[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 1.133 by root, Fri Nov 23 11:32:22 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
		37	# ifdef EV_CONFIG_H
		38	# include EV_CONFIG_H
		39	# else
32	# include "config.h"	40	# include "config.h"
		41	# endif
33		42
34	# if HAVE_CLOCK_GETTIME	43	# if HAVE_CLOCK_GETTIME
		44	# ifndef EV_USE_MONOTONIC
35	# define EV_USE_MONOTONIC 1	45	# define EV_USE_MONOTONIC 1
		46	# endif
		47	# ifndef EV_USE_REALTIME
36	# define EV_USE_REALTIME 1	48	# define EV_USE_REALTIME 1
		49	# endif
		50	# else
		51	# ifndef EV_USE_MONOTONIC
		52	# define EV_USE_MONOTONIC 0
		53	# endif
		54	# ifndef EV_USE_REALTIME
		55	# define EV_USE_REALTIME 0
		56	# endif
37	# endif	57	# endif
38		58
		59	# ifndef EV_USE_SELECT
39	# if HAVE_SELECT && HAVE_SYS_SELECT_H	60	# if HAVE_SELECT && HAVE_SYS_SELECT_H
40	# define EV_USE_SELECT 1	61	# define EV_USE_SELECT 1
		62	# else
		63	# define EV_USE_SELECT 0
		64	# endif
41	# endif	65	# endif
42		66
		67	# ifndef EV_USE_POLL
43	# if HAVE_POLL && HAVE_POLL_H	68	# if HAVE_POLL && HAVE_POLL_H
44	# define EV_USE_POLL 1	69	# define EV_USE_POLL 1
		70	# else
		71	# define EV_USE_POLL 0
		72	# endif
45	# endif	73	# endif
46		74
		75	# ifndef EV_USE_EPOLL
47	# if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H	76	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
48	# define EV_USE_EPOLL 1	77	# define EV_USE_EPOLL 1
		78	# else
		79	# define EV_USE_EPOLL 0
		80	# endif
49	# endif	81	# endif
50		82
		83	# ifndef EV_USE_KQUEUE
51	# if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H	84	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H
52	# define EV_USE_KQUEUE 1	85	# define EV_USE_KQUEUE 1
		86	# else
		87	# define EV_USE_KQUEUE 0
		88	# endif
		89	# endif
		90
		91	# ifndef EV_USE_PORT
		92	# if HAVE_PORT_H && HAVE_PORT_CREATE
		93	# define EV_USE_PORT 1
		94	# else
		95	# define EV_USE_PORT 0
		96	# endif
53	# endif	97	# endif
54		98
55	#endif	99	#endif
56		100
57	#include <math.h>	101	#include <math.h>
…		…
64	#include <assert.h>	108	#include <assert.h>
65	#include <errno.h>	109	#include <errno.h>
66	#include <sys/types.h>	110	#include <sys/types.h>
67	#include <time.h>	111	#include <time.h>
68		112
69	#ifndef PERL
70	# include <signal.h>	113	#include <signal.h>
71	#endif
72		114
73	#ifndef WIN32	115	#ifndef _WIN32
74	# include <unistd.h>	116	# include <unistd.h>
75	# include <sys/time.h>	117	# include <sys/time.h>
76	# include <sys/wait.h>	118	# include <sys/wait.h>
		119	#else
		120	# define WIN32_LEAN_AND_MEAN
		121	# include <windows.h>
		122	# ifndef EV_SELECT_IS_WINSOCKET
		123	# define EV_SELECT_IS_WINSOCKET 1
77	#endif	124	# endif
		125	#endif
		126
78	/**/	127	/**/
79		128
80	#ifndef EV_USE_MONOTONIC	129	#ifndef EV_USE_MONOTONIC
81	# define EV_USE_MONOTONIC 1	130	# define EV_USE_MONOTONIC 0
		131	#endif
		132
		133	#ifndef EV_USE_REALTIME
		134	# define EV_USE_REALTIME 0
82	#endif	135	#endif
83		136
84	#ifndef EV_USE_SELECT	137	#ifndef EV_USE_SELECT
85	# define EV_USE_SELECT 1	138	# define EV_USE_SELECT 1
86	#endif	139	#endif
87		140
88	#ifndef EV_USE_POLL	141	#ifndef EV_USE_POLL
89	# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */	142	# ifdef _WIN32
		143	# define EV_USE_POLL 0
		144	# else
		145	# define EV_USE_POLL 1
		146	# endif
90	#endif	147	#endif
91		148
92	#ifndef EV_USE_EPOLL	149	#ifndef EV_USE_EPOLL
93	# define EV_USE_EPOLL 0	150	# define EV_USE_EPOLL 0
94	#endif	151	#endif
95		152
96	#ifndef EV_USE_KQUEUE	153	#ifndef EV_USE_KQUEUE
97	# define EV_USE_KQUEUE 0	154	# define EV_USE_KQUEUE 0
98	#endif	155	#endif
99		156
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	157	#ifndef EV_USE_PORT
111	# define EV_USE_REALTIME 1	158	# define EV_USE_PORT 0
112	#endif	159	#endif
113		160
114	/**/	161	/**/
115		162
116	#ifndef CLOCK_MONOTONIC	163	#ifndef CLOCK_MONOTONIC
…		…
121	#ifndef CLOCK_REALTIME	168	#ifndef CLOCK_REALTIME
122	# undef EV_USE_REALTIME	169	# undef EV_USE_REALTIME
123	# define EV_USE_REALTIME 0	170	# define EV_USE_REALTIME 0
124	#endif	171	#endif
125		172
		173	#if EV_SELECT_IS_WINSOCKET
		174	# include <winsock.h>
		175	#endif
		176
126	/**/	177	/**/
127		178
128	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	179	#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) */	180	#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 */	181	#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 */	182	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds */
132		183
		184	#ifdef EV_H
		185	# include EV_H
		186	#else
133	#include "ev.h"	187	# include "ev.h"
		188	#endif
134		189
135	#if __GNUC__ >= 3	190	#if __GNUC__ >= 3
136	# define expect(expr,value) __builtin_expect ((expr),(value))	191	# define expect(expr,value) __builtin_expect ((expr),(value))
137	# define inline inline	192	# define inline static inline
138	#else	193	#else
139	# define expect(expr,value) (expr)	194	# define expect(expr,value) (expr)
140	# define inline static	195	# define inline static
141	#endif	196	#endif
142		197
…		…
144	#define expect_true(expr) expect ((expr) != 0, 1)	199	#define expect_true(expr) expect ((expr) != 0, 1)
145		200
146	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	201	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
147	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	202	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
148		203
		204	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
		205	#define EMPTY2(a,b) /* used to suppress some warnings */
		206
149	typedef struct ev_watcher *W;	207	typedef struct ev_watcher *W;
150	typedef struct ev_watcher_list *WL;	208	typedef struct ev_watcher_list *WL;
151	typedef struct ev_watcher_time *WT;	209	typedef struct ev_watcher_time *WT;
152		210
153	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	211	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
154		212
155	#if WIN32	213	#ifdef _WIN32
156	/* note: the comment below could not be substantiated, but what would I care */	214	# include "ev_win32.c"
157	/* MSDN says this is required to handle SIGFPE */
158	volatile double SIGFPE_REQ = 0.0f;
159	#endif	215	#endif
160		216
161	/*****************************************************************************/	217	/*****************************************************************************/
162		218
163	static void (syserr_cb)(const char msg);	219	static void (syserr_cb)(const char msg);
…		…
211	typedef struct	267	typedef struct
212	{	268	{
213	WL head;	269	WL head;
214	unsigned char events;	270	unsigned char events;
215	unsigned char reify;	271	unsigned char reify;
		272	#if EV_SELECT_IS_WINSOCKET
		273	SOCKET handle;
		274	#endif
216	} ANFD;	275	} ANFD;
217		276
218	typedef struct	277	typedef struct
219	{	278	{
220	W w;	279	W w;
221	int events;	280	int events;
222	} ANPENDING;	281	} ANPENDING;
223		282
224	#if EV_MULTIPLICITY	283	#if EV_MULTIPLICITY
225		284
226	struct ev_loop	285	struct ev_loop
227	{	286	{
		287	ev_tstamp ev_rt_now;
		288	#define ev_rt_now ((loop)->ev_rt_now)
228	# define VAR(name,decl) decl;	289	#define VAR(name,decl) decl;
229	# include "ev_vars.h"	290	#include "ev_vars.h"
230	};
231	# undef VAR	291	#undef VAR
		292	};
232	# include "ev_wrap.h"	293	#include "ev_wrap.h"
		294
		295	static struct ev_loop default_loop_struct;
		296	struct ev_loop *ev_default_loop_ptr;
233		297
234	#else	298	#else
235		299
		300	ev_tstamp ev_rt_now;
236	# define VAR(name,decl) static decl;	301	#define VAR(name,decl) static decl;
237	# include "ev_vars.h"	302	#include "ev_vars.h"
238	# undef VAR	303	#undef VAR
		304
		305	static int ev_default_loop_ptr;
239		306
240	#endif	307	#endif
241		308
242	/*****************************************************************************/	309	/*****************************************************************************/
243		310
244	inline ev_tstamp	311	ev_tstamp
245	ev_time (void)	312	ev_time (void)
246	{	313	{
247	#if EV_USE_REALTIME	314	#if EV_USE_REALTIME
248	struct timespec ts;	315	struct timespec ts;
249	clock_gettime (CLOCK_REALTIME, &ts);	316	clock_gettime (CLOCK_REALTIME, &ts);
…		…
268	#endif	335	#endif
269		336
270	return ev_time ();	337	return ev_time ();
271	}	338	}
272		339
		340	#if EV_MULTIPLICITY
273	ev_tstamp	341	ev_tstamp
274	ev_now (EV_P)	342	ev_now (EV_P)
275	{	343	{
276	return rt_now;	344	return ev_rt_now;
277	}	345	}
		346	#endif
278		347
279	#define array_roundsize(base,n) ((n) \| 4 & ~3)	348	#define array_roundsize(type,n) (((n) \| 4) & ~3)
280		349
281	#define array_needsize(base,cur,cnt,init) \	350	#define array_needsize(type,base,cur,cnt,init) \
282	if (expect_false ((cnt) > cur)) \	351	if (expect_false ((cnt) > cur)) \
283	{ \	352	{ \
284	int newcnt = cur; \	353	int newcnt = cur; \
285	do \	354	do \
286	{ \	355	{ \
287	newcnt = array_roundsize (base, newcnt << 1); \	356	newcnt = array_roundsize (type, newcnt << 1); \
288	} \	357	} \
289	while ((cnt) > newcnt); \	358	while ((cnt) > newcnt); \
290	\	359	\
291	base = ev_realloc (base, sizeof (base) (newcnt)); \	360	base = (type )ev_realloc (base, sizeof (type) (newcnt));\
292	init (base + cur, newcnt - cur); \	361	init (base + cur, newcnt - cur); \
293	cur = newcnt; \	362	cur = newcnt; \
294	}	363	}
295		364
296	#define array_slim(stem) \	365	#define array_slim(type,stem) \
297	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	366	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
298	{ \	367	{ \
299	stem ## max = array_roundsize (stem ## cnt >> 1); \	368	stem ## max = array_roundsize (stem ## cnt >> 1); \
300	base = ev_realloc (base, sizeof (base) (stem ## max)); \	369	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
301	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\	370	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
302	}	371	}
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		372
309	#define array_free(stem, idx) \	373	#define array_free(stem, idx) \
310	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;	374	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
311		375
312	/*****************************************************************************/	376	/*****************************************************************************/
…		…
322		386
323	++base;	387	++base;
324	}	388	}
325	}	389	}
326		390
327	static void	391	void
328	event (EV_P_ W w, int events)	392	ev_feed_event (EV_P_ void *w, int revents)
329	{	393	{
330	if (w->pending)	394	W w_ = (W)w;
		395
		396	if (expect_false (w_->pending))
331	{	397	{
332	pendings [ABSPRI (w)][w->pending - 1].events \|= events;	398	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
333	return;	399	return;
334	}	400	}
335		401
336	w->pending = ++pendingcnt [ABSPRI (w)];	402	w_->pending = ++pendingcnt [ABSPRI (w_)];
337	array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], (void));	403	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
338	pendings [ABSPRI (w)][w->pending - 1].w = w;	404	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
339	pendings [ABSPRI (w)][w->pending - 1].events = events;	405	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
340	}	406	}
341		407
342	static void	408	static void
343	queue_events (EV_P_ W *events, int eventcnt, int type)	409	queue_events (EV_P_ W *events, int eventcnt, int type)
344	{	410	{
345	int i;	411	int i;
346		412
347	for (i = 0; i < eventcnt; ++i)	413	for (i = 0; i < eventcnt; ++i)
348	event (EV_A_ events [i], type);	414	ev_feed_event (EV_A_ events [i], type);
349	}	415	}
350		416
351	static void	417	inline void
352	fd_event (EV_P_ int fd, int events)	418	fd_event (EV_P_ int fd, int revents)
353	{	419	{
354	ANFD *anfd = anfds + fd;	420	ANFD *anfd = anfds + fd;
355	struct ev_io *w;	421	struct ev_io *w;
356		422
357	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	423	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
358	{	424	{
359	int ev = w->events & events;	425	int ev = w->events & revents;
360		426
361	if (ev)	427	if (ev)
362	event (EV_A_ (W)w, ev);	428	ev_feed_event (EV_A_ (W)w, ev);
363	}	429	}
		430	}
		431
		432	void
		433	ev_feed_fd_event (EV_P_ int fd, int revents)
		434	{
		435	fd_event (EV_A_ fd, revents);
364	}	436	}
365		437
366	/*****************************************************************************/	438	/*****************************************************************************/
367		439
368	static void	440	inline void
369	fd_reify (EV_P)	441	fd_reify (EV_P)
370	{	442	{
371	int i;	443	int i;
372		444
373	for (i = 0; i < fdchangecnt; ++i)	445	for (i = 0; i < fdchangecnt; ++i)
…		…
379	int events = 0;	451	int events = 0;
380		452
381	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	453	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
382	events \|= w->events;	454	events \|= w->events;
383		455
		456	#if EV_SELECT_IS_WINSOCKET
		457	if (events)
		458	{
		459	unsigned long argp;
		460	anfd->handle = _get_osfhandle (fd);
		461	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
		462	}
		463	#endif
		464
384	anfd->reify = 0;	465	anfd->reify = 0;
385		466
386	method_modify (EV_A_ fd, anfd->events, events);	467	backend_modify (EV_A_ fd, anfd->events, events);
387	anfd->events = events;	468	anfd->events = events;
388	}	469	}
389		470
390	fdchangecnt = 0;	471	fdchangecnt = 0;
391	}	472	}
392		473
393	static void	474	static void
394	fd_change (EV_P_ int fd)	475	fd_change (EV_P_ int fd)
395	{	476	{
396	if (anfds [fd].reify)	477	if (expect_false (anfds [fd].reify))
397	return;	478	return;
398		479
399	anfds [fd].reify = 1;	480	anfds [fd].reify = 1;
400		481
401	++fdchangecnt;	482	++fdchangecnt;
402	array_needsize (fdchanges, fdchangemax, fdchangecnt, (void));	483	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
