[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 1.78 by root, Thu Nov 8 21:08:56 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	static void
226	fd_event (int fd, int events)	348	fd_event (EV_P_ int fd, int events)
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 & events;
234		356
235	if (ev)	357	if (ev)
236	event ((W)w, ev);	358	ev_feed_event (EV_A_ (W)w, ev);
237	}	359	}
238	}	360	}
239		361
240	/*****************************************************************************/	362	/*****************************************************************************/
241		363
242	static int *fdchanges;
243	static int fdchangemax, fdchangecnt;
244
245	static void	364	static void
246	fd_reify (void)	365	fd_reify (EV_P)
247	{	366	{
248	int i;	367	int i;
249		368
250	for (i = 0; i < fdchangecnt; ++i)	369	for (i = 0; i < fdchangecnt; ++i)
251	{	370	{
…		…
253	ANFD *anfd = anfds + fd;	372	ANFD *anfd = anfds + fd;
254	struct ev_io *w;	373	struct ev_io *w;
255		374
256	int events = 0;	375	int events = 0;
257		376
258	for (w = anfd->head; w; w = w->next)	377	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
259	events \|= w->events;	378	events \|= w->events;
260		379
261	anfd->reify = 0;	380	anfd->reify = 0;
262		381
263	if (anfd->events != events)
264	{
265	method_modify (fd, anfd->events, events);	382	method_modify (EV_A_ fd, anfd->events, events);
266	anfd->events = events;	383	anfd->events = events;
267	}
268	}	384	}
269		385
270	fdchangecnt = 0;	386	fdchangecnt = 0;
271	}	387	}
272		388
273	static void	389	static void
274	fd_change (int fd)	390	fd_change (EV_P_ int fd)
275	{	391	{
276	if (anfds [fd].reify \|\| fdchangecnt < 0)	392	if (anfds [fd].reify)
277	return;	393	return;
278		394
279	anfds [fd].reify = 1;	395	anfds [fd].reify = 1;
280		396
281	++fdchangecnt;	397	++fdchangecnt;
282	array_needsize (fdchanges, fdchangemax, fdchangecnt, );	398	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void));
283	fdchanges [fdchangecnt - 1] = fd;	399	fdchanges [fdchangecnt - 1] = fd;
284	}	400	}
285		401
286	static void	402	static void
287	fd_kill (int fd)	403	fd_kill (EV_P_ int fd)
288	{	404	{
289	struct ev_io *w;	405	struct ev_io *w;
290		406
291	printf ("killing fd %d\n", fd);//D
292	while ((w = anfds [fd].head))	407	while ((w = (struct ev_io *)anfds [fd].head))
293	{	408	{
294	ev_io_stop (w);	409	ev_io_stop (EV_A_ w);
295	event ((W)w, EV_ERROR \| EV_READ \| EV_WRITE);	410	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
296	}	411	}
		412	}
		413
		414	static int
		415	fd_valid (int fd)
		416	{
		417	#ifdef WIN32
		418	return !!win32_get_osfhandle (fd);
		419	#else
		420	return fcntl (fd, F_GETFD) != -1;
		421	#endif
297	}	422	}
298		423
299	/* called on EBADF to verify fds */	424	/* called on EBADF to verify fds */
300	static void	425	static void
301	fd_ebadf (void)	426	fd_ebadf (EV_P)
302	{	427	{
303	int fd;	428	int fd;
304		429
305	for (fd = 0; fd < anfdmax; ++fd)	430	for (fd = 0; fd < anfdmax; ++fd)
306	if (anfds [fd].events)	431	if (anfds [fd].events)
307	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)	432	if (!fd_valid (fd) == -1 && errno == EBADF)
308	fd_kill (fd);	433	fd_kill (EV_A_ fd);
309	}	434	}
310		435
311	/* called on ENOMEM in select/poll to kill some fds and retry */	436	/* called on ENOMEM in select/poll to kill some fds and retry */
312	static void	437	static void
313	fd_enomem (void)	438	fd_enomem (EV_P)
314	{	439	{
315	int fd = anfdmax;	440	int fd;
316		441
317	while (fd--)	442	for (fd = anfdmax; fd--; )
318	if (anfds [fd].events)	443	if (anfds [fd].events)
319	{	444	{
320	close (fd);
321	fd_kill (fd);	445	fd_kill (EV_A_ fd);
322	return;	446	return;
323	}	447	}
324	}	448	}
325		449
		450	/* usually called after fork if method needs to re-arm all fds from scratch */
		451	static void
		452	fd_rearm_all (EV_P)
		453	{
		454	int fd;
		455
		456	/* this should be highly optimised to not do anything but set a flag */
		457	for (fd = 0; fd < anfdmax; ++fd)
		458	if (anfds [fd].events)
		459	{
		460	anfds [fd].events = 0;
		461	fd_change (EV_A_ fd);
		462	}
		463	}
		464
326	/*****************************************************************************/	465	/*****************************************************************************/
327		466
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	467	static void
335	upheap (WT *timers, int k)	468	upheap (WT *heap, int k)
336	{	469	{
337	WT w = timers [k];	470	WT w = heap [k];
338		471
339	while (k && timers [k >> 1]->at > w->at)	472	while (k && heap [k >> 1]->at > w->at)
340	{	473	{
341	timers [k] = timers [k >> 1];	474	heap [k] = heap [k >> 1];
342	timers [k]->active = k + 1;	475	((W)heap [k])->active = k + 1;
343	k >>= 1;	476	k >>= 1;
344	}	477	}
345		478
346	timers [k] = w;	479	heap [k] = w;
347	timers [k]->active = k + 1;	480	((W)heap [k])->active = k + 1;
348		481
349	}	482	}
350		483
351	static void	484	static void
352	downheap (WT *timers, int N, int k)	485	downheap (WT *heap, int N, int k)
353	{	486	{
354	WT w = timers [k];	487	WT w = heap [k];
355		488
356	while (k < (N >> 1))	489	while (k < (N >> 1))
357	{	490	{
358	int j = k << 1;	491	int j = k << 1;
359		492
360	if (j + 1 < N && timers [j]->at > timers [j + 1]->at)	493	if (j + 1 < N && heap [j]->at > heap [j + 1]->at)
361	++j;	494	++j;
362		495
363	if (w->at <= timers [j]->at)	496	if (w->at <= heap [j]->at)
364	break;	497	break;
365		498
366	timers [k] = timers [j];	499	heap [k] = heap [j];
367	timers [k]->active = k + 1;	500	((W)heap [k])->active = k + 1;
368	k = j;	501	k = j;
369	}	502	}
370		503
371	timers [k] = w;	504	heap [k] = w;
372	timers [k]->active = k + 1;	505	((W)heap [k])->active = k + 1;
373	}	506	}
374		507
375	/*****************************************************************************/	508	/*****************************************************************************/
376		509
377	typedef struct	510	typedef struct
378	{	511	{
379	struct ev_signal *head;	512	WL head;
380	sig_atomic_t volatile gotsig;	513	sig_atomic_t volatile gotsig;
381	} ANSIG;	514	} ANSIG;
382		515
383	static ANSIG *signals;	516	static ANSIG *signals;
384	static int signalmax;	517	static int signalmax;
…		…
400	}	533	}
401		534
402	static void	535	static void
403	sighandler (int signum)	536	sighandler (int signum)
404	{	537	{
		538	#if WIN32
		539	signal (signum, sighandler);
		540	#endif
		541
405	signals [signum - 1].gotsig = 1;	542	signals [signum - 1].gotsig = 1;
406		543
407	if (!gotsig)	544	if (!gotsig)
408	{	545	{
		546	int old_errno = errno;
409	gotsig = 1;	547	gotsig = 1;
		548	#ifdef WIN32
		549	send (sigpipe [1], &signum, 1, MSG_DONTWAIT);
		550	#else
410	write (sigpipe [1], &signum, 1);	551	write (sigpipe [1], &signum, 1);
		552	#endif
		553	errno = old_errno;
411	}	554	}
412	}	555	}
413		556
414	static void	557	static void
415	sigcb (struct ev_io *iow, int revents)	558	sigcb (EV_P_ struct ev_io *iow, int revents)
416	{	559	{
417	struct ev_signal *w;	560	WL w;
418	int signum;	561	int signum;
419		562
		563	#ifdef WIN32
		564	recv (sigpipe [0], &revents, 1, MSG_DONTWAIT);
		565	#else
420	read (sigpipe [0], &revents, 1);	566	read (sigpipe [0], &revents, 1);
		567	#endif
421	gotsig = 0;	568	gotsig = 0;
422		569
423	for (signum = signalmax; signum--; )	570	for (signum = signalmax; signum--; )
424	if (signals [signum].gotsig)	571	if (signals [signum].gotsig)
425	{	572	{
426	signals [signum].gotsig = 0;	573	signals [signum].gotsig = 0;
427		574
428	for (w = signals [signum].head; w; w = w->next)	575	for (w = signals [signum].head; w; w = w->next)
429	event ((W)w, EV_SIGNAL);	576	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
430	}	577	}
431	}	578	}
432		579
433	static void	580	static void
434	siginit (void)	581	siginit (EV_P)
435	{	582	{
		583	#ifndef WIN32
436	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	584	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);
437	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);	585	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
438		586
439	/* rather than sort out wether we really need nb, set it */	587	/* rather than sort out wether we really need nb, set it */
440	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);	588	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
441	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);	589	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
		590	#endif
442		591
443	ev_io_set (&sigev, sigpipe [0], EV_READ);	592	ev_io_set (&sigev, sigpipe [0], EV_READ);
444	ev_io_start (&sigev);	593	ev_io_start (EV_A_ &sigev);
		594	ev_unref (EV_A); /* child watcher should not keep loop alive */
445	}	595	}
446		596
447	/*****************************************************************************/	597	/*****************************************************************************/
448		598
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];	599	static struct ev_child *childs [PID_HASHSIZE];
		600
		601	#ifndef WIN32
		602
461	static struct ev_signal childev;	603	static struct ev_signal childev;
462		604
463	#ifndef WCONTINUED	605	#ifndef WCONTINUED
464	# define WCONTINUED 0	606	# define WCONTINUED 0
465	#endif	607	#endif
466		608
467	static void	609	static void
468	childcb (struct ev_signal *sw, int revents)	610	child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status)
469	{	611	{
470	struct ev_child *w;	612	struct ev_child *w;
		613
		614	for (w = (struct ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child )((WL)w)->next)
		615	if (w->pid == pid \|\| !w->pid)
		616	{
		617	ev_priority (w) = ev_priority (sw); /* need to do it now */
		618	w->rpid = pid;
		619	w->rstatus = status;
		620	ev_feed_event (EV_A_ (W)w, EV_CHILD);
		621	}
		622	}
		623
		624	static void
		625	childcb (EV_P_ struct ev_signal *sw, int revents)
		626	{
471	int pid, status;	627	int pid, status;
472		628
473	while ((pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)) != -1)	629	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
474	for (w = childs [pid & (PID_HASHSIZE - 1)]; w; w = w->next)	630	{
475	if (w->pid == pid \|\| !w->pid)	631	/* make sure we are called again until all childs have been reaped */
476	{	632	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
477	w->status = status;	633
478	event ((W)w, EV_CHILD);	634	child_reap (EV_A_ sw, pid, pid, status);
479	}	635	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
		636	}
480	}	637	}
		638
		639	#endif
481		640
482	/*****************************************************************************/	641	/*****************************************************************************/
483		642
		643	#if EV_USE_KQUEUE
		644	# include "ev_kqueue.c"
		645	#endif
484	#if EV_USE_EPOLL	646	#if EV_USE_EPOLL
485	# include "ev_epoll.c"	647	# include "ev_epoll.c"
486	#endif	648	#endif
487	#if EV_USE_POLL	649	#if EV_USE_POLL
488	# include "ev_poll.c"	650	# include "ev_poll.c"
…		…
501	ev_version_minor (void)	663	ev_version_minor (void)
502	{	664	{
503	return EV_VERSION_MINOR;	665	return EV_VERSION_MINOR;
504	}	666	}
505		667
506	/* return true if we are running with elevated privileges and ignore env variables */	668	/* return true if we are running with elevated privileges and should ignore env variables */
507	static int	669	static int
508	enable_secure ()	670	enable_secure (void)
509	{	671	{
		672	#ifdef WIN32
		673	return 0;
		674	#else
510	return getuid () != geteuid ()	675	return getuid () != geteuid ()
511	\|\| getgid () != getegid ();	676	\|\| getgid () != getegid ();
		677	#endif
512	}	678	}
513		679
514	int ev_init (int methods)	680	int
		681	ev_method (EV_P)
515	{	682	{
		683	return method;
		684	}
		685
		686	static void
		687	loop_init (EV_P_ int methods)
		688	{
516	if (!ev_method)	689	if (!method)
517	{	690	{
518	#if EV_USE_MONOTONIC	691	#if EV_USE_MONOTONIC
519	{	692	{
520	struct timespec ts;	693	struct timespec ts;
521	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	694	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
522	have_monotonic = 1;	695	have_monotonic = 1;
523	}	696	}
524	#endif	697	#endif
525		698
526	ev_now = ev_time ();	699	rt_now = ev_time ();
527	now = get_clock ();	700	mn_now = get_clock ();
528	now_floor = now;	701	now_floor = mn_now;
529	diff = ev_now - now;	702	rtmn_diff = rt_now - mn_now;
530
531	if (pipe (sigpipe))
532	return 0;
533		703
534	if (methods == EVMETHOD_AUTO)	704	if (methods == EVMETHOD_AUTO)
535	if (!enable_secure () && getenv ("LIBEV_METHODS"))	705	if (!enable_secure () && getenv ("LIBEV_METHODS"))
536	methods = atoi (getenv ("LIBEV_METHODS"));	706	methods = atoi (getenv ("LIBEV_METHODS"));
537	else	707	else
538	methods = EVMETHOD_ANY;	708	methods = EVMETHOD_ANY;
539		709
540	ev_method = 0;	710	method = 0;
		711	#if EV_USE_WIN32
		712	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);
		713	#endif
		714	#if EV_USE_KQUEUE
		715	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);
		716	#endif
541	#if EV_USE_EPOLL	717	#if EV_USE_EPOLL
542	if (!ev_method && (methods & EVMETHOD_EPOLL )) epoll_init (methods);	718	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);
543	#endif	719	#endif
544	#if EV_USE_POLL	720	#if EV_USE_POLL
545	if (!ev_method && (methods & EVMETHOD_POLL )) poll_init (methods);	721	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);
546	#endif	722	#endif
547	#if EV_USE_SELECT	723	#if EV_USE_SELECT
548	if (!ev_method && (methods & EVMETHOD_SELECT)) select_init (methods);	724	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);
549	#endif	725	#endif
550		726
		727	ev_watcher_init (&sigev, sigcb);
		728	ev_set_priority (&sigev, EV_MAXPRI);
		729	}
		730	}
		731
		732	void
		733	loop_destroy (EV_P)
		734	{
		735	int i;
		736
		737	#if EV_USE_WIN32
		738	if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);
		739	#endif
		740	#if EV_USE_KQUEUE
		741	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
		742	#endif
		743	#if EV_USE_EPOLL
		744	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);
		745	#endif
		746	#if EV_USE_POLL
		747	if (method == EVMETHOD_POLL ) poll_destroy (EV_A);
		748	#endif
		749	#if EV_USE_SELECT
		750	if (method == EVMETHOD_SELECT) select_destroy (EV_A);
		751	#endif
		752
		753	for (i = NUMPRI; i--; )
		754	array_free (pending, [i]);
		755
		756	/* have to use the microsoft-never-gets-it-right macro */
		757	array_free_microshit (fdchange);
		758	array_free_microshit (timer);
		759	array_free_microshit (periodic);
		760	array_free_microshit (idle);
		761	array_free_microshit (prepare);
		762	array_free_microshit (check);
		763
		764	method = 0;
		765	}
		766
		767	static void
		768	loop_fork (EV_P)
		769	{
		770	#if EV_USE_EPOLL
		771	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
		772	#endif
		773	#if EV_USE_KQUEUE
		774	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
		775	#endif
		776
		777	if (ev_is_active (&sigev))
		778	{
		779	/* default loop */
		780
		781	ev_ref (EV_A);
		782	ev_io_stop (EV_A_ &sigev);
		783	close (sigpipe [0]);
		784	close (sigpipe [1]);
		785
		786	while (pipe (sigpipe))
		787	syserr ("(libev) error creating pipe");
		788
		789	siginit (EV_A);
		790	}
		791
		792	postfork = 0;
		793	}
		794
		795	#if EV_MULTIPLICITY
		796	struct ev_loop *
		797	ev_loop_new (int methods)
		798	{
		799	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
		800
		801	memset (loop, 0, sizeof (struct ev_loop));
		802
		803	loop_init (EV_A_ methods);
		804
		805	if (ev_method (EV_A))
		806	return loop;
		807
		808	return 0;
		809	}
		810
		811	void
		812	ev_loop_destroy (EV_P)
		813	{
		814	loop_destroy (EV_A);
		815	ev_free (loop);
		816	}
		817
		818	void
		819	ev_loop_fork (EV_P)
		820	{
		821	postfork = 1;
		822	}
		823
		824	#endif
		825
		826	#if EV_MULTIPLICITY
		827	struct ev_loop default_loop_struct;
		828	static struct ev_loop *default_loop;
		829
		830	struct ev_loop *
		831	#else
		832	static int default_loop;
		833
		834	int
		835	#endif
		836	ev_default_loop (int methods)
		837	{
		838	if (sigpipe [0] == sigpipe [1])
		839	if (pipe (sigpipe))
		840	return 0;
		841
		842	if (!default_loop)
		843	{
		844	#if EV_MULTIPLICITY
		845	struct ev_loop *loop = default_loop = &default_loop_struct;
		846	#else
		847	default_loop = 1;
		848	#endif
		849
		850	loop_init (EV_A_ methods);
		851
551	if (ev_method)	852	if (ev_method (EV_A))
552	{	853	{
553	ev_watcher_init (&sigev, sigcb);
554	siginit ();	854	siginit (EV_A);
555		855
		856	#ifndef WIN32
556	ev_signal_init (&childev, childcb, SIGCHLD);	857	ev_signal_init (&childev, childcb, SIGCHLD);
		858	ev_set_priority (&childev, EV_MAXPRI);
557	ev_signal_start (&childev);	859	ev_signal_start (EV_A_ &childev);
		860	ev_unref (EV_A); /* child watcher should not keep loop alive */
		861	#endif
558	}	862	}
		863	else
		864	default_loop = 0;
559	}	865	}
560		866
561	return ev_method;	867	return default_loop;
		868	}
		869
		870	void
		871	ev_default_destroy (void)
		872	{
		873	#if EV_MULTIPLICITY
		874	struct ev_loop *loop = default_loop;
		875	#endif
		876
		877	#ifndef WIN32
		878	ev_ref (EV_A); /* child watcher */
		879	ev_signal_stop (EV_A_ &childev);
		880	#endif
		881
		882	ev_ref (EV_A); /* signal watcher */
		883	ev_io_stop (EV_A_ &sigev);
		884
		885	close (sigpipe [0]); sigpipe [0] = 0;
		886	close (sigpipe [1]); sigpipe [1] = 0;
		887
		888	loop_destroy (EV_A);
		889	}
		890
		891	void
		892	ev_default_fork (void)
		893	{
		894	#if EV_MULTIPLICITY
		895	struct ev_loop *loop = default_loop;
		896	#endif
		897
		898	if (method)
		899	postfork = 1;
562	}	900	}
563		901
564	/*****************************************************************************/	902	/*****************************************************************************/
565		903
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	904	static int
		905	any_pending (EV_P)
		906	{
		907	int pri;
		908
		909	for (pri = NUMPRI; pri--; )
		910	if (pendingcnt [pri])
		911	return 1;
		912
		913	return 0;
		914	}
		915
		916	static void
596	call_pending (void)	917	call_pending (EV_P)
597	{	918	{
		919	int pri;
		920
		921	for (pri = NUMPRI; pri--; )
598	while (pendingcnt)	922	while (pendingcnt [pri])
599	{	923	{
600	ANPENDING *p = pendings + --pendingcnt;	924	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
601		925
602	if (p->w)	926	if (p->w)
603	{	927	{
604	p->w->pending = 0;	928	p->w->pending = 0;
605	p->w->cb (p->w, p->events);	929	p->w->cb (EV_A_ p->w, p->events);
606	}	930	}
607	}	931	}
608	}	932	}
609		933
610	static void	934	static void
611	timers_reify (void)	935	timers_reify (EV_P)
612	{	936	{
613	while (timercnt && timers [0]->at <= now)	937	while (timercnt && ((WT)timers [0])->at <= mn_now)
614	{	938	{
615	struct ev_timer *w = timers [0];	939	struct ev_timer *w = timers [0];
		940
		941	assert (("inactive timer on timer heap detected", ev_is_active (w)));
616		942
617	/* first reschedule or stop timer */	943	/* first reschedule or stop timer */
618	if (w->repeat)	944	if (w->repeat)
619	{	945	{
620	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	946	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
621	w->at = now + w->repeat;	947	((WT)w)->at = mn_now + w->repeat;
622	downheap ((WT *)timers, timercnt, 0);	948	downheap ((WT *)timers, timercnt, 0);
623	}	949	}
624	else	950	else
625	ev_timer_stop (w); /* nonrepeating: stop timer */	951	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
626		952
627	event ((W)w, EV_TIMEOUT);	953	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
628	}	954	}
629	}	955	}
630		956
631	static void	957	static void
632	periodics_reify (void)	958	periodics_reify (EV_P)
633	{	959	{
634	while (periodiccnt && periodics [0]->at <= ev_now)	960	while (periodiccnt && ((WT)periodics [0])->at <= rt_now)
635	{	961	{
636	struct ev_periodic *w = periodics [0];	962	struct ev_periodic *w = periodics [0];
637		963
		964	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
		965
638	/* first reschedule or stop timer */	966	/* first reschedule or stop timer */
639	if (w->interval)	967	if (w->reschedule_cb)
640	{	968	{
		969	ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, rt_now + 0.0001);
		970
		971	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > rt_now));
		972	downheap ((WT *)periodics, periodiccnt, 0);
		973	}
		974	else if (w->interval)
		975	{
641	w->at += floor ((ev_now - w->at) / w->interval + 1.) * w->interval;	976	((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));	977	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now));
643	downheap ((WT *)periodics, periodiccnt, 0);	978	downheap ((WT *)periodics, periodiccnt, 0);
644	}	979	}
645	else	980	else
646	ev_periodic_stop (w); /* nonrepeating: stop timer */	981	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
647		982
648	event ((W)w, EV_PERIODIC);	983	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
649	}	984	}
650	}	985	}
651		986
652	static void	987	static void
653	periodics_reschedule (ev_tstamp diff)	988	periodics_reschedule (EV_P)
654	{	989	{
655	int i;	990	int i;
656		991
657	/* adjust periodics after time jump */	992	/* adjust periodics after time jump */
658	for (i = 0; i < periodiccnt; ++i)	993	for (i = 0; i < periodiccnt; ++i)
659	{	994	{
660	struct ev_periodic *w = periodics [i];	995	struct ev_periodic *w = periodics [i];
661		996
		997	if (w->reschedule_cb)
		998	((WT)w)->at = w->reschedule_cb (w, rt_now);
662	if (w->interval)	999	else if (w->interval)
663	{
664	ev_tstamp diff = ceil ((ev_now - w->at) / w->interval) * w->interval;	1000	((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	}	1001	}
675	}
676		1002
677	static int	1003	/* now rebuild the heap */
		1004	for (i = periodiccnt >> 1; i--; )
		1005	downheap ((WT *)periodics, periodiccnt, i);
		1006	}
		1007
		1008	inline int
