[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 1.80 by root, Fri Nov 9 15:30:59 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
		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>
38	#include <fcntl.h>	59	#include <fcntl.h>
39	#include <signal.h>
40	#include <stddef.h>	60	#include <stddef.h>
41		61
42	#include <stdio.h>	62	#include <stdio.h>
43		63
44	#include <assert.h>	64	#include <assert.h>
45	#include <errno.h>	65	#include <errno.h>
46	#include <sys/types.h>	66	#include <sys/types.h>
		67	#include <time.h>
		68
		69	#include <signal.h>
		70
47	#ifndef WIN32	71	#ifndef WIN32
		72	# include <unistd.h>
		73	# include <sys/time.h>
48	# include <sys/wait.h>	74	# include <sys/wait.h>
49	#endif	75	#endif
50	#include <sys/time.h>
51	#include <time.h>
52
53	/**/	76	/**/
54		77
55	#ifndef EV_USE_MONOTONIC	78	#ifndef EV_USE_MONOTONIC
56	# define EV_USE_MONOTONIC 1	79	# define EV_USE_MONOTONIC 1
57	#endif	80	#endif
…		…
68	# define EV_USE_EPOLL 0	91	# define EV_USE_EPOLL 0
69	#endif	92	#endif
70		93
71	#ifndef EV_USE_KQUEUE	94	#ifndef EV_USE_KQUEUE
72	# define EV_USE_KQUEUE 0	95	# define EV_USE_KQUEUE 0
		96	#endif
		97
		98	#ifndef EV_USE_WIN32
		99	# ifdef WIN32
		100	# define EV_USE_WIN32 0 /* it does not exist, use select */
		101	# undef EV_USE_SELECT
		102	# define EV_USE_SELECT 1
		103	# else
		104	# define EV_USE_WIN32 0
		105	# endif
73	#endif	106	#endif
74		107
75	#ifndef EV_USE_REALTIME	108	#ifndef EV_USE_REALTIME
76	# define EV_USE_REALTIME 1	109	# define EV_USE_REALTIME 1
77	#endif	110	#endif
…		…
113		146
114	typedef struct ev_watcher *W;	147	typedef struct ev_watcher *W;
115	typedef struct ev_watcher_list *WL;	148	typedef struct ev_watcher_list *WL;
116	typedef struct ev_watcher_time *WT;	149	typedef struct ev_watcher_time *WT;
117		150
118	static ev_tstamp now_floor, now, diff; /* monotonic clock */	151	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
119	ev_tstamp ev_now;
120	int ev_method;
121		152
122	static int have_monotonic; /* runtime */	153	#include "ev_win32.c"
123
124	static ev_tstamp method_fudge; /* stupid epoll-returns-early bug */
125	static void (*method_modify)(int fd, int oev, int nev);
126	static void (*method_poll)(ev_tstamp timeout);
127		154
128	/*****************************************************************************/	155	/*****************************************************************************/
129		156
130	ev_tstamp	157	static void (syserr_cb)(const char msg);
		158
		159	void ev_set_syserr_cb (void (cb)(const char msg))
		160	{
		161	syserr_cb = cb;
		162	}
		163
		164	static void
		165	syserr (const char *msg)
		166	{
		167	if (!msg)
		168	msg = "(libev) system error";
		169
		170	if (syserr_cb)
		171	syserr_cb (msg);
		172	else
		173	{
		174	perror (msg);
		175	abort ();
		176	}
		177	}
		178
		179	static void (alloc)(void *ptr, long size);
		180
		181	void ev_set_allocator (void (cb)(void *ptr, long size))
		182	{
		183	alloc = cb;
		184	}
		185
		186	static void *
		187	ev_realloc (void *ptr, long size)
		188	{
		189	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
		190
		191	if (!ptr && size)
		192	{
		193	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
		194	abort ();
		195	}
		196
		197	return ptr;
		198	}
		199
		200	#define ev_malloc(size) ev_realloc (0, (size))
		201	#define ev_free(ptr) ev_realloc ((ptr), 0)
		202
		203	/*****************************************************************************/
		204
		205	typedef struct
		206	{
		207	WL head;
		208	unsigned char events;
		209	unsigned char reify;
		210	} ANFD;
		211
		212	typedef struct
		213	{
		214	W w;
		215	int events;
		216	} ANPENDING;
		217
		218	#if EV_MULTIPLICITY
		219
		220	struct ev_loop
		221	{
		222	#define VAR(name,decl) decl;
		223	#include "ev_vars.h"
		224	#undef VAR
		225	};
		226	#include "ev_wrap.h"
		227
		228	struct ev_loop default_loop_struct;
		229	static struct ev_loop *default_loop;
		230
		231	#else
		232
		233	#define VAR(name,decl) static decl;
		234	#include "ev_vars.h"
		235	#undef VAR
		236
		237	static int default_loop;
		238
		239	#endif
		240
		241	/*****************************************************************************/
		242
		243	inline ev_tstamp
131	ev_time (void)	244	ev_time (void)
132	{	245	{
133	#if EV_USE_REALTIME	246	#if EV_USE_REALTIME
134	struct timespec ts;	247	struct timespec ts;
135	clock_gettime (CLOCK_REALTIME, &ts);	248	clock_gettime (CLOCK_REALTIME, &ts);
…		…
139	gettimeofday (&tv, 0);	252	gettimeofday (&tv, 0);
140	return tv.tv_sec + tv.tv_usec * 1e-6;	253	return tv.tv_sec + tv.tv_usec * 1e-6;
141	#endif	254	#endif
142	}	255	}
143		256
144	static ev_tstamp	257	inline ev_tstamp
145	get_clock (void)	258	get_clock (void)
146	{	259	{
147	#if EV_USE_MONOTONIC	260	#if EV_USE_MONOTONIC
148	if (expect_true (have_monotonic))	261	if (expect_true (have_monotonic))
149	{	262	{
…		…
154	#endif	267	#endif
155		268
156	return ev_time ();	269	return ev_time ();
157	}	270	}
158		271
		272	ev_tstamp
		273	ev_now (EV_P)
		274	{
		275	return rt_now;
		276	}
		277
159	#define array_roundsize(base,n) ((n) \| 4 & ~3)	278	#define array_roundsize(type,n) ((n) \| 4 & ~3)
160		279
161	#define array_needsize(base,cur,cnt,init) \	280	#define array_needsize(type,base,cur,cnt,init) \
162	if (expect_false ((cnt) > cur)) \	281	if (expect_false ((cnt) > cur)) \
163	{ \	282	{ \
164	int newcnt = cur; \	283	int newcnt = cur; \
165	do \	284	do \
166	{ \	285	{ \
167	newcnt = array_roundsize (base, newcnt << 1); \	286	newcnt = array_roundsize (type, newcnt << 1); \
168	} \	287	} \
169	while ((cnt) > newcnt); \	288	while ((cnt) > newcnt); \
170	\	289	\
171	base = realloc (base, sizeof (base) (newcnt)); \	290	base = (type )ev_realloc (base, sizeof (type) (newcnt));\
172	init (base + cur, newcnt - cur); \	291	init (base + cur, newcnt - cur); \
173	cur = newcnt; \	292	cur = newcnt; \
174	}	293	}
		294
		295	#define array_slim(type,stem) \
		296	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
		297	{ \
		298	stem ## max = array_roundsize (stem ## cnt >> 1); \
		299	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
		300	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
		301	}
		302
		303	/* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */
		304	/* bringing us everlasting joy in form of stupid extra macros that are not required in C */
		305	#define array_free_microshit(stem) \
		306	ev_free (stem ## s); stem ## cnt = stem ## max = 0;
		307
		308	#define array_free(stem, idx) \
		309	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
175		310
176	/*****************************************************************************/	311	/*****************************************************************************/
177
178	typedef struct
179	{
180	struct ev_io *head;
181	unsigned char events;
182	unsigned char reify;
183	} ANFD;
184
185	static ANFD *anfds;
186	static int anfdmax;
187		312
188	static void	313	static void
189	anfds_init (ANFD *base, int count)	314	anfds_init (ANFD *base, int count)
190	{	315	{
191	while (count--)	316	while (count--)
…		…
196		321
197	++base;	322	++base;
198	}	323	}