403	fdchanges [fdchangecnt - 1] = fd;	484	fdchanges [fdchangecnt - 1] = fd;
404	}	485	}
405		486
406	static void	487	static void
407	fd_kill (EV_P_ int fd)	488	fd_kill (EV_P_ int fd)
…		…
409	struct ev_io *w;	490	struct ev_io *w;
410		491
411	while ((w = (struct ev_io *)anfds [fd].head))	492	while ((w = (struct ev_io *)anfds [fd].head))
412	{	493	{
413	ev_io_stop (EV_A_ w);	494	ev_io_stop (EV_A_ w);
414	event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	495	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
415	}	496	}
416	}	497	}
417		498
418	static int	499	inline int
419	fd_valid (int fd)	500	fd_valid (int fd)
420	{	501	{
421	#ifdef WIN32	502	#ifdef _WIN32
422	return !!win32_get_osfhandle (fd);	503	return _get_osfhandle (fd) != -1;
423	#else	504	#else
424	return fcntl (fd, F_GETFD) != -1;	505	return fcntl (fd, F_GETFD) != -1;
425	#endif	506	#endif
426	}	507	}
427		508
…		…
449	fd_kill (EV_A_ fd);	530	fd_kill (EV_A_ fd);
450	return;	531	return;
451	}	532	}
452	}	533	}
453		534
454	/* usually called after fork if method needs to re-arm all fds from scratch */	535	/* usually called after fork if backend needs to re-arm all fds from scratch */
455	static void	536	static void
456	fd_rearm_all (EV_P)	537	fd_rearm_all (EV_P)
457	{	538	{
458	int fd;	539	int fd;
459		540
…		…
507		588
508	heap [k] = w;	589	heap [k] = w;
509	((W)heap [k])->active = k + 1;	590	((W)heap [k])->active = k + 1;
510	}	591	}
511		592
		593	inline void
		594	adjustheap (WT *heap, int N, int k)
		595	{
		596	upheap (heap, k);
		597	downheap (heap, N, k);
		598	}
		599
512	/*****************************************************************************/	600	/*****************************************************************************/
513		601
514	typedef struct	602	typedef struct
515	{	603	{
516	WL head;	604	WL head;
…		…
537	}	625	}
538		626
539	static void	627	static void
540	sighandler (int signum)	628	sighandler (int signum)
541	{	629	{
542	#if WIN32	630	#if _WIN32
543	signal (signum, sighandler);	631	signal (signum, sighandler);
544	#endif	632	#endif
545		633
546	signals [signum - 1].gotsig = 1;	634	signals [signum - 1].gotsig = 1;
547		635
…		…
552	write (sigpipe [1], &signum, 1);	640	write (sigpipe [1], &signum, 1);
553	errno = old_errno;	641	errno = old_errno;
554	}	642	}
555	}	643	}
556		644
		645	void
		646	ev_feed_signal_event (EV_P_ int signum)
		647	{
		648	WL w;
		649
		650	#if EV_MULTIPLICITY
		651	assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
		652	#endif
		653
		654	--signum;
		655
		656	if (signum < 0 \|\| signum >= signalmax)
		657	return;
		658
		659	signals [signum].gotsig = 0;
		660
		661	for (w = signals [signum].head; w; w = w->next)
		662	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
		663	}
		664
557	static void	665	static void
558	sigcb (EV_P_ struct ev_io *iow, int revents)	666	sigcb (EV_P_ struct ev_io *iow, int revents)
559	{	667	{
560	WL w;
561	int signum;	668	int signum;
562		669
563	read (sigpipe [0], &revents, 1);	670	read (sigpipe [0], &revents, 1);
564	gotsig = 0;	671	gotsig = 0;
565		672
566	for (signum = signalmax; signum--; )	673	for (signum = signalmax; signum--; )
567	if (signals [signum].gotsig)	674	if (signals [signum].gotsig)
568	{	675	ev_feed_signal_event (EV_A_ signum + 1);
569	signals [signum].gotsig = 0;	676	}
570		677
571	for (w = signals [signum].head; w; w = w->next)	678	static void
572	event (EV_A_ (W)w, EV_SIGNAL);	679	fd_intern (int fd)
573	}	680	{
		681	#ifdef _WIN32
		682	int arg = 1;
		683	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
		684	#else
		685	fcntl (fd, F_SETFD, FD_CLOEXEC);
		686	fcntl (fd, F_SETFL, O_NONBLOCK);
		687	#endif
574	}	688	}
575		689
576	static void	690	static void
577	siginit (EV_P)	691	siginit (EV_P)
578	{	692	{
579	#ifndef WIN32	693	fd_intern (sigpipe [0]);
580	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	694	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		695
588	ev_io_set (&sigev, sigpipe [0], EV_READ);	696	ev_io_set (&sigev, sigpipe [0], EV_READ);
589	ev_io_start (EV_A_ &sigev);	697	ev_io_start (EV_A_ &sigev);
590	ev_unref (EV_A); /* child watcher should not keep loop alive */	698	ev_unref (EV_A); /* child watcher should not keep loop alive */
591	}	699	}
592		700
593	/*****************************************************************************/	701	/*****************************************************************************/
594		702
595	static struct ev_child *childs [PID_HASHSIZE];	703	static struct ev_child *childs [PID_HASHSIZE];
596		704
597	#ifndef WIN32	705	#ifndef _WIN32
598		706
599	static struct ev_signal childev;	707	static struct ev_signal childev;
600		708
601	#ifndef WCONTINUED	709	#ifndef WCONTINUED
602	# define WCONTINUED 0	710	# define WCONTINUED 0
…		…
611	if (w->pid == pid \|\| !w->pid)	719	if (w->pid == pid \|\| !w->pid)
612	{	720	{
613	ev_priority (w) = ev_priority (sw); /* need to do it now */	721	ev_priority (w) = ev_priority (sw); /* need to do it now */
614	w->rpid = pid;	722	w->rpid = pid;
615	w->rstatus = status;	723	w->rstatus = status;
616	event (EV_A_ (W)w, EV_CHILD);	724	ev_feed_event (EV_A_ (W)w, EV_CHILD);
617	}	725	}
618	}	726	}
619		727
620	static void	728	static void
621	childcb (EV_P_ struct ev_signal *sw, int revents)	729	childcb (EV_P_ struct ev_signal *sw, int revents)
…		…
623	int pid, status;	731	int pid, status;
624		732
625	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))	733	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
626	{	734	{
627	/* make sure we are called again until all childs have been reaped */	735	/* make sure we are called again until all childs have been reaped */
		736	/* we need to do it this way so that the callback gets called before we continue */
628	event (EV_A_ (W)sw, EV_SIGNAL);	737	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
629		738
630	child_reap (EV_A_ sw, pid, pid, status);	739	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 */	740	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
632	}	741	}
633	}	742	}
634		743
635	#endif	744	#endif
636		745
637	/*****************************************************************************/	746	/*****************************************************************************/
638		747
		748	#if EV_USE_PORT
		749	# include "ev_port.c"
		750	#endif
639	#if EV_USE_KQUEUE	751	#if EV_USE_KQUEUE
640	# include "ev_kqueue.c"	752	# include "ev_kqueue.c"
641	#endif	753	#endif
642	#if EV_USE_EPOLL	754	#if EV_USE_EPOLL
643	# include "ev_epoll.c"	755	# include "ev_epoll.c"
…		…
663		775
664	/* return true if we are running with elevated privileges and should ignore env variables */	776	/* return true if we are running with elevated privileges and should ignore env variables */
665	static int	777	static int
666	enable_secure (void)	778	enable_secure (void)
667	{	779	{
668	#ifdef WIN32	780	#ifdef _WIN32
669	return 0;	781	return 0;
670	#else	782	#else
671	return getuid () != geteuid ()	783	return getuid () != geteuid ()
672	\|\| getgid () != getegid ();	784	\|\| getgid () != getegid ();
673	#endif	785	#endif
674	}	786	}
675		787
676	int	788	unsigned int
677	ev_method (EV_P)	789	ev_supported_backends (void)
678	{	790	{
679	return method;	791	unsigned int flags = 0;
680	}
681		792
682	static void	793	if (EV_USE_PORT ) flags \|= EVBACKEND_PORT;
683	loop_init (EV_P_ int methods)	794	if (EV_USE_KQUEUE) flags \|= EVBACKEND_KQUEUE;
		795	if (EV_USE_EPOLL ) flags \|= EVBACKEND_EPOLL;
		796	if (EV_USE_POLL ) flags \|= EVBACKEND_POLL;
		797	if (EV_USE_SELECT) flags \|= EVBACKEND_SELECT;
		798
		799	return flags;
		800	}
		801
		802	unsigned int
		803	ev_recommended_backends (void)
684	{	804	{
685	if (!method)	805	unsigned int flags = ev_supported_backends ();
		806
		807	#ifndef __NetBSD__
		808	/* kqueue is borked on everything but netbsd apparently */
		809	/* it usually doesn't work correctly on anything but sockets and pipes */
		810	flags &= ~EVBACKEND_KQUEUE;
		811	#endif
		812	#ifdef __APPLE__
		813	// flags &= ~EVBACKEND_KQUEUE; for documentation
		814	flags &= ~EVBACKEND_POLL;
		815	#endif
		816
		817	return flags;
		818	}
		819
		820	unsigned int
		821	ev_backend (EV_P)
		822	{
		823	return backend;
		824	}
		825
		826	static void
		827	loop_init (EV_P_ unsigned int flags)
		828	{
		829	if (!backend)
686	{	830	{
687	#if EV_USE_MONOTONIC	831	#if EV_USE_MONOTONIC
688	{	832	{
689	struct timespec ts;	833	struct timespec ts;
690	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	834	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
691	have_monotonic = 1;	835	have_monotonic = 1;
692	}	836	}
693	#endif	837	#endif
694		838
695	rt_now = ev_time ();	839	ev_rt_now = ev_time ();
696	mn_now = get_clock ();	840	mn_now = get_clock ();
697	now_floor = mn_now;	841	now_floor = mn_now;
698	rtmn_diff = rt_now - mn_now;	842	rtmn_diff = ev_rt_now - mn_now;
699		843
700	if (methods == EVMETHOD_AUTO)	844	if (!(flags & EVFLAG_NOENV)
701	if (!enable_secure () && getenv ("LIBEV_METHODS"))	845	&& !enable_secure ()
		846	&& getenv ("LIBEV_FLAGS"))
702	methods = atoi (getenv ("LIBEV_METHODS"));	847	flags = atoi (getenv ("LIBEV_FLAGS"));
703	else
704	methods = EVMETHOD_ANY;
705		848
706	method = 0;	849	if (!(flags & 0x0000ffffUL))
707	#if EV_USE_WIN32	850	flags \|= ev_recommended_backends ();
708	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);	851
		852	backend = 0;
		853	#if EV_USE_PORT
		854	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
709	#endif	855	#endif
710	#if EV_USE_KQUEUE	856	#if EV_USE_KQUEUE
711	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	857	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
712	#endif	858	#endif
713	#if EV_USE_EPOLL	859	#if EV_USE_EPOLL
714	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	860	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
715	#endif	861	#endif
716	#if EV_USE_POLL	862	#if EV_USE_POLL
717	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	863	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
718	#endif	864	#endif
719	#if EV_USE_SELECT	865	#if EV_USE_SELECT
720	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	866	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
721	#endif	867	#endif
722		868
723	ev_watcher_init (&sigev, sigcb);	869	ev_init (&sigev, sigcb);
724	ev_set_priority (&sigev, EV_MAXPRI);	870	ev_set_priority (&sigev, EV_MAXPRI);
725	}	871	}
726	}	872	}
727		873
728	void	874	static void
729	loop_destroy (EV_P)	875	loop_destroy (EV_P)
730	{	876	{
731	int i;	877	int i;
732		878
733	#if EV_USE_WIN32	879	#if EV_USE_PORT
734	if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);	880	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
735	#endif	881	#endif
736	#if EV_USE_KQUEUE	882	#if EV_USE_KQUEUE
737	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);	883	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
738	#endif	884	#endif
739	#if EV_USE_EPOLL	885	#if EV_USE_EPOLL
740	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);	886	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
741	#endif	887	#endif
742	#if EV_USE_POLL	888	#if EV_USE_POLL
743	if (method == EVMETHOD_POLL ) poll_destroy (EV_A);	889	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
744	#endif	890	#endif
745	#if EV_USE_SELECT	891	#if EV_USE_SELECT
746	if (method == EVMETHOD_SELECT) select_destroy (EV_A);	892	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);
747	#endif	893	#endif
748		894
749	for (i = NUMPRI; i--; )	895	for (i = NUMPRI; i--; )
750	array_free (pending, [i]);	896	array_free (pending, [i]);
751		897
752	/* have to use the microsoft-never-gets-it-right macro */	898	/* have to use the microsoft-never-gets-it-right macro */
753	array_free_microshit (fdchange);	899	array_free (fdchange, EMPTY0);
754	array_free_microshit (timer);	900	array_free (timer, EMPTY0);
755	array_free_microshit (periodic);	901	#if EV_PERIODICS
756	array_free_microshit (idle);	902	array_free (periodic, EMPTY0);
757	array_free_microshit (prepare);	903	#endif
758	array_free_microshit (check);	904	array_free (idle, EMPTY0);
		905	array_free (prepare, EMPTY0);
		906	array_free (check, EMPTY0);
759		907
760	method = 0;	908	backend = 0;
761	}	909	}
762		910
763	static void	911	static void
764	loop_fork (EV_P)	912	loop_fork (EV_P)
765	{	913	{
		914	#if EV_USE_PORT
		915	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
		916	#endif
		917	#if EV_USE_KQUEUE
		918	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);
		919	#endif
766	#if EV_USE_EPOLL	920	#if EV_USE_EPOLL
767	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);	921	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	922	#endif
772		923
773	if (ev_is_active (&sigev))	924	if (ev_is_active (&sigev))
774	{	925	{
775	/* default loop */	926	/* default loop */
…		…
788	postfork = 0;	939	postfork = 0;
789	}	940	}
790		941
791	#if EV_MULTIPLICITY	942	#if EV_MULTIPLICITY
792	struct ev_loop *	943	struct ev_loop *
793	ev_loop_new (int methods)	944	ev_loop_new (unsigned int flags)
794	{	945	{
795	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));	946	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
796		947
797	memset (loop, 0, sizeof (struct ev_loop));	948	memset (loop, 0, sizeof (struct ev_loop));
798		949
799	loop_init (EV_A_ methods);	950	loop_init (EV_A_ flags);
800		951
801	if (ev_method (EV_A))	952	if (ev_backend (EV_A))
802	return loop;	953	return loop;
803		954
804	return 0;	955	return 0;
805	}	956	}
806		957
…		…
818	}	969	}
819		970
820	#endif	971	#endif
821		972
822	#if EV_MULTIPLICITY	973	#if EV_MULTIPLICITY
823	struct ev_loop default_loop_struct;
824	static struct ev_loop *default_loop;
825
826	struct ev_loop *	974	struct ev_loop *
		975	ev_default_loop_init (unsigned int flags)
