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

Comparing libev/ev.c (file contents):
Revision 1.86 by root, Sat Nov 10 03:19:21 2007 UTC vs.
Revision 1.110 by root, Mon Nov 12 05:56:49 2007 UTC

…		…
26	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	26	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	27	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE	28	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	29	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30	*/	30	*/
		31
		32	#ifdef __cplusplus
		33	extern "C" {
		34	#endif
		35
31	#ifndef EV_STANDALONE	36	#ifndef EV_STANDALONE
32	# include "config.h"	37	# include "config.h"
33		38
34	# if HAVE_CLOCK_GETTIME	39	# if HAVE_CLOCK_GETTIME
		40	# ifndef EV_USE_MONOTONIC
35	# define EV_USE_MONOTONIC 1	41	# define EV_USE_MONOTONIC 1
		42	# endif
		43	# ifndef EV_USE_REALTIME
36	# define EV_USE_REALTIME 1	44	# define EV_USE_REALTIME 1
		45	# endif
37	# endif	46	# endif
38		47
39	# if HAVE_SELECT && HAVE_SYS_SELECT_H	48	# if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT)
40	# define EV_USE_SELECT 1	49	# define EV_USE_SELECT 1
41	# endif	50	# endif
42		51
43	# if HAVE_POLL && HAVE_POLL_H	52	# if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL)
44	# define EV_USE_POLL 1	53	# define EV_USE_POLL 1
45	# endif	54	# endif
46		55
47	# if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H	56	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL)
48	# define EV_USE_EPOLL 1	57	# define EV_USE_EPOLL 1
49	# endif	58	# endif
50		59
51	# if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H	60	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE)
52	# define EV_USE_KQUEUE 1	61	# define EV_USE_KQUEUE 1
53	# endif	62	# endif
54		63
55	#endif	64	#endif
56		65
…		…
66	#include <sys/types.h>	75	#include <sys/types.h>
67	#include <time.h>	76	#include <time.h>
68		77
69	#include <signal.h>	78	#include <signal.h>
70		79
71	#ifndef WIN32	80	#ifndef _WIN32
72	# include <unistd.h>	81	# include <unistd.h>
73	# include <sys/time.h>	82	# include <sys/time.h>
74	# include <sys/wait.h>	83	# include <sys/wait.h>
		84	#else
		85	# define WIN32_LEAN_AND_MEAN
		86	# include <windows.h>
		87	# ifndef EV_SELECT_IS_WINSOCKET
		88	# define EV_SELECT_IS_WINSOCKET 1
75	#endif	89	# endif
		90	#endif
		91
76	/**/	92	/**/
77		93
78	#ifndef EV_USE_MONOTONIC	94	#ifndef EV_USE_MONOTONIC
79	# define EV_USE_MONOTONIC 1	95	# define EV_USE_MONOTONIC 1
80	#endif	96	#endif
81		97
82	#ifndef EV_USE_SELECT	98	#ifndef EV_USE_SELECT
83	# define EV_USE_SELECT 1	99	# define EV_USE_SELECT 1
		100	# define EV_SELECT_USE_FD_SET 1
84	#endif	101	#endif
85		102
86	#ifndef EV_USE_POLL	103	#ifndef EV_USE_POLL
87	# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */	104	# ifdef _WIN32
		105	# define EV_USE_POLL 0
		106	# else
		107	# define EV_USE_POLL 1
		108	# endif
88	#endif	109	#endif
89		110
90	#ifndef EV_USE_EPOLL	111	#ifndef EV_USE_EPOLL
91	# define EV_USE_EPOLL 0	112	# define EV_USE_EPOLL 0
92	#endif	113	#endif
93		114
94	#ifndef EV_USE_KQUEUE	115	#ifndef EV_USE_KQUEUE
95	# define EV_USE_KQUEUE 0	116	# define EV_USE_KQUEUE 0
96	#endif	117	#endif
97		118
98	#ifndef EV_USE_WIN32
99	# ifdef WIN32
100	# define EV_USE_WIN32 0 /* it does not exist, use select */
101	# undef EV_USE_SELECT
102	# define EV_USE_SELECT 1
103	# else
104	# define EV_USE_WIN32 0
105	# endif
106	#endif
107
108	#ifndef EV_USE_REALTIME	119	#ifndef EV_USE_REALTIME
109	# define EV_USE_REALTIME 1	120	# define EV_USE_REALTIME 1
110	#endif	121	#endif
111		122
112	/**/	123	/**/
		124
		125	/* darwin simply cannot be helped */
		126	#ifdef __APPLE__
		127	# undef EV_USE_POLL
		128	# undef EV_USE_KQUEUE
		129	#endif
113		130
114	#ifndef CLOCK_MONOTONIC	131	#ifndef CLOCK_MONOTONIC
115	# undef EV_USE_MONOTONIC	132	# undef EV_USE_MONOTONIC
116	# define EV_USE_MONOTONIC 0	133	# define EV_USE_MONOTONIC 0
117	#endif	134	#endif
118		135
119	#ifndef CLOCK_REALTIME	136	#ifndef CLOCK_REALTIME
120	# undef EV_USE_REALTIME	137	# undef EV_USE_REALTIME
121	# define EV_USE_REALTIME 0	138	# define EV_USE_REALTIME 0
		139	#endif
		140
		141	#if EV_SELECT_IS_WINSOCKET
		142	# include <winsock.h>
122	#endif	143	#endif
123		144
124	/**/	145	/**/
125		146
126	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	147	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
…		…
146	#define expect_true(expr) expect ((expr) != 0, 1)	167	#define expect_true(expr) expect ((expr) != 0, 1)
147		168
148	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	169	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
149	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	170	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
150		171
		172	#define EMPTY /* required for microsofts broken pseudo-c compiler */
		173
151	typedef struct ev_watcher *W;	174	typedef struct ev_watcher *W;
152	typedef struct ev_watcher_list *WL;	175	typedef struct ev_watcher_list *WL;
153	typedef struct ev_watcher_time *WT;	176	typedef struct ev_watcher_time *WT;
154		177
155	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	178	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
156		179
		180	#ifdef _WIN32
157	#include "ev_win32.c"	181	# include "ev_win32.c"
		182	#endif
158		183
159	/*****************************************************************************/	184	/*****************************************************************************/
160		185
161	static void (syserr_cb)(const char msg);	186	static void (syserr_cb)(const char msg);
162		187
…		…
209	typedef struct	234	typedef struct
210	{	235	{
211	WL head;	236	WL head;
212	unsigned char events;	237	unsigned char events;
213	unsigned char reify;	238	unsigned char reify;
		239	#if EV_SELECT_IS_WINSOCKET
		240	SOCKET handle;
		241	#endif
214	} ANFD;	242	} ANFD;
215		243
216	typedef struct	244	typedef struct
217	{	245	{
218	W w;	246	W w;
…		…
222	#if EV_MULTIPLICITY	250	#if EV_MULTIPLICITY
223		251
224	struct ev_loop	252	struct ev_loop
225	{	253	{
226	ev_tstamp ev_rt_now;	254	ev_tstamp ev_rt_now;
		255	#define ev_rt_now ((loop)->ev_rt_now)
227	#define VAR(name,decl) decl;	256	#define VAR(name,decl) decl;
228	#include "ev_vars.h"	257	#include "ev_vars.h"
229	#undef VAR	258	#undef VAR
230	};	259	};
231	#include "ev_wrap.h"	260	#include "ev_wrap.h"
…		…
244		273
245	#endif	274	#endif
246		275
247	/*****************************************************************************/	276	/*****************************************************************************/
248		277
249	inline ev_tstamp	278	ev_tstamp
250	ev_time (void)	279	ev_time (void)
251	{	280	{
252	#if EV_USE_REALTIME	281	#if EV_USE_REALTIME
253	struct timespec ts;	282	struct timespec ts;
254	clock_gettime (CLOCK_REALTIME, &ts);	283	clock_gettime (CLOCK_REALTIME, &ts);
…		…
281	{	310	{
282	return ev_rt_now;	311	return ev_rt_now;
283	}	312	}
284	#endif	313	#endif
285		314
286	#define array_roundsize(type,n) ((n) \| 4 & ~3)	315	#define array_roundsize(type,n) (((n) \| 4) & ~3)
287		316
288	#define array_needsize(type,base,cur,cnt,init) \	317	#define array_needsize(type,base,cur,cnt,init) \
289	if (expect_false ((cnt) > cur)) \	318	if (expect_false ((cnt) > cur)) \
290	{ \	319	{ \
291	int newcnt = cur; \	320	int newcnt = cur; \
…		…
306	stem ## max = array_roundsize (stem ## cnt >> 1); \	335	stem ## max = array_roundsize (stem ## cnt >> 1); \
307	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\	336	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
308	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\	337	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
309	}	338	}
310		339
311	/* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */
312	/* bringing us everlasting joy in form of stupid extra macros that are not required in C */
313	#define array_free_microshit(stem) \
314	ev_free (stem ## s); stem ## cnt = stem ## max = 0;
315
316	#define array_free(stem, idx) \	340	#define array_free(stem, idx) \
317	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;	341	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
318		342
319	/*****************************************************************************/	343	/*****************************************************************************/
320		344
…		…
394	int events = 0;	418	int events = 0;
395		419
396	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	420	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
397	events \|= w->events;	421	events \|= w->events;
398		422
		423	#if EV_SELECT_IS_WINSOCKET
		424	if (events)
		425	{
		426	unsigned long argp;
		427	anfd->handle = _get_osfhandle (fd);
		428	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
		429	}
		430	#endif
		431
399	anfd->reify = 0;	432	anfd->reify = 0;
400		433
401	method_modify (EV_A_ fd, anfd->events, events);	434	method_modify (EV_A_ fd, anfd->events, events);
402	anfd->events = events;	435	anfd->events = events;
403	}	436	}
…		…
431	}	464	}
432		465
433	static int	466	static int
434	fd_valid (int fd)	467	fd_valid (int fd)
435	{	468	{
436	#ifdef WIN32	469	#ifdef _WIN32
437	return !!win32_get_osfhandle (fd);	470	return _get_osfhandle (fd) != -1;
438	#else	471	#else
439	return fcntl (fd, F_GETFD) != -1;	472	return fcntl (fd, F_GETFD) != -1;
440	#endif	473	#endif
441	}	474	}
442		475
…		…
523	heap [k] = w;	556	heap [k] = w;
524	((W)heap [k])->active = k + 1;	557	((W)heap [k])->active = k + 1;
525	}	558	}
526		559
527	inline void	560	inline void
528	adjustheap (WT *heap, int N, int k, ev_tstamp at)	561	adjustheap (WT *heap, int N, int k)
529	{	562	{
530	ev_tstamp old_at = heap [k]->at;	563	upheap (heap, k);
531	heap [k]->at = at;
532
533	if (old_at < at)
534	downheap (heap, N, k);	564	downheap (heap, N, k);
535	else
536	upheap (heap, k);
537	}	565	}
538		566
539	/*****************************************************************************/	567	/*****************************************************************************/
540		568
541	typedef struct	569	typedef struct
…		…
564	}	592	}
565		593
566	static void	594	static void
567	sighandler (int signum)	595	sighandler (int signum)
568	{	596	{
569	#if WIN32	597	#if _WIN32
570	signal (signum, sighandler);	598	signal (signum, sighandler);
571	#endif	599	#endif
572		600
573	signals [signum - 1].gotsig = 1;	601	signals [signum - 1].gotsig = 1;
574		602
575	if (!gotsig)	603	if (!gotsig)
576	{	604	{
577	int old_errno = errno;	605	int old_errno = errno;
578	gotsig = 1;	606	gotsig = 1;
579	#ifdef WIN32
580	send (sigpipe [1], &signum, 1, MSG_DONTWAIT);
581	#else
582	write (sigpipe [1], &signum, 1);	607	write (sigpipe [1], &signum, 1);
583	#endif
584	errno = old_errno;	608	errno = old_errno;
585	}	609	}
586	}	610	}
587		611
588	void	612	void
…		…
608	static void	632	static void
609	sigcb (EV_P_ struct ev_io *iow, int revents)	633	sigcb (EV_P_ struct ev_io *iow, int revents)
610	{	634	{
611	int signum;	635	int signum;
612		636
613	#ifdef WIN32
614	recv (sigpipe [0], &revents, 1, MSG_DONTWAIT);
615	#else
616	read (sigpipe [0], &revents, 1);	637	read (sigpipe [0], &revents, 1);
617	#endif
618	gotsig = 0;	638	gotsig = 0;
619		639
620	for (signum = signalmax; signum--; )	640	for (signum = signalmax; signum--; )
621	if (signals [signum].gotsig)	641	if (signals [signum].gotsig)
622	ev_feed_signal_event (EV_A_ signum + 1);	642	ev_feed_signal_event (EV_A_ signum + 1);
623	}	643	}
624		644
		645	inline void
		646	fd_intern (int fd)
		647	{
		648	#ifdef _WIN32
		649	int arg = 1;
		650	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
		651	#else
		652	fcntl (fd, F_SETFD, FD_CLOEXEC);
		653	fcntl (fd, F_SETFL, O_NONBLOCK);
		654	#endif
		655	}
		656
625	static void	657	static void
626	siginit (EV_P)	658	siginit (EV_P)
627	{	659	{
628	#ifndef WIN32	660	fd_intern (sigpipe [0]);
629	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	661	fd_intern (sigpipe [1]);
630	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
631
632	/* rather than sort out wether we really need nb, set it */
633	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
634	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
635	#endif
636		662
637	ev_io_set (&sigev, sigpipe [0], EV_READ);	663	ev_io_set (&sigev, sigpipe [0], EV_READ);
638	ev_io_start (EV_A_ &sigev);	664	ev_io_start (EV_A_ &sigev);
639	ev_unref (EV_A); /* child watcher should not keep loop alive */	665	ev_unref (EV_A); /* child watcher should not keep loop alive */
640	}	666	}
641		667
642	/*****************************************************************************/	668	/*****************************************************************************/
643		669
644	static struct ev_child *childs [PID_HASHSIZE];	670	static struct ev_child *childs [PID_HASHSIZE];
645		671
646	#ifndef WIN32	672	#ifndef _WIN32
647		673
648	static struct ev_signal childev;	674	static struct ev_signal childev;
649		675
650	#ifndef WCONTINUED	676	#ifndef WCONTINUED
651	# define WCONTINUED 0	677	# define WCONTINUED 0
…		…
712		738
713	/* return true if we are running with elevated privileges and should ignore env variables */	739	/* return true if we are running with elevated privileges and should ignore env variables */
714	static int	740	static int
715	enable_secure (void)	741	enable_secure (void)
716	{	742	{
717	#ifdef WIN32	743	#ifdef _WIN32
718	return 0;	744	return 0;
719	#else	745	#else
720	return getuid () != geteuid ()	746	return getuid () != geteuid ()
721	\|\| getgid () != getegid ();	747	\|\| getgid () != getegid ();
722	#endif	748	#endif
…		…
727	{	753	{
728	return method;	754	return method;
729	}	755	}
730		756
731	static void	757	static void
732	loop_init (EV_P_ int methods)	758	loop_init (EV_P_ unsigned int flags)
733	{	759	{
734	if (!method)	760	if (!method)
735	{	761	{
736	#if EV_USE_MONOTONIC	762	#if EV_USE_MONOTONIC
737	{	763	{
…		…
744	ev_rt_now = ev_time ();	770	ev_rt_now = ev_time ();
745	mn_now = get_clock ();	771	mn_now = get_clock ();
746	now_floor = mn_now;	772	now_floor = mn_now;
747	rtmn_diff = ev_rt_now - mn_now;	773	rtmn_diff = ev_rt_now - mn_now;
748		774
749	if (methods == EVMETHOD_AUTO)	775	if (!(flags & EVMETHOD_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS"))
750	if (!enable_secure () && getenv ("LIBEV_METHODS"))
751	methods = atoi (getenv ("LIBEV_METHODS"));	776	flags = atoi (getenv ("LIBEV_FLAGS"));
752	else	777
753	methods = EVMETHOD_ANY;	778	if (!(flags & 0x0000ffff))
		779	flags \|= 0x0000ffff;
754		780
755	method = 0;	781	method = 0;
756	#if EV_USE_WIN32
757	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);
758	#endif
759	#if EV_USE_KQUEUE	782	#if EV_USE_KQUEUE
760	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	783	if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags);
761	#endif	784	#endif
762	#if EV_USE_EPOLL	785	#if EV_USE_EPOLL
763	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	786	if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags);
764	#endif	787	#endif
765	#if EV_USE_POLL	788	#if EV_USE_POLL
766	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	789	if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags);
767	#endif	790	#endif
768	#if EV_USE_SELECT	791	#if EV_USE_SELECT
769	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	792	if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags);
770	#endif	793	#endif
771		794
772	ev_init (&sigev, sigcb);	795	ev_init (&sigev, sigcb);
773	ev_set_priority (&sigev, EV_MAXPRI);	796	ev_set_priority (&sigev, EV_MAXPRI);
774	}	797	}
…		…
777	void	800	void
778	loop_destroy (EV_P)	801	loop_destroy (EV_P)
779	{	802	{
780	int i;	803	int i;
781		804
782	#if EV_USE_WIN32
783	if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);
784	#endif
785	#if EV_USE_KQUEUE	805	#if EV_USE_KQUEUE
786	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);	806	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
787	#endif	807	#endif
788	#if EV_USE_EPOLL	808	#if EV_USE_EPOLL
789	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);	809	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);
…		…
797		817
798	for (i = NUMPRI; i--; )	818	for (i = NUMPRI; i--; )
799	array_free (pending, [i]);	819	array_free (pending, [i]);
800		820
801	/* have to use the microsoft-never-gets-it-right macro */	821	/* have to use the microsoft-never-gets-it-right macro */
802	array_free_microshit (fdchange);	822	array_free (fdchange, EMPTY);
803	array_free_microshit (timer);	823	array_free (timer, EMPTY);
804	array_free_microshit (periodic);	824	#if EV_PERIODICS
805	array_free_microshit (idle);	825	array_free (periodic, EMPTY);
806	array_free_microshit (prepare);	826	#endif
807	array_free_microshit (check);	827	array_free (idle, EMPTY);
		828	array_free (prepare, EMPTY);
		829	array_free (check, EMPTY);
808		830
809	method = 0;	831	method = 0;
810	}	832	}
811		833
812	static void	834	static void
…		…
837	postfork = 0;	859	postfork = 0;
838	}	860	}
839		861
840	#if EV_MULTIPLICITY	862	#if EV_MULTIPLICITY
841	struct ev_loop *	863	struct ev_loop *
842	ev_loop_new (int methods)	864	ev_loop_new (unsigned int flags)
843	{	865	{
844	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));	866	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
845		867
846	memset (loop, 0, sizeof (struct ev_loop));	868	memset (loop, 0, sizeof (struct ev_loop));
847		869
848	loop_init (EV_A_ methods);	870	loop_init (EV_A_ flags);
849		871
850	if (ev_method (EV_A))	872	if (ev_method (EV_A))
851	return loop;	873	return loop;
852		874
853	return 0;	875	return 0;
…		…
871	#if EV_MULTIPLICITY	893	#if EV_MULTIPLICITY
872	struct ev_loop *	894	struct ev_loop *
873	#else	895	#else
874	int	896	int
875	#endif	897	#endif
876	ev_default_loop (int methods)	898	ev_default_loop (unsigned int flags)
877	{	899	{
878	if (sigpipe [0] == sigpipe [1])	900	if (sigpipe [0] == sigpipe [1])
879	if (pipe (sigpipe))	901	if (pipe (sigpipe))
880	return 0;	902	return 0;
881		903
…		…
885	struct ev_loop *loop = default_loop = &default_loop_struct;	907	struct ev_loop *loop = default_loop = &default_loop_struct;
886	#else	908	#else
887	default_loop = 1;	909	default_loop = 1;
888	#endif	910	#endif
889		911
890	loop_init (EV_A_ methods);	912	loop_init (EV_A_ flags);
891		913
892	if (ev_method (EV_A))	914	if (ev_method (EV_A))
893	{	915	{
894	siginit (EV_A);	916	siginit (EV_A);
895		917
896	#ifndef WIN32	918	#ifndef _WIN32
897	ev_signal_init (&childev, childcb, SIGCHLD);	919	ev_signal_init (&childev, childcb, SIGCHLD);
898	ev_set_priority (&childev, EV_MAXPRI);	920	ev_set_priority (&childev, EV_MAXPRI);
899	ev_signal_start (EV_A_ &childev);	921	ev_signal_start (EV_A_ &childev);
900	ev_unref (EV_A); /* child watcher should not keep loop alive */	922	ev_unref (EV_A); /* child watcher should not keep loop alive */
901	#endif	923	#endif
…		…
912	{	934	{
913	#if EV_MULTIPLICITY	935	#if EV_MULTIPLICITY
914	struct ev_loop *loop = default_loop;	936	struct ev_loop *loop = default_loop;
915	#endif	937	#endif
916		938
917	#ifndef WIN32	939	#ifndef _WIN32
918	ev_ref (EV_A); /* child watcher */	940	ev_ref (EV_A); /* child watcher */
919	ev_signal_stop (EV_A_ &childev);	941	ev_signal_stop (EV_A_ &childev);
920	#endif	942	#endif
921		943
922	ev_ref (EV_A); /* signal watcher */	944	ev_ref (EV_A); /* signal watcher */
…		…
982		1004
983	/* first reschedule or stop timer */	1005	/* first reschedule or stop timer */
984	if (w->repeat)	1006	if (w->repeat)
985	{	1007	{
986	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1008	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
		1009
987	((WT)w)->at = mn_now + w->repeat;	1010	((WT)w)->at += w->repeat;
		1011	if (((WT)w)->at < mn_now)
		1012	((WT)w)->at = mn_now;
		1013
988	downheap ((WT *)timers, timercnt, 0);	1014	downheap ((WT *)timers, timercnt, 0);
989	}	1015	}
990	else	1016	else
991	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1017	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
992		1018
993	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1019	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
994	}	1020	}
995	}	1021	}
996		1022
		1023	#if EV_PERIODICS
997	static void	1024	static void
998	periodics_reify (EV_P)	1025	periodics_reify (EV_P)
999	{	1026	{
1000	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)	1027	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1001	{	1028	{
…		…
1004	assert (("inactive timer on periodic heap detected", ev_is_active (w)));	1031	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
1005		1032
1006	/* first reschedule or stop timer */	1033	/* first reschedule or stop timer */
1007	if (w->reschedule_cb)	1034	if (w->reschedule_cb)
1008	{	1035	{
1009	ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);	1036	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
1010
1011	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));	1037	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1012	downheap ((WT *)periodics, periodiccnt, 0);	1038	downheap ((WT *)periodics, periodiccnt, 0);
1013	}	1039	}
1014	else if (w->interval)	1040	else if (w->interval)
1015	{	1041	{
…		…
1042		1068
1043	/* now rebuild the heap */	1069	/* now rebuild the heap */
1044	for (i = periodiccnt >> 1; i--; )	1070	for (i = periodiccnt >> 1; i--; )
1045	downheap ((WT *)periodics, periodiccnt, i);	1071	downheap ((WT *)periodics, periodiccnt, i);
1046	}	1072	}
		1073	#endif
1047		1074
1048	inline int	1075	inline int
1049	time_update_monotonic (EV_P)	1076	time_update_monotonic (EV_P)
1050	{	1077	{
1051	mn_now = get_clock ();	1078	mn_now = get_clock ();
…		…
1085	ev_rt_now = ev_time ();	1112	ev_rt_now = ev_time ();
1086	mn_now = get_clock ();	1113	mn_now = get_clock ();
1087	now_floor = mn_now;	1114	now_floor = mn_now;
1088	}	1115	}
1089		1116
		1117	# if EV_PERIODICS
1090	periodics_reschedule (EV_A);	1118	periodics_reschedule (EV_A);
		1119	# endif
1091	/* no timer adjustment, as the monotonic clock doesn't jump */	1120	/* no timer adjustment, as the monotonic clock doesn't jump */
1092	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */	1121	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1093	}	1122	}
1094	}	1123	}
1095	else	1124	else
…		…
1097	{	1126	{
1098	ev_rt_now = ev_time ();	1127	ev_rt_now = ev_time ();
1099		1128
1100	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1129	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
1101	{	1130	{
		1131	#if EV_PERIODICS
1102	periodics_reschedule (EV_A);	1132	periodics_reschedule (EV_A);
		1133	#endif
1103		1134
1104	/* adjust timers. this is easy, as the offset is the same for all */	1135	/* adjust timers. this is easy, as the offset is the same for all */
1105	for (i = 0; i < timercnt; ++i)	1136	for (i = 0; i < timercnt; ++i)
1106	((WT)timers [i])->at += ev_rt_now - mn_now;	1137	((WT)timers [i])->at += ev_rt_now - mn_now;
1107	}	1138	}
…		…
1170	{	1201	{
1171	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;	1202	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
1172	if (block > to) block = to;	1203	if (block > to) block = to;
1173	}	1204	}
1174		1205
		1206	#if EV_PERIODICS
1175	if (periodiccnt)	1207	if (periodiccnt)
1176	{	1208	{
1177	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;	1209	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
1178	if (block > to) block = to;	1210	if (block > to) block = to;
1179	}	1211	}
		1212	#endif
1180		1213
1181	if (block < 0.) block = 0.;	1214	if (block < 0.) block = 0.;
1182	}	1215	}
1183		1216
1184	method_poll (EV_A_ block);	1217	method_poll (EV_A_ block);
…		…
1186	/* update ev_rt_now, do magic */	1219	/* update ev_rt_now, do magic */
1187	time_update (EV_A);	1220	time_update (EV_A);
1188		1221
1189	/* queue pending timers and reschedule them */	1222	/* queue pending timers and reschedule them */
1190	timers_reify (EV_A); /* relative timers called last */	1223	timers_reify (EV_A); /* relative timers called last */
		1224	#if EV_PERIODICS
1191	periodics_reify (EV_A); /* absolute timers called first */	1225	periodics_reify (EV_A); /* absolute timers called first */
		1226	#endif
1192		1227
1193	/* queue idle watchers unless io or timers are pending */	1228	/* queue idle watchers unless io or timers are pending */
1194	if (idlecnt && !any_pending (EV_A))	1229	if (idlecnt && !any_pending (EV_A))
1195	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1230	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
1196		1231
…		…
1287	{	1322	{
1288	ev_clear_pending (EV_A_ (W)w);	1323	ev_clear_pending (EV_A_ (W)w);
1289	if (!ev_is_active (w))	1324	if (!ev_is_active (w))
1290	return;	1325	return;
1291		1326
		1327	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
		1328
1292	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1329	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
1293	ev_stop (EV_A_ (W)w);	1330	ev_stop (EV_A_ (W)w);
1294		1331
1295	fd_change (EV_A_ w->fd);	1332	fd_change (EV_A_ w->fd);
1296	}	1333	}
…		…
1323	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1360	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1324		1361
1325	if (((W)w)->active < timercnt--)	1362	if (((W)w)->active < timercnt--)
1326	{	1363	{
1327	timers [((W)w)->active - 1] = timers [timercnt];	1364	timers [((W)w)->active - 1] = timers [timercnt];
1328	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1365	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1329	}	1366	}
1330		1367
1331	((WT)w)->at = w->repeat;	1368	((WT)w)->at -= mn_now;
1332		1369
1333	ev_stop (EV_A_ (W)w);	1370	ev_stop (EV_A_ (W)w);
1334	}	1371	}
1335		1372
1336	void	1373	void
1337	ev_timer_again (EV_P_ struct ev_timer *w)	1374	ev_timer_again (EV_P_ struct ev_timer *w)
1338	{	1375	{
1339	if (ev_is_active (w))	1376	if (ev_is_active (w))
1340	{	1377	{
1341	if (w->repeat)	1378	if (w->repeat)
		1379	{
		1380	((WT)w)->at = mn_now + w->repeat;
1342	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1, mn_now + w->repeat);	1381	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
		1382	}
1343	else	1383	else
1344	ev_timer_stop (EV_A_ w);	1384	ev_timer_stop (EV_A_ w);
1345	}	1385	}
1346	else if (w->repeat)	1386	else if (w->repeat)
1347	ev_timer_start (EV_A_ w);	1387	ev_timer_start (EV_A_ w);
1348	}	1388	}
1349		1389
		1390	#if EV_PERIODICS
1350	void	1391	void
1351	ev_periodic_start (EV_P_ struct ev_periodic *w)	1392	ev_periodic_start (EV_P_ struct ev_periodic *w)
1352	{	1393	{
1353	if (ev_is_active (w))	1394	if (ev_is_active (w))
1354	return;	1395	return;
…		…
1380	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1421	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1381		1422
1382	if (((W)w)->active < periodiccnt--)	1423	if (((W)w)->active < periodiccnt--)
1383	{	1424	{
1384	periodics [((W)w)->active - 1] = periodics [periodiccnt];	1425	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1385	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);	1426	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1386	}	1427	}
1387		1428
1388	ev_stop (EV_A_ (W)w);	1429	ev_stop (EV_A_ (W)w);
1389	}	1430	}
1390		1431
…		…
1393	{	1434	{
1394	/* TODO: use adjustheap and recalculation */	1435	/* TODO: use adjustheap and recalculation */
1395	ev_periodic_stop (EV_A_ w);	1436	ev_periodic_stop (EV_A_ w);
1396	ev_periodic_start (EV_A_ w);	1437	ev_periodic_start (EV_A_ w);
1397	}	1438	}
		1439	#endif
1398		1440
1399	void	1441	void
1400	ev_idle_start (EV_P_ struct ev_idle *w)	1442	ev_idle_start (EV_P_ struct ev_idle *w)
1401	{	1443	{
1402	if (ev_is_active (w))	1444	if (ev_is_active (w))
…		…
1409		1451
1410	void	1452	void
1411	ev_idle_stop (EV_P_ struct ev_idle *w)	1453	ev_idle_stop (EV_P_ struct ev_idle *w)
1412	{	1454	{
1413	ev_clear_pending (EV_A_ (W)w);	1455	ev_clear_pending (EV_A_ (W)w);
1414	if (ev_is_active (w))	1456	if (!ev_is_active (w))
1415	return;	1457	return;
1416		1458
1417	idles [((W)w)->active - 1] = idles [--idlecnt];	1459	idles [((W)w)->active - 1] = idles [--idlecnt];
1418	ev_stop (EV_A_ (W)w);	1460	ev_stop (EV_A_ (W)w);
1419	}	1461	}
…		…
1431		1473
1432	void	1474	void
1433	ev_prepare_stop (EV_P_ struct ev_prepare *w)	1475	ev_prepare_stop (EV_P_ struct ev_prepare *w)
1434	{	1476	{
1435	ev_clear_pending (EV_A_ (W)w);	1477	ev_clear_pending (EV_A_ (W)w);
1436	if (ev_is_active (w))	1478	if (!ev_is_active (w))
1437	return;	1479	return;
1438		1480
1439	prepares [((W)w)->active - 1] = prepares [--preparecnt];	1481	prepares [((W)w)->active - 1] = prepares [--preparecnt];
1440	ev_stop (EV_A_ (W)w);	1482	ev_stop (EV_A_ (W)w);
1441	}	1483	}
…		…
1453		1495
1454	void	1496	void
1455	ev_check_stop (EV_P_ struct ev_check *w)	1497	ev_check_stop (EV_P_ struct ev_check *w)
1456	{	1498	{
1457	ev_clear_pending (EV_A_ (W)w);	1499	ev_clear_pending (EV_A_ (W)w);
1458	if (ev_is_active (w))	1500	if (!ev_is_active (w))
1459	return;	1501	return;
1460		1502
1461	checks [((W)w)->active - 1] = checks [--checkcnt];	1503	checks [((W)w)->active - 1] = checks [--checkcnt];
1462	ev_stop (EV_A_ (W)w);	1504	ev_stop (EV_A_ (W)w);
1463	}	1505	}
…		…
1481	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);	1523	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1482	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1524	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1483		1525
1484	if (!((WL)w)->next)	1526	if (!((WL)w)->next)
1485	{	1527	{
1486	#if WIN32	1528	#if _WIN32
1487	signal (w->signum, sighandler);	1529	signal (w->signum, sighandler);
1488	#else	1530	#else
1489	struct sigaction sa;	1531	struct sigaction sa;
1490	sa.sa_handler = sighandler;	1532	sa.sa_handler = sighandler;
1491	sigfillset (&sa.sa_mask);	1533	sigfillset (&sa.sa_mask);
…		…
1524		1566
1525	void	1567	void
1526	ev_child_stop (EV_P_ struct ev_child *w)	1568	ev_child_stop (EV_P_ struct ev_child *w)
1527	{	1569	{
1528	ev_clear_pending (EV_A_ (W)w);	1570	ev_clear_pending (EV_A_ (W)w);
1529	if (ev_is_active (w))	1571	if (!ev_is_active (w))
1530	return;	1572	return;
1531		1573
1532	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1574	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1533	ev_stop (EV_A_ (W)w);	1575	ev_stop (EV_A_ (W)w);
1534	}	1576	}
…		…
1594	ev_timer_start (EV_A_ &once->to);	1636	ev_timer_start (EV_A_ &once->to);
1595	}	1637	}
1596	}	1638	}
1597	}	1639	}
1598		1640
		1641	#ifdef __cplusplus
		1642	}
		1643	#endif
		1644

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Comparing libev/ev.c (file contents): Revision 1.86 by root, Sat Nov 10 03:19:21 2007 UTC vs. Revision 1.110 by root, Mon Nov 12 05:56:49 2007 UTC

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Comparing libev/ev.c (file contents):
Revision 1.86 by root, Sat Nov 10 03:19:21 2007 UTC vs.
Revision 1.110 by root, Mon Nov 12 05:56:49 2007 UTC