199	}	324	}
200		325
201	typedef struct	326	void
		327	ev_feed_event (EV_P_ void *w, int revents)
202	{	328	{
203	W w;	329	W w_ = (W)w;
204	int events;
205	} ANPENDING;
206		330
207	static ANPENDING *pendings [NUMPRI];
208	static int pendingmax [NUMPRI], pendingcnt [NUMPRI];
209
210	static void
211	event (W w, int events)
212	{
213	if (w->pending)	331	if (w_->pending)
214	{	332	{
215	pendings [ABSPRI (w)][w->pending - 1].events \|= events;	333	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
216	return;	334	return;
217	}	335	}
218		336
219	w->pending = ++pendingcnt [ABSPRI (w)];	337	w_->pending = ++pendingcnt [ABSPRI (w_)];
220	array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], );	338	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void));
221	pendings [ABSPRI (w)][w->pending - 1].w = w;	339	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
222	pendings [ABSPRI (w)][w->pending - 1].events = events;	340	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
223	}	341	}
224		342
225	static void	343	static void
226	queue_events (W *events, int eventcnt, int type)	344	queue_events (EV_P_ W *events, int eventcnt, int type)
227	{	345	{
228	int i;	346	int i;
229		347
230	for (i = 0; i < eventcnt; ++i)	348	for (i = 0; i < eventcnt; ++i)
231	event (events [i], type);	349	ev_feed_event (EV_A_ events [i], type);
232	}	350	}
233		351
234	static void	352	inline void
235	fd_event (int fd, int events)	353	fd_event (EV_P_ int fd, int revents)
236	{	354	{
237	ANFD *anfd = anfds + fd;	355	ANFD *anfd = anfds + fd;
238	struct ev_io *w;	356	struct ev_io *w;
239		357
240	for (w = anfd->head; w; w = w->next)	358	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
241	{	359	{
242	int ev = w->events & events;	360	int ev = w->events & revents;
243		361
244	if (ev)	362	if (ev)
245	event ((W)w, ev);	363	ev_feed_event (EV_A_ (W)w, ev);
246	}	364	}
		365	}
		366
		367	void
		368	ev_feed_fd_event (EV_P_ int fd, int revents)
		369	{
		370	fd_event (EV_A_ fd, revents);
247	}	371	}
248		372
249	/*****************************************************************************/	373	/*****************************************************************************/
250		374
251	static int *fdchanges;
252	static int fdchangemax, fdchangecnt;
253
254	static void	375	static void
255	fd_reify (void)	376	fd_reify (EV_P)
256	{	377	{
257	int i;	378	int i;
258		379
259	for (i = 0; i < fdchangecnt; ++i)	380	for (i = 0; i < fdchangecnt; ++i)
260	{	381	{
…		…
262	ANFD *anfd = anfds + fd;	383	ANFD *anfd = anfds + fd;
263	struct ev_io *w;	384	struct ev_io *w;
264		385
265	int events = 0;	386	int events = 0;
266		387
267	for (w = anfd->head; w; w = w->next)	388	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
268	events \|= w->events;	389	events \|= w->events;
269		390
270	anfd->reify = 0;	391	anfd->reify = 0;
271		392
272	if (anfd->events != events)
273	{
274	method_modify (fd, anfd->events, events);	393	method_modify (EV_A_ fd, anfd->events, events);
275	anfd->events = events;	394	anfd->events = events;
276	}
277	}	395	}
278		396
279	fdchangecnt = 0;	397	fdchangecnt = 0;
280	}	398	}
281		399
282	static void	400	static void
283	fd_change (int fd)	401	fd_change (EV_P_ int fd)
284	{	402	{
285	if (anfds [fd].reify \|\| fdchangecnt < 0)	403	if (anfds [fd].reify)
286	return;	404	return;
287		405
288	anfds [fd].reify = 1;	406	anfds [fd].reify = 1;
289		407
290	++fdchangecnt;	408	++fdchangecnt;
291	array_needsize (fdchanges, fdchangemax, fdchangecnt, );	409	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void));
292	fdchanges [fdchangecnt - 1] = fd;	410	fdchanges [fdchangecnt - 1] = fd;
293	}	411	}
294		412
295	static void	413	static void
296	fd_kill (int fd)	414	fd_kill (EV_P_ int fd)
297	{	415	{
298	struct ev_io *w;	416	struct ev_io *w;
299		417
300	printf ("killing fd %d\n", fd);//D
301	while ((w = anfds [fd].head))	418	while ((w = (struct ev_io *)anfds [fd].head))
302	{	419	{
303	ev_io_stop (w);	420	ev_io_stop (EV_A_ w);
304	event ((W)w, EV_ERROR \| EV_READ \| EV_WRITE);	421	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
305	}	422	}
		423	}
		424
		425	static int
		426	fd_valid (int fd)
		427	{
		428	#ifdef WIN32
		429	return !!win32_get_osfhandle (fd);
		430	#else
		431	return fcntl (fd, F_GETFD) != -1;
		432	#endif
306	}	433	}
307		434
308	/* called on EBADF to verify fds */	435	/* called on EBADF to verify fds */
309	static void	436	static void
310	fd_ebadf (void)	437	fd_ebadf (EV_P)
311	{	438	{
312	int fd;	439	int fd;
313		440
314	for (fd = 0; fd < anfdmax; ++fd)	441	for (fd = 0; fd < anfdmax; ++fd)
315	if (anfds [fd].events)	442	if (anfds [fd].events)
316	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)	443	if (!fd_valid (fd) == -1 && errno == EBADF)
317	fd_kill (fd);	444	fd_kill (EV_A_ fd);
318	}	445	}
319		446
320	/* called on ENOMEM in select/poll to kill some fds and retry */	447	/* called on ENOMEM in select/poll to kill some fds and retry */
321	static void	448	static void
322	fd_enomem (void)	449	fd_enomem (EV_P)
323	{	450	{
324	int fd = anfdmax;	451	int fd;
325		452
326	while (fd--)	453	for (fd = anfdmax; fd--; )
327	if (anfds [fd].events)	454	if (anfds [fd].events)
328	{	455	{
329	close (fd);
330	fd_kill (fd);	456	fd_kill (EV_A_ fd);
331	return;	457	return;
332	}	458	}
333	}	459	}
334		460
		461	/* usually called after fork if method needs to re-arm all fds from scratch */
		462	static void
		463	fd_rearm_all (EV_P)
		464	{
		465	int fd;
		466
		467	/* this should be highly optimised to not do anything but set a flag */
		468	for (fd = 0; fd < anfdmax; ++fd)
		469	if (anfds [fd].events)
		470	{
		471	anfds [fd].events = 0;
		472	fd_change (EV_A_ fd);
		473	}
		474	}
		475
335	/*****************************************************************************/	476	/*****************************************************************************/
336		477
337	static struct ev_timer **timers;
338	static int timermax, timercnt;
339
340	static struct ev_periodic **periodics;
341	static int periodicmax, periodiccnt;
342
343	static void	478	static void
344	upheap (WT *timers, int k)	479	upheap (WT *heap, int k)
345	{	480	{
346	WT w = timers [k];	481	WT w = heap [k];
347		482
348	while (k && timers [k >> 1]->at > w->at)	483	while (k && heap [k >> 1]->at > w->at)
349	{	484	{
350	timers [k] = timers [k >> 1];	485	heap [k] = heap [k >> 1];
351	timers [k]->active = k + 1;	486	((W)heap [k])->active = k + 1;
352	k >>= 1;	487	k >>= 1;
353	}	488	}
354		489
355	timers [k] = w;	490	heap [k] = w;
356	timers [k]->active = k + 1;	491	((W)heap [k])->active = k + 1;
357		492
358	}	493	}
359		494
360	static void	495	static void
361	downheap (WT *timers, int N, int k)	496	downheap (WT *heap, int N, int k)
362	{	497	{
363	WT w = timers [k];	498	WT w = heap [k];
364		499
365	while (k < (N >> 1))	500	while (k < (N >> 1))
366	{	501	{
367	int j = k << 1;	502	int j = k << 1;
368		503
369	if (j + 1 < N && timers [j]->at > timers [j + 1]->at)	504	if (j + 1 < N && heap [j]->at > heap [j + 1]->at)
370	++j;	505	++j;
371		506
372	if (w->at <= timers [j]->at)	507	if (w->at <= heap [j]->at)
373	break;	508	break;
374		509
