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

Comparing libev/ev.c (file contents):
Revision 1.71 by root, Tue Nov 6 13:17:55 2007 UTC vs.
Revision 1.130 by root, Fri Nov 23 05:13:48 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>
…		…
64	#include <assert.h>	104	#include <assert.h>
65	#include <errno.h>	105	#include <errno.h>
66	#include <sys/types.h>	106	#include <sys/types.h>
67	#include <time.h>	107	#include <time.h>
68		108
69	#ifndef PERL
70	# include <signal.h>	109	#include <signal.h>
71	#endif
72		110
73	#ifndef WIN32	111	#ifndef _WIN32
74	# include <unistd.h>	112	# include <unistd.h>
75	# include <sys/time.h>	113	# include <sys/time.h>
76	# 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
77	#endif	120	# endif
		121	#endif
		122
78	/**/	123	/**/
79		124
80	#ifndef EV_USE_MONOTONIC	125	#ifndef EV_USE_MONOTONIC
81	# 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
82	#endif	131	#endif
83		132
84	#ifndef EV_USE_SELECT	133	#ifndef EV_USE_SELECT
85	# define EV_USE_SELECT 1	134	# define EV_USE_SELECT 1
86	#endif	135	#endif
87		136
88	#ifndef EV_USE_POLL	137	#ifndef EV_USE_POLL
89	# 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
90	#endif	143	#endif
91		144
92	#ifndef EV_USE_EPOLL	145	#ifndef EV_USE_EPOLL
93	# define EV_USE_EPOLL 0	146	# define EV_USE_EPOLL 0
94	#endif	147	#endif
95		148
96	#ifndef EV_USE_KQUEUE	149	#ifndef EV_USE_KQUEUE
97	# define EV_USE_KQUEUE 0	150	# define EV_USE_KQUEUE 0
98	#endif	151	#endif
99		152
100	#ifndef EV_USE_WIN32
101	# ifdef WIN32
102	# define EV_USE_WIN32 0 /* it does not exist, use select */
103	# undef EV_USE_SELECT
104	# define EV_USE_SELECT 1
105	# else
106	# define EV_USE_WIN32 0
107	# endif
108	#endif
109
110	#ifndef EV_USE_REALTIME	153	#ifndef EV_USE_PORT
111	# define EV_USE_REALTIME 1	154	# define EV_USE_PORT 0
112	#endif	155	#endif
113		156
114	/**/	157	/**/
115		158
116	#ifndef CLOCK_MONOTONIC	159	#ifndef CLOCK_MONOTONIC
…		…
121	#ifndef CLOCK_REALTIME	164	#ifndef CLOCK_REALTIME
122	# undef EV_USE_REALTIME	165	# undef EV_USE_REALTIME
123	# define EV_USE_REALTIME 0	166	# define EV_USE_REALTIME 0
124	#endif	167	#endif
125		168
		169	#if EV_SELECT_IS_WINSOCKET
		170	# include <winsock.h>
		171	#endif
		172
126	/**/	173	/**/
127		174
128	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	175	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
129	#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */	176	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
130	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */	177	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */
131	/#define CLEANUP_INTERVAL 300. / how often to try to free memory and re-check fds */	178	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds */
132		179
		180	#ifdef EV_H
		181	# include EV_H
		182	#else
133	#include "ev.h"	183	# include "ev.h"
		184	#endif
134		185
135	#if __GNUC__ >= 3	186	#if __GNUC__ >= 3
136	# define expect(expr,value) __builtin_expect ((expr),(value))	187	# define expect(expr,value) __builtin_expect ((expr),(value))
137	# define inline inline	188	# define inline static inline
138	#else	189	#else
139	# define expect(expr,value) (expr)	190	# define expect(expr,value) (expr)
140	# define inline static	191	# define inline static
141	#endif	192	#endif
142		193
…		…
144	#define expect_true(expr) expect ((expr) != 0, 1)	195	#define expect_true(expr) expect ((expr) != 0, 1)
145		196
146	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	197	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
147	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	198	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
148		199
		200	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
		201	#define EMPTY2(a,b) /* used to suppress some warnings */
		202
149	typedef struct ev_watcher *W;	203	typedef struct ev_watcher *W;
150	typedef struct ev_watcher_list *WL;	204	typedef struct ev_watcher_list *WL;
151	typedef struct ev_watcher_time *WT;	205	typedef struct ev_watcher_time *WT;
152		206
153	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	207	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
154		208
155	#if WIN32	209	#ifdef _WIN32
156	/* note: the comment below could not be substantiated, but what would I care */	210	# include "ev_win32.c"
157	/* MSDN says this is required to handle SIGFPE */
158	volatile double SIGFPE_REQ = 0.0f;
159	#endif	211	#endif
160		212
161	/*****************************************************************************/	213	/*****************************************************************************/
162		214
163	static void (syserr_cb)(const char msg);	215	static void (syserr_cb)(const char msg);
…		…
211	typedef struct	263	typedef struct
212	{	264	{
213	WL head;	265	WL head;
214	unsigned char events;	266	unsigned char events;
215	unsigned char reify;	267	unsigned char reify;
		268	#if EV_SELECT_IS_WINSOCKET
		269	SOCKET handle;
		270	#endif
216	} ANFD;	271	} ANFD;
217		272
218	typedef struct	273	typedef struct
219	{	274	{
220	W w;	275	W w;
221	int events;	276	int events;
222	} ANPENDING;	277	} ANPENDING;
223		278
224	#if EV_MULTIPLICITY	279	#if EV_MULTIPLICITY
225		280
226	struct ev_loop	281	struct ev_loop
227	{	282	{
		283	ev_tstamp ev_rt_now;
		284	#define ev_rt_now ((loop)->ev_rt_now)
228	# define VAR(name,decl) decl;	285	#define VAR(name,decl) decl;
229	# include "ev_vars.h"	286	#include "ev_vars.h"
230	};
231	# undef VAR	287	#undef VAR
		288	};
232	# include "ev_wrap.h"	289	#include "ev_wrap.h"
		290
		291	static struct ev_loop default_loop_struct;
		292	struct ev_loop *ev_default_loop_ptr;
233		293
234	#else	294	#else
235		295
		296	ev_tstamp ev_rt_now;
236	# define VAR(name,decl) static decl;	297	#define VAR(name,decl) static decl;
237	# include "ev_vars.h"	298	#include "ev_vars.h"
238	# undef VAR	299	#undef VAR
		300
		301	static int ev_default_loop_ptr;
239		302
240	#endif	303	#endif
241		304
242	/*****************************************************************************/	305	/*****************************************************************************/
243		306
244	inline ev_tstamp	307	ev_tstamp
245	ev_time (void)	308	ev_time (void)
246	{	309	{
247	#if EV_USE_REALTIME	310	#if EV_USE_REALTIME
248	struct timespec ts;	311	struct timespec ts;
249	clock_gettime (CLOCK_REALTIME, &ts);	312	clock_gettime (CLOCK_REALTIME, &ts);
…		…
268	#endif	331	#endif
269		332
270	return ev_time ();	333	return ev_time ();
271	}	334	}
272		335
		336	#if EV_MULTIPLICITY
273	ev_tstamp	337	ev_tstamp
274	ev_now (EV_P)	338	ev_now (EV_P)
275	{	339	{
276	return rt_now;	340	return ev_rt_now;
277	}	341	}
		342	#endif
278		343
279	#define array_roundsize(base,n) ((n) \| 4 & ~3)	344	#define array_roundsize(type,n) (((n) \| 4) & ~3)
280		345
281	#define array_needsize(base,cur,cnt,init) \	346	#define array_needsize(type,base,cur,cnt,init) \
282	if (expect_false ((cnt) > cur)) \	347	if (expect_false ((cnt) > cur)) \
283	{ \	348	{ \
284	int newcnt = cur; \	349	int newcnt = cur; \
285	do \	350	do \
286	{ \	351	{ \
287	newcnt = array_roundsize (base, newcnt << 1); \	352	newcnt = array_roundsize (type, newcnt << 1); \
288	} \	353	} \
289	while ((cnt) > newcnt); \	354	while ((cnt) > newcnt); \
290	\	355	\
291	base = ev_realloc (base, sizeof (base) (newcnt)); \	356	base = (type )ev_realloc (base, sizeof (type) (newcnt));\
292	init (base + cur, newcnt - cur); \	357	init (base + cur, newcnt - cur); \
293	cur = newcnt; \	358	cur = newcnt; \
294	}	359	}
295		360
296	#define array_slim(stem) \	361	#define array_slim(type,stem) \
297	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	362	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
298	{ \	363	{ \
299	stem ## max = array_roundsize (stem ## cnt >> 1); \	364	stem ## max = array_roundsize (stem ## cnt >> 1); \
300	base = ev_realloc (base, sizeof (base) (stem ## max)); \	365	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
301	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\	366	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
302	}	367	}
303
304	/* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */
305	/* bringing us everlasting joy in form of stupid extra macros that are not required in C */
306	#define array_free_microshit(stem) \
307	ev_free (stem ## s); stem ## cnt = stem ## max = 0;
308		368
309	#define array_free(stem, idx) \	369	#define array_free(stem, idx) \
310	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;	370	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
311		371
312	/*****************************************************************************/	372	/*****************************************************************************/
…		…
322		382
323	++base;	383	++base;
324	}	384	}
325	}	385	}
326		386
327	static void	387	void
328	event (EV_P_ W w, int events)	388	ev_feed_event (EV_P_ void *w, int revents)
329	{	389	{
330	if (w->pending)	390	W w_ = (W)w;
		391
		392	if (expect_false (w_->pending))
331	{	393	{
332	pendings [ABSPRI (w)][w->pending - 1].events \|= events;	394	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
333	return;	395	return;
334	}	396	}
335		397
336	w->pending = ++pendingcnt [ABSPRI (w)];	398	w_->pending = ++pendingcnt [ABSPRI (w_)];
337	array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], (void));	399	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
338	pendings [ABSPRI (w)][w->pending - 1].w = w;	400	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
339	pendings [ABSPRI (w)][w->pending - 1].events = events;	401	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
340	}	402	}
341		403
342	static void	404	static void
343	queue_events (EV_P_ W *events, int eventcnt, int type)	405	queue_events (EV_P_ W *events, int eventcnt, int type)
344	{	406	{
345	int i;	407	int i;
346		408
347	for (i = 0; i < eventcnt; ++i)	409	for (i = 0; i < eventcnt; ++i)
348	event (EV_A_ events [i], type);	410	ev_feed_event (EV_A_ events [i], type);
349	}	411	}
350		412
351	static void	413	inline void
352	fd_event (EV_P_ int fd, int events)	414	fd_event (EV_P_ int fd, int revents)
353	{	415	{
354	ANFD *anfd = anfds + fd;	416	ANFD *anfd = anfds + fd;
355	struct ev_io *w;	417	struct ev_io *w;
356		418
357	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	419	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
358	{	420	{
359	int ev = w->events & events;	421	int ev = w->events & revents;
360		422
361	if (ev)	423	if (ev)
362	event (EV_A_ (W)w, ev);	424	ev_feed_event (EV_A_ (W)w, ev);
363	}	425	}
		426	}
		427
		428	void
		429	ev_feed_fd_event (EV_P_ int fd, int revents)
		430	{
		431	fd_event (EV_A_ fd, revents);
364	}	432	}
365		433
366	/*****************************************************************************/	434	/*****************************************************************************/
367		435
368	static void	436	inline void
369	fd_reify (EV_P)	437	fd_reify (EV_P)
370	{	438	{
371	int i;	439	int i;
372		440
373	for (i = 0; i < fdchangecnt; ++i)	441	for (i = 0; i < fdchangecnt; ++i)
…		…
379	int events = 0;	447	int events = 0;
380		448
381	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	449	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
382	events \|= w->events;	450	events \|= w->events;
383		451
		452	#if EV_SELECT_IS_WINSOCKET
		453	if (events)
		454	{
		455	unsigned long argp;
		456	anfd->handle = _get_osfhandle (fd);
		457	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
		458	}
		459	#endif
		460
384	anfd->reify = 0;	461	anfd->reify = 0;
385		462
386	method_modify (EV_A_ fd, anfd->events, events);	463	backend_modify (EV_A_ fd, anfd->events, events);
387	anfd->events = events;	464	anfd->events = events;
388	}	465	}
389		466
390	fdchangecnt = 0;	467	fdchangecnt = 0;
391	}	468	}
392		469
393	static void	470	static void
394	fd_change (EV_P_ int fd)	471	fd_change (EV_P_ int fd)
395	{	472	{
396	if (anfds [fd].reify)	473	if (expect_false (anfds [fd].reify))
397	return;	474	return;
398		475
399	anfds [fd].reify = 1;	476	anfds [fd].reify = 1;
400		477
401	++fdchangecnt;	478	++fdchangecnt;
402	array_needsize (fdchanges, fdchangemax, fdchangecnt, (void));	479	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
403	fdchanges [fdchangecnt - 1] = fd;	480	fdchanges [fdchangecnt - 1] = fd;
404	}	481	}
405		482
406	static void	483	static void
407	fd_kill (EV_P_ int fd)	484	fd_kill (EV_P_ int fd)
…		…
409	struct ev_io *w;	486	struct ev_io *w;
410		487
411	while ((w = (struct ev_io *)anfds [fd].head))	488	while ((w = (struct ev_io *)anfds [fd].head))
412	{	489	{
413	ev_io_stop (EV_A_ w);	490	ev_io_stop (EV_A_ w);
414	event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	491	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
415	}	492	}
416	}	493	}
417		494
418	static int	495	inline int
419	fd_valid (int fd)	496	fd_valid (int fd)
420	{	497	{
421	#ifdef WIN32	498	#ifdef _WIN32
422	return !!win32_get_osfhandle (fd);	499	return _get_osfhandle (fd) != -1;
423	#else	500	#else
424	return fcntl (fd, F_GETFD) != -1;	501	return fcntl (fd, F_GETFD) != -1;
425	#endif	502	#endif
426	}	503	}
427		504
…		…
449	fd_kill (EV_A_ fd);	526	fd_kill (EV_A_ fd);
450	return;	527	return;
451	}	528	}
452	}	529	}
453		530
454	/* usually called after fork if method needs to re-arm all fds from scratch */	531	/* usually called after fork if backend needs to re-arm all fds from scratch */
455	static void	532	static void
456	fd_rearm_all (EV_P)	533	fd_rearm_all (EV_P)
457	{	534	{
458	int fd;	535	int fd;
459		536
…		…
507		584
508	heap [k] = w;	585	heap [k] = w;
509	((W)heap [k])->active = k + 1;	586	((W)heap [k])->active = k + 1;
510	}	587	}
511		588
		589	inline void
		590	adjustheap (WT *heap, int N, int k)
		591	{
		592	upheap (heap, k);
		593	downheap (heap, N, k);
		594	}
		595
512	/*****************************************************************************/	596	/*****************************************************************************/
513		597
514	typedef struct	598	typedef struct
515	{	599	{
516	WL head;	600	WL head;
…		…
537	}	621	}
538		622
539	static void	623	static void
540	sighandler (int signum)	624	sighandler (int signum)
541	{	625	{
542	#if WIN32	626	#if _WIN32
543	signal (signum, sighandler);	627	signal (signum, sighandler);
544	#endif	628	#endif
545		629
546	signals [signum - 1].gotsig = 1;	630	signals [signum - 1].gotsig = 1;
547		631
…		…
552	write (sigpipe [1], &signum, 1);	636	write (sigpipe [1], &signum, 1);
553	errno = old_errno;	637	errno = old_errno;
554	}	638	}
555	}	639	}
556		640
		641	void
		642	ev_feed_signal_event (EV_P_ int signum)
		643	{
		644	WL w;
		645
		646	#if EV_MULTIPLICITY
		647	assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
		648	#endif
		649
		650	--signum;
		651
		652	if (signum < 0 \|\| signum >= signalmax)
		653	return;
		654
		655	signals [signum].gotsig = 0;
		656
		657	for (w = signals [signum].head; w; w = w->next)
		658	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
		659	}
		660
557	static void	661	static void
558	sigcb (EV_P_ struct ev_io *iow, int revents)	662	sigcb (EV_P_ struct ev_io *iow, int revents)
559	{	663	{
560	WL w;
561	int signum;	664	int signum;
562		665
563	read (sigpipe [0], &revents, 1);	666	read (sigpipe [0], &revents, 1);
564	gotsig = 0;	667	gotsig = 0;
565		668
566	for (signum = signalmax; signum--; )	669	for (signum = signalmax; signum--; )
567	if (signals [signum].gotsig)	670	if (signals [signum].gotsig)
568	{	671	ev_feed_signal_event (EV_A_ signum + 1);
569	signals [signum].gotsig = 0;	672	}
570		673
571	for (w = signals [signum].head; w; w = w->next)	674	static void
572	event (EV_A_ (W)w, EV_SIGNAL);	675	fd_intern (int fd)
573	}	676	{
		677	#ifdef _WIN32
		678	int arg = 1;
		679	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
		680	#else
		681	fcntl (fd, F_SETFD, FD_CLOEXEC);
		682	fcntl (fd, F_SETFL, O_NONBLOCK);
		683	#endif
574	}	684	}
575		685
576	static void	686	static void
577	siginit (EV_P)	687	siginit (EV_P)
578	{	688	{
579	#ifndef WIN32	689	fd_intern (sigpipe [0]);
580	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	690	fd_intern (sigpipe [1]);
581	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
582
583	/* rather than sort out wether we really need nb, set it */
584	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
585	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
586	#endif
587		691
588	ev_io_set (&sigev, sigpipe [0], EV_READ);	692	ev_io_set (&sigev, sigpipe [0], EV_READ);
589	ev_io_start (EV_A_ &sigev);	693	ev_io_start (EV_A_ &sigev);
590	ev_unref (EV_A); /* child watcher should not keep loop alive */	694	ev_unref (EV_A); /* child watcher should not keep loop alive */
591	}	695	}
592		696
593	/*****************************************************************************/	697	/*****************************************************************************/
594		698
595	static struct ev_child *childs [PID_HASHSIZE];	699	static struct ev_child *childs [PID_HASHSIZE];
596		700
597	#ifndef WIN32	701	#ifndef _WIN32
598		702
599	static struct ev_signal childev;	703	static struct ev_signal childev;
600		704
601	#ifndef WCONTINUED	705	#ifndef WCONTINUED
602	# define WCONTINUED 0	706	# define WCONTINUED 0
…		…
611	if (w->pid == pid \|\| !w->pid)	715	if (w->pid == pid \|\| !w->pid)
612	{	716	{
613	ev_priority (w) = ev_priority (sw); /* need to do it now */	717	ev_priority (w) = ev_priority (sw); /* need to do it now */
614	w->rpid = pid;	718	w->rpid = pid;
615	w->rstatus = status;	719	w->rstatus = status;
616	event (EV_A_ (W)w, EV_CHILD);	720	ev_feed_event (EV_A_ (W)w, EV_CHILD);
617	}	721	}
618	}	722	}
619		723
620	static void	724	static void
621	childcb (EV_P_ struct ev_signal *sw, int revents)	725	childcb (EV_P_ struct ev_signal *sw, int revents)
…		…
623	int pid, status;	727	int pid, status;
624		728
625	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))	729	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
626	{	730	{
627	/* make sure we are called again until all childs have been reaped */	731	/* make sure we are called again until all childs have been reaped */
628	event (EV_A_ (W)sw, EV_SIGNAL);	732	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
629		733
630	child_reap (EV_A_ sw, pid, pid, status);	734	child_reap (EV_A_ sw, pid, pid, status);
631	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */	735	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
632	}	736	}
633	}	737	}
634		738
635	#endif	739	#endif
636		740
637	/*****************************************************************************/	741	/*****************************************************************************/
638		742
		743	#if EV_USE_PORT
		744	# include "ev_port.c"
		745	#endif
639	#if EV_USE_KQUEUE	746	#if EV_USE_KQUEUE
640	# include "ev_kqueue.c"	747	# include "ev_kqueue.c"
641	#endif	748	#endif
642	#if EV_USE_EPOLL	749	#if EV_USE_EPOLL
643	# include "ev_epoll.c"	750	# include "ev_epoll.c"
…		…
663		770
664	/* return true if we are running with elevated privileges and should ignore env variables */	771	/* return true if we are running with elevated privileges and should ignore env variables */
665	static int	772	static int
666	enable_secure (void)	773	enable_secure (void)
667	{	774	{
668	#ifdef WIN32	775	#ifdef _WIN32
669	return 0;	776	return 0;
670	#else	777	#else
671	return getuid () != geteuid ()	778	return getuid () != geteuid ()
672	\|\| getgid () != getegid ();	779	\|\| getgid () != getegid ();
673	#endif	780	#endif
674	}	781	}
675		782
676	int	783	unsigned int
677	ev_method (EV_P)	784	ev_supported_backends (void)
678	{	785	{
679	return method;	786	unsigned int flags = 0;
680	}
681		787
682	static void	788	if (EV_USE_PORT ) flags \|= EVBACKEND_PORT;
683	loop_init (EV_P_ int methods)	789	if (EV_USE_KQUEUE) flags \|= EVBACKEND_KQUEUE;
		790	if (EV_USE_EPOLL ) flags \|= EVBACKEND_EPOLL;
		791	if (EV_USE_POLL ) flags \|= EVBACKEND_POLL;
		792	if (EV_USE_SELECT) flags \|= EVBACKEND_SELECT;
		793
		794	return flags;
		795	}
		796
		797	unsigned int
		798	ev_recommended_backends (void)
684	{	799	{
685	if (!method)	800	unsigned int flags = ev_recommended_backends ();
		801
		802	#ifndef __NetBSD__
		803	/* kqueue is borked on everything but netbsd apparently */
		804	/* it usually doesn't work correctly on anything but sockets and pipes */
		805	flags &= ~EVBACKEND_KQUEUE;
		806	#endif
		807	#ifdef __APPLE__
		808	// flags &= ~EVBACKEND_KQUEUE; for documentation
		809	flags &= ~EVBACKEND_POLL;
		810	#endif
		811
		812	return flags;
		813	}
		814
		815	unsigned int
		816	ev_backend (EV_P)
		817	{
		818	return backend;
		819	}
		820
		821	static void
		822	loop_init (EV_P_ unsigned int flags)
		823	{
		824	if (!backend)
686	{	825	{
687	#if EV_USE_MONOTONIC	826	#if EV_USE_MONOTONIC
688	{	827	{
689	struct timespec ts;	828	struct timespec ts;
690	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	829	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
691	have_monotonic = 1;	830	have_monotonic = 1;
692	}	831	}
693	#endif	832	#endif
694		833
695	rt_now = ev_time ();	834	ev_rt_now = ev_time ();
696	mn_now = get_clock ();	835	mn_now = get_clock ();
697	now_floor = mn_now;	836	now_floor = mn_now;
698	rtmn_diff = rt_now - mn_now;	837	rtmn_diff = ev_rt_now - mn_now;
699		838
700	if (methods == EVMETHOD_AUTO)	839	if (!(flags & EVFLAG_NOENV)
701	if (!enable_secure () && getenv ("LIBEV_METHODS"))	840	&& !enable_secure ()
		841	&& getenv ("LIBEV_FLAGS"))
702	methods = atoi (getenv ("LIBEV_METHODS"));	842	flags = atoi (getenv ("LIBEV_FLAGS"));
703	else
704	methods = EVMETHOD_ANY;
705		843
706	method = 0;	844	if (!(flags & 0x0000ffffUL))
707	#if EV_USE_WIN32	845	flags \|= ev_recommended_backends ();
708	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);	846
		847	backend = 0;
		848	#if EV_USE_PORT
		849	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
709	#endif	850	#endif
710	#if EV_USE_KQUEUE	851	#if EV_USE_KQUEUE
711	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	852	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
712	#endif	853	#endif
713	#if EV_USE_EPOLL	854	#if EV_USE_EPOLL
714	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	855	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
715	#endif	856	#endif
716	#if EV_USE_POLL	857	#if EV_USE_POLL
717	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	858	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
718	#endif	859	#endif
719	#if EV_USE_SELECT	860	#if EV_USE_SELECT
720	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	861	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
721	#endif	862	#endif
722		863
723	ev_watcher_init (&sigev, sigcb);	864	ev_init (&sigev, sigcb);
724	ev_set_priority (&sigev, EV_MAXPRI);	865	ev_set_priority (&sigev, EV_MAXPRI);
725	}	866	}
726	}	867	}
727		868
728	void	869	static void
729	loop_destroy (EV_P)	870	loop_destroy (EV_P)
730	{	871	{
731	int i;	872	int i;
732		873
733	#if EV_USE_WIN32	874	#if EV_USE_PORT
734	if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);	875	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
735	#endif	876	#endif
736	#if EV_USE_KQUEUE	877	#if EV_USE_KQUEUE
737	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);	878	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
738	#endif	879	#endif
739	#if EV_USE_EPOLL	880	#if EV_USE_EPOLL
740	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);	881	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
741	#endif	882	#endif
742	#if EV_USE_POLL	883	#if EV_USE_POLL
743	if (method == EVMETHOD_POLL ) poll_destroy (EV_A);	884	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
744	#endif	885	#endif
745	#if EV_USE_SELECT	886	#if EV_USE_SELECT
746	if (method == EVMETHOD_SELECT) select_destroy (EV_A);	887	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);
747	#endif	888	#endif
748		889
749	for (i = NUMPRI; i--; )	890	for (i = NUMPRI; i--; )
750	array_free (pending, [i]);	891	array_free (pending, [i]);
751		892
752	/* have to use the microsoft-never-gets-it-right macro */	893	/* have to use the microsoft-never-gets-it-right macro */
753	array_free_microshit (fdchange);	894	array_free (fdchange, EMPTY0);
754	array_free_microshit (timer);	895	array_free (timer, EMPTY0);
755	array_free_microshit (periodic);	896	#if EV_PERIODICS
756	array_free_microshit (idle);	897	array_free (periodic, EMPTY0);
757	array_free_microshit (prepare);	898	#endif
758	array_free_microshit (check);	899	array_free (idle, EMPTY0);
		900	array_free (prepare, EMPTY0);
		901	array_free (check, EMPTY0);
759		902
760	method = 0;	903	backend = 0;
761	}	904	}
762		905
763	static void	906	static void
764	loop_fork (EV_P)	907	loop_fork (EV_P)
765	{	908	{
		909	#if EV_USE_PORT
		910	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
		911	#endif
		912	#if EV_USE_KQUEUE
		913	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);
		914	#endif
766	#if EV_USE_EPOLL	915	#if EV_USE_EPOLL
767	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);	916	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
768	#endif
769	#if EV_USE_KQUEUE
770	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
771	#endif	917	#endif
772		918
773	if (ev_is_active (&sigev))	919	if (ev_is_active (&sigev))
774	{	920	{
775	/* default loop */	921	/* default loop */
…		…
788	postfork = 0;	934	postfork = 0;
789	}	935	}
790		936
791	#if EV_MULTIPLICITY	937	#if EV_MULTIPLICITY
792	struct ev_loop *	938	struct ev_loop *
793	ev_loop_new (int methods)	939	ev_loop_new (unsigned int flags)
794	{	940	{
795	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));	941	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
796		942
797	memset (loop, 0, sizeof (struct ev_loop));	943	memset (loop, 0, sizeof (struct ev_loop));
798		944
799	loop_init (EV_A_ methods);	945	loop_init (EV_A_ flags);
800		946
801	if (ev_method (EV_A))	947	if (ev_backend (EV_A))
802	return loop;	948	return loop;
803		949
804	return 0;	950	return 0;
805	}	951	}
806		952
…		…
818	}	964	}
819		965
820	#endif	966	#endif
821		967
822	#if EV_MULTIPLICITY	968	#if EV_MULTIPLICITY
823	struct ev_loop default_loop_struct;
824	static struct ev_loop *default_loop;
825
826	struct ev_loop *	969	struct ev_loop *
		970	ev_default_loop_init (unsigned int flags)
827	#else	971	#else
828	static int default_loop;
829
830	int	972	int
		973	ev_default_loop (unsigned int flags)
831	#endif	974	#endif
832	ev_default_loop (int methods)
833	{	975	{
834	if (sigpipe [0] == sigpipe [1])	976	if (sigpipe [0] == sigpipe [1])
835	if (pipe (sigpipe))	977	if (pipe (sigpipe))
836	return 0;	978	return 0;
837		979
838	if (!default_loop)	980	if (!ev_default_loop_ptr)
839	{	981	{
840	#if EV_MULTIPLICITY	982	#if EV_MULTIPLICITY
841	struct ev_loop *loop = default_loop = &default_loop_struct;	983	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
842	#else	984	#else
843	default_loop = 1;	985	ev_default_loop_ptr = 1;
844	#endif	986	#endif
845		987
846	loop_init (EV_A_ methods);	988	loop_init (EV_A_ flags);
847		989
848	if (ev_method (EV_A))	990	if (ev_backend (EV_A))
849	{	991	{
850	siginit (EV_A);	992	siginit (EV_A);
851		993
852	#ifndef WIN32	994	#ifndef _WIN32
853	ev_signal_init (&childev, childcb, SIGCHLD);	995	ev_signal_init (&childev, childcb, SIGCHLD);
854	ev_set_priority (&childev, EV_MAXPRI);	996	ev_set_priority (&childev, EV_MAXPRI);
855	ev_signal_start (EV_A_ &childev);	997	ev_signal_start (EV_A_ &childev);
856	ev_unref (EV_A); /* child watcher should not keep loop alive */	998	ev_unref (EV_A); /* child watcher should not keep loop alive */
857	#endif	999	#endif
858	}	1000	}
859	else	1001	else
860	default_loop = 0;	1002	ev_default_loop_ptr = 0;
861	}	1003	}
862		1004
863	return default_loop;	1005	return ev_default_loop_ptr;
864	}	1006	}
865		1007
866	void	1008	void
867	ev_default_destroy (void)	1009	ev_default_destroy (void)
868	{	1010	{
869	#if EV_MULTIPLICITY	1011	#if EV_MULTIPLICITY
870	struct ev_loop *loop = default_loop;	1012	struct ev_loop *loop = ev_default_loop_ptr;
871	#endif	1013	#endif
872		1014
873	#ifndef WIN32	1015	#ifndef _WIN32
874	ev_ref (EV_A); /* child watcher */	1016	ev_ref (EV_A); /* child watcher */
875	ev_signal_stop (EV_A_ &childev);	1017	ev_signal_stop (EV_A_ &childev);
876	#endif	1018	#endif
877		1019
878	ev_ref (EV_A); /* signal watcher */	1020	ev_ref (EV_A); /* signal watcher */
…		…
886		1028
887	void	1029	void
888	ev_default_fork (void)	1030	ev_default_fork (void)
889	{	1031	{
890	#if EV_MULTIPLICITY	1032	#if EV_MULTIPLICITY
891	struct ev_loop *loop = default_loop;	1033	struct ev_loop *loop = ev_default_loop_ptr;
892	#endif	1034	#endif
893		1035
894	if (method)	1036	if (backend)
895	postfork = 1;	1037	postfork = 1;
896	}	1038	}
897		1039
898	/*****************************************************************************/	1040	/*****************************************************************************/
899		1041
900	static void	1042	static int
		1043	any_pending (EV_P)
		1044	{
		1045	int pri;
		1046
		1047	for (pri = NUMPRI; pri--; )
		1048	if (pendingcnt [pri])
		1049	return 1;
		1050
		1051	return 0;
		1052	}
		1053
		1054	inline void
901	call_pending (EV_P)	1055	call_pending (EV_P)
902	{	1056	{
903	int pri;	1057	int pri;
904		1058
905	for (pri = NUMPRI; pri--; )	1059	for (pri = NUMPRI; pri--; )
906	while (pendingcnt [pri])	1060	while (pendingcnt [pri])
907	{	1061	{
908	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1062	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
909		1063
910	if (p->w)	1064	if (expect_true (p->w))
911	{	1065	{
912	p->w->pending = 0;	1066	p->w->pending = 0;
913	p->w->cb (EV_A_ p->w, p->events);	1067	EV_CB_INVOKE (p->w, p->events);
914	}	1068	}
915	}	1069	}
916	}	1070	}
917		1071
918	static void	1072	inline void
919	timers_reify (EV_P)	1073	timers_reify (EV_P)
920	{	1074	{
921	while (timercnt && ((WT)timers [0])->at <= mn_now)	1075	while (timercnt && ((WT)timers [0])->at <= mn_now)
922	{	1076	{
923	struct ev_timer *w = timers [0];	1077	struct ev_timer *w = timers [0];
…		…
926		1080
927	/* first reschedule or stop timer */	1081	/* first reschedule or stop timer */
928	if (w->repeat)	1082	if (w->repeat)
929	{	1083	{
930	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1084	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
		1085
931	((WT)w)->at = mn_now + w->repeat;	1086	((WT)w)->at += w->repeat;
		1087	if (((WT)w)->at < mn_now)
		1088	((WT)w)->at = mn_now;
		1089
932	downheap ((WT *)timers, timercnt, 0);	1090	downheap ((WT *)timers, timercnt, 0);
933	}	1091	}
934	else	1092	else
935	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1093	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
936		1094
937	event (EV_A_ (W)w, EV_TIMEOUT);	1095	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
938	}	1096	}
939	}	1097	}
940		1098
941	static void	1099	#if EV_PERIODICS
		1100	inline void
942	periodics_reify (EV_P)	1101	periodics_reify (EV_P)
943	{	1102	{
944	while (periodiccnt && ((WT)periodics [0])->at <= rt_now)	1103	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
945	{	1104	{
946	struct ev_periodic *w = periodics [0];	1105	struct ev_periodic *w = periodics [0];
947		1106
948	assert (("inactive timer on periodic heap detected", ev_is_active (w)));	1107	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
949		1108
950	/* first reschedule or stop timer */	1109	/* first reschedule or stop timer */
951	if (w->interval)	1110	if (w->reschedule_cb)
952	{	1111	{
		1112	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
		1113	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
		1114	downheap ((WT *)periodics, periodiccnt, 0);
		1115	}
		1116	else if (w->interval)
		1117	{
953	((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;	1118	((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
954	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now));	1119	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
955	downheap ((WT *)periodics, periodiccnt, 0);	1120	downheap ((WT *)periodics, periodiccnt, 0);
956	}	1121	}
957	else	1122	else
958	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1123	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
959		1124
960	event (EV_A_ (W)w, EV_PERIODIC);	1125	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
961	}	1126	}
962	}	1127	}
963		1128
964	static void	1129	static void
965	periodics_reschedule (EV_P)	1130	periodics_reschedule (EV_P)
…		…
969	/* adjust periodics after time jump */	1134	/* adjust periodics after time jump */
970	for (i = 0; i < periodiccnt; ++i)	1135	for (i = 0; i < periodiccnt; ++i)
971	{	1136	{
972	struct ev_periodic *w = periodics [i];	1137	struct ev_periodic *w = periodics [i];
973		1138
		1139	if (w->reschedule_cb)
		1140	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
974	if (w->interval)	1141	else if (w->interval)
975	{
976	ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;	1142	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
977
978	if (fabs (diff) >= 1e-4)
979	{
980	ev_periodic_stop (EV_A_ w);
981	ev_periodic_start (EV_A_ w);
982
983	i = 0; /* restart loop, inefficient, but time jumps should be rare */
984	}
985	}
986	}	1143	}
		1144
		1145	/* now rebuild the heap */
		1146	for (i = periodiccnt >> 1; i--; )
		1147	downheap ((WT *)periodics, periodiccnt, i);
987	}	1148	}
		1149	#endif
988		1150
989	inline int	1151	inline int
990	time_update_monotonic (EV_P)	1152	time_update_monotonic (EV_P)
991	{	1153	{
992	mn_now = get_clock ();	1154	mn_now = get_clock ();
993		1155
994	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1156	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
995	{	1157	{
996	rt_now = rtmn_diff + mn_now;	1158	ev_rt_now = rtmn_diff + mn_now;
997	return 0;	1159	return 0;
998	}	1160	}
999	else	1161	else
1000	{	1162	{
1001	now_floor = mn_now;	1163	now_floor = mn_now;
1002	rt_now = ev_time ();	1164	ev_rt_now = ev_time ();
1003	return 1;	1165	return 1;
1004	}	1166	}
1005	}	1167	}
1006		1168
1007	static void	1169	inline void
1008	time_update (EV_P)	1170	time_update (EV_P)
1009	{	1171	{
1010	int i;	1172	int i;
1011		1173
1012	#if EV_USE_MONOTONIC	1174	#if EV_USE_MONOTONIC
…		…
1016	{	1178	{
1017	ev_tstamp odiff = rtmn_diff;	1179	ev_tstamp odiff = rtmn_diff;
1018		1180
1019	for (i = 4; --i; ) /* loop a few times, before making important decisions */	1181	for (i = 4; --i; ) /* loop a few times, before making important decisions */
1020	{	1182	{
1021	rtmn_diff = rt_now - mn_now;	1183	rtmn_diff = ev_rt_now - mn_now;
1022		1184
1023	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1185	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
1024	return; /* all is well */	1186	return; /* all is well */
1025		1187
1026	rt_now = ev_time ();	1188	ev_rt_now = ev_time ();
1027	mn_now = get_clock ();	1189	mn_now = get_clock ();
1028	now_floor = mn_now;	1190	now_floor = mn_now;
1029	}	1191	}
1030		1192
		1193	# if EV_PERIODICS
1031	periodics_reschedule (EV_A);	1194	periodics_reschedule (EV_A);
		1195	# endif
1032	/* no timer adjustment, as the monotonic clock doesn't jump */	1196	/* no timer adjustment, as the monotonic clock doesn't jump */
1033	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */	1197	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1034	}	1198	}
1035	}	1199	}
1036	else	1200	else
1037	#endif	1201	#endif
1038	{	1202	{
1039	rt_now = ev_time ();	1203	ev_rt_now = ev_time ();
1040		1204
1041	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1205	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
1042	{	1206	{
		1207	#if EV_PERIODICS
1043	periodics_reschedule (EV_A);	1208	periodics_reschedule (EV_A);
		1209	#endif
1044		1210
1045	/* adjust timers. this is easy, as the offset is the same for all */	1211	/* adjust timers. this is easy, as the offset is the same for all */
1046	for (i = 0; i < timercnt; ++i)	1212	for (i = 0; i < timercnt; ++i)
1047	((WT)timers [i])->at += rt_now - mn_now;	1213	((WT)timers [i])->at += ev_rt_now - mn_now;
1048	}	1214	}
1049		1215
1050	mn_now = rt_now;	1216	mn_now = ev_rt_now;
1051	}	1217	}
1052	}	1218	}
1053		1219
1054	void	1220	void
1055	ev_ref (EV_P)	1221	ev_ref (EV_P)
…		…
1069	ev_loop (EV_P_ int flags)	1235	ev_loop (EV_P_ int flags)
1070	{	1236	{
1071	double block;	1237	double block;
1072	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1238	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
1073		1239
1074	do	1240	while (activecnt)
1075	{	1241	{
1076	/* queue check watchers (and execute them) */	1242	/* queue check watchers (and execute them) */
1077	if (expect_false (preparecnt))	1243	if (expect_false (preparecnt))
1078	{	1244	{
1079	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1245	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
…		…
1087	/* update fd-related kernel structures */	1253	/* update fd-related kernel structures */
1088	fd_reify (EV_A);	1254	fd_reify (EV_A);
1089		1255
1090	/* calculate blocking time */	1256	/* calculate blocking time */
1091		1257
1092	/* we only need this for !monotonic clockor timers, but as we basically	1258	/* we only need this for !monotonic clock or timers, but as we basically
1093	always have timers, we just calculate it always */	1259	always have timers, we just calculate it always */
1094	#if EV_USE_MONOTONIC	1260	#if EV_USE_MONOTONIC
1095	if (expect_true (have_monotonic))	1261	if (expect_true (have_monotonic))
1096	time_update_monotonic (EV_A);	1262	time_update_monotonic (EV_A);
1097	else	1263	else
1098	#endif	1264	#endif
1099	{	1265	{
1100	rt_now = ev_time ();	1266	ev_rt_now = ev_time ();
1101	mn_now = rt_now;	1267	mn_now = ev_rt_now;
1102	}	1268	}
1103		1269
1104	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1270	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
1105	block = 0.;	1271	block = 0.;
1106	else	1272	else
1107	{	1273	{
1108	block = MAX_BLOCKTIME;	1274	block = MAX_BLOCKTIME;
1109		1275
1110	if (timercnt)	1276	if (timercnt)
1111	{	1277	{
1112	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;	1278	ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;
1113	if (block > to) block = to;	1279	if (block > to) block = to;
1114	}	1280	}
1115		1281
		1282	#if EV_PERIODICS
1116	if (periodiccnt)	1283	if (periodiccnt)
1117	{	1284	{
1118	ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;	1285	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge;
1119	if (block > to) block = to;	1286	if (block > to) block = to;
1120	}	1287	}
		1288	#endif
1121		1289
1122	if (block < 0.) block = 0.;	1290	if (expect_false (block < 0.)) block = 0.;
1123	}	1291	}
1124		1292
1125	method_poll (EV_A_ block);	1293	backend_poll (EV_A_ block);
1126		1294
1127	/* update rt_now, do magic */	1295	/* update ev_rt_now, do magic */
1128	time_update (EV_A);	1296	time_update (EV_A);
1129		1297
1130	/* queue pending timers and reschedule them */	1298	/* queue pending timers and reschedule them */
1131	timers_reify (EV_A); /* relative timers called last */	1299	timers_reify (EV_A); /* relative timers called last */
		1300	#if EV_PERIODICS
1132	periodics_reify (EV_A); /* absolute timers called first */	1301	periodics_reify (EV_A); /* absolute timers called first */
		1302	#endif
1133		1303
1134	/* queue idle watchers unless io or timers are pending */	1304	/* queue idle watchers unless io or timers are pending */
1135	if (!pendingcnt)	1305	if (idlecnt && !any_pending (EV_A))
1136	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1306	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
1137		1307
1138	/* queue check watchers, to be executed first */	1308	/* queue check watchers, to be executed first */
1139	if (checkcnt)	1309	if (expect_false (checkcnt))
1140	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1310	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1141		1311
1142	call_pending (EV_A);	1312	call_pending (EV_A);
		1313
		1314	if (expect_false (loop_done))
		1315	break;
1143	}	1316	}
1144	while (activecnt && !loop_done);
1145		1317
1146	if (loop_done != 2)	1318	if (loop_done != 2)
1147	loop_done = 0;	1319	loop_done = 0;
1148	}	1320	}
1149		1321
…		…
1209	void	1381	void
1210	ev_io_start (EV_P_ struct ev_io *w)	1382	ev_io_start (EV_P_ struct ev_io *w)
1211	{	1383	{
1212	int fd = w->fd;	1384	int fd = w->fd;
1213		1385
1214	if (ev_is_active (w))	1386	if (expect_false (ev_is_active (w)))
1215	return;	1387	return;
1216		1388
1217	assert (("ev_io_start called with negative fd", fd >= 0));	1389	assert (("ev_io_start called with negative fd", fd >= 0));
1218		1390
1219	ev_start (EV_A_ (W)w, 1);	1391	ev_start (EV_A_ (W)w, 1);
1220	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	1392	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1221	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1393	wlist_add ((WL *)&anfds[fd].head, (WL)w);
1222		1394
1223	fd_change (EV_A_ fd);	1395	fd_change (EV_A_ fd);
1224	}	1396	}
1225		1397
1226	void	1398	void
1227	ev_io_stop (EV_P_ struct ev_io *w)	1399	ev_io_stop (EV_P_ struct ev_io *w)
1228	{	1400	{
1229	ev_clear_pending (EV_A_ (W)w);	1401	ev_clear_pending (EV_A_ (W)w);
1230	if (!ev_is_active (w))	1402	if (expect_false (!ev_is_active (w)))
1231	return;	1403	return;
		1404
		1405	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1232		1406
1233	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1407	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
1234	ev_stop (EV_A_ (W)w);	1408	ev_stop (EV_A_ (W)w);
1235		1409
1236	fd_change (EV_A_ w->fd);	1410	fd_change (EV_A_ w->fd);
1237	}	1411	}
1238		1412
1239	void	1413	void
1240	ev_timer_start (EV_P_ struct ev_timer *w)	1414	ev_timer_start (EV_P_ struct ev_timer *w)
1241	{	1415	{
1242	if (ev_is_active (w))	1416	if (expect_false (ev_is_active (w)))
1243	return;	1417	return;
1244		1418
1245	((WT)w)->at += mn_now;	1419	((WT)w)->at += mn_now;
1246		1420
1247	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1421	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1248		1422
1249	ev_start (EV_A_ (W)w, ++timercnt);	1423	ev_start (EV_A_ (W)w, ++timercnt);
1250	array_needsize (timers, timermax, timercnt, (void));	1424	array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2);
1251	timers [timercnt - 1] = w;	1425	timers [timercnt - 1] = w;
1252	upheap ((WT *)timers, timercnt - 1);	1426	upheap ((WT *)timers, timercnt - 1);
1253		1427
1254	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1428	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1255	}	1429	}
1256		1430
1257	void	1431	void
1258	ev_timer_stop (EV_P_ struct ev_timer *w)	1432	ev_timer_stop (EV_P_ struct ev_timer *w)
1259	{	1433	{
1260	ev_clear_pending (EV_A_ (W)w);	1434	ev_clear_pending (EV_A_ (W)w);
1261	if (!ev_is_active (w))	1435	if (expect_false (!ev_is_active (w)))
1262	return;	1436	return;
1263		1437
1264	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1438	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1265		1439
1266	if (((W)w)->active < timercnt--)	1440	if (expect_true (((W)w)->active < timercnt--))
1267	{	1441	{
1268	timers [((W)w)->active - 1] = timers [timercnt];	1442	timers [((W)w)->active - 1] = timers [timercnt];
1269	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1443	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1270	}	1444	}
1271		1445
1272	((WT)w)->at = w->repeat;	1446	((WT)w)->at -= mn_now;
1273		1447
1274	ev_stop (EV_A_ (W)w);	1448	ev_stop (EV_A_ (W)w);
1275	}	1449	}
1276		1450
1277	void	1451	void
…		…
1280	if (ev_is_active (w))	1454	if (ev_is_active (w))
1281	{	1455	{
1282	if (w->repeat)	1456	if (w->repeat)
1283	{	1457	{
1284	((WT)w)->at = mn_now + w->repeat;	1458	((WT)w)->at = mn_now + w->repeat;
1285	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1459	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1286	}	1460	}
1287	else	1461	else
1288	ev_timer_stop (EV_A_ w);	1462	ev_timer_stop (EV_A_ w);
1289	}	1463	}
1290	else if (w->repeat)	1464	else if (w->repeat)
		1465	{
		1466	w->at = w->repeat;
1291	ev_timer_start (EV_A_ w);	1467	ev_timer_start (EV_A_ w);
		1468	}
1292	}	1469	}
1293		1470
		1471	#if EV_PERIODICS
1294	void	1472	void
1295	ev_periodic_start (EV_P_ struct ev_periodic *w)	1473	ev_periodic_start (EV_P_ struct ev_periodic *w)
1296	{	1474	{
1297	if (ev_is_active (w))	1475	if (expect_false (ev_is_active (w)))
1298	return;	1476	return;
1299		1477
		1478	if (w->reschedule_cb)
		1479	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
		1480	else if (w->interval)
		1481	{
1300	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1482	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1301
1302	/* this formula differs from the one in periodic_reify because we do not always round up */	1483	/* this formula differs from the one in periodic_reify because we do not always round up */
1303	if (w->interval)
1304	((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;	1484	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
		1485	}
1305		1486
1306	ev_start (EV_A_ (W)w, ++periodiccnt);	1487	ev_start (EV_A_ (W)w, ++periodiccnt);
1307	array_needsize (periodics, periodicmax, periodiccnt, (void));	1488	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1308	periodics [periodiccnt - 1] = w;	1489	periodics [periodiccnt - 1] = w;
1309	upheap ((WT *)periodics, periodiccnt - 1);	1490	upheap ((WT *)periodics, periodiccnt - 1);
1310		1491
1311	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1492	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1312	}	1493	}
1313		1494
1314	void	1495	void
1315	ev_periodic_stop (EV_P_ struct ev_periodic *w)	1496	ev_periodic_stop (EV_P_ struct ev_periodic *w)
1316	{	1497	{
1317	ev_clear_pending (EV_A_ (W)w);	1498	ev_clear_pending (EV_A_ (W)w);
1318	if (!ev_is_active (w))	1499	if (expect_false (!ev_is_active (w)))
1319	return;	1500	return;
1320		1501
1321	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1502	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1322		1503
1323	if (((W)w)->active < periodiccnt--)	1504	if (expect_true (((W)w)->active < periodiccnt--))
1324	{	1505	{
1325	periodics [((W)w)->active - 1] = periodics [periodiccnt];	1506	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1326	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);	1507	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1327	}	1508	}
1328		1509
1329	ev_stop (EV_A_ (W)w);	1510	ev_stop (EV_A_ (W)w);
1330	}	1511	}
1331		1512
1332	void	1513	void
		1514	ev_periodic_again (EV_P_ struct ev_periodic *w)
		1515	{
		1516	/* TODO: use adjustheap and recalculation */
		1517	ev_periodic_stop (EV_A_ w);
		1518	ev_periodic_start (EV_A_ w);
		1519	}
		1520	#endif
		1521
		1522	void
1333	ev_idle_start (EV_P_ struct ev_idle *w)	1523	ev_idle_start (EV_P_ struct ev_idle *w)
1334	{	1524	{
1335	if (ev_is_active (w))	1525	if (expect_false (ev_is_active (w)))
1336	return;	1526	return;
1337		1527
1338	ev_start (EV_A_ (W)w, ++idlecnt);	1528	ev_start (EV_A_ (W)w, ++idlecnt);
1339	array_needsize (idles, idlemax, idlecnt, (void));	1529	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1340	idles [idlecnt - 1] = w;	1530	idles [idlecnt - 1] = w;
1341	}	1531	}
1342		1532
1343	void	1533	void
1344	ev_idle_stop (EV_P_ struct ev_idle *w)	1534	ev_idle_stop (EV_P_ struct ev_idle *w)
1345	{	1535	{
1346	ev_clear_pending (EV_A_ (W)w);	1536	ev_clear_pending (EV_A_ (W)w);
1347	if (ev_is_active (w))	1537	if (expect_false (!ev_is_active (w)))
1348	return;	1538	return;
1349		1539
1350	idles [((W)w)->active - 1] = idles [--idlecnt];	1540	idles [((W)w)->active - 1] = idles [--idlecnt];
1351	ev_stop (EV_A_ (W)w);	1541	ev_stop (EV_A_ (W)w);
1352	}	1542	}
1353		1543
1354	void	1544	void
1355	ev_prepare_start (EV_P_ struct ev_prepare *w)	1545	ev_prepare_start (EV_P_ struct ev_prepare *w)
1356	{	1546	{
1357	if (ev_is_active (w))	1547	if (expect_false (ev_is_active (w)))
1358	return;	1548	return;
1359		1549
1360	ev_start (EV_A_ (W)w, ++preparecnt);	1550	ev_start (EV_A_ (W)w, ++preparecnt);
1361	array_needsize (prepares, preparemax, preparecnt, (void));	1551	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1362	prepares [preparecnt - 1] = w;	1552	prepares [preparecnt - 1] = w;
1363	}	1553	}
1364		1554
1365	void	1555	void
1366	ev_prepare_stop (EV_P_ struct ev_prepare *w)	1556	ev_prepare_stop (EV_P_ struct ev_prepare *w)
1367	{	1557	{
1368	ev_clear_pending (EV_A_ (W)w);	1558	ev_clear_pending (EV_A_ (W)w);
1369	if (ev_is_active (w))	1559	if (expect_false (!ev_is_active (w)))
1370	return;	1560	return;
1371		1561
1372	prepares [((W)w)->active - 1] = prepares [--preparecnt];	1562	prepares [((W)w)->active - 1] = prepares [--preparecnt];
1373	ev_stop (EV_A_ (W)w);	1563	ev_stop (EV_A_ (W)w);
1374	}	1564	}
1375		1565
1376	void	1566	void
1377	ev_check_start (EV_P_ struct ev_check *w)	1567	ev_check_start (EV_P_ struct ev_check *w)
1378	{	1568	{
1379	if (ev_is_active (w))	1569	if (expect_false (ev_is_active (w)))
1380	return;	1570	return;
1381		1571
1382	ev_start (EV_A_ (W)w, ++checkcnt);	1572	ev_start (EV_A_ (W)w, ++checkcnt);
1383	array_needsize (checks, checkmax, checkcnt, (void));	1573	array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2);
1384	checks [checkcnt - 1] = w;	1574	checks [checkcnt - 1] = w;
1385	}	1575	}
1386		1576
1387	void	1577	void
1388	ev_check_stop (EV_P_ struct ev_check *w)	1578	ev_check_stop (EV_P_ struct ev_check *w)
1389	{	1579	{
1390	ev_clear_pending (EV_A_ (W)w);	1580	ev_clear_pending (EV_A_ (W)w);
1391	if (ev_is_active (w))	1581	if (expect_false (!ev_is_active (w)))
1392	return;	1582	return;
1393		1583
1394	checks [((W)w)->active - 1] = checks [--checkcnt];	1584	checks [((W)w)->active - 1] = checks [--checkcnt];
1395	ev_stop (EV_A_ (W)w);	1585	ev_stop (EV_A_ (W)w);
1396	}	1586	}
…		…
1401		1591
1402	void	1592	void
1403	ev_signal_start (EV_P_ struct ev_signal *w)	1593	ev_signal_start (EV_P_ struct ev_signal *w)
1404	{	1594	{
1405	#if EV_MULTIPLICITY	1595	#if EV_MULTIPLICITY
1406	assert (("signal watchers are only supported in the default loop", loop == default_loop));	1596	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1407	#endif	1597	#endif
1408	if (ev_is_active (w))	1598	if (expect_false (ev_is_active (w)))
1409	return;	1599	return;
1410		1600
1411	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1601	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1412		1602
1413	ev_start (EV_A_ (W)w, 1);	1603	ev_start (EV_A_ (W)w, 1);
1414	array_needsize (signals, signalmax, w->signum, signals_init);	1604	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1415	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1605	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1416		1606
1417	if (!((WL)w)->next)	1607	if (!((WL)w)->next)
1418	{	1608	{
1419	#if WIN32	1609	#if _WIN32
1420	signal (w->signum, sighandler);	1610	signal (w->signum, sighandler);
1421	#else	1611	#else
1422	struct sigaction sa;	1612	struct sigaction sa;
1423	sa.sa_handler = sighandler;	1613	sa.sa_handler = sighandler;
1424	sigfillset (&sa.sa_mask);	1614	sigfillset (&sa.sa_mask);
…		…
1430		1620
1431	void	1621	void
1432	ev_signal_stop (EV_P_ struct ev_signal *w)	1622	ev_signal_stop (EV_P_ struct ev_signal *w)
1433	{	1623	{
1434	ev_clear_pending (EV_A_ (W)w);	1624	ev_clear_pending (EV_A_ (W)w);
1435	if (!ev_is_active (w))	1625	if (expect_false (!ev_is_active (w)))
1436	return;	1626	return;
1437		1627
1438	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1628	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1439	ev_stop (EV_A_ (W)w);	1629	ev_stop (EV_A_ (W)w);
1440		1630
…		…
1444		1634
1445	void	1635	void
1446	ev_child_start (EV_P_ struct ev_child *w)	1636	ev_child_start (EV_P_ struct ev_child *w)
1447	{	1637	{
1448	#if EV_MULTIPLICITY	1638	#if EV_MULTIPLICITY
1449	assert (("child watchers are only supported in the default loop", loop == default_loop));	1639	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1450	#endif	1640	#endif
1451	if (ev_is_active (w))	1641	if (expect_false (ev_is_active (w)))
1452	return;	1642	return;
1453		1643
1454	ev_start (EV_A_ (W)w, 1);	1644	ev_start (EV_A_ (W)w, 1);
1455	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1645	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1456	}	1646	}
1457		1647
1458	void	1648	void
1459	ev_child_stop (EV_P_ struct ev_child *w)	1649	ev_child_stop (EV_P_ struct ev_child *w)
1460	{	1650	{
1461	ev_clear_pending (EV_A_ (W)w);	1651	ev_clear_pending (EV_A_ (W)w);
1462	if (ev_is_active (w))	1652	if (expect_false (!ev_is_active (w)))
1463	return;	1653	return;
1464		1654
1465	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1655	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1466	ev_stop (EV_A_ (W)w);	1656	ev_stop (EV_A_ (W)w);
1467	}	1657	}
…		…
1502	}	1692	}
1503		1693
1504	void	1694	void
1505	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1695	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1506	{	1696	{
1507	struct ev_once *once = ev_malloc (sizeof (struct ev_once));	1697	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1508		1698
1509	if (!once)	1699	if (expect_false (!once))
		1700	{
1510	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1701	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1511	else	1702	return;
1512	{	1703	}
		1704
1513	once->cb = cb;	1705	once->cb = cb;
1514	once->arg = arg;	1706	once->arg = arg;
1515		1707
1516	ev_watcher_init (&once->io, once_cb_io);	1708	ev_init (&once->io, once_cb_io);
1517	if (fd >= 0)	1709	if (fd >= 0)
1518	{	1710	{
1519	ev_io_set (&once->io, fd, events);	1711	ev_io_set (&once->io, fd, events);
1520	ev_io_start (EV_A_ &once->io);	1712	ev_io_start (EV_A_ &once->io);
1521	}	1713	}
1522		1714
1523	ev_watcher_init (&once->to, once_cb_to);	1715	ev_init (&once->to, once_cb_to);
1524	if (timeout >= 0.)	1716	if (timeout >= 0.)
1525	{	1717	{
1526	ev_timer_set (&once->to, timeout, 0.);	1718	ev_timer_set (&once->to, timeout, 0.);
1527	ev_timer_start (EV_A_ &once->to);	1719	ev_timer_start (EV_A_ &once->to);
1528	}
1529	}	1720	}
1530	}	1721	}
1531		1722
		1723	#ifdef __cplusplus
		1724	}
		1725	#endif
		1726

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Comparing libev/ev.c (file contents): Revision 1.71 by root, Tue Nov 6 13:17:55 2007 UTC vs. Revision 1.130 by root, Fri Nov 23 05:13:48 2007 UTC

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Comparing libev/ev.c (file contents):
Revision 1.71 by root, Tue Nov 6 13:17:55 2007 UTC vs.
Revision 1.130 by root, Fri Nov 23 05:13:48 2007 UTC