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

Comparing libev/ev.c (file contents):
Revision 1.42 by root, Fri Nov 2 20:05:05 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>
…		…
42	#include <stdio.h>	42	#include <stdio.h>
43		43
44	#include <assert.h>	44	#include <assert.h>
45	#include <errno.h>	45	#include <errno.h>
46	#include <sys/types.h>	46	#include <sys/types.h>
		47	#ifndef WIN32
47	#include <sys/wait.h>	48	# include <sys/wait.h>
		49	#endif
48	#include <sys/time.h>	50	#include <sys/time.h>
49	#include <time.h>	51	#include <time.h>
50		52
51	/**/	53	/**/
52		54
…		…
56		58
57	#ifndef EV_USE_SELECT	59	#ifndef EV_USE_SELECT
58	# define EV_USE_SELECT 1	60	# define EV_USE_SELECT 1
59	#endif	61	#endif
60		62
61	#ifndef EV_USE_POLL	63	#ifndef EV_USEV_POLL
62	# 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 */
63	#endif	65	#endif
64		66
65	#ifndef EV_USE_EPOLL	67	#ifndef EV_USE_EPOLL
66	# define EV_USE_EPOLL 0	68	# define EV_USE_EPOLL 0
		69	#endif
		70
		71	#ifndef EV_USE_KQUEUE
		72	# define EV_USE_KQUEUE 0
67	#endif	73	#endif
68		74
69	#ifndef EV_USE_REALTIME	75	#ifndef EV_USE_REALTIME
70	# define EV_USE_REALTIME 1	76	# define EV_USE_REALTIME 1
71	#endif	77	#endif
…		…
107		113
108	typedef struct ev_watcher *W;	114	typedef struct ev_watcher *W;
109	typedef struct ev_watcher_list *WL;	115	typedef struct ev_watcher_list *WL;
110	typedef struct ev_watcher_time *WT;	116	typedef struct ev_watcher_time *WT;
111		117
112	static ev_tstamp now_floor, now, diff; /* monotonic clock */	118	static ev_tstamp now_floor, mn_now, diff; /* monotonic clock */
113	ev_tstamp ev_now;	119	static ev_tstamp rt_now;
114	int ev_method;	120	static int method;
115		121
116	static int have_monotonic; /* runtime */	122	static int have_monotonic; /* runtime */
117		123
118	static ev_tstamp method_fudge; /* stupid epoll-returns-early bug */	124	static ev_tstamp method_fudge; /* stupid epoll-returns-early bug */
119	static void (*method_modify)(int fd, int oev, int nev);	125	static void (*method_modify)(EV_P_ int fd, int oev, int nev);
120	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
121		156
122	/*****************************************************************************/	157	/*****************************************************************************/
123		158
124	ev_tstamp	159	inline ev_tstamp
125	ev_time (void)	160	ev_time (void)
126	{	161	{
127	#if EV_USE_REALTIME	162	#if EV_USE_REALTIME
128	struct timespec ts;	163	struct timespec ts;
129	clock_gettime (CLOCK_REALTIME, &ts);	164	clock_gettime (CLOCK_REALTIME, &ts);
…		…
133	gettimeofday (&tv, 0);	168	gettimeofday (&tv, 0);
134	return tv.tv_sec + tv.tv_usec * 1e-6;	169	return tv.tv_sec + tv.tv_usec * 1e-6;
135	#endif	170	#endif
136	}	171	}
137		172
138	static ev_tstamp	173	inline ev_tstamp
139	get_clock (void)	174	get_clock (void)
140	{	175	{
141	#if EV_USE_MONOTONIC	176	#if EV_USE_MONOTONIC
142	if (expect_true (have_monotonic))	177	if (expect_true (have_monotonic))
143	{	178	{
…		…
146	return ts.tv_sec + ts.tv_nsec * 1e-9;	181	return ts.tv_sec + ts.tv_nsec * 1e-9;
147	}	182	}
148	#endif	183	#endif
149		184
150	return ev_time ();	185	return ev_time ();
		186	}
		187
		188	ev_tstamp
		189	ev_now (EV_P)
		190	{
		191	return rt_now;
151	}	192	}
152		193
153	#define array_roundsize(base,n) ((n) \| 4 & ~3)	194	#define array_roundsize(base,n) ((n) \| 4 & ~3)
154		195
155	#define array_needsize(base,cur,cnt,init) \	196	#define array_needsize(base,cur,cnt,init) \
…		…
169		210
170	/*****************************************************************************/	211	/*****************************************************************************/
171		212
172	typedef struct	213	typedef struct
173	{	214	{
174	struct ev_io *head;	215	struct ev_watcher_list *head;
175	unsigned char events;	216	unsigned char events;
176	unsigned char reify;	217	unsigned char reify;
177	} ANFD;	218	} ANFD;
178		219
179	static ANFD *anfds;	220	static ANFD *anfds;
…		…
200		241
201	static ANPENDING *pendings [NUMPRI];	242	static ANPENDING *pendings [NUMPRI];
202	static int pendingmax [NUMPRI], pendingcnt [NUMPRI];	243	static int pendingmax [NUMPRI], pendingcnt [NUMPRI];
203		244
204	static void	245	static void
205	event (W w, int events)	246	event (EV_P_ W w, int events)
206	{	247	{
207	if (w->pending)	248	if (w->pending)
208	{	249	{
209	pendings [ABSPRI (w)][w->pending - 1].events \|= events;	250	pendings [ABSPRI (w)][w->pending - 1].events \|= events;
210	return;	251	return;
…		…
215	pendings [ABSPRI (w)][w->pending - 1].w = w;	256	pendings [ABSPRI (w)][w->pending - 1].w = w;
216	pendings [ABSPRI (w)][w->pending - 1].events = events;	257	pendings [ABSPRI (w)][w->pending - 1].events = events;
217	}	258	}
218		259
219	static void	260	static void
220	queue_events (W *events, int eventcnt, int type)	261	queue_events (EV_P_ W *events, int eventcnt, int type)
221	{	262	{
222	int i;	263	int i;
223		264
224	for (i = 0; i < eventcnt; ++i)	265	for (i = 0; i < eventcnt; ++i)
225	event (events [i], type);	266	event (EV_A_ events [i], type);
226	}	267	}
227		268
228	static void	269	static void
229	fd_event (int fd, int events)	270	fd_event (EV_P_ int fd, int events)
230	{	271	{
231	ANFD *anfd = anfds + fd;	272	ANFD *anfd = anfds + fd;
232	struct ev_io *w;	273	struct ev_io *w;
233		274
234	for (w = anfd->head; w; w = w->next)	275	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
235	{	276	{
236	int ev = w->events & events;	277	int ev = w->events & events;
237		278
238	if (ev)	279	if (ev)
239	event ((W)w, ev);	280	event (EV_A_ (W)w, ev);
240	}	281	}
241	}	282	}
242		283
243	/*****************************************************************************/	284	/*****************************************************************************/
244		285
245	static int *fdchanges;	286	static int *fdchanges;
246	static int fdchangemax, fdchangecnt;	287	static int fdchangemax, fdchangecnt;
247		288
248	static void	289	static void
249	fd_reify (void)	290	fd_reify (EV_P)
250	{	291	{
251	int i;	292	int i;
252		293
253	for (i = 0; i < fdchangecnt; ++i)	294	for (i = 0; i < fdchangecnt; ++i)
254	{	295	{
…		…
256	ANFD *anfd = anfds + fd;	297	ANFD *anfd = anfds + fd;
257	struct ev_io *w;	298	struct ev_io *w;
258		299
259	int events = 0;	300	int events = 0;
260		301
261	for (w = anfd->head; w; w = w->next)	302	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
262	events \|= w->events;	303	events \|= w->events;
263		304
264	anfd->reify = 0;	305	anfd->reify = 0;
265		306
266	if (anfd->events != events)	307	if (anfd->events != events)
267	{	308	{
268	method_modify (fd, anfd->events, events);	309	method_modify (EV_A_ fd, anfd->events, events);
269	anfd->events = events;	310	anfd->events = events;
270	}	311	}
271	}	312	}
272		313
273	fdchangecnt = 0;	314	fdchangecnt = 0;
274	}	315	}
275		316
276	static void	317	static void
277	fd_change (int fd)	318	fd_change (EV_P_ int fd)
278	{	319	{
279	if (anfds [fd].reify \|\| fdchangecnt < 0)	320	if (anfds [fd].reify \|\| fdchangecnt < 0)
280	return;	321	return;
281		322
282	anfds [fd].reify = 1;	323	anfds [fd].reify = 1;
…		…
285	array_needsize (fdchanges, fdchangemax, fdchangecnt, );	326	array_needsize (fdchanges, fdchangemax, fdchangecnt, );
286	fdchanges [fdchangecnt - 1] = fd;	327	fdchanges [fdchangecnt - 1] = fd;
287	}	328	}
288		329
289	static void	330	static void
290	fd_kill (int fd)	331	fd_kill (EV_P_ int fd)
291	{	332	{
292	struct ev_io *w;	333	struct ev_io *w;
293		334
294	printf ("killing fd %d\n", fd);//D
295	while ((w = anfds [fd].head))	335	while ((w = (struct ev_io *)anfds [fd].head))
296	{	336	{
297	ev_io_stop (w);	337	ev_io_stop (EV_A_ w);
298	event ((W)w, EV_ERROR \| EV_READ \| EV_WRITE);	338	event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
299	}	339	}
300	}	340	}
301		341
302	/* called on EBADF to verify fds */	342	/* called on EBADF to verify fds */
303	static void	343	static void
304	fd_ebadf (void)	344	fd_ebadf (EV_P)
305	{	345	{
306	int fd;	346	int fd;
307		347
308	for (fd = 0; fd < anfdmax; ++fd)	348	for (fd = 0; fd < anfdmax; ++fd)
309	if (anfds [fd].events)	349	if (anfds [fd].events)
310	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)	350	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)
311	fd_kill (fd);	351	fd_kill (EV_A_ fd);
312	}	352	}
313		353
314	/* 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 */
315	static void	355	static void
316	fd_enomem (void)	356	fd_enomem (EV_P)
317	{	357	{
318	int fd = anfdmax;	358	int fd = anfdmax;
319		359
320	while (fd--)	360	while (fd--)
321	if (anfds [fd].events)	361	if (anfds [fd].events)
322	{	362	{
323	close (fd);	363	close (fd);
324	fd_kill (fd);	364	fd_kill (EV_A_ fd);
325	return;	365	return;
326	}	366	}
327	}	367	}
328		368
329	/*****************************************************************************/	369	/*****************************************************************************/
…		…
377		417
378	/*****************************************************************************/	418	/*****************************************************************************/
379		419
380	typedef struct	420	typedef struct
381	{	421	{
382	struct ev_signal *head;	422	struct ev_watcher_list *head;
383	sig_atomic_t volatile gotsig;	423	sig_atomic_t volatile gotsig;
384	} ANSIG;	424	} ANSIG;
385		425
386	static ANSIG *signals;	426	static ANSIG *signals;
387	static int signalmax;	427	static int signalmax;
…		…
407	{	447	{
408	signals [signum - 1].gotsig = 1;	448	signals [signum - 1].gotsig = 1;
409		449
410	if (!gotsig)	450	if (!gotsig)
411	{	451	{
		452	int old_errno = errno;
412	gotsig = 1;	453	gotsig = 1;
413	write (sigpipe [1], &signum, 1);	454	write (sigpipe [1], &signum, 1);
		455	errno = old_errno;
414	}	456	}
415	}	457	}
416		458
417	static void	459	static void
418	sigcb (struct ev_io *iow, int revents)	460	sigcb (EV_P_ struct ev_io *iow, int revents)
419	{	461	{
420	struct ev_signal *w;	462	struct ev_watcher_list *w;
421	int signum;	463	int signum;
422		464
423	read (sigpipe [0], &revents, 1);	465	read (sigpipe [0], &revents, 1);
424	gotsig = 0;	466	gotsig = 0;
425		467
…		…
427	if (signals [signum].gotsig)	469	if (signals [signum].gotsig)
428	{	470	{
429	signals [signum].gotsig = 0;	471	signals [signum].gotsig = 0;
430		472
431	for (w = signals [signum].head; w; w = w->next)	473	for (w = signals [signum].head; w; w = w->next)
432	event ((W)w, EV_SIGNAL);	474	event (EV_A_ (W)w, EV_SIGNAL);
433	}	475	}
434	}	476	}
435		477
436	static void	478	static void
437	siginit (void)	479	siginit (EV_P)
438	{	480	{
		481	#ifndef WIN32
439	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	482	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);
440	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);	483	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
441		484
442	/* rather than sort out wether we really need nb, set it */	485	/* rather than sort out wether we really need nb, set it */
443	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);	486	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
444	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);	487	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
		488	#endif
445		489
446	ev_io_set (&sigev, sigpipe [0], EV_READ);	490	ev_io_set (&sigev, sigpipe [0], EV_READ);
447	ev_io_start (&sigev);	491	ev_io_start (&sigev);
448	}	492	}
449		493
…		…
461	/*****************************************************************************/	505	/*****************************************************************************/
462		506
463	static struct ev_child *childs [PID_HASHSIZE];	507	static struct ev_child *childs [PID_HASHSIZE];
464	static struct ev_signal childev;	508	static struct ev_signal childev;
465		509
		510	#ifndef WIN32
		511
466	#ifndef WCONTINUED	512	#ifndef WCONTINUED
467	# define WCONTINUED 0	513	# define WCONTINUED 0
468	#endif	514	#endif
469		515
470	static void	516	static void
471	childcb (struct ev_signal *sw, int revents)	517	child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status)
472	{	518	{
473	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	{
474	int pid, status;	534	int pid, status;
475		535
476	while ((pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)) != -1)	536	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
477	for (w = childs [pid & (PID_HASHSIZE - 1)]; w; w = w->next)	537	{
478	if (w->pid == pid \|\| !w->pid)	538	/* make sure we are called again until all childs have been reaped */
479	{	539	event (EV_A_ (W)sw, EV_SIGNAL);
480	w->status = status;	540
481	event ((W)w, EV_CHILD);	541	child_reap (EV_A_ sw, pid, pid, status);
482	}	542	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
		543	}
483	}	544	}
		545
		546	#endif
484		547
485	/*****************************************************************************/	548	/*****************************************************************************/
486		549
		550	#if EV_USE_KQUEUE
		551	# include "ev_kqueue.c"
		552	#endif
487	#if EV_USE_EPOLL	553	#if EV_USE_EPOLL
488	# include "ev_epoll.c"	554	# include "ev_epoll.c"
489	#endif	555	#endif
490	#if EV_USE_POLL	556	#if EV_USEV_POLL
491	# include "ev_poll.c"	557	# include "ev_poll.c"
492	#endif	558	#endif
493	#if EV_USE_SELECT	559	#if EV_USE_SELECT
494	# include "ev_select.c"	560	# include "ev_select.c"
495	#endif	561	#endif
…		…
504	ev_version_minor (void)	570	ev_version_minor (void)
505	{	571	{
506	return EV_VERSION_MINOR;	572	return EV_VERSION_MINOR;
507	}	573	}
508		574
509	/* 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 */
510	static int	576	static int
511	enable_secure ()	577	enable_secure (void)
512	{	578	{
		579	#ifdef WIN32
		580	return 0;
		581	#else
513	return getuid () != geteuid ()	582	return getuid () != geteuid ()
514	\|\| getgid () != getegid ();	583	\|\| getgid () != getegid ();
		584	#endif
515	}	585	}
516		586
		587	int
		588	ev_method (EV_P)
		589	{
		590	return method;
		591	}
		592
		593	int
517	int ev_init (int methods)	594	ev_init (EV_P_ int methods)
518	{	595	{
519	if (!ev_method)	596	if (!method)
520	{	597	{
521	#if EV_USE_MONOTONIC	598	#if EV_USE_MONOTONIC
522	{	599	{
523	struct timespec ts;	600	struct timespec ts;
524	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	601	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
525	have_monotonic = 1;	602	have_monotonic = 1;
526	}	603	}
527	#endif	604	#endif
528		605
529	ev_now = ev_time ();	606	rt_now = ev_time ();
530	now = get_clock ();	607	mn_now = get_clock ();
531	now_floor = now;	608	now_floor = mn_now;
532	diff = ev_now - now;	609	diff = rt_now - mn_now;
533		610
534	if (pipe (sigpipe))	611	if (pipe (sigpipe))
535	return 0;	612	return 0;
536		613
537	if (methods == EVMETHOD_AUTO)	614	if (methods == EVMETHOD_AUTO)
538	if (!enable_secure () && getenv ("LIBEV_METHODS"))	615	if (!enable_secure () && getenv ("LIBmethodS"))
539	methods = atoi (getenv ("LIBEV_METHODS"));	616	methods = atoi (getenv ("LIBmethodS"));
540	else	617	else
541	methods = EVMETHOD_ANY;	618	methods = EVMETHOD_ANY;
542		619
543	ev_method = 0;	620	method = 0;
		621	#if EV_USE_KQUEUE
		622	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);
		623	#endif
544	#if EV_USE_EPOLL	624	#if EV_USE_EPOLL
545	if (!ev_method && (methods & EVMETHOD_EPOLL )) epoll_init (methods);	625	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);
546	#endif	626	#endif
547	#if EV_USE_POLL	627	#if EV_USEV_POLL
548	if (!ev_method && (methods & EVMETHOD_POLL )) poll_init (methods);	628	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);
549	#endif	629	#endif
