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 |
1.50 |
#ifndef EV_PERIODICS |
52 |
|
|
# define EV_PERIODICS 1 |
53 |
|
|
#endif |
54 |
|
|
|
55 |
root |
1.28 |
/* support multiple event loops? */ |
56 |
root |
1.29 |
#if EV_MULTIPLICITY |
57 |
root |
1.28 |
struct ev_loop; |
58 |
|
|
# define EV_P struct ev_loop *loop |
59 |
|
|
# define EV_P_ EV_P, |
60 |
|
|
# define EV_A loop |
61 |
|
|
# define EV_A_ EV_A, |
62 |
root |
1.49 |
# define EV_DEFAULT_A ev_default_loop (0) |
63 |
|
|
# define EV_DEFAULT_A_ EV_DEFAULT_A, |
64 |
root |
1.28 |
#else |
65 |
|
|
# define EV_P void |
66 |
|
|
# define EV_P_ |
67 |
|
|
# define EV_A |
68 |
|
|
# define EV_A_ |
69 |
root |
1.49 |
# define EV_DEFAULT_A |
70 |
|
|
# define EV_DEFAULT_A_ |
71 |
root |
1.28 |
#endif |
72 |
root |
1.27 |
|
73 |
root |
1.1 |
/* eventmask, revents, events... */ |
74 |
root |
1.63 |
#define EV_UNDEF -1L /* guaranteed to be invalid */ |
75 |
|
|
#define EV_NONE 0x00L |
76 |
|
|
#define EV_READ 0x01L /* io only */ |
77 |
|
|
#define EV_WRITE 0x02L /* io only */ |
78 |
|
|
#define EV_TIMEOUT 0x000100L /* timer only */ |
79 |
|
|
#define EV_PERIODIC 0x000200L /* periodic timer only */ |
80 |
|
|
#define EV_SIGNAL 0x000400L /* signal only */ |
81 |
|
|
#define EV_IDLE 0x000800L /* idle only */ |
82 |
|
|
#define EV_CHECK 0x001000L /* check only */ |
83 |
|
|
#define EV_PREPARE 0x002000L /* prepare only */ |
84 |
|
|
#define EV_CHILD 0x004000L /* child/pid only */ |
85 |
root |
1.64 |
#define EV_EMBED 0x008000L /* embedded event loop */ |
86 |
root |
1.63 |
#define EV_ERROR 0x800000L /* sent when an error occurs */ |
87 |
root |
1.1 |
|
88 |
root |
1.51 |
/* can be used to add custom fields to all watchers, while losing binary compatibility */ |
89 |
root |
1.6 |
#ifndef EV_COMMON |
90 |
root |
1.52 |
# define EV_COMMON void *data; |
91 |
root |
1.6 |
#endif |
92 |
root |
1.9 |
#ifndef EV_PROTOTYPES |
93 |
|
|
# define EV_PROTOTYPES 1 |
94 |
|
|
#endif |
95 |
root |
1.6 |
|
96 |
root |
1.14 |
#define EV_VERSION_MAJOR 1 |
97 |
|
|
#define EV_VERSION_MINOR 1 |
98 |
|
|
|
99 |
root |
1.44 |
#ifndef EV_CB_DECLARE |
100 |
root |
1.46 |
# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
101 |
root |
1.44 |
#endif |
102 |
|
|
#ifndef EV_CB_INVOKE |
103 |
|
|
# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
104 |
|
|
#endif |
105 |
|
|
|
106 |
root |
1.6 |
/* |
107 |
|
|
* struct member types: |
108 |
|
|
* private: you can look at them, but not change them, and they might not mean anything to you. |
109 |
|
|
* ro: can be read anytime, but only changed when the watcher isn't active |
110 |
|
|
* rw: can be read and modified anytime, even when the watcher is active |
111 |
|
|
*/ |
112 |
|
|
|
113 |
root |
1.1 |
/* shared by all watchers */ |
114 |
|
|
#define EV_WATCHER(type) \ |
115 |
|
|
int active; /* private */ \ |
116 |
|
|
int pending; /* private */ \ |
117 |
root |
1.32 |
int priority; /* private */ \ |
118 |
root |
1.52 |
EV_COMMON /* rw */ \ |
119 |
root |
1.44 |
EV_CB_DECLARE (type) /* private */ |
120 |
root |
1.1 |
|
121 |
|
|
#define EV_WATCHER_LIST(type) \ |
122 |
root |
1.52 |
EV_WATCHER (type) \ |
123 |
|
|
struct ev_watcher_list *next; /* private */ |
124 |
root |
1.1 |
|
125 |
root |
1.6 |
#define EV_WATCHER_TIME(type) \ |
126 |
root |
1.52 |
EV_WATCHER (type) \ |
127 |
|
|
ev_tstamp at; /* private */ |
128 |
root |
1.6 |
|
129 |
root |
1.7 |
/* base class, nothing to see here unless you subclass */ |
130 |
root |
1.66 |
typedef struct ev_watcher |
131 |
root |
1.44 |
{ |
132 |
root |
1.52 |
EV_WATCHER (ev_watcher) |
133 |
root |
1.66 |
} ev_watcher; |
134 |
root |
1.7 |
|
135 |
|
|
/* base class, nothing to see here unless you subclass */ |
136 |
root |
1.66 |
typedef struct ev_watcher_list |
137 |
root |
1.44 |
{ |
138 |
root |
1.52 |
EV_WATCHER_LIST (ev_watcher_list) |
139 |
root |
1.66 |
} ev_watcher_list; |
140 |
root |
1.7 |
|
141 |
|
|
/* base class, nothing to see here unless you subclass */ |
142 |
root |
1.66 |
typedef struct ev_watcher_time |
143 |
root |
1.44 |
{ |
144 |
root |
1.52 |
EV_WATCHER_TIME (ev_watcher_time) |
145 |
root |
1.66 |
} ev_watcher_time; |
146 |
root |
1.7 |
|
147 |
root |
1.6 |
/* invoked after a specific time, repeatable (based on monotonic clock) */ |
148 |
root |
1.17 |
/* revent EV_TIMEOUT */ |
149 |
root |
1.66 |
typedef struct ev_timer |
150 |
root |
1.1 |
{ |
151 |
root |
1.52 |
EV_WATCHER_TIME (ev_timer) |
152 |
root |
1.1 |
|
153 |
|
|
ev_tstamp repeat; /* rw */ |
154 |
root |
1.66 |
} ev_timer; |
155 |
root |
1.6 |
|
156 |
|
|
/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ |
157 |
root |
1.17 |
/* revent EV_PERIODIC */ |
158 |
root |
1.66 |
typedef struct ev_periodic |
159 |
root |
1.6 |
{ |
160 |
root |
1.52 |
EV_WATCHER_TIME (ev_periodic) |
161 |
root |
1.6 |
|
162 |
|
|
ev_tstamp interval; /* rw */ |
163 |
root |
1.40 |
ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
164 |
root |
1.66 |
} ev_periodic; |
165 |
root |
1.1 |
|
166 |
root |
1.5 |
/* invoked when fd is either EV_READable or EV_WRITEable */ |
167 |
root |
1.17 |
/* revent EV_READ, EV_WRITE */ |
168 |
root |
1.66 |
typedef struct ev_io |
169 |
root |
1.1 |
{ |
170 |
root |
1.52 |
EV_WATCHER_LIST (ev_io) |
171 |
root |
1.1 |
|
172 |
|
|
int fd; /* ro */ |
173 |
|
|
int events; /* ro */ |
174 |
root |
1.66 |
} ev_io; |
175 |
root |
1.1 |
|
176 |
root |
1.5 |
/* invoked when the given signal has been received */ |
177 |
root |
1.17 |
/* revent EV_SIGNAL */ |
178 |
root |
1.66 |
typedef struct ev_signal |
179 |
root |
1.1 |
{ |
180 |
root |
1.52 |
EV_WATCHER_LIST (ev_signal) |
181 |
root |
1.1 |
|
182 |
|
|
int signum; /* ro */ |
183 |
root |
1.66 |
} ev_signal; |
184 |
root |
1.1 |
|
185 |
root |
1.5 |
/* invoked when the nothing else needs to be done, keeps the process from blocking */ |
186 |
root |
1.17 |
/* revent EV_IDLE */ |
187 |
root |
1.66 |
typedef struct ev_idle |
188 |
root |
1.5 |
{ |
189 |
root |
1.52 |
EV_WATCHER (ev_idle) |
190 |
root |
1.66 |
} ev_idle; |
191 |
root |
1.5 |
|
192 |
root |
1.11 |
/* invoked for each run of the mainloop, just before the blocking call */ |
193 |
|
|
/* you can still change events in any way you like */ |
194 |
root |
1.17 |
/* revent EV_PREPARE */ |
195 |
root |
1.66 |
typedef struct ev_prepare |
196 |
root |
1.11 |
{ |
197 |
root |
1.52 |
EV_WATCHER (ev_prepare) |
198 |
root |
1.66 |
} ev_prepare; |
199 |
root |
1.11 |
|
200 |
|
|
/* invoked for each run of the mainloop, just after the blocking call */ |
201 |
root |
1.17 |
/* revent EV_CHECK */ |
202 |
root |
1.66 |
typedef struct ev_check |
203 |
root |
1.5 |
{ |
204 |
root |
1.52 |
EV_WATCHER (ev_check) |
205 |
root |
1.66 |
} ev_check; |
206 |
root |
1.5 |
|
207 |
root |
1.56 |
/* invoked when sigchld is received and waitpid indicates the given pid */ |
208 |
root |
1.17 |
/* revent EV_CHILD */ |
209 |
root |
1.25 |
/* does not support priorities */ |
210 |
root |
1.66 |
typedef struct ev_child |
211 |
root |
1.12 |
{ |
212 |
root |
1.52 |
EV_WATCHER_LIST (ev_child) |
213 |
root |
1.12 |
|
214 |
root |
1.24 |
int pid; /* ro */ |
215 |
|
|
int rpid; /* rw, holds the received pid */ |
216 |
|
|
int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
217 |
root |
1.66 |
} ev_child; |
218 |
root |
1.12 |
|
219 |
root |
1.64 |
#if EV_MULTIPLICITY |
220 |
|
|
/* used to embed an event loop inside another */ |
221 |
|
|
/* the callback gets invoked when the event loop has handled events, and can be 0 */ |
222 |
root |
1.66 |
typedef struct ev_embed |
223 |
root |
1.64 |
{ |
224 |
|
|
EV_WATCHER (ev_embed) |
225 |
|
|
|
226 |
root |
1.66 |
ev_io io; /* private */ |
227 |
root |
1.64 |
struct ev_loop *loop; /* ro */ |
228 |
root |
1.66 |
} ev_embed; |
229 |
root |
1.64 |
#endif |
230 |
|
|
|
231 |
root |
1.41 |
/* the presence of this union forces similar struct layout */ |
232 |
root |
1.35 |
union ev_any_watcher |
233 |
|
|
{ |
234 |
|
|
struct ev_watcher w; |
235 |
|
|
struct ev_watcher_list wl; |
236 |
root |
1.46 |
|
237 |
root |
1.35 |
struct ev_io io; |
238 |
|
|
struct ev_timer timer; |
239 |
|
|
struct ev_periodic periodic; |
240 |
|
|
struct ev_idle idle; |
241 |
|
|
struct ev_prepare prepare; |
242 |
|
|
struct ev_check check; |
243 |
root |
1.46 |
struct ev_signal signal; |
244 |
|
|
struct ev_child child; |
245 |
root |
1.64 |
struct ev_embed embed; |
246 |
root |
1.35 |
}; |
247 |
|
|
|
248 |
root |
1.53 |
/* bits for ev_default_loop and ev_loop_new */ |
249 |
|
|
/* the default */ |
250 |
root |
1.63 |
#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ |
251 |
|
|
/* flag bits */ |
252 |
|
|
#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ |
253 |
root |
1.53 |
/* method bits to be ored together */ |
254 |
root |
1.63 |
#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ |
255 |
|
|
#define EVBACKEND_POLL 0x00000002UL /* !win */ |
256 |
|
|
#define EVBACKEND_EPOLL 0x00000004UL /* linux */ |
257 |
|
|
#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ |
258 |
|
|
#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */ |
259 |
|
|
#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */ |
260 |
root |
1.29 |
|
261 |
root |
1.9 |
#if EV_PROTOTYPES |
262 |
root |
1.14 |
int ev_version_major (void); |
263 |
|
|
int ev_version_minor (void); |
264 |
root |
1.1 |
|
265 |
root |
1.63 |
unsigned int ev_supported_backends (void); |
266 |
|
|
unsigned int ev_recommended_backends (void); |
267 |
root |
1.64 |
unsigned int ev_embeddable_backends (void); |
268 |
root |
1.63 |
|
269 |
root |
1.1 |
ev_tstamp ev_time (void); |
270 |
root |
1.29 |
|
271 |
root |
1.36 |
/* Sets the allocation function to use, works like realloc. |
272 |
|
|
* It is used to allocate and free memory. |
273 |
|
|
* If it returns zero when memory needs to be allocated, the library might abort |
274 |
|
|
* or take some potentially destructive action. |
275 |
|
|
* The default is your system realloc function. |
276 |
|
|
*/ |
277 |
|
|
void ev_set_allocator (void *(*cb)(void *ptr, long size)); |
278 |
|
|
|
279 |
|
|
/* set the callback function to call on a |
280 |
|
|
* retryable syscall error |
281 |
|
|
* (such as failed select, poll, epoll_wait) |
282 |
|
|
*/ |
283 |
root |
1.37 |
void ev_set_syserr_cb (void (*cb)(const char *msg)); |
284 |
root |
1.36 |
|
285 |
root |
1.29 |
# if EV_MULTIPLICITY |
286 |
root |
1.30 |
/* the default loop is the only one that handles signals and child watchers */ |
287 |
|
|
/* you can call this as often as you like */ |
288 |
root |
1.58 |
static struct ev_loop * |
289 |
|
|
ev_default_loop (unsigned int flags) |
290 |
|
|
{ |
291 |
|
|
extern struct ev_loop *ev_default_loop_ptr; |
292 |
root |
1.61 |
extern struct ev_loop *ev_default_loop_init (unsigned int flags); |
293 |
root |
1.58 |
|
294 |
|
|
if (!ev_default_loop_ptr) |
295 |
root |
1.60 |
ev_default_loop_init (flags); |
296 |
root |
1.58 |
|
297 |
|
|
return ev_default_loop_ptr; |
298 |
|
|
} |
299 |
root |
1.30 |
|
300 |
|
|
/* create and destroy alternative loops that don't handle signals */ |
301 |
root |
1.53 |
struct ev_loop *ev_loop_new (unsigned int flags); |
302 |
root |
1.30 |
void ev_loop_destroy (EV_P); |
303 |
|
|
void ev_loop_fork (EV_P); |
304 |
root |
1.47 |
|
305 |
|
|
ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
306 |
|
|
|
307 |
root |
1.29 |
# else |
308 |
root |
1.47 |
|
309 |
root |
1.54 |
int ev_default_loop (unsigned int flags); /* returns true when successful */ |
310 |
root |
1.47 |
|
311 |
|
|
static ev_tstamp |
312 |
root |
1.52 |
ev_now (void) |
313 |
root |
1.47 |
{ |
314 |
root |
1.48 |
extern ev_tstamp ev_rt_now; |
315 |
root |
1.47 |
|
316 |
|
|
return ev_rt_now; |
317 |
|
|
} |
318 |
root |
1.29 |
# endif |
319 |
|
|
|
320 |
root |
1.30 |
void ev_default_destroy (void); /* destroy the default loop */ |
321 |
|
|
/* this needs to be called after fork, to duplicate the default loop */ |
322 |
|
|
/* if you create alternative loops you have to call ev_loop_fork on them */ |
323 |
|
|
/* you can call it in either the parent or the child */ |
324 |
|
|
/* you can actually call it at any time, anywhere :) */ |
325 |
|
|
void ev_default_fork (void); |
326 |
|
|
|
327 |
root |
1.63 |
unsigned int ev_backend (EV_P); |
328 |
