods & EVMETHOD_SELECT)) select_init (methods);	631	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);
571	#endif	632	#endif
572		633
573	if (ev_method)	634	if (method)
574	{	635	{
575	ev_watcher_init (&sigev, sigcb);	636	ev_watcher_init (&sigev, sigcb);
		637	ev_set_priority (&sigev, EV_MAXPRI);
576	siginit ();	638	siginit (EV_A);
577		639
578	#ifndef WIN32	640	#ifndef WIN32
579	ev_signal_init (&childev, childcb, SIGCHLD);	641	ev_signal_init (&childev, childcb, SIGCHLD);
		642	ev_set_priority (&childev, EV_MAXPRI);
580	ev_signal_start (&childev);	643	ev_signal_start (EV_A_ &childev);
581	#endif	644	#endif
582	}	645	}
583	}	646	}
584		647
585	return ev_method;	648	return method;
586	}	649	}
587		650
588	/*****************************************************************************/	651	/*****************************************************************************/
589		652
590	void	653	void
…		…
601		664
602	void	665	void
603	ev_fork_child (void)	666	ev_fork_child (void)
604	{	667	{
605	#if EV_USE_EPOLL	668	#if EV_USE_EPOLL
606	if (ev_method == EVMETHOD_EPOLL)	669	if (method == EVMETHOD_EPOLL)
607	epoll_postfork_child ();	670	epoll_postfork_child ();
608	#endif	671	#endif
609		672
610	ev_io_stop (&sigev);	673	ev_io_stop (&sigev);
611	close (sigpipe [0]);	674	close (sigpipe [0]);
…		…
615	}	678	}
616		679
617	/*****************************************************************************/	680	/*****************************************************************************/
618		681
619	static void	682	static void
620	call_pending (void)	683	call_pending (EV_P)
621	{	684	{
622	int pri;	685	int pri;
623		686
624	for (pri = NUMPRI; pri--; )	687	for (pri = NUMPRI; pri--; )
625	while (pendingcnt [pri])	688	while (pendingcnt [pri])
…		…
627	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	690	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
628		691
629	if (p->w)	692	if (p->w)
630	{	693	{
631	p->w->pending = 0;	694	p->w->pending = 0;
632	p->w->cb (p->w, p->events);	695	p->w->cb (EV_A_ p->w, p->events);
633	}	696	}
634	}	697	}
635	}	698	}
636		699
637	static void	700	static void
638	timers_reify (void)	701	timers_reify (EV_P)
639	{	702	{
640	while (timercnt && timers [0]->at <= now)	703	while (timercnt && timers [0]->at <= mn_now)
641	{	704	{
642	struct ev_timer *w = timers [0];	705	struct ev_timer *w = timers [0];
643		706
644	/* first reschedule or stop timer */	707	/* first reschedule or stop timer */
645	if (w->repeat)	708	if (w->repeat)
646	{	709	{
647	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	710	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
648	w->at = now + w->repeat;	711	w->at = mn_now + w->repeat;
649	downheap ((WT *)timers, timercnt, 0);	712	downheap ((WT *)timers, timercnt, 0);
650	}	713	}
651	else	714	else
652	ev_timer_stop (w); /* nonrepeating: stop timer */	715	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
653		716
654	event ((W)w, EV_TIMEOUT);	717	event ((W)w, EV_TIMEOUT);
655	}	718	}
656	}	719	}
657		720
658	static void	721	static void
659	periodics_reify (void)	722	periodics_reify (EV_P)
660	{	723	{
661	while (periodiccnt && periodics [0]->at <= ev_now)	724	while (periodiccnt && periodics [0]->at <= rt_now)
662	{	725	{
663	struct ev_periodic *w = periodics [0];	726	struct ev_periodic *w = periodics [0];
664		727
665	/* first reschedule or stop timer */	728	/* first reschedule or stop timer */
666	if (w->interval)	729	if (w->interval)
667	{	730	{
668	w->at += floor ((ev_now - w->at) / w->interval + 1.) * w->interval;	731	w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval;
669	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > ev_now));	732	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now));
670	downheap ((WT *)periodics, periodiccnt, 0);	733	downheap ((WT *)periodics, periodiccnt, 0);
671	}	734	}
672	else	735	else
673	ev_periodic_stop (w); /* nonrepeating: stop timer */	736	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
674		737
675	event ((W)w, EV_PERIODIC);	738	event (EV_A_ (W)w, EV_PERIODIC);
676	}	739	}
677	}	740	}
678		741
679	static void	742	static void
680	periodics_reschedule (ev_tstamp diff)	743	periodics_reschedule (EV_P_ ev_tstamp diff)
681	{	744	{
682	int i;	745	int i;
683		746
684	/* adjust periodics after time jump */	747	/* adjust periodics after time jump */
685	for (i = 0; i < periodiccnt; ++i)	748	for (i = 0; i < periodiccnt; ++i)
686	{	749	{
687	struct ev_periodic *w = periodics [i];	750	struct ev_periodic *w = periodics [i];
688		751
689	if (w->interval)	752	if (w->interval)
690	{	753	{
691	ev_tstamp diff = ceil ((ev_now - w->at) / w->interval) * w->interval;	754	ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval;
692		755
693	if (fabs (diff) >= 1e-4)	756	if (fabs (diff) >= 1e-4)
694	{	757	{
695	ev_periodic_stop (w);	758	ev_periodic_stop (EV_A_ w);
696	ev_periodic_start (w);	759	ev_periodic_start (EV_A_ w);
697		760
698	i = 0; /* restart loop, inefficient, but time jumps should be rare */	761	i = 0; /* restart loop, inefficient, but time jumps should be rare */
699	}	762	}
700	}	763	}
701	}	764	}
702	}	765	}
703		766
704	static int	767	inline int
705	time_update_monotonic (void)	768	time_update_monotonic (EV_P)
706	{	769	{
707	now = get_clock ();	770	mn_now = get_clock ();
708		771
709	if (expect_true (now - now_floor < MIN_TIMEJUMP * .5))	772	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
710	{	773	{
711	ev_now = now + diff;	774	rt_now = mn_now + diff;
712	return 0;	775	return 0;
713	}	776	}
714	else	777	else
715	{	778	{
716	now_floor = now;	779	now_floor = mn_now;
717	ev_now = ev_time ();	780	rt_now = ev_time ();
718	return 1;	781	return 1;
719	}	782	}
720	}	783	}
721		784
722	static void	785	static void
723	time_update (void)	786	time_update (EV_P)
724	{	787	{
725	int i;	788	int i;
726		789
727	#if EV_USE_MONOTONIC	790	#if EV_USE_MONOTONIC
728	if (expect_true (have_monotonic))	791	if (expect_true (have_monotonic))
729	{	792	{
730	if (time_update_monotonic ())	793	if (time_update_monotonic (EV_A))
731	{	794	{
732	ev_tstamp odiff = diff;	795	ev_tstamp odiff = diff;
733		796
734	for (i = 4; --i; ) /* loop a few times, before making important decisions */	797	for (i = 4; --i; ) /* loop a few times, before making important decisions */
735	{	798	{
736	diff = ev_now - now;	799	diff = rt_now - mn_now;
737		800
738	if (fabs (odiff - diff) < MIN_TIMEJUMP)	801	if (fabs (odiff - diff) < MIN_TIMEJUMP)
739	return; /* all is well */	802	return; /* all is well */
740		803
741	ev_now = ev_time ();	804	rt_now = ev_time ();
742	now = get_clock ();	805	mn_now = get_clock ();
743	now_floor = now;	806	now_floor = mn_now;
744	}	807	}
745		808
746	periodics_reschedule (diff - odiff);	809	periodics_reschedule (EV_A_ diff - odiff);
747	/* no timer adjustment, as the monotonic clock doesn't jump */	810	/* no timer adjustment, as the monotonic clock doesn't jump */
748	}	811	}
749	}	812	}
750	else	813	else
751	#endif	814	#endif
752	{	815	{
753	ev_now = ev_time ();	816	rt_now = ev_time ();
754		817
755	if (expect_false (now > ev_now \|\| now < ev_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	818	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
756	{	819	{
757	periodics_reschedule (ev_now - now);	820	periodics_reschedule (EV_A_ rt_now - mn_now);
758		821
759	/* adjust timers. this is easy, as the offset is the same for all */	822	/* adjust timers. this is easy, as the offset is the same for all */
760	for (i = 0; i < timercnt; ++i)	823	for (i = 0; i < timercnt; ++i)
761	timers [i]->at += diff;	824	timers [i]->at += diff;
762	}	825	}
763		826
764	now = ev_now;	827	mn_now = rt_now;
765	}	828	}
766	}	829	}
767		830
768	int ev_loop_done;	831	void
		832	ev_ref (EV_P)
		833	{
		834	++activecnt;
		835	}
769		836
		837	void
		838	ev_unref (EV_P)
		839	{
		840	--activecnt;
		841	}
		842
		843	static int loop_done;
		844
		845	void
770	void ev_loop (int flags)	846	ev_loop (EV_P_ int flags)
771	{	847	{
772	double block;	848	double block;
773	ev_loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	849	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
774		850
775	do	851	do
776	{	852	{
777	/* queue check watchers (and execute them) */	853	/* queue check watchers (and execute them) */
778	if (expect_false (preparecnt))	854	if (expect_false (preparecnt))
779	{	855	{
780	queue_events ((W *)prepares, preparecnt, EV_PREPARE);	856	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
781	call_pending ();	857	call_pending (EV_A);
782	}	858	}
783		859
784	/* update fd-related kernel structures */	860	/* update fd-related kernel structures */
785	fd_reify ();	861	fd_reify (EV_A);
786		862
787	/* calculate blocking time */	863	/* calculate blocking time */
788		864
789	/* we only need this for !monotonic clockor timers, but as we basically	865	/* we only need this for !monotonic clockor timers, but as we basically
790	always have timers, we just calculate it always */	866	always have timers, we just calculate it always */
791	#if EV_USE_MONOTONIC	867	#if EV_USE_MONOTONIC
792	if (expect_true (have_monotonic))	868	if (expect_true (have_monotonic))
793	time_update_monotonic ();	869	time_update_monotonic (EV_A);
794	else	870	else
795	#endif	871	#endif
796	{	872	{
797	ev_now = ev_time ();	873	rt_now = ev_time ();
798	now = ev_now;	874	mn_now = rt_now;
799	}	875	}
800		876
801	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	877	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
802	block = 0.;	878	block = 0.;
803	else	879	else
804	{	880	{
805	block = MAX_BLOCKTIME;	881	block = MAX_BLOCKTIME;
806		882
807	if (timercnt)	883	if (timercnt)
808	{	884	{
809	ev_tstamp to = timers [0]->at - now + method_fudge;	885	ev_tstamp to = timers [0]->at - mn_now + method_fudge;
810	if (block > to) block = to;	886	if (block > to) block = to;
811	}	887	}
812		888
813	if (periodiccnt)	889	if (periodiccnt)
814	{	890	{
815	ev_tstamp to = periodics [0]->at - ev_now + method_fudge;	891	ev_tstamp to = periodics [0]->at - rt_now + method_fudge;
816	if (block > to) block = to;	892	if (block > to) block = to;
817	}	893	}
818		894
819	if (block < 0.) block = 0.;	895	if (block < 0.) block = 0.;
820	}	896	}
821		897
822	method_poll (block);	898	method_poll (EV_A_ block);
823		899
824	/* update ev_now, do magic */	900	/* update rt_now, do magic */
825	time_update ();	901	time_update (EV_A);
826		902
827	/* queue pending timers and reschedule them */	903	/* queue pending timers and reschedule them */
828	timers_reify (); /* relative timers called last */	904	timers_reify (EV_A); /* relative timers called last */
829	periodics_reify (); /* absolute timers called first */	905	periodics_reify (EV_A); /* absolute timers called first */
830		906
831	/* queue idle watchers unless io or timers are pending */	907	/* queue idle watchers unless io or timers are pending */
832	if (!pendingcnt)	908	if (!pendingcnt)
833	queue_events ((W *)idles, idlecnt, EV_IDLE);	909	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
834		910
835	/* queue check watchers, to be executed first */	911	/* queue check watchers, to be executed first */
836	if (checkcnt)	912	if (checkcnt)
837	queue_events ((W *)checks, checkcnt, EV_CHECK);	913	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
838		914
839	call_pending ();	915	call_pending (EV_A);
		916	printf ("activecnt %d\n", activecnt);//D
840	}	917	}
841	while (!ev_loop_done);	918	while (activecnt && !loop_done);
842		919
843	if (ev_loop_done != 2)	920	if (loop_done != 2)
844	ev_loop_done = 0;	921	loop_done = 0;
		922	}
		923
		924	void
		925	ev_unloop (EV_P_ int how)
		926	{
		927	loop_done = how;
845	}	928	}
846		929
847	/*****************************************************************************/	930	/*****************************************************************************/
848		931
849	static void	932	inline void
850	wlist_add (WL *head, WL elem)	933	wlist_add (WL *head, WL elem)
851	{	934	{
852	elem->next = *head;	935	elem->next = *head;
853	*head = elem;	936	*head = elem;
854	}	937	}
855		938
856	static void	939	inline void
857	wlist_del (WL *head, WL elem)	940	wlist_del (WL *head, WL elem)
858	{	941	{
859	while (*head)	942	while (*head)
860	{	943	{
861	if (*head == elem)	944	if (*head == elem)
…		…
866		949
867	head = &(*head)->next;	950	head = &(*head)->next;
868	}	951	}
869	}	952	}
870		953
871	static void	954	inline void
872	ev_clear_pending (W w)	955	ev_clear_pending (EV_P_ W w)
873	{	956	{
874	if (w->pending)	957	if (w->pending)
875	{	958	{
876	pendings [ABSPRI (w)][w->pending - 1].w = 0;	959	pendings [ABSPRI (w)][w->pending - 1].w = 0;
877	w->pending = 0;	960	w->pending = 0;
878	}	961	}
879	}	962	}
880		963
881	static void	964	inline void
882	ev_start (W w, int active)	965	ev_start (EV_P_ W w, int active)
883	{	966	{
884	if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;	967	if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;
885	if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;	968	if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
886		969
887	w->active = active;	970	w->active = active;
		971	ev_ref (EV_A);
888	}	972	}
889		973
890	static void	974	inline void
891	ev_stop (W w)	975	ev_stop (EV_P_ W w)
892	{	976	{
		977	ev_unref (EV_A);
893	w->active = 0;	978	w->active = 0;
894	}	979	}
895		980
896	/*****************************************************************************/	981	/*****************************************************************************/
897		982
898	void	983	void
899	ev_io_start (struct ev_io *w)	984	ev_io_start (EV_P_ struct ev_io *w)
900	{	985	{
901	int fd = w->fd;	986	int fd = w->fd;
902		987
903	if (ev_is_active (w))	988	if (ev_is_active (w))
904	return;	989	return;
905		990
906	assert (("ev_io_start called with negative fd", fd >= 0));	991	assert (("ev_io_start called with negative fd", fd >= 0));
907		992
908	ev_start ((W)w, 1);	993	ev_start (EV_A_ (W)w, 1);
909	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	994	array_needsize (anfds, anfdmax, fd + 1, anfds_init);
910	wlist_add ((WL *)&anfds[fd].head, (WL)w);	995	wlist_add ((WL *)&anfds[fd].head, (WL)w);
911		996
912	fd_change (fd);	997	fd_change (EV_A_ fd);
913	}	998	}
914		999
915	void	1000	void
916	ev_io_stop (struct ev_io *w)	1001	ev_io_stop (EV_P_ struct ev_io *w)
917	{	1002	{
918	ev_clear_pending ((W)w);	1003	ev_clear_pending (EV_A_ (W)w);
919	if (!ev_is_active (w))	1004	if (!ev_is_active (w))
920	return;	1005	return;
921		1006
922	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1007	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
923	ev_stop ((W)w);	1008	ev_stop (EV_A_ (W)w);
924		1009
925	fd_change (w->fd);	1010	fd_change (EV_A_ w->fd);
926	}	1011	}
927		1012
928	void	1013	void
929	ev_timer_start (struct ev_timer *w)	1014	ev_timer_start (EV_P_ struct ev_timer *w)
930	{	1015	{
931	if (ev_is_active (w))	1016	if (ev_is_active (w))
932	return;	1017	return;
933		1018
934	w->at += now;	1019	w->at += mn_now;
935		1020
936	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1021	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
937		1022
938	ev_start ((W)w, ++timercnt);	1023	ev_start (EV_A_ (W)w, ++timercnt);
939	array_needsize (timers, timermax, timercnt, );	1024	array_needsize (timers, timermax, timercnt, );
940	timers [timercnt - 1] = w;	1025	timers [timercnt - 1] = w;
941	upheap ((WT *)timers, timercnt - 1);	1026	upheap ((WT *)timers, timercnt - 1);
942	}	1027	}
943		1028
944	void	1029	void
945	ev_timer_stop (struct ev_timer *w)	1030	ev_timer_stop (EV_P_ struct ev_timer *w)
946	{	1031	{
947	ev_clear_pending ((W)w);	1032	ev_clear_pending (EV_A_ (W)w);
948	if (!ev_is_active (w))	1033	if (!ev_is_active (w))
949	return;	1034	return;
950		1035
951	if (w->active < timercnt--)	1036	if (w->active < timercnt--)
952	{	1037	{
…		…
954	downheap ((WT *)timers, timercnt, w->active - 1);	1039	downheap ((WT *)timers, timercnt, w->active - 1);
955	}	1040	}
956		1041
957	w->at = w->repeat;	1042	w->at = w->repeat;
958		1043
959	ev_stop ((W)w);	1044	ev_stop (EV_A_ (W)w);
960	}	1045	}
961		1046
962	void	1047	void
963	ev_timer_again (struct ev_timer *w)	1048	ev_timer_again (EV_P_ struct ev_timer *w)
964	{	1049	{
965	if (ev_is_active (w))	1050	if (ev_is_active (w))
966	{	1051	{
967	if (w->repeat)	1052	if (w->repeat)
968	{	1053	{
969	w->at = now + w->repeat;	1054	w->at = mn_now + w->repeat;
970	downheap ((WT *)timers, timercnt, w->active - 1);	1055	downheap ((WT *)timers, timercnt, w->active - 1);
971	}	1056	}
972	else	1057	else
973	ev_timer_stop (w);	1058	ev_timer_stop (EV_A_ w);
974	}	1059	}
975	else if (w->repeat)	1060	else if (w->repeat)
976	ev_timer_start (w);	1061	ev_timer_start (EV_A_ w);
977	}	1062	}
978		1063
979	void	1064	void
980	ev_periodic_start (struct ev_periodic *w)	1065	ev_periodic_start (EV_P_ struct ev_periodic *w)
981	{	1066	{
982	if (ev_is_active (w))	1067	if (ev_is_active (w))
983	return;	1068	return;
984		1069
985	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1070	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
986		1071
987	/* this formula differs from the one in periodic_reify because we do not always round up */	1072	/* this formula differs from the one in periodic_reify because we do not always round up */
988	if (w->interval)	1073	if (w->interval)
989	w->at += ceil ((ev_now - w->at) / w->interval) * w->interval;	1074	w->at += ceil ((rt_now - w->at) / w->interval) * w->interval;
990		1075
991	ev_start ((W)w, ++periodiccnt);	1076	ev_start (EV_A_ (W)w, ++periodiccnt);
992	array_needsize (periodics, periodicmax, periodiccnt, );	1077	array_needsize (periodics, periodicmax, periodiccnt, );
993	periodics [periodiccnt - 1] = w;	1078	periodics [periodiccnt - 1] = w;
994	upheap ((WT *)periodics, periodiccnt - 1);	1079	upheap ((WT *)periodics, periodiccnt - 1);
995	}	1080	}
996		1081
997	void	1082	void
998	ev_periodic_stop (struct ev_periodic *w)	1083	ev_periodic_stop (EV_P_ struct ev_periodic *w)
999	{	1084	{
1000	ev_clear_pending ((W)w);	1085	ev_clear_pending (EV_A_ (W)w);
1001	if (!ev_is_active (w))	1086	if (!ev_is_active (w))
1002	return;	1087	return;
1003		1088
1004	if (w->active < periodiccnt--)	1089	if (w->active < periodiccnt--)
1005	{	1090	{
1006	periodics [w->active - 1] = periodics [periodiccnt];	1091	periodics [w->active - 1] = periodics [periodiccnt];
1007	downheap ((WT *)periodics, periodiccnt, w->active - 1);	1092	downheap ((WT *)periodics, periodiccnt, w->active - 1);
1008	}	1093	}
1009		1094
1010	ev_stop ((W)w);	1095	ev_stop (EV_A_ (W)w);
1011	}	1096	}
1012		1097
		1098	#ifndef SA_RESTART
		1099	# define SA_RESTART 0
		1100	#endif
		1101
1013	void	1102	void
1014	ev_signal_start (struct ev_signal *w)	1103	ev_signal_start (EV_P_ struct ev_signal *w)
1015	{	1104	{
1016	if (ev_is_active (w))	1105	if (ev_is_active (w))
1017	return;	1106	return;
1018		1107
1019	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1108	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1020		1109
1021	ev_start ((W)w, 1);	1110	ev_start (EV_A_ (W)w, 1);
1022	array_needsize (signals, signalmax, w->signum, signals_init);	1111	array_needsize (signals, signalmax, w->signum, signals_init);
1023	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1112	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1024		1113
1025	if (!w->next)	1114	if (!w->next)
1026	{	1115	{
1027	struct sigaction sa;	1116	struct sigaction sa;
1028	sa.sa_handler = sighandler;	1117	sa.sa_handler = sighandler;
1029	sigfillset (&sa.sa_mask);	1118	sigfillset (&sa.sa_mask);
1030	sa.sa_flags = 0;	1119	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1031	sigaction (w->signum, &sa, 0);	1120	sigaction (w->signum, &sa, 0);
1032	}	1121	}
1033	}	1122	}
1034		1123
1035	void	1124	void
1036	ev_signal_stop (struct ev_signal *w)	1125	ev_signal_stop (EV_P_ struct ev_signal *w)
1037	{	1126	{
1038	ev_clear_pending ((W)w);	1127	ev_clear_pending (EV_A_ (W)w);
1039	if (!ev_is_active (w))	1128	if (!ev_is_active (w))
1040	return;	1129	return;
1041		1130
1042	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1131	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1043	ev_stop ((W)w);	1132	ev_stop (EV_A_ (W)w);
1044		1133
1045	if (!signals [w->signum - 1].head)	1134	if (!signals [w->signum - 1].head)
1046	signal (w->signum, SIG_DFL);	1135	signal (w->signum, SIG_DFL);
1047	}	1136	}
1048		1137
1049	void	1138	void
1050	ev_idle_start (struct ev_idle *w)	1139	ev_idle_start (EV_P_ struct ev_idle *w)
1051	{	1140	{
1052	if (ev_is_active (w))	1141	if (ev_is_active (w))
1053	return;	1142	return;
1054		1143
1055	ev_start ((W)w, ++idlecnt);	1144	ev_start (EV_A_ (W)w, ++idlecnt);
1056	array_needsize (idles, idlemax, idlecnt, );	1145	array_needsize (idles, idlemax, idlecnt, );
1057	idles [idlecnt - 1] = w;	1146	idles [idlecnt - 1] = w;
1058	}	1147	}
1059		1148
1060	void	1149	void
1061	ev_idle_stop (struct ev_idle *w)	1150	ev_idle_stop (EV_P_ struct ev_idle *w)
1062	{	1151	{
1063	ev_clear_pending ((W)w);	1152	ev_clear_pending (EV_A_ (W)w);
1064	if (ev_is_active (w))	1153	if (ev_is_active (w))
1065	return;	1154	return;
1066		1155
1067	idles [w->active - 1] = idles [--idlecnt];	1156	idles [w->active - 1] = idles [--idlecnt];
1068	ev_stop ((W)w);	1157	ev_stop (EV_A_ (W)w);
1069	}	1158	}
1070		1159
1071	void	1160	void
1072	ev_prepare_start (struct ev_prepare *w)	1161	ev_prepare_start (EV_P_ struct ev_prepare *w)
1073	{	1162	{
1074	if (ev_is_active (w))	1163	if (ev_is_active (w))
1075	return;	1164	return;
1076		1165
1077	ev_start ((W)w, ++preparecnt);	1166	ev_start (EV_A_ (W)w, ++preparecnt);
1078	array_needsize (prepares, preparemax, preparecnt, );	1167	array_needsize (prepares, preparemax, preparecnt, );
1079	prepares [preparecnt - 1] = w;	1168	prepares [preparecnt - 1] = w;
1080	}	1169	}
1081		1170
1082	void	1171	void
1083	ev_prepare_stop (struct ev_prepare *w)	1172	ev_prepare_stop (EV_P_ struct ev_prepare *w)
1084	{	1173	{
1085	ev_clear_pending ((W)w);	1174	ev_clear_pending (EV_A_ (W)w);
1086	if (ev_is_active (w))	1175	if (ev_is_active (w))
1087	return;	1176	return;
1088		1177
1089	prepares [w->active - 1] = prepares [--preparecnt];	1178	prepares [w->active - 1] = prepares [--preparecnt];
1090	ev_stop ((W)w);	1179	ev_stop (EV_A_ (W)w);
1091	}	1180	}
1092		1181
1093	void	1182	void
1094	ev_check_start (struct ev_check *w)	1183	ev_check_start (EV_P_ struct ev_check *w)
1095	{	1184	{
1096	if (ev_is_active (w))	1185	if (ev_is_active (w))
1097	return;	1186	return;
1098		1187
1099	ev_start ((W)w, ++checkcnt);	1188	ev_start (EV_A_ (W)w, ++checkcnt);
1100	array_needsize (checks, checkmax, checkcnt, );	1189	array_needsize (checks, checkmax, checkcnt, );
1101	checks [checkcnt - 1] = w;	1190	checks [checkcnt - 1] = w;
1102	}	1191	}
1103		1192
1104	void	1193	void
1105	ev_check_stop (struct ev_check *w)	1194	ev_check_stop (EV_P_ struct ev_check *w)
1106	{	1195	{
1107	ev_clear_pending ((W)w);	1196	ev_clear_pending (EV_A_ (W)w);
1108	if (ev_is_active (w))	1197	if (ev_is_active (w))
1109	return;	1198	return;
1110		1199
1111	checks [w->active - 1] = checks [--checkcnt];	1200	checks [w->active - 1] = checks [--checkcnt];
1112	ev_stop ((W)w);	1201	ev_stop (EV_A_ (W)w);
1113	}	1202	}
1114		1203
1115	void	1204	void
1116	ev_child_start (struct ev_child *w)	1205	ev_child_start (EV_P_ struct ev_child *w)
1117	{	1206	{
1118	if (ev_is_active (w))	1207	if (ev_is_active (w))
1119	return;	1208	return;
1120		1209
1121	ev_start ((W)w, 1);	1210	ev_start (EV_A_ (W)w, 1);
1122	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1211	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1123	}	1212	}
1124		1213
1125	void	1214	void
1126	ev_child_stop (struct ev_child *w)	1215	ev_child_stop (EV_P_ struct ev_child *w)
1127	{	1216	{
1128	ev_clear_pending ((W)w);	1217	ev_clear_pending (EV_A_ (W)w);
1129	if (ev_is_active (w))	1218	if (ev_is_active (w))
1130	return;	1219	return;
1131		1220
1132	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1221	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1133	ev_stop ((W)w);	1222	ev_stop (EV_A_ (W)w);
1134	}	1223	}
1135		1224
1136	/*****************************************************************************/	1225	/*****************************************************************************/
1137		1226
1138	struct ev_once	1227	struct ev_once
…		…
1142	void (cb)(int revents, void arg);	1231	void (cb)(int revents, void arg);
1143	void *arg;	1232	void *arg;
1144	};	1233	};
1145		1234
1146	static void	1235	static void
1147	once_cb (struct ev_once *once, int revents)	1236	once_cb (EV_P_ struct ev_once *once, int revents)
1148	{	1237	{
1149	void (cb)(int revents, void arg) = once->cb;	1238	void (cb)(int revents, void arg) = once->cb;
1150	void *arg = once->arg;	1239	void *arg = once->arg;
1151		1240
1152	ev_io_stop (&once->io);	1241	ev_io_stop (EV_A_ &once->io);
1153	ev_timer_stop (&once->to);	1242	ev_timer_stop (EV_A_ &once->to);
1154	free (once);	1243	free (once);
1155		1244
1156	cb (revents, arg);	1245	cb (revents, arg);
1157	}	1246	}
1158		1247
1159	static void	1248	static void
1160	once_cb_io (struct ev_io *w, int revents)	1249	once_cb_io (EV_P_ struct ev_io *w, int revents)
1161	{	1250	{
1162	once_cb ((struct ev_once )(((char )w) - offsetof (struct ev_once, io)), revents);	1251	once_cb (EV_A_ (struct ev_once )(((char )w) - offsetof (struct ev_once, io)), revents);
1163	}	1252	}
1164		1253
1165	static void	1254	static void
1166	once_cb_to (struct ev_timer *w, int revents)	1255	once_cb_to (EV_P_ struct ev_timer *w, int revents)
1167	{	1256	{
1168	once_cb ((struct ev_once )(((char )w) - offsetof (struct ev_once, to)), revents);	1257	once_cb (EV_A_ (struct ev_once )(((char )w) - offsetof (struct ev_once, to)), revents);
1169	}	1258	}
1170		1259
1171	void	1260	void
1172	ev_once (int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1261	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1173	{	1262	{
1174	struct ev_once *once = malloc (sizeof (struct ev_once));	1263	struct ev_once *once = malloc (sizeof (struct ev_once));
1175		1264
1176	if (!once)	1265	if (!once)
1177	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1266	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
…		…
1182		1271
1183	ev_watcher_init (&once->io, once_cb_io);	1272	ev_watcher_init (&once->io, once_cb_io);
1184	if (fd >= 0)	1273	if (fd >= 0)
1185	{	1274	{
1186	ev_io_set (&once->io, fd, events);	1275	ev_io_set (&once->io, fd, events);
1187	ev_io_start (&once->io);	1276	ev_io_start (EV_A_ &once->io);
1188	}	1277	}
1189		1278
1190	ev_watcher_init (&once->to, once_cb_to);	1279	ev_watcher_init (&once->to, once_cb_to);
1191	if (timeout >= 0.)	1280	if (timeout >= 0.)
1192	{	1281	{
1193	ev_timer_set (&once->to, timeout, 0.);	1282	ev_timer_set (&once->to, timeout, 0.);
1194	ev_timer_start (&once->to);	1283	ev_timer_start (EV_A_ &once->to);
1195	}	1284	}
1196	}	1285	}
1197	}	1286	}
1198		1287
1199	/*****************************************************************************/	1288	/*****************************************************************************/

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Comparing libev/ev.c (file contents): Revision 1.46 by root, Sat Nov 3 09:20:12 2007 UTC vs. Revision 1.51 by root, Sat Nov 3 21:58:51 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.46 by root, Sat Nov 3 09:20:12 2007 UTC vs.
Revision 1.51 by root, Sat Nov 3 21:58:51 2007 UTC