550	#if EV_USE_SELECT	630	#if EV_USE_SELECT
551	if (!ev_method && (methods & EVMETHOD_SELECT)) select_init (methods);	631	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);
552	#endif	632	#endif
553		633
554	if (ev_method)	634	if (method)
555	{	635	{
556	ev_watcher_init (&sigev, sigcb);	636	ev_watcher_init (&sigev, sigcb);
		637	ev_set_priority (&sigev, EV_MAXPRI);
557	siginit ();	638	siginit (EV_A);
558		639
		640	#ifndef WIN32
559	ev_signal_init (&childev, childcb, SIGCHLD);	641	ev_signal_init (&childev, childcb, SIGCHLD);
		642	ev_set_priority (&childev, EV_MAXPRI);
560	ev_signal_start (&childev);	643	ev_signal_start (EV_A_ &childev);
		644	#endif
561	}	645	}
562	}	646	}
563		647
564	return ev_method;	648	return method;
565	}	649	}
566		650
567	/*****************************************************************************/	651	/*****************************************************************************/
568		652
569	void	653	void
…		…
580		664
581	void	665	void
582	ev_fork_child (void)	666	ev_fork_child (void)
583	{	667	{
584	#if EV_USE_EPOLL	668	#if EV_USE_EPOLL
585	if (ev_method == EVMETHOD_EPOLL)	669	if (method == EVMETHOD_EPOLL)
586	epoll_postfork_child ();	670	epoll_postfork_child ();
587	#endif	671	#endif
588		672
589	ev_io_stop (&sigev);	673	ev_io_stop (&sigev);
590	close (sigpipe [0]);	674	close (sigpipe [0]);
…		…
594	}	678	}
595		679
596	/*****************************************************************************/	680	/*****************************************************************************/
597		681
598	static void	682	static void
599	call_pending (void)	683	call_pending (EV_P)
600	{	684	{
601	int pri;	685	int pri;
602		686
603	for (pri = NUMPRI; pri--; )	687	for (pri = NUMPRI; pri--; )
604	while (pendingcnt [pri])	688	while (pendingcnt [pri])
…		…
606	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	690	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
607		691
608	if (p->w)	692	if (p->w)
609	{	693	{
610	p->w->pending = 0;	694	p->w->pending = 0;
611	p->w->cb (p->w, p->events);	695	p->w->cb (EV_A_ p->w, p->events);
612	}	696	}
613	}	697	}
614	}	698	}
615		699
616	static void	700	static void
617	timers_reify (void)	701	timers_reify (EV_P)
618	{	702	{
619	while (timercnt && timers [0]->at <= now)	703	while (timercnt && timers [0]->at <= mn_now)
620	{	704	{
621	struct ev_timer *w = timers [0];	705	struct ev_timer *w = timers [0];
622		706
623	/* first reschedule or stop timer */	707	/* first reschedule or stop timer */
624	if (w->repeat)	708	if (w->repeat)
625	{	709	{
626	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.));
627	w->at = now + w->repeat;	711	w->at = mn_now + w->repeat;
628	downheap ((WT *)timers, timercnt, 0);	712	downheap ((WT *)timers, timercnt, 0);
629	}	713	}
630	else	714	else
631	ev_timer_stop (w); /* nonrepeating: stop timer */	715	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
632		716
633	event ((W)w, EV_TIMEOUT);	717	event ((W)w, EV_TIMEOUT);
634	}	718	}
635	}	719	}
636		720
637	static void	721	static void
638	periodics_reify (void)	722	periodics_reify (EV_P)
639	{	723	{
640	while (periodiccnt && periodics [0]->at <= ev_now)	724	while (periodiccnt && periodics [0]->at <= rt_now)
641	{	725	{
642	struct ev_periodic *w = periodics [0];	726	struct ev_periodic *w = periodics [0];
643		727
644	/* first reschedule or stop timer */	728	/* first reschedule or stop timer */
645	if (w->interval)	729	if (w->interval)
646	{	730	{
647	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;
648	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));
649	downheap ((WT *)periodics, periodiccnt, 0);	733	downheap ((WT *)periodics, periodiccnt, 0);
650	}	734	}
651	else	735	else
652	ev_periodic_stop (w); /* nonrepeating: stop timer */	736	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
653		737
654	event ((W)w, EV_PERIODIC);	738	event (EV_A_ (W)w, EV_PERIODIC);
655	}	739	}
656	}	740	}
657		741
658	static void	742	static void
659	periodics_reschedule (ev_tstamp diff)	743	periodics_reschedule (EV_P_ ev_tstamp diff)
660	{	744	{
661	int i;	745	int i;
662		746
663	/* adjust periodics after time jump */	747	/* adjust periodics after time jump */
664	for (i = 0; i < periodiccnt; ++i)	748	for (i = 0; i < periodiccnt; ++i)
665	{	749	{
666	struct ev_periodic *w = periodics [i];	750	struct ev_periodic *w = periodics [i];
667		751
668	if (w->interval)	752	if (w->interval)
669	{	753	{
670	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;
671		755
672	if (fabs (diff) >= 1e-4)	756	if (fabs (diff) >= 1e-4)
673	{	757	{
674	ev_periodic_stop (w);	758	ev_periodic_stop (EV_A_ w);
675	ev_periodic_start (w);	759	ev_periodic_start (EV_A_ w);
676		760
677	i = 0; /* restart loop, inefficient, but time jumps should be rare */	761	i = 0; /* restart loop, inefficient, but time jumps should be rare */
678	}	762	}
679	}	763	}
680	}	764	}
681	}	765	}
682		766
683	static int	767	inline int
684	time_update_monotonic (void)	768	time_update_monotonic (EV_P)
685	{	769	{
686	now = get_clock ();	770	mn_now = get_clock ();
687		771
688	if (expect_true (now - now_floor < MIN_TIMEJUMP * .5))	772	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
689	{	773	{
690	ev_now = now + diff;	774	rt_now = mn_now + diff;
691	return 0;	775	return 0;
692	}	776	}
693	else	777	else
694	{	778	{
695	now_floor = now;	779	now_floor = mn_now;
696	ev_now = ev_time ();	780	rt_now = ev_time ();
697	return 1;	781	return 1;
698	}	782	}
699	}	783	}
700		784
701	static void	785	static void
702	time_update (void)	786	time_update (EV_P)
703	{	787	{
704	int i;	788	int i;
705		789
706	#if EV_USE_MONOTONIC	790	#if EV_USE_MONOTONIC
707	if (expect_true (have_monotonic))	791	if (expect_true (have_monotonic))
708	{	792	{
709	if (time_update_monotonic ())	793	if (time_update_monotonic (EV_A))
710	{	794	{
711	ev_tstamp odiff = diff;	795	ev_tstamp odiff = diff;
712		796
713	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 */
714	{	798	{
715	diff = ev_now - now;	799	diff = rt_now - mn_now;
716		800
717	if (fabs (odiff - diff) < MIN_TIMEJUMP)	801	if (fabs (odiff - diff) < MIN_TIMEJUMP)
718	return; /* all is well */	802	return; /* all is well */
719		803
720	ev_now = ev_time ();	804	rt_now = ev_time ();
721	now = get_clock ();	805	mn_now = get_clock ();
722	now_floor = now;	806	now_floor = mn_now;
723	}	807	}
724		808
725	periodics_reschedule (diff - odiff);	809	periodics_reschedule (EV_A_ diff - odiff);
726	/* no timer adjustment, as the monotonic clock doesn't jump */	810	/* no timer adjustment, as the monotonic clock doesn't jump */
727	}	811	}
728	}	812	}
729	else	813	else
730	#endif	814	#endif
731	{	815	{
732	ev_now = ev_time ();	816	rt_now = ev_time ();
733		817
734	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))
735	{	819	{
736	periodics_reschedule (ev_now - now);	820	periodics_reschedule (EV_A_ rt_now - mn_now);
737		821
738	/* 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 */
739	for (i = 0; i < timercnt; ++i)	823	for (i = 0; i < timercnt; ++i)
740	timers [i]->at += diff;	824	timers [i]->at += diff;
741	}	825	}
742		826
743	now = ev_now;	827	mn_now = rt_now;
744	}	828	}
745	}	829	}
746		830
747	int ev_loop_done;	831	void
		832	ev_ref (EV_P)
		833	{
		834	++activecnt;
		835	}
748		836
		837	void
		838	ev_unref (EV_P)
		839	{
		840	--activecnt;
		841	}
		842
		843	static int loop_done;
		844
		845	void
749	void ev_loop (int flags)	846	ev_loop (EV_P_ int flags)
750	{	847	{
751	double block;	848	double block;
752	ev_loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	849	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
753		850
754	do	851	do
755	{	852	{
756	/* queue check watchers (and execute them) */	853	/* queue check watchers (and execute them) */
757	if (expect_false (preparecnt))	854	if (expect_false (preparecnt))
758	{	855	{
759	queue_events ((W *)prepares, preparecnt, EV_PREPARE);	856	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
760	call_pending ();	857	call_pending (EV_A);
761	}	858	}
762		859
763	/* update fd-related kernel structures */	860	/* update fd-related kernel structures */
764	fd_reify ();	861	fd_reify (EV_A);
765		862
766	/* calculate blocking time */	863	/* calculate blocking time */
767		864
768	/* 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
769	always have timers, we just calculate it always */	866	always have timers, we just calculate it always */
770	#if EV_USE_MONOTONIC	867	#if EV_USE_MONOTONIC
771	if (expect_true (have_monotonic))	868	if (expect_true (have_monotonic))
772	time_update_monotonic ();	869	time_update_monotonic (EV_A);
773	else	870	else
774	#endif	871	#endif
775	{	872	{
776	ev_now = ev_time ();	873	rt_now = ev_time ();
777	now = ev_now;	874	mn_now = rt_now;
778	}	875	}
779		876
780	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	877	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
781	block = 0.;	878	block = 0.;
782	else	879	else
783	{	880	{
784	block = MAX_BLOCKTIME;	881	block = MAX_BLOCKTIME;
785		882
786	if (timercnt)	883	if (timercnt)
787	{	884	{
788	ev_tstamp to = timers [0]->at - now + method_fudge;	885	ev_tstamp to = timers [0]->at - mn_now + method_fudge;
789	if (block > to) block = to;	886	if (block > to) block = to;
790	}	887	}
791		888
792	if (periodiccnt)	889	if (periodiccnt)
793	{	890	{
794	ev_tstamp to = periodics [0]->at - ev_now + method_fudge;	891	ev_tstamp to = periodics [0]->at - rt_now + method_fudge;
795	if (block > to) block = to;	892	if (block > to) block = to;
796	}	893	}
797		894
798	if (block < 0.) block = 0.;	895	if (block < 0.) block = 0.;
799	}	896	}
800		897
801	method_poll (block);	898	method_poll (EV_A_ block);
802		899
803	/* update ev_now, do magic */	900	/* update rt_now, do magic */
804	time_update ();	901	time_update (EV_A);
805		902
806	/* queue pending timers and reschedule them */	903	/* queue pending timers and reschedule them */
807	timers_reify (); /* relative timers called last */	904	timers_reify (EV_A); /* relative timers called last */
808	periodics_reify (); /* absolute timers called first */	905	periodics_reify (EV_A); /* absolute timers called first */
809		906
810	/* queue idle watchers unless io or timers are pending */	907	/* queue idle watchers unless io or timers are pending */
811	if (!pendingcnt)	908	if (!pendingcnt)
812	queue_events ((W *)idles, idlecnt, EV_IDLE);	909	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
813		910
814	/* queue check watchers, to be executed first */	911	/* queue check watchers, to be executed first */
815	if (checkcnt)	912	if (checkcnt)
816	queue_events ((W *)checks, checkcnt, EV_CHECK);	913	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
817		914
818	call_pending ();	915	call_pending (EV_A);
		916	printf ("activecnt %d\n", activecnt);//D
819	}	917	}
820	while (!ev_loop_done);	918	while (activecnt && !loop_done);
821		919
822	if (ev_loop_done != 2)	920	if (loop_done != 2)
823	ev_loop_done = 0;	921	loop_done = 0;
		922	}
		923
		924	void
		925	ev_unloop (EV_P_ int how)
		926	{
		927	loop_done = how;
824	}	928	}
825		929
826	/*****************************************************************************/	930	/*****************************************************************************/
827		931
828	static void	932	inline void
829	wlist_add (WL *head, WL elem)	933	wlist_add (WL *head, WL elem)
830	{	934	{
831	elem->next = *head;	935	elem->next = *head;
832	*head = elem;	936	*head = elem;
833	}	937	}
834		938
835	static void	939	inline void
836	wlist_del (WL *head, WL elem)	940	wlist_del (WL *head, WL elem)
837	{	941	{
838	while (*head)	942	while (*head)
839	{	943	{
840	if (*head == elem)	944	if (*head == elem)
…		…
845		949
846	head = &(*head)->next;	950	head = &(*head)->next;
847	}	951	}
848	}	952	}
849		953
850	static void	954	inline void
851	ev_clear_pending (W w)	955	ev_clear_pending (EV_P_ W w)
852	{	956	{
853	if (w->pending)	957	if (w->pending)
854	{	958	{
855	pendings [ABSPRI (w)][w->pending - 1].w = 0;	959	pendings [ABSPRI (w)][w->pending - 1].w = 0;
856	w->pending = 0;	960	w->pending = 0;
857	}	961	}
858	}	962	}
859		963
860	static void	964	inline void
861	ev_start (W w, int active)	965	ev_start (EV_P_ W w, int active)
862	{	966	{
		967	if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;
		968	if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
		969
863	w->active = active;	970	w->active = active;
		971	ev_ref (EV_A);
864	}	972	}
865		973
866	static void	974	inline void
867	ev_stop (W w)	975	ev_stop (EV_P_ W w)
868	{	976	{
		977	ev_unref (EV_A);
869	w->active = 0;	978	w->active = 0;
870	}	979	}
871		980
872	/*****************************************************************************/	981	/*****************************************************************************/
873		982
874	void	983	void
875	ev_io_start (struct ev_io *w)	984	ev_io_start (EV_P_ struct ev_io *w)
876	{	985	{
877	int fd = w->fd;	986	int fd = w->fd;
878		987
879	if (ev_is_active (w))	988	if (ev_is_active (w))
880	return;	989	return;
881		990
882	assert (("ev_io_start called with negative fd", fd >= 0));	991	assert (("ev_io_start called with negative fd", fd >= 0));
883		992
884	ev_start ((W)w, 1);	993	ev_start (EV_A_ (W)w, 1);
885	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	994	array_needsize (anfds, anfdmax, fd + 1, anfds_init);
886	wlist_add ((WL *)&anfds[fd].head, (WL)w);	995	wlist_add ((WL *)&anfds[fd].head, (WL)w);
887		996
888	fd_change (fd);	997	fd_change (EV_A_ fd);
889	}	998	}
890		999
891	void	1000	void
892	ev_io_stop (struct ev_io *w)	1001	ev_io_stop (EV_P_ struct ev_io *w)
893	{	1002	{
894	ev_clear_pending ((W)w);	1003	ev_clear_pending (EV_A_ (W)w);
895	if (!ev_is_active (w))	1004	if (!ev_is_active (w))
896	return;	1005	return;
897		1006
898	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1007	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
899	ev_stop ((W)w);	1008	ev_stop (EV_A_ (W)w);
900		1009
901	fd_change (w->fd);	1010	fd_change (EV_A_ w->fd);
902	}	1011	}
903		1012
904	void	1013	void
905	ev_timer_start (struct ev_timer *w)	1014	ev_timer_start (EV_P_ struct ev_timer *w)
906	{	1015	{
907	if (ev_is_active (w))	1016	if (ev_is_active (w))
908	return;	1017	return;
909		1018
910	w->at += now;	1019	w->at += mn_now;
911		1020
912	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.));
913		1022
914	ev_start ((W)w, ++timercnt);	1023	ev_start (EV_A_ (W)w, ++timercnt);
915	array_needsize (timers, timermax, timercnt, );	1024	array_needsize (timers, timermax, timercnt, );
916	timers [timercnt - 1] = w;	1025	timers [timercnt - 1] = w;
917	upheap ((WT *)timers, timercnt - 1);	1026	upheap ((WT *)timers, timercnt - 1);
918	}	1027	}
919		1028
920	void	1029	void
921	ev_timer_stop (struct ev_timer *w)	1030	ev_timer_stop (EV_P_ struct ev_timer *w)
922	{	1031	{
923	ev_clear_pending ((W)w);	1032	ev_clear_pending (EV_A_ (W)w);
924	if (!ev_is_active (w))	1033	if (!ev_is_active (w))
925	return;	1034	return;
926		1035
927	if (w->active < timercnt--)	1036	if (w->active < timercnt--)
928	{	1037	{
…		…
930	downheap ((WT *)timers, timercnt, w->active - 1);	1039	downheap ((WT *)timers, timercnt, w->active - 1);
931	}	1040	}
932		1041
933	w->at = w->repeat;	1042	w->at = w->repeat;
934		1043
935	ev_stop ((W)w);	1044	ev_stop (EV_A_ (W)w);
936	}	1045	}
937		1046
938	void	1047	void
939	ev_timer_again (struct ev_timer *w)	1048	ev_timer_again (EV_P_ struct ev_timer *w)
940	{	1049	{
941	if (ev_is_active (w))	1050	if (ev_is_active (w))
942	{	1051	{
943	if (w->repeat)	1052	if (w->repeat)
944	{	1053	{
945	w->at = now + w->repeat;	1054	w->at = mn_now + w->repeat;
