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98 | struct ev_loop; |
98 | struct ev_loop; |
99 | # define EV_P struct ev_loop *loop |
99 | # define EV_P struct ev_loop *loop |
100 | # define EV_P_ EV_P, |
100 | # define EV_P_ EV_P, |
101 | # define EV_A loop |
101 | # define EV_A loop |
102 | # define EV_A_ EV_A, |
102 | # define EV_A_ EV_A, |
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103 | # define EV_DEFAULT_UC ev_default_loop_uc () |
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104 | # define EV_DEFAULT_UC_ EV_DEFAULT_UC, |
103 | # define EV_DEFAULT ev_default_loop (0) |
105 | # define EV_DEFAULT ev_default_loop (0) |
104 | # define EV_DEFAULT_ EV_DEFAULT, |
106 | # define EV_DEFAULT_ EV_DEFAULT, |
105 | #else |
107 | #else |
106 | # define EV_P void |
108 | # define EV_P void |
107 | # define EV_P_ |
109 | # define EV_P_ |
108 | # define EV_A |
110 | # define EV_A |
109 | # define EV_A_ |
111 | # define EV_A_ |
110 | # define EV_DEFAULT |
112 | # define EV_DEFAULT |
111 | # define EV_DEFAULT_ |
113 | # define EV_DEFAULT_ |
112 | |
114 | # define EV_DEFAULT_UC |
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115 | # define EV_DEFAULT_UC_ |
113 | # undef EV_EMBED_ENABLE |
116 | # undef EV_EMBED_ENABLE |
114 | #endif |
117 | #endif |
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118 | |
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119 | #if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 |
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120 | # define EV_INLINE static inline |
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121 | #else |
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122 | # define EV_INLINE static |
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123 | #endif |
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124 | |
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125 | /*****************************************************************************/ |
115 | |
126 | |
116 | /* eventmask, revents, events... */ |
127 | /* eventmask, revents, events... */ |
117 | #define EV_UNDEF -1L /* guaranteed to be invalid */ |
128 | #define EV_UNDEF -1L /* guaranteed to be invalid */ |
118 | #define EV_NONE 0x00L /* no events */ |
129 | #define EV_NONE 0x00L /* no events */ |
119 | #define EV_READ 0x01L /* ev_io detected read will not block */ |
130 | #define EV_READ 0x01L /* ev_io detected read will not block */ |
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324 | { |
335 | { |
325 | EV_WATCHER (ev_async) |
336 | EV_WATCHER (ev_async) |
326 | |
337 | |
327 | EV_ATOMIC_T sent; /* private */ |
338 | EV_ATOMIC_T sent; /* private */ |
328 | } ev_async; |
339 | } ev_async; |
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340 | |
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341 | # define ev_async_pending(w) (((w)->sent + 0) |
329 | #endif |
342 | #endif |
330 | |
343 | |
331 | /* the presence of this union forces similar struct layout */ |
344 | /* the presence of this union forces similar struct layout */ |
332 | union ev_any_watcher |
345 | union ev_any_watcher |
333 | { |
346 | { |
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396 | * (such as failed select, poll, epoll_wait) |
409 | * (such as failed select, poll, epoll_wait) |
397 | */ |
410 | */ |
398 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
411 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
399 | |
412 | |
400 | # if EV_MULTIPLICITY |
413 | # if EV_MULTIPLICITY |
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414 | EV_INLINE struct ev_loop * |
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415 | ev_default_loop_uc (void) |
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416 | { |
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417 | extern struct ev_loop *ev_default_loop_ptr; |
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418 | |
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419 | return ev_default_loop_ptr; |
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420 | } |
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421 | |
401 | /* the default loop is the only one that handles signals and child watchers */ |
422 | /* the default loop is the only one that handles signals and child watchers */ |
402 | /* you can call this as often as you like */ |
423 | /* you can call this as often as you like */ |
403 | static struct ev_loop * |
424 | EV_INLINE struct ev_loop * |
404 | ev_default_loop (unsigned int flags) |
425 | ev_default_loop (unsigned int flags) |
405 | { |
426 | { |
406 | extern struct ev_loop *ev_default_loop_ptr; |
427 | struct ev_loop *loop = ev_default_loop_uc (); |
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428 | |
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429 | if (!loop) |
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430 | { |
407 | extern struct ev_loop *ev_default_loop_init (unsigned int flags); |
431 | extern struct ev_loop *ev_default_loop_init (unsigned int flags); |
408 | |
432 | |
409 | if (!ev_default_loop_ptr) |
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410 | ev_default_loop_init (flags); |
433 | loop = ev_default_loop_init (flags); |
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434 | } |
411 | |
435 | |
412 | return ev_default_loop_ptr; |
436 | return loop; |
413 | } |
437 | } |
414 | |
438 | |
415 | /* create and destroy alternative loops that don't handle signals */ |
439 | /* create and destroy alternative loops that don't handle signals */ |
416 | struct ev_loop *ev_loop_new (unsigned int flags); |
440 | struct ev_loop *ev_loop_new (unsigned int flags); |
417 | void ev_loop_destroy (EV_P); |
441 | void ev_loop_destroy (EV_P); |
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421 | |
445 | |
422 | # else |
446 | # else |
423 | |
447 | |
424 | int ev_default_loop (unsigned int flags); /* returns true when successful */ |
448 | int ev_default_loop (unsigned int flags); /* returns true when successful */ |
425 | |
449 | |
426 | static ev_tstamp |
450 | EV_INLINE ev_tstamp |
427 | ev_now (void) |
451 | ev_now (void) |
428 | { |
452 | { |
429 | extern ev_tstamp ev_rt_now; |
453 | extern ev_tstamp ev_rt_now; |
430 | |
454 | |
431 | return ev_rt_now; |
455 | return ev_rt_now; |
432 | } |
456 | } |
433 | # endif |
457 | # endif |
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458 | |
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459 | EV_INLINE int |
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460 | ev_is_default_loop (EV_P) |
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461 | { |
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462 | #if EV_MULTIPLICITY |
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463 | extern struct ev_loop *ev_default_loop_ptr; |
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464 | |
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465 | return !!(EV_A == ev_default_loop_ptr); |
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466 | #else |
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467 | return 1; |
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468 | #endif |
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469 | } |
434 | |
470 | |
435 | void ev_default_destroy (void); /* destroy the default loop */ |
471 | void ev_default_destroy (void); /* destroy the default loop */ |
436 | /* this needs to be called after fork, to duplicate the default loop */ |
472 | /* this needs to be called after fork, to duplicate the default loop */ |
437 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
473 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
438 | /* you can call it in either the parent or the child */ |
474 | /* you can call it in either the parent or the child */ |
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487 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
523 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
488 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
524 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
489 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
525 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
490 | #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
526 | #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
491 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
527 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
492 | #define ev_async_set(ev) do { (ev)->gotasync = 0; } while (0) |
528 | #define ev_async_set(ev) do { (ev)->sent = 0; } while (0) |
493 | |
529 | |
494 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
530 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
495 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
531 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
496 | #define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) |
532 | #define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) |
497 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
533 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |