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

Comparing libev/ev.c (file contents):
Revision 1.72 by root, Tue Nov 6 16:09:37 2007 UTC vs.
Revision 1.127 by root, Sun Nov 18 02:17:57 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
		46	# else
		47	# ifndef EV_USE_MONOTONIC
		48	# define EV_USE_MONOTONIC 0
		49	# endif
		50	# ifndef EV_USE_REALTIME
		51	# define EV_USE_REALTIME 0
		52	# endif
37	# endif	53	# endif
38		54
		55	# ifndef EV_USE_SELECT
39	# if HAVE_SELECT && HAVE_SYS_SELECT_H	56	# if HAVE_SELECT && HAVE_SYS_SELECT_H
40	# define EV_USE_SELECT 1	57	# define EV_USE_SELECT 1
		58	# else
		59	# define EV_USE_SELECT 0
		60	# endif
41	# endif	61	# endif
42		62
		63	# ifndef EV_USE_POLL
43	# if HAVE_POLL && HAVE_POLL_H	64	# if HAVE_POLL && HAVE_POLL_H
44	# define EV_USE_POLL 1	65	# define EV_USE_POLL 1
		66	# else
		67	# define EV_USE_POLL 0
		68	# endif
45	# endif	69	# endif
46		70
		71	# ifndef EV_USE_EPOLL
47	# if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H	72	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
48	# define EV_USE_EPOLL 1	73	# define EV_USE_EPOLL 1
		74	# else
		75	# define EV_USE_EPOLL 0
		76	# endif
49	# endif	77	# endif
50		78
		79	# ifndef EV_USE_KQUEUE
51	# if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H	80	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H
52	# define EV_USE_KQUEUE 1	81	# define EV_USE_KQUEUE 1
		82	# else
		83	# define EV_USE_KQUEUE 0
		84	# endif
		85	# endif
		86
		87	# ifndef EV_USE_PORT
		88	# if HAVE_PORT_H && HAVE_PORT_CREATE
		89	# define EV_USE_PORT 1
		90	# else
		91	# define EV_USE_PORT 0
		92	# endif
53	# endif	93	# endif
54		94
55	#endif	95	#endif
56		96
57	#include <math.h>	97	#include <math.h>
…		…
66	#include <sys/types.h>	106	#include <sys/types.h>
67	#include <time.h>	107	#include <time.h>
68		108
69	#include <signal.h>	109	#include <signal.h>
70		110
71	#ifndef WIN32	111	#ifndef _WIN32
72	# include <unistd.h>	112	# include <unistd.h>
73	# include <sys/time.h>	113	# include <sys/time.h>
74	# include <sys/wait.h>	114	# include <sys/wait.h>
		115	#else
		116	# define WIN32_LEAN_AND_MEAN
		117	# include <windows.h>
		118	# ifndef EV_SELECT_IS_WINSOCKET
		119	# define EV_SELECT_IS_WINSOCKET 1
75	#endif	120	# endif
		121	#endif
		122
76	/**/	123	/**/
77		124
78	#ifndef EV_USE_MONOTONIC	125	#ifndef EV_USE_MONOTONIC
79	# define EV_USE_MONOTONIC 1	126	# define EV_USE_MONOTONIC 0
		127	#endif
		128
		129	#ifndef EV_USE_REALTIME
		130	# define EV_USE_REALTIME 0
80	#endif	131	#endif
81		132
82	#ifndef EV_USE_SELECT	133	#ifndef EV_USE_SELECT
83	# define EV_USE_SELECT 1	134	# define EV_USE_SELECT 1
84	#endif	135	#endif
85		136
86	#ifndef EV_USE_POLL	137	#ifndef EV_USE_POLL
87	# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */	138	# ifdef _WIN32
		139	# define EV_USE_POLL 0
		140	# else
		141	# define EV_USE_POLL 1
		142	# endif
88	#endif	143	#endif
89		144
90	#ifndef EV_USE_EPOLL	145	#ifndef EV_USE_EPOLL
91	# define EV_USE_EPOLL 0	146	# define EV_USE_EPOLL 0
92	#endif	147	#endif
93		148
94	#ifndef EV_USE_KQUEUE	149	#ifndef EV_USE_KQUEUE
95	# define EV_USE_KQUEUE 0	150	# define EV_USE_KQUEUE 0
96	#endif	151	#endif
97		152
98	#ifndef EV_USE_WIN32
99	# ifdef WIN32
100	# define EV_USE_WIN32 0 /* it does not exist, use select */
101	# undef EV_USE_SELECT
102	# define EV_USE_SELECT 1
103	# else
104	# define EV_USE_WIN32 0
105	# endif
106	#endif
107
108	#ifndef EV_USE_REALTIME	153	#ifndef EV_USE_PORT
109	# define EV_USE_REALTIME 1	154	# define EV_USE_PORT 0
110	#endif	155	#endif
111		156
112	/**/	157	/**/
		158
		159	/* darwin simply cannot be helped */
		160	#ifdef __APPLE__
		161	# undef EV_USE_POLL
		162	# undef EV_USE_KQUEUE
		163	#endif
113		164
114	#ifndef CLOCK_MONOTONIC	165	#ifndef CLOCK_MONOTONIC
115	# undef EV_USE_MONOTONIC	166	# undef EV_USE_MONOTONIC
116	# define EV_USE_MONOTONIC 0	167	# define EV_USE_MONOTONIC 0
117	#endif	168	#endif
…		…
119	#ifndef CLOCK_REALTIME	170	#ifndef CLOCK_REALTIME
120	# undef EV_USE_REALTIME	171	# undef EV_USE_REALTIME
121	# define EV_USE_REALTIME 0	172	# define EV_USE_REALTIME 0
122	#endif	173	#endif
123		174
		175	#if EV_SELECT_IS_WINSOCKET
		176	# include <winsock.h>
		177	#endif
		178
124	/**/	179	/**/
125		180
126	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	181	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
127	#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */	182	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
128	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */	183	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */
129	/#define CLEANUP_INTERVAL 300. / how often to try to free memory and re-check fds */	184	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds */
130		185
		186	#ifdef EV_H
		187	# include EV_H
		188	#else
131	#include "ev.h"	189	# include "ev.h"
		190	#endif
132		191
133	#if __GNUC__ >= 3	192	#if __GNUC__ >= 3
134	# define expect(expr,value) __builtin_expect ((expr),(value))	193	# define expect(expr,value) __builtin_expect ((expr),(value))
135	# define inline inline	194	# define inline static inline
136	#else	195	#else
137	# define expect(expr,value) (expr)	196	# define expect(expr,value) (expr)
138	# define inline static	197	# define inline static
139	#endif	198	#endif
140		199
…		…
142	#define expect_true(expr) expect ((expr) != 0, 1)	201	#define expect_true(expr) expect ((expr) != 0, 1)
143		202
144	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	203	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
145	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	204	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
146		205
		206	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
		207	#define EMPTY2(a,b) /* used to suppress some warnings */
		208
147	typedef struct ev_watcher *W;	209	typedef struct ev_watcher *W;
148	typedef struct ev_watcher_list *WL;	210	typedef struct ev_watcher_list *WL;
149	typedef struct ev_watcher_time *WT;	211	typedef struct ev_watcher_time *WT;
150		212
151	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	213	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
152		214
153	#if WIN32	215	#ifdef _WIN32
154	/* note: the comment below could not be substantiated, but what would I care */	216	# include "ev_win32.c"
155	/* MSDN says this is required to handle SIGFPE */
156	volatile double SIGFPE_REQ = 0.0f;
157
158	static int
159	ev_socketpair_tcp (int filedes [2])
160	{
161	struct sockaddr_in addr = { 0 };
162	int addr_size = sizeof (addr);
163	SOCKET listener;
164	SOCKET sock [2] = { -1, -1 };
165
166	if ((listener = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
167	return -1;
168
169	addr.sin_family = AF_INET;
170	addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
171	addr.sin_port = 0;
172
173	if (bind (listener, (struct sockaddr *)&addr, addr_size))
174	goto fail;
175
176	if (getsockname(listener, (struct sockaddr *)&addr, &addr_size))
177	goto fail;
178
179	if (listen (listener, 1))
180	goto fail;
181
182	if ((sock [0] = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
183	goto fail;
184
185	if (connect (sock[0], (struct sockaddr *)&addr, addr_size))
186	goto fail;
187
188	if ((sock[1] = accept (listener, 0, 0)) < 0)
189	goto fail;
190
191	closesocket (listener);
192
193	filedes [0] = sock [0];
194	filedes [1] = sock [1];
195
196	return 0;
197
198	fail:
199	closesocket (listener);
200
201	if (sock [0] != INVALID_SOCKET) closesocket (sock [0]);
202	if (sock [1] != INVALID_SOCKET) closesocket (sock [1]);
203
204	return -1;
205	}
206
207	# define ev_pipe(filedes) ev_socketpair_tcp (filedes)
208	#else
209	# define ev_pipe(filedes) pipe (filedes)
210	#endif	217	#endif
211		218
212	/*****************************************************************************/	219	/*****************************************************************************/
213		220
214	static void (syserr_cb)(const char msg);	221	static void (syserr_cb)(const char msg);
…		…
262	typedef struct	269	typedef struct
263	{	270	{
264	WL head;	271	WL head;
265	unsigned char events;	272	unsigned char events;
266	unsigned char reify;	273	unsigned char reify;
		274	#if EV_SELECT_IS_WINSOCKET
		275	SOCKET handle;
		276	#endif
267	} ANFD;	277	} ANFD;
268		278
269	typedef struct	279	typedef struct
270	{	280	{
271	W w;	281	W w;
272	int events;	282	int events;
273	} ANPENDING;	283	} ANPENDING;
274		284
275	#if EV_MULTIPLICITY	285	#if EV_MULTIPLICITY
276		286
277	struct ev_loop	287	struct ev_loop
278	{	288	{
		289	ev_tstamp ev_rt_now;
		290	#define ev_rt_now ((loop)->ev_rt_now)
279	# define VAR(name,decl) decl;	291	#define VAR(name,decl) decl;
280	# include "ev_vars.h"	292	#include "ev_vars.h"
281	};
282	# undef VAR	293	#undef VAR
		294	};
283	# include "ev_wrap.h"	295	#include "ev_wrap.h"
		296
		297	static struct ev_loop default_loop_struct;
		298	struct ev_loop *ev_default_loop_ptr;
284		299
285	#else	300	#else
286		301
		302	ev_tstamp ev_rt_now;
287	# define VAR(name,decl) static decl;	303	#define VAR(name,decl) static decl;
288	# include "ev_vars.h"	304	#include "ev_vars.h"
289	# undef VAR	305	#undef VAR
		306
		307	static int ev_default_loop_ptr;
290		308
291	#endif	309	#endif
292		310
293	/*****************************************************************************/	311	/*****************************************************************************/
294		312
295	inline ev_tstamp	313	ev_tstamp
296	ev_time (void)	314	ev_time (void)
297	{	315	{
298	#if EV_USE_REALTIME	316	#if EV_USE_REALTIME
299	struct timespec ts;	317	struct timespec ts;
300	clock_gettime (CLOCK_REALTIME, &ts);	318	clock_gettime (CLOCK_REALTIME, &ts);
…		…
319	#endif	337	#endif
320		338
321	return ev_time ();	339	return ev_time ();
322	}	340	}
323		341
		342	#if EV_MULTIPLICITY
324	ev_tstamp	343	ev_tstamp
325	ev_now (EV_P)	344	ev_now (EV_P)
326	{	345	{
327	return rt_now;	346	return ev_rt_now;
328	}	347	}
		348	#endif
329		349
330	#define array_roundsize(base,n) ((n) \| 4 & ~3)	350	#define array_roundsize(type,n) (((n) \| 4) & ~3)
331		351
332	#define array_needsize(base,cur,cnt,init) \	352	#define array_needsize(type,base,cur,cnt,init) \
333	if (expect_false ((cnt) > cur)) \	353	if (expect_false ((cnt) > cur)) \
334	{ \	354	{ \
335	int newcnt = cur; \	355	int newcnt = cur; \
336	do \	356	do \
337	{ \	357	{ \
338	newcnt = array_roundsize (base, newcnt << 1); \	358	newcnt = array_roundsize (type, newcnt << 1); \
339	} \	359	} \
340	while ((cnt) > newcnt); \	360	while ((cnt) > newcnt); \
341	\	361	\
342	base = ev_realloc (base, sizeof (base) (newcnt)); \	362	base = (type )ev_realloc (base, sizeof (type) (newcnt));\
343	init (base + cur, newcnt - cur); \	363	init (base + cur, newcnt - cur); \
344	cur = newcnt; \	364	cur = newcnt; \
345	}	365	}
346		366
347	#define array_slim(stem) \	367	#define array_slim(type,stem) \
348	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	368	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
349	{ \	369	{ \
350	stem ## max = array_roundsize (stem ## cnt >> 1); \	370	stem ## max = array_roundsize (stem ## cnt >> 1); \
351	base = ev_realloc (base, sizeof (base) (stem ## max)); \	371	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
352	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\	372	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
353	}	373	}
354
355	/* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */
356	/* bringing us everlasting joy in form of stupid extra macros that are not required in C */
357	#define array_free_microshit(stem) \
358	ev_free (stem ## s); stem ## cnt = stem ## max = 0;
359		374
360	#define array_free(stem, idx) \	375	#define array_free(stem, idx) \
361	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;	376	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
362		377
363	/*****************************************************************************/	378	/*****************************************************************************/
…		…
373		388
374	++base;	389	++base;
375	}	390	}
376	}	391	}
377		392
378	static void	393	void
379	event (EV_P_ W w, int events)	394	ev_feed_event (EV_P_ void *w, int revents)
380	{	395	{
381	if (w->pending)	396	W w_ = (W)w;
		397
		398	if (expect_false (w_->pending))
382	{	399	{
383	pendings [ABSPRI (w)][w->pending - 1].events \|= events;	400	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
384	return;	401	return;
385	}	402	}
386		403
387	w->pending = ++pendingcnt [ABSPRI (w)];	404	w_->pending = ++pendingcnt [ABSPRI (w_)];
388	array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], (void));	405	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
389	pendings [ABSPRI (w)][w->pending - 1].w = w;	406	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
390	pendings [ABSPRI (w)][w->pending - 1].events = events;	407	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
391	}	408	}
392		409
393	static void	410	static void
394	queue_events (EV_P_ W *events, int eventcnt, int type)	411	queue_events (EV_P_ W *events, int eventcnt, int type)
395	{	412	{
396	int i;	413	int i;
397		414
398	for (i = 0; i < eventcnt; ++i)	415	for (i = 0; i < eventcnt; ++i)
399	event (EV_A_ events [i], type);	416	ev_feed_event (EV_A_ events [i], type);
400	}	417	}
401		418
402	static void	419	inline void
403	fd_event (EV_P_ int fd, int events)	420	fd_event (EV_P_ int fd, int revents)
404	{	421	{
405	ANFD *anfd = anfds + fd;	422	ANFD *anfd = anfds + fd;
406	struct ev_io *w;	423	struct ev_io *w;
407		424
408	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	425	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
409	{	426	{
410	int ev = w->events & events;	427	int ev = w->events & revents;
411		428
412	if (ev)	429	if (ev)
413	event (EV_A_ (W)w, ev);	430	ev_feed_event (EV_A_ (W)w, ev);
414	}	431	}
		432	}
		433
		434	void
		435	ev_feed_fd_event (EV_P_ int fd, int revents)
		436	{
		437	fd_event (EV_A_ fd, revents);
415	}	438	}
416		439
417	/*****************************************************************************/	440	/*****************************************************************************/
418		441
419	static void	442	inline void
420	fd_reify (EV_P)	443	fd_reify (EV_P)
421	{	444	{
422	int i;	445	int i;
423		446
424	for (i = 0; i < fdchangecnt; ++i)	447	for (i = 0; i < fdchangecnt; ++i)
…		…
430	int events = 0;	453	int events = 0;
431		454
432	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	455	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
433	events \|= w->events;	456	events \|= w->events;
434		457
		458	#if EV_SELECT_IS_WINSOCKET
		459	if (events)
		460	{
		461	unsigned long argp;
		462	anfd->handle = _get_osfhandle (fd);
		463	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
		464	}
		465	#endif
		466
435	anfd->reify = 0;	467	anfd->reify = 0;
436		468
437	method_modify (EV_A_ fd, anfd->events, events);	469	method_modify (EV_A_ fd, anfd->events, events);
438	anfd->events = events;	470	anfd->events = events;
439	}	471	}
…		…
442	}	474	}
443		475
444	static void	476	static void
445	fd_change (EV_P_ int fd)	477	fd_change (EV_P_ int fd)
446	{	478	{
447	if (anfds [fd].reify)	479	if (expect_false (anfds [fd].reify))
448	return;	480	return;
449		481
450	anfds [fd].reify = 1;	482	anfds [fd].reify = 1;
451		483
452	++fdchangecnt;	484	++fdchangecnt;
453	array_needsize (fdchanges, fdchangemax, fdchangecnt, (void));	485	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
454	fdchanges [fdchangecnt - 1] = fd;	486	fdchanges [fdchangecnt - 1] = fd;
455	}	487	}
456		488
457	static void	489	static void
458	fd_kill (EV_P_ int fd)	490	fd_kill (EV_P_ int fd)
…		…
460	struct ev_io *w;	492	struct ev_io *w;
461		493
462	while ((w = (struct ev_io *)anfds [fd].head))	494	while ((w = (struct ev_io *)anfds [fd].head))
463	{	495	{
464	ev_io_stop (EV_A_ w);	496	ev_io_stop (EV_A_ w);
465	event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	497	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
466	}	498	}
467	}	499	}
468		500
469	static int	501	inline int
470	fd_valid (int fd)	502	fd_valid (int fd)
471	{	503	{
472	#ifdef WIN32	504	#ifdef _WIN32
473	return !!win32_get_osfhandle (fd);	505	return _get_osfhandle (fd) != -1;
474	#else	506	#else
475	return fcntl (fd, F_GETFD) != -1;	507	return fcntl (fd, F_GETFD) != -1;
476	#endif	508	#endif
477	}	509	}
478		510
…		…
558		590
559	heap [k] = w;	591	heap [k] = w;
560	((W)heap [k])->active = k + 1;	592	((W)heap [k])->active = k + 1;
561	}	593	}
562		594
		595	inline void
		596	adjustheap (WT *heap, int N, int k)
		597	{
		598	upheap (heap, k);
		599	downheap (heap, N, k);
		600	}
		601
563	/*****************************************************************************/	602	/*****************************************************************************/
564		603
565	typedef struct	604	typedef struct
566	{	605	{
567	WL head;	606	WL head;
…		…
588	}	627	}
589		628
590	static void	629	static void
591	sighandler (int signum)	630	sighandler (int signum)
592	{	631	{
593	#if WIN32	632	#if _WIN32
594	signal (signum, sighandler);	633	signal (signum, sighandler);
595	#endif	634	#endif
596		635
597	signals [signum - 1].gotsig = 1;	636	signals [signum - 1].gotsig = 1;
598		637
…		…
603	write (sigpipe [1], &signum, 1);	642	write (sigpipe [1], &signum, 1);
604	errno = old_errno;	643	errno = old_errno;
605	}	644	}
606	}	645	}
607		646
		647	void
		648	ev_feed_signal_event (EV_P_ int signum)
		649	{
		650	WL w;
		651
		652	#if EV_MULTIPLICITY
		653	assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
		654	#endif
		655
		656	--signum;
		657
		658	if (signum < 0 \|\| signum >= signalmax)
		659	return;
		660
		661	signals [signum].gotsig = 0;
		662
		663	for (w = signals [signum].head; w; w = w->next)
		664	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
		665	}
		666
608	static void	667	static void
609	sigcb (EV_P_ struct ev_io *iow, int revents)	668	sigcb (EV_P_ struct ev_io *iow, int revents)
610	{	669	{
611	WL w;
612	int signum;	670	int signum;
613		671
614	read (sigpipe [0], &revents, 1);	672	read (sigpipe [0], &revents, 1);
615	gotsig = 0;	673	gotsig = 0;
616		674
617	for (signum = signalmax; signum--; )	675	for (signum = signalmax; signum--; )
618	if (signals [signum].gotsig)	676	if (signals [signum].gotsig)
619	{	677	ev_feed_signal_event (EV_A_ signum + 1);
620	signals [signum].gotsig = 0;	678	}
621		679
622	for (w = signals [signum].head; w; w = w->next)	680	static void
623	event (EV_A_ (W)w, EV_SIGNAL);	681	fd_intern (int fd)
624	}	682	{
		683	#ifdef _WIN32
		684	int arg = 1;
		685	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
		686	#else
		687	fcntl (fd, F_SETFD, FD_CLOEXEC);
		688	fcntl (fd, F_SETFL, O_NONBLOCK);
		689	#endif
625	}	690	}
626		691
627	static void	692	static void
628	siginit (EV_P)	693	siginit (EV_P)
629	{	694	{
630	#ifndef WIN32	695	fd_intern (sigpipe [0]);
631	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	696	fd_intern (sigpipe [1]);
632	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
633
634	/* rather than sort out wether we really need nb, set it */
635	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
636	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
637	#endif
638		697
639	ev_io_set (&sigev, sigpipe [0], EV_READ);	698	ev_io_set (&sigev, sigpipe [0], EV_READ);
640	ev_io_start (EV_A_ &sigev);	699	ev_io_start (EV_A_ &sigev);
641	ev_unref (EV_A); /* child watcher should not keep loop alive */	700	ev_unref (EV_A); /* child watcher should not keep loop alive */
642	}	701	}
643		702
644	/*****************************************************************************/	703	/*****************************************************************************/
645		704
646	static struct ev_child *childs [PID_HASHSIZE];	705	static struct ev_child *childs [PID_HASHSIZE];
647		706
648	#ifndef WIN32	707	#ifndef _WIN32
649		708
650	static struct ev_signal childev;	709	static struct ev_signal childev;
651		710
652	#ifndef WCONTINUED	711	#ifndef WCONTINUED
653	# define WCONTINUED 0	712	# define WCONTINUED 0
…		…
662	if (w->pid == pid \|\| !w->pid)	721	if (w->pid == pid \|\| !w->pid)
663	{	722	{
664	ev_priority (w) = ev_priority (sw); /* need to do it now */	723	ev_priority (w) = ev_priority (sw); /* need to do it now */
665	w->rpid = pid;	724	w->rpid = pid;
666	w->rstatus = status;	725	w->rstatus = status;
667	event (EV_A_ (W)w, EV_CHILD);	726	ev_feed_event (EV_A_ (W)w, EV_CHILD);
668	}	727	}
669	}	728	}
670		729
671	static void	730	static void
672	childcb (EV_P_ struct ev_signal *sw, int revents)	731	childcb (EV_P_ struct ev_signal *sw, int revents)
…		…
674	int pid, status;	733	int pid, status;
675		734
676	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))	735	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
677	{	736	{
678	/* make sure we are called again until all childs have been reaped */	737	/* make sure we are called again until all childs have been reaped */
679	event (EV_A_ (W)sw, EV_SIGNAL);	738	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
680		739
681	child_reap (EV_A_ sw, pid, pid, status);	740	child_reap (EV_A_ sw, pid, pid, status);
682	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */	741	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
683	}	742	}
684	}	743	}
685		744
686	#endif	745	#endif
687		746
688	/*****************************************************************************/	747	/*****************************************************************************/
689		748
		749	#if EV_USE_PORT
		750	# include "ev_port.c"
		751	#endif
690	#if EV_USE_KQUEUE	752	#if EV_USE_KQUEUE
691	# include "ev_kqueue.c"	753	# include "ev_kqueue.c"
692	#endif	754	#endif
693	#if EV_USE_EPOLL	755	#if EV_USE_EPOLL
694	# include "ev_epoll.c"	756	# include "ev_epoll.c"
…		…
714		776
715	/* return true if we are running with elevated privileges and should ignore env variables */	777	/* return true if we are running with elevated privileges and should ignore env variables */
716	static int	778	static int
717	enable_secure (void)	779	enable_secure (void)
718	{	780	{
719	#ifdef WIN32	781	#ifdef _WIN32
720	return 0;	782	return 0;
721	#else	783	#else
722	return getuid () != geteuid ()	784	return getuid () != geteuid ()
723	\|\| getgid () != getegid ();	785	\|\| getgid () != getegid ();
724	#endif	786	#endif
725	}	787	}
726		788
727	int	789	unsigned int
728	ev_method (EV_P)	790	ev_method (EV_P)
729	{	791	{
730	return method;	792	return method;
731	}	793	}
732		794
733	static void	795	static void
734	loop_init (EV_P_ int methods)	796	loop_init (EV_P_ unsigned int flags)
735	{	797	{
736	if (!method)	798	if (!method)
737	{	799	{
738	#if EV_USE_MONOTONIC	800	#if EV_USE_MONOTONIC
739	{	801	{
…		…
741	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	803	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
742	have_monotonic = 1;	804	have_monotonic = 1;
743	}	805	}
744	#endif	806	#endif
745		807
746	rt_now = ev_time ();	808	ev_rt_now = ev_time ();
747	mn_now = get_clock ();	809	mn_now = get_clock ();
748	now_floor = mn_now;	810	now_floor = mn_now;
749	rtmn_diff = rt_now - mn_now;	811	rtmn_diff = ev_rt_now - mn_now;
750		812
751	if (methods == EVMETHOD_AUTO)	813	if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS"))
752	if (!enable_secure () && getenv ("LIBEV_METHODS"))
753	methods = atoi (getenv ("LIBEV_METHODS"));	814	flags = atoi (getenv ("LIBEV_FLAGS"));
754	else	815
755	methods = EVMETHOD_ANY;	816	if (!(flags & 0x0000ffff))
		817	flags \|= 0x0000ffff;
756		818
757	method = 0;	819	method = 0;
758	#if EV_USE_WIN32	820	#if EV_USE_PORT
759	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);	821	if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags);
760	#endif	822	#endif
761	#if EV_USE_KQUEUE	823	#if EV_USE_KQUEUE
762	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	824	if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags);
763	#endif	825	#endif
764	#if EV_USE_EPOLL	826	#if EV_USE_EPOLL
765	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	827	if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags);
766	#endif	828	#endif
767	#if EV_USE_POLL	829	#if EV_USE_POLL
768	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	830	if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags);
769	#endif	831	#endif
770	#if EV_USE_SELECT	832	#if EV_USE_SELECT
771	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	833	if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags);
772	#endif	834	#endif
773		835
774	ev_watcher_init (&sigev, sigcb);	836	ev_init (&sigev, sigcb);
775	ev_set_priority (&sigev, EV_MAXPRI);	837	ev_set_priority (&sigev, EV_MAXPRI);
776	}	838	}
777	}	839	}
778		840
779	void	841	static void
780	loop_destroy (EV_P)	842	loop_destroy (EV_P)
781	{	843	{
782	int i;	844	int i;
783		845
784	#if EV_USE_WIN32	846	#if EV_USE_PORT
785	if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);	847	if (method == EVMETHOD_PORT ) port_destroy (EV_A);
786	#endif	848	#endif
787	#if EV_USE_KQUEUE	849	#if EV_USE_KQUEUE
788	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);	850	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
789	#endif	851	#endif
790	#if EV_USE_EPOLL	852	#if EV_USE_EPOLL
…		…
799		861
800	for (i = NUMPRI; i--; )	862	for (i = NUMPRI; i--; )
801	array_free (pending, [i]);	863	array_free (pending, [i]);
802		864
803	/* have to use the microsoft-never-gets-it-right macro */	865	/* have to use the microsoft-never-gets-it-right macro */
804	array_free_microshit (fdchange);	866	array_free (fdchange, EMPTY0);
805	array_free_microshit (timer);	867	array_free (timer, EMPTY0);
806	array_free_microshit (periodic);	868	#if EV_PERIODICS
807	array_free_microshit (idle);	869	array_free (periodic, EMPTY0);
808	array_free_microshit (prepare);	870	#endif
809	array_free_microshit (check);	871	array_free (idle, EMPTY0);
		872	array_free (prepare, EMPTY0);
		873	array_free (check, EMPTY0);
810		874
811	method = 0;	875	method = 0;
812	}	876	}
813		877
814	static void	878	static void
815	loop_fork (EV_P)	879	loop_fork (EV_P)
816	{	880	{
		881	#if EV_USE_PORT
		882	if (method == EVMETHOD_PORT ) port_fork (EV_A);
		883	#endif
		884	#if EV_USE_KQUEUE
		885	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
		886	#endif
817	#if EV_USE_EPOLL	887	#if EV_USE_EPOLL
818	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);	888	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
819	#endif
820	#if EV_USE_KQUEUE
821	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
822	#endif	889	#endif
823		890
824	if (ev_is_active (&sigev))	891	if (ev_is_active (&sigev))
825	{	892	{
826	/* default loop */	893	/* default loop */
…		…
828	ev_ref (EV_A);	895	ev_ref (EV_A);
829	ev_io_stop (EV_A_ &sigev);	896	ev_io_stop (EV_A_ &sigev);
830	close (sigpipe [0]);	897	close (sigpipe [0]);
831	close (sigpipe [1]);	898	close (sigpipe [1]);
832		899
833	while (ev_pipe (sigpipe))	900	while (pipe (sigpipe))
834	syserr ("(libev) error creating pipe");	901	syserr ("(libev) error creating pipe");
835		902
836	siginit (EV_A);	903	siginit (EV_A);
837	}	904	}
838		905
839	postfork = 0;	906	postfork = 0;
840	}	907	}
841		908
842	#if EV_MULTIPLICITY	909	#if EV_MULTIPLICITY
843	struct ev_loop *	910	struct ev_loop *
844	ev_loop_new (int methods)	911	ev_loop_new (unsigned int flags)
845	{	912	{
846	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));	913	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
847		914
848	memset (loop, 0, sizeof (struct ev_loop));	915	memset (loop, 0, sizeof (struct ev_loop));
849		916
850	loop_init (EV_A_ methods);	917	loop_init (EV_A_ flags);
851		918
852	if (ev_method (EV_A))	919	if (ev_method (EV_A))
853	return loop;	920	return loop;
854		921
855	return 0;	922	return 0;
…		…
869	}	936	}
870		937
871	#endif	938	#endif
872		939
873	#if EV_MULTIPLICITY	940	#if EV_MULTIPLICITY
874	struct ev_loop default_loop_struct;
875	static struct ev_loop *default_loop;
876
877	struct ev_loop *	941	struct ev_loop *
