ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/libev/ev.h
(Generate patch)

Comparing libev/ev.h (file contents):
Revision 1.4 by root, Wed Oct 31 00:32:33 2007 UTC vs.
Revision 1.91 by root, Fri Jan 25 15:45:09 2008 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
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/*****************************************************************************/
82
83#if EV_STAT_ENABLE
84# include <sys/stat.h>
85#endif
86
87/* support multiple event loops? */
88#if EV_MULTIPLICITY
89struct 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 3
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
25struct 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 */
167typedef struct ev_watcher
168{
169 EV_WATCHER (ev_watcher)
170} ev_watcher;
171
172/* base class, nothing to see here unless you subclass */
173typedef 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 */
179typedef 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 */
34struct ev_io 186typedef 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 */
196typedef 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 */
205typedef 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 */
216typedef 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 */
226typedef struct ev_child
227{
228 EV_WATCHER_LIST (ev_child)
229
230 int flags; /* private */
231 int pid; /* ro */
232 int rpid; /* rw, holds the received pid */
233 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
234} ev_child;
235
236#if EV_STAT_ENABLE
237/* st_nlink = 0 means missing file or other error */
238# ifdef _WIN32
239typedef struct _stati64 ev_statdata;
240# else
241typedef struct stat ev_statdata;
242# endif
243
244/* invoked each time the stat data changes for a given path */
245/* revent EV_STAT */
246typedef struct ev_stat
247{
248 EV_WATCHER_LIST (ev_stat)
249
250 ev_timer timer; /* private */
251 ev_tstamp interval; /* ro */
252 const char *path; /* ro */
253 ev_statdata prev; /* ro */
254 ev_statdata attr; /* ro */
255
256 int wd; /* wd for inotify, fd for kqueue */
257} ev_stat;
258#endif
259
260#if EV_IDLE_ENABLE
261/* invoked when the nothing else needs to be done, keeps the process from blocking */
262/* revent EV_IDLE */
263typedef struct ev_idle
264{
265 EV_WATCHER (ev_idle)
266} ev_idle;
267#endif
268
269/* invoked for each run of the mainloop, just before the blocking call */
270/* you can still change events in any way you like */
271/* revent EV_PREPARE */
272typedef struct ev_prepare
273{
274 EV_WATCHER (ev_prepare)
275} ev_prepare;
276
277/* invoked for each run of the mainloop, just after the blocking call */
278/* revent EV_CHECK */
279typedef struct ev_check
280{
281 EV_WATCHER (ev_check)
282} ev_check;
283
284#if EV_FORK_ENABLE
285/* the callback gets invoked before check in the child process when a fork was detected */
286typedef struct ev_fork
287{
288 EV_WATCHER (ev_fork)
289} ev_fork;
290#endif
291
292#if EV_EMBED_ENABLE
293/* used to embed an event loop inside another */
294/* the callback gets invoked when the event loop has handled events, and can be 0 */
295typedef struct ev_embed
296{
297 EV_WATCHER (ev_embed)
298
299 struct ev_loop *other; /* ro */
300 ev_io io; /* private */
301 ev_prepare prepare; /* private */
302 ev_check check; /* unused */
303 ev_timer timer; /* unused */
304 ev_periodic periodic; /* unused */
305 ev_idle idle; /* unused */
306 ev_fork fork; /* unused */
307} ev_embed;
308#endif
309
310/* the presence of this union forces similar struct layout */
311union ev_any_watcher
312{
313 struct ev_watcher w;
314 struct ev_watcher_list wl;
315
316 struct ev_io io;
317 struct ev_timer timer;
318 struct ev_periodic periodic;
319 struct ev_signal signal;
320 struct ev_child child;
321#if EV_STAT_ENABLE
322 struct ev_stat stat;
323#endif
324#if EV_IDLE_ENABLE
325 struct ev_idle idle;
326#endif
327 struct ev_prepare prepare;
328 struct ev_check check;
329#if EV_FORK_ENABLE
330 struct ev_fork fork;
331#endif
332#if EV_EMBED_ENABLE
333 struct ev_embed embed;
334#endif
40}; 335};
41 336
42struct ev_signal 337/* bits for ev_default_loop and ev_loop_new */
43{ 338/* the default */
44 EV_WATCHER_LIST (ev_signal); 339#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */
340/* flag bits */
341#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */
342#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */
343/* method bits to be ored together */
344#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */
345#define EVBACKEND_POLL 0x00000002UL /* !win */
346#define EVBACKEND_EPOLL 0x00000004UL /* linux */
347#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */
348#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */
349#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */
45 350
46 int signum; /* ro */ 351#if EV_PROTOTYPES
47}; 352int ev_version_major (void);
353int ev_version_minor (void);
48 354
49#define EVMETHOD_NONE 0 355unsigned int ev_supported_backends (void);
50#define EVMETHOD_SELECT 1 356unsigned int ev_recommended_backends (void);
51#define EVMETHOD_EPOLL 2 357unsigned int ev_embeddable_backends (void);
52int ev_init (int flags);
53extern int ev_method;
54 358
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); 359ev_tstamp ev_time (void);
360void ev_sleep (ev_tstamp delay); /* sleep for a while */
361
362/* Sets the allocation function to use, works like realloc.
363 * It is used to allocate and free memory.
364 * If it returns zero when memory needs to be allocated, the library might abort
365 * or take some potentially destructive action.
366 * The default is your system realloc function.
367 */
368void ev_set_allocator (void *(*cb)(void *ptr, long size));
369
370/* set the callback function to call on a
371 * retryable syscall error
372 * (such as failed select, poll, epoll_wait)
373 */
374void ev_set_syserr_cb (void (*cb)(const char *msg));
375
376# if EV_MULTIPLICITY
377/* the default loop is the only one that handles signals and child watchers */
378/* you can call this as often as you like */
379static struct ev_loop *
380ev_default_loop (unsigned int flags)
381{
382 extern struct ev_loop *ev_default_loop_ptr;
383 extern struct ev_loop *ev_default_loop_init (unsigned int flags);
384
385 if (!ev_default_loop_ptr)
386 ev_default_loop_init (flags);
387
388 return ev_default_loop_ptr;
389}
390
391/* create and destroy alternative loops that don't handle signals */
392struct ev_loop *ev_loop_new (unsigned int flags);
393void ev_loop_destroy (EV_P);
394void ev_loop_fork (EV_P);
395
396ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
397
398# else
399
400int ev_default_loop (unsigned int flags); /* returns true when successful */
401
402static ev_tstamp
403ev_now (void)
404{
405 extern ev_tstamp ev_rt_now;
406
407 return ev_rt_now;
408}
409# endif
410
411void ev_default_destroy (void); /* destroy the default loop */
412/* this needs to be called after fork, to duplicate the default loop */
413/* if you create alternative loops you have to call ev_loop_fork on them */
414/* you can call it in either the parent or the child */
415/* you can actually call it at any time, anywhere :) */
416void ev_default_fork (void);
417
418unsigned int ev_backend (EV_P); /* backend in use by loop */
419unsigned int ev_loop_count (EV_P); /* number of loop iterations */
420#endif
61 421
62#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 422#define EVLOOP_NONBLOCK 1 /* do not block/wait */
63#define EVLOOP_ONESHOT 2 /* block *once* only */ 423#define EVLOOP_ONESHOT 2 /* block *once* only */
424#define EVUNLOOP_CANCEL 0 /* undo unloop */
425#define EVUNLOOP_ONE 1 /* unloop once */
426#define EVUNLOOP_ALL 2 /* unloop all loops */
427
428#if EV_PROTOTYPES
64void ev_loop (int flags); 429void ev_loop (EV_P_ int flags);
65extern int ev_loop_done; /* set to 1 to break out of event loop */ 430void 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 */
66 431
67#define EVHOOK_PREPOLL 0 /* called before updating fds, timers and blocking */ 432void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
68#define EVHOOK_POSTPOLL 1 /* called after blocking */ 433void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
69#define EVHOOK_NUM 2 /* just the # of hooks */ 434
70typedef void (*ev_hook)(void); 435/*
71void ev_hook_register (int type, ev_hook hook); 436 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
72void ev_hook_unregister (int type, ev_hook hook); 437 * keeps one reference. if you have a long-runing watcher you never unregister that
438 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
439 */
440void ev_ref (EV_P);
441void ev_unref (EV_P);
442
443/* convinience function, wait for a single event, without registering an event watcher */
444/* if timeout is < 0, do wait indefinitely */
445void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
446#endif
73 447
74/* these may evaluate ev multiple times, and the other arguments at most once */ 448/* these may evaluate ev multiple times, and the other arguments at most once */
75#define evw_init(ev,cb_,data_) do { (ev)->active = 0; (ev)->cb = (cb_); (ev)->data = (void *)data_; } while (0) 449/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
450#define ev_init(ev,cb_) do { \
451 ((ev_watcher *)(void *)(ev))->active = \
452 ((ev_watcher *)(void *)(ev))->pending = \
453 ((ev_watcher *)(void *)(ev))->priority = 0; \
454 ev_set_cb ((ev), cb_); \
455} while (0)
76 456
77#define evio_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 457#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0)
78#define evtimer_set_rel(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); (ev)->is_abs = 0; } while (0) 458#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
