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84 | #define EV_CHILD 0x004000 /* child/pid only */ |
84 | #define EV_CHILD 0x004000 /* child/pid only */ |
85 | #define EV_ERROR 0x800000 /* sent when an error occurs */ |
85 | #define EV_ERROR 0x800000 /* sent when an error occurs */ |
86 | |
86 | |
87 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
87 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
88 | #ifndef EV_COMMON |
88 | #ifndef EV_COMMON |
89 | # define EV_COMMON void *data |
89 | # define EV_COMMON void *data; |
90 | #endif |
90 | #endif |
91 | #ifndef EV_PROTOTYPES |
91 | #ifndef EV_PROTOTYPES |
92 | # define EV_PROTOTYPES 1 |
92 | # define EV_PROTOTYPES 1 |
93 | #endif |
93 | #endif |
94 | |
94 | |
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112 | /* shared by all watchers */ |
112 | /* shared by all watchers */ |
113 | #define EV_WATCHER(type) \ |
113 | #define EV_WATCHER(type) \ |
114 | int active; /* private */ \ |
114 | int active; /* private */ \ |
115 | int pending; /* private */ \ |
115 | int pending; /* private */ \ |
116 | int priority; /* private */ \ |
116 | int priority; /* private */ \ |
117 | EV_COMMON; /* rw */ \ |
117 | EV_COMMON /* rw */ \ |
118 | EV_CB_DECLARE (type) /* private */ |
118 | EV_CB_DECLARE (type) /* private */ |
119 | |
119 | |
120 | #define EV_WATCHER_LIST(type) \ |
120 | #define EV_WATCHER_LIST(type) \ |
121 | EV_WATCHER (type); \ |
121 | EV_WATCHER (type) \ |
122 | struct ev_watcher_list *next /* private */ |
122 | struct ev_watcher_list *next; /* private */ |
123 | |
123 | |
124 | #define EV_WATCHER_TIME(type) \ |
124 | #define EV_WATCHER_TIME(type) \ |
125 | EV_WATCHER (type); \ |
125 | EV_WATCHER (type) \ |
126 | ev_tstamp at /* private */ |
126 | ev_tstamp at; /* private */ |
127 | |
127 | |
128 | /* base class, nothing to see here unless you subclass */ |
128 | /* base class, nothing to see here unless you subclass */ |
129 | struct ev_watcher |
129 | struct ev_watcher |
130 | { |
130 | { |
131 | EV_WATCHER (ev_watcher); |
131 | EV_WATCHER (ev_watcher) |
132 | }; |
132 | }; |
133 | |
133 | |
134 | /* base class, nothing to see here unless you subclass */ |
134 | /* base class, nothing to see here unless you subclass */ |
135 | struct ev_watcher_list |
135 | struct ev_watcher_list |
136 | { |
136 | { |
137 | EV_WATCHER_LIST (ev_watcher_list); |
137 | EV_WATCHER_LIST (ev_watcher_list) |
138 | }; |
138 | }; |
139 | |
139 | |
140 | /* base class, nothing to see here unless you subclass */ |
140 | /* base class, nothing to see here unless you subclass */ |
141 | struct ev_watcher_time |
141 | struct ev_watcher_time |
142 | { |
142 | { |
143 | EV_WATCHER_TIME (ev_watcher_time); |
143 | EV_WATCHER_TIME (ev_watcher_time) |
144 | }; |
144 | }; |
145 | |
145 | |
146 | /* invoked after a specific time, repeatable (based on monotonic clock) */ |
146 | /* invoked after a specific time, repeatable (based on monotonic clock) */ |
147 | /* revent EV_TIMEOUT */ |
147 | /* revent EV_TIMEOUT */ |
148 | struct ev_timer |
148 | struct ev_timer |
149 | { |
149 | { |
150 | EV_WATCHER_TIME (ev_timer); |
150 | EV_WATCHER_TIME (ev_timer) |
151 | |
151 | |
152 | ev_tstamp repeat; /* rw */ |
152 | ev_tstamp repeat; /* rw */ |
153 | }; |
153 | }; |
154 | |
154 | |
155 | /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ |
155 | /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ |
156 | /* revent EV_PERIODIC */ |
156 | /* revent EV_PERIODIC */ |
157 | struct ev_periodic |
157 | struct ev_periodic |
158 | { |
158 | { |
159 | EV_WATCHER_TIME (ev_periodic); |
159 | EV_WATCHER_TIME (ev_periodic) |
160 | |
160 | |
161 | ev_tstamp interval; /* rw */ |
161 | ev_tstamp interval; /* rw */ |
162 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
162 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
163 | }; |
163 | }; |
164 | |
164 | |
165 | /* invoked when fd is either EV_READable or EV_WRITEable */ |
165 | /* invoked when fd is either EV_READable or EV_WRITEable */ |
166 | /* revent EV_READ, EV_WRITE */ |
166 | /* revent EV_READ, EV_WRITE */ |
167 | struct ev_io |
167 | struct ev_io |
168 | { |
168 | { |
169 | EV_WATCHER_LIST (ev_io); |
169 | EV_WATCHER_LIST (ev_io) |
170 | |
170 | |
171 | int fd; /* ro */ |
171 | int fd; /* ro */ |
172 | int events; /* ro */ |
172 | int events; /* ro */ |
173 | }; |
173 | }; |
174 | |
174 | |
175 | /* invoked when the given signal has been received */ |
175 | /* invoked when the given signal has been received */ |
176 | /* revent EV_SIGNAL */ |
176 | /* revent EV_SIGNAL */ |
177 | struct ev_signal |
177 | struct ev_signal |
178 | { |
178 | { |
179 | EV_WATCHER_LIST (ev_signal); |
179 | EV_WATCHER_LIST (ev_signal) |
180 | |
180 | |
181 | int signum; /* ro */ |
181 | int signum; /* ro */ |
182 | }; |
182 | }; |
183 | |
183 | |
184 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
184 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
185 | /* revent EV_IDLE */ |
185 | /* revent EV_IDLE */ |
186 | struct ev_idle |
186 | struct ev_idle |
187 | { |
187 | { |
188 | EV_WATCHER (ev_idle); |
188 | EV_WATCHER (ev_idle) |
189 | }; |
189 | }; |
190 | |
190 | |
191 | /* invoked for each run of the mainloop, just before the blocking call */ |
191 | /* invoked for each run of the mainloop, just before the blocking call */ |
192 | /* you can still change events in any way you like */ |
192 | /* you can still change events in any way you like */ |
193 | /* revent EV_PREPARE */ |
193 | /* revent EV_PREPARE */ |
194 | struct ev_prepare |
194 | struct ev_prepare |
195 | { |
195 | { |
196 | EV_WATCHER (ev_prepare); |
196 | EV_WATCHER (ev_prepare) |
197 | }; |
197 | }; |
198 | |
198 | |
199 | /* invoked for each run of the mainloop, just after the blocking call */ |
199 | /* invoked for each run of the mainloop, just after the blocking call */ |
200 | /* revent EV_CHECK */ |
200 | /* revent EV_CHECK */ |
201 | struct ev_check |
201 | struct ev_check |
202 | { |
202 | { |
203 | EV_WATCHER (ev_check); |
203 | EV_WATCHER (ev_check) |
204 | }; |
204 | }; |
205 | |
205 | |
206 | /* invoked when sigchld is received and waitpid indicates the givne pid */ |
206 | /* invoked when sigchld is received and waitpid indicates the given pid */ |
207 | /* revent EV_CHILD */ |
207 | /* revent EV_CHILD */ |
208 | /* does not support priorities */ |
208 | /* does not support priorities */ |
209 | struct ev_child |
209 | struct ev_child |
210 | { |
210 | { |
211 | EV_WATCHER_LIST (ev_child); |
211 | EV_WATCHER_LIST (ev_child) |
212 | |
212 | |
213 | int pid; /* ro */ |
213 | int pid; /* ro */ |
214 | int rpid; /* rw, holds the received pid */ |
214 | int rpid; /* rw, holds the received pid */ |
215 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
215 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
216 | }; |
216 | }; |
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229 | struct ev_check check; |
229 | struct ev_check check; |
230 | struct ev_signal signal; |
230 | struct ev_signal signal; |
231 | struct ev_child child; |
231 | struct ev_child child; |
232 | }; |
232 | }; |
233 | |
233 | |
234 | #define EVMETHOD_AUTO 0 /* consults environment */ |
234 | /* bits for ev_default_loop and ev_loop_new */ |
235 | #define EVMETHOD_SELECT 1 |
235 | /* the default */ |
236 | #define EVMETHOD_POLL 2 |
236 | #define EVFLAG_AUTO 0x00000000 /* not quite a mask */ |
237 | #define EVMETHOD_EPOLL 4 |
237 | |
238 | #define EVMETHOD_KQUEUE 8 |
238 | /* method bits to be ored together */ |
239 | #define EVMETHOD_DEVPOLL 16 /* NYI */ |
239 | #define EVMETHOD_SELECT 0x00000001 /* about anywhere */ |
240 | #define EVMETHOD_PORT 32 /* NYI */ |
240 | #define EVMETHOD_POLL 0x00000002 /* !win */ |
241 | #define EVMETHOD_WIN32 64 /* NYI */ |
241 | #define EVMETHOD_EPOLL 0x00000004 /* linux */ |
242 | #define EVMETHOD_ANY ~0 /* any method, do not consult env */ |
242 | #define EVMETHOD_KQUEUE 0x00000008 /* bsd */ |
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243 | #define EVMETHOD_DEVPOLL 0x00000010 /* solaris 8 */ /* NYI */ |
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244 | #define EVMETHOD_PORT 0x00000020 /* solaris 10 */ |
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245 | |
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246 | /* flag bits */ |
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247 | #define EVFLAG_NOENV 0x01000000 /* do NOT consult environment */ |
243 | |
248 | |
244 | #if EV_PROTOTYPES |
249 | #if EV_PROTOTYPES |
245 | int ev_version_major (void); |
250 | int ev_version_major (void); |
246 | int ev_version_minor (void); |
251 | int ev_version_minor (void); |
247 | |
252 | |
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262 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
267 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
263 | |
268 | |
264 | # if EV_MULTIPLICITY |
269 | # if EV_MULTIPLICITY |
265 | /* the default loop is the only one that handles signals and child watchers */ |
270 | /* the default loop is the only one that handles signals and child watchers */ |
266 | /* you can call this as often as you like */ |
271 | /* you can call this as often as you like */ |
267 | struct ev_loop *ev_default_loop (int methods); /* returns default loop */ |
272 | static struct ev_loop * |
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273 | ev_default_loop (unsigned int flags) |
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274 | { |
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275 | extern struct ev_loop *ev_default_loop_ptr; |
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276 | extern struct ev_loop *ev_default_loop_ (unsigned int flags); |
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277 | |
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278 | if (!ev_default_loop_ptr) |
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279 | ev_default_loop_init (flags); |
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280 | |
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281 | return ev_default_loop_ptr; |
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282 | } |
268 | |
283 | |
269 | /* create and destroy alternative loops that don't handle signals */ |
284 | /* create and destroy alternative loops that don't handle signals */ |
270 | struct ev_loop *ev_loop_new (int methods); |
285 | struct ev_loop *ev_loop_new (unsigned int flags); |
271 | void ev_loop_destroy (EV_P); |
286 | void ev_loop_destroy (EV_P); |
272 | void ev_loop_fork (EV_P); |
287 | void ev_loop_fork (EV_P); |
273 | |
288 | |
274 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
289 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
275 | |
290 | |
276 | # else |
291 | # else |
277 | |
292 | |
278 | int ev_default_loop (int methods); /* returns true when successful */ |
293 | int ev_default_loop (unsigned int flags); /* returns true when successful */ |
279 | |
294 | |
280 | static ev_tstamp |
295 | static ev_tstamp |
281 | ev_now () |
296 | ev_now (void) |
282 | { |
297 | { |
283 | extern ev_tstamp ev_rt_now; |
298 | extern ev_tstamp ev_rt_now; |
284 | |
299 | |
285 | return ev_rt_now; |
300 | return ev_rt_now; |
286 | } |
301 | } |
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291 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
306 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
292 | /* you can call it in either the parent or the child */ |
307 | /* you can call it in either the parent or the child */ |
293 | /* you can actually call it at any time, anywhere :) */ |
308 | /* you can actually call it at any time, anywhere :) */ |
294 | void ev_default_fork (void); |
309 | void ev_default_fork (void); |
295 | |
310 | |
296 | int ev_method (EV_P); |
311 | unsigned int ev_method (EV_P); |
297 | #endif |
312 | #endif |
298 | |
313 | |
299 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
314 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
300 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
315 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
301 | #define EVUNLOOP_ONCE 1 /* unloop once */ |
316 | #define EVUNLOOP_ONE 1 /* unloop once */ |
302 | #define EVUNLOOP_ALL 2 /* unloop all loops */ |
317 | #define EVUNLOOP_ALL 2 /* unloop all loops */ |
303 | |
318 | |
304 | #if EV_PROTOTYPES |
319 | #if EV_PROTOTYPES |
305 | void ev_loop (EV_P_ int flags); |
320 | void ev_loop (EV_P_ int flags); |
306 | 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 */ |
321 | 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 */ |