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187 | * or simply 1 for watchers that aren't in some array. |
187 | * or simply 1 for watchers that aren't in some array. |
188 | * pending is either 0, in which case the watcher isn't, |
188 | * pending is either 0, in which case the watcher isn't, |
189 | * or the array index + 1 in the pendings array. |
189 | * or the array index + 1 in the pendings array. |
190 | */ |
190 | */ |
191 | |
191 | |
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192 | #if EV_MINPRI == EV_MAXPRI |
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193 | # define EV_DECL_PRIORITY |
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194 | #else |
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195 | # define EV_DECL_PRIORITY int priority; |
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196 | #endif |
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197 | |
192 | /* shared by all watchers */ |
198 | /* shared by all watchers */ |
193 | #define EV_WATCHER(type) \ |
199 | #define EV_WATCHER(type) \ |
194 | int active; /* private */ \ |
200 | int active; /* private */ \ |
195 | int pending; /* private */ \ |
201 | int pending; /* private */ \ |
196 | int priority; /* private */ \ |
202 | EV_DECL_PRIORITY /* private */ \ |
197 | EV_COMMON /* rw */ \ |
203 | EV_COMMON /* rw */ \ |
198 | EV_CB_DECLARE (type) /* private */ |
204 | EV_CB_DECLARE (type) /* private */ |
199 | |
205 | |
200 | #define EV_WATCHER_LIST(type) \ |
206 | #define EV_WATCHER_LIST(type) \ |
201 | EV_WATCHER (type) \ |
207 | EV_WATCHER (type) \ |
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461 | struct ev_loop *ev_loop_new (unsigned int flags); |
467 | struct ev_loop *ev_loop_new (unsigned int flags); |
462 | void ev_loop_destroy (EV_P); |
468 | void ev_loop_destroy (EV_P); |
463 | void ev_loop_fork (EV_P); |
469 | void ev_loop_fork (EV_P); |
464 | |
470 | |
465 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
471 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
466 | void ev_now_update (EV_P); |
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467 | |
472 | |
468 | #else |
473 | #else |
469 | |
474 | |
470 | int ev_default_loop (unsigned int flags); /* returns true when successful */ |
475 | int ev_default_loop (unsigned int flags); /* returns true when successful */ |
471 | |
476 | |
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495 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
500 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
496 | /* you can call it in either the parent or the child */ |
501 | /* you can call it in either the parent or the child */ |
497 | /* you can actually call it at any time, anywhere :) */ |
502 | /* you can actually call it at any time, anywhere :) */ |
498 | void ev_default_fork (void); |
503 | void ev_default_fork (void); |
499 | |
504 | |
500 | unsigned int ev_backend (EV_P); /* backend in use by loop */ |
505 | unsigned int ev_backend (EV_P); /* backend in use by loop */ |
501 | unsigned int ev_loop_count (EV_P); /* number of loop iterations */ |
506 | |
502 | unsigned int ev_loop_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */ |
507 | void ev_now_update (EV_P); /* update event loop time */ |
503 | void ev_loop_verify (EV_P); /* abort if loop data corrupted */ |
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504 | |
508 | |
505 | #if EV_WALK_ENABLE |
509 | #if EV_WALK_ENABLE |
506 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
510 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
507 | /* callback on every such watcher. The callback might stop the watcher, */ |
511 | /* callback on every such watcher. The callback might stop the watcher, */ |
508 | /* but do nothing else with the loop */ |
512 | /* but do nothing else with the loop */ |
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519 | |
523 | |
520 | #if EV_PROTOTYPES |
524 | #if EV_PROTOTYPES |
521 | void ev_loop (EV_P_ int flags); |
525 | void ev_loop (EV_P_ int flags); |
522 | void ev_unloop (EV_P_ int how); /* set to 1 to break out of event loop, set to 2 to break out of all event loops */ |
526 | void ev_unloop (EV_P_ int how); /* set to 1 to break out of event loop, set to 2 to break out of all event loops */ |
523 | |
527 | |
524 | void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
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525 | void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
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526 | |
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527 | /* |
528 | /* |
528 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
529 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
529 | * keeps one reference. if you have a long-runing watcher you never unregister that |
530 | * keeps one reference. if you have a long-running watcher you never unregister that |
530 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
531 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
531 | */ |
532 | */ |
532 | void ev_ref (EV_P); |
533 | void ev_ref (EV_P); |
533 | void ev_unref (EV_P); |
534 | void ev_unref (EV_P); |
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535 | |
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536 | /* |
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537 | * convenience function, wait for a single event, without registering an event watcher |
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538 | * if timeout is < 0, do wait indefinitely |
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539 | */ |
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540 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
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541 | |
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542 | # if EV_MINIMAL < 2 |
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543 | unsigned int ev_loop_count (EV_P); /* number of loop iterations */ |
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544 | unsigned int ev_loop_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */ |
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545 | void ev_loop_verify (EV_P); /* abort if loop data corrupted */ |
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546 | |
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547 | void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
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548 | void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
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549 | |
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550 | /* advanced stuff for threading etc. support, see docs */ |
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551 | void ev_set_userdata (EV_P_ void *data); |
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552 | void *ev_userdata (EV_P); |
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553 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)); |
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554 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)); |
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555 | |
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556 | void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
534 | |
557 | |
535 | /* |
558 | /* |
536 | * stop/start the timer handling. |
559 | * stop/start the timer handling. |
537 | */ |
560 | */ |
538 | void ev_suspend (EV_P); |
561 | void ev_suspend (EV_P); |
539 | void ev_resume (EV_P); |
562 | void ev_resume (EV_P); |
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563 | #endif |
540 | |
564 | |
541 | /* |
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542 | * convenience function, wait for a single event, without registering an event watcher |
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543 | * if timeout is < 0, do wait indefinitely |
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544 | */ |
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545 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
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546 | #endif |
565 | #endif |
547 | |
566 | |
548 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
567 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
549 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
568 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
550 | #define ev_init(ev,cb_) do { \ |
569 | #define ev_init(ev,cb_) do { \ |
551 | ((ev_watcher *)(void *)(ev))->active = \ |
570 | ((ev_watcher *)(void *)(ev))->active = \ |
552 | ((ev_watcher *)(void *)(ev))->pending = \ |
571 | ((ev_watcher *)(void *)(ev))->pending = 0; \ |
553 | ((ev_watcher *)(void *)(ev))->priority = 0; \ |
572 | ev_set_priority ((ev), 0); \ |
554 | ev_set_cb ((ev), cb_); \ |
573 | ev_set_cb ((ev), cb_); \ |
555 | } while (0) |
574 | } while (0) |
556 | |
575 | |
557 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0) |
576 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0) |
558 | #define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) |
577 | #define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) |
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581 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
600 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
582 | |
601 | |
583 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
602 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
584 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
603 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
585 | |
604 | |
586 | #define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0) |
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587 | #define ev_cb(ev) (ev)->cb /* rw */ |
605 | #define ev_cb(ev) (ev)->cb /* rw */ |
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606 | |
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607 | #if EV_MINPRI == EV_MAXPRI |
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608 | # define ev_priority(ev) ((ev), EV_MINPRI) |
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609 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
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610 | #else |
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611 | # define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0) |
588 | #define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri) |
612 | # define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri) |
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613 | #endif |
589 | |
614 | |
590 | #define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.) |
615 | #define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.) |
591 | |
616 | |
592 | #ifndef ev_set_cb |
617 | #ifndef ev_set_cb |
593 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
618 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |