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

Comparing libev/ev.c (file contents):
Revision 1.149 by root, Tue Nov 27 19:23:31 2007 UTC vs.
Revision 1.188 by root, Thu Dec 20 07:12:57 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
161	#ifndef EV_PID_HASHSIZE	179	#ifndef EV_PID_HASHSIZE
162	# if EV_MINIMAL	180	# if EV_MINIMAL
163	# define EV_PID_HASHSIZE 1	181	# define EV_PID_HASHSIZE 1
164	# else	182	# else
165	# define EV_PID_HASHSIZE 16	183	# define EV_PID_HASHSIZE 16
166	# endif	184	# endif
167	#endif	185	#endif
168		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
169	/**/	195	/**/
170		196
171	#ifndef CLOCK_MONOTONIC	197	#ifndef CLOCK_MONOTONIC
172	# undef EV_USE_MONOTONIC	198	# undef EV_USE_MONOTONIC
173	# define EV_USE_MONOTONIC 0	199	# define EV_USE_MONOTONIC 0
…		…
176	#ifndef CLOCK_REALTIME	202	#ifndef CLOCK_REALTIME
177	# undef EV_USE_REALTIME	203	# undef EV_USE_REALTIME
178	# define EV_USE_REALTIME 0	204	# define EV_USE_REALTIME 0
179	#endif	205	#endif
180		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
181	#if EV_SELECT_IS_WINSOCKET	216	#if EV_SELECT_IS_WINSOCKET
182	# include <winsock.h>	217	# include <winsock.h>
183	#endif	218	#endif
184		219
185	/**/	220	/**/
186		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
187	#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) */
188	#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) */
189	/#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 */
190		235
191	#ifdef EV_H
192	# include EV_H
193	#else
194	# include "ev.h"
195	#endif
196
197	#if __GNUC__ >= 3	236	#if __GNUC__ >= 4
198	# define expect(expr,value) __builtin_expect ((expr),(value))	237	# define expect(expr,value) __builtin_expect ((expr),(value))
199	# define inline_size static inline /* inline for codesize */
200	# if EV_MINIMAL
201	# define noinline __attribute__ ((noinline))	238	# define noinline __attribute__ ((noinline))
202	# define inline_speed static noinline
203	# else
204	# define noinline
205	# define inline_speed static inline
206	# endif
207	#else	239	#else
208	# define expect(expr,value) (expr)	240	# define expect(expr,value) (expr)
209	# define inline_speed static
210	# define inline_size static
211	# define noinline	241	# define noinline
		242	# if __STDC_VERSION__ < 199901L
		243	# define inline
		244	# endif
212	#endif	245	#endif
213		246
214	#define expect_false(expr) expect ((expr) != 0, 0)	247	#define expect_false(expr) expect ((expr) != 0, 0)
215	#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
216		256
217	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	257	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
218	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	258	#define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
219		259
220	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */	260	#define EMPTY /* required for microsofts broken pseudo-c compiler */
221	#define EMPTY2(a,b) /* used to suppress some warnings */	261	#define EMPTY2(a,b) /* used to suppress some warnings */
222		262
223	typedef ev_watcher *W;	263	typedef ev_watcher *W;
224	typedef ev_watcher_list *WL;	264	typedef ev_watcher_list *WL;
225	typedef ev_watcher_time *WT;	265	typedef ev_watcher_time *WT;
…		…
261	ev_set_allocator (void (cb)(void *ptr, long size))	301	ev_set_allocator (void (cb)(void *ptr, long size))
262	{	302	{
263	alloc = cb;	303	alloc = cb;
264	}	304	}
265		305
266	static void *	306	inline_speed void *
267	ev_realloc (void *ptr, long size)	307	ev_realloc (void *ptr, long size)
268	{	308	{
269	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);	309	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
270		310
271	if (!ptr && size)	311	if (!ptr && size)
…		…
295	typedef struct	335	typedef struct
296	{	336	{
297	W w;	337	W w;
298	int events;	338	int events;
299	} ANPENDING;	339	} ANPENDING;
		340
		341	#if EV_USE_INOTIFY
		342	typedef struct
		343	{
		344	WL head;
		345	} ANFS;
		346	#endif
300		347
301	#if EV_MULTIPLICITY	348	#if EV_MULTIPLICITY
302		349
303	struct ev_loop	350	struct ev_loop
304	{	351	{
…		…
361	{	408	{
362	return ev_rt_now;	409	return ev_rt_now;
363	}	410	}
364	#endif	411	#endif
365		412
366	#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	}
367		440
368	#define array_needsize(type,base,cur,cnt,init) \	441	#define array_needsize(type,base,cur,cnt,init) \
369	if (expect_false ((cnt) > cur)) \	442	if (expect_false ((cnt) > (cur))) \
370	{ \	443	{ \
371	int newcnt = cur; \	444	int ocur_ = (cur); \
372	do \	445	(base) = (type *)array_realloc \
373	{ \	446	(sizeof (type), (base), &(cur), (cnt)); \
374	newcnt = array_roundsize (type, newcnt << 1); \	447	init ((base) + (ocur_), (cur) - ocur_); \
375	} \
376	while ((cnt) > newcnt); \
377	\
378	base = (type )ev_realloc (base, sizeof (type) (newcnt));\
379	init (base + cur, newcnt - cur); \
380	cur = newcnt; \
381	}	448	}
382		449
		450	#if 0
383	#define array_slim(type,stem) \	451	#define array_slim(type,stem) \
384	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	452	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
385	{ \	453	{ \
386	stem ## max = array_roundsize (stem ## cnt >> 1); \	454	stem ## max = array_roundsize (stem ## cnt >> 1); \
387	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\	455	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
388	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\	456	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
389	}	457	}
		458	#endif
390		459
391	#define array_free(stem, idx) \	460	#define array_free(stem, idx) \
392	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;
393		462
394	/*****************************************************************************/	463	/*****************************************************************************/
395		464
396	void noinline	465	void noinline
397	ev_feed_event (EV_P_ void *w, int revents)	466	ev_feed_event (EV_P_ void *w, int revents)
398	{	467	{
399	W w_ = (W)w;	468	W w_ = (W)w;
		469	int pri = ABSPRI (w_);
400		470
401	if (expect_false (w_->pending))	471	if (expect_false (w_->pending))
		472	pendings [pri][w_->pending - 1].events \|= revents;
		473	else
402	{	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_;
403	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;	478	pendings [pri][w_->pending - 1].events = revents;
404	return;
405	}	479	}
406
407	w_->pending = ++pendingcnt [ABSPRI (w_)];
408	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
409	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
410	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
411	}	480	}
412		481
413	void inline_size	482	void inline_speed
414	queue_events (EV_P_ W *events, int eventcnt, int type)	483	queue_events (EV_P_ W *events, int eventcnt, int type)
415	{	484	{
416	int i;	485	int i;
417		486
418	for (i = 0; i < eventcnt; ++i)	487	for (i = 0; i < eventcnt; ++i)
…		…
450	}	519	}
451		520
452	void	521	void
453	ev_feed_fd_event (EV_P_ int fd, int revents)	522	ev_feed_fd_event (EV_P_ int fd, int revents)
454	{	523	{
		524	if (fd >= 0 && fd < anfdmax)
455	fd_event (EV_A_ fd, revents);	525	fd_event (EV_A_ fd, revents);
456	}	526	}
457		527
458	void inline_size	528	void inline_size
459	fd_reify (EV_P)	529	fd_reify (EV_P)
460	{	530	{
…		…
464	{	534	{
465	int fd = fdchanges [i];	535	int fd = fdchanges [i];
466	ANFD *anfd = anfds + fd;	536	ANFD *anfd = anfds + fd;
467	ev_io *w;	537	ev_io *w;
468		538
469	int events = 0;	539	unsigned char events = 0;
470		540
471	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)
472	events \|= w->events;	542	events \|= (unsigned char)w->events;
473		543
474	#if EV_SELECT_IS_WINSOCKET	544	#if EV_SELECT_IS_WINSOCKET
475	if (events)	545	if (events)
476	{	546	{
477	unsigned long argp;	547	unsigned long argp;
478	anfd->handle = _get_osfhandle (fd);	548	anfd->handle = _get_osfhandle (fd);
479	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));
480	}	550	}
481	#endif	551	#endif
482		552
		553	{
		554	unsigned char o_events = anfd->events;
		555	unsigned char o_reify = anfd->reify;
		556
483	anfd->reify = 0;	557	anfd->reify = 0;
484
485	backend_modify (EV_A_ fd, anfd->events, events);
486	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	}
487	}	563	}
488		564
489	fdchangecnt = 0;	565	fdchangecnt = 0;
490	}	566	}
491		567
492	void inline_size	568	void inline_size
493	fd_change (EV_P_ int fd)	569	fd_change (EV_P_ int fd, int flags)
494	{	570	{
495	if (expect_false (anfds [fd].reify))	571	unsigned char reify = anfds [fd].reify;
496	return;
497
498	anfds [fd].reify = 1;	572	anfds [fd].reify \|= flags;
499		573
		574	if (expect_true (!reify))
		575	{
500	++fdchangecnt;	576	++fdchangecnt;
501	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	577	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
502	fdchanges [fdchangecnt - 1] = fd;	578	fdchanges [fdchangecnt - 1] = fd;
		579	}
503	}	580	}
504		581
505	void inline_speed	582	void inline_speed
506	fd_kill (EV_P_ int fd)	583	fd_kill (EV_P_ int fd)
507	{	584	{
…		…
554	static void noinline	631	static void noinline
555	fd_rearm_all (EV_P)	632	fd_rearm_all (EV_P)
556	{	633	{
557	int fd;	634	int fd;
558		635
559	/* this should be highly optimised to not do anything but set a flag */
560	for (fd = 0; fd < anfdmax; ++fd)	636	for (fd = 0; fd < anfdmax; ++fd)
561	if (anfds [fd].events)	637	if (anfds [fd].events)
562	{	638	{
563	anfds [fd].events = 0;	639	anfds [fd].events = 0;
564	fd_change (EV_A_ fd);	640	fd_change (EV_A_ fd, EV_IOFDSET \| 1);
565	}	641	}
566	}	642	}
567		643
568	/*****************************************************************************/	644	/*****************************************************************************/
569		645
570	void inline_speed	646	void inline_speed
571	upheap (WT *heap, int k)	647	upheap (WT *heap, int k)
572	{	648	{
573	WT w = heap [k];	649	WT w = heap [k];
574		650
575	while (k && heap [k >> 1]->at > w->at)	651	while (k)
576	{	652	{
		653	int p = (k - 1) >> 1;
		654
		655	if (heap [p]->at <= w->at)
		656	break;
		657
577	heap [k] = heap [k >> 1];	658	heap [k] = heap [p];
578	((W)heap [k])->active = k + 1;	659	((W)heap [k])->active = k + 1;
579	k >>= 1;	660	k = p;
580	}	661	}
581		662
582	heap [k] = w;	663	heap [k] = w;
583	((W)heap [k])->active = k + 1;	664	((W)heap [k])->active = k + 1;
584
585	}	665	}
586		666
587	void inline_speed	667	void inline_speed
588	downheap (WT *heap, int N, int k)	668	downheap (WT *heap, int N, int k)
589	{	669	{
590	WT w = heap [k];	670	WT w = heap [k];
591		671
592	while (k < (N >> 1))	672	for (;;)
593	{	673	{
594	int j = k << 1;	674	int c = (k << 1) + 1;
595		675
596	if (j + 1 < N && heap [j]->at > heap [j + 1]->at)	676	if (c >= N)
597	++j;
598
599	if (w->at <= heap [j]->at)
600	break;	677	break;
601		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
602	heap [k] = heap [j];	685	heap [k] = heap [c];
603	((W)heap [k])->active = k + 1;	686	((W)heap [k])->active = k + 1;
		687
604	k = j;	688	k = c;
605	}	689	}
606		690
607	heap [k] = w;	691	heap [k] = w;
608	((W)heap [k])->active = k + 1;	692	((W)heap [k])->active = k + 1;
609	}	693	}
…		…
691	for (signum = signalmax; signum--; )	775	for (signum = signalmax; signum--; )
692	if (signals [signum].gotsig)	776	if (signals [signum].gotsig)
693	ev_feed_signal_event (EV_A_ signum + 1);	777	ev_feed_signal_event (EV_A_ signum + 1);
694	}	778	}
695		779
696	void inline_size	780	void inline_speed
697	fd_intern (int fd)	781	fd_intern (int fd)
698	{	782	{
699	#ifdef _WIN32	783	#ifdef _WIN32
700	int arg = 1;	784	int arg = 1;
701	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	785	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
…		…
716	ev_unref (EV_A); /* child watcher should not keep loop alive */	800	ev_unref (EV_A); /* child watcher should not keep loop alive */
717	}	801	}
718		802
719	/*****************************************************************************/	803	/*****************************************************************************/
720		804
721	static ev_child *childs [EV_PID_HASHSIZE];	805	static WL childs [EV_PID_HASHSIZE];
722		806
723	#ifndef _WIN32	807	#ifndef _WIN32
724		808
725	static ev_signal childev;	809	static ev_signal childev;
726		810
…		…
730	ev_child *w;	814	ev_child *w;
731		815
732	for (w = (ev_child )childs [chain & (EV_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)
733	if (w->pid == pid \|\| !w->pid)	817	if (w->pid == pid \|\| !w->pid)
734	{	818	{
735	ev_priority (w) = ev_priority (sw); /* need to do it now */	819	ev_set_priority (w, ev_priority (sw)); /* need to do it now */
736	w->rpid = pid;	820	w->rpid = pid;
737	w->rstatus = status;	821	w->rstatus = status;
738	ev_feed_event (EV_A_ (W)w, EV_CHILD);	822	ev_feed_event (EV_A_ (W)w, EV_CHILD);
739	}	823	}
740	}	824	}
741		825
742	#ifndef WCONTINUED	826	#ifndef WCONTINUED
…		…
852	ev_backend (EV_P)	936	ev_backend (EV_P)
853	{	937	{
854	return backend;	938	return backend;
855	}	939	}
856		940
857	static void	941	unsigned int
		942	ev_loop_count (EV_P)
		943	{
		944	return loop_count;
		945	}
		946
		947	static void noinline
858	loop_init (EV_P_ unsigned int flags)	948	loop_init (EV_P_ unsigned int flags)
859	{	949	{
860	if (!backend)	950	if (!backend)
861	{	951	{
862	#if EV_USE_MONOTONIC	952	#if EV_USE_MONOTONIC
…		…
870	ev_rt_now = ev_time ();	960	ev_rt_now = ev_time ();
871	mn_now = get_clock ();	961	mn_now = get_clock ();
872	now_floor = mn_now;	962	now_floor = mn_now;
873	rtmn_diff = ev_rt_now - mn_now;	963	rtmn_diff = ev_rt_now - mn_now;
874		964
		965	/* pid check not overridable via env */
		966	#ifndef _WIN32
		967	if (flags & EVFLAG_FORKCHECK)
		968	curpid = getpid ();
		969	#endif
		970
875	if (!(flags & EVFLAG_NOENV)	971	if (!(flags & EVFLAG_NOENV)
876	&& !enable_secure ()	972	&& !enable_secure ()
877	&& getenv ("LIBEV_FLAGS"))	973	&& getenv ("LIBEV_FLAGS"))
878	flags = atoi (getenv ("LIBEV_FLAGS"));	974	flags = atoi (getenv ("LIBEV_FLAGS"));
879		975
880	if (!(flags & 0x0000ffffUL))	976	if (!(flags & 0x0000ffffUL))
881	flags \|= ev_recommended_backends ();	977	flags \|= ev_recommended_backends ();
882		978
883	backend = 0;	979	backend = 0;
		980	backend_fd = -1;
		981	#if EV_USE_INOTIFY
		982	fs_fd = -2;
		983	#endif
		984
884	#if EV_USE_PORT	985	#if EV_USE_PORT
885	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	986	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
886	#endif	987	#endif
887	#if EV_USE_KQUEUE	988	#if EV_USE_KQUEUE
888	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	989	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
…		…
900	ev_init (&sigev, sigcb);	1001	ev_init (&sigev, sigcb);
901	ev_set_priority (&sigev, EV_MAXPRI);	1002	ev_set_priority (&sigev, EV_MAXPRI);
902	}	1003	}
903	}	1004	}
904		1005
905	static void	1006	static void noinline
906	loop_destroy (EV_P)	1007	loop_destroy (EV_P)
907	{	1008	{
908	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);
909		1018
910	#if EV_USE_PORT	1019	#if EV_USE_PORT
911	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	1020	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
912	#endif	1021	#endif
913	#if EV_USE_KQUEUE	1022	#if EV_USE_KQUEUE
…		…
922	#if EV_USE_SELECT	1031	#if EV_USE_SELECT
923	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	1032	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);
924	#endif	1033	#endif
925		1034
926	for (i = NUMPRI; i--; )	1035	for (i = NUMPRI; i--; )
		1036	{
927	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;
928		1044
929	/* have to use the microsoft-never-gets-it-right macro */	1045	/* have to use the microsoft-never-gets-it-right macro */
930	array_free (fdchange, EMPTY0);	1046	array_free (fdchange, EMPTY);
931	array_free (timer, EMPTY0);	1047	array_free (timer, EMPTY);
932	#if EV_PERIODIC_ENABLE	1048	#if EV_PERIODIC_ENABLE
933	array_free (periodic, EMPTY0);	1049	array_free (periodic, EMPTY);
934	#endif	1050	#endif
		1051	#if EV_FORK_ENABLE
935	array_free (idle, EMPTY0);	1052	array_free (fork, EMPTY);
		1053	#endif
936	array_free (prepare, EMPTY0);	1054	array_free (prepare, EMPTY);
937	array_free (check, EMPTY0);	1055	array_free (check, EMPTY);
938		1056
939	backend = 0;	1057	backend = 0;
940	}	1058	}
941		1059
942	static void	1060	void inline_size infy_fork (EV_P);
		1061
		1062	void inline_size
943	loop_fork (EV_P)	1063	loop_fork (EV_P)
944	{	1064	{
945	#if EV_USE_PORT	1065	#if EV_USE_PORT
946	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	1066	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
947	#endif	1067	#endif
948	#if EV_USE_KQUEUE	1068	#if EV_USE_KQUEUE
949	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	1069	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);
950	#endif	1070	#endif
951	#if EV_USE_EPOLL	1071	#if EV_USE_EPOLL
952	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);
953	#endif	1076	#endif
954		1077
955	if (ev_is_active (&sigev))	1078	if (ev_is_active (&sigev))
956	{	1079	{
957	/* default loop */	1080	/* default loop */
…		…
1073	postfork = 1;	1196	postfork = 1;
1074	}	1197	}
1075		1198
1076	/*****************************************************************************/	1199	/*****************************************************************************/
1077		1200
1078	int inline_size	1201	void
1079	any_pending (EV_P)	1202	ev_invoke (EV_P_ void *w, int revents)
1080	{	1203	{
1081	int pri;	1204	EV_CB_INVOKE ((W)w, revents);
1082
1083	for (pri = NUMPRI; pri--; )
1084	if (pendingcnt [pri])
1085	return 1;
1086
1087	return 0;
1088	}	1205	}
1089		1206
1090	void inline_speed	1207	void inline_speed
1091	call_pending (EV_P)	1208	call_pending (EV_P)
1092	{	1209	{
…		…
1097	{	1214	{
1098	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1215	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
1099		1216
1100	if (expect_true (p->w))	1217	if (expect_true (p->w))
1101	{	1218	{
1102	assert (("non-pending watcher on pending list", p->w->pending));	1219	/assert (("non-pending watcher on pending list", p->w->pending));/
1103		1220
1104	p->w->pending = 0;	1221	p->w->pending = 0;
1105	EV_CB_INVOKE (p->w, p->events);	1222	EV_CB_INVOKE (p->w, p->events);
1106	}	1223	}
1107	}	1224	}
…		…
1110	void inline_size	1227	void inline_size
1111	timers_reify (EV_P)	1228	timers_reify (EV_P)
1112	{	1229	{
1113	while (timercnt && ((WT)timers [0])->at <= mn_now)	1230	while (timercnt && ((WT)timers [0])->at <= mn_now)
1114	{	1231	{
1115	ev_timer *w = timers [0];	1232	ev_timer w = (ev_timer )timers [0];
1116		1233
1117	assert (("inactive timer on timer heap detected", ev_is_active (w)));	1234	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/
1118		1235
1119	/* first reschedule or stop timer */	1236	/* first reschedule or stop timer */
1120	if (w->repeat)	1237	if (w->repeat)
1121	{	1238	{
1122	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.));
1123		1240
1124	((WT)w)->at += w->repeat;	1241	((WT)w)->at += w->repeat;
1125	if (((WT)w)->at < mn_now)	1242	if (((WT)w)->at < mn_now)
1126	((WT)w)->at = mn_now;	1243	((WT)w)->at = mn_now;
1127		1244
1128	downheap ((WT *)timers, timercnt, 0);	1245	downheap (timers, timercnt, 0);
1129	}	1246	}
1130	else	1247	else
1131	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1248	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1132		1249
1133	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1250	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
…		…
1138	void inline_size	1255	void inline_size
1139	periodics_reify (EV_P)	1256	periodics_reify (EV_P)
1140	{	1257	{
1141	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)	1258	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1142	{	1259	{
1143	ev_periodic *w = periodics [0];	1260	ev_periodic w = (ev_periodic )periodics [0];
1144		1261
1145	assert (("inactive timer on periodic heap detected", ev_is_active (w)));	1262	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/
1146		1263
1147	/* first reschedule or stop timer */	1264	/* first reschedule or stop timer */
1148	if (w->reschedule_cb)	1265	if (w->reschedule_cb)
1149	{	1266	{
1150	((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);
1151	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));
1152	downheap ((WT *)periodics, periodiccnt, 0);	1269	downheap (periodics, periodiccnt, 0);
1153	}	1270	}
1154	else if (w->interval)	1271	else if (w->interval)
1155	{	1272	{
1156	((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;
1157	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));
1158	downheap ((WT *)periodics, periodiccnt, 0);	1276	downheap (periodics, periodiccnt, 0);
1159	}	1277	}
1160	else	1278	else
1161	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1279	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1162		1280
1163	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);	1281	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
…		…
1170	int i;	1288	int i;
1171		1289
1172	/* adjust periodics after time jump */	1290	/* adjust periodics after time jump */
1173	for (i = 0; i < periodiccnt; ++i)	1291	for (i = 0; i < periodiccnt; ++i)
1174	{	1292	{
1175	ev_periodic *w = periodics [i];	1293	ev_periodic w = (ev_periodic )periodics [i];
1176		1294
1177	if (w->reschedule_cb)	1295	if (w->reschedule_cb)
1178	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1296	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1179	else if (w->interval)	1297	else if (w->interval)
1180	((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;
1181	}	1299	}
1182		1300
1183	/* now rebuild the heap */	1301	/* now rebuild the heap */
1184	for (i = periodiccnt >> 1; i--; )	1302	for (i = periodiccnt >> 1; i--; )
1185	downheap ((WT *)periodics, periodiccnt, i);	1303	downheap (periodics, periodiccnt, i);
1186	}	1304	}
1187	#endif	1305	#endif
1188		1306
		1307	#if EV_IDLE_ENABLE
1189	int inline_size	1308	void inline_size
1190	time_update_monotonic (EV_P)	1309	idle_reify (EV_P)
1191	{	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
1192	mn_now = get_clock ();	1340	mn_now = get_clock ();
1193		1341
		1342	/* only fetch the realtime clock every 0.5MIN_TIMEJUMP seconds /
		1343	/* interpolate in the meantime */
1194	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1344	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
1195	{	1345	{
1196	ev_rt_now = rtmn_diff + mn_now;	1346	ev_rt_now = rtmn_diff + mn_now;
1197	return 0;	1347	return;
1198	}	1348	}
1199	else	1349
1200	{
1201	now_floor = mn_now;	1350	now_floor = mn_now;
1202	ev_rt_now = ev_time ();	1351	ev_rt_now = ev_time ();
1203	return 1;
1204	}
1205	}
1206		1352
1207	void inline_size	1353	/* loop a few times, before making important decisions.
1208	time_update (EV_P)	1354	* on the choice of "4": one iteration isn't enough,
1209	{	1355	* in case we get preempted during the calls to
1210	int i;	1356	* ev_time and get_clock. a second call is almost guaranteed
1211		1357	* to succeed in that case, though. and looping a few more times
1212	#if EV_USE_MONOTONIC	1358	* doesn't hurt either as we only do this on time-jumps or
1213	if (expect_true (have_monotonic))	1359	* in the unlikely event of having been preempted here.
1214	{	1360	*/
1215	if (time_update_monotonic (EV_A))	1361	for (i = 4; --i; )
1216	{	1362	{
1217	ev_tstamp odiff = rtmn_diff;
1218
1219	/* loop a few times, before making important decisions.
1220	* on the choice of "4": one iteration isn't enough,
1221	* in case we get preempted during the calls to
1222	* ev_time and get_clock. a second call is almost guarenteed
1223	* to succeed in that case, though. and looping a few more times
1224	* doesn't hurt either as we only do this on time-jumps or
1225	* in the unlikely event of getting preempted here.
1226	*/
1227	for (i = 4; --i; )
1228	{
1229	rtmn_diff = ev_rt_now - mn_now;	1363	rtmn_diff = ev_rt_now - mn_now;
1230		1364
1231	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1365	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
1232	return; /* all is well */	1366	return; /* all is well */
1233		1367
1234	ev_rt_now = ev_time ();	1368	ev_rt_now = ev_time ();
1235	mn_now = get_clock ();	1369	mn_now = get_clock ();
1236	now_floor = mn_now;	1370	now_floor = mn_now;
1237	}	1371	}
1238		1372
1239	# if EV_PERIODIC_ENABLE	1373	# if EV_PERIODIC_ENABLE
1240	periodics_reschedule (EV_A);	1374	periodics_reschedule (EV_A);
1241	# endif	1375	# endif
1242	/* no timer adjustment, as the monotonic clock doesn't jump */	1376	/* no timer adjustment, as the monotonic clock doesn't jump */
1243	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */	1377	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1244	}
1245	}	1378	}
1246	else	1379	else
1247	#endif	1380	#endif
1248	{	1381	{
1249	ev_rt_now = ev_time ();	1382	ev_rt_now = ev_time ();
1250		1383
1251	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))
1252	{	1385	{
1253	#if EV_PERIODIC_ENABLE	1386	#if EV_PERIODIC_ENABLE
1254	periodics_reschedule (EV_A);	1387	periodics_reschedule (EV_A);
1255	#endif	1388	#endif
1256
1257	/* 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 */
1258	for (i = 0; i < timercnt; ++i)	1390	for (i = 0; i < timercnt; ++i)
1259	((WT)timers [i])->at += ev_rt_now - mn_now;	1391	((WT)timers [i])->at += ev_rt_now - mn_now;
1260	}	1392	}
1261		1393
1262	mn_now = ev_rt_now;	1394	mn_now = ev_rt_now;
…		…
1282	{	1414	{
1283	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK)	1415	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK)
1284	? EVUNLOOP_ONE	1416	? EVUNLOOP_ONE
1285	: EVUNLOOP_CANCEL;	1417	: EVUNLOOP_CANCEL;
1286		1418
1287	while (activecnt)	1419	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */
		1420
		1421	do
1288	{	1422	{
1289	/* we might have forked, so reify kernel state if necessary */	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
1290	#if EV_FORK_ENABLE	1432	#if EV_FORK_ENABLE
		1433	/* we might have forked, so queue fork handlers */
1291	if (expect_false (postfork))	1434	if (expect_false (postfork))
1292	if (forkcnt)	1435	if (forkcnt)
1293	{	1436	{
1294	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	1437	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
1295	call_pending (EV_A);	1438	call_pending (EV_A);
1296	}	1439	}
1297	#endif	1440	#endif
1298		1441
1299	/* queue check watchers (and execute them) */	1442	/* queue prepare watchers (and execute them) */
1300	if (expect_false (preparecnt))	1443	if (expect_false (preparecnt))
1301	{	1444	{
1302	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1445	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
1303	call_pending (EV_A);	1446	call_pending (EV_A);
1304	}	1447	}
1305		1448
		1449	if (expect_false (!activecnt))
		1450	break;
		1451
1306	/* we might have forked, so reify kernel state if necessary */	1452	/* we might have forked, so reify kernel state if necessary */
1307	if (expect_false (postfork))	1453	if (expect_false (postfork))
1308	loop_fork (EV_A);	1454	loop_fork (EV_A);
1309		1455
1310	/* update fd-related kernel structures */	1456	/* update fd-related kernel structures */
1311	fd_reify (EV_A);	1457	fd_reify (EV_A);
1312		1458
1313	/* calculate blocking time */	1459	/* calculate blocking time */
1314	{	1460	{
1315	double block;	1461	ev_tstamp block;
1316		1462
1317	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1463	if (expect_false (flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt))
1318	block = 0.; /* do not block at all */	1464	block = 0.; /* do not block at all */
1319	else	1465	else
1320	{	1466	{
1321	/* update time to cancel out callback processing overhead */	1467	/* update time to cancel out callback processing overhead */
1322	#if EV_USE_MONOTONIC
1323	if (expect_true (have_monotonic))
1324	time_update_monotonic (EV_A);	1468	time_update (EV_A_ 1e100);
1325	else
1326	#endif
1327	{
1328	ev_rt_now = ev_time ();
1329	mn_now = ev_rt_now;
1330	}
1331		1469
1332	block = MAX_BLOCKTIME;	1470	block = MAX_BLOCKTIME;
1333		1471
1334	if (timercnt)	1472	if (timercnt)
1335	{	1473	{
…		…
1346	#endif	1484	#endif
1347		1485
1348	if (expect_false (block < 0.)) block = 0.;	1486	if (expect_false (block < 0.)) block = 0.;
1349	}	1487	}
1350		1488
		1489	++loop_count;
1351	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);
1352	}	1494	}
1353
1354	/* update ev_rt_now, do magic */
1355	time_update (EV_A);
1356		1495
1357	/* queue pending timers and reschedule them */	1496	/* queue pending timers and reschedule them */
1358	timers_reify (EV_A); /* relative timers called last */	1497	timers_reify (EV_A); /* relative timers called last */
1359	#if EV_PERIODIC_ENABLE	1498	#if EV_PERIODIC_ENABLE
1360	periodics_reify (EV_A); /* absolute timers called first */	1499	periodics_reify (EV_A); /* absolute timers called first */
1361	#endif	1500	#endif
1362		1501
		1502	#if EV_IDLE_ENABLE
1363	/* queue idle watchers unless other events are pending */	1503	/* queue idle watchers unless other events are pending */
1364	if (idlecnt && !any_pending (EV_A))	1504	idle_reify (EV_A);
1365	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1505	#endif
1366		1506
1367	/* queue check watchers, to be executed first */	1507	/* queue check watchers, to be executed first */
1368	if (expect_false (checkcnt))	1508	if (expect_false (checkcnt))
1369	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1509	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1370		1510
1371	call_pending (EV_A);	1511	call_pending (EV_A);
1372		1512
1373	if (expect_false (loop_done))
1374	break;
1375	}	1513	}
		1514	while (expect_true (activecnt && !loop_done));
1376		1515
1377	if (loop_done == EVUNLOOP_ONE)	1516	if (loop_done == EVUNLOOP_ONE)
1378	loop_done = EVUNLOOP_CANCEL;	1517	loop_done = EVUNLOOP_CANCEL;
1379	}	1518	}
1380		1519
…		…
1407	head = &(*head)->next;	1546	head = &(*head)->next;
1408	}	1547	}
1409	}	1548	}
1410		1549
1411	void inline_speed	1550	void inline_speed
1412	ev_clear_pending (EV_P_ W w)	1551	clear_pending (EV_P_ W w)
1413	{	1552	{
1414	if (w->pending)	1553	if (w->pending)
1415	{	1554	{
1416	pendings [ABSPRI (w)][w->pending - 1].w = 0;	1555	pendings [ABSPRI (w)][w->pending - 1].w = 0;
1417	w->pending = 0;	1556	w->pending = 0;
1418	}	1557	}
1419	}	1558	}
1420		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
1421	void inline_speed	1586	void inline_speed
1422	ev_start (EV_P_ W w, int active)	1587	ev_start (EV_P_ W w, int active)
1423	{	1588	{
1424	if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;	1589	pri_adjust (EV_A_ w);
1425	if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
1426
1427	w->active = active;	1590	w->active = active;
1428	ev_ref (EV_A);	1591	ev_ref (EV_A);
1429	}	1592	}
1430		1593
1431	void inline_size	1594	void inline_size
…		…
1435	w->active = 0;	1598	w->active = 0;
1436	}	1599	}
1437		1600
1438	/*****************************************************************************/	1601	/*****************************************************************************/
1439		1602
1440	void	1603	void noinline
1441	ev_io_start (EV_P_ ev_io *w)	1604	ev_io_start (EV_P_ ev_io *w)
1442	{	1605	{
1443	int fd = w->fd;	1606	int fd = w->fd;
1444		1607
1445	if (expect_false (ev_is_active (w)))	1608	if (expect_false (ev_is_active (w)))
…		…
1447		1610
1448	assert (("ev_io_start called with negative fd", fd >= 0));	1611	assert (("ev_io_start called with negative fd", fd >= 0));
1449		1612
1450	ev_start (EV_A_ (W)w, 1);	1613	ev_start (EV_A_ (W)w, 1);
1451	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);	1614	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1452	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1615	wlist_add (&anfds[fd].head, (WL)w);
1453		1616
1454	fd_change (EV_A_ fd);	1617	fd_change (EV_A_ fd, w->events & EV_IOFDSET \| 1);
		1618	w->events &= ~EV_IOFDSET;
1455	}	1619	}
1456		1620
1457	void	1621	void noinline
1458	ev_io_stop (EV_P_ ev_io *w)	1622	ev_io_stop (EV_P_ ev_io *w)
1459	{	1623	{
1460	ev_clear_pending (EV_A_ (W)w);	1624	clear_pending (EV_A_ (W)w);
1461	if (expect_false (!ev_is_active (w)))	1625	if (expect_false (!ev_is_active (w)))
1462	return;	1626	return;
1463		1627
1464	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));
1465		1629
1466	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1630	wlist_del (&anfds[w->fd].head, (WL)w);
1467	ev_stop (EV_A_ (W)w);	1631	ev_stop (EV_A_ (W)w);
1468		1632
1469	fd_change (EV_A_ w->fd);	1633	fd_change (EV_A_ w->fd, 1);
1470	}	1634	}
1471		1635
1472	void	1636	void noinline
1473	ev_timer_start (EV_P_ ev_timer *w)	1637	ev_timer_start (EV_P_ ev_timer *w)
1474	{	1638	{
1475	if (expect_false (ev_is_active (w)))	1639	if (expect_false (ev_is_active (w)))
1476	return;	1640	return;
1477		1641
1478	((WT)w)->at += mn_now;	1642	((WT)w)->at += mn_now;
1479		1643
1480	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.));
1481		1645
1482	ev_start (EV_A_ (W)w, ++timercnt);	1646	ev_start (EV_A_ (W)w, ++timercnt);
1483	array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2);	1647	array_needsize (WT, timers, timermax, timercnt, EMPTY2);
1484	timers [timercnt - 1] = w;	1648	timers [timercnt - 1] = (WT)w;
1485	upheap ((WT *)timers, timercnt - 1);	1649	upheap (timers, timercnt - 1);
1486		1650
1487	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1651	/assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));/
1488	}	1652	}
1489		1653
1490	void	1654	void noinline
1491	ev_timer_stop (EV_P_ ev_timer *w)	1655	ev_timer_stop (EV_P_ ev_timer *w)
1492	{	1656	{
1493	ev_clear_pending (EV_A_ (W)w);	1657	clear_pending (EV_A_ (W)w);
1494	if (expect_false (!ev_is_active (w)))	1658	if (expect_false (!ev_is_active (w)))
1495	return;	1659	return;
1496		1660
1497	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1661	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w));
1498		1662
		1663	{
		1664	int active = ((W)w)->active;
		1665
1499	if (expect_true (((W)w)->active < timercnt--))	1666	if (expect_true (--active < --timercnt))
1500	{	1667	{
1501	timers [((W)w)->active - 1] = timers [timercnt];	1668	timers [active] = timers [timercnt];
1502	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1669	adjustheap (timers, timercnt, active);
1503	}	1670	}
		1671	}
1504		1672
1505	((WT)w)->at -= mn_now;	1673	((WT)w)->at -= mn_now;
1506		1674
1507	ev_stop (EV_A_ (W)w);	1675	ev_stop (EV_A_ (W)w);
1508	}	1676	}
1509		1677
1510	void	1678	void noinline
1511	ev_timer_again (EV_P_ ev_timer *w)	1679	ev_timer_again (EV_P_ ev_timer *w)
1512	{	1680	{
1513	if (ev_is_active (w))	1681	if (ev_is_active (w))
1514	{	1682	{
1515	if (w->repeat)	1683	if (w->repeat)
1516	{	1684	{
1517	((WT)w)->at = mn_now + w->repeat;	1685	((WT)w)->at = mn_now + w->repeat;
1518	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1686	adjustheap (timers, timercnt, ((W)w)->active - 1);
1519	}	1687	}
1520	else	1688	else
1521	ev_timer_stop (EV_A_ w);	1689	ev_timer_stop (EV_A_ w);
1522	}	1690	}
1523	else if (w->repeat)	1691	else if (w->repeat)
…		…
1526	ev_timer_start (EV_A_ w);	1694	ev_timer_start (EV_A_ w);
1527	}	1695	}
1528	}	1696	}
1529		1697
1530	#if EV_PERIODIC_ENABLE	1698	#if EV_PERIODIC_ENABLE
1531	void	1699	void noinline
1532	ev_periodic_start (EV_P_ ev_periodic *w)	1700	ev_periodic_start (EV_P_ ev_periodic *w)
1533	{	1701	{
1534	if (expect_false (ev_is_active (w)))	1702	if (expect_false (ev_is_active (w)))
1535	return;	1703	return;
1536		1704
…		…
1538	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1706	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1539	else if (w->interval)	1707	else if (w->interval)
1540	{	1708	{
1541	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.));
1542	/* 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 */
1543	((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;
1544	}	1712	}
		1713	else
		1714	((WT)w)->at = w->offset;
1545		1715
1546	ev_start (EV_A_ (W)w, ++periodiccnt);	1716	ev_start (EV_A_ (W)w, ++periodiccnt);
1547	array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);	1717	array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2);
1548	periodics [periodiccnt - 1] = w;	1718	periodics [periodiccnt - 1] = (WT)w;
1549	upheap ((WT *)periodics, periodiccnt - 1);	1719	upheap (periodics, periodiccnt - 1);
1550		1720
1551	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1721	/assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));/
1552	}	1722	}
1553		1723
1554	void	1724	void noinline
1555	ev_periodic_stop (EV_P_ ev_periodic *w)	1725	ev_periodic_stop (EV_P_ ev_periodic *w)
1556	{	1726	{
1557	ev_clear_pending (EV_A_ (W)w);	1727	clear_pending (EV_A_ (W)w);
1558	if (expect_false (!ev_is_active (w)))	1728	if (expect_false (!ev_is_active (w)))
1559	return;	1729	return;
1560		1730
1561	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1731	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w));
1562		1732
		1733	{
		1734	int active = ((W)w)->active;
		1735
1563	if (expect_true (((W)w)->active < periodiccnt--))	1736	if (expect_true (--active < --periodiccnt))
1564	{	1737	{
1565	periodics [((W)w)->active - 1] = periodics [periodiccnt];	1738	periodics [active] = periodics [periodiccnt];
1566	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);	1739	adjustheap (periodics, periodiccnt, active);
1567	}	1740	}
		1741	}
1568		1742
1569	ev_stop (EV_A_ (W)w);	1743	ev_stop (EV_A_ (W)w);
1570	}	1744	}
1571		1745
1572	void	1746	void noinline
1573	ev_periodic_again (EV_P_ ev_periodic *w)	1747	ev_periodic_again (EV_P_ ev_periodic *w)
1574	{	1748	{
1575	/* TODO: use adjustheap and recalculation */	1749	/* TODO: use adjustheap and recalculation */
1576	ev_periodic_stop (EV_A_ w);	1750	ev_periodic_stop (EV_A_ w);
1577	ev_periodic_start (EV_A_ w);	1751	ev_periodic_start (EV_A_ w);
…		…
1580		1754
1581	#ifndef SA_RESTART	1755	#ifndef SA_RESTART
1582	# define SA_RESTART 0	1756	# define SA_RESTART 0
1583	#endif	1757	#endif
1584		1758
1585	void	1759	void noinline
1586	ev_signal_start (EV_P_ ev_signal *w)	1760	ev_signal_start (EV_P_ ev_signal *w)
1587	{	1761	{
1588	#if EV_MULTIPLICITY	1762	#if EV_MULTIPLICITY
1589	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));
1590	#endif	1764	#endif
1591	if (expect_false (ev_is_active (w)))	1765	if (expect_false (ev_is_active (w)))
1592	return;	1766	return;
1593		1767
1594	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));
1595		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
1596	ev_start (EV_A_ (W)w, 1);	1784	ev_start (EV_A_ (W)w, 1);
1597	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1598	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1785	wlist_add (&signals [w->signum - 1].head, (WL)w);
1599		1786
1600	if (!((WL)w)->next)	1787	if (!((WL)w)->next)
1601	{	1788	{
1602	#if _WIN32	1789	#if _WIN32
1603	signal (w->signum, sighandler);	1790	signal (w->signum, sighandler);
…		…
1609	sigaction (w->signum, &sa, 0);	1796	sigaction (w->signum, &sa, 0);
1610	#endif	1797	#endif
1611	}	1798	}
1612	}	1799	}
1613		1800
1614	void	1801	void noinline
1615	ev_signal_stop (EV_P_ ev_signal *w)	1802	ev_signal_stop (EV_P_ ev_signal *w)
1616	{	1803	{
1617	ev_clear_pending (EV_A_ (W)w);	1804	clear_pending (EV_A_ (W)w);
1618	if (expect_false (!ev_is_active (w)))	1805	if (expect_false (!ev_is_active (w)))
1619	return;	1806	return;
1620		1807
1621	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1808	wlist_del (&signals [w->signum - 1].head, (WL)w);
1622	ev_stop (EV_A_ (W)w);	1809	ev_stop (EV_A_ (W)w);
1623		1810
1624	if (!signals [w->signum - 1].head)	1811	if (!signals [w->signum - 1].head)
1625	signal (w->signum, SIG_DFL);	1812	signal (w->signum, SIG_DFL);
1626	}	1813	}
…		…
1633	#endif	1820	#endif
1634	if (expect_false (ev_is_active (w)))	1821	if (expect_false (ev_is_active (w)))
1635	return;	1822	return;
1636		1823
1637	ev_start (EV_A_ (W)w, 1);	1824	ev_start (EV_A_ (W)w, 1);
1638	wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	1825	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1639	}	1826	}
1640		1827
1641	void	1828	void
1642	ev_child_stop (EV_P_ ev_child *w)	1829	ev_child_stop (EV_P_ ev_child *w)
1643	{	1830	{
1644	ev_clear_pending (EV_A_ (W)w);	1831	clear_pending (EV_A_ (W)w);
1645	if (expect_false (!ev_is_active (w)))	1832	if (expect_false (!ev_is_active (w)))
1646	return;	1833	return;
1647		1834
1648	wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	1835	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1649	ev_stop (EV_A_ (W)w);	1836	ev_stop (EV_A_ (W)w);
1650	}	1837	}
1651		1838
1652	#if EV_STAT_ENABLE	1839	#if EV_STAT_ENABLE
1653		1840
…		…
1657	# endif	1844	# endif
1658		1845
1659	#define DEF_STAT_INTERVAL 5.0074891	1846	#define DEF_STAT_INTERVAL 5.0074891
1660	#define MIN_STAT_INTERVAL 0.1074891	1847	#define MIN_STAT_INTERVAL 0.1074891
1661		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
		2000
1662	void	2001	void
1663	ev_stat_stat (EV_P_ ev_stat *w)	2002	ev_stat_stat (EV_P_ ev_stat *w)
1664	{	2003	{
1665	if (lstat (w->path, &w->attr) < 0)	2004	if (lstat (w->path, &w->attr) < 0)
1666	w->attr.st_nlink = 0;	2005	w->attr.st_nlink = 0;
1667	else if (!w->attr.st_nlink)	2006	else if (!w->attr.st_nlink)
1668	w->attr.st_nlink = 1;	2007	w->attr.st_nlink = 1;
1669	}	2008	}
1670		2009
1671	static void	2010	static void noinline
1672	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	2011	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
1673	{	2012	{
1674	ev_stat w = (ev_stat )(((char *)w_) - offsetof (ev_stat, timer));	2013	ev_stat w = (ev_stat )(((char *)w_) - offsetof (ev_stat, timer));
1675		2014
1676	/* we copy this here each the time so that */	2015	/* we copy this here each the time so that */
1677	/* prev has the old value when the callback gets invoked */	2016	/* prev has the old value when the callback gets invoked */
1678	w->prev = w->attr;	2017	w->prev = w->attr;
1679	ev_stat_stat (EV_A_ w);	2018	ev_stat_stat (EV_A_ w);
1680		2019
1681	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
1682	ev_feed_event (EV_A_ w, EV_STAT);	2040	ev_feed_event (EV_A_ w, EV_STAT);
		2041	}
1683	}	2042	}
1684		2043
1685	void	2044	void
1686	ev_stat_start (EV_P_ ev_stat *w)	2045	ev_stat_start (EV_P_ ev_stat *w)
1687	{	2046	{
…		…
1697	if (w->interval < MIN_STAT_INTERVAL)	2056	if (w->interval < MIN_STAT_INTERVAL)
1698	w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL;	2057	w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL;
1699		2058
1700	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);
1701	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
1702	ev_timer_start (EV_A_ &w->timer);	2069	ev_timer_start (EV_A_ &w->timer);
1703		2070
1704	ev_start (EV_A_ (W)w, 1);	2071	ev_start (EV_A_ (W)w, 1);
1705	}	2072	}
1706		2073
1707	void	2074	void
1708	ev_stat_stop (EV_P_ ev_stat *w)	2075	ev_stat_stop (EV_P_ ev_stat *w)
1709	{	2076	{
1710	ev_clear_pending (EV_A_ (W)w);	2077	clear_pending (EV_A_ (W)w);
1711	if (expect_false (!ev_is_active (w)))	2078	if (expect_false (!ev_is_active (w)))
1712	return;	2079	return;
1713		2080
		2081	#if EV_USE_INOTIFY
		2082	infy_del (EV_A_ w);
		2083	#endif
1714	ev_timer_stop (EV_A_ &w->timer);	2084	ev_timer_stop (EV_A_ &w->timer);
1715		2085
1716	ev_stop (EV_A_ (W)w);	2086	ev_stop (EV_A_ (W)w);
1717	}	2087	}
1718	#endif	2088	#endif
1719		2089
		2090	#if EV_IDLE_ENABLE
1720	void	2091	void
1721	ev_idle_start (EV_P_ ev_idle *w)	2092	ev_idle_start (EV_P_ ev_idle *w)
1722	{	2093	{
1723	if (expect_false (ev_is_active (w)))	2094	if (expect_false (ev_is_active (w)))
1724	return;	2095	return;
1725		2096
		2097	pri_adjust (EV_A_ (W)w);
		2098
		2099	{
		2100	int active = ++idlecnt [ABSPRI (w)];
		2101
		2102	++idleall;
1726	ev_start (EV_A_ (W)w, ++idlecnt);	2103	ev_start (EV_A_ (W)w, active);
		2104
1727	array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2);	2105	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);
1728	idles [idlecnt - 1] = w;	2106	idles [ABSPRI (w)][active - 1] = w;
		2107	}
1729	}	2108	}
1730		2109
1731	void	2110	void
1732	ev_idle_stop (EV_P_ ev_idle *w)	2111	ev_idle_stop (EV_P_ ev_idle *w)
1733	{	2112	{
1734	ev_clear_pending (EV_A_ (W)w);	2113	clear_pending (EV_A_ (W)w);
1735	if (expect_false (!ev_is_active (w)))	2114	if (expect_false (!ev_is_active (w)))
1736	return;	2115	return;
1737		2116
1738	{	2117	{
1739	int active = ((W)w)->active;	2118	int active = ((W)w)->active;
1740	idles [active - 1] = idles [--idlecnt];	2119
		2120	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
1741	((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;
1742	}	2125	}
1743
1744	ev_stop (EV_A_ (W)w);
1745	}	2126	}
		2127	#endif
1746		2128
1747	void	2129	void
1748	ev_prepare_start (EV_P_ ev_prepare *w)	2130	ev_prepare_start (EV_P_ ev_prepare *w)
1749	{	2131	{
1750	if (expect_false (ev_is_active (w)))	2132	if (expect_false (ev_is_active (w)))
…		…
1756	}	2138	}
1757		2139
1758	void	2140	void
1759	ev_prepare_stop (EV_P_ ev_prepare *w)	2141	ev_prepare_stop (EV_P_ ev_prepare *w)
1760	{	2142	{
1761	ev_clear_pending (EV_A_ (W)w);	2143	clear_pending (EV_A_ (W)w);
1762	if (expect_false (!ev_is_active (w)))	2144	if (expect_false (!ev_is_active (w)))
1763	return;	2145	return;
1764		2146
1765	{	2147	{
1766	int active = ((W)w)->active;	2148	int active = ((W)w)->active;
…		…
1783	}	2165	}
1784		2166
1785	void	2167	void
1786	ev_check_stop (EV_P_ ev_check *w)	2168	ev_check_stop (EV_P_ ev_check *w)
1787	{	2169	{
1788	ev_clear_pending (EV_A_ (W)w);	2170	clear_pending (EV_A_ (W)w);
1789	if (expect_false (!ev_is_active (w)))	2171	if (expect_false (!ev_is_active (w)))
1790	return;	2172	return;
1791		2173
1792	{	2174	{
1793	int active = ((W)w)->active;	2175	int active = ((W)w)->active;
…		…
1800		2182
1801	#if EV_EMBED_ENABLE	2183	#if EV_EMBED_ENABLE
1802	void noinline	2184	void noinline
1803	ev_embed_sweep (EV_P_ ev_embed *w)	2185	ev_embed_sweep (EV_P_ ev_embed *w)
1804	{	2186	{
1805	ev_loop (w->loop, EVLOOP_NONBLOCK);	2187	ev_loop (w->other, EVLOOP_NONBLOCK);
1806	}	2188	}
1807		2189
1808	static void	2190	static void
1809	embed_cb (EV_P_ ev_io *io, int revents)	2191	embed_cb (EV_P_ ev_io *io, int revents)
1810	{	2192	{
…		…
1821	{	2203	{
1822	if (expect_false (ev_is_active (w)))	2204	if (expect_false (ev_is_active (w)))
1823	return;	2205	return;
1824		2206
1825	{	2207	{
1826	struct ev_loop *loop = w->loop;	2208	struct ev_loop *loop = w->other;
1827	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	2209	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
1828	ev_io_init (&w->io, embed_cb, backend_fd, EV_READ);	2210	ev_io_init (&w->io, embed_cb, backend_fd, EV_READ);
1829	}	2211	}
1830		2212
1831	ev_set_priority (&w->io, ev_priority (w));	2213	ev_set_priority (&w->io, ev_priority (w));
…		…
1835	}	2217	}
1836		2218
1837	void	2219	void
1838	ev_embed_stop (EV_P_ ev_embed *w)	2220	ev_embed_stop (EV_P_ ev_embed *w)
1839	{	2221	{
1840	ev_clear_pending (EV_A_ (W)w);	2222	clear_pending (EV_A_ (W)w);
1841	if (expect_false (!ev_is_active (w)))	2223	if (expect_false (!ev_is_active (w)))
1842	return;	2224	return;
1843		2225
1844	ev_io_stop (EV_A_ &w->io);	2226	ev_io_stop (EV_A_ &w->io);
1845		2227
…		…
1860	}	2242	}
1861		2243
1862	void	2244	void
1863	ev_fork_stop (EV_P_ ev_fork *w)	2245	ev_fork_stop (EV_P_ ev_fork *w)
1864	{	2246	{
1865	ev_clear_pending (EV_A_ (W)w);	2247	clear_pending (EV_A_ (W)w);
1866	if (expect_false (!ev_is_active (w)))	2248	if (expect_false (!ev_is_active (w)))
1867	return;	2249	return;
1868		2250
1869	{	2251	{
1870	int active = ((W)w)->active;	2252	int active = ((W)w)->active;
…		…
1938	ev_timer_set (&once->to, timeout, 0.);	2320	ev_timer_set (&once->to, timeout, 0.);
1939	ev_timer_start (EV_A_ &once->to);	2321	ev_timer_start (EV_A_ &once->to);
1940	}	2322	}
1941	}	2323	}
1942		2324
		2325	#if EV_MULTIPLICITY
		2326	#include "ev_wrap.h"
		2327	#endif
		2328
1943	#ifdef __cplusplus	2329	#ifdef __cplusplus
1944	}	2330	}
1945	#endif	2331	#endif
1946		2332

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Comparing libev/ev.c (file contents): Revision 1.149 by root, Tue Nov 27 19:23:31 2007 UTC vs. Revision 1.188 by root, Thu Dec 20 07:12:57 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.149 by root, Tue Nov 27 19:23:31 2007 UTC vs.
Revision 1.188 by root, Thu Dec 20 07:12:57 2007 UTC