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

Comparing libev/ev.c (file contents):
Revision 1.41 by root, Fri Nov 2 16:54:34 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
…		…
62	# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */	87	# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */
63	#endif	88	#endif
64		89
65	#ifndef EV_USE_EPOLL	90	#ifndef EV_USE_EPOLL
66	# define EV_USE_EPOLL 0	91	# define EV_USE_EPOLL 0
		92	#endif
		93
		94	#ifndef EV_USE_KQUEUE
		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
67	#endif	106	#endif
68		107
69	#ifndef EV_USE_REALTIME	108	#ifndef EV_USE_REALTIME
70	# define EV_USE_REALTIME 1	109	# define EV_USE_REALTIME 1
71	#endif	110	#endif
…		…
100	#endif	139	#endif
101		140
102	#define expect_false(expr) expect ((expr) != 0, 0)	141	#define expect_false(expr) expect ((expr) != 0, 0)
103	#define expect_true(expr) expect ((expr) != 0, 1)	142	#define expect_true(expr) expect ((expr) != 0, 1)
104		143
		144	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
		145	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
		146
105	typedef struct ev_watcher *W;	147	typedef struct ev_watcher *W;
106	typedef struct ev_watcher_list *WL;	148	typedef struct ev_watcher_list *WL;
107	typedef struct ev_watcher_time *WT;	149	typedef struct ev_watcher_time *WT;
108		150
109	static ev_tstamp now_floor, now, diff; /* monotonic clock */	151	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
110	ev_tstamp ev_now;
111	int ev_method;
112		152
113	static int have_monotonic; /* runtime */	153	#include "ev_win32.c"
114
115	static ev_tstamp method_fudge; /* stupid epoll-returns-early bug */
116	static void (*method_modify)(int fd, int oev, int nev);
117	static void (*method_poll)(ev_tstamp timeout);
118		154
119	/*****************************************************************************/	155	/*****************************************************************************/
120		156
121	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
122	ev_time (void)	239	ev_time (void)
123	{	240	{
124	#if EV_USE_REALTIME	241	#if EV_USE_REALTIME
125	struct timespec ts;	242	struct timespec ts;
126	clock_gettime (CLOCK_REALTIME, &ts);	243	clock_gettime (CLOCK_REALTIME, &ts);
…		…
130	gettimeofday (&tv, 0);	247	gettimeofday (&tv, 0);
131	return tv.tv_sec + tv.tv_usec * 1e-6;	248	return tv.tv_sec + tv.tv_usec * 1e-6;
132	#endif	249	#endif
133	}	250	}
134		251
135	static ev_tstamp	252	inline ev_tstamp
136	get_clock (void)	253	get_clock (void)
137	{	254	{
138	#if EV_USE_MONOTONIC	255	#if EV_USE_MONOTONIC
139	if (expect_true (have_monotonic))	256	if (expect_true (have_monotonic))
140	{	257	{
…		…
145	#endif	262	#endif
146		263
147	return ev_time ();	264	return ev_time ();
148	}	265	}
149		266
		267	ev_tstamp
		268	ev_now (EV_P)
		269	{
		270	return rt_now;
		271	}
		272
150	#define array_roundsize(base,n) ((n) \| 4 & ~3)	273	#define array_roundsize(type,n) ((n) \| 4 & ~3)
151		274
152	#define array_needsize(base,cur,cnt,init) \	275	#define array_needsize(type,base,cur,cnt,init) \
153	if (expect_false ((cnt) > cur)) \	276	if (expect_false ((cnt) > cur)) \
154	{ \	277	{ \
155	int newcnt = cur; \	278	int newcnt = cur; \
156	do \	279	do \
157	{ \	280	{ \
158	newcnt = array_roundsize (base, newcnt << 1); \	281	newcnt = array_roundsize (type, newcnt << 1); \
159	} \	282	} \
160	while ((cnt) > newcnt); \	283	while ((cnt) > newcnt); \
161	\	284	\
162	base = realloc (base, sizeof (base) (newcnt)); \	285	base = (type )ev_realloc (base, sizeof (type) (newcnt));\
163	init (base + cur, newcnt - cur); \	286	init (base + cur, newcnt - cur); \
164	cur = newcnt; \	287	cur = newcnt; \
165	}	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;
166		305
167	/*****************************************************************************/	306	/*****************************************************************************/
168
169	typedef struct
170	{
171	struct ev_io *head;
172	unsigned char events;
173	unsigned char reify;
174	} ANFD;
175
176	static ANFD *anfds;
177	static int anfdmax;
178		307
179	static void	308	static void
180	anfds_init (ANFD *base, int count)	309	anfds_init (ANFD *base, int count)
181	{	310	{
182	while (count--)	311	while (count--)
…		…
187		316
188	++base;	317	++base;
189	}	318	}
190	}	319	}
191		320
192	typedef struct	321	void
		322	ev_feed_event (EV_P_ void *w, int revents)
193	{	323	{
194	W w;	324	W w_ = (W)w;
195	int events;
196	} ANPENDING;
197		325
198	static ANPENDING *pendings;
199	static int pendingmax, pendingcnt;
200
201	static void
202	event (W w, int events)
203	{
204	if (w->pending)	326	if (w_->pending)
205	{	327	{
206	pendings [w->pending - 1].events \|= events;	328	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
207	return;	329	return;
208	}	330	}
209		331
210	w->pending = ++pendingcnt;	332	w_->pending = ++pendingcnt [ABSPRI (w_)];
211	array_needsize (pendings, pendingmax, pendingcnt, );	333	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void));
212	pendings [pendingcnt - 1].w = w;	334	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
213	pendings [pendingcnt - 1].events = events;	335	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
214	}	336	}
215		337
216	static void	338	static void
217	queue_events (W *events, int eventcnt, int type)	339	queue_events (EV_P_ W *events, int eventcnt, int type)
218	{	340	{
219	int i;	341	int i;
220		342
221	for (i = 0; i < eventcnt; ++i)	343	for (i = 0; i < eventcnt; ++i)
222	event (events [i], type);	344	ev_feed_event (EV_A_ events [i], type);
223	}	345	}
224		346
225	static void	347	inline void
226	fd_event (int fd, int events)	348	fd_event (EV_P_ int fd, int revents)
