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

Comparing libev/ev.c (file contents):
Revision 1.65 by root, Sun Nov 4 23:29:48 2007 UTC vs.
Revision 1.127 by root, Sun Nov 18 02:17:57 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
		32	#ifdef __cplusplus
		33	extern "C" {
		34	#endif
		35
31	#ifndef EV_STANDALONE	36	#ifndef EV_STANDALONE
32	# include "config.h"	37	# include "config.h"
33		38
34	# if HAVE_CLOCK_GETTIME	39	# if HAVE_CLOCK_GETTIME
		40	# ifndef EV_USE_MONOTONIC
35	# define EV_USE_MONOTONIC 1	41	# define EV_USE_MONOTONIC 1
		42	# endif
		43	# ifndef EV_USE_REALTIME
36	# define EV_USE_REALTIME 1	44	# define EV_USE_REALTIME 1
		45	# endif
		46	# else
		47	# ifndef EV_USE_MONOTONIC
		48	# define EV_USE_MONOTONIC 0
		49	# endif
		50	# ifndef EV_USE_REALTIME
		51	# define EV_USE_REALTIME 0
		52	# endif
37	# endif	53	# endif
38		54
		55	# ifndef EV_USE_SELECT
39	# if HAVE_SELECT && HAVE_SYS_SELECT_H	56	# if HAVE_SELECT && HAVE_SYS_SELECT_H
40	# define EV_USE_SELECT 1	57	# define EV_USE_SELECT 1
		58	# else
		59	# define EV_USE_SELECT 0
		60	# endif
41	# endif	61	# endif
42		62
		63	# ifndef EV_USE_POLL
43	# if HAVE_POLL && HAVE_POLL_H	64	# if HAVE_POLL && HAVE_POLL_H
44	# define EV_USE_POLL 1	65	# define EV_USE_POLL 1
		66	# else
		67	# define EV_USE_POLL 0
		68	# endif
45	# endif	69	# endif
46		70
		71	# ifndef EV_USE_EPOLL
47	# if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H	72	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
48	# define EV_USE_EPOLL 1	73	# define EV_USE_EPOLL 1
		74	# else
		75	# define EV_USE_EPOLL 0
		76	# endif
49	# endif	77	# endif
50		78
		79	# ifndef EV_USE_KQUEUE
51	# if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H	80	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H
52	# define EV_USE_KQUEUE 1	81	# define EV_USE_KQUEUE 1
		82	# else
		83	# define EV_USE_KQUEUE 0
		84	# endif
		85	# endif
		86
		87	# ifndef EV_USE_PORT
		88	# if HAVE_PORT_H && HAVE_PORT_CREATE
		89	# define EV_USE_PORT 1
		90	# else
		91	# define EV_USE_PORT 0
		92	# endif
53	# endif	93	# endif
54		94
55	#endif	95	#endif
56		96
57	#include <math.h>	97	#include <math.h>
58	#include <stdlib.h>	98	#include <stdlib.h>
59	#include <unistd.h>
60	#include <fcntl.h>	99	#include <fcntl.h>
61	#include <signal.h>
62	#include <stddef.h>	100	#include <stddef.h>
63		101
64	#include <stdio.h>	102	#include <stdio.h>
65		103
66	#include <assert.h>	104	#include <assert.h>
67	#include <errno.h>	105	#include <errno.h>
68	#include <sys/types.h>	106	#include <sys/types.h>
		107	#include <time.h>
		108
		109	#include <signal.h>
		110
69	#ifndef WIN32	111	#ifndef _WIN32
		112	# include <unistd.h>
		113	# include <sys/time.h>
70	# include <sys/wait.h>	114	# include <sys/wait.h>
		115	#else
		116	# define WIN32_LEAN_AND_MEAN
		117	# include <windows.h>
		118	# ifndef EV_SELECT_IS_WINSOCKET
		119	# define EV_SELECT_IS_WINSOCKET 1
71	#endif	120	# endif
72	#include <sys/time.h>	121	#endif
73	#include <time.h>
74		122
75	/**/	123	/**/
76		124
77	#ifndef EV_USE_MONOTONIC	125	#ifndef EV_USE_MONOTONIC
78	# define EV_USE_MONOTONIC 1	126	# define EV_USE_MONOTONIC 0
		127	#endif
		128
		129	#ifndef EV_USE_REALTIME
		130	# define EV_USE_REALTIME 0
79	#endif	131	#endif
80		132
81	#ifndef EV_USE_SELECT	133	#ifndef EV_USE_SELECT
82	# define EV_USE_SELECT 1	134	# define EV_USE_SELECT 1
83	#endif	135	#endif
84		136
85	#ifndef EV_USE_POLL	137	#ifndef EV_USE_POLL
86	# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */	138	# ifdef _WIN32
		139	# define EV_USE_POLL 0
		140	# else
		141	# define EV_USE_POLL 1
		142	# endif
87	#endif	143	#endif
88		144
89	#ifndef EV_USE_EPOLL	145	#ifndef EV_USE_EPOLL
90	# define EV_USE_EPOLL 0	146	# define EV_USE_EPOLL 0
91	#endif	147	#endif
92		148
93	#ifndef EV_USE_KQUEUE	149	#ifndef EV_USE_KQUEUE
94	# define EV_USE_KQUEUE 0	150	# define EV_USE_KQUEUE 0
95	#endif	151	#endif
96		152
97	#ifndef EV_USE_WIN32
98	# ifdef WIN32
99	# define EV_USE_WIN32 1
100	# else
101	# define EV_USE_WIN32 0
102	# endif
103	#endif
104
105	#ifndef EV_USE_REALTIME	153	#ifndef EV_USE_PORT
106	# define EV_USE_REALTIME 1	154	# define EV_USE_PORT 0
107	#endif	155	#endif
108		156
109	/**/	157	/**/
		158
		159	/* darwin simply cannot be helped */
		160	#ifdef __APPLE__
		161	# undef EV_USE_POLL
		162	# undef EV_USE_KQUEUE
		163	#endif
110		164
111	#ifndef CLOCK_MONOTONIC	165	#ifndef CLOCK_MONOTONIC
112	# undef EV_USE_MONOTONIC	166	# undef EV_USE_MONOTONIC
113	# define EV_USE_MONOTONIC 0	167	# define EV_USE_MONOTONIC 0
114	#endif	168	#endif
…		…
116	#ifndef CLOCK_REALTIME	170	#ifndef CLOCK_REALTIME
117	# undef EV_USE_REALTIME	171	# undef EV_USE_REALTIME
118	# define EV_USE_REALTIME 0	172	# define EV_USE_REALTIME 0
119	#endif	173	#endif
120		174
		175	#if EV_SELECT_IS_WINSOCKET
		176	# include <winsock.h>
		177	#endif
		178
121	/**/	179	/**/
122		180
123	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	181	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
124	#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */	182	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
125	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */	183	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */
126	/#define CLEANUP_INTERVAL 300. / how often to try to free memory and re-check fds */	184	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds */
127		185
		186	#ifdef EV_H
		187	# include EV_H
		188	#else
128	#include "ev.h"	189	# include "ev.h"
		190	#endif
129		191
130	#if __GNUC__ >= 3	192	#if __GNUC__ >= 3
131	# define expect(expr,value) __builtin_expect ((expr),(value))	193	# define expect(expr,value) __builtin_expect ((expr),(value))
132	# define inline inline	194	# define inline static inline
133	#else	195	#else
134	# define expect(expr,value) (expr)	196	# define expect(expr,value) (expr)
135	# define inline static	197	# define inline static
136	#endif	198	#endif
137		199
…		…
139	#define expect_true(expr) expect ((expr) != 0, 1)	201	#define expect_true(expr) expect ((expr) != 0, 1)
140		202
141	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	203	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
142	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	204	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
143		205
		206	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
		207	#define EMPTY2(a,b) /* used to suppress some warnings */
		208
144	typedef struct ev_watcher *W;	209	typedef struct ev_watcher *W;
145	typedef struct ev_watcher_list *WL;	210	typedef struct ev_watcher_list *WL;
146	typedef struct ev_watcher_time *WT;	211	typedef struct ev_watcher_time *WT;
147		212
148	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	213	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
149		214
		215	#ifdef _WIN32
		216	# include "ev_win32.c"
		217	#endif
		218
150	/*****************************************************************************/	219	/*****************************************************************************/
151		220
		221	static void (syserr_cb)(const char msg);
		222
		223	void ev_set_syserr_cb (void (cb)(const char msg))
		224	{
		225	syserr_cb = cb;
		226	}
		227
		228	static void
		229	syserr (const char *msg)
		230	{
		231	if (!msg)
		232	msg = "(libev) system error";
		233
		234	if (syserr_cb)
		235	syserr_cb (msg);
		236	else
		237	{
		238	perror (msg);
		239	abort ();
		240	}
		241	}
		242
		243	static void (alloc)(void *ptr, long size);
		244
		245	void ev_set_allocator (void (cb)(void *ptr, long size))
		246	{
		247	alloc = cb;
		248	}
		249
		250	static void *
		251	ev_realloc (void *ptr, long size)
		252	{
		253	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
		254
		255	if (!ptr && size)
		256	{
		257	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
		258	abort ();
		259	}
		260
		261	return ptr;
		262	}
		263
		264	#define ev_malloc(size) ev_realloc (0, (size))
		265	#define ev_free(ptr) ev_realloc ((ptr), 0)
		266
		267	/*****************************************************************************/
		268
152	typedef struct	269	typedef struct
153	{	270	{
154	struct ev_watcher_list *head;	271	WL head;
155	unsigned char events;	272	unsigned char events;
156	unsigned char reify;	273	unsigned char reify;
		274	#if EV_SELECT_IS_WINSOCKET
		275	SOCKET handle;
		276	#endif
157	} ANFD;	277	} ANFD;
158		278
159	typedef struct	279	typedef struct
160	{	280	{
161	W w;	281	W w;
162	int events;	282	int events;
163	} ANPENDING;	283	} ANPENDING;
164		284
165	#if EV_MULTIPLICITY	285	#if EV_MULTIPLICITY
166		286
167	struct ev_loop	287	struct ev_loop
168	{	288	{
		289	ev_tstamp ev_rt_now;
		290	#define ev_rt_now ((loop)->ev_rt_now)
169	# define VAR(name,decl) decl;	291	#define VAR(name,decl) decl;
170	# include "ev_vars.h"	292	#include "ev_vars.h"
171	};
172	# undef VAR	293	#undef VAR
		294	};
173	# include "ev_wrap.h"	295	#include "ev_wrap.h"
		296
		297	static struct ev_loop default_loop_struct;
		298	struct ev_loop *ev_default_loop_ptr;
174		299
175	#else	300	#else
176		301
		302	ev_tstamp ev_rt_now;
177	# define VAR(name,decl) static decl;	303	#define VAR(name,decl) static decl;
178	# include "ev_vars.h"	304	#include "ev_vars.h"
179	# undef VAR	305	#undef VAR
		306
		307	static int ev_default_loop_ptr;
180		308
181	#endif	309	#endif
182		310
183	/*****************************************************************************/	311	/*****************************************************************************/
184		312
185	inline ev_tstamp	313	ev_tstamp
186	ev_time (void)	314	ev_time (void)
187	{	315	{
188	#if EV_USE_REALTIME	316	#if EV_USE_REALTIME
189	struct timespec ts;	317	struct timespec ts;
190	clock_gettime (CLOCK_REALTIME, &ts);	318	clock_gettime (CLOCK_REALTIME, &ts);
…		…
209	#endif	337	#endif
210		338
211	return ev_time ();	339	return ev_time ();
212	}	340	}
213		341
		342	#if EV_MULTIPLICITY
214	ev_tstamp	343	ev_tstamp
215	ev_now (EV_P)	344	ev_now (EV_P)
216	{	345	{
217	return rt_now;	346	return ev_rt_now;
218	}	347	}
		348	#endif
219		349
220	#define array_roundsize(base,n) ((n) \| 4 & ~3)	350	#define array_roundsize(type,n) (((n) \| 4) & ~3)
221		351
222	#define array_needsize(base,cur,cnt,init) \	352	#define array_needsize(type,base,cur,cnt,init) \
223	if (expect_false ((cnt) > cur)) \	353	if (expect_false ((cnt) > cur)) \
224	{ \	354	{ \
225	int newcnt = cur; \	355	int newcnt = cur; \
226	do \	356	do \
227	{ \	357	{ \
228	newcnt = array_roundsize (base, newcnt << 1); \	358	newcnt = array_roundsize (type, newcnt << 1); \
229	} \	359	} \
230	while ((cnt) > newcnt); \	360	while ((cnt) > newcnt); \
231	\	361	\
232	base = realloc (base, sizeof (base) (newcnt)); \	362	base = (type )ev_realloc (base, sizeof (type) (newcnt));\
233	init (base + cur, newcnt - cur); \	363	init (base + cur, newcnt - cur); \
234	cur = newcnt; \	364	cur = newcnt; \
		365	}
		366
		367	#define array_slim(type,stem) \
		368	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
		369	{ \
		370	stem ## max = array_roundsize (stem ## cnt >> 1); \
		371	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
		372	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
235	}	373	}
236		374
237	#define array_free(stem, idx) \	375	#define array_free(stem, idx) \
238	free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;	376	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
239		377
240	/*****************************************************************************/	378	/*****************************************************************************/
241		379
242	static void	380	static void
243	anfds_init (ANFD *base, int count)	381	anfds_init (ANFD *base, int count)
…		…
250		388
251	++base;	389	++base;
252	}	390	}
253	}	391	}
254		392
255	static void	393	void
256	event (EV_P_ W w, int events)	394	ev_feed_event (EV_P_ void *w, int revents)
257	{	395	{
258	if (w->pending)	396	W w_ = (W)w;
		397
		398	if (expect_false (w_->pending))
259	{	399	{
260	pendings [ABSPRI (w)][w->pending - 1].events \|= events;	400	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
261	return;	401	return;
262	}	402	}
263		403
264	w->pending = ++pendingcnt [ABSPRI (w)];	404	w_->pending = ++pendingcnt [ABSPRI (w_)];
265	array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], );	405	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
266	pendings [ABSPRI (w)][w->pending - 1].w = w;	406	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
267	pendings [ABSPRI (w)][w->pending - 1].events = events;	407	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
268	}	408	}
269		409
270	static void	410	static void
271	queue_events (EV_P_ W *events, int eventcnt, int type)	411	queue_events (EV_P_ W *events, int eventcnt, int type)
272	{	412	{
273	int i;	413	int i;
274		414
275	for (i = 0; i < eventcnt; ++i)	415	for (i = 0; i < eventcnt; ++i)
276	event (EV_A_ events [i], type);	416	ev_feed_event (EV_A_ events [i], type);
277	}	417	}
278		418
279	static void	419	inline void
280	fd_event (EV_P_ int fd, int events)	420	fd_event (EV_P_ int fd, int revents)
281	{	421	{
282	ANFD *anfd = anfds + fd;	422	ANFD *anfd = anfds + fd;
283	struct ev_io *w;	423	struct ev_io *w;
284		424
285	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	425	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
286	{	426	{
287	int ev = w->events & events;	427	int ev = w->events & revents;
288		428
289	if (ev)	429	if (ev)
290	event (EV_A_ (W)w, ev);	430	ev_feed_event (EV_A_ (W)w, ev);
291	}	431	}
		432	}
		433
		434	void
		435	ev_feed_fd_event (EV_P_ int fd, int revents)
		436	{
		437	fd_event (EV_A_ fd, revents);
292	}	438	}
293		439
294	/*****************************************************************************/	440	/*****************************************************************************/
295		441
296	static void	442	inline void
297	fd_reify (EV_P)	443	fd_reify (EV_P)
298	{	444	{
299	int i;	445	int i;
300		446
301	for (i = 0; i < fdchangecnt; ++i)	447	for (i = 0; i < fdchangecnt; ++i)
…		…
307	int events = 0;	453	int events = 0;
308		454
309	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	455	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
310	events \|= w->events;	456	events \|= w->events;
311		457
		458	#if EV_SELECT_IS_WINSOCKET
		459	if (events)
		460	{
		461	unsigned long argp;
		462	anfd->handle = _get_osfhandle (fd);
		463	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
		464	}
		465	#endif
		466
312	anfd->reify = 0;	467	anfd->reify = 0;
313		468
314	method_modify (EV_A_ fd, anfd->events, events);	469	method_modify (EV_A_ fd, anfd->events, events);
315	anfd->events = events;	470	anfd->events = events;
316	}	471	}
…		…
319	}	474	}
320		475
321	static void	476	static void
322	fd_change (EV_P_ int fd)	477	fd_change (EV_P_ int fd)
323	{	478	{
324	if (anfds [fd].reify \|\| fdchangecnt < 0)	479	if (expect_false (anfds [fd].reify))
325	return;	480	return;
326		481
327	anfds [fd].reify = 1;	482	anfds [fd].reify = 1;
328		483
329	++fdchangecnt;	484	++fdchangecnt;
330	array_needsize (fdchanges, fdchangemax, fdchangecnt, );	485	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
331	fdchanges [fdchangecnt - 1] = fd;	486	fdchanges [fdchangecnt - 1] = fd;
332	}	487	}
333		488
334	static void	489	static void
335	fd_kill (EV_P_ int fd)	490	fd_kill (EV_P_ int fd)
…		…
337	struct ev_io *w;	492	struct ev_io *w;
338		493
339	while ((w = (struct ev_io *)anfds [fd].head))	494	while ((w = (struct ev_io *)anfds [fd].head))
340	{	495	{
341	ev_io_stop (EV_A_ w);	496	ev_io_stop (EV_A_ w);
342	event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	497	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
343	}	498	}
		499	}
		500
		501	inline int
		502	fd_valid (int fd)
		503	{
		504	#ifdef _WIN32
		505	return _get_osfhandle (fd) != -1;
		506	#else
		507	return fcntl (fd, F_GETFD) != -1;
		508	#endif
344	}	509	}
345		510
346	/* called on EBADF to verify fds */	511	/* called on EBADF to verify fds */
347	static void	512	static void
348	fd_ebadf (EV_P)	513	fd_ebadf (EV_P)
349	{	514	{
350	int fd;	515	int fd;
351		516
352	for (fd = 0; fd < anfdmax; ++fd)	517	for (fd = 0; fd < anfdmax; ++fd)
353	if (anfds [fd].events)	518	if (anfds [fd].events)
354	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)	519	if (!fd_valid (fd) == -1 && errno == EBADF)
355	fd_kill (EV_A_ fd);	520	fd_kill (EV_A_ fd);
356	}	521	}
357		522
358	/* called on ENOMEM in select/poll to kill some fds and retry */	523	/* called on ENOMEM in select/poll to kill some fds and retry */
359	static void	524	static void
…		…
362	int fd;	527	int fd;
363		528
364	for (fd = anfdmax; fd--; )	529	for (fd = anfdmax; fd--; )
365	if (anfds [fd].events)	530	if (anfds [fd].events)
366	{	531	{
367	close (fd);
368	fd_kill (EV_A_ fd);	532	fd_kill (EV_A_ fd);
369	return;	533	return;
370	}	534	}
371	}	535	}
372		536
373	/* susually called after fork if method needs to re-arm all fds from scratch */	537	/* usually called after fork if method needs to re-arm all fds from scratch */
374	static void	538	static void
375	fd_rearm_all (EV_P)	539	fd_rearm_all (EV_P)
376	{	540	{
377	int fd;	541	int fd;
378		542
…		…
426		590
427	heap [k] = w;	591	heap [k] = w;
428	((W)heap [k])->active = k + 1;	592	((W)heap [k])->active = k + 1;
429	}	593	}
430		594
		595	inline void
		596	adjustheap (WT *heap, int N, int k)
		597	{
		598	upheap (heap, k);
		599	downheap (heap, N, k);
		600	}
		601
431	/*****************************************************************************/	602	/*****************************************************************************/
432		603
433	typedef struct	604	typedef struct
434	{	605	{
435	struct ev_watcher_list *head;	606	WL head;
436	sig_atomic_t volatile gotsig;	607	sig_atomic_t volatile gotsig;
437	} ANSIG;	608	} ANSIG;
438		609
439	static ANSIG *signals;	610	static ANSIG *signals;
440	static int signalmax;	611	static int signalmax;
…		…
456	}	627	}
457		628
458	static void	629	static void
459	sighandler (int signum)	630	sighandler (int signum)
460	{	631	{
		632	#if _WIN32
		633	signal (signum, sighandler);
		634	#endif
		635
461	signals [signum - 1].gotsig = 1;	636	signals [signum - 1].gotsig = 1;
462		637
463	if (!gotsig)	638	if (!gotsig)
464	{	639	{
465	int old_errno = errno;	640	int old_errno = errno;
…		…
467	write (sigpipe [1], &signum, 1);	642	write (sigpipe [1], &signum, 1);
468	errno = old_errno;	643	errno = old_errno;
469	}	644	}
470	}	645	}
471		646
		647	void
		648	ev_feed_signal_event (EV_P_ int signum)
		649	{
		650	WL w;
		651
		652	#if EV_MULTIPLICITY
		653	assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
		654	#endif
		655
		656	--signum;
		657
		658	if (signum < 0 \|\| signum >= signalmax)
		659	return;
		660
		661	signals [signum].gotsig = 0;
		662
		663	for (w = signals [signum].head; w; w = w->next)
		664	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
		665	}
		666
472	static void	667	static void
473	sigcb (EV_P_ struct ev_io *iow, int revents)	668	sigcb (EV_P_ struct ev_io *iow, int revents)
474	{	669	{
475	struct ev_watcher_list *w;
476	int signum;	670	int signum;
477		671
478	read (sigpipe [0], &revents, 1);	672	read (sigpipe [0], &revents, 1);
479	gotsig = 0;	673	gotsig = 0;
480		674
481	for (signum = signalmax; signum--; )	675	for (signum = signalmax; signum--; )
482	if (signals [signum].gotsig)	676	if (signals [signum].gotsig)
483	{	677	ev_feed_signal_event (EV_A_ signum + 1);
484	signals [signum].gotsig = 0;	678	}
485		679
486	for (w = signals [signum].head; w; w = w->next)	680	static void
487	event (EV_A_ (W)w, EV_SIGNAL);	681	fd_intern (int fd)
488	}	682	{
		683	#ifdef _WIN32
		684	int arg = 1;
		685	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
		686	#else
		687	fcntl (fd, F_SETFD, FD_CLOEXEC);
		688	fcntl (fd, F_SETFL, O_NONBLOCK);
		689	#endif
489	}	690	}
490		691
491	static void	692	static void
492	siginit (EV_P)	693	siginit (EV_P)
493	{	694	{
494	#ifndef WIN32	695	fd_intern (sigpipe [0]);
495	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	696	fd_intern (sigpipe [1]);
496	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
497
498	/* rather than sort out wether we really need nb, set it */
499	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
500	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
501	#endif
502		697
503	ev_io_set (&sigev, sigpipe [0], EV_READ);	698	ev_io_set (&sigev, sigpipe [0], EV_READ);
504	ev_io_start (EV_A_ &sigev);	699	ev_io_start (EV_A_ &sigev);
505	ev_unref (EV_A); /* child watcher should not keep loop alive */	700	ev_unref (EV_A); /* child watcher should not keep loop alive */
506	}	701	}
507		702
508	/*****************************************************************************/	703	/*****************************************************************************/
509		704
510	#ifndef WIN32
511
512	static struct ev_child *childs [PID_HASHSIZE];	705	static struct ev_child *childs [PID_HASHSIZE];
		706
		707	#ifndef _WIN32
		708
513	static struct ev_signal childev;	709	static struct ev_signal childev;
514		710
515	#ifndef WCONTINUED	711	#ifndef WCONTINUED
516	# define WCONTINUED 0	712	# define WCONTINUED 0
517	#endif	713	#endif
…		…
525	if (w->pid == pid \|\| !w->pid)	721	if (w->pid == pid \|\| !w->pid)
526	{	722	{
527	ev_priority (w) = ev_priority (sw); /* need to do it now */	723	ev_priority (w) = ev_priority (sw); /* need to do it now */
528	w->rpid = pid;	724	w->rpid = pid;
529	w->rstatus = status;	725	w->rstatus = status;
530	event (EV_A_ (W)w, EV_CHILD);	726	ev_feed_event (EV_A_ (W)w, EV_CHILD);
531	}	727	}
532	}	728	}
533		729
534	static void	730	static void
535	childcb (EV_P_ struct ev_signal *sw, int revents)	731	childcb (EV_P_ struct ev_signal *sw, int revents)
…		…
537	int pid, status;	733	int pid, status;
538		734
539	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))	735	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
540	{	736	{
541	/* make sure we are called again until all childs have been reaped */	737	/* make sure we are called again until all childs have been reaped */
542	event (EV_A_ (W)sw, EV_SIGNAL);	738	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
543		739
544	child_reap (EV_A_ sw, pid, pid, status);	740	child_reap (EV_A_ sw, pid, pid, status);
545	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */	741	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
546	}	742	}
547	}	743	}
548		744
549	#endif	745	#endif
550		746
551	/*****************************************************************************/	747	/*****************************************************************************/
552		748
		749	#if EV_USE_PORT
		750	# include "ev_port.c"
		751	#endif
553	#if EV_USE_KQUEUE	752	#if EV_USE_KQUEUE
554	# include "ev_kqueue.c"	753	# include "ev_kqueue.c"
555	#endif	754	#endif
556	#if EV_USE_EPOLL	755	#if EV_USE_EPOLL
557	# include "ev_epoll.c"	756	# include "ev_epoll.c"
…		…
577		776
578	/* return true if we are running with elevated privileges and should ignore env variables */	777	/* return true if we are running with elevated privileges and should ignore env variables */
579	static int	778	static int
580	enable_secure (void)	779	enable_secure (void)
581	{	780	{
582	#ifdef WIN32	781	#ifdef _WIN32
583	return 0;	782	return 0;
584	#else	783	#else
585	return getuid () != geteuid ()	784	return getuid () != geteuid ()
586	\|\| getgid () != getegid ();	785	\|\| getgid () != getegid ();
587	#endif	786	#endif
588	}	787	}
589		788
590	int	789	unsigned int
591	ev_method (EV_P)	790	ev_method (EV_P)
592	{	791	{
593	return method;	792	return method;
594	}	793	}
595		794
596	static void	795	static void
597	loop_init (EV_P_ int methods)	796	loop_init (EV_P_ unsigned int flags)
598	{	797	{
599	if (!method)	798	if (!method)
600	{	799	{
601	#if EV_USE_MONOTONIC	800	#if EV_USE_MONOTONIC
602	{	801	{
…		…
604	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	803	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
605	have_monotonic = 1;	804	have_monotonic = 1;
606	}	805	}
607	#endif	806	#endif
608		807
609	rt_now = ev_time ();	808	ev_rt_now = ev_time ();
610	mn_now = get_clock ();	809	mn_now = get_clock ();
611	now_floor = mn_now;	810	now_floor = mn_now;
612	rtmn_diff = rt_now - mn_now;	811	rtmn_diff = ev_rt_now - mn_now;
613		812
614	if (methods == EVMETHOD_AUTO)	813	if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS"))
615	if (!enable_secure () && getenv ("LIBEV_METHODS"))
616	methods = atoi (getenv ("LIBEV_METHODS"));	814	flags = atoi (getenv ("LIBEV_FLAGS"));
617	else	815
618	methods = EVMETHOD_ANY;	816	if (!(flags & 0x0000ffff))
		817	flags \|= 0x0000ffff;
619		818
620	method = 0;	819	method = 0;
621	#if EV_USE_WIN32	820	#if EV_USE_PORT
622	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);	821	if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags);
623	#endif	822	#endif
624	#if EV_USE_KQUEUE	823	#if EV_USE_KQUEUE
625	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	824	if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags);
626	#endif	825	#endif
627	#if EV_USE_EPOLL	826	#if EV_USE_EPOLL
628	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	827	if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags);
629	#endif	828	#endif
630	#if EV_USE_POLL	829	#if EV_USE_POLL
631	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	830	if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags);
632	#endif	831	#endif
633	#if EV_USE_SELECT	832	#if EV_USE_SELECT
634	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	833	if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags);
635	#endif	834	#endif
636	}
637	}
638		835
639	void	836	ev_init (&sigev, sigcb);
		837	ev_set_priority (&sigev, EV_MAXPRI);
		838	}
		839	}
		840
		841	static void
640	loop_destroy (EV_P)	842	loop_destroy (EV_P)
641	{	843	{
642	int i;	844	int i;
643		845
644	#if EV_USE_WIN32	846	#if EV_USE_PORT
645	if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);	847	if (method == EVMETHOD_PORT ) port_destroy (EV_A);
646	#endif	848	#endif
647	#if EV_USE_KQUEUE	849	#if EV_USE_KQUEUE
648	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);	850	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
649	#endif	851	#endif
650	#if EV_USE_EPOLL	852	#if EV_USE_EPOLL
…		…
658	#endif	860	#endif
659		861
660	for (i = NUMPRI; i--; )	862	for (i = NUMPRI; i--; )
661	array_free (pending, [i]);	863	array_free (pending, [i]);
662		864
		865	/* have to use the microsoft-never-gets-it-right macro */
663	array_free (fdchange, );	866	array_free (fdchange, EMPTY0);
664	array_free (timer, );	867	array_free (timer, EMPTY0);
		868	#if EV_PERIODICS
665	array_free (periodic, );	869	array_free (periodic, EMPTY0);
		870	#endif
666	array_free (idle, );	871	array_free (idle, EMPTY0);
667	array_free (prepare, );	872	array_free (prepare, EMPTY0);
668	array_free (check, );	873	array_free (check, EMPTY0);
669		874
670	method = 0;	875	method = 0;
671	/TODO/
672	}	876	}
673		877
674	void	878	static void
675	loop_fork (EV_P)	879	loop_fork (EV_P)
676	{	880	{
677	/TODO/	881	#if EV_USE_PORT
		882	if (method == EVMETHOD_PORT ) port_fork (EV_A);
		883	#endif
		884	#if EV_USE_KQUEUE
		885	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
		886	#endif
678	#if EV_USE_EPOLL	887	#if EV_USE_EPOLL
679	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);	888	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
680	#endif	889	#endif
681	#if EV_USE_KQUEUE	890
682	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);	891	if (ev_is_active (&sigev))
683	#endif	892	{
		893	/* default loop */
		894
		895	ev_ref (EV_A);
		896	ev_io_stop (EV_A_ &sigev);
		897	close (sigpipe [0]);
		898	close (sigpipe [1]);
		899
		900	while (pipe (sigpipe))
		901	syserr ("(libev) error creating pipe");
		902
		903	siginit (EV_A);
		904	}
		905
		906	postfork = 0;
684	}	907	}
685		908
686	#if EV_MULTIPLICITY	909	#if EV_MULTIPLICITY
687	struct ev_loop *	910	struct ev_loop *
688	ev_loop_new (int methods)	911	ev_loop_new (unsigned int flags)
689	{	912	{
690	struct ev_loop loop = (struct ev_loop )calloc (1, sizeof (struct ev_loop));	913	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
691		914
		915	memset (loop, 0, sizeof (struct ev_loop));
		916
692	loop_init (EV_A_ methods);	917	loop_init (EV_A_ flags);
693		918
694	if (ev_method (EV_A))	919	if (ev_method (EV_A))
695	return loop;	920	return loop;
696		921
697	return 0;	922	return 0;
…		…
699		924
700	void	925	void
701	ev_loop_destroy (EV_P)	926	ev_loop_destroy (EV_P)
702	{	927	{
703	loop_destroy (EV_A);	928	loop_destroy (EV_A);
704	free (loop);	929	ev_free (loop);
705	}	930	}
706		931
707	void	932	void
708	ev_loop_fork (EV_P)	933	ev_loop_fork (EV_P)
709	{	934	{
710	loop_fork (EV_A);	935	postfork = 1;
711	}	936	}
712		937
713	#endif	938	#endif
714		939
715	#if EV_MULTIPLICITY	940	#if EV_MULTIPLICITY
716	struct ev_loop default_loop_struct;
717	static struct ev_loop *default_loop;
718
719	struct ev_loop *	941	struct ev_loop *
		942	ev_default_loop_init (unsigned int flags)
720	#else	943	#else
721	static int default_loop;
722
723	int	944	int
		945	ev_default_loop (unsigned int flags)
724	#endif	946	#endif
725	ev_default_loop (int methods)
726	{	947	{
727	if (sigpipe [0] == sigpipe [1])	948	if (sigpipe [0] == sigpipe [1])
728	if (pipe (sigpipe))	949	if (pipe (sigpipe))
729	return 0;	950	return 0;
730		951
731	if (!default_loop)	952	if (!ev_default_loop_ptr)
732	{	953	{
733	#if EV_MULTIPLICITY	954	#if EV_MULTIPLICITY
734	struct ev_loop *loop = default_loop = &default_loop_struct;	955	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
735	#else	956	#else
736	default_loop = 1;	957	ev_default_loop_ptr = 1;
737	#endif	958	#endif
738		959
739	loop_init (EV_A_ methods);	960	loop_init (EV_A_ flags);
740		961
741	if (ev_method (EV_A))	962	if (ev_method (EV_A))
742	{	963	{
743	ev_watcher_init (&sigev, sigcb);
744	ev_set_priority (&sigev, EV_MAXPRI);
745	siginit (EV_A);	964	siginit (EV_A);
746		965
747	#ifndef WIN32	966	#ifndef _WIN32
748	ev_signal_init (&childev, childcb, SIGCHLD);	967	ev_signal_init (&childev, childcb, SIGCHLD);
749	ev_set_priority (&childev, EV_MAXPRI);	968	ev_set_priority (&childev, EV_MAXPRI);
750	ev_signal_start (EV_A_ &childev);	969	ev_signal_start (EV_A_ &childev);
751	ev_unref (EV_A); /* child watcher should not keep loop alive */	970	ev_unref (EV_A); /* child watcher should not keep loop alive */
752	#endif	971	#endif
753	}	972	}
754	else	973	else
755	default_loop = 0;	974	ev_default_loop_ptr = 0;
756	}	975	}
757		976
758	return default_loop;	977	return ev_default_loop_ptr;
759	}	978	}
760		979
761	void	980	void
762	ev_default_destroy (void)	981	ev_default_destroy (void)
763	{	982	{
764	#if EV_MULTIPLICITY	983	#if EV_MULTIPLICITY
765	struct ev_loop *loop = default_loop;	984	struct ev_loop *loop = ev_default_loop_ptr;
766	#endif	985	#endif
767		986
		987	#ifndef _WIN32
768	ev_ref (EV_A); /* child watcher */	988	ev_ref (EV_A); /* child watcher */
769	ev_signal_stop (EV_A_ &childev);	989	ev_signal_stop (EV_A_ &childev);
		990	#endif
770		991
771	ev_ref (EV_A); /* signal watcher */	992	ev_ref (EV_A); /* signal watcher */
772	ev_io_stop (EV_A_ &sigev);	993	ev_io_stop (EV_A_ &sigev);
773		994
774	close (sigpipe [0]); sigpipe [0] = 0;	995	close (sigpipe [0]); sigpipe [0] = 0;
…		…
779		1000
780	void	1001	void
781	ev_default_fork (void)	1002	ev_default_fork (void)
782	{	1003	{
783	#if EV_MULTIPLICITY	1004	#if EV_MULTIPLICITY
784	struct ev_loop *loop = default_loop;	1005	struct ev_loop *loop = ev_default_loop_ptr;
785	#endif	1006	#endif
786		1007
787	loop_fork (EV_A);	1008	if (method)
788		1009	postfork = 1;
789	ev_io_stop (EV_A_ &sigev);
790	close (sigpipe [0]);
791	close (sigpipe [1]);
792	pipe (sigpipe);
793
794	ev_ref (EV_A); /* signal watcher */
795	siginit (EV_A);
796	}	1010	}
797		1011
798	/*****************************************************************************/	1012	/*****************************************************************************/
799		1013
800	static void	1014	static int
		1015	any_pending (EV_P)
		1016	{
		1017	int pri;
		1018
		1019	for (pri = NUMPRI; pri--; )
		1020	if (pendingcnt [pri])
		1021	return 1;
		1022
		1023	return 0;
		1024	}
		1025
		1026	inline void
801	call_pending (EV_P)	1027	call_pending (EV_P)
802	{	1028	{
803	int pri;	1029	int pri;
804		1030
805	for (pri = NUMPRI; pri--; )	1031	for (pri = NUMPRI; pri--; )
806	while (pendingcnt [pri])	1032	while (pendingcnt [pri])
807	{	1033	{
808	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1034	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
809		1035
810	if (p->w)	1036	if (expect_true (p->w))
811	{	1037	{
812	p->w->pending = 0;	1038	p->w->pending = 0;
813		1039	EV_CB_INVOKE (p->w, p->events);
814	((void (*)(EV_P_ W, int))p->w->cb) (EV_A_ p->w, p->events);
815	}	1040	}
816	}	1041	}
817	}	1042	}
818		1043
819	static void	1044	inline void
820	timers_reify (EV_P)	1045	timers_reify (EV_P)
821	{	1046	{
822	while (timercnt && ((WT)timers [0])->at <= mn_now)	1047	while (timercnt && ((WT)timers [0])->at <= mn_now)
823	{	1048	{
824	struct ev_timer *w = timers [0];	1049	struct ev_timer *w = timers [0];
…		…
827		1052
828	/* first reschedule or stop timer */	1053	/* first reschedule or stop timer */
829	if (w->repeat)	1054	if (w->repeat)
830	{	1055	{
831	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1056	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
		1057
832	((WT)w)->at = mn_now + w->repeat;	1058	((WT)w)->at += w->repeat;
		1059	if (((WT)w)->at < mn_now)
		1060	((WT)w)->at = mn_now;
		1061
833	downheap ((WT *)timers, timercnt, 0);	1062	downheap ((WT *)timers, timercnt, 0);
834	}	1063	}
835	else	1064	else
836	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1065	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
837		1066
838	event (EV_A_ (W)w, EV_TIMEOUT);	1067	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
839	}	1068	}
840	}	1069	}
841		1070
842	static void	1071	#if EV_PERIODICS
		1072	inline void
843	periodics_reify (EV_P)	1073	periodics_reify (EV_P)
844	{	1074	{
845	while (periodiccnt && ((WT)periodics [0])->at <= rt_now)	1075	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
846	{	1076	{
847	struct ev_periodic *w = periodics [0];	1077	struct ev_periodic *w = periodics [0];
848		1078
849	assert (("inactive timer on periodic heap detected", ev_is_active (w)));	1079	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
850		1080
851	/* first reschedule or stop timer */	1081	/* first reschedule or stop timer */
852	if (w->interval)	1082	if (w->reschedule_cb)
853	{	1083	{
		1084	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
		1085	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
		1086	downheap ((WT *)periodics, periodiccnt, 0);
		1087	}
		1088	else if (w->interval)
		1089	{
854	((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;	1090	((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
855	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now));	1091	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
856	downheap ((WT *)periodics, periodiccnt, 0);	1092	downheap ((WT *)periodics, periodiccnt, 0);
857	}	1093	}
858	else	1094	else
859	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1095	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
860		1096
861	event (EV_A_ (W)w, EV_PERIODIC);	1097	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
862	}	1098	}
863	}	1099	}
864		1100
865	static void	1101	static void
866	periodics_reschedule (EV_P)	1102	periodics_reschedule (EV_P)
…		…
870	/* adjust periodics after time jump */	1106	/* adjust periodics after time jump */
871	for (i = 0; i < periodiccnt; ++i)	1107	for (i = 0; i < periodiccnt; ++i)
872	{	1108	{
873	struct ev_periodic *w = periodics [i];	1109	struct ev_periodic *w = periodics [i];
874		1110
		1111	if (w->reschedule_cb)
		1112	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
875	if (w->interval)	1113	else if (w->interval)
876	{
877	ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;	1114	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
878
879	if (fabs (diff) >= 1e-4)
880	{
881	ev_periodic_stop (EV_A_ w);
882	ev_periodic_start (EV_A_ w);
883
884	i = 0; /* restart loop, inefficient, but time jumps should be rare */
885	}
886	}
887	}	1115	}
		1116
		1117	/* now rebuild the heap */
		1118	for (i = periodiccnt >> 1; i--; )
		1119	downheap ((WT *)periodics, periodiccnt, i);
888	}	1120	}
		1121	#endif
889		1122
890	inline int	1123	inline int
891	time_update_monotonic (EV_P)	1124	time_update_monotonic (EV_P)
892	{	1125	{
893	mn_now = get_clock ();	1126	mn_now = get_clock ();
894		1127
895	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1128	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
896	{	1129	{
897	rt_now = rtmn_diff + mn_now;	1130	ev_rt_now = rtmn_diff + mn_now;
898	return 0;	1131	return 0;
899	}	1132	}
900	else	1133	else
901	{	1134	{
902	now_floor = mn_now;	1135	now_floor = mn_now;
903	rt_now = ev_time ();	1136	ev_rt_now = ev_time ();
904	return 1;	1137	return 1;
905	}	1138	}
906	}	1139	}
907		1140
908	static void	1141	inline void
909	time_update (EV_P)	1142	time_update (EV_P)
910	{	1143	{
911	int i;	1144	int i;
912		1145
913	#if EV_USE_MONOTONIC	1146	#if EV_USE_MONOTONIC
…		…
917	{	1150	{
918	ev_tstamp odiff = rtmn_diff;	1151	ev_tstamp odiff = rtmn_diff;
919		1152
920	for (i = 4; --i; ) /* loop a few times, before making important decisions */	1153	for (i = 4; --i; ) /* loop a few times, before making important decisions */
921	{	1154	{
922	rtmn_diff = rt_now - mn_now;	1155	rtmn_diff = ev_rt_now - mn_now;
923		1156
924	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1157	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
925	return; /* all is well */	1158	return; /* all is well */
926		1159
927	rt_now = ev_time ();	1160	ev_rt_now = ev_time ();
928	mn_now = get_clock ();	1161	mn_now = get_clock ();
929	now_floor = mn_now;	1162	now_floor = mn_now;
930	}	1163	}
931		1164
		1165	# if EV_PERIODICS
932	periodics_reschedule (EV_A);	1166	periodics_reschedule (EV_A);
		1167	# endif
933	/* no timer adjustment, as the monotonic clock doesn't jump */	1168	/* no timer adjustment, as the monotonic clock doesn't jump */
934	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */	1169	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
935	}	1170	}
936	}	1171	}
937	else	1172	else
938	#endif	1173	#endif
939	{	1174	{
940	rt_now = ev_time ();	1175	ev_rt_now = ev_time ();
941		1176
942	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1177	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
943	{	1178	{
		1179	#if EV_PERIODICS
944	periodics_reschedule (EV_A);	1180	periodics_reschedule (EV_A);
		1181	#endif
945		1182
946	/* adjust timers. this is easy, as the offset is the same for all */	1183	/* adjust timers. this is easy, as the offset is the same for all */
947	for (i = 0; i < timercnt; ++i)	1184	for (i = 0; i < timercnt; ++i)
948	((WT)timers [i])->at += rt_now - mn_now;	1185	((WT)timers [i])->at += ev_rt_now - mn_now;
949	}	1186	}
950		1187
951	mn_now = rt_now;	1188	mn_now = ev_rt_now;
952	}	1189	}
953	}	1190	}
954		1191
955	void	1192	void
956	ev_ref (EV_P)	1193	ev_ref (EV_P)
…		…
970	ev_loop (EV_P_ int flags)	1207	ev_loop (EV_P_ int flags)
971	{	1208	{
972	double block;	1209	double block;
973	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1210	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
974		1211
975	do	1212	while (activecnt)
976	{	1213	{
977	/* queue check watchers (and execute them) */	1214	/* queue check watchers (and execute them) */
978	if (expect_false (preparecnt))	1215	if (expect_false (preparecnt))
979	{	1216	{
980	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1217	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
981	call_pending (EV_A);	1218	call_pending (EV_A);
982	}	1219	}
983		1220
		1221	/* we might have forked, so reify kernel state if necessary */
		1222	if (expect_false (postfork))
		1223	loop_fork (EV_A);
		1224
984	/* update fd-related kernel structures */	1225	/* update fd-related kernel structures */
985	fd_reify (EV_A);	1226	fd_reify (EV_A);
986		1227
987	/* calculate blocking time */	1228	/* calculate blocking time */
988		1229
989	/* we only need this for !monotonic clockor timers, but as we basically	1230	/* we only need this for !monotonic clock or timers, but as we basically
990	always have timers, we just calculate it always */	1231	always have timers, we just calculate it always */
991	#if EV_USE_MONOTONIC	1232	#if EV_USE_MONOTONIC
992	if (expect_true (have_monotonic))	1233	if (expect_true (have_monotonic))
993	time_update_monotonic (EV_A);	1234	time_update_monotonic (EV_A);
994	else	1235	else
995	#endif	1236	#endif
996	{	1237	{
997	rt_now = ev_time ();	1238	ev_rt_now = ev_time ();
998	mn_now = rt_now;	1239	mn_now = ev_rt_now;
999	}	1240	}
1000		1241
1001	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1242	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
1002	block = 0.;	1243	block = 0.;
1003	else	1244	else
…		…
1008	{	1249	{
1009	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;	1250	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
1010	if (block > to) block = to;	1251	if (block > to) block = to;
1011	}	1252	}
1012		1253
		1254	#if EV_PERIODICS
1013	if (periodiccnt)	1255	if (periodiccnt)
1014	{	1256	{
1015	ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;	1257	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
1016	if (block > to) block = to;	1258	if (block > to) block = to;
1017	}	1259	}
		1260	#endif
1018		1261
1019	if (block < 0.) block = 0.;	1262	if (expect_false (block < 0.)) block = 0.;
1020	}	1263	}
1021		1264
1022	method_poll (EV_A_ block);	1265	method_poll (EV_A_ block);
1023		1266
1024	/* update rt_now, do magic */	1267	/* update ev_rt_now, do magic */
1025	time_update (EV_A);	1268	time_update (EV_A);
1026		1269
1027	/* queue pending timers and reschedule them */	1270	/* queue pending timers and reschedule them */
1028	timers_reify (EV_A); /* relative timers called last */	1271	timers_reify (EV_A); /* relative timers called last */
		1272	#if EV_PERIODICS
1029	periodics_reify (EV_A); /* absolute timers called first */	1273	periodics_reify (EV_A); /* absolute timers called first */
		1274	#endif
1030		1275
1031	/* queue idle watchers unless io or timers are pending */	1276	/* queue idle watchers unless io or timers are pending */
1032	if (!pendingcnt)	1277	if (idlecnt && !any_pending (EV_A))
1033	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1278	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
1034		1279
1035	/* queue check watchers, to be executed first */	1280	/* queue check watchers, to be executed first */
1036	if (checkcnt)	1281	if (expect_false (checkcnt))
1037	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1282	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1038		1283
1039	call_pending (EV_A);	1284	call_pending (EV_A);
		1285
		1286	if (expect_false (loop_done))
		1287	break;
1040	}	1288	}
1041	while (activecnt && !loop_done);
1042		1289
1043	if (loop_done != 2)	1290	if (loop_done != 2)
1044	loop_done = 0;	1291	loop_done = 0;
1045	}	1292	}
1046		1293
…		…
1106	void	1353	void
1107	ev_io_start (EV_P_ struct ev_io *w)	1354	ev_io_start (EV_P_ struct ev_io *w)
1108	{	1355	{
1109	int fd = w->fd;	1356	int fd = w->fd;
1110		1357
1111	if (ev_is_active (w))	1358	if (expect_false (ev_is_active (w)))
1112	return;	1359	return;
1113		1360
1114	assert (("ev_io_start called with negative fd", fd >= 0));	1361	assert (("ev_io_start called with negative fd", fd >= 0));
1115		1362
1116	ev_start (EV_A_ (W)w, 1);	1363	ev_start (EV_A_ (W)w, 1);
1117	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	1364	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1118	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1365	wlist_add ((WL *)&anfds[fd].head, (WL)w);
1119		1366
1120	fd_change (EV_A_ fd);	1367	fd_change (EV_A_ fd);
1121	}	1368	}
1122		1369
1123	void	1370	void
1124	ev_io_stop (EV_P_ struct ev_io *w)	1371	ev_io_stop (EV_P_ struct ev_io *w)
1125	{	1372	{
1126	ev_clear_pending (EV_A_ (W)w);	1373	ev_clear_pending (EV_A_ (W)w);
1127	if (!ev_is_active (w))	1374	if (expect_false (!ev_is_active (w)))
1128	return;	1375	return;
		1376
		1377	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1129		1378
1130	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1379	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
1131	ev_stop (EV_A_ (W)w);	1380	ev_stop (EV_A_ (W)w);
1132		1381
1133	fd_change (EV_A_ w->fd);	1382	fd_change (EV_A_ w->fd);
1134	}	1383	}
1135		1384
1136	void	1385	void
1137	ev_timer_start (EV_P_ struct ev_timer *w)	1386	ev_timer_start (EV_P_ struct ev_timer *w)
1138	{	1387	{
1139	if (ev_is_active (w))	1388	if (expect_false (ev_is_active (w)))
1140	return;	1389	return;
1141		1390
1142	((WT)w)->at += mn_now;	1391	((WT)w)->at += mn_now;
1143		1392
1144	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1393	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1145		1394
1146	ev_start (EV_A_ (W)w, ++timercnt);	1395	ev_start (EV_A_ (W)w, ++timercnt);
1147	array_needsize (timers, timermax, timercnt, );	1396	array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2);
1148	timers [timercnt - 1] = w;	1397	timers [timercnt - 1] = w;
1149	upheap ((WT *)timers, timercnt - 1);	1398	upheap ((WT *)timers, timercnt - 1);
1150		1399
1151	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1400	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1152	}	1401	}
1153		1402
1154	void	1403	void
1155	ev_timer_stop (EV_P_ struct ev_timer *w)	1404	ev_timer_stop (EV_P_ struct ev_timer *w)
1156	{	1405	{
1157	ev_clear_pending (EV_A_ (W)w);	1406	ev_clear_pending (EV_A_ (W)w);
1158	if (!ev_is_active (w))	1407	if (expect_false (!ev_is_active (w)))
1159	return;	1408	return;
1160		1409
1161	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1410	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1162		1411
1163	if (((W)w)->active < timercnt--)	1412	if (expect_true (((W)w)->active < timercnt--))
1164	{	1413	{
1165	timers [((W)w)->active - 1] = timers [timercnt];	1414	timers [((W)w)->active - 1] = timers [timercnt];
1166	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1415	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1167	}	1416	}
1168		1417
1169	((WT)w)->at = w->repeat;	1418	((WT)w)->at -= mn_now;
1170		1419
1171	ev_stop (EV_A_ (W)w);	1420	ev_stop (EV_A_ (W)w);
1172	}	1421	}
1173		1422
1174	void	1423	void
…		…
1177	if (ev_is_active (w))	1426	if (ev_is_active (w))
1178	{	1427	{
1179	if (w->repeat)	1428	if (w->repeat)
1180	{	1429	{
1181	((WT)w)->at = mn_now + w->repeat;	1430	((WT)w)->at = mn_now + w->repeat;
1182	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1431	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1183	}	1432	}
1184	else	1433	else
1185	ev_timer_stop (EV_A_ w);	1434	ev_timer_stop (EV_A_ w);
1186	}	1435	}
1187	else if (w->repeat)	1436	else if (w->repeat)
		1437	{
		1438	w->at = w->repeat;
1188	ev_timer_start (EV_A_ w);	1439	ev_timer_start (EV_A_ w);
		1440	}
1189	}	1441	}
1190		1442
		1443	#if EV_PERIODICS
1191	void	1444	void
1192	ev_periodic_start (EV_P_ struct ev_periodic *w)	1445	ev_periodic_start (EV_P_ struct ev_periodic *w)
1193	{	1446	{
1194	if (ev_is_active (w))	1447	if (expect_false (ev_is_active (w)))
1195	return;	1448	return;
1196		1449
		1450	if (w->reschedule_cb)
		1451	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
		1452	else if (w->interval)
		1453	{
1197	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1454	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1198
1199	/* this formula differs from the one in periodic_reify because we do not always round up */	1455	/* this formula differs from the one in periodic_reify because we do not always round up */
1200	if (w->interval)
1201	((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;	1456	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
		1457	}
1202		1458
1203	ev_start (EV_A_ (W)w, ++periodiccnt);	1459	ev_start (EV_A_ (W)w, ++periodiccnt);
1204	array_needsize (periodics, periodicmax, periodiccnt, );	1460	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1205	periodics [periodiccnt - 1] = w;	1461	periodics [periodiccnt - 1] = w;
1206	upheap ((WT *)periodics, periodiccnt - 1);	1462	upheap ((WT *)periodics, periodiccnt - 1);
1207		1463
1208	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1464	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1209	}	1465	}
1210		1466
1211	void	1467	void
1212	ev_periodic_stop (EV_P_ struct ev_periodic *w)	1468	ev_periodic_stop (EV_P_ struct ev_periodic *w)
1213	{	1469	{
1214	ev_clear_pending (EV_A_ (W)w);	1470	ev_clear_pending (EV_A_ (W)w);
1215	if (!ev_is_active (w))	1471	if (expect_false (!ev_is_active (w)))
1216	return;	1472	return;
1217		1473
1218	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1474	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1219		1475
1220	if (((W)w)->active < periodiccnt--)	1476	if (expect_true (((W)w)->active < periodiccnt--))
1221	{	1477	{
1222	periodics [((W)w)->active - 1] = periodics [periodiccnt];	1478	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1223	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);	1479	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1224	}	1480	}
1225		1481
1226	ev_stop (EV_A_ (W)w);	1482	ev_stop (EV_A_ (W)w);
1227	}	1483	}
1228		1484
1229	void	1485	void
		1486	ev_periodic_again (EV_P_ struct ev_periodic *w)
		1487	{
		1488	/* TODO: use adjustheap and recalculation */
		1489	ev_periodic_stop (EV_A_ w);
		1490	ev_periodic_start (EV_A_ w);
		1491	}
		1492	#endif
		1493
		1494	void
1230	ev_idle_start (EV_P_ struct ev_idle *w)	1495	ev_idle_start (EV_P_ struct ev_idle *w)
1231	{	1496	{
1232	if (ev_is_active (w))	1497	if (expect_false (ev_is_active (w)))
1233	return;	1498	return;
1234		1499
1235	ev_start (EV_A_ (W)w, ++idlecnt);	1500	ev_start (EV_A_ (W)w, ++idlecnt);
1236	array_needsize (idles, idlemax, idlecnt, );	1501	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1237	idles [idlecnt - 1] = w;	1502	idles [idlecnt - 1] = w;
1238	}	1503	}
1239		1504
1240	void	1505	void
1241	ev_idle_stop (EV_P_ struct ev_idle *w)	1506	ev_idle_stop (EV_P_ struct ev_idle *w)
1242	{	1507	{
1243	ev_clear_pending (EV_A_ (W)w);	1508	ev_clear_pending (EV_A_ (W)w);
1244	if (ev_is_active (w))	1509	if (expect_false (!ev_is_active (w)))
1245	return;	1510	return;
1246		1511
1247	idles [((W)w)->active - 1] = idles [--idlecnt];	1512	idles [((W)w)->active - 1] = idles [--idlecnt];
1248	ev_stop (EV_A_ (W)w);	1513	ev_stop (EV_A_ (W)w);
1249	}	1514	}
1250		1515
1251	void	1516	void
1252	ev_prepare_start (EV_P_ struct ev_prepare *w)	1517	ev_prepare_start (EV_P_ struct ev_prepare *w)
1253	{	1518	{
1254	if (ev_is_active (w))	1519	if (expect_false (ev_is_active (w)))
1255	return;	1520	return;
1256		1521
1257	ev_start (EV_A_ (W)w, ++preparecnt);	1522	ev_start (EV_A_ (W)w, ++preparecnt);
1258	array_needsize (prepares, preparemax, preparecnt, );	1523	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1259	prepares [preparecnt - 1] = w;	1524	prepares [preparecnt - 1] = w;
1260	}	1525	}
1261		1526
1262	void	1527	void
1263	ev_prepare_stop (EV_P_ struct ev_prepare *w)	1528	ev_prepare_stop (EV_P_ struct ev_prepare *w)
1264	{	1529	{
1265	ev_clear_pending (EV_A_ (W)w);	1530	ev_clear_pending (EV_A_ (W)w);
1266	if (ev_is_active (w))	1531	if (expect_false (!ev_is_active (w)))
1267	return;	1532	return;
1268		1533
1269	prepares [((W)w)->active - 1] = prepares [--preparecnt];	1534	prepares [((W)w)->active - 1] = prepares [--preparecnt];
1270	ev_stop (EV_A_ (W)w);	1535	ev_stop (EV_A_ (W)w);
1271	}	1536	}
1272		1537
1273	void	1538	void
1274	ev_check_start (EV_P_ struct ev_check *w)	1539	ev_check_start (EV_P_ struct ev_check *w)
1275	{	1540	{
1276	if (ev_is_active (w))	1541	if (expect_false (ev_is_active (w)))
1277	return;	1542	return;
1278		1543
1279	ev_start (EV_A_ (W)w, ++checkcnt);	1544	ev_start (EV_A_ (W)w, ++checkcnt);
1280	array_needsize (checks, checkmax, checkcnt, );	1545	array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2);
1281	checks [checkcnt - 1] = w;	1546	checks [checkcnt - 1] = w;
1282	}	1547	}
1283		1548
1284	void	1549	void
1285	ev_check_stop (EV_P_ struct ev_check *w)	1550	ev_check_stop (EV_P_ struct ev_check *w)
1286	{	1551	{
1287	ev_clear_pending (EV_A_ (W)w);	1552	ev_clear_pending (EV_A_ (W)w);
1288	if (ev_is_active (w))	1553	if (expect_false (!ev_is_active (w)))
1289	return;	1554	return;
1290		1555
1291	checks [((W)w)->active - 1] = checks [--checkcnt];	1556	checks [((W)w)->active - 1] = checks [--checkcnt];
1292	ev_stop (EV_A_ (W)w);	1557	ev_stop (EV_A_ (W)w);
1293	}	1558	}
…		…
1298		1563
1299	void	1564	void
1300	ev_signal_start (EV_P_ struct ev_signal *w)	1565	ev_signal_start (EV_P_ struct ev_signal *w)
1301	{	1566	{
1302	#if EV_MULTIPLICITY	1567	#if EV_MULTIPLICITY
1303	assert (("signal watchers are only supported in the default loop", loop == default_loop));	1568	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1304	#endif	1569	#endif
1305	if (ev_is_active (w))	1570	if (expect_false (ev_is_active (w)))
1306	return;	1571	return;
1307		1572
1308	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1573	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1309		1574
1310	ev_start (EV_A_ (W)w, 1);	1575	ev_start (EV_A_ (W)w, 1);
1311	array_needsize (signals, signalmax, w->signum, signals_init);	1576	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1312	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1577	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1313		1578
1314	if (!((WL)w)->next)	1579	if (!((WL)w)->next)
1315	{	1580	{
		1581	#if _WIN32
		1582	signal (w->signum, sighandler);
		1583	#else
1316	struct sigaction sa;	1584	struct sigaction sa;
1317	sa.sa_handler = sighandler;	1585	sa.sa_handler = sighandler;
1318	sigfillset (&sa.sa_mask);	1586	sigfillset (&sa.sa_mask);
1319	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	1587	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1320	sigaction (w->signum, &sa, 0);	1588	sigaction (w->signum, &sa, 0);
		1589	#endif
1321	}	1590	}
1322	}	1591	}
1323		1592
1324	void	1593	void
1325	ev_signal_stop (EV_P_ struct ev_signal *w)	1594	ev_signal_stop (EV_P_ struct ev_signal *w)
1326	{	1595	{
1327	ev_clear_pending (EV_A_ (W)w);	1596	ev_clear_pending (EV_A_ (W)w);
1328	if (!ev_is_active (w))	1597	if (expect_false (!ev_is_active (w)))
1329	return;	1598	return;
1330		1599
1331	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1600	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1332	ev_stop (EV_A_ (W)w);	1601	ev_stop (EV_A_ (W)w);
1333		1602
…		…
1337		1606
1338	void	1607	void
1339	ev_child_start (EV_P_ struct ev_child *w)	1608	ev_child_start (EV_P_ struct ev_child *w)
1340	{	1609	{
1341	#if EV_MULTIPLICITY	1610	#if EV_MULTIPLICITY
1342	assert (("child watchers are only supported in the default loop", loop == default_loop));	1611	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1343	#endif	1612	#endif
1344	if (ev_is_active (w))	1613	if (expect_false (ev_is_active (w)))
1345	return;	1614	return;
1346		1615
1347	ev_start (EV_A_ (W)w, 1);	1616	ev_start (EV_A_ (W)w, 1);
1348	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1617	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1349	}	1618	}
1350		1619
1351	void	1620	void
1352	ev_child_stop (EV_P_ struct ev_child *w)	1621	ev_child_stop (EV_P_ struct ev_child *w)
1353	{	1622	{
1354	ev_clear_pending (EV_A_ (W)w);	1623	ev_clear_pending (EV_A_ (W)w);
1355	if (ev_is_active (w))	1624	if (expect_false (!ev_is_active (w)))
1356	return;	1625	return;
1357		1626
1358	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1627	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1359	ev_stop (EV_A_ (W)w);	1628	ev_stop (EV_A_ (W)w);
1360	}	1629	}
…		…
1375	void (cb)(int revents, void arg) = once->cb;	1644	void (cb)(int revents, void arg) = once->cb;
1376	void *arg = once->arg;	1645	void *arg = once->arg;
1377		1646
1378	ev_io_stop (EV_A_ &once->io);	1647	ev_io_stop (EV_A_ &once->io);
1379	ev_timer_stop (EV_A_ &once->to);	1648	ev_timer_stop (EV_A_ &once->to);
1380	free (once);	1649	ev_free (once);
1381		1650
1382	cb (revents, arg);	1651	cb (revents, arg);
1383	}	1652	}
1384		1653
1385	static void	1654	static void
…		…
1395	}	1664	}
1396		1665
1397	void	1666	void
1398	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1667	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1399	{	1668	{
1400	struct ev_once *once = malloc (sizeof (struct ev_once));	1669	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1401		1670
1402	if (!once)	1671	if (expect_false (!once))
		1672	{
1403	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1673	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1404	else	1674	return;
1405	{	1675	}
		1676
1406	once->cb = cb;	1677	once->cb = cb;
1407	once->arg = arg;	1678	once->arg = arg;
1408		1679
1409	ev_watcher_init (&once->io, once_cb_io);	1680	ev_init (&once->io, once_cb_io);
1410	if (fd >= 0)	1681	if (fd >= 0)
1411	{	1682	{
1412	ev_io_set (&once->io, fd, events);	1683	ev_io_set (&once->io, fd, events);
1413	ev_io_start (EV_A_ &once->io);	1684	ev_io_start (EV_A_ &once->io);
1414	}	1685	}
1415		1686
1416	ev_watcher_init (&once->to, once_cb_to);	1687	ev_init (&once->to, once_cb_to);
1417	if (timeout >= 0.)	1688	if (timeout >= 0.)
1418	{	1689	{
1419	ev_timer_set (&once->to, timeout, 0.);	1690	ev_timer_set (&once->to, timeout, 0.);
1420	ev_timer_start (EV_A_ &once->to);	1691	ev_timer_start (EV_A_ &once->to);
1421	}
1422	}	1692	}
1423	}	1693	}
1424		1694
		1695	#ifdef __cplusplus
		1696	}
		1697	#endif
		1698

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Comparing libev/ev.c (file contents): Revision 1.65 by root, Sun Nov 4 23:29:48 2007 UTC vs. Revision 1.127 by root, Sun Nov 18 02:17:57 2007 UTC

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Comparing libev/ev.c (file contents):
Revision 1.65 by root, Sun Nov 4 23:29:48 2007 UTC vs.
Revision 1.127 by root, Sun Nov 18 02:17:57 2007 UTC