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

Comparing libev/ev.c (file contents):
Revision 1.71 by root, Tue Nov 6 13:17:55 2007 UTC vs.
Revision 1.132 by root, Fri Nov 23 10:36:30 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>
…		…
64	#include <assert.h>	104	#include <assert.h>
65	#include <errno.h>	105	#include <errno.h>
66	#include <sys/types.h>	106	#include <sys/types.h>
67	#include <time.h>	107	#include <time.h>
68		108
69	#ifndef PERL
70	# include <signal.h>	109	#include <signal.h>
71	#endif
72		110
73	#ifndef WIN32	111	#ifndef _WIN32
74	# include <unistd.h>	112	# include <unistd.h>
75	# include <sys/time.h>	113	# include <sys/time.h>
76	# 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
77	#endif	120	# endif
		121	#endif
		122
78	/**/	123	/**/
79		124
80	#ifndef EV_USE_MONOTONIC	125	#ifndef EV_USE_MONOTONIC
81	# 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
82	#endif	131	#endif
83		132
84	#ifndef EV_USE_SELECT	133	#ifndef EV_USE_SELECT
85	# define EV_USE_SELECT 1	134	# define EV_USE_SELECT 1
86	#endif	135	#endif
87		136
88	#ifndef EV_USE_POLL	137	#ifndef EV_USE_POLL
89	# 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
90	#endif	143	#endif
91		144
92	#ifndef EV_USE_EPOLL	145	#ifndef EV_USE_EPOLL
93	# define EV_USE_EPOLL 0	146	# define EV_USE_EPOLL 0
94	#endif	147	#endif
95		148
96	#ifndef EV_USE_KQUEUE	149	#ifndef EV_USE_KQUEUE
97	# define EV_USE_KQUEUE 0	150	# define EV_USE_KQUEUE 0
98	#endif	151	#endif
99		152
100	#ifndef EV_USE_WIN32
101	# ifdef WIN32
102	# define EV_USE_WIN32 0 /* it does not exist, use select */
103	# undef EV_USE_SELECT
104	# define EV_USE_SELECT 1
105	# else
106	# define EV_USE_WIN32 0
107	# endif
108	#endif
109
110	#ifndef EV_USE_REALTIME	153	#ifndef EV_USE_PORT
111	# define EV_USE_REALTIME 1	154	# define EV_USE_PORT 0
112	#endif	155	#endif
113		156
114	/**/	157	/**/
115		158
116	#ifndef CLOCK_MONOTONIC	159	#ifndef CLOCK_MONOTONIC
…		…
121	#ifndef CLOCK_REALTIME	164	#ifndef CLOCK_REALTIME
122	# undef EV_USE_REALTIME	165	# undef EV_USE_REALTIME
123	# define EV_USE_REALTIME 0	166	# define EV_USE_REALTIME 0
124	#endif	167	#endif
125		168
		169	#if EV_SELECT_IS_WINSOCKET
		170	# include <winsock.h>
		171	#endif
		172
126	/**/	173	/**/
127		174
128	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	175	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
129	#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */	176	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
130	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */	177	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */
131	/#define CLEANUP_INTERVAL 300. / how often to try to free memory and re-check fds */	178	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds */
132		179
		180	#ifdef EV_H
		181	# include EV_H
		182	#else
133	#include "ev.h"	183	# include "ev.h"
		184	#endif
134		185
135	#if __GNUC__ >= 3	186	#if __GNUC__ >= 3
136	# define expect(expr,value) __builtin_expect ((expr),(value))	187	# define expect(expr,value) __builtin_expect ((expr),(value))
137	# define inline inline	188	# define inline static inline
138	#else	189	#else
139	# define expect(expr,value) (expr)	190	# define expect(expr,value) (expr)
140	# define inline static	191	# define inline static
141	#endif	192	#endif
142		193
…		…
144	#define expect_true(expr) expect ((expr) != 0, 1)	195	#define expect_true(expr) expect ((expr) != 0, 1)
145		196
146	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	197	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
147	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	198	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
148		199
		200	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
		201	#define EMPTY2(a,b) /* used to suppress some warnings */
		202
149	typedef struct ev_watcher *W;	203	typedef struct ev_watcher *W;
150	typedef struct ev_watcher_list *WL;	204	typedef struct ev_watcher_list *WL;
151	typedef struct ev_watcher_time *WT;	205	typedef struct ev_watcher_time *WT;
152		206
153	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	207	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
154		208
155	#if WIN32	209	#ifdef _WIN32
156	/* note: the comment below could not be substantiated, but what would I care */	210	# include "ev_win32.c"
157	/* MSDN says this is required to handle SIGFPE */
158	volatile double SIGFPE_REQ = 0.0f;
159	#endif	211	#endif
160		212
161	/*****************************************************************************/	213	/*****************************************************************************/
162		214
163	static void (syserr_cb)(const char msg);	215	static void (syserr_cb)(const char msg);
…		…
211	typedef struct	263	typedef struct
212	{	264	{
213	WL head;	265	WL head;
214	unsigned char events;	266	unsigned char events;
215	unsigned char reify;	267	unsigned char reify;
		268	#if EV_SELECT_IS_WINSOCKET
		269	SOCKET handle;
		270	#endif
216	} ANFD;	271	} ANFD;
217		272
218	typedef struct	273	typedef struct
219	{	274	{
220	W w;	275	W w;
221	int events;	276	int events;
222	} ANPENDING;	277	} ANPENDING;
223		278
224	#if EV_MULTIPLICITY	279	#if EV_MULTIPLICITY
225		280
226	struct ev_loop	281	struct ev_loop
227	{	282	{
		283	ev_tstamp ev_rt_now;
		284	#define ev_rt_now ((loop)->ev_rt_now)
228	# define VAR(name,decl) decl;	285	#define VAR(name,decl) decl;
229	# include "ev_vars.h"	286	#include "ev_vars.h"
230	};
231	# undef VAR	287	#undef VAR
		288	};
232	# include "ev_wrap.h"	289	#include "ev_wrap.h"
		290
		291	static struct ev_loop default_loop_struct;
		292	struct ev_loop *ev_default_loop_ptr;
233		293
234	#else	294	#else
235		295
		296	ev_tstamp ev_rt_now;
236	# define VAR(name,decl) static decl;	297	#define VAR(name,decl) static decl;
237	# include "ev_vars.h"	298	#include "ev_vars.h"
238	# undef VAR	299	#undef VAR
		300
		301	static int ev_default_loop_ptr;
239		302
240	#endif	303	#endif
241		304
242	/*****************************************************************************/	305	/*****************************************************************************/
243		306
244	inline ev_tstamp	307	ev_tstamp
245	ev_time (void)	308	ev_time (void)
246	{	309	{
247	#if EV_USE_REALTIME	310	#if EV_USE_REALTIME
248	struct timespec ts;	311	struct timespec ts;
249	clock_gettime (CLOCK_REALTIME, &ts);	312	clock_gettime (CLOCK_REALTIME, &ts);
…		…
268	#endif	331	#endif
269		332
270	return ev_time ();	333	return ev_time ();
271	}	334	}
272		335
		336	#if EV_MULTIPLICITY
273	ev_tstamp	337	ev_tstamp
274	ev_now (EV_P)	338	ev_now (EV_P)
275	{	339	{
276	return rt_now;	340	return ev_rt_now;
277	}	341	}
		342	#endif
278		343
279	#define array_roundsize(base,n) ((n) \| 4 & ~3)	344	#define array_roundsize(type,n) (((n) \| 4) & ~3)
280		345
281	#define array_needsize(base,cur,cnt,init) \	346	#define array_needsize(type,base,cur,cnt,init) \
282	if (expect_false ((cnt) > cur)) \	347	if (expect_false ((cnt) > cur)) \
283	{ \	348	{ \
284	int newcnt = cur; \	349	int newcnt = cur; \
285	do \	350	do \
286	{ \	351	{ \
287	newcnt = array_roundsize (base, newcnt << 1); \	352	newcnt = array_roundsize (type, newcnt << 1); \
288	} \	353	} \
289	while ((cnt) > newcnt); \	354	while ((cnt) > newcnt); \
290	\	355	\
291	base = ev_realloc (base, sizeof (base) (newcnt)); \	356	base = (type )ev_realloc (base, sizeof (type) (newcnt));\
292	init (base + cur, newcnt - cur); \	357	init (base + cur, newcnt - cur); \
293	cur = newcnt; \	358	cur = newcnt; \
294	}	359	}
295		360
296	#define array_slim(stem) \	361	#define array_slim(type,stem) \
297	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	362	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
298	{ \	363	{ \
299	stem ## max = array_roundsize (stem ## cnt >> 1); \	364	stem ## max = array_roundsize (stem ## cnt >> 1); \
300	base = ev_realloc (base, sizeof (base) (stem ## max)); \	365	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
301	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\	366	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
302	}	367	}
303
304	/* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */
305	/* bringing us everlasting joy in form of stupid extra macros that are not required in C */
306	#define array_free_microshit(stem) \
307	ev_free (stem ## s); stem ## cnt = stem ## max = 0;
308		368
309	#define array_free(stem, idx) \	369	#define array_free(stem, idx) \
310	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;	370	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
311		371
312	/*****************************************************************************/	372	/*****************************************************************************/
…		…
322		382
323	++base;	383	++base;
324	}	384	}
325	}	385	}
326		386
327	static void	387	void
328	event (EV_P_ W w, int events)	388	ev_feed_event (EV_P_ void *w, int revents)
329	{	389	{
330	if (w->pending)	390	W w_ = (W)w;
		391
		392	if (expect_false (w_->pending))
331	{	393	{
332	pendings [ABSPRI (w)][w->pending - 1].events \|= events;	394	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
333	return;	395	return;
334	}	396	}
335		397
336	w->pending = ++pendingcnt [ABSPRI (w)];	398	w_->pending = ++pendingcnt [ABSPRI (w_)];
337	array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], (void));	399	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
338	pendings [ABSPRI (w)][w->pending - 1].w = w;	400	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
339	pendings [ABSPRI (w)][w->pending - 1].events = events;	401	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
340	}	402	}
341		403
342	static void	404	static void
343	queue_events (EV_P_ W *events, int eventcnt, int type)	405	queue_events (EV_P_ W *events, int eventcnt, int type)
344	{	406	{
345	int i;	407	int i;
346		408
347	for (i = 0; i < eventcnt; ++i)	409	for (i = 0; i < eventcnt; ++i)
348	event (EV_A_ events [i], type);	410	ev_feed_event (EV_A_ events [i], type);
349	}	411	}
350		412
351	static void	413	inline void
352	fd_event (EV_P_ int fd, int events)	414	fd_event (EV_P_ int fd, int revents)
353	{	415	{
354	ANFD *anfd = anfds + fd;	416	ANFD *anfd = anfds + fd;
355	struct ev_io *w;	417	struct ev_io *w;
356		418
357	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	419	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
358	{	420	{
359	int ev = w->events & events;	421	int ev = w->events & revents;
360		422
361	if (ev)	423	if (ev)
362	event (EV_A_ (W)w, ev);	424	ev_feed_event (EV_A_ (W)w, ev);
363	}	425	}
		426	}
		427
		428	void
		429	ev_feed_fd_event (EV_P_ int fd, int revents)
		430	{
		431	fd_event (EV_A_ fd, revents);
364	}	432	}
365		433
366	/*****************************************************************************/	434	/*****************************************************************************/
367		435
368	static void	436	inline void
369	fd_reify (EV_P)	437	fd_reify (EV_P)
370	{	438	{
371	int i;	439	int i;
372		440
373	for (i = 0; i < fdchangecnt; ++i)	441	for (i = 0; i < fdchangecnt; ++i)
…		…
379	int events = 0;	447	int events = 0;
380		448
381	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	449	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
382	events \|= w->events;	450	events \|= w->events;
383		451
		452	#if EV_SELECT_IS_WINSOCKET
		453	if (events)
		454	{
		455	unsigned long argp;
		456	anfd->handle = _get_osfhandle (fd);
		457	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
		458	}
		459	#endif
		460
384	anfd->reify = 0;	461	anfd->reify = 0;
385		462
386	method_modify (EV_A_ fd, anfd->events, events);	463	backend_modify (EV_A_ fd, anfd->events, events);
387	anfd->events = events;	464	anfd->events = events;
388	}	465	}
389		466
390	fdchangecnt = 0;	467	fdchangecnt = 0;
391	}	468	}
392		469
393	static void	470	static void
394	fd_change (EV_P_ int fd)	471	fd_change (EV_P_ int fd)
395	{	472	{
396	if (anfds [fd].reify)	473	if (expect_false (anfds [fd].reify))
397	return;	474	return;
398		475
399	anfds [fd].reify = 1;	476	anfds [fd].reify = 1;
400		477
401	++fdchangecnt;	478	++fdchangecnt;
402	array_needsize (fdchanges, fdchangemax, fdchangecnt, (void));	479	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
403	fdchanges [fdchangecnt - 1] = fd;	480	fdchanges [fdchangecnt - 1] = fd;
404	}	481	}
405		482
406	static void	483	static void
407	fd_kill (EV_P_ int fd)	484	fd_kill (EV_P_ int fd)
…		…
409	struct ev_io *w;	486	struct ev_io *w;
410		487
411	while ((w = (struct ev_io *)anfds [fd].head))	488	while ((w = (struct ev_io *)anfds [fd].head))
412	{	489	{
413	ev_io_stop (EV_A_ w);	490	ev_io_stop (EV_A_ w);
414	event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	491	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
415	}	492	}
416	}	493	}
417		494
418	static int	495	inline int
419	fd_valid (int fd)	496	fd_valid (int fd)
420	{	497	{
421	#ifdef WIN32	498	#ifdef _WIN32
422	return !!win32_get_osfhandle (fd);	499	return _get_osfhandle (fd) != -1;
423	#else	500	#else
424	return fcntl (fd, F_GETFD) != -1;	501	return fcntl (fd, F_GETFD) != -1;
425	#endif	502	#endif
426	}	503	}
427		504
…		…
449	fd_kill (EV_A_ fd);	526	fd_kill (EV_A_ fd);
450	return;	527	return;
451	}	528	}
452	}	529	}
453		530
454	/* usually called after fork if method needs to re-arm all fds from scratch */	531	/* usually called after fork if backend needs to re-arm all fds from scratch */
455	static void	532	static void
456	fd_rearm_all (EV_P)	533	fd_rearm_all (EV_P)
457	{	534	{
458	int fd;	535	int fd;
459		536
…		…
507		584
508	heap [k] = w;	585	heap [k] = w;
509	((W)heap [k])->active = k + 1;	586	((W)heap [k])->active = k + 1;
510	}	587	}
511		588
		589	inline void
		590	adjustheap (WT *heap, int N, int k)
		591	{
		592	upheap (heap, k);
		593	downheap (heap, N, k);
		594	}
		595
512	/*****************************************************************************/	596	/*****************************************************************************/
513		597
514	typedef struct	598	typedef struct
515	{	599	{
516	WL head;	600	WL head;
…		…
537	}	621	}
538		622
539	static void	623	static void
540	sighandler (int signum)	624	sighandler (int signum)
541	{	625	{
542	#if WIN32	626	#if _WIN32
543	signal (signum, sighandler);	627	signal (signum, sighandler);
544	#endif	628	#endif
545		629
546	signals [signum - 1].gotsig = 1;	630	signals [signum - 1].gotsig = 1;
547		631
…		…
552	write (sigpipe [1], &signum, 1);	636	write (sigpipe [1], &signum, 1);
553	errno = old_errno;	637	errno = old_errno;
554	}	638	}
555	}	639	}
556		640
		641	void
		642	ev_feed_signal_event (EV_P_ int signum)
		643	{
		644	WL w;
		645
		646	#if EV_MULTIPLICITY
		647	assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
		648	#endif
		649
		650	--signum;
		651
		652	if (signum < 0 \|\| signum >= signalmax)
		653	return;
		654
		655	signals [signum].gotsig = 0;
		656
		657	for (w = signals [signum].head; w; w = w->next)
		658	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
		659	}
		660
557	static void	661	static void
558	sigcb (EV_P_ struct ev_io *iow, int revents)	662	sigcb (EV_P_ struct ev_io *iow, int revents)
559	{	663	{
560	WL w;
561	int signum;	664	int signum;
562		665
563	read (sigpipe [0], &revents, 1);	666	read (sigpipe [0], &revents, 1);
564	gotsig = 0;	667	gotsig = 0;
565		668
566	for (signum = signalmax; signum--; )	669	for (signum = signalmax; signum--; )
567	if (signals [signum].gotsig)	670	if (signals [signum].gotsig)
568	{	671	ev_feed_signal_event (EV_A_ signum + 1);
569	signals [signum].gotsig = 0;	672	}
570		673
571	for (w = signals [signum].head; w; w = w->next)	674	static void
572	event (EV_A_ (W)w, EV_SIGNAL);	675	fd_intern (int fd)
573	}	676	{
		677	#ifdef _WIN32
		678	int arg = 1;
		679	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
		680	#else
		681	fcntl (fd, F_SETFD, FD_CLOEXEC);
		682	fcntl (fd, F_SETFL, O_NONBLOCK);
		683	#endif
574	}	684	}
575		685
576	static void	686	static void
577	siginit (EV_P)	687	siginit (EV_P)
578	{	688	{
579	#ifndef WIN32	689	fd_intern (sigpipe [0]);
580	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	690	fd_intern (sigpipe [1]);
581	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
582
583	/* rather than sort out wether we really need nb, set it */
584	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
585	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
586	#endif
587		691
588	ev_io_set (&sigev, sigpipe [0], EV_READ);	692	ev_io_set (&sigev, sigpipe [0], EV_READ);
589	ev_io_start (EV_A_ &sigev);	693	ev_io_start (EV_A_ &sigev);
590	ev_unref (EV_A); /* child watcher should not keep loop alive */	694	ev_unref (EV_A); /* child watcher should not keep loop alive */
591	}	695	}
592		696
593	/*****************************************************************************/	697	/*****************************************************************************/
594		698
595	static struct ev_child *childs [PID_HASHSIZE];	699	static struct ev_child *childs [PID_HASHSIZE];
596		700
597	#ifndef WIN32	701	#ifndef _WIN32
598		702
599	static struct ev_signal childev;	703	static struct ev_signal childev;
600		704
601	#ifndef WCONTINUED	705	#ifndef WCONTINUED
602	# define WCONTINUED 0	706	# define WCONTINUED 0
…		…
611	if (w->pid == pid \|\| !w->pid)	715	if (w->pid == pid \|\| !w->pid)
612	{	716	{
613	ev_priority (w) = ev_priority (sw); /* need to do it now */	717	ev_priority (w) = ev_priority (sw); /* need to do it now */
614	w->rpid = pid;	718	w->rpid = pid;
615	w->rstatus = status;	719	w->rstatus = status;
616	event (EV_A_ (W)w, EV_CHILD);	720	ev_feed_event (EV_A_ (W)w, EV_CHILD);
617	}	721	}
618	}	722	}
619		723
620	static void	724	static void
621	childcb (EV_P_ struct ev_signal *sw, int revents)	725	childcb (EV_P_ struct ev_signal *sw, int revents)
…		…
623	int pid, status;	727	int pid, status;
624		728
625	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))	729	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
626	{	730	{
627	/* make sure we are called again until all childs have been reaped */	731	/* make sure we are called again until all childs have been reaped */
		732	/* we need to do it this way so that the callback gets called before we continue */
628	event (EV_A_ (W)sw, EV_SIGNAL);	733	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
629		734
630	child_reap (EV_A_ sw, pid, pid, status);	735	child_reap (EV_A_ sw, pid, pid, status);
631	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */	736	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
632	}	737	}
633	}	738	}
634		739
635	#endif	740	#endif
636		741
637	/*****************************************************************************/	742	/*****************************************************************************/
638		743
		744	#if EV_USE_PORT
		745	# include "ev_port.c"
		746	#endif
639	#if EV_USE_KQUEUE	747	#if EV_USE_KQUEUE
640	# include "ev_kqueue.c"	748	# include "ev_kqueue.c"
641	#endif	749	#endif
642	#if EV_USE_EPOLL	750	#if EV_USE_EPOLL
643	# include "ev_epoll.c"	751	# include "ev_epoll.c"
…		…
663		771
664	/* return true if we are running with elevated privileges and should ignore env variables */	772	/* return true if we are running with elevated privileges and should ignore env variables */
665	static int	773	static int
666	enable_secure (void)	774	enable_secure (void)
667	{	775	{
668	#ifdef WIN32	776	#ifdef _WIN32
669	return 0;	777	return 0;
670	#else	778	#else
671	return getuid () != geteuid ()	779	return getuid () != geteuid ()
672	\|\| getgid () != getegid ();	780	\|\| getgid () != getegid ();
673	#endif	781	#endif
674	}	782	}
675		783
676	int	784	unsigned int
677	ev_method (EV_P)	785	ev_supported_backends (void)
678	{	786	{
679	return method;	787	unsigned int flags = 0;
680	}
681		788
682	static void	789	if (EV_USE_PORT ) flags \|= EVBACKEND_PORT;
683	loop_init (EV_P_ int methods)	790	if (EV_USE_KQUEUE) flags \|= EVBACKEND_KQUEUE;
		791	if (EV_USE_EPOLL ) flags \|= EVBACKEND_EPOLL;
		792	if (EV_USE_POLL ) flags \|= EVBACKEND_POLL;
		793	if (EV_USE_SELECT) flags \|= EVBACKEND_SELECT;
		794
		795	return flags;
		796	}
		797
		798	unsigned int
		799	ev_recommended_backends (void)
684	{	800	{
685	if (!method)	801	unsigned int flags = ev_supported_backends ();
		802
		803	#ifndef __NetBSD__
		804	/* kqueue is borked on everything but netbsd apparently */
		805	/* it usually doesn't work correctly on anything but sockets and pipes */
