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

Comparing libev/ev.c (file contents):
Revision 1.34 by root, Thu Nov 1 11:43:11 2007 UTC vs.
Revision 1.46 by root, Sat Nov 3 09:20:12 2007 UTC

…		…
1	/*	1	/*
		2	* libev event processing core, watcher management
		3	*
2	* Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de>
3	* All rights reserved.	5	* All rights reserved.
4	*	6	*
5	* Redistribution and use in source and binary forms, with or without	7	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions are	8	* modification, are permitted provided that the following conditions are
40	#include <stdio.h>	42	#include <stdio.h>
41		43
42	#include <assert.h>	44	#include <assert.h>
43	#include <errno.h>	45	#include <errno.h>
44	#include <sys/types.h>	46	#include <sys/types.h>
		47	#ifndef WIN32
45	#include <sys/wait.h>	48	# include <sys/wait.h>
		49	#endif
46	#include <sys/time.h>	50	#include <sys/time.h>
47	#include <time.h>	51	#include <time.h>
48		52
		53	/**/
		54
49	#ifndef EV_USE_MONOTONIC	55	#ifndef EV_USE_MONOTONIC
50	# ifdef CLOCK_MONOTONIC
51	# define EV_USE_MONOTONIC 1	56	# define EV_USE_MONOTONIC 1
52	# endif
53	#endif	57	#endif
54		58
55	#ifndef EV_USE_SELECT	59	#ifndef EV_USE_SELECT
56	# define EV_USE_SELECT 1	60	# define EV_USE_SELECT 1
57	#endif	61	#endif
58		62
		63	#ifndef EV_USE_POLL
		64	# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */
		65	#endif
		66
59	#ifndef EV_USE_EPOLL	67	#ifndef EV_USE_EPOLL
60	# define EV_USE_EPOLL 0	68	# define EV_USE_EPOLL 0
61	#endif	69	#endif
62		70
		71	#ifndef EV_USE_KQUEUE
		72	# define EV_USE_KQUEUE 0
		73	#endif
		74
		75	#ifndef EV_USE_REALTIME
		76	# define EV_USE_REALTIME 1
		77	#endif
		78
		79	/**/
		80
		81	#ifndef CLOCK_MONOTONIC
		82	# undef EV_USE_MONOTONIC
		83	# define EV_USE_MONOTONIC 0
		84	#endif
		85
63	#ifndef CLOCK_REALTIME	86	#ifndef CLOCK_REALTIME
		87	# undef EV_USE_REALTIME
64	# define EV_USE_REALTIME 0	88	# define EV_USE_REALTIME 0
65	#endif	89	#endif
66	#ifndef EV_USE_REALTIME	90
67	# define EV_USE_REALTIME 1 /* posix requirement, but might be slower */	91	/**/
68	#endif
69		92
70	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	93	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
71	#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detetc time jumps) */	94	#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */
72	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */	95	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */
73	#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */	96	/#define CLEANUP_INTERVAL 300. / how often to try to free memory and re-check fds */
74		97
75	#include "ev.h"	98	#include "ev.h"
		99
		100	#if __GNUC__ >= 3
		101	# define expect(expr,value) __builtin_expect ((expr),(value))
		102	# define inline inline
		103	#else
		104	# define expect(expr,value) (expr)
		105	# define inline static
		106	#endif
		107
		108	#define expect_false(expr) expect ((expr) != 0, 0)
		109	#define expect_true(expr) expect ((expr) != 0, 1)
		110
		111	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
		112	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
76		113
77	typedef struct ev_watcher *W;	114	typedef struct ev_watcher *W;
78	typedef struct ev_watcher_list *WL;	115	typedef struct ev_watcher_list *WL;
79	typedef struct ev_watcher_time *WT;	116	typedef struct ev_watcher_time *WT;
80		117
81	static ev_tstamp now, diff; /* monotonic clock */	118	static ev_tstamp now_floor, now, diff; /* monotonic clock */
82	ev_tstamp ev_now;	119	ev_tstamp ev_now;
83	int ev_method;	120	int ev_method;
84		121
85	static int have_monotonic; /* runtime */	122	static int have_monotonic; /* runtime */
86		123
…		…
106		143
107	static ev_tstamp	144	static ev_tstamp
108	get_clock (void)	145	get_clock (void)
109	{	146	{
110	#if EV_USE_MONOTONIC	147	#if EV_USE_MONOTONIC
111	if (have_monotonic)	148	if (expect_true (have_monotonic))
112	{	149	{
113	struct timespec ts;	150	struct timespec ts;
114	clock_gettime (CLOCK_MONOTONIC, &ts);	151	clock_gettime (CLOCK_MONOTONIC, &ts);
115	return ts.tv_sec + ts.tv_nsec * 1e-9;	152	return ts.tv_sec + ts.tv_nsec * 1e-9;
116	}	153	}
…		…
120	}	157	}
121		158
122	#define array_roundsize(base,n) ((n) \| 4 & ~3)	159	#define array_roundsize(base,n) ((n) \| 4 & ~3)
123		160
124	#define array_needsize(base,cur,cnt,init) \	161	#define array_needsize(base,cur,cnt,init) \
125	if ((cnt) > cur) \	162	if (expect_false ((cnt) > cur)) \
126	{ \	163	{ \
127	int newcnt = cur; \	164	int newcnt = cur; \
128	do \	165	do \
129	{ \	166	{ \
130	newcnt = array_roundsize (base, newcnt << 1); \	167	newcnt = array_roundsize (base, newcnt << 1); \
…		…
165	{	202	{
166	W w;	203	W w;
167	int events;	204	int events;
168	} ANPENDING;	205	} ANPENDING;
169		206
170	static ANPENDING *pendings;	207	static ANPENDING *pendings [NUMPRI];
171	static int pendingmax, pendingcnt;	208	static int pendingmax [NUMPRI], pendingcnt [NUMPRI];
172		209
173	static void	210	static void
174	event (W w, int events)	211	event (W w, int events)
175	{	212	{
176	if (w->pending)	213	if (w->pending)
177	{	214	{
178	pendings [w->pending - 1].events \|= events;	215	pendings [ABSPRI (w)][w->pending - 1].events \|= events;
179	return;	216	return;
180	}	217	}
181		218
182	w->pending = ++pendingcnt;	219	w->pending = ++pendingcnt [ABSPRI (w)];
183	array_needsize (pendings, pendingmax, pendingcnt, );	220	array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], );
184	pendings [pendingcnt - 1].w = w;	221	pendings [ABSPRI (w)][w->pending - 1].w = w;
185	pendings [pendingcnt - 1].events = events;	222	pendings [ABSPRI (w)][w->pending - 1].events = events;
186	}	223	}
187		224
188	static void	225	static void
189	queue_events (W *events, int eventcnt, int type)	226	queue_events (W *events, int eventcnt, int type)
190	{	227	{
…		…
253	++fdchangecnt;	290	++fdchangecnt;
254	array_needsize (fdchanges, fdchangemax, fdchangecnt, );	291	array_needsize (fdchanges, fdchangemax, fdchangecnt, );
255	fdchanges [fdchangecnt - 1] = fd;	292	fdchanges [fdchangecnt - 1] = fd;
256	}	293	}
257		294
		295	static void
		296	fd_kill (int fd)
		297	{
		298	struct ev_io *w;
		299
		300	printf ("killing fd %d\n", fd);//D
		301	while ((w = anfds [fd].head))
		302	{
		303	ev_io_stop (w);
		304	event ((W)w, EV_ERROR \| EV_READ \| EV_WRITE);
		305	}
		306	}
		307
258	/* called on EBADF to verify fds */	308	/* called on EBADF to verify fds */
259	static void	309	static void
260	fd_recheck (void)	310	fd_ebadf (void)
261	{	311	{
262	int fd;	312	int fd;
263		313
264	for (fd = 0; fd < anfdmax; ++fd)	314	for (fd = 0; fd < anfdmax; ++fd)
265	if (anfds [fd].events)	315	if (anfds [fd].events)
266	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)	316	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)
267	while (anfds [fd].head)	317	fd_kill (fd);
		318	}
		319
		320	/* called on ENOMEM in select/poll to kill some fds and retry */
		321	static void
		322	fd_enomem (void)
		323	{
		324	int fd = anfdmax;
		325
		326	while (fd--)
		327	if (anfds [fd].events)
268	{	328	{
269	ev_io_stop (anfds [fd].head);	329	close (fd);
270	event ((W)anfds [fd].head, EV_ERROR \| EV_READ \| EV_WRITE);	330	fd_kill (fd);
		331	return;
271	}	332	}
272	}	333	}
273		334
274	/*****************************************************************************/	335	/*****************************************************************************/
275		336
276	static struct ev_timer **timers;	337	static struct ev_timer **timers;
…		…
361		422
362	static void	423	static void
363	sigcb (struct ev_io *iow, int revents)	424	sigcb (struct ev_io *iow, int revents)
364	{	425	{
365	struct ev_signal *w;	426	struct ev_signal *w;
366	int sig;	427	int signum;
367		428
368	read (sigpipe [0], &revents, 1);	429	read (sigpipe [0], &revents, 1);
369	gotsig = 0;	430	gotsig = 0;
370		431
371	for (sig = signalmax; sig--; )	432	for (signum = signalmax; signum--; )
372	if (signals [sig].gotsig)	433	if (signals [signum].gotsig)
373	{	434	{
374	signals [sig].gotsig = 0;	435	signals [signum].gotsig = 0;
375		436
376	for (w = signals [sig].head; w; w = w->next)	437	for (w = signals [signum].head; w; w = w->next)
377	event ((W)w, EV_SIGNAL);	438	event ((W)w, EV_SIGNAL);
378	}	439	}
379	}	440	}
380		441
381	static void	442	static void
382	siginit (void)	443	siginit (void)
383	{	444	{
		445	#ifndef WIN32
384	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	446	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);
385	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);	447	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
386		448
387	/* rather than sort out wether we really need nb, set it */	449	/* rather than sort out wether we really need nb, set it */
388	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);	450	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
389	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);	451	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
		452	#endif
390		453
391	ev_io_set (&sigev, sigpipe [0], EV_READ);	454	ev_io_set (&sigev, sigpipe [0], EV_READ);
392	ev_io_start (&sigev);	455	ev_io_start (&sigev);
393	}	456	}
394		457
…		…
406	/*****************************************************************************/	469	/*****************************************************************************/
407		470
408	static struct ev_child *childs [PID_HASHSIZE];	471	static struct ev_child *childs [PID_HASHSIZE];
409	static struct ev_signal childev;	472	static struct ev_signal childev;
410		473
		474	#ifndef WIN32
		475
411	#ifndef WCONTINUED	476	#ifndef WCONTINUED
412	# define WCONTINUED 0	477	# define WCONTINUED 0
413	#endif	478	#endif
414		479
415	static void	480	static void
…		…
418	struct ev_child *w;	483	struct ev_child *w;
419	int pid, status;	484	int pid, status;
420		485
421	while ((pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)) != -1)	486	while ((pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)) != -1)
422	for (w = childs [pid & (PID_HASHSIZE - 1)]; w; w = w->next)	487	for (w = childs [pid & (PID_HASHSIZE - 1)]; w; w = w->next)
423	if (w->pid == pid \|\| w->pid == -1)	488	if (w->pid == pid \|\| !w->pid)
424	{	489	{
		490	w->rpid = pid;
425	w->status = status;	491	w->rstatus = status;
426	event ((W)w, EV_CHILD);	492	event ((W)w, EV_CHILD);
427	}	493	}
428	}	494	}
429		495
430	/*****************************************************************************/	496	#endif
431		497
		498	/*****************************************************************************/
		499
		500	#if EV_USE_KQUEUE
		501	# include "ev_kqueue.c"
		502	#endif
432	#if EV_USE_EPOLL	503	#if EV_USE_EPOLL
433	# include "ev_epoll.c"	504	# include "ev_epoll.c"
434	#endif	505	#endif
		506	#if EV_USE_POLL
		507	# include "ev_poll.c"
		508	#endif
435	#if EV_USE_SELECT	509	#if EV_USE_SELECT
436	# include "ev_select.c"	510	# include "ev_select.c"
437	#endif	511	#endif
438		512
439	int	513	int
…		…
446	ev_version_minor (void)	520	ev_version_minor (void)
447	{	521	{
448	return EV_VERSION_MINOR;	522	return EV_VERSION_MINOR;
449	}	523	}
450		524
		525	/* return true if we are running with elevated privileges and ignore env variables */
		526	static int
		527	enable_secure ()
		528	{
		529	return getuid () != geteuid ()
		530	\|\| getgid () != getegid ();
		531	}
		532
451	int ev_init (int flags)	533	int ev_init (int methods)
452	{	534	{
453	if (!ev_method)	535	if (!ev_method)
454	{	536	{
455	#if EV_USE_MONOTONIC	537	#if EV_USE_MONOTONIC
456	{	538	{
…		…
458	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	540	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
459	have_monotonic = 1;	541	have_monotonic = 1;
460	}	542	}
461	#endif	543	#endif
462		544
463	ev_now = ev_time ();	545	ev_now = ev_time ();
464	now = get_clock ();	546	now = get_clock ();
		547	now_floor = now;
465	diff = ev_now - now;	548	diff = ev_now - now;
466		549
467	if (pipe (sigpipe))	550	if (pipe (sigpipe))
468	return 0;	551	return 0;
469		552
		553	if (methods == EVMETHOD_AUTO)
		554	if (!enable_secure () && getenv ("LIBEV_METHODS"))
		555	methods = atoi (getenv ("LIBEV_METHODS"));
		556	else
470	ev_method = EVMETHOD_NONE;	557	methods = EVMETHOD_ANY;
		558
		559	ev_method = 0;
		560	#if EV_USE_KQUEUE
		561	if (!ev_method && (methods & EVMETHOD_KQUEUE)) kqueue_init (methods);
		562	#endif
471	#if EV_USE_EPOLL	563	#if EV_USE_EPOLL
472	if (ev_method == EVMETHOD_NONE) epoll_init (flags);	564	if (!ev_method && (methods & EVMETHOD_EPOLL )) epoll_init (methods);
		565	#endif
		566	#if EV_USE_POLL
		567	if (!ev_method && (methods & EVMETHOD_POLL )) poll_init (methods);
473	#endif	568	#endif
474	#if EV_USE_SELECT	569	#if EV_USE_SELECT
475	if (ev_method == EVMETHOD_NONE) select_init (flags);	570	if (!ev_method && (methods & EVMETHOD_SELECT)) select_init (methods);
476	#endif	571	#endif
477		572
478	if (ev_method)	573	if (ev_method)
479	{	574	{
480	ev_watcher_init (&sigev, sigcb);	575	ev_watcher_init (&sigev, sigcb);
481	siginit ();	576	siginit ();
482		577
		578	#ifndef WIN32
483	ev_signal_init (&childev, childcb, SIGCHLD);	579	ev_signal_init (&childev, childcb, SIGCHLD);
484	ev_signal_start (&childev);	580	ev_signal_start (&childev);
		581	#endif
485	}	582	}
486	}	583	}
487		584
488	return ev_method;	585	return ev_method;
489	}	586	}
490		587
491	/*****************************************************************************/	588	/*****************************************************************************/
492		589
493	void	590	void
494	ev_prefork (void)	591	ev_fork_prepare (void)
495	{	592	{
496	/* nop */	593	/* nop */
497	}	594	}
498		595
499	void	596	void
500	ev_postfork_parent (void)	597	ev_fork_parent (void)
501	{	598	{
502	/* nop */	599	/* nop */
503	}	600	}
504		601
505	void	602	void
506	ev_postfork_child (void)	603	ev_fork_child (void)
507	{	604	{
508	#if EV_USE_EPOLL	605	#if EV_USE_EPOLL
509	if (ev_method == EVMETHOD_EPOLL)	606	if (ev_method == EVMETHOD_EPOLL)
510	epoll_postfork_child ();	607	epoll_postfork_child ();
511	#endif	608	#endif
…		…
520	/*****************************************************************************/	617	/*****************************************************************************/
521		618
522	static void	619	static void
523	call_pending (void)	620	call_pending (void)
524	{	621	{
		622	int pri;
		623
		624	for (pri = NUMPRI; pri--; )
525	while (pendingcnt)	625	while (pendingcnt [pri])
526	{	626	{
527	ANPENDING *p = pendings + --pendingcnt;	627	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
528		628
529	if (p->w)	629	if (p->w)
530	{	630	{
531	p->w->pending = 0;	631	p->w->pending = 0;
532	p->w->cb (p->w, p->events);	632	p->w->cb (p->w, p->events);
533	}	633	}
534	}	634	}
535	}	635	}
536		636
537	static void	637	static void
538	timers_reify (void)	638	timers_reify (void)
539	{	639	{
…		…
599	}	699	}
600	}	700	}
601	}	701	}
602	}	702	}
603		703
		704	static int
		705	time_update_monotonic (void)
		706	{
		707	now = get_clock ();
		708
		709	if (expect_true (now - now_floor < MIN_TIMEJUMP * .5))
		710	{
		711	ev_now = now + diff;
		712	return 0;
		713	}
		714	else
		715	{
		716	now_floor = now;
		717	ev_now = ev_time ();
		718	return 1;
		719	}
		720	}
		721
604	static void	722	static void
605	time_update (void)	723	time_update (void)
606	{	724	{
607	int i;	725	int i;
608		726
609	ev_now = ev_time ();	727	#if EV_USE_MONOTONIC
610
611	if (have_monotonic)	728	if (expect_true (have_monotonic))
612	{	729	{
		730	if (time_update_monotonic ())
		731	{
613	ev_tstamp odiff = diff;	732	ev_tstamp odiff = diff;
614		733
615	for (i = 4; --i; ) /* loop a few times, before making important decisions */	734	for (i = 4; --i; ) /* loop a few times, before making important decisions */
616	{	735	{
617	now = get_clock ();
618	diff = ev_now - now;	736	diff = ev_now - now;
619		737
620	if (fabs (odiff - diff) < MIN_TIMEJUMP)	738	if (fabs (odiff - diff) < MIN_TIMEJUMP)
621	return; /* all is well */	739	return; /* all is well */
622		740
623	ev_now = ev_time ();	741	ev_now = ev_time ();
		742	now = get_clock ();
		743	now_floor = now;
624	}	744	}
625		745
626	periodics_reschedule (diff - odiff);	746	periodics_reschedule (diff - odiff);
627	/* no timer adjustment, as the monotonic clock doesn't jump */	747	/* no timer adjustment, as the monotonic clock doesn't jump */
		748	}
628	}	749	}
629	else	750	else
		751	#endif
630	{	752	{
		753	ev_now = ev_time ();
		754
631	if (now > ev_now \|\| now < ev_now - MAX_BLOCKTIME - MIN_TIMEJUMP)	755	if (expect_false (now > ev_now \|\| now < ev_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
632	{	756	{
633	periodics_reschedule (ev_now - now);	757	periodics_reschedule (ev_now - now);
634		758
635	/* adjust timers. this is easy, as the offset is the same for all */	759	/* adjust timers. this is easy, as the offset is the same for all */
636	for (i = 0; i < timercnt; ++i)	760	for (i = 0; i < timercnt; ++i)
…		…
649	ev_loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	773	ev_loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
650		774
651	do	775	do
652	{	776	{
653	/* queue check watchers (and execute them) */	777	/* queue check watchers (and execute them) */
654	if (preparecnt)	778	if (expect_false (preparecnt))
655	{	779	{
656	queue_events ((W *)prepares, preparecnt, EV_PREPARE);	780	queue_events ((W *)prepares, preparecnt, EV_PREPARE);
657	call_pending ();	781	call_pending ();
658	}	782	}
659		783
…		…
662		786
663	/* calculate blocking time */	787	/* calculate blocking time */
664		788
665	/* we only need this for !monotonic clockor timers, but as we basically	789	/* we only need this for !monotonic clockor timers, but as we basically
666	always have timers, we just calculate it always */	790	always have timers, we just calculate it always */
		791	#if EV_USE_MONOTONIC
		792	if (expect_true (have_monotonic))
		793	time_update_monotonic ();
		794	else
		795	#endif
		796	{
667	ev_now = ev_time ();	797	ev_now = ev_time ();
		798	now = ev_now;
		799	}
668		800
669	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	801	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
670	block = 0.;	802	block = 0.;
671	else	803	else
672	{	804	{
673	block = MAX_BLOCKTIME;	805	block = MAX_BLOCKTIME;
674		806
675	if (timercnt)	807	if (timercnt)
676	{	808	{
677	ev_tstamp to = timers [0]->at - (have_monotonic ? get_clock () : ev_now) + method_fudge;	809	ev_tstamp to = timers [0]->at - now + method_fudge;
678	if (block > to) block = to;	810	if (block > to) block = to;
679	}	811	}
680		812
681	if (periodiccnt)	813	if (periodiccnt)
682	{	814	{
…		…
739	static void	871	static void
740	ev_clear_pending (W w)	872	ev_clear_pending (W w)
741	{	873	{
742	if (w->pending)	874	if (w->pending)
743	{	875	{
744	pendings [w->pending - 1].w = 0;	876	pendings [ABSPRI (w)][w->pending - 1].w = 0;
745	w->pending = 0;	877	w->pending = 0;
746	}	878	}
747	}	879	}
748		880
749	static void	881	static void
750	ev_start (W w, int active)	882	ev_start (W w, int active)
751	{	883	{
		884	if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;
		885	if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
		886
752	w->active = active;	887	w->active = active;
753	}	888	}
754		889
755	static void	890	static void
756	ev_stop (W w)	891	ev_stop (W w)
…		…
761	/*****************************************************************************/	896	/*****************************************************************************/
762		897
763	void	898	void
764	ev_io_start (struct ev_io *w)	899	ev_io_start (struct ev_io *w)
765	{	900	{
		901	int fd = w->fd;
		902
766	if (ev_is_active (w))	903	if (ev_is_active (w))
767	return;	904	return;
768
769	int fd = w->fd;
770		905
771	assert (("ev_io_start called with negative fd", fd >= 0));	906	assert (("ev_io_start called with negative fd", fd >= 0));
772		907
773	ev_start ((W)w, 1);	908	ev_start ((W)w, 1);
774	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	909	array_needsize (anfds, anfdmax, fd + 1, anfds_init);

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Comparing libev/ev.c (file contents): Revision 1.34 by root, Thu Nov 1 11:43:11 2007 UTC vs. Revision 1.46 by root, Sat Nov 3 09:20:12 2007 UTC

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Comparing libev/ev.c (file contents):
Revision 1.34 by root, Thu Nov 1 11:43:11 2007 UTC vs.
Revision 1.46 by root, Sat Nov 3 09:20:12 2007 UTC