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

Comparing libev/ev.c (file contents):
Revision 1.75 by root, Tue Nov 6 19:29:20 2007 UTC vs.
Revision 1.115 by root, Wed Nov 14 04:53:21 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) */
127	#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */	148	#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */
128	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */	149	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */
129	/#define CLEANUP_INTERVAL 300. / how often to try to free memory and re-check fds */	150	/#define CLEANUP_INTERVAL 300. / how often to try to free memory and re-check fds */
130		151
		152	#ifdef EV_H
		153	# include EV_H
		154	#else
131	#include "ev.h"	155	# include "ev.h"
		156	#endif
132		157
133	#if __GNUC__ >= 3	158	#if __GNUC__ >= 3
134	# define expect(expr,value) __builtin_expect ((expr),(value))	159	# define expect(expr,value) __builtin_expect ((expr),(value))
135	# define inline inline	160	# define inline inline
136	#else	161	#else
…		…
142	#define expect_true(expr) expect ((expr) != 0, 1)	167	#define expect_true(expr) expect ((expr) != 0, 1)
143		168
144	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	169	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
145	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	170	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
146		171
		172	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
		173	#define EMPTY2(a,b) /* used to suppress some warnings */
		174
147	typedef struct ev_watcher *W;	175	typedef struct ev_watcher *W;
148	typedef struct ev_watcher_list *WL;	176	typedef struct ev_watcher_list *WL;
149	typedef struct ev_watcher_time *WT;	177	typedef struct ev_watcher_time *WT;
150		178
151	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	179	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
152		180
		181	#ifdef _WIN32
153	#include "ev_win32.c"	182	# include "ev_win32.c"
		183	#endif
154		184
155	/*****************************************************************************/	185	/*****************************************************************************/
156		186
157	static void (syserr_cb)(const char msg);	187	static void (syserr_cb)(const char msg);
158		188
…		…
205	typedef struct	235	typedef struct
206	{	236	{
207	WL head;	237	WL head;
208	unsigned char events;	238	unsigned char events;
209	unsigned char reify;	239	unsigned char reify;
		240	#if EV_SELECT_IS_WINSOCKET
		241	SOCKET handle;
		242	#endif
210	} ANFD;	243	} ANFD;
211		244
212	typedef struct	245	typedef struct
213	{	246	{
214	W w;	247	W w;
215	int events;	248	int events;
216	} ANPENDING;	249	} ANPENDING;
217		250
218	#if EV_MULTIPLICITY	251	#if EV_MULTIPLICITY
219		252
220	struct ev_loop	253	struct ev_loop
221	{	254	{
		255	ev_tstamp ev_rt_now;
		256	#define ev_rt_now ((loop)->ev_rt_now)
222	# define VAR(name,decl) decl;	257	#define VAR(name,decl) decl;
223	# include "ev_vars.h"	258	#include "ev_vars.h"
224	};
225	# undef VAR	259	#undef VAR
		260	};
226	# include "ev_wrap.h"	261	#include "ev_wrap.h"
		262
		263	struct ev_loop default_loop_struct;
		264	static struct ev_loop *default_loop;
227		265
228	#else	266	#else
229		267
		268	ev_tstamp ev_rt_now;
230	# define VAR(name,decl) static decl;	269	#define VAR(name,decl) static decl;
231	# include "ev_vars.h"	270	#include "ev_vars.h"
232	# undef VAR	271	#undef VAR
		272
		273	static int default_loop;
233		274
234	#endif	275	#endif
235		276
236	/*****************************************************************************/	277	/*****************************************************************************/
237		278
238	inline ev_tstamp	279	ev_tstamp
239	ev_time (void)	280	ev_time (void)
240	{	281	{
241	#if EV_USE_REALTIME	282	#if EV_USE_REALTIME
242	struct timespec ts;	283	struct timespec ts;
243	clock_gettime (CLOCK_REALTIME, &ts);	284	clock_gettime (CLOCK_REALTIME, &ts);
…		…
262	#endif	303	#endif
263		304
264	return ev_time ();	305	return ev_time ();
265	}	306	}
266		307
		308	#if EV_MULTIPLICITY
267	ev_tstamp	309	ev_tstamp
268	ev_now (EV_P)	310	ev_now (EV_P)
269	{	311	{
270	return rt_now;	312	return ev_rt_now;
271	}	313	}
		314	#endif
272		315
273	#define array_roundsize(type,n) ((n) \| 4 & ~3)	316	#define array_roundsize(type,n) (((n) \| 4) & ~3)
274		317
275	#define array_needsize(type,base,cur,cnt,init) \	318	#define array_needsize(type,base,cur,cnt,init) \
276	if (expect_false ((cnt) > cur)) \	319	if (expect_false ((cnt) > cur)) \
277	{ \	320	{ \
278	int newcnt = cur; \	321	int newcnt = cur; \
…		…
293	stem ## max = array_roundsize (stem ## cnt >> 1); \	336	stem ## max = array_roundsize (stem ## cnt >> 1); \
294	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\	337	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
295	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\	338	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
296	}	339	}
297		340
298	/* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */
299	/* bringing us everlasting joy in form of stupid extra macros that are not required in C */
300	#define array_free_microshit(stem) \
301	ev_free (stem ## s); stem ## cnt = stem ## max = 0;
302
303	#define array_free(stem, idx) \	341	#define array_free(stem, idx) \
304	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;	342	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
305		343
306	/*****************************************************************************/	344	/*****************************************************************************/
307		345
…		…
316		354
317	++base;	355	++base;
318	}	356	}
319	}	357	}
320		358
321	static void	359	void
322	event (EV_P_ W w, int events)	360	ev_feed_event (EV_P_ void *w, int revents)
323	{	361	{
		362	W w_ = (W)w;
		363
324	if (w->pending)	364	if (w_->pending)
325	{	365	{
326	pendings [ABSPRI (w)][w->pending - 1].events \|= events;	366	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
327	return;	367	return;
328	}	368	}
329		369
330	w->pending = ++pendingcnt [ABSPRI (w)];	370	w_->pending = ++pendingcnt [ABSPRI (w_)];
331	array_needsize (ANPENDING, pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], (void));	371	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
332	pendings [ABSPRI (w)][w->pending - 1].w = w;	372	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
333	pendings [ABSPRI (w)][w->pending - 1].events = events;	373	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
334	}	374	}
335		375
336	static void	376	static void
337	queue_events (EV_P_ W *events, int eventcnt, int type)	377	queue_events (EV_P_ W *events, int eventcnt, int type)
338	{	378	{
339	int i;	379	int i;
340		380
341	for (i = 0; i < eventcnt; ++i)	381	for (i = 0; i < eventcnt; ++i)
342	event (EV_A_ events [i], type);	382	ev_feed_event (EV_A_ events [i], type);
343	}	383	}
344		384
345	static void	385	inline void
346	fd_event (EV_P_ int fd, int events)	386	fd_event (EV_P_ int fd, int revents)
347	{	387	{
348	ANFD *anfd = anfds + fd;	388	ANFD *anfd = anfds + fd;
349	struct ev_io *w;	389	struct ev_io *w;
350		390
351	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	391	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
352	{	392	{
353	int ev = w->events & events;	393	int ev = w->events & revents;
354		394
355	if (ev)	395	if (ev)
356	event (EV_A_ (W)w, ev);	396	ev_feed_event (EV_A_ (W)w, ev);
357	}	397	}
		398	}
		399
		400	void
		401	ev_feed_fd_event (EV_P_ int fd, int revents)
		402	{
		403	fd_event (EV_A_ fd, revents);
358	}	404	}
359		405
360	/*****************************************************************************/	406	/*****************************************************************************/
361		407
362	static void	408	static void
…		…
373	int events = 0;	419	int events = 0;
374		420
375	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	421	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
376	events \|= w->events;	422	events \|= w->events;
377		423
		424	#if EV_SELECT_IS_WINSOCKET
		425	if (events)
		426	{
		427	unsigned long argp;
		428	anfd->handle = _get_osfhandle (fd);
		429	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
		430	}
		431	#endif
		432
378	anfd->reify = 0;	433	anfd->reify = 0;
379		434
380	method_modify (EV_A_ fd, anfd->events, events);	435	method_modify (EV_A_ fd, anfd->events, events);
381	anfd->events = events;	436	anfd->events = events;
382	}	437	}
…		…
391	return;	446	return;
392		447
393	anfds [fd].reify = 1;	448	anfds [fd].reify = 1;
394		449
395	++fdchangecnt;	450	++fdchangecnt;
396	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void));	451	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
397	fdchanges [fdchangecnt - 1] = fd;	452	fdchanges [fdchangecnt - 1] = fd;
398	}	453	}
399		454
400	static void	455	static void
401	fd_kill (EV_P_ int fd)	456	fd_kill (EV_P_ int fd)
…		…
403	struct ev_io *w;	458	struct ev_io *w;
404		459
405	while ((w = (struct ev_io *)anfds [fd].head))	460	while ((w = (struct ev_io *)anfds [fd].head))
406	{	461	{
407	ev_io_stop (EV_A_ w);	462	ev_io_stop (EV_A_ w);
408	event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	463	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
409	}	464	}
410	}	465	}
411		466
412	static int	467	static int
413	fd_valid (int fd)	468	fd_valid (int fd)
414	{	469	{
415	#ifdef WIN32	470	#ifdef _WIN32
416	return !!win32_get_osfhandle (fd);	471	return _get_osfhandle (fd) != -1;
417	#else	472	#else
418	return fcntl (fd, F_GETFD) != -1;	473	return fcntl (fd, F_GETFD) != -1;
419	#endif	474	#endif
420	}	475	}
421		476
…		…
501		556
502	heap [k] = w;	557	heap [k] = w;
503	((W)heap [k])->active = k + 1;	558	((W)heap [k])->active = k + 1;
504	}	559	}
505		560
		561	inline void
		562	adjustheap (WT *heap, int N, int k)
		563	{
		564	upheap (heap, k);
		565	downheap (heap, N, k);
		566	}
		567
506	/*****************************************************************************/	568	/*****************************************************************************/
507		569
508	typedef struct	570	typedef struct
509	{	571	{
510	WL head;	572	WL head;
…		…
531	}	593	}
532		594
533	static void	595	static void
534	sighandler (int signum)	596	sighandler (int signum)
535	{	597	{
536	#if WIN32	598	#if _WIN32
537	signal (signum, sighandler);	599	signal (signum, sighandler);
538	#endif	600	#endif
539		601
540	signals [signum - 1].gotsig = 1;	602	signals [signum - 1].gotsig = 1;
541		603
542	if (!gotsig)	604	if (!gotsig)
543	{	605	{
544	int old_errno = errno;	606	int old_errno = errno;
545	gotsig = 1;	607	gotsig = 1;
546	#ifdef WIN32
547	send (sigpipe [1], &signum, 1, MSG_DONTWAIT);
548	#else
549	write (sigpipe [1], &signum, 1);	608	write (sigpipe [1], &signum, 1);
550	#endif
551	errno = old_errno;	609	errno = old_errno;
552	}	610	}
553	}	611	}
554		612
		613	void
		614	ev_feed_signal_event (EV_P_ int signum)
		615	{
		616	WL w;
		617
		618	#if EV_MULTIPLICITY
		619	assert (("feeding signal events is only supported in the default loop", loop == default_loop));
		620	#endif
		621
		622	--signum;
		623
		624	if (signum < 0 \|\| signum >= signalmax)
		625	return;
		626
		627	signals [signum].gotsig = 0;
		628
		629	for (w = signals [signum].head; w; w = w->next)
		630	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
		631	}
		632
555	static void	633	static void
556	sigcb (EV_P_ struct ev_io *iow, int revents)	634	sigcb (EV_P_ struct ev_io *iow, int revents)
557	{	635	{
558	WL w;
559	int signum;	636	int signum;
560		637
561	#ifdef WIN32
562	recv (sigpipe [0], &revents, 1, MSG_DONTWAIT);
563	#else
564	read (sigpipe [0], &revents, 1);	638	read (sigpipe [0], &revents, 1);
565	#endif
566	gotsig = 0;	639	gotsig = 0;
567		640
568	for (signum = signalmax; signum--; )	641	for (signum = signalmax; signum--; )
569	if (signals [signum].gotsig)	642	if (signals [signum].gotsig)
570	{	643	ev_feed_signal_event (EV_A_ signum + 1);
571	signals [signum].gotsig = 0;	644	}
572		645
573	for (w = signals [signum].head; w; w = w->next)	646	inline void
574	event (EV_A_ (W)w, EV_SIGNAL);	647	fd_intern (int fd)
575	}	648	{
		649	#ifdef _WIN32
		650	int arg = 1;
		651	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
		652	#else
		653	fcntl (fd, F_SETFD, FD_CLOEXEC);
		654	fcntl (fd, F_SETFL, O_NONBLOCK);
		655	#endif
576	}	656	}
577		657
578	static void	658	static void
579	siginit (EV_P)	659	siginit (EV_P)
580	{	660	{
581	#ifndef WIN32	661	fd_intern (sigpipe [0]);
582	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	662	fd_intern (sigpipe [1]);
583	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
584
585	/* rather than sort out wether we really need nb, set it */
586	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
587	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
588	#endif
589		663
590	ev_io_set (&sigev, sigpipe [0], EV_READ);	664	ev_io_set (&sigev, sigpipe [0], EV_READ);
591	ev_io_start (EV_A_ &sigev);	665	ev_io_start (EV_A_ &sigev);
592	ev_unref (EV_A); /* child watcher should not keep loop alive */	666	ev_unref (EV_A); /* child watcher should not keep loop alive */
593	}	667	}
594		668
595	/*****************************************************************************/	669	/*****************************************************************************/
596		670
597	static struct ev_child *childs [PID_HASHSIZE];	671	static struct ev_child *childs [PID_HASHSIZE];
598		672
599	#ifndef WIN32	673	#ifndef _WIN32
600		674
601	static struct ev_signal childev;	675	static struct ev_signal childev;
602		676
603	#ifndef WCONTINUED	677	#ifndef WCONTINUED
604	# define WCONTINUED 0	678	# define WCONTINUED 0
…		…
613	if (w->pid == pid \|\| !w->pid)	687	if (w->pid == pid \|\| !w->pid)
614	{	688	{
615	ev_priority (w) = ev_priority (sw); /* need to do it now */	689	ev_priority (w) = ev_priority (sw); /* need to do it now */
616	w->rpid = pid;	690	w->rpid = pid;
617	w->rstatus = status;	691	w->rstatus = status;
618	event (EV_A_ (W)w, EV_CHILD);	692	ev_feed_event (EV_A_ (W)w, EV_CHILD);
619	}	693	}
620	}	694	}
621		695
622	static void	696	static void
623	childcb (EV_P_ struct ev_signal *sw, int revents)	697	childcb (EV_P_ struct ev_signal *sw, int revents)
…		…
625	int pid, status;	699	int pid, status;
626		700
627	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))	701	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
628	{	702	{
629	/* make sure we are called again until all childs have been reaped */	703	/* make sure we are called again until all childs have been reaped */
630	event (EV_A_ (W)sw, EV_SIGNAL);	704	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
631		705
632	child_reap (EV_A_ sw, pid, pid, status);	706	child_reap (EV_A_ sw, pid, pid, status);
633	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */	707	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
634	}	708	}
635	}	709	}
…		…
665		739
666	/* return true if we are running with elevated privileges and should ignore env variables */	740	/* return true if we are running with elevated privileges and should ignore env variables */
667	static int	741	static int
668	enable_secure (void)	742	enable_secure (void)
669	{	743	{
670	#ifdef WIN32	744	#ifdef _WIN32
671	return 0;	745	return 0;
672	#else	746	#else
673	return getuid () != geteuid ()	747	return getuid () != geteuid ()
674	\|\| getgid () != getegid ();	748	\|\| getgid () != getegid ();
675	#endif	749	#endif
676	}	750	}
677		751
678	int	752	unsigned int
679	ev_method (EV_P)	753	ev_method (EV_P)
680	{	754	{
681	return method;	755	return method;
682	}	756	}
683		757
684	static void	758	static void
685	loop_init (EV_P_ int methods)	759	loop_init (EV_P_ unsigned int flags)
686	{	760	{
687	if (!method)	761	if (!method)
688	{	762	{
689	#if EV_USE_MONOTONIC	763	#if EV_USE_MONOTONIC
690	{	764	{
…		…
692	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	766	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
693	have_monotonic = 1;	767	have_monotonic = 1;
694	}	768	}
695	#endif	769	#endif
696		770
697	rt_now = ev_time ();	771	ev_rt_now = ev_time ();
698	mn_now = get_clock ();	772	mn_now = get_clock ();
699	now_floor = mn_now;	773	now_floor = mn_now;
700	rtmn_diff = rt_now - mn_now;	774	rtmn_diff = ev_rt_now - mn_now;
701		775
702	if (methods == EVMETHOD_AUTO)	776	if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS"))
703	if (!enable_secure () && getenv ("LIBEV_METHODS"))
704	methods = atoi (getenv ("LIBEV_METHODS"));	777	flags = atoi (getenv ("LIBEV_FLAGS"));
705	else	778
706	methods = EVMETHOD_ANY;	779	if (!(flags & 0x0000ffff))
		780	flags \|= 0x0000ffff;
707		781
708	method = 0;	782	method = 0;
709	#if EV_USE_WIN32
710	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);
711	#endif
712	#if EV_USE_KQUEUE	783	#if EV_USE_KQUEUE
713	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	784	if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags);
714	#endif	785	#endif
715	#if EV_USE_EPOLL	786	#if EV_USE_EPOLL
716	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	787	if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags);
717	#endif	788	#endif
718	#if EV_USE_POLL	789	#if EV_USE_POLL
719	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	790	if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags);
720	#endif	791	#endif
721	#if EV_USE_SELECT	792	#if EV_USE_SELECT
722	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	793	if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags);
723	#endif	794	#endif
724		795
725	ev_watcher_init (&sigev, sigcb);	796	ev_init (&sigev, sigcb);
726	ev_set_priority (&sigev, EV_MAXPRI);	797	ev_set_priority (&sigev, EV_MAXPRI);
727	}	798	}
728	}	799	}
729		800
730	void	801	void
731	loop_destroy (EV_P)	802	loop_destroy (EV_P)
732	{	803	{
733	int i;	804	int i;
734		805
735	#if EV_USE_WIN32
736	if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);
737	#endif
738	#if EV_USE_KQUEUE	806	#if EV_USE_KQUEUE
739	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);	807	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
740	#endif	808	#endif
741	#if EV_USE_EPOLL	809	#if EV_USE_EPOLL
742	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);	810	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);
…		…
750		818
751	for (i = NUMPRI; i--; )	819	for (i = NUMPRI; i--; )
752	array_free (pending, [i]);	820	array_free (pending, [i]);
753		821
754	/* have to use the microsoft-never-gets-it-right macro */	822	/* have to use the microsoft-never-gets-it-right macro */
755	array_free_microshit (fdchange);	823	array_free (fdchange, EMPTY0);
756	array_free_microshit (timer);	824	array_free (timer, EMPTY0);
757	array_free_microshit (periodic);	825	#if EV_PERIODICS
758	array_free_microshit (idle);	826	array_free (periodic, EMPTY0);
759	array_free_microshit (prepare);	827	#endif
760	array_free_microshit (check);	828	array_free (idle, EMPTY0);
		829	array_free (prepare, EMPTY0);
		830	array_free (check, EMPTY0);
761		831
762	method = 0;	832	method = 0;
763	}	833	}
764		834
765	static void	835	static void
…		…
790	postfork = 0;	860	postfork = 0;
791	}	861	}
792		862
793	#if EV_MULTIPLICITY	863	#if EV_MULTIPLICITY
794	struct ev_loop *	864	struct ev_loop *
795	ev_loop_new (int methods)	865	ev_loop_new (unsigned int flags)
796	{	866	{
797	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));	867	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
798		868
799	memset (loop, 0, sizeof (struct ev_loop));	869	memset (loop, 0, sizeof (struct ev_loop));
800		870
801	loop_init (EV_A_ methods);	871	loop_init (EV_A_ flags);
802		872
803	if (ev_method (EV_A))	873	if (ev_method (EV_A))
804	return loop;	874	return loop;
805		875
806	return 0;	876	return 0;
…		…
820	}	890	}
821		891
822	#endif	892	#endif
823		893
824	#if EV_MULTIPLICITY	894	#if EV_MULTIPLICITY
825	struct ev_loop default_loop_struct;
826	static struct ev_loop *default_loop;
827
828	struct ev_loop *	895	struct ev_loop *
829	#else	896	#else
830	static int default_loop;
831
832	int	897	int
833	#endif	898	#endif
834	ev_default_loop (int methods)	899	ev_default_loop (unsigned int flags)
835	{	900	{
836	if (sigpipe [0] == sigpipe [1])	901	if (sigpipe [0] == sigpipe [1])
837	if (pipe (sigpipe))	902	if (pipe (sigpipe))
838	return 0;	903	return 0;
839		904
…		…
843	struct ev_loop *loop = default_loop = &default_loop_struct;	908	struct ev_loop *loop = default_loop = &default_loop_struct;
844	#else	909	#else
845	default_loop = 1;	910	default_loop = 1;
846	#endif	911	#endif
847		912
848	loop_init (EV_A_ methods);	913	loop_init (EV_A_ flags);
849		914
850	if (ev_method (EV_A))	915	if (ev_method (EV_A))
851	{	916	{
852	siginit (EV_A);	917	siginit (EV_A);
853		918
854	#ifndef WIN32	919	#ifndef _WIN32
855	ev_signal_init (&childev, childcb, SIGCHLD);	920	ev_signal_init (&childev, childcb, SIGCHLD);
856	ev_set_priority (&childev, EV_MAXPRI);	921	ev_set_priority (&childev, EV_MAXPRI);
857	ev_signal_start (EV_A_ &childev);	922	ev_signal_start (EV_A_ &childev);
858	ev_unref (EV_A); /* child watcher should not keep loop alive */	923	ev_unref (EV_A); /* child watcher should not keep loop alive */
859	#endif	924	#endif
…		…
870	{	935	{
871	#if EV_MULTIPLICITY	936	#if EV_MULTIPLICITY
872	struct ev_loop *loop = default_loop;	937	struct ev_loop *loop = default_loop;
873	#endif	938	#endif
874		939
875	#ifndef WIN32	940	#ifndef _WIN32
876	ev_ref (EV_A); /* child watcher */	941	ev_ref (EV_A); /* child watcher */
877	ev_signal_stop (EV_A_ &childev);	942	ev_signal_stop (EV_A_ &childev);
878	#endif	943	#endif
879		944
880	ev_ref (EV_A); /* signal watcher */	945	ev_ref (EV_A); /* signal watcher */
…		…
896	if (method)	961	if (method)
897	postfork = 1;	962	postfork = 1;
898	}	963	}
899		964
900	/*****************************************************************************/	965	/*****************************************************************************/
		966
		967	static int
		968	any_pending (EV_P)
		969	{
		970	int pri;
		971
		972	for (pri = NUMPRI; pri--; )
		973	if (pendingcnt [pri])
		974	return 1;
		975
		976	return 0;
		977	}
901		978
902	static void	979	static void
903	call_pending (EV_P)	980	call_pending (EV_P)
904	{	981	{
905	int pri;	982	int pri;
…		…
910	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	987	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
911		988
912	if (p->w)	989	if (p->w)
913	{	990	{
914	p->w->pending = 0;	991	p->w->pending = 0;
915	p->w->cb (EV_A_ p->w, p->events);	992	EV_CB_INVOKE (p->w, p->events);
916	}	993	}
917	}	994	}
918	}	995	}
919		996
920	static void	997	static void
…		…
928		1005
929	/* first reschedule or stop timer */	1006	/* first reschedule or stop timer */
930	if (w->repeat)	1007	if (w->repeat)
931	{	1008	{
932	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1009	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
		1010
933	((WT)w)->at = mn_now + w->repeat;	1011	((WT)w)->at += w->repeat;
		1012	if (((WT)w)->at < mn_now)
		1013	((WT)w)->at = mn_now;
		1014
934	downheap ((WT *)timers, timercnt, 0);	1015	downheap ((WT *)timers, timercnt, 0);
935	}	1016	}
936	else	1017	else
937	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1018	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
938		1019
939	event (EV_A_ (W)w, EV_TIMEOUT);	1020	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
940	}	1021	}
941	}	1022	}
942		1023
		1024	#if EV_PERIODICS
943	static void	1025	static void
944	periodics_reify (EV_P)	1026	periodics_reify (EV_P)
945	{	1027	{
946	while (periodiccnt && ((WT)periodics [0])->at <= rt_now)	1028	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
947	{	1029	{
948	struct ev_periodic *w = periodics [0];	1030	struct ev_periodic *w = periodics [0];
949		1031
950	assert (("inactive timer on periodic heap detected", ev_is_active (w)));	1032	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
951		1033
952	/* first reschedule or stop timer */	1034	/* first reschedule or stop timer */
953	if (w->interval)	1035	if (w->reschedule_cb)
954	{	1036	{
		1037	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
		1038	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
		1039	downheap ((WT *)periodics, periodiccnt, 0);
		1040	}
		1041	else if (w->interval)
		1042	{
955	((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;	1043	((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
956	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now));	1044	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
957	downheap ((WT *)periodics, periodiccnt, 0);	1045	downheap ((WT *)periodics, periodiccnt, 0);
958	}	1046	}
959	else	1047	else
960	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1048	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
961		1049
962	event (EV_A_ (W)w, EV_PERIODIC);	1050	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
963	}	1051	}
964	}	1052	}
965		1053
966	static void	1054	static void
967	periodics_reschedule (EV_P)	1055	periodics_reschedule (EV_P)
…		…
971	/* adjust periodics after time jump */	1059	/* adjust periodics after time jump */
972	for (i = 0; i < periodiccnt; ++i)	1060	for (i = 0; i < periodiccnt; ++i)
973	{	1061	{
974	struct ev_periodic *w = periodics [i];	1062	struct ev_periodic *w = periodics [i];
975		1063
		1064	if (w->reschedule_cb)
		1065	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
976	if (w->interval)	1066	else if (w->interval)
977	{
978	ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;	1067	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
979
980	if (fabs (diff) >= 1e-4)
981	{
982	ev_periodic_stop (EV_A_ w);
983	ev_periodic_start (EV_A_ w);
984
985	i = 0; /* restart loop, inefficient, but time jumps should be rare */
986	}
987	}
988	}	1068	}
		1069
		1070	/* now rebuild the heap */
		1071	for (i = periodiccnt >> 1; i--; )
		1072	downheap ((WT *)periodics, periodiccnt, i);
989	}	1073	}
		1074	#endif
990		1075
991	inline int	1076	inline int
992	time_update_monotonic (EV_P)	1077	time_update_monotonic (EV_P)
993	{	1078	{
994	mn_now = get_clock ();	1079	mn_now = get_clock ();
995		1080
996	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1081	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
997	{	1082	{
998	rt_now = rtmn_diff + mn_now;	1083	ev_rt_now = rtmn_diff + mn_now;
999	return 0;	1084	return 0;
1000	}	1085	}
1001	else	1086	else
1002	{	1087	{
1003	now_floor = mn_now;	1088	now_floor = mn_now;
1004	rt_now = ev_time ();	1089	ev_rt_now = ev_time ();
1005	return 1;	1090	return 1;
1006	}	1091	}
1007	}	1092	}
1008		1093
1009	static void	1094	static void
…		…
1018	{	1103	{
1019	ev_tstamp odiff = rtmn_diff;	1104	ev_tstamp odiff = rtmn_diff;
1020		1105
1021	for (i = 4; --i; ) /* loop a few times, before making important decisions */	1106	for (i = 4; --i; ) /* loop a few times, before making important decisions */
1022	{	1107	{
1023	rtmn_diff = rt_now - mn_now;	1108	rtmn_diff = ev_rt_now - mn_now;
1024		1109
1025	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1110	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
1026	return; /* all is well */	1111	return; /* all is well */
1027		1112
1028	rt_now = ev_time ();	1113	ev_rt_now = ev_time ();
1029	mn_now = get_clock ();	1114	mn_now = get_clock ();
1030	now_floor = mn_now;	1115	now_floor = mn_now;
1031	}	1116	}
1032		1117
		1118	# if EV_PERIODICS
1033	periodics_reschedule (EV_A);	1119	periodics_reschedule (EV_A);
		1120	# endif
1034	/* no timer adjustment, as the monotonic clock doesn't jump */	1121	/* no timer adjustment, as the monotonic clock doesn't jump */
1035	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */	1122	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1036	}	1123	}
1037	}	1124	}
1038	else	1125	else
1039	#endif	1126	#endif
1040	{	1127	{
1041	rt_now = ev_time ();	1128	ev_rt_now = ev_time ();
1042		1129
1043	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1130	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
1044	{	1131	{
		1132	#if EV_PERIODICS
1045	periodics_reschedule (EV_A);	1133	periodics_reschedule (EV_A);
		1134	#endif
1046		1135
1047	/* adjust timers. this is easy, as the offset is the same for all */	1136	/* adjust timers. this is easy, as the offset is the same for all */
1048	for (i = 0; i < timercnt; ++i)	1137	for (i = 0; i < timercnt; ++i)
1049	((WT)timers [i])->at += rt_now - mn_now;	1138	((WT)timers [i])->at += ev_rt_now - mn_now;
1050	}	1139	}
1051		1140
1052	mn_now = rt_now;	1141	mn_now = ev_rt_now;
1053	}	1142	}
1054	}	1143	}
1055		1144
1056	void	1145	void
1057	ev_ref (EV_P)	1146	ev_ref (EV_P)
…		…
1071	ev_loop (EV_P_ int flags)	1160	ev_loop (EV_P_ int flags)
1072	{	1161	{
1073	double block;	1162	double block;
1074	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1163	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
1075		1164
1076	do	1165	while (activecnt)
1077	{	1166	{
1078	/* queue check watchers (and execute them) */	1167	/* queue check watchers (and execute them) */
1079	if (expect_false (preparecnt))	1168	if (expect_false (preparecnt))
1080	{	1169	{
1081	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1170	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
…		…
1089	/* update fd-related kernel structures */	1178	/* update fd-related kernel structures */
1090	fd_reify (EV_A);	1179	fd_reify (EV_A);
1091		1180
1092	/* calculate blocking time */	1181	/* calculate blocking time */
1093		1182
1094	/* we only need this for !monotonic clockor timers, but as we basically	1183	/* we only need this for !monotonic clock or timers, but as we basically
1095	always have timers, we just calculate it always */	1184	always have timers, we just calculate it always */
1096	#if EV_USE_MONOTONIC	1185	#if EV_USE_MONOTONIC
1097	if (expect_true (have_monotonic))	1186	if (expect_true (have_monotonic))
1098	time_update_monotonic (EV_A);	1187	time_update_monotonic (EV_A);
1099	else	1188	else
1100	#endif	1189	#endif
1101	{	1190	{
1102	rt_now = ev_time ();	1191	ev_rt_now = ev_time ();
1103	mn_now = rt_now;	1192	mn_now = ev_rt_now;
1104	}	1193	}
1105		1194
1106	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1195	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
1107	block = 0.;	1196	block = 0.;
1108	else	1197	else
…		…
1113	{	1202	{
1114	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;	1203	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
1115	if (block > to) block = to;	1204	if (block > to) block = to;
1116	}	1205	}
1117		1206
		1207	#if EV_PERIODICS
1118	if (periodiccnt)	1208	if (periodiccnt)
1119	{	1209	{
1120	ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;	1210	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
1121	if (block > to) block = to;	1211	if (block > to) block = to;
1122	}	1212	}
		1213	#endif
1123		1214
1124	if (block < 0.) block = 0.;	1215	if (block < 0.) block = 0.;
1125	}	1216	}
1126		1217
1127	method_poll (EV_A_ block);	1218	method_poll (EV_A_ block);
1128		1219
1129	/* update rt_now, do magic */	1220	/* update ev_rt_now, do magic */
1130	time_update (EV_A);	1221	time_update (EV_A);
1131		1222
1132	/* queue pending timers and reschedule them */	1223	/* queue pending timers and reschedule them */
1133	timers_reify (EV_A); /* relative timers called last */	1224	timers_reify (EV_A); /* relative timers called last */
		1225	#if EV_PERIODICS
1134	periodics_reify (EV_A); /* absolute timers called first */	1226	periodics_reify (EV_A); /* absolute timers called first */
		1227	#endif
1135		1228
1136	/* queue idle watchers unless io or timers are pending */	1229	/* queue idle watchers unless io or timers are pending */
1137	if (!pendingcnt)	1230	if (idlecnt && !any_pending (EV_A))
1138	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1231	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
1139		1232
1140	/* queue check watchers, to be executed first */	1233	/* queue check watchers, to be executed first */
1141	if (checkcnt)	1234	if (checkcnt)
1142	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1235	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1143		1236
1144	call_pending (EV_A);	1237	call_pending (EV_A);
		1238
		1239	if (loop_done)
		1240	break;
1145	}	1241	}
1146	while (activecnt && !loop_done);
1147		1242
1148	if (loop_done != 2)	1243	if (loop_done != 2)
1149	loop_done = 0;	1244	loop_done = 0;
1150	}	1245	}
1151		1246
…		…
1230	{	1325	{
1231	ev_clear_pending (EV_A_ (W)w);	1326	ev_clear_pending (EV_A_ (W)w);
1232	if (!ev_is_active (w))	1327	if (!ev_is_active (w))
1233	return;	1328	return;
1234		1329
		1330	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
		1331
1235	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1332	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
1236	ev_stop (EV_A_ (W)w);	1333	ev_stop (EV_A_ (W)w);
1237		1334
1238	fd_change (EV_A_ w->fd);	1335	fd_change (EV_A_ w->fd);
1239	}	1336	}
…		…
1247	((WT)w)->at += mn_now;	1344	((WT)w)->at += mn_now;
1248		1345
1249	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1346	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1250		1347
1251	ev_start (EV_A_ (W)w, ++timercnt);	1348	ev_start (EV_A_ (W)w, ++timercnt);
1252	array_needsize (struct ev_timer *, timers, timermax, timercnt, (void));	1349	array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2);
1253	timers [timercnt - 1] = w;	1350	timers [timercnt - 1] = w;
1254	upheap ((WT *)timers, timercnt - 1);	1351	upheap ((WT *)timers, timercnt - 1);
1255		1352
1256	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1353	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1257	}	1354	}
…		…
1266	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1363	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1267		1364
1268	if (((W)w)->active < timercnt--)	1365	if (((W)w)->active < timercnt--)
1269	{	1366	{
1270	timers [((W)w)->active - 1] = timers [timercnt];	1367	timers [((W)w)->active - 1] = timers [timercnt];
1271	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1368	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1272	}	1369	}
1273		1370
1274	((WT)w)->at = w->repeat;	1371	((WT)w)->at -= mn_now;
1275		1372
1276	ev_stop (EV_A_ (W)w);	1373	ev_stop (EV_A_ (W)w);
1277	}	1374	}
1278		1375
1279	void	1376	void
…		…
1282	if (ev_is_active (w))	1379	if (ev_is_active (w))
1283	{	1380	{
1284	if (w->repeat)	1381	if (w->repeat)
1285	{	1382	{
1286	((WT)w)->at = mn_now + w->repeat;	1383	((WT)w)->at = mn_now + w->repeat;
1287	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1384	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1288	}	1385	}
1289	else	1386	else
1290	ev_timer_stop (EV_A_ w);	1387	ev_timer_stop (EV_A_ w);
1291	}	1388	}
1292	else if (w->repeat)	1389	else if (w->repeat)
		1390	{
		1391	w->at = w->repeat;
1293	ev_timer_start (EV_A_ w);	1392	ev_timer_start (EV_A_ w);
		1393	}
1294	}	1394	}
1295		1395
		1396	#if EV_PERIODICS
1296	void	1397	void
1297	ev_periodic_start (EV_P_ struct ev_periodic *w)	1398	ev_periodic_start (EV_P_ struct ev_periodic *w)
1298	{	1399	{
1299	if (ev_is_active (w))	1400	if (ev_is_active (w))
1300	return;	1401	return;
1301		1402
		1403	if (w->reschedule_cb)
		1404	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
		1405	else if (w->interval)
		1406	{
1302	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1407	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1303
1304	/* this formula differs from the one in periodic_reify because we do not always round up */	1408	/* this formula differs from the one in periodic_reify because we do not always round up */
1305	if (w->interval)
1306	((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;	1409	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
		1410	}
1307		1411
1308	ev_start (EV_A_ (W)w, ++periodiccnt);	1412	ev_start (EV_A_ (W)w, ++periodiccnt);
1309	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void));	1413	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1310	periodics [periodiccnt - 1] = w;	1414	periodics [periodiccnt - 1] = w;
1311	upheap ((WT *)periodics, periodiccnt - 1);	1415	upheap ((WT *)periodics, periodiccnt - 1);
1312		1416
1313	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1417	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1314	}	1418	}
…		…
1323	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1427	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1324		1428
1325	if (((W)w)->active < periodiccnt--)	1429	if (((W)w)->active < periodiccnt--)
1326	{	1430	{
1327	periodics [((W)w)->active - 1] = periodics [periodiccnt];	1431	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1328	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);	1432	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1329	}	1433	}
1330		1434
1331	ev_stop (EV_A_ (W)w);	1435	ev_stop (EV_A_ (W)w);
1332	}	1436	}
1333		1437
1334	void	1438	void
		1439	ev_periodic_again (EV_P_ struct ev_periodic *w)
		1440	{
		1441	/* TODO: use adjustheap and recalculation */
		1442	ev_periodic_stop (EV_A_ w);
		1443	ev_periodic_start (EV_A_ w);
		1444	}
		1445	#endif
		1446
		1447	void
1335	ev_idle_start (EV_P_ struct ev_idle *w)	1448	ev_idle_start (EV_P_ struct ev_idle *w)
1336	{	1449	{
1337	if (ev_is_active (w))	1450	if (ev_is_active (w))
1338	return;	1451	return;
1339		1452
1340	ev_start (EV_A_ (W)w, ++idlecnt);	1453	ev_start (EV_A_ (W)w, ++idlecnt);
1341	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void));	1454	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1342	idles [idlecnt - 1] = w;	1455	idles [idlecnt - 1] = w;
1343	}	1456	}
1344		1457
1345	void	1458	void
1346	ev_idle_stop (EV_P_ struct ev_idle *w)	1459	ev_idle_stop (EV_P_ struct ev_idle *w)
1347	{	1460	{
1348	ev_clear_pending (EV_A_ (W)w);	1461	ev_clear_pending (EV_A_ (W)w);
1349	if (ev_is_active (w))	1462	if (!ev_is_active (w))
1350	return;	1463	return;
1351		1464
1352	idles [((W)w)->active - 1] = idles [--idlecnt];	1465	idles [((W)w)->active - 1] = idles [--idlecnt];
1353	ev_stop (EV_A_ (W)w);	1466	ev_stop (EV_A_ (W)w);
1354	}	1467	}
…		…
1358	{	1471	{
1359	if (ev_is_active (w))	1472	if (ev_is_active (w))
1360	return;	1473	return;
1361		1474
1362	ev_start (EV_A_ (W)w, ++preparecnt);	1475	ev_start (EV_A_ (W)w, ++preparecnt);
1363	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void));	1476	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1364	prepares [preparecnt - 1] = w;	1477	prepares [preparecnt - 1] = w;
1365	}	1478	}
1366		1479
1367	void	1480	void
1368	ev_prepare_stop (EV_P_ struct ev_prepare *w)	1481	ev_prepare_stop (EV_P_ struct ev_prepare *w)
1369	{	1482	{
1370	ev_clear_pending (EV_A_ (W)w);	1483	ev_clear_pending (EV_A_ (W)w);
1371	if (ev_is_active (w))	1484	if (!ev_is_active (w))
1372	return;	1485	return;
1373		1486
1374	prepares [((W)w)->active - 1] = prepares [--preparecnt];	1487	prepares [((W)w)->active - 1] = prepares [--preparecnt];
1375	ev_stop (EV_A_ (W)w);	1488	ev_stop (EV_A_ (W)w);
1376	}	1489	}
…		…
1380	{	1493	{
1381	if (ev_is_active (w))	1494	if (ev_is_active (w))
1382	return;	1495	return;
1383		1496
1384	ev_start (EV_A_ (W)w, ++checkcnt);	1497	ev_start (EV_A_ (W)w, ++checkcnt);
1385	array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void));	1498	array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2);
1386	checks [checkcnt - 1] = w;	1499	checks [checkcnt - 1] = w;
1387	}	1500	}
1388		1501
1389	void	1502	void
1390	ev_check_stop (EV_P_ struct ev_check *w)	1503	ev_check_stop (EV_P_ struct ev_check *w)
1391	{	1504	{
1392	ev_clear_pending (EV_A_ (W)w);	1505	ev_clear_pending (EV_A_ (W)w);
1393	if (ev_is_active (w))	1506	if (!ev_is_active (w))
1394	return;	1507	return;
1395		1508
1396	checks [((W)w)->active - 1] = checks [--checkcnt];	1509	checks [((W)w)->active - 1] = checks [--checkcnt];
1397	ev_stop (EV_A_ (W)w);	1510	ev_stop (EV_A_ (W)w);
1398	}	1511	}
…		…
1416	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);	1529	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1417	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1530	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1418		1531
1419	if (!((WL)w)->next)	1532	if (!((WL)w)->next)
1420	{	1533	{
1421	#if WIN32	1534	#if _WIN32
1422	signal (w->signum, sighandler);	1535	signal (w->signum, sighandler);
1423	#else	1536	#else
1424	struct sigaction sa;	1537	struct sigaction sa;
1425	sa.sa_handler = sighandler;	1538	sa.sa_handler = sighandler;
1426	sigfillset (&sa.sa_mask);	1539	sigfillset (&sa.sa_mask);
…		…
1459		1572
1460	void	1573	void
1461	ev_child_stop (EV_P_ struct ev_child *w)	1574	ev_child_stop (EV_P_ struct ev_child *w)
1462	{	1575	{
1463	ev_clear_pending (EV_A_ (W)w);	1576	ev_clear_pending (EV_A_ (W)w);
1464	if (ev_is_active (w))	1577	if (!ev_is_active (w))
1465	return;	1578	return;
1466		1579
1467	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1580	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1468	ev_stop (EV_A_ (W)w);	1581	ev_stop (EV_A_ (W)w);
1469	}	1582	}
…		…
1513	else	1626	else
1514	{	1627	{
1515	once->cb = cb;	1628	once->cb = cb;
1516	once->arg = arg;	1629	once->arg = arg;
1517		1630
1518	ev_watcher_init (&once->io, once_cb_io);	1631	ev_init (&once->io, once_cb_io);
1519	if (fd >= 0)	1632	if (fd >= 0)
1520	{	1633	{
1521	ev_io_set (&once->io, fd, events);	1634	ev_io_set (&once->io, fd, events);
1522	ev_io_start (EV_A_ &once->io);	1635	ev_io_start (EV_A_ &once->io);
1523	}	1636	}
1524		1637
1525	ev_watcher_init (&once->to, once_cb_to);	1638	ev_init (&once->to, once_cb_to);
1526	if (timeout >= 0.)	1639	if (timeout >= 0.)
1527	{	1640	{
1528	ev_timer_set (&once->to, timeout, 0.);	1641	ev_timer_set (&once->to, timeout, 0.);
1529	ev_timer_start (EV_A_ &once->to);	1642	ev_timer_start (EV_A_ &once->to);
1530	}	1643	}
1531	}	1644	}
1532	}	1645	}
1533		1646
		1647	#ifdef __cplusplus
		1648	}
		1649	#endif
		1650

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Comparing libev/ev.c (file contents): Revision 1.75 by root, Tue Nov 6 19:29:20 2007 UTC vs. Revision 1.115 by root, Wed Nov 14 04:53:21 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.75 by root, Tue Nov 6 19:29:20 2007 UTC vs.
Revision 1.115 by root, Wed Nov 14 04:53:21 2007 UTC