		806	flags &= ~EVBACKEND_KQUEUE;
		807	#endif
		808	#ifdef __APPLE__
		809	// flags &= ~EVBACKEND_KQUEUE; for documentation
		810	flags &= ~EVBACKEND_POLL;
		811	#endif
		812
		813	return flags;
		814	}
		815
		816	unsigned int
		817	ev_backend (EV_P)
		818	{
		819	return backend;
		820	}
		821
		822	static void
		823	loop_init (EV_P_ unsigned int flags)
		824	{
		825	if (!backend)
686	{	826	{
687	#if EV_USE_MONOTONIC	827	#if EV_USE_MONOTONIC
688	{	828	{
689	struct timespec ts;	829	struct timespec ts;
690	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	830	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
691	have_monotonic = 1;	831	have_monotonic = 1;
692	}	832	}
693	#endif	833	#endif
694		834
695	rt_now = ev_time ();	835	ev_rt_now = ev_time ();
696	mn_now = get_clock ();	836	mn_now = get_clock ();
697	now_floor = mn_now;	837	now_floor = mn_now;
698	rtmn_diff = rt_now - mn_now;	838	rtmn_diff = ev_rt_now - mn_now;
699		839
700	if (methods == EVMETHOD_AUTO)	840	if (!(flags & EVFLAG_NOENV)
701	if (!enable_secure () && getenv ("LIBEV_METHODS"))	841	&& !enable_secure ()
		842	&& getenv ("LIBEV_FLAGS"))
702	methods = atoi (getenv ("LIBEV_METHODS"));	843	flags = atoi (getenv ("LIBEV_FLAGS"));
703	else
704	methods = EVMETHOD_ANY;
705		844
706	method = 0;	845	if (!(flags & 0x0000ffffUL))
707	#if EV_USE_WIN32	846	flags \|= ev_recommended_backends ();
708	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);	847
		848	backend = 0;
		849	#if EV_USE_PORT
		850	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
709	#endif	851	#endif
710	#if EV_USE_KQUEUE	852	#if EV_USE_KQUEUE
711	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	853	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
712	#endif	854	#endif
713	#if EV_USE_EPOLL	855	#if EV_USE_EPOLL
714	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	856	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
715	#endif	857	#endif
716	#if EV_USE_POLL	858	#if EV_USE_POLL
717	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	859	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
718	#endif	860	#endif
719	#if EV_USE_SELECT	861	#if EV_USE_SELECT
720	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	862	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
721	#endif	863	#endif
722		864
723	ev_watcher_init (&sigev, sigcb);	865	ev_init (&sigev, sigcb);
724	ev_set_priority (&sigev, EV_MAXPRI);	866	ev_set_priority (&sigev, EV_MAXPRI);
725	}	867	}
726	}	868	}
727		869
728	void	870	static void
729	loop_destroy (EV_P)	871	loop_destroy (EV_P)
730	{	872	{
731	int i;	873	int i;
732		874
733	#if EV_USE_WIN32	875	#if EV_USE_PORT
734	if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);	876	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
735	#endif	877	#endif
736	#if EV_USE_KQUEUE	878	#if EV_USE_KQUEUE
737	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);	879	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
738	#endif	880	#endif
739	#if EV_USE_EPOLL	881	#if EV_USE_EPOLL
740	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);	882	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
741	#endif	883	#endif
742	#if EV_USE_POLL	884	#if EV_USE_POLL
743	if (method == EVMETHOD_POLL ) poll_destroy (EV_A);	885	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
744	#endif	886	#endif
745	#if EV_USE_SELECT	887	#if EV_USE_SELECT
746	if (method == EVMETHOD_SELECT) select_destroy (EV_A);	888	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);
747	#endif	889	#endif
748		890
749	for (i = NUMPRI; i--; )	891	for (i = NUMPRI; i--; )
750	array_free (pending, [i]);	892	array_free (pending, [i]);
751		893
752	/* have to use the microsoft-never-gets-it-right macro */	894	/* have to use the microsoft-never-gets-it-right macro */
753	array_free_microshit (fdchange);	895	array_free (fdchange, EMPTY0);
754	array_free_microshit (timer);	896	array_free (timer, EMPTY0);
755	array_free_microshit (periodic);	897	#if EV_PERIODICS
756	array_free_microshit (idle);	898	array_free (periodic, EMPTY0);
757	array_free_microshit (prepare);	899	#endif
758	array_free_microshit (check);	900	array_free (idle, EMPTY0);
		901	array_free (prepare, EMPTY0);
		902	array_free (check, EMPTY0);
759		903
760	method = 0;	904	backend = 0;
761	}	905	}
762		906
763	static void	907	static void
764	loop_fork (EV_P)	908	loop_fork (EV_P)
765	{	909	{
		910	#if EV_USE_PORT
		911	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
		912	#endif
		913	#if EV_USE_KQUEUE
		914	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);
		915	#endif
766	#if EV_USE_EPOLL	916	#if EV_USE_EPOLL
767	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);	917	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
768	#endif
769	#if EV_USE_KQUEUE
770	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
771	#endif	918	#endif
772		919
773	if (ev_is_active (&sigev))	920	if (ev_is_active (&sigev))
774	{	921	{
775	/* default loop */	922	/* default loop */
…		…
788	postfork = 0;	935	postfork = 0;
789	}	936	}
790		937
791	#if EV_MULTIPLICITY	938	#if EV_MULTIPLICITY
792	struct ev_loop *	939	struct ev_loop *
793	ev_loop_new (int methods)	940	ev_loop_new (unsigned int flags)
794	{	941	{
795	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));	942	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
796		943
797	memset (loop, 0, sizeof (struct ev_loop));	944	memset (loop, 0, sizeof (struct ev_loop));
798		945
799	loop_init (EV_A_ methods);	946	loop_init (EV_A_ flags);
800		947
801	if (ev_method (EV_A))	948	if (ev_backend (EV_A))
802	return loop;	949	return loop;
803		950
804	return 0;	951	return 0;
805	}	952	}
806		953
…		…
818	}	965	}
819		966
820	#endif	967	#endif
821		968
822	#if EV_MULTIPLICITY	969	#if EV_MULTIPLICITY
823	struct ev_loop default_loop_struct;
824	static struct ev_loop *default_loop;
825
826	struct ev_loop *	970	struct ev_loop *
		971	ev_default_loop_init (unsigned int flags)
827	#else	972	#else
828	static int default_loop;
829
830	int	973	int
		974	ev_default_loop (unsigned int flags)
831	#endif	975	#endif
832	ev_default_loop (int methods)
833	{	976	{
834	if (sigpipe [0] == sigpipe [1])	977	if (sigpipe [0] == sigpipe [1])
835	if (pipe (sigpipe))	978	if (pipe (sigpipe))
836	return 0;	979	return 0;
837		980
838	if (!default_loop)	981	if (!ev_default_loop_ptr)
839	{	982	{
840	#if EV_MULTIPLICITY	983	#if EV_MULTIPLICITY
841	struct ev_loop *loop = default_loop = &default_loop_struct;	984	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
842	#else	985	#else
843	default_loop = 1;	986	ev_default_loop_ptr = 1;
844	#endif	987	#endif
845		988
846	loop_init (EV_A_ methods);	989	loop_init (EV_A_ flags);
847		990
848	if (ev_method (EV_A))	991	if (ev_backend (EV_A))
849	{	992	{
850	siginit (EV_A);	993	siginit (EV_A);
851		994
852	#ifndef WIN32	995	#ifndef _WIN32
853	ev_signal_init (&childev, childcb, SIGCHLD);	996	ev_signal_init (&childev, childcb, SIGCHLD);
854	ev_set_priority (&childev, EV_MAXPRI);	997	ev_set_priority (&childev, EV_MAXPRI);
855	ev_signal_start (EV_A_ &childev);	998	ev_signal_start (EV_A_ &childev);
856	ev_unref (EV_A); /* child watcher should not keep loop alive */	999	ev_unref (EV_A); /* child watcher should not keep loop alive */
857	#endif	1000	#endif
858	}	1001	}
859	else	1002	else
860	default_loop = 0;	1003	ev_default_loop_ptr = 0;
861	}	1004	}
862		1005
863	return default_loop;	1006	return ev_default_loop_ptr;
864	}	1007	}
865		1008
866	void	1009	void
867	ev_default_destroy (void)	1010	ev_default_destroy (void)
868	{	1011	{
869	#if EV_MULTIPLICITY	1012	#if EV_MULTIPLICITY
870	struct ev_loop *loop = default_loop;	1013	struct ev_loop *loop = ev_default_loop_ptr;
871	#endif	1014	#endif
872		1015
873	#ifndef WIN32	1016	#ifndef _WIN32
874	ev_ref (EV_A); /* child watcher */	1017	ev_ref (EV_A); /* child watcher */
875	ev_signal_stop (EV_A_ &childev);	1018	ev_signal_stop (EV_A_ &childev);
876	#endif	1019	#endif
877		1020
878	ev_ref (EV_A); /* signal watcher */	1021	ev_ref (EV_A); /* signal watcher */
…		…
886		1029
887	void	1030	void
888	ev_default_fork (void)	1031	ev_default_fork (void)
889	{	1032	{
890	#if EV_MULTIPLICITY	1033	#if EV_MULTIPLICITY
891	struct ev_loop *loop = default_loop;	1034	struct ev_loop *loop = ev_default_loop_ptr;
892	#endif	1035	#endif
893		1036
894	if (method)	1037	if (backend)
895	postfork = 1;	1038	postfork = 1;
896	}	1039	}
897		1040
898	/*****************************************************************************/	1041	/*****************************************************************************/
899		1042
900	static void	1043	static int
		1044	any_pending (EV_P)
		1045	{
		1046	int pri;
		1047
		1048	for (pri = NUMPRI; pri--; )
		1049	if (pendingcnt [pri])
		1050	return 1;
		1051
		1052	return 0;
		1053	}
		1054
		1055	inline void
901	call_pending (EV_P)	1056	call_pending (EV_P)
902	{	1057	{
903	int pri;	1058	int pri;
904		1059
905	for (pri = NUMPRI; pri--; )	1060	for (pri = NUMPRI; pri--; )
906	while (pendingcnt [pri])	1061	while (pendingcnt [pri])
907	{	1062	{
908	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1063	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
909		1064
910	if (p->w)	1065	if (expect_true (p->w))
911	{	1066	{
912	p->w->pending = 0;	1067	p->w->pending = 0;
913	p->w->cb (EV_A_ p->w, p->events);	1068	EV_CB_INVOKE (p->w, p->events);
914	}	1069	}
915	}	1070	}
916	}	1071	}
917		1072
918	static void	1073	inline void
919	timers_reify (EV_P)	1074	timers_reify (EV_P)
920	{	1075	{
921	while (timercnt && ((WT)timers [0])->at <= mn_now)	1076	while (timercnt && ((WT)timers [0])->at <= mn_now)
922	{	1077	{
923	struct ev_timer *w = timers [0];	1078	struct ev_timer *w = timers [0];
…		…
926		1081
927	/* first reschedule or stop timer */	1082	/* first reschedule or stop timer */
928	if (w->repeat)	1083	if (w->repeat)
929	{	1084	{
930	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1085	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
		1086
931	((WT)w)->at = mn_now + w->repeat;	1087	((WT)w)->at += w->repeat;
		1088	if (((WT)w)->at < mn_now)
		1089	((WT)w)->at = mn_now;
		1090
932	downheap ((WT *)timers, timercnt, 0);	1091	downheap ((WT *)timers, timercnt, 0);
933	}	1092	}
934	else	1093	else
935	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1094	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
936		1095
937	event (EV_A_ (W)w, EV_TIMEOUT);	1096	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
938	}	1097	}
939	}	1098	}
940		1099
941	static void	1100	#if EV_PERIODICS
		1101	inline void
942	periodics_reify (EV_P)	1102	periodics_reify (EV_P)
943	{	1103	{
944	while (periodiccnt && ((WT)periodics [0])->at <= rt_now)	1104	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
945	{	1105	{
946	struct ev_periodic *w = periodics [0];	1106	struct ev_periodic *w = periodics [0];
947		1107
948	assert (("inactive timer on periodic heap detected", ev_is_active (w)));	1108	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
949		1109
950	/* first reschedule or stop timer */	1110	/* first reschedule or stop timer */
951	if (w->interval)	1111	if (w->reschedule_cb)
952	{	1112	{
		1113	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
		1114	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
		1115	downheap ((WT *)periodics, periodiccnt, 0);
		1116	}
		1117	else if (w->interval)
		1118	{
953	((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;	1119	((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
954	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now));	1120	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
955	downheap ((WT *)periodics, periodiccnt, 0);	1121	downheap ((WT *)periodics, periodiccnt, 0);
956	}	1122	}
957	else	1123	else
958	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1124	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
959		1125
960	event (EV_A_ (W)w, EV_PERIODIC);	1126	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
961	}	1127	}
962	}	1128	}
963		1129
964	static void	1130	static void
965	periodics_reschedule (EV_P)	1131	periodics_reschedule (EV_P)
…		…
969	/* adjust periodics after time jump */	1135	/* adjust periodics after time jump */
970	for (i = 0; i < periodiccnt; ++i)	1136	for (i = 0; i < periodiccnt; ++i)
971	{	1137	{
972	struct ev_periodic *w = periodics [i];	1138	struct ev_periodic *w = periodics [i];
973		1139
		1140	if (w->reschedule_cb)
		1141	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
974	if (w->interval)	1142	else if (w->interval)
975	{
976	ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;	1143	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
977
978	if (fabs (diff) >= 1e-4)
979	{
980	ev_periodic_stop (EV_A_ w);
981	ev_periodic_start (EV_A_ w);
982
983	i = 0; /* restart loop, inefficient, but time jumps should be rare */
984	}
985	}
986	}	1144	}
		1145
		1146	/* now rebuild the heap */
		1147	for (i = periodiccnt >> 1; i--; )
		1148	downheap ((WT *)periodics, periodiccnt, i);
987	}	1149	}
		1150	#endif
988		1151
989	inline int	1152	inline int
990	time_update_monotonic (EV_P)	1153	time_update_monotonic (EV_P)
991	{	1154	{
992	mn_now = get_clock ();	1155	mn_now = get_clock ();
993		1156
994	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1157	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
995	{	1158	{
996	rt_now = rtmn_diff + mn_now;	1159	ev_rt_now = rtmn_diff + mn_now;
997	return 0;	1160	return 0;
998	}	1161	}
999	else	1162	else
1000	{	1163	{
1001	now_floor = mn_now;	1164	now_floor = mn_now;
1002	rt_now = ev_time ();	1165	ev_rt_now = ev_time ();
1003	return 1;	1166	return 1;
1004	}	1167	}
1005	}	1168	}
1006		1169
1007	static void	1170	inline void
1008	time_update (EV_P)	1171	time_update (EV_P)
1009	{	1172	{
1010	int i;	1173	int i;
1011		1174
1012	#if EV_USE_MONOTONIC	1175	#if EV_USE_MONOTONIC
…		…
1016	{	1179	{
1017	ev_tstamp odiff = rtmn_diff;	1180	ev_tstamp odiff = rtmn_diff;
1018		1181
1019	for (i = 4; --i; ) /* loop a few times, before making important decisions */	1182	for (i = 4; --i; ) /* loop a few times, before making important decisions */
1020	{	1183	{
1021	rtmn_diff = rt_now - mn_now;	1184	rtmn_diff = ev_rt_now - mn_now;
1022		1185
1023	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1186	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
1024	return; /* all is well */	1187	return; /* all is well */
1025		1188
1026	rt_now = ev_time ();	1189	ev_rt_now = ev_time ();
1027	mn_now = get_clock ();	1190	mn_now = get_clock ();
1028	now_floor = mn_now;	1191	now_floor = mn_now;
1029	}	1192	}
1030		1193
		1194	# if EV_PERIODICS
1031	periodics_reschedule (EV_A);	1195	periodics_reschedule (EV_A);
		1196	# endif
1032	/* no timer adjustment, as the monotonic clock doesn't jump */	1197	/* no timer adjustment, as the monotonic clock doesn't jump */
1033	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */	1198	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1034	}	1199	}
1035	}	1200	}
1036	else	1201	else
1037	#endif	1202	#endif
1038	{	1203	{
1039	rt_now = ev_time ();	1204	ev_rt_now = ev_time ();
1040		1205
1041	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1206	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
1042	{	1207	{
		1208	#if EV_PERIODICS
1043	periodics_reschedule (EV_A);	1209	periodics_reschedule (EV_A);
		1210	#endif
1044		1211
1045	/* adjust timers. this is easy, as the offset is the same for all */	1212	/* adjust timers. this is easy, as the offset is the same for all */
1046	for (i = 0; i < timercnt; ++i)	1213	for (i = 0; i < timercnt; ++i)
1047	((WT)timers [i])->at += rt_now - mn_now;	1214	((WT)timers [i])->at += ev_rt_now - mn_now;
1048	}	1215	}
1049		1216
1050	mn_now = rt_now;	1217	mn_now = ev_rt_now;
1051	}	1218	}
1052	}	1219	}
1053		1220
1054	void	1221	void
1055	ev_ref (EV_P)	1222	ev_ref (EV_P)
…		…
1069	ev_loop (EV_P_ int flags)	1236	ev_loop (EV_P_ int flags)
1070	{	1237	{
1071	double block;	1238	double block;
1072	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1239	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
1073		1240
1074	do	1241	while (activecnt)
1075	{	1242	{
1076	/* queue check watchers (and execute them) */	1243	/* queue check watchers (and execute them) */
1077	if (expect_false (preparecnt))	1244	if (expect_false (preparecnt))
1078	{	1245	{
1079	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1246	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
…		…
1087	/* update fd-related kernel structures */	1254	/* update fd-related kernel structures */
1088	fd_reify (EV_A);	1255	fd_reify (EV_A);
1089		1256
1090	/* calculate blocking time */	1257	/* calculate blocking time */
1091		1258
1092	/* we only need this for !monotonic clockor timers, but as we basically	1259	/* we only need this for !monotonic clock or timers, but as we basically
1093	always have timers, we just calculate it always */	1260	always have timers, we just calculate it always */
1094	#if EV_USE_MONOTONIC	1261	#if EV_USE_MONOTONIC
1095	if (expect_true (have_monotonic))	1262	if (expect_true (have_monotonic))
1096	time_update_monotonic (EV_A);	1263	time_update_monotonic (EV_A);
1097	else	1264	else
1098	#endif	1265	#endif
1099	{	1266	{
1100	rt_now = ev_time ();	1267	ev_rt_now = ev_time ();
1101	mn_now = rt_now;	1268	mn_now = ev_rt_now;
1102	}	1269	}
1103		1270
1104	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1271	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
1105	block = 0.;	1272	block = 0.;
1106	else	1273	else
1107	{	1274	{
1108	block = MAX_BLOCKTIME;	1275	block = MAX_BLOCKTIME;
1109		1276
1110	if (timercnt)	1277	if (timercnt)
1111	{	1278	{
1112	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;	1279	ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;
1113	if (block > to) block = to;	1280	if (block > to) block = to;
1114	}	1281	}
1115		1282
		1283	#if EV_PERIODICS
1116	if (periodiccnt)	1284	if (periodiccnt)
1117	{	1285	{
1118	ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;	1286	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge;
1119	if (block > to) block = to;	1287	if (block > to) block = to;
1120	}	1288	}
		1289	#endif
1121		1290
1122	if (block < 0.) block = 0.;	1291	if (expect_false (block < 0.)) block = 0.;
1123	}	1292	}
1124		1293
1125	method_poll (EV_A_ block);	1294	backend_poll (EV_A_ block);
1126		1295
1127	/* update rt_now, do magic */	1296	/* update ev_rt_now, do magic */
1128	time_update (EV_A);	1297	time_update (EV_A);
1129		1298
1130	/* queue pending timers and reschedule them */	1299	/* queue pending timers and reschedule them */
1131	timers_reify (EV_A); /* relative timers called last */	1300	timers_reify (EV_A); /* relative timers called last */
		1301	#if EV_PERIODICS
1132	periodics_reify (EV_A); /* absolute timers called first */	1302	periodics_reify (EV_A); /* absolute timers called first */
		1303	#endif
1133		1304
1134	/* queue idle watchers unless io or timers are pending */	1305	/* queue idle watchers unless io or timers are pending */
1135	if (!pendingcnt)	1306	if (idlecnt && !any_pending (EV_A))
1136	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1307	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
1137		1308
1138	/* queue check watchers, to be executed first */	1309	/* queue check watchers, to be executed first */
1139	if (checkcnt)	1310	if (expect_false (checkcnt))
1140	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1311	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1141		1312
1142	call_pending (EV_A);	1313	call_pending (EV_A);
		1314
		1315	if (expect_false (loop_done))
		1316	break;
1143	}	1317	}
1144	while (activecnt && !loop_done);
1145		1318
1146	if (loop_done != 2)	1319	if (loop_done != 2)
1147	loop_done = 0;	1320	loop_done = 0;
1148	}	1321	}
1149		1322
…		…
1209	void	1382	void
1210	ev_io_start (EV_P_ struct ev_io *w)	1383	ev_io_start (EV_P_ struct ev_io *w)
1211	{	1384	{
1212	int fd = w->fd;	1385	int fd = w->fd;
1213		1386
1214	if (ev_is_active (w))	1387	if (expect_false (ev_is_active (w)))
1215	return;	1388	return;
1216		1389
1217	assert (("ev_io_start called with negative fd", fd >= 0));	1390	assert (("ev_io_start called with negative fd", fd >= 0));
1218		1391
1219	ev_start (EV_A_ (W)w, 1);	1392	ev_start (EV_A_ (W)w, 1);
1220	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	1393	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1221	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1394	wlist_add ((WL *)&anfds[fd].head, (WL)w);
1222		1395
1223	fd_change (EV_A_ fd);	1396	fd_change (EV_A_ fd);
1224	}	1397	}
1225		1398
1226	void	1399	void
1227	ev_io_stop (EV_P_ struct ev_io *w)	1400	ev_io_stop (EV_P_ struct ev_io *w)
1228	{	1401	{
1229	ev_clear_pending (EV_A_ (W)w);	1402	ev_clear_pending (EV_A_ (W)w);
1230	if (!ev_is_active (w))	1403	if (expect_false (!ev_is_active (w)))
1231	return;	1404	return;
		1405
		1406	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1232		1407
1233	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1408	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
1234	ev_stop (EV_A_ (W)w);	1409	ev_stop (EV_A_ (W)w);
1235		1410
1236	fd_change (EV_A_ w->fd);	1411	fd_change (EV_A_ w->fd);
1237	}	1412	}
1238		1413
1239	void	1414	void
1240	ev_timer_start (EV_P_ struct ev_timer *w)	1415	ev_timer_start (EV_P_ struct ev_timer *w)
1241	{	1416	{
1242	if (ev_is_active (w))	1417	if (expect_false (ev_is_active (w)))
1243	return;	1418	return;
1244		1419
1245	((WT)w)->at += mn_now;	1420	((WT)w)->at += mn_now;
1246		1421
1247	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1422	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1248		1423
1249	ev_start (EV_A_ (W)w, ++timercnt);	1424	ev_start (EV_A_ (W)w, ++timercnt);
1250	array_needsize (timers, timermax, timercnt, (void));	1425	array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2);
1251	timers [timercnt - 1] = w;	1426	timers [timercnt - 1] = w;
1252	upheap ((WT *)timers, timercnt - 1);	1427	upheap ((WT *)timers, timercnt - 1);
1253		1428
1254	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1429	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1255	}	1430	}
1256		1431
1257	void	1432	void
1258	ev_timer_stop (EV_P_ struct ev_timer *w)	1433	ev_timer_stop (EV_P_ struct ev_timer *w)
1259	{	1434	{
1260	ev_clear_pending (EV_A_ (W)w);	1435	ev_clear_pending (EV_A_ (W)w);
1261	if (!ev_is_active (w))	1436	if (expect_false (!ev_is_active (w)))
1262	return;	1437	return;
1263		1438
1264	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1439	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1265		1440
1266	if (((W)w)->active < timercnt--)	1441	if (expect_true (((W)w)->active < timercnt--))
1267	{	1442	{
1268	timers [((W)w)->active - 1] = timers [timercnt];	1443	timers [((W)w)->active - 1] = timers [timercnt];
1269	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1444	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1270	}	1445	}
1271		1446
1272	((WT)w)->at = w->repeat;	1447	((WT)w)->at -= mn_now;
1273		1448
1274	ev_stop (EV_A_ (W)w);	1449	ev_stop (EV_A_ (W)w);
1275	}	1450	}
1276		1451
1277	void	1452	void
…		…
1280	if (ev_is_active (w))	1455	if (ev_is_active (w))
1281	{	1456	{
1282	if (w->repeat)	1457	if (w->repeat)
1283	{	1458	{
1284	((WT)w)->at = mn_now + w->repeat;	1459	((WT)w)->at = mn_now + w->repeat;
1285	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1460	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1286	}	1461	}
1287	else	1462	else
1288	ev_timer_stop (EV_A_ w);	1463	ev_timer_stop (EV_A_ w);
1289	}	1464	}
1290	else if (w->repeat)	1465	else if (w->repeat)
		1466	{
		1467	w->at = w->repeat;
1291	ev_timer_start (EV_A_ w);	1468	ev_timer_start (EV_A_ w);
		1469	}
1292	}	1470	}
1293		1471
		1472	#if EV_PERIODICS
1294	void	1473	void
1295	ev_periodic_start (EV_P_ struct ev_periodic *w)	1474	ev_periodic_start (EV_P_ struct ev_periodic *w)
1296	{	1475	{
1297	if (ev_is_active (w))	1476	if (expect_false (ev_is_active (w)))
1298	return;	1477	return;
1299		1478
		1479	if (w->reschedule_cb)
		1480	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
		1481	else if (w->interval)
		1482	{
1300	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1483	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1301
1302	/* this formula differs from the one in periodic_reify because we do not always round up */	1484	/* this formula differs from the one in periodic_reify because we do not always round up */
1303	if (w->interval)
1304	((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;	1485	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
		1486	}
1305		1487
1306	ev_start (EV_A_ (W)w, ++periodiccnt);	1488	ev_start (EV_A_ (W)w, ++periodiccnt);
1307	array_needsize (periodics, periodicmax, periodiccnt, (void));	1489	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1308	periodics [periodiccnt - 1] = w;	1490	periodics [periodiccnt - 1] = w;
1309	upheap ((WT *)periodics, periodiccnt - 1);	1491	upheap ((WT *)periodics, periodiccnt - 1);
1310		1492
1311	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1493	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1312	}	1494	}
1313		1495
1314	void	1496	void
1315	ev_periodic_stop (EV_P_ struct ev_periodic *w)	1497	ev_periodic_stop (EV_P_ struct ev_periodic *w)
1316	{	1498	{
1317	ev_clear_pending (EV_A_ (W)w);	1499	ev_clear_pending (EV_A_ (W)w);
1318	if (!ev_is_active (w))	1500	if (expect_false (!ev_is_active (w)))
1319	return;	1501	return;
1320		1502
1321	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1503	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1322		1504
1323	if (((W)w)->active < periodiccnt--)	1505	if (expect_true (((W)w)->active < periodiccnt--))
1324	{	1506	{
1325	periodics [((W)w)->active - 1] = periodics [periodiccnt];	1507	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1326	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);	1508	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1327	}	1509	}
1328		1510
1329	ev_stop (EV_A_ (W)w);	1511	ev_stop (EV_A_ (W)w);
1330	}	1512	}
1331		1513
1332	void	1514	void
		1515	ev_periodic_again (EV_P_ struct ev_periodic *w)
		1516	{
		1517	/* TODO: use adjustheap and recalculation */
		1518	ev_periodic_stop (EV_A_ w);
		1519	ev_periodic_start (EV_A_ w);
		1520	}
		1521	#endif
		1522
		1523	void
1333	ev_idle_start (EV_P_ struct ev_idle *w)	1524	ev_idle_start (EV_P_ struct ev_idle *w)
1334	{	1525	{
1335	if (ev_is_active (w))	1526	if (expect_false (ev_is_active (w)))
1336	return;	1527	return;
1337		1528
1338	ev_start (EV_A_ (W)w, ++idlecnt);	1529	ev_start (EV_A_ (W)w, ++idlecnt);
1339	array_needsize (idles, idlemax, idlecnt, (void));	1530	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1340	idles [idlecnt - 1] = w;	1531	idles [idlecnt - 1] = w;
1341	}	1532	}
1342		1533
1343	void	1534	void
1344	ev_idle_stop (EV_P_ struct ev_idle *w)	1535	ev_idle_stop (EV_P_ struct ev_idle *w)
1345	{	1536	{
1346	ev_clear_pending (EV_A_ (W)w);	1537	ev_clear_pending (EV_A_ (W)w);
1347	if (ev_is_active (w))	1538	if (expect_false (!ev_is_active (w)))
1348	return;	1539	return;
1349		1540
1350	idles [((W)w)->active - 1] = idles [--idlecnt];	1541	idles [((W)w)->active - 1] = idles [--idlecnt];
1351	ev_stop (EV_A_ (W)w);	1542	ev_stop (EV_A_ (W)w);
1352	}	1543	}
1353		1544
1354	void	1545	void
1355	ev_prepare_start (EV_P_ struct ev_prepare *w)	1546	ev_prepare_start (EV_P_ struct ev_prepare *w)
1356	{	1547	{
1357	if (ev_is_active (w))	1548	if (expect_false (ev_is_active (w)))
1358	return;	1549	return;
1359		1550
1360	ev_start (EV_A_ (W)w, ++preparecnt);	1551	ev_start (EV_A_ (W)w, ++preparecnt);
1361	array_needsize (prepares, preparemax, preparecnt, (void));	1552	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1362	prepares [preparecnt - 1] = w;	1553	prepares [preparecnt - 1] = w;
1363	}	1554	}
1364		1555
1365	void	1556	void
1366	ev_prepare_stop (EV_P_ struct ev_prepare *w)	1557	ev_prepare_stop (EV_P_ struct ev_prepare *w)
1367	{	1558	{
1368	ev_clear_pending (EV_A_ (W)w);	1559	ev_clear_pending (EV_A_ (W)w);
1369	if (ev_is_active (w))	1560	if (expect_false (!ev_is_active (w)))
1370	return;	1561	return;
1371		1562
1372	prepares [((W)w)->active - 1] = prepares [--preparecnt];	1563	prepares [((W)w)->active - 1] = prepares [--preparecnt];
1373	ev_stop (EV_A_ (W)w);	1564	ev_stop (EV_A_ (W)w);
1374	}	1565	}
1375		1566
1376	void	1567	void
1377	ev_check_start (EV_P_ struct ev_check *w)	1568	ev_check_start (EV_P_ struct ev_check *w)
1378	{	1569	{
1379	if (ev_is_active (w))	1570	if (expect_false (ev_is_active (w)))
1380	return;	1571	return;
1381		1572
1382	ev_start (EV_A_ (W)w, ++checkcnt);	1573	ev_start (EV_A_ (W)w, ++checkcnt);
1383	array_needsize (checks, checkmax, checkcnt, (void));	1574	array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2);
1384	checks [checkcnt - 1] = w;	1575	checks [checkcnt - 1] = w;
1385	}	1576	}
1386		1577
1387	void	1578	void
1388	ev_check_stop (EV_P_ struct ev_check *w)	1579	ev_check_stop (EV_P_ struct ev_check *w)
1389	{	1580	{
1390	ev_clear_pending (EV_A_ (W)w);	1581	ev_clear_pending (EV_A_ (W)w);
1391	if (ev_is_active (w))	1582	if (expect_false (!ev_is_active (w)))
1392	return;	1583	return;
1393		1584
1394	checks [((W)w)->active - 1] = checks [--checkcnt];	1585	checks [((W)w)->active - 1] = checks [--checkcnt];
1395	ev_stop (EV_A_ (W)w);	1586	ev_stop (EV_A_ (W)w);
1396	}	1587	}
…		…
1401		1592
1402	void	1593	void
1403	ev_signal_start (EV_P_ struct ev_signal *w)	1594	ev_signal_start (EV_P_ struct ev_signal *w)
1404	{	1595	{
1405	#if EV_MULTIPLICITY	1596	#if EV_MULTIPLICITY
1406	assert (("signal watchers are only supported in the default loop", loop == default_loop));	1597	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1407	#endif	1598	#endif
1408	if (ev_is_active (w))	1599	if (expect_false (ev_is_active (w)))
1409	return;	1600	return;
1410		1601
1411	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1602	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1412		1603
1413	ev_start (EV_A_ (W)w, 1);	1604	ev_start (EV_A_ (W)w, 1);
1414	array_needsize (signals, signalmax, w->signum, signals_init);	1605	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1415	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1606	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1416		1607
1417	if (!((WL)w)->next)	1608	if (!((WL)w)->next)
1418	{	1609	{
1419	#if WIN32	1610	#if _WIN32
1420	signal (w->signum, sighandler);	1611	signal (w->signum, sighandler);
1421	#else	1612	#else
1422	struct sigaction sa;	1613	struct sigaction sa;
1423	sa.sa_handler = sighandler;	1614	sa.sa_handler = sighandler;
1424	sigfillset (&sa.sa_mask);	1615	sigfillset (&sa.sa_mask);
…		…
1430		1621
1431	void	1622	void
1432	ev_signal_stop (EV_P_ struct ev_signal *w)	1623	ev_signal_stop (EV_P_ struct ev_signal *w)
1433	{	1624	{
1434	ev_clear_pending (EV_A_ (W)w);	1625	ev_clear_pending (EV_A_ (W)w);
1435	if (!ev_is_active (w))	1626	if (expect_false (!ev_is_active (w)))
1436	return;	1627	return;
1437		1628
1438	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1629	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1439	ev_stop (EV_A_ (W)w);	1630	ev_stop (EV_A_ (W)w);
1440		1631
…		…
1444		1635
1445	void	1636	void
1446	ev_child_start (EV_P_ struct ev_child *w)	1637	ev_child_start (EV_P_ struct ev_child *w)
1447	{	1638	{
1448	#if EV_MULTIPLICITY	1639	#if EV_MULTIPLICITY
1449	assert (("child watchers are only supported in the default loop", loop == default_loop));	1640	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1450	#endif	1641	#endif
1451	if (ev_is_active (w))	1642	if (expect_false (ev_is_active (w)))
1452	return;	1643	return;
1453		1644
1454	ev_start (EV_A_ (W)w, 1);	1645	ev_start (EV_A_ (W)w, 1);
1455	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1646	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1456	}	1647	}
1457		1648
1458	void	1649	void
1459	ev_child_stop (EV_P_ struct ev_child *w)	1650	ev_child_stop (EV_P_ struct ev_child *w)
1460	{	1651	{
1461	ev_clear_pending (EV_A_ (W)w);	1652	ev_clear_pending (EV_A_ (W)w);
1462	if (ev_is_active (w))	1653	if (expect_false (!ev_is_active (w)))
1463	return;	1654	return;
1464		1655
1465	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1656	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1466	ev_stop (EV_A_ (W)w);	1657	ev_stop (EV_A_ (W)w);
1467	}	1658	}
…		…
1502	}	1693	}
1503		1694
1504	void	1695	void
1505	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1696	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1506	{	1697	{
1507	struct ev_once *once = ev_malloc (sizeof (struct ev_once));	1698	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1508		1699
1509	if (!once)	1700	if (expect_false (!once))
		1701	{
1510	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1702	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1511	else	1703	return;
1512	{	1704	}
		1705
1513	once->cb = cb;	1706	once->cb = cb;
1514	once->arg = arg;	1707	once->arg = arg;
1515		1708
1516	ev_watcher_init (&once->io, once_cb_io);	1709	ev_init (&once->io, once_cb_io);
1517	if (fd >= 0)	1710	if (fd >= 0)
1518	{	1711	{
1519	ev_io_set (&once->io, fd, events);	1712	ev_io_set (&once->io, fd, events);
1520	ev_io_start (EV_A_ &once->io);	1713	ev_io_start (EV_A_ &once->io);
1521	}	1714	}
1522		1715
1523	ev_watcher_init (&once->to, once_cb_to);	1716	ev_init (&once->to, once_cb_to);
1524	if (timeout >= 0.)	1717	if (timeout >= 0.)
1525	{	1718	{
1526	ev_timer_set (&once->to, timeout, 0.);	1719	ev_timer_set (&once->to, timeout, 0.);
1527	ev_timer_start (EV_A_ &once->to);	1720	ev_timer_start (EV_A_ &once->to);
1528	}
1529	}	1721	}
1530	}	1722	}
1531		1723
		1724	#ifdef __cplusplus
		1725	}
		1726	#endif
		1727

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Comparing libev/ev.c (file contents): Revision 1.71 by root, Tue Nov 6 13:17:55 2007 UTC vs. Revision 1.132 by root, Fri Nov 23 10:36:30 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.71 by root, Tue Nov 6 13:17:55 2007 UTC vs.
Revision 1.132 by root, Fri Nov 23 10:36:30 2007 UTC