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

Comparing libev/ev.c (file contents):
Revision 1.60 by root, Sun Nov 4 18:29:44 2007 UTC vs.
Revision 1.120 by root, Fri Nov 16 01:54:25 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 1
79	#endif	100	#endif
80		101
		102	#ifndef EV_USE_REALTIME
		103	# define EV_USE_REALTIME 1
		104	#endif
		105
81	#ifndef EV_USE_SELECT	106	#ifndef EV_USE_SELECT
82	# define EV_USE_SELECT 1	107	# define EV_USE_SELECT 1
		108	# define EV_SELECT_USE_FD_SET 1
83	#endif	109	#endif
84		110
85	#ifndef EV_USE_POLL	111	#ifndef EV_USE_POLL
86	# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */	112	# ifdef _WIN32
		113	# define EV_USE_POLL 0
		114	# else
		115	# define EV_USE_POLL 1
		116	# endif
87	#endif	117	#endif
88		118
89	#ifndef EV_USE_EPOLL	119	#ifndef EV_USE_EPOLL
90	# define EV_USE_EPOLL 0	120	# define EV_USE_EPOLL 0
91	#endif	121	#endif
92		122
93	#ifndef EV_USE_KQUEUE	123	#ifndef EV_USE_KQUEUE
94	# define EV_USE_KQUEUE 0	124	# define EV_USE_KQUEUE 0
95	#endif	125	#endif
96		126
97	#ifndef EV_USE_REALTIME	127	#ifndef EV_USE_PORT
98	# define EV_USE_REALTIME 1	128	# define EV_USE_PORT 0
99	#endif	129	#endif
100		130
101	/**/	131	/**/
		132
		133	/* darwin simply cannot be helped */
		134	#ifdef __APPLE__
		135	# undef EV_USE_POLL
		136	# undef EV_USE_KQUEUE
		137	#endif
102		138
103	#ifndef CLOCK_MONOTONIC	139	#ifndef CLOCK_MONOTONIC
104	# undef EV_USE_MONOTONIC	140	# undef EV_USE_MONOTONIC
105	# define EV_USE_MONOTONIC 0	141	# define EV_USE_MONOTONIC 0
106	#endif	142	#endif
…		…
108	#ifndef CLOCK_REALTIME	144	#ifndef CLOCK_REALTIME
109	# undef EV_USE_REALTIME	145	# undef EV_USE_REALTIME
110	# define EV_USE_REALTIME 0	146	# define EV_USE_REALTIME 0
111	#endif	147	#endif
112		148
		149	#if EV_SELECT_IS_WINSOCKET
		150	# include <winsock.h>
		151	#endif
		152
113	/**/	153	/**/
114		154
115	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	155	#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) */	156	#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 */	157	#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 */	158	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds */
119		159
		160	#ifdef EV_H
		161	# include EV_H
		162	#else
120	#include "ev.h"	163	# include "ev.h"
		164	#endif
121		165
122	#if __GNUC__ >= 3	166	#if __GNUC__ >= 3
123	# define expect(expr,value) __builtin_expect ((expr),(value))	167	# define expect(expr,value) __builtin_expect ((expr),(value))
124	# define inline inline	168	# define inline inline
125	#else	169	#else
…		…
131	#define expect_true(expr) expect ((expr) != 0, 1)	175	#define expect_true(expr) expect ((expr) != 0, 1)
132		176
133	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	177	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
134	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	178	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
135		179
		180	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
		181	#define EMPTY2(a,b) /* used to suppress some warnings */
		182
136	typedef struct ev_watcher *W;	183	typedef struct ev_watcher *W;
137	typedef struct ev_watcher_list *WL;	184	typedef struct ev_watcher_list *WL;
138	typedef struct ev_watcher_time *WT;	185	typedef struct ev_watcher_time *WT;
139		186
140	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	187	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
141		188
		189	#ifdef _WIN32
		190	# include "ev_win32.c"
		191	#endif
		192
142	/*****************************************************************************/	193	/*****************************************************************************/
143		194
		195	static void (syserr_cb)(const char msg);
		196
		197	void ev_set_syserr_cb (void (cb)(const char msg))
		198	{
		199	syserr_cb = cb;
		200	}
		201
		202	static void
		203	syserr (const char *msg)
		204	{
		205	if (!msg)
		206	msg = "(libev) system error";
		207
		208	if (syserr_cb)
		209	syserr_cb (msg);
		210	else
		211	{
		212	perror (msg);
		213	abort ();
		214	}
		215	}
		216
		217	static void (alloc)(void *ptr, long size);
		218
		219	void ev_set_allocator (void (cb)(void *ptr, long size))
		220	{
		221	alloc = cb;
		222	}
		223
		224	static void *
		225	ev_realloc (void *ptr, long size)
		226	{
		227	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
		228
		229	if (!ptr && size)
		230	{
		231	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
		232	abort ();
		233	}
		234
		235	return ptr;
		236	}
		237
		238	#define ev_malloc(size) ev_realloc (0, (size))
		239	#define ev_free(ptr) ev_realloc ((ptr), 0)
		240
		241	/*****************************************************************************/
		242
144	typedef struct	243	typedef struct
145	{	244	{
146	struct ev_watcher_list *head;	245	WL head;
147	unsigned char events;	246	unsigned char events;
148	unsigned char reify;	247	unsigned char reify;
		248	#if EV_SELECT_IS_WINSOCKET
		249	SOCKET handle;
		250	#endif
149	} ANFD;	251	} ANFD;
150		252
151	typedef struct	253	typedef struct
152	{	254	{
153	W w;	255	W w;
154	int events;	256	int events;
155	} ANPENDING;	257	} ANPENDING;
156		258
157	#if EV_MULTIPLICITY	259	#if EV_MULTIPLICITY
158		260
159	struct ev_loop	261	struct ev_loop
160	{	262	{
		263	ev_tstamp ev_rt_now;
		264	#define ev_rt_now ((loop)->ev_rt_now)
161	# define VAR(name,decl) decl;	265	#define VAR(name,decl) decl;
162	# include "ev_vars.h"	266	#include "ev_vars.h"
163	};
164	# undef VAR	267	#undef VAR
		268	};
165	# include "ev_wrap.h"	269	#include "ev_wrap.h"
		270
		271	static struct ev_loop default_loop_struct;
		272	struct ev_loop *ev_default_loop_ptr;
166		273
167	#else	274	#else
168		275
		276	ev_tstamp ev_rt_now;
169	# define VAR(name,decl) static decl;	277	#define VAR(name,decl) static decl;
170	# include "ev_vars.h"	278	#include "ev_vars.h"
171	# undef VAR	279	#undef VAR
		280
		281	static int ev_default_loop_ptr;
172		282
173	#endif	283	#endif
174		284
175	/*****************************************************************************/	285	/*****************************************************************************/
176		286
177	inline ev_tstamp	287	ev_tstamp
178	ev_time (void)	288	ev_time (void)
179	{	289	{
180	#if EV_USE_REALTIME	290	#if EV_USE_REALTIME
181	struct timespec ts;	291	struct timespec ts;
182	clock_gettime (CLOCK_REALTIME, &ts);	292	clock_gettime (CLOCK_REALTIME, &ts);
…		…
201	#endif	311	#endif
202		312
203	return ev_time ();	313	return ev_time ();
204	}	314	}
205		315
		316	#if EV_MULTIPLICITY
206	ev_tstamp	317	ev_tstamp
207	ev_now (EV_P)	318	ev_now (EV_P)
208	{	319	{
209	return rt_now;	320	return ev_rt_now;
210	}	321	}
		322	#endif
211		323