375	timers [k] = timers [j];	510	heap [k] = heap [j];
376	timers [k]->active = k + 1;	511	((W)heap [k])->active = k + 1;
377	k = j;	512	k = j;
378	}	513	}
379		514
380	timers [k] = w;	515	heap [k] = w;
381	timers [k]->active = k + 1;	516	((W)heap [k])->active = k + 1;
382	}	517	}
383		518
384	/*****************************************************************************/	519	/*****************************************************************************/
385		520
386	typedef struct	521	typedef struct
387	{	522	{
388	struct ev_signal *head;	523	WL head;
389	sig_atomic_t volatile gotsig;	524	sig_atomic_t volatile gotsig;
390	} ANSIG;	525	} ANSIG;
391		526
392	static ANSIG *signals;	527	static ANSIG *signals;
393	static int signalmax;	528	static int signalmax;
…		…
409	}	544	}
410		545
411	static void	546	static void
412	sighandler (int signum)	547	sighandler (int signum)
413	{	548	{
		549	#if WIN32
		550	signal (signum, sighandler);
		551	#endif
		552
414	signals [signum - 1].gotsig = 1;	553	signals [signum - 1].gotsig = 1;
415		554
416	if (!gotsig)	555	if (!gotsig)
417	{	556	{
		557	int old_errno = errno;
418	gotsig = 1;	558	gotsig = 1;
		559	#ifdef WIN32
		560	send (sigpipe [1], &signum, 1, MSG_DONTWAIT);
		561	#else
419	write (sigpipe [1], &signum, 1);	562	write (sigpipe [1], &signum, 1);
		563	#endif
		564	errno = old_errno;
420	}	565	}
421	}	566	}
422		567
		568	void
		569	ev_feed_signal_event (EV_P_ int signum)
		570	{
		571	WL w;
		572
		573	#if EV_MULTIPLICITY
		574	assert (("feeding signal events is only supported in the default loop", loop == default_loop));
		575	#endif
		576
		577	--signum;
		578
		579	if (signum < 0 \|\| signum >= signalmax)
		580	return;
		581
		582	signals [signum].gotsig = 0;
		583
		584	for (w = signals [signum].head; w; w = w->next)
		585	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
		586	}
		587
423	static void	588	static void
424	sigcb (struct ev_io *iow, int revents)	589	sigcb (EV_P_ struct ev_io *iow, int revents)
425	{	590	{
426	struct ev_signal *w;
427	int signum;	591	int signum;
428		592
		593	#ifdef WIN32
		594	recv (sigpipe [0], &revents, 1, MSG_DONTWAIT);
		595	#else
429	read (sigpipe [0], &revents, 1);	596	read (sigpipe [0], &revents, 1);
		597	#endif
430	gotsig = 0;	598	gotsig = 0;
431		599
432	for (signum = signalmax; signum--; )	600	for (signum = signalmax; signum--; )
433	if (signals [signum].gotsig)	601	if (signals [signum].gotsig)
434	{	602	ev_feed_signal_event (EV_A_ signum + 1);
435	signals [signum].gotsig = 0;
436
437	for (w = signals [signum].head; w; w = w->next)
438	event ((W)w, EV_SIGNAL);
439	}
440	}	603	}
441		604
442	static void	605	static void
443	siginit (void)	606	siginit (EV_P)
444	{	607	{
445	#ifndef WIN32	608	#ifndef WIN32
446	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	609	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);
447	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);	610	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
448		611
…		…
450	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);	613	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
451	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);	614	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
452	#endif	615	#endif
453		616
454	ev_io_set (&sigev, sigpipe [0], EV_READ);	617	ev_io_set (&sigev, sigpipe [0], EV_READ);
455	ev_io_start (&sigev);	618	ev_io_start (EV_A_ &sigev);
		619	ev_unref (EV_A); /* child watcher should not keep loop alive */
456	}	620	}
457		621
458	/*****************************************************************************/	622	/*****************************************************************************/
459		623
460	static struct ev_idle **idles;
461	static int idlemax, idlecnt;
462
463	static struct ev_prepare **prepares;
464	static int preparemax, preparecnt;
465
466	static struct ev_check **checks;
467	static int checkmax, checkcnt;
468
469	/*****************************************************************************/
470
471	static struct ev_child *childs [PID_HASHSIZE];	624	static struct ev_child *childs [PID_HASHSIZE];
		625
		626	#ifndef WIN32
		627
472	static struct ev_signal childev;	628	static struct ev_signal childev;
473
474	#ifndef WIN32
475		629
476	#ifndef WCONTINUED	630	#ifndef WCONTINUED
477	# define WCONTINUED 0	631	# define WCONTINUED 0
478	#endif	632	#endif
479		633
480	static void	634	static void
481	childcb (struct ev_signal *sw, int revents)	635	child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status)
482	{	636	{
483	struct ev_child *w;	637	struct ev_child *w;
		638
		639	for (w = (struct ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child )((WL)w)->next)
		640	if (w->pid == pid \|\| !w->pid)
		641	{
		642	ev_priority (w) = ev_priority (sw); /* need to do it now */
		643	w->rpid = pid;
		644	w->rstatus = status;
		645	ev_feed_event (EV_A_ (W)w, EV_CHILD);
		646	}
		647	}
		648
		649	static void
		650	childcb (EV_P_ struct ev_signal *sw, int revents)
		651	{
484	int pid, status;	652	int pid, status;
485		653
486	while ((pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)) != -1)	654	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
487	for (w = childs [pid & (PID_HASHSIZE - 1)]; w; w = w->next)	655	{
488	if (w->pid == pid \|\| !w->pid)	656	/* make sure we are called again until all childs have been reaped */
489	{	657	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
490	w->rpid = pid;	658
491	w->rstatus = status;	659	child_reap (EV_A_ sw, pid, pid, status);
492	event ((W)w, EV_CHILD);	660	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
493	}	661	}
494	}	662	}
495		663
496	#endif	664	#endif
497		665
498	/*****************************************************************************/	666	/*****************************************************************************/
…		…
520	ev_version_minor (void)	688	ev_version_minor (void)
521	{	689	{
522	return EV_VERSION_MINOR;	690	return EV_VERSION_MINOR;
523	}	691	}
524		692
525	/* return true if we are running with elevated privileges and ignore env variables */	693	/* return true if we are running with elevated privileges and should ignore env variables */
526	static int	694	static int
527	enable_secure ()	695	enable_secure (void)
528	{	696	{
		697	#ifdef WIN32
		698	return 0;
		699	#else
529	return getuid () != geteuid ()	700	return getuid () != geteuid ()
530	\|\| getgid () != getegid ();	701	\|\| getgid () != getegid ();
		702	#endif
531	}	703	}
532		704
533	int ev_init (int methods)	705	int
		706	ev_method (EV_P)
534	{	707	{
		708	return method;
		709	}
		710
		711	static void
		712	loop_init (EV_P_ int methods)
		713	{
535	if (!ev_method)	714	if (!method)
536	{	715	{
537	#if EV_USE_MONOTONIC	716	#if EV_USE_MONOTONIC
538	{	717	{
539	struct timespec ts;	718	struct timespec ts;
540	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	719	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
541	have_monotonic = 1;	720	have_monotonic = 1;
542	}	721	}
543	#endif	722	#endif
544		723
545	ev_now = ev_time ();	724	rt_now = ev_time ();
546	now = get_clock ();	725	mn_now = get_clock ();
