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Comparing libev/ev.c (file contents):
Revision 1.139 by root, Sun Nov 25 09:24:37 2007 UTC vs.
Revision 1.195 by root, Sat Dec 22 11:44:51 2007 UTC

…		…
51	# ifndef EV_USE_MONOTONIC	51	# ifndef EV_USE_MONOTONIC
52	# define EV_USE_MONOTONIC 0	52	# define EV_USE_MONOTONIC 0
53	# endif	53	# endif
54	# ifndef EV_USE_REALTIME	54	# ifndef EV_USE_REALTIME
55	# define EV_USE_REALTIME 0	55	# define EV_USE_REALTIME 0
		56	# endif
		57	# endif
		58
		59	# ifndef EV_USE_NANOSLEEP
		60	# if HAVE_NANOSLEEP
		61	# define EV_USE_NANOSLEEP 1
		62	# else
		63	# define EV_USE_NANOSLEEP 0
56	# endif	64	# endif
57	# endif	65	# endif
58		66
59	# ifndef EV_USE_SELECT	67	# ifndef EV_USE_SELECT
60	# if HAVE_SELECT && HAVE_SYS_SELECT_H	68	# if HAVE_SELECT && HAVE_SYS_SELECT_H
…		…
94	# else	102	# else
95	# define EV_USE_PORT 0	103	# define EV_USE_PORT 0
96	# endif	104	# endif
97	# endif	105	# endif
98		106
		107	# ifndef EV_USE_INOTIFY
		108	# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H
		109	# define EV_USE_INOTIFY 1
		110	# else
		111	# define EV_USE_INOTIFY 0
		112	# endif
		113	# endif
		114
99	#endif	115	#endif
100		116
101	#include <math.h>	117	#include <math.h>
102	#include <stdlib.h>	118	#include <stdlib.h>
103	#include <fcntl.h>	119	#include <fcntl.h>
…		…
110	#include <sys/types.h>	126	#include <sys/types.h>
111	#include <time.h>	127	#include <time.h>
112		128
113	#include <signal.h>	129	#include <signal.h>
114		130
		131	#ifdef EV_H
		132	# include EV_H
		133	#else
		134	# include "ev.h"
		135	#endif
		136
115	#ifndef _WIN32	137	#ifndef _WIN32
116	# include <unistd.h>
117	# include <sys/time.h>	138	# include <sys/time.h>
118	# include <sys/wait.h>	139	# include <sys/wait.h>
		140	# include <unistd.h>
119	#else	141	#else
120	# define WIN32_LEAN_AND_MEAN	142	# define WIN32_LEAN_AND_MEAN
121	# include <windows.h>	143	# include <windows.h>
122	# ifndef EV_SELECT_IS_WINSOCKET	144	# ifndef EV_SELECT_IS_WINSOCKET
123	# define EV_SELECT_IS_WINSOCKET 1	145	# define EV_SELECT_IS_WINSOCKET 1
…		…
132		154
133	#ifndef EV_USE_REALTIME	155	#ifndef EV_USE_REALTIME
134	# define EV_USE_REALTIME 0	156	# define EV_USE_REALTIME 0
135	#endif	157	#endif
136		158
		159	#ifndef EV_USE_NANOSLEEP
		160	# define EV_USE_NANOSLEEP 0
		161	#endif
		162
137	#ifndef EV_USE_SELECT	163	#ifndef EV_USE_SELECT
138	# define EV_USE_SELECT 1	164	# define EV_USE_SELECT 1
139	#endif	165	#endif
140		166
141	#ifndef EV_USE_POLL	167	#ifndef EV_USE_POLL
…		…
156		182
157	#ifndef EV_USE_PORT	183	#ifndef EV_USE_PORT
158	# define EV_USE_PORT 0	184	# define EV_USE_PORT 0
159	#endif	185	#endif
160		186
		187	#ifndef EV_USE_INOTIFY
		188	# define EV_USE_INOTIFY 0
		189	#endif
		190
		191	#ifndef EV_PID_HASHSIZE
		192	# if EV_MINIMAL
		193	# define EV_PID_HASHSIZE 1
		194	# else
		195	# define EV_PID_HASHSIZE 16
		196	# endif
		197	#endif
		198
		199	#ifndef EV_INOTIFY_HASHSIZE
		200	# if EV_MINIMAL
		201	# define EV_INOTIFY_HASHSIZE 1
		202	# else
		203	# define EV_INOTIFY_HASHSIZE 16
		204	# endif
		205	#endif
		206
161	/**/	207	/**/
162		208
163	#ifndef CLOCK_MONOTONIC	209	#ifndef CLOCK_MONOTONIC
164	# undef EV_USE_MONOTONIC	210	# undef EV_USE_MONOTONIC
165	# define EV_USE_MONOTONIC 0	211	# define EV_USE_MONOTONIC 0
…		…
168	#ifndef CLOCK_REALTIME	214	#ifndef CLOCK_REALTIME
169	# undef EV_USE_REALTIME	215	# undef EV_USE_REALTIME
170	# define EV_USE_REALTIME 0	216	# define EV_USE_REALTIME 0
171	#endif	217	#endif
172		218
		219	#if !EV_STAT_ENABLE
		220	# undef EV_USE_INOTIFY
		221	# define EV_USE_INOTIFY 0
		222	#endif
		223
		224	#if !EV_USE_NANOSLEEP
		225	# ifndef _WIN32
		226	# include <sys/select.h>
		227	# endif
		228	#endif
		229
		230	#if EV_USE_INOTIFY
		231	# include <sys/inotify.h>
		232	#endif
		233
173	#if EV_SELECT_IS_WINSOCKET	234	#if EV_SELECT_IS_WINSOCKET
174	# include <winsock.h>	235	# include <winsock.h>
175	#endif	236	#endif
176		237
177	/**/	238	/**/
178		239
		240	/*
		241	* This is used to avoid floating point rounding problems.
		242	* It is added to ev_rt_now when scheduling periodics
		243	* to ensure progress, time-wise, even when rounding
		244	* errors are against us.
		245	* This value is good at least till the year 4000.
		246	* Better solutions welcome.
		247	*/
		248	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
		249
179	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	250	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
180	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	251	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
181	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */
182	/*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */	252	/*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */
183		253
184	#ifdef EV_H
185	# include EV_H
186	#else
187	# include "ev.h"
188	#endif
189
190	#if __GNUC__ >= 3	254	#if __GNUC__ >= 4
191	# define expect(expr,value) __builtin_expect ((expr),(value))	255	# define expect(expr,value) __builtin_expect ((expr),(value))
192	# define inline static inline	256	# define noinline __attribute__ ((noinline))
193	#else	257	#else
194	# define expect(expr,value) (expr)	258	# define expect(expr,value) (expr)
195	# define inline static	259	# define noinline
		260	# if __STDC_VERSION__ < 199901L
		261	# define inline
		262	# endif
196	#endif	263	#endif
197		264
198	#define expect_false(expr) expect ((expr) != 0, 0)	265	#define expect_false(expr) expect ((expr) != 0, 0)
199	#define expect_true(expr) expect ((expr) != 0, 1)	266	#define expect_true(expr) expect ((expr) != 0, 1)
		267	#define inline_size static inline
		268
		269	#if EV_MINIMAL
		270	# define inline_speed static noinline
		271	#else
		272	# define inline_speed static inline
		273	#endif
200		274
201	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	275	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
202	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	276	#define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
203		277
204	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */	278	#define EMPTY /* required for microsofts broken pseudo-c compiler */
205	#define EMPTY2(a,b) /* used to suppress some warnings */	279	#define EMPTY2(a,b) /* used to suppress some warnings */
206		280
207	typedef ev_watcher *W;	281	typedef ev_watcher *W;
208	typedef ev_watcher_list *WL;	282	typedef ev_watcher_list *WL;
209	typedef ev_watcher_time *WT;	283	typedef ev_watcher_time *WT;
210		284
		285	/* sig_atomic_t is used to avoid per-thread variables or locking but still */
		286	/* giving it a reasonably high chance of working on typical architetcures */
211	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	287	static sig_atomic_t have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
212		288
213	#ifdef _WIN32	289	#ifdef _WIN32
214	# include "ev_win32.c"	290	# include "ev_win32.c"
215	#endif	291	#endif
216		292
217	/*****************************************************************************/	293	/*****************************************************************************/
218		294
219	static void (*syserr_cb)(const char *msg);	295	static void (*syserr_cb)(const char *msg);
220		296
		297	void
221	void ev_set_syserr_cb (void (*cb)(const char *msg))	298	ev_set_syserr_cb (void (*cb)(const char *msg))
222	{	299	{
223	syserr_cb = cb;	300	syserr_cb = cb;
224	}	301	}
225		302
226	static void	303	static void noinline
227	syserr (const char *msg)	304	syserr (const char *msg)
228	{	305	{
229	if (!msg)	306	if (!msg)
230	msg = "(libev) system error";	307	msg = "(libev) system error";
231		308
…		…
238	}	315	}
239	}	316	}
240		317
241	static void *(*alloc)(void *ptr, long size);	318	static void *(*alloc)(void *ptr, long size);
242		319
		320	void
243	void ev_set_allocator (void *(*cb)(void *ptr, long size))	321	ev_set_allocator (void *(*cb)(void *ptr, long size))
244	{	322	{
245	alloc = cb;	323	alloc = cb;
246	}	324	}
247		325
248	static void *	326	inline_speed void *
249	ev_realloc (void *ptr, long size)	327	ev_realloc (void *ptr, long size)
250	{	328	{
251	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);	329	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
252		330
253	if (!ptr && size)	331	if (!ptr && size)
…		…
277	typedef struct	355	typedef struct
278	{	356	{
279	W w;	357	W w;
280	int events;	358	int events;
281	} ANPENDING;	359	} ANPENDING;
		360
		361	#if EV_USE_INOTIFY
		362	typedef struct
		363	{
		364	WL head;
		365	} ANFS;
		366	#endif
282		367
283	#if EV_MULTIPLICITY	368	#if EV_MULTIPLICITY
284		369
285	struct ev_loop	370	struct ev_loop
286	{	371	{
…		…
320	gettimeofday (&tv, 0);	405	gettimeofday (&tv, 0);
321	return tv.tv_sec + tv.tv_usec * 1e-6;	406	return tv.tv_sec + tv.tv_usec * 1e-6;
322	#endif	407	#endif
323	}	408	}
324		409
325	inline ev_tstamp	410	ev_tstamp inline_size
326	get_clock (void)	411	get_clock (void)
327	{	412	{
328	#if EV_USE_MONOTONIC	413	#if EV_USE_MONOTONIC
329	if (expect_true (have_monotonic))	414	if (expect_true (have_monotonic))
330	{	415	{
…		…
343	{	428	{
344	return ev_rt_now;	429	return ev_rt_now;
345	}	430	}
346	#endif	431	#endif
347		432
348	#define array_roundsize(type,n) (((n) | 4) & ~3)	433	void
		434	ev_sleep (ev_tstamp delay)
		435	{
		436	if (delay > 0.)
		437	{
		438	#if EV_USE_NANOSLEEP
		439	struct timespec ts;
		440
		441	ts.tv_sec = (time_t)delay;
		442	ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
		443
		444	nanosleep (&ts, 0);
		445	#elif defined(_WIN32)
		446	Sleep (delay * 1e3);
		447	#else
		448	struct timeval tv;
		449
		450	tv.tv_sec = (time_t)delay;
		451	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
		452
		453	select (0, 0, 0, 0, &tv);
		454	#endif
		455	}
		456	}
		457
		458	/*****************************************************************************/
		459
		460	int inline_size
		461	array_nextsize (int elem, int cur, int cnt)
		462	{
		463	int ncur = cur + 1;
		464
		465	do
		466	ncur <<= 1;
		467	while (cnt > ncur);
		468
		469	/* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */
		470	if (elem * ncur > 4096)
		471	{
		472	ncur *= elem;
		473	ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095;
		474	ncur = ncur - sizeof (void *) * 4;
		475	ncur /= elem;
		476	}
		477
		478	return ncur;
		479	}
		480
		481	static noinline void *
		482	array_realloc (int elem, void *base, int *cur, int cnt)
		483	{
		484	*cur = array_nextsize (elem, *cur, cnt);
		485	return ev_realloc (base, elem * *cur);
		486	}
349		487
350	#define array_needsize(type,base,cur,cnt,init) \	488	#define array_needsize(type,base,cur,cnt,init) \
351	if (expect_false ((cnt) > cur)) \	489	if (expect_false ((cnt) > (cur))) \
352	{ \	490	{ \
353	int newcnt = cur; \	491	int ocur_ = (cur); \
354	do \	492	(base) = (type *)array_realloc \
355	{ \	493	(sizeof (type), (base), &(cur), (cnt)); \
356	newcnt = array_roundsize (type, newcnt << 1); \	494	init ((base) + (ocur_), (cur) - ocur_); \
357	} \
358	while ((cnt) > newcnt); \
359	\
360	base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\
361	init (base + cur, newcnt - cur); \
362	cur = newcnt; \
363	}	495	}
364		496
		497	#if 0
365	#define array_slim(type,stem) \	498	#define array_slim(type,stem) \
366	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	499	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
367	{ \	500	{ \
368	stem ## max = array_roundsize (stem ## cnt >> 1); \	501	stem ## max = array_roundsize (stem ## cnt >> 1); \
369	base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\	502	base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\
370	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\	503	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\
371	}	504	}
		505	#endif
372		506
373	#define array_free(stem, idx) \	507	#define array_free(stem, idx) \
374	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;	508	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
375		509
376	/*****************************************************************************/	510	/*****************************************************************************/
377		511
378	static void	512	void noinline
		513	ev_feed_event (EV_P_ void *w, int revents)
		514	{
		515	W w_ = (W)w;
		516	int pri = ABSPRI (w_);
		517
		518	if (expect_false (w_->pending))
		519	pendings [pri][w_->pending - 1].events |= revents;
		520	else
		521	{
		522	w_->pending = ++pendingcnt [pri];
		523	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
		524	pendings [pri][w_->pending - 1].w = w_;
		525	pendings [pri][w_->pending - 1].events = revents;
		526	}
		527	}
		528
		529	void inline_speed
		530	queue_events (EV_P_ W *events, int eventcnt, int type)
		531	{
		532	int i;
		533
		534	for (i = 0; i < eventcnt; ++i)
		535	ev_feed_event (EV_A_ events [i], type);
		536	}
		537
		538	/*****************************************************************************/
		539
		540	void inline_size
379	anfds_init (ANFD *base, int count)	541	anfds_init (ANFD *base, int count)
380	{	542	{
381	while (count--)	543	while (count--)
382	{	544	{
383	base->head = 0;	545	base->head = 0;
…		…
386		548
387	++base;	549	++base;
388	}	550	}
389	}	551	}
390		552
391	void	553	void inline_speed
392	ev_feed_event (EV_P_ void *w, int revents)
393	{
394	W w_ = (W)w;
395
396	if (expect_false (w_->pending))
397	{
398	pendings [ABSPRI (w_)][w_->pending - 1].events |= revents;
399	return;
400	}
401
402	w_->pending = ++pendingcnt [ABSPRI (w_)];
403	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
404	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
405	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
406	}
407
408	static void
409	queue_events (EV_P_ W *events, int eventcnt, int type)
410	{
411	int i;
412
413	for (i = 0; i < eventcnt; ++i)
414	ev_feed_event (EV_A_ events [i], type);
415	}
416
417	inline void
418	fd_event (EV_P_ int fd, int revents)	554	fd_event (EV_P_ int fd, int revents)
419	{	555	{
420	ANFD *anfd = anfds + fd;	556	ANFD *anfd = anfds + fd;
421	ev_io *w;	557	ev_io *w;
422		558
…		…
430	}	566	}
431		567
432	void	568	void
433	ev_feed_fd_event (EV_P_ int fd, int revents)	569	ev_feed_fd_event (EV_P_ int fd, int revents)
434	{	570	{
		571	if (fd >= 0 && fd < anfdmax)
435	fd_event (EV_A_ fd, revents);	572	fd_event (EV_A_ fd, revents);
436	}	573	}
437		574
438	/*****************************************************************************/	575	void inline_size
439
440	inline void
441	fd_reify (EV_P)	576	fd_reify (EV_P)
442	{	577	{
443	int i;	578	int i;
444		579
445	for (i = 0; i < fdchangecnt; ++i)	580	for (i = 0; i < fdchangecnt; ++i)
446	{	581	{
447	int fd = fdchanges [i];	582	int fd = fdchanges [i];
448	ANFD *anfd = anfds + fd;	583	ANFD *anfd = anfds + fd;
449	ev_io *w;	584	ev_io *w;
450		585
451	int events = 0;	586	unsigned char events = 0;
452		587
453	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)	588	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
454	events |= w->events;	589	events |= (unsigned char)w->events;
455		590
456	#if EV_SELECT_IS_WINSOCKET	591	#if EV_SELECT_IS_WINSOCKET
457	if (events)	592	if (events)
458	{	593	{
459	unsigned long argp;	594	unsigned long argp;
460	anfd->handle = _get_osfhandle (fd);	595	anfd->handle = _get_osfhandle (fd);
461	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));	596	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
462	}	597	}
463	#endif	598	#endif
464		599
		600	{
		601	unsigned char o_events = anfd->events;
		602	unsigned char o_reify = anfd->reify;
		603
465	anfd->reify = 0;	604	anfd->reify = 0;
466
467	backend_modify (EV_A_ fd, anfd->events, events);
468	anfd->events = events;	605	anfd->events = events;
		606
		607	if (o_events != events || o_reify & EV_IOFDSET)
		608	backend_modify (EV_A_ fd, o_events, events);
		609	}
469	}	610	}
470		611
471	fdchangecnt = 0;	612	fdchangecnt = 0;
472	}	613	}
473		614
474	static void	615	void inline_size
475	fd_change (EV_P_ int fd)	616	fd_change (EV_P_ int fd, int flags)
476	{	617	{
477	if (expect_false (anfds [fd].reify))	618	unsigned char reify = anfds [fd].reify;
478	return;
479
480	anfds [fd].reify = 1;	619	anfds [fd].reify |= flags;
481		620
		621	if (expect_true (!reify))
		622	{
482	++fdchangecnt;	623	++fdchangecnt;
483	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	624	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
484	fdchanges [fdchangecnt - 1] = fd;	625	fdchanges [fdchangecnt - 1] = fd;
		626	}
485	}	627	}
486		628
487	static void	629	void inline_speed
488	fd_kill (EV_P_ int fd)	630	fd_kill (EV_P_ int fd)
489	{	631	{
490	ev_io *w;	632	ev_io *w;
491		633
492	while ((w = (ev_io *)anfds [fd].head))	634	while ((w = (ev_io *)anfds [fd].head))
…		…
494	ev_io_stop (EV_A_ w);	636	ev_io_stop (EV_A_ w);
495	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	637	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
496	}	638	}
497	}	639	}
498		640
499	inline int	641	int inline_size
500	fd_valid (int fd)	642	fd_valid (int fd)
501	{	643	{
502	#ifdef _WIN32	644	#ifdef _WIN32
503	return _get_osfhandle (fd) != -1;	645	return _get_osfhandle (fd) != -1;
504	#else	646	#else
505	return fcntl (fd, F_GETFD) != -1;	647	return fcntl (fd, F_GETFD) != -1;
506	#endif	648	#endif
507	}	649	}
508		650
509	/* called on EBADF to verify fds */	651	/* called on EBADF to verify fds */
510	static void	652	static void noinline
511	fd_ebadf (EV_P)	653	fd_ebadf (EV_P)
512	{	654	{
513	int fd;	655	int fd;
514		656
515	for (fd = 0; fd < anfdmax; ++fd)	657	for (fd = 0; fd < anfdmax; ++fd)
…		…
517	if (!fd_valid (fd) == -1 && errno == EBADF)	659	if (!fd_valid (fd) == -1 && errno == EBADF)
518	fd_kill (EV_A_ fd);	660	fd_kill (EV_A_ fd);
519	}	661	}
520		662
521	/* called on ENOMEM in select/poll to kill some fds and retry */	663	/* called on ENOMEM in select/poll to kill some fds and retry */
522	static void	664	static void noinline
523	fd_enomem (EV_P)	665	fd_enomem (EV_P)
524	{	666	{
525	int fd;	667	int fd;
526		668
527	for (fd = anfdmax; fd--; )	669	for (fd = anfdmax; fd--; )
…		…
531	return;	673	return;
532	}	674	}
533	}	675	}
534		676
535	/* usually called after fork if backend needs to re-arm all fds from scratch */	677	/* usually called after fork if backend needs to re-arm all fds from scratch */
536	static void	678	static void noinline
537	fd_rearm_all (EV_P)	679	fd_rearm_all (EV_P)
538	{	680	{
539	int fd;	681	int fd;
540		682
541	/* this should be highly optimised to not do anything but set a flag */
542	for (fd = 0; fd < anfdmax; ++fd)	683	for (fd = 0; fd < anfdmax; ++fd)
543	if (anfds [fd].events)	684	if (anfds [fd].events)
544	{	685	{
545	anfds [fd].events = 0;	686	anfds [fd].events = 0;
546	fd_change (EV_A_ fd);	687	fd_change (EV_A_ fd, EV_IOFDSET | 1);
547	}	688	}
548	}	689	}
549		690
550	/*****************************************************************************/	691	/*****************************************************************************/
551		692
552	static void	693	void inline_speed
553	upheap (WT *heap, int k)	694	upheap (WT *heap, int k)
554	{	695	{
555	WT w = heap [k];	696	WT w = heap [k];
556		697
557	while (k && heap [k >> 1]->at > w->at)	698	while (k)
558	{	699	{
		700	int p = (k - 1) >> 1;
		701
		702	if (heap [p]->at <= w->at)
		703	break;
		704
559	heap [k] = heap [k >> 1];	705	heap [k] = heap [p];
560	((W)heap [k])->active = k + 1;	706	((W)heap [k])->active = k + 1;
561	k >>= 1;	707	k = p;
562	}	708	}
563		709
564	heap [k] = w;	710	heap [k] = w;
565	((W)heap [k])->active = k + 1;	711	((W)heap [k])->active = k + 1;
566
567	}	712	}
568		713
569	static void	714	void inline_speed
570	downheap (WT *heap, int N, int k)	715	downheap (WT *heap, int N, int k)
571	{	716	{
572	WT w = heap [k];	717	WT w = heap [k];
573		718
574	while (k < (N >> 1))	719	for (;;)
575	{	720	{
576	int j = k << 1;	721	int c = (k << 1) + 1;
577		722
578	if (j + 1 < N && heap [j]->at > heap [j + 1]->at)	723	if (c >= N)
579	++j;
580
581	if (w->at <= heap [j]->at)
582	break;	724	break;
583		725
		726	c += c + 1 < N && heap [c]->at > heap [c + 1]->at
		727	? 1 : 0;
		728
		729	if (w->at <= heap [c]->at)
		730	break;
		731
584	heap [k] = heap [j];	732	heap [k] = heap [c];
585	((W)heap [k])->active = k + 1;	733	((W)heap [k])->active = k + 1;
		734
586	k = j;	735	k = c;
587	}	736	}
588		737
589	heap [k] = w;	738	heap [k] = w;
590	((W)heap [k])->active = k + 1;	739	((W)heap [k])->active = k + 1;
591	}	740	}
592		741
593	inline void	742	void inline_size
594	adjustheap (WT *heap, int N, int k)	743	adjustheap (WT *heap, int N, int k)
595	{	744	{
596	upheap (heap, k);	745	upheap (heap, k);
597	downheap (heap, N, k);	746	downheap (heap, N, k);
598	}	747	}
…		…
610		759
611	static int sigpipe [2];	760	static int sigpipe [2];
612	static sig_atomic_t volatile gotsig;	761	static sig_atomic_t volatile gotsig;
613	static ev_io sigev;	762	static ev_io sigev;
614		763
615	static void	764	void inline_size
616	signals_init (ANSIG *base, int count)	765	signals_init (ANSIG *base, int count)
617	{	766	{
618	while (count--)	767	while (count--)
619	{	768	{
620	base->head = 0;	769	base->head = 0;
…		…
640	write (sigpipe [1], &signum, 1);	789	write (sigpipe [1], &signum, 1);
641	errno = old_errno;	790	errno = old_errno;
642	}	791	}
643	}	792	}
644		793
645	void	794	void noinline
646	ev_feed_signal_event (EV_P_ int signum)	795	ev_feed_signal_event (EV_P_ int signum)
647	{	796	{
648	WL w;	797	WL w;
649		798
650	#if EV_MULTIPLICITY	799	#if EV_MULTIPLICITY
…		…
673	for (signum = signalmax; signum--; )	822	for (signum = signalmax; signum--; )
674	if (signals [signum].gotsig)	823	if (signals [signum].gotsig)
675	ev_feed_signal_event (EV_A_ signum + 1);	824	ev_feed_signal_event (EV_A_ signum + 1);
676	}	825	}
677		826
678	static void	827	void inline_speed
679	fd_intern (int fd)	828	fd_intern (int fd)
680	{	829	{
681	#ifdef _WIN32	830	#ifdef _WIN32
682	int arg = 1;	831	int arg = 1;
683	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	832	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
…		…
685	fcntl (fd, F_SETFD, FD_CLOEXEC);	834	fcntl (fd, F_SETFD, FD_CLOEXEC);
686	fcntl (fd, F_SETFL, O_NONBLOCK);	835	fcntl (fd, F_SETFL, O_NONBLOCK);
687	#endif	836	#endif
688	}	837	}
689		838
690	static void	839	static void noinline
691	siginit (EV_P)	840	siginit (EV_P)
692	{	841	{
693	fd_intern (sigpipe [0]);	842	fd_intern (sigpipe [0]);
694	fd_intern (sigpipe [1]);	843	fd_intern (sigpipe [1]);
695		844
…		…
698	ev_unref (EV_A); /* child watcher should not keep loop alive */	847	ev_unref (EV_A); /* child watcher should not keep loop alive */
699	}	848	}
700		849
701	/*****************************************************************************/	850	/*****************************************************************************/
702		851
703	static ev_child *childs [PID_HASHSIZE];	852	static WL childs [EV_PID_HASHSIZE];
704		853
705	#ifndef _WIN32	854	#ifndef _WIN32
706		855
707	static ev_signal childev;	856	static ev_signal childev;
		857
		858	void inline_speed
		859	child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status)
		860	{
		861	ev_child *w;
		862
		863	for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)
		864	if (w->pid == pid || !w->pid)
		865	{
		866	ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */
		867	w->rpid = pid;
		868	w->rstatus = status;
		869	ev_feed_event (EV_A_ (W)w, EV_CHILD);
		870	}
		871	}
708		872
709	#ifndef WCONTINUED	873	#ifndef WCONTINUED
710	# define WCONTINUED 0	874	# define WCONTINUED 0
711	#endif	875	#endif
712		876
713	static void	877	static void
714	child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status)
715	{
716	ev_child *w;
717
718	for (w = (ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)
719	if (w->pid == pid || !w->pid)
720	{
721	ev_priority (w) = ev_priority (sw); /* need to do it *now* */
722	w->rpid = pid;
723	w->rstatus = status;
724	ev_feed_event (EV_A_ (W)w, EV_CHILD);
725	}
726	}
727
728	static void
729	childcb (EV_P_ ev_signal *sw, int revents)	878	childcb (EV_P_ ev_signal *sw, int revents)
730	{	879	{
731	int pid, status;	880	int pid, status;
732		881
		882	/* some systems define WCONTINUED but then fail to support it (linux 2.4) */
733	if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED)))	883	if (0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED)))
734	{	884	if (!WCONTINUED
		885	|| errno != EINVAL
		886	|| 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED)))
		887	return;
		888
735	/* make sure we are called again until all childs have been reaped */	889	/* make sure we are called again until all childs have been reaped */
736	/* we need to do it this way so that the callback gets called before we continue */	890	/* we need to do it this way so that the callback gets called before we continue */
737	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);	891	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
738		892
739	child_reap (EV_A_ sw, pid, pid, status);	893	child_reap (EV_A_ sw, pid, pid, status);
		894	if (EV_PID_HASHSIZE > 1)
740	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */	895	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
741	}
742	}	896	}
743		897
744	#endif	898	#endif
745		899
746	/*****************************************************************************/	900	/*****************************************************************************/
…		…
772	{	926	{
773	return EV_VERSION_MINOR;	927	return EV_VERSION_MINOR;
774	}	928	}
775		929
776	/* return true if we are running with elevated privileges and should ignore env variables */	930	/* return true if we are running with elevated privileges and should ignore env variables */
777	static int	931	int inline_size
778	enable_secure (void)	932	enable_secure (void)
779	{	933	{
780	#ifdef _WIN32	934	#ifdef _WIN32
781	return 0;	935	return 0;
782	#else	936	#else
…		…
818	}	972	}
819		973
820	unsigned int	974	unsigned int
821	ev_embeddable_backends (void)	975	ev_embeddable_backends (void)
822	{	976	{
		977	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
823	return EVBACKEND_EPOLL	978	return EVBACKEND_KQUEUE
824	| EVBACKEND_KQUEUE
825	| EVBACKEND_PORT;	979	| EVBACKEND_PORT;
826	}	980	}
827		981
828	unsigned int	982	unsigned int
829	ev_backend (EV_P)	983	ev_backend (EV_P)
830	{	984	{
831	return backend;	985	return backend;
832	}	986	}
833		987
834	static void	988	unsigned int
		989	ev_loop_count (EV_P)
		990	{
		991	return loop_count;
		992	}
		993
		994	void
		995	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)
		996	{
		997	io_blocktime = interval;
		998	}
		999
		1000	void
		1001	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)
		1002	{
		1003	timeout_blocktime = interval;
		1004	}
		1005
		1006	static void noinline
835	loop_init (EV_P_ unsigned int flags)	1007	loop_init (EV_P_ unsigned int flags)
836	{	1008	{
837	if (!backend)	1009	if (!backend)
838	{	1010	{
839	#if EV_USE_MONOTONIC	1011	#if EV_USE_MONOTONIC
…		…
847	ev_rt_now = ev_time ();	1019	ev_rt_now = ev_time ();
848	mn_now = get_clock ();	1020	mn_now = get_clock ();
849	now_floor = mn_now;	1021	now_floor = mn_now;
850	rtmn_diff = ev_rt_now - mn_now;	1022	rtmn_diff = ev_rt_now - mn_now;
851		1023
		1024	io_blocktime = 0.;
		1025	timeout_blocktime = 0.;
		1026
		1027	/* pid check not overridable via env */
		1028	#ifndef _WIN32
		1029	if (flags & EVFLAG_FORKCHECK)
		1030	curpid = getpid ();
		1031	#endif
		1032
852	if (!(flags & EVFLAG_NOENV)	1033	if (!(flags & EVFLAG_NOENV)
853	&& !enable_secure ()	1034	&& !enable_secure ()
854	&& getenv ("LIBEV_FLAGS"))	1035	&& getenv ("LIBEV_FLAGS"))
855	flags = atoi (getenv ("LIBEV_FLAGS"));	1036	flags = atoi (getenv ("LIBEV_FLAGS"));
856		1037
857	if (!(flags & 0x0000ffffUL))	1038	if (!(flags & 0x0000ffffUL))
858	flags |= ev_recommended_backends ();	1039	flags |= ev_recommended_backends ();
859		1040
860	backend = 0;	1041	backend = 0;
		1042	backend_fd = -1;
		1043	#if EV_USE_INOTIFY
		1044	fs_fd = -2;
		1045	#endif
		1046
861	#if EV_USE_PORT	1047	#if EV_USE_PORT
862	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	1048	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
863	#endif	1049	#endif
864	#if EV_USE_KQUEUE	1050	#if EV_USE_KQUEUE
865	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	1051	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
…		…
877	ev_init (&sigev, sigcb);	1063	ev_init (&sigev, sigcb);
878	ev_set_priority (&sigev, EV_MAXPRI);	1064	ev_set_priority (&sigev, EV_MAXPRI);
879	}	1065	}
880	}	1066	}
881		1067
882	static void	1068	static void noinline
883	loop_destroy (EV_P)	1069	loop_destroy (EV_P)
884	{	1070	{
885	int i;	1071	int i;
		1072
		1073	#if EV_USE_INOTIFY
		1074	if (fs_fd >= 0)
		1075	close (fs_fd);
		1076	#endif
		1077
		1078	if (backend_fd >= 0)
		1079	close (backend_fd);
886		1080
887	#if EV_USE_PORT	1081	#if EV_USE_PORT
888	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	1082	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
889	#endif	1083	#endif
890	#if EV_USE_KQUEUE	1084	#if EV_USE_KQUEUE
…		…
899	#if EV_USE_SELECT	1093	#if EV_USE_SELECT
900	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	1094	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);
901	#endif	1095	#endif
902		1096
903	for (i = NUMPRI; i--; )	1097	for (i = NUMPRI; i--; )
		1098	{
904	array_free (pending, [i]);	1099	array_free (pending, [i]);
		1100	#if EV_IDLE_ENABLE
		1101	array_free (idle, [i]);
		1102	#endif
		1103	}
		1104
		1105	ev_free (anfds); anfdmax = 0;
905		1106
906	/* have to use the microsoft-never-gets-it-right macro */	1107	/* have to use the microsoft-never-gets-it-right macro */
907	array_free (fdchange, EMPTY0);	1108	array_free (fdchange, EMPTY);
908	array_free (timer, EMPTY0);	1109	array_free (timer, EMPTY);
909	#if EV_PERIODICS	1110	#if EV_PERIODIC_ENABLE
910	array_free (periodic, EMPTY0);	1111	array_free (periodic, EMPTY);
911	#endif	1112	#endif
		1113	#if EV_FORK_ENABLE
912	array_free (idle, EMPTY0);	1114	array_free (fork, EMPTY);
		1115	#endif
913	array_free (prepare, EMPTY0);	1116	array_free (prepare, EMPTY);
914	array_free (check, EMPTY0);	1117	array_free (check, EMPTY);
915		1118
916	backend = 0;	1119	backend = 0;
917	}	1120	}
918		1121
919	static void	1122	void inline_size infy_fork (EV_P);
		1123
		1124	void inline_size
920	loop_fork (EV_P)	1125	loop_fork (EV_P)
921	{	1126	{
922	#if EV_USE_PORT	1127	#if EV_USE_PORT
923	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	1128	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
924	#endif	1129	#endif
925	#if EV_USE_KQUEUE	1130	#if EV_USE_KQUEUE
926	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	1131	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);
927	#endif	1132	#endif
928	#if EV_USE_EPOLL	1133	#if EV_USE_EPOLL
929	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	1134	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
		1135	#endif
		1136	#if EV_USE_INOTIFY
		1137	infy_fork (EV_A);
930	#endif	1138	#endif
931		1139
932	if (ev_is_active (&sigev))	1140	if (ev_is_active (&sigev))
933	{	1141	{
934	/* default loop */	1142	/* default loop */
…		…
1050	postfork = 1;	1258	postfork = 1;
1051	}	1259	}
1052		1260
1053	/*****************************************************************************/	1261	/*****************************************************************************/
1054		1262
1055	static int	1263	void
1056	any_pending (EV_P)	1264	ev_invoke (EV_P_ void *w, int revents)
1057	{	1265	{
1058	int pri;	1266	EV_CB_INVOKE ((W)w, revents);
1059
1060	for (pri = NUMPRI; pri--; )
1061	if (pendingcnt [pri])
1062	return 1;
1063
1064	return 0;
1065	}	1267	}
1066		1268
1067	inline void	1269	void inline_speed
1068	call_pending (EV_P)	1270	call_pending (EV_P)
1069	{	1271	{
1070	int pri;	1272	int pri;
1071		1273
1072	for (pri = NUMPRI; pri--; )	1274	for (pri = NUMPRI; pri--; )
…		…
1074	{	1276	{
1075	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1277	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
1076		1278
1077	if (expect_true (p->w))	1279	if (expect_true (p->w))
1078	{	1280	{
1079	assert (("non-pending watcher on pending list", p->w->pending));	1281	/*assert (("non-pending watcher on pending list", p->w->pending));*/
1080		1282
1081	p->w->pending = 0;	1283	p->w->pending = 0;
1082	EV_CB_INVOKE (p->w, p->events);	1284	EV_CB_INVOKE (p->w, p->events);
1083	}	1285	}
1084	}	1286	}
1085	}	1287	}
1086		1288
1087	inline void	1289	void inline_size
1088	timers_reify (EV_P)	1290	timers_reify (EV_P)
1089	{	1291	{
1090	while (timercnt && ((WT)timers [0])->at <= mn_now)	1292	while (timercnt && ((WT)timers [0])->at <= mn_now)
1091	{	1293	{
1092	ev_timer *w = timers [0];	1294	ev_timer *w = (ev_timer *)timers [0];
1093		1295
1094	assert (("inactive timer on timer heap detected", ev_is_active (w)));	1296	/*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/
1095		1297
1096	/* first reschedule or stop timer */	1298	/* first reschedule or stop timer */
1097	if (w->repeat)	1299	if (w->repeat)
1098	{	1300	{
1099	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1301	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1100		1302
1101	((WT)w)->at += w->repeat;	1303	((WT)w)->at += w->repeat;
1102	if (((WT)w)->at < mn_now)	1304	if (((WT)w)->at < mn_now)
1103	((WT)w)->at = mn_now;	1305	((WT)w)->at = mn_now;
1104		1306
1105	downheap ((WT *)timers, timercnt, 0);	1307	downheap (timers, timercnt, 0);
1106	}	1308	}
1107	else	1309	else
1108	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1310	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1109		1311
1110	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1312	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1111	}	1313	}
1112	}	1314	}
1113		1315
1114	#if EV_PERIODICS	1316	#if EV_PERIODIC_ENABLE
1115	inline void	1317	void inline_size
1116	periodics_reify (EV_P)	1318	periodics_reify (EV_P)
1117	{	1319	{
1118	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)	1320	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1119	{	1321	{
1120	ev_periodic *w = periodics [0];	1322	ev_periodic *w = (ev_periodic *)periodics [0];
1121		1323
1122	assert (("inactive timer on periodic heap detected", ev_is_active (w)));	1324	/*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/
1123		1325
1124	/* first reschedule or stop timer */	1326	/* first reschedule or stop timer */
1125	if (w->reschedule_cb)	1327	if (w->reschedule_cb)
1126	{	1328	{
1127	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);	1329	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON);
1128	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));	1330	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1129	downheap ((WT *)periodics, periodiccnt, 0);	1331	downheap (periodics, periodiccnt, 0);
1130	}	1332	}
1131	else if (w->interval)	1333	else if (w->interval)
1132	{	1334	{
1133	((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;	1335	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
		1336	if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval;
1134	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));	1337	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
1135	downheap ((WT *)periodics, periodiccnt, 0);	1338	downheap (periodics, periodiccnt, 0);
1136	}	1339	}
1137	else	1340	else
1138	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1341	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1139		1342
1140	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);	1343	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1141	}	1344	}
1142	}	1345	}
1143		1346
1144	static void	1347	static void noinline
1145	periodics_reschedule (EV_P)	1348	periodics_reschedule (EV_P)
1146	{	1349	{
1147	int i;	1350	int i;
1148		1351
1149	/* adjust periodics after time jump */	1352	/* adjust periodics after time jump */
1150	for (i = 0; i < periodiccnt; ++i)	1353	for (i = 0; i < periodiccnt; ++i)
1151	{	1354	{
1152	ev_periodic *w = periodics [i];	1355	ev_periodic *w = (ev_periodic *)periodics [i];
1153		1356
1154	if (w->reschedule_cb)	1357	if (w->reschedule_cb)
1155	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1358	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1156	else if (w->interval)	1359	else if (w->interval)
1157	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;	1360	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1158	}	1361	}
1159		1362
1160	/* now rebuild the heap */	1363	/* now rebuild the heap */
1161	for (i = periodiccnt >> 1; i--; )	1364	for (i = periodiccnt >> 1; i--; )
1162	downheap ((WT *)periodics, periodiccnt, i);	1365	downheap (periodics, periodiccnt, i);
1163	}	1366	}
1164	#endif	1367	#endif
1165		1368
1166	inline int	1369	#if EV_IDLE_ENABLE
1167	time_update_monotonic (EV_P)	1370	void inline_size
		1371	idle_reify (EV_P)
1168	{	1372	{
		1373	if (expect_false (idleall))
		1374	{
		1375	int pri;
		1376
		1377	for (pri = NUMPRI; pri--; )
		1378	{
		1379	if (pendingcnt [pri])
		1380	break;
		1381
		1382	if (idlecnt [pri])
		1383	{
		1384	queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE);
		1385	break;
		1386	}
		1387	}
		1388	}
		1389	}
		1390	#endif
		1391
		1392	void inline_speed
		1393	time_update (EV_P_ ev_tstamp max_block)
		1394	{
		1395	int i;
		1396
		1397	#if EV_USE_MONOTONIC
		1398	if (expect_true (have_monotonic))
		1399	{
		1400	ev_tstamp odiff = rtmn_diff;
		1401
1169	mn_now = get_clock ();	1402	mn_now = get_clock ();
1170		1403
		1404	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
		1405	/* interpolate in the meantime */
1171	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1406	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
1172	{	1407	{
1173	ev_rt_now = rtmn_diff + mn_now;	1408	ev_rt_now = rtmn_diff + mn_now;
1174	return 0;	1409	return;
1175	}	1410	}
1176	else	1411
1177	{
1178	now_floor = mn_now;	1412	now_floor = mn_now;
1179	ev_rt_now = ev_time ();	1413	ev_rt_now = ev_time ();
1180	return 1;
1181	}
1182	}
1183		1414
1184	inline void	1415	/* loop a few times, before making important decisions.
1185	time_update (EV_P)	1416	* on the choice of "4": one iteration isn't enough,
1186	{	1417	* in case we get preempted during the calls to
1187	int i;	1418	* ev_time and get_clock. a second call is almost guaranteed
1188		1419	* to succeed in that case, though. and looping a few more times
1189	#if EV_USE_MONOTONIC	1420	* doesn't hurt either as we only do this on time-jumps or
1190	if (expect_true (have_monotonic))	1421	* in the unlikely event of having been preempted here.
1191	{	1422	*/
1192	if (time_update_monotonic (EV_A))	1423	for (i = 4; --i; )
1193	{	1424	{
1194	ev_tstamp odiff = rtmn_diff;
1195
1196	/* loop a few times, before making important decisions.
1197	* on the choice of "4": one iteration isn't enough,
1198	* in case we get preempted during the calls to
1199	* ev_time and get_clock. a second call is almost guarenteed
1200	* to succeed in that case, though. and looping a few more times
1201	* doesn't hurt either as we only do this on time-jumps or
1202	* in the unlikely event of getting preempted here.
1203	*/
1204	for (i = 4; --i; )
1205	{
1206	rtmn_diff = ev_rt_now - mn_now;	1425	rtmn_diff = ev_rt_now - mn_now;
1207		1426
1208	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1427	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
1209	return; /* all is well */	1428	return; /* all is well */
1210		1429
1211	ev_rt_now = ev_time ();	1430	ev_rt_now = ev_time ();
1212	mn_now = get_clock ();	1431	mn_now = get_clock ();
1213	now_floor = mn_now;	1432	now_floor = mn_now;
1214	}	1433	}
1215		1434
1216	# if EV_PERIODICS	1435	# if EV_PERIODIC_ENABLE
		1436	periodics_reschedule (EV_A);
		1437	# endif
		1438	/* no timer adjustment, as the monotonic clock doesn't jump */
		1439	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
		1440	}
		1441	else
		1442	#endif
		1443	{
		1444	ev_rt_now = ev_time ();
		1445
		1446	if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))
		1447	{
		1448	#if EV_PERIODIC_ENABLE
1217	periodics_reschedule (EV_A);	1449	periodics_reschedule (EV_A);
1218	# endif	1450	#endif
1219	/* no timer adjustment, as the monotonic clock doesn't jump */
1220	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1221	}
1222	}
1223	else
1224	#endif
1225	{
1226	ev_rt_now = ev_time ();
1227
1228	if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
1229	{
1230	#if EV_PERIODICS
1231	periodics_reschedule (EV_A);
1232	#endif
1233
1234	/* adjust timers. this is easy, as the offset is the same for all */	1451	/* adjust timers. this is easy, as the offset is the same for all of them */
1235	for (i = 0; i < timercnt; ++i)	1452	for (i = 0; i < timercnt; ++i)
1236	((WT)timers [i])->at += ev_rt_now - mn_now;	1453	((WT)timers [i])->at += ev_rt_now - mn_now;
1237	}	1454	}
1238		1455
1239	mn_now = ev_rt_now;	1456	mn_now = ev_rt_now;
…		…
1259	{	1476	{
1260	loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)	1477	loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)
1261	? EVUNLOOP_ONE	1478	? EVUNLOOP_ONE
1262	: EVUNLOOP_CANCEL;	1479	: EVUNLOOP_CANCEL;
1263		1480
1264	while (activecnt)	1481	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */
		1482
		1483	do
1265	{	1484	{
		1485	#ifndef _WIN32
		1486	if (expect_false (curpid)) /* penalise the forking check even more */
		1487	if (expect_false (getpid () != curpid))
		1488	{
		1489	curpid = getpid ();
		1490	postfork = 1;
		1491	}
		1492	#endif
		1493
		1494	#if EV_FORK_ENABLE
		1495	/* we might have forked, so queue fork handlers */
		1496	if (expect_false (postfork))
		1497	if (forkcnt)
		1498	{
		1499	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
		1500	call_pending (EV_A);
		1501	}
		1502	#endif
		1503
1266	/* queue check watchers (and execute them) */	1504	/* queue prepare watchers (and execute them) */
1267	if (expect_false (preparecnt))	1505	if (expect_false (preparecnt))
1268	{	1506	{
1269	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1507	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
1270	call_pending (EV_A);	1508	call_pending (EV_A);
1271	}	1509	}
1272		1510
		1511	if (expect_false (!activecnt))
		1512	break;
		1513
1273	/* we might have forked, so reify kernel state if necessary */	1514	/* we might have forked, so reify kernel state if necessary */
1274	if (expect_false (postfork))	1515	if (expect_false (postfork))
1275	loop_fork (EV_A);	1516	loop_fork (EV_A);
1276		1517
1277	/* update fd-related kernel structures */	1518	/* update fd-related kernel structures */
1278	fd_reify (EV_A);	1519	fd_reify (EV_A);
1279		1520
1280	/* calculate blocking time */	1521	/* calculate blocking time */
1281	{	1522	{
1282	double block;	1523	ev_tstamp waittime = 0.;
		1524	ev_tstamp sleeptime = 0.;
1283		1525
1284	if (flags & EVLOOP_NONBLOCK || idlecnt)	1526	if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt)))
1285	block = 0.; /* do not block at all */
1286	else
1287	{	1527	{
1288	/* update time to cancel out callback processing overhead */	1528	/* update time to cancel out callback processing overhead */
1289	#if EV_USE_MONOTONIC
1290	if (expect_true (have_monotonic))
1291	time_update_monotonic (EV_A);	1529	time_update (EV_A_ 1e100);
1292	else
1293	#endif
1294	{
1295	ev_rt_now = ev_time ();
1296	mn_now = ev_rt_now;
1297	}
1298		1530
1299	block = MAX_BLOCKTIME;	1531	waittime = MAX_BLOCKTIME;
1300		1532
1301	if (timercnt)	1533	if (timercnt)
1302	{	1534	{
1303	ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;	1535	ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;
1304	if (block > to) block = to;	1536	if (waittime > to) waittime = to;
1305	}	1537	}
1306		1538
1307	#if EV_PERIODICS	1539	#if EV_PERIODIC_ENABLE
1308	if (periodiccnt)	1540	if (periodiccnt)
1309	{	1541	{
1310	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge;	1542	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge;
1311	if (block > to) block = to;	1543	if (waittime > to) waittime = to;
1312	}	1544	}
1313	#endif	1545	#endif
1314		1546
1315	if (expect_false (block < 0.)) block = 0.;	1547	if (expect_false (waittime < timeout_blocktime))
		1548	waittime = timeout_blocktime;
		1549
		1550	sleeptime = waittime - backend_fudge;
		1551
		1552	if (expect_true (sleeptime > io_blocktime))
		1553	sleeptime = io_blocktime;
		1554
		1555	if (sleeptime)
		1556	{
		1557	ev_sleep (sleeptime);
		1558	waittime -= sleeptime;
		1559	}
1316	}	1560	}
1317		1561
		1562	++loop_count;
1318	backend_poll (EV_A_ block);	1563	backend_poll (EV_A_ waittime);
		1564
		1565	/* update ev_rt_now, do magic */
		1566	time_update (EV_A_ waittime + sleeptime);
1319	}	1567	}
1320
1321	/* update ev_rt_now, do magic */
1322	time_update (EV_A);
1323		1568
1324	/* queue pending timers and reschedule them */	1569	/* queue pending timers and reschedule them */
1325	timers_reify (EV_A); /* relative timers called last */	1570	timers_reify (EV_A); /* relative timers called last */
1326	#if EV_PERIODICS	1571	#if EV_PERIODIC_ENABLE
1327	periodics_reify (EV_A); /* absolute timers called first */	1572	periodics_reify (EV_A); /* absolute timers called first */
1328	#endif	1573	#endif
1329		1574
		1575	#if EV_IDLE_ENABLE
1330	/* queue idle watchers unless other events are pending */	1576	/* queue idle watchers unless other events are pending */
1331	if (idlecnt && !any_pending (EV_A))	1577	idle_reify (EV_A);
1332	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1578	#endif
1333		1579
1334	/* queue check watchers, to be executed first */	1580	/* queue check watchers, to be executed first */
1335	if (expect_false (checkcnt))	1581	if (expect_false (checkcnt))
1336	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1582	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1337		1583
1338	call_pending (EV_A);	1584	call_pending (EV_A);
1339		1585
1340	if (expect_false (loop_done))
1341	break;
1342	}	1586	}
		1587	while (expect_true (activecnt && !loop_done));
1343		1588
1344	if (loop_done == EVUNLOOP_ONE)	1589	if (loop_done == EVUNLOOP_ONE)
1345	loop_done = EVUNLOOP_CANCEL;	1590	loop_done = EVUNLOOP_CANCEL;
1346	}	1591	}
1347		1592
…		…
1351	loop_done = how;	1596	loop_done = how;
1352	}	1597	}
1353		1598
1354	/*****************************************************************************/	1599	/*****************************************************************************/
1355		1600
1356	inline void	1601	void inline_size
1357	wlist_add (WL *head, WL elem)	1602	wlist_add (WL *head, WL elem)
1358	{	1603	{
1359	elem->next = *head;	1604	elem->next = *head;
1360	*head = elem;	1605	*head = elem;
1361	}	1606	}
1362		1607
1363	inline void	1608	void inline_size
1364	wlist_del (WL *head, WL elem)	1609	wlist_del (WL *head, WL elem)
1365	{	1610	{
1366	while (*head)	1611	while (*head)
1367	{	1612	{
1368	if (*head == elem)	1613	if (*head == elem)
…		…
1373		1618
1374	head = &(*head)->next;	1619	head = &(*head)->next;
1375	}	1620	}
1376	}	1621	}
1377		1622
1378	inline void	1623	void inline_speed
1379	ev_clear_pending (EV_P_ W w)	1624	clear_pending (EV_P_ W w)
1380	{	1625	{
1381	if (w->pending)	1626	if (w->pending)
1382	{	1627	{
1383	pendings [ABSPRI (w)][w->pending - 1].w = 0;	1628	pendings [ABSPRI (w)][w->pending - 1].w = 0;
1384	w->pending = 0;	1629	w->pending = 0;
1385	}	1630	}
1386	}	1631	}
1387		1632
1388	inline void	1633	int
		1634	ev_clear_pending (EV_P_ void *w)
		1635	{
		1636	W w_ = (W)w;
		1637	int pending = w_->pending;
		1638
		1639	if (expect_true (pending))
		1640	{
		1641	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
		1642	w_->pending = 0;
		1643	p->w = 0;
		1644	return p->events;
		1645	}
		1646	else
		1647	return 0;
		1648	}
		1649
		1650	void inline_size
		1651	pri_adjust (EV_P_ W w)
		1652	{
		1653	int pri = w->priority;
		1654	pri = pri < EV_MINPRI ? EV_MINPRI : pri;
		1655	pri = pri > EV_MAXPRI ? EV_MAXPRI : pri;
		1656	w->priority = pri;
		1657	}
		1658
		1659	void inline_speed
1389	ev_start (EV_P_ W w, int active)	1660	ev_start (EV_P_ W w, int active)
1390	{	1661	{
1391	if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;	1662	pri_adjust (EV_A_ w);
1392	if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
1393
1394	w->active = active;	1663	w->active = active;
1395	ev_ref (EV_A);	1664	ev_ref (EV_A);
1396	}	1665	}
1397		1666
1398	inline void	1667	void inline_size
1399	ev_stop (EV_P_ W w)	1668	ev_stop (EV_P_ W w)
1400	{	1669	{
1401	ev_unref (EV_A);	1670	ev_unref (EV_A);
1402	w->active = 0;	1671	w->active = 0;
1403	}	1672	}
1404		1673
1405	/*****************************************************************************/	1674	/*****************************************************************************/
1406		1675
1407	void	1676	void noinline
1408	ev_io_start (EV_P_ ev_io *w)	1677	ev_io_start (EV_P_ ev_io *w)
1409	{	1678	{
1410	int fd = w->fd;	1679	int fd = w->fd;
1411		1680
1412	if (expect_false (ev_is_active (w)))	1681	if (expect_false (ev_is_active (w)))
…		…
1414		1683
1415	assert (("ev_io_start called with negative fd", fd >= 0));	1684	assert (("ev_io_start called with negative fd", fd >= 0));
1416		1685
1417	ev_start (EV_A_ (W)w, 1);	1686	ev_start (EV_A_ (W)w, 1);
1418	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);	1687	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1419	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1688	wlist_add (&anfds[fd].head, (WL)w);
1420		1689
1421	fd_change (EV_A_ fd);	1690	fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);
		1691	w->events &= ~EV_IOFDSET;
1422	}	1692	}
1423		1693
1424	void	1694	void noinline
1425	ev_io_stop (EV_P_ ev_io *w)	1695	ev_io_stop (EV_P_ ev_io *w)
1426	{	1696	{
1427	ev_clear_pending (EV_A_ (W)w);	1697	clear_pending (EV_A_ (W)w);
1428	if (expect_false (!ev_is_active (w)))	1698	if (expect_false (!ev_is_active (w)))
1429	return;	1699	return;
1430		1700
1431	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	1701	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1432		1702
1433	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1703	wlist_del (&anfds[w->fd].head, (WL)w);
1434	ev_stop (EV_A_ (W)w);	1704	ev_stop (EV_A_ (W)w);
1435		1705
1436	fd_change (EV_A_ w->fd);	1706	fd_change (EV_A_ w->fd, 1);
1437	}	1707	}
1438		1708
1439	void	1709	void noinline
1440	ev_timer_start (EV_P_ ev_timer *w)	1710	ev_timer_start (EV_P_ ev_timer *w)
1441	{	1711	{
1442	if (expect_false (ev_is_active (w)))	1712	if (expect_false (ev_is_active (w)))
1443	return;	1713	return;
1444		1714
1445	((WT)w)->at += mn_now;	1715	((WT)w)->at += mn_now;
1446		1716
1447	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1717	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1448		1718
1449	ev_start (EV_A_ (W)w, ++timercnt);	1719	ev_start (EV_A_ (W)w, ++timercnt);
1450	array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2);	1720	array_needsize (WT, timers, timermax, timercnt, EMPTY2);
1451	timers [timercnt - 1] = w;	1721	timers [timercnt - 1] = (WT)w;
1452	upheap ((WT *)timers, timercnt - 1);	1722	upheap (timers, timercnt - 1);
1453		1723
1454	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1724	/*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/
1455	}	1725	}
1456		1726
1457	void	1727	void noinline
1458	ev_timer_stop (EV_P_ ev_timer *w)	1728	ev_timer_stop (EV_P_ ev_timer *w)
1459	{	1729	{
1460	ev_clear_pending (EV_A_ (W)w);	1730	clear_pending (EV_A_ (W)w);
1461	if (expect_false (!ev_is_active (w)))	1731	if (expect_false (!ev_is_active (w)))
1462	return;	1732	return;
1463		1733
1464	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1734	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w));
1465		1735
		1736	{
		1737	int active = ((W)w)->active;
		1738
1466	if (expect_true (((W)w)->active < timercnt--))	1739	if (expect_true (--active < --timercnt))
1467	{	1740	{
1468	timers [((W)w)->active - 1] = timers [timercnt];	1741	timers [active] = timers [timercnt];
1469	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1742	adjustheap (timers, timercnt, active);
1470	}	1743	}
		1744	}
1471		1745
1472	((WT)w)->at -= mn_now;	1746	((WT)w)->at -= mn_now;
1473		1747
1474	ev_stop (EV_A_ (W)w);	1748	ev_stop (EV_A_ (W)w);
1475	}	1749	}
1476		1750
1477	void	1751	void noinline
1478	ev_timer_again (EV_P_ ev_timer *w)	1752	ev_timer_again (EV_P_ ev_timer *w)
1479	{	1753	{
1480	if (ev_is_active (w))	1754	if (ev_is_active (w))
1481	{	1755	{
1482	if (w->repeat)	1756	if (w->repeat)
1483	{	1757	{
1484	((WT)w)->at = mn_now + w->repeat;	1758	((WT)w)->at = mn_now + w->repeat;
1485	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1759	adjustheap (timers, timercnt, ((W)w)->active - 1);
1486	}	1760	}
1487	else	1761	else
1488	ev_timer_stop (EV_A_ w);	1762	ev_timer_stop (EV_A_ w);
1489	}	1763	}
1490	else if (w->repeat)	1764	else if (w->repeat)
…		…
1492	w->at = w->repeat;	1766	w->at = w->repeat;
1493	ev_timer_start (EV_A_ w);	1767	ev_timer_start (EV_A_ w);
1494	}	1768	}
1495	}	1769	}
1496		1770
1497	#if EV_PERIODICS	1771	#if EV_PERIODIC_ENABLE
1498	void	1772	void noinline
1499	ev_periodic_start (EV_P_ ev_periodic *w)	1773	ev_periodic_start (EV_P_ ev_periodic *w)
1500	{	1774	{
1501	if (expect_false (ev_is_active (w)))	1775	if (expect_false (ev_is_active (w)))
1502	return;	1776	return;
1503		1777
…		…
1505	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1779	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1506	else if (w->interval)	1780	else if (w->interval)
1507	{	1781	{
1508	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1782	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1509	/* this formula differs from the one in periodic_reify because we do not always round up */	1783	/* this formula differs from the one in periodic_reify because we do not always round up */
1510	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;	1784	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1511	}	1785	}
		1786	else
		1787	((WT)w)->at = w->offset;
1512		1788
1513	ev_start (EV_A_ (W)w, ++periodiccnt);	1789	ev_start (EV_A_ (W)w, ++periodiccnt);
1514	array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);	1790	array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2);
1515	periodics [periodiccnt - 1] = w;	1791	periodics [periodiccnt - 1] = (WT)w;
1516	upheap ((WT *)periodics, periodiccnt - 1);	1792	upheap (periodics, periodiccnt - 1);
1517		1793
1518	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1794	/*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/
1519	}	1795	}
1520		1796
1521	void	1797	void noinline
1522	ev_periodic_stop (EV_P_ ev_periodic *w)	1798	ev_periodic_stop (EV_P_ ev_periodic *w)
1523	{	1799	{
1524	ev_clear_pending (EV_A_ (W)w);	1800	clear_pending (EV_A_ (W)w);
1525	if (expect_false (!ev_is_active (w)))	1801	if (expect_false (!ev_is_active (w)))
1526	return;	1802	return;
1527		1803
1528	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1804	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w));
1529		1805
		1806	{
		1807	int active = ((W)w)->active;
		1808
1530	if (expect_true (((W)w)->active < periodiccnt--))	1809	if (expect_true (--active < --periodiccnt))
1531	{	1810	{
1532	periodics [((W)w)->active - 1] = periodics [periodiccnt];	1811	periodics [active] = periodics [periodiccnt];
1533	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);	1812	adjustheap (periodics, periodiccnt, active);
1534	}	1813	}
		1814	}
1535		1815
1536	ev_stop (EV_A_ (W)w);	1816	ev_stop (EV_A_ (W)w);
1537	}	1817	}
1538		1818
1539	void	1819	void noinline
1540	ev_periodic_again (EV_P_ ev_periodic *w)	1820	ev_periodic_again (EV_P_ ev_periodic *w)
1541	{	1821	{
1542	/* TODO: use adjustheap and recalculation */	1822	/* TODO: use adjustheap and recalculation */
1543	ev_periodic_stop (EV_A_ w);	1823	ev_periodic_stop (EV_A_ w);
1544	ev_periodic_start (EV_A_ w);	1824	ev_periodic_start (EV_A_ w);
1545	}	1825	}
1546	#endif	1826	#endif
1547		1827
1548	void
1549	ev_idle_start (EV_P_ ev_idle *w)
1550	{
1551	if (expect_false (ev_is_active (w)))
1552	return;
1553
1554	ev_start (EV_A_ (W)w, ++idlecnt);
1555	array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1556	idles [idlecnt - 1] = w;
1557	}
1558
1559	void
1560	ev_idle_stop (EV_P_ ev_idle *w)
1561	{
1562	ev_clear_pending (EV_A_ (W)w);
1563	if (expect_false (!ev_is_active (w)))
1564	return;
1565
1566	{
1567	int active = ((W)w)->active;
1568	idles [active - 1] = idles [--idlecnt];
1569	((W)idles [active - 1])->active = active;
1570	}
1571
1572	ev_stop (EV_A_ (W)w);
1573	}
1574
1575	void
1576	ev_prepare_start (EV_P_ ev_prepare *w)
1577	{
1578	if (expect_false (ev_is_active (w)))
1579	return;
1580
1581	ev_start (EV_A_ (W)w, ++preparecnt);
1582	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1583	prepares [preparecnt - 1] = w;
1584	}
1585
1586	void
1587	ev_prepare_stop (EV_P_ ev_prepare *w)
1588	{
1589	ev_clear_pending (EV_A_ (W)w);
1590	if (expect_false (!ev_is_active (w)))
1591	return;
1592
1593	{
1594	int active = ((W)w)->active;
1595	prepares [active - 1] = prepares [--preparecnt];
1596	((W)prepares [active - 1])->active = active;
1597	}
1598
1599	ev_stop (EV_A_ (W)w);
1600	}
1601
1602	void
1603	ev_check_start (EV_P_ ev_check *w)
1604	{
1605	if (expect_false (ev_is_active (w)))
1606	return;
1607
1608	ev_start (EV_A_ (W)w, ++checkcnt);
1609	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
1610	checks [checkcnt - 1] = w;
1611	}
1612
1613	void
1614	ev_check_stop (EV_P_ ev_check *w)
1615	{
1616	ev_clear_pending (EV_A_ (W)w);
1617	if (expect_false (!ev_is_active (w)))
1618	return;
1619
1620	{
1621	int active = ((W)w)->active;
1622	checks [active - 1] = checks [--checkcnt];
1623	((W)checks [active - 1])->active = active;
1624	}
1625
1626	ev_stop (EV_A_ (W)w);
1627	}
1628
1629	#ifndef SA_RESTART	1828	#ifndef SA_RESTART
1630	# define SA_RESTART 0	1829	# define SA_RESTART 0
1631	#endif	1830	#endif
1632		1831
1633	void	1832	void noinline
1634	ev_signal_start (EV_P_ ev_signal *w)	1833	ev_signal_start (EV_P_ ev_signal *w)
1635	{	1834	{
1636	#if EV_MULTIPLICITY	1835	#if EV_MULTIPLICITY
1637	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));	1836	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1638	#endif	1837	#endif
1639	if (expect_false (ev_is_active (w)))	1838	if (expect_false (ev_is_active (w)))
1640	return;	1839	return;
1641		1840
1642	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1841	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1643		1842
		1843	{
		1844	#ifndef _WIN32
		1845	sigset_t full, prev;
		1846	sigfillset (&full);
		1847	sigprocmask (SIG_SETMASK, &full, &prev);
		1848	#endif
		1849
		1850	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
		1851
		1852	#ifndef _WIN32
		1853	sigprocmask (SIG_SETMASK, &prev, 0);
		1854	#endif
		1855	}
		1856
1644	ev_start (EV_A_ (W)w, 1);	1857	ev_start (EV_A_ (W)w, 1);
1645	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1646	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1858	wlist_add (&signals [w->signum - 1].head, (WL)w);
1647		1859
1648	if (!((WL)w)->next)	1860	if (!((WL)w)->next)
1649	{	1861	{
1650	#if _WIN32	1862	#if _WIN32
1651	signal (w->signum, sighandler);	1863	signal (w->signum, sighandler);
…		…
1657	sigaction (w->signum, &sa, 0);	1869	sigaction (w->signum, &sa, 0);
1658	#endif	1870	#endif
1659	}	1871	}
1660	}	1872	}
1661		1873
1662	void	1874	void noinline
1663	ev_signal_stop (EV_P_ ev_signal *w)	1875	ev_signal_stop (EV_P_ ev_signal *w)
1664	{	1876	{
1665	ev_clear_pending (EV_A_ (W)w);	1877	clear_pending (EV_A_ (W)w);
1666	if (expect_false (!ev_is_active (w)))	1878	if (expect_false (!ev_is_active (w)))
1667	return;	1879	return;
1668		1880
1669	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1881	wlist_del (&signals [w->signum - 1].head, (WL)w);
1670	ev_stop (EV_A_ (W)w);	1882	ev_stop (EV_A_ (W)w);
1671		1883
1672	if (!signals [w->signum - 1].head)	1884	if (!signals [w->signum - 1].head)
1673	signal (w->signum, SIG_DFL);	1885	signal (w->signum, SIG_DFL);
1674	}	1886	}
…		…
1681	#endif	1893	#endif
1682	if (expect_false (ev_is_active (w)))	1894	if (expect_false (ev_is_active (w)))
1683	return;	1895	return;
1684		1896
1685	ev_start (EV_A_ (W)w, 1);	1897	ev_start (EV_A_ (W)w, 1);
1686	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1898	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1687	}	1899	}
1688		1900
1689	void	1901	void
1690	ev_child_stop (EV_P_ ev_child *w)	1902	ev_child_stop (EV_P_ ev_child *w)
1691	{	1903	{
1692	ev_clear_pending (EV_A_ (W)w);	1904	clear_pending (EV_A_ (W)w);
1693	if (expect_false (!ev_is_active (w)))	1905	if (expect_false (!ev_is_active (w)))
1694	return;	1906	return;
1695		1907
1696	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1908	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1697	ev_stop (EV_A_ (W)w);	1909	ev_stop (EV_A_ (W)w);
1698	}	1910	}
1699		1911
1700	#if EV_MULTIPLICITY	1912	#if EV_STAT_ENABLE
		1913
		1914	# ifdef _WIN32
		1915	# undef lstat
		1916	# define lstat(a,b) _stati64 (a,b)
		1917	# endif
		1918
		1919	#define DEF_STAT_INTERVAL 5.0074891
		1920	#define MIN_STAT_INTERVAL 0.1074891
		1921
		1922	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
		1923
		1924	#if EV_USE_INOTIFY
		1925	# define EV_INOTIFY_BUFSIZE 8192
		1926
		1927	static void noinline
		1928	infy_add (EV_P_ ev_stat *w)
		1929	{
		1930	w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD);
		1931
		1932	if (w->wd < 0)
		1933	{
		1934	ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
		1935
		1936	/* monitor some parent directory for speedup hints */
		1937	if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)
		1938	{
		1939	char path [4096];
		1940	strcpy (path, w->path);
		1941
		1942	do
		1943	{
		1944	int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF
		1945	| (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO);
		1946
		1947	char *pend = strrchr (path, '/');
		1948
		1949	if (!pend)
		1950	break; /* whoops, no '/', complain to your admin */
		1951
		1952	*pend = 0;
		1953	w->wd = inotify_add_watch (fs_fd, path, mask);
		1954	}
		1955	while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
		1956	}
		1957	}
		1958	else
		1959	ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */
		1960
		1961	if (w->wd >= 0)
		1962	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);
		1963	}
		1964
		1965	static void noinline
		1966	infy_del (EV_P_ ev_stat *w)
		1967	{
		1968	int slot;
		1969	int wd = w->wd;
		1970
		1971	if (wd < 0)
		1972	return;
		1973
		1974	w->wd = -2;
		1975	slot = wd & (EV_INOTIFY_HASHSIZE - 1);
		1976	wlist_del (&fs_hash [slot].head, (WL)w);
		1977
		1978	/* remove this watcher, if others are watching it, they will rearm */
		1979	inotify_rm_watch (fs_fd, wd);
		1980	}
		1981
		1982	static void noinline
		1983	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
		1984	{
		1985	if (slot < 0)
		1986	/* overflow, need to check for all hahs slots */
		1987	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
		1988	infy_wd (EV_A_ slot, wd, ev);
		1989	else
		1990	{
		1991	WL w_;
		1992
		1993	for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; )
		1994	{
		1995	ev_stat *w = (ev_stat *)w_;
		1996	w_ = w_->next; /* lets us remove this watcher and all before it */
		1997
		1998	if (w->wd == wd || wd == -1)
		1999	{
		2000	if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))
		2001	{
		2002	w->wd = -1;
		2003	infy_add (EV_A_ w); /* re-add, no matter what */
		2004	}
		2005
		2006	stat_timer_cb (EV_A_ &w->timer, 0);
		2007	}
		2008	}
		2009	}
		2010	}
		2011
		2012	static void
		2013	infy_cb (EV_P_ ev_io *w, int revents)
		2014	{
		2015	char buf [EV_INOTIFY_BUFSIZE];
		2016	struct inotify_event *ev = (struct inotify_event *)buf;
		2017	int ofs;
		2018	int len = read (fs_fd, buf, sizeof (buf));
		2019
		2020	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)
		2021	infy_wd (EV_A_ ev->wd, ev->wd, ev);
		2022	}
		2023
		2024	void inline_size
		2025	infy_init (EV_P)
		2026	{
		2027	if (fs_fd != -2)
		2028	return;
		2029
		2030	fs_fd = inotify_init ();
		2031
		2032	if (fs_fd >= 0)
		2033	{
		2034	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
		2035	ev_set_priority (&fs_w, EV_MAXPRI);
		2036	ev_io_start (EV_A_ &fs_w);
		2037	}
		2038	}
		2039
		2040	void inline_size
		2041	infy_fork (EV_P)
		2042	{
		2043	int slot;
		2044
		2045	if (fs_fd < 0)
		2046	return;
		2047
		2048	close (fs_fd);
		2049	fs_fd = inotify_init ();
		2050
		2051	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
		2052	{
		2053	WL w_ = fs_hash [slot].head;
		2054	fs_hash [slot].head = 0;
		2055
		2056	while (w_)
		2057	{
		2058	ev_stat *w = (ev_stat *)w_;
		2059	w_ = w_->next; /* lets us add this watcher */
		2060
		2061	w->wd = -1;
		2062
		2063	if (fs_fd >= 0)
		2064	infy_add (EV_A_ w); /* re-add, no matter what */
		2065	else
		2066	ev_timer_start (EV_A_ &w->timer);
		2067	}
		2068
		2069	}
		2070	}
		2071
		2072	#endif
		2073
1701	void	2074	void
		2075	ev_stat_stat (EV_P_ ev_stat *w)
		2076	{
		2077	if (lstat (w->path, &w->attr) < 0)
		2078	w->attr.st_nlink = 0;
		2079	else if (!w->attr.st_nlink)
		2080	w->attr.st_nlink = 1;
		2081	}
		2082
		2083	static void noinline
		2084	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
		2085	{
		2086	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
		2087
		2088	/* we copy this here each the time so that */
		2089	/* prev has the old value when the callback gets invoked */
		2090	w->prev = w->attr;
		2091	ev_stat_stat (EV_A_ w);
		2092
		2093	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */
		2094	if (
		2095	w->prev.st_dev != w->attr.st_dev
		2096	|| w->prev.st_ino != w->attr.st_ino
		2097	|| w->prev.st_mode != w->attr.st_mode
		2098	|| w->prev.st_nlink != w->attr.st_nlink
		2099	|| w->prev.st_uid != w->attr.st_uid
		2100	|| w->prev.st_gid != w->attr.st_gid
		2101	|| w->prev.st_rdev != w->attr.st_rdev
		2102	|| w->prev.st_size != w->attr.st_size
		2103	|| w->prev.st_atime != w->attr.st_atime
		2104	|| w->prev.st_mtime != w->attr.st_mtime
		2105	|| w->prev.st_ctime != w->attr.st_ctime
		2106	) {
		2107	#if EV_USE_INOTIFY
		2108	infy_del (EV_A_ w);
		2109	infy_add (EV_A_ w);
		2110	ev_stat_stat (EV_A_ w); /* avoid race... */
		2111	#endif
		2112
		2113	ev_feed_event (EV_A_ w, EV_STAT);
		2114	}
		2115	}
		2116
		2117	void
		2118	ev_stat_start (EV_P_ ev_stat *w)
		2119	{
		2120	if (expect_false (ev_is_active (w)))
		2121	return;
		2122
		2123	/* since we use memcmp, we need to clear any padding data etc. */
		2124	memset (&w->prev, 0, sizeof (ev_statdata));
		2125	memset (&w->attr, 0, sizeof (ev_statdata));
		2126
		2127	ev_stat_stat (EV_A_ w);
		2128
		2129	if (w->interval < MIN_STAT_INTERVAL)
		2130	w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL;
		2131
		2132	ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval);
		2133	ev_set_priority (&w->timer, ev_priority (w));
		2134
		2135	#if EV_USE_INOTIFY
		2136	infy_init (EV_A);
		2137
		2138	if (fs_fd >= 0)
		2139	infy_add (EV_A_ w);
		2140	else
		2141	#endif
		2142	ev_timer_start (EV_A_ &w->timer);
		2143
		2144	ev_start (EV_A_ (W)w, 1);
		2145	}
		2146
		2147	void
		2148	ev_stat_stop (EV_P_ ev_stat *w)
		2149	{
		2150	clear_pending (EV_A_ (W)w);
		2151	if (expect_false (!ev_is_active (w)))
		2152	return;
		2153
		2154	#if EV_USE_INOTIFY
		2155	infy_del (EV_A_ w);
		2156	#endif
		2157	ev_timer_stop (EV_A_ &w->timer);
		2158
		2159	ev_stop (EV_A_ (W)w);
		2160	}
		2161	#endif
		2162
		2163	#if EV_IDLE_ENABLE
		2164	void
		2165	ev_idle_start (EV_P_ ev_idle *w)
		2166	{
		2167	if (expect_false (ev_is_active (w)))
		2168	return;
		2169
		2170	pri_adjust (EV_A_ (W)w);
		2171
		2172	{
		2173	int active = ++idlecnt [ABSPRI (w)];
		2174
		2175	++idleall;
		2176	ev_start (EV_A_ (W)w, active);
		2177
		2178	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);
		2179	idles [ABSPRI (w)][active - 1] = w;
		2180	}
		2181	}
		2182
		2183	void
		2184	ev_idle_stop (EV_P_ ev_idle *w)
		2185	{
		2186	clear_pending (EV_A_ (W)w);
		2187	if (expect_false (!ev_is_active (w)))
		2188	return;
		2189
		2190	{
		2191	int active = ((W)w)->active;
		2192
		2193	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
		2194	((W)idles [ABSPRI (w)][active - 1])->active = active;
		2195
		2196	ev_stop (EV_A_ (W)w);
		2197	--idleall;
		2198	}
		2199	}
		2200	#endif
		2201
		2202	void
		2203	ev_prepare_start (EV_P_ ev_prepare *w)
		2204	{
		2205	if (expect_false (ev_is_active (w)))
		2206	return;
		2207
		2208	ev_start (EV_A_ (W)w, ++preparecnt);
		2209	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
		2210	prepares [preparecnt - 1] = w;
		2211	}
		2212
		2213	void
		2214	ev_prepare_stop (EV_P_ ev_prepare *w)
		2215	{
		2216	clear_pending (EV_A_ (W)w);
		2217	if (expect_false (!ev_is_active (w)))
		2218	return;
		2219
		2220	{
		2221	int active = ((W)w)->active;
		2222	prepares [active - 1] = prepares [--preparecnt];
		2223	((W)prepares [active - 1])->active = active;
		2224	}
		2225
		2226	ev_stop (EV_A_ (W)w);
		2227	}
		2228
		2229	void
		2230	ev_check_start (EV_P_ ev_check *w)
		2231	{
		2232	if (expect_false (ev_is_active (w)))
		2233	return;
		2234
		2235	ev_start (EV_A_ (W)w, ++checkcnt);
		2236	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
		2237	checks [checkcnt - 1] = w;
		2238	}
		2239
		2240	void
		2241	ev_check_stop (EV_P_ ev_check *w)
		2242	{
		2243	clear_pending (EV_A_ (W)w);
		2244	if (expect_false (!ev_is_active (w)))
		2245	return;
		2246
		2247	{
		2248	int active = ((W)w)->active;
		2249	checks [active - 1] = checks [--checkcnt];
		2250	((W)checks [active - 1])->active = active;
		2251	}
		2252
		2253	ev_stop (EV_A_ (W)w);
		2254	}
		2255
		2256	#if EV_EMBED_ENABLE
		2257	void noinline
1702	ev_embed_sweep (EV_P_ ev_embed *w)	2258	ev_embed_sweep (EV_P_ ev_embed *w)
1703	{	2259	{
1704	ev_loop (w->loop, EVLOOP_NONBLOCK);	2260	ev_loop (w->other, EVLOOP_NONBLOCK);
1705	}	2261	}
1706		2262
1707	static void	2263	static void
1708	embed_cb (EV_P_ ev_io *io, int revents)	2264	embed_io_cb (EV_P_ ev_io *io, int revents)
1709	{	2265	{
1710	ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));	2266	ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));
1711		2267
1712	if (ev_cb (w))	2268	if (ev_cb (w))
1713	ev_feed_event (EV_A_ (W)w, EV_EMBED);	2269	ev_feed_event (EV_A_ (W)w, EV_EMBED);
1714	else	2270	else
1715	ev_embed_sweep (loop, w);	2271	ev_loop (w->other, EVLOOP_NONBLOCK);
1716	}	2272	}
		2273
		2274	static void
		2275	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
		2276	{
		2277	ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare));
		2278
		2279	{
		2280	struct ev_loop *loop = w->other;
		2281
		2282	while (fdchangecnt)
		2283	{
		2284	fd_reify (EV_A);
		2285	ev_loop (EV_A_ EVLOOP_NONBLOCK);
		2286	}
		2287	}
		2288	}
		2289
		2290	#if 0
		2291	static void
		2292	embed_idle_cb (EV_P_ ev_idle *idle, int revents)
		2293	{
		2294	ev_idle_stop (EV_A_ idle);
		2295	}
		2296	#endif
1717		2297
1718	void	2298	void
1719	ev_embed_start (EV_P_ ev_embed *w)	2299	ev_embed_start (EV_P_ ev_embed *w)
1720	{	2300	{
1721	if (expect_false (ev_is_active (w)))	2301	if (expect_false (ev_is_active (w)))
1722	return;	2302	return;
1723		2303
1724	{	2304	{
1725	struct ev_loop *loop = w->loop;	2305	struct ev_loop *loop = w->other;
1726	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	2306	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
1727	ev_io_init (&w->io, embed_cb, backend_fd, EV_READ);	2307	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
1728	}	2308	}
1729		2309
1730	ev_set_priority (&w->io, ev_priority (w));	2310	ev_set_priority (&w->io, ev_priority (w));
1731	ev_io_start (EV_A_ &w->io);	2311	ev_io_start (EV_A_ &w->io);
		2312
		2313	ev_prepare_init (&w->prepare, embed_prepare_cb);
		2314	ev_set_priority (&w->prepare, EV_MINPRI);
		2315	ev_prepare_start (EV_A_ &w->prepare);
		2316
		2317	/*ev_idle_init (&w->idle, e,bed_idle_cb);*/
		2318
1732	ev_start (EV_A_ (W)w, 1);	2319	ev_start (EV_A_ (W)w, 1);
1733	}	2320	}
1734		2321
1735	void	2322	void
1736	ev_embed_stop (EV_P_ ev_embed *w)	2323	ev_embed_stop (EV_P_ ev_embed *w)
1737	{	2324	{
1738	ev_clear_pending (EV_A_ (W)w);	2325	clear_pending (EV_A_ (W)w);
1739	if (expect_false (!ev_is_active (w)))	2326	if (expect_false (!ev_is_active (w)))
1740	return;	2327	return;
1741		2328
1742	ev_io_stop (EV_A_ &w->io);	2329	ev_io_stop (EV_A_ &w->io);
		2330	ev_prepare_stop (EV_A_ &w->prepare);
		2331
		2332	ev_stop (EV_A_ (W)w);
		2333	}
		2334	#endif
		2335
		2336	#if EV_FORK_ENABLE
		2337	void
		2338	ev_fork_start (EV_P_ ev_fork *w)
		2339	{
		2340	if (expect_false (ev_is_active (w)))
		2341	return;
		2342
		2343	ev_start (EV_A_ (W)w, ++forkcnt);
		2344	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);
		2345	forks [forkcnt - 1] = w;
		2346	}
		2347
		2348	void
		2349	ev_fork_stop (EV_P_ ev_fork *w)
		2350	{
		2351	clear_pending (EV_A_ (W)w);
		2352	if (expect_false (!ev_is_active (w)))
		2353	return;
		2354
		2355	{
		2356	int active = ((W)w)->active;
		2357	forks [active - 1] = forks [--forkcnt];
		2358	((W)forks [active - 1])->active = active;
		2359	}
		2360
1743	ev_stop (EV_A_ (W)w);	2361	ev_stop (EV_A_ (W)w);
1744	}	2362	}
1745	#endif	2363	#endif
1746		2364
1747	/*****************************************************************************/	2365	/*****************************************************************************/
…		…
1806	ev_timer_set (&once->to, timeout, 0.);	2424	ev_timer_set (&once->to, timeout, 0.);
1807	ev_timer_start (EV_A_ &once->to);	2425	ev_timer_start (EV_A_ &once->to);
1808	}	2426	}
1809	}	2427	}
1810		2428
		2429	#if EV_MULTIPLICITY
		2430	#include "ev_wrap.h"
		2431	#endif
		2432
1811	#ifdef __cplusplus	2433	#ifdef __cplusplus
1812	}	2434	}
1813	#endif	2435	#endif
1814		2436

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