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

Comparing libev/ev.c (file contents):
Revision 1.44 by root, Fri Nov 2 20:59:14 2007 UTC vs.
Revision 1.79 by root, Fri Nov 9 15:15:20 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>
47	#include <sys/wait.h>
48	#include <sys/time.h>
49	#include <time.h>	67	#include <time.h>
50		68
		69	#include <signal.h>
		70
		71	#ifndef WIN32
		72	# include <unistd.h>
		73	# include <sys/time.h>
		74	# include <sys/wait.h>
		75	#endif
51	/**/	76	/**/
52		77
53	#ifndef EV_USE_MONOTONIC	78	#ifndef EV_USE_MONOTONIC
54	# define EV_USE_MONOTONIC 1	79	# define EV_USE_MONOTONIC 1
55	#endif	80	#endif
…		…
66	# define EV_USE_EPOLL 0	91	# define EV_USE_EPOLL 0
67	#endif	92	#endif
68		93
69	#ifndef EV_USE_KQUEUE	94	#ifndef EV_USE_KQUEUE
70	# 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
71	#endif	106	#endif
72		107
73	#ifndef EV_USE_REALTIME	108	#ifndef EV_USE_REALTIME
74	# define EV_USE_REALTIME 1	109	# define EV_USE_REALTIME 1
75	#endif	110	#endif
…		…
111		146
112	typedef struct ev_watcher *W;	147	typedef struct ev_watcher *W;
113	typedef struct ev_watcher_list *WL;	148	typedef struct ev_watcher_list *WL;
114	typedef struct ev_watcher_time *WT;	149	typedef struct ev_watcher_time *WT;
115		150
116	static ev_tstamp now_floor, now, diff; /* monotonic clock */	151	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
117	ev_tstamp ev_now;
118	int ev_method;
119		152
120	static int have_monotonic; /* runtime */	153	#include "ev_win32.c"
121
122	static ev_tstamp method_fudge; /* stupid epoll-returns-early bug */
123	static void (*method_modify)(int fd, int oev, int nev);
124	static void (*method_poll)(ev_tstamp timeout);
125		154
126	/*****************************************************************************/	155	/*****************************************************************************/
127		156
128	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	};
		225	# undef VAR
		226	# include "ev_wrap.h"
		227
		228	#else
		229
		230	# define VAR(name,decl) static decl;
		231	# include "ev_vars.h"
		232	# undef VAR
		233
		234	#endif
		235
		236	/*****************************************************************************/
		237
		238	inline ev_tstamp
129	ev_time (void)	239	ev_time (void)
130	{	240	{
131	#if EV_USE_REALTIME	241	#if EV_USE_REALTIME
132	struct timespec ts;	242	struct timespec ts;
133	clock_gettime (CLOCK_REALTIME, &ts);	243	clock_gettime (CLOCK_REALTIME, &ts);
…		…
137	gettimeofday (&tv, 0);	247	gettimeofday (&tv, 0);
138	return tv.tv_sec + tv.tv_usec * 1e-6;	248	return tv.tv_sec + tv.tv_usec * 1e-6;
139	#endif	249	#endif
140	}	250	}
141		251
142	static ev_tstamp	252	inline ev_tstamp
143	get_clock (void)	253	get_clock (void)
144	{	254	{
145	#if EV_USE_MONOTONIC	255	#if EV_USE_MONOTONIC
146	if (expect_true (have_monotonic))	256	if (expect_true (have_monotonic))
147	{	257	{
…		…
152	#endif	262	#endif
153		263
154	return ev_time ();	264	return ev_time ();
155	}	265	}
156		266
		267	ev_tstamp
		268	ev_now (EV_P)
		269	{
		270	return rt_now;
		271	}
		272
157	#define array_roundsize(base,n) ((n) \| 4 & ~3)	273	#define array_roundsize(type,n) ((n) \| 4 & ~3)
158		274
159	#define array_needsize(base,cur,cnt,init) \	275	#define array_needsize(type,base,cur,cnt,init) \
160	if (expect_false ((cnt) > cur)) \	276	if (expect_false ((cnt) > cur)) \
161	{ \	277	{ \
162	int newcnt = cur; \	278	int newcnt = cur; \
163	do \	279	do \
164	{ \	280	{ \
165	newcnt = array_roundsize (base, newcnt << 1); \	281	newcnt = array_roundsize (type, newcnt << 1); \
166	} \	282	} \
167	while ((cnt) > newcnt); \	283	while ((cnt) > newcnt); \
168	\	284	\
169	base = realloc (base, sizeof (base) (newcnt)); \	285	base = (type )ev_realloc (base, sizeof (type) (newcnt));\
170	init (base + cur, newcnt - cur); \	286	init (base + cur, newcnt - cur); \
171	cur = newcnt; \	287	cur = newcnt; \
172	}	288	}
		289
		290	#define array_slim(type,stem) \
		291	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
		292	{ \
		293	stem ## max = array_roundsize (stem ## cnt >> 1); \
		294	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
		295	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
		296	}
		297
		298	/* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */
		299	/* bringing us everlasting joy in form of stupid extra macros that are not required in C */
		300	#define array_free_microshit(stem) \
		301	ev_free (stem ## s); stem ## cnt = stem ## max = 0;
		302
		303	#define array_free(stem, idx) \
		304	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
173		305
174	/*****************************************************************************/	306	/*****************************************************************************/
175
176	typedef struct
177	{
178	struct ev_io *head;
179	unsigned char events;
180	unsigned char reify;
181	} ANFD;
182
183	static ANFD *anfds;
184	static int anfdmax;
185		307
186	static void	308	static void
187	anfds_init (ANFD *base, int count)	309	anfds_init (ANFD *base, int count)
188	{	310	{
189	while (count--)	311	while (count--)
…		…
194		316
195	++base;	317	++base;
196	}	318	}
197	}	319	}
198		320
199	typedef struct	321	void
		322	ev_feed_event (EV_P_ void *w, int revents)
200	{	323	{
201	W w;	324	W w_ = (W)w;
202	int events;
203	} ANPENDING;
204		325
205	static ANPENDING *pendings [NUMPRI];
206	static int pendingmax [NUMPRI], pendingcnt [NUMPRI];
207
208	static void
209	event (W w, int events)
210	{
211	if (w->pending)	326	if (w_->pending)
212	{	327	{
213	pendings [ABSPRI (w)][w->pending - 1].events \|= events;	328	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
214	return;	329	return;
215	}	330	}
216		331
217	w->pending = ++pendingcnt [ABSPRI (w)];	332	w_->pending = ++pendingcnt [ABSPRI (w_)];
218	array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], );	333	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void));
219	pendings [ABSPRI (w)][w->pending - 1].w = w;	334	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
220	pendings [ABSPRI (w)][w->pending - 1].events = events;	335	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
221	}	336	}
222		337
223	static void	338	static void
224	queue_events (W *events, int eventcnt, int type)	339	queue_events (EV_P_ W *events, int eventcnt, int type)
225	{	340	{
226	int i;	341	int i;
227		342
228	for (i = 0; i < eventcnt; ++i)	343	for (i = 0; i < eventcnt; ++i)
229	event (events [i], type);	344	ev_feed_event (EV_A_ events [i], type);
230	}	345	}
231		346
232	static void	347	inline void
233	fd_event (int fd, int events)	348	fd_event (EV_P_ int fd, int revents)
234	{	349	{
235	ANFD *anfd = anfds + fd;	350	ANFD *anfd = anfds + fd;
236	struct ev_io *w;	351	struct ev_io *w;
237		352
238	for (w = anfd->head; w; w = w->next)	353	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
239	{	354	{
240	int ev = w->events & events;	355	int ev = w->events & revents;
241		356
242	if (ev)	357	if (ev)
243	event ((W)w, ev);	358	ev_feed_event (EV_A_ (W)w, ev);
244	}	359	}
		360	}
		361
		362	void
		363	ev_feed_fd_event (EV_P_ int fd, int revents)
		364	{
		365	fd_event (EV_A_ fd, revents);
245	}	366	}
246		367
247	/*****************************************************************************/	368	/*****************************************************************************/
248		369
249	static int *fdchanges;
250	static int fdchangemax, fdchangecnt;
251
252	static void	370	static void
253	fd_reify (void)	371	fd_reify (EV_P)
254	{	372	{
255	int i;	373	int i;
256		374
257	for (i = 0; i < fdchangecnt; ++i)	375	for (i = 0; i < fdchangecnt; ++i)
258	{	376	{
…		…
260	ANFD *anfd = anfds + fd;	378	ANFD *anfd = anfds + fd;
261	struct ev_io *w;	379	struct ev_io *w;
262		380
263	int events = 0;	381	int events = 0;
264		382
265	for (w = anfd->head; w; w = w->next)	383	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
266	events \|= w->events;	384	events \|= w->events;
267		385
268	anfd->reify = 0;	386	anfd->reify = 0;
269		387
270	if (anfd->events != events)
271	{
272	method_modify (fd, anfd->events, events);	388	method_modify (EV_A_ fd, anfd->events, events);
273	anfd->events = events;	389	anfd->events = events;
274	}
275	}	390	}
276		391
277	fdchangecnt = 0;	392	fdchangecnt = 0;
278	}	393	}
279		394
280	static void	395	static void
281	fd_change (int fd)	396	fd_change (EV_P_ int fd)
282	{	397	{
283	if (anfds [fd].reify \|\| fdchangecnt < 0)	398	if (anfds [fd].reify)
284	return;	399	return;
285		400
286	anfds [fd].reify = 1;	401	anfds [fd].reify = 1;
287		402
288	++fdchangecnt;	403	++fdchangecnt;
289	array_needsize (fdchanges, fdchangemax, fdchangecnt, );	404	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void));
290	fdchanges [fdchangecnt - 1] = fd;	405	fdchanges [fdchangecnt - 1] = fd;
291	}	406	}
292		407
293	static void	408	static void
294	fd_kill (int fd)	409	fd_kill (EV_P_ int fd)
295	{	410	{
296	struct ev_io *w;	411	struct ev_io *w;
297		412
298	printf ("killing fd %d\n", fd);//D
299	while ((w = anfds [fd].head))	413	while ((w = (struct ev_io *)anfds [fd].head))
300	{	414	{
301	ev_io_stop (w);	415	ev_io_stop (EV_A_ w);
302	event ((W)w, EV_ERROR \| EV_READ \| EV_WRITE);	416	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
303	}	417	}
		418	}
		419
		420	static int
		421	fd_valid (int fd)
		422	{
		423	#ifdef WIN32
		424	return !!win32_get_osfhandle (fd);
		425	#else
		426	return fcntl (fd, F_GETFD) != -1;
		427	#endif
304	}	428	}
305		429
306	/* called on EBADF to verify fds */	430	/* called on EBADF to verify fds */
307	static void	431	static void
308	fd_ebadf (void)	432	fd_ebadf (EV_P)
309	{	433	{
310	int fd;	434	int fd;
311		435
312	for (fd = 0; fd < anfdmax; ++fd)	436	for (fd = 0; fd < anfdmax; ++fd)
313	if (anfds [fd].events)	437	if (anfds [fd].events)
314	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)	438	if (!fd_valid (fd) == -1 && errno == EBADF)
315	fd_kill (fd);	439	fd_kill (EV_A_ fd);
316	}	440	}
317		441
318	/* called on ENOMEM in select/poll to kill some fds and retry */	442	/* called on ENOMEM in select/poll to kill some fds and retry */
319	static void	443	static void
320	fd_enomem (void)	444	fd_enomem (EV_P)
321	{	445	{
322	int fd = anfdmax;	446	int fd;
323		447
324	while (fd--)	448	for (fd = anfdmax; fd--; )
325	if (anfds [fd].events)	449	if (anfds [fd].events)
326	{	450	{
327	close (fd);
328	fd_kill (fd);	451	fd_kill (EV_A_ fd);
329	return;	452	return;
330	}	453	}
331	}	454	}
332		455
		456	/* usually called after fork if method needs to re-arm all fds from scratch */
		457	static void
		458	fd_rearm_all (EV_P)
		459	{
		460	int fd;
		461
		462	/* this should be highly optimised to not do anything but set a flag */
		463	for (fd = 0; fd < anfdmax; ++fd)
		464	if (anfds [fd].events)
		465	{
		466	anfds [fd].events = 0;
		467	fd_change (EV_A_ fd);
		468	}
		469	}
		470
333	/*****************************************************************************/	471	/*****************************************************************************/
334		472
335	static struct ev_timer **timers;
336	static int timermax, timercnt;
337
338	static struct ev_periodic **periodics;
339	static int periodicmax, periodiccnt;
340
341	static void	473	static void
342	upheap (WT *timers, int k)	474	upheap (WT *heap, int k)
343	{	475	{
344	WT w = timers [k];	476	WT w = heap [k];
345		477
346	while (k && timers [k >> 1]->at > w->at)	478	while (k && heap [k >> 1]->at > w->at)
347	{	479	{
348	timers [k] = timers [k >> 1];	480	heap [k] = heap [k >> 1];
349	timers [k]->active = k + 1;	481	((W)heap [k])->active = k + 1;
350	k >>= 1;	482	k >>= 1;
351	}	483	}
352		484
353	timers [k] = w;	485	heap [k] = w;
354	timers [k]->active = k + 1;	486	((W)heap [k])->active = k + 1;
355		487
356	}	488	}
357		489
358	static void	490	static void
359	downheap (WT *timers, int N, int k)	491	downheap (WT *heap, int N, int k)
360	{	492	{
361	WT w = timers [k];	493	WT w = heap [k];
362		494
363	while (k < (N >> 1))	495	while (k < (N >> 1))
364	{	496	{
365	int j = k << 1;	497	int j = k << 1;
366		498
367	if (j + 1 < N && timers [j]->at > timers [j + 1]->at)	499	if (j + 1 < N && heap [j]->at > heap [j + 1]->at)
368	++j;	500	++j;
369		501
370	if (w->at <= timers [j]->at)	502	if (w->at <= heap [j]->at)
371	break;	503	break;
372		504
373	timers [k] = timers [j];	505	heap [k] = heap [j];
374	timers [k]->active = k + 1;	506	((W)heap [k])->active = k + 1;
375	k = j;	507	k = j;
376	}	508	}
377		509
378	timers [k] = w;	510	heap [k] = w;
379	timers [k]->active = k + 1;	511	((W)heap [k])->active = k + 1;
380	}	512	}
381		513
382	/*****************************************************************************/	514	/*****************************************************************************/
383		515
384	typedef struct	516	typedef struct
385	{	517	{
386	struct ev_signal *head;	518	WL head;
387	sig_atomic_t volatile gotsig;	519	sig_atomic_t volatile gotsig;
388	} ANSIG;	520	} ANSIG;
389		521
390	static ANSIG *signals;	522	static ANSIG *signals;
391	static int signalmax;	523	static int signalmax;
…		…
407	}	539	}
408		540
409	static void	541	static void
410	sighandler (int signum)	542	sighandler (int signum)
411	{	543	{
		544	#if WIN32
		545	signal (signum, sighandler);
		546	#endif
		547
412	signals [signum - 1].gotsig = 1;	548	signals [signum - 1].gotsig = 1;
413		549
414	if (!gotsig)	550	if (!gotsig)
415	{	551	{
		552	int old_errno = errno;
416	gotsig = 1;	553	gotsig = 1;
		554	#ifdef WIN32
		555	send (sigpipe [1], &signum, 1, MSG_DONTWAIT);
		556	#else
417	write (sigpipe [1], &signum, 1);	557	write (sigpipe [1], &signum, 1);
		558	#endif
		559	errno = old_errno;
418	}	560	}
419	}	561	}
420		562
		563	void
		564	ev_feed_signal_event (EV_P_ int signum)
		565	{
		566	#if EV_MULTIPLICITY
		567	assert (("feeding signal events is only supported in the default loop", loop == default_loop));
		568	#endif
		569
		570	--signum;
		571
		572	if (signum < 0 \|\| signum >= signalmax)
		573	return;
		574
		575	signals [signum].gotsig = 0;
		576
		577	for (w = signals [signum].head; w; w = w->next)
		578	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
		579	}
		580
421	static void	581	static void
422	sigcb (struct ev_io *iow, int revents)	582	sigcb (EV_P_ struct ev_io *iow, int revents)
423	{	583	{
424	struct ev_signal *w;	584	WL w;
425	int signum;	585	int signum;
426		586
		587	#ifdef WIN32
		588	recv (sigpipe [0], &revents, 1, MSG_DONTWAIT);
		589	#else
427	read (sigpipe [0], &revents, 1);	590	read (sigpipe [0], &revents, 1);
		591	#endif
428	gotsig = 0;	592	gotsig = 0;
429		593
430	for (signum = signalmax; signum--; )	594	for (signum = signalmax; signum--; )
431	if (signals [signum].gotsig)	595	if (signals [signum].gotsig)
432	{	596	sigevent (EV_A_ signum + 1);
433	signals [signum].gotsig = 0;
434
435	for (w = signals [signum].head; w; w = w->next)
436	event ((W)w, EV_SIGNAL);
437	}
438	}	597	}
439		598
440	static void	599	static void
441	siginit (void)	600	siginit (EV_P)
442	{	601	{
		602	#ifndef WIN32
443	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	603	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);
444	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);	604	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
445		605
446	/* rather than sort out wether we really need nb, set it */	606	/* rather than sort out wether we really need nb, set it */
447	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);	607	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
448	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);	608	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
		609	#endif
449		610
450	ev_io_set (&sigev, sigpipe [0], EV_READ);	611	ev_io_set (&sigev, sigpipe [0], EV_READ);
451	ev_io_start (&sigev);	612	ev_io_start (EV_A_ &sigev);
		613	ev_unref (EV_A); /* child watcher should not keep loop alive */
452	}	614	}
453		615
454	/*****************************************************************************/	616	/*****************************************************************************/
455		617
456	static struct ev_idle **idles;
457	static int idlemax, idlecnt;
458
459	static struct ev_prepare **prepares;
460	static int preparemax, preparecnt;
461
462	static struct ev_check **checks;
463	static int checkmax, checkcnt;
464
465	/*****************************************************************************/
466
467	static struct ev_child *childs [PID_HASHSIZE];	618	static struct ev_child *childs [PID_HASHSIZE];
		619
		620	#ifndef WIN32
		621
468	static struct ev_signal childev;	622	static struct ev_signal childev;
469		623
470	#ifndef WCONTINUED	624	#ifndef WCONTINUED
471	# define WCONTINUED 0	625	# define WCONTINUED 0
472	#endif	626	#endif
473		627
474	static void	628	static void
475	childcb (struct ev_signal *sw, int revents)	629	child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status)
476	{	630	{
477	struct ev_child *w;	631	struct ev_child *w;
		632
		633	for (w = (struct ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child )((WL)w)->next)
		634	if (w->pid == pid \|\| !w->pid)
		635	{
		636	ev_priority (w) = ev_priority (sw); /* need to do it now */
		637	w->rpid = pid;
		638	w->rstatus = status;
		639	ev_feed_event (EV_A_ (W)w, EV_CHILD);
		640	}
		641	}
		642
		643	static void
		644	childcb (EV_P_ struct ev_signal *sw, int revents)
		645	{
478	int pid, status;	646	int pid, status;
479		647
480	while ((pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)) != -1)	648	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
481	for (w = childs [pid & (PID_HASHSIZE - 1)]; w; w = w->next)	649	{
482	if (w->pid == pid \|\| !w->pid)	650	/* make sure we are called again until all childs have been reaped */
483	{	651	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
484	w->status = status;	652
485	event ((W)w, EV_CHILD);	653	child_reap (EV_A_ sw, pid, pid, status);
486	}	654	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
		655	}
487	}	656	}
		657
		658	#endif
488		659
489	/*****************************************************************************/	660	/*****************************************************************************/
490		661
491	#if EV_USE_KQUEUE	662	#if EV_USE_KQUEUE
492	# include "ev_kqueue.c"	663	# include "ev_kqueue.c"
…		…
511	ev_version_minor (void)	682	ev_version_minor (void)
512	{	683	{
513	return EV_VERSION_MINOR;	684	return EV_VERSION_MINOR;
514	}	685	}
515		686
516	/* return true if we are running with elevated privileges and ignore env variables */	687	/* return true if we are running with elevated privileges and should ignore env variables */
517	static int	688	static int
518	enable_secure ()	689	enable_secure (void)
519	{	690	{
		691	#ifdef WIN32
		692	return 0;
		693	#else
520	return getuid () != geteuid ()	694	return getuid () != geteuid ()
521	\|\| getgid () != getegid ();	695	\|\| getgid () != getegid ();
		696	#endif
522	}	697	}
523		698
524	int ev_init (int methods)	699	int
		700	ev_method (EV_P)
525	{	701	{
		702	return method;
		703	}
		704
		705	static void
		706	loop_init (EV_P_ int methods)
		707	{
526	if (!ev_method)	708	if (!method)
527	{	709	{
528	#if EV_USE_MONOTONIC	710	#if EV_USE_MONOTONIC
529	{	711	{
530	struct timespec ts;	712	struct timespec ts;
531	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	713	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
532	have_monotonic = 1;	714	have_monotonic = 1;
533	}	715	}
534	#endif	716	#endif
535		717
536	ev_now = ev_time ();	718	rt_now = ev_time ();
537	now = get_clock ();	719	mn_now = get_clock ();
538	now_floor = now;	720	now_floor = mn_now;
539	diff = ev_now - now;	721	rtmn_diff = rt_now - mn_now;
540
541	if (pipe (sigpipe))
542	return 0;
543		722
544	if (methods == EVMETHOD_AUTO)	723	if (methods == EVMETHOD_AUTO)
545	if (!enable_secure () && getenv ("LIBEV_METHODS"))	724	if (!enable_secure () && getenv ("LIBEV_METHODS"))
546	methods = atoi (getenv ("LIBEV_METHODS"));	725	methods = atoi (getenv ("LIBEV_METHODS"));
547	else	726	else
548	methods = EVMETHOD_ANY;	727	methods = EVMETHOD_ANY;
549		728
550	ev_method = 0;	729	method = 0;
		730	#if EV_USE_WIN32
		731	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);
		732	#endif
551	#if EV_USE_KQUEUE	733	#if EV_USE_KQUEUE
552	if (!ev_method && (methods & EVMETHOD_KQUEUE)) kqueue_init (methods);	734	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);
553	#endif	735	#endif
554	#if EV_USE_EPOLL	736	#if EV_USE_EPOLL
555	if (!ev_method && (methods & EVMETHOD_EPOLL )) epoll_init (methods);	737	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);
556	#endif	738	#endif
557	#if EV_USE_POLL	739	#if EV_USE_POLL
558	if (!ev_method && (methods & EVMETHOD_POLL )) poll_init (methods);	740	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);
559	#endif	741	#endif