547	now_floor = now;	726	now_floor = mn_now;
548	diff = ev_now - now;	727	rtmn_diff = rt_now - mn_now;
549
550	if (pipe (sigpipe))
551	return 0;
552		728
553	if (methods == EVMETHOD_AUTO)	729	if (methods == EVMETHOD_AUTO)
554	if (!enable_secure () && getenv ("LIBEV_METHODS"))	730	if (!enable_secure () && getenv ("LIBEV_METHODS"))
555	methods = atoi (getenv ("LIBEV_METHODS"));	731	methods = atoi (getenv ("LIBEV_METHODS"));
556	else	732	else
557	methods = EVMETHOD_ANY;	733	methods = EVMETHOD_ANY;
558		734
559	ev_method = 0;	735	method = 0;
		736	#if EV_USE_WIN32
		737	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);
		738	#endif
560	#if EV_USE_KQUEUE	739	#if EV_USE_KQUEUE
561	if (!ev_method && (methods & EVMETHOD_KQUEUE)) kqueue_init (methods);	740	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);
562	#endif	741	#endif
563	#if EV_USE_EPOLL	742	#if EV_USE_EPOLL
564	if (!ev_method && (methods & EVMETHOD_EPOLL )) epoll_init (methods);	743	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);
565	#endif	744	#endif
566	#if EV_USE_POLL	745	#if EV_USE_POLL
567	if (!ev_method && (methods & EVMETHOD_POLL )) poll_init (methods);	746	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);
568	#endif	747	#endif
569	#if EV_USE_SELECT	748	#if EV_USE_SELECT
570	if (!ev_method && (methods & EVMETHOD_SELECT)) select_init (methods);	749	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);
571	#endif	750	#endif
572		751
		752	ev_watcher_init (&sigev, sigcb);
		753	ev_set_priority (&sigev, EV_MAXPRI);
		754	}
		755	}
		756
		757	void
		758	loop_destroy (EV_P)
		759	{
		760	int i;
		761
		762	#if EV_USE_WIN32
		763	if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);
		764	#endif
		765	#if EV_USE_KQUEUE
		766	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
		767	#endif
		768	#if EV_USE_EPOLL
		769	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);
		770	#endif
		771	#if EV_USE_POLL
		772	if (method == EVMETHOD_POLL ) poll_destroy (EV_A);
		773	#endif
		774	#if EV_USE_SELECT
		775	if (method == EVMETHOD_SELECT) select_destroy (EV_A);
		776	#endif
		777
		778	for (i = NUMPRI; i--; )
		779	array_free (pending, [i]);
		780
		781	/* have to use the microsoft-never-gets-it-right macro */
		782	array_free_microshit (fdchange);
		783	array_free_microshit (timer);
		784	array_free_microshit (periodic);
		785	array_free_microshit (idle);
		786	array_free_microshit (prepare);
		787	array_free_microshit (check);
		788
		789	method = 0;
		790	}
		791
		792	static void
		793	loop_fork (EV_P)
		794	{
		795	#if EV_USE_EPOLL
		796	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
		797	#endif
		798	#if EV_USE_KQUEUE
		799	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
		800	#endif
		801
		802	if (ev_is_active (&sigev))
		803	{
		804	/* default loop */
		805
		806	ev_ref (EV_A);
		807	ev_io_stop (EV_A_ &sigev);
		808	close (sigpipe [0]);
		809	close (sigpipe [1]);
		810
		811	while (pipe (sigpipe))
		812	syserr ("(libev) error creating pipe");
		813
		814	siginit (EV_A);
		815	}
		816
		817	postfork = 0;
		818	}
		819
		820	#if EV_MULTIPLICITY
		821	struct ev_loop *
		822	ev_loop_new (int methods)
		823	{
		824	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
		825
		826	memset (loop, 0, sizeof (struct ev_loop));
		827
		828	loop_init (EV_A_ methods);
		829
		830	if (ev_method (EV_A))
		831	return loop;
		832
		833	return 0;
		834	}
		835
		836	void
		837	ev_loop_destroy (EV_P)
		838	{
		839	loop_destroy (EV_A);
		840	ev_free (loop);
		841	}
		842
		843	void
		844	ev_loop_fork (EV_P)
		845	{
		846	postfork = 1;
		847	}
		848
		849	#endif
		850
		851	#if EV_MULTIPLICITY
		852	struct ev_loop *
		853	#else
		854	int
		855	#endif
		856	ev_default_loop (int methods)
		857	{
		858	if (sigpipe [0] == sigpipe [1])
		859	if (pipe (sigpipe))
		860	return 0;
		861
		862	if (!default_loop)
		863	{
		864	#if EV_MULTIPLICITY
		865	struct ev_loop *loop = default_loop = &default_loop_struct;
		866	#else
		867	default_loop = 1;
		868	#endif
		869
		870	loop_init (EV_A_ methods);
		871
573	if (ev_method)	872	if (ev_method (EV_A))
574	{	873	{
575	ev_watcher_init (&sigev, sigcb);
576	siginit ();	874	siginit (EV_A);
577		875
578	#ifndef WIN32	876	#ifndef WIN32
579	ev_signal_init (&childev, childcb, SIGCHLD);	877	ev_signal_init (&childev, childcb, SIGCHLD);
		878	ev_set_priority (&childev, EV_MAXPRI);
580	ev_signal_start (&childev);	879	ev_signal_start (EV_A_ &childev);
		880	ev_unref (EV_A); /* child watcher should not keep loop alive */
581	#endif	881	#endif
582	}	882	}
		883	else
		884	default_loop = 0;
583	}	885	}
584		886
585	return ev_method;	887	return default_loop;
		888	}
		889
		890	void
		891	ev_default_destroy (void)
		892	{
		893	#if EV_MULTIPLICITY
		894	struct ev_loop *loop = default_loop;
		895	#endif
		896
		897	#ifndef WIN32
		898	ev_ref (EV_A); /* child watcher */
		899	ev_signal_stop (EV_A_ &childev);
		900	#endif
		901
		902	ev_ref (EV_A); /* signal watcher */
		903	ev_io_stop (EV_A_ &sigev);
		904
		905	close (sigpipe [0]); sigpipe [0] = 0;
		906	close (sigpipe [1]); sigpipe [1] = 0;
		907
		908	loop_destroy (EV_A);
		909	}
		910
		911	void
		912	ev_default_fork (void)
		913	{
		914	#if EV_MULTIPLICITY
		915	struct ev_loop *loop = default_loop;
		916	#endif
		917
		918	if (method)
		919	postfork = 1;
586	}	920	}
587		921
588	/*****************************************************************************/	922	/*****************************************************************************/
589		923
590	void
591	ev_fork_prepare (void)
592	{
593	/* nop */
594	}
595
596	void
597	ev_fork_parent (void)
598	{
599	/* nop */
600	}
601
602	void
603	ev_fork_child (void)
604	{
605	#if EV_USE_EPOLL
606	if (ev_method == EVMETHOD_EPOLL)
607	epoll_postfork_child ();
608	#endif
609
610	ev_io_stop (&sigev);
611	close (sigpipe [0]);
612	close (sigpipe [1]);
613	pipe (sigpipe);
614	siginit ();
615	}
616
617	/*****************************************************************************/
618
619	static void	924	static int
		925	any_pending (EV_P)
		926	{
		927	int pri;
		928
		929	for (pri = NUMPRI; pri--; )
		930	if (pendingcnt [pri])
		931	return 1;
		932
		933	return 0;
		934	}
		935
		936	static void
620	call_pending (void)	937	call_pending (EV_P)
621	{	938	{
622	int pri;	939	int pri;
623		940
624	for (pri = NUMPRI; pri--; )	941	for (pri = NUMPRI; pri--; )
625	while (pendingcnt [pri])	942	while (pendingcnt [pri])
…		…
627	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	944	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
628		945
629	if (p->w)	946	if (p->w)
630	{	947	{
631	p->w->pending = 0;	948	p->w->pending = 0;
632	p->w->cb (p->w, p->events);	949	p->w->cb (EV_A_ p->w, p->events);
633	}	950	}
634	}	951	}
635	}	952	}
636		953
637	static void	954	static void
638	timers_reify (void)	955	timers_reify (EV_P)
639	{	956	{
640	while (timercnt && timers [0]->at <= now)	957	while (timercnt && ((WT)timers [0])->at <= mn_now)
641	{	958	{
642	struct ev_timer *w = timers [0];	959	struct ev_timer *w = timers [0];
		960
		961	assert (("inactive timer on timer heap detected", ev_is_active (w)));
643		962
644	/* first reschedule or stop timer */	963	/* first reschedule or stop timer */
645	if (w->repeat)	964	if (w->repeat)
646	{	965	{
647	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	966	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
648	w->at = now + w->repeat;	967	((WT)w)->at = mn_now + w->repeat;
649	downheap ((WT *)timers, timercnt, 0);	968	downheap ((WT *)timers, timercnt, 0);
650	}	969	}
651	else	970	else
652	ev_timer_stop (w); /* nonrepeating: stop timer */	971	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
653		972
654	event ((W)w, EV_TIMEOUT);	973	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
655	}	974	}
656	}	975	}
657		976
658	static void	977	static void
659	periodics_reify (void)	978	periodics_reify (EV_P)
660	{	979	{
661	while (periodiccnt && periodics [0]->at <= ev_now)	980	while (periodiccnt && ((WT)periodics [0])->at <= rt_now)
662	{	981	{
663	struct ev_periodic *w = periodics [0];	982	struct ev_periodic *w = periodics [0];
664		983
		984	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
		985
665	/* first reschedule or stop timer */	986	/* first reschedule or stop timer */
666	if (w->interval)	987	if (w->reschedule_cb)
667	{	988	{
		989	ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, rt_now + 0.0001);
		990
		991	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > rt_now));
		992	downheap ((WT *)periodics, periodiccnt, 0);
		993	}
		994	else if (w->interval)
		995	{
668	w->at += floor ((ev_now - w->at) / w->interval + 1.) * w->interval;	996	((WT)w)->at += floor ((rt_now - ((WT)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));	997	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now));
670	downheap ((WT *)periodics, periodiccnt, 0);	998	downheap ((WT *)periodics, periodiccnt, 0);
671	}	999	}
672	else	1000	else
673	ev_periodic_stop (w); /* nonrepeating: stop timer */	1001	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
674		1002
675	event ((W)w, EV_PERIODIC);	1003	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
676	}	1004	}
677	}	1005	}
678		1006
679	static void	1007	static void
680	periodics_reschedule (ev_tstamp diff)	1008	periodics_reschedule (EV_P)
681	{	1009	{
682	int i;	1010	int i;
683		1011
684	/* adjust periodics after time jump */	1012	/* adjust periodics after time jump */
685	for (i = 0; i < periodiccnt; ++i)	1013	for (i = 0; i < periodiccnt; ++i)
686	{	1014	{
687	struct ev_periodic *w = periodics [i];	1015	struct ev_periodic *w = periodics [i];
688		1016
		1017	if (w->reschedule_cb)
		1018	((WT)w)->at = w->reschedule_cb (w, rt_now);
689	if (w->interval)	1019	else if (w->interval)
690	{
691	ev_tstamp diff = ceil ((ev_now - w->at) / w->interval) * w->interval;	1020	((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
692
693	if (fabs (diff) >= 1e-4)
694	{
695	ev_periodic_stop (w);
696	ev_periodic_start (w);
697
698	i = 0; /* restart loop, inefficient, but time jumps should be rare */
699	}
700	}
701	}	1021	}
702	}
703		1022
704	static int	1023	/* now rebuild the heap */
		1024	for (i = periodiccnt >> 1; i--; )
		1025	downheap ((WT *)periodics, periodiccnt, i);
		1026	}
		1027
		1028	inline int
705	time_update_monotonic (void)	1029	time_update_monotonic (EV_P)
706	{	1030	{
707	now = get_clock ();	1031	mn_now = get_clock ();
708		1032
709	if (expect_true (now - now_floor < MIN_TIMEJUMP * .5))	1033	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
710	{	1034	{
711	ev_now = now + diff;	1035	rt_now = rtmn_diff + mn_now;
712	return 0;	1036	return 0;
713	}	1037	}
714	else	1038	else
715	{	1039	{
716	now_floor = now;	1040	now_floor = mn_now;
717	ev_now = ev_time ();	1041	rt_now = ev_time ();
718	return 1;	1042	return 1;
719	}	1043	}
720	}	1044	}
721		1045
722	static void	1046	static void
723	time_update (void)	1047	time_update (EV_P)
724	{	1048	{
725	int i;	1049	int i;
726		1050
727	#if EV_USE_MONOTONIC	1051	#if EV_USE_MONOTONIC
728	if (expect_true (have_monotonic))	1052	if (expect_true (have_monotonic))
729	{	1053	{
730	if (time_update_monotonic ())	1054	if (time_update_monotonic (EV_A))
731	{	1055	{
732	ev_tstamp odiff = diff;	1056	ev_tstamp odiff = rtmn_diff;
733		1057
734	for (i = 4; --i; ) /* loop a few times, before making important decisions */	1058	for (i = 4; --i; ) /* loop a few times, before making important decisions */
735	{	1059	{
736	diff = ev_now - now;	1060	rtmn_diff = rt_now - mn_now;
737		1061
738	if (fabs (odiff - diff) < MIN_TIMEJUMP)	1062	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
739	return; /* all is well */	1063	return; /* all is well */
740		1064
741	ev_now = ev_time ();	1065	rt_now = ev_time ();
742	now = get_clock ();	1066	mn_now = get_clock ();
743	now_floor = now;	1067	now_floor = mn_now;
744	}	1068	}
745		1069
746	periodics_reschedule (diff - odiff);	1070	periodics_reschedule (EV_A);
747	/* no timer adjustment, as the monotonic clock doesn't jump */	1071	/* no timer adjustment, as the monotonic clock doesn't jump */
		1072	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
748	}	1073	}
749	}	1074	}
750	else	1075	else
751	#endif	1076	#endif
752	{	1077	{
753	ev_now = ev_time ();	1078	rt_now = ev_time ();
754		1079
755	if (expect_false (now > ev_now \|\| now < ev_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1080	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
756	{	1081	{
757	periodics_reschedule (ev_now - now);	1082	periodics_reschedule (EV_A);
758		1083
759	/* adjust timers. this is easy, as the offset is the same for all */	1084	/* adjust timers. this is easy, as the offset is the same for all */
760	for (i = 0; i < timercnt; ++i)	1085	for (i = 0; i < timercnt; ++i)
761	timers [i]->at += diff;	1086	((WT)timers [i])->at += rt_now - mn_now;
762	}	1087	}
763		1088
764	now = ev_now;	1089	mn_now = rt_now;
765	}	1090	}
766	}	1091	}
767		1092
768	int ev_loop_done;	1093	void
		1094	ev_ref (EV_P)
		1095	{
		1096	++activecnt;
		1097	}
769		1098
		1099	void
		1100	ev_unref (EV_P)
		1101	{
		1102	--activecnt;
		1103	}
		1104
		1105	static int loop_done;
		1106
		1107	void
770	void ev_loop (int flags)	1108	ev_loop (EV_P_ int flags)
771	{	1109	{
772	double block;	1110	double block;
773	ev_loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1111	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
774		1112
775	do	1113	do
776	{	1114	{
777	/* queue check watchers (and execute them) */	1115	/* queue check watchers (and execute them) */
778	if (expect_false (preparecnt))	1116	if (expect_false (preparecnt))
779	{	1117	{
780	queue_events ((W *)prepares, preparecnt, EV_PREPARE);	1118	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
781	call_pending ();	1119	call_pending (EV_A);
782	}	1120	}
783		1121
		1122	/* we might have forked, so reify kernel state if necessary */
		1123	if (expect_false (postfork))
		1124	loop_fork (EV_A);
		1125
784	/* update fd-related kernel structures */	1126	/* update fd-related kernel structures */
785	fd_reify ();	1127	fd_reify (EV_A);
786		1128
787	/* calculate blocking time */	1129	/* calculate blocking time */
788		1130
