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Comparing libev/ev.h (file contents):
Revision 1.99 by root, Wed Apr 16 01:37:14 2008 UTC vs.
Revision 1.107 by root, Wed Nov 5 02:48:45 2008 UTC

… …
88#endif 88#endif
89 89
90/*****************************************************************************/ 90/*****************************************************************************/
91 91
92#if EV_STAT_ENABLE 92#if EV_STAT_ENABLE
93# ifdef _WIN32
94# include <time.h>
95# include <sys/types.h>
96# endif
93# include <sys/stat.h> 97# include <sys/stat.h>
94#endif 98#endif
95 99
96/* support multiple event loops? */ 100/* support multiple event loops? */
97#if EV_MULTIPLICITY 101#if EV_MULTIPLICITY
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164/* 168/*
165 * struct member types: 169 * struct member types:
166 * private: you can look at them, but not change them, and they might not mean anything to you. 170 * private: you can look at them, but not change them, and they might not mean anything to you.
167 * ro: can be read anytime, but only changed when the watcher isn't active 171 * ro: can be read anytime, but only changed when the watcher isn't active
168 * rw: can be read and modified anytime, even when the watcher is active 172 * rw: can be read and modified anytime, even when the watcher is active
173 *
174 * some internal details that might be helpful for debugging:
175 *
176 * active is either 0, which means the watcher is not active,
177 * or the array index of the watcher (periodics, timers)
178 * or the array index + 1 (most other watchers)
179 * or simply 1 for watchers that aren't in some array.
180 * pending is either 0, in which case the watcher isn't,
181 * or the array index + 1 in the pendings array.
169 */ 182 */
170 183
171/* shared by all watchers */ 184/* shared by all watchers */
172#define EV_WATCHER(type) \ 185#define EV_WATCHER(type) \
173 int active; /* private */ \ 186 int active; /* private */ \
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322 ev_prepare prepare; /* private */ 335 ev_prepare prepare; /* private */
323 ev_check check; /* unused */ 336 ev_check check; /* unused */
324 ev_timer timer; /* unused */ 337 ev_timer timer; /* unused */
325 ev_periodic periodic; /* unused */ 338 ev_periodic periodic; /* unused */
326 ev_idle idle; /* unused */ 339 ev_idle idle; /* unused */
327 ev_fork fork; /* unused */ 340 ev_fork fork; /* private */
328} ev_embed; 341} ev_embed;
329#endif 342#endif
330 343
331#if EV_ASYNC_ENABLE 344#if EV_ASYNC_ENABLE
332/* invoked when somebody calls ev_async_send on the watcher */ 345/* invoked when somebody calls ev_async_send on the watcher */
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408 * retryable syscall error 421 * retryable syscall error
409 * (such as failed select, poll, epoll_wait) 422 * (such as failed select, poll, epoll_wait)
410 */ 423 */
411void ev_set_syserr_cb (void (*cb)(const char *msg)); 424void ev_set_syserr_cb (void (*cb)(const char *msg));
412 425
413# if EV_MULTIPLICITY 426#if EV_MULTIPLICITY
414EV_INLINE struct ev_loop * 427EV_INLINE struct ev_loop *
415ev_default_loop_uc (void) 428ev_default_loop_uc (void)
416{ 429{
417 extern struct ev_loop *ev_default_loop_ptr; 430 extern struct ev_loop *ev_default_loop_ptr;
418 431
… …
438 451
439/* create and destroy alternative loops that don't handle signals */ 452/* create and destroy alternative loops that don't handle signals */
440struct ev_loop *ev_loop_new (unsigned int flags); 453struct ev_loop *ev_loop_new (unsigned int flags);
441void ev_loop_destroy (EV_P); 454void ev_loop_destroy (EV_P);
442void ev_loop_fork (EV_P); 455void ev_loop_fork (EV_P);
456void ev_loop_verify (EV_P);
443 457
444ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ 458ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
459void ev_now_update (EV_P);
445 460
446# else 461#else
447 462
448int ev_default_loop (unsigned int flags); /* returns true when successful */ 463int ev_default_loop (unsigned int flags); /* returns true when successful */
449 464
450EV_INLINE ev_tstamp 465EV_INLINE ev_tstamp
451ev_now (void) 466ev_now (void)
452{ 467{
453 extern ev_tstamp ev_rt_now; 468 extern ev_tstamp ev_rt_now;
454 469
455 return ev_rt_now; 470 return ev_rt_now;
456} 471}
457# endif 472#endif /* multiplicity */
458 473
459EV_INLINE int 474EV_INLINE int
460ev_is_default_loop (EV_P) 475ev_is_default_loop (EV_P)
461{ 476{
462#if EV_MULTIPLICITY 477#if EV_MULTIPLICITY
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475/* you can actually call it at any time, anywhere :) */ 490/* you can actually call it at any time, anywhere :) */
476void ev_default_fork (void); 491void ev_default_fork (void);
477 492
478unsigned int ev_backend (EV_P); /* backend in use by loop */ 493unsigned int ev_backend (EV_P); /* backend in use by loop */
479unsigned int ev_loop_count (EV_P); /* number of loop iterations */ 494unsigned int ev_loop_count (EV_P); /* number of loop iterations */
480#endif 495#endif /* prototypes */
481 496
482#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 497#define EVLOOP_NONBLOCK 1 /* do not block/wait */
483#define EVLOOP_ONESHOT 2 /* block *once* only */ 498#define EVLOOP_ONESHOT 2 /* block *once* only */
484#define EVUNLOOP_CANCEL 0 /* undo unloop */ 499#define EVUNLOOP_CANCEL 0 /* undo unloop */
485#define EVUNLOOP_ONE 1 /* unloop once */ 500#define EVUNLOOP_ONE 1 /* unloop once */
… …
498 * should not keep ev_loop from running, unref() after starting, and ref() before stopping. 513 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
499 */ 514 */
500void ev_ref (EV_P); 515void ev_ref (EV_P);
501void ev_unref (EV_P); 516void ev_unref (EV_P);
502 517
503/* convinience function, wait for a single event, without registering an event watcher */ 518/* convenience function, wait for a single event, without registering an event watcher */
504/* if timeout is < 0, do wait indefinitely */ 519/* if timeout is < 0, do wait indefinitely */
505void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 520void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
506#endif 521#endif
507 522
508/* these may evaluate ev multiple times, and the other arguments at most once */ 523/* these may evaluate ev multiple times, and the other arguments at most once */
… …
513 ((ev_watcher *)(void *)(ev))->priority = 0; \ 528 ((ev_watcher *)(void *)(ev))->priority = 0; \
514 ev_set_cb ((ev), cb_); \ 529 ev_set_cb ((ev), cb_); \
515} while (0) 530} while (0)
516 531
517#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0) 532#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0)
518#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 533#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
519#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) 534#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
520#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 535#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
521#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) 536#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
522#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) 537#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
523#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 538#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
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545 560
546#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0) 561#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
547#define ev_cb(ev) (ev)->cb /* rw */ 562#define ev_cb(ev) (ev)->cb /* rw */
548#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri) 563#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri)
549 564
565#define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.)
566
550#ifndef ev_set_cb 567#ifndef ev_set_cb
551# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 568# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
552#endif 569#endif
553 570
554/* stopping (enabling, adding) a watcher does nothing if it is already running */ 571/* stopping (enabling, adding) a watcher does nothing if it is already running */

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