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Comparing libev/ev.h (file contents):
Revision 1.111 by root, Mon Mar 16 21:15:06 2009 UTC vs.
Revision 1.118 by root, Thu Jul 9 09:11:20 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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134#define EV_READ 0x01 /* ev_io detected read will not block */ 138#define EV_READ 0x01 /* ev_io detected read will not block */
135#define EV_WRITE 0x02 /* ev_io detected write will not block */ 139#define EV_WRITE 0x02 /* ev_io detected write will not block */
136#define EV__IOFDSET 0x80 /* internal use only */ 140#define EV__IOFDSET 0x80 /* internal use only */
137#define EV_IO EV_READ /* alias for type-detection */ 141#define EV_IO EV_READ /* alias for type-detection */
138#define EV_TIMEOUT 0x00000100 /* timer timed out */ 142#define EV_TIMEOUT 0x00000100 /* timer timed out */
143#define EV_TIMER EV_TIMEOUT /* alias for type-detection */
139#define EV_PERIODIC 0x00000200 /* periodic timer timed out */ 144#define EV_PERIODIC 0x00000200 /* periodic timer timed out */
140#define EV_SIGNAL 0x00000400 /* signal was received */ 145#define EV_SIGNAL 0x00000400 /* signal was received */
141#define EV_CHILD 0x00000800 /* child/pid had status change */ 146#define EV_CHILD 0x00000800 /* child/pid had status change */
142#define EV_STAT 0x00001000 /* stat data changed */ 147#define EV_STAT 0x00001000 /* stat data changed */
143#define EV_IDLE 0x00002000 /* event loop is idling */ 148#define EV_IDLE 0x00002000 /* event loop is idling */
144#define EV_PREPARE 0x00004000 /* event loop about to poll */ 149#define EV_PREPARE 0x00004000 /* event loop about to poll */
145#define EV_CHECK 0x00008000 /* event loop finished poll */ 150#define EV_CHECK 0x00008000 /* event loop finished poll */
146#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */ 151#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */
147#define EV_FORK 0x00020000 /* event loop resumed in child */ 152#define EV_FORK 0x00020000 /* event loop resumed in child */
148#define EV_ASYNC 0x00040000 /* async intra-loop signal */ 153#define EV_ASYNC 0x00040000 /* async intra-loop signal */
154#define EV_CUSTOM 0x01000000 /* for use by user code */
149#define EV_ERROR 0x80000000 /* sent when an error occurs */ 155#define EV_ERROR 0x80000000 /* sent when an error occurs */
150 156
151/* 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 */
152#ifndef EV_COMMON 158#ifndef EV_COMMON
153# define EV_COMMON void *data; 159# define EV_COMMON void *data;
… …
181 * or simply 1 for watchers that aren't in some array. 187 * or simply 1 for watchers that aren't in some array.
182 * pending is either 0, in which case the watcher isn't, 188 * pending is either 0, in which case the watcher isn't,
183 * or the array index + 1 in the pendings array. 189 * or the array index + 1 in the pendings array.
184 */ 190 */
185 191
192#if EV_MINPRI == EV_MAXPRI
193# define EV_DECL_PRIORITY
194#else
195# define EV_DECL_PRIORITY int priority;
196#endif
197
186/* shared by all watchers */ 198/* shared by all watchers */
187#define EV_WATCHER(type) \ 199#define EV_WATCHER(type) \
188 int active; /* private */ \ 200 int active; /* private */ \
189 int pending; /* private */ \ 201 int pending; /* private */ \
190 int priority; /* private */ \ 202 EV_DECL_PRIORITY /* private */ \
191 EV_COMMON /* rw */ \ 203 EV_COMMON /* rw */ \
192 EV_CB_DECLARE (type) /* private */ 204 EV_CB_DECLARE (type) /* private */
193 205
194#define EV_WATCHER_LIST(type) \ 206#define EV_WATCHER_LIST(type) \
195 EV_WATCHER (type) \ 207 EV_WATCHER (type) \
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453 465
454/* create and destroy alternative loops that don't handle signals */ 466/* create and destroy alternative loops that don't handle signals */
455struct ev_loop *ev_loop_new (unsigned int flags); 467struct ev_loop *ev_loop_new (unsigned int flags);
456void ev_loop_destroy (EV_P); 468void ev_loop_destroy (EV_P);
457void ev_loop_fork (EV_P); 469void ev_loop_fork (EV_P);
458void ev_loop_verify (EV_P);
459 470
460ev_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 */
461void ev_now_update (EV_P);
462 472
463#else 473#else
464 474
465int ev_default_loop (unsigned int flags); /* returns true when successful */ 475int ev_default_loop (unsigned int flags); /* returns true when successful */
466 476
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490/* 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 */
491/* you can call it in either the parent or the child */ 501/* you can call it in either the parent or the child */
492/* you can actually call it at any time, anywhere :) */ 502/* you can actually call it at any time, anywhere :) */
493void ev_default_fork (void); 503void ev_default_fork (void);
494 504
495unsigned int ev_backend (EV_P); /* backend in use by loop */ 505unsigned int ev_backend (EV_P); /* backend in use by loop */
496unsigned int ev_loop_count (EV_P); /* number of loop iterations */ 506unsigned int ev_loop_count (EV_P); /* number of loop iterations */
507unsigned int ev_loop_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */
508void ev_loop_verify (EV_P); /* abort if loop data corrupted */
509
510void ev_now_update (EV_P); /* update event loop time */
511void ev_invoke_pending (EV_P); /* invoke all pending watchers */
512
513#if EV_WALK_ENABLE
514/* walk (almost) all watchers in the loop of a given type, invoking the */
515/* callback on every such watcher. The callback might stop the watcher, */
516/* but do nothing else with the loop */
517void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w));
518#endif
519
497#endif /* prototypes */ 520#endif /* prototypes */
498 521
499#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 522#define EVLOOP_NONBLOCK 1 /* do not block/wait */
500#define EVLOOP_ONESHOT 2 /* block *once* only */ 523#define EVLOOP_ONESHOT 2 /* block *once* only */
501#define EVUNLOOP_CANCEL 0 /* undo unloop */ 524#define EVUNLOOP_CANCEL 0 /* undo unloop */
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515 * should not keep ev_loop from running, unref() after starting, and ref() before stopping. 538 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
516 */ 539 */
517void ev_ref (EV_P); 540void ev_ref (EV_P);
518void ev_unref (EV_P); 541void ev_unref (EV_P);
519 542
543/*
544 * stop/start the timer handling.
545 */
546void ev_suspend (EV_P);
547void ev_resume (EV_P);
548
549/*
520/* convenience function, wait for a single event, without registering an event watcher */ 550 * convenience function, wait for a single event, without registering an event watcher
521/* if timeout is < 0, do wait indefinitely */ 551 * if timeout is < 0, do wait indefinitely
552 */
522void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 553void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
523#endif 554#endif
524 555
525/* these may evaluate ev multiple times, and the other arguments at most once */ 556/* these may evaluate ev multiple times, and the other arguments at most once */
526/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 557/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
527#define ev_init(ev,cb_) do { \ 558#define ev_init(ev,cb_) do { \
528 ((ev_watcher *)(void *)(ev))->active = \ 559 ((ev_watcher *)(void *)(ev))->active = \
529 ((ev_watcher *)(void *)(ev))->pending = \ 560 ((ev_watcher *)(void *)(ev))->pending = 0; \
530 ((ev_watcher *)(void *)(ev))->priority = 0; \ 561 ev_set_priority ((ev), 0); \
531 ev_set_cb ((ev), cb_); \ 562 ev_set_cb ((ev), cb_); \
532} while (0) 563} while (0)
533 564
534#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0) 565#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0)
535#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) 566#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
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558#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) 589#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
559 590
560#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 591#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
561#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 592#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
562 593
563#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
564#define ev_cb(ev) (ev)->cb /* rw */ 594#define ev_cb(ev) (ev)->cb /* rw */
595
596#if EV_MINPRI == EV_MAXPRI
597# define ev_priority(ev) ((ev), EV_MINPRI)
598# define ev_set_priority(ev,pri) ((ev), (pri))
599#else
600# define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
565#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri) 601# define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri)
602#endif
566 603
567#define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.) 604#define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.)
568 605
569#ifndef ev_set_cb 606#ifndef ev_set_cb
570# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 607# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)

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