560	#if EV_USE_SELECT	742	#if EV_USE_SELECT
561	if (!ev_method && (methods & EVMETHOD_SELECT)) select_init (methods);	743	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);
562	#endif	744	#endif
563		745
		746	ev_watcher_init (&sigev, sigcb);
		747	ev_set_priority (&sigev, EV_MAXPRI);
		748	}
		749	}
		750
		751	void
		752	loop_destroy (EV_P)
		753	{
		754	int i;
		755
		756	#if EV_USE_WIN32
		757	if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);
		758	#endif
		759	#if EV_USE_KQUEUE
		760	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
		761	#endif
		762	#if EV_USE_EPOLL
		763	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);
		764	#endif
		765	#if EV_USE_POLL
		766	if (method == EVMETHOD_POLL ) poll_destroy (EV_A);
		767	#endif
		768	#if EV_USE_SELECT
		769	if (method == EVMETHOD_SELECT) select_destroy (EV_A);
		770	#endif
		771
		772	for (i = NUMPRI; i--; )
		773	array_free (pending, [i]);
		774
		775	/* have to use the microsoft-never-gets-it-right macro */
		776	array_free_microshit (fdchange);
		777	array_free_microshit (timer);
		778	array_free_microshit (periodic);
		779	array_free_microshit (idle);
		780	array_free_microshit (prepare);
		781	array_free_microshit (check);
		782
		783	method = 0;
		784	}
		785
		786	static void
		787	loop_fork (EV_P)
		788	{
		789	#if EV_USE_EPOLL
		790	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
		791	#endif
		792	#if EV_USE_KQUEUE
		793	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
		794	#endif
		795
		796	if (ev_is_active (&sigev))
		797	{
		798	/* default loop */
		799
		800	ev_ref (EV_A);
		801	ev_io_stop (EV_A_ &sigev);
		802	close (sigpipe [0]);
		803	close (sigpipe [1]);
		804
		805	while (pipe (sigpipe))
		806	syserr ("(libev) error creating pipe");
		807
		808	siginit (EV_A);
		809	}
		810
		811	postfork = 0;
		812	}
		813
		814	#if EV_MULTIPLICITY
		815	struct ev_loop *
		816	ev_loop_new (int methods)
		817	{
		818	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
		819
		820	memset (loop, 0, sizeof (struct ev_loop));
		821
		822	loop_init (EV_A_ methods);
		823
		824	if (ev_method (EV_A))
		825	return loop;
		826
		827	return 0;
		828	}
		829
		830	void
		831	ev_loop_destroy (EV_P)
		832	{
		833	loop_destroy (EV_A);
		834	ev_free (loop);
		835	}
		836
		837	void
		838	ev_loop_fork (EV_P)
		839	{
		840	postfork = 1;
		841	}
		842
		843	#endif
		844
		845	#if EV_MULTIPLICITY
		846	struct ev_loop default_loop_struct;
		847	static struct ev_loop *default_loop;
		848
		849	struct ev_loop *
		850	#else
		851	static int default_loop;
		852
		853	int
		854	#endif
		855	ev_default_loop (int methods)
		856	{
		857	if (sigpipe [0] == sigpipe [1])
		858	if (pipe (sigpipe))
		859	return 0;
		860
		861	if (!default_loop)
		862	{
		863	#if EV_MULTIPLICITY
		864	struct ev_loop *loop = default_loop = &default_loop_struct;
		865	#else
		866	default_loop = 1;
		867	#endif
		868
		869	loop_init (EV_A_ methods);
		870
564	if (ev_method)	871	if (ev_method (EV_A))
565	{	872	{
566	ev_watcher_init (&sigev, sigcb);
567	siginit ();	873	siginit (EV_A);
568		874
		875	#ifndef WIN32
569	ev_signal_init (&childev, childcb, SIGCHLD);	876	ev_signal_init (&childev, childcb, SIGCHLD);
		877	ev_set_priority (&childev, EV_MAXPRI);
570	ev_signal_start (&childev);	878	ev_signal_start (EV_A_ &childev);
		879	ev_unref (EV_A); /* child watcher should not keep loop alive */
		880	#endif
571	}	881	}
		882	else
		883	default_loop = 0;
572	}	884	}
573		885
574	return ev_method;	886	return default_loop;
		887	}
		888
		889	void
		890	ev_default_destroy (void)
		891	{
		892	#if EV_MULTIPLICITY
		893	struct ev_loop *loop = default_loop;
		894	#endif
		895
		896	#ifndef WIN32
		897	ev_ref (EV_A); /* child watcher */
		898	ev_signal_stop (EV_A_ &childev);
		899	#endif
		900
		901	ev_ref (EV_A); /* signal watcher */
		902	ev_io_stop (EV_A_ &sigev);
		903
		904	close (sigpipe [0]); sigpipe [0] = 0;
		905	close (sigpipe [1]); sigpipe [1] = 0;
		906
		907	loop_destroy (EV_A);
		908	}
		909
		910	void
		911	ev_default_fork (void)
		912	{
		913	#if EV_MULTIPLICITY
		914	struct ev_loop *loop = default_loop;
		915	#endif
		916
		917	if (method)
		918	postfork = 1;
575	}	919	}
576		920
577	/*****************************************************************************/	921	/*****************************************************************************/
578		922
579	void
580	ev_fork_prepare (void)
581	{
582	/* nop */
583	}
584
585	void
586	ev_fork_parent (void)
587	{
588	/* nop */
589	}
590
591	void
592	ev_fork_child (void)
593	{
594	#if EV_USE_EPOLL
595	if (ev_method == EVMETHOD_EPOLL)
596	epoll_postfork_child ();
597	#endif
598
599	ev_io_stop (&sigev);
600	close (sigpipe [0]);
601	close (sigpipe [1]);
602	pipe (sigpipe);
603	siginit ();
604	}
605
606	/*****************************************************************************/
607
608	static void	923	static int
		924	any_pending (EV_P)
		925	{
		926	int pri;
		927
		928	for (pri = NUMPRI; pri--; )
		929	if (pendingcnt [pri])
		930	return 1;
		931
		932	return 0;
		933	}
		934
		935	static void
609	call_pending (void)	936	call_pending (EV_P)
610	{	937	{
611	int pri;	938	int pri;
612		939
613	for (pri = NUMPRI; pri--; )	940	for (pri = NUMPRI; pri--; )
614	while (pendingcnt [pri])	941	while (pendingcnt [pri])
…		…
616	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	943	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
617		944
618	if (p->w)	945	if (p->w)
619	{	946	{
620	p->w->pending = 0;	947	p->w->pending = 0;
621	p->w->cb (p->w, p->events);	948	p->w->cb (EV_A_ p->w, p->events);
622	}	949	}
623	}	950	}
624	}	951	}
625		952
626	static void	953	static void
627	timers_reify (void)	954	timers_reify (EV_P)
628	{	955	{
629	while (timercnt && timers [0]->at <= now)	956	while (timercnt && ((WT)timers [0])->at <= mn_now)
630	{	957	{
631	struct ev_timer *w = timers [0];	958	struct ev_timer *w = timers [0];
		959
		960	assert (("inactive timer on timer heap detected", ev_is_active (w)));
632		961
633	/* first reschedule or stop timer */	962	/* first reschedule or stop timer */
634	if (w->repeat)	963	if (w->repeat)
635	{	964	{
636	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	965	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
637	w->at = now + w->repeat;	966	((WT)w)->at = mn_now + w->repeat;
638	downheap ((WT *)timers, timercnt, 0);	967	downheap ((WT *)timers, timercnt, 0);
639	}	968	}
640	else	969	else
641	ev_timer_stop (w); /* nonrepeating: stop timer */	970	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
642		971
643	event ((W)w, EV_TIMEOUT);	972	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
644	}	973	}
645	}	974	}
646		975
647	static void	976	static void
648	periodics_reify (void)	977	periodics_reify (EV_P)
649	{	978	{
650	while (periodiccnt && periodics [0]->at <= ev_now)	979	while (periodiccnt && ((WT)periodics [0])->at <= rt_now)
651	{	980	{
652	struct ev_periodic *w = periodics [0];	981	struct ev_periodic *w = periodics [0];
653		982
		983	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
		984
654	/* first reschedule or stop timer */	985	/* first reschedule or stop timer */
655	if (w->interval)	986	if (w->reschedule_cb)
656	{	987	{
		988	ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, rt_now + 0.0001);
		989
		990	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > rt_now));
		991	downheap ((WT *)periodics, periodiccnt, 0);
		992	}
		993	else if (w->interval)
		994	{
657	w->at += floor ((ev_now - w->at) / w->interval + 1.) * w->interval;	995	((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
658	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > ev_now));	996	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now));
659	downheap ((WT *)periodics, periodiccnt, 0);	997	downheap ((WT *)periodics, periodiccnt, 0);
660	}	998	}
661	else	999	else
662	ev_periodic_stop (w); /* nonrepeating: stop timer */	1000	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
663		1001
664	event ((W)w, EV_PERIODIC);	1002	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
665	}	1003	}
666	}	1004	}
667		1005
668	static void	1006	static void
669	periodics_reschedule (ev_tstamp diff)	1007	periodics_reschedule (EV_P)
670	{	1008	{
671	int i;	1009	int i;
672		1010
673	/* adjust periodics after time jump */	1011	/* adjust periodics after time jump */
674	for (i = 0; i < periodiccnt; ++i)	1012	for (i = 0; i < periodiccnt; ++i)
675	{	1013	{
676	struct ev_periodic *w = periodics [i];	1014	struct ev_periodic *w = periodics [i];
677		1015
		1016	if (w->reschedule_cb)
		1017	((WT)w)->at = w->reschedule_cb (w, rt_now);
678	if (w->interval)	1018	else if (w->interval)
679	{
680	ev_tstamp diff = ceil ((ev_now - w->at) / w->interval) * w->interval;	1019	((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
681
682	if (fabs (diff) >= 1e-4)
683	{
684	ev_periodic_stop (w);
685	ev_periodic_start (w);
686
687	i = 0; /* restart loop, inefficient, but time jumps should be rare */
688	}
689	}
690	}	1020	}
691	}
692		1021
693	static int	1022	/* now rebuild the heap */
		1023	for (i = periodiccnt >> 1; i--; )
		1024	downheap ((WT *)periodics, periodiccnt, i);
		1025	}
		1026
		1027	inline int
694	time_update_monotonic (void)	1028	time_update_monotonic (EV_P)
695	{	1029	{
696	now = get_clock ();	1030	mn_now = get_clock ();
697		1031
698	if (expect_true (now - now_floor < MIN_TIMEJUMP * .5))	1032	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
699	{	1033	{
700	ev_now = now + diff;	1034	rt_now = rtmn_diff + mn_now;
701	return 0;	1035	return 0;
702	}	1036	}
703	else	1037	else
704	{	1038	{
705	now_floor = now;	1039	now_floor = mn_now;
706	ev_now = ev_time ();	1040	rt_now = ev_time ();
707	return 1;	1041	return 1;
708	}	1042	}
709	}	1043	}
710		1044
711	static void	1045	static void
712	time_update (void)	1046	time_update (EV_P)
713	{	1047	{
714	int i;	1048	int i;
715		1049
716	#if EV_USE_MONOTONIC	1050	#if EV_USE_MONOTONIC
717	if (expect_true (have_monotonic))	1051	if (expect_true (have_monotonic))
718	{	1052	{
719	if (time_update_monotonic ())	1053	if (time_update_monotonic (EV_A))
720	{	1054	{
721	ev_tstamp odiff = diff;	1055	ev_tstamp odiff = rtmn_diff;
722		1056
723	for (i = 4; --i; ) /* loop a few times, before making important decisions */	1057	for (i = 4; --i; ) /* loop a few times, before making important decisions */
724	{	1058	{
725	diff = ev_now - now;	1059	rtmn_diff = rt_now - mn_now;
726		1060
727	if (fabs (odiff - diff) < MIN_TIMEJUMP)	1061	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
728	return; /* all is well */	1062	return; /* all is well */
729		1063
730	ev_now = ev_time ();	1064	rt_now = ev_time ();
731	now = get_clock ();	1065	mn_now = get_clock ();
732	now_floor = now;	1066	now_floor = mn_now;
733	}	1067	}
734		1068
735	periodics_reschedule (diff - odiff);	1069	periodics_reschedule (EV_A);
736	/* no timer adjustment, as the monotonic clock doesn't jump */	1070	/* no timer adjustment, as the monotonic clock doesn't jump */
		1071	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
737	}	1072	}
738	}	1073	}
739	else	1074	else
740	#endif	1075	#endif
741	{	1076	{
742	ev_now = ev_time ();	1077	rt_now = ev_time ();
743		1078
744	if (expect_false (now > ev_now \|\| now < ev_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1079	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
745	{	1080	{
746	periodics_reschedule (ev_now - now);	1081	periodics_reschedule (EV_A);
747		1082
748	/* adjust timers. this is easy, as the offset is the same for all */	1083	/* adjust timers. this is easy, as the offset is the same for all */
749	for (i = 0; i < timercnt; ++i)	1084	for (i = 0; i < timercnt; ++i)
750	timers [i]->at += diff;	1085	((WT)timers [i])->at += rt_now - mn_now;
751	}	1086	}
752		1087
753	now = ev_now;	1088	mn_now = rt_now;
754	}	1089	}
755	}	1090	}
756		1091
757	int ev_loop_done;	1092	void
		1093	ev_ref (EV_P)
		1094	{
		1095	++activecnt;
		1096	}
758		1097
		1098	void
		1099	ev_unref (EV_P)
		1100	{
		1101	--activecnt;
		1102	}
		1103
		1104	static int loop_done;
		1105
		1106	void
759	void ev_loop (int flags)	1107	ev_loop (EV_P_ int flags)
760	{	1108	{
761	double block;	1109	double block;
762	ev_loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1110	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
763		1111
764	do	1112	do
765	{	1113	{
766	/* queue check watchers (and execute them) */	1114	/* queue check watchers (and execute them) */
767	if (expect_false (preparecnt))	1115	if (expect_false (preparecnt))
768	{	1116	{
769	queue_events ((W *)prepares, preparecnt, EV_PREPARE);	1117	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
770	call_pending ();	1118	call_pending (EV_A);
771	}	1119	}
772		1120
		1121	/* we might have forked, so reify kernel state if necessary */
		1122	if (expect_false (postfork))
		1123	loop_fork (EV_A);
		1124
773	/* update fd-related kernel structures */	1125	/* update fd-related kernel structures */
774	fd_reify ();	1126	fd_reify (EV_A);
775		1127
776	/* calculate blocking time */	1128	/* calculate blocking time */
777		1129
778	/* we only need this for !monotonic clockor timers, but as we basically	1130	/* we only need this for !monotonic clock or timers, but as we basically
779	always have timers, we just calculate it always */	1131	always have timers, we just calculate it always */
780	#if EV_USE_MONOTONIC	1132	#if EV_USE_MONOTONIC
781	if (expect_true (have_monotonic))	1133	if (expect_true (have_monotonic))
782	time_update_monotonic ();	1134	time_update_monotonic (EV_A);
783	else	1135	else
784	#endif	1136	#endif
785	{	1137	{
786	ev_now = ev_time ();	1138	rt_now = ev_time ();
787	now = ev_now;	1139	mn_now = rt_now;
788	}	1140	}
789		1141
790	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1142	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
791	block = 0.;	1143	block = 0.;
792	else	1144	else
793	{	1145	{
794	block = MAX_BLOCKTIME;	1146	block = MAX_BLOCKTIME;
795		1147
796	if (timercnt)	1148	if (timercnt)
797	{	1149	{
798	ev_tstamp to = timers [0]->at - now + method_fudge;	1150	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
799	if (block > to) block = to;	1151	if (block > to) block = to;
800	}	1152	}
801		1153
802	if (periodiccnt)	1154	if (periodiccnt)
803	{	1155	{
804	ev_tstamp to = periodics [0]->at - ev_now + method_fudge;	1156	ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;
805	if (block > to) block = to;	1157	if (block > to) block = to;
806	}	1158	}
807		1159
808	if (block < 0.) block = 0.;	1160	if (block < 0.) block = 0.;
809	}	1161	}
810		1162
811	method_poll (block);	1163	method_poll (EV_A_ block);
812		1164
813	/* update ev_now, do magic */	1165	/* update rt_now, do magic */
814	time_update ();	1166	time_update (EV_A);
815		1167
816	/* queue pending timers and reschedule them */	1168	/* queue pending timers and reschedule them */
817	timers_reify (); /* relative timers called last */	1169	timers_reify (EV_A); /* relative timers called last */
818	periodics_reify (); /* absolute timers called first */	1170	periodics_reify (EV_A); /* absolute timers called first */
819		1171
820	/* queue idle watchers unless io or timers are pending */	1172	/* queue idle watchers unless io or timers are pending */
821	if (!pendingcnt)	1173	if (idlecnt && !any_pending (EV_A))
822	queue_events ((W *)idles, idlecnt, EV_IDLE);	1174	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
823		1175
824	/* queue check watchers, to be executed first */	1176	/* queue check watchers, to be executed first */
825	if (checkcnt)	1177	if (checkcnt)
826	queue_events ((W *)checks, checkcnt, EV_CHECK);	1178	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
827		1179
828	call_pending ();	1180	call_pending (EV_A);
829	}	1181	}
830	while (!ev_loop_done);	1182	while (activecnt && !loop_done);
831		1183
832	if (ev_loop_done != 2)	1184	if (loop_done != 2)
833	ev_loop_done = 0;	1185	loop_done = 0;
		1186	}
		1187
		1188	void
		1189	ev_unloop (EV_P_ int how)
		1190	{
		1191	loop_done = how;
834	}	1192	}
835		1193
836	/*****************************************************************************/	1194	/*****************************************************************************/
837		1195
838	static void	1196	inline void
839	wlist_add (WL *head, WL elem)	1197	wlist_add (WL *head, WL elem)
840	{	1198	{
841	elem->next = *head;	1199	elem->next = *head;
842	*head = elem;	1200	*head = elem;
843	}	1201	}
844		1202
845	static void	1203	inline void
846	wlist_del (WL *head, WL elem)	1204	wlist_del (WL *head, WL elem)
847	{	1205	{
848	while (*head)	1206	while (*head)
849	{	1207	{
850	if (*head == elem)	1208	if (*head == elem)
…		…
855		1213
856	head = &(*head)->next;	1214	head = &(*head)->next;
857	}	1215	}
858	}	1216	}
859		1217
860	static void	1218	inline void
861	ev_clear_pending (W w)	1219	ev_clear_pending (EV_P_ W w)
862	{	1220	{
863	if (w->pending)	1221	if (w->pending)
864	{	1222	{
865	pendings [ABSPRI (w)][w->pending - 1].w = 0;	1223	pendings [ABSPRI (w)][w->pending - 1].w = 0;
866	w->pending = 0;	1224	w->pending = 0;
867	}	1225	}
868	}	1226	}
869		1227
870	static void	1228	inline void
871	ev_start (W w, int active)	1229	ev_start (EV_P_ W w, int active)
872	{	1230	{
873	if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;	1231	if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;
874	if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;	1232	if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
875		1233
876	w->active = active;	1234	w->active = active;
		1235	ev_ref (EV_A);
877	}	1236	}
878		1237
879	static void	1238	inline void
880	ev_stop (W w)	1239	ev_stop (EV_P_ W w)
881	{	1240	{
		1241	ev_unref (EV_A);
882	w->active = 0;	1242	w->active = 0;
883	}	1243	}
884		1244
885	/*****************************************************************************/	1245	/*****************************************************************************/
886		1246
887	void	1247	void
888	ev_io_start (struct ev_io *w)	1248	ev_io_start (EV_P_ struct ev_io *w)
889	{	1249	{
890	int fd = w->fd;	1250	int fd = w->fd;
891		1251
892	if (ev_is_active (w))	1252	if (ev_is_active (w))
893	return;	1253	return;
894		1254
895	assert (("ev_io_start called with negative fd", fd >= 0));	1255	assert (("ev_io_start called with negative fd", fd >= 0));
896		1256
897	ev_start ((W)w, 1);	1257	ev_start (EV_A_ (W)w, 1);
898	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	1258	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
899	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1259	wlist_add ((WL *)&anfds[fd].head, (WL)w);
900		1260
901	fd_change (fd);	1261	fd_change (EV_A_ fd);
902	}	1262	}
903		1263
904	void	1264	void
905	ev_io_stop (struct ev_io *w)	1265	ev_io_stop (EV_P_ struct ev_io *w)
906	{	1266	{
907	ev_clear_pending ((W)w);	1267	ev_clear_pending (EV_A_ (W)w);
908	if (!ev_is_active (w))	1268	if (!ev_is_active (w))
909	return;	1269	return;
910		1270
911	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1271	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
912	ev_stop ((W)w);	1272	ev_stop (EV_A_ (W)w);
913		1273
914	fd_change (w->fd);	1274	fd_change (EV_A_ w->fd);
915	}	1275	}
916		1276
917	void	1277	void
918	ev_timer_start (struct ev_timer *w)	1278	ev_timer_start (EV_P_ struct ev_timer *w)
919	{	1279	{
920	if (ev_is_active (w))	1280	if (ev_is_active (w))
921	return;	1281	return;
922		1282
923	w->at += now;	1283	((WT)w)->at += mn_now;
924		1284
925	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1285	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
926		1286
927	ev_start ((W)w, ++timercnt);	1287	ev_start (EV_A_ (W)w, ++timercnt);
928	array_needsize (timers, timermax, timercnt, );	1288	array_needsize (struct ev_timer *, timers, timermax, timercnt, (void));
929	timers [timercnt - 1] = w;	1289	timers [timercnt - 1] = w;
930	upheap ((WT *)timers, timercnt - 1);	1290	upheap ((WT *)timers, timercnt - 1);
931	}
932		1291
		1292	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1293	}
		1294
933	void	1295	void
934	ev_timer_stop (struct ev_timer *w)	1296	ev_timer_stop (EV_P_ struct ev_timer *w)
935	{	1297	{
936	ev_clear_pending ((W)w);	1298	ev_clear_pending (EV_A_ (W)w);
937	if (!ev_is_active (w))	1299	if (!ev_is_active (w))
938	return;	1300	return;
939		1301
		1302	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1303
940	if (w->active < timercnt--)	1304	if (((W)w)->active < timercnt--)
941	{	1305	{
942	timers [w->active - 1] = timers [timercnt];	1306	timers [((W)w)->active - 1] = timers [timercnt];
943	downheap ((WT *)timers, timercnt, w->active - 1);	1307	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
944	}	1308	}
945		1309
946	w->at = w->repeat;	1310	((WT)w)->at = w->repeat;
947		1311
948	ev_stop ((W)w);	1312	ev_stop (EV_A_ (W)w);
949	}	1313	}
