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159 | typedef struct ev_watcher_time |
159 | typedef struct ev_watcher_time |
160 | { |
160 | { |
161 | EV_WATCHER_TIME (ev_watcher_time) |
161 | EV_WATCHER_TIME (ev_watcher_time) |
162 | } ev_watcher_time; |
162 | } ev_watcher_time; |
163 | |
163 | |
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164 | /* invoked when fd is either EV_READable or EV_WRITEable */ |
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165 | /* revent EV_READ, EV_WRITE */ |
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166 | typedef struct ev_io |
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167 | { |
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168 | EV_WATCHER_LIST (ev_io) |
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169 | |
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170 | int fd; /* ro */ |
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171 | int events; /* ro */ |
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172 | } ev_io; |
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173 | |
164 | /* invoked after a specific time, repeatable (based on monotonic clock) */ |
174 | /* invoked after a specific time, repeatable (based on monotonic clock) */ |
165 | /* revent EV_TIMEOUT */ |
175 | /* revent EV_TIMEOUT */ |
166 | typedef struct ev_timer |
176 | typedef struct ev_timer |
167 | { |
177 | { |
168 | EV_WATCHER_TIME (ev_timer) |
178 | EV_WATCHER_TIME (ev_timer) |
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178 | |
188 | |
179 | ev_tstamp interval; /* rw */ |
189 | ev_tstamp interval; /* rw */ |
180 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
190 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
181 | } ev_periodic; |
191 | } ev_periodic; |
182 | |
192 | |
183 | /* invoked when fd is either EV_READable or EV_WRITEable */ |
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184 | /* revent EV_READ, EV_WRITE */ |
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185 | typedef struct ev_io |
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186 | { |
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187 | EV_WATCHER_LIST (ev_io) |
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188 | |
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189 | int fd; /* ro */ |
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190 | int events; /* ro */ |
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191 | } ev_io; |
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192 | |
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193 | /* invoked when the given signal has been received */ |
193 | /* invoked when the given signal has been received */ |
194 | /* revent EV_SIGNAL */ |
194 | /* revent EV_SIGNAL */ |
195 | typedef struct ev_signal |
195 | typedef struct ev_signal |
196 | { |
196 | { |
197 | EV_WATCHER_LIST (ev_signal) |
197 | EV_WATCHER_LIST (ev_signal) |
198 | |
198 | |
199 | int signum; /* ro */ |
199 | int signum; /* ro */ |
200 | } ev_signal; |
200 | } ev_signal; |
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201 | |
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202 | /* invoked when sigchld is received and waitpid indicates the given pid */ |
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203 | /* revent EV_CHILD */ |
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204 | /* does not support priorities */ |
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205 | typedef struct ev_child |
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206 | { |
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207 | EV_WATCHER_LIST (ev_child) |
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208 | |
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209 | int pid; /* ro */ |
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210 | int rpid; /* rw, holds the received pid */ |
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211 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
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212 | } ev_child; |
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213 | |
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214 | #if EV_STAT_ENABLE |
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215 | /* st_nlink = 0 means missing file or other error */ |
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216 | typedef struct stat ev_statdata; |
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217 | |
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218 | /* invoked each time the stat data changes for a given path */ |
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219 | /* revent EV_STAT */ |
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220 | typedef struct ev_stat |
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221 | { |
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222 | EV_WATCHER (ev_stat) |
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223 | |
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224 | ev_timer timer; /* private */ |
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225 | ev_tstamp interval; /* ro */ |
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226 | const char *path; /* ro */ |
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227 | ev_statdata prev; /* ro */ |
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228 | ev_statdata attr; /* ro */ |
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229 | } ev_stat; |
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230 | #endif |
201 | |
231 | |
202 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
232 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
203 | /* revent EV_IDLE */ |
233 | /* revent EV_IDLE */ |
204 | typedef struct ev_idle |
234 | typedef struct ev_idle |
205 | { |
235 | { |
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219 | typedef struct ev_check |
249 | typedef struct ev_check |
220 | { |
250 | { |
221 | EV_WATCHER (ev_check) |
251 | EV_WATCHER (ev_check) |
222 | } ev_check; |
252 | } ev_check; |
223 | |
253 | |
224 | /* invoked when sigchld is received and waitpid indicates the given pid */ |
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225 | /* revent EV_CHILD */ |
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226 | /* does not support priorities */ |
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227 | typedef struct ev_child |
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228 | { |
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229 | EV_WATCHER_LIST (ev_child) |
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230 | |
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231 | int pid; /* ro */ |
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232 | int rpid; /* rw, holds the received pid */ |
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233 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
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234 | } ev_child; |
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235 | |
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236 | #if EV_EMBED_ENABLE |
254 | #if EV_EMBED_ENABLE |
237 | /* used to embed an event loop inside another */ |
255 | /* used to embed an event loop inside another */ |
238 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
256 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
239 | typedef struct ev_embed |
257 | typedef struct ev_embed |
240 | { |
258 | { |
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243 | ev_io io; /* private */ |
261 | ev_io io; /* private */ |
244 | struct ev_loop *loop; /* ro */ |
262 | struct ev_loop *loop; /* ro */ |
245 | } ev_embed; |
263 | } ev_embed; |
246 | #endif |
264 | #endif |
247 | |
265 | |
248 | #if EV_STAT_ENABLE |
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249 | /* st_nlink = 0 means missing file or other error */ |
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250 | typedef struct stat ev_statdata; |
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251 | |
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252 | /* invoked each time the stat data changes for a given path */ |
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253 | /* revent EV_STAT */ |
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254 | typedef struct ev_stat |
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255 | { |
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256 | EV_WATCHER (ev_stat) |
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257 | |
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258 | ev_timer timer; /* private */ |
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259 | ev_tstamp interval; /* rw */ |
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260 | const char *path; /* ro */ |
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261 | ev_statdata prev; /* ro */ |
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262 | ev_statdata attr; /* ro */ |
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263 | } ev_stat; |
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264 | #endif |
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265 | |
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266 | /* the presence of this union forces similar struct layout */ |
266 | /* the presence of this union forces similar struct layout */ |
267 | union ev_any_watcher |
267 | union ev_any_watcher |
268 | { |
268 | { |
269 | struct ev_watcher w; |
269 | struct ev_watcher w; |
270 | struct ev_watcher_list wl; |
270 | struct ev_watcher_list wl; |
271 | |
271 | |
272 | struct ev_io io; |
272 | struct ev_io io; |
273 | struct ev_timer timer; |
273 | struct ev_timer timer; |
274 | struct ev_periodic periodic; |
274 | struct ev_periodic periodic; |
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275 | struct ev_child child; |
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276 | #if EV_STAT_ENABLE |
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277 | struct ev_stat stat; |
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278 | #endif |
275 | struct ev_idle idle; |
279 | struct ev_idle idle; |
276 | struct ev_prepare prepare; |
280 | struct ev_prepare prepare; |
277 | struct ev_check check; |
281 | struct ev_check check; |
278 | struct ev_signal signal; |
282 | struct ev_signal signal; |
279 | struct ev_child child; |
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280 | #if EV_EMBED_ENABLE |
283 | #if EV_EMBED_ENABLE |
281 | struct ev_embed embed; |
284 | struct ev_embed embed; |
282 | #endif |
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283 | #if EV_STAT_ENABLE |
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284 | struct ev_stat stat; |
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285 | #endif |
285 | #endif |
286 | }; |
286 | }; |
287 | |
287 | |
288 | /* bits for ev_default_loop and ev_loop_new */ |
288 | /* bits for ev_default_loop and ev_loop_new */ |
289 | /* the default */ |
289 | /* the default */ |
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401 | |
401 | |
402 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
402 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
403 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
403 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
404 | #define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) |
404 | #define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) |
405 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
405 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
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406 | #define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
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407 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); } while (0) |
406 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
408 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
407 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
409 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
408 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
410 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
409 | #define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
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410 | #define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0) |
411 | #define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0) |
411 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); } while (0) |
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412 | |
412 | |
413 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
413 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
414 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
414 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
415 | #define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) |
415 | #define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) |
416 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
416 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
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417 | #define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
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418 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0) |
417 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
419 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
418 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
420 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
419 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
421 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
420 | #define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
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421 | #define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0) |
422 | #define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0) |
422 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0) |
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423 | |
423 | |
424 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
424 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
425 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
425 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
426 | |
426 | |
427 | #define ev_priority(ev) ((ev_watcher *)(void *)(ev))->priority /* rw */ |
427 | #define ev_priority(ev) ((ev_watcher *)(void *)(ev))->priority /* rw */ |
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454 | void ev_periodic_start (EV_P_ ev_periodic *w); |
454 | void ev_periodic_start (EV_P_ ev_periodic *w); |
455 | void ev_periodic_stop (EV_P_ ev_periodic *w); |
455 | void ev_periodic_stop (EV_P_ ev_periodic *w); |
456 | void ev_periodic_again (EV_P_ ev_periodic *w); |
456 | void ev_periodic_again (EV_P_ ev_periodic *w); |
457 | #endif |
457 | #endif |
458 | |
458 | |
459 | void ev_idle_start (EV_P_ ev_idle *w); |
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460 | void ev_idle_stop (EV_P_ ev_idle *w); |
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461 | |
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462 | void ev_prepare_start (EV_P_ ev_prepare *w); |
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463 | void ev_prepare_stop (EV_P_ ev_prepare *w); |
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464 | |
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465 | void ev_check_start (EV_P_ ev_check *w); |
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466 | void ev_check_stop (EV_P_ ev_check *w); |
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467 | |
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468 | /* only supported in the default loop */ |
459 | /* only supported in the default loop */ |
469 | void ev_signal_start (EV_P_ ev_signal *w); |
460 | void ev_signal_start (EV_P_ ev_signal *w); |
470 | void ev_signal_stop (EV_P_ ev_signal *w); |
461 | void ev_signal_stop (EV_P_ ev_signal *w); |
471 | |
462 | |
472 | /* only supported in the default loop */ |
463 | /* only supported in the default loop */ |
473 | void ev_child_start (EV_P_ ev_child *w); |
464 | void ev_child_start (EV_P_ ev_child *w); |
474 | void ev_child_stop (EV_P_ ev_child *w); |
465 | void ev_child_stop (EV_P_ ev_child *w); |
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466 | |
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467 | # if EV_STAT_ENABLE |
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468 | void ev_stat_start (EV_P_ ev_stat *w); |
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469 | void ev_stat_stop (EV_P_ ev_stat *w); |
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470 | void ev_stat_stat (EV_P_ ev_stat *w); |
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471 | # endif |
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472 | |
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473 | void ev_idle_start (EV_P_ ev_idle *w); |
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474 | void ev_idle_stop (EV_P_ ev_idle *w); |
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475 | |
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476 | void ev_prepare_start (EV_P_ ev_prepare *w); |
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477 | void ev_prepare_stop (EV_P_ ev_prepare *w); |
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478 | |
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479 | void ev_check_start (EV_P_ ev_check *w); |
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480 | void ev_check_stop (EV_P_ ev_check *w); |
475 | |
481 | |
476 | # if EV_EMBED_ENABLE |
482 | # if EV_EMBED_ENABLE |
477 | /* only supported when loop to be embedded is in fact embeddable */ |
483 | /* only supported when loop to be embedded is in fact embeddable */ |
478 | void ev_embed_start (EV_P_ ev_embed *w); |
484 | void ev_embed_start (EV_P_ ev_embed *w); |
479 | void ev_embed_stop (EV_P_ ev_embed *w); |
485 | void ev_embed_stop (EV_P_ ev_embed *w); |
480 | void ev_embed_sweep (EV_P_ ev_embed *w); |
486 | void ev_embed_sweep (EV_P_ ev_embed *w); |
481 | # endif |
487 | # endif |
482 | |
488 | |
483 | # if EV_STAT_ENABLE |
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484 | void ev_stat_start (EV_P_ ev_stat *w); |
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485 | void ev_stat_stop (EV_P_ ev_stat *w); |
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486 | void ev_stat_stat (EV_P_ ev_stat *w); |
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487 | # endif |
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488 | |
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489 | #endif |
489 | #endif |
490 | |
490 | |
491 | #ifdef __cplusplus |
491 | #ifdef __cplusplus |
492 | } |
492 | } |
493 | #endif |
493 | #endif |