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80 | |
80 | |
81 | #ifndef EV_ASYNC_ENABLE |
81 | #ifndef EV_ASYNC_ENABLE |
82 | # define EV_ASYNC_ENABLE 1 |
82 | # define EV_ASYNC_ENABLE 1 |
83 | #endif |
83 | #endif |
84 | |
84 | |
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85 | #ifndef EV_WALK_ENABLE |
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86 | # define EV_WALK_ENABLE 0 /* not yet */ |
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87 | #endif |
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88 | |
85 | #ifndef EV_ATOMIC_T |
89 | #ifndef EV_ATOMIC_T |
86 | # include <signal.h> |
90 | # include <signal.h> |
87 | # define EV_ATOMIC_T sig_atomic_t volatile |
91 | # define EV_ATOMIC_T sig_atomic_t volatile |
88 | #endif |
92 | #endif |
89 | |
93 | |
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145 | #define EV_PREPARE 0x00004000 /* event loop about to poll */ |
149 | #define EV_PREPARE 0x00004000 /* event loop about to poll */ |
146 | #define EV_CHECK 0x00008000 /* event loop finished poll */ |
150 | #define EV_CHECK 0x00008000 /* event loop finished poll */ |
147 | #define EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
151 | #define EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
148 | #define EV_FORK 0x00020000 /* event loop resumed in child */ |
152 | #define EV_FORK 0x00020000 /* event loop resumed in child */ |
149 | #define EV_ASYNC 0x00040000 /* async intra-loop signal */ |
153 | #define EV_ASYNC 0x00040000 /* async intra-loop signal */ |
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154 | #define EV_CUSTOM 0x01000000 /* for use by user code */ |
150 | #define EV_ERROR 0x80000000 /* sent when an error occurs */ |
155 | #define EV_ERROR 0x80000000 /* sent when an error occurs */ |
151 | |
156 | |
152 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
157 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
153 | #ifndef EV_COMMON |
158 | #ifndef EV_COMMON |
154 | # define EV_COMMON void *data; |
159 | # define EV_COMMON void *data; |
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454 | |
459 | |
455 | /* create and destroy alternative loops that don't handle signals */ |
460 | /* create and destroy alternative loops that don't handle signals */ |
456 | struct ev_loop *ev_loop_new (unsigned int flags); |
461 | struct ev_loop *ev_loop_new (unsigned int flags); |
457 | void ev_loop_destroy (EV_P); |
462 | void ev_loop_destroy (EV_P); |
458 | void ev_loop_fork (EV_P); |
463 | void ev_loop_fork (EV_P); |
459 | void ev_loop_verify (EV_P); |
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460 | |
464 | |
461 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
465 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
462 | void ev_now_update (EV_P); |
466 | void ev_now_update (EV_P); |
463 | |
467 | |
464 | #else |
468 | #else |
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491 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
495 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
492 | /* you can call it in either the parent or the child */ |
496 | /* you can call it in either the parent or the child */ |
493 | /* you can actually call it at any time, anywhere :) */ |
497 | /* you can actually call it at any time, anywhere :) */ |
494 | void ev_default_fork (void); |
498 | void ev_default_fork (void); |
495 | |
499 | |
496 | #if 0 |
500 | unsigned int ev_backend (EV_P); /* backend in use by loop */ |
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501 | unsigned int ev_loop_count (EV_P); /* number of loop iterations */ |
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502 | unsigned int ev_loop_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */ |
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503 | void ev_loop_verify (EV_P); /* abort if loop data corrupted */ |
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504 | |
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505 | #if EV_WALK_ENABLE |
497 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
506 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
498 | /* callback on every such watcher. The callback might stop the watcher, */ |
507 | /* callback on every such watcher. The callback might stop the watcher, */ |
499 | /* but do nothing else with the loop */ |
508 | /* but do nothing else with the loop */ |
500 | void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)); |
509 | void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)); |
501 | #endif |
510 | #endif |
502 | |
511 | |
503 | unsigned int ev_backend (EV_P); /* backend in use by loop */ |
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504 | unsigned int ev_loop_count (EV_P); /* number of loop iterations */ |
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505 | #endif /* prototypes */ |
512 | #endif /* prototypes */ |
506 | |
513 | |
507 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
514 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
508 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
515 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
509 | #define EVUNLOOP_CANCEL 0 /* undo unloop */ |
516 | #define EVUNLOOP_CANCEL 0 /* undo unloop */ |
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523 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
530 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
524 | */ |
531 | */ |
525 | void ev_ref (EV_P); |
532 | void ev_ref (EV_P); |
526 | void ev_unref (EV_P); |
533 | void ev_unref (EV_P); |
527 | |
534 | |
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535 | /* |
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536 | * stop/start the timer handling. |
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537 | */ |
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538 | void ev_suspend (EV_P); |
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539 | void ev_resume (EV_P); |
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540 | |
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541 | /* |
528 | /* convenience function, wait for a single event, without registering an event watcher */ |
542 | * convenience function, wait for a single event, without registering an event watcher |
529 | /* if timeout is < 0, do wait indefinitely */ |
543 | * if timeout is < 0, do wait indefinitely |
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544 | */ |
530 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
545 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
531 | #endif |
546 | #endif |
532 | |
547 | |
533 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
548 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
534 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
549 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |