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98 | #ifndef EV_IDLE_ENABLE |
98 | #ifndef EV_IDLE_ENABLE |
99 | # define EV_IDLE_ENABLE EV_FEATURE_WATCHERS |
99 | # define EV_IDLE_ENABLE EV_FEATURE_WATCHERS |
100 | #endif |
100 | #endif |
101 | |
101 | |
102 | #ifndef EV_FORK_ENABLE |
102 | #ifndef EV_FORK_ENABLE |
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103 | # define EV_FORK_ENABLE 0 /* not implemented */ |
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104 | #endif |
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105 | |
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106 | #ifndef EV_CLEANUP_ENABLE |
103 | # define EV_FORK_ENABLE EV_FEATURE_WATCHERS |
107 | # define EV_CLEANUP_ENABLE EV_FEATURE_WATCHERS |
104 | #endif |
108 | #endif |
105 | |
109 | |
106 | #ifndef EV_SIGNAL_ENABLE |
110 | #ifndef EV_SIGNAL_ENABLE |
107 | # define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS |
111 | # define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS |
108 | #endif |
112 | #endif |
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156 | struct ev_loop; |
160 | struct ev_loop; |
157 | # define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */ |
161 | # define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */ |
158 | # define EV_P_ EV_P, /* a loop as first of multiple parameters */ |
162 | # define EV_P_ EV_P, /* a loop as first of multiple parameters */ |
159 | # define EV_A loop /* a loop as sole argument to a function call */ |
163 | # define EV_A loop /* a loop as sole argument to a function call */ |
160 | # define EV_A_ EV_A, /* a loop as first of multiple arguments */ |
164 | # define EV_A_ EV_A, /* a loop as first of multiple arguments */ |
161 | # define EV_DEFAULT_UC ev_default_loop_uc () /* the default loop, if initialised, as sole arg */ |
165 | # define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */ |
162 | # define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */ |
166 | # define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */ |
163 | # define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */ |
167 | # define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */ |
164 | # define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */ |
168 | # define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */ |
165 | #else |
169 | #else |
166 | # define EV_P void |
170 | # define EV_P void |
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210 | EV_IDLE = 0x00002000, /* event loop is idling */ |
214 | EV_IDLE = 0x00002000, /* event loop is idling */ |
211 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
215 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
212 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
216 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
213 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
217 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
214 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
218 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
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219 | EV_CLEANUP = 0x00040000, /* event loop resumed in child */ |
215 | EV_ASYNC = 0x00040000, /* async intra-loop signal */ |
220 | EV_ASYNC = 0x00080000, /* async intra-loop signal */ |
216 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
221 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
217 | EV_ERROR = 0x80000000 /* sent when an error occurs */ |
222 | EV_ERROR = 0x80000000 /* sent when an error occurs */ |
218 | }; |
223 | }; |
219 | |
224 | |
220 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
225 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
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389 | EV_WATCHER (ev_check) |
394 | EV_WATCHER (ev_check) |
390 | } ev_check; |
395 | } ev_check; |
391 | |
396 | |
392 | #if EV_FORK_ENABLE |
397 | #if EV_FORK_ENABLE |
393 | /* the callback gets invoked before check in the child process when a fork was detected */ |
398 | /* the callback gets invoked before check in the child process when a fork was detected */ |
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399 | /* revent EV_FORK */ |
394 | typedef struct ev_fork |
400 | typedef struct ev_fork |
395 | { |
401 | { |
396 | EV_WATCHER (ev_fork) |
402 | EV_WATCHER (ev_fork) |
397 | } ev_fork; |
403 | } ev_fork; |
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404 | #endif |
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405 | |
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406 | #if EV_CLEANUP_ENABLE |
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407 | /* is invoked just before the loop gets destroyed */ |
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408 | /* revent EV_CLEANUP */ |
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409 | typedef struct ev_cleanup |
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410 | { |
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411 | EV_WATCHER (ev_cleanup) |
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412 | } ev_cleanup; |
398 | #endif |
413 | #endif |
399 | |
414 | |
400 | #if EV_EMBED_ENABLE |
415 | #if EV_EMBED_ENABLE |
401 | /* used to embed an event loop inside another */ |
416 | /* used to embed an event loop inside another */ |
402 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
417 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
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410 | ev_check check; /* unused */ |
425 | ev_check check; /* unused */ |
411 | ev_timer timer; /* unused */ |
426 | ev_timer timer; /* unused */ |
412 | ev_periodic periodic; /* unused */ |
427 | ev_periodic periodic; /* unused */ |
413 | ev_idle idle; /* unused */ |
428 | ev_idle idle; /* unused */ |
414 | ev_fork fork; /* private */ |
429 | ev_fork fork; /* private */ |
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430 | ev_cleanup cleanup; /* unused */ |
415 | } ev_embed; |
431 | } ev_embed; |
416 | #endif |
432 | #endif |
417 | |
433 | |
418 | #if EV_ASYNC_ENABLE |
434 | #if EV_ASYNC_ENABLE |
419 | /* invoked when somebody calls ev_async_send on the watcher */ |
435 | /* invoked when somebody calls ev_async_send on the watcher */ |
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447 | #endif |
463 | #endif |
448 | struct ev_prepare prepare; |
464 | struct ev_prepare prepare; |
449 | struct ev_check check; |
465 | struct ev_check check; |
450 | #if EV_FORK_ENABLE |
466 | #if EV_FORK_ENABLE |
451 | struct ev_fork fork; |
467 | struct ev_fork fork; |
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468 | #endif |
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469 | #if EV_CLEANUP_ENABLE |
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470 | struct ev_cleanup cleanup; |
452 | #endif |
471 | #endif |
453 | #if EV_EMBED_ENABLE |
472 | #if EV_EMBED_ENABLE |
454 | struct ev_embed embed; |
473 | struct ev_embed embed; |
455 | #endif |
474 | #endif |
456 | #if EV_ASYNC_ENABLE |
475 | #if EV_ASYNC_ENABLE |
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514 | /* the default loop is the only one that handles signals and child watchers */ |
533 | /* the default loop is the only one that handles signals and child watchers */ |
515 | /* you can call this as often as you like */ |
534 | /* you can call this as often as you like */ |
516 | struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)); |
535 | struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)); |
517 | |
536 | |
518 | EV_INLINE struct ev_loop * |
537 | EV_INLINE struct ev_loop * |
519 | ev_default_loop_uc (void) |
538 | ev_default_loop_uc_ (void) |
520 | { |
539 | { |
521 | extern struct ev_loop *ev_default_loop_ptr; |
540 | extern struct ev_loop *ev_default_loop_ptr; |
522 | |
541 | |
523 | return ev_default_loop_ptr; |
542 | return ev_default_loop_ptr; |
524 | } |
543 | } |
525 | |
544 | |
526 | EV_INLINE int |
545 | EV_INLINE int |
527 | ev_is_default_loop (EV_P) |
546 | ev_is_default_loop (EV_P) |
528 | { |
547 | { |
529 | return EV_A == ev_default_loop_uc (); |
548 | return EV_A == EV_DEFAULT_UC; |
530 | } |
549 | } |
531 | |
550 | |
532 | /* create and destroy alternative loops that don't handle signals */ |
551 | /* create and destroy alternative loops that don't handle signals */ |
533 | struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)); |
552 | struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)); |
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553 | /* destroy event loops, also works for the default loop */ |
534 | void ev_loop_destroy (EV_P); |
554 | void ev_loop_destroy (EV_P); |
535 | void ev_loop_fork (EV_P); |
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536 | |
555 | |
537 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
556 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
538 | |
557 | |
539 | #else |
558 | #else |
540 | |
559 | |
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555 | return 1; |
574 | return 1; |
556 | } |
575 | } |
557 | |
576 | |
558 | #endif /* multiplicity */ |
577 | #endif /* multiplicity */ |
559 | |
578 | |
560 | void ev_default_destroy (void); /* destroy the default loop */ |
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561 | /* this needs to be called after fork, to duplicate the default loop */ |
579 | /* this needs to be called after fork, to duplicate the loop */ |
562 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
580 | /* when you want to re-use it in the child */ |
563 | /* you can call it in either the parent or the child */ |
581 | /* you can call it in either the parent or the child */ |
564 | /* you can actually call it at any time, anywhere :) */ |
582 | /* you can actually call it at any time, anywhere :) */ |
565 | void ev_default_fork (void); |
583 | void ev_loop_fork (EV_P); |
566 | |
584 | |
567 | unsigned int ev_backend (EV_P); /* backend in use by loop */ |
585 | unsigned int ev_backend (EV_P); /* backend in use by loop */ |
568 | |
586 | |
569 | void ev_now_update (EV_P); /* update event loop time */ |
587 | void ev_now_update (EV_P); /* update event loop time */ |
570 | |
588 | |
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652 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
670 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
653 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
671 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
654 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
672 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
655 | #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
673 | #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
656 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
674 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
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675 | #define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */ |
657 | #define ev_async_set(ev) /* nop, yes, this is a serious in-joke */ |
676 | #define ev_async_set(ev) /* nop, yes, this is a serious in-joke */ |
658 | |
677 | |
659 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
678 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
660 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
679 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
661 | #define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0) |
680 | #define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0) |
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665 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
684 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
666 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
685 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
667 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
686 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
668 | #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) |
687 | #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) |
669 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
688 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
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689 | #define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0) |
670 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
690 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
671 | |
691 | |
672 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
692 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
673 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
693 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
674 | |
694 | |
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752 | #endif |
772 | #endif |
753 | |
773 | |
754 | # if EV_FORK_ENABLE |
774 | # if EV_FORK_ENABLE |
755 | void ev_fork_start (EV_P_ ev_fork *w); |
775 | void ev_fork_start (EV_P_ ev_fork *w); |
756 | void ev_fork_stop (EV_P_ ev_fork *w); |
776 | void ev_fork_stop (EV_P_ ev_fork *w); |
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777 | # endif |
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778 | |
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779 | # if EV_CLEANUP_ENABLE |
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780 | void ev_cleanup_start (EV_P_ ev_cleanup *w); |
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781 | void ev_cleanup_stop (EV_P_ ev_cleanup *w); |
757 | # endif |
782 | # endif |
758 | |
783 | |
759 | # if EV_EMBED_ENABLE |
784 | # if EV_EMBED_ENABLE |
760 | /* only supported when loop to be embedded is in fact embeddable */ |
785 | /* only supported when loop to be embedded is in fact embeddable */ |
761 | void ev_embed_start (EV_P_ ev_embed *w); |
786 | void ev_embed_start (EV_P_ ev_embed *w); |
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776 | #define EVUNLOOP_ONE EVBREAK_ONE |
801 | #define EVUNLOOP_ONE EVBREAK_ONE |
777 | #define EVUNLOOP_ALL EVBREAK_ALL |
802 | #define EVUNLOOP_ALL EVBREAK_ALL |
778 | #if EV_PROTOTYPES |
803 | #if EV_PROTOTYPES |
779 | EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); } |
804 | EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); } |
780 | EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); } |
805 | EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); } |
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806 | EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); } |
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807 | EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); } |
781 | #if EV_FEATURE_API |
808 | #if EV_FEATURE_API |
782 | EV_INLINE void ev_loop_count (EV_P) { ev_iteration (EV_A); } |
809 | EV_INLINE void ev_loop_count (EV_P) { ev_iteration (EV_A); } |
783 | EV_INLINE void ev_loop_depth (EV_P) { ev_depth (EV_A); } |
810 | EV_INLINE void ev_loop_depth (EV_P) { ev_depth (EV_A); } |
784 | EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); } |
811 | EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); } |
785 | #endif |
812 | #endif |