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

Comparing libev/ev.h (file contents):
Revision 1.3 by root, Tue Oct 30 23:10:33 2007 UTC vs.
Revision 1.90 by root, Tue Dec 25 07:05:45 2007 UTC

		1	/*
		2	* libev native API header
		3	*
		4	* Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de>
		5	* All rights reserved.
		6	*
		7	* Redistribution and use in source and binary forms, with or without modifica-
		8	* tion, are permitted provided that the following conditions are met:
		9	*
		10	* 1. Redistributions of source code must retain the above copyright notice,
		11	* this list of conditions and the following disclaimer.
		12	*
		13	* 2. Redistributions in binary form must reproduce the above copyright
		14	* notice, this list of conditions and the following disclaimer in the
		15	* documentation and/or other materials provided with the distribution.
		16	*
		17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
		18	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
		19	* CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
		20	* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
		21	* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
		22	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
		23	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
		24	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
		25	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
		26	* OF THE POSSIBILITY OF SUCH DAMAGE.
		27	*
		28	* Alternatively, the contents of this file may be used under the terms of
		29	* the GNU General Public License ("GPL") version 2 or any later version,
		30	* in which case the provisions of the GPL are applicable instead of
		31	* the above. If you wish to allow the use of your version of this file
		32	* only under the terms of the GPL and not to allow others to use your
		33	* version of this file under the BSD license, indicate your decision
		34	* by deleting the provisions above and replace them with the notice
		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
		37	* either the BSD or the GPL.
		38	*/
		39
1	#ifndef EV_H	40	#ifndef EV_H__
2	#define EV_H	41	#define EV_H__
		42
		43	#ifdef __cplusplus
		44	extern "C" {
		45	#endif
3		46
4	typedef double ev_tstamp;	47	typedef double ev_tstamp;
5		48
		49	/* these priorities are inclusive, higher priorities will be called earlier */
		50	#ifndef EV_MINPRI
		51	# define EV_MINPRI -2
		52	#endif
		53	#ifndef EV_MAXPRI
		54	# define EV_MAXPRI +2
		55	#endif
		56
		57	#ifndef EV_MULTIPLICITY
		58	# define EV_MULTIPLICITY 1
		59	#endif
		60
		61	#ifndef EV_PERIODIC_ENABLE
		62	# define EV_PERIODIC_ENABLE 1
		63	#endif
		64
		65	#ifndef EV_STAT_ENABLE
		66	# define EV_STAT_ENABLE 1
		67	#endif
		68
		69	#ifndef EV_IDLE_ENABLE
		70	# define EV_IDLE_ENABLE 1
		71	#endif
		72
		73	#ifndef EV_FORK_ENABLE
		74	# define EV_FORK_ENABLE 1
		75	#endif
		76
		77	#ifndef EV_EMBED_ENABLE
		78	# define EV_EMBED_ENABLE 1
		79	#endif
		80
		81	/*****************************************************************************/
		82
		83	#if EV_STAT_ENABLE
		84	# include <sys/stat.h>
		85	#endif
		86
		87	/* support multiple event loops? */
		88	#if EV_MULTIPLICITY
		89	struct ev_loop;
		90	# define EV_P struct ev_loop *loop
		91	# define EV_P_ EV_P,
		92	# define EV_A loop
