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Comparing libev/ev.h (file contents):
Revision 1.113 by root, Wed Apr 15 17:49:27 2009 UTC vs.
Revision 1.117 by root, Wed Jul 8 04:29:31 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
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) \
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); 472void ev_now_update (EV_P);
464 473
465#else 474#else
492/* if you create alternative loops you have to call ev_loop_fork on them */ 501/* 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 */ 502/* you can call it in either the parent or the child */
494/* you can actually call it at any time, anywhere :) */ 503/* you can actually call it at any time, anywhere :) */
495void ev_default_fork (void); 504void ev_default_fork (void);
496 505
497#if 0 506unsigned int ev_backend (EV_P); /* backend in use by loop */
507unsigned int ev_loop_count (EV_P); /* number of loop iterations */
508unsigned int ev_loop_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */
509void ev_loop_verify (EV_P); /* abort if loop data corrupted */
510
511#if EV_WALK_ENABLE
498/* walk (almost) all watchers in the loop of a given type, invoking the */ 512/* 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, */ 513/* callback on every such watcher. The callback might stop the watcher, */
500/* but do nothing else with the loop */ 514/* but do nothing else with the loop */
501void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)); 515void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w));
502#endif 516#endif
503 517
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 */ 518#endif /* prototypes */
507 519
508#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 520#define EVLOOP_NONBLOCK 1 /* do not block/wait */
509#define EVLOOP_ONESHOT 2 /* block *once* only */ 521#define EVLOOP_ONESHOT 2 /* block *once* only */
510#define EVUNLOOP_CANCEL 0 /* undo unloop */ 522#define EVUNLOOP_CANCEL 0 /* undo unloop */
524 * should not keep ev_loop from running, unref() after starting, and ref() before stopping. 536 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
525 */ 537 */
526void ev_ref (EV_P); 538void ev_ref (EV_P);
527void ev_unref (EV_P); 539void ev_unref (EV_P);
528 540
541/*
542 * stop/start the timer handling.
543 */
544void ev_suspend (EV_P);
545void ev_resume (EV_P);
546
547/*
529/* convenience function, wait for a single event, without registering an event watcher */ 548 * convenience function, wait for a single event, without registering an event watcher
530/* if timeout is < 0, do wait indefinitely */ 549 * if timeout is < 0, do wait indefinitely
550 */
531void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 551void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
532#endif 552#endif
533 553
534/* these may evaluate ev multiple times, and the other arguments at most once */ 554/* these may evaluate ev multiple times, and the other arguments at most once */
535/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 555/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
536#define ev_init(ev,cb_) do { \ 556#define ev_init(ev,cb_) do { \
537 ((ev_watcher *)(void *)(ev))->active = \ 557 ((ev_watcher *)(void *)(ev))->active = \
538 ((ev_watcher *)(void *)(ev))->pending = \ 558 ((ev_watcher *)(void *)(ev))->pending = 0; \
539 ((ev_watcher *)(void *)(ev))->priority = 0; \ 559 ev_set_priority ((ev), 0); \
540 ev_set_cb ((ev), cb_); \ 560 ev_set_cb ((ev), cb_); \
541} while (0) 561} while (0)
542 562
543#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0) 563#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0)
544#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) 564#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
567#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) 587#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
568 588
569#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 589#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
570#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 590#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
571 591
572#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
573#define ev_cb(ev) (ev)->cb /* rw */ 592#define ev_cb(ev) (ev)->cb /* rw */
593
594#if EV_MINPRI == EV_MAXPRI
595# define ev_priority(ev) ((ev), EV_MINPRI)
596# define ev_set_priority(ev,pri) ((ev), (pri))
597#else
598# define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
574#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri) 599# define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri)
600#endif
575 601
576#define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.) 602#define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.)
577 603
578#ifndef ev_set_cb 604#ifndef ev_set_cb
579# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 605# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)

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