ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/libev/ev.c

Comparing libev/ev.c (file contents):
Revision 1.39 by root, Thu Nov 1 17:17:32 2007 UTC vs.
Revision 1.80 by root, Fri Nov 9 15:30:59 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>
		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
		76	/**/
50		77
51	#ifndef EV_USE_MONOTONIC	78	#ifndef EV_USE_MONOTONIC
52	# define EV_USE_MONOTONIC 1	79	# define EV_USE_MONOTONIC 1
53	#endif	80	#endif
		81
		82	#ifndef EV_USE_SELECT
		83	# define EV_USE_SELECT 1
		84	#endif
		85
		86	#ifndef EV_USE_POLL
		87	# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */
		88	#endif
		89
		90	#ifndef EV_USE_EPOLL
		91	# define EV_USE_EPOLL 0
		92	#endif
		93
		94	#ifndef EV_USE_KQUEUE
		95	# define EV_USE_KQUEUE 0
		96	#endif
		97
		98	#ifndef EV_USE_WIN32
		99	# ifdef WIN32
		100	# define EV_USE_WIN32 0 /* it does not exist, use select */
		101	# undef EV_USE_SELECT
		102	# define EV_USE_SELECT 1
		103	# else
		104	# define EV_USE_WIN32 0
		105	# endif
		106	#endif
		107
		108	#ifndef EV_USE_REALTIME
		109	# define EV_USE_REALTIME 1
		110	#endif
		111
		112	/**/
54		113
55	#ifndef CLOCK_MONOTONIC	114	#ifndef CLOCK_MONOTONIC
56	# undef EV_USE_MONOTONIC	115	# undef EV_USE_MONOTONIC
57	# define EV_USE_MONOTONIC 0	116	# define EV_USE_MONOTONIC 0
58	#endif	117	#endif
59		118
60	#ifndef EV_USE_SELECT
61	# define EV_USE_SELECT 1
62	#endif
63
64	#ifndef EV_USE_EPOLL
65	# define EV_USE_EPOLL 0
66	#endif
67
68	#ifndef CLOCK_REALTIME	119	#ifndef CLOCK_REALTIME
		120	# undef EV_USE_REALTIME
69	# define EV_USE_REALTIME 0	121	# define EV_USE_REALTIME 0
70	#endif	122	#endif
71	#ifndef EV_USE_REALTIME	123
72	# define EV_USE_REALTIME 1 /* posix requirement, but might be slower */	124	/**/
73	#endif
74		125
75	#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) */
76	#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detetc time jumps) */	127	#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */
77	#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 */
78	#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* 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 */
79		130
80	#include "ev.h"	131	#include "ev.h"
		132
		133	#if __GNUC__ >= 3
		134	# define expect(expr,value) __builtin_expect ((expr),(value))
		135	# define inline inline
		136	#else
		137	# define expect(expr,value) (expr)
		138	# define inline static
		139	#endif
		140
		141	#define expect_false(expr) expect ((expr) != 0, 0)
		142	#define expect_true(expr) expect ((expr) != 0, 1)
		143
		144	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
		145	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
81		146
82	typedef struct ev_watcher *W;	147	typedef struct ev_watcher *W;
83	typedef struct ev_watcher_list *WL;	148	typedef struct ev_watcher_list *WL;
84	typedef struct ev_watcher_time *WT;	149	typedef struct ev_watcher_time *WT;
85		150
86	static ev_tstamp now, diff; /* monotonic clock */	151	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
87	ev_tstamp ev_now;
88	int ev_method;
89		152
90	static int have_monotonic; /* runtime */	153	#include "ev_win32.c"
91
92	static ev_tstamp method_fudge; /* stupid epoll-returns-early bug */
93	static void (*method_modify)(int fd, int oev, int nev);
94	static void (*method_poll)(ev_tstamp timeout);
95		154
96	/*****************************************************************************/	155	/*****************************************************************************/
97		156
98	ev_tstamp	157	static void (*syserr_cb)(const char *msg);
		158
		159	void ev_set_syserr_cb (void (*cb)(const char *msg))
		160	{
		161	syserr_cb = cb;
		162	}
		163
		164	static void
		165	syserr (const char *msg)
		166	{
		167	if (!msg)
		168	msg = "(libev) system error";
		169
		170	if (syserr_cb)
		171	syserr_cb (msg);
		172	else
		173	{
		174	perror (msg);
		175	abort ();
		176	}
		177	}
		178
		179	static void *(*alloc)(void *ptr, long size);
		180
		181	void ev_set_allocator (void *(*cb)(void *ptr, long size))
		182	{
		183	alloc = cb;
		184	}
		185
		186	static void *
		187	ev_realloc (void *ptr, long size)
		188	{
		189	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
		190
		191	if (!ptr && size)
		192	{
		193	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
		194	abort ();
		195	}
		196
		197	return ptr;
		198	}
		199
		200	#define ev_malloc(size) ev_realloc (0, (size))
		201	#define ev_free(ptr) ev_realloc ((ptr), 0)
		202
		203	/*****************************************************************************/
		204
		205	typedef struct
		206	{
		207	WL head;
		208	unsigned char events;
		209	unsigned char reify;
		210	} ANFD;
		211
		212	typedef struct
		213	{
		214	W w;
		215	int events;
		216	} ANPENDING;
		217
		218	#if EV_MULTIPLICITY
		219
		220	struct ev_loop
		221	{
		222	#define VAR(name,decl) decl;
		223	#include "ev_vars.h"
		224	#undef VAR
		225	};
		226	#include "ev_wrap.h"
		227
		228	struct ev_loop default_loop_struct;
		229	static struct ev_loop *default_loop;
		230
		231	#else
		232
		233	#define VAR(name,decl) static decl;
		234	#include "ev_vars.h"
		235	#undef VAR
		236
		237	static int default_loop;
		238
		239	#endif
		240
		241	/*****************************************************************************/
		242
		243	inline ev_tstamp
99	ev_time (void)	244	ev_time (void)
100	{	245	{
101	#if EV_USE_REALTIME	246	#if EV_USE_REALTIME
102	struct timespec ts;	247	struct timespec ts;
103	clock_gettime (CLOCK_REALTIME, &ts);	248	clock_gettime (CLOCK_REALTIME, &ts);
…		…
107	gettimeofday (&tv, 0);	252	gettimeofday (&tv, 0);
108	return tv.tv_sec + tv.tv_usec * 1e-6;	253	return tv.tv_sec + tv.tv_usec * 1e-6;
109	#endif	254	#endif
110	}	255	}
111		256
112	static ev_tstamp	257	inline ev_tstamp
113	get_clock (void)	258	get_clock (void)
114	{	259	{
115	#if EV_USE_MONOTONIC	260	#if EV_USE_MONOTONIC
116	if (have_monotonic)	261	if (expect_true (have_monotonic))
117	{	262	{
118	struct timespec ts;	263	struct timespec ts;
119	clock_gettime (CLOCK_MONOTONIC, &ts);	264	clock_gettime (CLOCK_MONOTONIC, &ts);
120	return ts.tv_sec + ts.tv_nsec * 1e-9;	265	return ts.tv_sec + ts.tv_nsec * 1e-9;
121	}	266	}
122	#endif	267	#endif
123		268
124	return ev_time ();	269	return ev_time ();
125	}	270	}
126		271
		272	ev_tstamp
		273	ev_now (EV_P)
		274	{
		275	return rt_now;
		276	}
		277
127	#define array_roundsize(base,n) ((n) | 4 & ~3)	278	#define array_roundsize(type,n) ((n) | 4 & ~3)
128		279
129	#define array_needsize(base,cur,cnt,init) \	280	#define array_needsize(type,base,cur,cnt,init) \
130	if ((cnt) > cur) \	281	if (expect_false ((cnt) > cur)) \
131	{ \	282	{ \
132	int newcnt = cur; \	283	int newcnt = cur; \
133	do \	284	do \
134	{ \	285	{ \
135	newcnt = array_roundsize (base, newcnt << 1); \	286	newcnt = array_roundsize (type, newcnt << 1); \
136	} \	287	} \
137	while ((cnt) > newcnt); \	288	while ((cnt) > newcnt); \
138	\	289	\
139	base = realloc (base, sizeof (*base) * (newcnt)); \	290	base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\
140	init (base + cur, newcnt - cur); \	291	init (base + cur, newcnt - cur); \
141	cur = newcnt; \	292	cur = newcnt; \
142	}	293	}
		294
		295	#define array_slim(type,stem) \
		296	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
		297	{ \
		298	stem ## max = array_roundsize (stem ## cnt >> 1); \
		299	base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\
		300	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\
		301	}
		302
		303	/* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */
		304	/* bringing us everlasting joy in form of stupid extra macros that are not required in C */
		305	#define array_free_microshit(stem) \
		306	ev_free (stem ## s); stem ## cnt = stem ## max = 0;
		307
		308	#define array_free(stem, idx) \
		309	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
143		310
144	/*****************************************************************************/	311	/*****************************************************************************/
145
146	typedef struct
147	{
148	struct ev_io *head;
149	unsigned char events;
150	unsigned char reify;
151	} ANFD;
152
153	static ANFD *anfds;
154	static int anfdmax;
155		312
156	static void	313	static void
157	anfds_init (ANFD *base, int count)	314	anfds_init (ANFD *base, int count)
158	{	315	{
159	while (count--)	316	while (count--)
…		…
164		321
165	++base;	322	++base;
166	}	323	}
167	}	324	}
168		325
169	typedef struct	326	void
		327	ev_feed_event (EV_P_ void *w, int revents)
170	{	328	{
171	W w;	329	W w_ = (W)w;
172	int events;
173	} ANPENDING;
174		330
175	static ANPENDING *pendings;
176	static int pendingmax, pendingcnt;
177
178	static void
179	event (W w, int events)
180	{
181	if (w->pending)	331	if (w_->pending)
182	{	332	{
183	pendings [w->pending - 1].events |= events;	333	pendings [ABSPRI (w_)][w_->pending - 1].events |= revents;
184	return;	334	return;
185	}	335	}
186		336
187	w->pending = ++pendingcnt;	337	w_->pending = ++pendingcnt [ABSPRI (w_)];
188	array_needsize (pendings, pendingmax, pendingcnt, );	338	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void));
189	pendings [pendingcnt - 1].w = w;	339	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
190	pendings [pendingcnt - 1].events = events;	340	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
191	}	341	}
192		342
193	static void	343	static void
194	queue_events (W *events, int eventcnt, int type)	344	queue_events (EV_P_ W *events, int eventcnt, int type)
195	{	345	{
196	int i;	346	int i;
197		347
198	for (i = 0; i < eventcnt; ++i)	348	for (i = 0; i < eventcnt; ++i)
199	event (events [i], type);	349	ev_feed_event (EV_A_ events [i], type);
200	}	350	}
201		351
202	static void	352	inline void
203	fd_event (int fd, int events)	353	fd_event (EV_P_ int fd, int revents)
204	{	354	{
205	ANFD *anfd = anfds + fd;	355	ANFD *anfd = anfds + fd;
206	struct ev_io *w;	356	struct ev_io *w;
207		357
208	for (w = anfd->head; w; w = w->next)	358	for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next)
209	{	359	{
210	int ev = w->events & events;	360	int ev = w->events & revents;
211		361
212	if (ev)	362	if (ev)
213	event ((W)w, ev);	363	ev_feed_event (EV_A_ (W)w, ev);
214	}	364	}
		365	}
		366
		367	void
		368	ev_feed_fd_event (EV_P_ int fd, int revents)
		369	{
		370	fd_event (EV_A_ fd, revents);
215	}	371	}
216		372
217	/*****************************************************************************/	373	/*****************************************************************************/
218		374
219	static int *fdchanges;
220	static int fdchangemax, fdchangecnt;
221
222	static void	375	static void
223	fd_reify (void)	376	fd_reify (EV_P)
224	{	377	{
225	int i;	378	int i;
226		379
227	for (i = 0; i < fdchangecnt; ++i)	380	for (i = 0; i < fdchangecnt; ++i)
228	{	381	{
…		…
230	ANFD *anfd = anfds + fd;	383	ANFD *anfd = anfds + fd;
231	struct ev_io *w;	384	struct ev_io *w;
232		385
233	int events = 0;	386	int events = 0;
234		387
235	for (w = anfd->head; w; w = w->next)	388	for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next)
236	events |= w->events;	389	events |= w->events;
237		390
238	anfd->reify = 0;	391	anfd->reify = 0;
239		392
240	if (anfd->events != events)
241	{
242	method_modify (fd, anfd->events, events);	393	method_modify (EV_A_ fd, anfd->events, events);
243	anfd->events = events;	394	anfd->events = events;
244	}
245	}	395	}
246		396
247	fdchangecnt = 0;	397	fdchangecnt = 0;
248	}	398	}
249		399
250	static void	400	static void
251	fd_change (int fd)	401	fd_change (EV_P_ int fd)
252	{	402	{
253	if (anfds [fd].reify || fdchangecnt < 0)	403	if (anfds [fd].reify)
254	return;	404	return;
255		405
256	anfds [fd].reify = 1;	406	anfds [fd].reify = 1;
257		407
258	++fdchangecnt;	408	++fdchangecnt;
259	array_needsize (fdchanges, fdchangemax, fdchangecnt, );	409	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void));
260	fdchanges [fdchangecnt - 1] = fd;	410	fdchanges [fdchangecnt - 1] = fd;
261	}	411	}
262		412
		413	static void
		414	fd_kill (EV_P_ int fd)
		415	{
		416	struct ev_io *w;
		417
		418	while ((w = (struct ev_io *)anfds [fd].head))
		419	{
		420	ev_io_stop (EV_A_ w);
		421	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
		422	}
		423	}
		424
		425	static int
		426	fd_valid (int fd)
		427	{
		428	#ifdef WIN32
		429	return !!win32_get_osfhandle (fd);
		430	#else
		431	return fcntl (fd, F_GETFD) != -1;
		432	#endif
		433	}
		434
263	/* called on EBADF to verify fds */	435	/* called on EBADF to verify fds */
264	static void	436	static void
265	fd_recheck (void)	437	fd_ebadf (EV_P)
266	{	438	{
267	int fd;	439	int fd;
268		440
269	for (fd = 0; fd < anfdmax; ++fd)	441	for (fd = 0; fd < anfdmax; ++fd)
270	if (anfds [fd].events)	442	if (anfds [fd].events)
271	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)	443	if (!fd_valid (fd) == -1 && errno == EBADF)
272	while (anfds [fd].head)	444	fd_kill (EV_A_ fd);
		445	}
		446
		447	/* called on ENOMEM in select/poll to kill some fds and retry */
		448	static void
		449	fd_enomem (EV_P)
		450	{
		451	int fd;
		452
		453	for (fd = anfdmax; fd--; )
		454	if (anfds [fd].events)
273	{	455	{
274	ev_io_stop (anfds [fd].head);	456	fd_kill (EV_A_ fd);
275	event ((W)anfds [fd].head, EV_ERROR | EV_READ | EV_WRITE);	457	return;
276	}	458	}
		459	}
		460
		461	/* usually called after fork if method needs to re-arm all fds from scratch */
		462	static void
		463	fd_rearm_all (EV_P)
		464	{
		465	int fd;
		466
		467	/* this should be highly optimised to not do anything but set a flag */
		468	for (fd = 0; fd < anfdmax; ++fd)
		469	if (anfds [fd].events)
		470	{
		471	anfds [fd].events = 0;
		472	fd_change (EV_A_ fd);
		473	}
277	}	474	}
278		475
279	/*****************************************************************************/	476	/*****************************************************************************/
280		477
281	static struct ev_timer **timers;
282	static int timermax, timercnt;
283
284	static struct ev_periodic **periodics;
285	static int periodicmax, periodiccnt;
286
287	static void	478	static void
288	upheap (WT *timers, int k)	479	upheap (WT *heap, int k)
289	{	480	{
290	WT w = timers [k];	481	WT w = heap [k];
291		482
292	while (k && timers [k >> 1]->at > w->at)	483	while (k && heap [k >> 1]->at > w->at)
293	{	484	{
294	timers [k] = timers [k >> 1];	485	heap [k] = heap [k >> 1];
295	timers [k]->active = k + 1;	486	((W)heap [k])->active = k + 1;
296	k >>= 1;	487	k >>= 1;
297	}	488	}
298		489
299	timers [k] = w;	490	heap [k] = w;
300	timers [k]->active = k + 1;	491	((W)heap [k])->active = k + 1;
301		492
302	}	493	}
303		494
304	static void	495	static void
305	downheap (WT *timers, int N, int k)	496	downheap (WT *heap, int N, int k)
306	{	497	{
307	WT w = timers [k];	498	WT w = heap [k];
308		499
309	while (k < (N >> 1))	500	while (k < (N >> 1))
310	{	501	{
311	int j = k << 1;	502	int j = k << 1;
312		503
313	if (j + 1 < N && timers [j]->at > timers [j + 1]->at)	504	if (j + 1 < N && heap [j]->at > heap [j + 1]->at)
314	++j;	505	++j;
315		506
316	if (w->at <= timers [j]->at)	507	if (w->at <= heap [j]->at)
317	break;	508	break;
318		509
319	timers [k] = timers [j];	510	heap [k] = heap [j];
320	timers [k]->active = k + 1;	511	((W)heap [k])->active = k + 1;
321	k = j;	512	k = j;
322	}	513	}
323		514
324	timers [k] = w;	515	heap [k] = w;
325	timers [k]->active = k + 1;	516	((W)heap [k])->active = k + 1;
326	}	517	}
327		518
328	/*****************************************************************************/	519	/*****************************************************************************/
329		520
330	typedef struct	521	typedef struct
331	{	522	{
332	struct ev_signal *head;	523	WL head;
333	sig_atomic_t volatile gotsig;	524	sig_atomic_t volatile gotsig;
334	} ANSIG;	525	} ANSIG;
335		526
336	static ANSIG *signals;	527	static ANSIG *signals;
337	static int signalmax;	528	static int signalmax;
…		…
353	}	544	}
354		545
355	static void	546	static void
356	sighandler (int signum)	547	sighandler (int signum)
357	{	548	{
		549	#if WIN32
		550	signal (signum, sighandler);
		551	#endif
		552
358	signals [signum - 1].gotsig = 1;	553	signals [signum - 1].gotsig = 1;
359		554
360	if (!gotsig)	555	if (!gotsig)
361	{	556	{
		557	int old_errno = errno;
362	gotsig = 1;	558	gotsig = 1;
		559	#ifdef WIN32
		560	send (sigpipe [1], &signum, 1, MSG_DONTWAIT);
		561	#else
363	write (sigpipe [1], &signum, 1);	562	write (sigpipe [1], &signum, 1);
		563	#endif
		564	errno = old_errno;
364	}	565	}
365	}	566	}
366		567
		568	void
		569	ev_feed_signal_event (EV_P_ int signum)
		570	{
		571	WL w;
		572
		573	#if EV_MULTIPLICITY
		574	assert (("feeding signal events is only supported in the default loop", loop == default_loop));
		575	#endif
		576
		577	--signum;
		578
		579	if (signum < 0 || signum >= signalmax)
		580	return;
		581
		582	signals [signum].gotsig = 0;
		583
		584	for (w = signals [signum].head; w; w = w->next)
		585	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
		586	}
		587
367	static void	588	static void
368	sigcb (struct ev_io *iow, int revents)	589	sigcb (EV_P_ struct ev_io *iow, int revents)
369	{	590	{
370	struct ev_signal *w;
371	int signum;	591	int signum;
372		592
		593	#ifdef WIN32
		594	recv (sigpipe [0], &revents, 1, MSG_DONTWAIT);
		595	#else
373	read (sigpipe [0], &revents, 1);	596	read (sigpipe [0], &revents, 1);
		597	#endif
374	gotsig = 0;	598	gotsig = 0;
375		599
376	for (signum = signalmax; signum--; )	600	for (signum = signalmax; signum--; )
377	if (signals [signum].gotsig)	601	if (signals [signum].gotsig)
378	{	602	ev_feed_signal_event (EV_A_ signum + 1);
379	signals [signum].gotsig = 0;
380
381	for (w = signals [signum].head; w; w = w->next)
382	event ((W)w, EV_SIGNAL);
383	}
384	}	603	}
385		604
386	static void	605	static void
387	siginit (void)	606	siginit (EV_P)
388	{	607	{
		608	#ifndef WIN32
389	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	609	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);
390	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);	610	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
391		611
392	/* rather than sort out wether we really need nb, set it */	612	/* rather than sort out wether we really need nb, set it */
393	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);	613	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
394	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);	614	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
		615	#endif
395		616
396	ev_io_set (&sigev, sigpipe [0], EV_READ);	617	ev_io_set (&sigev, sigpipe [0], EV_READ);
397	ev_io_start (&sigev);	618	ev_io_start (EV_A_ &sigev);
		619	ev_unref (EV_A); /* child watcher should not keep loop alive */
398	}	620	}
399		621
400	/*****************************************************************************/	622	/*****************************************************************************/
401		623
402	static struct ev_idle **idles;
403	static int idlemax, idlecnt;
404
405	static struct ev_prepare **prepares;
406	static int preparemax, preparecnt;
407
408	static struct ev_check **checks;
409	static int checkmax, checkcnt;
410
411	/*****************************************************************************/
412
413	static struct ev_child *childs [PID_HASHSIZE];	624	static struct ev_child *childs [PID_HASHSIZE];
		625
		626	#ifndef WIN32
		627
414	static struct ev_signal childev;	628	static struct ev_signal childev;
415		629
416	#ifndef WCONTINUED	630	#ifndef WCONTINUED
417	# define WCONTINUED 0	631	# define WCONTINUED 0
418	#endif	632	#endif
419		633
420	static void	634	static void
421	childcb (struct ev_signal *sw, int revents)	635	child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status)
422	{	636	{
423	struct ev_child *w;	637	struct ev_child *w;
		638
		639	for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next)
		640	if (w->pid == pid || !w->pid)
		641	{
		642	ev_priority (w) = ev_priority (sw); /* need to do it *now* */
		643	w->rpid = pid;
		644	w->rstatus = status;
		645	ev_feed_event (EV_A_ (W)w, EV_CHILD);
		646	}
		647	}
		648
		649	static void
		650	childcb (EV_P_ struct ev_signal *sw, int revents)
		651	{
424	int pid, status;	652	int pid, status;
425		653
426	while ((pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED)) != -1)	654	if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED)))
427	for (w = childs [pid & (PID_HASHSIZE - 1)]; w; w = w->next)	655	{
428	if (w->pid == pid || !w->pid)	656	/* make sure we are called again until all childs have been reaped */
429	{	657	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
430	w->status = status;	658
431	event ((W)w, EV_CHILD);	659	child_reap (EV_A_ sw, pid, pid, status);
432	}	660	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
		661	}
433	}	662	}
		663
		664	#endif
434		665
435	/*****************************************************************************/	666	/*****************************************************************************/
436		667
		668	#if EV_USE_KQUEUE
		669	# include "ev_kqueue.c"
		670	#endif
437	#if EV_USE_EPOLL	671	#if EV_USE_EPOLL
438	# include "ev_epoll.c"	672	# include "ev_epoll.c"
439	#endif	673	#endif
		674	#if EV_USE_POLL
		675	# include "ev_poll.c"
		676	#endif
440	#if EV_USE_SELECT	677	#if EV_USE_SELECT
441	# include "ev_select.c"	678	# include "ev_select.c"
442	#endif	679	#endif
443		680
444	int	681	int
…		…
451	ev_version_minor (void)	688	ev_version_minor (void)
452	{	689	{
453	return EV_VERSION_MINOR;	690	return EV_VERSION_MINOR;
454	}	691	}
455		692
456	int ev_init (int flags)	693	/* return true if we are running with elevated privileges and should ignore env variables */
		694	static int
		695	enable_secure (void)
457	{	696	{
		697	#ifdef WIN32
		698	return 0;
		699	#else
		700	return getuid () != geteuid ()
		701	|| getgid () != getegid ();
		702	#endif
		703	}
		704
		705	int
		706	ev_method (EV_P)
		707	{
		708	return method;
		709	}
		710
		711	static void
		712	loop_init (EV_P_ int methods)
		713	{
458	if (!ev_method)	714	if (!method)
459	{	715	{
460	#if EV_USE_MONOTONIC	716	#if EV_USE_MONOTONIC
461	{	717	{
462	struct timespec ts;	718	struct timespec ts;
463	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	719	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
464	have_monotonic = 1;	720	have_monotonic = 1;
465	}	721	}
466	#endif	722	#endif
467		723
468	ev_now = ev_time ();	724	rt_now = ev_time ();
469	now = get_clock ();	725	mn_now = get_clock ();
		726	now_floor = mn_now;
470	diff = ev_now - now;	727	rtmn_diff = rt_now - mn_now;
471		728
472	if (pipe (sigpipe))	729	if (methods == EVMETHOD_AUTO)
473	return 0;	730	if (!enable_secure () && getenv ("LIBEV_METHODS"))
474		731	methods = atoi (getenv ("LIBEV_METHODS"));
		732	else
475	ev_method = EVMETHOD_NONE;	733	methods = EVMETHOD_ANY;
		734
		735	method = 0;
		736	#if EV_USE_WIN32
		737	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);
		738	#endif
		739	#if EV_USE_KQUEUE
		740	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);
		741	#endif
476	#if EV_USE_EPOLL	742	#if EV_USE_EPOLL
477	if (ev_method == EVMETHOD_NONE) epoll_init (flags);	743	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);
		744	#endif
		745	#if EV_USE_POLL
		746	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);
478	#endif	747	#endif
479	#if EV_USE_SELECT	748	#if EV_USE_SELECT
480	if (ev_method == EVMETHOD_NONE) select_init (flags);	749	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);
481	#endif	750	#endif
482		751
		752	ev_watcher_init (&sigev, sigcb);
		753	ev_set_priority (&sigev, EV_MAXPRI);
		754	}
		755	}
		756
		757	void
		758	loop_destroy (EV_P)
		759	{
		760	int i;
		761
		762	#if EV_USE_WIN32
		763	if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);
		764	#endif
		765	#if EV_USE_KQUEUE
		766	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
		767	#endif
		768	#if EV_USE_EPOLL
		769	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);
		770	#endif
		771	#if EV_USE_POLL
		772	if (method == EVMETHOD_POLL ) poll_destroy (EV_A);
		773	#endif
		774	#if EV_USE_SELECT
		775	if (method == EVMETHOD_SELECT) select_destroy (EV_A);
		776	#endif
		777
		778	for (i = NUMPRI; i--; )
		779	array_free (pending, [i]);
		780
		781	/* have to use the microsoft-never-gets-it-right macro */
		782	array_free_microshit (fdchange);
		783	array_free_microshit (timer);
		784	array_free_microshit (periodic);
		785	array_free_microshit (idle);
		786	array_free_microshit (prepare);
		787	array_free_microshit (check);
		788
		789	method = 0;
		790	}
		791
		792	static void
		793	loop_fork (EV_P)
		794	{
		795	#if EV_USE_EPOLL
		796	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
		797	#endif
		798	#if EV_USE_KQUEUE
		799	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
		800	#endif
		801
		802	if (ev_is_active (&sigev))
		803	{
		804	/* default loop */
		805
		806	ev_ref (EV_A);
		807	ev_io_stop (EV_A_ &sigev);
		808	close (sigpipe [0]);
		809	close (sigpipe [1]);
		810
		811	while (pipe (sigpipe))
		812	syserr ("(libev) error creating pipe");
		813
		814	siginit (EV_A);
		815	}
		816
		817	postfork = 0;
		818	}
		819
		820	#if EV_MULTIPLICITY
		821	struct ev_loop *
		822	ev_loop_new (int methods)
		823	{
		824	struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
		825
		826	memset (loop, 0, sizeof (struct ev_loop));
		827
		828	loop_init (EV_A_ methods);
		829
		830	if (ev_method (EV_A))
		831	return loop;
		832
		833	return 0;
		834	}
		835
		836	void
		837	ev_loop_destroy (EV_P)
		838	{
		839	loop_destroy (EV_A);
		840	ev_free (loop);
		841	}
		842
		843	void
		844	ev_loop_fork (EV_P)
		845	{
		846	postfork = 1;
		847	}
		848
		849	#endif
		850
		851	#if EV_MULTIPLICITY
		852	struct ev_loop *
		853	#else
		854	int
		855	#endif
		856	ev_default_loop (int methods)
		857	{
		858	if (sigpipe [0] == sigpipe [1])
		859	if (pipe (sigpipe))
		860	return 0;
		861
		862	if (!default_loop)
		863	{
		864	#if EV_MULTIPLICITY
		865	struct ev_loop *loop = default_loop = &default_loop_struct;
		866	#else
		867	default_loop = 1;
		868	#endif
		869
		870	loop_init (EV_A_ methods);
		871
483	if (ev_method)	872	if (ev_method (EV_A))
484	{	873	{
485	ev_watcher_init (&sigev, sigcb);
486	siginit ();	874	siginit (EV_A);
487		875
		876	#ifndef WIN32
488	ev_signal_init (&childev, childcb, SIGCHLD);	877	ev_signal_init (&childev, childcb, SIGCHLD);
		878	ev_set_priority (&childev, EV_MAXPRI);
489	ev_signal_start (&childev);	879	ev_signal_start (EV_A_ &childev);
		880	ev_unref (EV_A); /* child watcher should not keep loop alive */
		881	#endif
490	}	882	}
		883	else
		884	default_loop = 0;
491	}	885	}
492		886
493	return ev_method;	887	return default_loop;
		888	}
		889
		890	void
		891	ev_default_destroy (void)
		892	{
		893	#if EV_MULTIPLICITY
		894	struct ev_loop *loop = default_loop;
		895	#endif
		896
		897	#ifndef WIN32
		898	ev_ref (EV_A); /* child watcher */
		899	ev_signal_stop (EV_A_ &childev);
		900	#endif
		901
		902	ev_ref (EV_A); /* signal watcher */
		903	ev_io_stop (EV_A_ &sigev);
		904
		905	close (sigpipe [0]); sigpipe [0] = 0;
		906	close (sigpipe [1]); sigpipe [1] = 0;
		907
		908	loop_destroy (EV_A);
		909	}
		910
		911	void
		912	ev_default_fork (void)
		913	{
		914	#if EV_MULTIPLICITY
		915	struct ev_loop *loop = default_loop;
		916	#endif
		917
		918	if (method)
		919	postfork = 1;
494	}	920	}
495		921
496	/*****************************************************************************/	922	/*****************************************************************************/
497		923
498	void
499	ev_fork_prepare (void)
500	{
501	/* nop */
502	}
503
504	void
505	ev_fork_parent (void)
506	{
507	/* nop */
508	}
509
510	void
511	ev_fork_child (void)
512	{
513	#if EV_USE_EPOLL
514	if (ev_method == EVMETHOD_EPOLL)
515	epoll_postfork_child ();
516	#endif
517
518	ev_io_stop (&sigev);
519	close (sigpipe [0]);
520	close (sigpipe [1]);
521	pipe (sigpipe);
522	siginit ();
523	}
524
525	/*****************************************************************************/
526
527	static void	924	static int
		925	any_pending (EV_P)
		926	{
		927	int pri;
		928
		929	for (pri = NUMPRI; pri--; )
		930	if (pendingcnt [pri])
		931	return 1;
		932
		933	return 0;
		934	}
		935
		936	static void
528	call_pending (void)	937	call_pending (EV_P)
529	{	938	{
		939	int pri;
		940
		941	for (pri = NUMPRI; pri--; )
530	while (pendingcnt)	942	while (pendingcnt [pri])
531	{	943	{
532	ANPENDING *p = pendings + --pendingcnt;	944	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
533		945
534	if (p->w)	946	if (p->w)
535	{	947	{
536	p->w->pending = 0;	948	p->w->pending = 0;
537	p->w->cb (p->w, p->events);	949	p->w->cb (EV_A_ p->w, p->events);
538	}	950	}
539	}	951	}
540	}	952	}
541		953
542	static void	954	static void
543	timers_reify (void)	955	timers_reify (EV_P)
544	{	956	{
545	while (timercnt && timers [0]->at <= now)	957	while (timercnt && ((WT)timers [0])->at <= mn_now)
546	{	958	{
547	struct ev_timer *w = timers [0];	959	struct ev_timer *w = timers [0];
		960
		961	assert (("inactive timer on timer heap detected", ev_is_active (w)));
548		962
549	/* first reschedule or stop timer */	963	/* first reschedule or stop timer */
550	if (w->repeat)	964	if (w->repeat)
551	{	965	{
552	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	966	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
553	w->at = now + w->repeat;	967	((WT)w)->at = mn_now + w->repeat;
554	downheap ((WT *)timers, timercnt, 0);	968	downheap ((WT *)timers, timercnt, 0);
555	}	969	}
556	else	970	else
557	ev_timer_stop (w); /* nonrepeating: stop timer */	971	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
558		972
559	event ((W)w, EV_TIMEOUT);	973	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
560	}	974	}
561	}	975	}
562		976
563	static void	977	static void
564	periodics_reify (void)	978	periodics_reify (EV_P)
565	{	979	{
566	while (periodiccnt && periodics [0]->at <= ev_now)	980	while (periodiccnt && ((WT)periodics [0])->at <= rt_now)
567	{	981	{
568	struct ev_periodic *w = periodics [0];	982	struct ev_periodic *w = periodics [0];
569		983
		984	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
		985
570	/* first reschedule or stop timer */	986	/* first reschedule or stop timer */
571	if (w->interval)	987	if (w->reschedule_cb)
572	{	988	{
		989	ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, rt_now + 0.0001);
		990
		991	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > rt_now));
		992	downheap ((WT *)periodics, periodiccnt, 0);
		993	}
		994	else if (w->interval)
		995	{
573	w->at += floor ((ev_now - w->at) / w->interval + 1.) * w->interval;	996	((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
574	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > ev_now));	997	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now));
575	downheap ((WT *)periodics, periodiccnt, 0);	998	downheap ((WT *)periodics, periodiccnt, 0);
576	}	999	}
577	else	1000	else
578	ev_periodic_stop (w); /* nonrepeating: stop timer */	1001	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
579		1002
580	event ((W)w, EV_PERIODIC);	1003	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
581	}	1004	}
582	}	1005	}
583		1006
584	static void	1007	static void
585	periodics_reschedule (ev_tstamp diff)	1008	periodics_reschedule (EV_P)
586	{	1009	{
587	int i;	1010	int i;
588		1011
589	/* adjust periodics after time jump */	1012	/* adjust periodics after time jump */
590	for (i = 0; i < periodiccnt; ++i)	1013	for (i = 0; i < periodiccnt; ++i)
591	{	1014	{
592	struct ev_periodic *w = periodics [i];	1015	struct ev_periodic *w = periodics [i];
593		1016
		1017	if (w->reschedule_cb)
		1018	((WT)w)->at = w->reschedule_cb (w, rt_now);
594	if (w->interval)	1019	else if (w->interval)
		1020	((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
		1021	}
		1022
		1023	/* now rebuild the heap */
		1024	for (i = periodiccnt >> 1; i--; )
		1025	downheap ((WT *)periodics, periodiccnt, i);
		1026	}
		1027
		1028	inline int
		1029	time_update_monotonic (EV_P)
		1030	{
		1031	mn_now = get_clock ();
		1032
		1033	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
		1034	{
		1035	rt_now = rtmn_diff + mn_now;
		1036	return 0;
		1037	}
		1038	else
		1039	{
		1040	now_floor = mn_now;
		1041	rt_now = ev_time ();
		1042	return 1;
		1043	}
		1044	}
		1045
		1046	static void
		1047	time_update (EV_P)
		1048	{
		1049	int i;
		1050
		1051	#if EV_USE_MONOTONIC
		1052	if (expect_true (have_monotonic))
		1053	{
		1054	if (time_update_monotonic (EV_A))
595	{	1055	{
596	ev_tstamp diff = ceil ((ev_now - w->at) / w->interval) * w->interval;	1056	ev_tstamp odiff = rtmn_diff;
597		1057
598	if (fabs (diff) >= 1e-4)	1058	for (i = 4; --i; ) /* loop a few times, before making important decisions */
599	{	1059	{
600	ev_periodic_stop (w);	1060	rtmn_diff = rt_now - mn_now;
601	ev_periodic_start (w);
602		1061
603	i = 0; /* restart loop, inefficient, but time jumps should be rare */	1062	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
		1063	return; /* all is well */
		1064
		1065	rt_now = ev_time ();
		1066	mn_now = get_clock ();
		1067	now_floor = mn_now;
604	}	1068	}
		1069
		1070	periodics_reschedule (EV_A);
		1071	/* no timer adjustment, as the monotonic clock doesn't jump */
		1072	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
605	}	1073	}
606	}	1074	}
607	}	1075	else
608		1076	#endif
609	static void	1077	{
610	time_update (void)
611	{
612	int i;
613
614	ev_now = ev_time ();	1078	rt_now = ev_time ();
615		1079
616	if (have_monotonic)	1080	if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
617	{
618	ev_tstamp odiff = diff;
619
620	for (i = 4; --i; ) /* loop a few times, before making important decisions */
621	{	1081	{
622	now = get_clock ();
623	diff = ev_now - now;
624
625	if (fabs (odiff - diff) < MIN_TIMEJUMP)
626	return; /* all is well */
627
628	ev_now = ev_time ();
629	}
630
631	periodics_reschedule (diff - odiff);
632	/* no timer adjustment, as the monotonic clock doesn't jump */
633	}
634	else
635	{
636	if (now > ev_now || now < ev_now - MAX_BLOCKTIME - MIN_TIMEJUMP)
637	{
638	periodics_reschedule (ev_now - now);	1082	periodics_reschedule (EV_A);
639		1083
640	/* adjust timers. this is easy, as the offset is the same for all */	1084	/* adjust timers. this is easy, as the offset is the same for all */
641	for (i = 0; i < timercnt; ++i)	1085	for (i = 0; i < timercnt; ++i)
642	timers [i]->at += diff;	1086	((WT)timers [i])->at += rt_now - mn_now;
643	}	1087	}
644		1088
645	now = ev_now;	1089	mn_now = rt_now;
646	}	1090	}
647	}	1091	}
648		1092
649	int ev_loop_done;	1093	void
		1094	ev_ref (EV_P)
		1095	{
		1096	++activecnt;
		1097	}
650		1098
		1099	void
		1100	ev_unref (EV_P)
		1101	{
		1102	--activecnt;
		1103	}
		1104
		1105	static int loop_done;
		1106
		1107	void
651	void ev_loop (int flags)	1108	ev_loop (EV_P_ int flags)
652	{	1109	{
653	double block;	1110	double block;
654	ev_loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0;	1111	loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0;
655		1112
656	do	1113	do
657	{	1114	{
658	/* queue check watchers (and execute them) */	1115	/* queue check watchers (and execute them) */
659	if (preparecnt)	1116	if (expect_false (preparecnt))
660	{	1117	{
661	queue_events ((W *)prepares, preparecnt, EV_PREPARE);	1118	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
662	call_pending ();	1119	call_pending (EV_A);
663	}	1120	}
664		1121
		1122	/* we might have forked, so reify kernel state if necessary */
		1123	if (expect_false (postfork))
		1124	loop_fork (EV_A);
		1125
665	/* update fd-related kernel structures */	1126	/* update fd-related kernel structures */
666	fd_reify ();	1127	fd_reify (EV_A);
667		1128
668	/* calculate blocking time */	1129	/* calculate blocking time */
669		1130
670	/* we only need this for !monotonic clockor timers, but as we basically	1131	/* we only need this for !monotonic clock or timers, but as we basically
671	always have timers, we just calculate it always */	1132	always have timers, we just calculate it always */
		1133	#if EV_USE_MONOTONIC
		1134	if (expect_true (have_monotonic))
		1135	time_update_monotonic (EV_A);
		1136	else
		1137	#endif
		1138	{
672	ev_now = ev_time ();	1139	rt_now = ev_time ();
		1140	mn_now = rt_now;
		1141	}
673		1142
674	if (flags & EVLOOP_NONBLOCK || idlecnt)	1143	if (flags & EVLOOP_NONBLOCK || idlecnt)
675	block = 0.;	1144	block = 0.;
676	else	1145	else
677	{	1146	{
678	block = MAX_BLOCKTIME;	1147	block = MAX_BLOCKTIME;
679		1148
680	if (timercnt)	1149	if (timercnt)
681	{	1150	{
682	ev_tstamp to = timers [0]->at - (have_monotonic ? get_clock () : ev_now) + method_fudge;	1151	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
683	if (block > to) block = to;	1152	if (block > to) block = to;
684	}	1153	}
685		1154
686	if (periodiccnt)	1155	if (periodiccnt)
687	{	1156	{
688	ev_tstamp to = periodics [0]->at - ev_now + method_fudge;	1157	ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;
689	if (block > to) block = to;	1158	if (block > to) block = to;
690	}	1159	}
691		1160
692	if (block < 0.) block = 0.;	1161	if (block < 0.) block = 0.;
693	}	1162	}
694		1163
695	method_poll (block);	1164	method_poll (EV_A_ block);
696		1165
697	/* update ev_now, do magic */	1166	/* update rt_now, do magic */
698	time_update ();	1167	time_update (EV_A);
699		1168
700	/* queue pending timers and reschedule them */	1169	/* queue pending timers and reschedule them */
701	timers_reify (); /* relative timers called last */	1170	timers_reify (EV_A); /* relative timers called last */
702	periodics_reify (); /* absolute timers called first */	1171	periodics_reify (EV_A); /* absolute timers called first */
703		1172
704	/* queue idle watchers unless io or timers are pending */	1173	/* queue idle watchers unless io or timers are pending */
705	if (!pendingcnt)	1174	if (idlecnt && !any_pending (EV_A))
706	queue_events ((W *)idles, idlecnt, EV_IDLE);	1175	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
707		1176
708	/* queue check watchers, to be executed first */	1177	/* queue check watchers, to be executed first */
709	if (checkcnt)	1178	if (checkcnt)
710	queue_events ((W *)checks, checkcnt, EV_CHECK);	1179	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
711		1180
712	call_pending ();	1181	call_pending (EV_A);
713	}	1182	}
714	while (!ev_loop_done);	1183	while (activecnt && !loop_done);
715		1184
716	if (ev_loop_done != 2)	1185	if (loop_done != 2)
717	ev_loop_done = 0;	1186	loop_done = 0;
		1187	}
		1188
		1189	void
		1190	ev_unloop (EV_P_ int how)
		1191	{
		1192	loop_done = how;
718	}	1193	}
719		1194
720	/*****************************************************************************/	1195	/*****************************************************************************/
721		1196
722	static void	1197	inline void
723	wlist_add (WL *head, WL elem)	1198	wlist_add (WL *head, WL elem)
724	{	1199	{
725	elem->next = *head;	1200	elem->next = *head;
726	*head = elem;	1201	*head = elem;
727	}	1202	}
728		1203
729	static void	1204	inline void
730	wlist_del (WL *head, WL elem)	1205	wlist_del (WL *head, WL elem)
731	{	1206	{
732	while (*head)	1207	while (*head)
733	{	1208	{
734	if (*head == elem)	1209	if (*head == elem)
…		…
739		1214
740	head = &(*head)->next;	1215	head = &(*head)->next;
741	}	1216	}
742	}	1217	}
743		1218
744	static void	1219	inline void
745	ev_clear_pending (W w)	1220	ev_clear_pending (EV_P_ W w)
746	{	1221	{
747	if (w->pending)	1222	if (w->pending)
748	{	1223	{
749	pendings [w->pending - 1].w = 0;	1224	pendings [ABSPRI (w)][w->pending - 1].w = 0;
750	w->pending = 0;	1225	w->pending = 0;
751	}	1226	}
752	}	1227	}
753		1228
754	static void	1229	inline void
755	ev_start (W w, int active)	1230	ev_start (EV_P_ W w, int active)
756	{	1231	{
		1232	if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;
		1233	if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
		1234
757	w->active = active;	1235	w->active = active;
		1236	ev_ref (EV_A);
758	}	1237	}
759		1238
760	static void	1239	inline void
761	ev_stop (W w)	1240	ev_stop (EV_P_ W w)
762	{	1241	{
		1242	ev_unref (EV_A);
763	w->active = 0;	1243	w->active = 0;
764	}	1244	}
765		1245
766	/*****************************************************************************/	1246	/*****************************************************************************/
767		1247
768	void	1248	void
769	ev_io_start (struct ev_io *w)	1249	ev_io_start (EV_P_ struct ev_io *w)
770	{	1250	{
771	int fd = w->fd;	1251	int fd = w->fd;
772		1252
773	if (ev_is_active (w))	1253	if (ev_is_active (w))
774	return;	1254	return;
775		1255
776	assert (("ev_io_start called with negative fd", fd >= 0));	1256	assert (("ev_io_start called with negative fd", fd >= 0));
777		1257
778	ev_start ((W)w, 1);	1258	ev_start (EV_A_ (W)w, 1);
779	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	1259	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
780	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1260	wlist_add ((WL *)&anfds[fd].head, (WL)w);
781		1261
782	fd_change (fd);	1262	fd_change (EV_A_ fd);
783	}	1263	}
784		1264
785	void	1265	void
786	ev_io_stop (struct ev_io *w)	1266	ev_io_stop (EV_P_ struct ev_io *w)
787	{	1267	{
788	ev_clear_pending ((W)w);	1268	ev_clear_pending (EV_A_ (W)w);
789	if (!ev_is_active (w))	1269	if (!ev_is_active (w))
790	return;	1270	return;
791		1271
792	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1272	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
793	ev_stop ((W)w);	1273	ev_stop (EV_A_ (W)w);
794		1274
795	fd_change (w->fd);	1275	fd_change (EV_A_ w->fd);
796	}	1276	}
797		1277
798	void	1278	void
799	ev_timer_start (struct ev_timer *w)	1279	ev_timer_start (EV_P_ struct ev_timer *w)
800	{	1280	{
801	if (ev_is_active (w))	1281	if (ev_is_active (w))
802	return;	1282	return;
803		1283
804	w->at += now;	1284	((WT)w)->at += mn_now;
805		1285
806	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1286	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
807		1287
808	ev_start ((W)w, ++timercnt);	1288	ev_start (EV_A_ (W)w, ++timercnt);
809	array_needsize (timers, timermax, timercnt, );	1289	array_needsize (struct ev_timer *, timers, timermax, timercnt, (void));
810	timers [timercnt - 1] = w;	1290	timers [timercnt - 1] = w;
811	upheap ((WT *)timers, timercnt - 1);	1291	upheap ((WT *)timers, timercnt - 1);
812	}
813		1292
		1293	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1294	}
		1295
814	void	1296	void
815	ev_timer_stop (struct ev_timer *w)	1297	ev_timer_stop (EV_P_ struct ev_timer *w)
816	{	1298	{
817	ev_clear_pending ((W)w);	1299	ev_clear_pending (EV_A_ (W)w);
818	if (!ev_is_active (w))	1300	if (!ev_is_active (w))
819	return;	1301	return;
820		1302
		1303	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1304
821	if (w->active < timercnt--)	1305	if (((W)w)->active < timercnt--)
822	{	1306	{
823	timers [w->active - 1] = timers [timercnt];	1307	timers [((W)w)->active - 1] = timers [timercnt];
824	downheap ((WT *)timers, timercnt, w->active - 1);	1308	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
825	}	1309	}
826		1310
827	w->at = w->repeat;	1311	((WT)w)->at = w->repeat;
828		1312
829	ev_stop ((W)w);	1313	ev_stop (EV_A_ (W)w);
830	}	1314	}
831		1315
832	void	1316	void
833	ev_timer_again (struct ev_timer *w)	1317	ev_timer_again (EV_P_ struct ev_timer *w)
834	{	1318	{
835	if (ev_is_active (w))	1319	if (ev_is_active (w))
836	{	1320	{
837	if (w->repeat)	1321	if (w->repeat)
838	{	1322	{
839	w->at = now + w->repeat;	1323	((WT)w)->at = mn_now + w->repeat;
840	downheap ((WT *)timers, timercnt, w->active - 1);	1324	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
841	}	1325	}
842	else	1326	else
843	ev_timer_stop (w);	1327	ev_timer_stop (EV_A_ w);
844	}	1328	}
845	else if (w->repeat)	1329	else if (w->repeat)
846	ev_timer_start (w);	1330	ev_timer_start (EV_A_ w);
847	}	1331	}
848		1332
849	void	1333	void
850	ev_periodic_start (struct ev_periodic *w)	1334	ev_periodic_start (EV_P_ struct ev_periodic *w)
851	{	1335	{
852	if (ev_is_active (w))	1336	if (ev_is_active (w))
853	return;	1337	return;
854		1338
		1339	if (w->reschedule_cb)
		1340	((WT)w)->at = w->reschedule_cb (w, rt_now);
		1341	else if (w->interval)
		1342	{
855	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1343	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
856
857	/* this formula differs from the one in periodic_reify because we do not always round up */	1344	/* this formula differs from the one in periodic_reify because we do not always round up */
858	if (w->interval)
859	w->at += ceil ((ev_now - w->at) / w->interval) * w->interval;	1345	((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
		1346	}
860		1347
861	ev_start ((W)w, ++periodiccnt);	1348	ev_start (EV_A_ (W)w, ++periodiccnt);
862	array_needsize (periodics, periodicmax, periodiccnt, );	1349	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void));
863	periodics [periodiccnt - 1] = w;	1350	periodics [periodiccnt - 1] = w;
864	upheap ((WT *)periodics, periodiccnt - 1);	1351	upheap ((WT *)periodics, periodiccnt - 1);
865	}
866		1352
		1353	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1354	}
		1355
867	void	1356	void
868	ev_periodic_stop (struct ev_periodic *w)	1357	ev_periodic_stop (EV_P_ struct ev_periodic *w)
869	{	1358	{
870	ev_clear_pending ((W)w);	1359	ev_clear_pending (EV_A_ (W)w);
871	if (!ev_is_active (w))	1360	if (!ev_is_active (w))
872	return;	1361	return;
873		1362
		1363	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1364
874	if (w->active < periodiccnt--)	1365	if (((W)w)->active < periodiccnt--)
875	{	1366	{
876	periodics [w->active - 1] = periodics [periodiccnt];	1367	periodics [((W)w)->active - 1] = periodics [periodiccnt];
877	downheap ((WT *)periodics, periodiccnt, w->active - 1);	1368	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
878	}	1369	}
879		1370
880	ev_stop ((W)w);	1371	ev_stop (EV_A_ (W)w);
881	}	1372	}
882		1373
883	void	1374	void
		1375	ev_periodic_again (EV_P_ struct ev_periodic *w)
		1376	{
		1377	ev_periodic_stop (EV_A_ w);
		1378	ev_periodic_start (EV_A_ w);
		1379	}
		1380
		1381	void
884	ev_signal_start (struct ev_signal *w)	1382	ev_idle_start (EV_P_ struct ev_idle *w)
885	{	1383	{
886	if (ev_is_active (w))	1384	if (ev_is_active (w))
887	return;	1385	return;
888		1386
		1387	ev_start (EV_A_ (W)w, ++idlecnt);
		1388	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void));
		1389	idles [idlecnt - 1] = w;
		1390	}
		1391
		1392	void
		1393	ev_idle_stop (EV_P_ struct ev_idle *w)
		1394	{
		1395	ev_clear_pending (EV_A_ (W)w);
		1396	if (ev_is_active (w))
		1397	return;
		1398
		1399	idles [((W)w)->active - 1] = idles [--idlecnt];
		1400	ev_stop (EV_A_ (W)w);
		1401	}
		1402
		1403	void
		1404	ev_prepare_start (EV_P_ struct ev_prepare *w)
		1405	{
		1406	if (ev_is_active (w))
		1407	return;
		1408
		1409	ev_start (EV_A_ (W)w, ++preparecnt);
		1410	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void));
		1411	prepares [preparecnt - 1] = w;
		1412	}
		1413
		1414	void
		1415	ev_prepare_stop (EV_P_ struct ev_prepare *w)
		1416	{
		1417	ev_clear_pending (EV_A_ (W)w);
		1418	if (ev_is_active (w))
		1419	return;
		1420
		1421	prepares [((W)w)->active - 1] = prepares [--preparecnt];
		1422	ev_stop (EV_A_ (W)w);
		1423	}
		1424
		1425	void
		1426	ev_check_start (EV_P_ struct ev_check *w)
		1427	{
		1428	if (ev_is_active (w))
		1429	return;
		1430
		1431	ev_start (EV_A_ (W)w, ++checkcnt);
		1432	array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void));
		1433	checks [checkcnt - 1] = w;
		1434	}
		1435
		1436	void
		1437	ev_check_stop (EV_P_ struct ev_check *w)
		1438	{
		1439	ev_clear_pending (EV_A_ (W)w);
		1440	if (ev_is_active (w))
		1441	return;
		1442
		1443	checks [((W)w)->active - 1] = checks [--checkcnt];
		1444	ev_stop (EV_A_ (W)w);
		1445	}
		1446
		1447	#ifndef SA_RESTART
		1448	# define SA_RESTART 0
		1449	#endif
		1450
		1451	void
		1452	ev_signal_start (EV_P_ struct ev_signal *w)
		1453	{
		1454	#if EV_MULTIPLICITY
		1455	assert (("signal watchers are only supported in the default loop", loop == default_loop));
		1456	#endif
		1457	if (ev_is_active (w))
		1458	return;
		1459
889	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1460	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
890		1461
891	ev_start ((W)w, 1);	1462	ev_start (EV_A_ (W)w, 1);
892	array_needsize (signals, signalmax, w->signum, signals_init);	1463	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
893	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1464	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
894		1465
895	if (!w->next)	1466	if (!((WL)w)->next)
896	{	1467	{
		1468	#if WIN32
		1469	signal (w->signum, sighandler);
		1470	#else
897	struct sigaction sa;	1471	struct sigaction sa;
898	sa.sa_handler = sighandler;	1472	sa.sa_handler = sighandler;
899	sigfillset (&sa.sa_mask);	1473	sigfillset (&sa.sa_mask);
900	sa.sa_flags = 0;	1474	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
901	sigaction (w->signum, &sa, 0);	1475	sigaction (w->signum, &sa, 0);
		1476	#endif
902	}	1477	}
903	}	1478	}
904		1479
905	void	1480	void
906	ev_signal_stop (struct ev_signal *w)	1481	ev_signal_stop (EV_P_ struct ev_signal *w)
907	{	1482	{
908	ev_clear_pending ((W)w);	1483	ev_clear_pending (EV_A_ (W)w);
909	if (!ev_is_active (w))	1484	if (!ev_is_active (w))
910	return;	1485	return;
911		1486
912	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1487	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
913	ev_stop ((W)w);	1488	ev_stop (EV_A_ (W)w);
914		1489
915	if (!signals [w->signum - 1].head)	1490	if (!signals [w->signum - 1].head)
916	signal (w->signum, SIG_DFL);	1491	signal (w->signum, SIG_DFL);
917	}	1492	}
918		1493
919	void	1494	void
920	ev_idle_start (struct ev_idle *w)	1495	ev_child_start (EV_P_ struct ev_child *w)
921	{	1496	{
		1497	#if EV_MULTIPLICITY
		1498	assert (("child watchers are only supported in the default loop", loop == default_loop));
		1499	#endif
922	if (ev_is_active (w))	1500	if (ev_is_active (w))
923	return;	1501	return;
924		1502
925	ev_start ((W)w, ++idlecnt);	1503	ev_start (EV_A_ (W)w, 1);
926	array_needsize (idles, idlemax, idlecnt, );	1504	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
927	idles [idlecnt - 1] = w;
928	}	1505	}
929		1506
930	void	1507	void
931	ev_idle_stop (struct ev_idle *w)	1508	ev_child_stop (EV_P_ struct ev_child *w)
932	{	1509	{
933	ev_clear_pending ((W)w);	1510	ev_clear_pending (EV_A_ (W)w);
934	if (ev_is_active (w))	1511	if (ev_is_active (w))
935	return;	1512	return;
936		1513
937	idles [w->active - 1] = idles [--idlecnt];
938	ev_stop ((W)w);
939	}
940
941	void
942	ev_prepare_start (struct ev_prepare *w)
943	{
944	if (ev_is_active (w))
945	return;
946
947	ev_start ((W)w, ++preparecnt);
948	array_needsize (prepares, preparemax, preparecnt, );
949	prepares [preparecnt - 1] = w;
950	}
951
952	void
953	ev_prepare_stop (struct ev_prepare *w)
954	{
955	ev_clear_pending ((W)w);
956	if (ev_is_active (w))
957	return;
958
959	prepares [w->active - 1] = prepares [--preparecnt];
960	ev_stop ((W)w);
961	}
962
963	void
964	ev_check_start (struct ev_check *w)
965	{
966	if (ev_is_active (w))
967	return;
968
969	ev_start ((W)w, ++checkcnt);
970	array_needsize (checks, checkmax, checkcnt, );
971	checks [checkcnt - 1] = w;
972	}
973
974	void
975	ev_check_stop (struct ev_check *w)
976	{
977	ev_clear_pending ((W)w);
978	if (ev_is_active (w))
979	return;
980
981	checks [w->active - 1] = checks [--checkcnt];
982	ev_stop ((W)w);
983	}
984
985	void
986	ev_child_start (struct ev_child *w)
987	{
988	if (ev_is_active (w))
989	return;
990
991	ev_start ((W)w, 1);
992	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
993	}
994
995	void
996	ev_child_stop (struct ev_child *w)
997	{
998	ev_clear_pending ((W)w);
999	if (ev_is_active (w))
1000	return;
1001
1002	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1514	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1003	ev_stop ((W)w);	1515	ev_stop (EV_A_ (W)w);
1004	}	1516	}
1005		1517
1006	/*****************************************************************************/	1518	/*****************************************************************************/
1007		1519
1008	struct ev_once	1520	struct ev_once
…		…
1012	void (*cb)(int revents, void *arg);	1524	void (*cb)(int revents, void *arg);
1013	void *arg;	1525	void *arg;
1014	};	1526	};
1015		1527
1016	static void	1528	static void
1017	once_cb (struct ev_once *once, int revents)	1529	once_cb (EV_P_ struct ev_once *once, int revents)
1018	{	1530	{
1019	void (*cb)(int revents, void *arg) = once->cb;	1531	void (*cb)(int revents, void *arg) = once->cb;
1020	void *arg = once->arg;	1532	void *arg = once->arg;
1021		1533
1022	ev_io_stop (&once->io);	1534	ev_io_stop (EV_A_ &once->io);
1023	ev_timer_stop (&once->to);	1535	ev_timer_stop (EV_A_ &once->to);
1024	free (once);	1536	ev_free (once);
1025		1537
1026	cb (revents, arg);	1538	cb (revents, arg);
1027	}	1539	}
1028		1540
1029	static void	1541	static void
1030	once_cb_io (struct ev_io *w, int revents)	1542	once_cb_io (EV_P_ struct ev_io *w, int revents)
1031	{	1543	{
1032	once_cb ((struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents);	1544	once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents);
1033	}	1545	}
1034		1546
1035	static void	1547	static void
1036	once_cb_to (struct ev_timer *w, int revents)	1548	once_cb_to (EV_P_ struct ev_timer *w, int revents)
1037	{	1549	{
1038	once_cb ((struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents);	1550	once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents);
1039	}	1551	}
1040		1552
1041	void	1553	void
1042	ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	1554	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)
1043	{	1555	{
1044	struct ev_once *once = malloc (sizeof (struct ev_once));	1556	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
1045		1557
1046	if (!once)	1558	if (!once)
1047	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg);	1559	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg);
1048	else	1560	else
1049	{	1561	{
…		…
1052		1564
1053	ev_watcher_init (&once->io, once_cb_io);	1565	ev_watcher_init (&once->io, once_cb_io);
1054	if (fd >= 0)	1566	if (fd >= 0)
1055	{	1567	{
1056	ev_io_set (&once->io, fd, events);	1568	ev_io_set (&once->io, fd, events);
1057	ev_io_start (&once->io);	1569	ev_io_start (EV_A_ &once->io);
1058	}	1570	}
1059		1571
1060	ev_watcher_init (&once->to, once_cb_to);	1572	ev_watcher_init (&once->to, once_cb_to);
1061	if (timeout >= 0.)	1573	if (timeout >= 0.)
1062	{	1574	{
1063	ev_timer_set (&once->to, timeout, 0.);	1575	ev_timer_set (&once->to, timeout, 0.);
1064	ev_timer_start (&once->to);	1576	ev_timer_start (EV_A_ &once->to);
1065	}	1577	}
1066	}	1578	}
1067	}	1579	}
1068		1580
1069	/*****************************************************************************/
1070
1071	#if 0
1072
1073	struct ev_io wio;
1074
1075	static void
1076	sin_cb (struct ev_io *w, int revents)
1077	{
1078	fprintf (stderr, "sin %d, revents %d\n", w->fd, revents);
1079	}
1080
1081	static void
1082	ocb (struct ev_timer *w, int revents)
1083	{
1084	//fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data);
1085	ev_timer_stop (w);
1086	ev_timer_start (w);
1087	}
1088
1089	static void
1090	scb (struct ev_signal *w, int revents)
1091	{
1092	fprintf (stderr, "signal %x,%d\n", revents, w->signum);
1093	ev_io_stop (&wio);
1094	ev_io_start (&wio);
1095	}
1096
1097	static void
1098	gcb (struct ev_signal *w, int revents)
1099	{
1100	fprintf (stderr, "generic %x\n", revents);
1101
1102	}
1103
1104	int main (void)
1105	{
1106	ev_init (0);
1107
1108	ev_io_init (&wio, sin_cb, 0, EV_READ);
1109	ev_io_start (&wio);
1110
1111	struct ev_timer t[10000];
1112
1113	#if 0
1114	int i;
1115	for (i = 0; i < 10000; ++i)
1116	{
1117	struct ev_timer *w = t + i;
1118	ev_watcher_init (w, ocb, i);
1119	ev_timer_init_abs (w, ocb, drand48 (), 0.99775533);
1120	ev_timer_start (w);
1121	if (drand48 () < 0.5)
1122	ev_timer_stop (w);
1123	}
1124	#endif
1125
1126	struct ev_timer t1;
1127	ev_timer_init (&t1, ocb, 5, 10);
1128	ev_timer_start (&t1);
1129
1130	struct ev_signal sig;
1131	ev_signal_init (&sig, scb, SIGQUIT);
1132	ev_signal_start (&sig);
1133
1134	struct ev_check cw;
1135	ev_check_init (&cw, gcb);
1136	ev_check_start (&cw);
1137
1138	struct ev_idle iw;
1139	ev_idle_init (&iw, gcb);
1140	ev_idle_start (&iw);
1141
1142	ev_loop (0);
1143
1144	return 0;
1145	}
1146
1147	#endif
1148
1149
1150
1151

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines