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

Comparing libev/ev.c (file contents):
Revision 1.73 by root, Tue Nov 6 16:27:10 2007 UTC vs.
Revision 1.109 by root, Mon Nov 12 05:53:55 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 EMPTY /* required for microsofts broken pseudo-c compiler */
		173
147	typedef struct ev_watcher *W;	174	typedef struct ev_watcher *W;
148	typedef struct ev_watcher_list *WL;	175	typedef struct ev_watcher_list *WL;
149	typedef struct ev_watcher_time *WT;	176	typedef struct ev_watcher_time *WT;
150		177
151	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	178	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
152		179
		180	#ifdef _WIN32
153	#include "ev_win32.c"	181	# include "ev_win32.c"
		182	#endif
154		183
155	/*****************************************************************************/	184	/*****************************************************************************/
156		185
157	static void (syserr_cb)(const char msg);	186	static void (syserr_cb)(const char msg);
158		187
…		…
205	typedef struct	234	typedef struct
206	{	235	{
207	WL head;	236	WL head;
208	unsigned char events;	237	unsigned char events;
209	unsigned char reify;	238	unsigned char reify;
		239	#if EV_SELECT_IS_WINSOCKET
		240	SOCKET handle;
		241	#endif
210	} ANFD;	242	} ANFD;
211		243
212	typedef struct	244	typedef struct
213	{	245	{
214	W w;	246	W w;
215	int events;	247	int events;
216	} ANPENDING;	248	} ANPENDING;
217		249
218	#if EV_MULTIPLICITY	250	#if EV_MULTIPLICITY
219		251
220	struct ev_loop	252	struct ev_loop
221	{	253	{
		254	ev_tstamp ev_rt_now;
		255	#define ev_rt_now ((loop)->ev_rt_now)
222	# define VAR(name,decl) decl;	256	#define VAR(name,decl) decl;
223	# include "ev_vars.h"	257	#include "ev_vars.h"
224	};
225	# undef VAR	258	#undef VAR
		259	};
226	# include "ev_wrap.h"	260	#include "ev_wrap.h"
		261
		262	struct ev_loop default_loop_struct;
		263	static struct ev_loop *default_loop;
227		264
228	#else	265	#else
229		266
		267	ev_tstamp ev_rt_now;
230	# define VAR(name,decl) static decl;	268	#define VAR(name,decl) static decl;
231	# include "ev_vars.h"	269	#include "ev_vars.h"
232	# undef VAR	270	#undef VAR
		271
		272	static int default_loop;
233		273
234	#endif	274	#endif
235		275
236	/*****************************************************************************/	276	/*****************************************************************************/
237		277
238	inline ev_tstamp	278	ev_tstamp
239	ev_time (void)	279	ev_time (void)
240	{	280	{
241	#if EV_USE_REALTIME	281	#if EV_USE_REALTIME
242	struct timespec ts;	282	struct timespec ts;
243	clock_gettime (CLOCK_REALTIME, &ts);	283	clock_gettime (CLOCK_REALTIME, &ts);
…		…
262	#endif	302	#endif
263		303
264	return ev_time ();	304	return ev_time ();
265	}	305	}
266		306
		307	#if EV_MULTIPLICITY
267	ev_tstamp	308	ev_tstamp
268	ev_now (EV_P)	309	ev_now (EV_P)
269	{	310	{
270	return rt_now;	311	return ev_rt_now;
271	}	312	}
		313	#endif
272		314
273	#define array_roundsize(base,n) ((n) \| 4 & ~3)	315	#define array_roundsize(type,n) (((n) \| 4) & ~3)
274		316
275	#define array_needsize(base,cur,cnt,init) \	317	#define array_needsize(type,base,cur,cnt,init) \
276	if (expect_false ((cnt) > cur)) \	318	if (expect_false ((cnt) > cur)) \
277	{ \	319	{ \
278	int newcnt = cur; \	320	int newcnt = cur; \
279	do \	321	do \
280	{ \	322	{ \
281	newcnt = array_roundsize (base, newcnt << 1); \	323	newcnt = array_roundsize (type, newcnt << 1); \
282	} \	324	} \
283	while ((cnt) > newcnt); \	325	while ((cnt) > newcnt); \
284	\	326	\
285	base = ev_realloc (base, sizeof (base) (newcnt)); \	327	base = (type )ev_realloc (base, sizeof (type) (newcnt));\
286	init (base + cur, newcnt - cur); \	328	init (base + cur, newcnt - cur); \
287	cur = newcnt; \	329	cur = newcnt; \
288	}	330	}
289		331
290	#define array_slim(stem) \	332	#define array_slim(type,stem) \
291	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	333	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
292	{ \	334	{ \
293	stem ## max = array_roundsize (stem ## cnt >> 1); \	335	stem ## max = array_roundsize (stem ## cnt >> 1); \
294	base = ev_realloc (base, sizeof (base) (stem ## max)); \	336	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
295	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\	337	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
296	}	338	}
297
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		339
303	#define array_free(stem, idx) \	340	#define array_free(stem, idx) \
304	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;
305		342
306	/*****************************************************************************/	343	/*****************************************************************************/
…		…
316		353
317	++base;	354	++base;
318	}	355	}
319	}	356	}
320		357
321	static void	358	void
322	event (EV_P_ W w, int events)	359	ev_feed_event (EV_P_ void *w, int revents)
323	{	360	{
		361	W w_ = (W)w;
		362
324	if (w->pending)	363	if (w_->pending)
325	{	364	{
326	pendings [ABSPRI (w)][w->pending - 1].events \|= events;	365	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
327	return;	366	return;
328	}	367	}
329		368
330	w->pending = ++pendingcnt [ABSPRI (w)];	369	w_->pending = ++pendingcnt [ABSPRI (w_)];
331	array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], (void));	370	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void));
332	pendings [ABSPRI (w)][w->pending - 1].w = w;	371	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
333	pendings [ABSPRI (w)][w->pending - 1].events = events;	372	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
334	}	373	}
335		374
336	static void	375	static void
337	queue_events (EV_P_ W *events, int eventcnt, int type)	376	queue_events (EV_P_ W *events, int eventcnt, int type)
338	{	377	{
339	int i;	378	int i;
340		379
341	for (i = 0; i < eventcnt; ++i)	380	for (i = 0; i < eventcnt; ++i)
342	event (EV_A_ events [i], type);	381	ev_feed_event (EV_A_ events [i], type);
343	}	382	}
344		383
345	static void	384	inline void
346	fd_event (EV_P_ int fd, int events)	385	fd_event (EV_P_ int fd, int revents)
347	{	386	{
348	ANFD *anfd = anfds + fd;	387	ANFD *anfd = anfds + fd;
349	struct ev_io *w;	388	struct ev_io *w;
350		389
351	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	390	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
352	{	391	{
353	int ev = w->events & events;	392	int ev = w->events & revents;
354		393
355	if (ev)	394	if (ev)
356	event (EV_A_ (W)w, ev);	395	ev_feed_event (EV_A_ (W)w, ev);
357	}	396	}
		397	}
		398
		399	void
		400	ev_feed_fd_event (EV_P_ int fd, int revents)
		401	{
		402	fd_event (EV_A_ fd, revents);
358	}	403	}
359		404
360	/*****************************************************************************/	405	/*****************************************************************************/
361		406
362	static void	407	static void
…		…
373	int events = 0;	418	int events = 0;
374		419
375	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)
376	events \|= w->events;	421	events \|= w->events;
377		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
378	anfd->reify = 0;	432	anfd->reify = 0;
379		433
380	method_modify (EV_A_ fd, anfd->events, events);	434	method_modify (EV_A_ fd, anfd->events, events);
381	anfd->events = events;	435	anfd->events = events;
382	}	436	}
…		…
391	return;	445	return;
392		446
393	anfds [fd].reify = 1;	447	anfds [fd].reify = 1;
394		448
395	++fdchangecnt;	449	++fdchangecnt;
396	array_needsize (fdchanges, fdchangemax, fdchangecnt, (void));	450	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void));
397	fdchanges [fdchangecnt - 1] = fd;	451	fdchanges [fdchangecnt - 1] = fd;
398	}	452	}
399		453
400	static void	454	static void
401	fd_kill (EV_P_ int fd)	455	fd_kill (EV_P_ int fd)
…		…
403	struct ev_io *w;	457	struct ev_io *w;
404		458
405	while ((w = (struct ev_io *)anfds [fd].head))	459	while ((w = (struct ev_io *)anfds [fd].head))
406	{	460	{
407	ev_io_stop (EV_A_ w);	461	ev_io_stop (EV_A_ w);
408	event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	462	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
409	}	463	}
410	}	464	}
411		465
412	static int	466	static int
413	fd_valid (int fd)	467	fd_valid (int fd)
414	{	468	{
415	#ifdef WIN32	469	#ifdef _WIN32
416	return !!win32_get_osfhandle (fd);	470	return _get_osfhandle (fd) != -1;
417	#else	471	#else
418	return fcntl (fd, F_GETFD) != -1;	472	return fcntl (fd, F_GETFD) != -1;
419	#endif	473	#endif
420	}	474	}
421		475
…		…
501		555
502	heap [k] = w;	556	heap [k] = w;
503	((W)heap [k])->active = k + 1;	557	((W)heap [k])->active = k + 1;
504	}	558	}
505		559
		560	inline void
		561	adjustheap (WT *heap, int N, int k)
		562	{
		563	upheap (heap, k);
		564	downheap (heap, N, k);
		565	}
		566
506	/*****************************************************************************/	567	/*****************************************************************************/
507		568
508	typedef struct	569	typedef struct
509	{	570	{
510	WL head;	571	WL head;
…		…
531	}	592	}
532		593
533	static void	594	static void
534	sighandler (int signum)	595	sighandler (int signum)
535	{	596	{
536	#if WIN32	597	#if _WIN32
537	signal (signum, sighandler);	598	signal (signum, sighandler);
538	#endif	599	#endif
539		600
540	signals [signum - 1].gotsig = 1;	601	signals [signum - 1].gotsig = 1;
541		602
…		…
546	write (sigpipe [1], &signum, 1);	607	write (sigpipe [1], &signum, 1);
547	errno = old_errno;	608	errno = old_errno;
548	}	609	}
549	}	610	}
550		611
		612	void
		613	ev_feed_signal_event (EV_P_ int signum)
		614	{
		615	WL w;
		616
		617	#if EV_MULTIPLICITY
		618	assert (("feeding signal events is only supported in the default loop", loop == default_loop));
		619	#endif
		620
		621	--signum;
		622
		623	if (signum < 0 \|\| signum >= signalmax)
		624	return;
		625
		626	signals [signum].gotsig = 0;
		627
		628	for (w = signals [signum].head; w; w = w->next)
		629	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
		630	}
		631
551	static void	632	static void
552	sigcb (EV_P_ struct ev_io *iow, int revents)	633	sigcb (EV_P_ struct ev_io *iow, int revents)
553	{	634	{
554	WL w;
555	int signum;	635	int signum;
556		636
557	read (sigpipe [0], &revents, 1);	637	read (sigpipe [0], &revents, 1);
558	gotsig = 0;	638	gotsig = 0;
559		639
560	for (signum = signalmax; signum--; )	640	for (signum = signalmax; signum--; )
561	if (signals [signum].gotsig)	641	if (signals [signum].gotsig)
562	{	642	ev_feed_signal_event (EV_A_ signum + 1);
563	signals [signum].gotsig = 0;	643	}
564		644
565	for (w = signals [signum].head; w; w = w->next)	645	inline void
566	event (EV_A_ (W)w, EV_SIGNAL);	646	fd_intern (int fd)
567	}	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
568	}	655	}
569		656
570	static void	657	static void
571	siginit (EV_P)	658	siginit (EV_P)
572	{	659	{
573	#ifndef WIN32	660	fd_intern (sigpipe [0]);
574	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	661	fd_intern (sigpipe [1]);
575	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
576
577	/* rather than sort out wether we really need nb, set it */
578	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
579	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
580	#endif
581		662
582	ev_io_set (&sigev, sigpipe [0], EV_READ);	663	ev_io_set (&sigev, sigpipe [0], EV_READ);
583	ev_io_start (EV_A_ &sigev);	664	ev_io_start (EV_A_ &sigev);
584	ev_unref (EV_A); /* child watcher should not keep loop alive */	665	ev_unref (EV_A); /* child watcher should not keep loop alive */
585	}	666	}
586		667
587	/*****************************************************************************/	668	/*****************************************************************************/
588		669
589	static struct ev_child *childs [PID_HASHSIZE];	670	static struct ev_child *childs [PID_HASHSIZE];
590		671
591	#ifndef WIN32	672	#ifndef _WIN32
592		673
593	static struct ev_signal childev;	674	static struct ev_signal childev;
594		675
595	#ifndef WCONTINUED	676	#ifndef WCONTINUED
596	# define WCONTINUED 0	677	# define WCONTINUED 0
…		…
605	if (w->pid == pid \|\| !w->pid)	686	if (w->pid == pid \|\| !w->pid)
606	{	687	{
607	ev_priority (w) = ev_priority (sw); /* need to do it now */	688	ev_priority (w) = ev_priority (sw); /* need to do it now */
608	w->rpid = pid;	689	w->rpid = pid;
609	w->rstatus = status;	690	w->rstatus = status;
610	event (EV_A_ (W)w, EV_CHILD);	691	ev_feed_event (EV_A_ (W)w, EV_CHILD);
611	}	692	}
612	}	693	}
613		694
614	static void	695	static void
615	childcb (EV_P_ struct ev_signal *sw, int revents)	696	childcb (EV_P_ struct ev_signal *sw, int revents)
…		…
617	int pid, status;	698	int pid, status;
618		699
619	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))	700	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
620	{	701	{
621	/* make sure we are called again until all childs have been reaped */	702	/* make sure we are called again until all childs have been reaped */
622	event (EV_A_ (W)sw, EV_SIGNAL);	703	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
623		704
624	child_reap (EV_A_ sw, pid, pid, status);	705	child_reap (EV_A_ sw, pid, pid, status);
625	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */	706	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
626	}	707	}
627	}	708	}
…		…
657		738
658	/* 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 */
659	static int	740	static int
660	enable_secure (void)	741	enable_secure (void)
661	{	742	{
662	#ifdef WIN32	743	#ifdef _WIN32
663	return 0;	744	return 0;
664	#else	745	#else
665	return getuid () != geteuid ()	746	return getuid () != geteuid ()
666	\|\| getgid () != getegid ();	747	\|\| getgid () != getegid ();
667	#endif	748	#endif
…		…
672	{	753	{
673	return method;	754	return method;
674	}	755	}
675		756
676	static void	757	static void
677	loop_init (EV_P_ int methods)	758	loop_init (EV_P_ unsigned int flags)
678	{	759	{
679	if (!method)	760	if (!method)
680	{	761	{
681	#if EV_USE_MONOTONIC	762	#if EV_USE_MONOTONIC
682	{	763	{
…		…
684	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	765	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
685	have_monotonic = 1;	766	have_monotonic = 1;
686	}	767	}
687	#endif	768	#endif
688		769
689	rt_now = ev_time ();	770	ev_rt_now = ev_time ();
690	mn_now = get_clock ();	771	mn_now = get_clock ();
691	now_floor = mn_now;	772	now_floor = mn_now;
692	rtmn_diff = rt_now - mn_now;	773	rtmn_diff = ev_rt_now - mn_now;
693		774
694	if (methods == EVMETHOD_AUTO)	775	if (!(flags & EVMETHOD_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS"))
695	if (!enable_secure () && getenv ("LIBEV_METHODS"))
696	methods = atoi (getenv ("LIBEV_METHODS"));	776	flags = atoi (getenv ("LIBEV_FLAGS"));
697	else	777
698	methods = EVMETHOD_ANY;	778	if (!(flags & 0x0000ffff))
		779	flags \|= 0x0000ffff;
699		780
700	method = 0;	781	method = 0;
701	#if EV_USE_WIN32
702	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);
703	#endif
704	#if EV_USE_KQUEUE	782	#if EV_USE_KQUEUE
705	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	783	if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags);
706	#endif	784	#endif
707	#if EV_USE_EPOLL	785	#if EV_USE_EPOLL
708	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	786	if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags);
709	#endif	787	#endif
710	#if EV_USE_POLL	788	#if EV_USE_POLL
711	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	789	if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags);
712	#endif	790	#endif
713	#if EV_USE_SELECT	791	#if EV_USE_SELECT
714	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	792	if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags);
715	#endif	793	#endif
716		794
717	ev_watcher_init (&sigev, sigcb);	795	ev_init (&sigev, sigcb);
718	ev_set_priority (&sigev, EV_MAXPRI);	796	ev_set_priority (&sigev, EV_MAXPRI);
719	}	797	}
720	}	798	}
721		799
722	void	800	void
723	loop_destroy (EV_P)	801	loop_destroy (EV_P)
724	{	802	{
725	int i;	803	int i;
726		804
727	#if EV_USE_WIN32
728	if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);
729	#endif
730	#if EV_USE_KQUEUE	805	#if EV_USE_KQUEUE
731	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);	806	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
732	#endif	807	#endif
733	#if EV_USE_EPOLL	808	#if EV_USE_EPOLL
734	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);	809	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);
…		…
742		817
743	for (i = NUMPRI; i--; )	818	for (i = NUMPRI; i--; )
744	array_free (pending, [i]);	819	array_free (pending, [i]);
745		820
746	/* have to use the microsoft-never-gets-it-right macro */	821	/* have to use the microsoft-never-gets-it-right macro */
747	array_free_microshit (fdchange);	822	array_free (fdchange, EMPTY);
748	array_free_microshit (timer);	823	array_free (timer, EMPTY);
749	array_free_microshit (periodic);	824	#if EV_PERIODICS
750	array_free_microshit (idle);	825	array_free (periodic, EMPTY);
751	array_free_microshit (prepare);	826	#endif
752	array_free_microshit (check);	827	array_free (idle, EMPTY);
		828	array_free (prepare, EMPTY);
		829	array_free (check, EMPTY);
753		830
754	method = 0;	831	method = 0;
755	}	832	}
756		833
757	static void	834	static void
…		…
782	postfork = 0;	859	postfork = 0;
783	}	860	}
784		861
785	#if EV_MULTIPLICITY	862	#if EV_MULTIPLICITY
786	struct ev_loop *	863	struct ev_loop *
787	ev_loop_new (int methods)	864	ev_loop_new (unsigned int flags)
788	{	865	{
789	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));
790		867
791	memset (loop, 0, sizeof (struct ev_loop));	868	memset (loop, 0, sizeof (struct ev_loop));
792		869
793	loop_init (EV_A_ methods);	870	loop_init (EV_A_ flags);
794		871
795	if (ev_method (EV_A))	872	if (ev_method (EV_A))
796	return loop;	873	return loop;
797		874
798	return 0;	875	return 0;
…		…
812	}	889	}
813		890
814	#endif	891	#endif
815		892
816	#if EV_MULTIPLICITY	893	#if EV_MULTIPLICITY
817	struct ev_loop default_loop_struct;
818	static struct ev_loop *default_loop;
819
820	struct ev_loop *	894	struct ev_loop *
821	#else	895	#else
822	static int default_loop;
823
824	int	896	int
825	#endif	897	#endif
826	ev_default_loop (int methods)	898	ev_default_loop (unsigned int flags)
827	{	899	{
828	if (sigpipe [0] == sigpipe [1])	900	if (sigpipe [0] == sigpipe [1])
829	if (pipe (sigpipe))	901	if (pipe (sigpipe))
830	return 0;	902	return 0;
831		903
…		…
841		913
842	if (ev_method (EV_A))	914	if (ev_method (EV_A))
843	{	915	{
844	siginit (EV_A);	916	siginit (EV_A);
845		917
846	#ifndef WIN32	918	#ifndef _WIN32
847	ev_signal_init (&childev, childcb, SIGCHLD);	919	ev_signal_init (&childev, childcb, SIGCHLD);
848	ev_set_priority (&childev, EV_MAXPRI);	920	ev_set_priority (&childev, EV_MAXPRI);
849	ev_signal_start (EV_A_ &childev);	921	ev_signal_start (EV_A_ &childev);
850	ev_unref (EV_A); /* child watcher should not keep loop alive */	922	ev_unref (EV_A); /* child watcher should not keep loop alive */
851	#endif	923	#endif
…		…
862	{	934	{
863	#if EV_MULTIPLICITY	935	#if EV_MULTIPLICITY
864	struct ev_loop *loop = default_loop;	936	struct ev_loop *loop = default_loop;
865	#endif	937	#endif
866		938
867	#ifndef WIN32	939	#ifndef _WIN32
868	ev_ref (EV_A); /* child watcher */	940	ev_ref (EV_A); /* child watcher */
869	ev_signal_stop (EV_A_ &childev);	941	ev_signal_stop (EV_A_ &childev);
870	#endif	942	#endif
871		943
872	ev_ref (EV_A); /* signal watcher */	944	ev_ref (EV_A); /* signal watcher */
…		…
888	if (method)	960	if (method)
889	postfork = 1;	961	postfork = 1;
890	}	962	}
891		963
892	/*****************************************************************************/	964	/*****************************************************************************/
		965
		966	static int
		967	any_pending (EV_P)
		968	{
		969	int pri;
		970
		971	for (pri = NUMPRI; pri--; )
		972	if (pendingcnt [pri])
		973	return 1;
		974
		975	return 0;
		976	}
893		977
894	static void	978	static void
895	call_pending (EV_P)	979	call_pending (EV_P)
896	{	980	{
897	int pri;	981	int pri;
…		…
902	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	986	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
903		987
904	if (p->w)	988	if (p->w)
905	{	989	{
906	p->w->pending = 0;	990	p->w->pending = 0;
907	p->w->cb (EV_A_ p->w, p->events);	991	EV_CB_INVOKE (p->w, p->events);
908	}	992	}
909	}	993	}
910	}	994	}
911		995
912	static void	996	static void
…		…
920		1004
921	/* first reschedule or stop timer */	1005	/* first reschedule or stop timer */
922	if (w->repeat)	1006	if (w->repeat)
923	{	1007	{
924	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
925	((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
926	downheap ((WT *)timers, timercnt, 0);	1014	downheap ((WT *)timers, timercnt, 0);
927	}	1015	}
928	else	1016	else
929	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1017	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
930		1018
931	event (EV_A_ (W)w, EV_TIMEOUT);	1019	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
932	}	1020	}
933	}	1021	}
934		1022
		1023	#if EV_PERIODICS
935	static void	1024	static void
936	periodics_reify (EV_P)	1025	periodics_reify (EV_P)
937	{	1026	{
938	while (periodiccnt && ((WT)periodics [0])->at <= rt_now)	1027	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
939	{	1028	{
940	struct ev_periodic *w = periodics [0];	1029	struct ev_periodic *w = periodics [0];
941		1030
942	assert (("inactive timer on periodic heap detected", ev_is_active (w)));	1031	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
943		1032
944	/* first reschedule or stop timer */	1033	/* first reschedule or stop timer */
945	if (w->interval)	1034	if (w->reschedule_cb)
946	{	1035	{
		1036	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
		1037	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
		1038	downheap ((WT *)periodics, periodiccnt, 0);
		1039	}
		1040	else if (w->interval)
		1041	{
947	((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;	1042	((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
948	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now));	1043	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
949	downheap ((WT *)periodics, periodiccnt, 0);	1044	downheap ((WT *)periodics, periodiccnt, 0);
950	}	1045	}
951	else	1046	else
952	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1047	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
953		1048
954	event (EV_A_ (W)w, EV_PERIODIC);	1049	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
955	}	1050	}
956	}	1051	}
957		1052
958	static void	1053	static void
959	periodics_reschedule (EV_P)	1054	periodics_reschedule (EV_P)
…		…
963	/* adjust periodics after time jump */	1058	/* adjust periodics after time jump */
964	for (i = 0; i < periodiccnt; ++i)	1059	for (i = 0; i < periodiccnt; ++i)
965	{	1060	{
966	struct ev_periodic *w = periodics [i];	1061	struct ev_periodic *w = periodics [i];
967		1062
		1063	if (w->reschedule_cb)
		1064	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
968	if (w->interval)	1065	else if (w->interval)
969	{
970	ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;	1066	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
971
972	if (fabs (diff) >= 1e-4)
973	{
974	ev_periodic_stop (EV_A_ w);
975	ev_periodic_start (EV_A_ w);
976
977	i = 0; /* restart loop, inefficient, but time jumps should be rare */
978	}
979	}
980	}	1067	}
		1068
		1069	/* now rebuild the heap */
		1070	for (i = periodiccnt >> 1; i--; )
		1071	downheap ((WT *)periodics, periodiccnt, i);
981	}	1072	}
		1073	#endif
982		1074
983	inline int	1075	inline int
984	time_update_monotonic (EV_P)	1076	time_update_monotonic (EV_P)
985	{	1077	{
986	mn_now = get_clock ();	1078	mn_now = get_clock ();
987		1079
988	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1080	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
989	{	1081	{
990	rt_now = rtmn_diff + mn_now;	1082	ev_rt_now = rtmn_diff + mn_now;
991	return 0;	1083	return 0;
992	}	1084	}
993	else	1085	else
994	{	1086	{
995	now_floor = mn_now;	1087	now_floor = mn_now;
996	rt_now = ev_time ();	1088	ev_rt_now = ev_time ();
997	return 1;	1089	return 1;
998	}	1090	}
999	}	1091	}
1000		1092
1001	static void	1093	static void
…		…
1010	{	1102	{
1011	ev_tstamp odiff = rtmn_diff;	1103	ev_tstamp odiff = rtmn_diff;
1012		1104
1013	for (i = 4; --i; ) /* loop a few times, before making important decisions */	1105	for (i = 4; --i; ) /* loop a few times, before making important decisions */
1014	{	1106	{
1015	rtmn_diff = rt_now - mn_now;	1107	rtmn_diff = ev_rt_now - mn_now;
1016		1108
1017	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1109	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
1018	return; /* all is well */	1110	return; /* all is well */
1019		1111
1020	rt_now = ev_time ();	1112	ev_rt_now = ev_time ();
1021	mn_now = get_clock ();	1113	mn_now = get_clock ();
1022	now_floor = mn_now;	1114	now_floor = mn_now;
1023	}	1115	}
1024		1116
		1117	# if EV_PERIODICS
1025	periodics_reschedule (EV_A);	1118	periodics_reschedule (EV_A);
		1119	# endif
1026	/* no timer adjustment, as the monotonic clock doesn't jump */	1120	/* no timer adjustment, as the monotonic clock doesn't jump */
1027	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */	1121	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1028	}	1122	}
1029	}	1123	}
1030	else	1124	else
1031	#endif	1125	#endif
1032	{	1126	{
1033	rt_now = ev_time ();	1127	ev_rt_now = ev_time ();
1034		1128
1035	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1129	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
1036	{	1130	{
		1131	#if EV_PERIODICS
1037	periodics_reschedule (EV_A);	1132	periodics_reschedule (EV_A);
		1133	#endif
1038		1134
1039	/* 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 */
1040	for (i = 0; i < timercnt; ++i)	1136	for (i = 0; i < timercnt; ++i)
1041	((WT)timers [i])->at += rt_now - mn_now;	1137	((WT)timers [i])->at += ev_rt_now - mn_now;
1042	}	1138	}
1043		1139
1044	mn_now = rt_now;	1140	mn_now = ev_rt_now;
1045	}	1141	}
1046	}	1142	}
1047		1143
1048	void	1144	void
1049	ev_ref (EV_P)	1145	ev_ref (EV_P)
…		…
1081	/* update fd-related kernel structures */	1177	/* update fd-related kernel structures */
1082	fd_reify (EV_A);	1178	fd_reify (EV_A);
1083		1179
1084	/* calculate blocking time */	1180	/* calculate blocking time */
1085		1181
1086	/* we only need this for !monotonic clockor timers, but as we basically	1182	/* we only need this for !monotonic clock or timers, but as we basically
1087	always have timers, we just calculate it always */	1183	always have timers, we just calculate it always */
1088	#if EV_USE_MONOTONIC	1184	#if EV_USE_MONOTONIC
1089	if (expect_true (have_monotonic))	1185	if (expect_true (have_monotonic))
1090	time_update_monotonic (EV_A);	1186	time_update_monotonic (EV_A);
1091	else	1187	else
1092	#endif	1188	#endif
1093	{	1189	{
1094	rt_now = ev_time ();	1190	ev_rt_now = ev_time ();
1095	mn_now = rt_now;	1191	mn_now = ev_rt_now;
1096	}	1192	}
1097		1193
1098	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1194	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
1099	block = 0.;	1195	block = 0.;
1100	else	1196	else
…		…
1105	{	1201	{
1106	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;	1202	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
1107	if (block > to) block = to;	1203	if (block > to) block = to;
1108	}	1204	}
1109		1205
		1206	#if EV_PERIODICS
1110	if (periodiccnt)	1207	if (periodiccnt)
1111	{	1208	{
1112	ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;	1209	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
1113	if (block > to) block = to;	1210	if (block > to) block = to;
1114	}	1211	}
		1212	#endif
1115		1213
1116	if (block < 0.) block = 0.;	1214	if (block < 0.) block = 0.;
1117	}	1215	}
1118		1216
1119	method_poll (EV_A_ block);	1217	method_poll (EV_A_ block);
1120		1218
1121	/* update rt_now, do magic */	1219	/* update ev_rt_now, do magic */
1122	time_update (EV_A);	1220	time_update (EV_A);
1123		1221
1124	/* queue pending timers and reschedule them */	1222	/* queue pending timers and reschedule them */
1125	timers_reify (EV_A); /* relative timers called last */	1223	timers_reify (EV_A); /* relative timers called last */
		1224	#if EV_PERIODICS
1126	periodics_reify (EV_A); /* absolute timers called first */	1225	periodics_reify (EV_A); /* absolute timers called first */
		1226	#endif
1127		1227
1128	/* queue idle watchers unless io or timers are pending */	1228	/* queue idle watchers unless io or timers are pending */
1129	if (!pendingcnt)	1229	if (idlecnt && !any_pending (EV_A))
1130	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1230	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
1131		1231
1132	/* queue check watchers, to be executed first */	1232	/* queue check watchers, to be executed first */
1133	if (checkcnt)	1233	if (checkcnt)
1134	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1234	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
…		…
1209	return;	1309	return;
1210		1310
1211	assert (("ev_io_start called with negative fd", fd >= 0));	1311	assert (("ev_io_start called with negative fd", fd >= 0));
1212		1312
1213	ev_start (EV_A_ (W)w, 1);	1313	ev_start (EV_A_ (W)w, 1);
1214	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	1314	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1215	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1315	wlist_add ((WL *)&anfds[fd].head, (WL)w);
1216		1316
1217	fd_change (EV_A_ fd);	1317	fd_change (EV_A_ fd);
1218	}	1318	}
1219		1319
…		…
1222	{	1322	{
1223	ev_clear_pending (EV_A_ (W)w);	1323	ev_clear_pending (EV_A_ (W)w);
1224	if (!ev_is_active (w))	1324	if (!ev_is_active (w))
1225	return;	1325	return;
1226		1326
		1327	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
		1328
1227	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1329	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
1228	ev_stop (EV_A_ (W)w);	1330	ev_stop (EV_A_ (W)w);
1229		1331
1230	fd_change (EV_A_ w->fd);	1332	fd_change (EV_A_ w->fd);
1231	}	1333	}
…		…
1239	((WT)w)->at += mn_now;	1341	((WT)w)->at += mn_now;
1240		1342
1241	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1343	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1242		1344
1243	ev_start (EV_A_ (W)w, ++timercnt);	1345	ev_start (EV_A_ (W)w, ++timercnt);
1244	array_needsize (timers, timermax, timercnt, (void));	1346	array_needsize (struct ev_timer *, timers, timermax, timercnt, (void));
1245	timers [timercnt - 1] = w;	1347	timers [timercnt - 1] = w;
1246	upheap ((WT *)timers, timercnt - 1);	1348	upheap ((WT *)timers, timercnt - 1);
1247		1349
1248	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1350	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1249	}	1351	}
…		…
1258	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1360	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1259		1361
1260	if (((W)w)->active < timercnt--)	1362	if (((W)w)->active < timercnt--)
1261	{	1363	{
1262	timers [((W)w)->active - 1] = timers [timercnt];	1364	timers [((W)w)->active - 1] = timers [timercnt];
1263	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1365	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1264	}	1366	}
1265		1367
1266	((WT)w)->at = w->repeat;	1368	((WT)w)->at -= mn_now;
1267		1369
1268	ev_stop (EV_A_ (W)w);	1370	ev_stop (EV_A_ (W)w);
1269	}	1371	}
1270		1372
1271	void	1373	void
…		…
1274	if (ev_is_active (w))	1376	if (ev_is_active (w))
1275	{	1377	{
1276	if (w->repeat)	1378	if (w->repeat)
1277	{	1379	{
1278	((WT)w)->at = mn_now + w->repeat;	1380	((WT)w)->at = mn_now + w->repeat;
1279	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1381	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1280	}	1382	}
1281	else	1383	else
1282	ev_timer_stop (EV_A_ w);	1384	ev_timer_stop (EV_A_ w);
1283	}	1385	}
1284	else if (w->repeat)	1386	else if (w->repeat)
1285	ev_timer_start (EV_A_ w);	1387	ev_timer_start (EV_A_ w);
1286	}	1388	}
1287		1389
		1390	#if EV_PERIODICS
1288	void	1391	void
1289	ev_periodic_start (EV_P_ struct ev_periodic *w)	1392	ev_periodic_start (EV_P_ struct ev_periodic *w)
1290	{	1393	{
1291	if (ev_is_active (w))	1394	if (ev_is_active (w))
1292	return;	1395	return;
1293		1396
		1397	if (w->reschedule_cb)
		1398	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
		1399	else if (w->interval)
		1400	{
1294	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1401	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1295
1296	/* this formula differs from the one in periodic_reify because we do not always round up */	1402	/* this formula differs from the one in periodic_reify because we do not always round up */
1297	if (w->interval)
1298	((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;	1403	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
		1404	}
1299		1405
1300	ev_start (EV_A_ (W)w, ++periodiccnt);	1406	ev_start (EV_A_ (W)w, ++periodiccnt);
1301	array_needsize (periodics, periodicmax, periodiccnt, (void));	1407	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void));
1302	periodics [periodiccnt - 1] = w;	1408	periodics [periodiccnt - 1] = w;
1303	upheap ((WT *)periodics, periodiccnt - 1);	1409	upheap ((WT *)periodics, periodiccnt - 1);
1304		1410
1305	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1411	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1306	}	1412	}
…		…
1315	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1421	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1316		1422
1317	if (((W)w)->active < periodiccnt--)	1423	if (((W)w)->active < periodiccnt--)
1318	{	1424	{
1319	periodics [((W)w)->active - 1] = periodics [periodiccnt];	1425	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1320	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);	1426	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1321	}	1427	}
1322		1428
1323	ev_stop (EV_A_ (W)w);	1429	ev_stop (EV_A_ (W)w);
1324	}	1430	}
1325		1431
1326	void	1432	void
		1433	ev_periodic_again (EV_P_ struct ev_periodic *w)
		1434	{
		1435	/* TODO: use adjustheap and recalculation */
		1436	ev_periodic_stop (EV_A_ w);
		1437	ev_periodic_start (EV_A_ w);
		1438	}
		1439	#endif
		1440
		1441	void
1327	ev_idle_start (EV_P_ struct ev_idle *w)	1442	ev_idle_start (EV_P_ struct ev_idle *w)
1328	{	1443	{
1329	if (ev_is_active (w))	1444	if (ev_is_active (w))
1330	return;	1445	return;
1331		1446
1332	ev_start (EV_A_ (W)w, ++idlecnt);	1447	ev_start (EV_A_ (W)w, ++idlecnt);
1333	array_needsize (idles, idlemax, idlecnt, (void));	1448	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void));
1334	idles [idlecnt - 1] = w;	1449	idles [idlecnt - 1] = w;
1335	}	1450	}
1336		1451
1337	void	1452	void
1338	ev_idle_stop (EV_P_ struct ev_idle *w)	1453	ev_idle_stop (EV_P_ struct ev_idle *w)
1339	{	1454	{
1340	ev_clear_pending (EV_A_ (W)w);	1455	ev_clear_pending (EV_A_ (W)w);
1341	if (ev_is_active (w))	1456	if (!ev_is_active (w))
1342	return;	1457	return;
1343		1458
1344	idles [((W)w)->active - 1] = idles [--idlecnt];	1459	idles [((W)w)->active - 1] = idles [--idlecnt];
1345	ev_stop (EV_A_ (W)w);	1460	ev_stop (EV_A_ (W)w);
1346	}	1461	}
…		…
1350	{	1465	{
1351	if (ev_is_active (w))	1466	if (ev_is_active (w))
1352	return;	1467	return;
1353		1468
1354	ev_start (EV_A_ (W)w, ++preparecnt);	1469	ev_start (EV_A_ (W)w, ++preparecnt);
1355	array_needsize (prepares, preparemax, preparecnt, (void));	1470	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void));
1356	prepares [preparecnt - 1] = w;	1471	prepares [preparecnt - 1] = w;
1357	}	1472	}
1358		1473
1359	void	1474	void
1360	ev_prepare_stop (EV_P_ struct ev_prepare *w)	1475	ev_prepare_stop (EV_P_ struct ev_prepare *w)
1361	{	1476	{
1362	ev_clear_pending (EV_A_ (W)w);	1477	ev_clear_pending (EV_A_ (W)w);
1363	if (ev_is_active (w))	1478	if (!ev_is_active (w))
1364	return;	1479	return;
1365		1480
1366	prepares [((W)w)->active - 1] = prepares [--preparecnt];	1481	prepares [((W)w)->active - 1] = prepares [--preparecnt];
1367	ev_stop (EV_A_ (W)w);	1482	ev_stop (EV_A_ (W)w);
1368	}	1483	}
…		…
1372	{	1487	{
1373	if (ev_is_active (w))	1488	if (ev_is_active (w))
1374	return;	1489	return;
1375		1490
1376	ev_start (EV_A_ (W)w, ++checkcnt);	1491	ev_start (EV_A_ (W)w, ++checkcnt);
1377	array_needsize (checks, checkmax, checkcnt, (void));	1492	array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void));
1378	checks [checkcnt - 1] = w;	1493	checks [checkcnt - 1] = w;
1379	}	1494	}
1380		1495
1381	void	1496	void
1382	ev_check_stop (EV_P_ struct ev_check *w)	1497	ev_check_stop (EV_P_ struct ev_check *w)
1383	{	1498	{
1384	ev_clear_pending (EV_A_ (W)w);	1499	ev_clear_pending (EV_A_ (W)w);
1385	if (ev_is_active (w))	1500	if (!ev_is_active (w))
1386	return;	1501	return;
1387		1502
1388	checks [((W)w)->active - 1] = checks [--checkcnt];	1503	checks [((W)w)->active - 1] = checks [--checkcnt];
1389	ev_stop (EV_A_ (W)w);	1504	ev_stop (EV_A_ (W)w);
1390	}	1505	}
…		…
1403	return;	1518	return;
1404		1519
1405	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1520	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1406		1521
1407	ev_start (EV_A_ (W)w, 1);	1522	ev_start (EV_A_ (W)w, 1);
1408	array_needsize (signals, signalmax, w->signum, signals_init);	1523	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1409	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1524	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1410		1525
1411	if (!((WL)w)->next)	1526	if (!((WL)w)->next)
1412	{	1527	{
1413	#if WIN32	1528	#if _WIN32
1414	signal (w->signum, sighandler);	1529	signal (w->signum, sighandler);
1415	#else	1530	#else
1416	struct sigaction sa;	1531	struct sigaction sa;
1417	sa.sa_handler = sighandler;	1532	sa.sa_handler = sighandler;
1418	sigfillset (&sa.sa_mask);	1533	sigfillset (&sa.sa_mask);
…		…
1451		1566
1452	void	1567	void
1453	ev_child_stop (EV_P_ struct ev_child *w)	1568	ev_child_stop (EV_P_ struct ev_child *w)
1454	{	1569	{
1455	ev_clear_pending (EV_A_ (W)w);	1570	ev_clear_pending (EV_A_ (W)w);
1456	if (ev_is_active (w))	1571	if (!ev_is_active (w))
1457	return;	1572	return;
1458		1573
1459	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1574	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1460	ev_stop (EV_A_ (W)w);	1575	ev_stop (EV_A_ (W)w);
1461	}	1576	}
…		…
1496	}	1611	}
1497		1612
1498	void	1613	void
1499	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1614	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1500	{	1615	{
1501	struct ev_once *once = ev_malloc (sizeof (struct ev_once));	1616	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1502		1617
1503	if (!once)	1618	if (!once)
1504	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1619	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1505	else	1620	else
1506	{	1621	{
1507	once->cb = cb;	1622	once->cb = cb;
1508	once->arg = arg;	1623	once->arg = arg;
1509		1624
1510	ev_watcher_init (&once->io, once_cb_io);	1625	ev_init (&once->io, once_cb_io);
1511	if (fd >= 0)	1626	if (fd >= 0)
1512	{	1627	{
1513	ev_io_set (&once->io, fd, events);	1628	ev_io_set (&once->io, fd, events);
1514	ev_io_start (EV_A_ &once->io);	1629	ev_io_start (EV_A_ &once->io);
1515	}	1630	}
1516		1631
1517	ev_watcher_init (&once->to, once_cb_to);	1632	ev_init (&once->to, once_cb_to);
1518	if (timeout >= 0.)	1633	if (timeout >= 0.)
1519	{	1634	{
1520	ev_timer_set (&once->to, timeout, 0.);	1635	ev_timer_set (&once->to, timeout, 0.);
1521	ev_timer_start (EV_A_ &once->to);	1636	ev_timer_start (EV_A_ &once->to);
1522	}	1637	}
1523	}	1638	}
1524	}	1639	}
1525		1640
		1641	#ifdef __cplusplus
		1642	}
		1643	#endif
		1644

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Comparing libev/ev.c (file contents): Revision 1.73 by root, Tue Nov 6 16:27:10 2007 UTC vs. Revision 1.109 by root, Mon Nov 12 05:53:55 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.73 by root, Tue Nov 6 16:27:10 2007 UTC vs.
Revision 1.109 by root, Mon Nov 12 05:53:55 2007 UTC