678	time_update_monotonic (void)	1009	time_update_monotonic (EV_P)
679	{	1010	{
680	now = get_clock ();	1011	mn_now = get_clock ();
681		1012
682	if (expect_true (now - now_floor < MIN_TIMEJUMP * .5))	1013	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
683	{	1014	{
684	ev_now = now + diff;	1015	rt_now = rtmn_diff + mn_now;
685	return 0;	1016	return 0;
686	}	1017	}
687	else	1018	else
688	{	1019	{
689	now_floor = now;	1020	now_floor = mn_now;
690	ev_now = ev_time ();	1021	rt_now = ev_time ();
691	return 1;	1022	return 1;
692	}	1023	}
693	}	1024	}
694		1025
695	static void	1026	static void
696	time_update (void)	1027	time_update (EV_P)
697	{	1028	{
698	int i;	1029	int i;
699		1030
700	#if EV_USE_MONOTONIC	1031	#if EV_USE_MONOTONIC
701	if (expect_true (have_monotonic))	1032	if (expect_true (have_monotonic))
702	{	1033	{
703	if (time_update_monotonic ())	1034	if (time_update_monotonic (EV_A))
704	{	1035	{
705	ev_tstamp odiff = diff;	1036	ev_tstamp odiff = rtmn_diff;
706		1037
707	for (i = 4; --i; ) /* loop a few times, before making important decisions */	1038	for (i = 4; --i; ) /* loop a few times, before making important decisions */
708	{	1039	{
709	diff = ev_now - now;	1040	rtmn_diff = rt_now - mn_now;
710		1041
711	if (fabs (odiff - diff) < MIN_TIMEJUMP)	1042	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
712	return; /* all is well */	1043	return; /* all is well */
713		1044
714	ev_now = ev_time ();	1045	rt_now = ev_time ();
715	now = get_clock ();	1046	mn_now = get_clock ();
716	now_floor = now;	1047	now_floor = mn_now;
717	}	1048	}
718		1049
719	periodics_reschedule (diff - odiff);	1050	periodics_reschedule (EV_A);
720	/* no timer adjustment, as the monotonic clock doesn't jump */	1051	/* no timer adjustment, as the monotonic clock doesn't jump */
		1052	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
721	}	1053	}
722	}	1054	}
723	else	1055	else
724	#endif	1056	#endif
725	{	1057	{
726	ev_now = ev_time ();	1058	rt_now = ev_time ();
727		1059
728	if (expect_false (now > ev_now \|\| now < ev_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1060	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
729	{	1061	{
730	periodics_reschedule (ev_now - now);	1062	periodics_reschedule (EV_A);
731		1063
732	/* adjust timers. this is easy, as the offset is the same for all */	1064	/* adjust timers. this is easy, as the offset is the same for all */
733	for (i = 0; i < timercnt; ++i)	1065	for (i = 0; i < timercnt; ++i)
734	timers [i]->at += diff;	1066	((WT)timers [i])->at += rt_now - mn_now;
735	}	1067	}
736		1068
737	now = ev_now;	1069	mn_now = rt_now;
738	}	1070	}
739	}	1071	}
740		1072
741	int ev_loop_done;	1073	void
		1074	ev_ref (EV_P)
		1075	{
		1076	++activecnt;
		1077	}
742		1078
		1079	void
		1080	ev_unref (EV_P)
		1081	{
		1082	--activecnt;
		1083	}
		1084
		1085	static int loop_done;
		1086
		1087	void
743	void ev_loop (int flags)	1088	ev_loop (EV_P_ int flags)
744	{	1089	{
745	double block;	1090	double block;
746	ev_loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1091	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
747		1092
748	do	1093	do
749	{	1094	{
750	/* queue check watchers (and execute them) */	1095	/* queue check watchers (and execute them) */
751	if (expect_false (preparecnt))	1096	if (expect_false (preparecnt))
752	{	1097	{
753	queue_events ((W *)prepares, preparecnt, EV_PREPARE);	1098	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
754	call_pending ();	1099	call_pending (EV_A);
755	}	1100	}
756		1101
		1102	/* we might have forked, so reify kernel state if necessary */
		1103	if (expect_false (postfork))
		1104	loop_fork (EV_A);
		1105
757	/* update fd-related kernel structures */	1106	/* update fd-related kernel structures */
758	fd_reify ();	1107	fd_reify (EV_A);
759		1108
760	/* calculate blocking time */	1109	/* calculate blocking time */
761		1110
762	/* we only need this for !monotonic clockor timers, but as we basically	1111	/* we only need this for !monotonic clock or timers, but as we basically
763	always have timers, we just calculate it always */	1112	always have timers, we just calculate it always */
764	#if EV_USE_MONOTONIC	1113	#if EV_USE_MONOTONIC
765	if (expect_true (have_monotonic))	1114	if (expect_true (have_monotonic))
766	time_update_monotonic ();	1115	time_update_monotonic (EV_A);
767	else	1116	else
768	#endif	1117	#endif
769	{	1118	{
770	ev_now = ev_time ();	1119	rt_now = ev_time ();
771	now = ev_now;	1120	mn_now = rt_now;
772	}	1121	}
773		1122
774	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1123	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
775	block = 0.;	1124	block = 0.;
776	else	1125	else
777	{	1126	{
778	block = MAX_BLOCKTIME;	1127	block = MAX_BLOCKTIME;
779		1128
780	if (timercnt)	1129	if (timercnt)
781	{	1130	{
782	ev_tstamp to = timers [0]->at - now + method_fudge;	1131	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
783	if (block > to) block = to;	1132	if (block > to) block = to;
784	}	1133	}
785		1134
786	if (periodiccnt)	1135	if (periodiccnt)
787	{	1136	{
788	ev_tstamp to = periodics [0]->at - ev_now + method_fudge;	1137	ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;
789	if (block > to) block = to;	1138	if (block > to) block = to;
790	}	1139	}
791		1140
792	if (block < 0.) block = 0.;	1141	if (block < 0.) block = 0.;
793	}	1142	}
794		1143
795	method_poll (block);	1144	method_poll (EV_A_ block);
796		1145
797	/* update ev_now, do magic */	1146	/* update rt_now, do magic */
798	time_update ();	1147	time_update (EV_A);
799		1148
800	/* queue pending timers and reschedule them */	1149	/* queue pending timers and reschedule them */
801	timers_reify (); /* relative timers called last */	1150	timers_reify (EV_A); /* relative timers called last */
802	periodics_reify (); /* absolute timers called first */	1151	periodics_reify (EV_A); /* absolute timers called first */
803		1152
804	/* queue idle watchers unless io or timers are pending */	1153	/* queue idle watchers unless io or timers are pending */
805	if (!pendingcnt)	1154	if (idlecnt && !any_pending (EV_A))
806	queue_events ((W *)idles, idlecnt, EV_IDLE);	1155	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
807		1156
808	/* queue check watchers, to be executed first */	1157	/* queue check watchers, to be executed first */
809	if (checkcnt)	1158	if (checkcnt)
810	queue_events ((W *)checks, checkcnt, EV_CHECK);	1159	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
811		1160
812	call_pending ();	1161	call_pending (EV_A);
813	}	1162	}
814	while (!ev_loop_done);	1163	while (activecnt && !loop_done);
815		1164
816	if (ev_loop_done != 2)	1165	if (loop_done != 2)
817	ev_loop_done = 0;	1166	loop_done = 0;
		1167	}
		1168
		1169	void
		1170	ev_unloop (EV_P_ int how)
		1171	{
		1172	loop_done = how;
818	}	1173	}
819		1174
820	/*****************************************************************************/	1175	/*****************************************************************************/
821		1176
822	static void	1177	inline void
823	wlist_add (WL *head, WL elem)	1178	wlist_add (WL *head, WL elem)
824	{	1179	{
825	elem->next = *head;	1180	elem->next = *head;
826	*head = elem;	1181	*head = elem;
827	}	1182	}
828		1183
829	static void	1184	inline void
830	wlist_del (WL *head, WL elem)	1185	wlist_del (WL *head, WL elem)
831	{	1186	{
832	while (*head)	1187	while (*head)
833	{	1188	{
834	if (*head == elem)	1189	if (*head == elem)
…		…
839		1194
840	head = &(*head)->next;	1195	head = &(*head)->next;
841	}	1196	}
842	}	1197	}
843		1198
844	static void	1199	inline void
845	ev_clear_pending (W w)	1200	ev_clear_pending (EV_P_ W w)
846	{	1201	{
847	if (w->pending)	1202	if (w->pending)
848	{	1203	{
849	pendings [w->pending - 1].w = 0;	1204	pendings [ABSPRI (w)][w->pending - 1].w = 0;
850	w->pending = 0;	1205	w->pending = 0;
851	}	1206	}
852	}	1207	}
853		1208
854	static void	1209	inline void
855	ev_start (W w, int active)	1210	ev_start (EV_P_ W w, int active)
856	{	1211	{
		1212	if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;
		1213	if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
		1214
857	w->active = active;	1215	w->active = active;
		1216	ev_ref (EV_A);
858	}	1217	}
859		1218
860	static void	1219	inline void
861	ev_stop (W w)	1220	ev_stop (EV_P_ W w)
862	{	1221	{
		1222	ev_unref (EV_A);
863	w->active = 0;	1223	w->active = 0;
864	}	1224	}
865		1225
866	/*****************************************************************************/	1226	/*****************************************************************************/
867		1227
868	void	1228	void
869	ev_io_start (struct ev_io *w)	1229	ev_io_start (EV_P_ struct ev_io *w)
870	{	1230	{
871	int fd = w->fd;	1231	int fd = w->fd;
872		1232
873	if (ev_is_active (w))	1233	if (ev_is_active (w))
874	return;	1234	return;
875		1235
876	assert (("ev_io_start called with negative fd", fd >= 0));	1236	assert (("ev_io_start called with negative fd", fd >= 0));
877		1237
878	ev_start ((W)w, 1);	1238	ev_start (EV_A_ (W)w, 1);
879	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	1239	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
880	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1240	wlist_add ((WL *)&anfds[fd].head, (WL)w);
881		1241
882	fd_change (fd);	1242	fd_change (EV_A_ fd);
883	}	1243	}
884		1244
885	void	1245	void
886	ev_io_stop (struct ev_io *w)	1246	ev_io_stop (EV_P_ struct ev_io *w)
887	{	1247	{
888	ev_clear_pending ((W)w);	1248	ev_clear_pending (EV_A_ (W)w);
889	if (!ev_is_active (w))	1249	if (!ev_is_active (w))
890	return;	1250	return;
891		1251
892	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1252	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
893	ev_stop ((W)w);	1253	ev_stop (EV_A_ (W)w);
894		1254
895	fd_change (w->fd);	1255	fd_change (EV_A_ w->fd);
896	}	1256	}
897		1257
898	void	1258	void
899	ev_timer_start (struct ev_timer *w)	1259	ev_timer_start (EV_P_ struct ev_timer *w)
900	{	1260	{
901	if (ev_is_active (w))	1261	if (ev_is_active (w))
902	return;	1262	return;
903		1263
904	w->at += now;	1264	((WT)w)->at += mn_now;
905		1265
906	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1266	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
907		1267
908	ev_start ((W)w, ++timercnt);	1268	ev_start (EV_A_ (W)w, ++timercnt);
909	array_needsize (timers, timermax, timercnt, );	1269	array_needsize (struct ev_timer *, timers, timermax, timercnt, (void));
910	timers [timercnt - 1] = w;	1270	timers [timercnt - 1] = w;
911	upheap ((WT *)timers, timercnt - 1);	1271	upheap ((WT *)timers, timercnt - 1);
912	}
913		1272
		1273	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1274	}
		1275
914	void	1276	void
915	ev_timer_stop (struct ev_timer *w)	1277	ev_timer_stop (EV_P_ struct ev_timer *w)
916	{	1278	{
917	ev_clear_pending ((W)w);	1279	ev_clear_pending (EV_A_ (W)w);
918	if (!ev_is_active (w))	1280	if (!ev_is_active (w))
919	return;	1281	return;
920		1282
		1283	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1284
921	if (w->active < timercnt--)	1285	if (((W)w)->active < timercnt--)
922	{	1286	{
923	timers [w->active - 1] = timers [timercnt];	1287	timers [((W)w)->active - 1] = timers [timercnt];
924	downheap ((WT *)timers, timercnt, w->active - 1);	1288	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
925	}	1289	}
926		1290
927	w->at = w->repeat;	1291	((WT)w)->at = w->repeat;
928		1292
929	ev_stop ((W)w);	1293	ev_stop (EV_A_ (W)w);
930	}	1294	}
931		1295
932	void	1296	void
933	ev_timer_again (struct ev_timer *w)	1297	ev_timer_again (EV_P_ struct ev_timer *w)
934	{	1298	{
935	if (ev_is_active (w))	1299	if (ev_is_active (w))
936	{	1300	{
937	if (w->repeat)	1301	if (w->repeat)
938	{	1302	{
939	w->at = now + w->repeat;	1303	((WT)w)->at = mn_now + w->repeat;
940	downheap ((WT *)timers, timercnt, w->active - 1);	1304	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
941	}	1305	}
942	else	1306	else
943	ev_timer_stop (w);	1307	ev_timer_stop (EV_A_ w);
944	}	1308	}
945	else if (w->repeat)	1309	else if (w->repeat)
946	ev_timer_start (w);	1310	ev_timer_start (EV_A_ w);
947	}	1311	}
948		1312
949	void	1313	void
950	ev_periodic_start (struct ev_periodic *w)	1314	ev_periodic_start (EV_P_ struct ev_periodic *w)
951	{	1315	{
952	if (ev_is_active (w))	1316	if (ev_is_active (w))
953	return;	1317	return;
954		1318
		1319	if (w->reschedule_cb)
		1320	((WT)w)->at = w->reschedule_cb (w, rt_now);
		1321	else if (w->interval)
		1322	{
955	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1323	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 */	1324	/* 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;	1325	((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
		1326	}
960		1327
961	ev_start ((W)w, ++periodiccnt);	1328	ev_start (EV_A_ (W)w, ++periodiccnt);
962	array_needsize (periodics, periodicmax, periodiccnt, );	1329	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void));
963	periodics [periodiccnt - 1] = w;	1330	periodics [periodiccnt - 1] = w;
964	upheap ((WT *)periodics, periodiccnt - 1);	1331	upheap ((WT *)periodics, periodiccnt - 1);
965	}
966		1332
		1333	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1334	}
		1335
967	void	1336	void
968	ev_periodic_stop (struct ev_periodic *w)	1337	ev_periodic_stop (EV_P_ struct ev_periodic *w)
969	{	1338	{
970	ev_clear_pending ((W)w);	1339	ev_clear_pending (EV_A_ (W)w);
971	if (!ev_is_active (w))	1340	if (!ev_is_active (w))
972	return;	1341	return;
973		1342
		1343	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1344
974	if (w->active < periodiccnt--)	1345	if (((W)w)->active < periodiccnt--)
975	{	1346	{
976	periodics [w->active - 1] = periodics [periodiccnt];	1347	periodics [((W)w)->active - 1] = periodics [periodiccnt];
977	downheap ((WT *)periodics, periodiccnt, w->active - 1);	1348	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
978	}	1349	}
979		1350
980	ev_stop ((W)w);	1351	ev_stop (EV_A_ (W)w);
981	}	1352	}
982		1353
983	void	1354	void
		1355	ev_periodic_again (EV_P_ struct ev_periodic *w)
		1356	{
		1357	ev_periodic_stop (EV_A_ w);
		1358	ev_periodic_start (EV_A_ w);
		1359	}
		1360
		1361	void
984	ev_signal_start (struct ev_signal *w)	1362	ev_idle_start (EV_P_ struct ev_idle *w)
985	{	1363	{
986	if (ev_is_active (w))	1364	if (ev_is_active (w))
987	return;	1365	return;
988		1366
		1367	ev_start (EV_A_ (W)w, ++idlecnt);
		1368	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void));
		1369	idles [idlecnt - 1] = w;
		1370	}
		1371
		1372	void
		1373	ev_idle_stop (EV_P_ struct ev_idle *w)
		1374	{
		1375	ev_clear_pending (EV_A_ (W)w);
		1376	if (ev_is_active (w))
		1377	return;
		1378
		1379	idles [((W)w)->active - 1] = idles [--idlecnt];
		1380	ev_stop (EV_A_ (W)w);
		1381	}
		1382
		1383	void
		1384	ev_prepare_start (EV_P_ struct ev_prepare *w)
		1385	{
		1386	if (ev_is_active (w))
		1387	return;
		1388
		1389	ev_start (EV_A_ (W)w, ++preparecnt);
		1390	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void));
		1391	prepares [preparecnt - 1] = w;
		1392	}
		1393
		1394	void
		1395	ev_prepare_stop (EV_P_ struct ev_prepare *w)
		1396	{
		1397	ev_clear_pending (EV_A_ (W)w);
		1398	if (ev_is_active (w))
		1399	return;
		1400
		1401	prepares [((W)w)->active - 1] = prepares [--preparecnt];
		1402	ev_stop (EV_A_ (W)w);
		1403	}
		1404
		1405	void
		1406	ev_check_start (EV_P_ struct ev_check *w)
		1407	{
		1408	if (ev_is_active (w))
		1409	return;
		1410
		1411	ev_start (EV_A_ (W)w, ++checkcnt);
		1412	array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void));
		1413	checks [checkcnt - 1] = w;
		1414	}
		1415
		1416	void
		1417	ev_check_stop (EV_P_ struct ev_check *w)
		1418	{
		1419	ev_clear_pending (EV_A_ (W)w);
		1420	if (ev_is_active (w))
		1421	return;
		1422
		1423	checks [((W)w)->active - 1] = checks [--checkcnt];
		1424	ev_stop (EV_A_ (W)w);
		1425	}
		1426
		1427	#ifndef SA_RESTART
		1428	# define SA_RESTART 0
		1429	#endif
		1430
		1431	void
		1432	ev_signal_start (EV_P_ struct ev_signal *w)
		1433	{
		1434	#if EV_MULTIPLICITY
		1435	assert (("signal watchers are only supported in the default loop", loop == default_loop));
		1436	#endif
		1437	if (ev_is_active (w))
		1438	return;
		1439
989	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1440	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
990		1441
991	ev_start ((W)w, 1);	1442	ev_start (EV_A_ (W)w, 1);
992	array_needsize (signals, signalmax, w->signum, signals_init);	1443	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
993	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1444	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
994		1445
995	if (!w->next)	1446	if (!((WL)w)->next)
996	{	1447	{
		1448	#if WIN32
		1449	signal (w->signum, sighandler);
		1450	#else
997	struct sigaction sa;	1451	struct sigaction sa;
998	sa.sa_handler = sighandler;	1452	sa.sa_handler = sighandler;
999	sigfillset (&sa.sa_mask);	1453	sigfillset (&sa.sa_mask);
1000	sa.sa_flags = 0;	1454	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1001	sigaction (w->signum, &sa, 0);	1455	sigaction (w->signum, &sa, 0);
		1456	#endif
1002	}	1457	}
1003	}	1458	}
1004		1459
1005	void	1460	void
1006	ev_signal_stop (struct ev_signal *w)	1461	ev_signal_stop (EV_P_ struct ev_signal *w)
1007	{	1462	{
1008	ev_clear_pending ((W)w);	1463	ev_clear_pending (EV_A_ (W)w);
1009	if (!ev_is_active (w))	1464	if (!ev_is_active (w))
1010	return;	1465	return;
1011		1466
1012	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1467	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1013	ev_stop ((W)w);	1468	ev_stop (EV_A_ (W)w);
1014		1469
1015	if (!signals [w->signum - 1].head)	1470	if (!signals [w->signum - 1].head)
1016	signal (w->signum, SIG_DFL);	1471	signal (w->signum, SIG_DFL);
1017	}	1472	}
1018		1473
1019	void	1474	void
1020	ev_idle_start (struct ev_idle *w)	1475	ev_child_start (EV_P_ struct ev_child *w)
1021	{	1476	{
		1477	#if EV_MULTIPLICITY
		1478	assert (("child watchers are only supported in the default loop", loop == default_loop));
		1479	#endif
1022	if (ev_is_active (w))	1480	if (ev_is_active (w))
1023	return;	1481	return;
1024		1482
1025	ev_start ((W)w, ++idlecnt);	1483	ev_start (EV_A_ (W)w, 1);
1026	array_needsize (idles, idlemax, idlecnt, );	1484	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1027	idles [idlecnt - 1] = w;
1028	}	1485	}
1029		1486
1030	void	1487	void
1031	ev_idle_stop (struct ev_idle *w)	1488	ev_child_stop (EV_P_ struct ev_child *w)
1032	{	1489	{
1033	ev_clear_pending ((W)w);	1490	ev_clear_pending (EV_A_ (W)w);
1034	if (ev_is_active (w))	1491	if (ev_is_active (w))
1035	return;	1492	return;
1036		1493
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);	1494	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1103	ev_stop ((W)w);	1495	ev_stop (EV_A_ (W)w);
1104	}	1496	}
1105		1497
1106	/*****************************************************************************/	1498	/*****************************************************************************/
1107		1499
1108	struct ev_once	1500	struct ev_once
…		…
1112	void (cb)(int revents, void arg);	1504	void (cb)(int revents, void arg);
1113	void *arg;	1505	void *arg;
1114	};	1506	};
1115		1507
1116	static void	1508	static void
1117	once_cb (struct ev_once *once, int revents)	1509	once_cb (EV_P_ struct ev_once *once, int revents)
1118	{	1510	{
1119	void (cb)(int revents, void arg) = once->cb;	1511	void (cb)(int revents, void arg) = once->cb;
1120	void *arg = once->arg;	1512	void *arg = once->arg;
1121		1513
1122	ev_io_stop (&once->io);	1514	ev_io_stop (EV_A_ &once->io);
1123	ev_timer_stop (&once->to);	1515	ev_timer_stop (EV_A_ &once->to);
1124	free (once);	1516	ev_free (once);
1125		1517
1126	cb (revents, arg);	1518	cb (revents, arg);
1127	}	1519	}
1128		1520
1129	static void	1521	static void
1130	once_cb_io (struct ev_io *w, int revents)	1522	once_cb_io (EV_P_ struct ev_io *w, int revents)
1131	{	1523	{
1132	once_cb ((struct ev_once )(((char )w) - offsetof (struct ev_once, io)), revents);	1524	once_cb (EV_A_ (struct ev_once )(((char )w) - offsetof (struct ev_once, io)), revents);
1133	}	1525	}
1134		1526
1135	static void	1527	static void
1136	once_cb_to (struct ev_timer *w, int revents)	1528	once_cb_to (EV_P_ struct ev_timer *w, int revents)
1137	{	1529	{
1138	once_cb ((struct ev_once )(((char )w) - offsetof (struct ev_once, to)), revents);	1530	once_cb (EV_A_ (struct ev_once )(((char )w) - offsetof (struct ev_once, to)), revents);
1139	}	1531	}
1140		1532
1141	void	1533	void
1142	ev_once (int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1534	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1143	{	1535	{
1144	struct ev_once *once = malloc (sizeof (struct ev_once));	1536	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1145		1537
1146	if (!once)	1538	if (!once)
1147	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1539	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1148	else	1540	else
1149	{	1541	{
…		…
1152		1544
1153	ev_watcher_init (&once->io, once_cb_io);	1545	ev_watcher_init (&once->io, once_cb_io);
1154	if (fd >= 0)	1546	if (fd >= 0)
1155	{	1547	{
1156	ev_io_set (&once->io, fd, events);	1548	ev_io_set (&once->io, fd, events);
1157	ev_io_start (&once->io);	1549	ev_io_start (EV_A_ &once->io);
1158	}	1550	}
1159		1551
1160	ev_watcher_init (&once->to, once_cb_to);	1552	ev_watcher_init (&once->to, once_cb_to);
1161	if (timeout >= 0.)	1553	if (timeout >= 0.)
1162	{	1554	{
1163	ev_timer_set (&once->to, timeout, 0.);	1555	ev_timer_set (&once->to, timeout, 0.);
1164	ev_timer_start (&once->to);	1556	ev_timer_start (EV_A_ &once->to);
1165	}	1557	}
1166	}	1558	}
1167	}	1559	}
1168		1560
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 1.78 by root, Thu Nov 8 21:08:56 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 1.78 by root, Thu Nov 8 21:08:56 2007 UTC