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

Comparing libev/ev.c (file contents):
Revision 1.69 by root, Tue Nov 6 00:10:04 2007 UTC vs.
Revision 1.126 by root, Sun Nov 18 01:25:23 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
39	# if HAVE_SELECT && HAVE_SYS_SELECT_H	55	# if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT)
40	# define EV_USE_SELECT 1	56	# define EV_USE_SELECT 1
		57	# else
		58	# define EV_USE_SELECT 0
41	# endif	59	# endif
42		60
43	# if HAVE_POLL && HAVE_POLL_H	61	# if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL)
44	# define EV_USE_POLL 1	62	# define EV_USE_POLL 1
		63	# else
		64	# define EV_USE_POLL 0
45	# endif	65	# endif
46		66
47	# if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H	67	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL)
48	# define EV_USE_EPOLL 1	68	# define EV_USE_EPOLL 1
		69	# else
		70	# define EV_USE_EPOLL 0
49	# endif	71	# endif
50		72
51	# if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H	73	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE)
52	# define EV_USE_KQUEUE 1	74	# define EV_USE_KQUEUE 1
		75	# else
		76	# define EV_USE_KQUEUE 0
		77	# endif
		78
		79	# if HAVE_PORT_H && HAVE_PORT_CREATE && !defined (EV_USE_PORT)
		80	# define EV_USE_PORT 1
		81	# else
		82	# define EV_USE_PORT 0
53	# endif	83	# endif
54		84
55	#endif	85	#endif
56		86
57	#include <math.h>	87	#include <math.h>
58	#include <stdlib.h>	88	#include <stdlib.h>
59	#include <unistd.h>
60	#include <fcntl.h>	89	#include <fcntl.h>
61	#include <signal.h>
62	#include <stddef.h>	90	#include <stddef.h>
63		91
64	#include <stdio.h>	92	#include <stdio.h>
65		93
66	#include <assert.h>	94	#include <assert.h>
67	#include <errno.h>	95	#include <errno.h>
68	#include <sys/types.h>	96	#include <sys/types.h>
		97	#include <time.h>
		98
		99	#include <signal.h>
		100
69	#ifndef WIN32	101	#ifndef _WIN32
		102	# include <unistd.h>
		103	# include <sys/time.h>
70	# include <sys/wait.h>	104	# include <sys/wait.h>
		105	#else
		106	# define WIN32_LEAN_AND_MEAN
		107	# include <windows.h>
		108	# ifndef EV_SELECT_IS_WINSOCKET
		109	# define EV_SELECT_IS_WINSOCKET 1
71	#endif	110	# endif
72	#include <sys/time.h>	111	#endif
73	#include <time.h>
74		112
75	/**/	113	/**/
76		114
77	#ifndef EV_USE_MONOTONIC	115	#ifndef EV_USE_MONOTONIC
78	# define EV_USE_MONOTONIC 1	116	# define EV_USE_MONOTONIC 0
		117	#endif
		118
		119	#ifndef EV_USE_REALTIME
		120	# define EV_USE_REALTIME 0
79	#endif	121	#endif
80		122
81	#ifndef EV_USE_SELECT	123	#ifndef EV_USE_SELECT
82	# define EV_USE_SELECT 1	124	# define EV_USE_SELECT 1
83	#endif	125	#endif
84		126
85	#ifndef EV_USE_POLL	127	#ifndef EV_USE_POLL
86	# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */	128	# ifdef _WIN32
		129	# define EV_USE_POLL 0
		130	# else
		131	# define EV_USE_POLL 1
		132	# endif
87	#endif	133	#endif
88		134
89	#ifndef EV_USE_EPOLL	135	#ifndef EV_USE_EPOLL
90	# define EV_USE_EPOLL 0	136	# define EV_USE_EPOLL 0
91	#endif	137	#endif
92		138
93	#ifndef EV_USE_KQUEUE	139	#ifndef EV_USE_KQUEUE
94	# define EV_USE_KQUEUE 0	140	# define EV_USE_KQUEUE 0
95	#endif	141	#endif
96		142
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	143	#ifndef EV_USE_PORT
106	# define EV_USE_REALTIME 1	144	# define EV_USE_PORT 0
107	#endif	145	#endif
108		146
109	/**/	147	/**/
		148
		149	/* darwin simply cannot be helped */
		150	#ifdef __APPLE__
		151	# undef EV_USE_POLL
		152	# undef EV_USE_KQUEUE
		153	#endif
110		154
111	#ifndef CLOCK_MONOTONIC	155	#ifndef CLOCK_MONOTONIC
112	# undef EV_USE_MONOTONIC	156	# undef EV_USE_MONOTONIC
113	# define EV_USE_MONOTONIC 0	157	# define EV_USE_MONOTONIC 0
114	#endif	158	#endif
…		…
116	#ifndef CLOCK_REALTIME	160	#ifndef CLOCK_REALTIME
117	# undef EV_USE_REALTIME	161	# undef EV_USE_REALTIME
118	# define EV_USE_REALTIME 0	162	# define EV_USE_REALTIME 0
119	#endif	163	#endif
120		164
		165	#if EV_SELECT_IS_WINSOCKET
		166	# include <winsock.h>
		167	#endif
		168
121	/**/	169	/**/
122		170
123	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	171	#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) */	172	#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 */	173	#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 */	174	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds */
127		175
		176	#ifdef EV_H
		177	# include EV_H
		178	#else
128	#include "ev.h"	179	# include "ev.h"
		180	#endif
129		181
130	#if __GNUC__ >= 3	182	#if __GNUC__ >= 3
131	# define expect(expr,value) __builtin_expect ((expr),(value))	183	# define expect(expr,value) __builtin_expect ((expr),(value))
132	# define inline inline	184	# define inline static inline
133	#else	185	#else
134	# define expect(expr,value) (expr)	186	# define expect(expr,value) (expr)
135	# define inline static	187	# define inline static
136	#endif	188	#endif
137		189
…		…
139	#define expect_true(expr) expect ((expr) != 0, 1)	191	#define expect_true(expr) expect ((expr) != 0, 1)
140		192
141	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	193	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
142	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	194	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
143		195
		196	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
		197	#define EMPTY2(a,b) /* used to suppress some warnings */
		198
144	typedef struct ev_watcher *W;	199	typedef struct ev_watcher *W;
145	typedef struct ev_watcher_list *WL;	200	typedef struct ev_watcher_list *WL;
146	typedef struct ev_watcher_time *WT;	201	typedef struct ev_watcher_time *WT;
147		202
148	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	203	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
149		204
150	#if WIN32	205	#ifdef _WIN32
151	/* note: the comment below could not be substantiated, but what would I care */	206	# include "ev_win32.c"
152	/* MSDN says this is required to handle SIGFPE */
153	volatile double SIGFPE_REQ = 0.0f;
154	#endif	207	#endif
155		208
156	/*****************************************************************************/	209	/*****************************************************************************/
157		210
158	static void (*syserr_cb)(void);	211	static void (syserr_cb)(const char msg);
159		212
160	void ev_set_syserr_cb (void (*cb)(void))	213	void ev_set_syserr_cb (void (cb)(const char msg))
161	{	214	{
162	syserr_cb = cb;	215	syserr_cb = cb;
163	}	216	}
164		217
165	static void	218	static void
166	syserr (void)	219	syserr (const char *msg)
167	{	220	{
		221	if (!msg)
		222	msg = "(libev) system error";
		223
168	if (syserr_cb)	224	if (syserr_cb)
169	syserr_cb ();	225	syserr_cb (msg);
170	else	226	else
171	{	227	{
172	perror ("libev");	228	perror (msg);
173	abort ();	229	abort ();
174	}	230	}
175	}	231	}
176		232
177	static void (alloc)(void *ptr, long size);	233	static void (alloc)(void *ptr, long size);
…		…
203	typedef struct	259	typedef struct
204	{	260	{
205	WL head;	261	WL head;
206	unsigned char events;	262	unsigned char events;
207	unsigned char reify;	263	unsigned char reify;
		264	#if EV_SELECT_IS_WINSOCKET
		265	SOCKET handle;
		266	#endif
208	} ANFD;	267	} ANFD;
209		268
210	typedef struct	269	typedef struct
211	{	270	{
212	W w;	271	W w;
213	int events;	272	int events;
214	} ANPENDING;	273	} ANPENDING;
215		274
216	#if EV_MULTIPLICITY	275	#if EV_MULTIPLICITY
217		276
218	struct ev_loop	277	struct ev_loop
219	{	278	{
		279	ev_tstamp ev_rt_now;
		280	#define ev_rt_now ((loop)->ev_rt_now)
220	# define VAR(name,decl) decl;	281	#define VAR(name,decl) decl;
221	# include "ev_vars.h"	282	#include "ev_vars.h"
222	};
223	# undef VAR	283	#undef VAR
		284	};
224	# include "ev_wrap.h"	285	#include "ev_wrap.h"
		286
		287	static struct ev_loop default_loop_struct;
		288	struct ev_loop *ev_default_loop_ptr;
225		289
226	#else	290	#else
227		291
		292	ev_tstamp ev_rt_now;
228	# define VAR(name,decl) static decl;	293	#define VAR(name,decl) static decl;
229	# include "ev_vars.h"	294	#include "ev_vars.h"
230	# undef VAR	295	#undef VAR
		296
		297	static int ev_default_loop_ptr;
231		298
232	#endif	299	#endif
233		300
234	/*****************************************************************************/	301	/*****************************************************************************/
235		302
236	inline ev_tstamp	303	ev_tstamp
237	ev_time (void)	304	ev_time (void)
238	{	305	{
239	#if EV_USE_REALTIME	306	#if EV_USE_REALTIME
240	struct timespec ts;	307	struct timespec ts;
241	clock_gettime (CLOCK_REALTIME, &ts);	308	clock_gettime (CLOCK_REALTIME, &ts);
…		…
260	#endif	327	#endif
261		328
262	return ev_time ();	329	return ev_time ();
263	}	330	}
264		331
		332	#if EV_MULTIPLICITY
265	ev_tstamp	333	ev_tstamp
266	ev_now (EV_P)	334	ev_now (EV_P)
267	{	335	{
268	return rt_now;	336	return ev_rt_now;
269	}	337	}
		338	#endif
270		339
271	#define array_roundsize(base,n) ((n) \| 4 & ~3)	340	#define array_roundsize(type,n) (((n) \| 4) & ~3)
272		341
273	#define array_needsize(base,cur,cnt,init) \	342	#define array_needsize(type,base,cur,cnt,init) \
274	if (expect_false ((cnt) > cur)) \	343	if (expect_false ((cnt) > cur)) \
275	{ \	344	{ \
276	int newcnt = cur; \	345	int newcnt = cur; \
277	do \	346	do \
278	{ \	347	{ \
279	newcnt = array_roundsize (base, newcnt << 1); \	348	newcnt = array_roundsize (type, newcnt << 1); \
280	} \	349	} \
281	while ((cnt) > newcnt); \	350	while ((cnt) > newcnt); \
282	\	351	\
283	base = ev_realloc (base, sizeof (base) (newcnt)); \	352	base = (type )ev_realloc (base, sizeof (type) (newcnt));\
284	init (base + cur, newcnt - cur); \	353	init (base + cur, newcnt - cur); \
285	cur = newcnt; \	354	cur = newcnt; \
286	}	355	}
287		356
288	#define array_slim(stem) \	357	#define array_slim(type,stem) \
289	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	358	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
290	{ \	359	{ \
291	stem ## max = array_roundsize (stem ## cnt >> 1); \	360	stem ## max = array_roundsize (stem ## cnt >> 1); \
292	base = ev_realloc (base, sizeof (base) (stem ## max)); \	361	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
293	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\	362	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
294	}	363	}
295		364
296	#define array_free(stem, idx) \	365	#define array_free(stem, idx) \
297	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;	366	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
…		…
309		378
310	++base;	379	++base;
311	}	380	}
312	}	381	}
313		382
314	static void	383	void
315	event (EV_P_ W w, int events)	384	ev_feed_event (EV_P_ void *w, int revents)
316	{	385	{
317	if (w->pending)	386	W w_ = (W)w;
		387
		388	if (expect_false (w_->pending))
318	{	389	{
319	pendings [ABSPRI (w)][w->pending - 1].events \|= events;	390	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
320	return;	391	return;
321	}	392	}
322		393
323	w->pending = ++pendingcnt [ABSPRI (w)];	394	w_->pending = ++pendingcnt [ABSPRI (w_)];
324	array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], );	395	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
325	pendings [ABSPRI (w)][w->pending - 1].w = w;	396	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
326	pendings [ABSPRI (w)][w->pending - 1].events = events;	397	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
327	}	398	}
328		399
329	static void	400	static void
330	queue_events (EV_P_ W *events, int eventcnt, int type)	401	queue_events (EV_P_ W *events, int eventcnt, int type)
331	{	402	{
332	int i;	403	int i;
333		404
334	for (i = 0; i < eventcnt; ++i)	405	for (i = 0; i < eventcnt; ++i)
335	event (EV_A_ events [i], type);	406	ev_feed_event (EV_A_ events [i], type);
336	}	407	}
337		408
338	static void	409	inline void
339	fd_event (EV_P_ int fd, int events)	410	fd_event (EV_P_ int fd, int revents)
340	{	411	{
341	ANFD *anfd = anfds + fd;	412	ANFD *anfd = anfds + fd;
342	struct ev_io *w;	413	struct ev_io *w;
343		414
344	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	415	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
345	{	416	{
346	int ev = w->events & events;	417	int ev = w->events & revents;
347		418
348	if (ev)	419	if (ev)
349	event (EV_A_ (W)w, ev);	420	ev_feed_event (EV_A_ (W)w, ev);
350	}	421	}
		422	}
		423
		424	void
		425	ev_feed_fd_event (EV_P_ int fd, int revents)
		426	{
		427	fd_event (EV_A_ fd, revents);
351	}	428	}
352		429
353	/*****************************************************************************/	430	/*****************************************************************************/
354		431
355	static void	432	inline void
356	fd_reify (EV_P)	433	fd_reify (EV_P)
357	{	434	{
358	int i;	435	int i;
359		436
360	for (i = 0; i < fdchangecnt; ++i)	437	for (i = 0; i < fdchangecnt; ++i)
…		…
366	int events = 0;	443	int events = 0;
367		444
368	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	445	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
369	events \|= w->events;	446	events \|= w->events;
370		447
		448	#if EV_SELECT_IS_WINSOCKET
		449	if (events)
		450	{
		451	unsigned long argp;
		452	anfd->handle = _get_osfhandle (fd);
		453	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
		454	}
		455	#endif
		456
371	anfd->reify = 0;	457	anfd->reify = 0;
372		458
373	method_modify (EV_A_ fd, anfd->events, events);	459	method_modify (EV_A_ fd, anfd->events, events);
374	anfd->events = events;	460	anfd->events = events;
375	}	461	}
…		…
378	}	464	}
379		465
380	static void	466	static void
381	fd_change (EV_P_ int fd)	467	fd_change (EV_P_ int fd)
382	{	468	{
383	if (anfds [fd].reify \|\| fdchangecnt < 0)	469	if (expect_false (anfds [fd].reify))
384	return;	470	return;
385		471
386	anfds [fd].reify = 1;	472	anfds [fd].reify = 1;
387		473
388	++fdchangecnt;	474	++fdchangecnt;
389	array_needsize (fdchanges, fdchangemax, fdchangecnt, );	475	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
390	fdchanges [fdchangecnt - 1] = fd;	476	fdchanges [fdchangecnt - 1] = fd;
391	}	477	}
392		478
393	static void	479	static void
394	fd_kill (EV_P_ int fd)	480	fd_kill (EV_P_ int fd)
…		…
396	struct ev_io *w;	482	struct ev_io *w;
397		483
398	while ((w = (struct ev_io *)anfds [fd].head))	484	while ((w = (struct ev_io *)anfds [fd].head))
399	{	485	{
400	ev_io_stop (EV_A_ w);	486	ev_io_stop (EV_A_ w);
401	event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	487	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
402	}	488	}
		489	}
		490
		491	inline int
		492	fd_valid (int fd)
		493	{
		494	#ifdef _WIN32
		495	return _get_osfhandle (fd) != -1;
		496	#else
		497	return fcntl (fd, F_GETFD) != -1;
		498	#endif
403	}	499	}
404		500
405	/* called on EBADF to verify fds */	501	/* called on EBADF to verify fds */
406	static void	502	static void
407	fd_ebadf (EV_P)	503	fd_ebadf (EV_P)
408	{	504	{
409	int fd;	505	int fd;
410		506
411	for (fd = 0; fd < anfdmax; ++fd)	507	for (fd = 0; fd < anfdmax; ++fd)
412	if (anfds [fd].events)	508	if (anfds [fd].events)
413	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)	509	if (!fd_valid (fd) == -1 && errno == EBADF)
414	fd_kill (EV_A_ fd);	510	fd_kill (EV_A_ fd);
415	}	511	}
416		512
417	/* called on ENOMEM in select/poll to kill some fds and retry */	513	/* called on ENOMEM in select/poll to kill some fds and retry */
418	static void	514	static void
…		…
426	fd_kill (EV_A_ fd);	522	fd_kill (EV_A_ fd);
427	return;	523	return;
428	}	524	}
429	}	525	}
430		526
431	/* susually called after fork if method needs to re-arm all fds from scratch */	527	/* usually called after fork if method needs to re-arm all fds from scratch */
432	static void	528	static void
433	fd_rearm_all (EV_P)	529	fd_rearm_all (EV_P)
434	{	530	{
435	int fd;	531	int fd;
436		532
…		…
484		580
485	heap [k] = w;	581	heap [k] = w;
486	((W)heap [k])->active = k + 1;	582	((W)heap [k])->active = k + 1;
487	}	583	}
488		584
		585	inline void
		586	adjustheap (WT *heap, int N, int k)
		587	{
		588	upheap (heap, k);
		589	downheap (heap, N, k);
		590	}
		591
489	/*****************************************************************************/	592	/*****************************************************************************/
490		593
491	typedef struct	594	typedef struct
492	{	595	{
493	WL head;	596	WL head;
…		…
514	}	617	}
515		618
516	static void	619	static void
517	sighandler (int signum)	620	sighandler (int signum)
518	{	621	{
519	#if WIN32	622	#if _WIN32
520	signal (signum, sighandler);	623	signal (signum, sighandler);
521	#endif	624	#endif
522		625
523	signals [signum - 1].gotsig = 1;	626	signals [signum - 1].gotsig = 1;
524		627
…		…
529	write (sigpipe [1], &signum, 1);	632	write (sigpipe [1], &signum, 1);
530	errno = old_errno;	633	errno = old_errno;
531	}	634	}
532	}	635	}
533		636
		637	void
		638	ev_feed_signal_event (EV_P_ int signum)
		639	{
		640	WL w;
		641
		642	#if EV_MULTIPLICITY
		643	assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
		644	#endif
		645
		646	--signum;
		647
		648	if (signum < 0 \|\| signum >= signalmax)
		649	return;
		650
		651	signals [signum].gotsig = 0;
		652
		653	for (w = signals [signum].head; w; w = w->next)
		654	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
		655	}
		656
534	static void	657	static void
535	sigcb (EV_P_ struct ev_io *iow, int revents)	658	sigcb (EV_P_ struct ev_io *iow, int revents)
536	{	659	{
537	WL w;
538	int signum;	660	int signum;
539		661
540	read (sigpipe [0], &revents, 1);	662	read (sigpipe [0], &revents, 1);
541	gotsig = 0;	663	gotsig = 0;
542		664
543	for (signum = signalmax; signum--; )	665	for (signum = signalmax; signum--; )
544	if (signals [signum].gotsig)	666	if (signals [signum].gotsig)
545	{	667	ev_feed_signal_event (EV_A_ signum + 1);
546	signals [signum].gotsig = 0;	668	}
547		669
548	for (w = signals [signum].head; w; w = w->next)	670	static void
549	event (EV_A_ (W)w, EV_SIGNAL);	671	fd_intern (int fd)
550	}	672	{
		673	#ifdef _WIN32
		674	int arg = 1;
		675	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
		676	#else
		677	fcntl (fd, F_SETFD, FD_CLOEXEC);
		678	fcntl (fd, F_SETFL, O_NONBLOCK);
		679	#endif
551	}	680	}
552		681
553	static void	682	static void
554	siginit (EV_P)	683	siginit (EV_P)
555	{	684	{
556	#ifndef WIN32	685	fd_intern (sigpipe [0]);
557	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	686	fd_intern (sigpipe [1]);
558	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
559
560	/* rather than sort out wether we really need nb, set it */
561	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
562	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
563	#endif
564		687
565	ev_io_set (&sigev, sigpipe [0], EV_READ);	688	ev_io_set (&sigev, sigpipe [0], EV_READ);
566	ev_io_start (EV_A_ &sigev);	689	ev_io_start (EV_A_ &sigev);
567	ev_unref (EV_A); /* child watcher should not keep loop alive */	690	ev_unref (EV_A); /* child watcher should not keep loop alive */
568	}	691	}
569		692
570	/*****************************************************************************/	693	/*****************************************************************************/
571		694
572	#ifndef WIN32
573
574	static struct ev_child *childs [PID_HASHSIZE];	695	static struct ev_child *childs [PID_HASHSIZE];
		696
		697	#ifndef _WIN32
		698
575	static struct ev_signal childev;	699	static struct ev_signal childev;
576		700
577	#ifndef WCONTINUED	701	#ifndef WCONTINUED
578	# define WCONTINUED 0	702	# define WCONTINUED 0
579	#endif	703	#endif
…		…
587	if (w->pid == pid \|\| !w->pid)	711	if (w->pid == pid \|\| !w->pid)
588	{	712	{
589	ev_priority (w) = ev_priority (sw); /* need to do it now */	713	ev_priority (w) = ev_priority (sw); /* need to do it now */
590	w->rpid = pid;	714	w->rpid = pid;
591	w->rstatus = status;	715	w->rstatus = status;
592	event (EV_A_ (W)w, EV_CHILD);	716	ev_feed_event (EV_A_ (W)w, EV_CHILD);
593	}	717	}
594	}	718	}
595		719
596	static void	720	static void
597	childcb (EV_P_ struct ev_signal *sw, int revents)	721	childcb (EV_P_ struct ev_signal *sw, int revents)
…		…
599	int pid, status;	723	int pid, status;
600		724
601	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))	725	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
602	{	726	{
603	/* make sure we are called again until all childs have been reaped */	727	/* make sure we are called again until all childs have been reaped */
604	event (EV_A_ (W)sw, EV_SIGNAL);	728	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
605		729
606	child_reap (EV_A_ sw, pid, pid, status);	730	child_reap (EV_A_ sw, pid, pid, status);
607	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */	731	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
608	}	732	}
609	}	733	}
610		734
611	#endif	735	#endif
612		736
613	/*****************************************************************************/	737	/*****************************************************************************/
614		738
		739	#if EV_USE_PORT
		740	# include "ev_port.c"
		741	#endif
615	#if EV_USE_KQUEUE	742	#if EV_USE_KQUEUE
616	# include "ev_kqueue.c"	743	# include "ev_kqueue.c"
617	#endif	744	#endif
618	#if EV_USE_EPOLL	745	#if EV_USE_EPOLL
619	# include "ev_epoll.c"	746	# include "ev_epoll.c"
…		…
639		766
640	/* return true if we are running with elevated privileges and should ignore env variables */	767	/* return true if we are running with elevated privileges and should ignore env variables */
641	static int	768	static int
642	enable_secure (void)	769	enable_secure (void)
643	{	770	{
644	#ifdef WIN32	771	#ifdef _WIN32
645	return 0;	772	return 0;
646	#else	773	#else
647	return getuid () != geteuid ()	774	return getuid () != geteuid ()
648	\|\| getgid () != getegid ();	775	\|\| getgid () != getegid ();
649	#endif	776	#endif
650	}	777	}
651		778
652	int	779	unsigned int
653	ev_method (EV_P)	780	ev_method (EV_P)
654	{	781	{
655	return method;	782	return method;
656	}	783	}
657		784
658	static void	785	static void
659	loop_init (EV_P_ int methods)	786	loop_init (EV_P_ unsigned int flags)
660	{	787	{
661	if (!method)	788	if (!method)
662	{	789	{
663	#if EV_USE_MONOTONIC	790	#if EV_USE_MONOTONIC
664	{	791	{
…		…
666	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	793	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
667	have_monotonic = 1;	794	have_monotonic = 1;
668	}	795	}
669	#endif	796	#endif
670		797
671	rt_now = ev_time ();	798	ev_rt_now = ev_time ();
672	mn_now = get_clock ();	799	mn_now = get_clock ();
673	now_floor = mn_now;	800	now_floor = mn_now;
674	rtmn_diff = rt_now - mn_now;	801	rtmn_diff = ev_rt_now - mn_now;
675		802
676	if (methods == EVMETHOD_AUTO)	803	if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS"))
677	if (!enable_secure () && getenv ("LIBEV_METHODS"))
678	methods = atoi (getenv ("LIBEV_METHODS"));	804	flags = atoi (getenv ("LIBEV_FLAGS"));
679	else	805
680	methods = EVMETHOD_ANY;	806	if (!(flags & 0x0000ffff))
		807	flags \|= 0x0000ffff;
681		808
682	method = 0;	809	method = 0;
683	#if EV_USE_WIN32	810	#if EV_USE_PORT
684	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);	811	if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags);
685	#endif	812	#endif
686	#if EV_USE_KQUEUE	813	#if EV_USE_KQUEUE
687	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	814	if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags);
688	#endif	815	#endif
689	#if EV_USE_EPOLL	816	#if EV_USE_EPOLL
690	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	817	if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags);
691	#endif	818	#endif
692	#if EV_USE_POLL	819	#if EV_USE_POLL
693	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	820	if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags);
694	#endif	821	#endif
695	#if EV_USE_SELECT	822	#if EV_USE_SELECT
696	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	823	if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags);
697	#endif	824	#endif
698	}
699	}
700		825
701	void	826	ev_init (&sigev, sigcb);
		827	ev_set_priority (&sigev, EV_MAXPRI);
		828	}
		829	}
		830
		831	static void
702	loop_destroy (EV_P)	832	loop_destroy (EV_P)
703	{	833	{
704	int i;	834	int i;
705		835
706	#if EV_USE_WIN32	836	#if EV_USE_PORT
707	if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);	837	if (method == EVMETHOD_PORT ) port_destroy (EV_A);
708	#endif	838	#endif
709	#if EV_USE_KQUEUE	839	#if EV_USE_KQUEUE
710	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);	840	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
711	#endif	841	#endif
712	#if EV_USE_EPOLL	842	#if EV_USE_EPOLL
…		…
720	#endif	850	#endif
721		851
722	for (i = NUMPRI; i--; )	852	for (i = NUMPRI; i--; )
723	array_free (pending, [i]);	853	array_free (pending, [i]);
724		854
		855	/* have to use the microsoft-never-gets-it-right macro */
725	array_free (fdchange, );	856	array_free (fdchange, EMPTY0);
726	array_free (timer, );	857	array_free (timer, EMPTY0);
		858	#if EV_PERIODICS
727	array_free (periodic, );	859	array_free (periodic, EMPTY0);
		860	#endif
728	array_free (idle, );	861	array_free (idle, EMPTY0);
729	array_free (prepare, );	862	array_free (prepare, EMPTY0);
730	array_free (check, );	863	array_free (check, EMPTY0);
731		864
732	method = 0;	865	method = 0;
733	/TODO/
734	}	866	}
735		867
736	void	868	static void
737	loop_fork (EV_P)	869	loop_fork (EV_P)
738	{	870	{
739	/TODO/	871	#if EV_USE_PORT
		872	if (method == EVMETHOD_PORT ) port_fork (EV_A);
		873	#endif
		874	#if EV_USE_KQUEUE
		875	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
		876	#endif
740	#if EV_USE_EPOLL	877	#if EV_USE_EPOLL
741	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);	878	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
742	#endif	879	#endif
743	#if EV_USE_KQUEUE	880
744	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);	881	if (ev_is_active (&sigev))
745	#endif	882	{
		883	/* default loop */
		884
		885	ev_ref (EV_A);
		886	ev_io_stop (EV_A_ &sigev);
		887	close (sigpipe [0]);
		888	close (sigpipe [1]);
		889
		890	while (pipe (sigpipe))
		891	syserr ("(libev) error creating pipe");
		892
		893	siginit (EV_A);
		894	}
		895
		896	postfork = 0;
746	}	897	}
747		898
748	#if EV_MULTIPLICITY	899	#if EV_MULTIPLICITY
749	struct ev_loop *	900	struct ev_loop *
750	ev_loop_new (int methods)	901	ev_loop_new (unsigned int flags)
751	{	902	{
752	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));	903	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
753		904
754	memset (loop, 0, sizeof (struct ev_loop));	905	memset (loop, 0, sizeof (struct ev_loop));
755		906
756	loop_init (EV_A_ methods);	907	loop_init (EV_A_ flags);
757		908
758	if (ev_method (EV_A))	909	if (ev_method (EV_A))
759	return loop;	910	return loop;
760		911
761	return 0;	912	return 0;
…		…
769	}	920	}
770		921
771	void	922	void
772	ev_loop_fork (EV_P)	923	ev_loop_fork (EV_P)
773	{	924	{
774	loop_fork (EV_A);	925	postfork = 1;
775	}	926	}
776		927
777	#endif	928	#endif
778		929
779	#if EV_MULTIPLICITY	930	#if EV_MULTIPLICITY
780	struct ev_loop default_loop_struct;
781	static struct ev_loop *default_loop;
782
783	struct ev_loop *	931	struct ev_loop *
		932	ev_default_loop_init (unsigned int flags)
784	#else	933	#else
785	static int default_loop;
786
787	int	934	int
		935	ev_default_loop (unsigned int flags)
788	#endif	936	#endif
789	ev_default_loop (int methods)
790	{	937	{
791	if (sigpipe [0] == sigpipe [1])	938	if (sigpipe [0] == sigpipe [1])
792	if (pipe (sigpipe))	939	if (pipe (sigpipe))
793	return 0;	940	return 0;
794		941
795	if (!default_loop)	942	if (!ev_default_loop_ptr)
796	{	943	{
797	#if EV_MULTIPLICITY	944	#if EV_MULTIPLICITY
798	struct ev_loop *loop = default_loop = &default_loop_struct;	945	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
799	#else	946	#else
800	default_loop = 1;	947	ev_default_loop_ptr = 1;
801	#endif	948	#endif
802		949
803	loop_init (EV_A_ methods);	950	loop_init (EV_A_ flags);
804		951
805	if (ev_method (EV_A))	952	if (ev_method (EV_A))
806	{	953	{
807	ev_watcher_init (&sigev, sigcb);
808	ev_set_priority (&sigev, EV_MAXPRI);
809	siginit (EV_A);	954	siginit (EV_A);
810		955
811	#ifndef WIN32	956	#ifndef _WIN32
812	ev_signal_init (&childev, childcb, SIGCHLD);	957	ev_signal_init (&childev, childcb, SIGCHLD);
813	ev_set_priority (&childev, EV_MAXPRI);	958	ev_set_priority (&childev, EV_MAXPRI);
814	ev_signal_start (EV_A_ &childev);	959	ev_signal_start (EV_A_ &childev);
815	ev_unref (EV_A); /* child watcher should not keep loop alive */	960	ev_unref (EV_A); /* child watcher should not keep loop alive */
816	#endif	961	#endif
817	}	962	}
818	else	963	else
819	default_loop = 0;	964	ev_default_loop_ptr = 0;
820	}	965	}
821		966
822	return default_loop;	967	return ev_default_loop_ptr;
823	}	968	}
824		969
825	void	970	void
826	ev_default_destroy (void)	971	ev_default_destroy (void)
827	{	972	{
828	#if EV_MULTIPLICITY	973	#if EV_MULTIPLICITY
829	struct ev_loop *loop = default_loop;	974	struct ev_loop *loop = ev_default_loop_ptr;
830	#endif	975	#endif
831		976
		977	#ifndef _WIN32
832	ev_ref (EV_A); /* child watcher */	978	ev_ref (EV_A); /* child watcher */
833	ev_signal_stop (EV_A_ &childev);	979	ev_signal_stop (EV_A_ &childev);
		980	#endif
834		981
835	ev_ref (EV_A); /* signal watcher */	982	ev_ref (EV_A); /* signal watcher */
836	ev_io_stop (EV_A_ &sigev);	983	ev_io_stop (EV_A_ &sigev);
837		984
838	close (sigpipe [0]); sigpipe [0] = 0;	985	close (sigpipe [0]); sigpipe [0] = 0;
…		…
843		990
844	void	991	void
845	ev_default_fork (void)	992	ev_default_fork (void)
846	{	993	{
847	#if EV_MULTIPLICITY	994	#if EV_MULTIPLICITY
848	struct ev_loop *loop = default_loop;	995	struct ev_loop *loop = ev_default_loop_ptr;
849	#endif	996	#endif
850		997
851	loop_fork (EV_A);	998	if (method)
852		999	postfork = 1;
853	ev_io_stop (EV_A_ &sigev);
854	close (sigpipe [0]);
855	close (sigpipe [1]);
856	pipe (sigpipe);
857
858	ev_ref (EV_A); /* signal watcher */
859	siginit (EV_A);
860	}	1000	}
861		1001
862	/*****************************************************************************/	1002	/*****************************************************************************/
863		1003
864	static void	1004	static int
		1005	any_pending (EV_P)
		1006	{
		1007	int pri;
		1008
		1009	for (pri = NUMPRI; pri--; )
		1010	if (pendingcnt [pri])
		1011	return 1;
		1012
		1013	return 0;
		1014	}
		1015
		1016	inline void
865	call_pending (EV_P)	1017	call_pending (EV_P)
866	{	1018	{
867	int pri;	1019	int pri;
868		1020
869	for (pri = NUMPRI; pri--; )	1021	for (pri = NUMPRI; pri--; )
870	while (pendingcnt [pri])	1022	while (pendingcnt [pri])
871	{	1023	{
872	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1024	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
873		1025
874	if (p->w)	1026	if (expect_true (p->w))
875	{	1027	{
876	p->w->pending = 0;	1028	p->w->pending = 0;
877	p->w->cb (EV_A_ p->w, p->events);	1029	EV_CB_INVOKE (p->w, p->events);
878	}	1030	}
879	}	1031	}
880	}	1032	}
881		1033
882	static void	1034	inline void
883	timers_reify (EV_P)	1035	timers_reify (EV_P)
884	{	1036	{
885	while (timercnt && ((WT)timers [0])->at <= mn_now)	1037	while (timercnt && ((WT)timers [0])->at <= mn_now)
886	{	1038	{
887	struct ev_timer *w = timers [0];	1039	struct ev_timer *w = timers [0];
…		…
890		1042
891	/* first reschedule or stop timer */	1043	/* first reschedule or stop timer */
892	if (w->repeat)	1044	if (w->repeat)
893	{	1045	{
894	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1046	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
		1047
895	((WT)w)->at = mn_now + w->repeat;	1048	((WT)w)->at += w->repeat;
		1049	if (((WT)w)->at < mn_now)
		1050	((WT)w)->at = mn_now;
		1051
896	downheap ((WT *)timers, timercnt, 0);	1052	downheap ((WT *)timers, timercnt, 0);
897	}	1053	}
898	else	1054	else
899	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1055	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
900		1056
901	event (EV_A_ (W)w, EV_TIMEOUT);	1057	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
902	}	1058	}
903	}	1059	}
904		1060
905	static void	1061	#if EV_PERIODICS
		1062	inline void
906	periodics_reify (EV_P)	1063	periodics_reify (EV_P)
907	{	1064	{
908	while (periodiccnt && ((WT)periodics [0])->at <= rt_now)	1065	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
909	{	1066	{
910	struct ev_periodic *w = periodics [0];	1067	struct ev_periodic *w = periodics [0];
911		1068
912	assert (("inactive timer on periodic heap detected", ev_is_active (w)));	1069	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
913		1070
914	/* first reschedule or stop timer */	1071	/* first reschedule or stop timer */
915	if (w->interval)	1072	if (w->reschedule_cb)
916	{	1073	{
		1074	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
		1075	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
		1076	downheap ((WT *)periodics, periodiccnt, 0);
		1077	}
		1078	else if (w->interval)
		1079	{
917	((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;	1080	((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
918	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now));	1081	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
919	downheap ((WT *)periodics, periodiccnt, 0);	1082	downheap ((WT *)periodics, periodiccnt, 0);
920	}	1083	}
921	else	1084	else
922	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1085	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
923		1086
924	event (EV_A_ (W)w, EV_PERIODIC);	1087	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
925	}	1088	}
926	}	1089	}
927		1090
928	static void	1091	static void
929	periodics_reschedule (EV_P)	1092	periodics_reschedule (EV_P)
…		…
933	/* adjust periodics after time jump */	1096	/* adjust periodics after time jump */
934	for (i = 0; i < periodiccnt; ++i)	1097	for (i = 0; i < periodiccnt; ++i)
935	{	1098	{
936	struct ev_periodic *w = periodics [i];	1099	struct ev_periodic *w = periodics [i];
937		1100
		1101	if (w->reschedule_cb)
		1102	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
938	if (w->interval)	1103	else if (w->interval)
939	{
940	ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;	1104	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
941
942	if (fabs (diff) >= 1e-4)
943	{
944	ev_periodic_stop (EV_A_ w);
945	ev_periodic_start (EV_A_ w);
946
947	i = 0; /* restart loop, inefficient, but time jumps should be rare */
948	}
949	}
950	}	1105	}
		1106
		1107	/* now rebuild the heap */
		1108	for (i = periodiccnt >> 1; i--; )
		1109	downheap ((WT *)periodics, periodiccnt, i);
951	}	1110	}
		1111	#endif
952		1112
953	inline int	1113	inline int
954	time_update_monotonic (EV_P)	1114	time_update_monotonic (EV_P)
955	{	1115	{
956	mn_now = get_clock ();	1116	mn_now = get_clock ();
957		1117
958	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1118	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
959	{	1119	{
960	rt_now = rtmn_diff + mn_now;	1120	ev_rt_now = rtmn_diff + mn_now;
961	return 0;	1121	return 0;
962	}	1122	}
963	else	1123	else
964	{	1124	{
965	now_floor = mn_now;	1125	now_floor = mn_now;
966	rt_now = ev_time ();	1126	ev_rt_now = ev_time ();
967	return 1;	1127	return 1;
968	}	1128	}
969	}	1129	}
970		1130
971	static void	1131	inline void
972	time_update (EV_P)	1132	time_update (EV_P)
973	{	1133	{
974	int i;	1134	int i;
975		1135
976	#if EV_USE_MONOTONIC	1136	#if EV_USE_MONOTONIC
…		…
980	{	1140	{
981	ev_tstamp odiff = rtmn_diff;	1141	ev_tstamp odiff = rtmn_diff;
982		1142
983	for (i = 4; --i; ) /* loop a few times, before making important decisions */	1143	for (i = 4; --i; ) /* loop a few times, before making important decisions */
984	{	1144	{
985	rtmn_diff = rt_now - mn_now;	1145	rtmn_diff = ev_rt_now - mn_now;
986		1146
987	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1147	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
988	return; /* all is well */	1148	return; /* all is well */
989		1149
990	rt_now = ev_time ();	1150	ev_rt_now = ev_time ();
991	mn_now = get_clock ();	1151	mn_now = get_clock ();
992	now_floor = mn_now;	1152	now_floor = mn_now;
993	}	1153	}
994		1154
		1155	# if EV_PERIODICS
995	periodics_reschedule (EV_A);	1156	periodics_reschedule (EV_A);
		1157	# endif
996	/* no timer adjustment, as the monotonic clock doesn't jump */	1158	/* no timer adjustment, as the monotonic clock doesn't jump */
997	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */	1159	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
998	}	1160	}
999	}	1161	}
1000	else	1162	else
1001	#endif	1163	#endif
1002	{	1164	{
1003	rt_now = ev_time ();	1165	ev_rt_now = ev_time ();
1004		1166
1005	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1167	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
1006	{	1168	{
		1169	#if EV_PERIODICS
1007	periodics_reschedule (EV_A);	1170	periodics_reschedule (EV_A);
		1171	#endif
1008		1172
1009	/* adjust timers. this is easy, as the offset is the same for all */	1173	/* adjust timers. this is easy, as the offset is the same for all */
1010	for (i = 0; i < timercnt; ++i)	1174	for (i = 0; i < timercnt; ++i)
1011	((WT)timers [i])->at += rt_now - mn_now;	1175	((WT)timers [i])->at += ev_rt_now - mn_now;
1012	}	1176	}
1013		1177
1014	mn_now = rt_now;	1178	mn_now = ev_rt_now;
1015	}	1179	}
1016	}	1180	}
1017		1181
1018	void	1182	void
1019	ev_ref (EV_P)	1183	ev_ref (EV_P)
…		…
1033	ev_loop (EV_P_ int flags)	1197	ev_loop (EV_P_ int flags)
1034	{	1198	{
1035	double block;	1199	double block;
1036	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1200	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
1037		1201
1038	do	1202	while (activecnt)
1039	{	1203	{
1040	/* queue check watchers (and execute them) */	1204	/* queue check watchers (and execute them) */
1041	if (expect_false (preparecnt))	1205	if (expect_false (preparecnt))
1042	{	1206	{
1043	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1207	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
1044	call_pending (EV_A);	1208	call_pending (EV_A);
1045	}	1209	}
1046		1210
		1211	/* we might have forked, so reify kernel state if necessary */
		1212	if (expect_false (postfork))
		1213	loop_fork (EV_A);
		1214
1047	/* update fd-related kernel structures */	1215	/* update fd-related kernel structures */
1048	fd_reify (EV_A);	1216	fd_reify (EV_A);
1049		1217
1050	/* calculate blocking time */	1218	/* calculate blocking time */
1051		1219
1052	/* we only need this for !monotonic clockor timers, but as we basically	1220	/* we only need this for !monotonic clock or timers, but as we basically
1053	always have timers, we just calculate it always */	1221	always have timers, we just calculate it always */
1054	#if EV_USE_MONOTONIC	1222	#if EV_USE_MONOTONIC
1055	if (expect_true (have_monotonic))	1223	if (expect_true (have_monotonic))
1056	time_update_monotonic (EV_A);	1224	time_update_monotonic (EV_A);
1057	else	1225	else
1058	#endif	1226	#endif
1059	{	1227	{
1060	rt_now = ev_time ();	1228	ev_rt_now = ev_time ();
1061	mn_now = rt_now;	1229	mn_now = ev_rt_now;
1062	}	1230	}
1063		1231
1064	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1232	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
1065	block = 0.;	1233	block = 0.;
1066	else	1234	else
…		…
1071	{	1239	{
1072	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;	1240	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
1073	if (block > to) block = to;	1241	if (block > to) block = to;
1074	}	1242	}
1075		1243
		1244	#if EV_PERIODICS
1076	if (periodiccnt)	1245	if (periodiccnt)
1077	{	1246	{
1078	ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;	1247	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
1079	if (block > to) block = to;	1248	if (block > to) block = to;
1080	}	1249	}
		1250	#endif
1081		1251
1082	if (block < 0.) block = 0.;	1252	if (expect_false (block < 0.)) block = 0.;
1083	}	1253	}
1084		1254
1085	method_poll (EV_A_ block);	1255	method_poll (EV_A_ block);
1086		1256
1087	/* update rt_now, do magic */	1257	/* update ev_rt_now, do magic */
1088	time_update (EV_A);	1258	time_update (EV_A);
1089		1259
1090	/* queue pending timers and reschedule them */	1260	/* queue pending timers and reschedule them */
1091	timers_reify (EV_A); /* relative timers called last */	1261	timers_reify (EV_A); /* relative timers called last */
		1262	#if EV_PERIODICS
1092	periodics_reify (EV_A); /* absolute timers called first */	1263	periodics_reify (EV_A); /* absolute timers called first */
		1264	#endif
1093		1265
1094	/* queue idle watchers unless io or timers are pending */	1266	/* queue idle watchers unless io or timers are pending */
1095	if (!pendingcnt)	1267	if (idlecnt && !any_pending (EV_A))
1096	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1268	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
1097		1269
1098	/* queue check watchers, to be executed first */	1270	/* queue check watchers, to be executed first */
1099	if (checkcnt)	1271	if (expect_false (checkcnt))
1100	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1272	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1101		1273
1102	call_pending (EV_A);	1274	call_pending (EV_A);
		1275
		1276	if (expect_false (loop_done))
		1277	break;
1103	}	1278	}
1104	while (activecnt && !loop_done);
1105		1279
1106	if (loop_done != 2)	1280	if (loop_done != 2)
1107	loop_done = 0;	1281	loop_done = 0;
1108	}	1282	}
1109		1283
…		…
1169	void	1343	void
1170	ev_io_start (EV_P_ struct ev_io *w)	1344	ev_io_start (EV_P_ struct ev_io *w)
1171	{	1345	{
1172	int fd = w->fd;	1346	int fd = w->fd;
1173		1347
1174	if (ev_is_active (w))	1348	if (expect_false (ev_is_active (w)))
1175	return;	1349	return;
1176		1350
1177	assert (("ev_io_start called with negative fd", fd >= 0));	1351	assert (("ev_io_start called with negative fd", fd >= 0));
1178		1352
1179	ev_start (EV_A_ (W)w, 1);	1353	ev_start (EV_A_ (W)w, 1);
1180	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	1354	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1181	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1355	wlist_add ((WL *)&anfds[fd].head, (WL)w);
1182		1356
1183	fd_change (EV_A_ fd);	1357	fd_change (EV_A_ fd);
1184	}	1358	}
1185		1359
1186	void	1360	void
1187	ev_io_stop (EV_P_ struct ev_io *w)	1361	ev_io_stop (EV_P_ struct ev_io *w)
1188	{	1362	{
1189	ev_clear_pending (EV_A_ (W)w);	1363	ev_clear_pending (EV_A_ (W)w);
1190	if (!ev_is_active (w))	1364	if (expect_false (!ev_is_active (w)))
1191	return;	1365	return;
		1366
		1367	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1192		1368
1193	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1369	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
1194	ev_stop (EV_A_ (W)w);	1370	ev_stop (EV_A_ (W)w);
1195		1371
1196	fd_change (EV_A_ w->fd);	1372	fd_change (EV_A_ w->fd);
1197	}	1373	}
1198		1374
1199	void	1375	void
1200	ev_timer_start (EV_P_ struct ev_timer *w)	1376	ev_timer_start (EV_P_ struct ev_timer *w)
1201	{	1377	{
1202	if (ev_is_active (w))	1378	if (expect_false (ev_is_active (w)))
1203	return;	1379	return;
1204		1380
1205	((WT)w)->at += mn_now;	1381	((WT)w)->at += mn_now;
1206		1382
1207	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1383	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1208		1384
1209	ev_start (EV_A_ (W)w, ++timercnt);	1385	ev_start (EV_A_ (W)w, ++timercnt);
1210	array_needsize (timers, timermax, timercnt, );	1386	array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2);
1211	timers [timercnt - 1] = w;	1387	timers [timercnt - 1] = w;
1212	upheap ((WT *)timers, timercnt - 1);	1388	upheap ((WT *)timers, timercnt - 1);
1213		1389
1214	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1390	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1215	}	1391	}
1216		1392
1217	void	1393	void
1218	ev_timer_stop (EV_P_ struct ev_timer *w)	1394	ev_timer_stop (EV_P_ struct ev_timer *w)
1219	{	1395	{
1220	ev_clear_pending (EV_A_ (W)w);	1396	ev_clear_pending (EV_A_ (W)w);
1221	if (!ev_is_active (w))	1397	if (expect_false (!ev_is_active (w)))
1222	return;	1398	return;
1223		1399
1224	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1400	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1225		1401
1226	if (((W)w)->active < timercnt--)	1402	if (expect_true (((W)w)->active < timercnt--))
1227	{	1403	{
1228	timers [((W)w)->active - 1] = timers [timercnt];	1404	timers [((W)w)->active - 1] = timers [timercnt];
1229	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1405	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1230	}	1406	}
1231		1407
1232	((WT)w)->at = w->repeat;	1408	((WT)w)->at -= mn_now;
1233		1409
1234	ev_stop (EV_A_ (W)w);	1410	ev_stop (EV_A_ (W)w);
1235	}	1411	}
1236		1412
1237	void	1413	void
…		…
1240	if (ev_is_active (w))	1416	if (ev_is_active (w))
1241	{	1417	{
1242	if (w->repeat)	1418	if (w->repeat)
1243	{	1419	{
1244	((WT)w)->at = mn_now + w->repeat;	1420	((WT)w)->at = mn_now + w->repeat;
1245	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1421	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1246	}	1422	}
1247	else	1423	else
1248	ev_timer_stop (EV_A_ w);	1424	ev_timer_stop (EV_A_ w);
1249	}	1425	}
1250	else if (w->repeat)	1426	else if (w->repeat)
		1427	{
		1428	w->at = w->repeat;
1251	ev_timer_start (EV_A_ w);	1429	ev_timer_start (EV_A_ w);
		1430	}
1252	}	1431	}
1253		1432
		1433	#if EV_PERIODICS
1254	void	1434	void
1255	ev_periodic_start (EV_P_ struct ev_periodic *w)	1435	ev_periodic_start (EV_P_ struct ev_periodic *w)
1256	{	1436	{
1257	if (ev_is_active (w))	1437	if (expect_false (ev_is_active (w)))
1258	return;	1438	return;
1259		1439
		1440	if (w->reschedule_cb)
		1441	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
		1442	else if (w->interval)
		1443	{
1260	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1444	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1261
1262	/* this formula differs from the one in periodic_reify because we do not always round up */	1445	/* this formula differs from the one in periodic_reify because we do not always round up */
1263	if (w->interval)
1264	((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;	1446	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
		1447	}
1265		1448
1266	ev_start (EV_A_ (W)w, ++periodiccnt);	1449	ev_start (EV_A_ (W)w, ++periodiccnt);
1267	array_needsize (periodics, periodicmax, periodiccnt, );	1450	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1268	periodics [periodiccnt - 1] = w;	1451	periodics [periodiccnt - 1] = w;
1269	upheap ((WT *)periodics, periodiccnt - 1);	1452	upheap ((WT *)periodics, periodiccnt - 1);
1270		1453
1271	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1454	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1272	}	1455	}
1273		1456
1274	void	1457	void
1275	ev_periodic_stop (EV_P_ struct ev_periodic *w)	1458	ev_periodic_stop (EV_P_ struct ev_periodic *w)
1276	{	1459	{
1277	ev_clear_pending (EV_A_ (W)w);	1460	ev_clear_pending (EV_A_ (W)w);
1278	if (!ev_is_active (w))	1461	if (expect_false (!ev_is_active (w)))
1279	return;	1462	return;
1280		1463
1281	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1464	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1282		1465
1283	if (((W)w)->active < periodiccnt--)	1466	if (expect_true (((W)w)->active < periodiccnt--))
1284	{	1467	{
1285	periodics [((W)w)->active - 1] = periodics [periodiccnt];	1468	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1286	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);	1469	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1287	}	1470	}
1288		1471
1289	ev_stop (EV_A_ (W)w);	1472	ev_stop (EV_A_ (W)w);
1290	}	1473	}
1291		1474
1292	void	1475	void
		1476	ev_periodic_again (EV_P_ struct ev_periodic *w)
		1477	{
		1478	/* TODO: use adjustheap and recalculation */
		1479	ev_periodic_stop (EV_A_ w);
		1480	ev_periodic_start (EV_A_ w);
		1481	}
		1482	#endif
		1483
		1484	void
1293	ev_idle_start (EV_P_ struct ev_idle *w)	1485	ev_idle_start (EV_P_ struct ev_idle *w)
1294	{	1486	{
1295	if (ev_is_active (w))	1487	if (expect_false (ev_is_active (w)))
1296	return;	1488	return;
1297		1489
1298	ev_start (EV_A_ (W)w, ++idlecnt);	1490	ev_start (EV_A_ (W)w, ++idlecnt);
1299	array_needsize (idles, idlemax, idlecnt, );	1491	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1300	idles [idlecnt - 1] = w;	1492	idles [idlecnt - 1] = w;
1301	}	1493	}
1302		1494
1303	void	1495	void
1304	ev_idle_stop (EV_P_ struct ev_idle *w)	1496	ev_idle_stop (EV_P_ struct ev_idle *w)
1305	{	1497	{
1306	ev_clear_pending (EV_A_ (W)w);	1498	ev_clear_pending (EV_A_ (W)w);
1307	if (ev_is_active (w))	1499	if (expect_false (!ev_is_active (w)))
1308	return;	1500	return;
1309		1501
1310	idles [((W)w)->active - 1] = idles [--idlecnt];	1502	idles [((W)w)->active - 1] = idles [--idlecnt];
1311	ev_stop (EV_A_ (W)w);	1503	ev_stop (EV_A_ (W)w);
1312	}	1504	}
1313		1505
1314	void	1506	void
1315	ev_prepare_start (EV_P_ struct ev_prepare *w)	1507	ev_prepare_start (EV_P_ struct ev_prepare *w)
1316	{	1508	{
1317	if (ev_is_active (w))	1509	if (expect_false (ev_is_active (w)))
1318	return;	1510	return;
1319		1511
1320	ev_start (EV_A_ (W)w, ++preparecnt);	1512	ev_start (EV_A_ (W)w, ++preparecnt);
1321	array_needsize (prepares, preparemax, preparecnt, );	1513	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1322	prepares [preparecnt - 1] = w;	1514	prepares [preparecnt - 1] = w;
1323	}	1515	}
1324		1516
1325	void	1517	void
1326	ev_prepare_stop (EV_P_ struct ev_prepare *w)	1518	ev_prepare_stop (EV_P_ struct ev_prepare *w)
1327	{	1519	{
1328	ev_clear_pending (EV_A_ (W)w);	1520	ev_clear_pending (EV_A_ (W)w);
1329	if (ev_is_active (w))	1521	if (expect_false (!ev_is_active (w)))
1330	return;	1522	return;
1331		1523
1332	prepares [((W)w)->active - 1] = prepares [--preparecnt];	1524	prepares [((W)w)->active - 1] = prepares [--preparecnt];
1333	ev_stop (EV_A_ (W)w);	1525	ev_stop (EV_A_ (W)w);
1334	}	1526	}
1335		1527
1336	void	1528	void
1337	ev_check_start (EV_P_ struct ev_check *w)	1529	ev_check_start (EV_P_ struct ev_check *w)
1338	{	1530	{
1339	if (ev_is_active (w))	1531	if (expect_false (ev_is_active (w)))
1340	return;	1532	return;
1341		1533
1342	ev_start (EV_A_ (W)w, ++checkcnt);	1534	ev_start (EV_A_ (W)w, ++checkcnt);
1343	array_needsize (checks, checkmax, checkcnt, );	1535	array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2);
1344	checks [checkcnt - 1] = w;	1536	checks [checkcnt - 1] = w;
1345	}	1537	}
1346		1538
1347	void	1539	void
1348	ev_check_stop (EV_P_ struct ev_check *w)	1540	ev_check_stop (EV_P_ struct ev_check *w)
1349	{	1541	{
1350	ev_clear_pending (EV_A_ (W)w);	1542	ev_clear_pending (EV_A_ (W)w);
1351	if (ev_is_active (w))	1543	if (expect_false (!ev_is_active (w)))
1352	return;	1544	return;
1353		1545
1354	checks [((W)w)->active - 1] = checks [--checkcnt];	1546	checks [((W)w)->active - 1] = checks [--checkcnt];
1355	ev_stop (EV_A_ (W)w);	1547	ev_stop (EV_A_ (W)w);
1356	}	1548	}
…		…
1361		1553
1362	void	1554	void
1363	ev_signal_start (EV_P_ struct ev_signal *w)	1555	ev_signal_start (EV_P_ struct ev_signal *w)
1364	{	1556	{
1365	#if EV_MULTIPLICITY	1557	#if EV_MULTIPLICITY
1366	assert (("signal watchers are only supported in the default loop", loop == default_loop));	1558	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1367	#endif	1559	#endif
1368	if (ev_is_active (w))	1560	if (expect_false (ev_is_active (w)))
1369	return;	1561	return;
1370		1562
1371	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1563	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1372		1564
1373	ev_start (EV_A_ (W)w, 1);	1565	ev_start (EV_A_ (W)w, 1);
1374	array_needsize (signals, signalmax, w->signum, signals_init);	1566	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1375	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1567	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1376		1568
1377	if (!((WL)w)->next)	1569	if (!((WL)w)->next)
1378	{	1570	{
1379	#if WIN32	1571	#if _WIN32
1380	signal (w->signum, sighandler);	1572	signal (w->signum, sighandler);
1381	#else	1573	#else
1382	struct sigaction sa;	1574	struct sigaction sa;
1383	sa.sa_handler = sighandler;	1575	sa.sa_handler = sighandler;
1384	sigfillset (&sa.sa_mask);	1576	sigfillset (&sa.sa_mask);
…		…
1390		1582
1391	void	1583	void
1392	ev_signal_stop (EV_P_ struct ev_signal *w)	1584	ev_signal_stop (EV_P_ struct ev_signal *w)
1393	{	1585	{
1394	ev_clear_pending (EV_A_ (W)w);	1586	ev_clear_pending (EV_A_ (W)w);
1395	if (!ev_is_active (w))	1587	if (expect_false (!ev_is_active (w)))
1396	return;	1588	return;
1397		1589
1398	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1590	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1399	ev_stop (EV_A_ (W)w);	1591	ev_stop (EV_A_ (W)w);
1400		1592
…		…
1404		1596
1405	void	1597	void
1406	ev_child_start (EV_P_ struct ev_child *w)	1598	ev_child_start (EV_P_ struct ev_child *w)
1407	{	1599	{
1408	#if EV_MULTIPLICITY	1600	#if EV_MULTIPLICITY
1409	assert (("child watchers are only supported in the default loop", loop == default_loop));	1601	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1410	#endif	1602	#endif
1411	if (ev_is_active (w))	1603	if (expect_false (ev_is_active (w)))
1412	return;	1604	return;
1413		1605
1414	ev_start (EV_A_ (W)w, 1);	1606	ev_start (EV_A_ (W)w, 1);
1415	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1607	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1416	}	1608	}
1417		1609
1418	void	1610	void
1419	ev_child_stop (EV_P_ struct ev_child *w)	1611	ev_child_stop (EV_P_ struct ev_child *w)
1420	{	1612	{
1421	ev_clear_pending (EV_A_ (W)w);	1613	ev_clear_pending (EV_A_ (W)w);
1422	if (ev_is_active (w))	1614	if (expect_false (!ev_is_active (w)))
1423	return;	1615	return;
1424		1616
1425	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1617	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1426	ev_stop (EV_A_ (W)w);	1618	ev_stop (EV_A_ (W)w);
1427	}	1619	}
…		…
1462	}	1654	}
1463		1655
1464	void	1656	void
1465	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1657	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1466	{	1658	{
1467	struct ev_once *once = ev_malloc (sizeof (struct ev_once));	1659	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1468		1660
1469	if (!once)	1661	if (expect_false (!once))
		1662	{
1470	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1663	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1471	else	1664	return;
1472	{	1665	}
		1666
1473	once->cb = cb;	1667	once->cb = cb;
1474	once->arg = arg;	1668	once->arg = arg;
1475		1669
1476	ev_watcher_init (&once->io, once_cb_io);	1670	ev_init (&once->io, once_cb_io);
1477	if (fd >= 0)	1671	if (fd >= 0)
1478	{	1672	{
1479	ev_io_set (&once->io, fd, events);	1673	ev_io_set (&once->io, fd, events);
1480	ev_io_start (EV_A_ &once->io);	1674	ev_io_start (EV_A_ &once->io);
1481	}	1675	}
1482		1676
1483	ev_watcher_init (&once->to, once_cb_to);	1677	ev_init (&once->to, once_cb_to);
1484	if (timeout >= 0.)	1678	if (timeout >= 0.)
1485	{	1679	{
1486	ev_timer_set (&once->to, timeout, 0.);	1680	ev_timer_set (&once->to, timeout, 0.);
1487	ev_timer_start (EV_A_ &once->to);	1681	ev_timer_start (EV_A_ &once->to);
1488	}
1489	}	1682	}
1490	}	1683	}
1491		1684
		1685	#ifdef __cplusplus
		1686	}
		1687	#endif
		1688

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Comparing libev/ev.c (file contents): Revision 1.69 by root, Tue Nov 6 00:10:04 2007 UTC vs. Revision 1.126 by root, Sun Nov 18 01:25:23 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.69 by root, Tue Nov 6 00:10:04 2007 UTC vs.
Revision 1.126 by root, Sun Nov 18 01:25:23 2007 UTC