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54 | |
54 | |
55 | #ifndef EV_STAT_ENABLE |
55 | #ifndef EV_STAT_ENABLE |
56 | # define EV_STAT_ENABLE 1 |
56 | # define EV_STAT_ENABLE 1 |
57 | #endif |
57 | #endif |
58 | |
58 | |
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59 | #ifndef EV_IDLE_ENABLE |
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60 | # define EV_IDLE_ENABLE 1 |
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61 | #endif |
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62 | |
59 | #ifndef EV_FORK_ENABLE |
63 | #ifndef EV_FORK_ENABLE |
60 | # define EV_FORK_ENABLE 1 |
64 | # define EV_FORK_ENABLE 1 |
61 | #endif |
65 | #endif |
62 | |
66 | |
63 | #ifndef EV_EMBED_ENABLE |
67 | #ifndef EV_EMBED_ENABLE |
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93 | /* eventmask, revents, events... */ |
97 | /* eventmask, revents, events... */ |
94 | #define EV_UNDEF -1L /* guaranteed to be invalid */ |
98 | #define EV_UNDEF -1L /* guaranteed to be invalid */ |
95 | #define EV_NONE 0x00L /* no events */ |
99 | #define EV_NONE 0x00L /* no events */ |
96 | #define EV_READ 0x01L /* ev_io detected read will not block */ |
100 | #define EV_READ 0x01L /* ev_io detected read will not block */ |
97 | #define EV_WRITE 0x02L /* ev_io detected write will not block */ |
101 | #define EV_WRITE 0x02L /* ev_io detected write will not block */ |
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102 | #define EV_IOFDSET 0x80L /* internal use only */ |
98 | #define EV_TIMEOUT 0x00000100L /* timer timed out */ |
103 | #define EV_TIMEOUT 0x00000100L /* timer timed out */ |
99 | #define EV_PERIODIC 0x00000200L /* periodic timer timed out */ |
104 | #define EV_PERIODIC 0x00000200L /* periodic timer timed out */ |
100 | #define EV_SIGNAL 0x00000400L /* signal was received */ |
105 | #define EV_SIGNAL 0x00000400L /* signal was received */ |
101 | #define EV_CHILD 0x00000800L /* child/pid had status change */ |
106 | #define EV_CHILD 0x00000800L /* child/pid had status change */ |
102 | #define EV_STAT 0x00001000L /* stat data changed */ |
107 | #define EV_STAT 0x00001000L /* stat data changed */ |
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113 | #endif |
118 | #endif |
114 | #ifndef EV_PROTOTYPES |
119 | #ifndef EV_PROTOTYPES |
115 | # define EV_PROTOTYPES 1 |
120 | # define EV_PROTOTYPES 1 |
116 | #endif |
121 | #endif |
117 | |
122 | |
118 | #define EV_VERSION_MAJOR 1 |
123 | #define EV_VERSION_MAJOR 2 |
119 | #define EV_VERSION_MINOR 1 |
124 | #define EV_VERSION_MINOR 0 |
120 | |
125 | |
121 | #ifndef EV_CB_DECLARE |
126 | #ifndef EV_CB_DECLARE |
122 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
127 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
123 | #endif |
128 | #endif |
124 | #ifndef EV_CB_INVOKE |
129 | #ifndef EV_CB_INVOKE |
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189 | /* revent EV_PERIODIC */ |
194 | /* revent EV_PERIODIC */ |
190 | typedef struct ev_periodic |
195 | typedef struct ev_periodic |
191 | { |
196 | { |
192 | EV_WATCHER_TIME (ev_periodic) |
197 | EV_WATCHER_TIME (ev_periodic) |
193 | |
198 | |
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199 | ev_tstamp offset; /* rw */ |
194 | ev_tstamp interval; /* rw */ |
200 | ev_tstamp interval; /* rw */ |
195 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
201 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
196 | } ev_periodic; |
202 | } ev_periodic; |
197 | |
203 | |
198 | /* invoked when the given signal has been received */ |
204 | /* invoked when the given signal has been received */ |
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238 | |
244 | |
239 | int wd; /* wd for inotify, fd for kqueue */ |
245 | int wd; /* wd for inotify, fd for kqueue */ |
240 | } ev_stat; |
246 | } ev_stat; |
241 | #endif |
247 | #endif |
242 | |
248 | |
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249 | #if EV_IDLE_ENABLE |
243 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
250 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
244 | /* revent EV_IDLE */ |
251 | /* revent EV_IDLE */ |
245 | typedef struct ev_idle |
252 | typedef struct ev_idle |
246 | { |
253 | { |
247 | EV_WATCHER (ev_idle) |
254 | EV_WATCHER (ev_idle) |
248 | } ev_idle; |
255 | } ev_idle; |
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256 | #endif |
249 | |
257 | |
250 | /* invoked for each run of the mainloop, just before the blocking call */ |
258 | /* invoked for each run of the mainloop, just before the blocking call */ |
251 | /* you can still change events in any way you like */ |
259 | /* you can still change events in any way you like */ |
252 | /* revent EV_PREPARE */ |
260 | /* revent EV_PREPARE */ |
253 | typedef struct ev_prepare |
261 | typedef struct ev_prepare |
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294 | struct ev_signal signal; |
302 | struct ev_signal signal; |
295 | struct ev_child child; |
303 | struct ev_child child; |
296 | #if EV_STAT_ENABLE |
304 | #if EV_STAT_ENABLE |
297 | struct ev_stat stat; |
305 | struct ev_stat stat; |
298 | #endif |
306 | #endif |
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307 | #if EV_IDLE_ENABLE |
299 | struct ev_idle idle; |
308 | struct ev_idle idle; |
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309 | #endif |
300 | struct ev_prepare prepare; |
310 | struct ev_prepare prepare; |
301 | struct ev_check check; |
311 | struct ev_check check; |
302 | #if EV_FORK_ENABLE |
312 | #if EV_FORK_ENABLE |
303 | struct ev_fork fork; |
313 | struct ev_fork fork; |
304 | #endif |
314 | #endif |
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310 | /* bits for ev_default_loop and ev_loop_new */ |
320 | /* bits for ev_default_loop and ev_loop_new */ |
311 | /* the default */ |
321 | /* the default */ |
312 | #define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ |
322 | #define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ |
313 | /* flag bits */ |
323 | /* flag bits */ |
314 | #define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ |
324 | #define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ |
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325 | #define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */ |
315 | /* method bits to be ored together */ |
326 | /* method bits to be ored together */ |
316 | #define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ |
327 | #define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ |
317 | #define EVBACKEND_POLL 0x00000002UL /* !win */ |
328 | #define EVBACKEND_POLL 0x00000002UL /* !win */ |
318 | #define EVBACKEND_EPOLL 0x00000004UL /* linux */ |
329 | #define EVBACKEND_EPOLL 0x00000004UL /* linux */ |
319 | #define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ |
330 | #define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ |
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385 | /* you can call it in either the parent or the child */ |
396 | /* you can call it in either the parent or the child */ |
386 | /* you can actually call it at any time, anywhere :) */ |
397 | /* you can actually call it at any time, anywhere :) */ |
387 | void ev_default_fork (void); |
398 | void ev_default_fork (void); |
388 | |
399 | |
389 | unsigned int ev_backend (EV_P); |
400 | unsigned int ev_backend (EV_P); |
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401 | unsigned int ev_loop_count (EV_P); |
390 | #endif |
402 | #endif |
391 | |
403 | |
392 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
404 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
393 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
405 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
394 | #define EVUNLOOP_CANCEL 0 /* undo unloop */ |
406 | #define EVUNLOOP_CANCEL 0 /* undo unloop */ |
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412 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
424 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
413 | #endif |
425 | #endif |
414 | |
426 | |
415 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
427 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
416 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
428 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
417 | #define ev_init(ev,cb_) do { \ |
429 | #define ev_init(ev,cb_) do { \ |
418 | ((ev_watcher *)(void *)(ev))->active = \ |
430 | ((ev_watcher *)(void *)(ev))->active = \ |
419 | ((ev_watcher *)(void *)(ev))->pending = \ |
431 | ((ev_watcher *)(void *)(ev))->pending = \ |
420 | ((ev_watcher *)(void *)(ev))->priority = 0; \ |
432 | ((ev_watcher *)(void *)(ev))->priority = 0; \ |
421 | ev_set_cb ((ev), cb_); \ |
433 | ev_set_cb ((ev), cb_); \ |
422 | } while (0) |
434 | } while (0) |
423 | |
435 | |
424 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
436 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0) |
425 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
437 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
426 | #define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) |
438 | #define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) |
427 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
439 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
428 | #define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
440 | #define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
429 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
441 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
430 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
442 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
431 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
443 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
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446 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
458 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
447 | |
459 | |
448 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
460 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
449 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
461 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
450 | |
462 | |
451 | #define ev_priority(ev) ((ev_watcher *)(void *)(ev))->priority /* rw */ |
463 | #define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0) |
452 | #define ev_cb(ev) (ev)->cb /* rw */ |
464 | #define ev_cb(ev) (ev)->cb /* rw */ |
453 | #define ev_set_priority(ev,pri) ev_priority (ev) = (pri) |
465 | #define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri) |
454 | |
466 | |
455 | #ifndef ev_set_cb |
467 | #ifndef ev_set_cb |
456 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
468 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
457 | #endif |
469 | #endif |
458 | |
470 | |
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463 | /* feeds an event into a watcher as if the event actually occured */ |
475 | /* feeds an event into a watcher as if the event actually occured */ |
464 | /* accepts any ev_watcher type */ |
476 | /* accepts any ev_watcher type */ |
465 | void ev_feed_event (EV_P_ void *w, int revents); |
477 | void ev_feed_event (EV_P_ void *w, int revents); |
466 | void ev_feed_fd_event (EV_P_ int fd, int revents); |
478 | void ev_feed_fd_event (EV_P_ int fd, int revents); |
467 | void ev_feed_signal_event (EV_P_ int signum); |
479 | void ev_feed_signal_event (EV_P_ int signum); |
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480 | void ev_invoke (EV_P_ void *w, int revents); |
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481 | int ev_clear_pending (EV_P_ void *w); |
468 | |
482 | |
469 | void ev_io_start (EV_P_ ev_io *w); |
483 | void ev_io_start (EV_P_ ev_io *w); |
470 | void ev_io_stop (EV_P_ ev_io *w); |
484 | void ev_io_stop (EV_P_ ev_io *w); |
471 | |
485 | |
472 | void ev_timer_start (EV_P_ ev_timer *w); |
486 | void ev_timer_start (EV_P_ ev_timer *w); |
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492 | void ev_stat_start (EV_P_ ev_stat *w); |
506 | void ev_stat_start (EV_P_ ev_stat *w); |
493 | void ev_stat_stop (EV_P_ ev_stat *w); |
507 | void ev_stat_stop (EV_P_ ev_stat *w); |
494 | void ev_stat_stat (EV_P_ ev_stat *w); |
508 | void ev_stat_stat (EV_P_ ev_stat *w); |
495 | # endif |
509 | # endif |
496 | |
510 | |
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511 | # if EV_IDLE_ENABLE |
497 | void ev_idle_start (EV_P_ ev_idle *w); |
512 | void ev_idle_start (EV_P_ ev_idle *w); |
498 | void ev_idle_stop (EV_P_ ev_idle *w); |
513 | void ev_idle_stop (EV_P_ ev_idle *w); |
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514 | # endif |
499 | |
515 | |
500 | void ev_prepare_start (EV_P_ ev_prepare *w); |
516 | void ev_prepare_start (EV_P_ ev_prepare *w); |
501 | void ev_prepare_stop (EV_P_ ev_prepare *w); |
517 | void ev_prepare_stop (EV_P_ ev_prepare *w); |
502 | |
518 | |
503 | void ev_check_start (EV_P_ ev_check *w); |
519 | void ev_check_start (EV_P_ ev_check *w); |