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

Comparing libev/ev.c (file contents):
Revision 1.55 by root, Sun Nov 4 00:39:24 2007 UTC vs.
Revision 1.72 by root, Tue Nov 6 16:09:37 2007 UTC

…		…
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	#ifndef EV_STANDALONE	31	#ifndef EV_STANDALONE
32	# include "config.h"	32	# include "config.h"
		33
		34	# if HAVE_CLOCK_GETTIME
		35	# define EV_USE_MONOTONIC 1
		36	# define EV_USE_REALTIME 1
		37	# endif
		38
		39	# if HAVE_SELECT && HAVE_SYS_SELECT_H
		40	# define EV_USE_SELECT 1
		41	# endif
		42
		43	# if HAVE_POLL && HAVE_POLL_H
		44	# define EV_USE_POLL 1
		45	# endif
		46
		47	# if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
		48	# define EV_USE_EPOLL 1
		49	# endif
		50
		51	# if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H
		52	# define EV_USE_KQUEUE 1
		53	# endif
		54
33	#endif	55	#endif
34		56
35	#include <math.h>	57	#include <math.h>
36	#include <stdlib.h>	58	#include <stdlib.h>
37	#include <unistd.h>
38	#include <fcntl.h>	59	#include <fcntl.h>
39	#include <signal.h>
40	#include <stddef.h>	60	#include <stddef.h>
41		61
42	#include <stdio.h>	62	#include <stdio.h>
43		63
44	#include <assert.h>	64	#include <assert.h>
45	#include <errno.h>	65	#include <errno.h>
46	#include <sys/types.h>	66	#include <sys/types.h>
		67	#include <time.h>
		68
		69	#include <signal.h>
		70
47	#ifndef WIN32	71	#ifndef WIN32
		72	# include <unistd.h>
		73	# include <sys/time.h>
48	# include <sys/wait.h>	74	# include <sys/wait.h>
49	#endif	75	#endif
50	#include <sys/time.h>
51	#include <time.h>
52
53	/**/	76	/**/
54		77
55	#ifndef EV_USE_MONOTONIC	78	#ifndef EV_USE_MONOTONIC
56	# define EV_USE_MONOTONIC 1	79	# define EV_USE_MONOTONIC 1
57	#endif	80	#endif
58		81
59	#ifndef EV_USE_SELECT	82	#ifndef EV_USE_SELECT
60	# define EV_USE_SELECT 1	83	# define EV_USE_SELECT 1
61	#endif	84	#endif
62		85
63	#ifndef EV_USEV_POLL	86	#ifndef EV_USE_POLL
64	# define EV_USEV_POLL 0 /* poll is usually slower than select, and not as well tested */	87	# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */
65	#endif	88	#endif
66		89
67	#ifndef EV_USE_EPOLL	90	#ifndef EV_USE_EPOLL
68	# define EV_USE_EPOLL 0	91	# define EV_USE_EPOLL 0
69	#endif	92	#endif
70		93
71	#ifndef EV_USE_KQUEUE	94	#ifndef EV_USE_KQUEUE
72	# define EV_USE_KQUEUE 0	95	# define EV_USE_KQUEUE 0
		96	#endif
		97
		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
73	#endif	106	#endif
74		107
75	#ifndef EV_USE_REALTIME	108	#ifndef EV_USE_REALTIME
76	# define EV_USE_REALTIME 1	109	# define EV_USE_REALTIME 1
77	#endif	110	#endif
…		…
115	typedef struct ev_watcher_list *WL;	148	typedef struct ev_watcher_list *WL;
116	typedef struct ev_watcher_time *WT;	149	typedef struct ev_watcher_time *WT;
117		150
118	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	151	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
119		152
		153	#if WIN32
		154	/* note: the comment below could not be substantiated, but what would I care */
		155	/* MSDN says this is required to handle SIGFPE */
		156	volatile double SIGFPE_REQ = 0.0f;
		157
		158	static int
		159	ev_socketpair_tcp (int filedes [2])
		160	{
		161	struct sockaddr_in addr = { 0 };
		162	int addr_size = sizeof (addr);
		163	SOCKET listener;
		164	SOCKET sock [2] = { -1, -1 };
		165
		166	if ((listener = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
		167	return -1;
		168
		169	addr.sin_family = AF_INET;
		170	addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
		171	addr.sin_port = 0;
		172
		173	if (bind (listener, (struct sockaddr *)&addr, addr_size))
		174	goto fail;
		175
		176	if (getsockname(listener, (struct sockaddr *)&addr, &addr_size))
		177	goto fail;
		178
		179	if (listen (listener, 1))
		180	goto fail;
		181
		182	if ((sock [0] = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
		183	goto fail;
		184
		185	if (connect (sock[0], (struct sockaddr *)&addr, addr_size))
		186	goto fail;
		187
		188	if ((sock[1] = accept (listener, 0, 0)) < 0)
		189	goto fail;
		190
		191	closesocket (listener);
		192
		193	filedes [0] = sock [0];
		194	filedes [1] = sock [1];
		195
		196	return 0;
		197
		198	fail:
		199	closesocket (listener);
		200
		201	if (sock [0] != INVALID_SOCKET) closesocket (sock [0]);
		202	if (sock [1] != INVALID_SOCKET) closesocket (sock [1]);
		203
		204	return -1;
		205	}
		206
		207	# define ev_pipe(filedes) ev_socketpair_tcp (filedes)
		208	#else
		209	# define ev_pipe(filedes) pipe (filedes)
		210	#endif
		211
120	/*****************************************************************************/	212	/*****************************************************************************/
121		213
		214	static void (syserr_cb)(const char msg);
		215
		216	void ev_set_syserr_cb (void (cb)(const char msg))
		217	{
		218	syserr_cb = cb;
		219	}
		220
		221	static void
		222	syserr (const char *msg)
		223	{
		224	if (!msg)
		225	msg = "(libev) system error";
		226
		227	if (syserr_cb)
		228	syserr_cb (msg);
		229	else
		230	{
		231	perror (msg);
		232	abort ();
		233	}
		234	}
		235
		236	static void (alloc)(void *ptr, long size);
		237
		238	void ev_set_allocator (void (cb)(void *ptr, long size))
		239	{
		240	alloc = cb;
		241	}
		242
		243	static void *
		244	ev_realloc (void *ptr, long size)
		245	{
		246	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
		247
		248	if (!ptr && size)
		249	{
		250	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
		251	abort ();
		252	}
		253
		254	return ptr;
		255	}
		256
		257	#define ev_malloc(size) ev_realloc (0, (size))
		258	#define ev_free(ptr) ev_realloc ((ptr), 0)
		259
		260	/*****************************************************************************/
		261
122	typedef struct	262	typedef struct
123	{	263	{
124	struct ev_watcher_list *head;	264	WL head;
125	unsigned char events;	265	unsigned char events;
126	unsigned char reify;	266	unsigned char reify;
127	} ANFD;	267	} ANFD;
128		268
129	typedef struct	269	typedef struct
…		…
187	return rt_now;	327	return rt_now;
188	}	328	}
189		329
190	#define array_roundsize(base,n) ((n) \| 4 & ~3)	330	#define array_roundsize(base,n) ((n) \| 4 & ~3)
191		331
192	#define array_needsize(base,cur,cnt,init) \	332	#define array_needsize(base,cur,cnt,init) \
193	if (expect_false ((cnt) > cur)) \	333	if (expect_false ((cnt) > cur)) \
194	{ \	334	{ \
195	int newcnt = cur; \	335	int newcnt = cur; \
196	do \	336	do \
197	{ \	337	{ \
198	newcnt = array_roundsize (base, newcnt << 1); \	338	newcnt = array_roundsize (base, newcnt << 1); \
199	} \	339	} \
200	while ((cnt) > newcnt); \	340	while ((cnt) > newcnt); \
201	\	341	\
202	base = realloc (base, sizeof (base) (newcnt)); \	342	base = ev_realloc (base, sizeof (base) (newcnt)); \
203	init (base + cur, newcnt - cur); \	343	init (base + cur, newcnt - cur); \
204	cur = newcnt; \	344	cur = newcnt; \
205	}	345	}
		346
		347	#define array_slim(stem) \
		348	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
		349	{ \
		350	stem ## max = array_roundsize (stem ## cnt >> 1); \
		351	base = ev_realloc (base, sizeof (base) (stem ## max)); \
		352	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
		353	}
		354
		355	/* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */
		356	/* bringing us everlasting joy in form of stupid extra macros that are not required in C */
		357	#define array_free_microshit(stem) \
		358	ev_free (stem ## s); stem ## cnt = stem ## max = 0;
		359
		360	#define array_free(stem, idx) \
		361	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
206		362
207	/*****************************************************************************/	363	/*****************************************************************************/
208		364
209	static void	365	static void
210	anfds_init (ANFD *base, int count)	366	anfds_init (ANFD *base, int count)
…		…
227	pendings [ABSPRI (w)][w->pending - 1].events \|= events;	383	pendings [ABSPRI (w)][w->pending - 1].events \|= events;
228	return;	384	return;
229	}	385	}
230		386
231	w->pending = ++pendingcnt [ABSPRI (w)];	387	w->pending = ++pendingcnt [ABSPRI (w)];
232	array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], );	388	array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], (void));
233	pendings [ABSPRI (w)][w->pending - 1].w = w;	389	pendings [ABSPRI (w)][w->pending - 1].w = w;
234	pendings [ABSPRI (w)][w->pending - 1].events = events;	390	pendings [ABSPRI (w)][w->pending - 1].events = events;
235	}	391	}
236		392
237	static void	393	static void
…		…
276	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	432	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
277	events \|= w->events;	433	events \|= w->events;
278		434
279	anfd->reify = 0;	435	anfd->reify = 0;
280		436
281	if (anfd->events != events)
282	{
283	method_modify (EV_A_ fd, anfd->events, events);	437	method_modify (EV_A_ fd, anfd->events, events);
284	anfd->events = events;	438	anfd->events = events;
285	}
286	}	439	}
287		440
288	fdchangecnt = 0;	441	fdchangecnt = 0;
289	}	442	}
290		443
291	static void	444	static void
292	fd_change (EV_P_ int fd)	445	fd_change (EV_P_ int fd)
293	{	446	{
294	if (anfds [fd].reify \|\| fdchangecnt < 0)	447	if (anfds [fd].reify)
295	return;	448	return;
296		449
297	anfds [fd].reify = 1;	450	anfds [fd].reify = 1;
298		451
299	++fdchangecnt;	452	++fdchangecnt;
300	array_needsize (fdchanges, fdchangemax, fdchangecnt, );	453	array_needsize (fdchanges, fdchangemax, fdchangecnt, (void));
301	fdchanges [fdchangecnt - 1] = fd;	454	fdchanges [fdchangecnt - 1] = fd;
302	}	455	}
303		456
304	static void	457	static void
305	fd_kill (EV_P_ int fd)	458	fd_kill (EV_P_ int fd)
…		…
311	ev_io_stop (EV_A_ w);	464	ev_io_stop (EV_A_ w);
312	event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	465	event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
313	}	466	}
314	}	467	}
315		468
		469	static int
		470	fd_valid (int fd)
		471	{
		472	#ifdef WIN32
		473	return !!win32_get_osfhandle (fd);
		474	#else
		475	return fcntl (fd, F_GETFD) != -1;
		476	#endif
		477	}
		478
316	/* called on EBADF to verify fds */	479	/* called on EBADF to verify fds */
317	static void	480	static void
318	fd_ebadf (EV_P)	481	fd_ebadf (EV_P)
319	{	482	{
320	int fd;	483	int fd;
321		484
322	for (fd = 0; fd < anfdmax; ++fd)	485	for (fd = 0; fd < anfdmax; ++fd)
323	if (anfds [fd].events)	486	if (anfds [fd].events)
324	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)	487	if (!fd_valid (fd) == -1 && errno == EBADF)
325	fd_kill (EV_A_ fd);	488	fd_kill (EV_A_ fd);
326	}	489	}
327		490
328	/* called on ENOMEM in select/poll to kill some fds and retry */	491	/* called on ENOMEM in select/poll to kill some fds and retry */
329	static void	492	static void
330	fd_enomem (EV_P)	493	fd_enomem (EV_P)
331	{	494	{
332	int fd = anfdmax;	495	int fd;
333		496
334	while (fd--)	497	for (fd = anfdmax; fd--; )
335	if (anfds [fd].events)	498	if (anfds [fd].events)
336	{	499	{
337	close (fd);
338	fd_kill (EV_A_ fd);	500	fd_kill (EV_A_ fd);
339	return;	501	return;
340	}	502	}
341	}	503	}
342		504
		505	/* usually called after fork if method needs to re-arm all fds from scratch */
		506	static void
		507	fd_rearm_all (EV_P)
		508	{
		509	int fd;
		510
		511	/* this should be highly optimised to not do anything but set a flag */
		512	for (fd = 0; fd < anfdmax; ++fd)
		513	if (anfds [fd].events)
		514	{
		515	anfds [fd].events = 0;
		516	fd_change (EV_A_ fd);
		517	}
		518	}
		519
343	/*****************************************************************************/	520	/*****************************************************************************/
344		521
345	static void	522	static void
346	upheap (WT *heap, int k)	523	upheap (WT *heap, int k)
347	{	524	{
348	WT w = heap [k];	525	WT w = heap [k];
349		526
350	while (k && heap [k >> 1]->at > w->at)	527	while (k && heap [k >> 1]->at > w->at)
351	{	528	{
352	heap [k] = heap [k >> 1];	529	heap [k] = heap [k >> 1];
353	heap [k]->active = k + 1;	530	((W)heap [k])->active = k + 1;
354	k >>= 1;	531	k >>= 1;
355	}	532	}
356		533
357	heap [k] = w;	534	heap [k] = w;
358	heap [k]->active = k + 1;	535	((W)heap [k])->active = k + 1;
359		536
360	}	537	}
361		538
362	static void	539	static void
363	downheap (WT *heap, int N, int k)	540	downheap (WT *heap, int N, int k)
…		…
373		550
374	if (w->at <= heap [j]->at)	551	if (w->at <= heap [j]->at)
375	break;	552	break;
376		553
377	heap [k] = heap [j];	554	heap [k] = heap [j];
378	heap [k]->active = k + 1;	555	((W)heap [k])->active = k + 1;
379	k = j;	556	k = j;
380	}	557	}
381		558
382	heap [k] = w;	559	heap [k] = w;
383	heap [k]->active = k + 1;	560	((W)heap [k])->active = k + 1;
384	}	561	}
385		562
386	/*****************************************************************************/	563	/*****************************************************************************/
387		564
388	typedef struct	565	typedef struct
389	{	566	{
390	struct ev_watcher_list *head;	567	WL head;
391	sig_atomic_t volatile gotsig;	568	sig_atomic_t volatile gotsig;
392	} ANSIG;	569	} ANSIG;
393		570
394	static ANSIG *signals;	571	static ANSIG *signals;
395	static int signalmax;	572	static int signalmax;
396		573
397	static int sigpipe [2];	574	static int sigpipe [2];
398	static sig_atomic_t volatile gotsig;	575	static sig_atomic_t volatile gotsig;
		576	static struct ev_io sigev;
399		577
400	static void	578	static void
401	signals_init (ANSIG *base, int count)	579	signals_init (ANSIG *base, int count)
402	{	580	{
403	while (count--)	581	while (count--)
…		…
410	}	588	}
411		589
412	static void	590	static void
413	sighandler (int signum)	591	sighandler (int signum)
414	{	592	{
		593	#if WIN32
		594	signal (signum, sighandler);
		595	#endif
		596
415	signals [signum - 1].gotsig = 1;	597	signals [signum - 1].gotsig = 1;
416		598
417	if (!gotsig)	599	if (!gotsig)
418	{	600	{
419	int old_errno = errno;	601	int old_errno = errno;
…		…
424	}	606	}
425		607
426	static void	608	static void
427	sigcb (EV_P_ struct ev_io *iow, int revents)	609	sigcb (EV_P_ struct ev_io *iow, int revents)
428	{	610	{
429	struct ev_watcher_list *w;	611	WL w;
430	int signum;	612	int signum;
431		613
432	read (sigpipe [0], &revents, 1);	614	read (sigpipe [0], &revents, 1);
433	gotsig = 0;	615	gotsig = 0;
434		616
…		…
459	ev_unref (EV_A); /* child watcher should not keep loop alive */	641	ev_unref (EV_A); /* child watcher should not keep loop alive */
460	}	642	}
461		643
462	/*****************************************************************************/	644	/*****************************************************************************/
463		645
		646	static struct ev_child *childs [PID_HASHSIZE];
		647
464	#ifndef WIN32	648	#ifndef WIN32
		649
		650	static struct ev_signal childev;
465		651
466	#ifndef WCONTINUED	652	#ifndef WCONTINUED
467	# define WCONTINUED 0	653	# define WCONTINUED 0
468	#endif	654	#endif
469		655
…		…
473	struct ev_child *w;	659	struct ev_child *w;
474		660
475	for (w = (struct ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child )((WL)w)->next)	661	for (w = (struct ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child )((WL)w)->next)
476	if (w->pid == pid \|\| !w->pid)	662	if (w->pid == pid \|\| !w->pid)
477	{	663	{
478	w->priority = sw->priority; /* need to do it now */	664	ev_priority (w) = ev_priority (sw); /* need to do it now */
479	w->rpid = pid;	665	w->rpid = pid;
480	w->rstatus = status;	666	w->rstatus = status;
481	event (EV_A_ (W)w, EV_CHILD);	667	event (EV_A_ (W)w, EV_CHILD);
482	}	668	}
483	}	669	}
484		670
485	static void	671	static void
…		…
505	# include "ev_kqueue.c"	691	# include "ev_kqueue.c"
506	#endif	692	#endif
507	#if EV_USE_EPOLL	693	#if EV_USE_EPOLL
508	# include "ev_epoll.c"	694	# include "ev_epoll.c"
509	#endif	695	#endif
510	#if EV_USEV_POLL	696	#if EV_USE_POLL
511	# include "ev_poll.c"	697	# include "ev_poll.c"
512	#endif	698	#endif
513	#if EV_USE_SELECT	699	#if EV_USE_SELECT
514	# include "ev_select.c"	700	# include "ev_select.c"
515	#endif	701	#endif
…		…
542	ev_method (EV_P)	728	ev_method (EV_P)
543	{	729	{
544	return method;	730	return method;
545	}	731	}
546		732
547	inline int	733	static void
548	loop_init (EV_P_ int methods)	734	loop_init (EV_P_ int methods)
549	{	735	{
550	if (!method)	736	if (!method)
551	{	737	{
552	#if EV_USE_MONOTONIC	738	#if EV_USE_MONOTONIC
…		…
560	rt_now = ev_time ();	746	rt_now = ev_time ();
561	mn_now = get_clock ();	747	mn_now = get_clock ();
562	now_floor = mn_now;	748	now_floor = mn_now;
563	rtmn_diff = rt_now - mn_now;	749	rtmn_diff = rt_now - mn_now;
564		750
565	if (pipe (sigpipe))
566	return 0;
567
568	if (methods == EVMETHOD_AUTO)	751	if (methods == EVMETHOD_AUTO)
569	if (!enable_secure () && getenv ("LIBmethodS"))	752	if (!enable_secure () && getenv ("LIBEV_METHODS"))
570	methods = atoi (getenv ("LIBmethodS"));	753	methods = atoi (getenv ("LIBEV_METHODS"));
571	else	754	else
572	methods = EVMETHOD_ANY;	755	methods = EVMETHOD_ANY;
573		756
574	method = 0;	757	method = 0;
		758	#if EV_USE_WIN32
		759	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);
		760	#endif
575	#if EV_USE_KQUEUE	761	#if EV_USE_KQUEUE
576	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	762	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);
577	#endif	763	#endif
578	#if EV_USE_EPOLL	764	#if EV_USE_EPOLL
579	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	765	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);
580	#endif	766	#endif
581	#if EV_USEV_POLL	767	#if EV_USE_POLL
582	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	768	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);
583	#endif	769	#endif
584	#if EV_USE_SELECT	770	#if EV_USE_SELECT
585	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	771	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);
586	#endif	772	#endif
587		773
		774	ev_watcher_init (&sigev, sigcb);
		775	ev_set_priority (&sigev, EV_MAXPRI);
		776	}
		777	}
		778
		779	void
		780	loop_destroy (EV_P)
		781	{
		782	int i;
		783
		784	#if EV_USE_WIN32
		785	if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);
		786	#endif
		787	#if EV_USE_KQUEUE
		788	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
		789	#endif
		790	#if EV_USE_EPOLL
		791	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);
		792	#endif
		793	#if EV_USE_POLL
		794	if (method == EVMETHOD_POLL ) poll_destroy (EV_A);
		795	#endif
		796	#if EV_USE_SELECT
		797	if (method == EVMETHOD_SELECT) select_destroy (EV_A);
		798	#endif
		799
		800	for (i = NUMPRI; i--; )
		801	array_free (pending, [i]);
		802
		803	/* have to use the microsoft-never-gets-it-right macro */
		804	array_free_microshit (fdchange);
		805	array_free_microshit (timer);
		806	array_free_microshit (periodic);
		807	array_free_microshit (idle);
		808	array_free_microshit (prepare);
		809	array_free_microshit (check);
		810
		811	method = 0;
		812	}
		813
		814	static void
		815	loop_fork (EV_P)
		816	{
		817	#if EV_USE_EPOLL
		818	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
		819	#endif
		820	#if EV_USE_KQUEUE
		821	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
		822	#endif
		823
		824	if (ev_is_active (&sigev))
		825	{
		826	/* default loop */
		827
		828	ev_ref (EV_A);
		829	ev_io_stop (EV_A_ &sigev);
		830	close (sigpipe [0]);
		831	close (sigpipe [1]);
		832
		833	while (ev_pipe (sigpipe))
		834	syserr ("(libev) error creating pipe");
		835
		836	siginit (EV_A);
		837	}
		838
		839	postfork = 0;
		840	}
		841
		842	#if EV_MULTIPLICITY
		843	struct ev_loop *
		844	ev_loop_new (int methods)
		845	{
		846	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
		847
		848	memset (loop, 0, sizeof (struct ev_loop));
		849
		850	loop_init (EV_A_ methods);
		851
		852	if (ev_method (EV_A))
		853	return loop;
		854
		855	return 0;
		856	}
		857
		858	void
		859	ev_loop_destroy (EV_P)
		860	{
		861	loop_destroy (EV_A);
		862	ev_free (loop);
		863	}
		864
		865	void
		866	ev_loop_fork (EV_P)
		867	{
		868	postfork = 1;
		869	}
		870
		871	#endif
		872
		873	#if EV_MULTIPLICITY
		874	struct ev_loop default_loop_struct;
		875	static struct ev_loop *default_loop;
		876
		877	struct ev_loop *
		878	#else
		879	static int default_loop;
		880
		881	int
		882	#endif
		883	ev_default_loop (int methods)
		884	{
		885	if (sigpipe [0] == sigpipe [1])
		886	if (ev_pipe (sigpipe))
		887	return 0;
		888
		889	if (!default_loop)
		890	{
		891	#if EV_MULTIPLICITY
		892	struct ev_loop *loop = default_loop = &default_loop_struct;
		893	#else
		894	default_loop = 1;
		895	#endif
		896
		897	loop_init (EV_A_ methods);
		898
588	if (method)	899	if (ev_method (EV_A))
589	{	900	{
590	ev_watcher_init (&sigev, sigcb);
591	ev_set_priority (&sigev, EV_MAXPRI);
592	siginit (EV_A);	901	siginit (EV_A);
593		902
594	#ifndef WIN32	903	#ifndef WIN32
595	ev_signal_init (&childev, childcb, SIGCHLD);	904	ev_signal_init (&childev, childcb, SIGCHLD);
596	ev_set_priority (&childev, EV_MAXPRI);	905	ev_set_priority (&childev, EV_MAXPRI);
597	ev_signal_start (EV_A_ &childev);	906	ev_signal_start (EV_A_ &childev);
598	ev_unref (EV_A); /* child watcher should not keep loop alive */	907	ev_unref (EV_A); /* child watcher should not keep loop alive */
599	#endif	908	#endif
600	}	909	}
		910	else
		911	default_loop = 0;
601	}	912	}
602		913
603	return method;	914	return default_loop;
604	}	915	}
605		916
		917	void
		918	ev_default_destroy (void)
		919	{
606	#if EV_MULTIPLICITY	920	#if EV_MULTIPLICITY
607		921	struct ev_loop *loop = default_loop;
608	struct ev_loop *
609	ev_loop_new (int methods)
610	{
611	struct ev_loop loop = (struct ev_loop )calloc (1, sizeof (struct ev_loop));
612
613	if (loop_init (EV_A_ methods))
614	return loop;
615
616	ev_loop_delete (loop);
617
618	return 0;
619	}
620
621	void
622	ev_loop_delete (EV_P)
623	{
624	/TODO/
625	free (loop);
626	}
627
628	#else
629
630	int
631	ev_init (int methods)
632	{
633	return loop_init (methods);
634	}
635
636	#endif	922	#endif
637		923
638	/*****************************************************************************/	924	#ifndef WIN32
639		925	ev_ref (EV_A); /* child watcher */
640	void	926	ev_signal_stop (EV_A_ &childev);
641	ev_fork_prepare (void)
642	{
643	/* nop */
644	}
645
646	void
647	ev_fork_parent (void)
648	{
649	/* nop */
650	}
651
652	void
653	ev_fork_child (void)
654	{
655	/TODO/
656	#if !EV_MULTIPLICITY
657	#if EV_USE_EPOLL
658	if (method == EVMETHOD_EPOLL)
659	epoll_postfork_child (EV_A);
660	#endif	927	#endif
661		928
		929	ev_ref (EV_A); /* signal watcher */
662	ev_io_stop (EV_A_ &sigev);	930	ev_io_stop (EV_A_ &sigev);
663	close (sigpipe [0]);	931
664	close (sigpipe [1]);	932	close (sigpipe [0]); sigpipe [0] = 0;
665	pipe (sigpipe);	933	close (sigpipe [1]); sigpipe [1] = 0;
666	siginit (EV_A);	934
		935	loop_destroy (EV_A);
		936	}
		937
		938	void
		939	ev_default_fork (void)
		940	{
		941	#if EV_MULTIPLICITY
		942	struct ev_loop *loop = default_loop;
667	#endif	943	#endif
		944
		945	if (method)
		946	postfork = 1;
668	}	947	}
669		948
670	/*****************************************************************************/	949	/*****************************************************************************/
671		950
672	static void	951	static void
…		…
688	}	967	}
689		968
690	static void	969	static void
691	timers_reify (EV_P)	970	timers_reify (EV_P)
692	{	971	{
693	while (timercnt && timers [0]->at <= mn_now)	972	while (timercnt && ((WT)timers [0])->at <= mn_now)
694	{	973	{
695	struct ev_timer *w = timers [0];	974	struct ev_timer *w = timers [0];
		975
		976	assert (("inactive timer on timer heap detected", ev_is_active (w)));
696		977
697	/* first reschedule or stop timer */	978	/* first reschedule or stop timer */
698	if (w->repeat)	979	if (w->repeat)
699	{	980	{
700	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	981	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
701	w->at = mn_now + w->repeat;	982	((WT)w)->at = mn_now + w->repeat;
702	downheap ((WT *)timers, timercnt, 0);	983	downheap ((WT *)timers, timercnt, 0);
703	}	984	}
704	else	985	else
705	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	986	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
706		987
…		…
709	}	990	}
710		991
711	static void	992	static void
712	periodics_reify (EV_P)	993	periodics_reify (EV_P)
713	{	994	{
714	while (periodiccnt && periodics [0]->at <= rt_now)	995	while (periodiccnt && ((WT)periodics [0])->at <= rt_now)
715	{	996	{
716	struct ev_periodic *w = periodics [0];	997	struct ev_periodic *w = periodics [0];
		998
		999	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
717		1000
718	/* first reschedule or stop timer */	1001	/* first reschedule or stop timer */
719	if (w->interval)	1002	if (w->interval)
720	{	1003	{
721	w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval;	1004	((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
722	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now));	1005	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now));
723	downheap ((WT *)periodics, periodiccnt, 0);	1006	downheap ((WT *)periodics, periodiccnt, 0);
724	}	1007	}
725	else	1008	else
726	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1009	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
727		1010
…		…
739	{	1022	{
740	struct ev_periodic *w = periodics [i];	1023	struct ev_periodic *w = periodics [i];
741		1024
742	if (w->interval)	1025	if (w->interval)
743	{	1026	{
744	ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval;	1027	ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
745		1028
746	if (fabs (diff) >= 1e-4)	1029	if (fabs (diff) >= 1e-4)
747	{	1030	{
748	ev_periodic_stop (EV_A_ w);	1031	ev_periodic_stop (EV_A_ w);
749	ev_periodic_start (EV_A_ w);	1032	ev_periodic_start (EV_A_ w);
…		…
810	{	1093	{
811	periodics_reschedule (EV_A);	1094	periodics_reschedule (EV_A);
812		1095
813	/* adjust timers. this is easy, as the offset is the same for all */	1096	/* adjust timers. this is easy, as the offset is the same for all */
814	for (i = 0; i < timercnt; ++i)	1097	for (i = 0; i < timercnt; ++i)
815	timers [i]->at += rt_now - mn_now;	1098	((WT)timers [i])->at += rt_now - mn_now;
816	}	1099	}
817		1100
818	mn_now = rt_now;	1101	mn_now = rt_now;
819	}	1102	}
820	}	1103	}
…		…
846	{	1129	{
847	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1130	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
848	call_pending (EV_A);	1131	call_pending (EV_A);
849	}	1132	}
850		1133
		1134	/* we might have forked, so reify kernel state if necessary */
		1135	if (expect_false (postfork))
		1136	loop_fork (EV_A);
		1137
851	/* update fd-related kernel structures */	1138	/* update fd-related kernel structures */
852	fd_reify (EV_A);	1139	fd_reify (EV_A);
853		1140
854	/* calculate blocking time */	1141	/* calculate blocking time */
855		1142
…		…
871	{	1158	{
872	block = MAX_BLOCKTIME;	1159	block = MAX_BLOCKTIME;
873		1160
874	if (timercnt)	1161	if (timercnt)
875	{	1162	{
876	ev_tstamp to = timers [0]->at - mn_now + method_fudge;	1163	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
877	if (block > to) block = to;	1164	if (block > to) block = to;
878	}	1165	}
879		1166
880	if (periodiccnt)	1167	if (periodiccnt)
881	{	1168	{
882	ev_tstamp to = periodics [0]->at - rt_now + method_fudge;	1169	ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;
883	if (block > to) block = to;	1170	if (block > to) block = to;
884	}	1171	}
885		1172
886	if (block < 0.) block = 0.;	1173	if (block < 0.) block = 0.;
887	}	1174	}
…		…
1004	ev_timer_start (EV_P_ struct ev_timer *w)	1291	ev_timer_start (EV_P_ struct ev_timer *w)
1005	{	1292	{
1006	if (ev_is_active (w))	1293	if (ev_is_active (w))
1007	return;	1294	return;
1008		1295
1009	w->at += mn_now;	1296	((WT)w)->at += mn_now;
1010		1297
1011	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1298	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1012		1299
1013	ev_start (EV_A_ (W)w, ++timercnt);	1300	ev_start (EV_A_ (W)w, ++timercnt);
1014	array_needsize (timers, timermax, timercnt, );	1301	array_needsize (timers, timermax, timercnt, (void));
1015	timers [timercnt - 1] = w;	1302	timers [timercnt - 1] = w;
1016	upheap ((WT *)timers, timercnt - 1);	1303	upheap ((WT *)timers, timercnt - 1);
		1304
		1305	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1017	}	1306	}
1018		1307
1019	void	1308	void
1020	ev_timer_stop (EV_P_ struct ev_timer *w)	1309	ev_timer_stop (EV_P_ struct ev_timer *w)
1021	{	1310	{
1022	ev_clear_pending (EV_A_ (W)w);	1311	ev_clear_pending (EV_A_ (W)w);
1023	if (!ev_is_active (w))	1312	if (!ev_is_active (w))
1024	return;	1313	return;
1025		1314
		1315	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1316
1026	if (w->active < timercnt--)	1317	if (((W)w)->active < timercnt--)
1027	{	1318	{
1028	timers [w->active - 1] = timers [timercnt];	1319	timers [((W)w)->active - 1] = timers [timercnt];
1029	downheap ((WT *)timers, timercnt, w->active - 1);	1320	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1030	}	1321	}
1031		1322
1032	w->at = w->repeat;	1323	((WT)w)->at = w->repeat;
1033		1324
1034	ev_stop (EV_A_ (W)w);	1325	ev_stop (EV_A_ (W)w);
1035	}	1326	}
1036		1327
1037	void	1328	void
…		…
1039	{	1330	{
1040	if (ev_is_active (w))	1331	if (ev_is_active (w))
1041	{	1332	{
1042	if (w->repeat)	1333	if (w->repeat)
1043	{	1334	{
1044	w->at = mn_now + w->repeat;	1335	((WT)w)->at = mn_now + w->repeat;
1045	downheap ((WT *)timers, timercnt, w->active - 1);	1336	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1046	}	1337	}
1047	else	1338	else
1048	ev_timer_stop (EV_A_ w);	1339	ev_timer_stop (EV_A_ w);
1049	}	1340	}
1050	else if (w->repeat)	1341	else if (w->repeat)
…		…
1059		1350
1060	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1351	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1061		1352
1062	/* this formula differs from the one in periodic_reify because we do not always round up */	1353	/* this formula differs from the one in periodic_reify because we do not always round up */
1063	if (w->interval)	1354	if (w->interval)
1064	w->at += ceil ((rt_now - w->at) / w->interval) * w->interval;	1355	((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
1065		1356
1066	ev_start (EV_A_ (W)w, ++periodiccnt);	1357	ev_start (EV_A_ (W)w, ++periodiccnt);
1067	array_needsize (periodics, periodicmax, periodiccnt, );	1358	array_needsize (periodics, periodicmax, periodiccnt, (void));
1068	periodics [periodiccnt - 1] = w;	1359	periodics [periodiccnt - 1] = w;
1069	upheap ((WT *)periodics, periodiccnt - 1);	1360	upheap ((WT *)periodics, periodiccnt - 1);
		1361
		1362	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1070	}	1363	}
1071		1364
1072	void	1365	void
1073	ev_periodic_stop (EV_P_ struct ev_periodic *w)	1366	ev_periodic_stop (EV_P_ struct ev_periodic *w)
1074	{	1367	{
1075	ev_clear_pending (EV_A_ (W)w);	1368	ev_clear_pending (EV_A_ (W)w);
1076	if (!ev_is_active (w))	1369	if (!ev_is_active (w))
1077	return;	1370	return;
1078		1371
		1372	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1373
1079	if (w->active < periodiccnt--)	1374	if (((W)w)->active < periodiccnt--)
1080	{	1375	{
1081	periodics [w->active - 1] = periodics [periodiccnt];	1376	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1082	downheap ((WT *)periodics, periodiccnt, w->active - 1);	1377	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1083	}	1378	}
1084		1379
		1380	ev_stop (EV_A_ (W)w);
		1381	}
		1382
		1383	void
		1384	ev_idle_start (EV_P_ struct ev_idle *w)
		1385	{
		1386	if (ev_is_active (w))
		1387	return;
		1388
		1389	ev_start (EV_A_ (W)w, ++idlecnt);
		1390	array_needsize (idles, idlemax, idlecnt, (void));
		1391	idles [idlecnt - 1] = w;
		1392	}
		1393
		1394	void
		1395	ev_idle_stop (EV_P_ struct ev_idle *w)
		1396	{
		1397	ev_clear_pending (EV_A_ (W)w);
		1398	if (ev_is_active (w))
		1399	return;
		1400
		1401	idles [((W)w)->active - 1] = idles [--idlecnt];
		1402	ev_stop (EV_A_ (W)w);
		1403	}
		1404
		1405	void
		1406	ev_prepare_start (EV_P_ struct ev_prepare *w)
		1407	{
		1408	if (ev_is_active (w))
		1409	return;
		1410
		1411	ev_start (EV_A_ (W)w, ++preparecnt);
		1412	array_needsize (prepares, preparemax, preparecnt, (void));
		1413	prepares [preparecnt - 1] = w;
		1414	}
		1415
		1416	void
		1417	ev_prepare_stop (EV_P_ struct ev_prepare *w)
		1418	{
		1419	ev_clear_pending (EV_A_ (W)w);
		1420	if (ev_is_active (w))
		1421	return;
		1422
		1423	prepares [((W)w)->active - 1] = prepares [--preparecnt];
		1424	ev_stop (EV_A_ (W)w);
		1425	}
		1426
		1427	void
		1428	ev_check_start (EV_P_ struct ev_check *w)
		1429	{
		1430	if (ev_is_active (w))
		1431	return;
		1432
		1433	ev_start (EV_A_ (W)w, ++checkcnt);
		1434	array_needsize (checks, checkmax, checkcnt, (void));
		1435	checks [checkcnt - 1] = w;
		1436	}
		1437
		1438	void
		1439	ev_check_stop (EV_P_ struct ev_check *w)
		1440	{
		1441	ev_clear_pending (EV_A_ (W)w);
		1442	if (ev_is_active (w))
		1443	return;
		1444
		1445	checks [((W)w)->active - 1] = checks [--checkcnt];
1085	ev_stop (EV_A_ (W)w);	1446	ev_stop (EV_A_ (W)w);
1086	}	1447	}
1087		1448
1088	#ifndef SA_RESTART	1449	#ifndef SA_RESTART
1089	# define SA_RESTART 0	1450	# define SA_RESTART 0
1090	#endif	1451	#endif
1091		1452
1092	void	1453	void
1093	ev_signal_start (EV_P_ struct ev_signal *w)	1454	ev_signal_start (EV_P_ struct ev_signal *w)
1094	{	1455	{
		1456	#if EV_MULTIPLICITY
		1457	assert (("signal watchers are only supported in the default loop", loop == default_loop));
		1458	#endif
1095	if (ev_is_active (w))	1459	if (ev_is_active (w))
1096	return;	1460	return;
1097		1461
1098	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1462	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1099		1463
1100	ev_start (EV_A_ (W)w, 1);	1464	ev_start (EV_A_ (W)w, 1);
1101	array_needsize (signals, signalmax, w->signum, signals_init);	1465	array_needsize (signals, signalmax, w->signum, signals_init);
1102	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1466	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1103		1467
1104	if (!w->next)	1468	if (!((WL)w)->next)
1105	{	1469	{
		1470	#if WIN32
		1471	signal (w->signum, sighandler);
		1472	#else
1106	struct sigaction sa;	1473	struct sigaction sa;
1107	sa.sa_handler = sighandler;	1474	sa.sa_handler = sighandler;
1108	sigfillset (&sa.sa_mask);	1475	sigfillset (&sa.sa_mask);
1109	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	1476	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1110	sigaction (w->signum, &sa, 0);	1477	sigaction (w->signum, &sa, 0);
		1478	#endif
1111	}	1479	}
1112	}	1480	}
1113		1481
1114	void	1482	void
1115	ev_signal_stop (EV_P_ struct ev_signal *w)	1483	ev_signal_stop (EV_P_ struct ev_signal *w)
…		…
1124	if (!signals [w->signum - 1].head)	1492	if (!signals [w->signum - 1].head)
1125	signal (w->signum, SIG_DFL);	1493	signal (w->signum, SIG_DFL);
1126	}	1494	}
1127		1495
1128	void	1496	void
1129	ev_idle_start (EV_P_ struct ev_idle *w)
1130	{
1131	if (ev_is_active (w))
1132	return;
1133
1134	ev_start (EV_A_ (W)w, ++idlecnt);
1135	array_needsize (idles, idlemax, idlecnt, );
1136	idles [idlecnt - 1] = w;
1137	}
1138
1139	void
1140	ev_idle_stop (EV_P_ struct ev_idle *w)
1141	{
1142	ev_clear_pending (EV_A_ (W)w);
1143	if (ev_is_active (w))
1144	return;
1145
1146	idles [w->active - 1] = idles [--idlecnt];
1147	ev_stop (EV_A_ (W)w);
1148	}
1149
1150	void
1151	ev_prepare_start (EV_P_ struct ev_prepare *w)
1152	{
1153	if (ev_is_active (w))
1154	return;
1155
1156	ev_start (EV_A_ (W)w, ++preparecnt);
1157	array_needsize (prepares, preparemax, preparecnt, );
1158	prepares [preparecnt - 1] = w;
1159	}
1160
1161	void
1162	ev_prepare_stop (EV_P_ struct ev_prepare *w)
1163	{
1164	ev_clear_pending (EV_A_ (W)w);
1165	if (ev_is_active (w))
1166	return;
1167
1168	prepares [w->active - 1] = prepares [--preparecnt];
1169	ev_stop (EV_A_ (W)w);
1170	}
1171
1172	void
1173	ev_check_start (EV_P_ struct ev_check *w)
1174	{
1175	if (ev_is_active (w))
1176	return;
1177
1178	ev_start (EV_A_ (W)w, ++checkcnt);
1179	array_needsize (checks, checkmax, checkcnt, );
1180	checks [checkcnt - 1] = w;
1181	}
1182
1183	void
1184	ev_check_stop (EV_P_ struct ev_check *w)
1185	{
1186	ev_clear_pending (EV_A_ (W)w);
1187	if (ev_is_active (w))
1188	return;
1189
1190	checks [w->active - 1] = checks [--checkcnt];
1191	ev_stop (EV_A_ (W)w);
1192	}
1193
1194	void
1195	ev_child_start (EV_P_ struct ev_child *w)	1497	ev_child_start (EV_P_ struct ev_child *w)
1196	{	1498	{
		1499	#if EV_MULTIPLICITY
		1500	assert (("child watchers are only supported in the default loop", loop == default_loop));
		1501	#endif
1197	if (ev_is_active (w))	1502	if (ev_is_active (w))
1198	return;	1503	return;
1199		1504
1200	ev_start (EV_A_ (W)w, 1);	1505	ev_start (EV_A_ (W)w, 1);
1201	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1506	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
…		…
1228	void (cb)(int revents, void arg) = once->cb;	1533	void (cb)(int revents, void arg) = once->cb;
1229	void *arg = once->arg;	1534	void *arg = once->arg;
1230		1535
1231	ev_io_stop (EV_A_ &once->io);	1536	ev_io_stop (EV_A_ &once->io);
1232	ev_timer_stop (EV_A_ &once->to);	1537	ev_timer_stop (EV_A_ &once->to);
1233	free (once);	1538	ev_free (once);
1234		1539
1235	cb (revents, arg);	1540	cb (revents, arg);
1236	}	1541	}
1237		1542
1238	static void	1543	static void
…		…
1248	}	1553	}
1249		1554
1250	void	1555	void
1251	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1556	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1252	{	1557	{
1253	struct ev_once *once = malloc (sizeof (struct ev_once));	1558	struct ev_once *once = ev_malloc (sizeof (struct ev_once));
1254		1559
1255	if (!once)	1560	if (!once)
1256	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1561	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1257	else	1562	else
1258	{	1563	{
…		…
1273	ev_timer_start (EV_A_ &once->to);	1578	ev_timer_start (EV_A_ &once->to);
1274	}	1579	}
1275	}	1580	}
1276	}	1581	}
1277		1582
1278	/*****************************************************************************/
1279
1280	#if 0
1281
1282	struct ev_io wio;
1283
1284	static void
1285	sin_cb (struct ev_io *w, int revents)
1286	{
1287	fprintf (stderr, "sin %d, revents %d\n", w->fd, revents);
1288	}
1289
1290	static void
1291	ocb (struct ev_timer *w, int revents)
1292	{
1293	//fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data);
1294	ev_timer_stop (w);
1295	ev_timer_start (w);
1296	}
1297
1298	static void
1299	scb (struct ev_signal *w, int revents)
1300	{
1301	fprintf (stderr, "signal %x,%d\n", revents, w->signum);
1302	ev_io_stop (&wio);
1303	ev_io_start (&wio);
1304	}
1305
1306	static void
1307	gcb (struct ev_signal *w, int revents)
1308	{
1309	fprintf (stderr, "generic %x\n", revents);
1310
1311	}
1312
1313	int main (void)
1314	{
1315	ev_init (0);
1316
1317	ev_io_init (&wio, sin_cb, 0, EV_READ);
1318	ev_io_start (&wio);
1319
1320	struct ev_timer t[10000];
1321
1322	#if 0
1323	int i;
1324	for (i = 0; i < 10000; ++i)
1325	{
1326	struct ev_timer *w = t + i;
1327	ev_watcher_init (w, ocb, i);
1328	ev_timer_init_abs (w, ocb, drand48 (), 0.99775533);
1329	ev_timer_start (w);
1330	if (drand48 () < 0.5)
1331	ev_timer_stop (w);
1332	}
1333	#endif
1334
1335	struct ev_timer t1;
1336	ev_timer_init (&t1, ocb, 5, 10);
1337	ev_timer_start (&t1);
1338
1339	struct ev_signal sig;
1340	ev_signal_init (&sig, scb, SIGQUIT);
1341	ev_signal_start (&sig);
1342
1343	struct ev_check cw;
1344	ev_check_init (&cw, gcb);
1345	ev_check_start (&cw);
1346
1347	struct ev_idle iw;
1348	ev_idle_init (&iw, gcb);
1349	ev_idle_start (&iw);
1350
1351	ev_loop (0);
1352
1353	return 0;
1354	}
1355
1356	#endif
1357
1358
1359
1360

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Comparing libev/ev.c (file contents): Revision 1.55 by root, Sun Nov 4 00:39:24 2007 UTC vs. Revision 1.72 by root, Tue Nov 6 16:09:37 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.55 by root, Sun Nov 4 00:39:24 2007 UTC vs.
Revision 1.72 by root, Tue Nov 6 16:09:37 2007 UTC