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Comparing libev/ev.c (file contents):
Revision 1.72 by root, Tue Nov 6 16:09:37 2007 UTC vs.
Revision 1.129 by root, Fri Nov 23 05:00:44 2007 UTC

…		…
26	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	26	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	27	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE	28	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	29	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30	*/	30	*/
		31
		32	#ifdef __cplusplus
		33	extern "C" {
		34	#endif
		35
31	#ifndef EV_STANDALONE	36	#ifndef EV_STANDALONE
32	# include "config.h"	37	# include "config.h"
33		38
34	# if HAVE_CLOCK_GETTIME	39	# if HAVE_CLOCK_GETTIME
		40	# ifndef EV_USE_MONOTONIC
35	# define EV_USE_MONOTONIC 1	41	# define EV_USE_MONOTONIC 1
		42	# endif
		43	# ifndef EV_USE_REALTIME
36	# define EV_USE_REALTIME 1	44	# define EV_USE_REALTIME 1
		45	# endif
		46	# else
		47	# ifndef EV_USE_MONOTONIC
		48	# define EV_USE_MONOTONIC 0
		49	# endif
		50	# ifndef EV_USE_REALTIME
		51	# define EV_USE_REALTIME 0
		52	# endif
37	# endif	53	# endif
38		54
		55	# ifndef EV_USE_SELECT
39	# if HAVE_SELECT && HAVE_SYS_SELECT_H	56	# if HAVE_SELECT && HAVE_SYS_SELECT_H
40	# define EV_USE_SELECT 1	57	# define EV_USE_SELECT 1
		58	# else
		59	# define EV_USE_SELECT 0
		60	# endif
41	# endif	61	# endif
42		62
		63	# ifndef EV_USE_POLL
43	# if HAVE_POLL && HAVE_POLL_H	64	# if HAVE_POLL && HAVE_POLL_H
44	# define EV_USE_POLL 1	65	# define EV_USE_POLL 1
		66	# else
		67	# define EV_USE_POLL 0
		68	# endif
45	# endif	69	# endif
46		70
		71	# ifndef EV_USE_EPOLL
47	# if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H	72	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
48	# define EV_USE_EPOLL 1	73	# define EV_USE_EPOLL 1
		74	# else
		75	# define EV_USE_EPOLL 0
		76	# endif
49	# endif	77	# endif
50		78
		79	# ifndef EV_USE_KQUEUE
51	# if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H	80	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H
52	# define EV_USE_KQUEUE 1	81	# define EV_USE_KQUEUE 1
		82	# else
		83	# define EV_USE_KQUEUE 0
		84	# endif
		85	# endif
		86
		87	# ifndef EV_USE_PORT
		88	# if HAVE_PORT_H && HAVE_PORT_CREATE
		89	# define EV_USE_PORT 1
		90	# else
		91	# define EV_USE_PORT 0
		92	# endif
53	# endif	93	# endif
54		94
55	#endif	95	#endif
56		96
57	#include <math.h>	97	#include <math.h>
…		…
66	#include <sys/types.h>	106	#include <sys/types.h>
67	#include <time.h>	107	#include <time.h>
68		108
69	#include <signal.h>	109	#include <signal.h>
70		110
71	#ifndef WIN32	111	#ifndef _WIN32
72	# include <unistd.h>	112	# include <unistd.h>
73	# include <sys/time.h>	113	# include <sys/time.h>
74	# include <sys/wait.h>	114	# include <sys/wait.h>
		115	#else
		116	# define WIN32_LEAN_AND_MEAN
		117	# include <windows.h>
		118	# ifndef EV_SELECT_IS_WINSOCKET
		119	# define EV_SELECT_IS_WINSOCKET 1
75	#endif	120	# endif
		121	#endif
		122
76	/**/	123	/**/
77		124
78	#ifndef EV_USE_MONOTONIC	125	#ifndef EV_USE_MONOTONIC
79	# define EV_USE_MONOTONIC 1	126	# define EV_USE_MONOTONIC 0
		127	#endif
		128
		129	#ifndef EV_USE_REALTIME
		130	# define EV_USE_REALTIME 0
80	#endif	131	#endif
81		132
82	#ifndef EV_USE_SELECT	133	#ifndef EV_USE_SELECT
83	# define EV_USE_SELECT 1	134	# define EV_USE_SELECT 1
84	#endif	135	#endif
85		136
86	#ifndef EV_USE_POLL	137	#ifndef EV_USE_POLL
87	# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */	138	# ifdef _WIN32
		139	# define EV_USE_POLL 0
		140	# else
		141	# define EV_USE_POLL 1
		142	# endif
88	#endif	143	#endif
89		144
90	#ifndef EV_USE_EPOLL	145	#ifndef EV_USE_EPOLL
91	# define EV_USE_EPOLL 0	146	# define EV_USE_EPOLL 0
92	#endif	147	#endif
93		148
94	#ifndef EV_USE_KQUEUE	149	#ifndef EV_USE_KQUEUE
95	# define EV_USE_KQUEUE 0	150	# define EV_USE_KQUEUE 0
96	#endif	151	#endif
97		152
98	#ifndef EV_USE_WIN32
99	# ifdef WIN32
100	# define EV_USE_WIN32 0 /* it does not exist, use select */
101	# undef EV_USE_SELECT
102	# define EV_USE_SELECT 1
103	# else
104	# define EV_USE_WIN32 0
105	# endif
106	#endif
107
108	#ifndef EV_USE_REALTIME	153	#ifndef EV_USE_PORT
109	# define EV_USE_REALTIME 1	154	# define EV_USE_PORT 0
110	#endif	155	#endif
111		156
112	/**/	157	/**/
113		158
114	#ifndef CLOCK_MONOTONIC	159	#ifndef CLOCK_MONOTONIC
…		…
119	#ifndef CLOCK_REALTIME	164	#ifndef CLOCK_REALTIME
120	# undef EV_USE_REALTIME	165	# undef EV_USE_REALTIME
121	# define EV_USE_REALTIME 0	166	# define EV_USE_REALTIME 0
122	#endif	167	#endif
123		168
		169	#if EV_SELECT_IS_WINSOCKET
		170	# include <winsock.h>
		171	#endif
		172
124	/**/	173	/**/
125		174
126	#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) */
127	#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) */
128	#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 */
129	/*#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 */
130		179
		180	#ifdef EV_H
		181	# include EV_H
		182	#else
131	#include "ev.h"	183	# include "ev.h"
		184	#endif
132		185
133	#if __GNUC__ >= 3	186	#if __GNUC__ >= 3
134	# define expect(expr,value) __builtin_expect ((expr),(value))	187	# define expect(expr,value) __builtin_expect ((expr),(value))
135	# define inline inline	188	# define inline static inline
136	#else	189	#else
137	# define expect(expr,value) (expr)	190	# define expect(expr,value) (expr)
138	# define inline static	191	# define inline static
139	#endif	192	#endif
140		193
…		…
142	#define expect_true(expr) expect ((expr) != 0, 1)	195	#define expect_true(expr) expect ((expr) != 0, 1)
143		196
144	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	197	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
145	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	198	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
146		199
		200	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
		201	#define EMPTY2(a,b) /* used to suppress some warnings */
		202
147	typedef struct ev_watcher *W;	203	typedef struct ev_watcher *W;
148	typedef struct ev_watcher_list *WL;	204	typedef struct ev_watcher_list *WL;
149	typedef struct ev_watcher_time *WT;	205	typedef struct ev_watcher_time *WT;
150		206
151	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	207	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
152		208
153	#if WIN32	209	#ifdef _WIN32
154	/* note: the comment below could not be substantiated, but what would I care */	210	# include "ev_win32.c"
155	/* MSDN says this is required to handle SIGFPE */
156	volatile double SIGFPE_REQ = 0.0f;
157
158	static int
159	ev_socketpair_tcp (int filedes [2])
160	{
161	struct sockaddr_in addr = { 0 };
162	int addr_size = sizeof (addr);
163	SOCKET listener;
164	SOCKET sock [2] = { -1, -1 };
165
166	if ((listener = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
167	return -1;
168
169	addr.sin_family = AF_INET;
170	addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
171	addr.sin_port = 0;
172
173	if (bind (listener, (struct sockaddr *)&addr, addr_size))
174	goto fail;
175
176	if (getsockname(listener, (struct sockaddr *)&addr, &addr_size))
177	goto fail;
178
179	if (listen (listener, 1))
180	goto fail;
181
182	if ((sock [0] = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
183	goto fail;
184
185	if (connect (sock[0], (struct sockaddr *)&addr, addr_size))
186	goto fail;
187
188	if ((sock[1] = accept (listener, 0, 0)) < 0)
189	goto fail;
190
191	closesocket (listener);
192
193	filedes [0] = sock [0];
194	filedes [1] = sock [1];
195
196	return 0;
197
198	fail:
199	closesocket (listener);
200
201	if (sock [0] != INVALID_SOCKET) closesocket (sock [0]);
202	if (sock [1] != INVALID_SOCKET) closesocket (sock [1]);
203
204	return -1;
205	}
206
207	# define ev_pipe(filedes) ev_socketpair_tcp (filedes)
208	#else
209	# define ev_pipe(filedes) pipe (filedes)
210	#endif	211	#endif
211		212
212	/*****************************************************************************/	213	/*****************************************************************************/
213		214
214	static void (*syserr_cb)(const char *msg);	215	static void (*syserr_cb)(const char *msg);
…		…
262	typedef struct	263	typedef struct
263	{	264	{
264	WL head;	265	WL head;
265	unsigned char events;	266	unsigned char events;
266	unsigned char reify;	267	unsigned char reify;
		268	#if EV_SELECT_IS_WINSOCKET
		269	SOCKET handle;
		270	#endif
267	} ANFD;	271	} ANFD;
268		272
269	typedef struct	273	typedef struct
270	{	274	{
271	W w;	275	W w;
272	int events;	276	int events;
273	} ANPENDING;	277	} ANPENDING;
274		278
275	#if EV_MULTIPLICITY	279	#if EV_MULTIPLICITY
276		280
277	struct ev_loop	281	struct ev_loop
278	{	282	{
		283	ev_tstamp ev_rt_now;
		284	#define ev_rt_now ((loop)->ev_rt_now)
279	# define VAR(name,decl) decl;	285	#define VAR(name,decl) decl;
280	# include "ev_vars.h"	286	#include "ev_vars.h"
281	};
282	# undef VAR	287	#undef VAR
		288	};
283	# 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;
284		293
285	#else	294	#else
286		295
		296	ev_tstamp ev_rt_now;
287	# define VAR(name,decl) static decl;	297	#define VAR(name,decl) static decl;
288	# include "ev_vars.h"	298	#include "ev_vars.h"
289	# undef VAR	299	#undef VAR
		300
		301	static int ev_default_loop_ptr;
290		302
291	#endif	303	#endif
292		304
293	/*****************************************************************************/	305	/*****************************************************************************/
294		306
295	inline ev_tstamp	307	ev_tstamp
296	ev_time (void)	308	ev_time (void)
297	{	309	{
298	#if EV_USE_REALTIME	310	#if EV_USE_REALTIME
299	struct timespec ts;	311	struct timespec ts;
300	clock_gettime (CLOCK_REALTIME, &ts);	312	clock_gettime (CLOCK_REALTIME, &ts);
…		…
319	#endif	331	#endif
320		332
321	return ev_time ();	333	return ev_time ();
322	}	334	}
323		335
		336	#if EV_MULTIPLICITY
324	ev_tstamp	337	ev_tstamp
325	ev_now (EV_P)	338	ev_now (EV_P)
326	{	339	{
327	return rt_now;	340	return ev_rt_now;
328	}	341	}
		342	#endif
329		343
330	#define array_roundsize(base,n) ((n) | 4 & ~3)	344	#define array_roundsize(type,n) (((n) | 4) & ~3)
331		345
332	#define array_needsize(base,cur,cnt,init) \	346	#define array_needsize(type,base,cur,cnt,init) \
333	if (expect_false ((cnt) > cur)) \	347	if (expect_false ((cnt) > cur)) \
334	{ \	348	{ \
335	int newcnt = cur; \	349	int newcnt = cur; \
336	do \	350	do \
337	{ \	351	{ \
338	newcnt = array_roundsize (base, newcnt << 1); \	352	newcnt = array_roundsize (type, newcnt << 1); \
339	} \	353	} \
340	while ((cnt) > newcnt); \	354	while ((cnt) > newcnt); \
341	\	355	\
342	base = ev_realloc (base, sizeof (*base) * (newcnt)); \	356	base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\
343	init (base + cur, newcnt - cur); \	357	init (base + cur, newcnt - cur); \
344	cur = newcnt; \	358	cur = newcnt; \
345	}	359	}
346		360
347	#define array_slim(stem) \	361	#define array_slim(type,stem) \
348	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	362	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
349	{ \	363	{ \
350	stem ## max = array_roundsize (stem ## cnt >> 1); \	364	stem ## max = array_roundsize (stem ## cnt >> 1); \
351	base = ev_realloc (base, sizeof (*base) * (stem ## max)); \	365	base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\
352	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\	366	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\
353	}	367	}
354
355	/* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */
356	/* bringing us everlasting joy in form of stupid extra macros that are not required in C */
357	#define array_free_microshit(stem) \
358	ev_free (stem ## s); stem ## cnt = stem ## max = 0;
359		368
360	#define array_free(stem, idx) \	369	#define array_free(stem, idx) \
361	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;
362		371
363	/*****************************************************************************/	372	/*****************************************************************************/
…		…
373		382
374	++base;	383	++base;
375	}	384	}
376	}	385	}
377		386
378	static void	387	void
379	event (EV_P_ W w, int events)	388	ev_feed_event (EV_P_ void *w, int revents)
380	{	389	{
381	if (w->pending)	390	W w_ = (W)w;
		391
		392	if (expect_false (w_->pending))
382	{	393	{
383	pendings [ABSPRI (w)][w->pending - 1].events |= events;	394	pendings [ABSPRI (w_)][w_->pending - 1].events |= revents;
384	return;	395	return;
385	}	396	}
386		397
387	w->pending = ++pendingcnt [ABSPRI (w)];	398	w_->pending = ++pendingcnt [ABSPRI (w_)];
388	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);
389	pendings [ABSPRI (w)][w->pending - 1].w = w;	400	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
390	pendings [ABSPRI (w)][w->pending - 1].events = events;	401	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
391	}	402	}
392		403
393	static void	404	static void
394	queue_events (EV_P_ W *events, int eventcnt, int type)	405	queue_events (EV_P_ W *events, int eventcnt, int type)
395	{	406	{
396	int i;	407	int i;
397		408
398	for (i = 0; i < eventcnt; ++i)	409	for (i = 0; i < eventcnt; ++i)
399	event (EV_A_ events [i], type);	410	ev_feed_event (EV_A_ events [i], type);
400	}	411	}
401		412
402	static void	413	inline void
403	fd_event (EV_P_ int fd, int events)	414	fd_event (EV_P_ int fd, int revents)
404	{	415	{
405	ANFD *anfd = anfds + fd;	416	ANFD *anfd = anfds + fd;
406	struct ev_io *w;	417	struct ev_io *w;
407		418
408	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)
409	{	420	{
410	int ev = w->events & events;	421	int ev = w->events & revents;
411		422
412	if (ev)	423	if (ev)
413	event (EV_A_ (W)w, ev);	424	ev_feed_event (EV_A_ (W)w, ev);
414	}	425	}
		426	}
		427
		428	void
		429	ev_feed_fd_event (EV_P_ int fd, int revents)
		430	{
		431	fd_event (EV_A_ fd, revents);
415	}	432	}
416		433
