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80 | #define EV_SIGNAL 0x000400L /* signal only */ |
80 | #define EV_SIGNAL 0x000400L /* signal only */ |
81 | #define EV_IDLE 0x000800L /* idle only */ |
81 | #define EV_IDLE 0x000800L /* idle only */ |
82 | #define EV_CHECK 0x001000L /* check only */ |
82 | #define EV_CHECK 0x001000L /* check only */ |
83 | #define EV_PREPARE 0x002000L /* prepare only */ |
83 | #define EV_PREPARE 0x002000L /* prepare only */ |
84 | #define EV_CHILD 0x004000L /* child/pid only */ |
84 | #define EV_CHILD 0x004000L /* child/pid only */ |
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85 | #define EV_EMBED 0x008000L /* embedded event loop */ |
85 | #define EV_ERROR 0x800000L /* sent when an error occurs */ |
86 | #define EV_ERROR 0x800000L /* sent when an error occurs */ |
86 | |
87 | |
87 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
88 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
88 | #ifndef EV_COMMON |
89 | #ifndef EV_COMMON |
89 | # define EV_COMMON void *data; |
90 | # define EV_COMMON void *data; |
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212 | |
213 | |
213 | int pid; /* ro */ |
214 | int pid; /* ro */ |
214 | int rpid; /* rw, holds the received pid */ |
215 | int rpid; /* rw, holds the received pid */ |
215 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
216 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
216 | }; |
217 | }; |
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218 | |
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219 | #if EV_MULTIPLICITY |
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220 | /* used to embed an event loop inside another */ |
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221 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
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222 | struct ev_embed |
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223 | { |
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224 | EV_WATCHER (ev_embed) |
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225 | |
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226 | struct ev_io io; /* private */ |
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227 | struct ev_loop *loop; /* ro */ |
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228 | }; |
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229 | #endif |
217 | |
230 | |
218 | /* the presence of this union forces similar struct layout */ |
231 | /* the presence of this union forces similar struct layout */ |
219 | union ev_any_watcher |
232 | union ev_any_watcher |
220 | { |
233 | { |
221 | struct ev_watcher w; |
234 | struct ev_watcher w; |
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227 | struct ev_idle idle; |
240 | struct ev_idle idle; |
228 | struct ev_prepare prepare; |
241 | struct ev_prepare prepare; |
229 | struct ev_check check; |
242 | struct ev_check check; |
230 | struct ev_signal signal; |
243 | struct ev_signal signal; |
231 | struct ev_child child; |
244 | struct ev_child child; |
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245 | struct ev_embed embed; |
232 | }; |
246 | }; |
233 | |
247 | |
234 | /* bits for ev_default_loop and ev_loop_new */ |
248 | /* bits for ev_default_loop and ev_loop_new */ |
235 | /* the default */ |
249 | /* the default */ |
236 | #define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ |
250 | #define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ |
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248 | int ev_version_major (void); |
262 | int ev_version_major (void); |
249 | int ev_version_minor (void); |
263 | int ev_version_minor (void); |
250 | |
264 | |
251 | unsigned int ev_supported_backends (void); |
265 | unsigned int ev_supported_backends (void); |
252 | unsigned int ev_recommended_backends (void); |
266 | unsigned int ev_recommended_backends (void); |
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267 | unsigned int ev_embeddable_backends (void); |
253 | |
268 | |
254 | ev_tstamp ev_time (void); |
269 | ev_tstamp ev_time (void); |
255 | |
270 | |
256 | /* Sets the allocation function to use, works like realloc. |
271 | /* Sets the allocation function to use, works like realloc. |
257 | * It is used to allocate and free memory. |
272 | * It is used to allocate and free memory. |
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349 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
364 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
350 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
365 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
351 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
366 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
352 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
367 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
353 | #define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
368 | #define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
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369 | #define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0) |
354 | |
370 | |
355 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
371 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
356 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
372 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
357 | #define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) |
373 | #define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) |
358 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
374 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
359 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
375 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
360 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
376 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
361 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
377 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
362 | #define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
378 | #define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
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379 | #define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0) |
363 | |
380 | |
364 | #define ev_is_pending(ev) (0 + ((struct ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
381 | #define ev_is_pending(ev) (0 + ((struct ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
365 | #define ev_is_active(ev) (0 + ((struct ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
382 | #define ev_is_active(ev) (0 + ((struct ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
366 | |
383 | |
367 | #define ev_priority(ev) ((struct ev_watcher *)(void *)(ev))->priority /* rw */ |
384 | #define ev_priority(ev) ((struct ev_watcher *)(void *)(ev))->priority /* rw */ |
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410 | void ev_signal_stop (EV_P_ struct ev_signal *w); |
427 | void ev_signal_stop (EV_P_ struct ev_signal *w); |
411 | |
428 | |
412 | /* only supported in the default loop */ |
429 | /* only supported in the default loop */ |
413 | void ev_child_start (EV_P_ struct ev_child *w); |
430 | void ev_child_start (EV_P_ struct ev_child *w); |
414 | void ev_child_stop (EV_P_ struct ev_child *w); |
431 | void ev_child_stop (EV_P_ struct ev_child *w); |
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432 | |
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433 | # if EV_MULTIPLICITY |
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434 | /* only supported when loop to be embedded is in fact embeddable */ |
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435 | void ev_embed_start (EV_P_ struct ev_embed *w); |
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436 | void ev_embed_stop (EV_P_ struct ev_embed *w); |
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437 | # endif |
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438 | |
415 | #endif |
439 | #endif |
416 | |
440 | |
417 | #ifdef __cplusplus |
441 | #ifdef __cplusplus |
418 | } |
442 | } |
419 | #endif |
443 | #endif |