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

Comparing libev/ev.c (file contents):
Revision 1.101 by root, Sun Nov 11 04:04:23 2007 UTC vs.
Revision 1.139 by root, Sun Nov 25 09:24:37 2007 UTC

…		…
32	#ifdef __cplusplus	32	#ifdef __cplusplus
33	extern "C" {	33	extern "C" {
34	#endif	34	#endif
35		35
36	#ifndef EV_STANDALONE	36	#ifndef EV_STANDALONE
		37	# ifdef EV_CONFIG_H
		38	# include EV_CONFIG_H
		39	# else
37	# include "config.h"	40	# include "config.h"
		41	# endif
38		42
39	# if HAVE_CLOCK_GETTIME	43	# if HAVE_CLOCK_GETTIME
40	# ifndef EV_USE_MONOTONIC	44	# ifndef EV_USE_MONOTONIC
41	# define EV_USE_MONOTONIC 1	45	# define EV_USE_MONOTONIC 1
42	# endif	46	# endif
43	# ifndef EV_USE_REALTIME	47	# ifndef EV_USE_REALTIME
44	# define EV_USE_REALTIME 1	48	# define EV_USE_REALTIME 1
45	# endif	49	# endif
		50	# else
		51	# ifndef EV_USE_MONOTONIC
		52	# define EV_USE_MONOTONIC 0
		53	# endif
		54	# ifndef EV_USE_REALTIME
		55	# define EV_USE_REALTIME 0
		56	# endif
46	# endif	57	# endif
47		58
48	# if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT)	59	# ifndef EV_USE_SELECT
		60	# if HAVE_SELECT && HAVE_SYS_SELECT_H
49	# define EV_USE_SELECT 1	61	# define EV_USE_SELECT 1
		62	# else
		63	# define EV_USE_SELECT 0
		64	# endif
50	# endif	65	# endif
51		66
52	# if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL)	67	# ifndef EV_USE_POLL
		68	# if HAVE_POLL && HAVE_POLL_H
53	# define EV_USE_POLL 1	69	# define EV_USE_POLL 1
		70	# else
		71	# define EV_USE_POLL 0
		72	# endif
54	# endif	73	# endif
55		74
56	# if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL)	75	# ifndef EV_USE_EPOLL
		76	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
57	# define EV_USE_EPOLL 1	77	# define EV_USE_EPOLL 1
		78	# else
		79	# define EV_USE_EPOLL 0
		80	# endif
58	# endif	81	# endif
59		82
		83	# ifndef EV_USE_KQUEUE
60	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE)	84	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H
61	# define EV_USE_KQUEUE 1	85	# define EV_USE_KQUEUE 1
		86	# else
		87	# define EV_USE_KQUEUE 0
		88	# endif
		89	# endif
		90
		91	# ifndef EV_USE_PORT
		92	# if HAVE_PORT_H && HAVE_PORT_CREATE
		93	# define EV_USE_PORT 1
		94	# else
		95	# define EV_USE_PORT 0
		96	# endif
62	# endif	97	# endif
63		98
64	#endif	99	#endif
65		100
66	#include <math.h>	101	#include <math.h>
…		…
75	#include <sys/types.h>	110	#include <sys/types.h>
76	#include <time.h>	111	#include <time.h>
77		112
78	#include <signal.h>	113	#include <signal.h>
79		114
80	#ifndef WIN32	115	#ifndef _WIN32
81	# include <unistd.h>	116	# include <unistd.h>
82	# include <sys/time.h>	117	# include <sys/time.h>
83	# include <sys/wait.h>	118	# include <sys/wait.h>
		119	#else
		120	# define WIN32_LEAN_AND_MEAN
		121	# include <windows.h>
		122	# ifndef EV_SELECT_IS_WINSOCKET
		123	# define EV_SELECT_IS_WINSOCKET 1
84	#endif	124	# endif
		125	#endif
		126
85	/**/	127	/**/
86		128
87	#ifndef EV_USE_MONOTONIC	129	#ifndef EV_USE_MONOTONIC
88	# define EV_USE_MONOTONIC 1	130	# define EV_USE_MONOTONIC 0
		131	#endif
		132
		133	#ifndef EV_USE_REALTIME
		134	# define EV_USE_REALTIME 0
89	#endif	135	#endif
90		136
91	#ifndef EV_USE_SELECT	137	#ifndef EV_USE_SELECT
92	# define EV_USE_SELECT 1	138	# define EV_USE_SELECT 1
93	#endif	139	#endif
94		140
95	#ifndef EV_USE_POLL	141	#ifndef EV_USE_POLL
96	# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */	142	# ifdef _WIN32
		143	# define EV_USE_POLL 0
		144	# else
		145	# define EV_USE_POLL 1
		146	# endif
97	#endif	147	#endif
98		148
99	#ifndef EV_USE_EPOLL	149	#ifndef EV_USE_EPOLL
100	# define EV_USE_EPOLL 0	150	# define EV_USE_EPOLL 0
101	#endif	151	#endif
102		152
103	#ifndef EV_USE_KQUEUE	153	#ifndef EV_USE_KQUEUE
104	# define EV_USE_KQUEUE 0	154	# define EV_USE_KQUEUE 0
105	#endif	155	#endif
106		156
107	#ifndef EV_USE_WIN32
108	# ifdef WIN32
109	# define EV_USE_WIN32 0 /* it does not exist, use select */
110	# undef EV_USE_SELECT
111	# define EV_USE_SELECT 1
112	# else
113	# define EV_USE_WIN32 0
114	# endif
115	#endif
116
117	#ifndef EV_USE_REALTIME	157	#ifndef EV_USE_PORT
118	# define EV_USE_REALTIME 1	158	# define EV_USE_PORT 0
119	#endif	159	#endif
120		160
121	/**/	161	/**/
122		162
123	#ifndef CLOCK_MONOTONIC	163	#ifndef CLOCK_MONOTONIC
…		…
128	#ifndef CLOCK_REALTIME	168	#ifndef CLOCK_REALTIME
129	# undef EV_USE_REALTIME	169	# undef EV_USE_REALTIME
130	# define EV_USE_REALTIME 0	170	# define EV_USE_REALTIME 0
131	#endif	171	#endif
132		172
		173	#if EV_SELECT_IS_WINSOCKET
		174	# include <winsock.h>
		175	#endif
		176
133	/**/	177	/**/
134		178
135	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	179	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
136	#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */	180	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
137	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */	181	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */
138	/#define CLEANUP_INTERVAL 300. / how often to try to free memory and re-check fds */	182	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds */
139		183
140	#ifdef EV_H	184	#ifdef EV_H
141	# include EV_H	185	# include EV_H
142	#else	186	#else
143	# include "ev.h"	187	# include "ev.h"
144	#endif	188	#endif
145		189
146	#if __GNUC__ >= 3	190	#if __GNUC__ >= 3
147	# define expect(expr,value) __builtin_expect ((expr),(value))	191	# define expect(expr,value) __builtin_expect ((expr),(value))
148	# define inline inline	192	# define inline static inline
149	#else	193	#else
150	# define expect(expr,value) (expr)	194	# define expect(expr,value) (expr)
151	# define inline static	195	# define inline static
152	#endif	196	#endif
153		197
…		…
155	#define expect_true(expr) expect ((expr) != 0, 1)	199	#define expect_true(expr) expect ((expr) != 0, 1)
156		200
157	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	201	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
158	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	202	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
159		203
		204	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
		205	#define EMPTY2(a,b) /* used to suppress some warnings */
		206
160	typedef struct ev_watcher *W;	207	typedef ev_watcher *W;
161	typedef struct ev_watcher_list *WL;	208	typedef ev_watcher_list *WL;
162	typedef struct ev_watcher_time *WT;	209	typedef ev_watcher_time *WT;
163		210
164	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	211	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
165		212
166	#ifdef WIN32	213	#ifdef _WIN32
167	# include "ev_win32.c"	214	# include "ev_win32.c"
168	#endif	215	#endif
169		216
170	/*****************************************************************************/	217	/*****************************************************************************/
171		218
…		…
220	typedef struct	267	typedef struct
221	{	268	{
222	WL head;	269	WL head;
223	unsigned char events;	270	unsigned char events;
