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Revision: 1.102
Committed: Thu May 22 02:44:57 2008 UTC (15 years, 11 months ago) by root
Content type: text/plain
Branch: MAIN
CVS Tags: rel-3_41, rel-3_42
Changes since 1.101: +5 -4 lines
Log Message:
*** empty log message ***

File Contents

# User Rev Content
1 root 1.10 /*
2 root 1.90 * libev native API header
3     *
4 root 1.92 * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de>
5 root 1.10 * All rights reserved.
6     *
7 root 1.90 * 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 root 1.10 *
28 root 1.90 * 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 root 1.10 */
39    
40 root 1.43 #ifndef EV_H__
41     #define EV_H__
42 root 1.1
43 root 1.19 #ifdef __cplusplus
44     extern "C" {
45     #endif
46    
47 root 1.1 typedef double ev_tstamp;
48    
49 root 1.21 /* 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 root 1.29 #ifndef EV_MULTIPLICITY
58     # define EV_MULTIPLICITY 1
59     #endif
60    
61 root 1.69 #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 root 1.78 #ifndef EV_IDLE_ENABLE
70     # define EV_IDLE_ENABLE 1
71     #endif
72    
73 root 1.72 #ifndef EV_FORK_ENABLE
74     # define EV_FORK_ENABLE 1
75     #endif
76    
77 root 1.69 #ifndef EV_EMBED_ENABLE
78     # define EV_EMBED_ENABLE 1
79     #endif
80    
81 root 1.92 #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 root 1.69 /*****************************************************************************/
91    
92     #if EV_STAT_ENABLE
93     # include <sys/stat.h>
94 root 1.50 #endif
95    
96 root 1.28 /* support multiple event loops? */
97 root 1.29 #if EV_MULTIPLICITY
98 root 1.28 struct 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 root 1.96 # define EV_DEFAULT_UC ev_default_loop_uc ()
104     # define EV_DEFAULT_UC_ EV_DEFAULT_UC,
105 root 1.72 # define EV_DEFAULT ev_default_loop (0)
106     # define EV_DEFAULT_ EV_DEFAULT,
107 root 1.28 #else
108     # define EV_P void
109     # define EV_P_
110     # define EV_A
111     # define EV_A_
112 root 1.72 # define EV_DEFAULT
113     # define EV_DEFAULT_
114 root 1.96 # define EV_DEFAULT_UC
115     # define EV_DEFAULT_UC_
116     # undef EV_EMBED_ENABLE
117     #endif
118 root 1.69
119 root 1.96 #if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3
120     # define EV_INLINE static inline
121     #else
122     # define EV_INLINE static
123 root 1.28 #endif
124 root 1.27
125 root 1.96 /*****************************************************************************/
126    
127 root 1.1 /* eventmask, revents, events... */
128 root 1.99 #define EV_UNDEF -1 /* guaranteed to be invalid */
129     #define EV_NONE 0x00 /* no events */
130     #define EV_READ 0x01 /* ev_io detected read will not block */
131     #define EV_WRITE 0x02 /* ev_io detected write will not block */
132     #define EV_IOFDSET 0x80 /* internal use only */
133     #define EV_TIMEOUT 0x00000100 /* timer timed out */
134     #define EV_PERIODIC 0x00000200 /* periodic timer timed out */
135     #define EV_SIGNAL 0x00000400 /* signal was received */
136     #define EV_CHILD 0x00000800 /* child/pid had status change */
137     #define EV_STAT 0x00001000 /* stat data changed */
138     #define EV_IDLE 0x00002000 /* event loop is idling */
139     #define EV_PREPARE 0x00004000 /* event loop about to poll */
140     #define EV_CHECK 0x00008000 /* event loop finished poll */
141     #define EV_EMBED 0x00010000 /* embedded event loop needs sweep */
142     #define EV_FORK 0x00020000 /* event loop resumed in child */
143     #define EV_ASYNC 0x00040000 /* async intra-loop signal */
144     #define EV_ERROR 0x80000000 /* sent when an error occurs */
145 root 1.1
146 root 1.51 /* can be used to add custom fields to all watchers, while losing binary compatibility */
147 root 1.6 #ifndef EV_COMMON
148 root 1.52 # define EV_COMMON void *data;
149 root 1.6 #endif
150 root 1.9 #ifndef EV_PROTOTYPES
151     # define EV_PROTOTYPES 1
152     #endif
153 root 1.6
154 root 1.91 #define EV_VERSION_MAJOR 3
155 root 1.83 #define EV_VERSION_MINOR 0
156 root 1.14
157 root 1.44 #ifndef EV_CB_DECLARE
158 root 1.46 # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
159 root 1.44 #endif
160     #ifndef EV_CB_INVOKE
161     # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
162     #endif
163    
164 root 1.6 /*
165     * struct member types:
166     * private: you can look at them, but not change them, and they might not mean anything to you.
167     * ro: can be read anytime, but only changed when the watcher isn't active
168     * rw: can be read and modified anytime, even when the watcher is active
169 root 1.101 *
170     * some internal details that might be helpful for debugging:
171     *
172     * active is either 0, which means the watcher is not active,
173     * or the array index of the watcher (periodics, timers)
174     * or the array index + 1 (most other watchers)
175     * or simply 1 for watchers that aren't in some array.
176     * pending is either 0, in which case the watcher isn't,
177     * or the array index + 1 in the pendings array.
178 root 1.6 */
179    
180 root 1.1 /* shared by all watchers */
181     #define EV_WATCHER(type) \
182     int active; /* private */ \
183     int pending; /* private */ \
184 root 1.32 int priority; /* private */ \
185 root 1.52 EV_COMMON /* rw */ \
186 root 1.44 EV_CB_DECLARE (type) /* private */
187 root 1.1
188     #define EV_WATCHER_LIST(type) \
189 root 1.52 EV_WATCHER (type) \
190     struct ev_watcher_list *next; /* private */
191 root 1.1
192 root 1.6 #define EV_WATCHER_TIME(type) \
193 root 1.52 EV_WATCHER (type) \
194     ev_tstamp at; /* private */
195 root 1.6
196 root 1.7 /* base class, nothing to see here unless you subclass */
197 root 1.66 typedef struct ev_watcher
198 root 1.44 {
199 root 1.52 EV_WATCHER (ev_watcher)
200 root 1.66 } ev_watcher;
201 root 1.7
202     /* base class, nothing to see here unless you subclass */
203 root 1.66 typedef struct ev_watcher_list
204 root 1.44 {
205 root 1.52 EV_WATCHER_LIST (ev_watcher_list)
206 root 1.66 } ev_watcher_list;
207 root 1.7
208     /* base class, nothing to see here unless you subclass */
209 root 1.66 typedef struct ev_watcher_time
210 root 1.44 {
211 root 1.52 EV_WATCHER_TIME (ev_watcher_time)
212 root 1.66 } ev_watcher_time;
213 root 1.7
214 root 1.70 /* invoked when fd is either EV_READable or EV_WRITEable */
215     /* revent EV_READ, EV_WRITE */
216     typedef struct ev_io
217     {
218     EV_WATCHER_LIST (ev_io)
219    
220     int fd; /* ro */
221     int events; /* ro */
222     } ev_io;
223    
224 root 1.6 /* invoked after a specific time, repeatable (based on monotonic clock) */
225 root 1.17 /* revent EV_TIMEOUT */
226 root 1.66 typedef struct ev_timer
227 root 1.1 {
228 root 1.52 EV_WATCHER_TIME (ev_timer)
229 root 1.1
230     ev_tstamp repeat; /* rw */
231 root 1.66 } ev_timer;
232 root 1.6
233     /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */
234 root 1.17 /* revent EV_PERIODIC */
235 root 1.66 typedef struct ev_periodic
236 root 1.6 {
237 root 1.52 EV_WATCHER_TIME (ev_periodic)
238 root 1.6
239 root 1.82 ev_tstamp offset; /* rw */
240 root 1.6 ev_tstamp interval; /* rw */
241 root 1.40 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */
242 root 1.66 } ev_periodic;
243 root 1.1
244 root 1.5 /* invoked when the given signal has been received */
245 root 1.17 /* revent EV_SIGNAL */
246 root 1.66 typedef struct ev_signal
247 root 1.1 {
248 root 1.52 EV_WATCHER_LIST (ev_signal)
249 root 1.1
250     int signum; /* ro */
251 root 1.66 } ev_signal;
252 root 1.1
253 root 1.70 /* invoked when sigchld is received and waitpid indicates the given pid */
254     /* revent EV_CHILD */
255     /* does not support priorities */
256     typedef struct ev_child
257     {
258     EV_WATCHER_LIST (ev_child)
259    
260 root 1.91 int flags; /* private */
261 root 1.70 int pid; /* ro */
262     int rpid; /* rw, holds the received pid */
263     int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
264     } ev_child;
265    
266     #if EV_STAT_ENABLE
267     /* st_nlink = 0 means missing file or other error */
268 root 1.74 # ifdef _WIN32
269 root 1.71 typedef struct _stati64 ev_statdata;
270 root 1.74 # else
271 root 1.70 typedef struct stat ev_statdata;
272 root 1.74 # endif
273 root 1.70
274     /* invoked each time the stat data changes for a given path */
275     /* revent EV_STAT */
276     typedef struct ev_stat
277     {
278 root 1.74 EV_WATCHER_LIST (ev_stat)
279 root 1.70
280     ev_timer timer; /* private */
281     ev_tstamp interval; /* ro */
282     const char *path; /* ro */
283     ev_statdata prev; /* ro */
284     ev_statdata attr; /* ro */
285 root 1.74
286     int wd; /* wd for inotify, fd for kqueue */
287 root 1.70 } ev_stat;
288     #endif
289    
290 root 1.78 #if EV_IDLE_ENABLE
291 root 1.5 /* invoked when the nothing else needs to be done, keeps the process from blocking */
292 root 1.17 /* revent EV_IDLE */
293 root 1.66 typedef struct ev_idle
294 root 1.5 {
295 root 1.52 EV_WATCHER (ev_idle)
296 root 1.66 } ev_idle;
297 root 1.78 #endif
298 root 1.5
299 root 1.11 /* invoked for each run of the mainloop, just before the blocking call */
300     /* you can still change events in any way you like */
301 root 1.17 /* revent EV_PREPARE */
302 root 1.66 typedef struct ev_prepare
303 root 1.11 {
304 root 1.52 EV_WATCHER (ev_prepare)
305 root 1.66 } ev_prepare;
306 root 1.11
307     /* invoked for each run of the mainloop, just after the blocking call */
308 root 1.17 /* revent EV_CHECK */
309 root 1.66 typedef struct ev_check
310 root 1.5 {
311 root 1.52 EV_WATCHER (ev_check)
312 root 1.66 } ev_check;
313 root 1.5
314 root 1.72 #if EV_FORK_ENABLE
315     /* the callback gets invoked before check in the child process when a fork was detected */
316     typedef struct ev_fork
317     {
318     EV_WATCHER (ev_fork)
319     } ev_fork;
320     #endif
321    
322 root 1.69 #if EV_EMBED_ENABLE
323 root 1.64 /* used to embed an event loop inside another */
324     /* the callback gets invoked when the event loop has handled events, and can be 0 */
325 root 1.66 typedef struct ev_embed
326 root 1.64 {
327     EV_WATCHER (ev_embed)
328    
329 root 1.86 struct ev_loop *other; /* ro */
330 root 1.87 ev_io io; /* private */
331     ev_prepare prepare; /* private */
332     ev_check check; /* unused */
333     ev_timer timer; /* unused */
334     ev_periodic periodic; /* unused */
335     ev_idle idle; /* unused */
336     ev_fork fork; /* unused */
337 root 1.66 } ev_embed;
338 root 1.64 #endif
339    
340 root 1.92 #if EV_ASYNC_ENABLE
341     /* invoked when somebody calls ev_async_send on the watcher */
342     /* revent EV_ASYNC */
343     typedef struct ev_async
344     {
345     EV_WATCHER (ev_async)
346    
347     EV_ATOMIC_T sent; /* private */
348     } ev_async;
349 root 1.95
350 root 1.98 # define ev_async_pending(w) ((w)->sent + 0)
351 root 1.92 #endif
352    
353 root 1.41 /* the presence of this union forces similar struct layout */
354 root 1.35 union ev_any_watcher
355     {
356     struct ev_watcher w;
357     struct ev_watcher_list wl;
358 root 1.46
359 root 1.35 struct ev_io io;
360     struct ev_timer timer;
361     struct ev_periodic periodic;
362 root 1.72 struct ev_signal signal;
363 root 1.70 struct ev_child child;
364     #if EV_STAT_ENABLE
365     struct ev_stat stat;
366     #endif
367 root 1.78 #if EV_IDLE_ENABLE
368 root 1.35 struct ev_idle idle;
369 root 1.78 #endif
370 root 1.35 struct ev_prepare prepare;
371     struct ev_check check;
372 root 1.72 #if EV_FORK_ENABLE
373     struct ev_fork fork;
374     #endif
375 root 1.69 #if EV_EMBED_ENABLE
376 root 1.64 struct ev_embed embed;
377 root 1.67 #endif
378 root 1.97 #if EV_ASYNC_ENABLE
379 root 1.92 struct ev_async async;
380     #endif
381 root 1.35 };
382    
383 root 1.53 /* bits for ev_default_loop and ev_loop_new */
384     /* the default */
385 root 1.99 #define EVFLAG_AUTO 0x00000000U /* not quite a mask */
386 root 1.63 /* flag bits */
387 root 1.99 #define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */
388     #define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */
389 root 1.53 /* method bits to be ored together */
390 root 1.99 #define EVBACKEND_SELECT 0x00000001U /* about anywhere */
391     #define EVBACKEND_POLL 0x00000002U /* !win */
392     #define EVBACKEND_EPOLL 0x00000004U /* linux */
393     #define EVBACKEND_KQUEUE 0x00000008U /* bsd */
394     #define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 */ /* NYI */
395     #define EVBACKEND_PORT 0x00000020U /* solaris 10 */
396 root 1.29
397 root 1.9 #if EV_PROTOTYPES
398 root 1.14 int ev_version_major (void);
399     int ev_version_minor (void);
400 root 1.1
401 root 1.63 unsigned int ev_supported_backends (void);
402     unsigned int ev_recommended_backends (void);
403 root 1.64 unsigned int ev_embeddable_backends (void);
404 root 1.63
405 root 1.1 ev_tstamp ev_time (void);
406 root 1.88 void ev_sleep (ev_tstamp delay); /* sleep for a while */
407 root 1.29
408 root 1.36 /* Sets the allocation function to use, works like realloc.
409     * It is used to allocate and free memory.
410     * If it returns zero when memory needs to be allocated, the library might abort
411     * or take some potentially destructive action.
412     * The default is your system realloc function.
413     */
414 root 1.75 void ev_set_allocator (void *(*cb)(void *ptr, long size));
415 root 1.36
416     /* set the callback function to call on a
417     * retryable syscall error
418     * (such as failed select, poll, epoll_wait)
419     */
420 root 1.37 void ev_set_syserr_cb (void (*cb)(const char *msg));
421 root 1.36
422 root 1.102 #if EV_MULTIPLICITY
423 root 1.96 EV_INLINE struct ev_loop *
424     ev_default_loop_uc (void)
425     {
426     extern struct ev_loop *ev_default_loop_ptr;
427    
428     return ev_default_loop_ptr;
429     }
430    
431 root 1.30 /* the default loop is the only one that handles signals and child watchers */
432     /* you can call this as often as you like */
433 root 1.96 EV_INLINE struct ev_loop *
434 root 1.58 ev_default_loop (unsigned int flags)
435     {
436 root 1.96 struct ev_loop *loop = ev_default_loop_uc ();
437    
438     if (!loop)
439     {
440     extern struct ev_loop *ev_default_loop_init (unsigned int flags);
441 root 1.58
442 root 1.96 loop = ev_default_loop_init (flags);
443     }
444 root 1.58
445 root 1.96 return loop;
446 root 1.58 }
447 root 1.30
448     /* create and destroy alternative loops that don't handle signals */
449 root 1.53 struct ev_loop *ev_loop_new (unsigned int flags);
450 root 1.30 void ev_loop_destroy (EV_P);
451     void ev_loop_fork (EV_P);
452 root 1.102 void ev_loop_verify (EV_P);
453 root 1.47
454     ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
455    
456 root 1.102 #else
457 root 1.47
458 root 1.54 int ev_default_loop (unsigned int flags); /* returns true when successful */
459 root 1.47
460 root 1.96 EV_INLINE ev_tstamp
461 root 1.52 ev_now (void)
462 root 1.47 {
463 root 1.48 extern ev_tstamp ev_rt_now;
464 root 1.47
465     return ev_rt_now;
466     }
467 root 1.102 #endif /* multiplicity */
468 root 1.29
469 root 1.96 EV_INLINE int
470 root 1.94 ev_is_default_loop (EV_P)
471     {
472     #if EV_MULTIPLICITY
473     extern struct ev_loop *ev_default_loop_ptr;
474    
475     return !!(EV_A == ev_default_loop_ptr);
476     #else
477     return 1;
478     #endif
479     }
480    
481 root 1.30 void ev_default_destroy (void); /* destroy the default loop */
482     /* this needs to be called after fork, to duplicate the default loop */
483     /* if you create alternative loops you have to call ev_loop_fork on them */
484     /* you can call it in either the parent or the child */
485     /* you can actually call it at any time, anywhere :) */
486     void ev_default_fork (void);
487    
488 root 1.88 unsigned int ev_backend (EV_P); /* backend in use by loop */
489     unsigned int ev_loop_count (EV_P); /* number of loop iterations */
490 root 1.102 #endif /* prototypes */
491 root 1.1
492     #define EVLOOP_NONBLOCK 1 /* do not block/wait */
493     #define EVLOOP_ONESHOT 2 /* block *once* only */
494 root 1.65 #define EVUNLOOP_CANCEL 0 /* undo unloop */
495 root 1.57 #define EVUNLOOP_ONE 1 /* unloop once */
496 root 1.29 #define EVUNLOOP_ALL 2 /* unloop all loops */
497    
498 root 1.9 #if EV_PROTOTYPES
499 root 1.27 void ev_loop (EV_P_ int flags);
500 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 */
501 root 1.27
502 root 1.88 void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
503     void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
504    
505 root 1.27 /*
506     * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
507     * keeps one reference. if you have a long-runing watcher you never unregister that
508     * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
509     */
510     void ev_ref (EV_P);
511     void ev_unref (EV_P);
512 root 1.1
513 root 1.9 /* convinience function, wait for a single event, without registering an event watcher */
514     /* if timeout is < 0, do wait indefinitely */
515 root 1.27 void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
516 root 1.9 #endif
517    
518 root 1.2 /* these may evaluate ev multiple times, and the other arguments at most once */
519 root 1.45 /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
520 root 1.78 #define ev_init(ev,cb_) do { \
521 root 1.66 ((ev_watcher *)(void *)(ev))->active = \
522     ((ev_watcher *)(void *)(ev))->pending = \
523     ((ev_watcher *)(void *)(ev))->priority = 0; \
524 root 1.78 ev_set_cb ((ev), cb_); \
525 root 1.32 } while (0)
526 root 1.3
527 root 1.84 #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0)
528 root 1.100 #define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
529 root 1.82 #define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
530 root 1.16 #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
531 root 1.91 #define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
532 root 1.74 #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
533 root 1.16 #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
534     #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
535     #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
536 root 1.86 #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
537 root 1.72 #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
538 root 1.93 #define ev_async_set(ev) do { (ev)->sent = 0; } while (0)
539 root 1.16
540 root 1.45 #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
541     #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
542     #define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
543     #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
544 root 1.91 #define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
545 root 1.89 #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
546 root 1.45 #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
547     #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
548     #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
549 root 1.86 #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
550 root 1.72 #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
551 root 1.92 #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
552 root 1.1
553 root 1.66 #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
554     #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
555 root 1.32
556 root 1.78 #define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
557 root 1.33 #define ev_cb(ev) (ev)->cb /* rw */
558 root 1.78 #define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri)
559 root 1.45
560 root 1.100 #define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.)
561    
562 root 1.45 #ifndef ev_set_cb
563     # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
564     #endif
565 root 1.1
566 root 1.5 /* stopping (enabling, adding) a watcher does nothing if it is already running */
567     /* stopping (disabling, deleting) a watcher does nothing unless its already running */
568 root 1.9 #if EV_PROTOTYPES
569 root 1.41
570     /* feeds an event into a watcher as if the event actually occured */
571     /* accepts any ev_watcher type */
572     void ev_feed_event (EV_P_ void *w, int revents);
573 root 1.42 void ev_feed_fd_event (EV_P_ int fd, int revents);
574     void ev_feed_signal_event (EV_P_ int signum);
575 root 1.81 void ev_invoke (EV_P_ void *w, int revents);
576 root 1.80 int ev_clear_pending (EV_P_ void *w);
577 root 1.41
578 root 1.66 void ev_io_start (EV_P_ ev_io *w);
579     void ev_io_stop (EV_P_ ev_io *w);
580 root 1.6
581 root 1.66 void ev_timer_start (EV_P_ ev_timer *w);
582     void ev_timer_stop (EV_P_ ev_timer *w);
583 root 1.30 /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
584 root 1.66 void ev_timer_again (EV_P_ ev_timer *w);
585 root 1.1
586 root 1.69 #if EV_PERIODIC_ENABLE
587 root 1.66 void ev_periodic_start (EV_P_ ev_periodic *w);
588     void ev_periodic_stop (EV_P_ ev_periodic *w);
589     void ev_periodic_again (EV_P_ ev_periodic *w);
590 root 1.50 #endif
591 root 1.1
592 root 1.70 /* only supported in the default loop */
593     void ev_signal_start (EV_P_ ev_signal *w);
594     void ev_signal_stop (EV_P_ ev_signal *w);
595    
596     /* only supported in the default loop */
597     void ev_child_start (EV_P_ ev_child *w);
598     void ev_child_stop (EV_P_ ev_child *w);
599    
600     # if EV_STAT_ENABLE
601     void ev_stat_start (EV_P_ ev_stat *w);
602     void ev_stat_stop (EV_P_ ev_stat *w);
603     void ev_stat_stat (EV_P_ ev_stat *w);
604     # endif
605    
606 root 1.78 # if EV_IDLE_ENABLE
607 root 1.66 void ev_idle_start (EV_P_ ev_idle *w);
608     void ev_idle_stop (EV_P_ ev_idle *w);
609 root 1.78 # endif
610 root 1.5
611 root 1.66 void ev_prepare_start (EV_P_ ev_prepare *w);
612     void ev_prepare_stop (EV_P_ ev_prepare *w);
613 root 1.11
614 root 1.66 void ev_check_start (EV_P_ ev_check *w);
615     void ev_check_stop (EV_P_ ev_check *w);
616 root 1.12
617 root 1.72 # if EV_FORK_ENABLE
618     void ev_fork_start (EV_P_ ev_fork *w);
619     void ev_fork_stop (EV_P_ ev_fork *w);
620     # endif
621    
622 root 1.69 # if EV_EMBED_ENABLE
623 root 1.64 /* only supported when loop to be embedded is in fact embeddable */
624 root 1.66 void ev_embed_start (EV_P_ ev_embed *w);
625     void ev_embed_stop (EV_P_ ev_embed *w);
626 root 1.68 void ev_embed_sweep (EV_P_ ev_embed *w);
627 root 1.64 # endif
628    
629 root 1.92 # if EV_ASYNC_ENABLE
630     void ev_async_start (EV_P_ ev_async *w);
631     void ev_async_stop (EV_P_ ev_async *w);
632     void ev_async_send (EV_P_ ev_async *w);
633     # endif
634    
635 root 1.9 #endif
636 root 1.5
637 root 1.19 #ifdef __cplusplus
638     }
639     #endif
640    
641 root 1.1 #endif
642