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

Comparing libev/ev.h (file contents):
Revision 1.110 by root, Wed Mar 4 14:33:10 2009 UTC vs.
Revision 1.125 by root, Mon Aug 3 12:12:40 2009 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
…		…
78	# define EV_EMBED_ENABLE 1	78	# define EV_EMBED_ENABLE 1
79	#endif	79	#endif
80		80
81	#ifndef EV_ASYNC_ENABLE	81	#ifndef EV_ASYNC_ENABLE
82	# define EV_ASYNC_ENABLE 1	82	# define EV_ASYNC_ENABLE 1
		83	#endif
		84
		85	#ifndef EV_WALK_ENABLE
		86	# define EV_WALK_ENABLE 0 /* not yet */
83	#endif	87	#endif
84		88
85	#ifndef EV_ATOMIC_T	89	#ifndef EV_ATOMIC_T
86	# include <signal.h>	90	# include <signal.h>
87	# define EV_ATOMIC_T sig_atomic_t volatile	91	# define EV_ATOMIC_T sig_atomic_t volatile
…		…
131	/* eventmask, revents, events... */	135	/* eventmask, revents, events... */
132	#define EV_UNDEF -1 /* guaranteed to be invalid */	136	#define EV_UNDEF -1 /* guaranteed to be invalid */
133	#define EV_NONE 0x00 /* no events */	137	#define EV_NONE 0x00 /* no events */
134	#define EV_READ 0x01 /* ev_io detected read will not block */	138	#define EV_READ 0x01 /* ev_io detected read will not block */
135	#define EV_WRITE 0x02 /* ev_io detected write will not block */	139	#define EV_WRITE 0x02 /* ev_io detected write will not block */
136	#define EV_IOFDSET 0x80 /* internal use only */	140	#define EV__IOFDSET 0x80 /* internal use only */
		141	#define EV_IO EV_READ /* alias for type-detection */
137	#define EV_TIMEOUT 0x00000100 /* timer timed out */	142	#define EV_TIMEOUT 0x00000100 /* timer timed out */
		143	#define EV_TIMER EV_TIMEOUT /* alias for type-detection */
138	#define EV_PERIODIC 0x00000200 /* periodic timer timed out */	144	#define EV_PERIODIC 0x00000200 /* periodic timer timed out */
139	#define EV_SIGNAL 0x00000400 /* signal was received */	145	#define EV_SIGNAL 0x00000400 /* signal was received */
140	#define EV_CHILD 0x00000800 /* child/pid had status change */	146	#define EV_CHILD 0x00000800 /* child/pid had status change */
141	#define EV_STAT 0x00001000 /* stat data changed */	147	#define EV_STAT 0x00001000 /* stat data changed */
142	#define EV_IDLE 0x00002000 /* event loop is idling */	148	#define EV_IDLE 0x00002000 /* event loop is idling */
143	#define EV_PREPARE 0x00004000 /* event loop about to poll */	149	#define EV_PREPARE 0x00004000 /* event loop about to poll */
144	#define EV_CHECK 0x00008000 /* event loop finished poll */	150	#define EV_CHECK 0x00008000 /* event loop finished poll */
145	#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */	151	#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */
146	#define EV_FORK 0x00020000 /* event loop resumed in child */	152	#define EV_FORK 0x00020000 /* event loop resumed in child */
147	#define EV_ASYNC 0x00040000 /* async intra-loop signal */	153	#define EV_ASYNC 0x00040000 /* async intra-loop signal */
		154	#define EV_CUSTOM 0x01000000 /* for use by user code */
148	#define EV_ERROR 0x80000000 /* sent when an error occurs */	155	#define EV_ERROR 0x80000000 /* sent when an error occurs */
149		156
150	/* can be used to add custom fields to all watchers, while losing binary compatibility */	157	/* can be used to add custom fields to all watchers, while losing binary compatibility */
151	#ifndef EV_COMMON	158	#ifndef EV_COMMON
152	# define EV_COMMON void *data;	159	# define EV_COMMON void *data;
…		…
154	#ifndef EV_PROTOTYPES	161	#ifndef EV_PROTOTYPES
155	# define EV_PROTOTYPES 1	162	# define EV_PROTOTYPES 1
156	#endif	163	#endif
157		164
158	#define EV_VERSION_MAJOR 3	165	#define EV_VERSION_MAJOR 3
159	#define EV_VERSION_MINOR 0	166	#define EV_VERSION_MINOR 7
160		167
161	#ifndef EV_CB_DECLARE	168	#ifndef EV_CB_DECLARE
162	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);	169	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);
163	#endif	170	#endif
164	#ifndef EV_CB_INVOKE	171	#ifndef EV_CB_INVOKE
…		…
180	* or simply 1 for watchers that aren't in some array.	187	* or simply 1 for watchers that aren't in some array.
181	* pending is either 0, in which case the watcher isn't,	188	* pending is either 0, in which case the watcher isn't,
182	* or the array index + 1 in the pendings array.	189	* or the array index + 1 in the pendings array.
183	*/	190	*/
184		191
		192	#if EV_MINPRI == EV_MAXPRI
		193	# define EV_DECL_PRIORITY
		194	#else
		195	# define EV_DECL_PRIORITY int priority;
		196	#endif
		197
185	/* shared by all watchers */	198	/* shared by all watchers */
186	#define EV_WATCHER(type) \	199	#define EV_WATCHER(type) \
187	int active; /* private */ \	200	int active; /* private */ \
188	int pending; /* private */ \	201	int pending; /* private */ \
189	int priority; /* private */ \	202	EV_DECL_PRIORITY /* private */ \
190	EV_COMMON /* rw */ \	203	EV_COMMON /* rw */ \
191	EV_CB_DECLARE (type) /* private */	204	EV_CB_DECLARE (type) /* private */
192		205
193	#define EV_WATCHER_LIST(type) \	206	#define EV_WATCHER_LIST(type) \
194	EV_WATCHER (type) \	207	EV_WATCHER (type) \
…		…
389	/* the default */	402	/* the default */
390	#define EVFLAG_AUTO 0x00000000U /* not quite a mask */	403	#define EVFLAG_AUTO 0x00000000U /* not quite a mask */
391	/* flag bits */	404	/* flag bits */
392	#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */	405	#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */
393	#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */	406	#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */
		407	/* debugging/feature disable */
		408	#define EVFLAG_NOINOTIFY 0x00100000U /* do not attempt to use inotify */
		409	#define EVFLAG_NOSIGFD 0x00200000U /* do not attempt to use signalfd */
394	/* method bits to be ored together */	410	/* method bits to be ored together */
395	#define EVBACKEND_SELECT 0x00000001U /* about anywhere */	411	#define EVBACKEND_SELECT 0x00000001U /* about anywhere */
396	#define EVBACKEND_POLL 0x00000002U /* !win */	412	#define EVBACKEND_POLL 0x00000002U /* !win */
397	#define EVBACKEND_EPOLL 0x00000004U /* linux */	413	#define EVBACKEND_EPOLL 0x00000004U /* linux */
398	#define EVBACKEND_KQUEUE 0x00000008U /* bsd */	414	#define EVBACKEND_KQUEUE 0x00000008U /* bsd */
…		…
452		468
453	/* create and destroy alternative loops that don't handle signals */	469	/* create and destroy alternative loops that don't handle signals */
454	struct ev_loop *ev_loop_new (unsigned int flags);	470	struct ev_loop *ev_loop_new (unsigned int flags);
455	void ev_loop_destroy (EV_P);	471	void ev_loop_destroy (EV_P);
456	void ev_loop_fork (EV_P);	472	void ev_loop_fork (EV_P);
457	void ev_loop_verify (EV_P);
458		473
459	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */	474	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
460	void ev_now_update (EV_P);
461		475
462	#else	476	#else
463		477
464	int ev_default_loop (unsigned int flags); /* returns true when successful */	478	int ev_default_loop (unsigned int flags); /* returns true when successful */
465		479
…		…
489	/* if you create alternative loops you have to call ev_loop_fork on them */	503	/* if you create alternative loops you have to call ev_loop_fork on them */
490	/* you can call it in either the parent or the child */	504	/* you can call it in either the parent or the child */
491	/* you can actually call it at any time, anywhere :) */	505	/* you can actually call it at any time, anywhere :) */
492	void ev_default_fork (void);	506	void ev_default_fork (void);
493		507
494	unsigned int ev_backend (EV_P); /* backend in use by loop */	508	unsigned int ev_backend (EV_P); /* backend in use by loop */
495	unsigned int ev_loop_count (EV_P); /* number of loop iterations */	509
		510	void ev_now_update (EV_P); /* update event loop time */
		511
		512	#if EV_WALK_ENABLE
		513	/* walk (almost) all watchers in the loop of a given type, invoking the */
		514	/* callback on every such watcher. The callback might stop the watcher, */
		515	/* but do nothing else with the loop */
		516	void ev_walk (EV_P_ int types, void (cb)(EV_P_ int type, void w));
		517	#endif
		518
496	#endif /* prototypes */	519	#endif /* prototypes */
497		520
498	#define EVLOOP_NONBLOCK 1 /* do not block/wait */	521	#define EVLOOP_NONBLOCK 1 /* do not block/wait */
499	#define EVLOOP_ONESHOT 2 /* block once only */	522	#define EVLOOP_ONESHOT 2 /* block once only */
500	#define EVUNLOOP_CANCEL 0 /* undo unloop */	523	#define EVUNLOOP_CANCEL 0 /* undo unloop */
…		…
503		526
504	#if EV_PROTOTYPES	527	#if EV_PROTOTYPES
505	void ev_loop (EV_P_ int flags);	528	void ev_loop (EV_P_ int flags);
506	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 */	529	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 */
507		530
508	void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
509	void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
510
511	/*	531	/*
512	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher	532	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher
513	* keeps one reference. if you have a long-runing watcher you never unregister that	533	* keeps one reference. if you have a long-running watcher you never unregister that
514	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.	534	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.
515	*/	535	*/
516	void ev_ref (EV_P);	536	void ev_ref (EV_P);
517	void ev_unref (EV_P);	537	void ev_unref (EV_P);
518		538
		539	/*
519	/* convenience function, wait for a single event, without registering an event watcher */	540	* convenience function, wait for a single event, without registering an event watcher
520	/* if timeout is < 0, do wait indefinitely */	541	* if timeout is < 0, do wait indefinitely
		542	*/
521	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);	543	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);
		544
		545	# if EV_MINIMAL < 2
		546	unsigned int ev_loop_count (EV_P); /* number of loop iterations */
		547	unsigned int ev_loop_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */
		548	void ev_loop_verify (EV_P); /* abort if loop data corrupted */
		549
		550	void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
		551	void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
		552
		553	/* advanced stuff for threading etc. support, see docs */
		554	void ev_set_userdata (EV_P_ void *data);
		555	void *ev_userdata (EV_P);
		556	void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P));
		557	void ev_set_loop_release_cb (EV_P_ void (release)(EV_P), void (acquire)(EV_P));
		558
		559	unsigned int ev_pending_count (EV_P); /* number of pending events, if any */
		560	void ev_invoke_pending (EV_P); /* invoke all pending watchers */
		561
		562	/*
		563	* stop/start the timer handling.
		564	*/
		565	void ev_suspend (EV_P);
		566	void ev_resume (EV_P);
		567	#endif
		568
522	#endif	569	#endif
523		570
524	/* these may evaluate ev multiple times, and the other arguments at most once */	571	/* these may evaluate ev multiple times, and the other arguments at most once */
525	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */	572	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
526	#define ev_init(ev,cb_) do { \	573	#define ev_init(ev,cb_) do { \
527	((ev_watcher )(void )(ev))->active = \	574	((ev_watcher )(void )(ev))->active = \
528	((ev_watcher )(void )(ev))->pending = \	575	((ev_watcher )(void )(ev))->pending = 0; \
529	((ev_watcher )(void )(ev))->priority = 0; \	576	ev_set_priority ((ev), 0); \
530	ev_set_cb ((ev), cb_); \	577	ev_set_cb ((ev), cb_); \
531	} while (0)	578	} while (0)
532		579
533	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) \| EV_IOFDSET; } while (0)	580	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) \| EV__IOFDSET; } while (0)
534	#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)	581	#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
535	#define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0)	582	#define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0)
536	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)	583	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
537	#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)	584	#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
538	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)	585	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
…		…
557	#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)	604	#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
558		605
559	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */	606	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
560	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */	607	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */
561		608
562	#define ev_priority(ev) ((((ev_watcher )(void )(ev))->priority) + 0)
563	#define ev_cb(ev) (ev)->cb /* rw */	609	#define ev_cb(ev) (ev)->cb /* rw */
		610
		611	#if EV_MINPRI == EV_MAXPRI
		612	# define ev_priority(ev) ((ev), EV_MINPRI)
		613	# define ev_set_priority(ev,pri) ((ev), (pri))
		614	#else
		615	# define ev_priority(ev) ((((ev_watcher )(void )(ev))->priority) + 0)
564	#define ev_set_priority(ev,pri) ((ev_watcher )(void )(ev))->priority = (pri)	616	# define ev_set_priority(ev,pri) ( (ev_watcher )(void )(ev))->priority = (pri)
		617	#endif
565		618
566	#define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.)	619	#define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.)
567		620
568	#ifndef ev_set_cb	621	#ifndef ev_set_cb
569	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)	622	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
…		…
586		639
587	void ev_timer_start (EV_P_ ev_timer *w);	640	void ev_timer_start (EV_P_ ev_timer *w);
588	void ev_timer_stop (EV_P_ ev_timer *w);	641	void ev_timer_stop (EV_P_ ev_timer *w);
589	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */	642	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
590	void ev_timer_again (EV_P_ ev_timer *w);	643	void ev_timer_again (EV_P_ ev_timer *w);
		644	/* return remaining time */
		645	ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w);
591		646
592	#if EV_PERIODIC_ENABLE	647	#if EV_PERIODIC_ENABLE
593	void ev_periodic_start (EV_P_ ev_periodic *w);	648	void ev_periodic_start (EV_P_ ev_periodic *w);
594	void ev_periodic_stop (EV_P_ ev_periodic *w);	649	void ev_periodic_stop (EV_P_ ev_periodic *w);
595	void ev_periodic_again (EV_P_ ev_periodic *w);	650	void ev_periodic_again (EV_P_ ev_periodic *w);

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Comparing libev/ev.h (file contents): Revision 1.110 by root, Wed Mar 4 14:33:10 2009 UTC vs. Revision 1.125 by root, Mon Aug 3 12:12:40 2009 UTC

Diff Legend

Comparing libev/ev.h (file contents):
Revision 1.110 by root, Wed Mar 4 14:33:10 2009 UTC vs.
Revision 1.125 by root, Mon Aug 3 12:12:40 2009 UTC