827	#else	976	#else
828	static int default_loop;
829
830	int	977	int
		978	ev_default_loop (unsigned int flags)
831	#endif	979	#endif
832	ev_default_loop (int methods)
833	{	980	{
834	if (sigpipe [0] == sigpipe [1])	981	if (sigpipe [0] == sigpipe [1])
835	if (pipe (sigpipe))	982	if (pipe (sigpipe))
836	return 0;	983	return 0;
837		984
838	if (!default_loop)	985	if (!ev_default_loop_ptr)
839	{	986	{
840	#if EV_MULTIPLICITY	987	#if EV_MULTIPLICITY
841	struct ev_loop *loop = default_loop = &default_loop_struct;	988	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
842	#else	989	#else
843	default_loop = 1;	990	ev_default_loop_ptr = 1;
844	#endif	991	#endif
845		992
846	loop_init (EV_A_ methods);	993	loop_init (EV_A_ flags);
847		994
848	if (ev_method (EV_A))	995	if (ev_backend (EV_A))
849	{	996	{
850	siginit (EV_A);	997	siginit (EV_A);
851		998
852	#ifndef WIN32	999	#ifndef _WIN32
853	ev_signal_init (&childev, childcb, SIGCHLD);	1000	ev_signal_init (&childev, childcb, SIGCHLD);
854	ev_set_priority (&childev, EV_MAXPRI);	1001	ev_set_priority (&childev, EV_MAXPRI);
855	ev_signal_start (EV_A_ &childev);	1002	ev_signal_start (EV_A_ &childev);
856	ev_unref (EV_A); /* child watcher should not keep loop alive */	1003	ev_unref (EV_A); /* child watcher should not keep loop alive */
857	#endif	1004	#endif
858	}	1005	}
859	else	1006	else
860	default_loop = 0;	1007	ev_default_loop_ptr = 0;
861	}	1008	}
862		1009
863	return default_loop;	1010	return ev_default_loop_ptr;
864	}	1011	}
865		1012
866	void	1013	void
867	ev_default_destroy (void)	1014	ev_default_destroy (void)
868	{	1015	{
869	#if EV_MULTIPLICITY	1016	#if EV_MULTIPLICITY
870	struct ev_loop *loop = default_loop;	1017	struct ev_loop *loop = ev_default_loop_ptr;
871	#endif	1018	#endif
872		1019
873	#ifndef WIN32	1020	#ifndef _WIN32
874	ev_ref (EV_A); /* child watcher */	1021	ev_ref (EV_A); /* child watcher */
875	ev_signal_stop (EV_A_ &childev);	1022	ev_signal_stop (EV_A_ &childev);
876	#endif	1023	#endif
877		1024
878	ev_ref (EV_A); /* signal watcher */	1025	ev_ref (EV_A); /* signal watcher */
…		…
886		1033
887	void	1034	void
888	ev_default_fork (void)	1035	ev_default_fork (void)
889	{	1036	{
890	#if EV_MULTIPLICITY	1037	#if EV_MULTIPLICITY
891	struct ev_loop *loop = default_loop;	1038	struct ev_loop *loop = ev_default_loop_ptr;
892	#endif	1039	#endif
893		1040
894	if (method)	1041	if (backend)
895	postfork = 1;	1042	postfork = 1;
896	}	1043	}
897		1044
898	/*****************************************************************************/	1045	/*****************************************************************************/
899		1046
900	static void	1047	static int
		1048	any_pending (EV_P)
		1049	{
		1050	int pri;
		1051
		1052	for (pri = NUMPRI; pri--; )
		1053	if (pendingcnt [pri])
		1054	return 1;
		1055
		1056	return 0;
		1057	}
		1058
		1059	inline void
901	call_pending (EV_P)	1060	call_pending (EV_P)
902	{	1061	{
903	int pri;	1062	int pri;
904		1063
905	for (pri = NUMPRI; pri--; )	1064	for (pri = NUMPRI; pri--; )
906	while (pendingcnt [pri])	1065	while (pendingcnt [pri])
907	{	1066	{
908	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1067	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
909		1068
910	if (p->w)	1069	if (expect_true (p->w))
911	{	1070	{
912	p->w->pending = 0;	1071	p->w->pending = 0;
913	p->w->cb (EV_A_ p->w, p->events);	1072	EV_CB_INVOKE (p->w, p->events);
914	}	1073	}
915	}	1074	}
916	}	1075	}
917		1076
918	static void	1077	inline void
919	timers_reify (EV_P)	1078	timers_reify (EV_P)
920	{	1079	{
921	while (timercnt && ((WT)timers [0])->at <= mn_now)	1080	while (timercnt && ((WT)timers [0])->at <= mn_now)
922	{	1081	{
923	struct ev_timer *w = timers [0];	1082	struct ev_timer *w = timers [0];
…		…
926		1085
927	/* first reschedule or stop timer */	1086	/* first reschedule or stop timer */
928	if (w->repeat)	1087	if (w->repeat)
929	{	1088	{
930	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1089	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
		1090
931	((WT)w)->at = mn_now + w->repeat;	1091	((WT)w)->at += w->repeat;
		1092	if (((WT)w)->at < mn_now)
		1093	((WT)w)->at = mn_now;
		1094
932	downheap ((WT *)timers, timercnt, 0);	1095	downheap ((WT *)timers, timercnt, 0);
933	}	1096	}
934	else	1097	else
935	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1098	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
936		1099
937	event (EV_A_ (W)w, EV_TIMEOUT);	1100	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
938	}	1101	}
939	}	1102	}
940		1103
941	static void	1104	#if EV_PERIODICS
		1105	inline void
942	periodics_reify (EV_P)	1106	periodics_reify (EV_P)
943	{	1107	{
944	while (periodiccnt && ((WT)periodics [0])->at <= rt_now)	1108	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
945	{	1109	{
946	struct ev_periodic *w = periodics [0];	1110	struct ev_periodic *w = periodics [0];
947		1111
948	assert (("inactive timer on periodic heap detected", ev_is_active (w)));	1112	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
949		1113
950	/* first reschedule or stop timer */	1114	/* first reschedule or stop timer */
951	if (w->interval)	1115	if (w->reschedule_cb)
952	{	1116	{
		1117	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
		1118	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
		1119	downheap ((WT *)periodics, periodiccnt, 0);
		1120	}
		1121	else if (w->interval)
		1122	{
953	((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;	1123	((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));	1124	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);	1125	downheap ((WT *)periodics, periodiccnt, 0);
956	}	1126	}
957	else	1127	else
958	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1128	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
959		1129
960	event (EV_A_ (W)w, EV_PERIODIC);	1130	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
961	}	1131	}
962	}	1132	}
963		1133
964	static void	1134	static void
965	periodics_reschedule (EV_P)	1135	periodics_reschedule (EV_P)
…		…
969	/* adjust periodics after time jump */	1139	/* adjust periodics after time jump */
970	for (i = 0; i < periodiccnt; ++i)	1140	for (i = 0; i < periodiccnt; ++i)
971	{	1141	{
972	struct ev_periodic *w = periodics [i];	1142	struct ev_periodic *w = periodics [i];
973		1143
		1144	if (w->reschedule_cb)
		1145	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
974	if (w->interval)	1146	else if (w->interval)
975	{
976	ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;	1147	((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	}	1148	}
		1149
		1150	/* now rebuild the heap */
		1151	for (i = periodiccnt >> 1; i--; )
		1152	downheap ((WT *)periodics, periodiccnt, i);
987	}	1153	}
		1154	#endif
988		1155
989	inline int	1156	inline int
990	time_update_monotonic (EV_P)	1157	time_update_monotonic (EV_P)
991	{	1158	{
992	mn_now = get_clock ();	1159	mn_now = get_clock ();
993		1160
994	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1161	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
995	{	1162	{
996	rt_now = rtmn_diff + mn_now;	1163	ev_rt_now = rtmn_diff + mn_now;
997	return 0;	1164	return 0;
998	}	1165	}
999	else	1166	else
1000	{	1167	{
1001	now_floor = mn_now;	1168	now_floor = mn_now;
1002	rt_now = ev_time ();	1169	ev_rt_now = ev_time ();
1003	return 1;	1170	return 1;
1004	}	1171	}
1005	}	1172	}
1006		1173
1007	static void	1174	inline void
1008	time_update (EV_P)	1175	time_update (EV_P)
1009	{	1176	{
1010	int i;	1177	int i;
1011		1178
1012	#if EV_USE_MONOTONIC	1179	#if EV_USE_MONOTONIC
…		…
1016	{	1183	{
1017	ev_tstamp odiff = rtmn_diff;	1184	ev_tstamp odiff = rtmn_diff;
1018		1185
1019	for (i = 4; --i; ) /* loop a few times, before making important decisions */	1186	for (i = 4; --i; ) /* loop a few times, before making important decisions */
1020	{	1187	{
1021	rtmn_diff = rt_now - mn_now;	1188	rtmn_diff = ev_rt_now - mn_now;
1022		1189
1023	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1190	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
1024	return; /* all is well */	1191	return; /* all is well */
1025		1192
1026	rt_now = ev_time ();	1193	ev_rt_now = ev_time ();
1027	mn_now = get_clock ();	1194	mn_now = get_clock ();
1028	now_floor = mn_now;	1195	now_floor = mn_now;
1029	}	1196	}
1030		1197
		1198	# if EV_PERIODICS
1031	periodics_reschedule (EV_A);	1199	periodics_reschedule (EV_A);
		1200	# endif
1032	/* no timer adjustment, as the monotonic clock doesn't jump */	1201	/* no timer adjustment, as the monotonic clock doesn't jump */
1033	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */	1202	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1034	}	1203	}
1035	}	1204	}
1036	else	1205	else
1037	#endif	1206	#endif
1038	{	1207	{
1039	rt_now = ev_time ();	1208	ev_rt_now = ev_time ();
1040		1209
1041	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1210	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
1042	{	1211	{
		1212	#if EV_PERIODICS
1043	periodics_reschedule (EV_A);	1213	periodics_reschedule (EV_A);
		1214	#endif
1044		1215
1045	/* adjust timers. this is easy, as the offset is the same for all */	1216	/* adjust timers. this is easy, as the offset is the same for all */
1046	for (i = 0; i < timercnt; ++i)	1217	for (i = 0; i < timercnt; ++i)
1047	((WT)timers [i])->at += rt_now - mn_now;	1218	((WT)timers [i])->at += ev_rt_now - mn_now;
1048	}	1219	}
1049		1220
1050	mn_now = rt_now;	1221	mn_now = ev_rt_now;
1051	}	1222	}
1052	}	1223	}
1053		1224
1054	void	1225	void
1055	ev_ref (EV_P)	1226	ev_ref (EV_P)
…		…
1069	ev_loop (EV_P_ int flags)	1240	ev_loop (EV_P_ int flags)
1070	{	1241	{
1071	double block;	1242	double block;
1072	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1243	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
1073		1244
1074	do	1245	while (activecnt)
1075	{	1246	{
1076	/* queue check watchers (and execute them) */	1247	/* queue check watchers (and execute them) */
1077	if (expect_false (preparecnt))	1248	if (expect_false (preparecnt))
1078	{	1249	{
1079	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1250	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
…		…
1087	/* update fd-related kernel structures */	1258	/* update fd-related kernel structures */
1088	fd_reify (EV_A);	1259	fd_reify (EV_A);
1089		1260
1090	/* calculate blocking time */	1261	/* calculate blocking time */
1091		1262
1092	/* we only need this for !monotonic clockor timers, but as we basically	1263	/* we only need this for !monotonic clock or timers, but as we basically
1093	always have timers, we just calculate it always */	1264	always have timers, we just calculate it always */
1094	#if EV_USE_MONOTONIC	1265	#if EV_USE_MONOTONIC
1095	if (expect_true (have_monotonic))	1266	if (expect_true (have_monotonic))
1096	time_update_monotonic (EV_A);	1267	time_update_monotonic (EV_A);
1097	else	1268	else
1098	#endif	1269	#endif
1099	{	1270	{
1100	rt_now = ev_time ();	1271	ev_rt_now = ev_time ();
1101	mn_now = rt_now;	1272	mn_now = ev_rt_now;
1102	}	1273	}
1103		1274
1104	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1275	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
1105	block = 0.;	1276	block = 0.;
1106	else	1277	else
1107	{	1278	{
1108	block = MAX_BLOCKTIME;	1279	block = MAX_BLOCKTIME;
1109		1280
1110	if (timercnt)	1281	if (timercnt)
1111	{	1282	{
1112	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;	1283	ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;
1113	if (block > to) block = to;	1284	if (block > to) block = to;
1114	}	1285	}
1115		1286
		1287	#if EV_PERIODICS
1116	if (periodiccnt)	1288	if (periodiccnt)
1117	{	1289	{
1118	ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;	1290	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge;
1119	if (block > to) block = to;	1291	if (block > to) block = to;
1120	}	1292	}
		1293	#endif
1121		1294
1122	if (block < 0.) block = 0.;	1295	if (expect_false (block < 0.)) block = 0.;
1123	}	1296	}
1124		1297
1125	method_poll (EV_A_ block);	1298	backend_poll (EV_A_ block);
1126		1299
1127	/* update rt_now, do magic */	1300	/* update ev_rt_now, do magic */
1128	time_update (EV_A);	1301	time_update (EV_A);
1129		1302
1130	/* queue pending timers and reschedule them */	1303	/* queue pending timers and reschedule them */
1131	timers_reify (EV_A); /* relative timers called last */	1304	timers_reify (EV_A); /* relative timers called last */
		1305	#if EV_PERIODICS
1132	periodics_reify (EV_A); /* absolute timers called first */	1306	periodics_reify (EV_A); /* absolute timers called first */
		1307	#endif
1133		1308
1134	/* queue idle watchers unless io or timers are pending */	1309	/* queue idle watchers unless io or timers are pending */
1135	if (!pendingcnt)	1310	if (idlecnt && !any_pending (EV_A))
1136	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1311	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
1137		1312
1138	/* queue check watchers, to be executed first */	1313	/* queue check watchers, to be executed first */
1139	if (checkcnt)	1314	if (expect_false (checkcnt))
1140	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1315	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1141		1316
1142	call_pending (EV_A);	1317	call_pending (EV_A);
		1318
		1319	if (expect_false (loop_done))
		1320	break;
1143	}	1321	}
1144	while (activecnt && !loop_done);
1145		1322
1146	if (loop_done != 2)	1323	if (loop_done != 2)
1147	loop_done = 0;	1324	loop_done = 0;
1148	}	1325	}
1149		1326
…		…
1209	void	1386	void
1210	ev_io_start (EV_P_ struct ev_io *w)	1387	ev_io_start (EV_P_ struct ev_io *w)
1211	{	1388	{
1212	int fd = w->fd;	1389	int fd = w->fd;
1213		1390
1214	if (ev_is_active (w))	1391	if (expect_false (ev_is_active (w)))
1215	return;	1392	return;
1216		1393
1217	assert (("ev_io_start called with negative fd", fd >= 0));	1394	assert (("ev_io_start called with negative fd", fd >= 0));
1218		1395
1219	ev_start (EV_A_ (W)w, 1);	1396	ev_start (EV_A_ (W)w, 1);
1220	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	1397	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1221	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1398	wlist_add ((WL *)&anfds[fd].head, (WL)w);
1222		1399
1223	fd_change (EV_A_ fd);	1400	fd_change (EV_A_ fd);
1224	}	1401	}
1225		1402
1226	void	1403	void
1227	ev_io_stop (EV_P_ struct ev_io *w)	1404	ev_io_stop (EV_P_ struct ev_io *w)
1228	{	1405	{
1229	ev_clear_pending (EV_A_ (W)w);	1406	ev_clear_pending (EV_A_ (W)w);
1230	if (!ev_is_active (w))	1407	if (expect_false (!ev_is_active (w)))
1231	return;	1408	return;
		1409
		1410	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1232		1411
1233	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1412	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
1234	ev_stop (EV_A_ (W)w);	1413	ev_stop (EV_A_ (W)w);
1235		1414
1236	fd_change (EV_A_ w->fd);	1415	fd_change (EV_A_ w->fd);
1237	}	1416	}
1238		1417
1239	void	1418	void
1240	ev_timer_start (EV_P_ struct ev_timer *w)	1419	ev_timer_start (EV_P_ struct ev_timer *w)
1241	{	1420	{
1242	if (ev_is_active (w))	1421	if (expect_false (ev_is_active (w)))
1243	return;	1422	return;
1244		1423
1245	((WT)w)->at += mn_now;	1424	((WT)w)->at += mn_now;
1246		1425
1247	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1426	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1248		1427
1249	ev_start (EV_A_ (W)w, ++timercnt);	1428	ev_start (EV_A_ (W)w, ++timercnt);
1250	array_needsize (timers, timermax, timercnt, (void));	1429	array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2);
1251	timers [timercnt - 1] = w;	1430	timers [timercnt - 1] = w;
1252	upheap ((WT *)timers, timercnt - 1);	1431	upheap ((WT *)timers, timercnt - 1);
1253		1432
1254	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1433	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1255	}	1434	}
1256		1435
1257	void	1436	void
1258	ev_timer_stop (EV_P_ struct ev_timer *w)	1437	ev_timer_stop (EV_P_ struct ev_timer *w)
1259	{	1438	{
1260	ev_clear_pending (EV_A_ (W)w);	1439	ev_clear_pending (EV_A_ (W)w);
1261	if (!ev_is_active (w))	1440	if (expect_false (!ev_is_active (w)))
1262	return;	1441	return;
1263		1442
1264	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1443	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1265		1444
1266	if (((W)w)->active < timercnt--)	1445	if (expect_true (((W)w)->active < timercnt--))
1267	{	1446	{
1268	timers [((W)w)->active - 1] = timers [timercnt];	1447	timers [((W)w)->active - 1] = timers [timercnt];
1269	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1448	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1270	}	1449	}
1271		1450
1272	((WT)w)->at = w->repeat;	1451	((WT)w)->at -= mn_now;
1273		1452
1274	ev_stop (EV_A_ (W)w);	1453	ev_stop (EV_A_ (W)w);
1275	}	1454	}
1276		1455
1277	void	1456	void
…		…
1280	if (ev_is_active (w))	1459	if (ev_is_active (w))
1281	{	1460	{
1282	if (w->repeat)	1461	if (w->repeat)
1283	{	1462	{
1284	((WT)w)->at = mn_now + w->repeat;	1463	((WT)w)->at = mn_now + w->repeat;
1285	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1464	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1286	}	1465	}
1287	else	1466	else
1288	ev_timer_stop (EV_A_ w);	1467	ev_timer_stop (EV_A_ w);
1289	}	1468	}
1290	else if (w->repeat)	1469	else if (w->repeat)
		1470	{
		1471	w->at = w->repeat;
1291	ev_timer_start (EV_A_ w);	1472	ev_timer_start (EV_A_ w);
		1473	}
1292	}	1474	}
1293		1475
		1476	#if EV_PERIODICS
1294	void	1477	void
1295	ev_periodic_start (EV_P_ struct ev_periodic *w)	1478	ev_periodic_start (EV_P_ struct ev_periodic *w)
1296	{	1479	{
1297	if (ev_is_active (w))	1480	if (expect_false (ev_is_active (w)))
1298	return;	1481	return;
1299		1482
		1483	if (w->reschedule_cb)
		1484	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
		1485	else if (w->interval)
		1486	{
1300	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1487	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 */	1488	/* 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;	1489	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
		1490	}
1305		1491
1306	ev_start (EV_A_ (W)w, ++periodiccnt);	1492	ev_start (EV_A_ (W)w, ++periodiccnt);
1307	array_needsize (periodics, periodicmax, periodiccnt, (void));	1493	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1308	periodics [periodiccnt - 1] = w;	1494	periodics [periodiccnt - 1] = w;
1309	upheap ((WT *)periodics, periodiccnt - 1);	1495	upheap ((WT *)periodics, periodiccnt - 1);
1310		1496
1311	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1497	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1312	}	1498	}
1313		1499
1314	void	1500	void
1315	ev_periodic_stop (EV_P_ struct ev_periodic *w)	1501	ev_periodic_stop (EV_P_ struct ev_periodic *w)
1316	{	1502	{
1317	ev_clear_pending (EV_A_ (W)w);	1503	ev_clear_pending (EV_A_ (W)w);
1318	if (!ev_is_active (w))	1504	if (expect_false (!ev_is_active (w)))
1319	return;	1505	return;
1320		1506
1321	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1507	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1322		1508
1323	if (((W)w)->active < periodiccnt--)	1509	if (expect_true (((W)w)->active < periodiccnt--))
1324	{	1510	{
1325	periodics [((W)w)->active - 1] = periodics [periodiccnt];	1511	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1326	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);	1512	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1327	}	1513	}
1328		1514
1329	ev_stop (EV_A_ (W)w);	1515	ev_stop (EV_A_ (W)w);
1330	}	1516	}
1331		1517
1332	void	1518	void
		1519	ev_periodic_again (EV_P_ struct ev_periodic *w)
		1520	{
		1521	/* TODO: use adjustheap and recalculation */
		1522	ev_periodic_stop (EV_A_ w);
		1523	ev_periodic_start (EV_A_ w);
		1524	}
		1525	#endif
		1526
		1527	void
1333	ev_idle_start (EV_P_ struct ev_idle *w)	1528	ev_idle_start (EV_P_ struct ev_idle *w)
1334	{	1529	{
1335	if (ev_is_active (w))	1530	if (expect_false (ev_is_active (w)))
1336	return;	1531	return;
1337		1532
1338	ev_start (EV_A_ (W)w, ++idlecnt);	1533	ev_start (EV_A_ (W)w, ++idlecnt);
1339	array_needsize (idles, idlemax, idlecnt, (void));	1534	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1340	idles [idlecnt - 1] = w;	1535	idles [idlecnt - 1] = w;
1341	}	1536	}
1342		1537
1343	void	1538	void
1344	ev_idle_stop (EV_P_ struct ev_idle *w)	1539	ev_idle_stop (EV_P_ struct ev_idle *w)
1345	{	1540	{
1346	ev_clear_pending (EV_A_ (W)w);	1541	ev_clear_pending (EV_A_ (W)w);
1347	if (ev_is_active (w))	1542	if (expect_false (!ev_is_active (w)))
1348	return;	1543	return;
1349		1544
1350	idles [((W)w)->active - 1] = idles [--idlecnt];	1545	idles [((W)w)->active - 1] = idles [--idlecnt];
1351	ev_stop (EV_A_ (W)w);	1546	ev_stop (EV_A_ (W)w);
1352	}	1547	}
1353		1548
1354	void	1549	void
1355	ev_prepare_start (EV_P_ struct ev_prepare *w)	1550	ev_prepare_start (EV_P_ struct ev_prepare *w)
1356	{	1551	{
1357	if (ev_is_active (w))	1552	if (expect_false (ev_is_active (w)))
1358	return;	1553	return;
1359		1554
1360	ev_start (EV_A_ (W)w, ++preparecnt);	1555	ev_start (EV_A_ (W)w, ++preparecnt);
1361	array_needsize (prepares, preparemax, preparecnt, (void));	1556	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1362	prepares [preparecnt - 1] = w;	1557	prepares [preparecnt - 1] = w;
1363	}	1558	}
1364		1559
1365	void	1560	void
1366	ev_prepare_stop (EV_P_ struct ev_prepare *w)	1561	ev_prepare_stop (EV_P_ struct ev_prepare *w)
1367	{	1562	{
1368	ev_clear_pending (EV_A_ (W)w);	1563	ev_clear_pending (EV_A_ (W)w);
1369	if (ev_is_active (w))	1564	if (expect_false (!ev_is_active (w)))
1370	return;	1565	return;
1371		1566
1372	prepares [((W)w)->active - 1] = prepares [--preparecnt];	1567	prepares [((W)w)->active - 1] = prepares [--preparecnt];
1373	ev_stop (EV_A_ (W)w);	1568	ev_stop (EV_A_ (W)w);
1374	}	1569	}
1375		1570
1376	void	1571	void
1377	ev_check_start (EV_P_ struct ev_check *w)	1572	ev_check_start (EV_P_ struct ev_check *w)
1378	{	1573	{
1379	if (ev_is_active (w))	1574	if (expect_false (ev_is_active (w)))
1380	return;	1575	return;
1381		1576
1382	ev_start (EV_A_ (W)w, ++checkcnt);	1577	ev_start (EV_A_ (W)w, ++checkcnt);
1383	array_needsize (checks, checkmax, checkcnt, (void));	1578	array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2);
1384	checks [checkcnt - 1] = w;	1579	checks [checkcnt - 1] = w;
1385	}	1580	}
1386		1581
1387	void	1582	void
1388	ev_check_stop (EV_P_ struct ev_check *w)	1583	ev_check_stop (EV_P_ struct ev_check *w)
1389	{	1584	{
1390	ev_clear_pending (EV_A_ (W)w);	1585	ev_clear_pending (EV_A_ (W)w);
1391	if (ev_is_active (w))	1586	if (expect_false (!ev_is_active (w)))
1392	return;	1587	return;
1393		1588
1394	checks [((W)w)->active - 1] = checks [--checkcnt];	1589	checks [((W)w)->active - 1] = checks [--checkcnt];
1395	ev_stop (EV_A_ (W)w);	1590	ev_stop (EV_A_ (W)w);
1396	}	1591	}
…		…
1401		1596
1402	void	1597	void
1403	ev_signal_start (EV_P_ struct ev_signal *w)	1598	ev_signal_start (EV_P_ struct ev_signal *w)
1404	{	1599	{
1405	#if EV_MULTIPLICITY	1600	#if EV_MULTIPLICITY
1406	assert (("signal watchers are only supported in the default loop", loop == default_loop));	1601	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1407	#endif	1602	#endif
1408	if (ev_is_active (w))	1603	if (expect_false (ev_is_active (w)))
1409	return;	1604	return;
1410		1605
1411	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1606	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1412		1607
1413	ev_start (EV_A_ (W)w, 1);	1608	ev_start (EV_A_ (W)w, 1);
1414	array_needsize (signals, signalmax, w->signum, signals_init);	1609	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1415	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1610	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1416		1611
1417	if (!((WL)w)->next)	1612	if (!((WL)w)->next)
1418	{	1613	{
1419	#if WIN32	1614	#if _WIN32
1420	signal (w->signum, sighandler);	1615	signal (w->signum, sighandler);
1421	#else	1616	#else
1422	struct sigaction sa;	1617	struct sigaction sa;
1423	sa.sa_handler = sighandler;	1618	sa.sa_handler = sighandler;
1424	sigfillset (&sa.sa_mask);	1619	sigfillset (&sa.sa_mask);
…		…
1430		1625
1431	void	1626	void
1432	ev_signal_stop (EV_P_ struct ev_signal *w)	1627	ev_signal_stop (EV_P_ struct ev_signal *w)
1433	{	1628	{
1434	ev_clear_pending (EV_A_ (W)w);	1629	ev_clear_pending (EV_A_ (W)w);
1435	if (!ev_is_active (w))	1630	if (expect_false (!ev_is_active (w)))
1436	return;	1631	return;
1437		1632
1438	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1633	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1439	ev_stop (EV_A_ (W)w);	1634	ev_stop (EV_A_ (W)w);
1440		1635
…		…
1444		1639
1445	void	1640	void
1446	ev_child_start (EV_P_ struct ev_child *w)	1641	ev_child_start (EV_P_ struct ev_child *w)
1447	{	1642	{
1448	#if EV_MULTIPLICITY	1643	#if EV_MULTIPLICITY
1449	assert (("child watchers are only supported in the default loop", loop == default_loop));	1644	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1450	#endif	1645	#endif
1451	if (ev_is_active (w))	1646	if (expect_false (ev_is_active (w)))
1452	return;	1647	return;
1453		1648
1454	ev_start (EV_A_ (W)w, 1);	1649	ev_start (EV_A_ (W)w, 1);
1455	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1650	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1456	}	1651	}
1457		1652
1458	void	1653	void
1459	ev_child_stop (EV_P_ struct ev_child *w)	1654	ev_child_stop (EV_P_ struct ev_child *w)
1460	{	1655	{
1461	ev_clear_pending (EV_A_ (W)w);	1656	ev_clear_pending (EV_A_ (W)w);
1462	if (ev_is_active (w))	1657	if (expect_false (!ev_is_active (w)))
1463	return;	1658	return;
1464		1659
1465	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1660	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1466	ev_stop (EV_A_ (W)w);	1661	ev_stop (EV_A_ (W)w);
1467	}	1662	}
…		…
1502	}	1697	}
1503		1698
1504	void	1699	void
1505	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1700	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1506	{	1701	{
1507	struct ev_once *once = ev_malloc (sizeof (struct ev_once));	1702	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1508		1703
1509	if (!once)	1704	if (expect_false (!once))
		1705	{
1510	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1706	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1511	else	1707	return;
1512	{	1708	}
		1709
1513	once->cb = cb;	1710	once->cb = cb;
1514	once->arg = arg;	1711	once->arg = arg;
1515		1712
1516	ev_watcher_init (&once->io, once_cb_io);	1713	ev_init (&once->io, once_cb_io);
1517	if (fd >= 0)	1714	if (fd >= 0)
1518	{	1715	{
1519	ev_io_set (&once->io, fd, events);	1716	ev_io_set (&once->io, fd, events);
1520	ev_io_start (EV_A_ &once->io);	1717	ev_io_start (EV_A_ &once->io);
1521	}	1718	}
1522		1719
1523	ev_watcher_init (&once->to, once_cb_to);	1720	ev_init (&once->to, once_cb_to);
1524	if (timeout >= 0.)	1721	if (timeout >= 0.)
1525	{	1722	{
1526	ev_timer_set (&once->to, timeout, 0.);	1723	ev_timer_set (&once->to, timeout, 0.);
1527	ev_timer_start (EV_A_ &once->to);	1724	ev_timer_start (EV_A_ &once->to);
1528	}
1529	}	1725	}
1530	}	1726	}
1531		1727
		1728	#ifdef __cplusplus
		1729	}
		1730	#endif
		1731

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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 1.133 by root, Fri Nov 23 11:32:22 2007 UTC

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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 1.133 by root, Fri Nov 23 11:32:22 2007 UTC