79#define evtimer_set_abs(ev,at_,repeat_) do { (ev)->at = (at_); (ev)->repeat = (repeat_); (ev)->is_abs = 1; } while (0) 459#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
80#define evsignal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 460#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
461#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
462#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
463#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
464#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
465#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
466#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
467#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
81 468
469#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
470#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
471#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
472#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
473#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
474#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
475#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
476#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
477#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
478#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
479#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
480
481#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
82#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ 482#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
83 483
484#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
485#define ev_cb(ev) (ev)->cb /* rw */
486#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri)
487
488#ifndef ev_set_cb
489# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
490#endif
491
492/* stopping (enabling, adding) a watcher does nothing if it is already running */
493/* stopping (disabling, deleting) a watcher does nothing unless its already running */
494#if EV_PROTOTYPES
495
496/* feeds an event into a watcher as if the event actually occured */
497/* accepts any ev_watcher type */
498void ev_feed_event (EV_P_ void *w, int revents);
499void ev_feed_fd_event (EV_P_ int fd, int revents);
500void ev_feed_signal_event (EV_P_ int signum);
501void ev_invoke (EV_P_ void *w, int revents);
502int ev_clear_pending (EV_P_ void *w);
503
84void evio_start (struct ev_io *w); 504void ev_io_start (EV_P_ ev_io *w);
85void evio_stop (struct ev_io *w); 505void ev_io_stop (EV_P_ ev_io *w);
86 506
87void evtimer_start (struct ev_timer *w); 507void ev_timer_start (EV_P_ ev_timer *w);
88void evtimer_stop (struct ev_timer *w); 508void ev_timer_stop (EV_P_ ev_timer *w);
509/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
510void ev_timer_again (EV_P_ ev_timer *w);
89 511
512#if EV_PERIODIC_ENABLE
513void ev_periodic_start (EV_P_ ev_periodic *w);
514void ev_periodic_stop (EV_P_ ev_periodic *w);
515void ev_periodic_again (EV_P_ ev_periodic *w);
516#endif
517
518/* only supported in the default loop */
90void evsignal_start (struct ev_signal *w); 519void ev_signal_start (EV_P_ ev_signal *w);
91void evsignal_stop (struct ev_signal *w); 520void ev_signal_stop (EV_P_ ev_signal *w);
92 521
522/* only supported in the default loop */
523void ev_child_start (EV_P_ ev_child *w);
524void ev_child_stop (EV_P_ ev_child *w);
525
526# if EV_STAT_ENABLE
527void ev_stat_start (EV_P_ ev_stat *w);
528void ev_stat_stop (EV_P_ ev_stat *w);
529void ev_stat_stat (EV_P_ ev_stat *w);
93#endif 530# endif
94 531
532# if EV_IDLE_ENABLE
533void ev_idle_start (EV_P_ ev_idle *w);
534void ev_idle_stop (EV_P_ ev_idle *w);
535# endif
536
537void ev_prepare_start (EV_P_ ev_prepare *w);
538void ev_prepare_stop (EV_P_ ev_prepare *w);
539
540void ev_check_start (EV_P_ ev_check *w);
541void ev_check_stop (EV_P_ ev_check *w);
542
543# if EV_FORK_ENABLE
544void ev_fork_start (EV_P_ ev_fork *w);
545void ev_fork_stop (EV_P_ ev_fork *w);
546# endif
547
548# if EV_EMBED_ENABLE
549/* only supported when loop to be embedded is in fact embeddable */
550void ev_embed_start (EV_P_ ev_embed *w);
551void ev_embed_stop (EV_P_ ev_embed *w);
552void ev_embed_sweep (EV_P_ ev_embed *w);
553# endif
554
555#endif
556
557#ifdef __cplusplus
558}
559#endif
560
561#endif
562

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines