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Revision: 1.86
Committed: Thu Dec 20 07:12:57 2007 UTC (16 years, 4 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.85: +3 -3 lines
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# User Rev Content
1 root 1.10 /*
2     * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de>
3     * All rights reserved.
4     *
5     * Redistribution and use in source and binary forms, with or without
6     * modification, are permitted provided that the following conditions are
7     * met:
8     *
9     * * Redistributions of source code must retain the above copyright
10     * notice, this list of conditions and the following disclaimer.
11     *
12     * * Redistributions in binary form must reproduce the above
13     * copyright notice, this list of conditions and the following
14     * disclaimer in the documentation and/or other materials provided
15     * with the distribution.
16     *
17     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18     * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19     * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20     * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21     * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22     * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23     * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24     * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25     * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26     * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27     * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28     */
29    
30 root 1.43 #ifndef EV_H__
31     #define EV_H__
32 root 1.1
33 root 1.19 #ifdef __cplusplus
34     extern "C" {
35     #endif
36    
37 root 1.1 typedef double ev_tstamp;
38    
39 root 1.21 /* these priorities are inclusive, higher priorities will be called earlier */
40     #ifndef EV_MINPRI
41     # define EV_MINPRI -2
42     #endif
43     #ifndef EV_MAXPRI
44     # define EV_MAXPRI +2
45     #endif
46    
47 root 1.29 #ifndef EV_MULTIPLICITY
48     # define EV_MULTIPLICITY 1
49     #endif
50    
51 root 1.69 #ifndef EV_PERIODIC_ENABLE
52     # define EV_PERIODIC_ENABLE 1
53     #endif
54    
55     #ifndef EV_STAT_ENABLE
56     # define EV_STAT_ENABLE 1
57     #endif
58    
59 root 1.78 #ifndef EV_IDLE_ENABLE
60     # define EV_IDLE_ENABLE 1
61     #endif
62    
63 root 1.72 #ifndef EV_FORK_ENABLE
64     # define EV_FORK_ENABLE 1
65     #endif
66    
67 root 1.69 #ifndef EV_EMBED_ENABLE
68     # define EV_EMBED_ENABLE 1
69     #endif
70    
71     /*****************************************************************************/
72    
73     #if EV_STAT_ENABLE
74     # include <sys/stat.h>
75 root 1.50 #endif
76    
77 root 1.28 /* support multiple event loops? */
78 root 1.29 #if EV_MULTIPLICITY
79 root 1.28 struct ev_loop;
80     # define EV_P struct ev_loop *loop
81     # define EV_P_ EV_P,
82     # define EV_A loop
83     # define EV_A_ EV_A,
84 root 1.72 # define EV_DEFAULT ev_default_loop (0)
85     # define EV_DEFAULT_ EV_DEFAULT,
86 root 1.28 #else
87     # define EV_P void
88     # define EV_P_
89     # define EV_A
90     # define EV_A_
91 root 1.72 # define EV_DEFAULT
92     # define EV_DEFAULT_
93 root 1.69
94     # undef EV_EMBED_ENABLE
95 root 1.28 #endif
96 root 1.27
97 root 1.1 /* eventmask, revents, events... */
98 root 1.69 #define EV_UNDEF -1L /* guaranteed to be invalid */
99     #define EV_NONE 0x00L /* no events */
100     #define EV_READ 0x01L /* ev_io detected read will not block */
101     #define EV_WRITE 0x02L /* ev_io detected write will not block */
102 root 1.84 #define EV_IOFDSET 0x80L /* internal use only */
103 root 1.69 #define EV_TIMEOUT 0x00000100L /* timer timed out */
104     #define EV_PERIODIC 0x00000200L /* periodic timer timed out */
105     #define EV_SIGNAL 0x00000400L /* signal was received */
106 root 1.72 #define EV_CHILD 0x00000800L /* child/pid had status change */
107     #define EV_STAT 0x00001000L /* stat data changed */
108     #define EV_IDLE 0x00002000L /* event loop is idling */
109     #define EV_PREPARE 0x00004000L /* event loop about to poll */
110     #define EV_CHECK 0x00008000L /* event loop finished poll */
111     #define EV_EMBED 0x00010000L /* embedded event loop needs sweep */
112     #define EV_FORK 0x00020000L /* event loop resumed in child */
113 root 1.69 #define EV_ERROR 0x80000000L /* sent when an error occurs */
114 root 1.1
115 root 1.51 /* can be used to add custom fields to all watchers, while losing binary compatibility */
116 root 1.6 #ifndef EV_COMMON
117 root 1.52 # define EV_COMMON void *data;
118 root 1.6 #endif
119 root 1.9 #ifndef EV_PROTOTYPES
120     # define EV_PROTOTYPES 1
121     #endif
122 root 1.6
123 root 1.85 #define EV_VERSION_MAJOR 1
124 root 1.83 #define EV_VERSION_MINOR 0
125 root 1.14
126 root 1.44 #ifndef EV_CB_DECLARE
127 root 1.46 # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
128 root 1.44 #endif
129     #ifndef EV_CB_INVOKE
130     # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
131     #endif
132    
133 root 1.6 /*
134     * struct member types:
135     * private: you can look at them, but not change them, and they might not mean anything to you.
136     * ro: can be read anytime, but only changed when the watcher isn't active
137     * rw: can be read and modified anytime, even when the watcher is active
138     */
139    
140 root 1.1 /* shared by all watchers */
141     #define EV_WATCHER(type) \
142     int active; /* private */ \
143     int pending; /* private */ \
144 root 1.32 int priority; /* private */ \
145 root 1.52 EV_COMMON /* rw */ \
146 root 1.44 EV_CB_DECLARE (type) /* private */
147 root 1.1
148     #define EV_WATCHER_LIST(type) \
149 root 1.52 EV_WATCHER (type) \
150     struct ev_watcher_list *next; /* private */
151 root 1.1
152 root 1.6 #define EV_WATCHER_TIME(type) \
153 root 1.52 EV_WATCHER (type) \
154     ev_tstamp at; /* private */
155 root 1.6
156 root 1.7 /* base class, nothing to see here unless you subclass */
157 root 1.66 typedef struct ev_watcher
158 root 1.44 {
159 root 1.52 EV_WATCHER (ev_watcher)
160 root 1.66 } ev_watcher;
161 root 1.7
162     /* base class, nothing to see here unless you subclass */
163 root 1.66 typedef struct ev_watcher_list
164 root 1.44 {
165 root 1.52 EV_WATCHER_LIST (ev_watcher_list)
166 root 1.66 } ev_watcher_list;
167 root 1.7
168     /* base class, nothing to see here unless you subclass */
169 root 1.66 typedef struct ev_watcher_time
170 root 1.44 {
171 root 1.52 EV_WATCHER_TIME (ev_watcher_time)
172 root 1.66 } ev_watcher_time;
173 root 1.7
174 root 1.70 /* invoked when fd is either EV_READable or EV_WRITEable */
175     /* revent EV_READ, EV_WRITE */
176     typedef struct ev_io
177     {
178     EV_WATCHER_LIST (ev_io)
179    
180     int fd; /* ro */
181     int events; /* ro */
182     } ev_io;
183    
184 root 1.6 /* invoked after a specific time, repeatable (based on monotonic clock) */
185 root 1.17 /* revent EV_TIMEOUT */
186 root 1.66 typedef struct ev_timer
187 root 1.1 {
188 root 1.52 EV_WATCHER_TIME (ev_timer)
189 root 1.1
190     ev_tstamp repeat; /* rw */
191 root 1.66 } ev_timer;
192 root 1.6
193     /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */
194 root 1.17 /* revent EV_PERIODIC */
195 root 1.66 typedef struct ev_periodic
196 root 1.6 {
197 root 1.52 EV_WATCHER_TIME (ev_periodic)
198 root 1.6
199 root 1.82 ev_tstamp offset; /* rw */
200 root 1.6 ev_tstamp interval; /* rw */
201 root 1.40 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */
202 root 1.66 } ev_periodic;
203 root 1.1
204 root 1.5 /* invoked when the given signal has been received */
205 root 1.17 /* revent EV_SIGNAL */
206 root 1.66 typedef struct ev_signal
207 root 1.1 {
208 root 1.52 EV_WATCHER_LIST (ev_signal)
209 root 1.1
210     int signum; /* ro */
211 root 1.66 } ev_signal;
212 root 1.1
213 root 1.70 /* invoked when sigchld is received and waitpid indicates the given pid */
214     /* revent EV_CHILD */
215     /* does not support priorities */
216     typedef struct ev_child
217     {
218     EV_WATCHER_LIST (ev_child)
219    
220     int pid; /* ro */
221     int rpid; /* rw, holds the received pid */
222     int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
223     } ev_child;
224    
225     #if EV_STAT_ENABLE
226     /* st_nlink = 0 means missing file or other error */
227 root 1.74 # ifdef _WIN32
228 root 1.71 typedef struct _stati64 ev_statdata;
229 root 1.74 # else
230 root 1.70 typedef struct stat ev_statdata;
231 root 1.74 # endif
232 root 1.70
233     /* invoked each time the stat data changes for a given path */
234     /* revent EV_STAT */
235     typedef struct ev_stat
236     {
237 root 1.74 EV_WATCHER_LIST (ev_stat)
238 root 1.70
239     ev_timer timer; /* private */
240     ev_tstamp interval; /* ro */
241     const char *path; /* ro */
242     ev_statdata prev; /* ro */
243     ev_statdata attr; /* ro */
244 root 1.74
245     int wd; /* wd for inotify, fd for kqueue */
246 root 1.70 } ev_stat;
247     #endif
248    
249 root 1.78 #if EV_IDLE_ENABLE
250 root 1.5 /* invoked when the nothing else needs to be done, keeps the process from blocking */
251 root 1.17 /* revent EV_IDLE */
252 root 1.66 typedef struct ev_idle
253 root 1.5 {
254 root 1.52 EV_WATCHER (ev_idle)
255 root 1.66 } ev_idle;
256 root 1.78 #endif
257 root 1.5
258 root 1.11 /* invoked for each run of the mainloop, just before the blocking call */
259     /* you can still change events in any way you like */
260 root 1.17 /* revent EV_PREPARE */
261 root 1.66 typedef struct ev_prepare
262 root 1.11 {
263 root 1.52 EV_WATCHER (ev_prepare)
264 root 1.66 } ev_prepare;
265 root 1.11
266     /* invoked for each run of the mainloop, just after the blocking call */
267 root 1.17 /* revent EV_CHECK */
268 root 1.66 typedef struct ev_check
269 root 1.5 {
270 root 1.52 EV_WATCHER (ev_check)
271 root 1.66 } ev_check;
272 root 1.5
273 root 1.72 #if EV_FORK_ENABLE
274     /* the callback gets invoked before check in the child process when a fork was detected */
275     typedef struct ev_fork
276     {
277     EV_WATCHER (ev_fork)
278     } ev_fork;
279     #endif
280    
281 root 1.69 #if EV_EMBED_ENABLE
282 root 1.64 /* used to embed an event loop inside another */
283     /* the callback gets invoked when the event loop has handled events, and can be 0 */
284 root 1.66 typedef struct ev_embed
285 root 1.64 {
286     EV_WATCHER (ev_embed)
287    
288 root 1.66 ev_io io; /* private */
289 root 1.86 struct ev_loop *other; /* ro */
290 root 1.66 } ev_embed;
291 root 1.64 #endif
292    
293 root 1.41 /* the presence of this union forces similar struct layout */
294 root 1.35 union ev_any_watcher
295     {
296     struct ev_watcher w;
297     struct ev_watcher_list wl;
298 root 1.46
299 root 1.35 struct ev_io io;
300     struct ev_timer timer;
301     struct ev_periodic periodic;
302 root 1.72 struct ev_signal signal;
303 root 1.70 struct ev_child child;
304     #if EV_STAT_ENABLE
305     struct ev_stat stat;
306     #endif
307 root 1.78 #if EV_IDLE_ENABLE
308 root 1.35 struct ev_idle idle;
309 root 1.78 #endif
310 root 1.35 struct ev_prepare prepare;
311     struct ev_check check;
312 root 1.72 #if EV_FORK_ENABLE
313     struct ev_fork fork;
314     #endif
315 root 1.69 #if EV_EMBED_ENABLE
316 root 1.64 struct ev_embed embed;
317 root 1.67 #endif
318 root 1.35 };
319    
320 root 1.53 /* bits for ev_default_loop and ev_loop_new */
321     /* the default */
322 root 1.63 #define EVFLAG_AUTO 0x00000000UL /* not quite a mask */
323     /* flag bits */
324     #define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */
325 root 1.76 #define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */
326 root 1.53 /* method bits to be ored together */
327 root 1.63 #define EVBACKEND_SELECT 0x00000001UL /* about anywhere */
328     #define EVBACKEND_POLL 0x00000002UL /* !win */
329     #define EVBACKEND_EPOLL 0x00000004UL /* linux */
330     #define EVBACKEND_KQUEUE 0x00000008UL /* bsd */
331     #define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */
332     #define EVBACKEND_PORT 0x00000020UL /* solaris 10 */
333 root 1.29
334 root 1.9 #if EV_PROTOTYPES
335 root 1.14 int ev_version_major (void);
336     int ev_version_minor (void);
337 root 1.1
338 root 1.63 unsigned int ev_supported_backends (void);
339     unsigned int ev_recommended_backends (void);
340 root 1.64 unsigned int ev_embeddable_backends (void);
341 root 1.63
342 root 1.1 ev_tstamp ev_time (void);
343 root 1.29
344 root 1.36 /* Sets the allocation function to use, works like realloc.
345     * It is used to allocate and free memory.
346     * If it returns zero when memory needs to be allocated, the library might abort
347     * or take some potentially destructive action.
348     * The default is your system realloc function.
349     */
350 root 1.75 void ev_set_allocator (void *(*cb)(void *ptr, long size));
351 root 1.36
352     /* set the callback function to call on a
353     * retryable syscall error
354     * (such as failed select, poll, epoll_wait)
355     */
356 root 1.37 void ev_set_syserr_cb (void (*cb)(const char *msg));
357 root 1.36
358 root 1.29 # if EV_MULTIPLICITY
359 root 1.30 /* the default loop is the only one that handles signals and child watchers */
360     /* you can call this as often as you like */
361 root 1.58 static struct ev_loop *
362     ev_default_loop (unsigned int flags)
363     {
364     extern struct ev_loop *ev_default_loop_ptr;
365 root 1.61 extern struct ev_loop *ev_default_loop_init (unsigned int flags);
366 root 1.58
367     if (!ev_default_loop_ptr)
368 root 1.60 ev_default_loop_init (flags);
369 root 1.58
370     return ev_default_loop_ptr;
371     }
372 root 1.30
373     /* create and destroy alternative loops that don't handle signals */
374 root 1.53 struct ev_loop *ev_loop_new (unsigned int flags);
375 root 1.30 void ev_loop_destroy (EV_P);
376     void ev_loop_fork (EV_P);
377 root 1.47
378     ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
379    
380 root 1.29 # else
381 root 1.47
382 root 1.54 int ev_default_loop (unsigned int flags); /* returns true when successful */
383 root 1.47
384     static ev_tstamp
385 root 1.52 ev_now (void)
386 root 1.47 {
387 root 1.48 extern ev_tstamp ev_rt_now;
388 root 1.47
389     return ev_rt_now;
390     }
391 root 1.29 # endif
392    
393 root 1.30 void ev_default_destroy (void); /* destroy the default loop */
394     /* this needs to be called after fork, to duplicate the default loop */
395     /* if you create alternative loops you have to call ev_loop_fork on them */
396     /* you can call it in either the parent or the child */
397     /* you can actually call it at any time, anywhere :) */
398     void ev_default_fork (void);
399    
400 root 1.63 unsigned int ev_backend (EV_P);
401 root 1.77 unsigned int ev_loop_count (EV_P);
402 root 1.9 #endif
403 root 1.1
404     #define EVLOOP_NONBLOCK 1 /* do not block/wait */
405     #define EVLOOP_ONESHOT 2 /* block *once* only */
406 root 1.65 #define EVUNLOOP_CANCEL 0 /* undo unloop */
407 root 1.57 #define EVUNLOOP_ONE 1 /* unloop once */
408 root 1.29 #define EVUNLOOP_ALL 2 /* unloop all loops */
409    
410 root 1.9 #if EV_PROTOTYPES
411 root 1.27 void ev_loop (EV_P_ int flags);
412 root 1.29 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 */
413 root 1.27
414     /*
415     * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
416     * keeps one reference. if you have a long-runing watcher you never unregister that
417     * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
418     */
419     void ev_ref (EV_P);
420     void ev_unref (EV_P);
421 root 1.1
422 root 1.9 /* convinience function, wait for a single event, without registering an event watcher */
423     /* if timeout is < 0, do wait indefinitely */
424 root 1.27 void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
425 root 1.9 #endif
426    
427 root 1.2 /* these may evaluate ev multiple times, and the other arguments at most once */
428 root 1.45 /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
429 root 1.78 #define ev_init(ev,cb_) do { \
430 root 1.66 ((ev_watcher *)(void *)(ev))->active = \
431     ((ev_watcher *)(void *)(ev))->pending = \
432     ((ev_watcher *)(void *)(ev))->priority = 0; \
433 root 1.78 ev_set_cb ((ev), cb_); \
434 root 1.32 } while (0)
435 root 1.3
436 root 1.84 #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0)
437 root 1.16 #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
438 root 1.82 #define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
439 root 1.16 #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
440 root 1.70 #define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
441 root 1.74 #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
442 root 1.16 #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
443     #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
444     #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
445 root 1.86 #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
446 root 1.72 #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
447 root 1.16
448 root 1.45 #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
449     #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
450     #define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
451     #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
452 root 1.70 #define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
453     #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0)
454 root 1.45 #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
455     #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
456     #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
457 root 1.86 #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
458 root 1.72 #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
459 root 1.1
460 root 1.66 #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
461     #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
462 root 1.32
463 root 1.78 #define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
464 root 1.33 #define ev_cb(ev) (ev)->cb /* rw */
465 root 1.78 #define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri)
466 root 1.45
467     #ifndef ev_set_cb
468     # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
469     #endif
470 root 1.1
471 root 1.5 /* stopping (enabling, adding) a watcher does nothing if it is already running */
472     /* stopping (disabling, deleting) a watcher does nothing unless its already running */
473 root 1.9 #if EV_PROTOTYPES
474 root 1.41
475     /* feeds an event into a watcher as if the event actually occured */
476     /* accepts any ev_watcher type */
477     void ev_feed_event (EV_P_ void *w, int revents);
478 root 1.42 void ev_feed_fd_event (EV_P_ int fd, int revents);
479     void ev_feed_signal_event (EV_P_ int signum);
480 root 1.81 void ev_invoke (EV_P_ void *w, int revents);
481 root 1.80 int ev_clear_pending (EV_P_ void *w);
482 root 1.41
483 root 1.66 void ev_io_start (EV_P_ ev_io *w);
484     void ev_io_stop (EV_P_ ev_io *w);
485 root 1.6
486 root 1.66 void ev_timer_start (EV_P_ ev_timer *w);
487     void ev_timer_stop (EV_P_ ev_timer *w);
488 root 1.30 /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
489 root 1.66 void ev_timer_again (EV_P_ ev_timer *w);
490 root 1.1
491 root 1.69 #if EV_PERIODIC_ENABLE
492 root 1.66 void ev_periodic_start (EV_P_ ev_periodic *w);
493     void ev_periodic_stop (EV_P_ ev_periodic *w);
494     void ev_periodic_again (EV_P_ ev_periodic *w);
495 root 1.50 #endif
496 root 1.1
497 root 1.70 /* only supported in the default loop */
498     void ev_signal_start (EV_P_ ev_signal *w);
499     void ev_signal_stop (EV_P_ ev_signal *w);
500    
501     /* only supported in the default loop */
502     void ev_child_start (EV_P_ ev_child *w);
503     void ev_child_stop (EV_P_ ev_child *w);
504    
505     # if EV_STAT_ENABLE
506     void ev_stat_start (EV_P_ ev_stat *w);
507     void ev_stat_stop (EV_P_ ev_stat *w);
508     void ev_stat_stat (EV_P_ ev_stat *w);
509     # endif
510    
511 root 1.78 # if EV_IDLE_ENABLE
512 root 1.66 void ev_idle_start (EV_P_ ev_idle *w);
513     void ev_idle_stop (EV_P_ ev_idle *w);
514 root 1.78 # endif
515 root 1.5
516 root 1.66 void ev_prepare_start (EV_P_ ev_prepare *w);
517     void ev_prepare_stop (EV_P_ ev_prepare *w);
518 root 1.11
519 root 1.66 void ev_check_start (EV_P_ ev_check *w);
520     void ev_check_stop (EV_P_ ev_check *w);
521 root 1.12
522 root 1.72 # if EV_FORK_ENABLE
523     void ev_fork_start (EV_P_ ev_fork *w);
524     void ev_fork_stop (EV_P_ ev_fork *w);
525     # endif
526    
527 root 1.69 # if EV_EMBED_ENABLE
528 root 1.64 /* only supported when loop to be embedded is in fact embeddable */
529 root 1.66 void ev_embed_start (EV_P_ ev_embed *w);
530     void ev_embed_stop (EV_P_ ev_embed *w);
531 root 1.68 void ev_embed_sweep (EV_P_ ev_embed *w);
532 root 1.64 # endif
533    
534 root 1.9 #endif
535 root 1.5
536 root 1.19 #ifdef __cplusplus
537     }
538     #endif
539    
540 root 1.1 #endif
541