227	{	349	{
228	ANFD *anfd = anfds + fd;	350	ANFD *anfd = anfds + fd;
229	struct ev_io *w;	351	struct ev_io *w;
230		352
231	for (w = anfd->head; w; w = w->next)	353	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
232	{	354	{
233	int ev = w->events & events;	355	int ev = w->events & revents;
234		356
235	if (ev)	357	if (ev)
236	event ((W)w, ev);	358	ev_feed_event (EV_A_ (W)w, ev);
237	}	359	}
		360	}
		361
		362	void
		363	ev_feed_fd_event (EV_P_ int fd, int revents)
		364	{
		365	fd_event (EV_A_ fd, revents);
238	}	366	}
239		367
240	/*****************************************************************************/	368	/*****************************************************************************/
241		369
242	static int *fdchanges;
243	static int fdchangemax, fdchangecnt;
244
245	static void	370	static void
246	fd_reify (void)	371	fd_reify (EV_P)
247	{	372	{
248	int i;	373	int i;
249		374
250	for (i = 0; i < fdchangecnt; ++i)	375	for (i = 0; i < fdchangecnt; ++i)
251	{	376	{
…		…
253	ANFD *anfd = anfds + fd;	378	ANFD *anfd = anfds + fd;
254	struct ev_io *w;	379	struct ev_io *w;
255		380
256	int events = 0;	381	int events = 0;
257		382
258	for (w = anfd->head; w; w = w->next)	383	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
259	events \|= w->events;	384	events \|= w->events;
260		385
261	anfd->reify = 0;	386	anfd->reify = 0;
262		387
263	if (anfd->events != events)
264	{
265	method_modify (fd, anfd->events, events);	388	method_modify (EV_A_ fd, anfd->events, events);
266	anfd->events = events;	389	anfd->events = events;
267	}
268	}	390	}
269		391
270	fdchangecnt = 0;	392	fdchangecnt = 0;
271	}	393	}
272		394
273	static void	395	static void
274	fd_change (int fd)	396	fd_change (EV_P_ int fd)
275	{	397	{
276	if (anfds [fd].reify \|\| fdchangecnt < 0)	398	if (anfds [fd].reify)
277	return;	399	return;
278		400
279	anfds [fd].reify = 1;	401	anfds [fd].reify = 1;
280		402
281	++fdchangecnt;	403	++fdchangecnt;
282	array_needsize (fdchanges, fdchangemax, fdchangecnt, );	404	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void));
283	fdchanges [fdchangecnt - 1] = fd;	405	fdchanges [fdchangecnt - 1] = fd;
284	}	406	}
285		407
286	static void	408	static void
287	fd_kill (int fd)	409	fd_kill (EV_P_ int fd)
288	{	410	{
289	struct ev_io *w;	411	struct ev_io *w;
290		412
291	printf ("killing fd %d\n", fd);//D
292	while ((w = anfds [fd].head))	413	while ((w = (struct ev_io *)anfds [fd].head))
293	{	414	{
294	ev_io_stop (w);	415	ev_io_stop (EV_A_ w);
295	event ((W)w, EV_ERROR \| EV_READ \| EV_WRITE);	416	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
296	}	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
297	}	428	}
298		429
299	/* called on EBADF to verify fds */	430	/* called on EBADF to verify fds */
300	static void	431	static void
301	fd_ebadf (void)	432	fd_ebadf (EV_P)
302	{	433	{
303	int fd;	434	int fd;
304		435
305	for (fd = 0; fd < anfdmax; ++fd)	436	for (fd = 0; fd < anfdmax; ++fd)
306	if (anfds [fd].events)	437	if (anfds [fd].events)
307	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)	438	if (!fd_valid (fd) == -1 && errno == EBADF)
308	fd_kill (fd);	439	fd_kill (EV_A_ fd);
309	}	440	}
310		441
311	/* 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 */
312	static void	443	static void
313	fd_enomem (void)	444	fd_enomem (EV_P)
314	{	445	{
315	int fd = anfdmax;	446	int fd;
316		447
317	while (fd--)	448	for (fd = anfdmax; fd--; )
318	if (anfds [fd].events)	449	if (anfds [fd].events)
319	{	450	{
320	close (fd);
321	fd_kill (fd);	451	fd_kill (EV_A_ fd);
322	return;	452	return;
323	}	453	}
324	}	454	}
325		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
326	/*****************************************************************************/	471	/*****************************************************************************/
327		472
328	static struct ev_timer **timers;
329	static int timermax, timercnt;
330
331	static struct ev_periodic **periodics;
332	static int periodicmax, periodiccnt;
333
334	static void	473	static void
335	upheap (WT *timers, int k)	474	upheap (WT *heap, int k)
336	{	475	{
337	WT w = timers [k];	476	WT w = heap [k];
338		477
339	while (k && timers [k >> 1]->at > w->at)	478	while (k && heap [k >> 1]->at > w->at)
340	{	479	{
341	timers [k] = timers [k >> 1];	480	heap [k] = heap [k >> 1];
342	timers [k]->active = k + 1;	481	((W)heap [k])->active = k + 1;
343	k >>= 1;	482	k >>= 1;
344	}	483	}
345		484
346	timers [k] = w;	485	heap [k] = w;
347	timers [k]->active = k + 1;	486	((W)heap [k])->active = k + 1;
348		487
349	}	488	}
350		489
351	static void	490	static void
352	downheap (WT *timers, int N, int k)	491	downheap (WT *heap, int N, int k)
353	{	492	{
354	WT w = timers [k];	493	WT w = heap [k];
355		494
356	while (k < (N >> 1))	495	while (k < (N >> 1))
357	{	496	{
358	int j = k << 1;	497	int j = k << 1;
359		498
360	if (j + 1 < N && timers [j]->at > timers [j + 1]->at)	499	if (j + 1 < N && heap [j]->at > heap [j + 1]->at)
361	++j;	500	++j;
362		501
363	if (w->at <= timers [j]->at)	502	if (w->at <= heap [j]->at)
364	break;	503	break;
365		504
366	timers [k] = timers [j];	505	heap [k] = heap [j];
367	timers [k]->active = k + 1;	506	((W)heap [k])->active = k + 1;
368	k = j;	507	k = j;
369	}	508	}
370		509
371	timers [k] = w;	510	heap [k] = w;
372	timers [k]->active = k + 1;	511	((W)heap [k])->active = k + 1;
373	}	512	}
374		513
375	/*****************************************************************************/	514	/*****************************************************************************/
376		515
377	typedef struct	516	typedef struct
378	{	517	{
379	struct ev_signal *head;	518	WL head;
380	sig_atomic_t volatile gotsig;	519	sig_atomic_t volatile gotsig;
381	} ANSIG;	520	} ANSIG;
382		521
383	static ANSIG *signals;	522	static ANSIG *signals;
384	static int signalmax;	523	static int signalmax;
…		…
400	}	539	}
401		540
402	static void	541	static void
403	sighandler (int signum)	542	sighandler (int signum)
404	{	543	{
		544	#if WIN32
		545	signal (signum, sighandler);
		546	#endif
		547
405	signals [signum - 1].gotsig = 1;	548	signals [signum - 1].gotsig = 1;
406		549
407	if (!gotsig)	550	if (!gotsig)
408	{	551	{
		552	int old_errno = errno;
409	gotsig = 1;	553	gotsig = 1;
		554	#ifdef WIN32
		555	send (sigpipe [1], &signum, 1, MSG_DONTWAIT);
		556	#else
410	write (sigpipe [1], &signum, 1);	557	write (sigpipe [1], &signum, 1);
		558	#endif
		559	errno = old_errno;
411	}	560	}
412	}	561	}
413		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
414	static void	581	static void
415	sigcb (struct ev_io *iow, int revents)	582	sigcb (EV_P_ struct ev_io *iow, int revents)
416	{	583	{
417	struct ev_signal *w;	584	WL w;
418	int signum;	585	int signum;
419		586
		587	#ifdef WIN32
		588	recv (sigpipe [0], &revents, 1, MSG_DONTWAIT);
		589	#else
420	read (sigpipe [0], &revents, 1);	590	read (sigpipe [0], &revents, 1);
		591	#endif
421	gotsig = 0;	592	gotsig = 0;
422		593
423	for (signum = signalmax; signum--; )	594	for (signum = signalmax; signum--; )
424	if (signals [signum].gotsig)	595	if (signals [signum].gotsig)
425	{	596	sigevent (EV_A_ signum + 1);
426	signals [signum].gotsig = 0;
427
428	for (w = signals [signum].head; w; w = w->next)
429	event ((W)w, EV_SIGNAL);
430	}
431	}	597	}
432		598
433	static void	599	static void
434	siginit (void)	600	siginit (EV_P)
435	{	601	{
		602	#ifndef WIN32
436	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	603	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);
437	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);	604	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
438		605
439	/* rather than sort out wether we really need nb, set it */	606	/* rather than sort out wether we really need nb, set it */
440	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);	607	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
441	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);	608	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
		609	#endif
442		610
443	ev_io_set (&sigev, sigpipe [0], EV_READ);	611	ev_io_set (&sigev, sigpipe [0], EV_READ);
444	ev_io_start (&sigev);	612	ev_io_start (EV_A_ &sigev);
		613	ev_unref (EV_A); /* child watcher should not keep loop alive */
445	}	614	}
446		615
447	/*****************************************************************************/	616	/*****************************************************************************/
448		617
449	static struct ev_idle **idles;
450	static int idlemax, idlecnt;
451
452	static struct ev_prepare **prepares;
453	static int preparemax, preparecnt;
454
455	static struct ev_check **checks;
456	static int checkmax, checkcnt;
457
458	/*****************************************************************************/
459
460	static struct ev_child *childs [PID_HASHSIZE];	618	static struct ev_child *childs [PID_HASHSIZE];
		619
		620	#ifndef WIN32
		621
461	static struct ev_signal childev;	622	static struct ev_signal childev;
462		623
463	#ifndef WCONTINUED	624	#ifndef WCONTINUED
464	# define WCONTINUED 0	625	# define WCONTINUED 0
465	#endif	626	#endif
466		627
467	static void	628	static void
468	childcb (struct ev_signal *sw, int revents)	629	child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status)
469	{	630	{
470	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	{
471	int pid, status;	646	int pid, status;
472		647
473	while ((pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)) != -1)	648	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
474	for (w = childs [pid & (PID_HASHSIZE - 1)]; w; w = w->next)	649	{
475	if (w->pid == pid \|\| !w->pid)	650	/* make sure we are called again until all childs have been reaped */
476	{	651	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
477	w->status = status;	652
478	event ((W)w, EV_CHILD);	653	child_reap (EV_A_ sw, pid, pid, status);
479	}	654	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
		655	}
480	}	656	}
		657
		658	#endif
481		659
482	/*****************************************************************************/	660	/*****************************************************************************/
483		661
		662	#if EV_USE_KQUEUE
		663	# include "ev_kqueue.c"
		664	#endif
484	#if EV_USE_EPOLL	665	#if EV_USE_EPOLL
485	# include "ev_epoll.c"	666	# include "ev_epoll.c"
486	#endif	667	#endif
487	#if EV_USE_POLL	668	#if EV_USE_POLL
488	# include "ev_poll.c"	669	# include "ev_poll.c"
…		…
501	ev_version_minor (void)	682	ev_version_minor (void)
502	{	683	{
503	return EV_VERSION_MINOR;	684	return EV_VERSION_MINOR;
504	}	685	}
505		686
506	/* 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 */
507	static int	688	static int
508	enable_secure ()	689	enable_secure (void)
509	{	690	{
		691	#ifdef WIN32
		692	return 0;
		693	#else
510	return getuid () != geteuid ()	694	return getuid () != geteuid ()
511	\|\| getgid () != getegid ();	695	\|\| getgid () != getegid ();
		696	#endif
512	}	697	}
513		698
514	int ev_init (int methods)	699	int
		700	ev_method (EV_P)
515	{	701	{
		702	return method;
		703	}
		704
		705	static void
		706	loop_init (EV_P_ int methods)
		707	{
516	if (!ev_method)	708	if (!method)
517	{	709	{
518	#if EV_USE_MONOTONIC	710	#if EV_USE_MONOTONIC
519	{	711	{
520	struct timespec ts;	712	struct timespec ts;
521	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	713	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
522	have_monotonic = 1;	714	have_monotonic = 1;
523	}	715	}
524	#endif	716	#endif
525		717
526	ev_now = ev_time ();	718	rt_now = ev_time ();
527	now = get_clock ();	719	mn_now = get_clock ();
528	now_floor = now;	720	now_floor = mn_now;
529	diff = ev_now - now;	721	rtmn_diff = rt_now - mn_now;
530
531	if (pipe (sigpipe))
532	return 0;
533		722
534	if (methods == EVMETHOD_AUTO)	723	if (methods == EVMETHOD_AUTO)
535	if (!enable_secure () && getenv ("LIBEV_METHODS"))	724	if (!enable_secure () && getenv ("LIBEV_METHODS"))
536	methods = atoi (getenv ("LIBEV_METHODS"));	725	methods = atoi (getenv ("LIBEV_METHODS"));
537	else	726	else
538	methods = EVMETHOD_ANY;	727	methods = EVMETHOD_ANY;
539		728
540	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
		733	#if EV_USE_KQUEUE
		734	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);
		735	#endif
541	#if EV_USE_EPOLL	736	#if EV_USE_EPOLL
542	if (!ev_method && (methods & EVMETHOD_EPOLL )) epoll_init (methods);	737	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);
543	#endif	738	#endif
544	#if EV_USE_POLL	739	#if EV_USE_POLL
545	if (!ev_method && (methods & EVMETHOD_POLL )) poll_init (methods);	740	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);
546	#endif	741	#endif
547	#if EV_USE_SELECT	742	#if EV_USE_SELECT
548	if (!ev_method && (methods & EVMETHOD_SELECT)) select_init (methods);	743	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);
549	#endif	744	#endif
550		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
551	if (ev_method)	871	if (ev_method (EV_A))
552	{	872	{
553	ev_watcher_init (&sigev, sigcb);
554	siginit ();	873	siginit (EV_A);
555		874
		875	#ifndef WIN32
556	ev_signal_init (&childev, childcb, SIGCHLD);	876	ev_signal_init (&childev, childcb, SIGCHLD);
		877	ev_set_priority (&childev, EV_MAXPRI);
557	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
558	}	881	}
		882	else
		883	default_loop = 0;
559	}	884	}
560		885
561	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;
562	}	919	}
563		920
564	/*****************************************************************************/	921	/*****************************************************************************/
565		922
566	void
567	ev_fork_prepare (void)
568	{
569	/* nop */
570	}
571
572	void
573	ev_fork_parent (void)
574	{
575	/* nop */
576	}
577
578	void
579	ev_fork_child (void)
580	{
581	#if EV_USE_EPOLL
582	if (ev_method == EVMETHOD_EPOLL)
583	epoll_postfork_child ();
584	#endif
585
586	ev_io_stop (&sigev);
587	close (sigpipe [0]);
588	close (sigpipe [1]);
589	pipe (sigpipe);
590	siginit ();
591	}
592
593	/*****************************************************************************/
594
595	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
596	call_pending (void)	936	call_pending (EV_P)
597	{	937	{
		938	int pri;
		939
		940	for (pri = NUMPRI; pri--; )
598	while (pendingcnt)	941	while (pendingcnt [pri])
599	{	942	{
600	ANPENDING *p = pendings + --pendingcnt;	943	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
601		944
602	if (p->w)	945	if (p->w)
603	{	946	{
604	p->w->pending = 0;	947	p->w->pending = 0;
605	p->w->cb (p->w, p->events);	948	p->w->cb (EV_A_ p->w, p->events);
606	}	949	}
607	}	950	}
608	}	951	}
609		952
610	static void	953	static void
611	timers_reify (void)	954	timers_reify (EV_P)
612	{	955	{
613	while (timercnt && timers [0]->at <= now)	956	while (timercnt && ((WT)timers [0])->at <= mn_now)
614	{	957	{
615	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)));
616		961
617	/* first reschedule or stop timer */	962	/* first reschedule or stop timer */
618	if (w->repeat)	963	if (w->repeat)
619	{	964	{
620	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.));
621	w->at = now + w->repeat;	966	((WT)w)->at = mn_now + w->repeat;
622	downheap ((WT *)timers, timercnt, 0);	967	downheap ((WT *)timers, timercnt, 0);
623	}	968	}
624	else	969	else
625	ev_timer_stop (w); /* nonrepeating: stop timer */	970	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
626		971
627	event ((W)w, EV_TIMEOUT);	972	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
628	}	973	}
629	}	974	}
630		975
631	static void	976	static void
632	periodics_reify (void)	977	periodics_reify (EV_P)
633	{	978	{
634	while (periodiccnt && periodics [0]->at <= ev_now)	979	while (periodiccnt && ((WT)periodics [0])->at <= rt_now)
635	{	980	{
636	struct ev_periodic *w = periodics [0];	981	struct ev_periodic *w = periodics [0];
637		982
		983	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
		984
638	/* first reschedule or stop timer */	985	/* first reschedule or stop timer */
639	if (w->interval)	986	if (w->reschedule_cb)
640	{	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	{
641	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;
642	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));
643	downheap ((WT *)periodics, periodiccnt, 0);	997	downheap ((WT *)periodics, periodiccnt, 0);
644	}	998	}
645	else	999	else
646	ev_periodic_stop (w); /* nonrepeating: stop timer */	1000	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
647		1001
648	event ((W)w, EV_PERIODIC);	1002	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
649	}	1003	}
650	}	1004	}
651		1005
652	static void	1006	static void
653	periodics_reschedule (ev_tstamp diff)	1007	periodics_reschedule (EV_P)
654	{	1008	{
655	int i;	1009	int i;
656		1010
657	/* adjust periodics after time jump */	1011	/* adjust periodics after time jump */
658	for (i = 0; i < periodiccnt; ++i)	1012	for (i = 0; i < periodiccnt; ++i)
659	{	1013	{
660	struct ev_periodic *w = periodics [i];	1014	struct ev_periodic *w = periodics [i];
661		1015
		1016	if (w->reschedule_cb)
		1017	((WT)w)->at = w->reschedule_cb (w, rt_now);
662	if (w->interval)	1018	else if (w->interval)
663	{
664	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;
665
666	if (fabs (diff) >= 1e-4)
667	{
668	ev_periodic_stop (w);
669	ev_periodic_start (w);
670
671	i = 0; /* restart loop, inefficient, but time jumps should be rare */
672	}
673	}
674	}	1020	}
675	}
676		1021
677	static int	1022	/* now rebuild the heap */
		1023	for (i = periodiccnt >> 1; i--; )
		1024	downheap ((WT *)periodics, periodiccnt, i);
		1025	}
		1026
		1027	inline int
678	time_update_monotonic (void)	1028	time_update_monotonic (EV_P)
679	{	1029	{
680	now = get_clock ();	1030	mn_now = get_clock ();
681		1031
682	if (expect_true (now - now_floor < MIN_TIMEJUMP * .5))	1032	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
683	{	1033	{
684	ev_now = now + diff;	1034	rt_now = rtmn_diff + mn_now;
685	return 0;	1035	return 0;
686	}	1036	}
687	else	1037	else
688	{	1038	{
689	now_floor = now;	1039	now_floor = mn_now;
690	ev_now = ev_time ();	1040	rt_now = ev_time ();
691	return 1;	1041	return 1;
692	}	1042	}
693	}	1043	}
694		1044
695	static void	1045	static void
696	time_update (void)	1046	time_update (EV_P)
697	{	1047	{
698	int i;	1048	int i;
699		1049
700	#if EV_USE_MONOTONIC	1050	#if EV_USE_MONOTONIC
701	if (expect_true (have_monotonic))	1051	if (expect_true (have_monotonic))
702	{	1052	{
703	if (time_update_monotonic ())	1053	if (time_update_monotonic (EV_A))
704	{	1054	{
705	ev_tstamp odiff = diff;	1055	ev_tstamp odiff = rtmn_diff;
706		1056
707	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 */
708	{	1058	{
709	diff = ev_now - now;	1059	rtmn_diff = rt_now - mn_now;
710		1060
711	if (fabs (odiff - diff) < MIN_TIMEJUMP)	1061	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
712	return; /* all is well */	1062	return; /* all is well */
713		1063
714	ev_now = ev_time ();	1064	rt_now = ev_time ();
715	now = get_clock ();	1065	mn_now = get_clock ();
716	now_floor = now;	1066	now_floor = mn_now;
717	}	1067	}
718		1068
719	periodics_reschedule (diff - odiff);	1069	periodics_reschedule (EV_A);
720	/* 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) */
721	}	1072	}
722	}	1073	}
723	else	1074	else
724	#endif	1075	#endif
725	{	1076	{
726	ev_now = ev_time ();	1077	rt_now = ev_time ();
727		1078
728	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))
729	{	1080	{
730	periodics_reschedule (ev_now - now);	1081	periodics_reschedule (EV_A);
731		1082
732	/* 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 */
733	for (i = 0; i < timercnt; ++i)	1084	for (i = 0; i < timercnt; ++i)
734	timers [i]->at += diff;	1085	((WT)timers [i])->at += rt_now - mn_now;
735	}	1086	}
736		1087
737	now = ev_now;	1088	mn_now = rt_now;
738	}	1089	}
739	}	1090	}
740		1091
741	int ev_loop_done;	1092	void
		1093	ev_ref (EV_P)
		1094	{
		1095	++activecnt;
		1096	}
742		1097
		1098	void
		1099	ev_unref (EV_P)
		1100	{
		1101	--activecnt;
		1102	}
		1103
		1104	static int loop_done;
		1105
		1106	void
743	void ev_loop (int flags)	1107	ev_loop (EV_P_ int flags)
744	{	1108	{
745	double block;	1109	double block;
746	ev_loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1110	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
747		1111
748	do	1112	do
749	{	1113	{
750	/* queue check watchers (and execute them) */	1114	/* queue check watchers (and execute them) */
751	if (expect_false (preparecnt))	1115	if (expect_false (preparecnt))
752	{	1116	{
753	queue_events ((W *)prepares, preparecnt, EV_PREPARE);	1117	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
754	call_pending ();	1118	call_pending (EV_A);
755	}	1119	}
756		1120
		1121	/* we might have forked, so reify kernel state if necessary */
		1122	if (expect_false (postfork))
		1123	loop_fork (EV_A);
		1124
757	/* update fd-related kernel structures */	1125	/* update fd-related kernel structures */
758	fd_reify ();	1126	fd_reify (EV_A);
759		1127
760	/* calculate blocking time */	1128	/* calculate blocking time */
761		1129
762	/* 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
763	always have timers, we just calculate it always */	1131	always have timers, we just calculate it always */
764	#if EV_USE_MONOTONIC	1132	#if EV_USE_MONOTONIC
765	if (expect_true (have_monotonic))	1133	if (expect_true (have_monotonic))
766	time_update_monotonic ();	1134	time_update_monotonic (EV_A);
767	else	1135	else
768	#endif	1136	#endif
769	{	1137	{
770	ev_now = ev_time ();	1138	rt_now = ev_time ();
771	now = ev_now;	1139	mn_now = rt_now;
772	}	1140	}
773		1141
774	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1142	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
775	block = 0.;	1143	block = 0.;
776	else	1144	else
777	{	1145	{
778	block = MAX_BLOCKTIME;	1146	block = MAX_BLOCKTIME;
779		1147
780	if (timercnt)	1148	if (timercnt)
781	{	1149	{
782	ev_tstamp to = timers [0]->at - now + method_fudge;	1150	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
783	if (block > to) block = to;	1151	if (block > to) block = to;
784	}	1152	}
785		1153
786	if (periodiccnt)	1154	if (periodiccnt)
787	{	1155	{
788	ev_tstamp to = periodics [0]->at - ev_now + method_fudge;	1156	ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;
789	if (block > to) block = to;	1157	if (block > to) block = to;
790	}	1158	}
791		1159
792	if (block < 0.) block = 0.;	1160	if (block < 0.) block = 0.;
793	}	1161	}
794		1162
795	method_poll (block);	1163	method_poll (EV_A_ block);
796		1164
797	/* update ev_now, do magic */	1165	/* update rt_now, do magic */
798	time_update ();	1166	time_update (EV_A);
799		1167
800	/* queue pending timers and reschedule them */	1168	/* queue pending timers and reschedule them */
801	timers_reify (); /* relative timers called last */	1169	timers_reify (EV_A); /* relative timers called last */
802	periodics_reify (); /* absolute timers called first */	1170	periodics_reify (EV_A); /* absolute timers called first */
803		1171
804	/* queue idle watchers unless io or timers are pending */	1172	/* queue idle watchers unless io or timers are pending */
805	if (!pendingcnt)	1173	if (idlecnt && !any_pending (EV_A))
806	queue_events ((W *)idles, idlecnt, EV_IDLE);	1174	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
807		1175
808	/* queue check watchers, to be executed first */	1176	/* queue check watchers, to be executed first */
809	if (checkcnt)	1177	if (checkcnt)
810	queue_events ((W *)checks, checkcnt, EV_CHECK);	1178	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
811		1179
812	call_pending ();	1180	call_pending (EV_A);
813	}	1181	}
814	while (!ev_loop_done);	1182	while (activecnt && !loop_done);
815		1183
816	if (ev_loop_done != 2)	1184	if (loop_done != 2)
817	ev_loop_done = 0;	1185	loop_done = 0;
		1186	}
		1187
		1188	void
		1189	ev_unloop (EV_P_ int how)
		1190	{
		1191	loop_done = how;
818	}	1192	}
819		1193
820	/*****************************************************************************/	1194	/*****************************************************************************/
821		1195
822	static void	1196	inline void
823	wlist_add (WL *head, WL elem)	1197	wlist_add (WL *head, WL elem)
824	{	1198	{
825	elem->next = *head;	1199	elem->next = *head;
826	*head = elem;	1200	*head = elem;
827	}	1201	}
828		1202
829	static void	1203	inline void
830	wlist_del (WL *head, WL elem)	1204	wlist_del (WL *head, WL elem)
831	{	1205	{
832	while (*head)	1206	while (*head)
833	{	1207	{
834	if (*head == elem)	1208	if (*head == elem)
…		…
839		1213
840	head = &(*head)->next;	1214	head = &(*head)->next;
841	}	1215	}
842	}	1216	}
843		1217
844	static void	1218	inline void
845	ev_clear_pending (W w)	1219	ev_clear_pending (EV_P_ W w)
846	{	1220	{
847	if (w->pending)	1221	if (w->pending)
848	{	1222	{
849	pendings [w->pending - 1].w = 0;	1223	pendings [ABSPRI (w)][w->pending - 1].w = 0;
850	w->pending = 0;	1224	w->pending = 0;
851	}	1225	}
852	}	1226	}
853		1227
854	static void	1228	inline void
855	ev_start (W w, int active)	1229	ev_start (EV_P_ W w, int active)
856	{	1230	{
		1231	if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;
		1232	if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
		1233
857	w->active = active;	1234	w->active = active;
		1235	ev_ref (EV_A);
858	}	1236	}
859		1237
860	static void	1238	inline void
861	ev_stop (W w)	1239	ev_stop (EV_P_ W w)
862	{	1240	{
		1241	ev_unref (EV_A);
863	w->active = 0;	1242	w->active = 0;
864	}	1243	}
865		1244
866	/*****************************************************************************/	1245	/*****************************************************************************/
867		1246
868	void	1247	void
869	ev_io_start (struct ev_io *w)	1248	ev_io_start (EV_P_ struct ev_io *w)
870	{	1249	{
871	int fd = w->fd;	1250	int fd = w->fd;
872		1251
873	if (ev_is_active (w))	1252	if (ev_is_active (w))
874	return;	1253	return;
875		1254
876	assert (("ev_io_start called with negative fd", fd >= 0));	1255	assert (("ev_io_start called with negative fd", fd >= 0));
877		1256
878	ev_start ((W)w, 1);	1257	ev_start (EV_A_ (W)w, 1);
879	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	1258	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
880	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1259	wlist_add ((WL *)&anfds[fd].head, (WL)w);
881		1260
882	fd_change (fd);	1261	fd_change (EV_A_ fd);
883	}	1262	}
884		1263
885	void	1264	void
886	ev_io_stop (struct ev_io *w)	1265	ev_io_stop (EV_P_ struct ev_io *w)
887	{	1266	{
888	ev_clear_pending ((W)w);	1267	ev_clear_pending (EV_A_ (W)w);
889	if (!ev_is_active (w))	1268	if (!ev_is_active (w))
890	return;	1269	return;
891		1270
892	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1271	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
893	ev_stop ((W)w);	1272	ev_stop (EV_A_ (W)w);
894		1273
895	fd_change (w->fd);	1274	fd_change (EV_A_ w->fd);
896	}	1275	}
897		1276
898	void	1277	void
899	ev_timer_start (struct ev_timer *w)	1278	ev_timer_start (EV_P_ struct ev_timer *w)
900	{	1279	{
901	if (ev_is_active (w))	1280	if (ev_is_active (w))
902	return;	1281	return;
903		1282
904	w->at += now;	1283	((WT)w)->at += mn_now;
905		1284
906	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.));
907		1286
908	ev_start ((W)w, ++timercnt);	1287	ev_start (EV_A_ (W)w, ++timercnt);
909	array_needsize (timers, timermax, timercnt, );	1288	array_needsize (struct ev_timer *, timers, timermax, timercnt, (void));
910	timers [timercnt - 1] = w;	1289	timers [timercnt - 1] = w;
911	upheap ((WT *)timers, timercnt - 1);	1290	upheap ((WT *)timers, timercnt - 1);
912	}
913		1291
		1292	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1293	}
		1294
914	void	1295	void
915	ev_timer_stop (struct ev_timer *w)	1296	ev_timer_stop (EV_P_ struct ev_timer *w)
916	{	1297	{
917	ev_clear_pending ((W)w);	1298	ev_clear_pending (EV_A_ (W)w);
918	if (!ev_is_active (w))	1299	if (!ev_is_active (w))
919	return;	1300	return;
920		1301
		1302	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1303
921	if (w->active < timercnt--)	1304	if (((W)w)->active < timercnt--)
922	{	1305	{
923	timers [w->active - 1] = timers [timercnt];	1306	timers [((W)w)->active - 1] = timers [timercnt];
924	downheap ((WT *)timers, timercnt, w->active - 1);	1307	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
925	}	1308	}
926		1309
927	w->at = w->repeat;	1310	((WT)w)->at = w->repeat;
928		1311
929	ev_stop ((W)w);	1312	ev_stop (EV_A_ (W)w);
930	}	1313	}
931		1314
932	void	1315	void
933	ev_timer_again (struct ev_timer *w)	1316	ev_timer_again (EV_P_ struct ev_timer *w)
934	{	1317	{
935	if (ev_is_active (w))	1318	if (ev_is_active (w))
936	{	1319	{
937	if (w->repeat)	1320	if (w->repeat)
938	{	1321	{
939	w->at = now + w->repeat;	1322	((WT)w)->at = mn_now + w->repeat;
940	downheap ((WT *)timers, timercnt, w->active - 1);	1323	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
941	}	1324	}
942	else	1325	else
943	ev_timer_stop (w);	1326	ev_timer_stop (EV_A_ w);
944	}	1327	}
945	else if (w->repeat)	1328	else if (w->repeat)
946	ev_timer_start (w);	1329	ev_timer_start (EV_A_ w);
947	}	1330	}
948		1331
949	void	1332	void
950	ev_periodic_start (struct ev_periodic *w)	1333	ev_periodic_start (EV_P_ struct ev_periodic *w)
951	{	1334	{
952	if (ev_is_active (w))	1335	if (ev_is_active (w))
953	return;	1336	return;
954		1337
		1338	if (w->reschedule_cb)
		1339	((WT)w)->at = w->reschedule_cb (w, rt_now);
		1340	else if (w->interval)
		1341	{
955	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.));
956
957	/* 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 */
958	if (w->interval)
959	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	}
960		1346
961	ev_start ((W)w, ++periodiccnt);	1347	ev_start (EV_A_ (W)w, ++periodiccnt);
962	array_needsize (periodics, periodicmax, periodiccnt, );	1348	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void));
963	periodics [periodiccnt - 1] = w;	1349	periodics [periodiccnt - 1] = w;
964	upheap ((WT *)periodics, periodiccnt - 1);	1350	upheap ((WT *)periodics, periodiccnt - 1);
965	}
966		1351
		1352	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1353	}
		1354
967	void	1355	void
968	ev_periodic_stop (struct ev_periodic *w)	1356	ev_periodic_stop (EV_P_ struct ev_periodic *w)
969	{	1357	{
970	ev_clear_pending ((W)w);	1358	ev_clear_pending (EV_A_ (W)w);
971	if (!ev_is_active (w))	1359	if (!ev_is_active (w))
972	return;	1360	return;
973		1361
		1362	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1363
974	if (w->active < periodiccnt--)	1364	if (((W)w)->active < periodiccnt--)
975	{	1365	{
976	periodics [w->active - 1] = periodics [periodiccnt];	1366	periodics [((W)w)->active - 1] = periodics [periodiccnt];
977	downheap ((WT *)periodics, periodiccnt, w->active - 1);	1367	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
978	}	1368	}
979		1369
980	ev_stop ((W)w);	1370	ev_stop (EV_A_ (W)w);
981	}	1371	}
982		1372
983	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
984	ev_signal_start (struct ev_signal *w)	1381	ev_idle_start (EV_P_ struct ev_idle *w)
985	{	1382	{
986	if (ev_is_active (w))	1383	if (ev_is_active (w))
987	return;	1384	return;
988		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
989	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));
990		1460
991	ev_start ((W)w, 1);	1461	ev_start (EV_A_ (W)w, 1);
992	array_needsize (signals, signalmax, w->signum, signals_init);	1462	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
993	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1463	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
994		1464
995	if (!w->next)	1465	if (!((WL)w)->next)
996	{	1466	{
		1467	#if WIN32
		1468	signal (w->signum, sighandler);
		1469	#else
997	struct sigaction sa;	1470	struct sigaction sa;
998	sa.sa_handler = sighandler;	1471	sa.sa_handler = sighandler;
999	sigfillset (&sa.sa_mask);	1472	sigfillset (&sa.sa_mask);
1000	sa.sa_flags = 0;	1473	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1001	sigaction (w->signum, &sa, 0);	1474	sigaction (w->signum, &sa, 0);
		1475	#endif
1002	}	1476	}
1003	}	1477	}
1004		1478
1005	void	1479	void
1006	ev_signal_stop (struct ev_signal *w)	1480	ev_signal_stop (EV_P_ struct ev_signal *w)
1007	{	1481	{
1008	ev_clear_pending ((W)w);	1482	ev_clear_pending (EV_A_ (W)w);
1009	if (!ev_is_active (w))	1483	if (!ev_is_active (w))
1010	return;	1484	return;
1011		1485
1012	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1486	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1013	ev_stop ((W)w);	1487	ev_stop (EV_A_ (W)w);
1014		1488
1015	if (!signals [w->signum - 1].head)	1489	if (!signals [w->signum - 1].head)
1016	signal (w->signum, SIG_DFL);	1490	signal (w->signum, SIG_DFL);
1017	}	1491	}
1018		1492
1019	void	1493	void
1020	ev_idle_start (struct ev_idle *w)	1494	ev_child_start (EV_P_ struct ev_child *w)
1021	{	1495	{
		1496	#if EV_MULTIPLICITY
		1497	assert (("child watchers are only supported in the default loop", loop == default_loop));
		1498	#endif
1022	if (ev_is_active (w))	1499	if (ev_is_active (w))
1023	return;	1500	return;
1024		1501
1025	ev_start ((W)w, ++idlecnt);	1502	ev_start (EV_A_ (W)w, 1);
1026	array_needsize (idles, idlemax, idlecnt, );	1503	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1027	idles [idlecnt - 1] = w;
1028	}	1504	}
1029		1505
1030	void	1506	void
1031	ev_idle_stop (struct ev_idle *w)	1507	ev_child_stop (EV_P_ struct ev_child *w)
1032	{	1508	{
1033	ev_clear_pending ((W)w);	1509	ev_clear_pending (EV_A_ (W)w);
1034	if (ev_is_active (w))	1510	if (ev_is_active (w))
1035	return;	1511	return;
1036		1512
1037	idles [w->active - 1] = idles [--idlecnt];
1038	ev_stop ((W)w);
1039	}
1040
1041	void
1042	ev_prepare_start (struct ev_prepare *w)
1043	{
1044	if (ev_is_active (w))
1045	return;
1046
1047	ev_start ((W)w, ++preparecnt);
1048	array_needsize (prepares, preparemax, preparecnt, );
1049	prepares [preparecnt - 1] = w;
1050	}
1051
1052	void
1053	ev_prepare_stop (struct ev_prepare *w)
1054	{
1055	ev_clear_pending ((W)w);
1056	if (ev_is_active (w))
1057	return;
1058
1059	prepares [w->active - 1] = prepares [--preparecnt];
1060	ev_stop ((W)w);
1061	}
1062
1063	void
1064	ev_check_start (struct ev_check *w)
1065	{
1066	if (ev_is_active (w))
1067	return;
1068
1069	ev_start ((W)w, ++checkcnt);
1070	array_needsize (checks, checkmax, checkcnt, );
1071	checks [checkcnt - 1] = w;
1072	}
1073
1074	void
1075	ev_check_stop (struct ev_check *w)
1076	{
1077	ev_clear_pending ((W)w);
1078	if (ev_is_active (w))
1079	return;
1080
1081	checks [w->active - 1] = checks [--checkcnt];
1082	ev_stop ((W)w);
1083	}
1084
1085	void
1086	ev_child_start (struct ev_child *w)
1087	{
1088	if (ev_is_active (w))
1089	return;
1090
1091	ev_start ((W)w, 1);
1092	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1093	}
1094
1095	void
1096	ev_child_stop (struct ev_child *w)
1097	{
1098	ev_clear_pending ((W)w);
1099	if (ev_is_active (w))
1100	return;
1101
1102	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1513	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1103	ev_stop ((W)w);	1514	ev_stop (EV_A_ (W)w);
1104	}	1515	}
1105		1516
1106	/*****************************************************************************/	1517	/*****************************************************************************/
1107		1518
1108	struct ev_once	1519	struct ev_once
…		…
1112	void (cb)(int revents, void arg);	1523	void (cb)(int revents, void arg);
1113	void *arg;	1524	void *arg;
1114	};	1525	};
1115		1526
1116	static void	1527	static void
1117	once_cb (struct ev_once *once, int revents)	1528	once_cb (EV_P_ struct ev_once *once, int revents)
1118	{	1529	{
1119	void (cb)(int revents, void arg) = once->cb;	1530	void (cb)(int revents, void arg) = once->cb;
1120	void *arg = once->arg;	1531	void *arg = once->arg;
1121		1532
1122	ev_io_stop (&once->io);	1533	ev_io_stop (EV_A_ &once->io);
1123	ev_timer_stop (&once->to);	1534	ev_timer_stop (EV_A_ &once->to);
1124	free (once);	1535	ev_free (once);
1125		1536
1126	cb (revents, arg);	1537	cb (revents, arg);
1127	}	1538	}
1128		1539
1129	static void	1540	static void
1130	once_cb_io (struct ev_io *w, int revents)	1541	once_cb_io (EV_P_ struct ev_io *w, int revents)
1131	{	1542	{
1132	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);
1133	}	1544	}
1134		1545
1135	static void	1546	static void
1136	once_cb_to (struct ev_timer *w, int revents)	1547	once_cb_to (EV_P_ struct ev_timer *w, int revents)
1137	{	1548	{
1138	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);
1139	}	1550	}
1140		1551
1141	void	1552	void
1142	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)
1143	{	1554	{
1144	struct ev_once *once = malloc (sizeof (struct ev_once));	1555	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1145		1556
1146	if (!once)	1557	if (!once)
1147	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1558	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1148	else	1559	else
1149	{	1560	{
…		…
1152		1563
1153	ev_watcher_init (&once->io, once_cb_io);	1564	ev_watcher_init (&once->io, once_cb_io);
1154	if (fd >= 0)	1565	if (fd >= 0)
1155	{	1566	{
1156	ev_io_set (&once->io, fd, events);	1567	ev_io_set (&once->io, fd, events);
1157	ev_io_start (&once->io);	1568	ev_io_start (EV_A_ &once->io);
1158	}	1569	}
1159		1570
1160	ev_watcher_init (&once->to, once_cb_to);	1571	ev_watcher_init (&once->to, once_cb_to);
1161	if (timeout >= 0.)	1572	if (timeout >= 0.)
1162	{	1573	{
1163	ev_timer_set (&once->to, timeout, 0.);	1574	ev_timer_set (&once->to, timeout, 0.);
1164	ev_timer_start (&once->to);	1575	ev_timer_start (EV_A_ &once->to);
1165	}	1576	}
1166	}	1577	}
1167	}	1578	}
1168		1579
1169	/*****************************************************************************/
1170
1171	#if 0
1172
1173	struct ev_io wio;
1174
1175	static void
1176	sin_cb (struct ev_io *w, int revents)
1177	{
1178	fprintf (stderr, "sin %d, revents %d\n", w->fd, revents);
1179	}
1180
1181	static void
1182	ocb (struct ev_timer *w, int revents)
1183	{
1184	//fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data);
1185	ev_timer_stop (w);
1186	ev_timer_start (w);
1187	}
1188
1189	static void
1190	scb (struct ev_signal *w, int revents)
1191	{
1192	fprintf (stderr, "signal %x,%d\n", revents, w->signum);
1193	ev_io_stop (&wio);
1194	ev_io_start (&wio);
1195	}
1196
1197	static void
1198	gcb (struct ev_signal *w, int revents)
1199	{
1200	fprintf (stderr, "generic %x\n", revents);
1201
1202	}
1203
1204	int main (void)
1205	{
1206	ev_init (0);
1207
1208	ev_io_init (&wio, sin_cb, 0, EV_READ);
1209	ev_io_start (&wio);
1210
1211	struct ev_timer t[10000];
1212
1213	#if 0
1214	int i;
1215	for (i = 0; i < 10000; ++i)
1216	{
1217	struct ev_timer *w = t + i;
1218	ev_watcher_init (w, ocb, i);
1219	ev_timer_init_abs (w, ocb, drand48 (), 0.99775533);
1220	ev_timer_start (w);
1221	if (drand48 () < 0.5)
1222	ev_timer_stop (w);
1223	}
1224	#endif
1225
1226	struct ev_timer t1;
1227	ev_timer_init (&t1, ocb, 5, 10);
1228	ev_timer_start (&t1);
1229
1230	struct ev_signal sig;
1231	ev_signal_init (&sig, scb, SIGQUIT);
1232	ev_signal_start (&sig);
1233
1234	struct ev_check cw;
1235	ev_check_init (&cw, gcb);
1236	ev_check_start (&cw);
1237
1238	struct ev_idle iw;
1239	ev_idle_init (&iw, gcb);
1240	ev_idle_start (&iw);
1241
1242	ev_loop (0);
1243
1244	return 0;
1245	}
1246
1247	#endif
1248
1249
1250
1251

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Comparing libev/ev.c (file contents): Revision 1.41 by root, Fri Nov 2 16:54:34 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 1.41 by root, Fri Nov 2 16:54:34 2007 UTC vs.
Revision 1.79 by root, Fri Nov 9 15:15:20 2007 UTC