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

Comparing libev/ev.h (file contents):
Revision 1.111 by root, Mon Mar 16 21:15:06 2009 UTC vs.
Revision 1.132 by root, Wed Mar 10 08:19:39 2010 UTC

…		…
35	* and other provisions required by the GPL. If you do not delete the	35	* and other provisions required by the GPL. If you do not delete the
36	* provisions above, a recipient may use your version of this file under	36	* provisions above, a recipient may use your version of this file under
37	* either the BSD or the GPL.	37	* either the BSD or the GPL.
38	*/	38	*/
39		39
40	#ifndef EV_H__	40	#ifndef EV_H_
41	#define EV_H__	41	#define EV_H_
42		42
43	#ifdef __cplusplus	43	#ifdef __cplusplus
44	extern "C" {	44	extern "C" {
45	#endif	45	#endif
46		46
…		…
72		72
73	#ifndef EV_FORK_ENABLE	73	#ifndef EV_FORK_ENABLE
74	# define EV_FORK_ENABLE 1	74	# define EV_FORK_ENABLE 1
75	#endif	75	#endif
76		76
		77	#ifndef EV_SIGNAL_ENABLE
		78	# define EV_SIGNAL_ENABLE 1
		79	#endif
		80
		81	#ifndef EV_CHILD_ENABLE
		82	# ifdef _WIN32
		83	# define EV_CHILD_ENABLE 0
		84	# else
		85	# define EV_CHILD_ENABLE 1
		86	#endif
		87	#endif
		88
		89	#ifndef EV_ASYNC_ENABLE
		90	# define EV_ASYNC_ENABLE 1
		91	#endif
		92
77	#ifndef EV_EMBED_ENABLE	93	#ifndef EV_EMBED_ENABLE
78	# define EV_EMBED_ENABLE 1	94	# define EV_EMBED_ENABLE 1
79	#endif	95	#endif
80		96
81	#ifndef EV_ASYNC_ENABLE	97	#ifndef EV_WALK_ENABLE
82	# define EV_ASYNC_ENABLE 1	98	# define EV_WALK_ENABLE 0 /* not yet */
83	#endif	99	#endif
84		100
85	#ifndef EV_ATOMIC_T	101	#ifndef EV_ATOMIC_T
86	# include <signal.h>	102	# include <signal.h>
87	# define EV_ATOMIC_T sig_atomic_t volatile	103	# define EV_ATOMIC_T sig_atomic_t volatile
88	#endif	104	#endif
89		105
90	/*****************************************************************************/	106	/*****************************************************************************/
		107
		108	#if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE
		109	# undef EV_SIGNAL_ENABLE
		110	# define EV_SIGNAL_ENABLE 1
		111	#endif
91		112
92	#if EV_STAT_ENABLE	113	#if EV_STAT_ENABLE
93	# ifdef _WIN32	114	# ifdef _WIN32
94	# include <time.h>	115	# include <time.h>
95	# include <sys/types.h>	116	# include <sys/types.h>
…		…
134	#define EV_READ 0x01 /* ev_io detected read will not block */	155	#define EV_READ 0x01 /* ev_io detected read will not block */
135	#define EV_WRITE 0x02 /* ev_io detected write will not block */	156	#define EV_WRITE 0x02 /* ev_io detected write will not block */
136	#define EV__IOFDSET 0x80 /* internal use only */	157	#define EV__IOFDSET 0x80 /* internal use only */
137	#define EV_IO EV_READ /* alias for type-detection */	158	#define EV_IO EV_READ /* alias for type-detection */
138	#define EV_TIMEOUT 0x00000100 /* timer timed out */	159	#define EV_TIMEOUT 0x00000100 /* timer timed out */
		160	#define EV_TIMER EV_TIMEOUT /* alias for type-detection */
139	#define EV_PERIODIC 0x00000200 /* periodic timer timed out */	161	#define EV_PERIODIC 0x00000200 /* periodic timer timed out */
140	#define EV_SIGNAL 0x00000400 /* signal was received */	162	#define EV_SIGNAL 0x00000400 /* signal was received */
141	#define EV_CHILD 0x00000800 /* child/pid had status change */	163	#define EV_CHILD 0x00000800 /* child/pid had status change */
142	#define EV_STAT 0x00001000 /* stat data changed */	164	#define EV_STAT 0x00001000 /* stat data changed */
143	#define EV_IDLE 0x00002000 /* event loop is idling */	165	#define EV_IDLE 0x00002000 /* event loop is idling */
144	#define EV_PREPARE 0x00004000 /* event loop about to poll */	166	#define EV_PREPARE 0x00004000 /* event loop about to poll */
145	#define EV_CHECK 0x00008000 /* event loop finished poll */	167	#define EV_CHECK 0x00008000 /* event loop finished poll */
146	#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */	168	#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */
147	#define EV_FORK 0x00020000 /* event loop resumed in child */	169	#define EV_FORK 0x00020000 /* event loop resumed in child */
148	#define EV_ASYNC 0x00040000 /* async intra-loop signal */	170	#define EV_ASYNC 0x00040000 /* async intra-loop signal */
		171	#define EV_CUSTOM 0x01000000 /* for use by user code */
149	#define EV_ERROR 0x80000000 /* sent when an error occurs */	172	#define EV_ERROR 0x80000000 /* sent when an error occurs */
150		173
151	/* can be used to add custom fields to all watchers, while losing binary compatibility */	174	/* can be used to add custom fields to all watchers, while losing binary compatibility */
152	#ifndef EV_COMMON	175	#ifndef EV_COMMON
153	# define EV_COMMON void *data;	176	# define EV_COMMON void *data;
…		…
155	#ifndef EV_PROTOTYPES	178	#ifndef EV_PROTOTYPES
156	# define EV_PROTOTYPES 1	179	# define EV_PROTOTYPES 1
157	#endif	180	#endif
158		181
159	#define EV_VERSION_MAJOR 3	182	#define EV_VERSION_MAJOR 3
160	#define EV_VERSION_MINOR 0	183	#define EV_VERSION_MINOR 9
161		184
162	#ifndef EV_CB_DECLARE	185	#ifndef EV_CB_DECLARE
163	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);	186	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);
164	#endif	187	#endif
165	#ifndef EV_CB_INVOKE	188	#ifndef EV_CB_INVOKE
…		…
181	* or simply 1 for watchers that aren't in some array.	204	* or simply 1 for watchers that aren't in some array.
182	* pending is either 0, in which case the watcher isn't,	205	* pending is either 0, in which case the watcher isn't,
183	* or the array index + 1 in the pendings array.	206	* or the array index + 1 in the pendings array.
184	*/	207	*/
185		208
		209	#if EV_MINPRI == EV_MAXPRI
		210	# define EV_DECL_PRIORITY
		211	#else
		212	# define EV_DECL_PRIORITY int priority;
		213	#endif
		214
186	/* shared by all watchers */	215	/* shared by all watchers */
187	#define EV_WATCHER(type) \	216	#define EV_WATCHER(type) \
188	int active; /* private */ \	217	int active; /* private */ \
189	int pending; /* private */ \	218	int pending; /* private */ \
190	int priority; /* private */ \	219	EV_DECL_PRIORITY /* private */ \
191	EV_COMMON /* rw */ \	220	EV_COMMON /* rw */ \
192	EV_CB_DECLARE (type) /* private */	221	EV_CB_DECLARE (type) /* private */
193		222
194	#define EV_WATCHER_LIST(type) \	223	#define EV_WATCHER_LIST(type) \
195	EV_WATCHER (type) \	224	EV_WATCHER (type) \
…		…
351	EV_WATCHER (ev_async)	380	EV_WATCHER (ev_async)
352		381
353	EV_ATOMIC_T sent; /* private */	382	EV_ATOMIC_T sent; /* private */
354	} ev_async;	383	} ev_async;
355		384
356	# define ev_async_pending(w) ((w)->sent + 0)	385	# define ev_async_pending(w) (+(w)->sent)
357	#endif	386	#endif
358		387
359	/* the presence of this union forces similar struct layout */	388	/* the presence of this union forces similar struct layout */
360	union ev_any_watcher	389	union ev_any_watcher
361	{	390	{
…		…
390	/* the default */	419	/* the default */
391	#define EVFLAG_AUTO 0x00000000U /* not quite a mask */	420	#define EVFLAG_AUTO 0x00000000U /* not quite a mask */
392	/* flag bits */	421	/* flag bits */
393	#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */	422	#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */
394	#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */	423	#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */
		424	/* debugging/feature disable */
		425	#define EVFLAG_NOINOTIFY 0x00100000U /* do not attempt to use inotify */
		426	#define EVFLAG_NOSIGFD 0 /* compatibility to pre-3.9 */
		427	#define EVFLAG_SIGNALFD 0x00200000U /* attempt to use signalfd */
395	/* method bits to be ored together */	428	/* method bits to be ored together */
396	#define EVBACKEND_SELECT 0x00000001U /* about anywhere */	429	#define EVBACKEND_SELECT 0x00000001U /* about anywhere */
397	#define EVBACKEND_POLL 0x00000002U /* !win */	430	#define EVBACKEND_POLL 0x00000002U /* !win */
398	#define EVBACKEND_EPOLL 0x00000004U /* linux */	431	#define EVBACKEND_EPOLL 0x00000004U /* linux */
399	#define EVBACKEND_KQUEUE 0x00000008U /* bsd */	432	#define EVBACKEND_KQUEUE 0x00000008U /* bsd */
400	#define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 / / NYI */	433	#define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 / / NYI */
401	#define EVBACKEND_PORT 0x00000020U /* solaris 10 */	434	#define EVBACKEND_PORT 0x00000020U /* solaris 10 */
		435	#define EVBACKEND_ALL 0x0000003FU
402		436
403	#if EV_PROTOTYPES	437	#if EV_PROTOTYPES
404	int ev_version_major (void);	438	int ev_version_major (void);
405	int ev_version_minor (void);	439	int ev_version_minor (void);
406		440
…		…
453		487
454	/* create and destroy alternative loops that don't handle signals */	488	/* create and destroy alternative loops that don't handle signals */
455	struct ev_loop *ev_loop_new (unsigned int flags);	489	struct ev_loop *ev_loop_new (unsigned int flags);
456	void ev_loop_destroy (EV_P);	490	void ev_loop_destroy (EV_P);
457	void ev_loop_fork (EV_P);	491	void ev_loop_fork (EV_P);
458	void ev_loop_verify (EV_P);
459		492
460	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */	493	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
461	void ev_now_update (EV_P);
462		494
463	#else	495	#else
464		496
465	int ev_default_loop (unsigned int flags); /* returns true when successful */	497	int ev_default_loop (unsigned int flags); /* returns true when successful */
466		498
…		…
490	/* if you create alternative loops you have to call ev_loop_fork on them */	522	/* if you create alternative loops you have to call ev_loop_fork on them */
491	/* you can call it in either the parent or the child */	523	/* you can call it in either the parent or the child */
492	/* you can actually call it at any time, anywhere :) */	524	/* you can actually call it at any time, anywhere :) */
493	void ev_default_fork (void);	525	void ev_default_fork (void);
494		526
495	unsigned int ev_backend (EV_P); /* backend in use by loop */	527	unsigned int ev_backend (EV_P); /* backend in use by loop */
496	unsigned int ev_loop_count (EV_P); /* number of loop iterations */	528
		529	void ev_now_update (EV_P); /* update event loop time */
		530
		531	#if EV_WALK_ENABLE
		532	/* walk (almost) all watchers in the loop of a given type, invoking the */
		533	/* callback on every such watcher. The callback might stop the watcher, */
		534	/* but do nothing else with the loop */
		535	void ev_walk (EV_P_ int types, void (cb)(EV_P_ int type, void w));
		536	#endif
		537
497	#endif /* prototypes */	538	#endif /* prototypes */
498		539
499	#define EVLOOP_NONBLOCK 1 /* do not block/wait */	540	#define EVLOOP_NONBLOCK 1 /* do not block/wait */
500	#define EVLOOP_ONESHOT 2 /* block once only */	541	#define EVLOOP_ONESHOT 2 /* block once only */
501	#define EVUNLOOP_CANCEL 0 /* undo unloop */	542	#define EVUNLOOP_CANCEL 0 /* undo unloop */
…		…
504		545
505	#if EV_PROTOTYPES	546	#if EV_PROTOTYPES
506	void ev_loop (EV_P_ int flags);	547	void ev_loop (EV_P_ int flags);
507	void ev_unloop (EV_P_ int how); /* set to 1 to break out of event loop, set to 2 to break out of all event loops */	548	void ev_unloop (EV_P_ int how); /* set to 1 to break out of event loop, set to 2 to break out of all event loops */
508		549
509	void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
510	void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
511
512	/*	550	/*
513	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher	551	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher
514	* keeps one reference. if you have a long-runing watcher you never unregister that	552	* keeps one reference. if you have a long-running watcher you never unregister that
515	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.	553	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.
516	*/	554	*/
517	void ev_ref (EV_P);	555	void ev_ref (EV_P);
518	void ev_unref (EV_P);	556	void ev_unref (EV_P);
519		557
		558	/*
520	/* convenience function, wait for a single event, without registering an event watcher */	559	* convenience function, wait for a single event, without registering an event watcher
521	/* if timeout is < 0, do wait indefinitely */	560	* if timeout is < 0, do wait indefinitely
		561	*/
522	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);	562	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);
		563
		564	# if EV_MINIMAL < 2
		565	unsigned int ev_loop_count (EV_P); /* number of loop iterations */
		566	unsigned int ev_loop_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */
		567	void ev_loop_verify (EV_P); /* abort if loop data corrupted */
		568
		569	void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
		570	void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
		571
		572	/* advanced stuff for threading etc. support, see docs */
		573	void ev_set_userdata (EV_P_ void *data);
		574	void *ev_userdata (EV_P);
		575	void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P));
		576	void ev_set_loop_release_cb (EV_P_ void (release)(EV_P), void (acquire)(EV_P));
		577
		578	unsigned int ev_pending_count (EV_P); /* number of pending events, if any */
		579	void ev_invoke_pending (EV_P); /* invoke all pending watchers */
		580
		581	/*
		582	* stop/start the timer handling.
		583	*/
		584	void ev_suspend (EV_P);
		585	void ev_resume (EV_P);
		586	#endif
		587
523	#endif	588	#endif
524		589
525	/* these may evaluate ev multiple times, and the other arguments at most once */	590	/* these may evaluate ev multiple times, and the other arguments at most once */
526	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */	591	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
527	#define ev_init(ev,cb_) do { \	592	#define ev_init(ev,cb_) do { \
528	((ev_watcher )(void )(ev))->active = \	593	((ev_watcher )(void )(ev))->active = \
529	((ev_watcher )(void )(ev))->pending = \	594	((ev_watcher )(void )(ev))->pending = 0; \
530	((ev_watcher )(void )(ev))->priority = 0; \	595	ev_set_priority ((ev), 0); \
531	ev_set_cb ((ev), cb_); \	596	ev_set_cb ((ev), cb_); \
532	} while (0)	597	} while (0)
533		598
534	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) \| EV__IOFDSET; } while (0)	599	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) \| EV__IOFDSET; } while (0)
535	#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)	600	#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
…		…
558	#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)	623	#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
559		624
560	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */	625	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
561	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */	626	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */
562		627
563	#define ev_priority(ev) ((((ev_watcher )(void )(ev))->priority) + 0)
564	#define ev_cb(ev) (ev)->cb /* rw */	628	#define ev_cb(ev) (ev)->cb /* rw */
		629
		630	#if EV_MINPRI == EV_MAXPRI
		631	# define ev_priority(ev) ((ev), EV_MINPRI)
		632	# define ev_set_priority(ev,pri) ((ev), (pri))
		633	#else
		634	# define ev_priority(ev) (+(((ev_watcher )(void )(ev))->priority))
565	#define ev_set_priority(ev,pri) ((ev_watcher )(void )(ev))->priority = (pri)	635	# define ev_set_priority(ev,pri) ( (ev_watcher )(void )(ev))->priority = (pri)
		636	#endif
566		637
567	#define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.)	638	#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
568		639
569	#ifndef ev_set_cb	640	#ifndef ev_set_cb
570	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)	641	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
571	#endif	642	#endif
572		643
…		…
576		647
577	/* feeds an event into a watcher as if the event actually occured */	648	/* feeds an event into a watcher as if the event actually occured */
578	/* accepts any ev_watcher type */	649	/* accepts any ev_watcher type */
579	void ev_feed_event (EV_P_ void *w, int revents);	650	void ev_feed_event (EV_P_ void *w, int revents);
580	void ev_feed_fd_event (EV_P_ int fd, int revents);	651	void ev_feed_fd_event (EV_P_ int fd, int revents);
		652	#if EV_SIGNAL_ENABLE
581	void ev_feed_signal_event (EV_P_ int signum);	653	void ev_feed_signal_event (EV_P_ int signum);
		654	#endif
582	void ev_invoke (EV_P_ void *w, int revents);	655	void ev_invoke (EV_P_ void *w, int revents);
583	int ev_clear_pending (EV_P_ void *w);	656	int ev_clear_pending (EV_P_ void *w);
584		657
585	void ev_io_start (EV_P_ ev_io *w);	658	void ev_io_start (EV_P_ ev_io *w);
586	void ev_io_stop (EV_P_ ev_io *w);	659	void ev_io_stop (EV_P_ ev_io *w);
587		660
588	void ev_timer_start (EV_P_ ev_timer *w);	661	void ev_timer_start (EV_P_ ev_timer *w);
589	void ev_timer_stop (EV_P_ ev_timer *w);	662	void ev_timer_stop (EV_P_ ev_timer *w);
590	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */	663	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
591	void ev_timer_again (EV_P_ ev_timer *w);	664	void ev_timer_again (EV_P_ ev_timer *w);
		665	/* return remaining time */
		666	ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w);
592		667
593	#if EV_PERIODIC_ENABLE	668	#if EV_PERIODIC_ENABLE
594	void ev_periodic_start (EV_P_ ev_periodic *w);	669	void ev_periodic_start (EV_P_ ev_periodic *w);
595	void ev_periodic_stop (EV_P_ ev_periodic *w);	670	void ev_periodic_stop (EV_P_ ev_periodic *w);
596	void ev_periodic_again (EV_P_ ev_periodic *w);	671	void ev_periodic_again (EV_P_ ev_periodic *w);
597	#endif	672	#endif
598		673
599	/* only supported in the default loop */	674	/* only supported in the default loop */
		675	#if EV_SIGNAL_ENABLE
600	void ev_signal_start (EV_P_ ev_signal *w);	676	void ev_signal_start (EV_P_ ev_signal *w);
601	void ev_signal_stop (EV_P_ ev_signal *w);	677	void ev_signal_stop (EV_P_ ev_signal *w);
		678	#endif
602		679
603	/* only supported in the default loop */	680	/* only supported in the default loop */
		681	# if EV_CHILD_ENABLE
604	void ev_child_start (EV_P_ ev_child *w);	682	void ev_child_start (EV_P_ ev_child *w);
605	void ev_child_stop (EV_P_ ev_child *w);	683	void ev_child_stop (EV_P_ ev_child *w);
		684	# endif
606		685
607	# if EV_STAT_ENABLE	686	# if EV_STAT_ENABLE
608	void ev_stat_start (EV_P_ ev_stat *w);	687	void ev_stat_start (EV_P_ ev_stat *w);
609	void ev_stat_stop (EV_P_ ev_stat *w);	688	void ev_stat_stop (EV_P_ ev_stat *w);
610	void ev_stat_stat (EV_P_ ev_stat *w);	689	void ev_stat_stat (EV_P_ ev_stat *w);

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Comparing libev/ev.h (file contents): Revision 1.111 by root, Mon Mar 16 21:15:06 2009 UTC vs. Revision 1.132 by root, Wed Mar 10 08:19:39 2010 UTC

Diff Legend

Comparing libev/ev.h (file contents):
Revision 1.111 by root, Mon Mar 16 21:15:06 2009 UTC vs.
Revision 1.132 by root, Wed Mar 10 08:19:39 2010 UTC