		942	ev_default_loop_init (unsigned int flags)
878	#else	943	#else
879	static int default_loop;
880
881	int	944	int
		945	ev_default_loop (unsigned int flags)
882	#endif	946	#endif
883	ev_default_loop (int methods)
884	{	947	{
885	if (sigpipe [0] == sigpipe [1])	948	if (sigpipe [0] == sigpipe [1])
886	if (ev_pipe (sigpipe))	949	if (pipe (sigpipe))
887	return 0;	950	return 0;
888		951
889	if (!default_loop)	952	if (!ev_default_loop_ptr)
890	{	953	{
891	#if EV_MULTIPLICITY	954	#if EV_MULTIPLICITY
892	struct ev_loop *loop = default_loop = &default_loop_struct;	955	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
893	#else	956	#else
894	default_loop = 1;	957	ev_default_loop_ptr = 1;
895	#endif	958	#endif
896		959
897	loop_init (EV_A_ methods);	960	loop_init (EV_A_ flags);
898		961
899	if (ev_method (EV_A))	962	if (ev_method (EV_A))
900	{	963	{
901	siginit (EV_A);	964	siginit (EV_A);
902		965
903	#ifndef WIN32	966	#ifndef _WIN32
904	ev_signal_init (&childev, childcb, SIGCHLD);	967	ev_signal_init (&childev, childcb, SIGCHLD);
905	ev_set_priority (&childev, EV_MAXPRI);	968	ev_set_priority (&childev, EV_MAXPRI);
906	ev_signal_start (EV_A_ &childev);	969	ev_signal_start (EV_A_ &childev);
907	ev_unref (EV_A); /* child watcher should not keep loop alive */	970	ev_unref (EV_A); /* child watcher should not keep loop alive */
908	#endif	971	#endif
909	}	972	}
910	else	973	else
911	default_loop = 0;	974	ev_default_loop_ptr = 0;
912	}	975	}
913		976
914	return default_loop;	977	return ev_default_loop_ptr;
915	}	978	}
916		979
917	void	980	void
918	ev_default_destroy (void)	981	ev_default_destroy (void)
919	{	982	{
920	#if EV_MULTIPLICITY	983	#if EV_MULTIPLICITY
921	struct ev_loop *loop = default_loop;	984	struct ev_loop *loop = ev_default_loop_ptr;
922	#endif	985	#endif
923		986
924	#ifndef WIN32	987	#ifndef _WIN32
925	ev_ref (EV_A); /* child watcher */	988	ev_ref (EV_A); /* child watcher */
926	ev_signal_stop (EV_A_ &childev);	989	ev_signal_stop (EV_A_ &childev);
927	#endif	990	#endif
928		991
929	ev_ref (EV_A); /* signal watcher */	992	ev_ref (EV_A); /* signal watcher */
…		…
937		1000
938	void	1001	void
939	ev_default_fork (void)	1002	ev_default_fork (void)
940	{	1003	{
941	#if EV_MULTIPLICITY	1004	#if EV_MULTIPLICITY
942	struct ev_loop *loop = default_loop;	1005	struct ev_loop *loop = ev_default_loop_ptr;
943	#endif	1006	#endif
944		1007
945	if (method)	1008	if (method)
946	postfork = 1;	1009	postfork = 1;
947	}	1010	}
948		1011
949	/*****************************************************************************/	1012	/*****************************************************************************/
950		1013
951	static void	1014	static int
		1015	any_pending (EV_P)
		1016	{
		1017	int pri;
		1018
		1019	for (pri = NUMPRI; pri--; )
		1020	if (pendingcnt [pri])
		1021	return 1;
		1022
		1023	return 0;
		1024	}
		1025
		1026	inline void
952	call_pending (EV_P)	1027	call_pending (EV_P)
953	{	1028	{
954	int pri;	1029	int pri;
955		1030
956	for (pri = NUMPRI; pri--; )	1031	for (pri = NUMPRI; pri--; )
957	while (pendingcnt [pri])	1032	while (pendingcnt [pri])
958	{	1033	{
959	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1034	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
960		1035
961	if (p->w)	1036	if (expect_true (p->w))
962	{	1037	{
963	p->w->pending = 0;	1038	p->w->pending = 0;
964	p->w->cb (EV_A_ p->w, p->events);	1039	EV_CB_INVOKE (p->w, p->events);
965	}	1040	}
966	}	1041	}
967	}	1042	}
968		1043
969	static void	1044	inline void
970	timers_reify (EV_P)	1045	timers_reify (EV_P)
971	{	1046	{
972	while (timercnt && ((WT)timers [0])->at <= mn_now)	1047	while (timercnt && ((WT)timers [0])->at <= mn_now)
973	{	1048	{
974	struct ev_timer *w = timers [0];	1049	struct ev_timer *w = timers [0];
…		…
977		1052
978	/* first reschedule or stop timer */	1053	/* first reschedule or stop timer */
979	if (w->repeat)	1054	if (w->repeat)
980	{	1055	{
981	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1056	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
		1057
982	((WT)w)->at = mn_now + w->repeat;	1058	((WT)w)->at += w->repeat;
		1059	if (((WT)w)->at < mn_now)
		1060	((WT)w)->at = mn_now;
		1061
983	downheap ((WT *)timers, timercnt, 0);	1062	downheap ((WT *)timers, timercnt, 0);
984	}	1063	}
985	else	1064	else
986	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1065	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
987		1066
988	event (EV_A_ (W)w, EV_TIMEOUT);	1067	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
989	}	1068	}
990	}	1069	}
991		1070
992	static void	1071	#if EV_PERIODICS
		1072	inline void
993	periodics_reify (EV_P)	1073	periodics_reify (EV_P)
994	{	1074	{
995	while (periodiccnt && ((WT)periodics [0])->at <= rt_now)	1075	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
996	{	1076	{
997	struct ev_periodic *w = periodics [0];	1077	struct ev_periodic *w = periodics [0];
998		1078
999	assert (("inactive timer on periodic heap detected", ev_is_active (w)));	1079	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
1000		1080
1001	/* first reschedule or stop timer */	1081	/* first reschedule or stop timer */
1002	if (w->interval)	1082	if (w->reschedule_cb)
1003	{	1083	{
		1084	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
		1085	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
		1086	downheap ((WT *)periodics, periodiccnt, 0);
		1087	}
		1088	else if (w->interval)
		1089	{
1004	((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;	1090	((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
1005	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now));	1091	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
1006	downheap ((WT *)periodics, periodiccnt, 0);	1092	downheap ((WT *)periodics, periodiccnt, 0);
1007	}	1093	}
1008	else	1094	else
1009	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1095	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1010		1096
1011	event (EV_A_ (W)w, EV_PERIODIC);	1097	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1012	}	1098	}
1013	}	1099	}
1014		1100
1015	static void	1101	static void
1016	periodics_reschedule (EV_P)	1102	periodics_reschedule (EV_P)
…		…
1020	/* adjust periodics after time jump */	1106	/* adjust periodics after time jump */
1021	for (i = 0; i < periodiccnt; ++i)	1107	for (i = 0; i < periodiccnt; ++i)
1022	{	1108	{
1023	struct ev_periodic *w = periodics [i];	1109	struct ev_periodic *w = periodics [i];
1024		1110
		1111	if (w->reschedule_cb)
		1112	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1025	if (w->interval)	1113	else if (w->interval)
1026	{
1027	ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;	1114	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
1028
1029	if (fabs (diff) >= 1e-4)
1030	{
1031	ev_periodic_stop (EV_A_ w);
1032	ev_periodic_start (EV_A_ w);
1033
1034	i = 0; /* restart loop, inefficient, but time jumps should be rare */
1035	}
1036	}
1037	}	1115	}
		1116
		1117	/* now rebuild the heap */
		1118	for (i = periodiccnt >> 1; i--; )
		1119	downheap ((WT *)periodics, periodiccnt, i);
1038	}	1120	}
		1121	#endif
1039		1122
1040	inline int	1123	inline int
1041	time_update_monotonic (EV_P)	1124	time_update_monotonic (EV_P)
1042	{	1125	{
1043	mn_now = get_clock ();	1126	mn_now = get_clock ();
1044		1127
1045	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1128	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
1046	{	1129	{
1047	rt_now = rtmn_diff + mn_now;	1130	ev_rt_now = rtmn_diff + mn_now;
1048	return 0;	1131	return 0;
1049	}	1132	}
1050	else	1133	else
1051	{	1134	{
1052	now_floor = mn_now;	1135	now_floor = mn_now;
1053	rt_now = ev_time ();	1136	ev_rt_now = ev_time ();
1054	return 1;	1137	return 1;
1055	}	1138	}
1056	}	1139	}
1057		1140
1058	static void	1141	inline void
1059	time_update (EV_P)	1142	time_update (EV_P)
1060	{	1143	{
1061	int i;	1144	int i;
1062		1145
1063	#if EV_USE_MONOTONIC	1146	#if EV_USE_MONOTONIC
…		…
1067	{	1150	{
1068	ev_tstamp odiff = rtmn_diff;	1151	ev_tstamp odiff = rtmn_diff;
1069		1152
1070	for (i = 4; --i; ) /* loop a few times, before making important decisions */	1153	for (i = 4; --i; ) /* loop a few times, before making important decisions */
1071	{	1154	{
1072	rtmn_diff = rt_now - mn_now;	1155	rtmn_diff = ev_rt_now - mn_now;
1073		1156
1074	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1157	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
1075	return; /* all is well */	1158	return; /* all is well */
1076		1159
1077	rt_now = ev_time ();	1160	ev_rt_now = ev_time ();
1078	mn_now = get_clock ();	1161	mn_now = get_clock ();
1079	now_floor = mn_now;	1162	now_floor = mn_now;
1080	}	1163	}
1081		1164
		1165	# if EV_PERIODICS
1082	periodics_reschedule (EV_A);	1166	periodics_reschedule (EV_A);
		1167	# endif
1083	/* no timer adjustment, as the monotonic clock doesn't jump */	1168	/* no timer adjustment, as the monotonic clock doesn't jump */
1084	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */	1169	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1085	}	1170	}
1086	}	1171	}
1087	else	1172	else
1088	#endif	1173	#endif
1089	{	1174	{
1090	rt_now = ev_time ();	1175	ev_rt_now = ev_time ();
1091		1176
1092	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1177	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
1093	{	1178	{
		1179	#if EV_PERIODICS
1094	periodics_reschedule (EV_A);	1180	periodics_reschedule (EV_A);
		1181	#endif
1095		1182
1096	/* adjust timers. this is easy, as the offset is the same for all */	1183	/* adjust timers. this is easy, as the offset is the same for all */
1097	for (i = 0; i < timercnt; ++i)	1184	for (i = 0; i < timercnt; ++i)
1098	((WT)timers [i])->at += rt_now - mn_now;	1185	((WT)timers [i])->at += ev_rt_now - mn_now;
1099	}	1186	}
1100		1187
1101	mn_now = rt_now;	1188	mn_now = ev_rt_now;
1102	}	1189	}
1103	}	1190	}
1104		1191
1105	void	1192	void
1106	ev_ref (EV_P)	1193	ev_ref (EV_P)
…		…
1120	ev_loop (EV_P_ int flags)	1207	ev_loop (EV_P_ int flags)
1121	{	1208	{
1122	double block;	1209	double block;
1123	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1210	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
1124		1211
1125	do	1212	while (activecnt)
1126	{	1213	{
1127	/* queue check watchers (and execute them) */	1214	/* queue check watchers (and execute them) */
1128	if (expect_false (preparecnt))	1215	if (expect_false (preparecnt))
1129	{	1216	{
1130	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1217	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
…		…
1138	/* update fd-related kernel structures */	1225	/* update fd-related kernel structures */
1139	fd_reify (EV_A);	1226	fd_reify (EV_A);
1140		1227
1141	/* calculate blocking time */	1228	/* calculate blocking time */
1142		1229
1143	/* we only need this for !monotonic clockor timers, but as we basically	1230	/* we only need this for !monotonic clock or timers, but as we basically
1144	always have timers, we just calculate it always */	1231	always have timers, we just calculate it always */
1145	#if EV_USE_MONOTONIC	1232	#if EV_USE_MONOTONIC
1146	if (expect_true (have_monotonic))	1233	if (expect_true (have_monotonic))
1147	time_update_monotonic (EV_A);	1234	time_update_monotonic (EV_A);
1148	else	1235	else
1149	#endif	1236	#endif
1150	{	1237	{
1151	rt_now = ev_time ();	1238	ev_rt_now = ev_time ();
1152	mn_now = rt_now;	1239	mn_now = ev_rt_now;
1153	}	1240	}
1154		1241
1155	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1242	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
1156	block = 0.;	1243	block = 0.;
1157	else	1244	else
…		…
1162	{	1249	{
1163	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;	1250	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
1164	if (block > to) block = to;	1251	if (block > to) block = to;
1165	}	1252	}
1166		1253
		1254	#if EV_PERIODICS
1167	if (periodiccnt)	1255	if (periodiccnt)
1168	{	1256	{
1169	ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;	1257	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
1170	if (block > to) block = to;	1258	if (block > to) block = to;
1171	}	1259	}
		1260	#endif
1172		1261
1173	if (block < 0.) block = 0.;	1262	if (expect_false (block < 0.)) block = 0.;
1174	}	1263	}
1175		1264
1176	method_poll (EV_A_ block);	1265	method_poll (EV_A_ block);
1177		1266
1178	/* update rt_now, do magic */	1267	/* update ev_rt_now, do magic */
1179	time_update (EV_A);	1268	time_update (EV_A);
1180		1269
1181	/* queue pending timers and reschedule them */	1270	/* queue pending timers and reschedule them */
1182	timers_reify (EV_A); /* relative timers called last */	1271	timers_reify (EV_A); /* relative timers called last */
		1272	#if EV_PERIODICS
1183	periodics_reify (EV_A); /* absolute timers called first */	1273	periodics_reify (EV_A); /* absolute timers called first */
		1274	#endif
1184		1275
1185	/* queue idle watchers unless io or timers are pending */	1276	/* queue idle watchers unless io or timers are pending */
1186	if (!pendingcnt)	1277	if (idlecnt && !any_pending (EV_A))
1187	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1278	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
1188		1279
1189	/* queue check watchers, to be executed first */	1280	/* queue check watchers, to be executed first */
1190	if (checkcnt)	1281	if (expect_false (checkcnt))
1191	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1282	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1192		1283
1193	call_pending (EV_A);	1284	call_pending (EV_A);
		1285
		1286	if (expect_false (loop_done))
		1287	break;
1194	}	1288	}
1195	while (activecnt && !loop_done);
1196		1289
1197	if (loop_done != 2)	1290	if (loop_done != 2)
1198	loop_done = 0;	1291	loop_done = 0;
1199	}	1292	}
1200		1293
…		…
1260	void	1353	void
1261	ev_io_start (EV_P_ struct ev_io *w)	1354	ev_io_start (EV_P_ struct ev_io *w)
1262	{	1355	{
1263	int fd = w->fd;	1356	int fd = w->fd;
1264		1357
1265	if (ev_is_active (w))	1358	if (expect_false (ev_is_active (w)))
1266	return;	1359	return;
1267		1360
1268	assert (("ev_io_start called with negative fd", fd >= 0));	1361	assert (("ev_io_start called with negative fd", fd >= 0));
1269		1362
1270	ev_start (EV_A_ (W)w, 1);	1363	ev_start (EV_A_ (W)w, 1);
1271	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	1364	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1272	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1365	wlist_add ((WL *)&anfds[fd].head, (WL)w);
1273		1366
1274	fd_change (EV_A_ fd);	1367	fd_change (EV_A_ fd);
1275	}	1368	}
1276		1369
1277	void	1370	void
1278	ev_io_stop (EV_P_ struct ev_io *w)	1371	ev_io_stop (EV_P_ struct ev_io *w)
1279	{	1372	{
1280	ev_clear_pending (EV_A_ (W)w);	1373	ev_clear_pending (EV_A_ (W)w);
1281	if (!ev_is_active (w))	1374	if (expect_false (!ev_is_active (w)))
1282	return;	1375	return;
		1376
		1377	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1283		1378
1284	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1379	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
1285	ev_stop (EV_A_ (W)w);	1380	ev_stop (EV_A_ (W)w);
1286		1381
1287	fd_change (EV_A_ w->fd);	1382	fd_change (EV_A_ w->fd);
1288	}	1383	}
1289		1384
1290	void	1385	void
1291	ev_timer_start (EV_P_ struct ev_timer *w)	1386	ev_timer_start (EV_P_ struct ev_timer *w)
1292	{	1387	{
1293	if (ev_is_active (w))	1388	if (expect_false (ev_is_active (w)))
1294	return;	1389	return;
1295		1390
1296	((WT)w)->at += mn_now;	1391	((WT)w)->at += mn_now;
1297		1392
1298	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1393	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1299		1394
1300	ev_start (EV_A_ (W)w, ++timercnt);	1395	ev_start (EV_A_ (W)w, ++timercnt);
1301	array_needsize (timers, timermax, timercnt, (void));	1396	array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2);
1302	timers [timercnt - 1] = w;	1397	timers [timercnt - 1] = w;
1303	upheap ((WT *)timers, timercnt - 1);	1398	upheap ((WT *)timers, timercnt - 1);
1304		1399
1305	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1400	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1306	}	1401	}
1307		1402
1308	void	1403	void
1309	ev_timer_stop (EV_P_ struct ev_timer *w)	1404	ev_timer_stop (EV_P_ struct ev_timer *w)
1310	{	1405	{
1311	ev_clear_pending (EV_A_ (W)w);	1406	ev_clear_pending (EV_A_ (W)w);
1312	if (!ev_is_active (w))	1407	if (expect_false (!ev_is_active (w)))
1313	return;	1408	return;
1314		1409
1315	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1410	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1316		1411
1317	if (((W)w)->active < timercnt--)	1412	if (expect_true (((W)w)->active < timercnt--))
1318	{	1413	{
1319	timers [((W)w)->active - 1] = timers [timercnt];	1414	timers [((W)w)->active - 1] = timers [timercnt];
1320	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1415	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1321	}	1416	}
1322		1417
1323	((WT)w)->at = w->repeat;	1418	((WT)w)->at -= mn_now;
1324		1419
1325	ev_stop (EV_A_ (W)w);	1420	ev_stop (EV_A_ (W)w);
1326	}	1421	}
1327		1422
1328	void	1423	void
…		…
1331	if (ev_is_active (w))	1426	if (ev_is_active (w))
1332	{	1427	{
1333	if (w->repeat)	1428	if (w->repeat)
1334	{	1429	{
1335	((WT)w)->at = mn_now + w->repeat;	1430	((WT)w)->at = mn_now + w->repeat;
1336	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1431	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1337	}	1432	}
1338	else	1433	else
1339	ev_timer_stop (EV_A_ w);	1434	ev_timer_stop (EV_A_ w);
1340	}	1435	}
1341	else if (w->repeat)	1436	else if (w->repeat)
		1437	{
		1438	w->at = w->repeat;
1342	ev_timer_start (EV_A_ w);	1439	ev_timer_start (EV_A_ w);
		1440	}
1343	}	1441	}
1344		1442
		1443	#if EV_PERIODICS
1345	void	1444	void
1346	ev_periodic_start (EV_P_ struct ev_periodic *w)	1445	ev_periodic_start (EV_P_ struct ev_periodic *w)
1347	{	1446	{
1348	if (ev_is_active (w))	1447	if (expect_false (ev_is_active (w)))
1349	return;	1448	return;
1350		1449
		1450	if (w->reschedule_cb)
		1451	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
		1452	else if (w->interval)
		1453	{
1351	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1454	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1352
1353	/* this formula differs from the one in periodic_reify because we do not always round up */	1455	/* this formula differs from the one in periodic_reify because we do not always round up */
1354	if (w->interval)
1355	((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;	1456	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
		1457	}
1356		1458
1357	ev_start (EV_A_ (W)w, ++periodiccnt);	1459	ev_start (EV_A_ (W)w, ++periodiccnt);
1358	array_needsize (periodics, periodicmax, periodiccnt, (void));	1460	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1359	periodics [periodiccnt - 1] = w;	1461	periodics [periodiccnt - 1] = w;
1360	upheap ((WT *)periodics, periodiccnt - 1);	1462	upheap ((WT *)periodics, periodiccnt - 1);
1361		1463
1362	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1464	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1363	}	1465	}
1364		1466
1365	void	1467	void
1366	ev_periodic_stop (EV_P_ struct ev_periodic *w)	1468	ev_periodic_stop (EV_P_ struct ev_periodic *w)
1367	{	1469	{
1368	ev_clear_pending (EV_A_ (W)w);	1470	ev_clear_pending (EV_A_ (W)w);
1369	if (!ev_is_active (w))	1471	if (expect_false (!ev_is_active (w)))
1370	return;	1472	return;
1371		1473
1372	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1474	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1373		1475
1374	if (((W)w)->active < periodiccnt--)	1476	if (expect_true (((W)w)->active < periodiccnt--))
1375	{	1477	{
1376	periodics [((W)w)->active - 1] = periodics [periodiccnt];	1478	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1377	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);	1479	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1378	}	1480	}
1379		1481
1380	ev_stop (EV_A_ (W)w);	1482	ev_stop (EV_A_ (W)w);
1381	}	1483	}
1382		1484
1383	void	1485	void
		1486	ev_periodic_again (EV_P_ struct ev_periodic *w)
		1487	{
		1488	/* TODO: use adjustheap and recalculation */
		1489	ev_periodic_stop (EV_A_ w);
		1490	ev_periodic_start (EV_A_ w);
		1491	}
		1492	#endif
		1493
		1494	void
1384	ev_idle_start (EV_P_ struct ev_idle *w)	1495	ev_idle_start (EV_P_ struct ev_idle *w)
1385	{	1496	{
1386	if (ev_is_active (w))	1497	if (expect_false (ev_is_active (w)))
1387	return;	1498	return;
1388		1499
1389	ev_start (EV_A_ (W)w, ++idlecnt);	1500	ev_start (EV_A_ (W)w, ++idlecnt);
1390	array_needsize (idles, idlemax, idlecnt, (void));	1501	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1391	idles [idlecnt - 1] = w;	1502	idles [idlecnt - 1] = w;
1392	}	1503	}
1393		1504
1394	void	1505	void
1395	ev_idle_stop (EV_P_ struct ev_idle *w)	1506	ev_idle_stop (EV_P_ struct ev_idle *w)
1396	{	1507	{
1397	ev_clear_pending (EV_A_ (W)w);	1508	ev_clear_pending (EV_A_ (W)w);
1398	if (ev_is_active (w))	1509	if (expect_false (!ev_is_active (w)))
1399	return;	1510	return;
1400		1511
1401	idles [((W)w)->active - 1] = idles [--idlecnt];	1512	idles [((W)w)->active - 1] = idles [--idlecnt];
1402	ev_stop (EV_A_ (W)w);	1513	ev_stop (EV_A_ (W)w);
1403	}	1514	}
1404		1515
1405	void	1516	void
1406	ev_prepare_start (EV_P_ struct ev_prepare *w)	1517	ev_prepare_start (EV_P_ struct ev_prepare *w)
1407	{	1518	{
1408	if (ev_is_active (w))	1519	if (expect_false (ev_is_active (w)))
1409	return;	1520	return;
1410		1521
1411	ev_start (EV_A_ (W)w, ++preparecnt);	1522	ev_start (EV_A_ (W)w, ++preparecnt);
1412	array_needsize (prepares, preparemax, preparecnt, (void));	1523	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1413	prepares [preparecnt - 1] = w;	1524	prepares [preparecnt - 1] = w;
1414	}	1525	}
1415		1526
1416	void	1527	void
1417	ev_prepare_stop (EV_P_ struct ev_prepare *w)	1528	ev_prepare_stop (EV_P_ struct ev_prepare *w)
1418	{	1529	{
1419	ev_clear_pending (EV_A_ (W)w);	1530	ev_clear_pending (EV_A_ (W)w);
1420	if (ev_is_active (w))	1531	if (expect_false (!ev_is_active (w)))
1421	return;	1532	return;
1422		1533
1423	prepares [((W)w)->active - 1] = prepares [--preparecnt];	1534	prepares [((W)w)->active - 1] = prepares [--preparecnt];
1424	ev_stop (EV_A_ (W)w);	1535	ev_stop (EV_A_ (W)w);
1425	}	1536	}
1426		1537
1427	void	1538	void
1428	ev_check_start (EV_P_ struct ev_check *w)	1539	ev_check_start (EV_P_ struct ev_check *w)
1429	{	1540	{
1430	if (ev_is_active (w))	1541	if (expect_false (ev_is_active (w)))
1431	return;	1542	return;
1432		1543
1433	ev_start (EV_A_ (W)w, ++checkcnt);	1544	ev_start (EV_A_ (W)w, ++checkcnt);
1434	array_needsize (checks, checkmax, checkcnt, (void));	1545	array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2);
1435	checks [checkcnt - 1] = w;	1546	checks [checkcnt - 1] = w;
1436	}	1547	}
1437		1548
1438	void	1549	void
1439	ev_check_stop (EV_P_ struct ev_check *w)	1550	ev_check_stop (EV_P_ struct ev_check *w)
1440	{	1551	{
1441	ev_clear_pending (EV_A_ (W)w);	1552	ev_clear_pending (EV_A_ (W)w);
1442	if (ev_is_active (w))	1553	if (expect_false (!ev_is_active (w)))
1443	return;	1554	return;
1444		1555
1445	checks [((W)w)->active - 1] = checks [--checkcnt];	1556	checks [((W)w)->active - 1] = checks [--checkcnt];
1446	ev_stop (EV_A_ (W)w);	1557	ev_stop (EV_A_ (W)w);
1447	}	1558	}
…		…
1452		1563
1453	void	1564	void
1454	ev_signal_start (EV_P_ struct ev_signal *w)	1565	ev_signal_start (EV_P_ struct ev_signal *w)
1455	{	1566	{
1456	#if EV_MULTIPLICITY	1567	#if EV_MULTIPLICITY
1457	assert (("signal watchers are only supported in the default loop", loop == default_loop));	1568	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1458	#endif	1569	#endif
1459	if (ev_is_active (w))	1570	if (expect_false (ev_is_active (w)))
1460	return;	1571	return;
1461		1572
1462	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1573	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1463		1574
1464	ev_start (EV_A_ (W)w, 1);	1575	ev_start (EV_A_ (W)w, 1);
1465	array_needsize (signals, signalmax, w->signum, signals_init);	1576	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1466	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1577	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1467		1578
1468	if (!((WL)w)->next)	1579	if (!((WL)w)->next)
1469	{	1580	{
1470	#if WIN32	1581	#if _WIN32
1471	signal (w->signum, sighandler);	1582	signal (w->signum, sighandler);
1472	#else	1583	#else
1473	struct sigaction sa;	1584	struct sigaction sa;
1474	sa.sa_handler = sighandler;	1585	sa.sa_handler = sighandler;
1475	sigfillset (&sa.sa_mask);	1586	sigfillset (&sa.sa_mask);
…		…
1481		1592
1482	void	1593	void
1483	ev_signal_stop (EV_P_ struct ev_signal *w)	1594	ev_signal_stop (EV_P_ struct ev_signal *w)
1484	{	1595	{
1485	ev_clear_pending (EV_A_ (W)w);	1596	ev_clear_pending (EV_A_ (W)w);
1486	if (!ev_is_active (w))	1597	if (expect_false (!ev_is_active (w)))
1487	return;	1598	return;
1488		1599
1489	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1600	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1490	ev_stop (EV_A_ (W)w);	1601	ev_stop (EV_A_ (W)w);
1491		1602
…		…
1495		1606
1496	void	1607	void
1497	ev_child_start (EV_P_ struct ev_child *w)	1608	ev_child_start (EV_P_ struct ev_child *w)
1498	{	1609	{
1499	#if EV_MULTIPLICITY	1610	#if EV_MULTIPLICITY
1500	assert (("child watchers are only supported in the default loop", loop == default_loop));	1611	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1501	#endif	1612	#endif
1502	if (ev_is_active (w))	1613	if (expect_false (ev_is_active (w)))
1503	return;	1614	return;
1504		1615
1505	ev_start (EV_A_ (W)w, 1);	1616	ev_start (EV_A_ (W)w, 1);
1506	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1617	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1507	}	1618	}
1508		1619
1509	void	1620	void
1510	ev_child_stop (EV_P_ struct ev_child *w)	1621	ev_child_stop (EV_P_ struct ev_child *w)
1511	{	1622	{
1512	ev_clear_pending (EV_A_ (W)w);	1623	ev_clear_pending (EV_A_ (W)w);
1513	if (ev_is_active (w))	1624	if (expect_false (!ev_is_active (w)))
1514	return;	1625	return;
1515		1626
1516	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1627	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1517	ev_stop (EV_A_ (W)w);	1628	ev_stop (EV_A_ (W)w);
1518	}	1629	}
…		…
1553	}	1664	}
1554		1665
1555	void	1666	void
1556	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1667	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1557	{	1668	{
1558	struct ev_once *once = ev_malloc (sizeof (struct ev_once));	1669	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1559		1670
1560	if (!once)	1671	if (expect_false (!once))
		1672	{
1561	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1673	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1562	else	1674	return;
1563	{	1675	}
		1676
1564	once->cb = cb;	1677	once->cb = cb;
1565	once->arg = arg;	1678	once->arg = arg;
1566		1679
1567	ev_watcher_init (&once->io, once_cb_io);	1680	ev_init (&once->io, once_cb_io);
1568	if (fd >= 0)	1681	if (fd >= 0)
1569	{	1682	{
1570	ev_io_set (&once->io, fd, events);	1683	ev_io_set (&once->io, fd, events);
1571	ev_io_start (EV_A_ &once->io);	1684	ev_io_start (EV_A_ &once->io);
1572	}	1685	}
1573		1686
1574	ev_watcher_init (&once->to, once_cb_to);	1687	ev_init (&once->to, once_cb_to);
1575	if (timeout >= 0.)	1688	if (timeout >= 0.)
1576	{	1689	{
1577	ev_timer_set (&once->to, timeout, 0.);	1690	ev_timer_set (&once->to, timeout, 0.);
1578	ev_timer_start (EV_A_ &once->to);	1691	ev_timer_start (EV_A_ &once->to);
1579	}
1580	}	1692	}
1581	}	1693	}
1582		1694
		1695	#ifdef __cplusplus
		1696	}
		1697	#endif
		1698

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing libev/ev.c (file contents): Revision 1.72 by root, Tue Nov 6 16:09:37 2007 UTC vs. Revision 1.127 by root, Sun Nov 18 02:17:57 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.72 by root, Tue Nov 6 16:09:37 2007 UTC vs.
Revision 1.127 by root, Sun Nov 18 02:17:57 2007 UTC