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69 | # define EV_DEFAULT_A |
69 | # define EV_DEFAULT_A |
70 | # define EV_DEFAULT_A_ |
70 | # define EV_DEFAULT_A_ |
71 | #endif |
71 | #endif |
72 | |
72 | |
73 | /* eventmask, revents, events... */ |
73 | /* eventmask, revents, events... */ |
74 | #define EV_UNDEF -1 /* guaranteed to be invalid */ |
74 | #define EV_UNDEF -1L /* guaranteed to be invalid */ |
75 | #define EV_NONE 0x00 |
75 | #define EV_NONE 0x00L |
76 | #define EV_READ 0x01 /* io only */ |
76 | #define EV_READ 0x01L /* io only */ |
77 | #define EV_WRITE 0x02 /* io only */ |
77 | #define EV_WRITE 0x02L /* io only */ |
78 | #define EV_TIMEOUT 0x000100 /* timer only */ |
78 | #define EV_TIMEOUT 0x000100L /* timer only */ |
79 | #define EV_PERIODIC 0x000200 /* periodic timer only */ |
79 | #define EV_PERIODIC 0x000200L /* periodic timer only */ |
80 | #define EV_SIGNAL 0x000400 /* signal only */ |
80 | #define EV_SIGNAL 0x000400L /* signal only */ |
81 | #define EV_IDLE 0x000800 /* idle only */ |
81 | #define EV_IDLE 0x000800L /* idle only */ |
82 | #define EV_CHECK 0x001000 /* check only */ |
82 | #define EV_CHECK 0x001000L /* check only */ |
83 | #define EV_PREPARE 0x002000 /* prepare only */ |
83 | #define EV_PREPARE 0x002000L /* prepare only */ |
84 | #define EV_CHILD 0x004000 /* 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 0x800000 /* 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; |
90 | #endif |
91 | #endif |
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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 0x00000000 /* not quite a mask */ |
250 | #define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ |
237 | |
251 | /* flag bits */ |
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252 | #define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ |
238 | /* method bits to be ored together */ |
253 | /* method bits to be ored together */ |
239 | #define EVMETHOD_SELECT 0x00000001 /* about anywhere */ |
254 | #define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ |
240 | #define EVMETHOD_POLL 0x00000002 /* !win */ |
255 | #define EVBACKEND_POLL 0x00000002UL /* !win */ |
241 | #define EVMETHOD_EPOLL 0x00000004 /* linux */ |
256 | #define EVBACKEND_EPOLL 0x00000004UL /* linux */ |
242 | #define EVMETHOD_KQUEUE 0x00000008 /* bsd */ |
257 | #define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ |
243 | #define EVMETHOD_DEVPOLL 0x00000010 /* solaris 8 */ /* NYI */ |
258 | #define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */ |
244 | #define EVMETHOD_PORT 0x00000020 /* solaris 10 */ /* NYI */ |
259 | #define EVBACKEND_PORT 0x00000020UL /* solaris 10 */ |
245 | |
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246 | /* flag bits */ |
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247 | #define EVFLAG_NOENV 0x01000000 /* do NOT consult environment */ |
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248 | |
260 | |
249 | #if EV_PROTOTYPES |
261 | #if EV_PROTOTYPES |
250 | int ev_version_major (void); |
262 | int ev_version_major (void); |
251 | int ev_version_minor (void); |
263 | int ev_version_minor (void); |
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264 | |
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265 | unsigned int ev_supported_backends (void); |
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266 | unsigned int ev_recommended_backends (void); |
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267 | unsigned int ev_embeddable_backends (void); |
252 | |
268 | |
253 | ev_tstamp ev_time (void); |
269 | ev_tstamp ev_time (void); |
254 | |
270 | |
255 | /* Sets the allocation function to use, works like realloc. |
271 | /* Sets the allocation function to use, works like realloc. |
256 | * It is used to allocate and free memory. |
272 | * It is used to allocate and free memory. |
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267 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
283 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
268 | |
284 | |
269 | # if EV_MULTIPLICITY |
285 | # if EV_MULTIPLICITY |
270 | /* the default loop is the only one that handles signals and child watchers */ |
286 | /* the default loop is the only one that handles signals and child watchers */ |
271 | /* you can call this as often as you like */ |
287 | /* you can call this as often as you like */ |
272 | struct ev_loop *ev_default_loop (unsigned int flags); /* returns default loop */ |
288 | static struct ev_loop * |
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289 | ev_default_loop (unsigned int flags) |
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290 | { |
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291 | extern struct ev_loop *ev_default_loop_ptr; |
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292 | extern struct ev_loop *ev_default_loop_init (unsigned int flags); |
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293 | |
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294 | if (!ev_default_loop_ptr) |
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295 | ev_default_loop_init (flags); |
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296 | |
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297 | return ev_default_loop_ptr; |
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298 | } |
273 | |
299 | |
274 | /* create and destroy alternative loops that don't handle signals */ |
300 | /* create and destroy alternative loops that don't handle signals */ |
275 | struct ev_loop *ev_loop_new (unsigned int flags); |
301 | struct ev_loop *ev_loop_new (unsigned int flags); |
276 | void ev_loop_destroy (EV_P); |
302 | void ev_loop_destroy (EV_P); |
277 | void ev_loop_fork (EV_P); |
303 | void ev_loop_fork (EV_P); |
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296 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
322 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
297 | /* you can call it in either the parent or the child */ |
323 | /* you can call it in either the parent or the child */ |
298 | /* you can actually call it at any time, anywhere :) */ |
324 | /* you can actually call it at any time, anywhere :) */ |
299 | void ev_default_fork (void); |
325 | void ev_default_fork (void); |
300 | |
326 | |
301 | unsigned int ev_method (EV_P); |
327 | unsigned int ev_backend (EV_P); |
302 | #endif |
328 | #endif |
303 | |
329 | |
304 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
330 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
305 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
331 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
306 | #define EVUNLOOP_ONE 1 /* unloop once */ |
332 | #define EVUNLOOP_ONE 1 /* unloop once */ |
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338 | #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) |
339 | #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 */ |
340 | #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 */ |
341 | #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 */ |
342 | #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) |
343 | |
370 | |
344 | #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) |
345 | #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) |
346 | #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) |
347 | #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) |
348 | #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) |
349 | #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) |
350 | #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) |
351 | #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) |
352 | |
380 | |
353 | #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 */ |
354 | #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 */ |
355 | |
383 | |
356 | #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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399 | void ev_signal_stop (EV_P_ struct ev_signal *w); |
427 | void ev_signal_stop (EV_P_ struct ev_signal *w); |
400 | |
428 | |
401 | /* only supported in the default loop */ |
429 | /* only supported in the default loop */ |
402 | void ev_child_start (EV_P_ struct ev_child *w); |
430 | void ev_child_start (EV_P_ struct ev_child *w); |
403 | 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 | |
404 | #endif |
439 | #endif |
405 | |
440 | |
406 | #ifdef __cplusplus |
441 | #ifdef __cplusplus |
407 | } |
442 | } |
408 | #endif |
443 | #endif |