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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 1.92 by root, Thu Jan 31 13:10:56 2008 UTC

1/*
2 * libev native API header
3 *
4 * Copyright (c) 2007,2008 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
44extern "C" {
45#endif
3 46
4typedef double ev_tstamp; 47typedef 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#ifndef EV_ASYNC_ENABLE
82# define EV_ASYNC_ENABLE 1
83#endif
84
85#ifndef EV_ATOMIC_T
86# include <signal.h>
87# define EV_ATOMIC_T sig_atomic_t volatile
88#endif
89
90/*****************************************************************************/
91
92#if EV_STAT_ENABLE
93# include <sys/stat.h>
94#endif
95
96/* support multiple event loops? */
97#if EV_MULTIPLICITY
98struct ev_loop;
99# define EV_P struct ev_loop *loop
100# define EV_P_ EV_P,
101# define EV_A loop
102# define EV_A_ EV_A,
103# define EV_DEFAULT ev_default_loop (0)
104# define EV_DEFAULT_ EV_DEFAULT,
105#else
106# define EV_P void
107# define EV_P_
108# define EV_A
109# define EV_A_
110# define EV_DEFAULT
111# define EV_DEFAULT_
112
113# undef EV_EMBED_ENABLE
114#endif
115
6/* eventmask, revents, events... */ 116/* eventmask, revents, events... */
7#define EV_UNDEF -1 /* guaranteed to be invalid */ 117#define EV_UNDEF -1L /* guaranteed to be invalid */
8#define EV_NONE 0 118#define EV_NONE 0x00L /* no events */
9#define EV_READ 1 119#define EV_READ 0x01L /* ev_io detected read will not block */
10#define EV_WRITE 2 120#define EV_WRITE 0x02L /* ev_io detected write will not block */
11#define EV_TIMEOUT 4 121#define EV_IOFDSET 0x80L /* internal use only */
12#define EV_SIGNAL 8 122#define EV_TIMEOUT 0x00000100L /* timer timed out */
123#define EV_PERIODIC 0x00000200L /* periodic timer timed out */
124#define EV_SIGNAL 0x00000400L /* signal was received */
125#define EV_CHILD 0x00000800L /* child/pid had status change */
126#define EV_STAT 0x00001000L /* stat data changed */
127#define EV_IDLE 0x00002000L /* event loop is idling */
128#define EV_PREPARE 0x00004000L /* event loop about to poll */
129#define EV_CHECK 0x00008000L /* event loop finished poll */
130#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */
131#define EV_FORK 0x00020000L /* event loop resumed in child */
132#define EV_ASYNC 0x00040000L /* async intra-loop signal */
133#define EV_ERROR 0x80000000L /* sent when an error occurs */
134
135/* can be used to add custom fields to all watchers, while losing binary compatibility */
136#ifndef EV_COMMON
137# define EV_COMMON void *data;
138#endif
139#ifndef EV_PROTOTYPES
140# define EV_PROTOTYPES 1
141#endif
142
143#define EV_VERSION_MAJOR 3
144#define EV_VERSION_MINOR 0
145
146#ifndef EV_CB_DECLARE
147# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
148#endif
149#ifndef EV_CB_INVOKE
150# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
151#endif
152
153/*
154 * struct member types:
155 * private: you can look at them, but not change them, and they might not mean anything to you.
156 * ro: can be read anytime, but only changed when the watcher isn't active
157 * rw: can be read and modified anytime, even when the watcher is active
158 */
13 159
14/* shared by all watchers */ 160/* shared by all watchers */
15#define EV_WATCHER(type) \ 161#define EV_WATCHER(type) \
16 int active; /* private */ \ 162 int active; /* private */ \
17 int pending; /* private */ \ 163 int pending; /* private */ \
18 void *data; /* rw */ \ 164 int priority; /* private */ \
19 void (*cb)(struct type *, int revents) /* rw */ 165 EV_COMMON /* rw */ \
166 EV_CB_DECLARE (type) /* private */
20 167
21#define EV_WATCHER_LIST(type) \ 168#define EV_WATCHER_LIST(type) \
22 EV_WATCHER (type); \ 169 EV_WATCHER (type) \
23 struct type *next /* private */ 170 struct ev_watcher_list *next; /* private */
24 171
25struct ev_timer 172#define EV_WATCHER_TIME(type) \
26{ 173 EV_WATCHER (type) \
27 EV_WATCHER_LIST (ev_timer);
28
29 ev_tstamp at; /* private */ 174 ev_tstamp at; /* private */
30 ev_tstamp repeat; /* rw */
31 unsigned char is_abs; /* ro */
32};
33 175
176/* base class, nothing to see here unless you subclass */
177typedef struct ev_watcher
178{
179 EV_WATCHER (ev_watcher)
180} ev_watcher;
181
182/* base class, nothing to see here unless you subclass */
183typedef struct ev_watcher_list
184{
185 EV_WATCHER_LIST (ev_watcher_list)
186} ev_watcher_list;
187
188/* base class, nothing to see here unless you subclass */
189typedef struct ev_watcher_time
190{
191 EV_WATCHER_TIME (ev_watcher_time)
192} ev_watcher_time;
193
194/* invoked when fd is either EV_READable or EV_WRITEable */
195/* revent EV_READ, EV_WRITE */
34struct ev_io 196typedef struct ev_io
35{ 197{
36 EV_WATCHER_LIST (ev_io); 198 EV_WATCHER_LIST (ev_io)
37 199
38 int fd; /* ro */ 200 int fd; /* ro */
39 int events; /* ro */ 201 int events; /* ro */
202} ev_io;
203
204/* invoked after a specific time, repeatable (based on monotonic clock) */
205/* revent EV_TIMEOUT */
206typedef struct ev_timer
207{
208 EV_WATCHER_TIME (ev_timer)
209
210 ev_tstamp repeat; /* rw */
211} ev_timer;
212
213/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */
214/* revent EV_PERIODIC */
215typedef struct ev_periodic
216{
217 EV_WATCHER_TIME (ev_periodic)
218
219 ev_tstamp offset; /* rw */
220 ev_tstamp interval; /* rw */
221 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */
222} ev_periodic;
223
224/* invoked when the given signal has been received */
225/* revent EV_SIGNAL */
226typedef struct ev_signal
227{
228 EV_WATCHER_LIST (ev_signal)
229
230 int signum; /* ro */
231} ev_signal;
232
233/* invoked when sigchld is received and waitpid indicates the given pid */
234/* revent EV_CHILD */
235/* does not support priorities */
236typedef struct ev_child
237{
238 EV_WATCHER_LIST (ev_child)
239
240 int flags; /* private */
241 int pid; /* ro */
242 int rpid; /* rw, holds the received pid */
243 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
244} ev_child;
245
246#if EV_STAT_ENABLE
247/* st_nlink = 0 means missing file or other error */
248# ifdef _WIN32
249typedef struct _stati64 ev_statdata;
250# else
251typedef struct stat ev_statdata;
252# endif
253
254/* invoked each time the stat data changes for a given path */
255/* revent EV_STAT */
256typedef struct ev_stat
257{
258 EV_WATCHER_LIST (ev_stat)
259
260 ev_timer timer; /* private */
261 ev_tstamp interval; /* ro */
262 const char *path; /* ro */
263 ev_statdata prev; /* ro */
264 ev_statdata attr; /* ro */
265
266 int wd; /* wd for inotify, fd for kqueue */
267} ev_stat;
268#endif
269
270#if EV_IDLE_ENABLE
271/* invoked when the nothing else needs to be done, keeps the process from blocking */
272/* revent EV_IDLE */
273typedef struct ev_idle
274{
275 EV_WATCHER (ev_idle)
276} ev_idle;
277#endif
278
279/* invoked for each run of the mainloop, just before the blocking call */
280/* you can still change events in any way you like */
281/* revent EV_PREPARE */
282typedef struct ev_prepare
283{
284 EV_WATCHER (ev_prepare)
285} ev_prepare;
286
287/* invoked for each run of the mainloop, just after the blocking call */
288/* revent EV_CHECK */
289typedef struct ev_check
290{
291 EV_WATCHER (ev_check)
292} ev_check;
293
294#if EV_FORK_ENABLE
295/* the callback gets invoked before check in the child process when a fork was detected */
296typedef struct ev_fork
297{
298 EV_WATCHER (ev_fork)
299} ev_fork;
300#endif
301
302#if EV_EMBED_ENABLE
303/* used to embed an event loop inside another */
304/* the callback gets invoked when the event loop has handled events, and can be 0 */
305typedef struct ev_embed
306{
307 EV_WATCHER (ev_embed)
308
309 struct ev_loop *other; /* ro */
310 ev_io io; /* private */
311 ev_prepare prepare; /* private */
312 ev_check check; /* unused */
313 ev_timer timer; /* unused */
314 ev_periodic periodic; /* unused */
315 ev_idle idle; /* unused */
316 ev_fork fork; /* unused */
317} ev_embed;
318#endif
319
320#if EV_ASYNC_ENABLE
321/* invoked when somebody calls ev_async_send on the watcher */
322/* revent EV_ASYNC */
323typedef struct ev_async
324{
325 EV_WATCHER (ev_async)
326
327 EV_ATOMIC_T sent; /* private */
328} ev_async;
329#endif
330
331/* the presence of this union forces similar struct layout */
332union ev_any_watcher
333{
334 struct ev_watcher w;
335 struct ev_watcher_list wl;
336
337 struct ev_io io;
338 struct ev_timer timer;
339 struct ev_periodic periodic;
340 struct ev_signal signal;
341 struct ev_child child;
342#if EV_STAT_ENABLE
343 struct ev_stat stat;
344#endif
345#if EV_IDLE_ENABLE
346 struct ev_idle idle;
347#endif
348 struct ev_prepare prepare;
349 struct ev_check check;
350#if EV_FORK_ENABLE
351 struct ev_fork fork;
352#endif
353#if EV_EMBED_ENABLE
354 struct ev_embed embed;
355#endif
356#if EV_ASYND_ENABLE
357 struct ev_async async;
358#endif
40}; 359};
41 360
42struct ev_signal 361/* bits for ev_default_loop and ev_loop_new */
43{ 362/* the default */
44 EV_WATCHER_LIST (ev_signal); 363#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */
364/* flag bits */
365#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */
366#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */
367/* method bits to be ored together */
368#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */
369#define EVBACKEND_POLL 0x00000002UL /* !win */
370#define EVBACKEND_EPOLL 0x00000004UL /* linux */
371#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */
372#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */
373#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */
45 374
46 int signum; /* ro */ 375#if EV_PROTOTYPES
47}; 376int ev_version_major (void);
377int ev_version_minor (void);
48 378
49#define EVMETHOD_NONE 0 379unsigned int ev_supported_backends (void);
50#define EVMETHOD_SELECT 1 380unsigned int ev_recommended_backends (void);
51#define EVMETHOD_EPOLL 2 381unsigned int ev_embeddable_backends (void);
52int ev_init (int flags);
53extern int ev_method;
54 382
55void ev_prefork (void);
56void ev_postfork_parent (void);
57void ev_postfork_child (void);
58
59extern ev_tstamp ev_now; /* time w.r.t. timers and the eventloop, updated after each poll */
60ev_tstamp ev_time (void); 383ev_tstamp ev_time (void);
384void ev_sleep (ev_tstamp delay); /* sleep for a while */
385
386/* Sets the allocation function to use, works like realloc.
387 * It is used to allocate and free memory.
388 * If it returns zero when memory needs to be allocated, the library might abort
389 * or take some potentially destructive action.
390 * The default is your system realloc function.
391 */
392void ev_set_allocator (void *(*cb)(void *ptr, long size));
393
394/* set the callback function to call on a
395 * retryable syscall error
396 * (such as failed select, poll, epoll_wait)
397 */
398void ev_set_syserr_cb (void (*cb)(const char *msg));
399
400# if EV_MULTIPLICITY
401/* the default loop is the only one that handles signals and child watchers */
402/* you can call this as often as you like */
403static struct ev_loop *
404ev_default_loop (unsigned int flags)
405{
406 extern struct ev_loop *ev_default_loop_ptr;
407 extern struct ev_loop *ev_default_loop_init (unsigned int flags);
408
409 if (!ev_default_loop_ptr)
410 ev_default_loop_init (flags);
411
412 return ev_default_loop_ptr;
413}
414
415/* create and destroy alternative loops that don't handle signals */
416struct ev_loop *ev_loop_new (unsigned int flags);
417void ev_loop_destroy (EV_P);
418void ev_loop_fork (EV_P);
419
420ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
421
422# else
423
424int ev_default_loop (unsigned int flags); /* returns true when successful */
425
426static ev_tstamp
427ev_now (void)
428{
429 extern ev_tstamp ev_rt_now;
430
431 return ev_rt_now;
432}
433# endif
434
435void ev_default_destroy (void); /* destroy the default loop */
436/* this needs to be called after fork, to duplicate the default loop */
437/* if you create alternative loops you have to call ev_loop_fork on them */
438/* you can call it in either the parent or the child */
439/* you can actually call it at any time, anywhere :) */
440void ev_default_fork (void);
441
442unsigned int ev_backend (EV_P); /* backend in use by loop */
443unsigned int ev_loop_count (EV_P); /* number of loop iterations */
444#endif
61 445
62#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 446#define EVLOOP_NONBLOCK 1 /* do not block/wait */
63#define EVLOOP_ONESHOT 2 /* block *once* only */ 447#define EVLOOP_ONESHOT 2 /* block *once* only */
448#define EVUNLOOP_CANCEL 0 /* undo unloop */
449#define EVUNLOOP_ONE 1 /* unloop once */
450#define EVUNLOOP_ALL 2 /* unloop all loops */
451
452#if EV_PROTOTYPES
64void ev_loop (int flags); 453void ev_loop (EV_P_ int flags);
65extern int ev_loop_done; /* set to 1 to break out of event loop */ 454void 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 */
455
456void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
457void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
458
459/*
460 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
461 * keeps one reference. if you have a long-runing watcher you never unregister that
462 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
463 */
464void ev_ref (EV_P);
465void ev_unref (EV_P);
466
467/* convinience function, wait for a single event, without registering an event watcher */
468/* if timeout is < 0, do wait indefinitely */
469void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
470#endif
66 471
67/* these may evaluate ev multiple times, and the other arguments at most once */ 472/* 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) 473/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
474#define ev_init(ev,cb_) do { \
475 ((ev_watcher *)(void *)(ev))->active = \
476 ((ev_watcher *)(void *)(ev))->pending = \
477 ((ev_watcher *)(void *)(ev))->priority = 0; \
478 ev_set_cb ((ev), cb_); \
479} while (0)
69 480
70#define evio_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 481#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) 482#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) 483#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) 484#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
485#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
486#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
487#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
488#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
489#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
490#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
491#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
492#define ev_async_set(ev) do { (ev)->gotasync = 0; } while (0)
74 493
494#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
495#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
496#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
497#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
498#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
499#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
500#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
501#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
502#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
503#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
504#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
505#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
506
507#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 */ 508#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
76 509
510#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
511#define ev_cb(ev) (ev)->cb /* rw */
512#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri)
513
514#ifndef ev_set_cb
515# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
516#endif
517
518/* stopping (enabling, adding) a watcher does nothing if it is already running */
519/* stopping (disabling, deleting) a watcher does nothing unless its already running */
520#if EV_PROTOTYPES
521
522/* feeds an event into a watcher as if the event actually occured */
523/* accepts any ev_watcher type */
524void ev_feed_event (EV_P_ void *w, int revents);
525void ev_feed_fd_event (EV_P_ int fd, int revents);
526void ev_feed_signal_event (EV_P_ int signum);
527void ev_invoke (EV_P_ void *w, int revents);
528int ev_clear_pending (EV_P_ void *w);
529
77void evio_start (struct ev_io *w); 530void ev_io_start (EV_P_ ev_io *w);
78void evio_stop (struct ev_io *w); 531void ev_io_stop (EV_P_ ev_io *w);
79 532
80void evtimer_start (struct ev_timer *w); 533void ev_timer_start (EV_P_ ev_timer *w);
81void evtimer_stop (struct ev_timer *w); 534void ev_timer_stop (EV_P_ ev_timer *w);
535/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
536void ev_timer_again (EV_P_ ev_timer *w);
82 537
538#if EV_PERIODIC_ENABLE
539void ev_periodic_start (EV_P_ ev_periodic *w);
540void ev_periodic_stop (EV_P_ ev_periodic *w);
541void ev_periodic_again (EV_P_ ev_periodic *w);
542#endif
543
544/* only supported in the default loop */
83void evsignal_start (struct ev_signal *w); 545void ev_signal_start (EV_P_ ev_signal *w);
84void evsignal_stop (struct ev_signal *w); 546void ev_signal_stop (EV_P_ ev_signal *w);
85 547
548/* only supported in the default loop */
549void ev_child_start (EV_P_ ev_child *w);
550void ev_child_stop (EV_P_ ev_child *w);
551
552# if EV_STAT_ENABLE
553void ev_stat_start (EV_P_ ev_stat *w);
554void ev_stat_stop (EV_P_ ev_stat *w);
555void ev_stat_stat (EV_P_ ev_stat *w);
86#endif 556# endif
87 557
558# if EV_IDLE_ENABLE
559void ev_idle_start (EV_P_ ev_idle *w);
560void ev_idle_stop (EV_P_ ev_idle *w);
561# endif
562
563void ev_prepare_start (EV_P_ ev_prepare *w);
564void ev_prepare_stop (EV_P_ ev_prepare *w);
565
566void ev_check_start (EV_P_ ev_check *w);
567void ev_check_stop (EV_P_ ev_check *w);
568
569# if EV_FORK_ENABLE
570void ev_fork_start (EV_P_ ev_fork *w);
571void ev_fork_stop (EV_P_ ev_fork *w);
572# endif
573
574# if EV_EMBED_ENABLE
575/* only supported when loop to be embedded is in fact embeddable */
576void ev_embed_start (EV_P_ ev_embed *w);
577void ev_embed_stop (EV_P_ ev_embed *w);
578void ev_embed_sweep (EV_P_ ev_embed *w);
579# endif
580
581# if EV_ASYNC_ENABLE
582void ev_async_start (EV_P_ ev_async *w);
583void ev_async_stop (EV_P_ ev_async *w);
584void ev_async_send (EV_P_ ev_async *w);
585# endif
586
587#endif
588
589#ifdef __cplusplus
590}
591#endif
592
593#endif
594

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