950		1314
951	void	1315	void
952	ev_timer_again (struct ev_timer *w)	1316	ev_timer_again (EV_P_ struct ev_timer *w)
953	{	1317	{
954	if (ev_is_active (w))	1318	if (ev_is_active (w))
955	{	1319	{
956	if (w->repeat)	1320	if (w->repeat)
957	{	1321	{
958	w->at = now + w->repeat;	1322	((WT)w)->at = mn_now + w->repeat;
959	downheap ((WT *)timers, timercnt, w->active - 1);	1323	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
960	}	1324	}
961	else	1325	else
962	ev_timer_stop (w);	1326	ev_timer_stop (EV_A_ w);
963	}	1327	}
964	else if (w->repeat)	1328	else if (w->repeat)
965	ev_timer_start (w);	1329	ev_timer_start (EV_A_ w);
966	}	1330	}
967		1331
968	void	1332	void
969	ev_periodic_start (struct ev_periodic *w)	1333	ev_periodic_start (EV_P_ struct ev_periodic *w)
970	{	1334	{
971	if (ev_is_active (w))	1335	if (ev_is_active (w))
972	return;	1336	return;
973		1337
		1338	if (w->reschedule_cb)
		1339	((WT)w)->at = w->reschedule_cb (w, rt_now);
		1340	else if (w->interval)
		1341	{
974	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1342	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
975
976	/* this formula differs from the one in periodic_reify because we do not always round up */	1343	/* this formula differs from the one in periodic_reify because we do not always round up */
977	if (w->interval)
978	w->at += ceil ((ev_now - w->at) / w->interval) * w->interval;	1344	((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
		1345	}
979		1346
980	ev_start ((W)w, ++periodiccnt);	1347	ev_start (EV_A_ (W)w, ++periodiccnt);
981	array_needsize (periodics, periodicmax, periodiccnt, );	1348	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void));
982	periodics [periodiccnt - 1] = w;	1349	periodics [periodiccnt - 1] = w;
983	upheap ((WT *)periodics, periodiccnt - 1);	1350	upheap ((WT *)periodics, periodiccnt - 1);
984	}
985		1351
		1352	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1353	}
		1354
986	void	1355	void
987	ev_periodic_stop (struct ev_periodic *w)	1356	ev_periodic_stop (EV_P_ struct ev_periodic *w)
988	{	1357	{
989	ev_clear_pending ((W)w);	1358	ev_clear_pending (EV_A_ (W)w);
990	if (!ev_is_active (w))	1359	if (!ev_is_active (w))
991	return;	1360	return;
992		1361
		1362	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1363
993	if (w->active < periodiccnt--)	1364	if (((W)w)->active < periodiccnt--)
994	{	1365	{
995	periodics [w->active - 1] = periodics [periodiccnt];	1366	periodics [((W)w)->active - 1] = periodics [periodiccnt];
996	downheap ((WT *)periodics, periodiccnt, w->active - 1);	1367	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
997	}	1368	}
998		1369
999	ev_stop ((W)w);	1370	ev_stop (EV_A_ (W)w);
1000	}	1371	}
1001		1372
1002	void	1373	void
		1374	ev_periodic_again (EV_P_ struct ev_periodic *w)
		1375	{
		1376	ev_periodic_stop (EV_A_ w);
		1377	ev_periodic_start (EV_A_ w);
		1378	}
		1379
		1380	void
1003	ev_signal_start (struct ev_signal *w)	1381	ev_idle_start (EV_P_ struct ev_idle *w)
1004	{	1382	{
1005	if (ev_is_active (w))	1383	if (ev_is_active (w))
1006	return;	1384	return;
1007		1385
		1386	ev_start (EV_A_ (W)w, ++idlecnt);
		1387	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void));
		1388	idles [idlecnt - 1] = w;
		1389	}
		1390
		1391	void
		1392	ev_idle_stop (EV_P_ struct ev_idle *w)
		1393	{
		1394	ev_clear_pending (EV_A_ (W)w);
		1395	if (ev_is_active (w))
		1396	return;
		1397
		1398	idles [((W)w)->active - 1] = idles [--idlecnt];
		1399	ev_stop (EV_A_ (W)w);
		1400	}
		1401
		1402	void
		1403	ev_prepare_start (EV_P_ struct ev_prepare *w)
		1404	{
		1405	if (ev_is_active (w))
		1406	return;
		1407
		1408	ev_start (EV_A_ (W)w, ++preparecnt);
		1409	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void));
		1410	prepares [preparecnt - 1] = w;
		1411	}
		1412
		1413	void
		1414	ev_prepare_stop (EV_P_ struct ev_prepare *w)
		1415	{
		1416	ev_clear_pending (EV_A_ (W)w);
		1417	if (ev_is_active (w))
		1418	return;
		1419
		1420	prepares [((W)w)->active - 1] = prepares [--preparecnt];
		1421	ev_stop (EV_A_ (W)w);
		1422	}
		1423
		1424	void
		1425	ev_check_start (EV_P_ struct ev_check *w)
		1426	{
		1427	if (ev_is_active (w))
		1428	return;
		1429
		1430	ev_start (EV_A_ (W)w, ++checkcnt);
		1431	array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void));
		1432	checks [checkcnt - 1] = w;
		1433	}
		1434
		1435	void
		1436	ev_check_stop (EV_P_ struct ev_check *w)
		1437	{
		1438	ev_clear_pending (EV_A_ (W)w);
		1439	if (ev_is_active (w))
		1440	return;
		1441
		1442	checks [((W)w)->active - 1] = checks [--checkcnt];
		1443	ev_stop (EV_A_ (W)w);
		1444	}
		1445
		1446	#ifndef SA_RESTART
		1447	# define SA_RESTART 0
		1448	#endif
		1449
		1450	void
		1451	ev_signal_start (EV_P_ struct ev_signal *w)
		1452	{
		1453	#if EV_MULTIPLICITY
		1454	assert (("signal watchers are only supported in the default loop", loop == default_loop));
		1455	#endif
		1456	if (ev_is_active (w))
		1457	return;
		1458
1008	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1459	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1009		1460
1010	ev_start ((W)w, 1);	1461	ev_start (EV_A_ (W)w, 1);
1011	array_needsize (signals, signalmax, w->signum, signals_init);	1462	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1012	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1463	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1013		1464
1014	if (!w->next)	1465	if (!((WL)w)->next)
1015	{	1466	{
		1467	#if WIN32
		1468	signal (w->signum, sighandler);
		1469	#else
1016	struct sigaction sa;	1470	struct sigaction sa;
1017	sa.sa_handler = sighandler;	1471	sa.sa_handler = sighandler;
1018	sigfillset (&sa.sa_mask);	1472	sigfillset (&sa.sa_mask);
1019	sa.sa_flags = 0;	1473	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1020	sigaction (w->signum, &sa, 0);	1474	sigaction (w->signum, &sa, 0);
		1475	#endif
1021	}	1476	}
1022	}	1477	}
1023		1478
1024	void	1479	void
1025	ev_signal_stop (struct ev_signal *w)	1480	ev_signal_stop (EV_P_ struct ev_signal *w)
1026	{	1481	{
1027	ev_clear_pending ((W)w);	1482	ev_clear_pending (EV_A_ (W)w);
1028	if (!ev_is_active (w))	1483	if (!ev_is_active (w))
1029	return;	1484	return;
1030		1485
1031	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1486	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1032	ev_stop ((W)w);	1487	ev_stop (EV_A_ (W)w);
1033		1488
1034	if (!signals [w->signum - 1].head)	1489	if (!signals [w->signum - 1].head)
1035	signal (w->signum, SIG_DFL);	1490	signal (w->signum, SIG_DFL);
1036	}	1491	}
1037		1492
1038	void	1493	void
1039	ev_idle_start (struct ev_idle *w)	1494	ev_child_start (EV_P_ struct ev_child *w)
1040	{	1495	{
		1496	#if EV_MULTIPLICITY
		1497	assert (("child watchers are only supported in the default loop", loop == default_loop));
		1498	#endif
1041	if (ev_is_active (w))	1499	if (ev_is_active (w))
1042	return;	1500	return;
1043		1501
1044	ev_start ((W)w, ++idlecnt);	1502	ev_start (EV_A_ (W)w, 1);
1045	array_needsize (idles, idlemax, idlecnt, );	1503	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1046	idles [idlecnt - 1] = w;
1047	}	1504	}
1048		1505
1049	void	1506	void
1050	ev_idle_stop (struct ev_idle *w)	1507	ev_child_stop (EV_P_ struct ev_child *w)
1051	{	1508	{
1052	ev_clear_pending ((W)w);	1509	ev_clear_pending (EV_A_ (W)w);
1053	if (ev_is_active (w))	1510	if (ev_is_active (w))
1054	return;	1511	return;
1055		1512
1056	idles [w->active - 1] = idles [--idlecnt];
1057	ev_stop ((W)w);
1058	}
1059
1060	void
1061	ev_prepare_start (struct ev_prepare *w)
1062	{
1063	if (ev_is_active (w))
1064	return;
1065
1066	ev_start ((W)w, ++preparecnt);
1067	array_needsize (prepares, preparemax, preparecnt, );
1068	prepares [preparecnt - 1] = w;
1069	}
1070
1071	void
1072	ev_prepare_stop (struct ev_prepare *w)
1073	{
1074	ev_clear_pending ((W)w);
1075	if (ev_is_active (w))
1076	return;
1077
1078	prepares [w->active - 1] = prepares [--preparecnt];
1079	ev_stop ((W)w);
1080	}
1081
1082	void
1083	ev_check_start (struct ev_check *w)
1084	{
1085	if (ev_is_active (w))
1086	return;
1087
1088	ev_start ((W)w, ++checkcnt);
1089	array_needsize (checks, checkmax, checkcnt, );
1090	checks [checkcnt - 1] = w;
1091	}
1092
1093	void
1094	ev_check_stop (struct ev_check *w)
1095	{
1096	ev_clear_pending ((W)w);
1097	if (ev_is_active (w))
1098	return;
1099
1100	checks [w->active - 1] = checks [--checkcnt];
1101	ev_stop ((W)w);
1102	}
1103
1104	void
1105	ev_child_start (struct ev_child *w)
1106	{
1107	if (ev_is_active (w))
1108	return;
1109
1110	ev_start ((W)w, 1);
1111	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1112	}
1113
1114	void
1115	ev_child_stop (struct ev_child *w)
1116	{
1117	ev_clear_pending ((W)w);
1118	if (ev_is_active (w))
1119	return;
1120
1121	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1513	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1122	ev_stop ((W)w);	1514	ev_stop (EV_A_ (W)w);
1123	}	1515	}
1124		1516
1125	/*****************************************************************************/	1517	/*****************************************************************************/
1126		1518
1127	struct ev_once	1519	struct ev_once
…		…
1131	void (cb)(int revents, void arg);	1523	void (cb)(int revents, void arg);
1132	void *arg;	1524	void *arg;
1133	};	1525	};
1134		1526
1135	static void	1527	static void
1136	once_cb (struct ev_once *once, int revents)	1528	once_cb (EV_P_ struct ev_once *once, int revents)
1137	{	1529	{
1138	void (cb)(int revents, void arg) = once->cb;	1530	void (cb)(int revents, void arg) = once->cb;
1139	void *arg = once->arg;	1531	void *arg = once->arg;
1140		1532
1141	ev_io_stop (&once->io);	1533	ev_io_stop (EV_A_ &once->io);
1142	ev_timer_stop (&once->to);	1534	ev_timer_stop (EV_A_ &once->to);
1143	free (once);	1535	ev_free (once);
1144		1536
1145	cb (revents, arg);	1537	cb (revents, arg);
1146	}	1538	}
1147		1539
1148	static void	1540	static void
1149	once_cb_io (struct ev_io *w, int revents)	1541	once_cb_io (EV_P_ struct ev_io *w, int revents)
1150	{	1542	{
1151	once_cb ((struct ev_once )(((char )w) - offsetof (struct ev_once, io)), revents);	1543	once_cb (EV_A_ (struct ev_once )(((char )w) - offsetof (struct ev_once, io)), revents);
1152	}	1544	}
1153		1545
1154	static void	1546	static void
1155	once_cb_to (struct ev_timer *w, int revents)	1547	once_cb_to (EV_P_ struct ev_timer *w, int revents)
1156	{	1548	{
1157	once_cb ((struct ev_once )(((char )w) - offsetof (struct ev_once, to)), revents);	1549	once_cb (EV_A_ (struct ev_once )(((char )w) - offsetof (struct ev_once, to)), revents);
1158	}	1550	}
1159		1551
1160	void	1552	void
1161	ev_once (int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1553	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1162	{	1554	{
1163	struct ev_once *once = malloc (sizeof (struct ev_once));	1555	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1164		1556
1165	if (!once)	1557	if (!once)
1166	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1558	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1167	else	1559	else
1168	{	1560	{
…		…
1171		1563
1172	ev_watcher_init (&once->io, once_cb_io);	1564	ev_watcher_init (&once->io, once_cb_io);
1173	if (fd >= 0)	1565	if (fd >= 0)
1174	{	1566	{
1175	ev_io_set (&once->io, fd, events);	1567	ev_io_set (&once->io, fd, events);
1176	ev_io_start (&once->io);	1568	ev_io_start (EV_A_ &once->io);
1177	}	1569	}
1178		1570
1179	ev_watcher_init (&once->to, once_cb_to);	1571	ev_watcher_init (&once->to, once_cb_to);
1180	if (timeout >= 0.)	1572	if (timeout >= 0.)
1181	{	1573	{
1182	ev_timer_set (&once->to, timeout, 0.);	1574	ev_timer_set (&once->to, timeout, 0.);
1183	ev_timer_start (&once->to);	1575	ev_timer_start (EV_A_ &once->to);
1184	}	1576	}
1185	}	1577	}
1186	}	1578	}
1187		1579
1188	/*****************************************************************************/
1189
1190	#if 0
1191
1192	struct ev_io wio;
1193
1194	static void
1195	sin_cb (struct ev_io *w, int revents)
1196	{
1197	fprintf (stderr, "sin %d, revents %d\n", w->fd, revents);
1198	}
1199
1200	static void
1201	ocb (struct ev_timer *w, int revents)
1202	{
1203	//fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data);
1204	ev_timer_stop (w);
1205	ev_timer_start (w);
1206	}
1207
1208	static void
1209	scb (struct ev_signal *w, int revents)
1210	{
1211	fprintf (stderr, "signal %x,%d\n", revents, w->signum);
1212	ev_io_stop (&wio);
1213	ev_io_start (&wio);
1214	}
1215
1216	static void
1217	gcb (struct ev_signal *w, int revents)
1218	{
1219	fprintf (stderr, "generic %x\n", revents);
1220
1221	}
1222
1223	int main (void)
1224	{
1225	ev_init (0);
1226
1227	ev_io_init (&wio, sin_cb, 0, EV_READ);
1228	ev_io_start (&wio);
1229
1230	struct ev_timer t[10000];
1231
1232	#if 0
1233	int i;
1234	for (i = 0; i < 10000; ++i)
1235	{
1236	struct ev_timer *w = t + i;
1237	ev_watcher_init (w, ocb, i);
1238	ev_timer_init_abs (w, ocb, drand48 (), 0.99775533);
1239	ev_timer_start (w);
1240	if (drand48 () < 0.5)
1241	ev_timer_stop (w);
1242	}
1243	#endif
1244
1245	struct ev_timer t1;
1246	ev_timer_init (&t1, ocb, 5, 10);
1247	ev_timer_start (&t1);
1248
1249	struct ev_signal sig;
1250	ev_signal_init (&sig, scb, SIGQUIT);
1251	ev_signal_start (&sig);
1252
1253	struct ev_check cw;
1254	ev_check_init (&cw, gcb);
1255	ev_check_start (&cw);
1256
1257	struct ev_idle iw;
1258	ev_idle_init (&iw, gcb);
1259	ev_idle_start (&iw);
1260
1261	ev_loop (0);
1262
1263	return 0;
1264	}
1265
1266	#endif
1267
1268
1269
1270

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Comparing libev/ev.c (file contents): Revision 1.44 by root, Fri Nov 2 20:59:14 2007 UTC vs. Revision 1.79 by root, Fri Nov 9 15:15:20 2007 UTC

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Comparing libev/ev.c (file contents):
Revision 1.44 by root, Fri Nov 2 20:59:14 2007 UTC vs.
Revision 1.79 by root, Fri Nov 9 15:15:20 2007 UTC