224	unsigned char reify;	271	unsigned char reify;
		272	#if EV_SELECT_IS_WINSOCKET
		273	SOCKET handle;
		274	#endif
225	} ANFD;	275	} ANFD;
226		276
227	typedef struct	277	typedef struct
228	{	278	{
229	W w;	279	W w;
…		…
240	#include "ev_vars.h"	290	#include "ev_vars.h"
241	#undef VAR	291	#undef VAR
242	};	292	};
243	#include "ev_wrap.h"	293	#include "ev_wrap.h"
244		294
245	struct ev_loop default_loop_struct;	295	static struct ev_loop default_loop_struct;
246	static struct ev_loop *default_loop;	296	struct ev_loop *ev_default_loop_ptr;
247		297
248	#else	298	#else
249		299
250	ev_tstamp ev_rt_now;	300	ev_tstamp ev_rt_now;
251	#define VAR(name,decl) static decl;	301	#define VAR(name,decl) static decl;
252	#include "ev_vars.h"	302	#include "ev_vars.h"
253	#undef VAR	303	#undef VAR
254		304
255	static int default_loop;	305	static int ev_default_loop_ptr;
256		306
257	#endif	307	#endif
258		308
259	/*****************************************************************************/	309	/*****************************************************************************/
260		310
…		…
293	{	343	{
294	return ev_rt_now;	344	return ev_rt_now;
295	}	345	}
296	#endif	346	#endif
297		347
298	#define array_roundsize(type,n) ((n) \| 4 & ~3)	348	#define array_roundsize(type,n) (((n) \| 4) & ~3)
299		349
300	#define array_needsize(type,base,cur,cnt,init) \	350	#define array_needsize(type,base,cur,cnt,init) \
301	if (expect_false ((cnt) > cur)) \	351	if (expect_false ((cnt) > cur)) \
302	{ \	352	{ \
303	int newcnt = cur; \	353	int newcnt = cur; \
…		…
318	stem ## max = array_roundsize (stem ## cnt >> 1); \	368	stem ## max = array_roundsize (stem ## cnt >> 1); \
319	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\	369	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
320	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\	370	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
321	}	371	}
322		372
323	/* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */
324	/* bringing us everlasting joy in form of stupid extra macros that are not required in C */
325	#define array_free_microshit(stem) \
326	ev_free (stem ## s); stem ## cnt = stem ## max = 0;
327
328	#define array_free(stem, idx) \	373	#define array_free(stem, idx) \
329	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;	374	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
330		375
331	/*****************************************************************************/	376	/*****************************************************************************/
332		377
…		…
346	void	391	void
347	ev_feed_event (EV_P_ void *w, int revents)	392	ev_feed_event (EV_P_ void *w, int revents)
348	{	393	{
349	W w_ = (W)w;	394	W w_ = (W)w;
350		395
351	if (w_->pending)	396	if (expect_false (w_->pending))
352	{	397	{
353	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;	398	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
354	return;	399	return;
355	}	400	}
356		401
357	w_->pending = ++pendingcnt [ABSPRI (w_)];	402	w_->pending = ++pendingcnt [ABSPRI (w_)];
358	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void));	403	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
359	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;	404	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
360	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;	405	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
361	}	406	}
362		407
363	static void	408	static void
…		…
371		416
372	inline void	417	inline void
373	fd_event (EV_P_ int fd, int revents)	418	fd_event (EV_P_ int fd, int revents)
374	{	419	{
375	ANFD *anfd = anfds + fd;	420	ANFD *anfd = anfds + fd;
376	struct ev_io *w;	421	ev_io *w;
377		422
378	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	423	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)
379	{	424	{
380	int ev = w->events & revents;	425	int ev = w->events & revents;
381		426
382	if (ev)	427	if (ev)
383	ev_feed_event (EV_A_ (W)w, ev);	428	ev_feed_event (EV_A_ (W)w, ev);
…		…
390	fd_event (EV_A_ fd, revents);	435	fd_event (EV_A_ fd, revents);
391	}	436	}
392		437
393	/*****************************************************************************/	438	/*****************************************************************************/
394		439
395	static void	440	inline void
396	fd_reify (EV_P)	441	fd_reify (EV_P)
397	{	442	{
398	int i;	443	int i;
399		444
400	for (i = 0; i < fdchangecnt; ++i)	445	for (i = 0; i < fdchangecnt; ++i)
401	{	446	{
402	int fd = fdchanges [i];	447	int fd = fdchanges [i];
403	ANFD *anfd = anfds + fd;	448	ANFD *anfd = anfds + fd;
404	struct ev_io *w;	449	ev_io *w;
405		450
406	int events = 0;	451	int events = 0;
407		452
408	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	453	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)
409	events \|= w->events;	454	events \|= w->events;
410		455
		456	#if EV_SELECT_IS_WINSOCKET
		457	if (events)
		458	{
		459	unsigned long argp;
		460	anfd->handle = _get_osfhandle (fd);
		461	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
		462	}
		463	#endif
		464
411	anfd->reify = 0;	465	anfd->reify = 0;
412		466
413	method_modify (EV_A_ fd, anfd->events, events);	467	backend_modify (EV_A_ fd, anfd->events, events);
414	anfd->events = events;	468	anfd->events = events;
415	}	469	}
416		470
417	fdchangecnt = 0;	471	fdchangecnt = 0;
418	}	472	}
419		473
420	static void	474	static void
421	fd_change (EV_P_ int fd)	475	fd_change (EV_P_ int fd)
422	{	476	{
423	if (anfds [fd].reify)	477	if (expect_false (anfds [fd].reify))
424	return;	478	return;
425		479
426	anfds [fd].reify = 1;	480	anfds [fd].reify = 1;
427		481
428	++fdchangecnt;	482	++fdchangecnt;
429	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void));	483	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
430	fdchanges [fdchangecnt - 1] = fd;	484	fdchanges [fdchangecnt - 1] = fd;
431	}	485	}
432		486
433	static void	487	static void
434	fd_kill (EV_P_ int fd)	488	fd_kill (EV_P_ int fd)
435	{	489	{
436	struct ev_io *w;	490	ev_io *w;
437		491
438	while ((w = (struct ev_io *)anfds [fd].head))	492	while ((w = (ev_io *)anfds [fd].head))
439	{	493	{
440	ev_io_stop (EV_A_ w);	494	ev_io_stop (EV_A_ w);
441	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	495	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
442	}	496	}
443	}	497	}
444		498
445	static int	499	inline int
446	fd_valid (int fd)	500	fd_valid (int fd)
447	{	501	{
448	#ifdef WIN32	502	#ifdef _WIN32
449	return !!win32_get_osfhandle (fd);	503	return _get_osfhandle (fd) != -1;
450	#else	504	#else
451	return fcntl (fd, F_GETFD) != -1;	505	return fcntl (fd, F_GETFD) != -1;
452	#endif	506	#endif
453	}	507	}
454		508
…		…
476	fd_kill (EV_A_ fd);	530	fd_kill (EV_A_ fd);
477	return;	531	return;
478	}	532	}
479	}	533	}
480		534
481	/* usually called after fork if method needs to re-arm all fds from scratch */	535	/* usually called after fork if backend needs to re-arm all fds from scratch */
482	static void	536	static void
483	fd_rearm_all (EV_P)	537	fd_rearm_all (EV_P)
484	{	538	{
485	int fd;	539	int fd;
486		540
…		…
554	static ANSIG *signals;	608	static ANSIG *signals;
555	static int signalmax;	609	static int signalmax;
556		610
557	static int sigpipe [2];	611	static int sigpipe [2];
558	static sig_atomic_t volatile gotsig;	612	static sig_atomic_t volatile gotsig;
559	static struct ev_io sigev;	613	static ev_io sigev;
560		614
561	static void	615	static void
562	signals_init (ANSIG *base, int count)	616	signals_init (ANSIG *base, int count)
563	{	617	{
564	while (count--)	618	while (count--)
…		…
571	}	625	}
572		626
573	static void	627	static void
574	sighandler (int signum)	628	sighandler (int signum)
575	{	629	{
576	#if WIN32	630	#if _WIN32
577	signal (signum, sighandler);	631	signal (signum, sighandler);
578	#endif	632	#endif
579		633
580	signals [signum - 1].gotsig = 1;	634	signals [signum - 1].gotsig = 1;
581		635
582	if (!gotsig)	636	if (!gotsig)
583	{	637	{
584	int old_errno = errno;	638	int old_errno = errno;
585	gotsig = 1;	639	gotsig = 1;
586	#ifdef WIN32
587	send (sigpipe [1], &signum, 1, MSG_DONTWAIT);
588	#else
589	write (sigpipe [1], &signum, 1);	640	write (sigpipe [1], &signum, 1);
590	#endif
591	errno = old_errno;	641	errno = old_errno;
592	}	642	}
593	}	643	}
594		644
595	void	645	void
596	ev_feed_signal_event (EV_P_ int signum)	646	ev_feed_signal_event (EV_P_ int signum)
597	{	647	{
598	WL w;	648	WL w;
599		649
600	#if EV_MULTIPLICITY	650	#if EV_MULTIPLICITY
601	assert (("feeding signal events is only supported in the default loop", loop == default_loop));	651	assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
602	#endif	652	#endif
603		653
604	--signum;	654	--signum;
605		655
606	if (signum < 0 \|\| signum >= signalmax)	656	if (signum < 0 \|\| signum >= signalmax)
…		…
611	for (w = signals [signum].head; w; w = w->next)	661	for (w = signals [signum].head; w; w = w->next)
612	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	662	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
613	}	663	}
614		664
615	static void	665	static void
616	sigcb (EV_P_ struct ev_io *iow, int revents)	666	sigcb (EV_P_ ev_io *iow, int revents)
617	{	667	{
618	int signum;	668	int signum;
619		669
620	#ifdef WIN32
621	recv (sigpipe [0], &revents, 1, MSG_DONTWAIT);
622	#else
623	read (sigpipe [0], &revents, 1);	670	read (sigpipe [0], &revents, 1);
624	#endif
625	gotsig = 0;	671	gotsig = 0;
626		672
627	for (signum = signalmax; signum--; )	673	for (signum = signalmax; signum--; )
628	if (signals [signum].gotsig)	674	if (signals [signum].gotsig)
629	ev_feed_signal_event (EV_A_ signum + 1);	675	ev_feed_signal_event (EV_A_ signum + 1);
630	}	676	}
631		677
632	static void	678	static void
		679	fd_intern (int fd)
		680	{
		681	#ifdef _WIN32
		682	int arg = 1;
		683	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
		684	#else
		685	fcntl (fd, F_SETFD, FD_CLOEXEC);
		686	fcntl (fd, F_SETFL, O_NONBLOCK);
		687	#endif
		688	}
		689
		690	static void
633	siginit (EV_P)	691	siginit (EV_P)
634	{	692	{
635	#ifndef WIN32	693	fd_intern (sigpipe [0]);
636	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	694	fd_intern (sigpipe [1]);
637	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
638
639	/* rather than sort out wether we really need nb, set it */
640	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
641	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
642	#endif
643		695
644	ev_io_set (&sigev, sigpipe [0], EV_READ);	696	ev_io_set (&sigev, sigpipe [0], EV_READ);
645	ev_io_start (EV_A_ &sigev);	697	ev_io_start (EV_A_ &sigev);
646	ev_unref (EV_A); /* child watcher should not keep loop alive */	698	ev_unref (EV_A); /* child watcher should not keep loop alive */
647	}	699	}
648		700
649	/*****************************************************************************/	701	/*****************************************************************************/
650		702
651	static struct ev_child *childs [PID_HASHSIZE];	703	static ev_child *childs [PID_HASHSIZE];
652		704
653	#ifndef WIN32	705	#ifndef _WIN32
654		706
655	static struct ev_signal childev;	707	static ev_signal childev;
656		708
657	#ifndef WCONTINUED	709	#ifndef WCONTINUED
658	# define WCONTINUED 0	710	# define WCONTINUED 0
659	#endif	711	#endif
660		712
661	static void	713	static void
662	child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status)	714	child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status)
663	{	715	{
664	struct ev_child *w;	716	ev_child *w;
665		717
666	for (w = (struct ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child )((WL)w)->next)	718	for (w = (ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)
667	if (w->pid == pid \|\| !w->pid)	719	if (w->pid == pid \|\| !w->pid)
668	{	720	{
669	ev_priority (w) = ev_priority (sw); /* need to do it now */	721	ev_priority (w) = ev_priority (sw); /* need to do it now */
670	w->rpid = pid;	722	w->rpid = pid;
671	w->rstatus = status;	723	w->rstatus = status;
672	ev_feed_event (EV_A_ (W)w, EV_CHILD);	724	ev_feed_event (EV_A_ (W)w, EV_CHILD);
673	}	725	}
674	}	726	}
675		727
676	static void	728	static void
677	childcb (EV_P_ struct ev_signal *sw, int revents)	729	childcb (EV_P_ ev_signal *sw, int revents)
678	{	730	{
679	int pid, status;	731	int pid, status;
680		732
681	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))	733	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
682	{	734	{
683	/* make sure we are called again until all childs have been reaped */	735	/* make sure we are called again until all childs have been reaped */
		736	/* we need to do it this way so that the callback gets called before we continue */
684	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);	737	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
685		738
686	child_reap (EV_A_ sw, pid, pid, status);	739	child_reap (EV_A_ sw, pid, pid, status);
687	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */	740	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
688	}	741	}
689	}	742	}
690		743
691	#endif	744	#endif
692		745
693	/*****************************************************************************/	746	/*****************************************************************************/
694		747
		748	#if EV_USE_PORT
		749	# include "ev_port.c"
		750	#endif
695	#if EV_USE_KQUEUE	751	#if EV_USE_KQUEUE
696	# include "ev_kqueue.c"	752	# include "ev_kqueue.c"
697	#endif	753	#endif
698	#if EV_USE_EPOLL	754	#if EV_USE_EPOLL
699	# include "ev_epoll.c"	755	# include "ev_epoll.c"
…		…
719		775
720	/* return true if we are running with elevated privileges and should ignore env variables */	776	/* return true if we are running with elevated privileges and should ignore env variables */
721	static int	777	static int
722	enable_secure (void)	778	enable_secure (void)
723	{	779	{
724	#ifdef WIN32	780	#ifdef _WIN32
725	return 0;	781	return 0;
726	#else	782	#else
727	return getuid () != geteuid ()	783	return getuid () != geteuid ()
728	\|\| getgid () != getegid ();	784	\|\| getgid () != getegid ();
729	#endif	785	#endif
730	}	786	}
731		787
732	int	788	unsigned int
733	ev_method (EV_P)	789	ev_supported_backends (void)
734	{	790	{
735	return method;	791	unsigned int flags = 0;
736	}
737		792
738	static void	793	if (EV_USE_PORT ) flags \|= EVBACKEND_PORT;
739	loop_init (EV_P_ int methods)	794	if (EV_USE_KQUEUE) flags \|= EVBACKEND_KQUEUE;
		795	if (EV_USE_EPOLL ) flags \|= EVBACKEND_EPOLL;
		796	if (EV_USE_POLL ) flags \|= EVBACKEND_POLL;
		797	if (EV_USE_SELECT) flags \|= EVBACKEND_SELECT;
		798
		799	return flags;
		800	}
		801
		802	unsigned int
		803	ev_recommended_backends (void)
740	{	804	{
741	if (!method)	805	unsigned int flags = ev_supported_backends ();
		806
		807	#ifndef __NetBSD__
		808	/* kqueue is borked on everything but netbsd apparently */
		809	/* it usually doesn't work correctly on anything but sockets and pipes */
		810	flags &= ~EVBACKEND_KQUEUE;
		811	#endif
		812	#ifdef __APPLE__
		813	// flags &= ~EVBACKEND_KQUEUE; for documentation
		814	flags &= ~EVBACKEND_POLL;
		815	#endif
		816
		817	return flags;
		818	}
		819
		820	unsigned int
		821	ev_embeddable_backends (void)
		822	{
		823	return EVBACKEND_EPOLL
		824	\| EVBACKEND_KQUEUE
		825	\| EVBACKEND_PORT;
		826	}
		827
		828	unsigned int
		829	ev_backend (EV_P)
		830	{
		831	return backend;
		832	}
		833
		834	static void
		835	loop_init (EV_P_ unsigned int flags)
		836	{
		837	if (!backend)
742	{	838	{
743	#if EV_USE_MONOTONIC	839	#if EV_USE_MONOTONIC
744	{	840	{
745	struct timespec ts;	841	struct timespec ts;
746	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	842	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
…		…
751	ev_rt_now = ev_time ();	847	ev_rt_now = ev_time ();
752	mn_now = get_clock ();	848	mn_now = get_clock ();
753	now_floor = mn_now;	849	now_floor = mn_now;
754	rtmn_diff = ev_rt_now - mn_now;	850	rtmn_diff = ev_rt_now - mn_now;
755		851
756	if (methods == EVMETHOD_AUTO)	852	if (!(flags & EVFLAG_NOENV)
757	if (!enable_secure () && getenv ("LIBEV_METHODS"))	853	&& !enable_secure ()
		854	&& getenv ("LIBEV_FLAGS"))
758	methods = atoi (getenv ("LIBEV_METHODS"));	855	flags = atoi (getenv ("LIBEV_FLAGS"));
759	else
760	methods = EVMETHOD_ANY;
761		856
762	method = 0;	857	if (!(flags & 0x0000ffffUL))
763	#if EV_USE_WIN32	858	flags \|= ev_recommended_backends ();
764	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);	859
		860	backend = 0;
		861	#if EV_USE_PORT
		862	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
765	#endif	863	#endif
766	#if EV_USE_KQUEUE	864	#if EV_USE_KQUEUE
767	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	865	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
768	#endif	866	#endif
769	#if EV_USE_EPOLL	867	#if EV_USE_EPOLL
770	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	868	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
771	#endif	869	#endif
772	#if EV_USE_POLL	870	#if EV_USE_POLL
773	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	871	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
774	#endif	872	#endif
775	#if EV_USE_SELECT	873	#if EV_USE_SELECT
776	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	874	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
777	#endif	875	#endif
778		876
779	ev_init (&sigev, sigcb);	877	ev_init (&sigev, sigcb);
780	ev_set_priority (&sigev, EV_MAXPRI);	878	ev_set_priority (&sigev, EV_MAXPRI);
781	}	879	}
782	}	880	}
783		881
784	void	882	static void
785	loop_destroy (EV_P)	883	loop_destroy (EV_P)
786	{	884	{
787	int i;	885	int i;
788		886
789	#if EV_USE_WIN32	887	#if EV_USE_PORT
790	if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);	888	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
791	#endif	889	#endif
792	#if EV_USE_KQUEUE	890	#if EV_USE_KQUEUE
793	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);	891	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
794	#endif	892	#endif
795	#if EV_USE_EPOLL	893	#if EV_USE_EPOLL
796	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);	894	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
797	#endif	895	#endif
798	#if EV_USE_POLL	896	#if EV_USE_POLL
799	if (method == EVMETHOD_POLL ) poll_destroy (EV_A);	897	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
800	#endif	898	#endif
801	#if EV_USE_SELECT	899	#if EV_USE_SELECT
802	if (method == EVMETHOD_SELECT) select_destroy (EV_A);	900	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);
803	#endif	901	#endif
804		902
805	for (i = NUMPRI; i--; )	903	for (i = NUMPRI; i--; )
806	array_free (pending, [i]);	904	array_free (pending, [i]);
807		905
808	/* have to use the microsoft-never-gets-it-right macro */	906	/* have to use the microsoft-never-gets-it-right macro */
809	array_free_microshit (fdchange);	907	array_free (fdchange, EMPTY0);
810	array_free_microshit (timer);	908	array_free (timer, EMPTY0);
811	#if EV_PERIODICS	909	#if EV_PERIODICS
812	array_free_microshit (periodic);	910	array_free (periodic, EMPTY0);
813	#endif	911	#endif
814	array_free_microshit (idle);	912	array_free (idle, EMPTY0);
815	array_free_microshit (prepare);	913	array_free (prepare, EMPTY0);
816	array_free_microshit (check);	914	array_free (check, EMPTY0);
817		915
818	method = 0;	916	backend = 0;
819	}	917	}
820		918
821	static void	919	static void
822	loop_fork (EV_P)	920	loop_fork (EV_P)
823	{	921	{
		922	#if EV_USE_PORT
		923	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
		924	#endif
		925	#if EV_USE_KQUEUE
		926	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);
		927	#endif
824	#if EV_USE_EPOLL	928	#if EV_USE_EPOLL
825	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);	929	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
826	#endif
827	#if EV_USE_KQUEUE
828	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
829	#endif	930	#endif
830		931
831	if (ev_is_active (&sigev))	932	if (ev_is_active (&sigev))
832	{	933	{
833	/* default loop */	934	/* default loop */
…		…
846	postfork = 0;	947	postfork = 0;
847	}	948	}
848		949
849	#if EV_MULTIPLICITY	950	#if EV_MULTIPLICITY
850	struct ev_loop *	951	struct ev_loop *
851	ev_loop_new (int methods)	952	ev_loop_new (unsigned int flags)
852	{	953	{
853	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));	954	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
854		955
855	memset (loop, 0, sizeof (struct ev_loop));	956	memset (loop, 0, sizeof (struct ev_loop));
856		957
857	loop_init (EV_A_ methods);	958	loop_init (EV_A_ flags);
858		959
859	if (ev_method (EV_A))	960	if (ev_backend (EV_A))
860	return loop;	961	return loop;
861		962
862	return 0;	963	return 0;
863	}	964	}
864		965
…		…
877		978
878	#endif	979	#endif
879		980
880	#if EV_MULTIPLICITY	981	#if EV_MULTIPLICITY
881	struct ev_loop *	982	struct ev_loop *
		983	ev_default_loop_init (unsigned int flags)
882	#else	984	#else
883	int	985	int
		986	ev_default_loop (unsigned int flags)
884	#endif	987	#endif
885	ev_default_loop (int methods)
886	{	988	{
887	if (sigpipe [0] == sigpipe [1])	989	if (sigpipe [0] == sigpipe [1])
888	if (pipe (sigpipe))	990	if (pipe (sigpipe))
889	return 0;	991	return 0;
890		992
891	if (!default_loop)	993	if (!ev_default_loop_ptr)
892	{	994	{
893	#if EV_MULTIPLICITY	995	#if EV_MULTIPLICITY
894	struct ev_loop *loop = default_loop = &default_loop_struct;	996	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
895	#else	997	#else
896	default_loop = 1;	998	ev_default_loop_ptr = 1;
897	#endif	999	#endif
898		1000
899	loop_init (EV_A_ methods);	1001	loop_init (EV_A_ flags);
900		1002
901	if (ev_method (EV_A))	1003	if (ev_backend (EV_A))
902	{	1004	{
903	siginit (EV_A);	1005	siginit (EV_A);
904		1006
905	#ifndef WIN32	1007	#ifndef _WIN32
906	ev_signal_init (&childev, childcb, SIGCHLD);	1008	ev_signal_init (&childev, childcb, SIGCHLD);
907	ev_set_priority (&childev, EV_MAXPRI);	1009	ev_set_priority (&childev, EV_MAXPRI);
908	ev_signal_start (EV_A_ &childev);	1010	ev_signal_start (EV_A_ &childev);
909	ev_unref (EV_A); /* child watcher should not keep loop alive */	1011	ev_unref (EV_A); /* child watcher should not keep loop alive */
910	#endif	1012	#endif
911	}	1013	}
912	else	1014	else
913	default_loop = 0;	1015	ev_default_loop_ptr = 0;
914	}	1016	}
915		1017
916	return default_loop;	1018	return ev_default_loop_ptr;
917	}	1019	}
918		1020
919	void	1021	void
920	ev_default_destroy (void)	1022	ev_default_destroy (void)
921	{	1023	{
922	#if EV_MULTIPLICITY	1024	#if EV_MULTIPLICITY
923	struct ev_loop *loop = default_loop;	1025	struct ev_loop *loop = ev_default_loop_ptr;
924	#endif	1026	#endif
925		1027
926	#ifndef WIN32	1028	#ifndef _WIN32
927	ev_ref (EV_A); /* child watcher */	1029	ev_ref (EV_A); /* child watcher */
928	ev_signal_stop (EV_A_ &childev);	1030	ev_signal_stop (EV_A_ &childev);
929	#endif	1031	#endif
930		1032
931	ev_ref (EV_A); /* signal watcher */	1033	ev_ref (EV_A); /* signal watcher */
…		…
939		1041
940	void	1042	void
941	ev_default_fork (void)	1043	ev_default_fork (void)
942	{	1044	{
943	#if EV_MULTIPLICITY	1045	#if EV_MULTIPLICITY
944	struct ev_loop *loop = default_loop;	1046	struct ev_loop *loop = ev_default_loop_ptr;
945	#endif	1047	#endif
946		1048
947	if (method)	1049	if (backend)
948	postfork = 1;	1050	postfork = 1;
949	}	1051	}
950		1052
951	/*****************************************************************************/	1053	/*****************************************************************************/
952		1054
…		…
960	return 1;	1062	return 1;
961		1063
962	return 0;	1064	return 0;
963	}	1065	}
964		1066
965	static void	1067	inline void
966	call_pending (EV_P)	1068	call_pending (EV_P)
967	{	1069	{
968	int pri;	1070	int pri;
969		1071
970	for (pri = NUMPRI; pri--; )	1072	for (pri = NUMPRI; pri--; )
971	while (pendingcnt [pri])	1073	while (pendingcnt [pri])
972	{	1074	{
973	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1075	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
974		1076
975	if (p->w)	1077	if (expect_true (p->w))
976	{	1078	{
		1079	assert (("non-pending watcher on pending list", p->w->pending));
		1080
977	p->w->pending = 0;	1081	p->w->pending = 0;
978	EV_CB_INVOKE (p->w, p->events);	1082	EV_CB_INVOKE (p->w, p->events);
979	}	1083	}
980	}	1084	}
981	}	1085	}
982		1086
983	static void	1087	inline void
984	timers_reify (EV_P)	1088	timers_reify (EV_P)
985	{	1089	{
986	while (timercnt && ((WT)timers [0])->at <= mn_now)	1090	while (timercnt && ((WT)timers [0])->at <= mn_now)
987	{	1091	{
988	struct ev_timer *w = timers [0];	1092	ev_timer *w = timers [0];
989		1093
990	assert (("inactive timer on timer heap detected", ev_is_active (w)));	1094	assert (("inactive timer on timer heap detected", ev_is_active (w)));
991		1095
992	/* first reschedule or stop timer */	1096	/* first reschedule or stop timer */
993	if (w->repeat)	1097	if (w->repeat)
…		…
1006	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1110	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1007	}	1111	}
1008	}	1112	}
1009		1113
1010	#if EV_PERIODICS	1114	#if EV_PERIODICS
1011	static void	1115	inline void
1012	periodics_reify (EV_P)	1116	periodics_reify (EV_P)
1013	{	1117	{
1014	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)	1118	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1015	{	1119	{
1016	struct ev_periodic *w = periodics [0];	1120	ev_periodic *w = periodics [0];
1017		1121
1018	assert (("inactive timer on periodic heap detected", ev_is_active (w)));	1122	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
1019		1123
1020	/* first reschedule or stop timer */	1124	/* first reschedule or stop timer */
1021	if (w->reschedule_cb)	1125	if (w->reschedule_cb)
1022	{	1126	{
1023	ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);	1127	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
1024
1025	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));	1128	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1026	downheap ((WT *)periodics, periodiccnt, 0);	1129	downheap ((WT *)periodics, periodiccnt, 0);
1027	}	1130	}
1028	else if (w->interval)	1131	else if (w->interval)
1029	{	1132	{
…		…
1044	int i;	1147	int i;
1045		1148
1046	/* adjust periodics after time jump */	1149	/* adjust periodics after time jump */
1047	for (i = 0; i < periodiccnt; ++i)	1150	for (i = 0; i < periodiccnt; ++i)
1048	{	1151	{
1049	struct ev_periodic *w = periodics [i];	1152	ev_periodic *w = periodics [i];
1050		1153
1051	if (w->reschedule_cb)	1154	if (w->reschedule_cb)
1052	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1155	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1053	else if (w->interval)	1156	else if (w->interval)
1054	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;	1157	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
…		…
1076	ev_rt_now = ev_time ();	1179	ev_rt_now = ev_time ();
1077	return 1;	1180	return 1;
1078	}	1181	}
1079	}	1182	}
1080		1183
1081	static void	1184	inline void
1082	time_update (EV_P)	1185	time_update (EV_P)
1083	{	1186	{
1084	int i;	1187	int i;
1085		1188
1086	#if EV_USE_MONOTONIC	1189	#if EV_USE_MONOTONIC
…		…
1088	{	1191	{
1089	if (time_update_monotonic (EV_A))	1192	if (time_update_monotonic (EV_A))
1090	{	1193	{
1091	ev_tstamp odiff = rtmn_diff;	1194	ev_tstamp odiff = rtmn_diff;
1092		1195
1093	for (i = 4; --i; ) /* loop a few times, before making important decisions */	1196	/* loop a few times, before making important decisions.
		1197	* on the choice of "4": one iteration isn't enough,
		1198	* in case we get preempted during the calls to
		1199	* ev_time and get_clock. a second call is almost guarenteed
		1200	* to succeed in that case, though. and looping a few more times
		1201	* doesn't hurt either as we only do this on time-jumps or
		1202	* in the unlikely event of getting preempted here.
		1203	*/
		1204	for (i = 4; --i; )
1094	{	1205	{
1095	rtmn_diff = ev_rt_now - mn_now;	1206	rtmn_diff = ev_rt_now - mn_now;
1096		1207
1097	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1208	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
1098	return; /* all is well */	1209	return; /* all is well */
…		…
1144	static int loop_done;	1255	static int loop_done;
1145		1256
1146	void	1257	void
1147	ev_loop (EV_P_ int flags)	1258	ev_loop (EV_P_ int flags)
1148	{	1259	{
1149	double block;
1150	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1260	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK)
		1261	? EVUNLOOP_ONE
		1262	: EVUNLOOP_CANCEL;
1151		1263
1152	do	1264	while (activecnt)
1153	{	1265	{
1154	/* queue check watchers (and execute them) */	1266	/* queue check watchers (and execute them) */
1155	if (expect_false (preparecnt))	1267	if (expect_false (preparecnt))
1156	{	1268	{
1157	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1269	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
…		…
1164		1276
1165	/* update fd-related kernel structures */	1277	/* update fd-related kernel structures */
1166	fd_reify (EV_A);	1278	fd_reify (EV_A);
1167		1279
1168	/* calculate blocking time */	1280	/* calculate blocking time */
		1281	{
		1282	double block;
1169		1283
1170	/* we only need this for !monotonic clock or timers, but as we basically	1284	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
1171	always have timers, we just calculate it always */	1285	block = 0.; /* do not block at all */
		1286	else
		1287	{
		1288	/* update time to cancel out callback processing overhead */
1172	#if EV_USE_MONOTONIC	1289	#if EV_USE_MONOTONIC
1173	if (expect_true (have_monotonic))	1290	if (expect_true (have_monotonic))
1174	time_update_monotonic (EV_A);	1291	time_update_monotonic (EV_A);
1175	else	1292	else
1176	#endif	1293	#endif
1177	{	1294	{
1178	ev_rt_now = ev_time ();	1295	ev_rt_now = ev_time ();
1179	mn_now = ev_rt_now;	1296	mn_now = ev_rt_now;
1180	}	1297	}
1181		1298
1182	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
1183	block = 0.;
1184	else
1185	{
1186	block = MAX_BLOCKTIME;	1299	block = MAX_BLOCKTIME;
1187		1300
1188	if (timercnt)	1301	if (timercnt)
1189	{	1302	{
1190	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;	1303	ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;
1191	if (block > to) block = to;	1304	if (block > to) block = to;
1192	}	1305	}
1193		1306
1194	#if EV_PERIODICS	1307	#if EV_PERIODICS
1195	if (periodiccnt)	1308	if (periodiccnt)
1196	{	1309	{
1197	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;	1310	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge;
1198	if (block > to) block = to;	1311	if (block > to) block = to;
1199	}	1312	}
1200	#endif	1313	#endif
1201		1314
1202	if (block < 0.) block = 0.;	1315	if (expect_false (block < 0.)) block = 0.;
1203	}	1316	}
1204		1317
1205	method_poll (EV_A_ block);	1318	backend_poll (EV_A_ block);
		1319	}
1206		1320
1207	/* update ev_rt_now, do magic */	1321	/* update ev_rt_now, do magic */
1208	time_update (EV_A);	1322	time_update (EV_A);
1209		1323
1210	/* queue pending timers and reschedule them */	1324	/* queue pending timers and reschedule them */
1211	timers_reify (EV_A); /* relative timers called last */	1325	timers_reify (EV_A); /* relative timers called last */
1212	#if EV_PERIODICS	1326	#if EV_PERIODICS
1213	periodics_reify (EV_A); /* absolute timers called first */	1327	periodics_reify (EV_A); /* absolute timers called first */
1214	#endif	1328	#endif
1215		1329
1216	/* queue idle watchers unless io or timers are pending */	1330	/* queue idle watchers unless other events are pending */
1217	if (idlecnt && !any_pending (EV_A))	1331	if (idlecnt && !any_pending (EV_A))
1218	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1332	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
1219		1333
1220	/* queue check watchers, to be executed first */	1334	/* queue check watchers, to be executed first */
1221	if (checkcnt)	1335	if (expect_false (checkcnt))
1222	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1336	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1223		1337
1224	call_pending (EV_A);	1338	call_pending (EV_A);
1225	}
1226	while (activecnt && !loop_done);
1227		1339
1228	if (loop_done != 2)	1340	if (expect_false (loop_done))
1229	loop_done = 0;	1341	break;
		1342	}
		1343
		1344	if (loop_done == EVUNLOOP_ONE)
		1345	loop_done = EVUNLOOP_CANCEL;
1230	}	1346	}
1231		1347
1232	void	1348	void
1233	ev_unloop (EV_P_ int how)	1349	ev_unloop (EV_P_ int how)
1234	{	1350	{
…		…
1287	}	1403	}
1288		1404
1289	/*****************************************************************************/	1405	/*****************************************************************************/
1290		1406
1291	void	1407	void
1292	ev_io_start (EV_P_ struct ev_io *w)	1408	ev_io_start (EV_P_ ev_io *w)
1293	{	1409	{
1294	int fd = w->fd;	1410	int fd = w->fd;
1295		1411
1296	if (ev_is_active (w))	1412	if (expect_false (ev_is_active (w)))
1297	return;	1413	return;
1298		1414
1299	assert (("ev_io_start called with negative fd", fd >= 0));	1415	assert (("ev_io_start called with negative fd", fd >= 0));
1300		1416
1301	ev_start (EV_A_ (W)w, 1);	1417	ev_start (EV_A_ (W)w, 1);
…		…
1304		1420
1305	fd_change (EV_A_ fd);	1421	fd_change (EV_A_ fd);
1306	}	1422	}
1307		1423
1308	void	1424	void
1309	ev_io_stop (EV_P_ struct ev_io *w)	1425	ev_io_stop (EV_P_ ev_io *w)
1310	{	1426	{
1311	ev_clear_pending (EV_A_ (W)w);	1427	ev_clear_pending (EV_A_ (W)w);
1312	if (!ev_is_active (w))	1428	if (expect_false (!ev_is_active (w)))
1313	return;	1429	return;
1314		1430
1315	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	1431	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1316		1432
1317	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1433	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
…		…
1319		1435
1320	fd_change (EV_A_ w->fd);	1436	fd_change (EV_A_ w->fd);
1321	}	1437	}
1322		1438
1323	void	1439	void
1324	ev_timer_start (EV_P_ struct ev_timer *w)	1440	ev_timer_start (EV_P_ ev_timer *w)
1325	{	1441	{
1326	if (ev_is_active (w))	1442	if (expect_false (ev_is_active (w)))
1327	return;	1443	return;
1328		1444
1329	((WT)w)->at += mn_now;	1445	((WT)w)->at += mn_now;
1330		1446
1331	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1447	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1332		1448
1333	ev_start (EV_A_ (W)w, ++timercnt);	1449	ev_start (EV_A_ (W)w, ++timercnt);
1334	array_needsize (struct ev_timer *, timers, timermax, timercnt, (void));	1450	array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2);
1335	timers [timercnt - 1] = w;	1451	timers [timercnt - 1] = w;
1336	upheap ((WT *)timers, timercnt - 1);	1452	upheap ((WT *)timers, timercnt - 1);
1337		1453
1338	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1454	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1339	}	1455	}
1340		1456
1341	void	1457	void
1342	ev_timer_stop (EV_P_ struct ev_timer *w)	1458	ev_timer_stop (EV_P_ ev_timer *w)
1343	{	1459	{
1344	ev_clear_pending (EV_A_ (W)w);	1460	ev_clear_pending (EV_A_ (W)w);
1345	if (!ev_is_active (w))	1461	if (expect_false (!ev_is_active (w)))
1346	return;	1462	return;
1347		1463
1348	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1464	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1349		1465
1350	if (((W)w)->active < timercnt--)	1466	if (expect_true (((W)w)->active < timercnt--))
1351	{	1467	{
1352	timers [((W)w)->active - 1] = timers [timercnt];	1468	timers [((W)w)->active - 1] = timers [timercnt];
1353	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1469	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1354	}	1470	}
1355		1471
…		…
1357		1473
1358	ev_stop (EV_A_ (W)w);	1474	ev_stop (EV_A_ (W)w);
1359	}	1475	}
1360		1476
1361	void	1477	void
1362	ev_timer_again (EV_P_ struct ev_timer *w)	1478	ev_timer_again (EV_P_ ev_timer *w)
1363	{	1479	{
1364	if (ev_is_active (w))	1480	if (ev_is_active (w))
1365	{	1481	{
1366	if (w->repeat)	1482	if (w->repeat)
1367	{	1483	{
…		…
1370	}	1486	}
1371	else	1487	else
1372	ev_timer_stop (EV_A_ w);	1488	ev_timer_stop (EV_A_ w);
1373	}	1489	}
1374	else if (w->repeat)	1490	else if (w->repeat)
		1491	{
		1492	w->at = w->repeat;
1375	ev_timer_start (EV_A_ w);	1493	ev_timer_start (EV_A_ w);
		1494	}
1376	}	1495	}
1377		1496
1378	#if EV_PERIODICS	1497	#if EV_PERIODICS
1379	void	1498	void
1380	ev_periodic_start (EV_P_ struct ev_periodic *w)	1499	ev_periodic_start (EV_P_ ev_periodic *w)
1381	{	1500	{
1382	if (ev_is_active (w))	1501	if (expect_false (ev_is_active (w)))
1383	return;	1502	return;
1384		1503
1385	if (w->reschedule_cb)	1504	if (w->reschedule_cb)
1386	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1505	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1387	else if (w->interval)	1506	else if (w->interval)
…		…
1390	/* this formula differs from the one in periodic_reify because we do not always round up */	1509	/* this formula differs from the one in periodic_reify because we do not always round up */
1391	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;	1510	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
1392	}	1511	}
1393		1512
1394	ev_start (EV_A_ (W)w, ++periodiccnt);	1513	ev_start (EV_A_ (W)w, ++periodiccnt);
1395	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void));	1514	array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1396	periodics [periodiccnt - 1] = w;	1515	periodics [periodiccnt - 1] = w;
1397	upheap ((WT *)periodics, periodiccnt - 1);	1516	upheap ((WT *)periodics, periodiccnt - 1);
1398		1517
1399	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1518	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1400	}	1519	}
1401		1520
1402	void	1521	void
1403	ev_periodic_stop (EV_P_ struct ev_periodic *w)	1522	ev_periodic_stop (EV_P_ ev_periodic *w)
1404	{	1523	{
1405	ev_clear_pending (EV_A_ (W)w);	1524	ev_clear_pending (EV_A_ (W)w);
1406	if (!ev_is_active (w))	1525	if (expect_false (!ev_is_active (w)))
1407	return;	1526	return;
1408		1527
1409	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1528	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1410		1529
1411	if (((W)w)->active < periodiccnt--)	1530	if (expect_true (((W)w)->active < periodiccnt--))
1412	{	1531	{
1413	periodics [((W)w)->active - 1] = periodics [periodiccnt];	1532	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1414	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);	1533	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1415	}	1534	}
1416		1535
1417	ev_stop (EV_A_ (W)w);	1536	ev_stop (EV_A_ (W)w);
1418	}	1537	}
1419		1538
1420	void	1539	void
1421	ev_periodic_again (EV_P_ struct ev_periodic *w)	1540	ev_periodic_again (EV_P_ ev_periodic *w)
1422	{	1541	{
1423	/* TODO: use adjustheap and recalculation */	1542	/* TODO: use adjustheap and recalculation */
1424	ev_periodic_stop (EV_A_ w);	1543	ev_periodic_stop (EV_A_ w);
1425	ev_periodic_start (EV_A_ w);	1544	ev_periodic_start (EV_A_ w);
1426	}	1545	}
1427	#endif	1546	#endif
1428		1547
1429	void	1548	void
1430	ev_idle_start (EV_P_ struct ev_idle *w)	1549	ev_idle_start (EV_P_ ev_idle *w)
1431	{	1550	{
1432	if (ev_is_active (w))	1551	if (expect_false (ev_is_active (w)))
1433	return;	1552	return;
1434		1553
1435	ev_start (EV_A_ (W)w, ++idlecnt);	1554	ev_start (EV_A_ (W)w, ++idlecnt);
1436	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void));	1555	array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1437	idles [idlecnt - 1] = w;	1556	idles [idlecnt - 1] = w;
1438	}	1557	}
1439		1558
1440	void	1559	void
1441	ev_idle_stop (EV_P_ struct ev_idle *w)	1560	ev_idle_stop (EV_P_ ev_idle *w)
1442	{	1561	{
1443	ev_clear_pending (EV_A_ (W)w);	1562	ev_clear_pending (EV_A_ (W)w);
1444	if (!ev_is_active (w))	1563	if (expect_false (!ev_is_active (w)))
1445	return;	1564	return;
1446		1565
		1566	{
		1567	int active = ((W)w)->active;
1447	idles [((W)w)->active - 1] = idles [--idlecnt];	1568	idles [active - 1] = idles [--idlecnt];
		1569	((W)idles [active - 1])->active = active;
		1570	}
		1571
1448	ev_stop (EV_A_ (W)w);	1572	ev_stop (EV_A_ (W)w);
1449	}	1573	}
1450		1574
1451	void	1575	void
1452	ev_prepare_start (EV_P_ struct ev_prepare *w)	1576	ev_prepare_start (EV_P_ ev_prepare *w)
1453	{	1577	{
1454	if (ev_is_active (w))	1578	if (expect_false (ev_is_active (w)))
1455	return;	1579	return;
1456		1580
1457	ev_start (EV_A_ (W)w, ++preparecnt);	1581	ev_start (EV_A_ (W)w, ++preparecnt);
1458	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void));	1582	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1459	prepares [preparecnt - 1] = w;	1583	prepares [preparecnt - 1] = w;
1460	}	1584	}
1461		1585
1462	void	1586	void
1463	ev_prepare_stop (EV_P_ struct ev_prepare *w)	1587	ev_prepare_stop (EV_P_ ev_prepare *w)
1464	{	1588	{
1465	ev_clear_pending (EV_A_ (W)w);	1589	ev_clear_pending (EV_A_ (W)w);
1466	if (!ev_is_active (w))	1590	if (expect_false (!ev_is_active (w)))
1467	return;	1591	return;
1468		1592
		1593	{
		1594	int active = ((W)w)->active;
1469	prepares [((W)w)->active - 1] = prepares [--preparecnt];	1595	prepares [active - 1] = prepares [--preparecnt];
		1596	((W)prepares [active - 1])->active = active;
		1597	}
		1598
1470	ev_stop (EV_A_ (W)w);	1599	ev_stop (EV_A_ (W)w);
1471	}	1600	}
1472		1601
1473	void	1602	void
1474	ev_check_start (EV_P_ struct ev_check *w)	1603	ev_check_start (EV_P_ ev_check *w)
1475	{	1604	{
1476	if (ev_is_active (w))	1605	if (expect_false (ev_is_active (w)))
1477	return;	1606	return;
1478		1607
1479	ev_start (EV_A_ (W)w, ++checkcnt);	1608	ev_start (EV_A_ (W)w, ++checkcnt);
1480	array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void));	1609	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
1481	checks [checkcnt - 1] = w;	1610	checks [checkcnt - 1] = w;
1482	}	1611	}
1483		1612
1484	void	1613	void
1485	ev_check_stop (EV_P_ struct ev_check *w)	1614	ev_check_stop (EV_P_ ev_check *w)
1486	{	1615	{
1487	ev_clear_pending (EV_A_ (W)w);	1616	ev_clear_pending (EV_A_ (W)w);
1488	if (!ev_is_active (w))	1617	if (expect_false (!ev_is_active (w)))
1489	return;	1618	return;
1490		1619
		1620	{
		1621	int active = ((W)w)->active;
1491	checks [((W)w)->active - 1] = checks [--checkcnt];	1622	checks [active - 1] = checks [--checkcnt];
		1623	((W)checks [active - 1])->active = active;
		1624	}
		1625
1492	ev_stop (EV_A_ (W)w);	1626	ev_stop (EV_A_ (W)w);
1493	}	1627	}
1494		1628
1495	#ifndef SA_RESTART	1629	#ifndef SA_RESTART
1496	# define SA_RESTART 0	1630	# define SA_RESTART 0
1497	#endif	1631	#endif
1498		1632
1499	void	1633	void
1500	ev_signal_start (EV_P_ struct ev_signal *w)	1634	ev_signal_start (EV_P_ ev_signal *w)
1501	{	1635	{
1502	#if EV_MULTIPLICITY	1636	#if EV_MULTIPLICITY
1503	assert (("signal watchers are only supported in the default loop", loop == default_loop));	1637	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1504	#endif	1638	#endif
1505	if (ev_is_active (w))	1639	if (expect_false (ev_is_active (w)))
1506	return;	1640	return;
1507		1641
1508	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1642	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1509		1643
1510	ev_start (EV_A_ (W)w, 1);	1644	ev_start (EV_A_ (W)w, 1);
1511	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);	1645	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1512	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1646	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1513		1647
1514	if (!((WL)w)->next)	1648	if (!((WL)w)->next)
1515	{	1649	{
1516	#if WIN32	1650	#if _WIN32
1517	signal (w->signum, sighandler);	1651	signal (w->signum, sighandler);
1518	#else	1652	#else
1519	struct sigaction sa;	1653	struct sigaction sa;
1520	sa.sa_handler = sighandler;	1654	sa.sa_handler = sighandler;
1521	sigfillset (&sa.sa_mask);	1655	sigfillset (&sa.sa_mask);
…		…
1524	#endif	1658	#endif
1525	}	1659	}
1526	}	1660	}
1527		1661
1528	void	1662	void
1529	ev_signal_stop (EV_P_ struct ev_signal *w)	1663	ev_signal_stop (EV_P_ ev_signal *w)
1530	{	1664	{
1531	ev_clear_pending (EV_A_ (W)w);	1665	ev_clear_pending (EV_A_ (W)w);
1532	if (!ev_is_active (w))	1666	if (expect_false (!ev_is_active (w)))
1533	return;	1667	return;
1534		1668
1535	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1669	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1536	ev_stop (EV_A_ (W)w);	1670	ev_stop (EV_A_ (W)w);
1537		1671
1538	if (!signals [w->signum - 1].head)	1672	if (!signals [w->signum - 1].head)
1539	signal (w->signum, SIG_DFL);	1673	signal (w->signum, SIG_DFL);
1540	}	1674	}
1541		1675
1542	void	1676	void
1543	ev_child_start (EV_P_ struct ev_child *w)	1677	ev_child_start (EV_P_ ev_child *w)
1544	{	1678	{
1545	#if EV_MULTIPLICITY	1679	#if EV_MULTIPLICITY
1546	assert (("child watchers are only supported in the default loop", loop == default_loop));	1680	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1547	#endif	1681	#endif
1548	if (ev_is_active (w))	1682	if (expect_false (ev_is_active (w)))
1549	return;	1683	return;
1550		1684
1551	ev_start (EV_A_ (W)w, 1);	1685	ev_start (EV_A_ (W)w, 1);
1552	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1686	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1553	}	1687	}
1554		1688
1555	void	1689	void
1556	ev_child_stop (EV_P_ struct ev_child *w)	1690	ev_child_stop (EV_P_ ev_child *w)
1557	{	1691	{
1558	ev_clear_pending (EV_A_ (W)w);	1692	ev_clear_pending (EV_A_ (W)w);
1559	if (!ev_is_active (w))	1693	if (expect_false (!ev_is_active (w)))
1560	return;	1694	return;
1561		1695
1562	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1696	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1563	ev_stop (EV_A_ (W)w);	1697	ev_stop (EV_A_ (W)w);
1564	}	1698	}
1565		1699
		1700	#if EV_MULTIPLICITY
		1701	void
		1702	ev_embed_sweep (EV_P_ ev_embed *w)
		1703	{
		1704	ev_loop (w->loop, EVLOOP_NONBLOCK);
		1705	}
		1706
		1707	static void
		1708	embed_cb (EV_P_ ev_io *io, int revents)
		1709	{
		1710	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));
		1711
		1712	if (ev_cb (w))
		1713	ev_feed_event (EV_A_ (W)w, EV_EMBED);
		1714	else
		1715	ev_embed_sweep (loop, w);
		1716	}
		1717
		1718	void
		1719	ev_embed_start (EV_P_ ev_embed *w)
		1720	{
		1721	if (expect_false (ev_is_active (w)))
		1722	return;
		1723
		1724	{
		1725	struct ev_loop *loop = w->loop;
		1726	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
		1727	ev_io_init (&w->io, embed_cb, backend_fd, EV_READ);
		1728	}
		1729
		1730	ev_set_priority (&w->io, ev_priority (w));
		1731	ev_io_start (EV_A_ &w->io);
		1732	ev_start (EV_A_ (W)w, 1);
		1733	}
		1734
		1735	void
		1736	ev_embed_stop (EV_P_ ev_embed *w)
		1737	{
		1738	ev_clear_pending (EV_A_ (W)w);
		1739	if (expect_false (!ev_is_active (w)))
		1740	return;
		1741
		1742	ev_io_stop (EV_A_ &w->io);
		1743	ev_stop (EV_A_ (W)w);
		1744	}
		1745	#endif
		1746
1566	/*****************************************************************************/	1747	/*****************************************************************************/
1567		1748
1568	struct ev_once	1749	struct ev_once
1569	{	1750	{
1570	struct ev_io io;	1751	ev_io io;
1571	struct ev_timer to;	1752	ev_timer to;
1572	void (cb)(int revents, void arg);	1753	void (cb)(int revents, void arg);
1573	void *arg;	1754	void *arg;
1574	};	1755	};
1575		1756
1576	static void	1757	static void
…		…
1585		1766
1586	cb (revents, arg);	1767	cb (revents, arg);
1587	}	1768	}
1588		1769
1589	static void	1770	static void
1590	once_cb_io (EV_P_ struct ev_io *w, int revents)	1771	once_cb_io (EV_P_ ev_io *w, int revents)
1591	{	1772	{
1592	once_cb (EV_A_ (struct ev_once )(((char )w) - offsetof (struct ev_once, io)), revents);	1773	once_cb (EV_A_ (struct ev_once )(((char )w) - offsetof (struct ev_once, io)), revents);
1593	}	1774	}
1594		1775
1595	static void	1776	static void
1596	once_cb_to (EV_P_ struct ev_timer *w, int revents)	1777	once_cb_to (EV_P_ ev_timer *w, int revents)
1597	{	1778	{
1598	once_cb (EV_A_ (struct ev_once )(((char )w) - offsetof (struct ev_once, to)), revents);	1779	once_cb (EV_A_ (struct ev_once )(((char )w) - offsetof (struct ev_once, to)), revents);
1599	}	1780	}
1600		1781
1601	void	1782	void
1602	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1783	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1603	{	1784	{
1604	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));	1785	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1605		1786
1606	if (!once)	1787	if (expect_false (!once))
		1788	{
1607	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1789	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1608	else	1790	return;
1609	{	1791	}
		1792
1610	once->cb = cb;	1793	once->cb = cb;
1611	once->arg = arg;	1794	once->arg = arg;
1612		1795
1613	ev_init (&once->io, once_cb_io);	1796	ev_init (&once->io, once_cb_io);
1614	if (fd >= 0)	1797	if (fd >= 0)
1615	{	1798	{
1616	ev_io_set (&once->io, fd, events);	1799	ev_io_set (&once->io, fd, events);
1617	ev_io_start (EV_A_ &once->io);	1800	ev_io_start (EV_A_ &once->io);
1618	}	1801	}
1619		1802
1620	ev_init (&once->to, once_cb_to);	1803	ev_init (&once->to, once_cb_to);
1621	if (timeout >= 0.)	1804	if (timeout >= 0.)
1622	{	1805	{
1623	ev_timer_set (&once->to, timeout, 0.);	1806	ev_timer_set (&once->to, timeout, 0.);
1624	ev_timer_start (EV_A_ &once->to);	1807	ev_timer_start (EV_A_ &once->to);
1625	}
1626	}	1808	}
1627	}	1809	}
1628		1810
1629	#ifdef __cplusplus	1811	#ifdef __cplusplus
1630	}	1812	}

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Comparing libev/ev.c (file contents): Revision 1.101 by root, Sun Nov 11 04:04:23 2007 UTC vs. Revision 1.139 by root, Sun Nov 25 09:24:37 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.101 by root, Sun Nov 11 04:04:23 2007 UTC vs.
Revision 1.139 by root, Sun Nov 25 09:24:37 2007 UTC