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40 | #ifndef EV_MINPRI |
40 | #ifndef EV_MINPRI |
41 | # define EV_MINPRI -2 |
41 | # define EV_MINPRI -2 |
42 | #endif |
42 | #endif |
43 | #ifndef EV_MAXPRI |
43 | #ifndef EV_MAXPRI |
44 | # define EV_MAXPRI +2 |
44 | # define EV_MAXPRI +2 |
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45 | #endif |
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46 | |
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47 | /* support multiple event loops? */ |
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48 | #ifdef EV_MULTIPLICITY |
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49 | struct ev_loop; |
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50 | # define EV_P struct ev_loop *loop |
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51 | # define EV_P_ EV_P, |
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52 | # define EV_A loop |
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53 | # define EV_A_ EV_A, |
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54 | #else |
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55 | # define EV_P void |
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56 | # define EV_P_ |
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57 | # define EV_A |
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58 | # define EV_A_ |
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59 | |
45 | #endif |
60 | #endif |
46 | |
61 | |
47 | /* eventmask, revents, events... */ |
62 | /* eventmask, revents, events... */ |
48 | #define EV_UNDEF -1 /* guaranteed to be invalid */ |
63 | #define EV_UNDEF -1 /* guaranteed to be invalid */ |
49 | #define EV_NONE 0x00 |
64 | #define EV_NONE 0x00 |
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80 | #define EV_WATCHER(type) \ |
95 | #define EV_WATCHER(type) \ |
81 | int active; /* private */ \ |
96 | int active; /* private */ \ |
82 | int pending; /* private */ \ |
97 | int pending; /* private */ \ |
83 | int priority; /* ro */ \ |
98 | int priority; /* ro */ \ |
84 | EV_COMMON; /* rw */ \ |
99 | EV_COMMON; /* rw */ \ |
85 | void (*cb)(struct type *, int revents); /* rw */ /* gets invoked with an eventmask */ |
100 | void (*cb)(EV_P_ struct type *, int revents); /* rw */ /* gets invoked with an eventmask */ |
86 | |
101 | |
87 | #define EV_WATCHER_LIST(type) \ |
102 | #define EV_WATCHER_LIST(type) \ |
88 | EV_WATCHER (type); \ |
103 | EV_WATCHER (type); \ |
89 | struct type *next /* private */ |
104 | struct ev_watcher_list *next /* private */ |
90 | |
105 | |
91 | #define EV_WATCHER_TIME(type) \ |
106 | #define EV_WATCHER_TIME(type) \ |
92 | EV_WATCHER (type); \ |
107 | EV_WATCHER (type); \ |
93 | ev_tstamp at /* private */ |
108 | ev_tstamp at /* private */ |
94 | |
109 | |
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166 | EV_WATCHER (ev_check); |
181 | EV_WATCHER (ev_check); |
167 | }; |
182 | }; |
168 | |
183 | |
169 | /* invoked when sigchld is received and waitpid indicates the givne pid */ |
184 | /* invoked when sigchld is received and waitpid indicates the givne pid */ |
170 | /* revent EV_CHILD */ |
185 | /* revent EV_CHILD */ |
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186 | /* does not support priorities */ |
171 | struct ev_child |
187 | struct ev_child |
172 | { |
188 | { |
173 | EV_WATCHER_LIST (ev_child); |
189 | EV_WATCHER_LIST (ev_child); |
174 | |
190 | |
175 | int pid; /* ro */ |
191 | int pid; /* ro */ |
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184 | #define EVMETHOD_KQUEUE 8 |
200 | #define EVMETHOD_KQUEUE 8 |
185 | #define EVMETHOD_DEVPOLL 16 /* NYI */ |
201 | #define EVMETHOD_DEVPOLL 16 /* NYI */ |
186 | #define EVMETHOD_PORT 32 /* NYI */ |
202 | #define EVMETHOD_PORT 32 /* NYI */ |
187 | #define EVMETHOD_ANY ~0 /* any method, do not consult env */ |
203 | #define EVMETHOD_ANY ~0 /* any method, do not consult env */ |
188 | #if EV_PROTOTYPES |
204 | #if EV_PROTOTYPES |
189 | extern int ev_method; |
205 | int ev_method (EV_P); |
190 | int ev_init (int methods); /* returns ev_method */ |
206 | int ev_init (EV_P_ int methods); /* returns ev_method */ |
191 | int ev_version_major (void); |
207 | int ev_version_major (void); |
192 | int ev_version_minor (void); |
208 | int ev_version_minor (void); |
193 | |
209 | |
194 | /* these three calls are suitable for plugging into pthread_atfork */ |
210 | /* these three calls are suitable for plugging into pthread_atfork */ |
195 | void ev_fork_prepare (void); |
211 | void ev_fork_prepare (void); |
196 | void ev_fork_parent (void); |
212 | void ev_fork_parent (void); |
197 | void ev_fork_child (void); |
213 | void ev_fork_child (void); |
198 | |
214 | |
199 | extern ev_tstamp ev_now; /* time w.r.t. timers and the eventloop, updated after each poll */ |
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200 | ev_tstamp ev_time (void); |
215 | ev_tstamp ev_time (void); |
201 | #endif |
216 | #endif |
202 | |
217 | |
203 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
218 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
204 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
219 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
205 | #if EV_PROTOTYPES |
220 | #if EV_PROTOTYPES |
206 | void ev_loop (int flags); |
221 | void ev_loop (EV_P_ int flags); |
207 | extern int ev_loop_done; /* set to 1 to break out of event loop, set to 2 to break out of all event loops */ |
222 | void ev_unloop (EV_P_ int status); /* set to 1 to break out of event loop, set to 2 to break out of all event loops */ |
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223 | |
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224 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
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225 | |
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226 | /* |
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227 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
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228 | * keeps one reference. if you have a long-runing watcher you never unregister that |
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229 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
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230 | */ |
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231 | void ev_ref (EV_P); |
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232 | void ev_unref (EV_P); |
208 | |
233 | |
209 | /* convinience function, wait for a single event, without registering an event watcher */ |
234 | /* convinience function, wait for a single event, without registering an event watcher */ |
210 | /* if timeout is < 0, do wait indefinitely */ |
235 | /* if timeout is < 0, do wait indefinitely */ |
211 | void ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
236 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
212 | #endif |
237 | #endif |
213 | |
238 | |
214 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
239 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
215 | /* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
240 | /* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
216 | #define ev_watcher_init(ev,cb_) do { (ev)->active = (ev)->pending = (ev)->priority = 0; (ev)->cb = (cb_); } while (0) |
241 | #define ev_watcher_init(ev,cb_) do { (ev)->active = (ev)->pending = (ev)->priority = 0; (ev)->cb = (cb_); } while (0) |
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237 | #define ev_set_priority(ev,pri) (ev)->priority = pri |
262 | #define ev_set_priority(ev,pri) (ev)->priority = pri |
238 | |
263 | |
239 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
264 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
240 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
265 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
241 | #if EV_PROTOTYPES |
266 | #if EV_PROTOTYPES |
242 | void ev_io_start (struct ev_io *w); |
267 | void ev_io_start (EV_P_ struct ev_io *w); |
243 | void ev_io_stop (struct ev_io *w); |
268 | void ev_io_stop (EV_P_ struct ev_io *w); |
244 | |
269 | |
245 | void ev_timer_start (struct ev_timer *w); |
270 | void ev_timer_start (EV_P_ struct ev_timer *w); |
246 | void ev_timer_stop (struct ev_timer *w); |
271 | void ev_timer_stop (EV_P_ struct ev_timer *w); |
247 | void ev_timer_again (struct ev_timer *w); /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
272 | void ev_timer_again (EV_P_ struct ev_timer *w); /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
248 | |
273 | |
249 | void ev_periodic_start (struct ev_periodic *w); |
274 | void ev_periodic_start (EV_P_ struct ev_periodic *w); |
250 | void ev_periodic_stop (struct ev_periodic *w); |
275 | void ev_periodic_stop (EV_P_ struct ev_periodic *w); |
251 | |
276 | |
252 | void ev_signal_start (struct ev_signal *w); |
277 | void ev_signal_start (EV_P_ struct ev_signal *w); |
253 | void ev_signal_stop (struct ev_signal *w); |
278 | void ev_signal_stop (EV_P_ struct ev_signal *w); |
254 | |
279 | |
255 | void ev_idle_start (struct ev_idle *w); |
280 | void ev_idle_start (EV_P_ struct ev_idle *w); |
256 | void ev_idle_stop (struct ev_idle *w); |
281 | void ev_idle_stop (EV_P_ struct ev_idle *w); |
257 | |
282 | |
258 | void ev_prepare_start (struct ev_prepare *w); |
283 | void ev_prepare_start (EV_P_ struct ev_prepare *w); |
259 | void ev_prepare_stop (struct ev_prepare *w); |
284 | void ev_prepare_stop (EV_P_ struct ev_prepare *w); |
260 | |
285 | |
261 | void ev_check_start (struct ev_check *w); |
286 | void ev_check_start (EV_P_ struct ev_check *w); |
262 | void ev_check_stop (struct ev_check *w); |
287 | void ev_check_stop (EV_P_ struct ev_check *w); |
263 | |
288 | |
264 | void ev_child_start (struct ev_child *w); |
289 | void ev_child_start (EV_P_ struct ev_child *w); |
265 | void ev_child_stop (struct ev_child *w); |
290 | void ev_child_stop (EV_P_ struct ev_child *w); |
266 | #endif |
291 | #endif |
267 | |
292 | |
268 | #ifdef __cplusplus |
293 | #ifdef __cplusplus |
269 | } |
294 | } |
270 | #endif |
295 | #endif |