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

Comparing libev/ev.c (file contents):
Revision 1.61 by root, Sun Nov 4 19:45:09 2007 UTC vs.
Revision 1.121 by root, Fri Nov 16 10:37:28 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
		64	# if HAVE_PORT_H && HAVE_PORT_CREATE && !defined (EV_USE_PORT)
		65	# define EV_USE_PORT 1
		66	# endif
		67
55	#endif	68	#endif
56		69
57	#include <math.h>	70	#include <math.h>
58	#include <stdlib.h>	71	#include <stdlib.h>
59	#include <unistd.h>
60	#include <fcntl.h>	72	#include <fcntl.h>
61	#include <signal.h>
62	#include <stddef.h>	73	#include <stddef.h>
63		74
64	#include <stdio.h>	75	#include <stdio.h>
65		76
66	#include <assert.h>	77	#include <assert.h>
67	#include <errno.h>	78	#include <errno.h>
68	#include <sys/types.h>	79	#include <sys/types.h>
		80	#include <time.h>
		81
		82	#include <signal.h>
		83
69	#ifndef WIN32	84	#ifndef _WIN32
		85	# include <unistd.h>
		86	# include <sys/time.h>
70	# include <sys/wait.h>	87	# include <sys/wait.h>
		88	#else
		89	# define WIN32_LEAN_AND_MEAN
		90	# include <windows.h>
		91	# ifndef EV_SELECT_IS_WINSOCKET
		92	# define EV_SELECT_IS_WINSOCKET 1
71	#endif	93	# endif
72	#include <sys/time.h>	94	#endif
73	#include <time.h>
74		95
75	/**/	96	/**/
76		97
77	#ifndef EV_USE_MONOTONIC	98	#ifndef EV_USE_MONOTONIC
78	# define EV_USE_MONOTONIC 1	99	# define EV_USE_MONOTONIC 0
		100	#endif
		101
		102	#ifndef EV_USE_REALTIME
		103	# define EV_USE_REALTIME 0
79	#endif	104	#endif
80		105
81	#ifndef EV_USE_SELECT	106	#ifndef EV_USE_SELECT
82	# define EV_USE_SELECT 1	107	# define EV_USE_SELECT 1
83	#endif	108	#endif
84		109
85	#ifndef EV_USE_POLL	110	#ifndef EV_USE_POLL
86	# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */	111	# ifdef _WIN32
		112	# define EV_USE_POLL 0
		113	# else
		114	# define EV_USE_POLL 1
		115	# endif
87	#endif	116	#endif
88		117
89	#ifndef EV_USE_EPOLL	118	#ifndef EV_USE_EPOLL
90	# define EV_USE_EPOLL 0	119	# define EV_USE_EPOLL 0
91	#endif	120	#endif
92		121
93	#ifndef EV_USE_KQUEUE	122	#ifndef EV_USE_KQUEUE
94	# define EV_USE_KQUEUE 0	123	# define EV_USE_KQUEUE 0
95	#endif	124	#endif
96		125
97	#ifndef EV_USE_REALTIME	126	#ifndef EV_USE_PORT
98	# define EV_USE_REALTIME 1	127	# define EV_USE_PORT 0
99	#endif	128	#endif
100		129
101	/**/	130	/**/
		131
		132	/* darwin simply cannot be helped */
		133	#ifdef __APPLE__
		134	# undef EV_USE_POLL
		135	# undef EV_USE_KQUEUE
		136	#endif
102		137
103	#ifndef CLOCK_MONOTONIC	138	#ifndef CLOCK_MONOTONIC
104	# undef EV_USE_MONOTONIC	139	# undef EV_USE_MONOTONIC
105	# define EV_USE_MONOTONIC 0	140	# define EV_USE_MONOTONIC 0
106	#endif	141	#endif
…		…
108	#ifndef CLOCK_REALTIME	143	#ifndef CLOCK_REALTIME
109	# undef EV_USE_REALTIME	144	# undef EV_USE_REALTIME
110	# define EV_USE_REALTIME 0	145	# define EV_USE_REALTIME 0
111	#endif	146	#endif
112		147
		148	#if EV_SELECT_IS_WINSOCKET
		149	# include <winsock.h>
		150	#endif
		151
113	/**/	152	/**/
114		153
115	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	154	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
116	#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */	155	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
117	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */	156	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */
118	/#define CLEANUP_INTERVAL 300. / how often to try to free memory and re-check fds */	157	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds */
119		158
		159	#ifdef EV_H
		160	# include EV_H
		161	#else
120	#include "ev.h"	162	# include "ev.h"
		163	#endif
121		164
122	#if __GNUC__ >= 3	165	#if __GNUC__ >= 3
123	# define expect(expr,value) __builtin_expect ((expr),(value))	166	# define expect(expr,value) __builtin_expect ((expr),(value))
124	# define inline inline	167	# define inline inline
125	#else	168	#else
…		…
131	#define expect_true(expr) expect ((expr) != 0, 1)	174	#define expect_true(expr) expect ((expr) != 0, 1)
132		175
133	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	176	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
134	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	177	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
135		178
		179	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
		180	#define EMPTY2(a,b) /* used to suppress some warnings */
		181
136	typedef struct ev_watcher *W;	182	typedef struct ev_watcher *W;
137	typedef struct ev_watcher_list *WL;	183	typedef struct ev_watcher_list *WL;
138	typedef struct ev_watcher_time *WT;	184	typedef struct ev_watcher_time *WT;
139		185
140	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	186	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
141		187
		188	#ifdef _WIN32
		189	# include "ev_win32.c"
		190	#endif
		191
142	/*****************************************************************************/	192	/*****************************************************************************/
143		193
		194	static void (syserr_cb)(const char msg);
		195
		196	void ev_set_syserr_cb (void (cb)(const char msg))
		197	{
		198	syserr_cb = cb;
		199	}
		200
		201	static void
		202	syserr (const char *msg)
		203	{
		204	if (!msg)
		205	msg = "(libev) system error";
		206
		207	if (syserr_cb)
		208	syserr_cb (msg);
		209	else
		210	{
		211	perror (msg);
		212	abort ();
		213	}
		214	}
		215
		216	static void (alloc)(void *ptr, long size);
		217
		218	void ev_set_allocator (void (cb)(void *ptr, long size))
		219	{
		220	alloc = cb;
		221	}
		222
		223	static void *
		224	ev_realloc (void *ptr, long size)
		225	{
		226	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
		227
		228	if (!ptr && size)
		229	{
		230	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
		231	abort ();
		232	}
		233
		234	return ptr;
		235	}
		236
		237	#define ev_malloc(size) ev_realloc (0, (size))
		238	#define ev_free(ptr) ev_realloc ((ptr), 0)
		239
		240	/*****************************************************************************/
		241
144	typedef struct	242	typedef struct
145	{	243	{
146	struct ev_watcher_list *head;	244	WL head;
147	unsigned char events;	245	unsigned char events;
148	unsigned char reify;	246	unsigned char reify;
		247	#if EV_SELECT_IS_WINSOCKET
		248	SOCKET handle;
		249	#endif
149	} ANFD;	250	} ANFD;
150		251
151	typedef struct	252	typedef struct
152	{	253	{
153	W w;	254	W w;
154	int events;	255	int events;
155	} ANPENDING;	256	} ANPENDING;
156		257
157	#if EV_MULTIPLICITY	258	#if EV_MULTIPLICITY
158		259
159	struct ev_loop	260	struct ev_loop
160	{	261	{
		262	ev_tstamp ev_rt_now;
		263	#define ev_rt_now ((loop)->ev_rt_now)
161	# define VAR(name,decl) decl;	264	#define VAR(name,decl) decl;
162	# include "ev_vars.h"	265	#include "ev_vars.h"
163	};
164	# undef VAR	266	#undef VAR
		267	};
165	# include "ev_wrap.h"	268	#include "ev_wrap.h"
		269
		270	static struct ev_loop default_loop_struct;
		271	struct ev_loop *ev_default_loop_ptr;
166		272
167	#else	273	#else
168		274
		275	ev_tstamp ev_rt_now;
169	# define VAR(name,decl) static decl;	276	#define VAR(name,decl) static decl;
170	# include "ev_vars.h"	277	#include "ev_vars.h"
171	# undef VAR	278	#undef VAR
		279
		280	static int ev_default_loop_ptr;
172		281
173	#endif	282	#endif
174		283
175	/*****************************************************************************/	284	/*****************************************************************************/
176		285
177	inline ev_tstamp	286	ev_tstamp
178	ev_time (void)	287	ev_time (void)
179	{	288	{
180	#if EV_USE_REALTIME	289	#if EV_USE_REALTIME
181	struct timespec ts;	290	struct timespec ts;
182	clock_gettime (CLOCK_REALTIME, &ts);	291	clock_gettime (CLOCK_REALTIME, &ts);
…		…
201	#endif	310	#endif
202		311
203	return ev_time ();	312	return ev_time ();
204	}	313	}
205		314
		315	#if EV_MULTIPLICITY
206	ev_tstamp	316	ev_tstamp
207	ev_now (EV_P)	317	ev_now (EV_P)
208	{	318	{
209	return rt_now;	319	return ev_rt_now;
210	}	320	}
		321	#endif
211		322
212	#define array_roundsize(base,n) ((n) \| 4 & ~3)	323	#define array_roundsize(type,n) (((n) \| 4) & ~3)
213		324
214	#define array_needsize(base,cur,cnt,init) \	325	#define array_needsize(type,base,cur,cnt,init) \
215	if (expect_false ((cnt) > cur)) \	326	if (expect_false ((cnt) > cur)) \
216	{ \	327	{ \
217	int newcnt = cur; \	328	int newcnt = cur; \
218	do \	329	do \
219	{ \	330	{ \
220	newcnt = array_roundsize (base, newcnt << 1); \	331	newcnt = array_roundsize (type, newcnt << 1); \
221	} \	332	} \
222	while ((cnt) > newcnt); \	333	while ((cnt) > newcnt); \
223	\	334	\
224	base = realloc (base, sizeof (base) (newcnt)); \	335	base = (type )ev_realloc (base, sizeof (type) (newcnt));\
225	init (base + cur, newcnt - cur); \	336	init (base + cur, newcnt - cur); \
226	cur = newcnt; \	337	cur = newcnt; \
227	}	338	}
		339
		340	#define array_slim(type,stem) \
		341	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
		342	{ \
		343	stem ## max = array_roundsize (stem ## cnt >> 1); \
		344	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
		345	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
		346	}
		347
		348	#define array_free(stem, idx) \
		349	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
228		350
229	/*****************************************************************************/	351	/*****************************************************************************/
230		352
231	static void	353	static void
232	anfds_init (ANFD *base, int count)	354	anfds_init (ANFD *base, int count)
…		…
239		361
240	++base;	362	++base;
241	}	363	}
242	}	364	}
243		365
244	static void	366	void
245	event (EV_P_ W w, int events)	367	ev_feed_event (EV_P_ void *w, int revents)
246	{	368	{
		369	W w_ = (W)w;
		370
247	if (w->pending)	371	if (w_->pending)
248	{	372	{
249	pendings [ABSPRI (w)][w->pending - 1].events \|= events;	373	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
250	return;	374	return;
251	}	375	}
252		376
253	w->pending = ++pendingcnt [ABSPRI (w)];	377	w_->pending = ++pendingcnt [ABSPRI (w_)];
254	array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], );	378	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
255	pendings [ABSPRI (w)][w->pending - 1].w = w;	379	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
256	pendings [ABSPRI (w)][w->pending - 1].events = events;	380	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
257	}	381	}
258		382
259	static void	383	static void
260	queue_events (EV_P_ W *events, int eventcnt, int type)	384	queue_events (EV_P_ W *events, int eventcnt, int type)
261	{	385	{
262	int i;	386	int i;
263		387
264	for (i = 0; i < eventcnt; ++i)	388	for (i = 0; i < eventcnt; ++i)
265	event (EV_A_ events [i], type);	389	ev_feed_event (EV_A_ events [i], type);
266	}	390	}
267		391
268	static void	392	inline void
269	fd_event (EV_P_ int fd, int events)	393	fd_event (EV_P_ int fd, int revents)
270	{	394	{
271	ANFD *anfd = anfds + fd;	395	ANFD *anfd = anfds + fd;
272	struct ev_io *w;	396	struct ev_io *w;
273		397
274	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	398	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
275	{	399	{
276	int ev = w->events & events;	400	int ev = w->events & revents;
277		401
278	if (ev)	402	if (ev)
279	event (EV_A_ (W)w, ev);	403	ev_feed_event (EV_A_ (W)w, ev);
280	}	404	}
		405	}
		406
		407	void
		408	ev_feed_fd_event (EV_P_ int fd, int revents)
		409	{
		410	fd_event (EV_A_ fd, revents);
281	}	411	}
282		412
283	/*****************************************************************************/	413	/*****************************************************************************/
284		414
285	static void	415	static void
…		…
296	int events = 0;	426	int events = 0;
297		427
298	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	428	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
299	events \|= w->events;	429	events \|= w->events;
300		430
		431	#if EV_SELECT_IS_WINSOCKET
		432	if (events)
		433	{
		434	unsigned long argp;
		435	anfd->handle = _get_osfhandle (fd);
		436	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
		437	}
		438	#endif
		439
301	anfd->reify = 0;	440	anfd->reify = 0;
302		441
303	if (anfd->events != events)
304	{
305	method_modify (EV_A_ fd, anfd->events, events);	442	method_modify (EV_A_ fd, anfd->events, events);
306	anfd->events = events;	443	anfd->events = events;
307	}
308	}	444	}
309		445
310	fdchangecnt = 0;	446	fdchangecnt = 0;
311	}	447	}
312		448
313	static void	449	static void
314	fd_change (EV_P_ int fd)	450	fd_change (EV_P_ int fd)
315	{	451	{
316	if (anfds [fd].reify \|\| fdchangecnt < 0)	452	if (anfds [fd].reify)
317	return;	453	return;
318		454
319	anfds [fd].reify = 1;	455	anfds [fd].reify = 1;
320		456
321	++fdchangecnt;	457	++fdchangecnt;
322	array_needsize (fdchanges, fdchangemax, fdchangecnt, );	458	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
323	fdchanges [fdchangecnt - 1] = fd;	459	fdchanges [fdchangecnt - 1] = fd;
324	}	460	}
325		461
326	static void	462	static void
327	fd_kill (EV_P_ int fd)	463	fd_kill (EV_P_ int fd)
…		…
329	struct ev_io *w;	465	struct ev_io *w;
330		466
331	while ((w = (struct ev_io *)anfds [fd].head))	467	while ((w = (struct ev_io *)anfds [fd].head))
332	{	468	{
333	ev_io_stop (EV_A_ w);	469	ev_io_stop (EV_A_ w);
334	event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	470	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
335	}	471	}
		472	}
		473
		474	static int
		475	fd_valid (int fd)
		476	{
		477	#ifdef _WIN32
		478	return _get_osfhandle (fd) != -1;
		479	#else
		480	return fcntl (fd, F_GETFD) != -1;
		481	#endif
336	}	482	}
337		483
338	/* called on EBADF to verify fds */	484	/* called on EBADF to verify fds */
339	static void	485	static void
340	fd_ebadf (EV_P)	486	fd_ebadf (EV_P)
341	{	487	{
342	int fd;	488	int fd;
343		489
344	for (fd = 0; fd < anfdmax; ++fd)	490	for (fd = 0; fd < anfdmax; ++fd)
345	if (anfds [fd].events)	491	if (anfds [fd].events)
346	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)	492	if (!fd_valid (fd) == -1 && errno == EBADF)
347	fd_kill (EV_A_ fd);	493	fd_kill (EV_A_ fd);
348	}	494	}
349		495
350	/* called on ENOMEM in select/poll to kill some fds and retry */	496	/* called on ENOMEM in select/poll to kill some fds and retry */
351	static void	497	static void
352	fd_enomem (EV_P)	498	fd_enomem (EV_P)
353	{	499	{
354	int fd = anfdmax;	500	int fd;
355		501
356	while (fd--)	502	for (fd = anfdmax; fd--; )
357	if (anfds [fd].events)	503	if (anfds [fd].events)
358	{	504	{
359	close (fd);
360	fd_kill (EV_A_ fd);	505	fd_kill (EV_A_ fd);
361	return;	506	return;
362	}	507	}
363	}	508	}
364		509
365	/* susually called after fork if method needs to re-arm all fds from scratch */	510	/* usually called after fork if method needs to re-arm all fds from scratch */
366	static void	511	static void
367	fd_rearm_all (EV_P)	512	fd_rearm_all (EV_P)
368	{	513	{
369	int fd;	514	int fd;
370		515
…		…
385	WT w = heap [k];	530	WT w = heap [k];
386		531
387	while (k && heap [k >> 1]->at > w->at)	532	while (k && heap [k >> 1]->at > w->at)
388	{	533	{
389	heap [k] = heap [k >> 1];	534	heap [k] = heap [k >> 1];
390	heap [k]->active = k + 1;	535	((W)heap [k])->active = k + 1;
391	k >>= 1;	536	k >>= 1;
392	}	537	}
393		538
394	heap [k] = w;	539	heap [k] = w;
395	heap [k]->active = k + 1;	540	((W)heap [k])->active = k + 1;
396		541
397	}	542	}
398		543
399	static void	544	static void
400	downheap (WT *heap, int N, int k)	545	downheap (WT *heap, int N, int k)
…		…
410		555
411	if (w->at <= heap [j]->at)	556	if (w->at <= heap [j]->at)
412	break;	557	break;
413		558
414	heap [k] = heap [j];	559	heap [k] = heap [j];
415	heap [k]->active = k + 1;	560	((W)heap [k])->active = k + 1;
416	k = j;	561	k = j;
417	}	562	}
418		563
419	heap [k] = w;	564	heap [k] = w;
420	heap [k]->active = k + 1;	565	((W)heap [k])->active = k + 1;
		566	}
		567
		568	inline void
		569	adjustheap (WT *heap, int N, int k)
		570	{
		571	upheap (heap, k);
		572	downheap (heap, N, k);
421	}	573	}
422		574
423	/*****************************************************************************/	575	/*****************************************************************************/
424		576
425	typedef struct	577	typedef struct
426	{	578	{
427	struct ev_watcher_list *head;	579	WL head;
428	sig_atomic_t volatile gotsig;	580	sig_atomic_t volatile gotsig;
429	} ANSIG;	581	} ANSIG;
430		582
431	static ANSIG *signals;	583	static ANSIG *signals;
432	static int signalmax;	584	static int signalmax;
…		…
448	}	600	}
449		601
450	static void	602	static void
451	sighandler (int signum)	603	sighandler (int signum)
452	{	604	{
		605	#if _WIN32
		606	signal (signum, sighandler);
		607	#endif
		608
453	signals [signum - 1].gotsig = 1;	609	signals [signum - 1].gotsig = 1;
454		610
455	if (!gotsig)	611	if (!gotsig)
456	{	612	{
457	int old_errno = errno;	613	int old_errno = errno;
…		…
459	write (sigpipe [1], &signum, 1);	615	write (sigpipe [1], &signum, 1);
460	errno = old_errno;	616	errno = old_errno;
461	}	617	}
462	}	618	}
463		619
		620	void
		621	ev_feed_signal_event (EV_P_ int signum)
		622	{
		623	WL w;
		624
		625	#if EV_MULTIPLICITY
		626	assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
		627	#endif
		628
		629	--signum;
		630
		631	if (signum < 0 \|\| signum >= signalmax)
		632	return;
		633
		634	signals [signum].gotsig = 0;
		635
		636	for (w = signals [signum].head; w; w = w->next)
		637	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
		638	}
		639
464	static void	640	static void
465	sigcb (EV_P_ struct ev_io *iow, int revents)	641	sigcb (EV_P_ struct ev_io *iow, int revents)
466	{	642	{
467	struct ev_watcher_list *w;
468	int signum;	643	int signum;
469		644
470	read (sigpipe [0], &revents, 1);	645	read (sigpipe [0], &revents, 1);
471	gotsig = 0;	646	gotsig = 0;
472		647
473	for (signum = signalmax; signum--; )	648	for (signum = signalmax; signum--; )
474	if (signals [signum].gotsig)	649	if (signals [signum].gotsig)
475	{	650	ev_feed_signal_event (EV_A_ signum + 1);
476	signals [signum].gotsig = 0;	651	}
477		652
478	for (w = signals [signum].head; w; w = w->next)	653	inline void
479	event (EV_A_ (W)w, EV_SIGNAL);	654	fd_intern (int fd)
480	}	655	{
		656	#ifdef _WIN32
		657	int arg = 1;
		658	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
		659	#else
		660	fcntl (fd, F_SETFD, FD_CLOEXEC);
		661	fcntl (fd, F_SETFL, O_NONBLOCK);
		662	#endif
481	}	663	}
482		664
483	static void	665	static void
484	siginit (EV_P)	666	siginit (EV_P)
485	{	667	{
486	#ifndef WIN32	668	fd_intern (sigpipe [0]);
487	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	669	fd_intern (sigpipe [1]);
488	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
489
490	/* rather than sort out wether we really need nb, set it */
491	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
492	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
493	#endif
494		670
495	ev_io_set (&sigev, sigpipe [0], EV_READ);	671	ev_io_set (&sigev, sigpipe [0], EV_READ);
496	ev_io_start (EV_A_ &sigev);	672	ev_io_start (EV_A_ &sigev);
497	ev_unref (EV_A); /* child watcher should not keep loop alive */	673	ev_unref (EV_A); /* child watcher should not keep loop alive */
498	}	674	}
499		675
500	/*****************************************************************************/	676	/*****************************************************************************/
501		677
502	#ifndef WIN32
503
504	static struct ev_child *childs [PID_HASHSIZE];	678	static struct ev_child *childs [PID_HASHSIZE];
		679
		680	#ifndef _WIN32
		681
505	static struct ev_signal childev;	682	static struct ev_signal childev;
506		683
507	#ifndef WCONTINUED	684	#ifndef WCONTINUED
508	# define WCONTINUED 0	685	# define WCONTINUED 0
509	#endif	686	#endif
…		…
514	struct ev_child *w;	691	struct ev_child *w;
515		692
516	for (w = (struct ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child )((WL)w)->next)	693	for (w = (struct ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child )((WL)w)->next)
517	if (w->pid == pid \|\| !w->pid)	694	if (w->pid == pid \|\| !w->pid)
518	{	695	{
519	w->priority = sw->priority; /* need to do it now */	696	ev_priority (w) = ev_priority (sw); /* need to do it now */
520	w->rpid = pid;	697	w->rpid = pid;
521	w->rstatus = status;	698	w->rstatus = status;
522	event (EV_A_ (W)w, EV_CHILD);	699	ev_feed_event (EV_A_ (W)w, EV_CHILD);
523	}	700	}
524	}	701	}
525		702
526	static void	703	static void
527	childcb (EV_P_ struct ev_signal *sw, int revents)	704	childcb (EV_P_ struct ev_signal *sw, int revents)
…		…
529	int pid, status;	706	int pid, status;
530		707
531	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))	708	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
532	{	709	{
533	/* make sure we are called again until all childs have been reaped */	710	/* make sure we are called again until all childs have been reaped */
534	event (EV_A_ (W)sw, EV_SIGNAL);	711	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
535		712
536	child_reap (EV_A_ sw, pid, pid, status);	713	child_reap (EV_A_ sw, pid, pid, status);
537	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */	714	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
538	}	715	}
539	}	716	}
540		717
541	#endif	718	#endif
542		719
543	/*****************************************************************************/	720	/*****************************************************************************/
544		721
		722	#if EV_USE_PORT
		723	# include "ev_port.c"
		724	#endif
545	#if EV_USE_KQUEUE	725	#if EV_USE_KQUEUE
546	# include "ev_kqueue.c"	726	# include "ev_kqueue.c"
547	#endif	727	#endif
548	#if EV_USE_EPOLL	728	#if EV_USE_EPOLL
549	# include "ev_epoll.c"	729	# include "ev_epoll.c"
…		…
569		749
570	/* return true if we are running with elevated privileges and should ignore env variables */	750	/* return true if we are running with elevated privileges and should ignore env variables */
571	static int	751	static int
572	enable_secure (void)	752	enable_secure (void)
573	{	753	{
574	#ifdef WIN32	754	#ifdef _WIN32
575	return 0;	755	return 0;
576	#else	756	#else
577	return getuid () != geteuid ()	757	return getuid () != geteuid ()
578	\|\| getgid () != getegid ();	758	\|\| getgid () != getegid ();
579	#endif	759	#endif
580	}	760	}
581		761
582	int	762	unsigned int
583	ev_method (EV_P)	763	ev_method (EV_P)
584	{	764	{
585	return method;	765	return method;
586	}	766	}
587		767
588	static void	768	static void
589	loop_init (EV_P_ int methods)	769	loop_init (EV_P_ unsigned int flags)
590	{	770	{
591	if (!method)	771	if (!method)
592	{	772	{
593	#if EV_USE_MONOTONIC	773	#if EV_USE_MONOTONIC
594	{	774	{
…		…
596	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	776	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
597	have_monotonic = 1;	777	have_monotonic = 1;
598	}	778	}
599	#endif	779	#endif
600		780
601	rt_now = ev_time ();	781	ev_rt_now = ev_time ();
602	mn_now = get_clock ();	782	mn_now = get_clock ();
603	now_floor = mn_now;	783	now_floor = mn_now;
604	rtmn_diff = rt_now - mn_now;	784	rtmn_diff = ev_rt_now - mn_now;
605		785
606	if (methods == EVMETHOD_AUTO)	786	if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS"))
607	if (!enable_secure () && getenv ("LIBEV_METHODS"))
608	methods = atoi (getenv ("LIBEV_METHODS"));	787	flags = atoi (getenv ("LIBEV_FLAGS"));
609	else	788
610	methods = EVMETHOD_ANY;	789	if (!(flags & 0x0000ffff))
		790	flags \|= 0x0000ffff;
611		791
612	method = 0;	792	method = 0;
		793	#if EV_USE_PORT
		794	if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags);
		795	#endif
613	#if EV_USE_KQUEUE	796	#if EV_USE_KQUEUE
614	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	797	if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags);
615	#endif	798	#endif
616	#if EV_USE_EPOLL	799	#if EV_USE_EPOLL
617	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	800	if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags);
618	#endif	801	#endif
619	#if EV_USE_POLL	802	#if EV_USE_POLL
620	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	803	if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags);
621	#endif	804	#endif
622	#if EV_USE_SELECT	805	#if EV_USE_SELECT
623	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	806	if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags);
624	#endif	807	#endif
		808
		809	ev_init (&sigev, sigcb);
		810	ev_set_priority (&sigev, EV_MAXPRI);
625	}	811	}
626	}	812	}
627		813
628	void	814	void
629	loop_destroy (EV_P)	815	loop_destroy (EV_P)
630	{	816	{
		817	int i;
		818
		819	#if EV_USE_PORT
		820	if (method == EVMETHOD_PORT ) port_destroy (EV_A);
		821	#endif
631	#if EV_USE_KQUEUE	822	#if EV_USE_KQUEUE
632	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);	823	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
633	#endif	824	#endif
634	#if EV_USE_EPOLL	825	#if EV_USE_EPOLL
635	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);	826	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);
…		…
639	#endif	830	#endif
640	#if EV_USE_SELECT	831	#if EV_USE_SELECT
641	if (method == EVMETHOD_SELECT) select_destroy (EV_A);	832	if (method == EVMETHOD_SELECT) select_destroy (EV_A);
642	#endif	833	#endif
643		834
		835	for (i = NUMPRI; i--; )
		836	array_free (pending, [i]);
		837
		838	/* have to use the microsoft-never-gets-it-right macro */
		839	array_free (fdchange, EMPTY0);
		840	array_free (timer, EMPTY0);
		841	#if EV_PERIODICS
		842	array_free (periodic, EMPTY0);
		843	#endif
		844	array_free (idle, EMPTY0);
		845	array_free (prepare, EMPTY0);
		846	array_free (check, EMPTY0);
		847
644	method = 0;	848	method = 0;
645	/TODO/
646	}	849	}
647		850
648	void	851	static void
649	loop_fork (EV_P)	852	loop_fork (EV_P)
650	{	853	{
651	/TODO/	854	#if EV_USE_PORT
		855	if (method == EVMETHOD_PORT ) port_fork (EV_A);
		856	#endif
		857	#if EV_USE_KQUEUE
		858	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
		859	#endif
652	#if EV_USE_EPOLL	860	#if EV_USE_EPOLL
653	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);	861	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
654	#endif	862	#endif
655	#if EV_USE_KQUEUE	863
656	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);	864	if (ev_is_active (&sigev))
657	#endif	865	{
		866	/* default loop */
		867
		868	ev_ref (EV_A);
		869	ev_io_stop (EV_A_ &sigev);
		870	close (sigpipe [0]);
		871	close (sigpipe [1]);
		872
		873	while (pipe (sigpipe))
		874	syserr ("(libev) error creating pipe");
		875
		876	siginit (EV_A);
		877	}
		878
		879	postfork = 0;
658	}	880	}
659		881
660	#if EV_MULTIPLICITY	882	#if EV_MULTIPLICITY
661	struct ev_loop *	883	struct ev_loop *
662	ev_loop_new (int methods)	884	ev_loop_new (unsigned int flags)
663	{	885	{
664	struct ev_loop loop = (struct ev_loop )calloc (1, sizeof (struct ev_loop));	886	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
665		887
		888	memset (loop, 0, sizeof (struct ev_loop));
		889
666	loop_init (EV_A_ methods);	890	loop_init (EV_A_ flags);
667		891
668	if (ev_method (EV_A))	892	if (ev_method (EV_A))
669	return loop;	893	return loop;
670		894
671	return 0;	895	return 0;
…		…
673		897
674	void	898	void
675	ev_loop_destroy (EV_P)	899	ev_loop_destroy (EV_P)
676	{	900	{
677	loop_destroy (EV_A);	901	loop_destroy (EV_A);
678	free (loop);	902	ev_free (loop);
679	}	903	}
680		904
681	void	905	void
682	ev_loop_fork (EV_P)	906	ev_loop_fork (EV_P)
683	{	907	{
684	loop_fork (EV_A);	908	postfork = 1;
685	}	909	}
686		910
687	#endif	911	#endif
688		912
689	#if EV_MULTIPLICITY	913	#if EV_MULTIPLICITY
690	struct ev_loop default_loop_struct;
691	static struct ev_loop *default_loop;
692
693	struct ev_loop *	914	struct ev_loop *
		915	ev_default_loop_ (unsigned int flags)
694	#else	916	#else
695	static int default_loop;
696
697	int	917	int
		918	ev_default_loop (unsigned int flags)
698	#endif	919	#endif
699	ev_default_loop (int methods)
700	{	920	{
701	if (sigpipe [0] == sigpipe [1])	921	if (sigpipe [0] == sigpipe [1])
702	if (pipe (sigpipe))	922	if (pipe (sigpipe))
703	return 0;	923	return 0;
704		924
705	if (!default_loop)	925	if (!ev_default_loop_ptr)
706	{	926	{
707	#if EV_MULTIPLICITY	927	#if EV_MULTIPLICITY
708	struct ev_loop *loop = default_loop = &default_loop_struct;	928	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
709	#else	929	#else
710	default_loop = 1;	930	ev_default_loop_ptr = 1;
711	#endif	931	#endif
712		932
713	loop_init (EV_A_ methods);	933	loop_init (EV_A_ flags);
714		934
715	if (ev_method (EV_A))	935	if (ev_method (EV_A))
716	{	936	{
717	ev_watcher_init (&sigev, sigcb);
718	ev_set_priority (&sigev, EV_MAXPRI);
719	siginit (EV_A);	937	siginit (EV_A);
720		938
721	#ifndef WIN32	939	#ifndef _WIN32
722	ev_signal_init (&childev, childcb, SIGCHLD);	940	ev_signal_init (&childev, childcb, SIGCHLD);
723	ev_set_priority (&childev, EV_MAXPRI);	941	ev_set_priority (&childev, EV_MAXPRI);
724	ev_signal_start (EV_A_ &childev);	942	ev_signal_start (EV_A_ &childev);
725	ev_unref (EV_A); /* child watcher should not keep loop alive */	943	ev_unref (EV_A); /* child watcher should not keep loop alive */
726	#endif	944	#endif
727	}	945	}
728	else	946	else
729	default_loop = 0;	947	ev_default_loop_ptr = 0;
730	}	948	}
731		949
732	return default_loop;	950	return ev_default_loop_ptr;
733	}	951	}
734		952
735	void	953	void
736	ev_default_destroy (void)	954	ev_default_destroy (void)
737	{	955	{
738	#if EV_MULTIPLICITY	956	#if EV_MULTIPLICITY
739	struct ev_loop *loop = default_loop;	957	struct ev_loop *loop = ev_default_loop_ptr;
740	#endif	958	#endif
741		959
		960	#ifndef _WIN32
742	ev_ref (EV_A); /* child watcher */	961	ev_ref (EV_A); /* child watcher */
743	ev_signal_stop (EV_A_ &childev);	962	ev_signal_stop (EV_A_ &childev);
		963	#endif
744		964
745	ev_ref (EV_A); /* signal watcher */	965	ev_ref (EV_A); /* signal watcher */
746	ev_io_stop (EV_A_ &sigev);	966	ev_io_stop (EV_A_ &sigev);
747		967
748	close (sigpipe [0]); sigpipe [0] = 0;	968	close (sigpipe [0]); sigpipe [0] = 0;
…		…
753		973
754	void	974	void
755	ev_default_fork (void)	975	ev_default_fork (void)
756	{	976	{
757	#if EV_MULTIPLICITY	977	#if EV_MULTIPLICITY
758	struct ev_loop *loop = default_loop;	978	struct ev_loop *loop = ev_default_loop_ptr;
759	#endif	979	#endif
760		980
761	loop_fork (EV_A);	981	if (method)
762		982	postfork = 1;
763	ev_io_stop (EV_A_ &sigev);
764	close (sigpipe [0]);
765	close (sigpipe [1]);
766	pipe (sigpipe);
767
768	ev_ref (EV_A); /* signal watcher */
769	siginit (EV_A);
770	}	983	}
771		984
772	/*****************************************************************************/	985	/*****************************************************************************/
		986
		987	static int
		988	any_pending (EV_P)
		989	{
		990	int pri;
		991
		992	for (pri = NUMPRI; pri--; )
		993	if (pendingcnt [pri])
		994	return 1;
		995
		996	return 0;
		997	}
773		998
774	static void	999	static void
775	call_pending (EV_P)	1000	call_pending (EV_P)
776	{	1001	{
777	int pri;	1002	int pri;
…		…
782	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1007	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
783		1008
784	if (p->w)	1009	if (p->w)
785	{	1010	{
786	p->w->pending = 0;	1011	p->w->pending = 0;
787	p->w->cb (EV_A_ p->w, p->events);	1012	EV_CB_INVOKE (p->w, p->events);
788	}	1013	}
789	}	1014	}
790	}	1015	}
791		1016
792	static void	1017	static void
793	timers_reify (EV_P)	1018	timers_reify (EV_P)
794	{	1019	{
795	while (timercnt && timers [0]->at <= mn_now)	1020	while (timercnt && ((WT)timers [0])->at <= mn_now)
796	{	1021	{
797	struct ev_timer *w = timers [0];	1022	struct ev_timer *w = timers [0];
798		1023
799	assert (("inactive timer on timer heap detected", ev_is_active (w)));	1024	assert (("inactive timer on timer heap detected", ev_is_active (w)));
800		1025
801	/* first reschedule or stop timer */	1026	/* first reschedule or stop timer */
802	if (w->repeat)	1027	if (w->repeat)
803	{	1028	{
804	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1029	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
		1030
805	w->at = mn_now + w->repeat;	1031	((WT)w)->at += w->repeat;
		1032	if (((WT)w)->at < mn_now)
		1033	((WT)w)->at = mn_now;
		1034
806	downheap ((WT *)timers, timercnt, 0);	1035	downheap ((WT *)timers, timercnt, 0);
807	}	1036	}
808	else	1037	else
809	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1038	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
810		1039
811	event (EV_A_ (W)w, EV_TIMEOUT);	1040	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
812	}	1041	}
813	}	1042	}
814		1043
		1044	#if EV_PERIODICS
815	static void	1045	static void
816	periodics_reify (EV_P)	1046	periodics_reify (EV_P)
817	{	1047	{
818	while (periodiccnt && periodics [0]->at <= rt_now)	1048	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
819	{	1049	{
820	struct ev_periodic *w = periodics [0];	1050	struct ev_periodic *w = periodics [0];
821		1051
822	assert (("inactive timer on periodic heap detected", ev_is_active (w)));	1052	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
823		1053
824	/* first reschedule or stop timer */	1054	/* first reschedule or stop timer */
825	if (w->interval)	1055	if (w->reschedule_cb)
826	{	1056	{
		1057	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
		1058	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
		1059	downheap ((WT *)periodics, periodiccnt, 0);
		1060	}
		1061	else if (w->interval)
		1062	{
827	w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval;	1063	((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
828	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now));	1064	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
829	downheap ((WT *)periodics, periodiccnt, 0);	1065	downheap ((WT *)periodics, periodiccnt, 0);
830	}	1066	}
831	else	1067	else
832	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1068	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
833		1069
834	event (EV_A_ (W)w, EV_PERIODIC);	1070	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
835	}	1071	}
836	}	1072	}
837		1073
838	static void	1074	static void
839	periodics_reschedule (EV_P)	1075	periodics_reschedule (EV_P)
…		…
843	/* adjust periodics after time jump */	1079	/* adjust periodics after time jump */
844	for (i = 0; i < periodiccnt; ++i)	1080	for (i = 0; i < periodiccnt; ++i)
845	{	1081	{
846	struct ev_periodic *w = periodics [i];	1082	struct ev_periodic *w = periodics [i];
847		1083
		1084	if (w->reschedule_cb)
		1085	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
848	if (w->interval)	1086	else if (w->interval)
849	{
850	ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval;	1087	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
851
852	if (fabs (diff) >= 1e-4)
853	{
854	ev_periodic_stop (EV_A_ w);
855	ev_periodic_start (EV_A_ w);
856
857	i = 0; /* restart loop, inefficient, but time jumps should be rare */
858	}
859	}
860	}	1088	}
		1089
		1090	/* now rebuild the heap */
		1091	for (i = periodiccnt >> 1; i--; )
		1092	downheap ((WT *)periodics, periodiccnt, i);
861	}	1093	}
		1094	#endif
862		1095
863	inline int	1096	inline int
864	time_update_monotonic (EV_P)	1097	time_update_monotonic (EV_P)
865	{	1098	{
866	mn_now = get_clock ();	1099	mn_now = get_clock ();
867		1100
868	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1101	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
869	{	1102	{
870	rt_now = rtmn_diff + mn_now;	1103	ev_rt_now = rtmn_diff + mn_now;
871	return 0;	1104	return 0;
872	}	1105	}
873	else	1106	else
874	{	1107	{
875	now_floor = mn_now;	1108	now_floor = mn_now;
876	rt_now = ev_time ();	1109	ev_rt_now = ev_time ();
877	return 1;	1110	return 1;
878	}	1111	}
879	}	1112	}
880		1113
881	static void	1114	static void
…		…
890	{	1123	{
891	ev_tstamp odiff = rtmn_diff;	1124	ev_tstamp odiff = rtmn_diff;
892		1125
893	for (i = 4; --i; ) /* loop a few times, before making important decisions */	1126	for (i = 4; --i; ) /* loop a few times, before making important decisions */
894	{	1127	{
895	rtmn_diff = rt_now - mn_now;	1128	rtmn_diff = ev_rt_now - mn_now;
896		1129
897	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1130	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
898	return; /* all is well */	1131	return; /* all is well */
899		1132
900	rt_now = ev_time ();	1133	ev_rt_now = ev_time ();
901	mn_now = get_clock ();	1134	mn_now = get_clock ();
902	now_floor = mn_now;	1135	now_floor = mn_now;
903	}	1136	}
904		1137
		1138	# if EV_PERIODICS
905	periodics_reschedule (EV_A);	1139	periodics_reschedule (EV_A);
		1140	# endif
906	/* no timer adjustment, as the monotonic clock doesn't jump */	1141	/* no timer adjustment, as the monotonic clock doesn't jump */
907	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */	1142	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
908	}	1143	}
909	}	1144	}
910	else	1145	else
911	#endif	1146	#endif
912	{	1147	{
913	rt_now = ev_time ();	1148	ev_rt_now = ev_time ();
914		1149
915	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1150	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
916	{	1151	{
		1152	#if EV_PERIODICS
917	periodics_reschedule (EV_A);	1153	periodics_reschedule (EV_A);
		1154	#endif
918		1155
919	/* adjust timers. this is easy, as the offset is the same for all */	1156	/* adjust timers. this is easy, as the offset is the same for all */
920	for (i = 0; i < timercnt; ++i)	1157	for (i = 0; i < timercnt; ++i)
921	timers [i]->at += rt_now - mn_now;	1158	((WT)timers [i])->at += ev_rt_now - mn_now;
922	}	1159	}
923		1160
924	mn_now = rt_now;	1161	mn_now = ev_rt_now;
925	}	1162	}
926	}	1163	}
927		1164
928	void	1165	void
929	ev_ref (EV_P)	1166	ev_ref (EV_P)
…		…
943	ev_loop (EV_P_ int flags)	1180	ev_loop (EV_P_ int flags)
944	{	1181	{
945	double block;	1182	double block;
946	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1183	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
947		1184
948	do	1185	while (activecnt)
949	{	1186	{
950	/* queue check watchers (and execute them) */	1187	/* queue check watchers (and execute them) */
951	if (expect_false (preparecnt))	1188	if (expect_false (preparecnt))
952	{	1189	{
953	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1190	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
954	call_pending (EV_A);	1191	call_pending (EV_A);
955	}	1192	}
956		1193
		1194	/* we might have forked, so reify kernel state if necessary */
		1195	if (expect_false (postfork))
		1196	loop_fork (EV_A);
		1197
957	/* update fd-related kernel structures */	1198	/* update fd-related kernel structures */
958	fd_reify (EV_A);	1199	fd_reify (EV_A);
959		1200
960	/* calculate blocking time */	1201	/* calculate blocking time */
961		1202
962	/* we only need this for !monotonic clockor timers, but as we basically	1203	/* we only need this for !monotonic clock or timers, but as we basically
963	always have timers, we just calculate it always */	1204	always have timers, we just calculate it always */
964	#if EV_USE_MONOTONIC	1205	#if EV_USE_MONOTONIC
965	if (expect_true (have_monotonic))	1206	if (expect_true (have_monotonic))
966	time_update_monotonic (EV_A);	1207	time_update_monotonic (EV_A);
967	else	1208	else
968	#endif	1209	#endif
969	{	1210	{
970	rt_now = ev_time ();	1211	ev_rt_now = ev_time ();
971	mn_now = rt_now;	1212	mn_now = ev_rt_now;
972	}	1213	}
973		1214
974	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1215	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
975	block = 0.;	1216	block = 0.;
976	else	1217	else
977	{	1218	{
978	block = MAX_BLOCKTIME;	1219	block = MAX_BLOCKTIME;
979		1220
980	if (timercnt)	1221	if (timercnt)
981	{	1222	{
982	ev_tstamp to = timers [0]->at - mn_now + method_fudge;	1223	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
983	if (block > to) block = to;	1224	if (block > to) block = to;
984	}	1225	}
985		1226
		1227	#if EV_PERIODICS
986	if (periodiccnt)	1228	if (periodiccnt)
987	{	1229	{
988	ev_tstamp to = periodics [0]->at - rt_now + method_fudge;	1230	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
989	if (block > to) block = to;	1231	if (block > to) block = to;
990	}	1232	}
		1233	#endif
991		1234
992	if (block < 0.) block = 0.;	1235	if (block < 0.) block = 0.;
993	}	1236	}
994		1237
995	method_poll (EV_A_ block);	1238	method_poll (EV_A_ block);
996		1239
997	/* update rt_now, do magic */	1240	/* update ev_rt_now, do magic */
998	time_update (EV_A);	1241	time_update (EV_A);
999		1242
1000	/* queue pending timers and reschedule them */	1243	/* queue pending timers and reschedule them */
1001	timers_reify (EV_A); /* relative timers called last */	1244	timers_reify (EV_A); /* relative timers called last */
		1245	#if EV_PERIODICS
1002	periodics_reify (EV_A); /* absolute timers called first */	1246	periodics_reify (EV_A); /* absolute timers called first */
		1247	#endif
1003		1248
1004	/* queue idle watchers unless io or timers are pending */	1249	/* queue idle watchers unless io or timers are pending */
1005	if (!pendingcnt)	1250	if (idlecnt && !any_pending (EV_A))
1006	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1251	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
1007		1252
1008	/* queue check watchers, to be executed first */	1253	/* queue check watchers, to be executed first */
1009	if (checkcnt)	1254	if (checkcnt)
1010	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1255	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1011		1256
1012	call_pending (EV_A);	1257	call_pending (EV_A);
		1258
		1259	if (loop_done)
		1260	break;
1013	}	1261	}
1014	while (activecnt && !loop_done);
1015		1262
1016	if (loop_done != 2)	1263	if (loop_done != 2)
1017	loop_done = 0;	1264	loop_done = 0;
1018	}	1265	}
1019		1266
…		…
1085	return;	1332	return;
1086		1333
1087	assert (("ev_io_start called with negative fd", fd >= 0));	1334	assert (("ev_io_start called with negative fd", fd >= 0));
1088		1335
1089	ev_start (EV_A_ (W)w, 1);	1336	ev_start (EV_A_ (W)w, 1);
1090	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	1337	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1091	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1338	wlist_add ((WL *)&anfds[fd].head, (WL)w);
1092		1339
1093	fd_change (EV_A_ fd);	1340	fd_change (EV_A_ fd);
1094	}	1341	}
1095		1342
…		…
1098	{	1345	{
1099	ev_clear_pending (EV_A_ (W)w);	1346	ev_clear_pending (EV_A_ (W)w);
1100	if (!ev_is_active (w))	1347	if (!ev_is_active (w))
1101	return;	1348	return;
1102		1349
		1350	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
		1351
1103	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1352	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
1104	ev_stop (EV_A_ (W)w);	1353	ev_stop (EV_A_ (W)w);
1105		1354
1106	fd_change (EV_A_ w->fd);	1355	fd_change (EV_A_ w->fd);
1107	}	1356	}
…		…
1110	ev_timer_start (EV_P_ struct ev_timer *w)	1359	ev_timer_start (EV_P_ struct ev_timer *w)
1111	{	1360	{
1112	if (ev_is_active (w))	1361	if (ev_is_active (w))
1113	return;	1362	return;
1114		1363
1115	w->at += mn_now;	1364	((WT)w)->at += mn_now;
1116		1365
1117	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1366	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1118		1367
1119	ev_start (EV_A_ (W)w, ++timercnt);	1368	ev_start (EV_A_ (W)w, ++timercnt);
1120	array_needsize (timers, timermax, timercnt, );	1369	array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2);
1121	timers [timercnt - 1] = w;	1370	timers [timercnt - 1] = w;
1122	upheap ((WT *)timers, timercnt - 1);	1371	upheap ((WT *)timers, timercnt - 1);
		1372
		1373	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1123	}	1374	}
1124		1375
1125	void	1376	void
1126	ev_timer_stop (EV_P_ struct ev_timer *w)	1377	ev_timer_stop (EV_P_ struct ev_timer *w)
1127	{	1378	{
1128	ev_clear_pending (EV_A_ (W)w);	1379	ev_clear_pending (EV_A_ (W)w);
1129	if (!ev_is_active (w))	1380	if (!ev_is_active (w))
1130	return;	1381	return;
1131		1382
		1383	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1384
1132	if (w->active < timercnt--)	1385	if (((W)w)->active < timercnt--)
1133	{	1386	{
1134	timers [w->active - 1] = timers [timercnt];	1387	timers [((W)w)->active - 1] = timers [timercnt];
1135	downheap ((WT *)timers, timercnt, w->active - 1);	1388	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1136	}	1389	}
1137		1390
1138	w->at = w->repeat;	1391	((WT)w)->at -= mn_now;
1139		1392
1140	ev_stop (EV_A_ (W)w);	1393	ev_stop (EV_A_ (W)w);
1141	}	1394	}
1142		1395
1143	void	1396	void
…		…
1145	{	1398	{
1146	if (ev_is_active (w))	1399	if (ev_is_active (w))
1147	{	1400	{
1148	if (w->repeat)	1401	if (w->repeat)
1149	{	1402	{
1150	w->at = mn_now + w->repeat;	1403	((WT)w)->at = mn_now + w->repeat;
1151	downheap ((WT *)timers, timercnt, w->active - 1);	1404	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1152	}	1405	}
1153	else	1406	else
1154	ev_timer_stop (EV_A_ w);	1407	ev_timer_stop (EV_A_ w);
1155	}	1408	}
1156	else if (w->repeat)	1409	else if (w->repeat)
		1410	{
		1411	w->at = w->repeat;
1157	ev_timer_start (EV_A_ w);	1412	ev_timer_start (EV_A_ w);
		1413	}
1158	}	1414	}
1159		1415
		1416	#if EV_PERIODICS
1160	void	1417	void
1161	ev_periodic_start (EV_P_ struct ev_periodic *w)	1418	ev_periodic_start (EV_P_ struct ev_periodic *w)
1162	{	1419	{
1163	if (ev_is_active (w))	1420	if (ev_is_active (w))
1164	return;	1421	return;
1165		1422
		1423	if (w->reschedule_cb)
		1424	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
		1425	else if (w->interval)
		1426	{
1166	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1427	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1167
1168	/* this formula differs from the one in periodic_reify because we do not always round up */	1428	/* this formula differs from the one in periodic_reify because we do not always round up */
1169	if (w->interval)
1170	w->at += ceil ((rt_now - w->at) / w->interval) * w->interval;	1429	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
		1430	}
1171		1431
1172	ev_start (EV_A_ (W)w, ++periodiccnt);	1432	ev_start (EV_A_ (W)w, ++periodiccnt);
1173	array_needsize (periodics, periodicmax, periodiccnt, );	1433	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1174	periodics [periodiccnt - 1] = w;	1434	periodics [periodiccnt - 1] = w;
1175	upheap ((WT *)periodics, periodiccnt - 1);	1435	upheap ((WT *)periodics, periodiccnt - 1);
		1436
		1437	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1176	}	1438	}
1177		1439
1178	void	1440	void
1179	ev_periodic_stop (EV_P_ struct ev_periodic *w)	1441	ev_periodic_stop (EV_P_ struct ev_periodic *w)
1180	{	1442	{
1181	ev_clear_pending (EV_A_ (W)w);	1443	ev_clear_pending (EV_A_ (W)w);
1182	if (!ev_is_active (w))	1444	if (!ev_is_active (w))
1183	return;	1445	return;
1184		1446
		1447	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1448
1185	if (w->active < periodiccnt--)	1449	if (((W)w)->active < periodiccnt--)
1186	{	1450	{
1187	periodics [w->active - 1] = periodics [periodiccnt];	1451	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1188	downheap ((WT *)periodics, periodiccnt, w->active - 1);	1452	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1189	}	1453	}
1190		1454
1191	ev_stop (EV_A_ (W)w);	1455	ev_stop (EV_A_ (W)w);
1192	}	1456	}
1193		1457
1194	void	1458	void
		1459	ev_periodic_again (EV_P_ struct ev_periodic *w)
		1460	{
		1461	/* TODO: use adjustheap and recalculation */
		1462	ev_periodic_stop (EV_A_ w);
		1463	ev_periodic_start (EV_A_ w);
		1464	}
		1465	#endif
		1466
		1467	void
1195	ev_idle_start (EV_P_ struct ev_idle *w)	1468	ev_idle_start (EV_P_ struct ev_idle *w)
1196	{	1469	{
1197	if (ev_is_active (w))	1470	if (ev_is_active (w))
1198	return;	1471	return;
1199		1472
1200	ev_start (EV_A_ (W)w, ++idlecnt);	1473	ev_start (EV_A_ (W)w, ++idlecnt);
1201	array_needsize (idles, idlemax, idlecnt, );	1474	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1202	idles [idlecnt - 1] = w;	1475	idles [idlecnt - 1] = w;
1203	}	1476	}
1204		1477
1205	void	1478	void
1206	ev_idle_stop (EV_P_ struct ev_idle *w)	1479	ev_idle_stop (EV_P_ struct ev_idle *w)
1207	{	1480	{
1208	ev_clear_pending (EV_A_ (W)w);	1481	ev_clear_pending (EV_A_ (W)w);
		1482	if (!ev_is_active (w))
		1483	return;
		1484
		1485	idles [((W)w)->active - 1] = idles [--idlecnt];
		1486	ev_stop (EV_A_ (W)w);
		1487	}
		1488
		1489	void
		1490	ev_prepare_start (EV_P_ struct ev_prepare *w)
		1491	{
1209	if (ev_is_active (w))	1492	if (ev_is_active (w))
1210	return;	1493	return;
1211		1494
1212	idles [w->active - 1] = idles [--idlecnt];	1495	ev_start (EV_A_ (W)w, ++preparecnt);
		1496	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
		1497	prepares [preparecnt - 1] = w;
		1498	}
		1499
		1500	void
		1501	ev_prepare_stop (EV_P_ struct ev_prepare *w)
		1502	{
		1503	ev_clear_pending (EV_A_ (W)w);
		1504	if (!ev_is_active (w))
		1505	return;
		1506
		1507	prepares [((W)w)->active - 1] = prepares [--preparecnt];
1213	ev_stop (EV_A_ (W)w);	1508	ev_stop (EV_A_ (W)w);
1214	}	1509	}
1215		1510
1216	void	1511	void
1217	ev_prepare_start (EV_P_ struct ev_prepare *w)	1512	ev_check_start (EV_P_ struct ev_check *w)
1218	{	1513	{
1219	if (ev_is_active (w))	1514	if (ev_is_active (w))
1220	return;	1515	return;
1221		1516
1222	ev_start (EV_A_ (W)w, ++preparecnt);	1517	ev_start (EV_A_ (W)w, ++checkcnt);
1223	array_needsize (prepares, preparemax, preparecnt, );	1518	array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2);
1224	prepares [preparecnt - 1] = w;	1519	checks [checkcnt - 1] = w;
1225	}	1520	}
1226		1521
1227	void	1522	void
1228	ev_prepare_stop (EV_P_ struct ev_prepare *w)	1523	ev_check_stop (EV_P_ struct ev_check *w)
1229	{	1524	{
1230	ev_clear_pending (EV_A_ (W)w);	1525	ev_clear_pending (EV_A_ (W)w);
1231	if (ev_is_active (w))	1526	if (!ev_is_active (w))
1232	return;	1527	return;
1233		1528
1234	prepares [w->active - 1] = prepares [--preparecnt];
1235	ev_stop (EV_A_ (W)w);
1236	}
1237
1238	void
1239	ev_check_start (EV_P_ struct ev_check *w)
1240	{
1241	if (ev_is_active (w))
1242	return;
1243
1244	ev_start (EV_A_ (W)w, ++checkcnt);
1245	array_needsize (checks, checkmax, checkcnt, );
1246	checks [checkcnt - 1] = w;
1247	}
1248
1249	void
1250	ev_check_stop (EV_P_ struct ev_check *w)
1251	{
1252	ev_clear_pending (EV_A_ (W)w);
1253	if (ev_is_active (w))
1254	return;
1255
1256	checks [w->active - 1] = checks [--checkcnt];	1529	checks [((W)w)->active - 1] = checks [--checkcnt];
1257	ev_stop (EV_A_ (W)w);	1530	ev_stop (EV_A_ (W)w);
1258	}	1531	}
1259		1532
1260	#ifndef SA_RESTART	1533	#ifndef SA_RESTART
1261	# define SA_RESTART 0	1534	# define SA_RESTART 0
…		…
1263		1536
1264	void	1537	void
1265	ev_signal_start (EV_P_ struct ev_signal *w)	1538	ev_signal_start (EV_P_ struct ev_signal *w)
1266	{	1539	{
1267	#if EV_MULTIPLICITY	1540	#if EV_MULTIPLICITY
1268	assert (("signal watchers are only supported in the default loop", loop == default_loop));	1541	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1269	#endif	1542	#endif
1270	if (ev_is_active (w))	1543	if (ev_is_active (w))
1271	return;	1544	return;
1272		1545
1273	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1546	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1274		1547
1275	ev_start (EV_A_ (W)w, 1);	1548	ev_start (EV_A_ (W)w, 1);
1276	array_needsize (signals, signalmax, w->signum, signals_init);	1549	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1277	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1550	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1278		1551
1279	if (!w->next)	1552	if (!((WL)w)->next)
1280	{	1553	{
		1554	#if _WIN32
		1555	signal (w->signum, sighandler);
		1556	#else
1281	struct sigaction sa;	1557	struct sigaction sa;
1282	sa.sa_handler = sighandler;	1558	sa.sa_handler = sighandler;
1283	sigfillset (&sa.sa_mask);	1559	sigfillset (&sa.sa_mask);
1284	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	1560	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1285	sigaction (w->signum, &sa, 0);	1561	sigaction (w->signum, &sa, 0);
		1562	#endif
1286	}	1563	}
1287	}	1564	}
1288		1565
1289	void	1566	void
1290	ev_signal_stop (EV_P_ struct ev_signal *w)	1567	ev_signal_stop (EV_P_ struct ev_signal *w)
…		…
1302		1579
1303	void	1580	void
1304	ev_child_start (EV_P_ struct ev_child *w)	1581	ev_child_start (EV_P_ struct ev_child *w)
1305	{	1582	{
1306	#if EV_MULTIPLICITY	1583	#if EV_MULTIPLICITY
1307	assert (("child watchers are only supported in the default loop", loop == default_loop));	1584	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1308	#endif	1585	#endif
1309	if (ev_is_active (w))	1586	if (ev_is_active (w))
1310	return;	1587	return;
1311		1588
1312	ev_start (EV_A_ (W)w, 1);	1589	ev_start (EV_A_ (W)w, 1);
…		…
1315		1592
1316	void	1593	void
1317	ev_child_stop (EV_P_ struct ev_child *w)	1594	ev_child_stop (EV_P_ struct ev_child *w)
1318	{	1595	{
1319	ev_clear_pending (EV_A_ (W)w);	1596	ev_clear_pending (EV_A_ (W)w);
1320	if (ev_is_active (w))	1597	if (!ev_is_active (w))
1321	return;	1598	return;
1322		1599
1323	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1600	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1324	ev_stop (EV_A_ (W)w);	1601	ev_stop (EV_A_ (W)w);
1325	}	1602	}
…		…
1340	void (cb)(int revents, void arg) = once->cb;	1617	void (cb)(int revents, void arg) = once->cb;
1341	void *arg = once->arg;	1618	void *arg = once->arg;
1342		1619
1343	ev_io_stop (EV_A_ &once->io);	1620	ev_io_stop (EV_A_ &once->io);
1344	ev_timer_stop (EV_A_ &once->to);	1621	ev_timer_stop (EV_A_ &once->to);
1345	free (once);	1622	ev_free (once);
1346		1623
1347	cb (revents, arg);	1624	cb (revents, arg);
1348	}	1625	}
1349		1626
1350	static void	1627	static void
…		…
1360	}	1637	}
1361		1638
1362	void	1639	void
1363	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1640	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1364	{	1641	{
1365	struct ev_once *once = malloc (sizeof (struct ev_once));	1642	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1366		1643
1367	if (!once)	1644	if (!once)
1368	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1645	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1369	else	1646	else
1370	{	1647	{
1371	once->cb = cb;	1648	once->cb = cb;
1372	once->arg = arg;	1649	once->arg = arg;
1373		1650
1374	ev_watcher_init (&once->io, once_cb_io);	1651	ev_init (&once->io, once_cb_io);
1375	if (fd >= 0)	1652	if (fd >= 0)
1376	{	1653	{
1377	ev_io_set (&once->io, fd, events);	1654	ev_io_set (&once->io, fd, events);
1378	ev_io_start (EV_A_ &once->io);	1655	ev_io_start (EV_A_ &once->io);
1379	}	1656	}
1380		1657
1381	ev_watcher_init (&once->to, once_cb_to);	1658	ev_init (&once->to, once_cb_to);
1382	if (timeout >= 0.)	1659	if (timeout >= 0.)
1383	{	1660	{
1384	ev_timer_set (&once->to, timeout, 0.);	1661	ev_timer_set (&once->to, timeout, 0.);
1385	ev_timer_start (EV_A_ &once->to);	1662	ev_timer_start (EV_A_ &once->to);
1386	}	1663	}
1387	}	1664	}
1388	}	1665	}
1389		1666
		1667	#ifdef __cplusplus
		1668	}
		1669	#endif
		1670

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Comparing libev/ev.c (file contents): Revision 1.61 by root, Sun Nov 4 19:45:09 2007 UTC vs. Revision 1.121 by root, Fri Nov 16 10:37:28 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.61 by root, Sun Nov 4 19:45:09 2007 UTC vs.
Revision 1.121 by root, Fri Nov 16 10:37:28 2007 UTC