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

Comparing libev/ev.c (file contents):
Revision 1.44 by root, Fri Nov 2 20:59:14 2007 UTC vs.
Revision 1.84 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>
47	#include <sys/wait.h>
48	#include <sys/time.h>
49	#include <time.h>	67	#include <time.h>
50		68
		69	#include <signal.h>
		70
		71	#ifndef WIN32
		72	# include <unistd.h>
		73	# include <sys/time.h>
		74	# include <sys/wait.h>
		75	#endif
51	/**/	76	/**/
52		77
53	#ifndef EV_USE_MONOTONIC	78	#ifndef EV_USE_MONOTONIC
54	# define EV_USE_MONOTONIC 1	79	# define EV_USE_MONOTONIC 1
55	#endif	80	#endif
…		…
66	# define EV_USE_EPOLL 0	91	# define EV_USE_EPOLL 0
67	#endif	92	#endif
68		93
69	#ifndef EV_USE_KQUEUE	94	#ifndef EV_USE_KQUEUE
70	# define EV_USE_KQUEUE 0	95	# define EV_USE_KQUEUE 0
		96	#endif
		97
		98	#ifndef EV_USE_WIN32
		99	# ifdef WIN32
		100	# define EV_USE_WIN32 0 /* it does not exist, use select */
		101	# undef EV_USE_SELECT
		102	# define EV_USE_SELECT 1
		103	# else
		104	# define EV_USE_WIN32 0
		105	# endif
71	#endif	106	#endif
72		107
73	#ifndef EV_USE_REALTIME	108	#ifndef EV_USE_REALTIME
74	# define EV_USE_REALTIME 1	109	# define EV_USE_REALTIME 1
75	#endif	110	#endif
…		…
91	#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) */
92	#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) */
93	#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 */
94	/#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 */
95		130
		131	#ifdef EV_H
		132	# include EV_H
		133	#else
96	#include "ev.h"	134	# include "ev.h"
		135	#endif
97		136
98	#if __GNUC__ >= 3	137	#if __GNUC__ >= 3
99	# define expect(expr,value) __builtin_expect ((expr),(value))	138	# define expect(expr,value) __builtin_expect ((expr),(value))
100	# define inline inline	139	# define inline inline
101	#else	140	#else
…		…
111		150
112	typedef struct ev_watcher *W;	151	typedef struct ev_watcher *W;
113	typedef struct ev_watcher_list *WL;	152	typedef struct ev_watcher_list *WL;
114	typedef struct ev_watcher_time *WT;	153	typedef struct ev_watcher_time *WT;
115		154
116	static ev_tstamp now_floor, now, diff; /* monotonic clock */	155	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
117	ev_tstamp ev_now;
118	int ev_method;
119		156
120	static int have_monotonic; /* runtime */	157	#include "ev_win32.c"
121
122	static ev_tstamp method_fudge; /* stupid epoll-returns-early bug */
123	static void (*method_modify)(int fd, int oev, int nev);
124	static void (*method_poll)(ev_tstamp timeout);
125		158
126	/*****************************************************************************/	159	/*****************************************************************************/
127		160
128	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
129	ev_time (void)	248	ev_time (void)
130	{	249	{
131	#if EV_USE_REALTIME	250	#if EV_USE_REALTIME
132	struct timespec ts;	251	struct timespec ts;
133	clock_gettime (CLOCK_REALTIME, &ts);	252	clock_gettime (CLOCK_REALTIME, &ts);
…		…
137	gettimeofday (&tv, 0);	256	gettimeofday (&tv, 0);
138	return tv.tv_sec + tv.tv_usec * 1e-6;	257	return tv.tv_sec + tv.tv_usec * 1e-6;
139	#endif	258	#endif
140	}	259	}
141		260
142	static ev_tstamp	261	inline ev_tstamp
143	get_clock (void)	262	get_clock (void)
144	{	263	{
145	#if EV_USE_MONOTONIC	264	#if EV_USE_MONOTONIC
146	if (expect_true (have_monotonic))	265	if (expect_true (have_monotonic))
147	{	266	{
…		…
152	#endif	271	#endif
153		272
154	return ev_time ();	273	return ev_time ();
155	}	274	}
156		275
		276	ev_tstamp
		277	ev_now (EV_P)
		278	{
		279	return rt_now;
		280	}
		281
157	#define array_roundsize(base,n) ((n) \| 4 & ~3)	282	#define array_roundsize(type,n) ((n) \| 4 & ~3)
158		283
159	#define array_needsize(base,cur,cnt,init) \	284	#define array_needsize(type,base,cur,cnt,init) \
160	if (expect_false ((cnt) > cur)) \	285	if (expect_false ((cnt) > cur)) \
161	{ \	286	{ \
162	int newcnt = cur; \	287	int newcnt = cur; \
163	do \	288	do \
164	{ \	289	{ \
165	newcnt = array_roundsize (base, newcnt << 1); \	290	newcnt = array_roundsize (type, newcnt << 1); \
166	} \	291	} \
167	while ((cnt) > newcnt); \	292	while ((cnt) > newcnt); \
168	\	293	\
169	base = realloc (base, sizeof (base) (newcnt)); \	294	base = (type )ev_realloc (base, sizeof (type) (newcnt));\
170	init (base + cur, newcnt - cur); \	295	init (base + cur, newcnt - cur); \
171	cur = newcnt; \	296	cur = newcnt; \
172	}	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;
173		314
174	/*****************************************************************************/	315	/*****************************************************************************/
175
176	typedef struct
177	{
178	struct ev_io *head;
179	unsigned char events;
180	unsigned char reify;
181	} ANFD;
182
183	static ANFD *anfds;
184	static int anfdmax;
185		316
186	static void	317	static void
187	anfds_init (ANFD *base, int count)	318	anfds_init (ANFD *base, int count)
188	{	319	{
189	while (count--)	320	while (count--)
…		…
194		325
195	++base;	326	++base;
196	}	327	}
197	}	328	}
198		329
199	typedef struct	330	void
		331	ev_feed_event (EV_P_ void *w, int revents)
200	{	332	{
201	W w;	333	W w_ = (W)w;
202	int events;
203	} ANPENDING;
204		334
205	static ANPENDING *pendings [NUMPRI];
206	static int pendingmax [NUMPRI], pendingcnt [NUMPRI];
207
208	static void
209	event (W w, int events)
210	{
211	if (w->pending)	335	if (w_->pending)
212	{	336	{
213	pendings [ABSPRI (w)][w->pending - 1].events \|= events;	337	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
214	return;	338	return;
215	}	339	}
216		340
217	w->pending = ++pendingcnt [ABSPRI (w)];	341	w_->pending = ++pendingcnt [ABSPRI (w_)];
218	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));
219	pendings [ABSPRI (w)][w->pending - 1].w = w;	343	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
220	pendings [ABSPRI (w)][w->pending - 1].events = events;	344	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
221	}	345	}
222		346
223	static void	347	static void
224	queue_events (W *events, int eventcnt, int type)	348	queue_events (EV_P_ W *events, int eventcnt, int type)
225	{	349	{
226	int i;	350	int i;
227		351
228	for (i = 0; i < eventcnt; ++i)	352	for (i = 0; i < eventcnt; ++i)
229	event (events [i], type);	353	ev_feed_event (EV_A_ events [i], type);
230	}	354	}
231		355
232	static void	356	inline void
233	fd_event (int fd, int events)	357	fd_event (EV_P_ int fd, int revents)
234	{	358	{
235	ANFD *anfd = anfds + fd;	359	ANFD *anfd = anfds + fd;
236	struct ev_io *w;	360	struct ev_io *w;
237		361
238	for (w = anfd->head; w; w = w->next)	362	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
239	{	363	{
240	int ev = w->events & events;	364	int ev = w->events & revents;
241		365
242	if (ev)	366	if (ev)
243	event ((W)w, ev);	367	ev_feed_event (EV_A_ (W)w, ev);
244	}	368	}
		369	}
		370
		371	void
		372	ev_feed_fd_event (EV_P_ int fd, int revents)
		373	{
		374	fd_event (EV_A_ fd, revents);
245	}	375	}
246		376
247	/*****************************************************************************/	377	/*****************************************************************************/
248		378
249	static int *fdchanges;
250	static int fdchangemax, fdchangecnt;
251
252	static void	379	static void
253	fd_reify (void)	380	fd_reify (EV_P)
254	{	381	{
255	int i;	382	int i;
256		383
257	for (i = 0; i < fdchangecnt; ++i)	384	for (i = 0; i < fdchangecnt; ++i)
258	{	385	{
…		…
260	ANFD *anfd = anfds + fd;	387	ANFD *anfd = anfds + fd;
261	struct ev_io *w;	388	struct ev_io *w;
262		389
263	int events = 0;	390	int events = 0;
264		391
265	for (w = anfd->head; w; w = w->next)	392	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
266	events \|= w->events;	393	events \|= w->events;
267		394
268	anfd->reify = 0;	395	anfd->reify = 0;
269		396
270	if (anfd->events != events)
271	{
272	method_modify (fd, anfd->events, events);	397	method_modify (EV_A_ fd, anfd->events, events);
273	anfd->events = events;	398	anfd->events = events;
274	}
275	}	399	}
276		400
277	fdchangecnt = 0;	401	fdchangecnt = 0;
278	}	402	}
279		403
280	static void	404	static void
281	fd_change (int fd)	405	fd_change (EV_P_ int fd)
282	{	406	{
283	if (anfds [fd].reify \|\| fdchangecnt < 0)	407	if (anfds [fd].reify)
284	return;	408	return;
285		409
286	anfds [fd].reify = 1;	410	anfds [fd].reify = 1;
287		411
288	++fdchangecnt;	412	++fdchangecnt;
289	array_needsize (fdchanges, fdchangemax, fdchangecnt, );	413	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void));
290	fdchanges [fdchangecnt - 1] = fd;	414	fdchanges [fdchangecnt - 1] = fd;
291	}	415	}
292		416
293	static void	417	static void
294	fd_kill (int fd)	418	fd_kill (EV_P_ int fd)
295	{	419	{
296	struct ev_io *w;	420	struct ev_io *w;
297		421
298	printf ("killing fd %d\n", fd);//D
299	while ((w = anfds [fd].head))	422	while ((w = (struct ev_io *)anfds [fd].head))
300	{	423	{
301	ev_io_stop (w);	424	ev_io_stop (EV_A_ w);
302	event ((W)w, EV_ERROR \| EV_READ \| EV_WRITE);	425	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
303	}	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
304	}	437	}
305		438
306	/* called on EBADF to verify fds */	439	/* called on EBADF to verify fds */
307	static void	440	static void
308	fd_ebadf (void)	441	fd_ebadf (EV_P)
309	{	442	{
310	int fd;	443	int fd;
311		444
312	for (fd = 0; fd < anfdmax; ++fd)	445	for (fd = 0; fd < anfdmax; ++fd)
313	if (anfds [fd].events)	446	if (anfds [fd].events)
314	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)	447	if (!fd_valid (fd) == -1 && errno == EBADF)
315	fd_kill (fd);	448	fd_kill (EV_A_ fd);
316	}	449	}
317		450
318	/* 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 */
319	static void	452	static void
320	fd_enomem (void)	453	fd_enomem (EV_P)
321	{	454	{
322	int fd = anfdmax;	455	int fd;
323		456
324	while (fd--)	457	for (fd = anfdmax; fd--; )
325	if (anfds [fd].events)	458	if (anfds [fd].events)
326	{	459	{
327	close (fd);
328	fd_kill (fd);	460	fd_kill (EV_A_ fd);
329	return;	461	return;
330	}	462	}
331	}	463	}
332		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
333	/*****************************************************************************/	480	/*****************************************************************************/
334		481
335	static struct ev_timer **timers;
336	static int timermax, timercnt;
337
338	static struct ev_periodic **periodics;
339	static int periodicmax, periodiccnt;
340
341	static void	482	static void
342	upheap (WT *timers, int k)	483	upheap (WT *heap, int k)
343	{	484	{
344	WT w = timers [k];	485	WT w = heap [k];
345		486
346	while (k && timers [k >> 1]->at > w->at)	487	while (k && heap [k >> 1]->at > w->at)
347	{	488	{
348	timers [k] = timers [k >> 1];	489	heap [k] = heap [k >> 1];
349	timers [k]->active = k + 1;	490	((W)heap [k])->active = k + 1;
350	k >>= 1;	491	k >>= 1;
351	}	492	}
352		493
353	timers [k] = w;	494	heap [k] = w;
354	timers [k]->active = k + 1;	495	((W)heap [k])->active = k + 1;
355		496
356	}	497	}
357		498
358	static void	499	static void
359	downheap (WT *timers, int N, int k)	500	downheap (WT *heap, int N, int k)
360	{	501	{
361	WT w = timers [k];	502	WT w = heap [k];
362		503
363	while (k < (N >> 1))	504	while (k < (N >> 1))
364	{	505	{
365	int j = k << 1;	506	int j = k << 1;
366		507
367	if (j + 1 < N && timers [j]->at > timers [j + 1]->at)	508	if (j + 1 < N && heap [j]->at > heap [j + 1]->at)
368	++j;	509	++j;
369		510
370	if (w->at <= timers [j]->at)	511	if (w->at <= heap [j]->at)
371	break;	512	break;
372		513
373	timers [k] = timers [j];	514	heap [k] = heap [j];
374	timers [k]->active = k + 1;	515	((W)heap [k])->active = k + 1;
375	k = j;	516	k = j;
376	}	517	}
377		518
378	timers [k] = w;	519	heap [k] = w;
379	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);
380	}	533	}
381		534
382	/*****************************************************************************/	535	/*****************************************************************************/
383		536
384	typedef struct	537	typedef struct
385	{	538	{
386	struct ev_signal *head;	539	WL head;
387	sig_atomic_t volatile gotsig;	540	sig_atomic_t volatile gotsig;
388	} ANSIG;	541	} ANSIG;
389		542
390	static ANSIG *signals;	543	static ANSIG *signals;
391	static int signalmax;	544	static int signalmax;
…		…
407	}	560	}
408		561
409	static void	562	static void
410	sighandler (int signum)	563	sighandler (int signum)
411	{	564	{
		565	#if WIN32
		566	signal (signum, sighandler);
		567	#endif
		568
412	signals [signum - 1].gotsig = 1;	569	signals [signum - 1].gotsig = 1;
413		570
414	if (!gotsig)	571	if (!gotsig)
415	{	572	{
		573	int old_errno = errno;
416	gotsig = 1;	574	gotsig = 1;
		575	#ifdef WIN32
		576	send (sigpipe [1], &signum, 1, MSG_DONTWAIT);
		577	#else
417	write (sigpipe [1], &signum, 1);	578	write (sigpipe [1], &signum, 1);
		579	#endif
		580	errno = old_errno;
418	}	581	}
419	}	582	}
420		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
421	static void	604	static void
422	sigcb (struct ev_io *iow, int revents)	605	sigcb (EV_P_ struct ev_io *iow, int revents)
423	{	606	{
424	struct ev_signal *w;
425	int signum;	607	int signum;
426		608
		609	#ifdef WIN32
		610	recv (sigpipe [0], &revents, 1, MSG_DONTWAIT);
		611	#else
427	read (sigpipe [0], &revents, 1);	612	read (sigpipe [0], &revents, 1);
		613	#endif
428	gotsig = 0;	614	gotsig = 0;
429		615
430	for (signum = signalmax; signum--; )	616	for (signum = signalmax; signum--; )
431	if (signals [signum].gotsig)	617	if (signals [signum].gotsig)
432	{	618	ev_feed_signal_event (EV_A_ signum + 1);
433	signals [signum].gotsig = 0;
434
435	for (w = signals [signum].head; w; w = w->next)
436	event ((W)w, EV_SIGNAL);
437	}
438	}	619	}
439		620
440	static void	621	static void
441	siginit (void)	622	siginit (EV_P)
442	{	623	{
		624	#ifndef WIN32
443	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	625	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);
444	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);	626	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
445		627
446	/* rather than sort out wether we really need nb, set it */	628	/* rather than sort out wether we really need nb, set it */
447	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);	629	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
448	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);	630	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
		631	#endif
449		632
450	ev_io_set (&sigev, sigpipe [0], EV_READ);	633	ev_io_set (&sigev, sigpipe [0], EV_READ);
451	ev_io_start (&sigev);	634	ev_io_start (EV_A_ &sigev);
		635	ev_unref (EV_A); /* child watcher should not keep loop alive */
452	}	636	}
453		637
454	/*****************************************************************************/	638	/*****************************************************************************/
455		639
456	static struct ev_idle **idles;
457	static int idlemax, idlecnt;
458
459	static struct ev_prepare **prepares;
460	static int preparemax, preparecnt;
461
462	static struct ev_check **checks;
463	static int checkmax, checkcnt;
464
465	/*****************************************************************************/
466
467	static struct ev_child *childs [PID_HASHSIZE];	640	static struct ev_child *childs [PID_HASHSIZE];
		641
		642	#ifndef WIN32
		643
468	static struct ev_signal childev;	644	static struct ev_signal childev;
469		645
470	#ifndef WCONTINUED	646	#ifndef WCONTINUED
471	# define WCONTINUED 0	647	# define WCONTINUED 0
472	#endif	648	#endif
473		649
474	static void	650	static void
475	childcb (struct ev_signal *sw, int revents)	651	child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status)
476	{	652	{
477	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	{
478	int pid, status;	668	int pid, status;
479		669
480	while ((pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)) != -1)	670	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
481	for (w = childs [pid & (PID_HASHSIZE - 1)]; w; w = w->next)	671	{
482	if (w->pid == pid \|\| !w->pid)	672	/* make sure we are called again until all childs have been reaped */
483	{	673	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
484	w->status = status;	674
485	event ((W)w, EV_CHILD);	675	child_reap (EV_A_ sw, pid, pid, status);
486	}	676	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
		677	}
487	}	678	}
		679
		680	#endif
488		681
489	/*****************************************************************************/	682	/*****************************************************************************/
490		683
491	#if EV_USE_KQUEUE	684	#if EV_USE_KQUEUE
492	# include "ev_kqueue.c"	685	# include "ev_kqueue.c"
…		…
511	ev_version_minor (void)	704	ev_version_minor (void)
512	{	705	{
513	return EV_VERSION_MINOR;	706	return EV_VERSION_MINOR;
514	}	707	}
515		708
516	/* 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 */
517	static int	710	static int
518	enable_secure ()	711	enable_secure (void)
519	{	712	{
		713	#ifdef WIN32
		714	return 0;
		715	#else
520	return getuid () != geteuid ()	716	return getuid () != geteuid ()
521	\|\| getgid () != getegid ();	717	\|\| getgid () != getegid ();
		718	#endif
522	}	719	}
523		720
524	int ev_init (int methods)	721	int
		722	ev_method (EV_P)
525	{	723	{
		724	return method;
		725	}
		726
		727	static void
		728	loop_init (EV_P_ int methods)
		729	{
526	if (!ev_method)	730	if (!method)
527	{	731	{
528	#if EV_USE_MONOTONIC	732	#if EV_USE_MONOTONIC
529	{	733	{
530	struct timespec ts;	734	struct timespec ts;
531	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	735	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
532	have_monotonic = 1;	736	have_monotonic = 1;
533	}	737	}
534	#endif	738	#endif
535		739
536	ev_now = ev_time ();	740	rt_now = ev_time ();
537	now = get_clock ();	741	mn_now = get_clock ();
538	now_floor = now;	742	now_floor = mn_now;
539	diff = ev_now - now;	743	rtmn_diff = rt_now - mn_now;
540
541	if (pipe (sigpipe))
542	return 0;
543		744
544	if (methods == EVMETHOD_AUTO)	745	if (methods == EVMETHOD_AUTO)
545	if (!enable_secure () && getenv ("LIBEV_METHODS"))	746	if (!enable_secure () && getenv ("LIBEV_METHODS"))
546	methods = atoi (getenv ("LIBEV_METHODS"));	747	methods = atoi (getenv ("LIBEV_METHODS"));
547	else	748	else
548	methods = EVMETHOD_ANY;	749	methods = EVMETHOD_ANY;
549		750
550	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
551	#if EV_USE_KQUEUE	755	#if EV_USE_KQUEUE
552	if (!ev_method && (methods & EVMETHOD_KQUEUE)) kqueue_init (methods);	756	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);
553	#endif	757	#endif
554	#if EV_USE_EPOLL	758	#if EV_USE_EPOLL
555	if (!ev_method && (methods & EVMETHOD_EPOLL )) epoll_init (methods);	759	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);
556	#endif	760	#endif
557	#if EV_USE_POLL	761	#if EV_USE_POLL
558	if (!ev_method && (methods & EVMETHOD_POLL )) poll_init (methods);	762	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);
559	#endif	763	#endif
560	#if EV_USE_SELECT	764	#if EV_USE_SELECT
561	if (!ev_method && (methods & EVMETHOD_SELECT)) select_init (methods);	765	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);
562	#endif	766	#endif
563		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
564	if (ev_method)	888	if (ev_method (EV_A))
565	{	889	{
566	ev_watcher_init (&sigev, sigcb);
567	siginit ();	890	siginit (EV_A);
568		891
		892	#ifndef WIN32
569	ev_signal_init (&childev, childcb, SIGCHLD);	893	ev_signal_init (&childev, childcb, SIGCHLD);
		894	ev_set_priority (&childev, EV_MAXPRI);
570	ev_signal_start (&childev);	895	ev_signal_start (EV_A_ &childev);
		896	ev_unref (EV_A); /* child watcher should not keep loop alive */
		897	#endif
571	}	898	}
		899	else
		900	default_loop = 0;
572	}	901	}
573		902
574	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;
575	}	936	}
576		937
577	/*****************************************************************************/	938	/*****************************************************************************/
578		939
579	void
580	ev_fork_prepare (void)
581	{
582	/* nop */
583	}
584
585	void
586	ev_fork_parent (void)
587	{
588	/* nop */
589	}
590
591	void
592	ev_fork_child (void)
593	{
594	#if EV_USE_EPOLL
595	if (ev_method == EVMETHOD_EPOLL)
596	epoll_postfork_child ();
597	#endif
598
599	ev_io_stop (&sigev);
600	close (sigpipe [0]);
601	close (sigpipe [1]);
602	pipe (sigpipe);
603	siginit ();
604	}
605
606	/*****************************************************************************/
607
608	static void	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
609	call_pending (void)	953	call_pending (EV_P)
610	{	954	{
611	int pri;	955	int pri;
612		956
613	for (pri = NUMPRI; pri--; )	957	for (pri = NUMPRI; pri--; )
614	while (pendingcnt [pri])	958	while (pendingcnt [pri])
…		…
616	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	960	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
617		961
618	if (p->w)	962	if (p->w)
619	{	963	{
620	p->w->pending = 0;	964	p->w->pending = 0;
621	p->w->cb (p->w, p->events);	965	EV_CB_INVOKE (p->w, p->events);
622	}	966	}
623	}	967	}
624	}	968	}
625		969
626	static void	970	static void
627	timers_reify (void)	971	timers_reify (EV_P)
628	{	972	{
629	while (timercnt && timers [0]->at <= now)	973	while (timercnt && ((WT)timers [0])->at <= mn_now)
630	{	974	{
631	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)));
632		978
633	/* first reschedule or stop timer */	979	/* first reschedule or stop timer */
634	if (w->repeat)	980	if (w->repeat)
635	{	981	{
636	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.));
637	w->at = now + w->repeat;	983	((WT)w)->at = mn_now + w->repeat;
638	downheap ((WT *)timers, timercnt, 0);	984	downheap ((WT *)timers, timercnt, 0);
639	}	985	}
640	else	986	else
641	ev_timer_stop (w); /* nonrepeating: stop timer */	987	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
642		988
643	event ((W)w, EV_TIMEOUT);	989	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
644	}	990	}
645	}	991	}
646		992
647	static void	993	static void
648	periodics_reify (void)	994	periodics_reify (EV_P)
649	{	995	{
650	while (periodiccnt && periodics [0]->at <= ev_now)	996	while (periodiccnt && ((WT)periodics [0])->at <= rt_now)
651	{	997	{
652	struct ev_periodic *w = periodics [0];	998	struct ev_periodic *w = periodics [0];
653		999
		1000	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
		1001
654	/* first reschedule or stop timer */	1002	/* first reschedule or stop timer */
655	if (w->interval)	1003	if (w->reschedule_cb)
656	{	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	{
657	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;
658	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));
659	downheap ((WT *)periodics, periodiccnt, 0);	1014	downheap ((WT *)periodics, periodiccnt, 0);
660	}	1015	}
661	else	1016	else
662	ev_periodic_stop (w); /* nonrepeating: stop timer */	1017	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
663		1018
664	event ((W)w, EV_PERIODIC);	1019	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
665	}	1020	}
666	}	1021	}
667		1022
668	static void	1023	static void
669	periodics_reschedule (ev_tstamp diff)	1024	periodics_reschedule (EV_P)
670	{	1025	{
671	int i;	1026	int i;
672		1027
673	/* adjust periodics after time jump */	1028	/* adjust periodics after time jump */
674	for (i = 0; i < periodiccnt; ++i)	1029	for (i = 0; i < periodiccnt; ++i)
675	{	1030	{
676	struct ev_periodic *w = periodics [i];	1031	struct ev_periodic *w = periodics [i];
677		1032
		1033	if (w->reschedule_cb)
		1034	((WT)w)->at = w->reschedule_cb (w, rt_now);
678	if (w->interval)	1035	else if (w->interval)
679	{
680	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;
681
682	if (fabs (diff) >= 1e-4)
683	{
684	ev_periodic_stop (w);
685	ev_periodic_start (w);
686
687	i = 0; /* restart loop, inefficient, but time jumps should be rare */
688	}
689	}
690	}	1037	}
691	}
692		1038
693	static int	1039	/* now rebuild the heap */
		1040	for (i = periodiccnt >> 1; i--; )
		1041	downheap ((WT *)periodics, periodiccnt, i);
		1042	}
		1043
		1044	inline int
694	time_update_monotonic (void)	1045	time_update_monotonic (EV_P)
695	{	1046	{
696	now = get_clock ();	1047	mn_now = get_clock ();
697		1048
698	if (expect_true (now - now_floor < MIN_TIMEJUMP * .5))	1049	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
699	{	1050	{
700	ev_now = now + diff;	1051	rt_now = rtmn_diff + mn_now;
701	return 0;	1052	return 0;
702	}	1053	}
703	else	1054	else
704	{	1055	{
705	now_floor = now;	1056	now_floor = mn_now;
706	ev_now = ev_time ();	1057	rt_now = ev_time ();
707	return 1;	1058	return 1;
708	}	1059	}
709	}	1060	}
710		1061
711	static void	1062	static void
712	time_update (void)	1063	time_update (EV_P)
713	{	1064	{
714	int i;	1065	int i;
715		1066
716	#if EV_USE_MONOTONIC	1067	#if EV_USE_MONOTONIC
717	if (expect_true (have_monotonic))	1068	if (expect_true (have_monotonic))
718	{	1069	{
719	if (time_update_monotonic ())	1070	if (time_update_monotonic (EV_A))
720	{	1071	{
721	ev_tstamp odiff = diff;	1072	ev_tstamp odiff = rtmn_diff;
722		1073
723	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 */
724	{	1075	{
725	diff = ev_now - now;	1076	rtmn_diff = rt_now - mn_now;
726		1077
727	if (fabs (odiff - diff) < MIN_TIMEJUMP)	1078	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
728	return; /* all is well */	1079	return; /* all is well */
729		1080
730	ev_now = ev_time ();	1081	rt_now = ev_time ();
731	now = get_clock ();	1082	mn_now = get_clock ();
732	now_floor = now;	1083	now_floor = mn_now;
733	}	1084	}
734		1085
735	periodics_reschedule (diff - odiff);	1086	periodics_reschedule (EV_A);
736	/* 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) */
737	}	1089	}
738	}	1090	}
739	else	1091	else
740	#endif	1092	#endif
741	{	1093	{
742	ev_now = ev_time ();	1094	rt_now = ev_time ();
743		1095
744	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))
745	{	1097	{
746	periodics_reschedule (ev_now - now);	1098	periodics_reschedule (EV_A);
747		1099
748	/* 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 */
749	for (i = 0; i < timercnt; ++i)	1101	for (i = 0; i < timercnt; ++i)
750	timers [i]->at += diff;	1102	((WT)timers [i])->at += rt_now - mn_now;
751	}	1103	}
752		1104
753	now = ev_now;	1105	mn_now = rt_now;
754	}	1106	}
755	}	1107	}
756		1108
757	int ev_loop_done;	1109	void
		1110	ev_ref (EV_P)
		1111	{
		1112	++activecnt;
		1113	}
758		1114
		1115	void
		1116	ev_unref (EV_P)
		1117	{
		1118	--activecnt;
		1119	}
		1120
		1121	static int loop_done;
		1122
		1123	void
759	void ev_loop (int flags)	1124	ev_loop (EV_P_ int flags)
760	{	1125	{
761	double block;	1126	double block;
762	ev_loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1127	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
763		1128
764	do	1129	do
765	{	1130	{
766	/* queue check watchers (and execute them) */	1131	/* queue check watchers (and execute them) */
767	if (expect_false (preparecnt))	1132	if (expect_false (preparecnt))
768	{	1133	{
769	queue_events ((W *)prepares, preparecnt, EV_PREPARE);	1134	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
770	call_pending ();	1135	call_pending (EV_A);
771	}	1136	}
772		1137
		1138	/* we might have forked, so reify kernel state if necessary */
		1139	if (expect_false (postfork))
		1140	loop_fork (EV_A);
		1141
773	/* update fd-related kernel structures */	1142	/* update fd-related kernel structures */
774	fd_reify ();	1143	fd_reify (EV_A);
775		1144
776	/* calculate blocking time */	1145	/* calculate blocking time */
777		1146
778	/* 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
779	always have timers, we just calculate it always */	1148	always have timers, we just calculate it always */
780	#if EV_USE_MONOTONIC	1149	#if EV_USE_MONOTONIC
781	if (expect_true (have_monotonic))	1150	if (expect_true (have_monotonic))
782	time_update_monotonic ();	1151	time_update_monotonic (EV_A);
783	else	1152	else
784	#endif	1153	#endif
785	{	1154	{
786	ev_now = ev_time ();	1155	rt_now = ev_time ();
787	now = ev_now;	1156	mn_now = rt_now;
788	}	1157	}
789		1158
790	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1159	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
791	block = 0.;	1160	block = 0.;
792	else	1161	else
793	{	1162	{
794	block = MAX_BLOCKTIME;	1163	block = MAX_BLOCKTIME;
795		1164
796	if (timercnt)	1165	if (timercnt)
797	{	1166	{
798	ev_tstamp to = timers [0]->at - now + method_fudge;	1167	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
799	if (block > to) block = to;	1168	if (block > to) block = to;
800	}	1169	}
801		1170
802	if (periodiccnt)	1171	if (periodiccnt)
803	{	1172	{
804	ev_tstamp to = periodics [0]->at - ev_now + method_fudge;	1173	ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;
805	if (block > to) block = to;	1174	if (block > to) block = to;
806	}	1175	}
807		1176
808	if (block < 0.) block = 0.;	1177	if (block < 0.) block = 0.;
809	}	1178	}
810		1179
811	method_poll (block);	1180	method_poll (EV_A_ block);
812		1181
813	/* update ev_now, do magic */	1182	/* update rt_now, do magic */
814	time_update ();	1183	time_update (EV_A);
815		1184
816	/* queue pending timers and reschedule them */	1185	/* queue pending timers and reschedule them */
817	timers_reify (); /* relative timers called last */	1186	timers_reify (EV_A); /* relative timers called last */
818	periodics_reify (); /* absolute timers called first */	1187	periodics_reify (EV_A); /* absolute timers called first */
819		1188
820	/* queue idle watchers unless io or timers are pending */	1189	/* queue idle watchers unless io or timers are pending */
821	if (!pendingcnt)	1190	if (idlecnt && !any_pending (EV_A))
822	queue_events ((W *)idles, idlecnt, EV_IDLE);	1191	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
823		1192
824	/* queue check watchers, to be executed first */	1193	/* queue check watchers, to be executed first */
825	if (checkcnt)	1194	if (checkcnt)
826	queue_events ((W *)checks, checkcnt, EV_CHECK);	1195	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
827		1196
828	call_pending ();	1197	call_pending (EV_A);
829	}	1198	}
830	while (!ev_loop_done);	1199	while (activecnt && !loop_done);
831		1200
832	if (ev_loop_done != 2)	1201	if (loop_done != 2)
833	ev_loop_done = 0;	1202	loop_done = 0;
		1203	}
		1204
		1205	void
		1206	ev_unloop (EV_P_ int how)
		1207	{
		1208	loop_done = how;
834	}	1209	}
835		1210
836	/*****************************************************************************/	1211	/*****************************************************************************/
837		1212
838	static void	1213	inline void
839	wlist_add (WL *head, WL elem)	1214	wlist_add (WL *head, WL elem)
840	{	1215	{
841	elem->next = *head;	1216	elem->next = *head;
842	*head = elem;	1217	*head = elem;
843	}	1218	}
844		1219
845	static void	1220	inline void
846	wlist_del (WL *head, WL elem)	1221	wlist_del (WL *head, WL elem)
847	{	1222	{
848	while (*head)	1223	while (*head)
849	{	1224	{
850	if (*head == elem)	1225	if (*head == elem)
…		…
855		1230
856	head = &(*head)->next;	1231	head = &(*head)->next;
857	}	1232	}
858	}	1233	}
859		1234
860	static void	1235	inline void
861	ev_clear_pending (W w)	1236	ev_clear_pending (EV_P_ W w)
862	{	1237	{
863	if (w->pending)	1238	if (w->pending)
864	{	1239	{
865	pendings [ABSPRI (w)][w->pending - 1].w = 0;	1240	pendings [ABSPRI (w)][w->pending - 1].w = 0;
866	w->pending = 0;	1241	w->pending = 0;
867	}	1242	}
868	}	1243	}
869		1244
870	static void	1245	inline void
871	ev_start (W w, int active)	1246	ev_start (EV_P_ W w, int active)
872	{	1247	{
873	if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;	1248	if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;
874	if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;	1249	if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
875		1250
876	w->active = active;	1251	w->active = active;
		1252	ev_ref (EV_A);
877	}	1253	}
878		1254
879	static void	1255	inline void
880	ev_stop (W w)	1256	ev_stop (EV_P_ W w)
881	{	1257	{
		1258	ev_unref (EV_A);
882	w->active = 0;	1259	w->active = 0;
883	}	1260	}
884		1261
885	/*****************************************************************************/	1262	/*****************************************************************************/
886		1263
887	void	1264	void
888	ev_io_start (struct ev_io *w)	1265	ev_io_start (EV_P_ struct ev_io *w)
889	{	1266	{
890	int fd = w->fd;	1267	int fd = w->fd;
891		1268
892	if (ev_is_active (w))	1269	if (ev_is_active (w))
893	return;	1270	return;
894		1271
895	assert (("ev_io_start called with negative fd", fd >= 0));	1272	assert (("ev_io_start called with negative fd", fd >= 0));
896		1273
897	ev_start ((W)w, 1);	1274	ev_start (EV_A_ (W)w, 1);
898	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	1275	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
899	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1276	wlist_add ((WL *)&anfds[fd].head, (WL)w);
900		1277
901	fd_change (fd);	1278	fd_change (EV_A_ fd);
902	}	1279	}
903		1280
904	void	1281	void
905	ev_io_stop (struct ev_io *w)	1282	ev_io_stop (EV_P_ struct ev_io *w)
906	{	1283	{
907	ev_clear_pending ((W)w);	1284	ev_clear_pending (EV_A_ (W)w);
908	if (!ev_is_active (w))	1285	if (!ev_is_active (w))
909	return;	1286	return;
910		1287
911	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1288	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
912	ev_stop ((W)w);	1289	ev_stop (EV_A_ (W)w);
913		1290
914	fd_change (w->fd);	1291	fd_change (EV_A_ w->fd);
915	}	1292	}
916		1293
917	void	1294	void
918	ev_timer_start (struct ev_timer *w)	1295	ev_timer_start (EV_P_ struct ev_timer *w)
919	{	1296	{
920	if (ev_is_active (w))	1297	if (ev_is_active (w))
921	return;	1298	return;
922		1299
923	w->at += now;	1300	((WT)w)->at += mn_now;
924		1301
925	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.));
926		1303
927	ev_start ((W)w, ++timercnt);	1304	ev_start (EV_A_ (W)w, ++timercnt);
928	array_needsize (timers, timermax, timercnt, );	1305	array_needsize (struct ev_timer *, timers, timermax, timercnt, (void));
929	timers [timercnt - 1] = w;	1306	timers [timercnt - 1] = w;
930	upheap ((WT *)timers, timercnt - 1);	1307	upheap ((WT *)timers, timercnt - 1);
931	}
932		1308
		1309	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1310	}
		1311
933	void	1312	void
934	ev_timer_stop (struct ev_timer *w)	1313	ev_timer_stop (EV_P_ struct ev_timer *w)
935	{	1314	{
936	ev_clear_pending ((W)w);	1315	ev_clear_pending (EV_A_ (W)w);
937	if (!ev_is_active (w))	1316	if (!ev_is_active (w))
938	return;	1317	return;
939		1318
		1319	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1320
940	if (w->active < timercnt--)	1321	if (((W)w)->active < timercnt--)
941	{	1322	{
942	timers [w->active - 1] = timers [timercnt];	1323	timers [((W)w)->active - 1] = timers [timercnt];
943	downheap ((WT *)timers, timercnt, w->active - 1);	1324	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
944	}	1325	}
945		1326
946	w->at = w->repeat;	1327	((WT)w)->at = w->repeat;
947		1328
948	ev_stop ((W)w);	1329	ev_stop (EV_A_ (W)w);
949	}	1330	}
950		1331
951	void	1332	void
952	ev_timer_again (struct ev_timer *w)	1333	ev_timer_again (EV_P_ struct ev_timer *w)
953	{	1334	{
954	if (ev_is_active (w))	1335	if (ev_is_active (w))
955	{	1336	{
956	if (w->repeat)	1337	if (w->repeat)
957	{
958	w->at = now + w->repeat;
959	downheap ((WT *)timers, timercnt, w->active - 1);	1338	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1, mn_now + w->repeat);
960	}
961	else	1339	else
962	ev_timer_stop (w);	1340	ev_timer_stop (EV_A_ w);
963	}	1341	}
964	else if (w->repeat)	1342	else if (w->repeat)
965	ev_timer_start (w);	1343	ev_timer_start (EV_A_ w);
966	}	1344	}
967		1345
968	void	1346	void
969	ev_periodic_start (struct ev_periodic *w)	1347	ev_periodic_start (EV_P_ struct ev_periodic *w)
970	{	1348	{
971	if (ev_is_active (w))	1349	if (ev_is_active (w))
972	return;	1350	return;
973		1351
		1352	if (w->reschedule_cb)
		1353	((WT)w)->at = w->reschedule_cb (w, rt_now);
		1354	else if (w->interval)
		1355	{
974	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.));
975
976	/* 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 */
977	if (w->interval)
978	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	}
979		1360
980	ev_start ((W)w, ++periodiccnt);	1361	ev_start (EV_A_ (W)w, ++periodiccnt);
981	array_needsize (periodics, periodicmax, periodiccnt, );	1362	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void));
982	periodics [periodiccnt - 1] = w;	1363	periodics [periodiccnt - 1] = w;
983	upheap ((WT *)periodics, periodiccnt - 1);	1364	upheap ((WT *)periodics, periodiccnt - 1);
984	}
985		1365
		1366	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1367	}
		1368
986	void	1369	void
987	ev_periodic_stop (struct ev_periodic *w)	1370	ev_periodic_stop (EV_P_ struct ev_periodic *w)
988	{	1371	{
989	ev_clear_pending ((W)w);	1372	ev_clear_pending (EV_A_ (W)w);
990	if (!ev_is_active (w))	1373	if (!ev_is_active (w))
991	return;	1374	return;
992		1375
		1376	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1377
993	if (w->active < periodiccnt--)	1378	if (((W)w)->active < periodiccnt--)
994	{	1379	{
995	periodics [w->active - 1] = periodics [periodiccnt];	1380	periodics [((W)w)->active - 1] = periodics [periodiccnt];
996	downheap ((WT *)periodics, periodiccnt, w->active - 1);	1381	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
997	}	1382	}
998		1383
999	ev_stop ((W)w);	1384	ev_stop (EV_A_ (W)w);
1000	}	1385	}
1001		1386
1002	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
1003	ev_signal_start (struct ev_signal *w)	1396	ev_idle_start (EV_P_ struct ev_idle *w)
1004	{	1397	{
1005	if (ev_is_active (w))	1398	if (ev_is_active (w))
1006	return;	1399	return;
1007		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
1008	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));
1009		1475
1010	ev_start ((W)w, 1);	1476	ev_start (EV_A_ (W)w, 1);
1011	array_needsize (signals, signalmax, w->signum, signals_init);	1477	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1012	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1478	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1013		1479
1014	if (!w->next)	1480	if (!((WL)w)->next)
1015	{	1481	{
		1482	#if WIN32
		1483	signal (w->signum, sighandler);
		1484	#else
1016	struct sigaction sa;	1485	struct sigaction sa;
1017	sa.sa_handler = sighandler;	1486	sa.sa_handler = sighandler;
1018	sigfillset (&sa.sa_mask);	1487	sigfillset (&sa.sa_mask);
1019	sa.sa_flags = 0;	1488	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1020	sigaction (w->signum, &sa, 0);	1489	sigaction (w->signum, &sa, 0);
		1490	#endif
1021	}	1491	}
1022	}	1492	}
1023		1493
1024	void	1494	void
1025	ev_signal_stop (struct ev_signal *w)	1495	ev_signal_stop (EV_P_ struct ev_signal *w)
1026	{	1496	{
1027	ev_clear_pending ((W)w);	1497	ev_clear_pending (EV_A_ (W)w);
1028	if (!ev_is_active (w))	1498	if (!ev_is_active (w))
1029	return;	1499	return;
1030		1500
1031	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1501	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1032	ev_stop ((W)w);	1502	ev_stop (EV_A_ (W)w);
1033		1503
1034	if (!signals [w->signum - 1].head)	1504	if (!signals [w->signum - 1].head)
1035	signal (w->signum, SIG_DFL);	1505	signal (w->signum, SIG_DFL);
1036	}	1506	}
1037		1507
1038	void	1508	void
1039	ev_idle_start (struct ev_idle *w)	1509	ev_child_start (EV_P_ struct ev_child *w)
1040	{	1510	{
		1511	#if EV_MULTIPLICITY
		1512	assert (("child watchers are only supported in the default loop", loop == default_loop));
		1513	#endif
1041	if (ev_is_active (w))	1514	if (ev_is_active (w))
1042	return;	1515	return;
1043		1516
1044	ev_start ((W)w, ++idlecnt);	1517	ev_start (EV_A_ (W)w, 1);
1045	array_needsize (idles, idlemax, idlecnt, );	1518	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1046	idles [idlecnt - 1] = w;
1047	}	1519	}
1048		1520
1049	void	1521	void
1050	ev_idle_stop (struct ev_idle *w)	1522	ev_child_stop (EV_P_ struct ev_child *w)
1051	{	1523	{
1052	ev_clear_pending ((W)w);	1524	ev_clear_pending (EV_A_ (W)w);
1053	if (ev_is_active (w))	1525	if (ev_is_active (w))
1054	return;	1526	return;
1055		1527
1056	idles [w->active - 1] = idles [--idlecnt];
1057	ev_stop ((W)w);
1058	}
1059
1060	void
1061	ev_prepare_start (struct ev_prepare *w)
1062	{
1063	if (ev_is_active (w))
1064	return;
1065
1066	ev_start ((W)w, ++preparecnt);
1067	array_needsize (prepares, preparemax, preparecnt, );
1068	prepares [preparecnt - 1] = w;
1069	}
1070
1071	void
1072	ev_prepare_stop (struct ev_prepare *w)
1073	{
1074	ev_clear_pending ((W)w);
1075	if (ev_is_active (w))
1076	return;
1077
1078	prepares [w->active - 1] = prepares [--preparecnt];
1079	ev_stop ((W)w);
1080	}
1081
1082	void
1083	ev_check_start (struct ev_check *w)
1084	{
1085	if (ev_is_active (w))
1086	return;
1087
1088	ev_start ((W)w, ++checkcnt);
1089	array_needsize (checks, checkmax, checkcnt, );
1090	checks [checkcnt - 1] = w;
1091	}
1092
1093	void
1094	ev_check_stop (struct ev_check *w)
1095	{
1096	ev_clear_pending ((W)w);
1097	if (ev_is_active (w))
1098	return;
1099
1100	checks [w->active - 1] = checks [--checkcnt];
1101	ev_stop ((W)w);
1102	}
1103
1104	void
1105	ev_child_start (struct ev_child *w)
1106	{
1107	if (ev_is_active (w))
1108	return;
1109
1110	ev_start ((W)w, 1);
1111	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1112	}
1113
1114	void
1115	ev_child_stop (struct ev_child *w)
1116	{
1117	ev_clear_pending ((W)w);
1118	if (ev_is_active (w))
1119	return;
1120
1121	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1528	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1122	ev_stop ((W)w);	1529	ev_stop (EV_A_ (W)w);
1123	}	1530	}
1124		1531
1125	/*****************************************************************************/	1532	/*****************************************************************************/
1126		1533
1127	struct ev_once	1534	struct ev_once
…		…
1131	void (cb)(int revents, void arg);	1538	void (cb)(int revents, void arg);
1132	void *arg;	1539	void *arg;
1133	};	1540	};
1134		1541
1135	static void	1542	static void
1136	once_cb (struct ev_once *once, int revents)	1543	once_cb (EV_P_ struct ev_once *once, int revents)
1137	{	1544	{
1138	void (cb)(int revents, void arg) = once->cb;	1545	void (cb)(int revents, void arg) = once->cb;
1139	void *arg = once->arg;	1546	void *arg = once->arg;
1140		1547
1141	ev_io_stop (&once->io);	1548	ev_io_stop (EV_A_ &once->io);
1142	ev_timer_stop (&once->to);	1549	ev_timer_stop (EV_A_ &once->to);
1143	free (once);	1550	ev_free (once);
1144		1551
1145	cb (revents, arg);	1552	cb (revents, arg);
1146	}	1553	}
1147		1554
1148	static void	1555	static void
1149	once_cb_io (struct ev_io *w, int revents)	1556	once_cb_io (EV_P_ struct ev_io *w, int revents)
1150	{	1557	{
1151	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);
1152	}	1559	}
1153		1560
1154	static void	1561	static void
1155	once_cb_to (struct ev_timer *w, int revents)	1562	once_cb_to (EV_P_ struct ev_timer *w, int revents)
1156	{	1563	{
1157	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);
1158	}	1565	}
1159		1566
1160	void	1567	void
1161	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)
1162	{	1569	{
1163	struct ev_once *once = malloc (sizeof (struct ev_once));	1570	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1164		1571
1165	if (!once)	1572	if (!once)
1166	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1573	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1167	else	1574	else
1168	{	1575	{
1169	once->cb = cb;	1576	once->cb = cb;
1170	once->arg = arg;	1577	once->arg = arg;
1171		1578
1172	ev_watcher_init (&once->io, once_cb_io);	1579	ev_init (&once->io, once_cb_io);
1173	if (fd >= 0)	1580	if (fd >= 0)
1174	{	1581	{
1175	ev_io_set (&once->io, fd, events);	1582	ev_io_set (&once->io, fd, events);
1176	ev_io_start (&once->io);	1583	ev_io_start (EV_A_ &once->io);
1177	}	1584	}
1178		1585
1179	ev_watcher_init (&once->to, once_cb_to);	1586	ev_init (&once->to, once_cb_to);
1180	if (timeout >= 0.)	1587	if (timeout >= 0.)
1181	{	1588	{
1182	ev_timer_set (&once->to, timeout, 0.);	1589	ev_timer_set (&once->to, timeout, 0.);
1183	ev_timer_start (&once->to);	1590	ev_timer_start (EV_A_ &once->to);
1184	}	1591	}
1185	}	1592	}
1186	}	1593	}
1187		1594
1188	/*****************************************************************************/
1189
1190	#if 0
1191
1192	struct ev_io wio;
1193
1194	static void
1195	sin_cb (struct ev_io *w, int revents)
1196	{
1197	fprintf (stderr, "sin %d, revents %d\n", w->fd, revents);
1198	}
1199
1200	static void
1201	ocb (struct ev_timer *w, int revents)
1202	{
1203	//fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data);
1204	ev_timer_stop (w);
1205	ev_timer_start (w);
1206	}
1207
1208	static void
1209	scb (struct ev_signal *w, int revents)
1210	{
1211	fprintf (stderr, "signal %x,%d\n", revents, w->signum);
1212	ev_io_stop (&wio);
1213	ev_io_start (&wio);
1214	}
1215
1216	static void
1217	gcb (struct ev_signal *w, int revents)
1218	{
1219	fprintf (stderr, "generic %x\n", revents);
1220
1221	}
1222
1223	int main (void)
1224	{
1225	ev_init (0);
1226
1227	ev_io_init (&wio, sin_cb, 0, EV_READ);
1228	ev_io_start (&wio);
1229
1230	struct ev_timer t[10000];
1231
1232	#if 0
1233	int i;
1234	for (i = 0; i < 10000; ++i)
1235	{
1236	struct ev_timer *w = t + i;
1237	ev_watcher_init (w, ocb, i);
1238	ev_timer_init_abs (w, ocb, drand48 (), 0.99775533);
1239	ev_timer_start (w);
1240	if (drand48 () < 0.5)
1241	ev_timer_stop (w);
1242	}
1243	#endif
1244
1245	struct ev_timer t1;
1246	ev_timer_init (&t1, ocb, 5, 10);
1247	ev_timer_start (&t1);
1248
1249	struct ev_signal sig;
1250	ev_signal_init (&sig, scb, SIGQUIT);
1251	ev_signal_start (&sig);
1252
1253	struct ev_check cw;
1254	ev_check_init (&cw, gcb);
1255	ev_check_start (&cw);
1256
1257	struct ev_idle iw;
1258	ev_idle_init (&iw, gcb);
1259	ev_idle_start (&iw);
1260
1261	ev_loop (0);
1262
1263	return 0;
1264	}
1265
1266	#endif
1267
1268
1269
1270

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Comparing libev/ev.c (file contents): Revision 1.44 by root, Fri Nov 2 20:59:14 2007 UTC vs. Revision 1.84 by root, Fri Nov 9 23:04:35 2007 UTC

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Comparing libev/ev.c (file contents):
Revision 1.44 by root, Fri Nov 2 20:59:14 2007 UTC vs.
Revision 1.84 by root, Fri Nov 9 23:04:35 2007 UTC