root |
1.9 |
#endif |
329 |
root |
1.1 |
|
330 |
|
|
#define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
331 |
|
|
#define EVLOOP_ONESHOT 2 /* block *once* only */ |
332 |
root |
1.65 |
#define EVUNLOOP_CANCEL 0 /* undo unloop */ |
333 |
root |
1.57 |
#define EVUNLOOP_ONE 1 /* unloop once */ |
334 |
root |
1.29 |
#define EVUNLOOP_ALL 2 /* unloop all loops */ |
335 |
|
|
|
336 |
root |
1.9 |
#if EV_PROTOTYPES |
337 |
root |
1.27 |
void ev_loop (EV_P_ int flags); |
338 |
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 */ |
339 |
root |
1.27 |
|
340 |
|
|
/* |
341 |
|
|
* ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
342 |
|
|
* keeps one reference. if you have a long-runing watcher you never unregister that |
343 |
|
|
* should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
344 |
|
|
*/ |
345 |
|
|
void ev_ref (EV_P); |
346 |
|
|
void ev_unref (EV_P); |
347 |
root |
1.1 |
|
348 |
root |
1.9 |
/* convinience function, wait for a single event, without registering an event watcher */ |
349 |
|
|
/* if timeout is < 0, do wait indefinitely */ |
350 |
root |
1.27 |
void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
351 |
root |
1.9 |
#endif |
352 |
|
|
|
353 |
root |
1.2 |
/* these may evaluate ev multiple times, and the other arguments at most once */ |
354 |
root |
1.45 |
/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
355 |
|
|
#define ev_init(ev,cb_) do { \ |
356 |
root |
1.66 |
((ev_watcher *)(void *)(ev))->active = \ |
357 |
|
|
((ev_watcher *)(void *)(ev))->pending = \ |
358 |
|
|
((ev_watcher *)(void *)(ev))->priority = 0; \ |
359 |
root |
1.45 |
ev_set_cb ((ev), cb_); \ |
360 |
root |
1.32 |
} while (0) |
361 |
root |
1.3 |
|
362 |
root |
1.16 |
#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
363 |
|
|
#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
364 |
root |
1.40 |
#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) |
365 |
root |
1.16 |
#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
366 |
|
|
#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
367 |
|
|
#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
368 |
|
|
#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
369 |
|
|
#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
370 |
root |
1.64 |
#define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0) |
371 |
root |
1.16 |
|
372 |
root |
1.45 |
#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
373 |
|
|
#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
374 |
|
|
#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) |
375 |
|
|
#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
376 |
|
|
#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
377 |
|
|
#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
378 |
|
|
#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
379 |
|
|
#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
380 |
root |
1.64 |
#define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0) |
381 |
root |
1.1 |
|
382 |
root |
1.66 |
#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
383 |
|
|
#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
384 |
root |
1.32 |
|
385 |
root |
1.66 |
#define ev_priority(ev) ((ev_watcher *)(void *)(ev))->priority /* rw */ |
386 |
root |
1.33 |
#define ev_cb(ev) (ev)->cb /* rw */ |
387 |
root |
1.32 |
#define ev_set_priority(ev,pri) ev_priority (ev) = (pri) |
388 |
root |
1.45 |
|
389 |
|
|
#ifndef ev_set_cb |
390 |
|
|
# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
391 |
|
|
#endif |
392 |
root |
1.1 |
|
393 |
root |
1.5 |
/* stopping (enabling, adding) a watcher does nothing if it is already running */ |
394 |
|
|
/* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
395 |
root |
1.9 |
#if EV_PROTOTYPES |
396 |
root |
1.41 |
|
397 |
|
|
/* feeds an event into a watcher as if the event actually occured */ |
398 |
|
|
/* accepts any ev_watcher type */ |
399 |
|
|
void ev_feed_event (EV_P_ void *w, int revents); |
400 |
root |
1.42 |
void ev_feed_fd_event (EV_P_ int fd, int revents); |
401 |
|
|
void ev_feed_signal_event (EV_P_ int signum); |
402 |
root |
1.41 |
|
403 |
root |
1.66 |
void ev_io_start (EV_P_ ev_io *w); |
404 |
|
|
void ev_io_stop (EV_P_ ev_io *w); |
405 |
root |
1.6 |
|
406 |
root |
1.66 |
void ev_timer_start (EV_P_ ev_timer *w); |
407 |
|
|
void ev_timer_stop (EV_P_ ev_timer *w); |
408 |
root |
1.30 |
/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
409 |
root |
1.66 |
void ev_timer_again (EV_P_ ev_timer *w); |
410 |
root |
1.1 |
|
411 |
root |
1.50 |
#if EV_PERIODICS |
412 |
root |
1.66 |
void ev_periodic_start (EV_P_ ev_periodic *w); |
413 |
|
|
void ev_periodic_stop (EV_P_ ev_periodic *w); |
414 |
|
|
void ev_periodic_again (EV_P_ ev_periodic *w); |
415 |
root |
1.50 |
#endif |
416 |
root |
1.1 |
|
417 |
root |
1.66 |
void ev_idle_start (EV_P_ ev_idle *w); |
418 |
|
|
void ev_idle_stop (EV_P_ ev_idle *w); |
419 |
root |
1.5 |
|
420 |
root |
1.66 |
void ev_prepare_start (EV_P_ ev_prepare *w); |
421 |
|
|
void ev_prepare_stop (EV_P_ ev_prepare *w); |
422 |
root |
1.11 |
|
423 |
root |
1.66 |
void ev_check_start (EV_P_ ev_check *w); |
424 |
|
|
void ev_check_stop (EV_P_ ev_check *w); |
425 |
root |
1.12 |
|
426 |
root |
1.30 |
/* only supported in the default loop */ |
427 |
root |
1.66 |
void ev_signal_start (EV_P_ ev_signal *w); |
428 |
|
|
void ev_signal_stop (EV_P_ ev_signal *w); |
429 |
root |
1.30 |
|
430 |
|
|
/* only supported in the default loop */ |
431 |
root |
1.66 |
void ev_child_start (EV_P_ ev_child *w); |
432 |
|
|
void ev_child_stop (EV_P_ ev_child *w); |
433 |
root |
1.64 |
|
434 |
|
|
# if EV_MULTIPLICITY |
435 |
|
|
/* only supported when loop to be embedded is in fact embeddable */ |
436 |
root |
1.66 |
void ev_embed_start (EV_P_ ev_embed *w); |
437 |
|
|
void ev_embed_stop (EV_P_ ev_embed *w); |
438 |
|
|
void ev_embed_loop (EV_P_ ev_embed *w); |
439 |
root |
1.64 |
# endif |
440 |
|
|
|
441 |
root |
1.9 |
#endif |
442 |
root |
1.5 |
|
443 |
root |
1.19 |
#ifdef __cplusplus |
444 |
|
|
} |
445 |
|
|
#endif |
446 |
|
|
|
447 |
root |
1.1 |
#endif |
448 |
|
|
|