946	downheap ((WT *)timers, timercnt, w->active - 1);	1055	downheap ((WT *)timers, timercnt, w->active - 1);
947	}	1056	}
948	else	1057	else
949	ev_timer_stop (w);	1058	ev_timer_stop (EV_A_ w);
950	}	1059	}
951	else if (w->repeat)	1060	else if (w->repeat)
952	ev_timer_start (w);	1061	ev_timer_start (EV_A_ w);
953	}	1062	}
954		1063
955	void	1064	void
956	ev_periodic_start (struct ev_periodic *w)	1065	ev_periodic_start (EV_P_ struct ev_periodic *w)
957	{	1066	{
958	if (ev_is_active (w))	1067	if (ev_is_active (w))
959	return;	1068	return;
960		1069
961	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.));
962		1071
963	/* 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 */
964	if (w->interval)	1073	if (w->interval)
965	w->at += ceil ((ev_now - w->at) / w->interval) * w->interval;	1074	w->at += ceil ((rt_now - w->at) / w->interval) * w->interval;
966		1075
967	ev_start ((W)w, ++periodiccnt);	1076	ev_start (EV_A_ (W)w, ++periodiccnt);
968	array_needsize (periodics, periodicmax, periodiccnt, );	1077	array_needsize (periodics, periodicmax, periodiccnt, );
969	periodics [periodiccnt - 1] = w;	1078	periodics [periodiccnt - 1] = w;
970	upheap ((WT *)periodics, periodiccnt - 1);	1079	upheap ((WT *)periodics, periodiccnt - 1);
971	}	1080	}
972		1081
973	void	1082	void
974	ev_periodic_stop (struct ev_periodic *w)	1083	ev_periodic_stop (EV_P_ struct ev_periodic *w)
975	{	1084	{
976	ev_clear_pending ((W)w);	1085	ev_clear_pending (EV_A_ (W)w);
977	if (!ev_is_active (w))	1086	if (!ev_is_active (w))
978	return;	1087	return;
979		1088
980	if (w->active < periodiccnt--)	1089	if (w->active < periodiccnt--)
981	{	1090	{
982	periodics [w->active - 1] = periodics [periodiccnt];	1091	periodics [w->active - 1] = periodics [periodiccnt];
983	downheap ((WT *)periodics, periodiccnt, w->active - 1);	1092	downheap ((WT *)periodics, periodiccnt, w->active - 1);
984	}	1093	}
985		1094
986	ev_stop ((W)w);	1095	ev_stop (EV_A_ (W)w);
987	}	1096	}
988		1097
		1098	#ifndef SA_RESTART
		1099	# define SA_RESTART 0
		1100	#endif
		1101
989	void	1102	void
990	ev_signal_start (struct ev_signal *w)	1103	ev_signal_start (EV_P_ struct ev_signal *w)
991	{	1104	{
992	if (ev_is_active (w))	1105	if (ev_is_active (w))
993	return;	1106	return;
994		1107
995	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));
996		1109
997	ev_start ((W)w, 1);	1110	ev_start (EV_A_ (W)w, 1);
998	array_needsize (signals, signalmax, w->signum, signals_init);	1111	array_needsize (signals, signalmax, w->signum, signals_init);
999	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1112	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1000		1113
1001	if (!w->next)	1114	if (!w->next)
1002	{	1115	{
1003	struct sigaction sa;	1116	struct sigaction sa;
1004	sa.sa_handler = sighandler;	1117	sa.sa_handler = sighandler;
1005	sigfillset (&sa.sa_mask);	1118	sigfillset (&sa.sa_mask);
1006	sa.sa_flags = 0;	1119	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1007	sigaction (w->signum, &sa, 0);	1120	sigaction (w->signum, &sa, 0);
1008	}	1121	}
1009	}	1122	}
1010		1123
1011	void	1124	void
1012	ev_signal_stop (struct ev_signal *w)	1125	ev_signal_stop (EV_P_ struct ev_signal *w)
1013	{	1126	{
1014	ev_clear_pending ((W)w);	1127	ev_clear_pending (EV_A_ (W)w);
1015	if (!ev_is_active (w))	1128	if (!ev_is_active (w))
1016	return;	1129	return;
1017		1130
1018	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1131	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1019	ev_stop ((W)w);	1132	ev_stop (EV_A_ (W)w);
1020		1133
1021	if (!signals [w->signum - 1].head)	1134	if (!signals [w->signum - 1].head)
1022	signal (w->signum, SIG_DFL);	1135	signal (w->signum, SIG_DFL);
1023	}	1136	}
1024		1137
1025	void	1138	void
1026	ev_idle_start (struct ev_idle *w)	1139	ev_idle_start (EV_P_ struct ev_idle *w)
1027	{	1140	{
1028	if (ev_is_active (w))	1141	if (ev_is_active (w))
1029	return;	1142	return;
1030		1143
1031	ev_start ((W)w, ++idlecnt);	1144	ev_start (EV_A_ (W)w, ++idlecnt);
1032	array_needsize (idles, idlemax, idlecnt, );	1145	array_needsize (idles, idlemax, idlecnt, );
1033	idles [idlecnt - 1] = w;	1146	idles [idlecnt - 1] = w;
1034	}	1147	}
1035		1148
1036	void	1149	void
1037	ev_idle_stop (struct ev_idle *w)	1150	ev_idle_stop (EV_P_ struct ev_idle *w)
1038	{	1151	{
1039	ev_clear_pending ((W)w);	1152	ev_clear_pending (EV_A_ (W)w);
1040	if (ev_is_active (w))	1153	if (ev_is_active (w))
1041	return;	1154	return;
1042		1155
1043	idles [w->active - 1] = idles [--idlecnt];	1156	idles [w->active - 1] = idles [--idlecnt];
1044	ev_stop ((W)w);	1157	ev_stop (EV_A_ (W)w);
1045	}	1158	}
1046		1159
1047	void	1160	void
1048	ev_prepare_start (struct ev_prepare *w)	1161	ev_prepare_start (EV_P_ struct ev_prepare *w)
1049	{	1162	{
1050	if (ev_is_active (w))	1163	if (ev_is_active (w))
1051	return;	1164	return;
1052		1165
1053	ev_start ((W)w, ++preparecnt);	1166	ev_start (EV_A_ (W)w, ++preparecnt);
1054	array_needsize (prepares, preparemax, preparecnt, );	1167	array_needsize (prepares, preparemax, preparecnt, );
1055	prepares [preparecnt - 1] = w;	1168	prepares [preparecnt - 1] = w;
1056	}	1169	}
1057		1170
1058	void	1171	void
1059	ev_prepare_stop (struct ev_prepare *w)	1172	ev_prepare_stop (EV_P_ struct ev_prepare *w)
1060	{	1173	{
1061	ev_clear_pending ((W)w);	1174	ev_clear_pending (EV_A_ (W)w);
1062	if (ev_is_active (w))	1175	if (ev_is_active (w))
1063	return;	1176	return;
1064		1177
1065	prepares [w->active - 1] = prepares [--preparecnt];	1178	prepares [w->active - 1] = prepares [--preparecnt];
1066	ev_stop ((W)w);	1179	ev_stop (EV_A_ (W)w);
1067	}	1180	}
1068		1181
1069	void	1182	void
1070	ev_check_start (struct ev_check *w)	1183	ev_check_start (EV_P_ struct ev_check *w)
1071	{	1184	{
1072	if (ev_is_active (w))	1185	if (ev_is_active (w))
1073	return;	1186	return;
1074		1187
1075	ev_start ((W)w, ++checkcnt);	1188	ev_start (EV_A_ (W)w, ++checkcnt);
1076	array_needsize (checks, checkmax, checkcnt, );	1189	array_needsize (checks, checkmax, checkcnt, );
1077	checks [checkcnt - 1] = w;	1190	checks [checkcnt - 1] = w;
1078	}	1191	}
1079		1192
1080	void	1193	void
1081	ev_check_stop (struct ev_check *w)	1194	ev_check_stop (EV_P_ struct ev_check *w)
1082	{	1195	{
1083	ev_clear_pending ((W)w);	1196	ev_clear_pending (EV_A_ (W)w);
1084	if (ev_is_active (w))	1197	if (ev_is_active (w))
1085	return;	1198	return;
1086		1199
1087	checks [w->active - 1] = checks [--checkcnt];	1200	checks [w->active - 1] = checks [--checkcnt];
1088	ev_stop ((W)w);	1201	ev_stop (EV_A_ (W)w);
1089	}	1202	}
1090		1203
1091	void	1204	void
1092	ev_child_start (struct ev_child *w)	1205	ev_child_start (EV_P_ struct ev_child *w)
1093	{	1206	{
1094	if (ev_is_active (w))	1207	if (ev_is_active (w))
1095	return;	1208	return;
1096		1209
1097	ev_start ((W)w, 1);	1210	ev_start (EV_A_ (W)w, 1);
1098	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1211	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1099	}	1212	}
1100		1213
1101	void	1214	void
1102	ev_child_stop (struct ev_child *w)	1215	ev_child_stop (EV_P_ struct ev_child *w)
1103	{	1216	{
1104	ev_clear_pending ((W)w);	1217	ev_clear_pending (EV_A_ (W)w);
1105	if (ev_is_active (w))	1218	if (ev_is_active (w))
1106	return;	1219	return;
1107		1220
1108	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1221	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1109	ev_stop ((W)w);	1222	ev_stop (EV_A_ (W)w);
1110	}	1223	}
1111		1224
1112	/*****************************************************************************/	1225	/*****************************************************************************/
1113		1226
1114	struct ev_once	1227	struct ev_once
…		…
1118	void (cb)(int revents, void arg);	1231	void (cb)(int revents, void arg);
1119	void *arg;	1232	void *arg;
1120	};	1233	};
1121		1234
1122	static void	1235	static void
1123	once_cb (struct ev_once *once, int revents)	1236	once_cb (EV_P_ struct ev_once *once, int revents)
1124	{	1237	{
1125	void (cb)(int revents, void arg) = once->cb;	1238	void (cb)(int revents, void arg) = once->cb;
1126	void *arg = once->arg;	1239	void *arg = once->arg;
1127		1240
1128	ev_io_stop (&once->io);	1241	ev_io_stop (EV_A_ &once->io);
1129	ev_timer_stop (&once->to);	1242	ev_timer_stop (EV_A_ &once->to);
1130	free (once);	1243	free (once);
1131		1244
1132	cb (revents, arg);	1245	cb (revents, arg);
1133	}	1246	}
1134		1247
1135	static void	1248	static void
1136	once_cb_io (struct ev_io *w, int revents)	1249	once_cb_io (EV_P_ struct ev_io *w, int revents)
1137	{	1250	{
1138	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);
1139	}	1252	}
1140		1253
1141	static void	1254	static void
1142	once_cb_to (struct ev_timer *w, int revents)	1255	once_cb_to (EV_P_ struct ev_timer *w, int revents)
1143	{	1256	{
1144	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);
1145	}	1258	}
1146		1259
1147	void	1260	void
1148	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)
1149	{	1262	{
1150	struct ev_once *once = malloc (sizeof (struct ev_once));	1263	struct ev_once *once = malloc (sizeof (struct ev_once));
1151		1264
1152	if (!once)	1265	if (!once)
1153	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1266	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
…		…
1158		1271
1159	ev_watcher_init (&once->io, once_cb_io);	1272	ev_watcher_init (&once->io, once_cb_io);
1160	if (fd >= 0)	1273	if (fd >= 0)
1161	{	1274	{
1162	ev_io_set (&once->io, fd, events);	1275	ev_io_set (&once->io, fd, events);
1163	ev_io_start (&once->io);	1276	ev_io_start (EV_A_ &once->io);
1164	}	1277	}
1165		1278
1166	ev_watcher_init (&once->to, once_cb_to);	1279	ev_watcher_init (&once->to, once_cb_to);
1167	if (timeout >= 0.)	1280	if (timeout >= 0.)
1168	{	1281	{
1169	ev_timer_set (&once->to, timeout, 0.);	1282	ev_timer_set (&once->to, timeout, 0.);
1170	ev_timer_start (&once->to);	1283	ev_timer_start (EV_A_ &once->to);
1171	}	1284	}
1172	}	1285	}
1173	}	1286	}
1174		1287
1175	/*****************************************************************************/	1288	/*****************************************************************************/

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Comparing libev/ev.c (file contents): Revision 1.42 by root, Fri Nov 2 20:05:05 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 1.42 by root, Fri Nov 2 20:05:05 2007 UTC vs.
Revision 1.51 by root, Sat Nov 3 21:58:51 2007 UTC