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Comparing libev/ev.h (file contents):
Revision 1.114 by root, Wed Apr 15 19:35:53 2009 UTC vs.
Revision 1.119 by root, Fri Jul 10 00:36:21 2009 UTC

… …
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
85#ifndef EV_WALK_ENABLE
86# define EV_WALK_ENABLE 0 /* not yet */
87#endif
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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183 * or simply 1 for watchers that aren't in some array. 187 * or simply 1 for watchers that aren't in some array.
184 * pending is either 0, in which case the watcher isn't, 188 * pending is either 0, in which case the watcher isn't,
185 * or the array index + 1 in the pendings array. 189 * or the array index + 1 in the pendings array.
186 */ 190 */
187 191
192#if EV_MINPRI == EV_MAXPRI
193# define EV_DECL_PRIORITY
194#else
195# define EV_DECL_PRIORITY int priority;
196#endif
197
188/* shared by all watchers */ 198/* shared by all watchers */
189#define EV_WATCHER(type) \ 199#define EV_WATCHER(type) \
190 int active; /* private */ \ 200 int active; /* private */ \
191 int pending; /* private */ \ 201 int pending; /* private */ \
192 int priority; /* private */ \ 202 EV_DECL_PRIORITY /* private */ \
193 EV_COMMON /* rw */ \ 203 EV_COMMON /* rw */ \
194 EV_CB_DECLARE (type) /* private */ 204 EV_CB_DECLARE (type) /* private */
195 205
196#define EV_WATCHER_LIST(type) \ 206#define EV_WATCHER_LIST(type) \
197 EV_WATCHER (type) \ 207 EV_WATCHER (type) \
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455 465
456/* create and destroy alternative loops that don't handle signals */ 466/* create and destroy alternative loops that don't handle signals */
457struct ev_loop *ev_loop_new (unsigned int flags); 467struct ev_loop *ev_loop_new (unsigned int flags);
458void ev_loop_destroy (EV_P); 468void ev_loop_destroy (EV_P);
459void ev_loop_fork (EV_P); 469void ev_loop_fork (EV_P);
460void ev_loop_verify (EV_P);
461 470
462ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ 471ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
463void ev_now_update (EV_P);
464 472
465#else 473#else
466 474
467int ev_default_loop (unsigned int flags); /* returns true when successful */ 475int ev_default_loop (unsigned int flags); /* returns true when successful */
468 476
… …
492/* 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 */
493/* you can call it in either the parent or the child */ 501/* you can call it in either the parent or the child */
494/* you can actually call it at any time, anywhere :) */ 502/* you can actually call it at any time, anywhere :) */
495void ev_default_fork (void); 503void ev_default_fork (void);
496 504
497#if 0 505unsigned int ev_backend (EV_P); /* backend in use by loop */
506
507void ev_now_update (EV_P); /* update event loop time */
508
509#if EV_WALK_ENABLE
498/* 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 */
499/* callback on every such watcher. The callback might stop the watcher, */ 511/* callback on every such watcher. The callback might stop the watcher, */
500/* but do nothing else with the loop */ 512/* but do nothing else with the loop */
501void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)); 513void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w));
502#endif 514#endif
503 515
504unsigned int ev_backend (EV_P); /* backend in use by loop */
505unsigned int ev_loop_count (EV_P); /* number of loop iterations */
506#endif /* prototypes */ 516#endif /* prototypes */
507 517
508#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 518#define EVLOOP_NONBLOCK 1 /* do not block/wait */
509#define EVLOOP_ONESHOT 2 /* block *once* only */ 519#define EVLOOP_ONESHOT 2 /* block *once* only */
510#define EVUNLOOP_CANCEL 0 /* undo unloop */ 520#define EVUNLOOP_CANCEL 0 /* undo unloop */
… …
513 523
514#if EV_PROTOTYPES 524#if EV_PROTOTYPES
515void ev_loop (EV_P_ int flags); 525void ev_loop (EV_P_ int flags);
516void 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 */ 526void 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 */
517 527
518void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
519void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
520
521/* 528/*
522 * 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
523 * 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
524 * 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.
525 */ 532 */
526void ev_ref (EV_P); 533void ev_ref (EV_P);
527void ev_unref (EV_P); 534void ev_unref (EV_P);
528
529/*
530 * stop/start the timer handling.
531 */
532void ev_suspend (EV_P);
533void ev_resume (EV_P);
534 535
535/* 536/*
536 * convenience function, wait for a single event, without registering an event watcher 537 * convenience function, wait for a single event, without registering an event watcher
537 * if timeout is < 0, do wait indefinitely 538 * if timeout is < 0, do wait indefinitely
538 */ 539 */
539void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 540void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
541
542# if EV_MINIMAL < 2
543unsigned int ev_loop_count (EV_P); /* number of loop iterations */
544unsigned int ev_loop_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */
545void ev_loop_verify (EV_P); /* abort if loop data corrupted */
546
547void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
548void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
549
550/*
551 * a single void * can be attached to each loop. this is intended
552 * to aid the invoke_pending/blocking callbacks.
553 */
554void ev_set_userdata (EV_P_ void *data);
555void *ev_userdata (EV_P);
556
557/*
558 * hooks to overide how and when libev invokes callbacks,
559 * and hooks that wrap the actual eventloop blocking call.
560 */
561void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P));
562void ev_set_blocking_cb (EV_P_ void (*suspend_cb_)(EV_P), void (*resume_cb_)(EV_P));
563
564void ev_invoke_pending (EV_P); /* invoke all pending watchers */
565
566/*
567 * stop/start the timer handling.
568 */
569void ev_suspend (EV_P);
570void ev_resume (EV_P);
571#endif
572
540#endif 573#endif
541 574
542/* these may evaluate ev multiple times, and the other arguments at most once */ 575/* these may evaluate ev multiple times, and the other arguments at most once */
543/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 576/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
544#define ev_init(ev,cb_) do { \ 577#define ev_init(ev,cb_) do { \
545 ((ev_watcher *)(void *)(ev))->active = \ 578 ((ev_watcher *)(void *)(ev))->active = \
546 ((ev_watcher *)(void *)(ev))->pending = \ 579 ((ev_watcher *)(void *)(ev))->pending = 0; \
547 ((ev_watcher *)(void *)(ev))->priority = 0; \ 580 ev_set_priority ((ev), 0); \
548 ev_set_cb ((ev), cb_); \ 581 ev_set_cb ((ev), cb_); \
549} while (0) 582} while (0)
550 583
551#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0) 584#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0)
552#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) 585#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
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575#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) 608#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
576 609
577#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 610#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
578#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 611#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
579 612
580#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
581#define ev_cb(ev) (ev)->cb /* rw */ 613#define ev_cb(ev) (ev)->cb /* rw */
614
615#if EV_MINPRI == EV_MAXPRI
616# define ev_priority(ev) ((ev), EV_MINPRI)
617# define ev_set_priority(ev,pri) ((ev), (pri))
618#else
619# define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
582#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri) 620# define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri)
621#endif
583 622
584#define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.) 623#define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.)
585 624
586#ifndef ev_set_cb 625#ifndef ev_set_cb
587# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 626# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)

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