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

Comparing libev/ev.c (file contents):
Revision 1.144 by root, Tue Nov 27 08:11:52 2007 UTC vs.
Revision 1.189 by root, Thu Dec 20 10:12:22 2007 UTC

…		…
94	# else	94	# else
95	# define EV_USE_PORT 0	95	# define EV_USE_PORT 0
96	# endif	96	# endif
97	# endif	97	# endif
98		98
		99	# ifndef EV_USE_INOTIFY
		100	# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H
		101	# define EV_USE_INOTIFY 1
		102	# else
		103	# define EV_USE_INOTIFY 0
		104	# endif
		105	# endif
		106
99	#endif	107	#endif
100		108
101	#include <math.h>	109	#include <math.h>
102	#include <stdlib.h>	110	#include <stdlib.h>
103	#include <fcntl.h>	111	#include <fcntl.h>
…		…
109	#include <errno.h>	117	#include <errno.h>
110	#include <sys/types.h>	118	#include <sys/types.h>
111	#include <time.h>	119	#include <time.h>
112		120
113	#include <signal.h>	121	#include <signal.h>
		122
		123	#ifdef EV_H
		124	# include EV_H
		125	#else
		126	# include "ev.h"
		127	#endif
114		128
115	#ifndef _WIN32	129	#ifndef _WIN32
116	# include <sys/time.h>	130	# include <sys/time.h>
117	# include <sys/wait.h>	131	# include <sys/wait.h>
118	# include <unistd.h>	132	# include <unistd.h>
…		…
156		170
157	#ifndef EV_USE_PORT	171	#ifndef EV_USE_PORT
158	# define EV_USE_PORT 0	172	# define EV_USE_PORT 0
159	#endif	173	#endif
160		174
		175	#ifndef EV_USE_INOTIFY
		176	# define EV_USE_INOTIFY 0
		177	#endif
		178
		179	#ifndef EV_PID_HASHSIZE
		180	# if EV_MINIMAL
		181	# define EV_PID_HASHSIZE 1
		182	# else
		183	# define EV_PID_HASHSIZE 16
		184	# endif
		185	#endif
		186
		187	#ifndef EV_INOTIFY_HASHSIZE
		188	# if EV_MINIMAL
		189	# define EV_INOTIFY_HASHSIZE 1
		190	# else
		191	# define EV_INOTIFY_HASHSIZE 16
		192	# endif
		193	#endif
		194
161	/**/	195	/**/
162		196
163	#ifndef CLOCK_MONOTONIC	197	#ifndef CLOCK_MONOTONIC
164	# undef EV_USE_MONOTONIC	198	# undef EV_USE_MONOTONIC
165	# define EV_USE_MONOTONIC 0	199	# define EV_USE_MONOTONIC 0
…		…
168	#ifndef CLOCK_REALTIME	202	#ifndef CLOCK_REALTIME
169	# undef EV_USE_REALTIME	203	# undef EV_USE_REALTIME
170	# define EV_USE_REALTIME 0	204	# define EV_USE_REALTIME 0
171	#endif	205	#endif
172		206
		207	#if !EV_STAT_ENABLE
		208	# undef EV_USE_INOTIFY
		209	# define EV_USE_INOTIFY 0
		210	#endif
		211
		212	#if EV_USE_INOTIFY
		213	# include <sys/inotify.h>
		214	#endif
		215
173	#if EV_SELECT_IS_WINSOCKET	216	#if EV_SELECT_IS_WINSOCKET
174	# include <winsock.h>	217	# include <winsock.h>
175	#endif	218	#endif
176		219
177	/**/	220	/**/
178		221
		222	/*
		223	* This is used to avoid floating point rounding problems.
		224	* It is added to ev_rt_now when scheduling periodics
		225	* to ensure progress, time-wise, even when rounding
		226	* errors are against us.
		227	* This value is good at least till the year 4000.
		228	* Better solutions welcome.
		229	*/
		230	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
		231
179	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	232	#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) */	233	#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 */	234	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds, TODO */
183		235
184	#ifdef EV_H
185	# include EV_H
186	#else
187	# include "ev.h"
188	#endif
189
190	#if __GNUC__ >= 3	236	#if __GNUC__ >= 4
191	# define expect(expr,value) __builtin_expect ((expr),(value))	237	# define expect(expr,value) __builtin_expect ((expr),(value))
192	# define inline_size static inline /* inline for codesize */
193	# if EV_MINIMAL
194	# define noinline __attribute__ ((noinline))	238	# define noinline __attribute__ ((noinline))
195	# define inline_speed static noinline
196	# else
197	# define noinline
198	# define inline_speed static inline
199	# endif
200	#else	239	#else
201	# define expect(expr,value) (expr)	240	# define expect(expr,value) (expr)
202	# define inline_speed static
203	# define inline_minimal static
204	# define noinline	241	# define noinline
		242	# if __STDC_VERSION__ < 199901L
		243	# define inline
		244	# endif
205	#endif	245	#endif
206		246
207	#define expect_false(expr) expect ((expr) != 0, 0)	247	#define expect_false(expr) expect ((expr) != 0, 0)
208	#define expect_true(expr) expect ((expr) != 0, 1)	248	#define expect_true(expr) expect ((expr) != 0, 1)
		249	#define inline_size static inline
		250
		251	#if EV_MINIMAL
		252	# define inline_speed static noinline
		253	#else
		254	# define inline_speed static inline
		255	#endif
209		256
210	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	257	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
211	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	258	#define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
212		259
213	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */	260	#define EMPTY /* required for microsofts broken pseudo-c compiler */
214	#define EMPTY2(a,b) /* used to suppress some warnings */	261	#define EMPTY2(a,b) /* used to suppress some warnings */
215		262
216	typedef ev_watcher *W;	263	typedef ev_watcher *W;
217	typedef ev_watcher_list *WL;	264	typedef ev_watcher_list *WL;
218	typedef ev_watcher_time *WT;	265	typedef ev_watcher_time *WT;
…		…
254	ev_set_allocator (void (cb)(void *ptr, long size))	301	ev_set_allocator (void (cb)(void *ptr, long size))
255	{	302	{
256	alloc = cb;	303	alloc = cb;
257	}	304	}
258		305
259	static void *	306	inline_speed void *
260	ev_realloc (void *ptr, long size)	307	ev_realloc (void *ptr, long size)
261	{	308	{
262	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);	309	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
263		310
264	if (!ptr && size)	311	if (!ptr && size)
…		…
288	typedef struct	335	typedef struct
289	{	336	{
290	W w;	337	W w;
291	int events;	338	int events;
292	} ANPENDING;	339	} ANPENDING;
		340
		341	#if EV_USE_INOTIFY
		342	typedef struct
		343	{
		344	WL head;
		345	} ANFS;
		346	#endif
293		347
294	#if EV_MULTIPLICITY	348	#if EV_MULTIPLICITY
295		349
296	struct ev_loop	350	struct ev_loop
297	{	351	{
…		…
354	{	408	{
355	return ev_rt_now;	409	return ev_rt_now;
356	}	410	}
357	#endif	411	#endif
358		412
359	#define array_roundsize(type,n) (((n) \| 4) & ~3)	413	int inline_size
		414	array_nextsize (int elem, int cur, int cnt)
		415	{
		416	int ncur = cur + 1;
		417
		418	do
		419	ncur <<= 1;
		420	while (cnt > ncur);
		421
		422	/* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */
		423	if (elem * ncur > 4096)
		424	{
		425	ncur *= elem;
		426	ncur = (ncur + elem + 4095 + sizeof (void ) 4) & ~4095;
		427	ncur = ncur - sizeof (void ) 4;
		428	ncur /= elem;
		429	}
		430
		431	return ncur;
		432	}
		433
		434	static noinline void *
		435	array_realloc (int elem, void base, int cur, int cnt)
		436	{
		437	cur = array_nextsize (elem, cur, cnt);
		438	return ev_realloc (base, elem * *cur);
		439	}
360		440
361	#define array_needsize(type,base,cur,cnt,init) \	441	#define array_needsize(type,base,cur,cnt,init) \
362	if (expect_false ((cnt) > cur)) \	442	if (expect_false ((cnt) > (cur))) \
363	{ \	443	{ \
364	int newcnt = cur; \	444	int ocur_ = (cur); \
365	do \	445	(base) = (type *)array_realloc \
366	{ \	446	(sizeof (type), (base), &(cur), (cnt)); \
367	newcnt = array_roundsize (type, newcnt << 1); \	447	init ((base) + (ocur_), (cur) - ocur_); \
368	} \
369	while ((cnt) > newcnt); \
370	\
371	base = (type )ev_realloc (base, sizeof (type) (newcnt));\
372	init (base + cur, newcnt - cur); \
373	cur = newcnt; \
374	}	448	}
375		449
		450	#if 0
376	#define array_slim(type,stem) \	451	#define array_slim(type,stem) \
377	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	452	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
378	{ \	453	{ \
379	stem ## max = array_roundsize (stem ## cnt >> 1); \	454	stem ## max = array_roundsize (stem ## cnt >> 1); \
380	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\	455	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
381	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\	456	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
382	}	457	}
		458	#endif
383		459
384	#define array_free(stem, idx) \	460	#define array_free(stem, idx) \
385	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;	461	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
386		462
387	/*****************************************************************************/	463	/*****************************************************************************/
388		464
389	void noinline	465	void noinline
390	ev_feed_event (EV_P_ void *w, int revents)	466	ev_feed_event (EV_P_ void *w, int revents)
391	{	467	{
392	W w_ = (W)w;	468	W w_ = (W)w;
		469	int pri = ABSPRI (w_);
393		470
394	if (expect_false (w_->pending))	471	if (expect_false (w_->pending))
		472	pendings [pri][w_->pending - 1].events \|= revents;
		473	else
395	{	474	{
		475	w_->pending = ++pendingcnt [pri];
		476	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
		477	pendings [pri][w_->pending - 1].w = w_;
396	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;	478	pendings [pri][w_->pending - 1].events = revents;
397	return;
398	}	479	}
399
400	w_->pending = ++pendingcnt [ABSPRI (w_)];
401	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
402	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
403	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
404	}	480	}
405		481
406	void inline_size	482	void inline_speed
407	queue_events (EV_P_ W *events, int eventcnt, int type)	483	queue_events (EV_P_ W *events, int eventcnt, int type)
408	{	484	{
409	int i;	485	int i;
410		486
411	for (i = 0; i < eventcnt; ++i)	487	for (i = 0; i < eventcnt; ++i)
…		…
443	}	519	}
444		520
445	void	521	void
446	ev_feed_fd_event (EV_P_ int fd, int revents)	522	ev_feed_fd_event (EV_P_ int fd, int revents)
447	{	523	{
		524	if (fd >= 0 && fd < anfdmax)
448	fd_event (EV_A_ fd, revents);	525	fd_event (EV_A_ fd, revents);
449	}	526	}
450		527
451	void inline_size	528	void inline_size
452	fd_reify (EV_P)	529	fd_reify (EV_P)
453	{	530	{
…		…
457	{	534	{
458	int fd = fdchanges [i];	535	int fd = fdchanges [i];
459	ANFD *anfd = anfds + fd;	536	ANFD *anfd = anfds + fd;
460	ev_io *w;	537	ev_io *w;
461		538
462	int events = 0;	539	unsigned char events = 0;
463		540
464	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)	541	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)
465	events \|= w->events;	542	events \|= (unsigned char)w->events;
466		543
467	#if EV_SELECT_IS_WINSOCKET	544	#if EV_SELECT_IS_WINSOCKET
468	if (events)	545	if (events)
469	{	546	{
470	unsigned long argp;	547	unsigned long argp;
471	anfd->handle = _get_osfhandle (fd);	548	anfd->handle = _get_osfhandle (fd);
472	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));	549	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
473	}	550	}
474	#endif	551	#endif
475		552
		553	{
		554	unsigned char o_events = anfd->events;
		555	unsigned char o_reify = anfd->reify;
		556
476	anfd->reify = 0;	557	anfd->reify = 0;
477
478	backend_modify (EV_A_ fd, anfd->events, events);
479	anfd->events = events;	558	anfd->events = events;
		559
		560	if (o_events != events \|\| o_reify & EV_IOFDSET)
		561	backend_modify (EV_A_ fd, o_events, events);
		562	}
480	}	563	}
481		564
482	fdchangecnt = 0;	565	fdchangecnt = 0;
483	}	566	}
484		567
485	void inline_size	568	void inline_size
486	fd_change (EV_P_ int fd)	569	fd_change (EV_P_ int fd, int flags)
487	{	570	{
488	if (expect_false (anfds [fd].reify))	571	unsigned char reify = anfds [fd].reify;
489	return;
490
491	anfds [fd].reify = 1;	572	anfds [fd].reify \|= flags;
492		573
		574	if (expect_true (!reify))
		575	{
493	++fdchangecnt;	576	++fdchangecnt;
494	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	577	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
495	fdchanges [fdchangecnt - 1] = fd;	578	fdchanges [fdchangecnt - 1] = fd;
		579	}
496	}	580	}
497		581
498	void inline_speed	582	void inline_speed
499	fd_kill (EV_P_ int fd)	583	fd_kill (EV_P_ int fd)
500	{	584	{
…		…
547	static void noinline	631	static void noinline
548	fd_rearm_all (EV_P)	632	fd_rearm_all (EV_P)
549	{	633	{
550	int fd;	634	int fd;
551		635
552	/* this should be highly optimised to not do anything but set a flag */
553	for (fd = 0; fd < anfdmax; ++fd)	636	for (fd = 0; fd < anfdmax; ++fd)
554	if (anfds [fd].events)	637	if (anfds [fd].events)
555	{	638	{
556	anfds [fd].events = 0;	639	anfds [fd].events = 0;
557	fd_change (EV_A_ fd);	640	fd_change (EV_A_ fd, EV_IOFDSET \| 1);
558	}	641	}
559	}	642	}
560		643
561	/*****************************************************************************/	644	/*****************************************************************************/
562		645
563	void inline_speed	646	void inline_speed
564	upheap (WT *heap, int k)	647	upheap (WT *heap, int k)
565	{	648	{
566	WT w = heap [k];	649	WT w = heap [k];
567		650
568	while (k && heap [k >> 1]->at > w->at)	651	while (k)
569	{	652	{
		653	int p = (k - 1) >> 1;
		654
		655	if (heap [p]->at <= w->at)
		656	break;
		657
570	heap [k] = heap [k >> 1];	658	heap [k] = heap [p];
571	((W)heap [k])->active = k + 1;	659	((W)heap [k])->active = k + 1;
572	k >>= 1;	660	k = p;
573	}	661	}
574		662
575	heap [k] = w;	663	heap [k] = w;
576	((W)heap [k])->active = k + 1;	664	((W)heap [k])->active = k + 1;
577
578	}	665	}
579		666
580	void inline_speed	667	void inline_speed
581	downheap (WT *heap, int N, int k)	668	downheap (WT *heap, int N, int k)
582	{	669	{
583	WT w = heap [k];	670	WT w = heap [k];
584		671
585	while (k < (N >> 1))	672	for (;;)
586	{	673	{
587	int j = k << 1;	674	int c = (k << 1) + 1;
588		675
589	if (j + 1 < N && heap [j]->at > heap [j + 1]->at)	676	if (c >= N)
590	++j;
591
592	if (w->at <= heap [j]->at)
593	break;	677	break;
594		678
		679	c += c + 1 < N && heap [c]->at > heap [c + 1]->at
		680	? 1 : 0;
		681
		682	if (w->at <= heap [c]->at)
		683	break;
		684
595	heap [k] = heap [j];	685	heap [k] = heap [c];
596	((W)heap [k])->active = k + 1;	686	((W)heap [k])->active = k + 1;
		687
597	k = j;	688	k = c;
598	}	689	}
599		690
600	heap [k] = w;	691	heap [k] = w;
601	((W)heap [k])->active = k + 1;	692	((W)heap [k])->active = k + 1;
602	}	693	}
…		…
684	for (signum = signalmax; signum--; )	775	for (signum = signalmax; signum--; )
685	if (signals [signum].gotsig)	776	if (signals [signum].gotsig)
686	ev_feed_signal_event (EV_A_ signum + 1);	777	ev_feed_signal_event (EV_A_ signum + 1);
687	}	778	}
688		779
689	void inline_size	780	void inline_speed
690	fd_intern (int fd)	781	fd_intern (int fd)
691	{	782	{
692	#ifdef _WIN32	783	#ifdef _WIN32
693	int arg = 1;	784	int arg = 1;
694	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	785	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
…		…
709	ev_unref (EV_A); /* child watcher should not keep loop alive */	800	ev_unref (EV_A); /* child watcher should not keep loop alive */
710	}	801	}
711		802
712	/*****************************************************************************/	803	/*****************************************************************************/
713		804
714	static ev_child *childs [PID_HASHSIZE];	805	static WL childs [EV_PID_HASHSIZE];
715		806
716	#ifndef _WIN32	807	#ifndef _WIN32
717		808
718	static ev_signal childev;	809	static ev_signal childev;
719		810
720	void inline_speed	811	void inline_speed
721	child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status)	812	child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status)
722	{	813	{
723	ev_child *w;	814	ev_child *w;
724		815
725	for (w = (ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	816	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)
726	if (w->pid == pid \|\| !w->pid)	817	if (w->pid == pid \|\| !w->pid)
727	{	818	{
728	ev_priority (w) = ev_priority (sw); /* need to do it now */	819	ev_set_priority (w, ev_priority (sw)); /* need to do it now */
729	w->rpid = pid;	820	w->rpid = pid;
730	w->rstatus = status;	821	w->rstatus = status;
731	ev_feed_event (EV_A_ (W)w, EV_CHILD);	822	ev_feed_event (EV_A_ (W)w, EV_CHILD);
732	}	823	}
733	}	824	}
734		825
735	#ifndef WCONTINUED	826	#ifndef WCONTINUED
…		…
751	/* make sure we are called again until all childs have been reaped */	842	/* make sure we are called again until all childs have been reaped */
752	/* we need to do it this way so that the callback gets called before we continue */	843	/* we need to do it this way so that the callback gets called before we continue */
753	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);	844	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
754		845
755	child_reap (EV_A_ sw, pid, pid, status);	846	child_reap (EV_A_ sw, pid, pid, status);
		847	if (EV_PID_HASHSIZE > 1)
756	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */	848	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
757	}	849	}
758		850
759	#endif	851	#endif
760		852
761	/*****************************************************************************/	853	/*****************************************************************************/
…		…
844	ev_backend (EV_P)	936	ev_backend (EV_P)
845	{	937	{
846	return backend;	938	return backend;
847	}	939	}
848		940
849	static void	941	unsigned int
		942	ev_loop_count (EV_P)
		943	{
		944	return loop_count;
		945	}
		946
		947	static void noinline
850	loop_init (EV_P_ unsigned int flags)	948	loop_init (EV_P_ unsigned int flags)
851	{	949	{
852	if (!backend)	950	if (!backend)
853	{	951	{
854	#if EV_USE_MONOTONIC	952	#if EV_USE_MONOTONIC
…		…
862	ev_rt_now = ev_time ();	960	ev_rt_now = ev_time ();
863	mn_now = get_clock ();	961	mn_now = get_clock ();
864	now_floor = mn_now;	962	now_floor = mn_now;
865	rtmn_diff = ev_rt_now - mn_now;	963	rtmn_diff = ev_rt_now - mn_now;
866		964
		965	/* pid check not overridable via env */
		966	#ifndef _WIN32
		967	if (flags & EVFLAG_FORKCHECK)
		968	curpid = getpid ();
		969	#endif
		970
867	if (!(flags & EVFLAG_NOENV)	971	if (!(flags & EVFLAG_NOENV)
868	&& !enable_secure ()	972	&& !enable_secure ()
869	&& getenv ("LIBEV_FLAGS"))	973	&& getenv ("LIBEV_FLAGS"))
870	flags = atoi (getenv ("LIBEV_FLAGS"));	974	flags = atoi (getenv ("LIBEV_FLAGS"));
871		975
872	if (!(flags & 0x0000ffffUL))	976	if (!(flags & 0x0000ffffUL))
873	flags \|= ev_recommended_backends ();	977	flags \|= ev_recommended_backends ();
874		978
875	backend = 0;	979	backend = 0;
		980	backend_fd = -1;
		981	#if EV_USE_INOTIFY
		982	fs_fd = -2;
		983	#endif
		984
876	#if EV_USE_PORT	985	#if EV_USE_PORT
877	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	986	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
878	#endif	987	#endif
879	#if EV_USE_KQUEUE	988	#if EV_USE_KQUEUE
880	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	989	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
…		…
892	ev_init (&sigev, sigcb);	1001	ev_init (&sigev, sigcb);
893	ev_set_priority (&sigev, EV_MAXPRI);	1002	ev_set_priority (&sigev, EV_MAXPRI);
894	}	1003	}
895	}	1004	}
896		1005
897	static void	1006	static void noinline
898	loop_destroy (EV_P)	1007	loop_destroy (EV_P)
899	{	1008	{
900	int i;	1009	int i;
		1010
		1011	#if EV_USE_INOTIFY
		1012	if (fs_fd >= 0)
		1013	close (fs_fd);
		1014	#endif
		1015
		1016	if (backend_fd >= 0)
		1017	close (backend_fd);
901		1018
902	#if EV_USE_PORT	1019	#if EV_USE_PORT
903	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	1020	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
904	#endif	1021	#endif
905	#if EV_USE_KQUEUE	1022	#if EV_USE_KQUEUE
…		…
914	#if EV_USE_SELECT	1031	#if EV_USE_SELECT
915	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	1032	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);
916	#endif	1033	#endif
917		1034
918	for (i = NUMPRI; i--; )	1035	for (i = NUMPRI; i--; )
		1036	{
919	array_free (pending, [i]);	1037	array_free (pending, [i]);
		1038	#if EV_IDLE_ENABLE
		1039	array_free (idle, [i]);
		1040	#endif
		1041	}
		1042
		1043	ev_free (anfds); anfdmax = 0;
920		1044
921	/* have to use the microsoft-never-gets-it-right macro */	1045	/* have to use the microsoft-never-gets-it-right macro */
922	array_free (fdchange, EMPTY0);	1046	array_free (fdchange, EMPTY);
923	array_free (timer, EMPTY0);	1047	array_free (timer, EMPTY);
924	#if EV_PERIODIC_ENABLE	1048	#if EV_PERIODIC_ENABLE
925	array_free (periodic, EMPTY0);	1049	array_free (periodic, EMPTY);
926	#endif	1050	#endif
		1051	#if EV_FORK_ENABLE
927	array_free (idle, EMPTY0);	1052	array_free (fork, EMPTY);
		1053	#endif
928	array_free (prepare, EMPTY0);	1054	array_free (prepare, EMPTY);
929	array_free (check, EMPTY0);	1055	array_free (check, EMPTY);
930		1056
931	backend = 0;	1057	backend = 0;
932	}	1058	}
933		1059
934	static void	1060	void inline_size infy_fork (EV_P);
		1061
		1062	void inline_size
935	loop_fork (EV_P)	1063	loop_fork (EV_P)
936	{	1064	{
937	#if EV_USE_PORT	1065	#if EV_USE_PORT
938	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	1066	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
939	#endif	1067	#endif
940	#if EV_USE_KQUEUE	1068	#if EV_USE_KQUEUE
941	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	1069	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);
942	#endif	1070	#endif
943	#if EV_USE_EPOLL	1071	#if EV_USE_EPOLL
944	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	1072	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
		1073	#endif
		1074	#if EV_USE_INOTIFY
		1075	infy_fork (EV_A);
945	#endif	1076	#endif
946		1077
947	if (ev_is_active (&sigev))	1078	if (ev_is_active (&sigev))
948	{	1079	{
949	/* default loop */	1080	/* default loop */
…		…
1065	postfork = 1;	1196	postfork = 1;
1066	}	1197	}
1067		1198
1068	/*****************************************************************************/	1199	/*****************************************************************************/
1069		1200
1070	int inline_size	1201	void
1071	any_pending (EV_P)	1202	ev_invoke (EV_P_ void *w, int revents)
1072	{	1203	{
1073	int pri;	1204	EV_CB_INVOKE ((W)w, revents);
1074
1075	for (pri = NUMPRI; pri--; )
1076	if (pendingcnt [pri])
1077	return 1;
1078
1079	return 0;
1080	}	1205	}
1081		1206
1082	void inline_speed	1207	void inline_speed
1083	call_pending (EV_P)	1208	call_pending (EV_P)
1084	{	1209	{
…		…
1089	{	1214	{
1090	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1215	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
1091		1216
1092	if (expect_true (p->w))	1217	if (expect_true (p->w))
1093	{	1218	{
1094	assert (("non-pending watcher on pending list", p->w->pending));	1219	/assert (("non-pending watcher on pending list", p->w->pending));/
1095		1220
1096	p->w->pending = 0;	1221	p->w->pending = 0;
1097	EV_CB_INVOKE (p->w, p->events);	1222	EV_CB_INVOKE (p->w, p->events);
1098	}	1223	}
1099	}	1224	}
…		…
1102	void inline_size	1227	void inline_size
1103	timers_reify (EV_P)	1228	timers_reify (EV_P)
1104	{	1229	{
1105	while (timercnt && ((WT)timers [0])->at <= mn_now)	1230	while (timercnt && ((WT)timers [0])->at <= mn_now)
1106	{	1231	{
1107	ev_timer *w = timers [0];	1232	ev_timer w = (ev_timer )timers [0];
1108		1233
1109	assert (("inactive timer on timer heap detected", ev_is_active (w)));	1234	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/
1110		1235
1111	/* first reschedule or stop timer */	1236	/* first reschedule or stop timer */
1112	if (w->repeat)	1237	if (w->repeat)
1113	{	1238	{
1114	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1239	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1115		1240
1116	((WT)w)->at += w->repeat;	1241	((WT)w)->at += w->repeat;
1117	if (((WT)w)->at < mn_now)	1242	if (((WT)w)->at < mn_now)
1118	((WT)w)->at = mn_now;	1243	((WT)w)->at = mn_now;
1119		1244
1120	downheap ((WT *)timers, timercnt, 0);	1245	downheap (timers, timercnt, 0);
1121	}	1246	}
1122	else	1247	else
1123	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1248	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1124		1249
1125	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1250	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
…		…
1130	void inline_size	1255	void inline_size
1131	periodics_reify (EV_P)	1256	periodics_reify (EV_P)
1132	{	1257	{
1133	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)	1258	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1134	{	1259	{
1135	ev_periodic *w = periodics [0];	1260	ev_periodic w = (ev_periodic )periodics [0];
1136		1261
1137	assert (("inactive timer on periodic heap detected", ev_is_active (w)));	1262	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/
1138		1263
1139	/* first reschedule or stop timer */	1264	/* first reschedule or stop timer */
1140	if (w->reschedule_cb)	1265	if (w->reschedule_cb)
1141	{	1266	{
1142	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);	1267	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON);
1143	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));	1268	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1144	downheap ((WT *)periodics, periodiccnt, 0);	1269	downheap (periodics, periodiccnt, 0);
1145	}	1270	}
1146	else if (w->interval)	1271	else if (w->interval)
1147	{	1272	{
1148	((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;	1273	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
		1274	if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval;
1149	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));	1275	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
1150	downheap ((WT *)periodics, periodiccnt, 0);	1276	downheap (periodics, periodiccnt, 0);
1151	}	1277	}
1152	else	1278	else
1153	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1279	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1154		1280
1155	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);	1281	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
…		…
1162	int i;	1288	int i;
1163		1289
1164	/* adjust periodics after time jump */	1290	/* adjust periodics after time jump */
1165	for (i = 0; i < periodiccnt; ++i)	1291	for (i = 0; i < periodiccnt; ++i)
1166	{	1292	{
1167	ev_periodic *w = periodics [i];	1293	ev_periodic w = (ev_periodic )periodics [i];
1168		1294
1169	if (w->reschedule_cb)	1295	if (w->reschedule_cb)
1170	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1296	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1171	else if (w->interval)	1297	else if (w->interval)
1172	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;	1298	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1173	}	1299	}
1174		1300
1175	/* now rebuild the heap */	1301	/* now rebuild the heap */
1176	for (i = periodiccnt >> 1; i--; )	1302	for (i = periodiccnt >> 1; i--; )
1177	downheap ((WT *)periodics, periodiccnt, i);	1303	downheap (periodics, periodiccnt, i);
1178	}	1304	}
1179	#endif	1305	#endif
1180		1306
		1307	#if EV_IDLE_ENABLE
1181	int inline_size	1308	void inline_size
1182	time_update_monotonic (EV_P)	1309	idle_reify (EV_P)
1183	{	1310	{
		1311	if (expect_false (idleall))
		1312	{
		1313	int pri;
		1314
		1315	for (pri = NUMPRI; pri--; )
		1316	{
		1317	if (pendingcnt [pri])
		1318	break;
		1319
		1320	if (idlecnt [pri])
		1321	{
		1322	queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE);
		1323	break;
		1324	}
		1325	}
		1326	}
		1327	}
		1328	#endif
		1329
		1330	void inline_speed
		1331	time_update (EV_P_ ev_tstamp max_block)
		1332	{
		1333	int i;
		1334
		1335	#if EV_USE_MONOTONIC
		1336	if (expect_true (have_monotonic))
		1337	{
		1338	ev_tstamp odiff = rtmn_diff;
		1339
1184	mn_now = get_clock ();	1340	mn_now = get_clock ();
1185		1341
		1342	/* only fetch the realtime clock every 0.5MIN_TIMEJUMP seconds /
		1343	/* interpolate in the meantime */
1186	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1344	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
1187	{	1345	{
1188	ev_rt_now = rtmn_diff + mn_now;	1346	ev_rt_now = rtmn_diff + mn_now;
1189	return 0;	1347	return;
1190	}	1348	}
1191	else	1349
1192	{
1193	now_floor = mn_now;	1350	now_floor = mn_now;
1194	ev_rt_now = ev_time ();	1351	ev_rt_now = ev_time ();
1195	return 1;
1196	}
1197	}
1198		1352
1199	void inline_size	1353	/* loop a few times, before making important decisions.
1200	time_update (EV_P)	1354	* on the choice of "4": one iteration isn't enough,
1201	{	1355	* in case we get preempted during the calls to
1202	int i;	1356	* ev_time and get_clock. a second call is almost guaranteed
1203		1357	* to succeed in that case, though. and looping a few more times
1204	#if EV_USE_MONOTONIC	1358	* doesn't hurt either as we only do this on time-jumps or
1205	if (expect_true (have_monotonic))	1359	* in the unlikely event of having been preempted here.
1206	{	1360	*/
1207	if (time_update_monotonic (EV_A))	1361	for (i = 4; --i; )
1208	{	1362	{
1209	ev_tstamp odiff = rtmn_diff;
1210
1211	/* loop a few times, before making important decisions.
1212	* on the choice of "4": one iteration isn't enough,
1213	* in case we get preempted during the calls to
1214	* ev_time and get_clock. a second call is almost guarenteed
1215	* to succeed in that case, though. and looping a few more times
1216	* doesn't hurt either as we only do this on time-jumps or
1217	* in the unlikely event of getting preempted here.
1218	*/
1219	for (i = 4; --i; )
1220	{
1221	rtmn_diff = ev_rt_now - mn_now;	1363	rtmn_diff = ev_rt_now - mn_now;
1222		1364
1223	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1365	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
1224	return; /* all is well */	1366	return; /* all is well */
1225		1367
1226	ev_rt_now = ev_time ();	1368	ev_rt_now = ev_time ();
1227	mn_now = get_clock ();	1369	mn_now = get_clock ();
1228	now_floor = mn_now;	1370	now_floor = mn_now;
1229	}	1371	}
1230		1372
1231	# if EV_PERIODIC_ENABLE	1373	# if EV_PERIODIC_ENABLE
1232	periodics_reschedule (EV_A);	1374	periodics_reschedule (EV_A);
1233	# endif	1375	# endif
1234	/* no timer adjustment, as the monotonic clock doesn't jump */	1376	/* no timer adjustment, as the monotonic clock doesn't jump */
1235	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */	1377	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1236	}
1237	}	1378	}
1238	else	1379	else
1239	#endif	1380	#endif
1240	{	1381	{
1241	ev_rt_now = ev_time ();	1382	ev_rt_now = ev_time ();
1242		1383
1243	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1384	if (expect_false (mn_now > ev_rt_now \|\| ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))
1244	{	1385	{
1245	#if EV_PERIODIC_ENABLE	1386	#if EV_PERIODIC_ENABLE
1246	periodics_reschedule (EV_A);	1387	periodics_reschedule (EV_A);
1247	#endif	1388	#endif
1248
1249	/* adjust timers. this is easy, as the offset is the same for all */	1389	/* adjust timers. this is easy, as the offset is the same for all of them */
1250	for (i = 0; i < timercnt; ++i)	1390	for (i = 0; i < timercnt; ++i)
1251	((WT)timers [i])->at += ev_rt_now - mn_now;	1391	((WT)timers [i])->at += ev_rt_now - mn_now;
1252	}	1392	}
1253		1393
1254	mn_now = ev_rt_now;	1394	mn_now = ev_rt_now;
…		…
1274	{	1414	{
1275	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK)	1415	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK)
1276	? EVUNLOOP_ONE	1416	? EVUNLOOP_ONE
1277	: EVUNLOOP_CANCEL;	1417	: EVUNLOOP_CANCEL;
1278		1418
1279	while (activecnt)	1419	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */
		1420
		1421	do
1280	{	1422	{
		1423	#ifndef _WIN32
		1424	if (expect_false (curpid)) /* penalise the forking check even more */
		1425	if (expect_false (getpid () != curpid))
		1426	{
		1427	curpid = getpid ();
		1428	postfork = 1;
		1429	}
		1430	#endif
		1431
		1432	#if EV_FORK_ENABLE
		1433	/* we might have forked, so queue fork handlers */
		1434	if (expect_false (postfork))
		1435	if (forkcnt)
		1436	{
		1437	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
		1438	call_pending (EV_A);
		1439	}
		1440	#endif
		1441
1281	/* queue check watchers (and execute them) */	1442	/* queue prepare watchers (and execute them) */
1282	if (expect_false (preparecnt))	1443	if (expect_false (preparecnt))
1283	{	1444	{
1284	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1445	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
1285	call_pending (EV_A);	1446	call_pending (EV_A);
1286	}	1447	}
1287		1448
		1449	if (expect_false (!activecnt))
		1450	break;
		1451
1288	/* we might have forked, so reify kernel state if necessary */	1452	/* we might have forked, so reify kernel state if necessary */
1289	if (expect_false (postfork))	1453	if (expect_false (postfork))
1290	loop_fork (EV_A);	1454	loop_fork (EV_A);
1291		1455
1292	/* update fd-related kernel structures */	1456	/* update fd-related kernel structures */
1293	fd_reify (EV_A);	1457	fd_reify (EV_A);
1294		1458
1295	/* calculate blocking time */	1459	/* calculate blocking time */
1296	{	1460	{
1297	double block;	1461	ev_tstamp block;
1298		1462
1299	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1463	if (expect_false (flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt))
1300	block = 0.; /* do not block at all */	1464	block = 0.; /* do not block at all */
1301	else	1465	else
1302	{	1466	{
1303	/* update time to cancel out callback processing overhead */	1467	/* update time to cancel out callback processing overhead */
1304	#if EV_USE_MONOTONIC
1305	if (expect_true (have_monotonic))
1306	time_update_monotonic (EV_A);	1468	time_update (EV_A_ 1e100);
1307	else
1308	#endif
1309	{
1310	ev_rt_now = ev_time ();
1311	mn_now = ev_rt_now;
1312	}
1313		1469
1314	block = MAX_BLOCKTIME;	1470	block = MAX_BLOCKTIME;
1315		1471
1316	if (timercnt)	1472	if (timercnt)
1317	{	1473	{
…		…
1328	#endif	1484	#endif
1329		1485
1330	if (expect_false (block < 0.)) block = 0.;	1486	if (expect_false (block < 0.)) block = 0.;
1331	}	1487	}
1332		1488
		1489	++loop_count;
1333	backend_poll (EV_A_ block);	1490	backend_poll (EV_A_ block);
		1491
		1492	/* update ev_rt_now, do magic */
		1493	time_update (EV_A_ block);
1334	}	1494	}
1335
1336	/* update ev_rt_now, do magic */
1337	time_update (EV_A);
1338		1495
1339	/* queue pending timers and reschedule them */	1496	/* queue pending timers and reschedule them */
1340	timers_reify (EV_A); /* relative timers called last */	1497	timers_reify (EV_A); /* relative timers called last */
1341	#if EV_PERIODIC_ENABLE	1498	#if EV_PERIODIC_ENABLE
1342	periodics_reify (EV_A); /* absolute timers called first */	1499	periodics_reify (EV_A); /* absolute timers called first */
1343	#endif	1500	#endif
1344		1501
		1502	#if EV_IDLE_ENABLE
1345	/* queue idle watchers unless other events are pending */	1503	/* queue idle watchers unless other events are pending */
1346	if (idlecnt && !any_pending (EV_A))	1504	idle_reify (EV_A);
1347	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1505	#endif
1348		1506
1349	/* queue check watchers, to be executed first */	1507	/* queue check watchers, to be executed first */
1350	if (expect_false (checkcnt))	1508	if (expect_false (checkcnt))
1351	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1509	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1352		1510
1353	call_pending (EV_A);	1511	call_pending (EV_A);
1354		1512
1355	if (expect_false (loop_done))
1356	break;
1357	}	1513	}
		1514	while (expect_true (activecnt && !loop_done));
1358		1515
1359	if (loop_done == EVUNLOOP_ONE)	1516	if (loop_done == EVUNLOOP_ONE)
1360	loop_done = EVUNLOOP_CANCEL;	1517	loop_done = EVUNLOOP_CANCEL;
1361	}	1518	}
1362		1519
…		…
1389	head = &(*head)->next;	1546	head = &(*head)->next;
1390	}	1547	}
1391	}	1548	}
1392		1549
1393	void inline_speed	1550	void inline_speed
1394	ev_clear_pending (EV_P_ W w)	1551	clear_pending (EV_P_ W w)
1395	{	1552	{
1396	if (w->pending)	1553	if (w->pending)
1397	{	1554	{
1398	pendings [ABSPRI (w)][w->pending - 1].w = 0;	1555	pendings [ABSPRI (w)][w->pending - 1].w = 0;
1399	w->pending = 0;	1556	w->pending = 0;
1400	}	1557	}
1401	}	1558	}
1402		1559
		1560	int
		1561	ev_clear_pending (EV_P_ void *w)
		1562	{
		1563	W w_ = (W)w;
		1564	int pending = w_->pending;
		1565
		1566	if (expect_true (pending))
		1567	{
		1568	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
		1569	w_->pending = 0;
		1570	p->w = 0;
		1571	return p->events;
		1572	}
		1573	else
		1574	return 0;
		1575	}
		1576
		1577	void inline_size
		1578	pri_adjust (EV_P_ W w)
		1579	{
		1580	int pri = w->priority;
		1581	pri = pri < EV_MINPRI ? EV_MINPRI : pri;
		1582	pri = pri > EV_MAXPRI ? EV_MAXPRI : pri;
		1583	w->priority = pri;
		1584	}
		1585
1403	void inline_speed	1586	void inline_speed
1404	ev_start (EV_P_ W w, int active)	1587	ev_start (EV_P_ W w, int active)
1405	{	1588	{
1406	if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;	1589	pri_adjust (EV_A_ w);
1407	if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
1408
1409	w->active = active;	1590	w->active = active;
1410	ev_ref (EV_A);	1591	ev_ref (EV_A);
1411	}	1592	}
1412		1593
1413	void inline_size	1594	void inline_size
…		…
1417	w->active = 0;	1598	w->active = 0;
1418	}	1599	}
1419		1600
1420	/*****************************************************************************/	1601	/*****************************************************************************/
1421		1602
1422	void	1603	void noinline
1423	ev_io_start (EV_P_ ev_io *w)	1604	ev_io_start (EV_P_ ev_io *w)
1424	{	1605	{
1425	int fd = w->fd;	1606	int fd = w->fd;
1426		1607
1427	if (expect_false (ev_is_active (w)))	1608	if (expect_false (ev_is_active (w)))
…		…
1429		1610
1430	assert (("ev_io_start called with negative fd", fd >= 0));	1611	assert (("ev_io_start called with negative fd", fd >= 0));
1431		1612
1432	ev_start (EV_A_ (W)w, 1);	1613	ev_start (EV_A_ (W)w, 1);
1433	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);	1614	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1434	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1615	wlist_add (&anfds[fd].head, (WL)w);
1435		1616
1436	fd_change (EV_A_ fd);	1617	fd_change (EV_A_ fd, w->events & EV_IOFDSET \| 1);
		1618	w->events &= ~EV_IOFDSET;
1437	}	1619	}
1438		1620
1439	void	1621	void noinline
1440	ev_io_stop (EV_P_ ev_io *w)	1622	ev_io_stop (EV_P_ ev_io *w)
1441	{	1623	{
1442	ev_clear_pending (EV_A_ (W)w);	1624	clear_pending (EV_A_ (W)w);
1443	if (expect_false (!ev_is_active (w)))	1625	if (expect_false (!ev_is_active (w)))
1444	return;	1626	return;
1445		1627
1446	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	1628	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1447		1629
1448	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1630	wlist_del (&anfds[w->fd].head, (WL)w);
1449	ev_stop (EV_A_ (W)w);	1631	ev_stop (EV_A_ (W)w);
1450		1632
1451	fd_change (EV_A_ w->fd);	1633	fd_change (EV_A_ w->fd, 1);
1452	}	1634	}
1453		1635
1454	void	1636	void noinline
1455	ev_timer_start (EV_P_ ev_timer *w)	1637	ev_timer_start (EV_P_ ev_timer *w)
1456	{	1638	{
1457	if (expect_false (ev_is_active (w)))	1639	if (expect_false (ev_is_active (w)))
1458	return;	1640	return;
1459		1641
1460	((WT)w)->at += mn_now;	1642	((WT)w)->at += mn_now;
1461		1643
1462	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1644	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1463		1645
1464	ev_start (EV_A_ (W)w, ++timercnt);	1646	ev_start (EV_A_ (W)w, ++timercnt);
1465	array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2);	1647	array_needsize (WT, timers, timermax, timercnt, EMPTY2);
1466	timers [timercnt - 1] = w;	1648	timers [timercnt - 1] = (WT)w;
1467	upheap ((WT *)timers, timercnt - 1);	1649	upheap (timers, timercnt - 1);
1468		1650
1469	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1651	/assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));/
1470	}	1652	}
1471		1653
1472	void	1654	void noinline
1473	ev_timer_stop (EV_P_ ev_timer *w)	1655	ev_timer_stop (EV_P_ ev_timer *w)
1474	{	1656	{
1475	ev_clear_pending (EV_A_ (W)w);	1657	clear_pending (EV_A_ (W)w);
1476	if (expect_false (!ev_is_active (w)))	1658	if (expect_false (!ev_is_active (w)))
1477	return;	1659	return;
1478		1660
1479	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1661	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w));
1480		1662
		1663	{
		1664	int active = ((W)w)->active;
		1665
1481	if (expect_true (((W)w)->active < timercnt--))	1666	if (expect_true (--active < --timercnt))
1482	{	1667	{
1483	timers [((W)w)->active - 1] = timers [timercnt];	1668	timers [active] = timers [timercnt];
1484	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1669	adjustheap (timers, timercnt, active);
1485	}	1670	}
		1671	}
1486		1672
1487	((WT)w)->at -= mn_now;	1673	((WT)w)->at -= mn_now;
1488		1674
1489	ev_stop (EV_A_ (W)w);	1675	ev_stop (EV_A_ (W)w);
1490	}	1676	}
1491		1677
1492	void	1678	void noinline
1493	ev_timer_again (EV_P_ ev_timer *w)	1679	ev_timer_again (EV_P_ ev_timer *w)
1494	{	1680	{
1495	if (ev_is_active (w))	1681	if (ev_is_active (w))
1496	{	1682	{
1497	if (w->repeat)	1683	if (w->repeat)
1498	{	1684	{
1499	((WT)w)->at = mn_now + w->repeat;	1685	((WT)w)->at = mn_now + w->repeat;
1500	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1686	adjustheap (timers, timercnt, ((W)w)->active - 1);
1501	}	1687	}
1502	else	1688	else
1503	ev_timer_stop (EV_A_ w);	1689	ev_timer_stop (EV_A_ w);
1504	}	1690	}
1505	else if (w->repeat)	1691	else if (w->repeat)
…		…
1508	ev_timer_start (EV_A_ w);	1694	ev_timer_start (EV_A_ w);
1509	}	1695	}
1510	}	1696	}
1511		1697
1512	#if EV_PERIODIC_ENABLE	1698	#if EV_PERIODIC_ENABLE
1513	void	1699	void noinline
1514	ev_periodic_start (EV_P_ ev_periodic *w)	1700	ev_periodic_start (EV_P_ ev_periodic *w)
1515	{	1701	{
1516	if (expect_false (ev_is_active (w)))	1702	if (expect_false (ev_is_active (w)))
1517	return;	1703	return;
1518		1704
…		…
1520	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1706	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1521	else if (w->interval)	1707	else if (w->interval)
1522	{	1708	{
1523	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1709	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1524	/* this formula differs from the one in periodic_reify because we do not always round up */	1710	/* this formula differs from the one in periodic_reify because we do not always round up */
1525	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;	1711	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1526	}	1712	}
		1713	else
		1714	((WT)w)->at = w->offset;
1527		1715
1528	ev_start (EV_A_ (W)w, ++periodiccnt);	1716	ev_start (EV_A_ (W)w, ++periodiccnt);
1529	array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);	1717	array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2);
1530	periodics [periodiccnt - 1] = w;	1718	periodics [periodiccnt - 1] = (WT)w;
1531	upheap ((WT *)periodics, periodiccnt - 1);	1719	upheap (periodics, periodiccnt - 1);
1532		1720
1533	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1721	/assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));/
1534	}	1722	}
1535		1723
1536	void	1724	void noinline
1537	ev_periodic_stop (EV_P_ ev_periodic *w)	1725	ev_periodic_stop (EV_P_ ev_periodic *w)
1538	{	1726	{
1539	ev_clear_pending (EV_A_ (W)w);	1727	clear_pending (EV_A_ (W)w);
1540	if (expect_false (!ev_is_active (w)))	1728	if (expect_false (!ev_is_active (w)))
1541	return;	1729	return;
1542		1730
1543	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1731	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w));
1544		1732
		1733	{
		1734	int active = ((W)w)->active;
		1735
1545	if (expect_true (((W)w)->active < periodiccnt--))	1736	if (expect_true (--active < --periodiccnt))
1546	{	1737	{
1547	periodics [((W)w)->active - 1] = periodics [periodiccnt];	1738	periodics [active] = periodics [periodiccnt];
1548	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);	1739	adjustheap (periodics, periodiccnt, active);
1549	}	1740	}
		1741	}
1550		1742
1551	ev_stop (EV_A_ (W)w);	1743	ev_stop (EV_A_ (W)w);
1552	}	1744	}
1553		1745
1554	void	1746	void noinline
1555	ev_periodic_again (EV_P_ ev_periodic *w)	1747	ev_periodic_again (EV_P_ ev_periodic *w)
1556	{	1748	{
1557	/* TODO: use adjustheap and recalculation */	1749	/* TODO: use adjustheap and recalculation */
1558	ev_periodic_stop (EV_A_ w);	1750	ev_periodic_stop (EV_A_ w);
1559	ev_periodic_start (EV_A_ w);	1751	ev_periodic_start (EV_A_ w);
…		…
1562		1754
1563	#ifndef SA_RESTART	1755	#ifndef SA_RESTART
1564	# define SA_RESTART 0	1756	# define SA_RESTART 0
1565	#endif	1757	#endif
1566		1758
1567	void	1759	void noinline
1568	ev_signal_start (EV_P_ ev_signal *w)	1760	ev_signal_start (EV_P_ ev_signal *w)
1569	{	1761	{
1570	#if EV_MULTIPLICITY	1762	#if EV_MULTIPLICITY
1571	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));	1763	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1572	#endif	1764	#endif
1573	if (expect_false (ev_is_active (w)))	1765	if (expect_false (ev_is_active (w)))
1574	return;	1766	return;
1575		1767
1576	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1768	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1577		1769
		1770	{
		1771	#ifndef _WIN32
		1772	sigset_t full, prev;
		1773	sigfillset (&full);
		1774	sigprocmask (SIG_SETMASK, &full, &prev);
		1775	#endif
		1776
		1777	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
		1778
		1779	#ifndef _WIN32
		1780	sigprocmask (SIG_SETMASK, &prev, 0);
		1781	#endif
		1782	}
		1783
1578	ev_start (EV_A_ (W)w, 1);	1784	ev_start (EV_A_ (W)w, 1);
1579	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1580	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1785	wlist_add (&signals [w->signum - 1].head, (WL)w);
1581		1786
1582	if (!((WL)w)->next)	1787	if (!((WL)w)->next)
1583	{	1788	{
1584	#if _WIN32	1789	#if _WIN32
1585	signal (w->signum, sighandler);	1790	signal (w->signum, sighandler);
…		…
1591	sigaction (w->signum, &sa, 0);	1796	sigaction (w->signum, &sa, 0);
1592	#endif	1797	#endif
1593	}	1798	}
1594	}	1799	}
1595		1800
1596	void	1801	void noinline
1597	ev_signal_stop (EV_P_ ev_signal *w)	1802	ev_signal_stop (EV_P_ ev_signal *w)
1598	{	1803	{
1599	ev_clear_pending (EV_A_ (W)w);	1804	clear_pending (EV_A_ (W)w);
1600	if (expect_false (!ev_is_active (w)))	1805	if (expect_false (!ev_is_active (w)))
1601	return;	1806	return;
1602		1807
1603	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1808	wlist_del (&signals [w->signum - 1].head, (WL)w);
1604	ev_stop (EV_A_ (W)w);	1809	ev_stop (EV_A_ (W)w);
1605		1810
1606	if (!signals [w->signum - 1].head)	1811	if (!signals [w->signum - 1].head)
1607	signal (w->signum, SIG_DFL);	1812	signal (w->signum, SIG_DFL);
1608	}	1813	}
…		…
1615	#endif	1820	#endif
1616	if (expect_false (ev_is_active (w)))	1821	if (expect_false (ev_is_active (w)))
1617	return;	1822	return;
1618		1823
1619	ev_start (EV_A_ (W)w, 1);	1824	ev_start (EV_A_ (W)w, 1);
1620	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1825	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1621	}	1826	}
1622		1827
1623	void	1828	void
1624	ev_child_stop (EV_P_ ev_child *w)	1829	ev_child_stop (EV_P_ ev_child *w)
1625	{	1830	{
1626	ev_clear_pending (EV_A_ (W)w);	1831	clear_pending (EV_A_ (W)w);
1627	if (expect_false (!ev_is_active (w)))	1832	if (expect_false (!ev_is_active (w)))
1628	return;	1833	return;
1629		1834
1630	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1835	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1631	ev_stop (EV_A_ (W)w);	1836	ev_stop (EV_A_ (W)w);
1632	}	1837	}
1633		1838
1634	#if EV_STAT_ENABLE	1839	#if EV_STAT_ENABLE
1635		1840
1636	# ifdef _WIN32	1841	# ifdef _WIN32
		1842	# undef lstat
1637	# define lstat(a,b) stat(a,b)	1843	# define lstat(a,b) _stati64 (a,b)
1638	# endif	1844	# endif
1639		1845
1640	#define DEF_STAT_INTERVAL 5.0074891	1846	#define DEF_STAT_INTERVAL 5.0074891
1641	#define MIN_STAT_INTERVAL 0.1074891	1847	#define MIN_STAT_INTERVAL 0.1074891
		1848
		1849	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
		1850
		1851	#if EV_USE_INOTIFY
		1852	# define EV_INOTIFY_BUFSIZE 8192
		1853
		1854	static void noinline
		1855	infy_add (EV_P_ ev_stat *w)
		1856	{
		1857	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);
		1858
		1859	if (w->wd < 0)
		1860	{
		1861	ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
		1862
		1863	/* monitor some parent directory for speedup hints */
		1864	if ((errno == ENOENT \|\| errno == EACCES) && strlen (w->path) < 4096)
		1865	{
		1866	char path [4096];
		1867	strcpy (path, w->path);
		1868
		1869	do
		1870	{
		1871	int mask = IN_MASK_ADD \| IN_DELETE_SELF \| IN_MOVE_SELF
		1872	\| (errno == EACCES ? IN_ATTRIB : IN_CREATE \| IN_MOVED_TO);
		1873
		1874	char *pend = strrchr (path, '/');
		1875
		1876	if (!pend)
		1877	break; /* whoops, no '/', complain to your admin */
		1878
		1879	*pend = 0;
		1880	w->wd = inotify_add_watch (fs_fd, path, mask);
		1881	}
		1882	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));
		1883	}
		1884	}
		1885	else
		1886	ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */
		1887
		1888	if (w->wd >= 0)
		1889	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);
		1890	}
		1891
		1892	static void noinline
		1893	infy_del (EV_P_ ev_stat *w)
		1894	{
		1895	int slot;
		1896	int wd = w->wd;
		1897
		1898	if (wd < 0)
		1899	return;
		1900
		1901	w->wd = -2;
		1902	slot = wd & (EV_INOTIFY_HASHSIZE - 1);
		1903	wlist_del (&fs_hash [slot].head, (WL)w);
		1904
		1905	/* remove this watcher, if others are watching it, they will rearm */
		1906	inotify_rm_watch (fs_fd, wd);
		1907	}
		1908
		1909	static void noinline
		1910	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
		1911	{
		1912	if (slot < 0)
		1913	/* overflow, need to check for all hahs slots */
		1914	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
		1915	infy_wd (EV_A_ slot, wd, ev);
		1916	else
		1917	{
		1918	WL w_;
		1919
		1920	for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; )
		1921	{
		1922	ev_stat w = (ev_stat )w_;
		1923	w_ = w_->next; /* lets us remove this watcher and all before it */
		1924
		1925	if (w->wd == wd \|\| wd == -1)
		1926	{
		1927	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))
		1928	{
		1929	w->wd = -1;
		1930	infy_add (EV_A_ w); /* re-add, no matter what */
		1931	}
		1932
		1933	stat_timer_cb (EV_A_ &w->timer, 0);
		1934	}
		1935	}
		1936	}
		1937	}
		1938
		1939	static void
		1940	infy_cb (EV_P_ ev_io *w, int revents)
		1941	{
		1942	char buf [EV_INOTIFY_BUFSIZE];
		1943	struct inotify_event ev = (struct inotify_event )buf;
		1944	int ofs;
		1945	int len = read (fs_fd, buf, sizeof (buf));
		1946
		1947	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)
		1948	infy_wd (EV_A_ ev->wd, ev->wd, ev);
		1949	}
		1950
		1951	void inline_size
		1952	infy_init (EV_P)
		1953	{
		1954	if (fs_fd != -2)
		1955	return;
		1956
		1957	fs_fd = inotify_init ();
		1958
		1959	if (fs_fd >= 0)
		1960	{
		1961	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
		1962	ev_set_priority (&fs_w, EV_MAXPRI);
		1963	ev_io_start (EV_A_ &fs_w);
		1964	}
		1965	}
		1966
		1967	void inline_size
		1968	infy_fork (EV_P)
		1969	{
		1970	int slot;
		1971
		1972	if (fs_fd < 0)
		1973	return;
		1974
		1975	close (fs_fd);
		1976	fs_fd = inotify_init ();
		1977
		1978	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
		1979	{
		1980	WL w_ = fs_hash [slot].head;
		1981	fs_hash [slot].head = 0;
		1982
		1983	while (w_)
		1984	{
		1985	ev_stat w = (ev_stat )w_;
		1986	w_ = w_->next; /* lets us add this watcher */
		1987
		1988	w->wd = -1;
		1989
		1990	if (fs_fd >= 0)
		1991	infy_add (EV_A_ w); /* re-add, no matter what */
		1992	else
		1993	ev_timer_start (EV_A_ &w->timer);
		1994	}
		1995
		1996	}
		1997	}
		1998
		1999	#endif
1642		2000
1643	void	2001	void
1644	ev_stat_stat (EV_P_ ev_stat *w)	2002	ev_stat_stat (EV_P_ ev_stat *w)
1645	{	2003	{
1646	if (lstat (w->path, &w->attr) < 0)	2004	if (lstat (w->path, &w->attr) < 0)
1647	w->attr.st_nlink = 0;	2005	w->attr.st_nlink = 0;
1648	else if (!w->attr.st_nlink)	2006	else if (!w->attr.st_nlink)
1649	w->attr.st_nlink = 1;	2007	w->attr.st_nlink = 1;
1650	}	2008	}
1651		2009
1652	static void	2010	static void noinline
1653	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	2011	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
1654	{	2012	{
1655	ev_stat w = (ev_stat )(((char *)w_) - offsetof (ev_stat, timer));	2013	ev_stat w = (ev_stat )(((char *)w_) - offsetof (ev_stat, timer));
1656		2014
1657	/* we copy this here each the time so that */	2015	/* we copy this here each the time so that */
1658	/* prev has the old value when the callback gets invoked */	2016	/* prev has the old value when the callback gets invoked */
1659	w->prev = w->attr;	2017	w->prev = w->attr;
1660	ev_stat_stat (EV_A_ w);	2018	ev_stat_stat (EV_A_ w);
1661		2019
1662	if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata)))	2020	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */
		2021	if (
		2022	w->prev.st_dev != w->attr.st_dev
		2023	\|\| w->prev.st_ino != w->attr.st_ino
		2024	\|\| w->prev.st_mode != w->attr.st_mode
		2025	\|\| w->prev.st_nlink != w->attr.st_nlink
		2026	\|\| w->prev.st_uid != w->attr.st_uid
		2027	\|\| w->prev.st_gid != w->attr.st_gid
		2028	\|\| w->prev.st_rdev != w->attr.st_rdev
		2029	\|\| w->prev.st_size != w->attr.st_size
		2030	\|\| w->prev.st_atime != w->attr.st_atime
		2031	\|\| w->prev.st_mtime != w->attr.st_mtime
		2032	\|\| w->prev.st_ctime != w->attr.st_ctime
		2033	) {
		2034	#if EV_USE_INOTIFY
		2035	infy_del (EV_A_ w);
		2036	infy_add (EV_A_ w);
		2037	ev_stat_stat (EV_A_ w); /* avoid race... */
		2038	#endif
		2039
1663	ev_feed_event (EV_A_ w, EV_STAT);	2040	ev_feed_event (EV_A_ w, EV_STAT);
		2041	}
1664	}	2042	}
1665		2043
1666	void	2044	void
1667	ev_stat_start (EV_P_ ev_stat *w)	2045	ev_stat_start (EV_P_ ev_stat *w)
1668	{	2046	{
…		…
1678	if (w->interval < MIN_STAT_INTERVAL)	2056	if (w->interval < MIN_STAT_INTERVAL)
1679	w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL;	2057	w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL;
1680		2058
1681	ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval);	2059	ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval);
1682	ev_set_priority (&w->timer, ev_priority (w));	2060	ev_set_priority (&w->timer, ev_priority (w));
		2061
		2062	#if EV_USE_INOTIFY
		2063	infy_init (EV_A);
		2064
		2065	if (fs_fd >= 0)
		2066	infy_add (EV_A_ w);
		2067	else
		2068	#endif
1683	ev_timer_start (EV_A_ &w->timer);	2069	ev_timer_start (EV_A_ &w->timer);
1684		2070
1685	ev_start (EV_A_ (W)w, 1);	2071	ev_start (EV_A_ (W)w, 1);
1686	}	2072	}
1687		2073
1688	void	2074	void
1689	ev_stat_stop (EV_P_ ev_stat *w)	2075	ev_stat_stop (EV_P_ ev_stat *w)
1690	{	2076	{
1691	ev_clear_pending (EV_A_ (W)w);	2077	clear_pending (EV_A_ (W)w);
1692	if (expect_false (!ev_is_active (w)))	2078	if (expect_false (!ev_is_active (w)))
1693	return;	2079	return;
1694		2080
		2081	#if EV_USE_INOTIFY
		2082	infy_del (EV_A_ w);
		2083	#endif
1695	ev_timer_stop (EV_A_ &w->timer);	2084	ev_timer_stop (EV_A_ &w->timer);
1696		2085
1697	ev_stop (EV_A_ (W)w);	2086	ev_stop (EV_A_ (W)w);
1698	}	2087	}
1699	#endif	2088	#endif
1700		2089
		2090	#if EV_IDLE_ENABLE
1701	void	2091	void
1702	ev_idle_start (EV_P_ ev_idle *w)	2092	ev_idle_start (EV_P_ ev_idle *w)
1703	{	2093	{
1704	if (expect_false (ev_is_active (w)))	2094	if (expect_false (ev_is_active (w)))
1705	return;	2095	return;
1706		2096
		2097	pri_adjust (EV_A_ (W)w);
		2098
		2099	{
		2100	int active = ++idlecnt [ABSPRI (w)];
		2101
		2102	++idleall;
1707	ev_start (EV_A_ (W)w, ++idlecnt);	2103	ev_start (EV_A_ (W)w, active);
		2104
1708	array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2);	2105	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);
1709	idles [idlecnt - 1] = w;	2106	idles [ABSPRI (w)][active - 1] = w;
		2107	}
1710	}	2108	}
1711		2109
1712	void	2110	void
1713	ev_idle_stop (EV_P_ ev_idle *w)	2111	ev_idle_stop (EV_P_ ev_idle *w)
1714	{	2112	{
1715	ev_clear_pending (EV_A_ (W)w);	2113	clear_pending (EV_A_ (W)w);
1716	if (expect_false (!ev_is_active (w)))	2114	if (expect_false (!ev_is_active (w)))
1717	return;	2115	return;
1718		2116
1719	{	2117	{
1720	int active = ((W)w)->active;	2118	int active = ((W)w)->active;
1721	idles [active - 1] = idles [--idlecnt];	2119
		2120	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
1722	((W)idles [active - 1])->active = active;	2121	((W)idles [ABSPRI (w)][active - 1])->active = active;
		2122
		2123	ev_stop (EV_A_ (W)w);
		2124	--idleall;
1723	}	2125	}
1724
1725	ev_stop (EV_A_ (W)w);
1726	}	2126	}
		2127	#endif
1727		2128
1728	void	2129	void
1729	ev_prepare_start (EV_P_ ev_prepare *w)	2130	ev_prepare_start (EV_P_ ev_prepare *w)
1730	{	2131	{
1731	if (expect_false (ev_is_active (w)))	2132	if (expect_false (ev_is_active (w)))
…		…
1737	}	2138	}
1738		2139
1739	void	2140	void
1740	ev_prepare_stop (EV_P_ ev_prepare *w)	2141	ev_prepare_stop (EV_P_ ev_prepare *w)
1741	{	2142	{
1742	ev_clear_pending (EV_A_ (W)w);	2143	clear_pending (EV_A_ (W)w);
1743	if (expect_false (!ev_is_active (w)))	2144	if (expect_false (!ev_is_active (w)))
1744	return;	2145	return;
1745		2146
1746	{	2147	{
1747	int active = ((W)w)->active;	2148	int active = ((W)w)->active;
…		…
1764	}	2165	}
1765		2166
1766	void	2167	void
1767	ev_check_stop (EV_P_ ev_check *w)	2168	ev_check_stop (EV_P_ ev_check *w)
1768	{	2169	{
1769	ev_clear_pending (EV_A_ (W)w);	2170	clear_pending (EV_A_ (W)w);
1770	if (expect_false (!ev_is_active (w)))	2171	if (expect_false (!ev_is_active (w)))
1771	return;	2172	return;
1772		2173
1773	{	2174	{
1774	int active = ((W)w)->active;	2175	int active = ((W)w)->active;
…		…
1781		2182
1782	#if EV_EMBED_ENABLE	2183	#if EV_EMBED_ENABLE
1783	void noinline	2184	void noinline
1784	ev_embed_sweep (EV_P_ ev_embed *w)	2185	ev_embed_sweep (EV_P_ ev_embed *w)
1785	{	2186	{
1786	ev_loop (w->loop, EVLOOP_NONBLOCK);	2187	ev_loop (w->other, EVLOOP_NONBLOCK);
1787	}	2188	}
1788		2189
1789	static void	2190	static void
1790	embed_cb (EV_P_ ev_io *io, int revents)	2191	embed_io_cb (EV_P_ ev_io *io, int revents)
1791	{	2192	{
1792	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));	2193	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));
1793		2194
1794	if (ev_cb (w))	2195	if (ev_cb (w))
1795	ev_feed_event (EV_A_ (W)w, EV_EMBED);	2196	ev_feed_event (EV_A_ (W)w, EV_EMBED);
1796	else	2197	else
1797	ev_embed_sweep (loop, w);	2198	ev_embed_sweep (loop, w);
1798	}	2199	}
1799		2200
		2201	static void
		2202	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
		2203	{
		2204	ev_embed w = (ev_embed )(((char *)prepare) - offsetof (ev_embed, prepare));
		2205
		2206	fd_reify (w->other);
		2207	}
		2208
1800	void	2209	void
1801	ev_embed_start (EV_P_ ev_embed *w)	2210	ev_embed_start (EV_P_ ev_embed *w)
1802	{	2211	{
1803	if (expect_false (ev_is_active (w)))	2212	if (expect_false (ev_is_active (w)))
1804	return;	2213	return;
1805		2214
1806	{	2215	{
1807	struct ev_loop *loop = w->loop;	2216	struct ev_loop *loop = w->other;
1808	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	2217	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
1809	ev_io_init (&w->io, embed_cb, backend_fd, EV_READ);	2218	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
1810	}	2219	}
1811		2220
1812	ev_set_priority (&w->io, ev_priority (w));	2221	ev_set_priority (&w->io, ev_priority (w));
1813	ev_io_start (EV_A_ &w->io);	2222	ev_io_start (EV_A_ &w->io);
1814		2223
		2224	ev_prepare_init (&w->prepare, embed_prepare_cb);
		2225	ev_set_priority (&w->prepare, EV_MINPRI);
		2226	ev_prepare_start (EV_A_ &w->prepare);
		2227
1815	ev_start (EV_A_ (W)w, 1);	2228	ev_start (EV_A_ (W)w, 1);
1816	}	2229	}
1817		2230
1818	void	2231	void
1819	ev_embed_stop (EV_P_ ev_embed *w)	2232	ev_embed_stop (EV_P_ ev_embed *w)
1820	{	2233	{
1821	ev_clear_pending (EV_A_ (W)w);	2234	clear_pending (EV_A_ (W)w);
1822	if (expect_false (!ev_is_active (w)))	2235	if (expect_false (!ev_is_active (w)))
1823	return;	2236	return;
1824		2237
1825	ev_io_stop (EV_A_ &w->io);	2238	ev_io_stop (EV_A_ &w->io);
		2239	ev_prepare_stop (EV_A_ &w->prepare);
		2240
		2241	ev_stop (EV_A_ (W)w);
		2242	}
		2243	#endif
		2244
		2245	#if EV_FORK_ENABLE
		2246	void
		2247	ev_fork_start (EV_P_ ev_fork *w)
		2248	{
		2249	if (expect_false (ev_is_active (w)))
		2250	return;
		2251
		2252	ev_start (EV_A_ (W)w, ++forkcnt);
		2253	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);
		2254	forks [forkcnt - 1] = w;
		2255	}
		2256
		2257	void
		2258	ev_fork_stop (EV_P_ ev_fork *w)
		2259	{
		2260	clear_pending (EV_A_ (W)w);
		2261	if (expect_false (!ev_is_active (w)))
		2262	return;
		2263
		2264	{
		2265	int active = ((W)w)->active;
		2266	forks [active - 1] = forks [--forkcnt];
		2267	((W)forks [active - 1])->active = active;
		2268	}
1826		2269
1827	ev_stop (EV_A_ (W)w);	2270	ev_stop (EV_A_ (W)w);
1828	}	2271	}
1829	#endif	2272	#endif
1830		2273
…		…
1890	ev_timer_set (&once->to, timeout, 0.);	2333	ev_timer_set (&once->to, timeout, 0.);
1891	ev_timer_start (EV_A_ &once->to);	2334	ev_timer_start (EV_A_ &once->to);
1892	}	2335	}
1893	}	2336	}
1894		2337
		2338	#if EV_MULTIPLICITY
		2339	#include "ev_wrap.h"
		2340	#endif
		2341
1895	#ifdef __cplusplus	2342	#ifdef __cplusplus
1896	}	2343	}
1897	#endif	2344	#endif
1898		2345

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Comparing libev/ev.c (file contents): Revision 1.144 by root, Tue Nov 27 08:11:52 2007 UTC vs. Revision 1.189 by root, Thu Dec 20 10:12:22 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.144 by root, Tue Nov 27 08:11:52 2007 UTC vs.
Revision 1.189 by root, Thu Dec 20 10:12:22 2007 UTC