417	/*****************************************************************************/	434	/*****************************************************************************/
418		435
419	static void	436	inline void
420	fd_reify (EV_P)	437	fd_reify (EV_P)
421	{	438	{
422	int i;	439	int i;
423		440
424	for (i = 0; i < fdchangecnt; ++i)	441	for (i = 0; i < fdchangecnt; ++i)
…		…
430	int events = 0;	447	int events = 0;
431		448
432	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)
433	events |= w->events;	450	events |= w->events;
434		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
435	anfd->reify = 0;	461	anfd->reify = 0;
436		462
437	method_modify (EV_A_ fd, anfd->events, events);	463	method_modify (EV_A_ fd, anfd->events, events);
438	anfd->events = events;	464	anfd->events = events;
439	}	465	}
…		…
442	}	468	}
443		469
444	static void	470	static void
445	fd_change (EV_P_ int fd)	471	fd_change (EV_P_ int fd)
446	{	472	{
447	if (anfds [fd].reify)	473	if (expect_false (anfds [fd].reify))
448	return;	474	return;
449		475
450	anfds [fd].reify = 1;	476	anfds [fd].reify = 1;
451		477
452	++fdchangecnt;	478	++fdchangecnt;
453	array_needsize (fdchanges, fdchangemax, fdchangecnt, (void));	479	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
454	fdchanges [fdchangecnt - 1] = fd;	480	fdchanges [fdchangecnt - 1] = fd;
455	}	481	}
456		482
457	static void	483	static void
458	fd_kill (EV_P_ int fd)	484	fd_kill (EV_P_ int fd)
…		…
460	struct ev_io *w;	486	struct ev_io *w;
461		487
462	while ((w = (struct ev_io *)anfds [fd].head))	488	while ((w = (struct ev_io *)anfds [fd].head))
463	{	489	{
464	ev_io_stop (EV_A_ w);	490	ev_io_stop (EV_A_ w);
465	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);
466	}	492	}
467	}	493	}
468		494
469	static int	495	inline int
470	fd_valid (int fd)	496	fd_valid (int fd)
471	{	497	{
472	#ifdef WIN32	498	#ifdef _WIN32
473	return !!win32_get_osfhandle (fd);	499	return _get_osfhandle (fd) != -1;
474	#else	500	#else
475	return fcntl (fd, F_GETFD) != -1;	501	return fcntl (fd, F_GETFD) != -1;
476	#endif	502	#endif
477	}	503	}
478		504
…		…
558		584
559	heap [k] = w;	585	heap [k] = w;
560	((W)heap [k])->active = k + 1;	586	((W)heap [k])->active = k + 1;
561	}	587	}
562		588
		589	inline void
		590	adjustheap (WT *heap, int N, int k)
		591	{
		592	upheap (heap, k);
		593	downheap (heap, N, k);
		594	}
		595
563	/*****************************************************************************/	596	/*****************************************************************************/
564		597
565	typedef struct	598	typedef struct
566	{	599	{
567	WL head;	600	WL head;
…		…
588	}	621	}
589		622
590	static void	623	static void
591	sighandler (int signum)	624	sighandler (int signum)
592	{	625	{
593	#if WIN32	626	#if _WIN32
594	signal (signum, sighandler);	627	signal (signum, sighandler);
595	#endif	628	#endif
596		629
597	signals [signum - 1].gotsig = 1;	630	signals [signum - 1].gotsig = 1;
598		631
…		…
603	write (sigpipe [1], &signum, 1);	636	write (sigpipe [1], &signum, 1);
604	errno = old_errno;	637	errno = old_errno;
605	}	638	}
606	}	639	}
607		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
608	static void	661	static void
609	sigcb (EV_P_ struct ev_io *iow, int revents)	662	sigcb (EV_P_ struct ev_io *iow, int revents)
610	{	663	{
611	WL w;
612	int signum;	664	int signum;
613		665
614	read (sigpipe [0], &revents, 1);	666	read (sigpipe [0], &revents, 1);
615	gotsig = 0;	667	gotsig = 0;
616		668
617	for (signum = signalmax; signum--; )	669	for (signum = signalmax; signum--; )
618	if (signals [signum].gotsig)	670	if (signals [signum].gotsig)
619	{	671	ev_feed_signal_event (EV_A_ signum + 1);
620	signals [signum].gotsig = 0;	672	}
621		673
622	for (w = signals [signum].head; w; w = w->next)	674	static void
623	event (EV_A_ (W)w, EV_SIGNAL);	675	fd_intern (int fd)
624	}	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
625	}	684	}
626		685
627	static void	686	static void
628	siginit (EV_P)	687	siginit (EV_P)
629	{	688	{
630	#ifndef WIN32	689	fd_intern (sigpipe [0]);
631	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	690	fd_intern (sigpipe [1]);
632	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
633
634	/* rather than sort out wether we really need nb, set it */
635	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
636	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
637	#endif
638		691
639	ev_io_set (&sigev, sigpipe [0], EV_READ);	692	ev_io_set (&sigev, sigpipe [0], EV_READ);
640	ev_io_start (EV_A_ &sigev);	693	ev_io_start (EV_A_ &sigev);
641	ev_unref (EV_A); /* child watcher should not keep loop alive */	694	ev_unref (EV_A); /* child watcher should not keep loop alive */
642	}	695	}
643		696
644	/*****************************************************************************/	697	/*****************************************************************************/
645		698
646	static struct ev_child *childs [PID_HASHSIZE];	699	static struct ev_child *childs [PID_HASHSIZE];
647		700
648	#ifndef WIN32	701	#ifndef _WIN32
649		702
650	static struct ev_signal childev;	703	static struct ev_signal childev;
651		704
652	#ifndef WCONTINUED	705	#ifndef WCONTINUED
653	# define WCONTINUED 0	706	# define WCONTINUED 0
…		…
662	if (w->pid == pid || !w->pid)	715	if (w->pid == pid || !w->pid)
663	{	716	{
664	ev_priority (w) = ev_priority (sw); /* need to do it *now* */	717	ev_priority (w) = ev_priority (sw); /* need to do it *now* */
665	w->rpid = pid;	718	w->rpid = pid;
666	w->rstatus = status;	719	w->rstatus = status;
667	event (EV_A_ (W)w, EV_CHILD);	720	ev_feed_event (EV_A_ (W)w, EV_CHILD);
668	}	721	}
669	}	722	}
670		723
671	static void	724	static void
672	childcb (EV_P_ struct ev_signal *sw, int revents)	725	childcb (EV_P_ struct ev_signal *sw, int revents)
…		…
674	int pid, status;	727	int pid, status;
675		728
676	if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED)))	729	if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED)))
677	{	730	{
678	/* 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 */
679	event (EV_A_ (W)sw, EV_SIGNAL);	732	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
680		733
681	child_reap (EV_A_ sw, pid, pid, status);	734	child_reap (EV_A_ sw, pid, pid, status);
682	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */	735	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
683	}	736	}
684	}	737	}
685		738
686	#endif	739	#endif
687		740
688	/*****************************************************************************/	741	/*****************************************************************************/
689		742
		743	#if EV_USE_PORT
		744	# include "ev_port.c"
		745	#endif
690	#if EV_USE_KQUEUE	746	#if EV_USE_KQUEUE
691	# include "ev_kqueue.c"	747	# include "ev_kqueue.c"
692	#endif	748	#endif
693	#if EV_USE_EPOLL	749	#if EV_USE_EPOLL
694	# include "ev_epoll.c"	750	# include "ev_epoll.c"
…		…
714		770
715	/* return true if we are running with elevated privileges and should ignore env variables */	771	/* return true if we are running with elevated privileges and should ignore env variables */
716	static int	772	static int
717	enable_secure (void)	773	enable_secure (void)
718	{	774	{
719	#ifdef WIN32	775	#ifdef _WIN32
720	return 0;	776	return 0;
721	#else	777	#else
722	return getuid () != geteuid ()	778	return getuid () != geteuid ()
723	|| getgid () != getegid ();	779	|| getgid () != getegid ();
724	#endif	780	#endif
725	}	781	}
726		782
727	int	783	unsigned int
728	ev_method (EV_P)	784	ev_supported_backends (void)
729	{	785	{
730	return method;
731	}	786	}
732		787
		788	unsigned int
		789	ev_recommended_backends (void)
		790	{
		791	unsigned int flags;
		792
		793	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
		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_backend (EV_P)
		804	{
		805	unsigned int flags = ev_recommended_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
733	static void	820	static void
734	loop_init (EV_P_ int methods)	821	loop_init (EV_P_ unsigned int flags)
735	{	822	{
736	if (!method)	823	if (!method)
737	{	824	{
738	#if EV_USE_MONOTONIC	825	#if EV_USE_MONOTONIC
739	{	826	{
…		…
741	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	828	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
742	have_monotonic = 1;	829	have_monotonic = 1;
743	}	830	}
744	#endif	831	#endif
745		832
746	rt_now = ev_time ();	833	ev_rt_now = ev_time ();
747	mn_now = get_clock ();	834	mn_now = get_clock ();
748	now_floor = mn_now;	835	now_floor = mn_now;
749	rtmn_diff = rt_now - mn_now;	836	rtmn_diff = ev_rt_now - mn_now;
750		837
751	if (methods == EVMETHOD_AUTO)	838	if (!(flags & EVFLAG_NOENV)
752	if (!enable_secure () && getenv ("LIBEV_METHODS"))	839	&& !enable_secure ()
		840	&& getenv ("LIBEV_FLAGS"))
753	methods = atoi (getenv ("LIBEV_METHODS"));	841	flags = atoi (getenv ("LIBEV_FLAGS"));
754	else	842
755	methods = EVMETHOD_ANY;	843	if (!(flags & 0x0000ffffUL))
		844	flags |= ev_recommended_backends ();
756		845
757	method = 0;	846	method = 0;
758	#if EV_USE_WIN32	847	#if EV_USE_PORT
759	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);	848	if (!method && (flags & EVBACKEND_PORT )) method = port_init (EV_A_ flags);
760	#endif	849	#endif
761	#if EV_USE_KQUEUE	850	#if EV_USE_KQUEUE
762	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	851	if (!method && (flags & EVBACKEND_KQUEUE)) method = kqueue_init (EV_A_ flags);
763	#endif	852	#endif
764	#if EV_USE_EPOLL	853	#if EV_USE_EPOLL
765	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	854	if (!method && (flags & EVBACKEND_EPOLL )) method = epoll_init (EV_A_ flags);
766	#endif	855	#endif
767	#if EV_USE_POLL	856	#if EV_USE_POLL
768	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	857	if (!method && (flags & EVBACKEND_POLL )) method = poll_init (EV_A_ flags);
769	#endif	858	#endif
770	#if EV_USE_SELECT	859	#if EV_USE_SELECT
771	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	860	if (!method && (flags & EVBACKEND_SELECT)) method = select_init (EV_A_ flags);
772	#endif	861	#endif
773		862
774	ev_watcher_init (&sigev, sigcb);	863	ev_init (&sigev, sigcb);
775	ev_set_priority (&sigev, EV_MAXPRI);	864	ev_set_priority (&sigev, EV_MAXPRI);
776	}	865	}
777	}	866	}
778		867
779	void	868	static void
780	loop_destroy (EV_P)	869	loop_destroy (EV_P)
781	{	870	{
782	int i;	871	int i;
783		872
784	#if EV_USE_WIN32	873	#if EV_USE_PORT
785	if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);	874	if (method == EVBACKEND_PORT ) port_destroy (EV_A);
786	#endif	875	#endif
787	#if EV_USE_KQUEUE	876	#if EV_USE_KQUEUE
788	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);	877	if (method == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
789	#endif	878	#endif
790	#if EV_USE_EPOLL	879	#if EV_USE_EPOLL
791	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);	880	if (method == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
792	#endif	881	#endif
793	#if EV_USE_POLL	882	#if EV_USE_POLL
794	if (method == EVMETHOD_POLL ) poll_destroy (EV_A);	883	if (method == EVBACKEND_POLL ) poll_destroy (EV_A);
795	#endif	884	#endif
796	#if EV_USE_SELECT	885	#if EV_USE_SELECT
797	if (method == EVMETHOD_SELECT) select_destroy (EV_A);	886	if (method == EVBACKEND_SELECT) select_destroy (EV_A);
798	#endif	887	#endif
799		888
800	for (i = NUMPRI; i--; )	889	for (i = NUMPRI; i--; )
801	array_free (pending, [i]);	890	array_free (pending, [i]);
802		891
803	/* have to use the microsoft-never-gets-it-right macro */	892	/* have to use the microsoft-never-gets-it-right macro */
804	array_free_microshit (fdchange);	893	array_free (fdchange, EMPTY0);
805	array_free_microshit (timer);	894	array_free (timer, EMPTY0);
806	array_free_microshit (periodic);	895	#if EV_PERIODICS
807	array_free_microshit (idle);	896	array_free (periodic, EMPTY0);
808	array_free_microshit (prepare);	897	#endif
809	array_free_microshit (check);	898	array_free (idle, EMPTY0);
		899	array_free (prepare, EMPTY0);
		900	array_free (check, EMPTY0);
810		901
811	method = 0;	902	method = 0;
812	}	903	}
813		904
814	static void	905	static void
815	loop_fork (EV_P)	906	loop_fork (EV_P)
816	{	907	{
		908	#if EV_USE_PORT
		909	if (method == EVBACKEND_PORT ) port_fork (EV_A);
		910	#endif
		911	#if EV_USE_KQUEUE
		912	if (method == EVBACKEND_KQUEUE) kqueue_fork (EV_A);
		913	#endif
817	#if EV_USE_EPOLL	914	#if EV_USE_EPOLL
818	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);	915	if (method == EVBACKEND_EPOLL ) epoll_fork (EV_A);
819	#endif
820	#if EV_USE_KQUEUE
821	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
822	#endif	916	#endif
823		917
824	if (ev_is_active (&sigev))	918	if (ev_is_active (&sigev))
825	{	919	{
826	/* default loop */	920	/* default loop */
…		…
828	ev_ref (EV_A);	922	ev_ref (EV_A);
829	ev_io_stop (EV_A_ &sigev);	923	ev_io_stop (EV_A_ &sigev);
830	close (sigpipe [0]);	924	close (sigpipe [0]);
831	close (sigpipe [1]);	925	close (sigpipe [1]);
832		926
833	while (ev_pipe (sigpipe))	927	while (pipe (sigpipe))
834	syserr ("(libev) error creating pipe");	928	syserr ("(libev) error creating pipe");
835		929
836	siginit (EV_A);	930	siginit (EV_A);
837	}	931	}
838		932
839	postfork = 0;	933	postfork = 0;
840	}	934	}
841		935
842	#if EV_MULTIPLICITY	936	#if EV_MULTIPLICITY
843	struct ev_loop *	937	struct ev_loop *
844	ev_loop_new (int methods)	938	ev_loop_new (unsigned int flags)
845	{	939	{
846	struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	940	struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
847		941
848	memset (loop, 0, sizeof (struct ev_loop));	942	memset (loop, 0, sizeof (struct ev_loop));
849		943
850	loop_init (EV_A_ methods);	944	loop_init (EV_A_ flags);
851		945
852	if (ev_method (EV_A))	946	if (ev_method (EV_A))
853	return loop;	947	return loop;
854		948
855	return 0;	949	return 0;
…		…
869	}	963	}
870		964
871	#endif	965	#endif
872		966
873	#if EV_MULTIPLICITY	967	#if EV_MULTIPLICITY
874	struct ev_loop default_loop_struct;
875	static struct ev_loop *default_loop;
876
877	struct ev_loop *	968	struct ev_loop *
		969	ev_default_loop_init (unsigned int flags)
878	#else	970	#else
879	static int default_loop;
880
881	int	971	int
		972	ev_default_loop (unsigned int flags)
882	#endif	973	#endif
883	ev_default_loop (int methods)
884	{	974	{
885	if (sigpipe [0] == sigpipe [1])	975	if (sigpipe [0] == sigpipe [1])
886	if (ev_pipe (sigpipe))	976	if (pipe (sigpipe))
887	return 0;	977	return 0;
888		978
889	if (!default_loop)	979	if (!ev_default_loop_ptr)
890	{	980	{
891	#if EV_MULTIPLICITY	981	#if EV_MULTIPLICITY
892	struct ev_loop *loop = default_loop = &default_loop_struct;	982	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
893	#else	983	#else
894	default_loop = 1;	984	ev_default_loop_ptr = 1;
895	#endif	985	#endif
896		986
897	loop_init (EV_A_ methods);	987	loop_init (EV_A_ flags);
898		988
899	if (ev_method (EV_A))	989	if (ev_method (EV_A))
900	{	990	{
901	siginit (EV_A);	991	siginit (EV_A);
902		992
903	#ifndef WIN32	993	#ifndef _WIN32
904	ev_signal_init (&childev, childcb, SIGCHLD);	994	ev_signal_init (&childev, childcb, SIGCHLD);
905	ev_set_priority (&childev, EV_MAXPRI);	995	ev_set_priority (&childev, EV_MAXPRI);
906	ev_signal_start (EV_A_ &childev);	996	ev_signal_start (EV_A_ &childev);
907	ev_unref (EV_A); /* child watcher should not keep loop alive */	997	ev_unref (EV_A); /* child watcher should not keep loop alive */
908	#endif	998	#endif
909	}	999	}
910	else	1000	else
911	default_loop = 0;	1001	ev_default_loop_ptr = 0;
912	}	1002	}
913		1003
914	return default_loop;	1004	return ev_default_loop_ptr;
915	}	1005	}
916		1006
917	void	1007	void
918	ev_default_destroy (void)	1008	ev_default_destroy (void)
919	{	1009	{
920	#if EV_MULTIPLICITY	1010	#if EV_MULTIPLICITY
921	struct ev_loop *loop = default_loop;	1011	struct ev_loop *loop = ev_default_loop_ptr;
922	#endif	1012	#endif
923		1013
924	#ifndef WIN32	1014	#ifndef _WIN32
925	ev_ref (EV_A); /* child watcher */	1015	ev_ref (EV_A); /* child watcher */
926	ev_signal_stop (EV_A_ &childev);	1016	ev_signal_stop (EV_A_ &childev);
927	#endif	1017	#endif
928		1018
929	ev_ref (EV_A); /* signal watcher */	1019	ev_ref (EV_A); /* signal watcher */
…		…
937		1027
938	void	1028	void
939	ev_default_fork (void)	1029	ev_default_fork (void)
940	{	1030	{
941	#if EV_MULTIPLICITY	1031	#if EV_MULTIPLICITY
942	struct ev_loop *loop = default_loop;	1032	struct ev_loop *loop = ev_default_loop_ptr;
943	#endif	1033	#endif
944		1034
945	if (method)	1035	if (method)
946	postfork = 1;	1036	postfork = 1;
947	}	1037	}
948		1038
949	/*****************************************************************************/	1039	/*****************************************************************************/
950		1040
951	static void	1041	static int
		1042	any_pending (EV_P)
		1043	{
		1044	int pri;
		1045
		1046	for (pri = NUMPRI; pri--; )
		1047	if (pendingcnt [pri])
		1048	return 1;
		1049
		1050	return 0;
		1051	}
		1052
		1053	inline void
952	call_pending (EV_P)	1054	call_pending (EV_P)
953	{	1055	{
954	int pri;	1056	int pri;
955		1057
956	for (pri = NUMPRI; pri--; )	1058	for (pri = NUMPRI; pri--; )
957	while (pendingcnt [pri])	1059	while (pendingcnt [pri])
958	{	1060	{
959	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1061	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
960		1062
961	if (p->w)	1063	if (expect_true (p->w))
962	{	1064	{
963	p->w->pending = 0;	1065	p->w->pending = 0;
964	p->w->cb (EV_A_ p->w, p->events);	1066	EV_CB_INVOKE (p->w, p->events);
965	}	1067	}
966	}	1068	}
967	}	1069	}
968		1070
969	static void	1071	inline void
970	timers_reify (EV_P)	1072	timers_reify (EV_P)
971	{	1073	{
972	while (timercnt && ((WT)timers [0])->at <= mn_now)	1074	while (timercnt && ((WT)timers [0])->at <= mn_now)
973	{	1075	{
974	struct ev_timer *w = timers [0];	1076	struct ev_timer *w = timers [0];
…		…
977		1079
978	/* first reschedule or stop timer */	1080	/* first reschedule or stop timer */
979	if (w->repeat)	1081	if (w->repeat)
980	{	1082	{
981	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1083	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
		1084
982	((WT)w)->at = mn_now + w->repeat;	1085	((WT)w)->at += w->repeat;
		1086	if (((WT)w)->at < mn_now)
		1087	((WT)w)->at = mn_now;
		1088
983	downheap ((WT *)timers, timercnt, 0);	1089	downheap ((WT *)timers, timercnt, 0);
984	}	1090	}
985	else	1091	else
986	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1092	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
987		1093
988	event (EV_A_ (W)w, EV_TIMEOUT);	1094	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
989	}	1095	}
990	}	1096	}
991		1097
992	static void	1098	#if EV_PERIODICS
		1099	inline void
993	periodics_reify (EV_P)	1100	periodics_reify (EV_P)
994	{	1101	{
995	while (periodiccnt && ((WT)periodics [0])->at <= rt_now)	1102	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
996	{	1103	{
997	struct ev_periodic *w = periodics [0];	1104	struct ev_periodic *w = periodics [0];
998		1105
999	assert (("inactive timer on periodic heap detected", ev_is_active (w)));	1106	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
1000		1107
1001	/* first reschedule or stop timer */	1108	/* first reschedule or stop timer */
1002	if (w->interval)	1109	if (w->reschedule_cb)
1003	{	1110	{
		1111	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
		1112	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
		1113	downheap ((WT *)periodics, periodiccnt, 0);
		1114	}
		1115	else if (w->interval)
		1116	{
1004	((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;	1117	((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
1005	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now));	1118	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
1006	downheap ((WT *)periodics, periodiccnt, 0);	1119	downheap ((WT *)periodics, periodiccnt, 0);
1007	}	1120	}
1008	else	1121	else
1009	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1122	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1010		1123
1011	event (EV_A_ (W)w, EV_PERIODIC);	1124	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1012	}	1125	}
1013	}	1126	}
1014		1127
1015	static void	1128	static void
1016	periodics_reschedule (EV_P)	1129	periodics_reschedule (EV_P)
…		…
1020	/* adjust periodics after time jump */	1133	/* adjust periodics after time jump */
1021	for (i = 0; i < periodiccnt; ++i)	1134	for (i = 0; i < periodiccnt; ++i)
1022	{	1135	{
1023	struct ev_periodic *w = periodics [i];	1136	struct ev_periodic *w = periodics [i];
1024		1137
		1138	if (w->reschedule_cb)
		1139	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1025	if (w->interval)	1140	else if (w->interval)
1026	{
1027	ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;	1141	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
1028
1029	if (fabs (diff) >= 1e-4)
1030	{
1031	ev_periodic_stop (EV_A_ w);
1032	ev_periodic_start (EV_A_ w);
1033
1034	i = 0; /* restart loop, inefficient, but time jumps should be rare */
1035	}
1036	}
1037	}	1142	}
		1143
		1144	/* now rebuild the heap */
		1145	for (i = periodiccnt >> 1; i--; )
		1146	downheap ((WT *)periodics, periodiccnt, i);
1038	}	1147	}
		1148	#endif
1039		1149
1040	inline int	1150	inline int
1041	time_update_monotonic (EV_P)	1151	time_update_monotonic (EV_P)
1042	{	1152	{
1043	mn_now = get_clock ();	1153	mn_now = get_clock ();
1044		1154
1045	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1155	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
1046	{	1156	{
1047	rt_now = rtmn_diff + mn_now;	1157	ev_rt_now = rtmn_diff + mn_now;
1048	return 0;	1158	return 0;
1049	}	1159	}
1050	else	1160	else
1051	{	1161	{
1052	now_floor = mn_now;	1162	now_floor = mn_now;
1053	rt_now = ev_time ();	1163	ev_rt_now = ev_time ();
1054	return 1;	1164	return 1;
1055	}	1165	}
1056	}	1166	}
1057		1167
1058	static void	1168	inline void
1059	time_update (EV_P)	1169	time_update (EV_P)
1060	{	1170	{
1061	int i;	1171	int i;
1062		1172
1063	#if EV_USE_MONOTONIC	1173	#if EV_USE_MONOTONIC
…		…
1067	{	1177	{
1068	ev_tstamp odiff = rtmn_diff;	1178	ev_tstamp odiff = rtmn_diff;
1069		1179
1070	for (i = 4; --i; ) /* loop a few times, before making important decisions */	1180	for (i = 4; --i; ) /* loop a few times, before making important decisions */
1071	{	1181	{
1072	rtmn_diff = rt_now - mn_now;	1182	rtmn_diff = ev_rt_now - mn_now;
1073		1183
1074	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1184	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
1075	return; /* all is well */	1185	return; /* all is well */
1076		1186
1077	rt_now = ev_time ();	1187	ev_rt_now = ev_time ();
1078	mn_now = get_clock ();	1188	mn_now = get_clock ();
1079	now_floor = mn_now;	1189	now_floor = mn_now;
1080	}	1190	}
1081		1191
		1192	# if EV_PERIODICS
1082	periodics_reschedule (EV_A);	1193	periodics_reschedule (EV_A);
		1194	# endif
1083	/* no timer adjustment, as the monotonic clock doesn't jump */	1195	/* no timer adjustment, as the monotonic clock doesn't jump */
1084	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */	1196	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1085	}	1197	}
1086	}	1198	}
1087	else	1199	else
1088	#endif	1200	#endif
1089	{	1201	{
1090	rt_now = ev_time ();	1202	ev_rt_now = ev_time ();
1091		1203
1092	if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1204	if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
1093	{	1205	{
		1206	#if EV_PERIODICS
1094	periodics_reschedule (EV_A);	1207	periodics_reschedule (EV_A);
		1208	#endif
1095		1209
1096	/* adjust timers. this is easy, as the offset is the same for all */	1210	/* adjust timers. this is easy, as the offset is the same for all */
1097	for (i = 0; i < timercnt; ++i)	1211	for (i = 0; i < timercnt; ++i)
1098	((WT)timers [i])->at += rt_now - mn_now;	1212	((WT)timers [i])->at += ev_rt_now - mn_now;
1099	}	1213	}
1100		1214
1101	mn_now = rt_now;	1215	mn_now = ev_rt_now;
1102	}	1216	}
1103	}	1217	}
1104		1218
1105	void	1219	void
1106	ev_ref (EV_P)	1220	ev_ref (EV_P)
…		…
1120	ev_loop (EV_P_ int flags)	1234	ev_loop (EV_P_ int flags)
1121	{	1235	{
1122	double block;	1236	double block;
1123	loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0;	1237	loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0;
1124		1238
1125	do	1239	while (activecnt)
1126	{	1240	{
1127	/* queue check watchers (and execute them) */	1241	/* queue check watchers (and execute them) */
1128	if (expect_false (preparecnt))	1242	if (expect_false (preparecnt))
1129	{	1243	{
1130	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1244	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
…		…
1138	/* update fd-related kernel structures */	1252	/* update fd-related kernel structures */
1139	fd_reify (EV_A);	1253	fd_reify (EV_A);
1140		1254
1141	/* calculate blocking time */	1255	/* calculate blocking time */
1142		1256
1143	/* we only need this for !monotonic clockor timers, but as we basically	1257	/* we only need this for !monotonic clock or timers, but as we basically
1144	always have timers, we just calculate it always */	1258	always have timers, we just calculate it always */
1145	#if EV_USE_MONOTONIC	1259	#if EV_USE_MONOTONIC
1146	if (expect_true (have_monotonic))	1260	if (expect_true (have_monotonic))
1147	time_update_monotonic (EV_A);	1261	time_update_monotonic (EV_A);
1148	else	1262	else
1149	#endif	1263	#endif
1150	{	1264	{
1151	rt_now = ev_time ();	1265	ev_rt_now = ev_time ();
1152	mn_now = rt_now;	1266	mn_now = ev_rt_now;
1153	}	1267	}
1154		1268
1155	if (flags & EVLOOP_NONBLOCK || idlecnt)	1269	if (flags & EVLOOP_NONBLOCK || idlecnt)
1156	block = 0.;	1270	block = 0.;
1157	else	1271	else
…		…
1162	{	1276	{
1163	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;	1277	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
1164	if (block > to) block = to;	1278	if (block > to) block = to;
1165	}	1279	}
1166		1280
		1281	#if EV_PERIODICS
1167	if (periodiccnt)	1282	if (periodiccnt)
1168	{	1283	{
1169	ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;	1284	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
1170	if (block > to) block = to;	1285	if (block > to) block = to;
1171	}	1286	}
		1287	#endif
1172		1288
1173	if (block < 0.) block = 0.;	1289	if (expect_false (block < 0.)) block = 0.;
1174	}	1290	}
1175		1291
1176	method_poll (EV_A_ block);	1292	method_poll (EV_A_ block);
1177		1293
1178	/* update rt_now, do magic */	1294	/* update ev_rt_now, do magic */
1179	time_update (EV_A);	1295	time_update (EV_A);
1180		1296
1181	/* queue pending timers and reschedule them */	1297	/* queue pending timers and reschedule them */
1182	timers_reify (EV_A); /* relative timers called last */	1298	timers_reify (EV_A); /* relative timers called last */
		1299	#if EV_PERIODICS
1183	periodics_reify (EV_A); /* absolute timers called first */	1300	periodics_reify (EV_A); /* absolute timers called first */
		1301	#endif
1184		1302
1185	/* queue idle watchers unless io or timers are pending */	1303	/* queue idle watchers unless io or timers are pending */
1186	if (!pendingcnt)	1304	if (idlecnt && !any_pending (EV_A))
1187	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1305	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
1188		1306
1189	/* queue check watchers, to be executed first */	1307	/* queue check watchers, to be executed first */
1190	if (checkcnt)	1308	if (expect_false (checkcnt))
1191	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1309	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1192		1310
1193	call_pending (EV_A);	1311	call_pending (EV_A);
		1312
		1313	if (expect_false (loop_done))
		1314	break;
1194	}	1315	}
1195	while (activecnt && !loop_done);
1196		1316
1197	if (loop_done != 2)	1317	if (loop_done != 2)
1198	loop_done = 0;	1318	loop_done = 0;
1199	}	1319	}
1200		1320
…		…
1260	void	1380	void
1261	ev_io_start (EV_P_ struct ev_io *w)	1381	ev_io_start (EV_P_ struct ev_io *w)
1262	{	1382	{
1263	int fd = w->fd;	1383	int fd = w->fd;
1264		1384
1265	if (ev_is_active (w))	1385	if (expect_false (ev_is_active (w)))
1266	return;	1386	return;
1267		1387
1268	assert (("ev_io_start called with negative fd", fd >= 0));	1388	assert (("ev_io_start called with negative fd", fd >= 0));
1269		1389
1270	ev_start (EV_A_ (W)w, 1);	1390	ev_start (EV_A_ (W)w, 1);
1271	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	1391	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1272	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1392	wlist_add ((WL *)&anfds[fd].head, (WL)w);
1273		1393
1274	fd_change (EV_A_ fd);	1394	fd_change (EV_A_ fd);
1275	}	1395	}
1276		1396
1277	void	1397	void
1278	ev_io_stop (EV_P_ struct ev_io *w)	1398	ev_io_stop (EV_P_ struct ev_io *w)
1279	{	1399	{
1280	ev_clear_pending (EV_A_ (W)w);	1400	ev_clear_pending (EV_A_ (W)w);
1281	if (!ev_is_active (w))	1401	if (expect_false (!ev_is_active (w)))
1282	return;	1402	return;
		1403
		1404	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1283		1405
1284	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1406	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
1285	ev_stop (EV_A_ (W)w);	1407	ev_stop (EV_A_ (W)w);
1286		1408
1287	fd_change (EV_A_ w->fd);	1409	fd_change (EV_A_ w->fd);
1288	}	1410	}
1289		1411
1290	void	1412	void
1291	ev_timer_start (EV_P_ struct ev_timer *w)	1413	ev_timer_start (EV_P_ struct ev_timer *w)
1292	{	1414	{
1293	if (ev_is_active (w))	1415	if (expect_false (ev_is_active (w)))
1294	return;	1416	return;
1295		1417
1296	((WT)w)->at += mn_now;	1418	((WT)w)->at += mn_now;
1297		1419
1298	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1420	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1299		1421
1300	ev_start (EV_A_ (W)w, ++timercnt);	1422	ev_start (EV_A_ (W)w, ++timercnt);
1301	array_needsize (timers, timermax, timercnt, (void));	1423	array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2);
1302	timers [timercnt - 1] = w;	1424	timers [timercnt - 1] = w;
1303	upheap ((WT *)timers, timercnt - 1);	1425	upheap ((WT *)timers, timercnt - 1);
1304		1426
1305	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1427	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1306	}	1428	}
1307		1429
1308	void	1430	void
1309	ev_timer_stop (EV_P_ struct ev_timer *w)	1431	ev_timer_stop (EV_P_ struct ev_timer *w)
1310	{	1432	{
1311	ev_clear_pending (EV_A_ (W)w);	1433	ev_clear_pending (EV_A_ (W)w);
1312	if (!ev_is_active (w))	1434	if (expect_false (!ev_is_active (w)))
1313	return;	1435	return;
1314		1436
1315	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1437	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1316		1438
1317	if (((W)w)->active < timercnt--)	1439	if (expect_true (((W)w)->active < timercnt--))
1318	{	1440	{
1319	timers [((W)w)->active - 1] = timers [timercnt];	1441	timers [((W)w)->active - 1] = timers [timercnt];
1320	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1442	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1321	}	1443	}
1322		1444
1323	((WT)w)->at = w->repeat;	1445	((WT)w)->at -= mn_now;
1324		1446
1325	ev_stop (EV_A_ (W)w);	1447	ev_stop (EV_A_ (W)w);
1326	}	1448	}
1327		1449
1328	void	1450	void
…		…
1331	if (ev_is_active (w))	1453	if (ev_is_active (w))
1332	{	1454	{
1333	if (w->repeat)	1455	if (w->repeat)
1334	{	1456	{
1335	((WT)w)->at = mn_now + w->repeat;	1457	((WT)w)->at = mn_now + w->repeat;
1336	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1458	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1337	}	1459	}
1338	else	1460	else
1339	ev_timer_stop (EV_A_ w);	1461	ev_timer_stop (EV_A_ w);
1340	}	1462	}
1341	else if (w->repeat)	1463	else if (w->repeat)
		1464	{
		1465	w->at = w->repeat;
1342	ev_timer_start (EV_A_ w);	1466	ev_timer_start (EV_A_ w);
		1467	}
1343	}	1468	}
1344		1469
		1470	#if EV_PERIODICS
1345	void	1471	void
1346	ev_periodic_start (EV_P_ struct ev_periodic *w)	1472	ev_periodic_start (EV_P_ struct ev_periodic *w)
1347	{	1473	{
1348	if (ev_is_active (w))	1474	if (expect_false (ev_is_active (w)))
1349	return;	1475	return;
1350		1476
		1477	if (w->reschedule_cb)
		1478	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
		1479	else if (w->interval)
		1480	{
1351	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1481	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1352
1353	/* this formula differs from the one in periodic_reify because we do not always round up */	1482	/* this formula differs from the one in periodic_reify because we do not always round up */
1354	if (w->interval)
1355	((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;	1483	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
		1484	}
1356		1485
1357	ev_start (EV_A_ (W)w, ++periodiccnt);	1486	ev_start (EV_A_ (W)w, ++periodiccnt);
1358	array_needsize (periodics, periodicmax, periodiccnt, (void));	1487	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1359	periodics [periodiccnt - 1] = w;	1488	periodics [periodiccnt - 1] = w;
1360	upheap ((WT *)periodics, periodiccnt - 1);	1489	upheap ((WT *)periodics, periodiccnt - 1);
1361		1490
1362	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1491	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1363	}	1492	}
1364		1493
1365	void	1494	void
1366	ev_periodic_stop (EV_P_ struct ev_periodic *w)	1495	ev_periodic_stop (EV_P_ struct ev_periodic *w)
1367	{	1496	{
1368	ev_clear_pending (EV_A_ (W)w);	1497	ev_clear_pending (EV_A_ (W)w);
1369	if (!ev_is_active (w))	1498	if (expect_false (!ev_is_active (w)))
1370	return;	1499	return;
1371		1500
1372	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1501	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1373		1502
1374	if (((W)w)->active < periodiccnt--)	1503	if (expect_true (((W)w)->active < periodiccnt--))
1375	{	1504	{
1376	periodics [((W)w)->active - 1] = periodics [periodiccnt];	1505	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1377	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);	1506	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1378	}	1507	}
1379		1508
1380	ev_stop (EV_A_ (W)w);	1509	ev_stop (EV_A_ (W)w);
1381	}	1510	}
1382		1511
1383	void	1512	void
		1513	ev_periodic_again (EV_P_ struct ev_periodic *w)
		1514	{
		1515	/* TODO: use adjustheap and recalculation */
		1516	ev_periodic_stop (EV_A_ w);
		1517	ev_periodic_start (EV_A_ w);
		1518	}
		1519	#endif
		1520
		1521	void
1384	ev_idle_start (EV_P_ struct ev_idle *w)	1522	ev_idle_start (EV_P_ struct ev_idle *w)
1385	{	1523	{
1386	if (ev_is_active (w))	1524	if (expect_false (ev_is_active (w)))
1387	return;	1525	return;
1388		1526
1389	ev_start (EV_A_ (W)w, ++idlecnt);	1527	ev_start (EV_A_ (W)w, ++idlecnt);
1390	array_needsize (idles, idlemax, idlecnt, (void));	1528	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1391	idles [idlecnt - 1] = w;	1529	idles [idlecnt - 1] = w;
1392	}	1530	}
1393		1531
1394	void	1532	void
1395	ev_idle_stop (EV_P_ struct ev_idle *w)	1533	ev_idle_stop (EV_P_ struct ev_idle *w)
1396	{	1534	{
1397	ev_clear_pending (EV_A_ (W)w);	1535	ev_clear_pending (EV_A_ (W)w);
1398	if (ev_is_active (w))	1536	if (expect_false (!ev_is_active (w)))
1399	return;	1537	return;
1400		1538
1401	idles [((W)w)->active - 1] = idles [--idlecnt];	1539	idles [((W)w)->active - 1] = idles [--idlecnt];
1402	ev_stop (EV_A_ (W)w);	1540	ev_stop (EV_A_ (W)w);
1403	}	1541	}
1404		1542
1405	void	1543	void
1406	ev_prepare_start (EV_P_ struct ev_prepare *w)	1544	ev_prepare_start (EV_P_ struct ev_prepare *w)
1407	{	1545	{
1408	if (ev_is_active (w))	1546	if (expect_false (ev_is_active (w)))
1409	return;	1547	return;
1410		1548
1411	ev_start (EV_A_ (W)w, ++preparecnt);	1549	ev_start (EV_A_ (W)w, ++preparecnt);
1412	array_needsize (prepares, preparemax, preparecnt, (void));	1550	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1413	prepares [preparecnt - 1] = w;	1551	prepares [preparecnt - 1] = w;
1414	}	1552	}
1415		1553
1416	void	1554	void
1417	ev_prepare_stop (EV_P_ struct ev_prepare *w)	1555	ev_prepare_stop (EV_P_ struct ev_prepare *w)
1418	{	1556	{
1419	ev_clear_pending (EV_A_ (W)w);	1557	ev_clear_pending (EV_A_ (W)w);
1420	if (ev_is_active (w))	1558	if (expect_false (!ev_is_active (w)))
1421	return;	1559	return;
1422		1560
1423	prepares [((W)w)->active - 1] = prepares [--preparecnt];	1561	prepares [((W)w)->active - 1] = prepares [--preparecnt];
1424	ev_stop (EV_A_ (W)w);	1562	ev_stop (EV_A_ (W)w);
1425	}	1563	}
1426		1564
1427	void	1565	void
1428	ev_check_start (EV_P_ struct ev_check *w)	1566	ev_check_start (EV_P_ struct ev_check *w)
1429	{	1567	{
1430	if (ev_is_active (w))	1568	if (expect_false (ev_is_active (w)))
1431	return;	1569	return;
1432		1570
1433	ev_start (EV_A_ (W)w, ++checkcnt);	1571	ev_start (EV_A_ (W)w, ++checkcnt);
1434	array_needsize (checks, checkmax, checkcnt, (void));	1572	array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2);
1435	checks [checkcnt - 1] = w;	1573	checks [checkcnt - 1] = w;
1436	}	1574	}
1437		1575
1438	void	1576	void
1439	ev_check_stop (EV_P_ struct ev_check *w)	1577	ev_check_stop (EV_P_ struct ev_check *w)
1440	{	1578	{
1441	ev_clear_pending (EV_A_ (W)w);	1579	ev_clear_pending (EV_A_ (W)w);
1442	if (ev_is_active (w))	1580	if (expect_false (!ev_is_active (w)))
1443	return;	1581	return;
1444		1582
1445	checks [((W)w)->active - 1] = checks [--checkcnt];	1583	checks [((W)w)->active - 1] = checks [--checkcnt];
1446	ev_stop (EV_A_ (W)w);	1584	ev_stop (EV_A_ (W)w);
1447	}	1585	}
…		…
1452		1590
1453	void	1591	void
1454	ev_signal_start (EV_P_ struct ev_signal *w)	1592	ev_signal_start (EV_P_ struct ev_signal *w)
1455	{	1593	{
1456	#if EV_MULTIPLICITY	1594	#if EV_MULTIPLICITY
1457	assert (("signal watchers are only supported in the default loop", loop == default_loop));	1595	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1458	#endif	1596	#endif
1459	if (ev_is_active (w))	1597	if (expect_false (ev_is_active (w)))
1460	return;	1598	return;
1461		1599
1462	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1600	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1463		1601
1464	ev_start (EV_A_ (W)w, 1);	1602	ev_start (EV_A_ (W)w, 1);
1465	array_needsize (signals, signalmax, w->signum, signals_init);	1603	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1466	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1604	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1467		1605
1468	if (!((WL)w)->next)	1606	if (!((WL)w)->next)
1469	{	1607	{
1470	#if WIN32	1608	#if _WIN32
1471	signal (w->signum, sighandler);	1609	signal (w->signum, sighandler);
1472	#else	1610	#else
1473	struct sigaction sa;	1611	struct sigaction sa;
1474	sa.sa_handler = sighandler;	1612	sa.sa_handler = sighandler;
1475	sigfillset (&sa.sa_mask);	1613	sigfillset (&sa.sa_mask);
…		…
1481		1619
1482	void	1620	void
1483	ev_signal_stop (EV_P_ struct ev_signal *w)	1621	ev_signal_stop (EV_P_ struct ev_signal *w)
1484	{	1622	{
1485	ev_clear_pending (EV_A_ (W)w);	1623	ev_clear_pending (EV_A_ (W)w);
1486	if (!ev_is_active (w))	1624	if (expect_false (!ev_is_active (w)))
1487	return;	1625	return;
1488		1626
1489	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1627	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1490	ev_stop (EV_A_ (W)w);	1628	ev_stop (EV_A_ (W)w);
1491		1629
…		…
1495		1633
1496	void	1634	void
1497	ev_child_start (EV_P_ struct ev_child *w)	1635	ev_child_start (EV_P_ struct ev_child *w)
1498	{	1636	{
1499	#if EV_MULTIPLICITY	1637	#if EV_MULTIPLICITY
1500	assert (("child watchers are only supported in the default loop", loop == default_loop));	1638	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1501	#endif	1639	#endif
1502	if (ev_is_active (w))	1640	if (expect_false (ev_is_active (w)))
1503	return;	1641	return;
1504		1642
1505	ev_start (EV_A_ (W)w, 1);	1643	ev_start (EV_A_ (W)w, 1);
1506	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1644	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1507	}	1645	}
1508		1646
1509	void	1647	void
1510	ev_child_stop (EV_P_ struct ev_child *w)	1648	ev_child_stop (EV_P_ struct ev_child *w)
1511	{	1649	{
1512	ev_clear_pending (EV_A_ (W)w);	1650	ev_clear_pending (EV_A_ (W)w);
1513	if (ev_is_active (w))	1651	if (expect_false (!ev_is_active (w)))
1514	return;	1652	return;
1515		1653
1516	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1654	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1517	ev_stop (EV_A_ (W)w);	1655	ev_stop (EV_A_ (W)w);
1518	}	1656	}
…		…
1553	}	1691	}
1554		1692
1555	void	1693	void
1556	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	1694	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)
1557	{	1695	{
1558	struct ev_once *once = ev_malloc (sizeof (struct ev_once));	1696	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
1559		1697
1560	if (!once)	1698	if (expect_false (!once))
		1699	{
1561	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg);	1700	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg);
1562	else	1701	return;
1563	{	1702	}
		1703
1564	once->cb = cb;	1704	once->cb = cb;
1565	once->arg = arg;	1705	once->arg = arg;
1566		1706
1567	ev_watcher_init (&once->io, once_cb_io);	1707	ev_init (&once->io, once_cb_io);
1568	if (fd >= 0)	1708	if (fd >= 0)
1569	{	1709	{
1570	ev_io_set (&once->io, fd, events);	1710	ev_io_set (&once->io, fd, events);
1571	ev_io_start (EV_A_ &once->io);	1711	ev_io_start (EV_A_ &once->io);
1572	}	1712	}
1573		1713
1574	ev_watcher_init (&once->to, once_cb_to);	1714	ev_init (&once->to, once_cb_to);
1575	if (timeout >= 0.)	1715	if (timeout >= 0.)
1576	{	1716	{
1577	ev_timer_set (&once->to, timeout, 0.);	1717	ev_timer_set (&once->to, timeout, 0.);
1578	ev_timer_start (EV_A_ &once->to);	1718	ev_timer_start (EV_A_ &once->to);
1579	}
1580	}	1719	}
1581	}	1720	}
1582		1721
		1722	#ifdef __cplusplus
		1723	}
		1724	#endif
		1725

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