		93	# define EV_A_ EV_A,
		94	# define EV_DEFAULT ev_default_loop (0)
		95	# define EV_DEFAULT_ EV_DEFAULT,
		96	#else
		97	# define EV_P void
		98	# define EV_P_
		99	# define EV_A
		100	# define EV_A_
		101	# define EV_DEFAULT
		102	# define EV_DEFAULT_
		103
		104	# undef EV_EMBED_ENABLE
		105	#endif
		106
6	/* eventmask, revents, events... */	107	/* eventmask, revents, events... */
7	#define EV_UNDEF -1 /* guaranteed to be invalid */	108	#define EV_UNDEF -1L /* guaranteed to be invalid */
8	#define EV_NONE 0	109	#define EV_NONE 0x00L /* no events */
9	#define EV_READ 1	110	#define EV_READ 0x01L /* ev_io detected read will not block */
10	#define EV_WRITE 2	111	#define EV_WRITE 0x02L /* ev_io detected write will not block */
11	#define EV_TIMEOUT 4	112	#define EV_IOFDSET 0x80L /* internal use only */
12	#define EV_SIGNAL 8	113	#define EV_TIMEOUT 0x00000100L /* timer timed out */
		114	#define EV_PERIODIC 0x00000200L /* periodic timer timed out */
		115	#define EV_SIGNAL 0x00000400L /* signal was received */
		116	#define EV_CHILD 0x00000800L /* child/pid had status change */
		117	#define EV_STAT 0x00001000L /* stat data changed */
		118	#define EV_IDLE 0x00002000L /* event loop is idling */
		119	#define EV_PREPARE 0x00004000L /* event loop about to poll */
		120	#define EV_CHECK 0x00008000L /* event loop finished poll */
		121	#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */
		122	#define EV_FORK 0x00020000L /* event loop resumed in child */
		123	#define EV_ERROR 0x80000000L /* sent when an error occurs */
		124
		125	/* can be used to add custom fields to all watchers, while losing binary compatibility */
		126	#ifndef EV_COMMON
		127	# define EV_COMMON void *data;
		128	#endif
		129	#ifndef EV_PROTOTYPES
		130	# define EV_PROTOTYPES 1
		131	#endif
		132
		133	#define EV_VERSION_MAJOR 2
		134	#define EV_VERSION_MINOR 0
		135
		136	#ifndef EV_CB_DECLARE
		137	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);
		138	#endif
		139	#ifndef EV_CB_INVOKE
		140	# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
		141	#endif
		142
		143	/*
		144	* struct member types:
		145	* private: you can look at them, but not change them, and they might not mean anything to you.
		146	* ro: can be read anytime, but only changed when the watcher isn't active
		147	* rw: can be read and modified anytime, even when the watcher is active
		148	*/
13		149
14	/* shared by all watchers */	150	/* shared by all watchers */
15	#define EV_WATCHER(type) \	151	#define EV_WATCHER(type) \
16	int active; /* private */ \	152	int active; /* private */ \
17	int pending; /* private */ \	153	int pending; /* private */ \
18	void data; / rw */ \	154	int priority; /* private */ \
19	void (cb)(struct type , int revents) /* rw */	155	EV_COMMON /* rw */ \
		156	EV_CB_DECLARE (type) /* private */
20		157
21	#define EV_WATCHER_LIST(type) \	158	#define EV_WATCHER_LIST(type) \
22	EV_WATCHER (type); \	159	EV_WATCHER (type) \
23	struct type next / private */	160	struct ev_watcher_list next; / private */
24		161
25	struct ev_timer	162	#define EV_WATCHER_TIME(type) \
26	{	163	EV_WATCHER (type) \
27	EV_WATCHER_LIST (ev_timer);
28
29	ev_tstamp at; /* private */	164	ev_tstamp at; /* private */
30	ev_tstamp repeat; /* rw */
31	unsigned char is_abs; /* ro */
32	};
33		165
		166	/* base class, nothing to see here unless you subclass */
		167	typedef struct ev_watcher
		168	{
		169	EV_WATCHER (ev_watcher)
		170	} ev_watcher;
		171
		172	/* base class, nothing to see here unless you subclass */
		173	typedef struct ev_watcher_list
		174	{
		175	EV_WATCHER_LIST (ev_watcher_list)
		176	} ev_watcher_list;
		177
		178	/* base class, nothing to see here unless you subclass */
		179	typedef struct ev_watcher_time
		180	{
		181	EV_WATCHER_TIME (ev_watcher_time)
		182	} ev_watcher_time;
		183
		184	/* invoked when fd is either EV_READable or EV_WRITEable */
		185	/* revent EV_READ, EV_WRITE */
34	struct ev_io	186	typedef struct ev_io
35	{	187	{
36	EV_WATCHER_LIST (ev_io);	188	EV_WATCHER_LIST (ev_io)
37		189
38	int fd; /* ro */	190	int fd; /* ro */
39	int events; /* ro */	191	int events; /* ro */
		192	} ev_io;
		193
		194	/* invoked after a specific time, repeatable (based on monotonic clock) */
		195	/* revent EV_TIMEOUT */
		196	typedef struct ev_timer
		197	{
		198	EV_WATCHER_TIME (ev_timer)
		199
		200	ev_tstamp repeat; /* rw */
		201	} ev_timer;
		202
		203	/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */
		204	/* revent EV_PERIODIC */
		205	typedef struct ev_periodic
		206	{
		207	EV_WATCHER_TIME (ev_periodic)
		208
		209	ev_tstamp offset; /* rw */
		210	ev_tstamp interval; /* rw */
		211	ev_tstamp (reschedule_cb)(struct ev_periodic w, ev_tstamp now); /* rw */
		212	} ev_periodic;
		213
		214	/* invoked when the given signal has been received */
		215	/* revent EV_SIGNAL */
		216	typedef struct ev_signal
		217	{
		218	EV_WATCHER_LIST (ev_signal)
		219
		220	int signum; /* ro */
		221	} ev_signal;
		222
		223	/* invoked when sigchld is received and waitpid indicates the given pid */
		224	/* revent EV_CHILD */
		225	/* does not support priorities */
		226	typedef struct ev_child
		227	{
		228	EV_WATCHER_LIST (ev_child)
		229
		230	int pid; /* ro */
		231	int rpid; /* rw, holds the received pid */
		232	int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
		233	} ev_child;
		234
		235	#if EV_STAT_ENABLE
		236	/* st_nlink = 0 means missing file or other error */
		237	# ifdef _WIN32
		238	typedef struct _stati64 ev_statdata;
		239	# else
		240	typedef struct stat ev_statdata;
		241	# endif
		242
		243	/* invoked each time the stat data changes for a given path */
		244	/* revent EV_STAT */
		245	typedef struct ev_stat
		246	{
		247	EV_WATCHER_LIST (ev_stat)
		248
		249	ev_timer timer; /* private */
		250	ev_tstamp interval; /* ro */
		251	const char path; / ro */
		252	ev_statdata prev; /* ro */
		253	ev_statdata attr; /* ro */
		254
		255	int wd; /* wd for inotify, fd for kqueue */
		256	} ev_stat;
		257	#endif
		258
		259	#if EV_IDLE_ENABLE
		260	/* invoked when the nothing else needs to be done, keeps the process from blocking */
		261	/* revent EV_IDLE */
		262	typedef struct ev_idle
		263	{
		264	EV_WATCHER (ev_idle)
		265	} ev_idle;
		266	#endif
		267
		268	/* invoked for each run of the mainloop, just before the blocking call */
		269	/* you can still change events in any way you like */
		270	/* revent EV_PREPARE */
		271	typedef struct ev_prepare
		272	{
		273	EV_WATCHER (ev_prepare)
		274	} ev_prepare;
		275
		276	/* invoked for each run of the mainloop, just after the blocking call */
		277	/* revent EV_CHECK */
		278	typedef struct ev_check
		279	{
		280	EV_WATCHER (ev_check)
		281	} ev_check;
		282
		283	#if EV_FORK_ENABLE
		284	/* the callback gets invoked before check in the child process when a fork was detected */
		285	typedef struct ev_fork
		286	{
		287	EV_WATCHER (ev_fork)
		288	} ev_fork;
		289	#endif
		290
		291	#if EV_EMBED_ENABLE
		292	/* used to embed an event loop inside another */
		293	/* the callback gets invoked when the event loop has handled events, and can be 0 */
		294	typedef struct ev_embed
		295	{
		296	EV_WATCHER (ev_embed)
		297
		298	struct ev_loop other; / ro */
		299	ev_io io; /* private */
		300	ev_prepare prepare; /* private */
		301	ev_check check; /* unused */
		302	ev_timer timer; /* unused */
		303	ev_periodic periodic; /* unused */
		304	ev_idle idle; /* unused */
		305	ev_fork fork; /* unused */
		306	} ev_embed;
		307	#endif
		308
		309	/* the presence of this union forces similar struct layout */
		310	union ev_any_watcher
		311	{
		312	struct ev_watcher w;
		313	struct ev_watcher_list wl;
		314
		315	struct ev_io io;
		316	struct ev_timer timer;
		317	struct ev_periodic periodic;
		318	struct ev_signal signal;
		319	struct ev_child child;
		320	#if EV_STAT_ENABLE
		321	struct ev_stat stat;
		322	#endif
		323	#if EV_IDLE_ENABLE
		324	struct ev_idle idle;
		325	#endif
		326	struct ev_prepare prepare;
		327	struct ev_check check;
		328	#if EV_FORK_ENABLE
		329	struct ev_fork fork;
		330	#endif
		331	#if EV_EMBED_ENABLE
		332	struct ev_embed embed;
		333	#endif
40	};	334	};
41		335
42	struct ev_signal	336	/* bits for ev_default_loop and ev_loop_new */
43	{	337	/* the default */
44	EV_WATCHER_LIST (ev_signal);	338	#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */
		339	/* flag bits */
		340	#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */
		341	#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */
		342	/* method bits to be ored together */
		343	#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */
		344	#define EVBACKEND_POLL 0x00000002UL /* !win */
		345	#define EVBACKEND_EPOLL 0x00000004UL /* linux */
		346	#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */
		347	#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 / / NYI */
		348	#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */
45		349
46	int signum; /* ro */	350	#if EV_PROTOTYPES
47	};	351	int ev_version_major (void);
		352	int ev_version_minor (void);
48		353
49	#define EVMETHOD_NONE 0	354	unsigned int ev_supported_backends (void);
50	#define EVMETHOD_SELECT 1	355	unsigned int ev_recommended_backends (void);
51	#define EVMETHOD_EPOLL 2	356	unsigned int ev_embeddable_backends (void);
52	int ev_init (int flags);
53	extern int ev_method;
54		357
55	void ev_prefork (void);
56	void ev_postfork_parent (void);
57	void ev_postfork_child (void);
58
59	extern ev_tstamp ev_now; /* time w.r.t. timers and the eventloop, updated after each poll */
60	ev_tstamp ev_time (void);	358	ev_tstamp ev_time (void);
		359	void ev_sleep (ev_tstamp delay); /* sleep for a while */
		360
		361	/* Sets the allocation function to use, works like realloc.
		362	* It is used to allocate and free memory.
		363	* If it returns zero when memory needs to be allocated, the library might abort
		364	* or take some potentially destructive action.
		365	* The default is your system realloc function.
		366	*/
		367	void ev_set_allocator (void (cb)(void *ptr, long size));
		368
		369	/* set the callback function to call on a
		370	* retryable syscall error
		371	* (such as failed select, poll, epoll_wait)
		372	*/
		373	void ev_set_syserr_cb (void (cb)(const char msg));
		374
		375	# if EV_MULTIPLICITY
		376	/* the default loop is the only one that handles signals and child watchers */
		377	/* you can call this as often as you like */
		378	static struct ev_loop *
		379	ev_default_loop (unsigned int flags)
		380	{
		381	extern struct ev_loop *ev_default_loop_ptr;
		382	extern struct ev_loop *ev_default_loop_init (unsigned int flags);
		383
		384	if (!ev_default_loop_ptr)
		385	ev_default_loop_init (flags);
		386
		387	return ev_default_loop_ptr;
		388	}
		389
		390	/* create and destroy alternative loops that don't handle signals */
		391	struct ev_loop *ev_loop_new (unsigned int flags);
		392	void ev_loop_destroy (EV_P);
		393	void ev_loop_fork (EV_P);
		394
		395	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
		396
		397	# else
		398
		399	int ev_default_loop (unsigned int flags); /* returns true when successful */
		400
		401	static ev_tstamp
		402	ev_now (void)
		403	{
		404	extern ev_tstamp ev_rt_now;
		405
		406	return ev_rt_now;
		407	}
		408	# endif
		409
		410	void ev_default_destroy (void); /* destroy the default loop */
		411	/* this needs to be called after fork, to duplicate the default loop */
		412	/* if you create alternative loops you have to call ev_loop_fork on them */
		413	/* you can call it in either the parent or the child */
		414	/* you can actually call it at any time, anywhere :) */
		415	void ev_default_fork (void);
		416
		417	unsigned int ev_backend (EV_P); /* backend in use by loop */
		418	unsigned int ev_loop_count (EV_P); /* number of loop iterations */
		419	#endif
61		420
62	#define EVLOOP_NONBLOCK 1 /* do not block/wait */	421	#define EVLOOP_NONBLOCK 1 /* do not block/wait */
63	#define EVLOOP_ONESHOT 2 /* block once only */	422	#define EVLOOP_ONESHOT 2 /* block once only */
		423	#define EVUNLOOP_CANCEL 0 /* undo unloop */
		424	#define EVUNLOOP_ONE 1 /* unloop once */
		425	#define EVUNLOOP_ALL 2 /* unloop all loops */
		426
		427	#if EV_PROTOTYPES
64	void ev_loop (int flags);	428	void ev_loop (EV_P_ int flags);
65	extern int ev_loop_done; /* set to 1 to break out of event loop */	429	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 */
		430
		431	void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
		432	void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
		433
		434	/*
		435	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher
		436	* keeps one reference. if you have a long-runing watcher you never unregister that
		437	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.
		438	*/
		439	void ev_ref (EV_P);
		440	void ev_unref (EV_P);
		441
		442	/* convinience function, wait for a single event, without registering an event watcher */
		443	/* if timeout is < 0, do wait indefinitely */
		444	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);
		445	#endif
66		446
67	/* these may evaluate ev multiple times, and the other arguments at most once */	447	/* these may evaluate ev multiple times, and the other arguments at most once */
68	#define evw_init(ev,cb_,data_) do { (ev)->active = 0; (ev)->cb = (cb_); (ev)->data = (void *)data_; } while (0)	448	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
		449	#define ev_init(ev,cb_) do { \
		450	((ev_watcher )(void )(ev))->active = \
		451	((ev_watcher )(void )(ev))->pending = \
		452	((ev_watcher )(void )(ev))->priority = 0; \
		453	ev_set_cb ((ev), cb_); \
		454	} while (0)
69		455
70	#define evio_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)	456	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) \| EV_IOFDSET; } while (0)
71	#define evtimer_set_rel(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); (ev)->is_abs = 0; } while (0)	457	#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
72	#define evtimer_set_abs(ev,at_,repeat_) do { (ev)->at = (at_); (ev)->repeat = (repeat_); (ev)->is_abs = 1; } while (0)	458	#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
73	#define evsignal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)	459	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
		460	#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
		461	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
		462	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
		463	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
		464	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
		465	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
		466	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
74		467
		468	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
		469	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
		470	#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
		471	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
		472	#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
		473	#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
		474	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
		475	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
		476	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
		477	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
		478	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
		479
		480	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
75	#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */	481	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */
76		482
		483	#define ev_priority(ev) ((((ev_watcher )(void )(ev))->priority) + 0)
		484	#define ev_cb(ev) (ev)->cb /* rw */
		485	#define ev_set_priority(ev,pri) ((ev_watcher )(void )(ev))->priority = (pri)
		486
		487	#ifndef ev_set_cb
		488	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
		489	#endif
		490
		491	/* stopping (enabling, adding) a watcher does nothing if it is already running */
		492	/* stopping (disabling, deleting) a watcher does nothing unless its already running */
		493	#if EV_PROTOTYPES
		494
		495	/* feeds an event into a watcher as if the event actually occured */
		496	/* accepts any ev_watcher type */
		497	void ev_feed_event (EV_P_ void *w, int revents);
		498	void ev_feed_fd_event (EV_P_ int fd, int revents);
		499	void ev_feed_signal_event (EV_P_ int signum);
		500	void ev_invoke (EV_P_ void *w, int revents);
		501	int ev_clear_pending (EV_P_ void *w);
		502
77	void evio_start (struct ev_io *w);	503	void ev_io_start (EV_P_ ev_io *w);
78	void evio_stop (struct ev_io *w);	504	void ev_io_stop (EV_P_ ev_io *w);
79		505
80	void evtimer_start (struct ev_timer *w);	506	void ev_timer_start (EV_P_ ev_timer *w);
81	void evtimer_stop (struct ev_timer *w);	507	void ev_timer_stop (EV_P_ ev_timer *w);
		508	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
		509	void ev_timer_again (EV_P_ ev_timer *w);
82		510
		511	#if EV_PERIODIC_ENABLE
		512	void ev_periodic_start (EV_P_ ev_periodic *w);
		513	void ev_periodic_stop (EV_P_ ev_periodic *w);
		514	void ev_periodic_again (EV_P_ ev_periodic *w);
		515	#endif
		516
		517	/* only supported in the default loop */
83	void evsignal_start (struct ev_signal *w);	518	void ev_signal_start (EV_P_ ev_signal *w);
84	void evsignal_stop (struct ev_signal *w);	519	void ev_signal_stop (EV_P_ ev_signal *w);
85		520
		521	/* only supported in the default loop */
		522	void ev_child_start (EV_P_ ev_child *w);
		523	void ev_child_stop (EV_P_ ev_child *w);
		524
		525	# if EV_STAT_ENABLE
		526	void ev_stat_start (EV_P_ ev_stat *w);
		527	void ev_stat_stop (EV_P_ ev_stat *w);
		528	void ev_stat_stat (EV_P_ ev_stat *w);
86	#endif	529	# endif
87		530
		531	# if EV_IDLE_ENABLE
		532	void ev_idle_start (EV_P_ ev_idle *w);
		533	void ev_idle_stop (EV_P_ ev_idle *w);
		534	# endif
		535
		536	void ev_prepare_start (EV_P_ ev_prepare *w);
		537	void ev_prepare_stop (EV_P_ ev_prepare *w);
		538
		539	void ev_check_start (EV_P_ ev_check *w);
		540	void ev_check_stop (EV_P_ ev_check *w);
		541
		542	# if EV_FORK_ENABLE
		543	void ev_fork_start (EV_P_ ev_fork *w);
		544	void ev_fork_stop (EV_P_ ev_fork *w);
		545	# endif
		546
		547	# if EV_EMBED_ENABLE
		548	/* only supported when loop to be embedded is in fact embeddable */
		549	void ev_embed_start (EV_P_ ev_embed *w);
		550	void ev_embed_stop (EV_P_ ev_embed *w);
		551	void ev_embed_sweep (EV_P_ ev_embed *w);
		552	# endif
		553
		554	#endif
		555
		556	#ifdef __cplusplus
		557	}
		558	#endif
		559
		560	#endif
		561

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Comparing libev/ev.h (file contents): Revision 1.3 by root, Tue Oct 30 23:10:33 2007 UTC vs. Revision 1.90 by root, Tue Dec 25 07:05:45 2007 UTC

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Comparing libev/ev.h (file contents):
Revision 1.3 by root, Tue Oct 30 23:10:33 2007 UTC vs.
Revision 1.90 by root, Tue Dec 25 07:05:45 2007 UTC