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

Comparing libev/ev.c (file contents):
Revision 1.45 by root, Sat Nov 3 09:19:58 2007 UTC vs.
Revision 1.84 by root, Fri Nov 9 23:04:35 2007 UTC

…		…
26	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	26	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	27	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE	28	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	29	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30	*/	30	*/
31	#if EV_USE_CONFIG_H	31	#ifndef EV_STANDALONE
32	# include "config.h"	32	# include "config.h"
		33
		34	# if HAVE_CLOCK_GETTIME
		35	# define EV_USE_MONOTONIC 1
		36	# define EV_USE_REALTIME 1
		37	# endif
		38
		39	# if HAVE_SELECT && HAVE_SYS_SELECT_H
		40	# define EV_USE_SELECT 1
		41	# endif
		42
		43	# if HAVE_POLL && HAVE_POLL_H
		44	# define EV_USE_POLL 1
		45	# endif
		46
		47	# if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
		48	# define EV_USE_EPOLL 1
		49	# endif
		50
		51	# if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H
		52	# define EV_USE_KQUEUE 1
		53	# endif
		54
33	#endif	55	#endif
34		56
35	#include <math.h>	57	#include <math.h>
36	#include <stdlib.h>	58	#include <stdlib.h>
37	#include <unistd.h>
38	#include <fcntl.h>	59	#include <fcntl.h>
39	#include <signal.h>
40	#include <stddef.h>	60	#include <stddef.h>
41		61
42	#include <stdio.h>	62	#include <stdio.h>
43		63
44	#include <assert.h>	64	#include <assert.h>
45	#include <errno.h>	65	#include <errno.h>
46	#include <sys/types.h>	66	#include <sys/types.h>
		67	#include <time.h>
		68
		69	#include <signal.h>
		70
47	#ifndef WIN32	71	#ifndef WIN32
		72	# include <unistd.h>
		73	# include <sys/time.h>
48	# include <sys/wait.h>	74	# include <sys/wait.h>
49	#endif	75	#endif
50	#include <sys/time.h>
51	#include <time.h>
52
53	/**/	76	/**/
54		77
55	#ifndef EV_USE_MONOTONIC	78	#ifndef EV_USE_MONOTONIC
56	# define EV_USE_MONOTONIC 1	79	# define EV_USE_MONOTONIC 1
57	#endif	80	#endif
…		…
68	# define EV_USE_EPOLL 0	91	# define EV_USE_EPOLL 0
69	#endif	92	#endif
70		93
71	#ifndef EV_USE_KQUEUE	94	#ifndef EV_USE_KQUEUE
72	# define EV_USE_KQUEUE 0	95	# define EV_USE_KQUEUE 0
		96	#endif
		97
		98	#ifndef EV_USE_WIN32
		99	# ifdef WIN32
		100	# define EV_USE_WIN32 0 /* it does not exist, use select */
		101	# undef EV_USE_SELECT
		102	# define EV_USE_SELECT 1
		103	# else
		104	# define EV_USE_WIN32 0
		105	# endif
73	#endif	106	#endif
74		107
75	#ifndef EV_USE_REALTIME	108	#ifndef EV_USE_REALTIME
76	# define EV_USE_REALTIME 1	109	# define EV_USE_REALTIME 1
77	#endif	110	#endif
…		…
93	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	126	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
94	#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */	127	#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */
95	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */	128	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */
96	/#define CLEANUP_INTERVAL 300. / how often to try to free memory and re-check fds */	129	/#define CLEANUP_INTERVAL 300. / how often to try to free memory and re-check fds */
97		130
		131	#ifdef EV_H
		132	# include EV_H
		133	#else
98	#include "ev.h"	134	# include "ev.h"
		135	#endif
99		136
100	#if __GNUC__ >= 3	137	#if __GNUC__ >= 3
101	# define expect(expr,value) __builtin_expect ((expr),(value))	138	# define expect(expr,value) __builtin_expect ((expr),(value))
102	# define inline inline	139	# define inline inline
103	#else	140	#else
…		…
113		150
114	typedef struct ev_watcher *W;	151	typedef struct ev_watcher *W;
115	typedef struct ev_watcher_list *WL;	152	typedef struct ev_watcher_list *WL;
116	typedef struct ev_watcher_time *WT;	153	typedef struct ev_watcher_time *WT;
117		154
118	static ev_tstamp now_floor, now, diff; /* monotonic clock */	155	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
119	ev_tstamp ev_now;
120	int ev_method;
121		156
122	static int have_monotonic; /* runtime */	157	#include "ev_win32.c"
123
124	static ev_tstamp method_fudge; /* stupid epoll-returns-early bug */
125	static void (*method_modify)(int fd, int oev, int nev);
126	static void (*method_poll)(ev_tstamp timeout);
127		158
128	/*****************************************************************************/	159	/*****************************************************************************/
129		160
130	ev_tstamp	161	static void (syserr_cb)(const char msg);
		162
		163	void ev_set_syserr_cb (void (cb)(const char msg))
		164	{
		165	syserr_cb = cb;
		166	}
		167
		168	static void
		169	syserr (const char *msg)
		170	{
		171	if (!msg)
		172	msg = "(libev) system error";
		173
		174	if (syserr_cb)
		175	syserr_cb (msg);
		176	else
		177	{
		178	perror (msg);
		179	abort ();
		180	}
		181	}
		182
		183	static void (alloc)(void *ptr, long size);
		184
		185	void ev_set_allocator (void (cb)(void *ptr, long size))
		186	{
		187	alloc = cb;
		188	}
		189
		190	static void *
		191	ev_realloc (void *ptr, long size)
		192	{
		193	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
		194
		195	if (!ptr && size)
		196	{
		197	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
		198	abort ();
		199	}
		200
		201	return ptr;
		202	}
		203
		204	#define ev_malloc(size) ev_realloc (0, (size))
		205	#define ev_free(ptr) ev_realloc ((ptr), 0)
		206
		207	/*****************************************************************************/
		208
		209	typedef struct
		210	{
		211	WL head;
		212	unsigned char events;
		213	unsigned char reify;
		214	} ANFD;
		215
		216	typedef struct
		217	{
		218	W w;
		219	int events;
		220	} ANPENDING;
		221
		222	#if EV_MULTIPLICITY
		223
		224	struct ev_loop
		225	{
		226	#define VAR(name,decl) decl;
		227	#include "ev_vars.h"
		228	#undef VAR
		229	};
		230	#include "ev_wrap.h"
		231
		232	struct ev_loop default_loop_struct;
		233	static struct ev_loop *default_loop;
		234
		235	#else
		236
		237	#define VAR(name,decl) static decl;
		238	#include "ev_vars.h"
		239	#undef VAR
		240
		241	static int default_loop;
		242
		243	#endif
		244
		245	/*****************************************************************************/
		246
		247	inline ev_tstamp
131	ev_time (void)	248	ev_time (void)
132	{	249	{
133	#if EV_USE_REALTIME	250	#if EV_USE_REALTIME
134	struct timespec ts;	251	struct timespec ts;
135	clock_gettime (CLOCK_REALTIME, &ts);	252	clock_gettime (CLOCK_REALTIME, &ts);
…		…
139	gettimeofday (&tv, 0);	256	gettimeofday (&tv, 0);
140	return tv.tv_sec + tv.tv_usec * 1e-6;	257	return tv.tv_sec + tv.tv_usec * 1e-6;
141	#endif	258	#endif
142	}	259	}
143		260
144	static ev_tstamp	261	inline ev_tstamp
145	get_clock (void)	262	get_clock (void)
146	{	263	{
147	#if EV_USE_MONOTONIC	264	#if EV_USE_MONOTONIC
148	if (expect_true (have_monotonic))	265	if (expect_true (have_monotonic))
149	{	266	{
…		…
154	#endif	271	#endif
155		272
156	return ev_time ();	273	return ev_time ();
157	}	274	}
158		275
		276	ev_tstamp
		277	ev_now (EV_P)
		278	{
		279	return rt_now;
		280	}
		281
159	#define array_roundsize(base,n) ((n) \| 4 & ~3)	282	#define array_roundsize(type,n) ((n) \| 4 & ~3)
160		283
161	#define array_needsize(base,cur,cnt,init) \	284	#define array_needsize(type,base,cur,cnt,init) \
162	if (expect_false ((cnt) > cur)) \	285	if (expect_false ((cnt) > cur)) \
163	{ \	286	{ \
164	int newcnt = cur; \	287	int newcnt = cur; \
165	do \	288	do \
166	{ \	289	{ \
167	newcnt = array_roundsize (base, newcnt << 1); \	290	newcnt = array_roundsize (type, newcnt << 1); \
168	} \	291	} \
169	while ((cnt) > newcnt); \	292	while ((cnt) > newcnt); \
170	\	293	\
171	base = realloc (base, sizeof (base) (newcnt)); \	294	base = (type )ev_realloc (base, sizeof (type) (newcnt));\
172	init (base + cur, newcnt - cur); \	295	init (base + cur, newcnt - cur); \
173	cur = newcnt; \	296	cur = newcnt; \
174	}	297	}
		298
		299	#define array_slim(type,stem) \
		300	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
		301	{ \
		302	stem ## max = array_roundsize (stem ## cnt >> 1); \
		303	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
		304	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
		305	}
		306
		307	/* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */
		308	/* bringing us everlasting joy in form of stupid extra macros that are not required in C */
		309	#define array_free_microshit(stem) \
		310	ev_free (stem ## s); stem ## cnt = stem ## max = 0;
		311
		312	#define array_free(stem, idx) \
		313	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
175		314
176	/*****************************************************************************/	315	/*****************************************************************************/
177
178	typedef struct
179	{
180	struct ev_io *head;
181	unsigned char events;
182	unsigned char reify;
183	} ANFD;
184
185	static ANFD *anfds;
186	static int anfdmax;
187		316
188	static void	317	static void
189	anfds_init (ANFD *base, int count)	318	anfds_init (ANFD *base, int count)
190	{	319	{
191	while (count--)	320	while (count--)
…		…
196		325
197	++base;	326	++base;
198	}	327	}
199	}	328	}
200		329
201	typedef struct	330	void
		331	ev_feed_event (EV_P_ void *w, int revents)
202	{	332	{
203	W w;	333	W w_ = (W)w;
204	int events;
205	} ANPENDING;
206		334
207	static ANPENDING *pendings [NUMPRI];
208	static int pendingmax [NUMPRI], pendingcnt [NUMPRI];
209
210	static void
211	event (W w, int events)
212	{
213	if (w->pending)	335	if (w_->pending)
214	{	336	{
215	pendings [ABSPRI (w)][w->pending - 1].events \|= events;	337	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
216	return;	338	return;
217	}	339	}
218		340
219	w->pending = ++pendingcnt [ABSPRI (w)];	341	w_->pending = ++pendingcnt [ABSPRI (w_)];
220	array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], );	342	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void));
221	pendings [ABSPRI (w)][w->pending - 1].w = w;	343	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
222	pendings [ABSPRI (w)][w->pending - 1].events = events;	344	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
223	}	345	}
224		346
225	static void	347	static void
226	queue_events (W *events, int eventcnt, int type)	348	queue_events (EV_P_ W *events, int eventcnt, int type)
227	{	349	{
228	int i;	350	int i;
229		351
230	for (i = 0; i < eventcnt; ++i)	352	for (i = 0; i < eventcnt; ++i)
231	event (events [i], type);	353	ev_feed_event (EV_A_ events [i], type);
232	}	354	}
233		355
234	static void	356	inline void
235	fd_event (int fd, int events)	357	fd_event (EV_P_ int fd, int revents)
236	{	358	{
237	ANFD *anfd = anfds + fd;	359	ANFD *anfd = anfds + fd;
238	struct ev_io *w;	360	struct ev_io *w;
239		361
240	for (w = anfd->head; w; w = w->next)	362	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
241	{	363	{
242	int ev = w->events & events;	364	int ev = w->events & revents;
243		365
244	if (ev)	366	if (ev)
245	event ((W)w, ev);	367	ev_feed_event (EV_A_ (W)w, ev);
246	}	368	}
		369	}
		370
		371	void
		372	ev_feed_fd_event (EV_P_ int fd, int revents)
		373	{
		374	fd_event (EV_A_ fd, revents);
247	}	375	}
248		376
249	/*****************************************************************************/	377	/*****************************************************************************/
250		378
251	static int *fdchanges;
252	static int fdchangemax, fdchangecnt;
253
254	static void	379	static void
255	fd_reify (void)	380	fd_reify (EV_P)
256	{	381	{
257	int i;	382	int i;
258		383
259	for (i = 0; i < fdchangecnt; ++i)	384	for (i = 0; i < fdchangecnt; ++i)
260	{	385	{
…		…
262	ANFD *anfd = anfds + fd;	387	ANFD *anfd = anfds + fd;
263	struct ev_io *w;	388	struct ev_io *w;
264		389
265	int events = 0;	390	int events = 0;
266		391
267	for (w = anfd->head; w; w = w->next)	392	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
268	events \|= w->events;	393	events \|= w->events;
269		394
270	anfd->reify = 0;	395	anfd->reify = 0;
271		396
272	if (anfd->events != events)
273	{
274	method_modify (fd, anfd->events, events);	397	method_modify (EV_A_ fd, anfd->events, events);
275	anfd->events = events;	398	anfd->events = events;
276	}
277	}	399	}
278		400
279	fdchangecnt = 0;	401	fdchangecnt = 0;
280	}	402	}
281		403
282	static void	404	static void
283	fd_change (int fd)	405	fd_change (EV_P_ int fd)
284	{	406	{
285	if (anfds [fd].reify \|\| fdchangecnt < 0)	407	if (anfds [fd].reify)
286	return;	408	return;
287		409
288	anfds [fd].reify = 1;	410	anfds [fd].reify = 1;
289		411
290	++fdchangecnt;	412	++fdchangecnt;
291	array_needsize (fdchanges, fdchangemax, fdchangecnt, );	413	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void));
292	fdchanges [fdchangecnt - 1] = fd;	414	fdchanges [fdchangecnt - 1] = fd;
293	}	415	}
294		416
295	static void	417	static void
296	fd_kill (int fd)	418	fd_kill (EV_P_ int fd)
297	{	419	{
298	struct ev_io *w;	420	struct ev_io *w;
299		421
300	printf ("killing fd %d\n", fd);//D
301	while ((w = anfds [fd].head))	422	while ((w = (struct ev_io *)anfds [fd].head))
302	{	423	{
303	ev_io_stop (w);	424	ev_io_stop (EV_A_ w);
304	event ((W)w, EV_ERROR \| EV_READ \| EV_WRITE);	425	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
305	}	426	}
		427	}
		428
		429	static int
		430	fd_valid (int fd)
		431	{
		432	#ifdef WIN32
		433	return !!win32_get_osfhandle (fd);
		434	#else
		435	return fcntl (fd, F_GETFD) != -1;
		436	#endif
306	}	437	}
307		438
308	/* called on EBADF to verify fds */	439	/* called on EBADF to verify fds */
309	static void	440	static void
310	fd_ebadf (void)	441	fd_ebadf (EV_P)
311	{	442	{
312	int fd;	443	int fd;
313		444
314	for (fd = 0; fd < anfdmax; ++fd)	445	for (fd = 0; fd < anfdmax; ++fd)
315	if (anfds [fd].events)	446	if (anfds [fd].events)
316	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)	447	if (!fd_valid (fd) == -1 && errno == EBADF)
317	fd_kill (fd);	448	fd_kill (EV_A_ fd);
318	}	449	}
319		450
320	/* called on ENOMEM in select/poll to kill some fds and retry */	451	/* called on ENOMEM in select/poll to kill some fds and retry */
321	static void	452	static void
322	fd_enomem (void)	453	fd_enomem (EV_P)
323	{	454	{
324	int fd = anfdmax;	455	int fd;
325		456
326	while (fd--)	457	for (fd = anfdmax; fd--; )
327	if (anfds [fd].events)	458	if (anfds [fd].events)
328	{	459	{
329	close (fd);
330	fd_kill (fd);	460	fd_kill (EV_A_ fd);
331	return;	461	return;
332	}	462	}
333	}	463	}
334		464
		465	/* usually called after fork if method needs to re-arm all fds from scratch */
		466	static void
		467	fd_rearm_all (EV_P)
		468	{
		469	int fd;
		470
		471	/* this should be highly optimised to not do anything but set a flag */
		472	for (fd = 0; fd < anfdmax; ++fd)
		473	if (anfds [fd].events)
		474	{
		475	anfds [fd].events = 0;
		476	fd_change (EV_A_ fd);
		477	}
		478	}
		479
335	/*****************************************************************************/	480	/*****************************************************************************/
336		481
337	static struct ev_timer **timers;
338	static int timermax, timercnt;
339
340	static struct ev_periodic **periodics;
341	static int periodicmax, periodiccnt;
342
343	static void	482	static void
344	upheap (WT *timers, int k)	483	upheap (WT *heap, int k)
345	{	484	{
346	WT w = timers [k];	485	WT w = heap [k];
347		486
348	while (k && timers [k >> 1]->at > w->at)	487	while (k && heap [k >> 1]->at > w->at)
349	{	488	{
350	timers [k] = timers [k >> 1];	489	heap [k] = heap [k >> 1];
351	timers [k]->active = k + 1;	490	((W)heap [k])->active = k + 1;
352	k >>= 1;	491	k >>= 1;
353	}	492	}
354		493
355	timers [k] = w;	494	heap [k] = w;
356	timers [k]->active = k + 1;	495	((W)heap [k])->active = k + 1;
357		496
358	}	497	}
359		498
360	static void	499	static void
361	downheap (WT *timers, int N, int k)	500	downheap (WT *heap, int N, int k)
362	{	501	{
363	WT w = timers [k];	502	WT w = heap [k];
364		503
365	while (k < (N >> 1))	504	while (k < (N >> 1))
366	{	505	{
367	int j = k << 1;	506	int j = k << 1;
368		507
369	if (j + 1 < N && timers [j]->at > timers [j + 1]->at)	508	if (j + 1 < N && heap [j]->at > heap [j + 1]->at)
370	++j;	509	++j;
371		510
372	if (w->at <= timers [j]->at)	511	if (w->at <= heap [j]->at)
373	break;	512	break;
374		513
375	timers [k] = timers [j];	514	heap [k] = heap [j];
376	timers [k]->active = k + 1;	515	((W)heap [k])->active = k + 1;
377	k = j;	516	k = j;
378	}	517	}
379		518
380	timers [k] = w;	519	heap [k] = w;
381	timers [k]->active = k + 1;	520	((W)heap [k])->active = k + 1;
		521	}
		522
		523	inline void
		524	adjustheap (WT *heap, int N, int k, ev_tstamp at)
		525	{
		526	ev_tstamp old_at = heap [k]->at;
		527	heap [k]->at = at;
		528
		529	if (old_at < at)
		530	downheap (heap, N, k);
		531	else
		532	upheap (heap, k);
382	}	533	}
383		534
384	/*****************************************************************************/	535	/*****************************************************************************/
385		536
386	typedef struct	537	typedef struct
387	{	538	{
388	struct ev_signal *head;	539	WL head;
389	sig_atomic_t volatile gotsig;	540	sig_atomic_t volatile gotsig;
390	} ANSIG;	541	} ANSIG;
391		542
392	static ANSIG *signals;	543	static ANSIG *signals;
393	static int signalmax;	544	static int signalmax;
…		…
409	}	560	}
410		561
411	static void	562	static void
412	sighandler (int signum)	563	sighandler (int signum)
413	{	564	{
		565	#if WIN32
		566	signal (signum, sighandler);
		567	#endif
		568
414	signals [signum - 1].gotsig = 1;	569	signals [signum - 1].gotsig = 1;
415		570
416	if (!gotsig)	571	if (!gotsig)
417	{	572	{
		573	int old_errno = errno;
418	gotsig = 1;	574	gotsig = 1;
		575	#ifdef WIN32
		576	send (sigpipe [1], &signum, 1, MSG_DONTWAIT);
		577	#else
419	write (sigpipe [1], &signum, 1);	578	write (sigpipe [1], &signum, 1);
		579	#endif
		580	errno = old_errno;
420	}	581	}
421	}	582	}
422		583
		584	void
		585	ev_feed_signal_event (EV_P_ int signum)
		586	{
		587	WL w;
		588
		589	#if EV_MULTIPLICITY
		590	assert (("feeding signal events is only supported in the default loop", loop == default_loop));
		591	#endif
		592
		593	--signum;
		594
		595	if (signum < 0 \|\| signum >= signalmax)
		596	return;
		597
		598	signals [signum].gotsig = 0;
		599
		600	for (w = signals [signum].head; w; w = w->next)
		601	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
		602	}
		603
423	static void	604	static void
424	sigcb (struct ev_io *iow, int revents)	605	sigcb (EV_P_ struct ev_io *iow, int revents)
425	{	606	{
426	struct ev_signal *w;
427	int signum;	607	int signum;
428		608
		609	#ifdef WIN32
		610	recv (sigpipe [0], &revents, 1, MSG_DONTWAIT);
		611	#else
429	read (sigpipe [0], &revents, 1);	612	read (sigpipe [0], &revents, 1);
		613	#endif
430	gotsig = 0;	614	gotsig = 0;
431		615
432	for (signum = signalmax; signum--; )	616	for (signum = signalmax; signum--; )
433	if (signals [signum].gotsig)	617	if (signals [signum].gotsig)
434	{	618	ev_feed_signal_event (EV_A_ signum + 1);
435	signals [signum].gotsig = 0;
436
437	for (w = signals [signum].head; w; w = w->next)
438	event ((W)w, EV_SIGNAL);
439	}
440	}	619	}
441		620
442	static void	621	static void
443	siginit (void)	622	siginit (EV_P)
444	{	623	{
445	#ifndef WIN32	624	#ifndef WIN32
446	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	625	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);
447	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);	626	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
448		627
…		…
450	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);	629	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
451	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);	630	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
452	#endif	631	#endif
453		632
454	ev_io_set (&sigev, sigpipe [0], EV_READ);	633	ev_io_set (&sigev, sigpipe [0], EV_READ);
455	ev_io_start (&sigev);	634	ev_io_start (EV_A_ &sigev);
		635	ev_unref (EV_A); /* child watcher should not keep loop alive */
456	}	636	}
457		637
458	/*****************************************************************************/	638	/*****************************************************************************/
459		639
460	static struct ev_idle **idles;
461	static int idlemax, idlecnt;
462
463	static struct ev_prepare **prepares;
464	static int preparemax, preparecnt;
465
466	static struct ev_check **checks;
467	static int checkmax, checkcnt;
468
469	/*****************************************************************************/
470
471	static struct ev_child *childs [PID_HASHSIZE];	640	static struct ev_child *childs [PID_HASHSIZE];
		641
		642	#ifndef WIN32
		643
472	static struct ev_signal childev;	644	static struct ev_signal childev;
473
474	#ifndef WIN32
475		645
476	#ifndef WCONTINUED	646	#ifndef WCONTINUED
477	# define WCONTINUED 0	647	# define WCONTINUED 0
478	#endif	648	#endif
479		649
480	static void	650	static void
481	childcb (struct ev_signal *sw, int revents)	651	child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status)
482	{	652	{
483	struct ev_child *w;	653	struct ev_child *w;
		654
		655	for (w = (struct ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child )((WL)w)->next)
		656	if (w->pid == pid \|\| !w->pid)
		657	{
		658	ev_priority (w) = ev_priority (sw); /* need to do it now */
		659	w->rpid = pid;
		660	w->rstatus = status;
		661	ev_feed_event (EV_A_ (W)w, EV_CHILD);
		662	}
		663	}
		664
		665	static void
		666	childcb (EV_P_ struct ev_signal *sw, int revents)
		667	{
484	int pid, status;	668	int pid, status;
485		669
486	while ((pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)) != -1)	670	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
487	for (w = childs [pid & (PID_HASHSIZE - 1)]; w; w = w->next)	671	{
488	if (w->pid == pid \|\| !w->pid)	672	/* make sure we are called again until all childs have been reaped */
489	{	673	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
490	w->status = status;	674
491	event ((W)w, EV_CHILD);	675	child_reap (EV_A_ sw, pid, pid, status);
492	}	676	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
		677	}
493	}	678	}
494		679
495	#endif	680	#endif
496		681
497	/*****************************************************************************/	682	/*****************************************************************************/
…		…
519	ev_version_minor (void)	704	ev_version_minor (void)
520	{	705	{
521	return EV_VERSION_MINOR;	706	return EV_VERSION_MINOR;
522	}	707	}
523		708
524	/* return true if we are running with elevated privileges and ignore env variables */	709	/* return true if we are running with elevated privileges and should ignore env variables */
525	static int	710	static int
526	enable_secure ()	711	enable_secure (void)
527	{	712	{
		713	#ifdef WIN32
		714	return 0;
		715	#else
528	return getuid () != geteuid ()	716	return getuid () != geteuid ()
529	\|\| getgid () != getegid ();	717	\|\| getgid () != getegid ();
		718	#endif
530	}	719	}
531		720
532	int ev_init (int methods)	721	int
		722	ev_method (EV_P)
533	{	723	{
		724	return method;
		725	}
		726
		727	static void
		728	loop_init (EV_P_ int methods)
		729	{
534	if (!ev_method)	730	if (!method)
535	{	731	{
536	#if EV_USE_MONOTONIC	732	#if EV_USE_MONOTONIC
537	{	733	{
538	struct timespec ts;	734	struct timespec ts;
539	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	735	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
540	have_monotonic = 1;	736	have_monotonic = 1;
541	}	737	}
542	#endif	738	#endif
543		739
544	ev_now = ev_time ();	740	rt_now = ev_time ();
545	now = get_clock ();	741	mn_now = get_clock ();
546	now_floor = now;	742	now_floor = mn_now;
547	diff = ev_now - now;	743	rtmn_diff = rt_now - mn_now;
548
549	if (pipe (sigpipe))
550	return 0;
551		744
552	if (methods == EVMETHOD_AUTO)	745	if (methods == EVMETHOD_AUTO)
553	if (!enable_secure () && getenv ("LIBEV_METHODS"))	746	if (!enable_secure () && getenv ("LIBEV_METHODS"))
554	methods = atoi (getenv ("LIBEV_METHODS"));	747	methods = atoi (getenv ("LIBEV_METHODS"));
555	else	748	else
556	methods = EVMETHOD_ANY;	749	methods = EVMETHOD_ANY;
557		750
558	ev_method = 0;	751	method = 0;
		752	#if EV_USE_WIN32
		753	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);
		754	#endif
559	#if EV_USE_KQUEUE	755	#if EV_USE_KQUEUE
560	if (!ev_method && (methods & EVMETHOD_KQUEUE)) kqueue_init (methods);	756	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);
561	#endif	757	#endif
562	#if EV_USE_EPOLL	758	#if EV_USE_EPOLL
563	if (!ev_method && (methods & EVMETHOD_EPOLL )) epoll_init (methods);	759	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);
564	#endif	760	#endif
565	#if EV_USE_POLL	761	#if EV_USE_POLL
566	if (!ev_method && (methods & EVMETHOD_POLL )) poll_init (methods);	762	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);
567	#endif	763	#endif
568	#if EV_USE_SELECT	764	#if EV_USE_SELECT
569	if (!ev_method && (methods & EVMETHOD_SELECT)) select_init (methods);	765	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);
570	#endif	766	#endif
571		767
		768	ev_init (&sigev, sigcb);
		769	ev_set_priority (&sigev, EV_MAXPRI);
		770	}
		771	}
		772
		773	void
		774	loop_destroy (EV_P)
		775	{
		776	int i;
		777
		778	#if EV_USE_WIN32
		779	if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);
		780	#endif
		781	#if EV_USE_KQUEUE
		782	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
		783	#endif
		784	#if EV_USE_EPOLL
		785	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);
		786	#endif
		787	#if EV_USE_POLL
		788	if (method == EVMETHOD_POLL ) poll_destroy (EV_A);
		789	#endif
		790	#if EV_USE_SELECT
		791	if (method == EVMETHOD_SELECT) select_destroy (EV_A);
		792	#endif
		793
		794	for (i = NUMPRI; i--; )
		795	array_free (pending, [i]);
		796
		797	/* have to use the microsoft-never-gets-it-right macro */
		798	array_free_microshit (fdchange);
		799	array_free_microshit (timer);
		800	array_free_microshit (periodic);
		801	array_free_microshit (idle);
		802	array_free_microshit (prepare);
		803	array_free_microshit (check);
		804
		805	method = 0;
		806	}
		807
		808	static void
		809	loop_fork (EV_P)
		810	{
		811	#if EV_USE_EPOLL
		812	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
		813	#endif
		814	#if EV_USE_KQUEUE
		815	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
		816	#endif
		817
		818	if (ev_is_active (&sigev))
		819	{
		820	/* default loop */
		821
		822	ev_ref (EV_A);
		823	ev_io_stop (EV_A_ &sigev);
		824	close (sigpipe [0]);
		825	close (sigpipe [1]);
		826
		827	while (pipe (sigpipe))
		828	syserr ("(libev) error creating pipe");
		829
		830	siginit (EV_A);
		831	}
		832
		833	postfork = 0;
		834	}
		835
		836	#if EV_MULTIPLICITY
		837	struct ev_loop *
		838	ev_loop_new (int methods)
		839	{
		840	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
		841
		842	memset (loop, 0, sizeof (struct ev_loop));
		843
		844	loop_init (EV_A_ methods);
		845
		846	if (ev_method (EV_A))
		847	return loop;
		848
		849	return 0;
		850	}
		851
		852	void
		853	ev_loop_destroy (EV_P)
		854	{
		855	loop_destroy (EV_A);
		856	ev_free (loop);
		857	}
		858
		859	void
		860	ev_loop_fork (EV_P)
		861	{
		862	postfork = 1;
		863	}
		864
		865	#endif
		866
		867	#if EV_MULTIPLICITY
		868	struct ev_loop *
		869	#else
		870	int
		871	#endif
		872	ev_default_loop (int methods)
		873	{
		874	if (sigpipe [0] == sigpipe [1])
		875	if (pipe (sigpipe))
		876	return 0;
		877
		878	if (!default_loop)
		879	{
		880	#if EV_MULTIPLICITY
		881	struct ev_loop *loop = default_loop = &default_loop_struct;
		882	#else
		883	default_loop = 1;
		884	#endif
		885
		886	loop_init (EV_A_ methods);
		887
572	if (ev_method)	888	if (ev_method (EV_A))
573	{	889	{
574	ev_watcher_init (&sigev, sigcb);
575	siginit ();	890	siginit (EV_A);
576		891
577	#ifndef WIN32	892	#ifndef WIN32
578	ev_signal_init (&childev, childcb, SIGCHLD);	893	ev_signal_init (&childev, childcb, SIGCHLD);
		894	ev_set_priority (&childev, EV_MAXPRI);
579	ev_signal_start (&childev);	895	ev_signal_start (EV_A_ &childev);
		896	ev_unref (EV_A); /* child watcher should not keep loop alive */
580	#endif	897	#endif
581	}	898	}
		899	else
		900	default_loop = 0;
582	}	901	}
583		902
584	return ev_method;	903	return default_loop;
		904	}
		905
		906	void
		907	ev_default_destroy (void)
		908	{
		909	#if EV_MULTIPLICITY
		910	struct ev_loop *loop = default_loop;
		911	#endif
		912
		913	#ifndef WIN32
		914	ev_ref (EV_A); /* child watcher */
		915	ev_signal_stop (EV_A_ &childev);
		916	#endif
		917
		918	ev_ref (EV_A); /* signal watcher */
		919	ev_io_stop (EV_A_ &sigev);
		920
		921	close (sigpipe [0]); sigpipe [0] = 0;
		922	close (sigpipe [1]); sigpipe [1] = 0;
		923
		924	loop_destroy (EV_A);
		925	}
		926
		927	void
		928	ev_default_fork (void)
		929	{
		930	#if EV_MULTIPLICITY
		931	struct ev_loop *loop = default_loop;
		932	#endif
		933
		934	if (method)
		935	postfork = 1;
585	}	936	}
586		937
587	/*****************************************************************************/	938	/*****************************************************************************/
588		939
589	void
590	ev_fork_prepare (void)
591	{
592	/* nop */
593	}
594
595	void
596	ev_fork_parent (void)
597	{
598	/* nop */
599	}
600
601	void
602	ev_fork_child (void)
603	{
604	#if EV_USE_EPOLL
605	if (ev_method == EVMETHOD_EPOLL)
606	epoll_postfork_child ();
607	#endif
608
609	ev_io_stop (&sigev);
610	close (sigpipe [0]);
611	close (sigpipe [1]);
612	pipe (sigpipe);
613	siginit ();
614	}
615
616	/*****************************************************************************/
617
618	static void	940	static int
		941	any_pending (EV_P)
		942	{
		943	int pri;
		944
		945	for (pri = NUMPRI; pri--; )
		946	if (pendingcnt [pri])
		947	return 1;
		948
		949	return 0;
		950	}
		951
		952	static void
619	call_pending (void)	953	call_pending (EV_P)
620	{	954	{
621	int pri;	955	int pri;
622		956
623	for (pri = NUMPRI; pri--; )	957	for (pri = NUMPRI; pri--; )
624	while (pendingcnt [pri])	958	while (pendingcnt [pri])
…		…
626	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	960	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
627		961
628	if (p->w)	962	if (p->w)
629	{	963	{
630	p->w->pending = 0;	964	p->w->pending = 0;
631	p->w->cb (p->w, p->events);	965	EV_CB_INVOKE (p->w, p->events);
632	}	966	}
633	}	967	}
634	}	968	}
635		969
636	static void	970	static void
637	timers_reify (void)	971	timers_reify (EV_P)
638	{	972	{
639	while (timercnt && timers [0]->at <= now)	973	while (timercnt && ((WT)timers [0])->at <= mn_now)
640	{	974	{
641	struct ev_timer *w = timers [0];	975	struct ev_timer *w = timers [0];
		976
		977	assert (("inactive timer on timer heap detected", ev_is_active (w)));
642		978
643	/* first reschedule or stop timer */	979	/* first reschedule or stop timer */
644	if (w->repeat)	980	if (w->repeat)
645	{	981	{
646	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	982	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
647	w->at = now + w->repeat;	983	((WT)w)->at = mn_now + w->repeat;
648	downheap ((WT *)timers, timercnt, 0);	984	downheap ((WT *)timers, timercnt, 0);
649	}	985	}
650	else	986	else
651	ev_timer_stop (w); /* nonrepeating: stop timer */	987	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
652		988
653	event ((W)w, EV_TIMEOUT);	989	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
654	}	990	}
655	}	991	}
656		992
657	static void	993	static void
658	periodics_reify (void)	994	periodics_reify (EV_P)
659	{	995	{
660	while (periodiccnt && periodics [0]->at <= ev_now)	996	while (periodiccnt && ((WT)periodics [0])->at <= rt_now)
661	{	997	{
662	struct ev_periodic *w = periodics [0];	998	struct ev_periodic *w = periodics [0];
663		999
		1000	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
		1001
664	/* first reschedule or stop timer */	1002	/* first reschedule or stop timer */
665	if (w->interval)	1003	if (w->reschedule_cb)
666	{	1004	{
		1005	ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, rt_now + 0.0001);
		1006
		1007	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > rt_now));
		1008	downheap ((WT *)periodics, periodiccnt, 0);
		1009	}
		1010	else if (w->interval)
		1011	{
667	w->at += floor ((ev_now - w->at) / w->interval + 1.) * w->interval;	1012	((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
668	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > ev_now));	1013	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now));
669	downheap ((WT *)periodics, periodiccnt, 0);	1014	downheap ((WT *)periodics, periodiccnt, 0);
670	}	1015	}
671	else	1016	else
672	ev_periodic_stop (w); /* nonrepeating: stop timer */	1017	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
673		1018
674	event ((W)w, EV_PERIODIC);	1019	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
675	}	1020	}
676	}	1021	}
677		1022
678	static void	1023	static void
679	periodics_reschedule (ev_tstamp diff)	1024	periodics_reschedule (EV_P)
680	{	1025	{
681	int i;	1026	int i;
682		1027
683	/* adjust periodics after time jump */	1028	/* adjust periodics after time jump */
684	for (i = 0; i < periodiccnt; ++i)	1029	for (i = 0; i < periodiccnt; ++i)
685	{	1030	{
686	struct ev_periodic *w = periodics [i];	1031	struct ev_periodic *w = periodics [i];
687		1032
		1033	if (w->reschedule_cb)
		1034	((WT)w)->at = w->reschedule_cb (w, rt_now);
688	if (w->interval)	1035	else if (w->interval)
689	{
690	ev_tstamp diff = ceil ((ev_now - w->at) / w->interval) * w->interval;	1036	((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
691
692	if (fabs (diff) >= 1e-4)
693	{
694	ev_periodic_stop (w);
695	ev_periodic_start (w);
696
697	i = 0; /* restart loop, inefficient, but time jumps should be rare */
698	}
699	}
700	}	1037	}
701	}
702		1038
703	static int	1039	/* now rebuild the heap */
		1040	for (i = periodiccnt >> 1; i--; )
		1041	downheap ((WT *)periodics, periodiccnt, i);
		1042	}
		1043
		1044	inline int
704	time_update_monotonic (void)	1045	time_update_monotonic (EV_P)
705	{	1046	{
706	now = get_clock ();	1047	mn_now = get_clock ();
707		1048
708	if (expect_true (now - now_floor < MIN_TIMEJUMP * .5))	1049	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
709	{	1050	{
710	ev_now = now + diff;	1051	rt_now = rtmn_diff + mn_now;
711	return 0;	1052	return 0;
712	}	1053	}
713	else	1054	else
714	{	1055	{
715	now_floor = now;	1056	now_floor = mn_now;
716	ev_now = ev_time ();	1057	rt_now = ev_time ();
717	return 1;	1058	return 1;
718	}	1059	}
719	}	1060	}
720		1061
721	static void	1062	static void
722	time_update (void)	1063	time_update (EV_P)
723	{	1064	{
724	int i;	1065	int i;
725		1066
726	#if EV_USE_MONOTONIC	1067	#if EV_USE_MONOTONIC
727	if (expect_true (have_monotonic))	1068	if (expect_true (have_monotonic))
728	{	1069	{
729	if (time_update_monotonic ())	1070	if (time_update_monotonic (EV_A))
730	{	1071	{
731	ev_tstamp odiff = diff;	1072	ev_tstamp odiff = rtmn_diff;
732		1073
733	for (i = 4; --i; ) /* loop a few times, before making important decisions */	1074	for (i = 4; --i; ) /* loop a few times, before making important decisions */
734	{	1075	{
735	diff = ev_now - now;	1076	rtmn_diff = rt_now - mn_now;
736		1077
737	if (fabs (odiff - diff) < MIN_TIMEJUMP)	1078	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
738	return; /* all is well */	1079	return; /* all is well */
739		1080
740	ev_now = ev_time ();	1081	rt_now = ev_time ();
741	now = get_clock ();	1082	mn_now = get_clock ();
742	now_floor = now;	1083	now_floor = mn_now;
743	}	1084	}
744		1085
745	periodics_reschedule (diff - odiff);	1086	periodics_reschedule (EV_A);
746	/* no timer adjustment, as the monotonic clock doesn't jump */	1087	/* no timer adjustment, as the monotonic clock doesn't jump */
		1088	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
747	}	1089	}
748	}	1090	}
749	else	1091	else
750	#endif	1092	#endif
751	{	1093	{
752	ev_now = ev_time ();	1094	rt_now = ev_time ();
753		1095
754	if (expect_false (now > ev_now \|\| now < ev_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1096	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
755	{	1097	{
756	periodics_reschedule (ev_now - now);	1098	periodics_reschedule (EV_A);
757		1099
758	/* adjust timers. this is easy, as the offset is the same for all */	1100	/* adjust timers. this is easy, as the offset is the same for all */
759	for (i = 0; i < timercnt; ++i)	1101	for (i = 0; i < timercnt; ++i)
760	timers [i]->at += diff;	1102	((WT)timers [i])->at += rt_now - mn_now;
761	}	1103	}
762		1104
763	now = ev_now;	1105	mn_now = rt_now;
764	}	1106	}
765	}	1107	}
766		1108
767	int ev_loop_done;	1109	void
		1110	ev_ref (EV_P)
		1111	{
		1112	++activecnt;
		1113	}
768		1114
		1115	void
		1116	ev_unref (EV_P)
		1117	{
		1118	--activecnt;
		1119	}
		1120
		1121	static int loop_done;
		1122
		1123	void
769	void ev_loop (int flags)	1124	ev_loop (EV_P_ int flags)
770	{	1125	{
771	double block;	1126	double block;
772	ev_loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1127	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
773		1128
774	do	1129	do
775	{	1130	{
776	/* queue check watchers (and execute them) */	1131	/* queue check watchers (and execute them) */
777	if (expect_false (preparecnt))	1132	if (expect_false (preparecnt))
778	{	1133	{
779	queue_events ((W *)prepares, preparecnt, EV_PREPARE);	1134	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
780	call_pending ();	1135	call_pending (EV_A);
781	}	1136	}
782		1137
		1138	/* we might have forked, so reify kernel state if necessary */
		1139	if (expect_false (postfork))
		1140	loop_fork (EV_A);
		1141
783	/* update fd-related kernel structures */	1142	/* update fd-related kernel structures */
784	fd_reify ();	1143	fd_reify (EV_A);
785		1144
786	/* calculate blocking time */	1145	/* calculate blocking time */
787		1146
788	/* we only need this for !monotonic clockor timers, but as we basically	1147	/* we only need this for !monotonic clock or timers, but as we basically
789	always have timers, we just calculate it always */	1148	always have timers, we just calculate it always */
790	#if EV_USE_MONOTONIC	1149	#if EV_USE_MONOTONIC
791	if (expect_true (have_monotonic))	1150	if (expect_true (have_monotonic))
792	time_update_monotonic ();	1151	time_update_monotonic (EV_A);
793	else	1152	else
794	#endif	1153	#endif
795	{	1154	{
796	ev_now = ev_time ();	1155	rt_now = ev_time ();
797	now = ev_now;	1156	mn_now = rt_now;
798	}	1157	}
799		1158
800	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1159	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
801	block = 0.;	1160	block = 0.;
802	else	1161	else
803	{	1162	{
804	block = MAX_BLOCKTIME;	1163	block = MAX_BLOCKTIME;
805		1164
806	if (timercnt)	1165	if (timercnt)
807	{	1166	{
808	ev_tstamp to = timers [0]->at - now + method_fudge;	1167	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
809	if (block > to) block = to;	1168	if (block > to) block = to;
810	}	1169	}
811		1170
812	if (periodiccnt)	1171	if (periodiccnt)
813	{	1172	{
814	ev_tstamp to = periodics [0]->at - ev_now + method_fudge;	1173	ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;
815	if (block > to) block = to;	1174	if (block > to) block = to;
816	}	1175	}
817		1176
818	if (block < 0.) block = 0.;	1177	if (block < 0.) block = 0.;
819	}	1178	}
820		1179
821	method_poll (block);	1180	method_poll (EV_A_ block);
822		1181
823	/* update ev_now, do magic */	1182	/* update rt_now, do magic */
824	time_update ();	1183	time_update (EV_A);
825		1184
826	/* queue pending timers and reschedule them */	1185	/* queue pending timers and reschedule them */
827	timers_reify (); /* relative timers called last */	1186	timers_reify (EV_A); /* relative timers called last */
828	periodics_reify (); /* absolute timers called first */	1187	periodics_reify (EV_A); /* absolute timers called first */
829		1188
830	/* queue idle watchers unless io or timers are pending */	1189	/* queue idle watchers unless io or timers are pending */
831	if (!pendingcnt)	1190	if (idlecnt && !any_pending (EV_A))
832	queue_events ((W *)idles, idlecnt, EV_IDLE);	1191	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
833		1192
834	/* queue check watchers, to be executed first */	1193	/* queue check watchers, to be executed first */
835	if (checkcnt)	1194	if (checkcnt)
836	queue_events ((W *)checks, checkcnt, EV_CHECK);	1195	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
837		1196
838	call_pending ();	1197	call_pending (EV_A);
839	}	1198	}
840	while (!ev_loop_done);	1199	while (activecnt && !loop_done);
841		1200
842	if (ev_loop_done != 2)	1201	if (loop_done != 2)
843	ev_loop_done = 0;	1202	loop_done = 0;
		1203	}
		1204
		1205	void
		1206	ev_unloop (EV_P_ int how)
		1207	{
		1208	loop_done = how;
844	}	1209	}
845		1210
846	/*****************************************************************************/	1211	/*****************************************************************************/
847		1212
848	static void	1213	inline void
849	wlist_add (WL *head, WL elem)	1214	wlist_add (WL *head, WL elem)
850	{	1215	{
851	elem->next = *head;	1216	elem->next = *head;
852	*head = elem;	1217	*head = elem;
853	}	1218	}
854		1219
855	static void	1220	inline void
856	wlist_del (WL *head, WL elem)	1221	wlist_del (WL *head, WL elem)
857	{	1222	{
858	while (*head)	1223	while (*head)
859	{	1224	{
860	if (*head == elem)	1225	if (*head == elem)
…		…
865		1230
866	head = &(*head)->next;	1231	head = &(*head)->next;
867	}	1232	}
868	}	1233	}
869		1234
870	static void	1235	inline void
871	ev_clear_pending (W w)	1236	ev_clear_pending (EV_P_ W w)
872	{	1237	{
873	if (w->pending)	1238	if (w->pending)
874	{	1239	{
875	pendings [ABSPRI (w)][w->pending - 1].w = 0;	1240	pendings [ABSPRI (w)][w->pending - 1].w = 0;
876	w->pending = 0;	1241	w->pending = 0;
877	}	1242	}
878	}	1243	}
879		1244
880	static void	1245	inline void
881	ev_start (W w, int active)	1246	ev_start (EV_P_ W w, int active)
882	{	1247	{
883	if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;	1248	if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;
884	if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;	1249	if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
885		1250
886	w->active = active;	1251	w->active = active;
		1252	ev_ref (EV_A);
887	}	1253	}
888		1254
889	static void	1255	inline void
890	ev_stop (W w)	1256	ev_stop (EV_P_ W w)
891	{	1257	{
		1258	ev_unref (EV_A);
892	w->active = 0;	1259	w->active = 0;
893	}	1260	}
894		1261
895	/*****************************************************************************/	1262	/*****************************************************************************/
896		1263
897	void	1264	void
898	ev_io_start (struct ev_io *w)	1265	ev_io_start (EV_P_ struct ev_io *w)
899	{	1266	{
900	int fd = w->fd;	1267	int fd = w->fd;
901		1268
902	if (ev_is_active (w))	1269	if (ev_is_active (w))
903	return;	1270	return;
904		1271
905	assert (("ev_io_start called with negative fd", fd >= 0));	1272	assert (("ev_io_start called with negative fd", fd >= 0));
906		1273
907	ev_start ((W)w, 1);	1274	ev_start (EV_A_ (W)w, 1);
908	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	1275	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
909	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1276	wlist_add ((WL *)&anfds[fd].head, (WL)w);
910		1277
911	fd_change (fd);	1278	fd_change (EV_A_ fd);
912	}	1279	}
913		1280
914	void	1281	void
915	ev_io_stop (struct ev_io *w)	1282	ev_io_stop (EV_P_ struct ev_io *w)
916	{	1283	{
917	ev_clear_pending ((W)w);	1284	ev_clear_pending (EV_A_ (W)w);
918	if (!ev_is_active (w))	1285	if (!ev_is_active (w))
919	return;	1286	return;
920		1287
921	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1288	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
922	ev_stop ((W)w);	1289	ev_stop (EV_A_ (W)w);
923		1290
924	fd_change (w->fd);	1291	fd_change (EV_A_ w->fd);
925	}	1292	}
926		1293
927	void	1294	void
928	ev_timer_start (struct ev_timer *w)	1295	ev_timer_start (EV_P_ struct ev_timer *w)
929	{	1296	{
930	if (ev_is_active (w))	1297	if (ev_is_active (w))
931	return;	1298	return;
932		1299
933	w->at += now;	1300	((WT)w)->at += mn_now;
934		1301
935	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1302	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
936		1303
937	ev_start ((W)w, ++timercnt);	1304	ev_start (EV_A_ (W)w, ++timercnt);
938	array_needsize (timers, timermax, timercnt, );	1305	array_needsize (struct ev_timer *, timers, timermax, timercnt, (void));
939	timers [timercnt - 1] = w;	1306	timers [timercnt - 1] = w;
940	upheap ((WT *)timers, timercnt - 1);	1307	upheap ((WT *)timers, timercnt - 1);
941	}
942		1308
		1309	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1310	}
		1311
943	void	1312	void
944	ev_timer_stop (struct ev_timer *w)	1313	ev_timer_stop (EV_P_ struct ev_timer *w)
945	{	1314	{
946	ev_clear_pending ((W)w);	1315	ev_clear_pending (EV_A_ (W)w);
947	if (!ev_is_active (w))	1316	if (!ev_is_active (w))
948	return;	1317	return;
949		1318
		1319	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1320
950	if (w->active < timercnt--)	1321	if (((W)w)->active < timercnt--)
951	{	1322	{
952	timers [w->active - 1] = timers [timercnt];	1323	timers [((W)w)->active - 1] = timers [timercnt];
953	downheap ((WT *)timers, timercnt, w->active - 1);	1324	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
954	}	1325	}
955		1326
956	w->at = w->repeat;	1327	((WT)w)->at = w->repeat;
957		1328
958	ev_stop ((W)w);	1329	ev_stop (EV_A_ (W)w);
959	}	1330	}
960		1331
961	void	1332	void
962	ev_timer_again (struct ev_timer *w)	1333	ev_timer_again (EV_P_ struct ev_timer *w)
963	{	1334	{
964	if (ev_is_active (w))	1335	if (ev_is_active (w))
965	{	1336	{
966	if (w->repeat)	1337	if (w->repeat)
967	{
968	w->at = now + w->repeat;
969	downheap ((WT *)timers, timercnt, w->active - 1);	1338	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1, mn_now + w->repeat);
970	}
971	else	1339	else
972	ev_timer_stop (w);	1340	ev_timer_stop (EV_A_ w);
973	}	1341	}
974	else if (w->repeat)	1342	else if (w->repeat)
975	ev_timer_start (w);	1343	ev_timer_start (EV_A_ w);
976	}	1344	}
977		1345
978	void	1346	void
979	ev_periodic_start (struct ev_periodic *w)	1347	ev_periodic_start (EV_P_ struct ev_periodic *w)
980	{	1348	{
981	if (ev_is_active (w))	1349	if (ev_is_active (w))
982	return;	1350	return;
983		1351
		1352	if (w->reschedule_cb)
		1353	((WT)w)->at = w->reschedule_cb (w, rt_now);
		1354	else if (w->interval)
		1355	{
984	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1356	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
985
986	/* this formula differs from the one in periodic_reify because we do not always round up */	1357	/* this formula differs from the one in periodic_reify because we do not always round up */
987	if (w->interval)
988	w->at += ceil ((ev_now - w->at) / w->interval) * w->interval;	1358	((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
		1359	}
989		1360
990	ev_start ((W)w, ++periodiccnt);	1361	ev_start (EV_A_ (W)w, ++periodiccnt);
991	array_needsize (periodics, periodicmax, periodiccnt, );	1362	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void));
992	periodics [periodiccnt - 1] = w;	1363	periodics [periodiccnt - 1] = w;
993	upheap ((WT *)periodics, periodiccnt - 1);	1364	upheap ((WT *)periodics, periodiccnt - 1);
994	}
995		1365
		1366	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1367	}
		1368
996	void	1369	void
997	ev_periodic_stop (struct ev_periodic *w)	1370	ev_periodic_stop (EV_P_ struct ev_periodic *w)
998	{	1371	{
999	ev_clear_pending ((W)w);	1372	ev_clear_pending (EV_A_ (W)w);
1000	if (!ev_is_active (w))	1373	if (!ev_is_active (w))
1001	return;	1374	return;
1002		1375
		1376	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1377
1003	if (w->active < periodiccnt--)	1378	if (((W)w)->active < periodiccnt--)
1004	{	1379	{
1005	periodics [w->active - 1] = periodics [periodiccnt];	1380	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1006	downheap ((WT *)periodics, periodiccnt, w->active - 1);	1381	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1007	}	1382	}
1008		1383
1009	ev_stop ((W)w);	1384	ev_stop (EV_A_ (W)w);
1010	}	1385	}
1011		1386
1012	void	1387	void
		1388	ev_periodic_again (EV_P_ struct ev_periodic *w)
		1389	{
		1390	/* TODO: use adjustheap and recalculation */
		1391	ev_periodic_stop (EV_A_ w);
		1392	ev_periodic_start (EV_A_ w);
		1393	}
		1394
		1395	void
1013	ev_signal_start (struct ev_signal *w)	1396	ev_idle_start (EV_P_ struct ev_idle *w)
1014	{	1397	{
1015	if (ev_is_active (w))	1398	if (ev_is_active (w))
1016	return;	1399	return;
1017		1400
		1401	ev_start (EV_A_ (W)w, ++idlecnt);
		1402	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void));
		1403	idles [idlecnt - 1] = w;
		1404	}
		1405
		1406	void
		1407	ev_idle_stop (EV_P_ struct ev_idle *w)
		1408	{
		1409	ev_clear_pending (EV_A_ (W)w);
		1410	if (ev_is_active (w))
		1411	return;
		1412
		1413	idles [((W)w)->active - 1] = idles [--idlecnt];
		1414	ev_stop (EV_A_ (W)w);
		1415	}
		1416
		1417	void
		1418	ev_prepare_start (EV_P_ struct ev_prepare *w)
		1419	{
		1420	if (ev_is_active (w))
		1421	return;
		1422
		1423	ev_start (EV_A_ (W)w, ++preparecnt);
		1424	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void));
		1425	prepares [preparecnt - 1] = w;
		1426	}
		1427
		1428	void
		1429	ev_prepare_stop (EV_P_ struct ev_prepare *w)
		1430	{
		1431	ev_clear_pending (EV_A_ (W)w);
		1432	if (ev_is_active (w))
		1433	return;
		1434
		1435	prepares [((W)w)->active - 1] = prepares [--preparecnt];
		1436	ev_stop (EV_A_ (W)w);
		1437	}
		1438
		1439	void
		1440	ev_check_start (EV_P_ struct ev_check *w)
		1441	{
		1442	if (ev_is_active (w))
		1443	return;
		1444
		1445	ev_start (EV_A_ (W)w, ++checkcnt);
		1446	array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void));
		1447	checks [checkcnt - 1] = w;
		1448	}
		1449
		1450	void
		1451	ev_check_stop (EV_P_ struct ev_check *w)
		1452	{
		1453	ev_clear_pending (EV_A_ (W)w);
		1454	if (ev_is_active (w))
		1455	return;
		1456
		1457	checks [((W)w)->active - 1] = checks [--checkcnt];
		1458	ev_stop (EV_A_ (W)w);
		1459	}
		1460
		1461	#ifndef SA_RESTART
		1462	# define SA_RESTART 0
		1463	#endif
		1464
		1465	void
		1466	ev_signal_start (EV_P_ struct ev_signal *w)
		1467	{
		1468	#if EV_MULTIPLICITY
		1469	assert (("signal watchers are only supported in the default loop", loop == default_loop));
		1470	#endif
		1471	if (ev_is_active (w))
		1472	return;
		1473
1018	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1474	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1019		1475
1020	ev_start ((W)w, 1);	1476	ev_start (EV_A_ (W)w, 1);
1021	array_needsize (signals, signalmax, w->signum, signals_init);	1477	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1022	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1478	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1023		1479
1024	if (!w->next)	1480	if (!((WL)w)->next)
1025	{	1481	{
		1482	#if WIN32
		1483	signal (w->signum, sighandler);
		1484	#else
1026	struct sigaction sa;	1485	struct sigaction sa;
1027	sa.sa_handler = sighandler;	1486	sa.sa_handler = sighandler;
1028	sigfillset (&sa.sa_mask);	1487	sigfillset (&sa.sa_mask);
1029	sa.sa_flags = 0;	1488	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1030	sigaction (w->signum, &sa, 0);	1489	sigaction (w->signum, &sa, 0);
		1490	#endif
1031	}	1491	}
1032	}	1492	}
1033		1493
1034	void	1494	void
1035	ev_signal_stop (struct ev_signal *w)	1495	ev_signal_stop (EV_P_ struct ev_signal *w)
1036	{	1496	{
1037	ev_clear_pending ((W)w);	1497	ev_clear_pending (EV_A_ (W)w);
1038	if (!ev_is_active (w))	1498	if (!ev_is_active (w))
1039	return;	1499	return;
1040		1500
1041	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1501	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1042	ev_stop ((W)w);	1502	ev_stop (EV_A_ (W)w);
1043		1503
1044	if (!signals [w->signum - 1].head)	1504	if (!signals [w->signum - 1].head)
1045	signal (w->signum, SIG_DFL);	1505	signal (w->signum, SIG_DFL);
1046	}	1506	}
1047		1507
1048	void	1508	void
1049	ev_idle_start (struct ev_idle *w)	1509	ev_child_start (EV_P_ struct ev_child *w)
1050	{	1510	{
		1511	#if EV_MULTIPLICITY
		1512	assert (("child watchers are only supported in the default loop", loop == default_loop));
		1513	#endif
1051	if (ev_is_active (w))	1514	if (ev_is_active (w))
1052	return;	1515	return;
1053		1516
1054	ev_start ((W)w, ++idlecnt);	1517	ev_start (EV_A_ (W)w, 1);
1055	array_needsize (idles, idlemax, idlecnt, );	1518	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1056	idles [idlecnt - 1] = w;
1057	}	1519	}
1058		1520
1059	void	1521	void
1060	ev_idle_stop (struct ev_idle *w)	1522	ev_child_stop (EV_P_ struct ev_child *w)
1061	{	1523	{
1062	ev_clear_pending ((W)w);	1524	ev_clear_pending (EV_A_ (W)w);
1063	if (ev_is_active (w))	1525	if (ev_is_active (w))
1064	return;	1526	return;
1065		1527
1066	idles [w->active - 1] = idles [--idlecnt];
1067	ev_stop ((W)w);
1068	}
1069
1070	void
1071	ev_prepare_start (struct ev_prepare *w)
1072	{
1073	if (ev_is_active (w))
1074	return;
1075
1076	ev_start ((W)w, ++preparecnt);
1077	array_needsize (prepares, preparemax, preparecnt, );
1078	prepares [preparecnt - 1] = w;
1079	}
1080
1081	void
1082	ev_prepare_stop (struct ev_prepare *w)
1083	{
1084	ev_clear_pending ((W)w);
1085	if (ev_is_active (w))
1086	return;
1087
1088	prepares [w->active - 1] = prepares [--preparecnt];
1089	ev_stop ((W)w);
1090	}
1091
1092	void
1093	ev_check_start (struct ev_check *w)
1094	{
1095	if (ev_is_active (w))
1096	return;
1097
1098	ev_start ((W)w, ++checkcnt);
1099	array_needsize (checks, checkmax, checkcnt, );
1100	checks [checkcnt - 1] = w;
1101	}
1102
1103	void
1104	ev_check_stop (struct ev_check *w)
1105	{
1106	ev_clear_pending ((W)w);
1107	if (ev_is_active (w))
1108	return;
1109
1110	checks [w->active - 1] = checks [--checkcnt];
1111	ev_stop ((W)w);
1112	}
1113
1114	void
1115	ev_child_start (struct ev_child *w)
1116	{
1117	if (ev_is_active (w))
1118	return;
1119
1120	ev_start ((W)w, 1);
1121	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1122	}
1123
1124	void
1125	ev_child_stop (struct ev_child *w)
1126	{
1127	ev_clear_pending ((W)w);
1128	if (ev_is_active (w))
1129	return;
1130
1131	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1528	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1132	ev_stop ((W)w);	1529	ev_stop (EV_A_ (W)w);
1133	}	1530	}
1134		1531
1135	/*****************************************************************************/	1532	/*****************************************************************************/
1136		1533
1137	struct ev_once	1534	struct ev_once
…		…
1141	void (cb)(int revents, void arg);	1538	void (cb)(int revents, void arg);
1142	void *arg;	1539	void *arg;
1143	};	1540	};
1144		1541
1145	static void	1542	static void
1146	once_cb (struct ev_once *once, int revents)	1543	once_cb (EV_P_ struct ev_once *once, int revents)
1147	{	1544	{
1148	void (cb)(int revents, void arg) = once->cb;	1545	void (cb)(int revents, void arg) = once->cb;
1149	void *arg = once->arg;	1546	void *arg = once->arg;
1150		1547
1151	ev_io_stop (&once->io);	1548	ev_io_stop (EV_A_ &once->io);
1152	ev_timer_stop (&once->to);	1549	ev_timer_stop (EV_A_ &once->to);
1153	free (once);	1550	ev_free (once);
1154		1551
1155	cb (revents, arg);	1552	cb (revents, arg);
1156	}	1553	}
1157		1554
1158	static void	1555	static void
1159	once_cb_io (struct ev_io *w, int revents)	1556	once_cb_io (EV_P_ struct ev_io *w, int revents)
1160	{	1557	{
1161	once_cb ((struct ev_once )(((char )w) - offsetof (struct ev_once, io)), revents);	1558	once_cb (EV_A_ (struct ev_once )(((char )w) - offsetof (struct ev_once, io)), revents);
1162	}	1559	}
1163		1560
1164	static void	1561	static void
1165	once_cb_to (struct ev_timer *w, int revents)	1562	once_cb_to (EV_P_ struct ev_timer *w, int revents)
1166	{	1563	{
1167	once_cb ((struct ev_once )(((char )w) - offsetof (struct ev_once, to)), revents);	1564	once_cb (EV_A_ (struct ev_once )(((char )w) - offsetof (struct ev_once, to)), revents);
1168	}	1565	}
1169		1566
1170	void	1567	void
1171	ev_once (int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1568	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1172	{	1569	{
1173	struct ev_once *once = malloc (sizeof (struct ev_once));	1570	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1174		1571
1175	if (!once)	1572	if (!once)
1176	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1573	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1177	else	1574	else
1178	{	1575	{
1179	once->cb = cb;	1576	once->cb = cb;
1180	once->arg = arg;	1577	once->arg = arg;
1181		1578
1182	ev_watcher_init (&once->io, once_cb_io);	1579	ev_init (&once->io, once_cb_io);
1183	if (fd >= 0)	1580	if (fd >= 0)
1184	{	1581	{
1185	ev_io_set (&once->io, fd, events);	1582	ev_io_set (&once->io, fd, events);
1186	ev_io_start (&once->io);	1583	ev_io_start (EV_A_ &once->io);
1187	}	1584	}
1188		1585
1189	ev_watcher_init (&once->to, once_cb_to);	1586	ev_init (&once->to, once_cb_to);
1190	if (timeout >= 0.)	1587	if (timeout >= 0.)
1191	{	1588	{
1192	ev_timer_set (&once->to, timeout, 0.);	1589	ev_timer_set (&once->to, timeout, 0.);
1193	ev_timer_start (&once->to);	1590	ev_timer_start (EV_A_ &once->to);
1194	}	1591	}
1195	}	1592	}
1196	}	1593	}
1197		1594
1198	/*****************************************************************************/
1199
1200	#if 0
1201
1202	struct ev_io wio;
1203
1204	static void
1205	sin_cb (struct ev_io *w, int revents)
1206	{
1207	fprintf (stderr, "sin %d, revents %d\n", w->fd, revents);
1208	}
1209
1210	static void
1211	ocb (struct ev_timer *w, int revents)
1212	{
1213	//fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data);
1214	ev_timer_stop (w);
1215	ev_timer_start (w);
1216	}
1217
1218	static void
1219	scb (struct ev_signal *w, int revents)
1220	{
1221	fprintf (stderr, "signal %x,%d\n", revents, w->signum);
1222	ev_io_stop (&wio);
1223	ev_io_start (&wio);
1224	}
1225
1226	static void
1227	gcb (struct ev_signal *w, int revents)
1228	{
1229	fprintf (stderr, "generic %x\n", revents);
1230
1231	}
1232
1233	int main (void)
1234	{
1235	ev_init (0);
1236
1237	ev_io_init (&wio, sin_cb, 0, EV_READ);
1238	ev_io_start (&wio);
1239
1240	struct ev_timer t[10000];
1241
1242	#if 0
1243	int i;
1244	for (i = 0; i < 10000; ++i)
1245	{
1246	struct ev_timer *w = t + i;
1247	ev_watcher_init (w, ocb, i);
1248	ev_timer_init_abs (w, ocb, drand48 (), 0.99775533);
1249	ev_timer_start (w);
1250	if (drand48 () < 0.5)
1251	ev_timer_stop (w);
1252	}
1253	#endif
1254
1255	struct ev_timer t1;
1256	ev_timer_init (&t1, ocb, 5, 10);
1257	ev_timer_start (&t1);
1258
1259	struct ev_signal sig;
1260	ev_signal_init (&sig, scb, SIGQUIT);
1261	ev_signal_start (&sig);
1262
1263	struct ev_check cw;
1264	ev_check_init (&cw, gcb);
1265	ev_check_start (&cw);
1266
1267	struct ev_idle iw;
1268	ev_idle_init (&iw, gcb);
1269	ev_idle_start (&iw);
1270
1271	ev_loop (0);
1272
1273	return 0;
1274	}
1275
1276	#endif
1277
1278
1279
1280

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Comparing libev/ev.c (file contents): Revision 1.45 by root, Sat Nov 3 09:19:58 2007 UTC vs. Revision 1.84 by root, Fri Nov 9 23:04:35 2007 UTC

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Comparing libev/ev.c (file contents):
Revision 1.45 by root, Sat Nov 3 09:19:58 2007 UTC vs.
Revision 1.84 by root, Fri Nov 9 23:04:35 2007 UTC