789	/* we only need this for !monotonic clockor timers, but as we basically	1131	/* we only need this for !monotonic clock or timers, but as we basically
790	always have timers, we just calculate it always */	1132	always have timers, we just calculate it always */
791	#if EV_USE_MONOTONIC	1133	#if EV_USE_MONOTONIC
792	if (expect_true (have_monotonic))	1134	if (expect_true (have_monotonic))
793	time_update_monotonic ();	1135	time_update_monotonic (EV_A);
794	else	1136	else
795	#endif	1137	#endif
796	{	1138	{
797	ev_now = ev_time ();	1139	rt_now = ev_time ();
798	now = ev_now;	1140	mn_now = rt_now;
799	}	1141	}
800		1142
801	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1143	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
802	block = 0.;	1144	block = 0.;
803	else	1145	else
804	{	1146	{
805	block = MAX_BLOCKTIME;	1147	block = MAX_BLOCKTIME;
806		1148
807	if (timercnt)	1149	if (timercnt)
808	{	1150	{
809	ev_tstamp to = timers [0]->at - now + method_fudge;	1151	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
810	if (block > to) block = to;	1152	if (block > to) block = to;
811	}	1153	}
812		1154
813	if (periodiccnt)	1155	if (periodiccnt)
814	{	1156	{
815	ev_tstamp to = periodics [0]->at - ev_now + method_fudge;	1157	ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;
816	if (block > to) block = to;	1158	if (block > to) block = to;
817	}	1159	}
818		1160
819	if (block < 0.) block = 0.;	1161	if (block < 0.) block = 0.;
820	}	1162	}
821		1163
822	method_poll (block);	1164	method_poll (EV_A_ block);
823		1165
824	/* update ev_now, do magic */	1166	/* update rt_now, do magic */
825	time_update ();	1167	time_update (EV_A);
826		1168
827	/* queue pending timers and reschedule them */	1169	/* queue pending timers and reschedule them */
828	timers_reify (); /* relative timers called last */	1170	timers_reify (EV_A); /* relative timers called last */
829	periodics_reify (); /* absolute timers called first */	1171	periodics_reify (EV_A); /* absolute timers called first */
830		1172
831	/* queue idle watchers unless io or timers are pending */	1173	/* queue idle watchers unless io or timers are pending */
832	if (!pendingcnt)	1174	if (idlecnt && !any_pending (EV_A))
833	queue_events ((W *)idles, idlecnt, EV_IDLE);	1175	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
834		1176
835	/* queue check watchers, to be executed first */	1177	/* queue check watchers, to be executed first */
836	if (checkcnt)	1178	if (checkcnt)
837	queue_events ((W *)checks, checkcnt, EV_CHECK);	1179	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
838		1180
839	call_pending ();	1181	call_pending (EV_A);
840	}	1182	}
841	while (!ev_loop_done);	1183	while (activecnt && !loop_done);
842		1184
843	if (ev_loop_done != 2)	1185	if (loop_done != 2)
844	ev_loop_done = 0;	1186	loop_done = 0;
		1187	}
		1188
		1189	void
		1190	ev_unloop (EV_P_ int how)
		1191	{
		1192	loop_done = how;
845	}	1193	}
846		1194
847	/*****************************************************************************/	1195	/*****************************************************************************/
848		1196
849	static void	1197	inline void
850	wlist_add (WL *head, WL elem)	1198	wlist_add (WL *head, WL elem)
851	{	1199	{
852	elem->next = *head;	1200	elem->next = *head;
853	*head = elem;	1201	*head = elem;
854	}	1202	}
855		1203
856	static void	1204	inline void
857	wlist_del (WL *head, WL elem)	1205	wlist_del (WL *head, WL elem)
858	{	1206	{
859	while (*head)	1207	while (*head)
860	{	1208	{
861	if (*head == elem)	1209	if (*head == elem)
…		…
866		1214
867	head = &(*head)->next;	1215	head = &(*head)->next;
868	}	1216	}
869	}	1217	}
870		1218
871	static void	1219	inline void
872	ev_clear_pending (W w)	1220	ev_clear_pending (EV_P_ W w)
873	{	1221	{
874	if (w->pending)	1222	if (w->pending)
875	{	1223	{
876	pendings [ABSPRI (w)][w->pending - 1].w = 0;	1224	pendings [ABSPRI (w)][w->pending - 1].w = 0;
877	w->pending = 0;	1225	w->pending = 0;
878	}	1226	}
879	}	1227	}
880		1228
881	static void	1229	inline void
882	ev_start (W w, int active)	1230	ev_start (EV_P_ W w, int active)
883	{	1231	{
884	if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;	1232	if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;
885	if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;	1233	if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
886		1234
887	w->active = active;	1235	w->active = active;
		1236	ev_ref (EV_A);
888	}	1237	}
889		1238
890	static void	1239	inline void
891	ev_stop (W w)	1240	ev_stop (EV_P_ W w)
892	{	1241	{
		1242	ev_unref (EV_A);
893	w->active = 0;	1243	w->active = 0;
894	}	1244	}
895		1245
896	/*****************************************************************************/	1246	/*****************************************************************************/
897		1247
898	void	1248	void
899	ev_io_start (struct ev_io *w)	1249	ev_io_start (EV_P_ struct ev_io *w)
900	{	1250	{
901	int fd = w->fd;	1251	int fd = w->fd;
902		1252
903	if (ev_is_active (w))	1253	if (ev_is_active (w))
904	return;	1254	return;
905		1255
906	assert (("ev_io_start called with negative fd", fd >= 0));	1256	assert (("ev_io_start called with negative fd", fd >= 0));
907		1257
908	ev_start ((W)w, 1);	1258	ev_start (EV_A_ (W)w, 1);
909	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	1259	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
910	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1260	wlist_add ((WL *)&anfds[fd].head, (WL)w);
911		1261
912	fd_change (fd);	1262	fd_change (EV_A_ fd);
913	}	1263	}
914		1264
915	void	1265	void
916	ev_io_stop (struct ev_io *w)	1266	ev_io_stop (EV_P_ struct ev_io *w)
917	{	1267	{
918	ev_clear_pending ((W)w);	1268	ev_clear_pending (EV_A_ (W)w);
919	if (!ev_is_active (w))	1269	if (!ev_is_active (w))
920	return;	1270	return;
921		1271
922	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1272	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
923	ev_stop ((W)w);	1273	ev_stop (EV_A_ (W)w);
924		1274
925	fd_change (w->fd);	1275	fd_change (EV_A_ w->fd);
926	}	1276	}
927		1277
928	void	1278	void
929	ev_timer_start (struct ev_timer *w)	1279	ev_timer_start (EV_P_ struct ev_timer *w)
930	{	1280	{
931	if (ev_is_active (w))	1281	if (ev_is_active (w))
932	return;	1282	return;
933		1283
934	w->at += now;	1284	((WT)w)->at += mn_now;
935		1285
936	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1286	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
937		1287
938	ev_start ((W)w, ++timercnt);	1288	ev_start (EV_A_ (W)w, ++timercnt);
939	array_needsize (timers, timermax, timercnt, );	1289	array_needsize (struct ev_timer *, timers, timermax, timercnt, (void));
940	timers [timercnt - 1] = w;	1290	timers [timercnt - 1] = w;
941	upheap ((WT *)timers, timercnt - 1);	1291	upheap ((WT *)timers, timercnt - 1);
942	}
943		1292
		1293	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1294	}
		1295
944	void	1296	void
945	ev_timer_stop (struct ev_timer *w)	1297	ev_timer_stop (EV_P_ struct ev_timer *w)
946	{	1298	{
947	ev_clear_pending ((W)w);	1299	ev_clear_pending (EV_A_ (W)w);
948	if (!ev_is_active (w))	1300	if (!ev_is_active (w))
949	return;	1301	return;
950		1302