212	#define array_roundsize(base,n) ((n) \| 4 & ~3)	324	#define array_roundsize(type,n) (((n) \| 4) & ~3)
213		325
214	#define array_needsize(base,cur,cnt,init) \	326	#define array_needsize(type,base,cur,cnt,init) \
215	if (expect_false ((cnt) > cur)) \	327	if (expect_false ((cnt) > cur)) \
216	{ \	328	{ \
217	int newcnt = cur; \	329	int newcnt = cur; \
218	do \	330	do \
219	{ \	331	{ \
220	newcnt = array_roundsize (base, newcnt << 1); \	332	newcnt = array_roundsize (type, newcnt << 1); \
221	} \	333	} \
222	while ((cnt) > newcnt); \	334	while ((cnt) > newcnt); \
223	\	335	\
224	base = realloc (base, sizeof (base) (newcnt)); \	336	base = (type )ev_realloc (base, sizeof (type) (newcnt));\
225	init (base + cur, newcnt - cur); \	337	init (base + cur, newcnt - cur); \
226	cur = newcnt; \	338	cur = newcnt; \
227	}	339	}
		340
		341	#define array_slim(type,stem) \
		342	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
		343	{ \
		344	stem ## max = array_roundsize (stem ## cnt >> 1); \
		345	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
		346	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
		347	}
		348
		349	#define array_free(stem, idx) \
		350	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
228		351
229	/*****************************************************************************/	352	/*****************************************************************************/
230		353
231	static void	354	static void
232	anfds_init (ANFD *base, int count)	355	anfds_init (ANFD *base, int count)
…		…
239		362
240	++base;	363	++base;
241	}	364	}
242	}	365	}
243		366
244	static void	367	void
245	event (EV_P_ W w, int events)	368	ev_feed_event (EV_P_ void *w, int revents)
246	{	369	{
		370	W w_ = (W)w;
		371
247	if (w->pending)	372	if (w_->pending)
248	{	373	{
249	pendings [ABSPRI (w)][w->pending - 1].events \|= events;	374	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
250	return;	375	return;
251	}	376	}
252		377
253	w->pending = ++pendingcnt [ABSPRI (w)];	378	w_->pending = ++pendingcnt [ABSPRI (w_)];
254	array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], );	379	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
255	pendings [ABSPRI (w)][w->pending - 1].w = w;	380	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
256	pendings [ABSPRI (w)][w->pending - 1].events = events;	381	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
257	}	382	}
258		383
259	static void	384	static void
260	queue_events (EV_P_ W *events, int eventcnt, int type)	385	queue_events (EV_P_ W *events, int eventcnt, int type)
261	{	386	{
262	int i;	387	int i;
263		388
264	for (i = 0; i < eventcnt; ++i)	389	for (i = 0; i < eventcnt; ++i)
265	event (EV_A_ events [i], type);	390	ev_feed_event (EV_A_ events [i], type);
266	}	391	}
267		392
268	static void	393	inline void
269	fd_event (EV_P_ int fd, int events)	394	fd_event (EV_P_ int fd, int revents)
270	{	395	{
271	ANFD *anfd = anfds + fd;	396	ANFD *anfd = anfds + fd;
272	struct ev_io *w;	397	struct ev_io *w;
273		398
274	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	399	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
275	{	400	{
276	int ev = w->events & events;	401	int ev = w->events & revents;
277		402
278	if (ev)	403	if (ev)
279	event (EV_A_ (W)w, ev);	404	ev_feed_event (EV_A_ (W)w, ev);
280	}	405	}
		406	}
		407
		408	void
		409	ev_feed_fd_event (EV_P_ int fd, int revents)
		410	{
		411	fd_event (EV_A_ fd, revents);
281	}	412	}
282		413
283	/*****************************************************************************/	414	/*****************************************************************************/
284		415
285	static void	416	static void
…		…
296	int events = 0;	427	int events = 0;
297		428
298	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	429	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
299	events \|= w->events;	430	events \|= w->events;
300		431
		432	#if EV_SELECT_IS_WINSOCKET
		433	if (events)
		434	{
		435	unsigned long argp;
		436	anfd->handle = _get_osfhandle (fd);
		437	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
		438	}
		439	#endif
		440
301	anfd->reify = 0;	441	anfd->reify = 0;
302		442
303	if (anfd->events != events)
304	{
305	method_modify (EV_A_ fd, anfd->events, events);	443	method_modify (EV_A_ fd, anfd->events, events);
306	anfd->events = events;	444	anfd->events = events;
307	}
308	}	445	}
309		446
310	fdchangecnt = 0;	447	fdchangecnt = 0;
311	}	448	}
312		449
313	static void	450	static void
314	fd_change (EV_P_ int fd)	451	fd_change (EV_P_ int fd)
315	{	452	{
316	if (anfds [fd].reify \|\| fdchangecnt < 0)	453	if (anfds [fd].reify)
317	return;	454	return;
318		455
319	anfds [fd].reify = 1;	456	anfds [fd].reify = 1;
320		457
321	++fdchangecnt;	458	++fdchangecnt;
322	array_needsize (fdchanges, fdchangemax, fdchangecnt, );	459	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
323	fdchanges [fdchangecnt - 1] = fd;	460	fdchanges [fdchangecnt - 1] = fd;
324	}	461	}
325		462
326	static void	463	static void
327	fd_kill (EV_P_ int fd)	464	fd_kill (EV_P_ int fd)
…		…
329	struct ev_io *w;	466	struct ev_io *w;
330		467
331	while ((w = (struct ev_io *)anfds [fd].head))	468	while ((w = (struct ev_io *)anfds [fd].head))
332	{	469	{
333	ev_io_stop (EV_A_ w);	470	ev_io_stop (EV_A_ w);
334	event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	471	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
335	}	472	}
		473	}
		474
		475	static int
		476	fd_valid (int fd)
		477	{
		478	#ifdef _WIN32
		479	return _get_osfhandle (fd) != -1;
		480	#else
		481	return fcntl (fd, F_GETFD) != -1;
		482	#endif
336	}	483	}
337		484
338	/* called on EBADF to verify fds */	485	/* called on EBADF to verify fds */
339	static void	486	static void
340	fd_ebadf (EV_P)	487	fd_ebadf (EV_P)
341	{	488	{
342	int fd;	489	int fd;
343		490
344	for (fd = 0; fd < anfdmax; ++fd)	491	for (fd = 0; fd < anfdmax; ++fd)
345	if (anfds [fd].events)	492	if (anfds [fd].events)
346	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)	493	if (!fd_valid (fd) == -1 && errno == EBADF)
347	fd_kill (EV_A_ fd);	494	fd_kill (EV_A_ fd);
348	}	495	}
349		496
350	/* called on ENOMEM in select/poll to kill some fds and retry */	497	/* called on ENOMEM in select/poll to kill some fds and retry */
351	static void	498	static void
352	fd_enomem (EV_P)	499	fd_enomem (EV_P)
353	{	500	{
354	int fd = anfdmax;	501	int fd;
355		502
356	while (fd--)	503	for (fd = anfdmax; fd--; )
357	if (anfds [fd].events)	504	if (anfds [fd].events)
358	{	505	{
359	close (fd);
360	fd_kill (EV_A_ fd);	506	fd_kill (EV_A_ fd);
361	return;	507	return;
362	}	508	}
363	}	509	}
364		510
365	/* susually called after fork if method needs to re-arm all fds from scratch */	511	/* usually called after fork if method needs to re-arm all fds from scratch */
366	static void	512	static void
367	fd_rearm_all (EV_P)	513	fd_rearm_all (EV_P)
368	{	514	{
369	int fd;	515	int fd;
370		516
…		…
385	WT w = heap [k];	531	WT w = heap [k];
386		532
387	while (k && heap [k >> 1]->at > w->at)	533	while (k && heap [k >> 1]->at > w->at)
388	{	534	{
389	heap [k] = heap [k >> 1];	535	heap [k] = heap [k >> 1];
390	heap [k]->active = k + 1;	536	((W)heap [k])->active = k + 1;
391	k >>= 1;	537	k >>= 1;
392	}	538	}
393		539
394	heap [k] = w;	540	heap [k] = w;
395	heap [k]->active = k + 1;	541	((W)heap [k])->active = k + 1;
396		542
397	}	543	}
398		544
399	static void	545	static void
400	downheap (WT *heap, int N, int k)	546	downheap (WT *heap, int N, int k)
…		…
410		556
411	if (w->at <= heap [j]->at)	557	if (w->at <= heap [j]->at)
412	break;	558	break;
413		559
414	heap [k] = heap [j];	560	heap [k] = heap [j];
415	heap [k]->active = k + 1;	561	((W)heap [k])->active = k + 1;
416	k = j;	562	k = j;
417	}	563	}
418		564
419	heap [k] = w;	565	heap [k] = w;
420	heap [k]->active = k + 1;	566	((W)heap [k])->active = k + 1;
		567	}
		568
		569	inline void
		570	adjustheap (WT *heap, int N, int k)
		571	{
		572	upheap (heap, k);
		573	downheap (heap, N, k);
421	}	574	}
422		575
423	/*****************************************************************************/	576	/*****************************************************************************/
424		577
425	typedef struct	578	typedef struct
426	{	579	{
427	struct ev_watcher_list *head;	580	WL head;
428	sig_atomic_t volatile gotsig;	581	sig_atomic_t volatile gotsig;
429	} ANSIG;	582	} ANSIG;
430		583
431	static ANSIG *signals;	584	static ANSIG *signals;
432	static int signalmax;	585	static int signalmax;
…		…
448	}	601	}
449		602
450	static void	603	static void
451	sighandler (int signum)	604	sighandler (int signum)
452	{	605	{
		606	#if _WIN32
		607	signal (signum, sighandler);
		608	#endif
		609
453	signals [signum - 1].gotsig = 1;	610	signals [signum - 1].gotsig = 1;
454		611
455	if (!gotsig)	612	if (!gotsig)
456	{	613	{
457	int old_errno = errno;	614	int old_errno = errno;
…		…
459	write (sigpipe [1], &signum, 1);	616	write (sigpipe [1], &signum, 1);
460	errno = old_errno;	617	errno = old_errno;
461	}	618	}
462	}	619	}
463		620
		621	void
		622	ev_feed_signal_event (EV_P_ int signum)
		623	{
		624	WL w;
		625
		626	#if EV_MULTIPLICITY
		627	assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
		628	#endif
		629
		630	--signum;
		631
		632	if (signum < 0 \|\| signum >= signalmax)
		633	return;
		634
		635	signals [signum].gotsig = 0;
		636
		637	for (w = signals [signum].head; w; w = w->next)
		638	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
		639	}
		640
464	static void	641	static void
465	sigcb (EV_P_ struct ev_io *iow, int revents)	642	sigcb (EV_P_ struct ev_io *iow, int revents)
466	{	643	{
467	struct ev_watcher_list *w;
468	int signum;	644	int signum;
469		645
470	read (sigpipe [0], &revents, 1);	646	read (sigpipe [0], &revents, 1);
471	gotsig = 0;	647	gotsig = 0;
472		648
473	for (signum = signalmax; signum--; )	649	for (signum = signalmax; signum--; )
474	if (signals [signum].gotsig)	650	if (signals [signum].gotsig)
475	{	651	ev_feed_signal_event (EV_A_ signum + 1);
476	signals [signum].gotsig = 0;	652	}
477		653
478	for (w = signals [signum].head; w; w = w->next)	654	inline void
479	event (EV_A_ (W)w, EV_SIGNAL);	655	fd_intern (int fd)
480	}	656	{
		657	#ifdef _WIN32
		658	int arg = 1;
		659	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
		660	#else
		661	fcntl (fd, F_SETFD, FD_CLOEXEC);
		662	fcntl (fd, F_SETFL, O_NONBLOCK);
		663	#endif
481	}	664	}
482		665
483	static void	666	static void
484	siginit (EV_P)	667	siginit (EV_P)
485	{	668	{
486	#ifndef WIN32	669	fd_intern (sigpipe [0]);
487	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	670	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		671
495	ev_io_set (&sigev, sigpipe [0], EV_READ);	672	ev_io_set (&sigev, sigpipe [0], EV_READ);
496	ev_io_start (EV_A_ &sigev);	673	ev_io_start (EV_A_ &sigev);
497	ev_unref (EV_A); /* child watcher should not keep loop alive */	674	ev_unref (EV_A); /* child watcher should not keep loop alive */
498	}	675	}
499		676
500	/*****************************************************************************/	677	/*****************************************************************************/
501		678
502	#ifndef WIN32
503
504	static struct ev_child *childs [PID_HASHSIZE];	679	static struct ev_child *childs [PID_HASHSIZE];
		680
		681	#ifndef _WIN32
		682
505	static struct ev_signal childev;	683	static struct ev_signal childev;
506		684
507	#ifndef WCONTINUED	685	#ifndef WCONTINUED
508	# define WCONTINUED 0	686	# define WCONTINUED 0
509	#endif	687	#endif
…		…
514	struct ev_child *w;	692	struct ev_child *w;
515		693
516	for (w = (struct ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child )((WL)w)->next)	694	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)	695	if (w->pid == pid \|\| !w->pid)
518	{	696	{
519	w->priority = sw->priority; /* need to do it now */	697	ev_priority (w) = ev_priority (sw); /* need to do it now */
520	w->rpid = pid;	698	w->rpid = pid;
521	w->rstatus = status;	699	w->rstatus = status;
522	event (EV_A_ (W)w, EV_CHILD);	700	ev_feed_event (EV_A_ (W)w, EV_CHILD);
523	}	701	}
524	}	702	}
525		703
526	static void	704	static void
527	childcb (EV_P_ struct ev_signal *sw, int revents)	705	childcb (EV_P_ struct ev_signal *sw, int revents)
…		…
529	int pid, status;	707	int pid, status;
530		708
531	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))	709	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
532	{	710	{
533	/* make sure we are called again until all childs have been reaped */	711	/* make sure we are called again until all childs have been reaped */
534	event (EV_A_ (W)sw, EV_SIGNAL);	712	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
535		713
536	child_reap (EV_A_ sw, pid, pid, status);	714	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 */	715	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
538	}	716	}
539	}	717	}
540		718
541	#endif	719	#endif
542		720
543	/*****************************************************************************/	721	/*****************************************************************************/
544		722
		723	#if EV_USE_PORT
		724	# include "ev_port.c"
		725	#endif
545	#if EV_USE_KQUEUE	726	#if EV_USE_KQUEUE
546	# include "ev_kqueue.c"	727	# include "ev_kqueue.c"
547	#endif	728	#endif
548	#if EV_USE_EPOLL	729	#if EV_USE_EPOLL
549	# include "ev_epoll.c"	730	# include "ev_epoll.c"
…		…
569		750
570	/* return true if we are running with elevated privileges and should ignore env variables */	751	/* return true if we are running with elevated privileges and should ignore env variables */
571	static int	752	static int
572	enable_secure (void)	753	enable_secure (void)
573	{	754	{
574	#ifdef WIN32	755	#ifdef _WIN32
575	return 0;	756	return 0;
576	#else	757	#else
577	return getuid () != geteuid ()	758	return getuid () != geteuid ()
578	\|\| getgid () != getegid ();	759	\|\| getgid () != getegid ();
579	#endif	760	#endif
580	}	761	}
581		762
582	int	763	unsigned int
583	ev_method (EV_P)	764	ev_method (EV_P)
584	{	765	{
585	return method;	766	return method;
586	}	767	}
587		768
588	static void	769	static void
589	loop_init (EV_P_ int methods)	770	loop_init (EV_P_ unsigned int flags)
590	{	771	{
591	if (!method)	772	if (!method)
592	{	773	{
593	#if EV_USE_MONOTONIC	774	#if EV_USE_MONOTONIC
594	{	775	{
…		…
596	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	777	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
597	have_monotonic = 1;	778	have_monotonic = 1;
598	}	779	}
599	#endif	780	#endif
600		781
601	rt_now = ev_time ();	782	ev_rt_now = ev_time ();
602	mn_now = get_clock ();	783	mn_now = get_clock ();
603	now_floor = mn_now;	784	now_floor = mn_now;
604	rtmn_diff = rt_now - mn_now;	785	rtmn_diff = ev_rt_now - mn_now;
605		786
606	if (methods == EVMETHOD_AUTO)	787	if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS"))
607	if (!enable_secure () && getenv ("LIBEV_METHODS"))
608	methods = atoi (getenv ("LIBEV_METHODS"));	788	flags = atoi (getenv ("LIBEV_FLAGS"));
609	else	789
610	methods = EVMETHOD_ANY;	790	if (!(flags & 0x0000ffff))
		791	flags \|= 0x0000ffff;
611		792
612	method = 0;	793	method = 0;
		794	#if EV_USE_PORT
		795	if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags);
		796	#endif
613	#if EV_USE_KQUEUE	797	#if EV_USE_KQUEUE
614	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	798	if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags);
615	#endif	799	#endif
616	#if EV_USE_EPOLL	800	#if EV_USE_EPOLL
617	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	801	if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags);
618	#endif	802	#endif
619	#if EV_USE_POLL	803	#if EV_USE_POLL
620	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	804	if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags);
621	#endif	805	#endif
622	#if EV_USE_SELECT	806	#if EV_USE_SELECT
623	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	807	if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags);
624	#endif	808	#endif
		809
		810	ev_init (&sigev, sigcb);
		811	ev_set_priority (&sigev, EV_MAXPRI);
625	}	812	}
626	}	813	}
627		814
628	void	815	void
629	loop_destroy (EV_P)	816	loop_destroy (EV_P)
630	{	817	{
		818	int i;
		819
		820	#if EV_USE_PORT
		821	if (method == EVMETHOD_PORT ) port_destroy (EV_A);
		822	#endif
631	#if EV_USE_KQUEUE	823	#if EV_USE_KQUEUE
632	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);	824	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
633	#endif	825	#endif
634	#if EV_USE_EPOLL	826	#if EV_USE_EPOLL
635	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);	827	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);
…		…
639	#endif	831	#endif
640	#if EV_USE_SELECT	832	#if EV_USE_SELECT
641	if (method == EVMETHOD_SELECT) select_destroy (EV_A);	833	if (method == EVMETHOD_SELECT) select_destroy (EV_A);
642	#endif	834	#endif
643		835
		836	for (i = NUMPRI; i--; )
		837	array_free (pending, [i]);
		838
		839	/* have to use the microsoft-never-gets-it-right macro */
		840	array_free (fdchange, EMPTY0);
		841	array_free (timer, EMPTY0);
		842	#if EV_PERIODICS
		843	array_free (periodic, EMPTY0);
		844	#endif
		845	array_free (idle, EMPTY0);
		846	array_free (prepare, EMPTY0);
		847	array_free (check, EMPTY0);
		848
644	method = 0;	849	method = 0;
645	/TODO/
646	}	850	}
647		851
648	void	852	static void
649	loop_fork (EV_P)	853	loop_fork (EV_P)
650	{	854	{
651	/TODO/	855	#if EV_USE_PORT
		856	if (method == EVMETHOD_PORT ) port_fork (EV_A);
		857	#endif
		858	#if EV_USE_KQUEUE
		859	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
		860	#endif
652	#if EV_USE_EPOLL	861	#if EV_USE_EPOLL
653	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);	862	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
654	#endif	863	#endif
655	#if EV_USE_KQUEUE	864
656	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);	865	if (ev_is_active (&sigev))
657	#endif	866	{
		867	/* default loop */
		868
		869	ev_ref (EV_A);
		870	ev_io_stop (EV_A_ &sigev);
		871	close (sigpipe [0]);
		872	close (sigpipe [1]);
		873
		874	while (pipe (sigpipe))
		875	syserr ("(libev) error creating pipe");
		876
		877	siginit (EV_A);
		878	}
		879
		880	postfork = 0;
658	}	881	}
659		882
660	#if EV_MULTIPLICITY	883	#if EV_MULTIPLICITY
661	struct ev_loop *	884	struct ev_loop *
662	ev_loop_new (int methods)	885	ev_loop_new (unsigned int flags)
663	{	886	{
664	struct ev_loop loop = (struct ev_loop )calloc (1, sizeof (struct ev_loop));	887	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
665		888
		889	memset (loop, 0, sizeof (struct ev_loop));
		890
666	loop_init (EV_A_ methods);	891	loop_init (EV_A_ flags);
667		892
668	if (ev_method (EV_A))	893	if (ev_method (EV_A))
669	return loop;	894	return loop;
670		895
671	return 0;	896	return 0;
…		…
673		898
674	void	899	void
675	ev_loop_destroy (EV_P)	900	ev_loop_destroy (EV_P)
676	{	901	{
677	loop_destroy (EV_A);	902	loop_destroy (EV_A);
678	free (loop);	903	ev_free (loop);
679	}	904	}
680		905
681	void	906	void
682	ev_loop_fork (EV_P)	907	ev_loop_fork (EV_P)
683	{	908	{
684	loop_fork (EV_A);	909	postfork = 1;
685	}	910	}
686		911
687	#endif	912	#endif
688		913
689	#if EV_MULTIPLICITY	914	#if EV_MULTIPLICITY
690	struct ev_loop default_loop_struct;
691	static struct ev_loop *default_loop;
692
693	struct ev_loop *	915	struct ev_loop *
		916	ev_default_loop_ (unsigned int flags)
694	#else	917	#else
695	static int default_loop;
696
697	int	918	int
		919	ev_default_loop (unsigned int flags)
698	#endif	920	#endif
699	ev_default_loop (int methods)
700	{	921	{
701	if (sigpipe [0] == sigpipe [1])	922	if (sigpipe [0] == sigpipe [1])
702	if (pipe (sigpipe))	923	if (pipe (sigpipe))
703	return 0;	924	return 0;
704		925
705	if (!default_loop)	926	if (!ev_default_loop_ptr)
706	{	927	{
707	#if EV_MULTIPLICITY	928	#if EV_MULTIPLICITY
708	struct ev_loop *loop = default_loop = &default_loop_struct;	929	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
709	#else	930	#else
710	default_loop = 1;	931	ev_default_loop_ptr = 1;
711	#endif	932	#endif
712		933
713	loop_init (EV_A_ methods);	934	loop_init (EV_A_ flags);
714		935
715	if (ev_method (EV_A))	936	if (ev_method (EV_A))
716	{	937	{
717	ev_watcher_init (&sigev, sigcb);
718	ev_set_priority (&sigev, EV_MAXPRI);
719	siginit (EV_A);	938	siginit (EV_A);
720		939
721	#ifndef WIN32	940	#ifndef _WIN32
722	ev_signal_init (&childev, childcb, SIGCHLD);	941	ev_signal_init (&childev, childcb, SIGCHLD);
723	ev_set_priority (&childev, EV_MAXPRI);	942	ev_set_priority (&childev, EV_MAXPRI);
724	ev_signal_start (EV_A_ &childev);	943	ev_signal_start (EV_A_ &childev);
725	ev_unref (EV_A); /* child watcher should not keep loop alive */	944	ev_unref (EV_A); /* child watcher should not keep loop alive */
726	#endif	945	#endif
727	}	946	}
728	else	947	else
729	default_loop = 0;	948	ev_default_loop_ptr = 0;
730	}	949	}
731		950
732	return default_loop;	951	return ev_default_loop_ptr;
733	}	952	}
734		953
735	void	954	void
736	ev_default_destroy (void)	955	ev_default_destroy (void)
737	{	956	{
738	#if EV_MULTIPLICITY	957	#if EV_MULTIPLICITY
739	struct ev_loop *loop = default_loop;	958	struct ev_loop *loop = ev_default_loop_ptr;
740	#endif	959	#endif
741		960
		961	#ifndef _WIN32
742	ev_ref (EV_A); /* child watcher */	962	ev_ref (EV_A); /* child watcher */
743	ev_signal_stop (EV_A_ &childev);	963	ev_signal_stop (EV_A_ &childev);
		964	#endif
744		965
745	ev_ref (EV_A); /* signal watcher */	966	ev_ref (EV_A); /* signal watcher */
746	ev_io_stop (EV_A_ &sigev);	967	ev_io_stop (EV_A_ &sigev);
747		968
748	close (sigpipe [0]); sigpipe [0] = 0;	969	close (sigpipe [0]); sigpipe [0] = 0;
…		…
753		974
754	void	975	void
755	ev_default_fork (void)	976	ev_default_fork (void)
756	{	977	{
757	#if EV_MULTIPLICITY	978	#if EV_MULTIPLICITY
758	struct ev_loop *loop = default_loop;	979	struct ev_loop *loop = ev_default_loop_ptr;
759	#endif	980	#endif
760		981
761	loop_fork (EV_A);	982	if (method)
762		983	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	}	984	}
771		985
772	/*****************************************************************************/	986	/*****************************************************************************/
		987
		988	static int
		989	any_pending (EV_P)
		990	{
		991	int pri;
		992
		993	for (pri = NUMPRI; pri--; )
		994	if (pendingcnt [pri])
		995	return 1;
		996
		997	return 0;
		998	}
773		999
774	static void	1000	static void
775	call_pending (EV_P)	1001	call_pending (EV_P)
776	{	1002	{
777	int pri;	1003	int pri;
…		…
782	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1008	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
783		1009
784	if (p->w)	1010	if (p->w)
785	{	1011	{
786	p->w->pending = 0;	1012	p->w->pending = 0;
787	p->w->cb (EV_A_ p->w, p->events);	1013	EV_CB_INVOKE (p->w, p->events);
788	}	1014	}
789	}	1015	}
790	}	1016	}
791		1017
792	static void	1018	static void
793	timers_reify (EV_P)	1019	timers_reify (EV_P)
794	{	1020	{
795	while (timercnt && timers [0]->at <= mn_now)	1021	while (timercnt && ((WT)timers [0])->at <= mn_now)
796	{	1022	{
797	struct ev_timer *w = timers [0];	1023	struct ev_timer *w = timers [0];
		1024
		1025	assert (("inactive timer on timer heap detected", ev_is_active (w)));
798		1026
799	/* first reschedule or stop timer */	1027	/* first reschedule or stop timer */
800	if (w->repeat)	1028	if (w->repeat)
801	{	1029	{
802	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1030	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
		1031
803	w->at = mn_now + w->repeat;	1032	((WT)w)->at += w->repeat;
		1033	if (((WT)w)->at < mn_now)
		1034	((WT)w)->at = mn_now;
		1035
804	downheap ((WT *)timers, timercnt, 0);	1036	downheap ((WT *)timers, timercnt, 0);
805	}	1037	}
806	else	1038	else
807	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1039	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
808		1040
809	event (EV_A_ (W)w, EV_TIMEOUT);	1041	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
810	}	1042	}
811	}	1043	}
812		1044
		1045	#if EV_PERIODICS
813	static void	1046	static void
814	periodics_reify (EV_P)	1047	periodics_reify (EV_P)
815	{	1048	{
816	while (periodiccnt && periodics [0]->at <= rt_now)	1049	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
817	{	1050	{
818	struct ev_periodic *w = periodics [0];	1051	struct ev_periodic *w = periodics [0];
819		1052
		1053	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
		1054
820	/* first reschedule or stop timer */	1055	/* first reschedule or stop timer */
821	if (w->interval)	1056	if (w->reschedule_cb)
822	{	1057	{
		1058	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
		1059	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
		1060	downheap ((WT *)periodics, periodiccnt, 0);
		1061	}
		1062	else if (w->interval)
		1063	{
823	w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval;	1064	((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
824	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now));	1065	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
825	downheap ((WT *)periodics, periodiccnt, 0);	1066	downheap ((WT *)periodics, periodiccnt, 0);
826	}	1067	}
827	else	1068	else
828	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1069	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
829		1070
830	event (EV_A_ (W)w, EV_PERIODIC);	1071	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
831	}	1072	}
832	}	1073	}
833		1074
834	static void	1075	static void
835	periodics_reschedule (EV_P)	1076	periodics_reschedule (EV_P)
…		…
839	/* adjust periodics after time jump */	1080	/* adjust periodics after time jump */
840	for (i = 0; i < periodiccnt; ++i)	1081	for (i = 0; i < periodiccnt; ++i)
841	{	1082	{
842	struct ev_periodic *w = periodics [i];	1083	struct ev_periodic *w = periodics [i];
843		1084
		1085	if (w->reschedule_cb)
		1086	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
844	if (w->interval)	1087	else if (w->interval)
845	{
846	ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval;	1088	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
847
848	if (fabs (diff) >= 1e-4)
849	{
850	ev_periodic_stop (EV_A_ w);
851	ev_periodic_start (EV_A_ w);
852
853	i = 0; /* restart loop, inefficient, but time jumps should be rare */
854	}
855	}
856	}	1089	}
		1090
		1091	/* now rebuild the heap */
		1092	for (i = periodiccnt >> 1; i--; )
		1093	downheap ((WT *)periodics, periodiccnt, i);
857	}	1094	}
		1095	#endif
858		1096
859	inline int	1097	inline int
860	time_update_monotonic (EV_P)	1098	time_update_monotonic (EV_P)
861	{	1099	{
862	mn_now = get_clock ();	1100	mn_now = get_clock ();
863		1101
864	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1102	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
865	{	1103	{
866	rt_now = rtmn_diff + mn_now;	1104	ev_rt_now = rtmn_diff + mn_now;
867	return 0;	1105	return 0;
868	}	1106	}
869	else	1107	else
870	{	1108	{
871	now_floor = mn_now;	1109	now_floor = mn_now;
872	rt_now = ev_time ();	1110	ev_rt_now = ev_time ();
873	return 1;	1111	return 1;
874	}	1112	}
875	}	1113	}
876		1114
877	static void	1115	static void
…		…
886	{	1124	{
887	ev_tstamp odiff = rtmn_diff;	1125	ev_tstamp odiff = rtmn_diff;
888		1126
889	for (i = 4; --i; ) /* loop a few times, before making important decisions */	1127	for (i = 4; --i; ) /* loop a few times, before making important decisions */
890	{	1128	{
891	rtmn_diff = rt_now - mn_now;	1129	rtmn_diff = ev_rt_now - mn_now;
892		1130
893	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1131	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
894	return; /* all is well */	1132	return; /* all is well */
895		1133
896	rt_now = ev_time ();	1134	ev_rt_now = ev_time ();
897	mn_now = get_clock ();	1135	mn_now = get_clock ();
898	now_floor = mn_now;	1136	now_floor = mn_now;
899	}	1137	}
900		1138
		1139	# if EV_PERIODICS
901	periodics_reschedule (EV_A);	1140	periodics_reschedule (EV_A);
		1141	# endif
902	/* no timer adjustment, as the monotonic clock doesn't jump */	1142	/* no timer adjustment, as the monotonic clock doesn't jump */
903	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */	1143	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
904	}	1144	}
905	}	1145	}
906	else	1146	else
907	#endif	1147	#endif
908	{	1148	{
909	rt_now = ev_time ();	1149	ev_rt_now = ev_time ();
910		1150
911	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1151	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
912	{	1152	{
		1153	#if EV_PERIODICS
913	periodics_reschedule (EV_A);	1154	periodics_reschedule (EV_A);
		1155	#endif
914		1156
915	/* adjust timers. this is easy, as the offset is the same for all */	1157	/* adjust timers. this is easy, as the offset is the same for all */
916	for (i = 0; i < timercnt; ++i)	1158	for (i = 0; i < timercnt; ++i)
917	timers [i]->at += rt_now - mn_now;	1159	((WT)timers [i])->at += ev_rt_now - mn_now;
918	}	1160	}
919		1161
920	mn_now = rt_now;	1162	mn_now = ev_rt_now;
921	}	1163	}
922	}	1164	}
923		1165
924	void	1166	void
925	ev_ref (EV_P)	1167	ev_ref (EV_P)
…		…
939	ev_loop (EV_P_ int flags)	1181	ev_loop (EV_P_ int flags)
940	{	1182	{
941	double block;	1183	double block;
942	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1184	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
943		1185
944	do	1186	while (activecnt)
945	{	1187	{
946	/* queue check watchers (and execute them) */	1188	/* queue check watchers (and execute them) */
947	if (expect_false (preparecnt))	1189	if (expect_false (preparecnt))
948	{	1190	{
949	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1191	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
950	call_pending (EV_A);	1192	call_pending (EV_A);
951	}	1193	}
952		1194
		1195	/* we might have forked, so reify kernel state if necessary */
		1196	if (expect_false (postfork))
		1197	loop_fork (EV_A);
		1198
953	/* update fd-related kernel structures */	1199	/* update fd-related kernel structures */
954	fd_reify (EV_A);	1200	fd_reify (EV_A);
955		1201
956	/* calculate blocking time */	1202	/* calculate blocking time */
957		1203
958	/* we only need this for !monotonic clockor timers, but as we basically	1204	/* we only need this for !monotonic clock or timers, but as we basically
959	always have timers, we just calculate it always */	1205	always have timers, we just calculate it always */
960	#if EV_USE_MONOTONIC	1206	#if EV_USE_MONOTONIC
961	if (expect_true (have_monotonic))	1207	if (expect_true (have_monotonic))
962	time_update_monotonic (EV_A);	1208	time_update_monotonic (EV_A);
963	else	1209	else
964	#endif	1210	#endif
965	{	1211	{
966	rt_now = ev_time ();	1212	ev_rt_now = ev_time ();
967	mn_now = rt_now;	1213	mn_now = ev_rt_now;
968	}	1214	}
969		1215
970	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1216	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
971	block = 0.;	1217	block = 0.;
972	else	1218	else
973	{	1219	{
974	block = MAX_BLOCKTIME;	1220	block = MAX_BLOCKTIME;
975		1221
976	if (timercnt)	1222	if (timercnt)
977	{	1223	{
978	ev_tstamp to = timers [0]->at - mn_now + method_fudge;	1224	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
979	if (block > to) block = to;	1225	if (block > to) block = to;
980	}	1226	}
981		1227
		1228	#if EV_PERIODICS
982	if (periodiccnt)	1229	if (periodiccnt)
983	{	1230	{
984	ev_tstamp to = periodics [0]->at - rt_now + method_fudge;	1231	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
985	if (block > to) block = to;	1232	if (block > to) block = to;
986	}	1233	}
		1234	#endif
987		1235
988	if (block < 0.) block = 0.;	1236	if (block < 0.) block = 0.;
989	}	1237	}
990		1238
991	method_poll (EV_A_ block);	1239	method_poll (EV_A_ block);
992		1240
993	/* update rt_now, do magic */	1241	/* update ev_rt_now, do magic */
994	time_update (EV_A);	1242	time_update (EV_A);
995		1243
996	/* queue pending timers and reschedule them */	1244	/* queue pending timers and reschedule them */
997	timers_reify (EV_A); /* relative timers called last */	1245	timers_reify (EV_A); /* relative timers called last */
		1246	#if EV_PERIODICS
998	periodics_reify (EV_A); /* absolute timers called first */	1247	periodics_reify (EV_A); /* absolute timers called first */
		1248	#endif
999		1249
1000	/* queue idle watchers unless io or timers are pending */	1250	/* queue idle watchers unless io or timers are pending */
1001	if (!pendingcnt)	1251	if (idlecnt && !any_pending (EV_A))
1002	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1252	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
1003		1253
1004	/* queue check watchers, to be executed first */	1254	/* queue check watchers, to be executed first */
1005	if (checkcnt)	1255	if (checkcnt)
1006	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1256	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1007		1257
1008	call_pending (EV_A);	1258	call_pending (EV_A);
		1259
		1260	if (loop_done)
		1261	break;
1009	}	1262	}
1010	while (activecnt && !loop_done);
1011		1263
1012	if (loop_done != 2)	1264	if (loop_done != 2)
1013	loop_done = 0;	1265	loop_done = 0;
1014	}	1266	}
1015		1267
…		…
1081	return;	1333	return;
1082		1334
1083	assert (("ev_io_start called with negative fd", fd >= 0));	1335	assert (("ev_io_start called with negative fd", fd >= 0));
1084		1336
1085	ev_start (EV_A_ (W)w, 1);	1337	ev_start (EV_A_ (W)w, 1);
1086	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	1338	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1087	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1339	wlist_add ((WL *)&anfds[fd].head, (WL)w);
1088		1340
1089	fd_change (EV_A_ fd);	1341	fd_change (EV_A_ fd);
1090	}	1342	}
1091		1343
…		…
1094	{	1346	{
1095	ev_clear_pending (EV_A_ (W)w);	1347	ev_clear_pending (EV_A_ (W)w);
1096	if (!ev_is_active (w))	1348	if (!ev_is_active (w))
1097	return;	1349	return;
1098		1350
		1351	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
		1352
1099	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1353	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
1100	ev_stop (EV_A_ (W)w);	1354	ev_stop (EV_A_ (W)w);
1101		1355
1102	fd_change (EV_A_ w->fd);	1356	fd_change (EV_A_ w->fd);
1103	}	1357	}
…		…
1106	ev_timer_start (EV_P_ struct ev_timer *w)	1360	ev_timer_start (EV_P_ struct ev_timer *w)
1107	{	1361	{
1108	if (ev_is_active (w))	1362	if (ev_is_active (w))
1109	return;	1363	return;
1110		1364
1111	w->at += mn_now;	1365	((WT)w)->at += mn_now;
1112		1366
1113	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1367	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1114		1368
1115	ev_start (EV_A_ (W)w, ++timercnt);	1369	ev_start (EV_A_ (W)w, ++timercnt);
1116	array_needsize (timers, timermax, timercnt, );	1370	array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2);
1117	timers [timercnt - 1] = w;	1371	timers [timercnt - 1] = w;
1118	upheap ((WT *)timers, timercnt - 1);	1372	upheap ((WT *)timers, timercnt - 1);
		1373
		1374	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1119	}	1375	}
1120		1376
1121	void	1377	void
1122	ev_timer_stop (EV_P_ struct ev_timer *w)	1378	ev_timer_stop (EV_P_ struct ev_timer *w)
1123	{	1379	{
1124	ev_clear_pending (EV_A_ (W)w);	1380	ev_clear_pending (EV_A_ (W)w);
1125	if (!ev_is_active (w))	1381	if (!ev_is_active (w))
1126	return;	1382	return;
1127		1383
		1384	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1385
1128	if (w->active < timercnt--)	1386	if (((W)w)->active < timercnt--)
1129	{	1387	{
1130	timers [w->active - 1] = timers [timercnt];	1388	timers [((W)w)->active - 1] = timers [timercnt];
1131	downheap ((WT *)timers, timercnt, w->active - 1);	1389	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1132	}	1390	}
1133		1391
1134	w->at = w->repeat;	1392	((WT)w)->at -= mn_now;
1135		1393
1136	ev_stop (EV_A_ (W)w);	1394	ev_stop (EV_A_ (W)w);
1137	}	1395	}
1138		1396
1139	void	1397	void
…		…
1141	{	1399	{
1142	if (ev_is_active (w))	1400	if (ev_is_active (w))
1143	{	1401	{
1144	if (w->repeat)	1402	if (w->repeat)
1145	{	1403	{
1146	w->at = mn_now + w->repeat;	1404	((WT)w)->at = mn_now + w->repeat;
1147	downheap ((WT *)timers, timercnt, w->active - 1);	1405	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1148	}	1406	}
1149	else	1407	else
1150	ev_timer_stop (EV_A_ w);	1408	ev_timer_stop (EV_A_ w);
1151	}	1409	}
1152	else if (w->repeat)	1410	else if (w->repeat)
		1411	{
		1412	w->at = w->repeat;
1153	ev_timer_start (EV_A_ w);	1413	ev_timer_start (EV_A_ w);
		1414	}
1154	}	1415	}
1155		1416
		1417	#if EV_PERIODICS
1156	void	1418	void
1157	ev_periodic_start (EV_P_ struct ev_periodic *w)	1419	ev_periodic_start (EV_P_ struct ev_periodic *w)
1158	{	1420	{
1159	if (ev_is_active (w))	1421	if (ev_is_active (w))
1160	return;	1422	return;
1161		1423
		1424	if (w->reschedule_cb)
		1425	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
		1426	else if (w->interval)
		1427	{
1162	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1428	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1163
1164	/* this formula differs from the one in periodic_reify because we do not always round up */	1429	/* this formula differs from the one in periodic_reify because we do not always round up */
1165	if (w->interval)
1166	w->at += ceil ((rt_now - w->at) / w->interval) * w->interval;	1430	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
		1431	}
1167		1432
1168	ev_start (EV_A_ (W)w, ++periodiccnt);	1433	ev_start (EV_A_ (W)w, ++periodiccnt);
1169	array_needsize (periodics, periodicmax, periodiccnt, );	1434	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1170	periodics [periodiccnt - 1] = w;	1435	periodics [periodiccnt - 1] = w;
1171	upheap ((WT *)periodics, periodiccnt - 1);	1436	upheap ((WT *)periodics, periodiccnt - 1);
		1437
		1438	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1172	}	1439	}
1173		1440
1174	void	1441	void
1175	ev_periodic_stop (EV_P_ struct ev_periodic *w)	1442	ev_periodic_stop (EV_P_ struct ev_periodic *w)
1176	{	1443	{
1177	ev_clear_pending (EV_A_ (W)w);	1444	ev_clear_pending (EV_A_ (W)w);
1178	if (!ev_is_active (w))	1445	if (!ev_is_active (w))
1179	return;	1446	return;
1180		1447
		1448	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1449
1181	if (w->active < periodiccnt--)	1450	if (((W)w)->active < periodiccnt--)
1182	{	1451	{
1183	periodics [w->active - 1] = periodics [periodiccnt];	1452	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1184	downheap ((WT *)periodics, periodiccnt, w->active - 1);	1453	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1185	}	1454	}
1186		1455
1187	ev_stop (EV_A_ (W)w);	1456	ev_stop (EV_A_ (W)w);
1188	}	1457	}
1189		1458
1190	void	1459	void
		1460	ev_periodic_again (EV_P_ struct ev_periodic *w)
		1461	{
		1462	/* TODO: use adjustheap and recalculation */
		1463	ev_periodic_stop (EV_A_ w);
		1464	ev_periodic_start (EV_A_ w);
		1465	}
		1466	#endif
		1467
		1468	void
1191	ev_idle_start (EV_P_ struct ev_idle *w)	1469	ev_idle_start (EV_P_ struct ev_idle *w)
1192	{	1470	{
1193	if (ev_is_active (w))	1471	if (ev_is_active (w))
1194	return;	1472	return;
1195		1473
1196	ev_start (EV_A_ (W)w, ++idlecnt);	1474	ev_start (EV_A_ (W)w, ++idlecnt);
1197	array_needsize (idles, idlemax, idlecnt, );	1475	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1198	idles [idlecnt - 1] = w;	1476	idles [idlecnt - 1] = w;
1199	}	1477	}
1200		1478
1201	void	1479	void
1202	ev_idle_stop (EV_P_ struct ev_idle *w)	1480	ev_idle_stop (EV_P_ struct ev_idle *w)
1203	{	1481	{
1204	ev_clear_pending (EV_A_ (W)w);	1482	ev_clear_pending (EV_A_ (W)w);
		1483	if (!ev_is_active (w))
		1484	return;
		1485
		1486	idles [((W)w)->active - 1] = idles [--idlecnt];
		1487	ev_stop (EV_A_ (W)w);
		1488	}
		1489
		1490	void
		1491	ev_prepare_start (EV_P_ struct ev_prepare *w)
		1492	{
1205	if (ev_is_active (w))	1493	if (ev_is_active (w))
1206	return;	1494	return;
1207		1495
1208	idles [w->active - 1] = idles [--idlecnt];	1496	ev_start (EV_A_ (W)w, ++preparecnt);
		1497	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
		1498	prepares [preparecnt - 1] = w;
		1499	}
		1500
		1501	void
		1502	ev_prepare_stop (EV_P_ struct ev_prepare *w)
		1503	{
		1504	ev_clear_pending (EV_A_ (W)w);
		1505	if (!ev_is_active (w))
		1506	return;
		1507
		1508	prepares [((W)w)->active - 1] = prepares [--preparecnt];
1209	ev_stop (EV_A_ (W)w);	1509	ev_stop (EV_A_ (W)w);
1210	}	1510	}
1211		1511
1212	void	1512	void
1213	ev_prepare_start (EV_P_ struct ev_prepare *w)	1513	ev_check_start (EV_P_ struct ev_check *w)
1214	{	1514	{
1215	if (ev_is_active (w))	1515	if (ev_is_active (w))
1216	return;	1516	return;
1217		1517
1218	ev_start (EV_A_ (W)w, ++preparecnt);	1518	ev_start (EV_A_ (W)w, ++checkcnt);
1219	array_needsize (prepares, preparemax, preparecnt, );	1519	array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2);
1220	prepares [preparecnt - 1] = w;	1520	checks [checkcnt - 1] = w;
1221	}	1521	}
1222		1522
1223	void	1523	void
1224	ev_prepare_stop (EV_P_ struct ev_prepare *w)	1524	ev_check_stop (EV_P_ struct ev_check *w)
1225	{	1525	{
1226	ev_clear_pending (EV_A_ (W)w);	1526	ev_clear_pending (EV_A_ (W)w);
1227	if (ev_is_active (w))	1527	if (!ev_is_active (w))
1228	return;	1528	return;
1229		1529
1230	prepares [w->active - 1] = prepares [--preparecnt];
1231	ev_stop (EV_A_ (W)w);
1232	}
1233
1234	void
1235	ev_check_start (EV_P_ struct ev_check *w)
1236	{
1237	if (ev_is_active (w))
1238	return;
1239
1240	ev_start (EV_A_ (W)w, ++checkcnt);
1241	array_needsize (checks, checkmax, checkcnt, );
1242	checks [checkcnt - 1] = w;
1243	}
1244
1245	void
1246	ev_check_stop (EV_P_ struct ev_check *w)
1247	{
1248	ev_clear_pending (EV_A_ (W)w);
1249	if (ev_is_active (w))
1250	return;
1251
1252	checks [w->active - 1] = checks [--checkcnt];	1530	checks [((W)w)->active - 1] = checks [--checkcnt];
1253	ev_stop (EV_A_ (W)w);	1531	ev_stop (EV_A_ (W)w);
1254	}	1532	}
1255		1533
1256	#ifndef SA_RESTART	1534	#ifndef SA_RESTART
1257	# define SA_RESTART 0	1535	# define SA_RESTART 0
…		…
1259		1537
1260	void	1538	void
1261	ev_signal_start (EV_P_ struct ev_signal *w)	1539	ev_signal_start (EV_P_ struct ev_signal *w)
1262	{	1540	{
1263	#if EV_MULTIPLICITY	1541	#if EV_MULTIPLICITY
1264	assert (("signal watchers are only supported in the default loop", loop == default_loop));	1542	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1265	#endif	1543	#endif
1266	if (ev_is_active (w))	1544	if (ev_is_active (w))
1267	return;	1545	return;
1268		1546
1269	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1547	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1270		1548
1271	ev_start (EV_A_ (W)w, 1);	1549	ev_start (EV_A_ (W)w, 1);
1272	array_needsize (signals, signalmax, w->signum, signals_init);	1550	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1273	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1551	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1274		1552
1275	if (!w->next)	1553	if (!((WL)w)->next)
1276	{	1554	{
		1555	#if _WIN32
		1556	signal (w->signum, sighandler);
		1557	#else
1277	struct sigaction sa;	1558	struct sigaction sa;
1278	sa.sa_handler = sighandler;	1559	sa.sa_handler = sighandler;
1279	sigfillset (&sa.sa_mask);	1560	sigfillset (&sa.sa_mask);
1280	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	1561	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1281	sigaction (w->signum, &sa, 0);	1562	sigaction (w->signum, &sa, 0);
		1563	#endif
1282	}	1564	}
1283	}	1565	}
1284		1566
1285	void	1567	void
1286	ev_signal_stop (EV_P_ struct ev_signal *w)	1568	ev_signal_stop (EV_P_ struct ev_signal *w)
…		…
1298		1580
1299	void	1581	void
1300	ev_child_start (EV_P_ struct ev_child *w)	1582	ev_child_start (EV_P_ struct ev_child *w)
1301	{	1583	{
1302	#if EV_MULTIPLICITY	1584	#if EV_MULTIPLICITY
1303	assert (("child watchers are only supported in the default loop", loop == default_loop));	1585	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1304	#endif	1586	#endif
1305	if (ev_is_active (w))	1587	if (ev_is_active (w))
1306	return;	1588	return;
1307		1589
1308	ev_start (EV_A_ (W)w, 1);	1590	ev_start (EV_A_ (W)w, 1);
…		…
1311		1593
1312	void	1594	void
1313	ev_child_stop (EV_P_ struct ev_child *w)	1595	ev_child_stop (EV_P_ struct ev_child *w)
1314	{	1596	{
1315	ev_clear_pending (EV_A_ (W)w);	1597	ev_clear_pending (EV_A_ (W)w);
1316	if (ev_is_active (w))	1598	if (!ev_is_active (w))
1317	return;	1599	return;
1318		1600
1319	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1601	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1320	ev_stop (EV_A_ (W)w);	1602	ev_stop (EV_A_ (W)w);
1321	}	1603	}
…		…
1336	void (cb)(int revents, void arg) = once->cb;	1618	void (cb)(int revents, void arg) = once->cb;
1337	void *arg = once->arg;	1619	void *arg = once->arg;
1338		1620
1339	ev_io_stop (EV_A_ &once->io);	1621	ev_io_stop (EV_A_ &once->io);
1340	ev_timer_stop (EV_A_ &once->to);	1622	ev_timer_stop (EV_A_ &once->to);
1341	free (once);	1623	ev_free (once);
1342		1624
1343	cb (revents, arg);	1625	cb (revents, arg);
1344	}	1626	}
1345		1627
1346	static void	1628	static void
…		…
1356	}	1638	}
1357		1639
1358	void	1640	void
1359	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1641	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1360	{	1642	{
1361	struct ev_once *once = malloc (sizeof (struct ev_once));	1643	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1362		1644
1363	if (!once)	1645	if (!once)
1364	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1646	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1365	else	1647	else
1366	{	1648	{
1367	once->cb = cb;	1649	once->cb = cb;
1368	once->arg = arg;	1650	once->arg = arg;
1369		1651
1370	ev_watcher_init (&once->io, once_cb_io);	1652	ev_init (&once->io, once_cb_io);
1371	if (fd >= 0)	1653	if (fd >= 0)
1372	{	1654	{
1373	ev_io_set (&once->io, fd, events);	1655	ev_io_set (&once->io, fd, events);
1374	ev_io_start (EV_A_ &once->io);	1656	ev_io_start (EV_A_ &once->io);
1375	}	1657	}
1376		1658
1377	ev_watcher_init (&once->to, once_cb_to);	1659	ev_init (&once->to, once_cb_to);
1378	if (timeout >= 0.)	1660	if (timeout >= 0.)
1379	{	1661	{
1380	ev_timer_set (&once->to, timeout, 0.);	1662	ev_timer_set (&once->to, timeout, 0.);
1381	ev_timer_start (EV_A_ &once->to);	1663	ev_timer_start (EV_A_ &once->to);
1382	}	1664	}
1383	}	1665	}
1384	}	1666	}
1385		1667
		1668	#ifdef __cplusplus
		1669	}
		1670	#endif
		1671

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Comparing libev/ev.c (file contents): Revision 1.60 by root, Sun Nov 4 18:29:44 2007 UTC vs. Revision 1.120 by root, Fri Nov 16 01:54:25 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.60 by root, Sun Nov 4 18:29:44 2007 UTC vs.
Revision 1.120 by root, Fri Nov 16 01:54:25 2007 UTC