		1303	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1304
951	if (w->active < timercnt--)	1305	if (((W)w)->active < timercnt--)
952	{	1306	{
953	timers [w->active - 1] = timers [timercnt];	1307	timers [((W)w)->active - 1] = timers [timercnt];
954	downheap ((WT *)timers, timercnt, w->active - 1);	1308	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
955	}	1309	}
956		1310
957	w->at = w->repeat;	1311	((WT)w)->at = w->repeat;
958		1312
959	ev_stop ((W)w);	1313	ev_stop (EV_A_ (W)w);
960	}	1314	}
961		1315
962	void	1316	void
963	ev_timer_again (struct ev_timer *w)	1317	ev_timer_again (EV_P_ struct ev_timer *w)
964	{	1318	{
965	if (ev_is_active (w))	1319	if (ev_is_active (w))
966	{	1320	{
967	if (w->repeat)	1321	if (w->repeat)
968	{	1322	{
969	w->at = now + w->repeat;	1323	((WT)w)->at = mn_now + w->repeat;
970	downheap ((WT *)timers, timercnt, w->active - 1);	1324	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
971	}	1325	}
972	else	1326	else
973	ev_timer_stop (w);	1327	ev_timer_stop (EV_A_ w);
974	}	1328	}
975	else if (w->repeat)	1329	else if (w->repeat)
976	ev_timer_start (w);	1330	ev_timer_start (EV_A_ w);
977	}	1331	}
978		1332
979	void	1333	void
980	ev_periodic_start (struct ev_periodic *w)	1334	ev_periodic_start (EV_P_ struct ev_periodic *w)
981	{	1335	{
982	if (ev_is_active (w))	1336	if (ev_is_active (w))
983	return;	1337	return;
984		1338
		1339	if (w->reschedule_cb)
		1340	((WT)w)->at = w->reschedule_cb (w, rt_now);
		1341	else if (w->interval)
		1342	{
985	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1343	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
986
987	/* this formula differs from the one in periodic_reify because we do not always round up */	1344	/* this formula differs from the one in periodic_reify because we do not always round up */
988	if (w->interval)
989	w->at += ceil ((ev_now - w->at) / w->interval) * w->interval;	1345	((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
		1346	}
990		1347
991	ev_start ((W)w, ++periodiccnt);	1348	ev_start (EV_A_ (W)w, ++periodiccnt);
992	array_needsize (periodics, periodicmax, periodiccnt, );	1349	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void));
993	periodics [periodiccnt - 1] = w;	1350	periodics [periodiccnt - 1] = w;
994	upheap ((WT *)periodics, periodiccnt - 1);	1351	upheap ((WT *)periodics, periodiccnt - 1);
995	}
996		1352
		1353	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1354	}
		1355
997	void	1356	void
998	ev_periodic_stop (struct ev_periodic *w)	1357	ev_periodic_stop (EV_P_ struct ev_periodic *w)
999	{	1358	{
1000	ev_clear_pending ((W)w);	1359	ev_clear_pending (EV_A_ (W)w);
1001	if (!ev_is_active (w))	1360	if (!ev_is_active (w))
1002	return;	1361	return;
1003		1362
		1363	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1364
1004	if (w->active < periodiccnt--)	1365	if (((W)w)->active < periodiccnt--)
1005	{	1366	{
1006	periodics [w->active - 1] = periodics [periodiccnt];	1367	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1007	downheap ((WT *)periodics, periodiccnt, w->active - 1);	1368	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1008	}	1369	}
1009		1370
1010	ev_stop ((W)w);	1371	ev_stop (EV_A_ (W)w);
1011	}	1372	}
1012		1373
1013	void	1374	void
		1375	ev_periodic_again (EV_P_ struct ev_periodic *w)
		1376	{
		1377	ev_periodic_stop (EV_A_ w);
		1378	ev_periodic_start (EV_A_ w);
		1379	}
		1380
		1381	void
1014	ev_signal_start (struct ev_signal *w)	1382	ev_idle_start (EV_P_ struct ev_idle *w)
1015	{	1383	{
1016	if (ev_is_active (w))	1384	if (ev_is_active (w))
1017	return;	1385	return;
1018		1386
		1387	ev_start (EV_A_ (W)w, ++idlecnt);
		1388	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void));
		1389	idles [idlecnt - 1] = w;
		1390	}
		1391
		1392	void
		1393	ev_idle_stop (EV_P_ struct ev_idle *w)
		1394	{
		1395	ev_clear_pending (EV_A_ (W)w);
		1396	if (ev_is_active (w))
		1397	return;
		1398
		1399	idles [((W)w)->active - 1] = idles [--idlecnt];
		1400	ev_stop (EV_A_ (W)w);
		1401	}
		1402
		1403	void
		1404	ev_prepare_start (EV_P_ struct ev_prepare *w)
		1405	{
		1406	if (ev_is_active (w))
		1407	return;
		1408
		1409	ev_start (EV_A_ (W)w, ++preparecnt);
		1410	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void));
		1411	prepares [preparecnt - 1] = w;
		1412	}
		1413
		1414	void
		1415	ev_prepare_stop (EV_P_ struct ev_prepare *w)
		1416	{
		1417	ev_clear_pending (EV_A_ (W)w);
		1418	if (ev_is_active (w))
		1419	return;
		1420
		1421	prepares [((W)w)->active - 1] = prepares [--preparecnt];
		1422	ev_stop (EV_A_ (W)w);
		1423	}
		1424
		1425	void
		1426	ev_check_start (EV_P_ struct ev_check *w)
		1427	{
		1428	if (ev_is_active (w))
		1429	return;
		1430
		1431	ev_start (EV_A_ (W)w, ++checkcnt);
		1432	array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void));
		1433	checks [checkcnt - 1] = w;
		1434	}
		1435
		1436	void
		1437	ev_check_stop (EV_P_ struct ev_check *w)
		1438	{
		1439	ev_clear_pending (EV_A_ (W)w);
		1440	if (ev_is_active (w))
		1441	return;
		1442
		1443	checks [((W)w)->active - 1] = checks [--checkcnt];
		1444	ev_stop (EV_A_ (W)w);
		1445	}
		1446
		1447	#ifndef SA_RESTART
		1448	# define SA_RESTART 0
		1449	#endif
		1450
		1451	void
		1452	ev_signal_start (EV_P_ struct ev_signal *w)
		1453	{
		1454	#if EV_MULTIPLICITY
		1455	assert (("signal watchers are only supported in the default loop", loop == default_loop));
		1456	#endif
		1457	if (ev_is_active (w))
		1458	return;
		1459
1019	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1460	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1020		1461
1021	ev_start ((W)w, 1);	1462	ev_start (EV_A_ (W)w, 1);
1022	array_needsize (signals, signalmax, w->signum, signals_init);	1463	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1023	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1464	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1024		1465
1025	if (!w->next)	1466	if (!((WL)w)->next)
1026	{	1467	{
		1468	#if WIN32
		1469	signal (w->signum, sighandler);
		1470	#else
1027	struct sigaction sa;	1471	struct sigaction sa;
1028	sa.sa_handler = sighandler;	1472	sa.sa_handler = sighandler;
1029	sigfillset (&sa.sa_mask);	1473	sigfillset (&sa.sa_mask);
1030	sa.sa_flags = 0;	1474	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1031	sigaction (w->signum, &sa, 0);	1475	sigaction (w->signum, &sa, 0);
		1476	#endif
1032	}	1477	}
1033	}	1478	}
1034		1479
1035	void	1480	void
1036	ev_signal_stop (struct ev_signal *w)	1481	ev_signal_stop (EV_P_ struct ev_signal *w)
1037	{	1482	{
1038	ev_clear_pending ((W)w);	1483	ev_clear_pending (EV_A_ (W)w);
1039	if (!ev_is_active (w))	1484	if (!ev_is_active (w))
1040	return;	1485	return;
1041		1486
1042	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1487	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1043	ev_stop ((W)w);	1488	ev_stop (EV_A_ (W)w);
1044		1489
1045	if (!signals [w->signum - 1].head)	1490	if (!signals [w->signum - 1].head)
1046	signal (w->signum, SIG_DFL);	1491	signal (w->signum, SIG_DFL);
1047	}	1492	}
1048		1493
1049	void	1494	void
1050	ev_idle_start (struct ev_idle *w)	1495	ev_child_start (EV_P_ struct ev_child *w)
1051	{	1496	{
		1497	#if EV_MULTIPLICITY
		1498	assert (("child watchers are only supported in the default loop", loop == default_loop));
		1499	#endif
1052	if (ev_is_active (w))	1500	if (ev_is_active (w))
1053	return;	1501	return;
1054		1502
1055	ev_start ((W)w, ++idlecnt);	1503	ev_start (EV_A_ (W)w, 1);
1056	array_needsize (idles, idlemax, idlecnt, );	1504	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1057	idles [idlecnt - 1] = w;
1058	}	1505	}
1059		1506
1060	void	1507	void
1061	ev_idle_stop (struct ev_idle *w)	1508	ev_child_stop (EV_P_ struct ev_child *w)
1062	{	1509	{
1063	ev_clear_pending ((W)w);	1510	ev_clear_pending (EV_A_ (W)w);
1064	if (ev_is_active (w))	1511	if (ev_is_active (w))
1065	return;	1512	return;
1066		1513
1067	idles [w->active - 1] = idles [--idlecnt];
1068	ev_stop ((W)w);
1069	}
1070
1071	void
1072	ev_prepare_start (struct ev_prepare *w)
1073	{
1074	if (ev_is_active (w))
1075	return;
1076
1077	ev_start ((W)w, ++preparecnt);
1078	array_needsize (prepares, preparemax, preparecnt, );
1079	prepares [preparecnt - 1] = w;
1080	}
1081
1082	void
1083	ev_prepare_stop (struct ev_prepare *w)
1084	{
1085	ev_clear_pending ((W)w);
1086	if (ev_is_active (w))
1087	return;
1088
1089	prepares [w->active - 1] = prepares [--preparecnt];
1090	ev_stop ((W)w);
1091	}
1092
1093	void
1094	ev_check_start (struct ev_check *w)
1095	{
1096	if (ev_is_active (w))
1097	return;
1098
1099	ev_start ((W)w, ++checkcnt);
1100	array_needsize (checks, checkmax, checkcnt, );
1101	checks [checkcnt - 1] = w;
1102	}
1103
1104	void
1105	ev_check_stop (struct ev_check *w)
1106	{
1107	ev_clear_pending ((W)w);
1108	if (ev_is_active (w))
1109	return;
1110
1111	checks [w->active - 1] = checks [--checkcnt];
1112	ev_stop ((W)w);
1113	}
1114
1115	void
1116	ev_child_start (struct ev_child *w)
1117	{
1118	if (ev_is_active (w))
1119	return;
1120
1121	ev_start ((W)w, 1);
1122	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1123	}
1124
1125	void
1126	ev_child_stop (struct ev_child *w)
1127	{
1128	ev_clear_pending ((W)w);
1129	if (ev_is_active (w))
1130	return;
1131
1132	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1514	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1133	ev_stop ((W)w);	1515	ev_stop (EV_A_ (W)w);
1134	}	1516	}
1135		1517
1136	/*****************************************************************************/	1518	/*****************************************************************************/
1137		1519
1138	struct ev_once	1520	struct ev_once
…		…
1142	void (cb)(int revents, void arg);	1524	void (cb)(int revents, void arg);
1143	void *arg;	1525	void *arg;
1144	};	1526	};
1145		1527
1146	static void	1528	static void
1147	once_cb (struct ev_once *once, int revents)	1529	once_cb (EV_P_ struct ev_once *once, int revents)
1148	{	1530	{
1149	void (cb)(int revents, void arg) = once->cb;	1531	void (cb)(int revents, void arg) = once->cb;
1150	void *arg = once->arg;	1532	void *arg = once->arg;
1151		1533
1152	ev_io_stop (&once->io);	1534	ev_io_stop (EV_A_ &once->io);
1153	ev_timer_stop (&once->to);	1535	ev_timer_stop (EV_A_ &once->to);
1154	free (once);	1536	ev_free (once);
1155		1537
1156	cb (revents, arg);	1538	cb (revents, arg);
1157	}	1539	}
1158		1540
1159	static void	1541	static void
1160	once_cb_io (struct ev_io *w, int revents)	1542	once_cb_io (EV_P_ struct ev_io *w, int revents)
1161	{	1543	{
1162	once_cb ((struct ev_once )(((char )w) - offsetof (struct ev_once, io)), revents);	1544	once_cb (EV_A_ (struct ev_once )(((char )w) - offsetof (struct ev_once, io)), revents);
1163	}	1545	}
1164		1546
1165	static void	1547	static void
1166	once_cb_to (struct ev_timer *w, int revents)	1548	once_cb_to (EV_P_ struct ev_timer *w, int revents)
1167	{	1549	{
1168	once_cb ((struct ev_once )(((char )w) - offsetof (struct ev_once, to)), revents);	1550	once_cb (EV_A_ (struct ev_once )(((char )w) - offsetof (struct ev_once, to)), revents);
1169	}	1551	}
1170		1552
1171	void	1553	void
1172	ev_once (int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1554	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1173	{	1555	{
1174	struct ev_once *once = malloc (sizeof (struct ev_once));	1556	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1175		1557
1176	if (!once)	1558	if (!once)
1177	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1559	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1178	else	1560	else
1179	{	1561	{
…		…
1182		1564
1183	ev_watcher_init (&once->io, once_cb_io);	1565	ev_watcher_init (&once->io, once_cb_io);
1184	if (fd >= 0)	1566	if (fd >= 0)
1185	{	1567	{
1186	ev_io_set (&once->io, fd, events);	1568	ev_io_set (&once->io, fd, events);
1187	ev_io_start (&once->io);	1569	ev_io_start (EV_A_ &once->io);
1188	}	1570	}
1189		1571
1190	ev_watcher_init (&once->to, once_cb_to);	1572	ev_watcher_init (&once->to, once_cb_to);
1191	if (timeout >= 0.)	1573	if (timeout >= 0.)
1192	{	1574	{
1193	ev_timer_set (&once->to, timeout, 0.);	1575	ev_timer_set (&once->to, timeout, 0.);
1194	ev_timer_start (&once->to);	1576	ev_timer_start (EV_A_ &once->to);
1195	}	1577	}
1196	}	1578	}
1197	}	1579	}
1198		1580
1199	/*****************************************************************************/
1200
1201	#if 0
1202
1203	struct ev_io wio;
1204
1205	static void
1206	sin_cb (struct ev_io *w, int revents)
1207	{
1208	fprintf (stderr, "sin %d, revents %d\n", w->fd, revents);
1209	}
1210
1211	static void
1212	ocb (struct ev_timer *w, int revents)
1213	{
1214	//fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data);
1215	ev_timer_stop (w);
1216	ev_timer_start (w);
1217	}
1218
1219	static void
1220	scb (struct ev_signal *w, int revents)
1221	{
1222	fprintf (stderr, "signal %x,%d\n", revents, w->signum);
1223	ev_io_stop (&wio);
1224	ev_io_start (&wio);
1225	}
1226
1227	static void
1228	gcb (struct ev_signal *w, int revents)
1229	{
1230	fprintf (stderr, "generic %x\n", revents);
1231
1232	}
1233
1234	int main (void)
1235	{
1236	ev_init (0);
1237
1238	ev_io_init (&wio, sin_cb, 0, EV_READ);
1239	ev_io_start (&wio);
1240
1241	struct ev_timer t[10000];
1242
1243	#if 0
1244	int i;
1245	for (i = 0; i < 10000; ++i)
1246	{
1247	struct ev_timer *w = t + i;
1248	ev_watcher_init (w, ocb, i);
1249	ev_timer_init_abs (w, ocb, drand48 (), 0.99775533);
1250	ev_timer_start (w);
1251	if (drand48 () < 0.5)
1252	ev_timer_stop (w);
1253	}
1254	#endif
1255
1256	struct ev_timer t1;
1257	ev_timer_init (&t1, ocb, 5, 10);
1258	ev_timer_start (&t1);
1259
1260	struct ev_signal sig;
1261	ev_signal_init (&sig, scb, SIGQUIT);
1262	ev_signal_start (&sig);
1263
1264	struct ev_check cw;
1265	ev_check_init (&cw, gcb);
1266	ev_check_start (&cw);
1267
1268	struct ev_idle iw;
1269	ev_idle_init (&iw, gcb);
1270	ev_idle_start (&iw);
1271
1272	ev_loop (0);
1273
1274	return 0;
1275	}
1276
1277	#endif
1278
1279
1280
1281

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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 1.80 by root, Fri Nov 9 15:30:59 2007 UTC

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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 1.80 by root, Fri Nov 9 15:30:59 2007 UTC