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Comparing libev/ev.h (file contents):
Revision 1.98 by root, Tue Apr 15 04:34:07 2008 UTC vs.
Revision 1.106 by root, Mon Sep 29 03:31:14 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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123#endif 127#endif
124 128
125/*****************************************************************************/ 129/*****************************************************************************/
126 130
127/* eventmask, revents, events... */ 131/* eventmask, revents, events... */
128#define EV_UNDEF -1L /* guaranteed to be invalid */ 132#define EV_UNDEF -1 /* guaranteed to be invalid */
129#define EV_NONE 0x00L /* no events */ 133#define EV_NONE 0x00 /* no events */
130#define EV_READ 0x01L /* ev_io detected read will not block */ 134#define EV_READ 0x01 /* ev_io detected read will not block */
131#define EV_WRITE 0x02L /* ev_io detected write will not block */ 135#define EV_WRITE 0x02 /* ev_io detected write will not block */
132#define EV_IOFDSET 0x80L /* internal use only */ 136#define EV_IOFDSET 0x80 /* internal use only */
133#define EV_TIMEOUT 0x00000100L /* timer timed out */ 137#define EV_TIMEOUT 0x00000100 /* timer timed out */
134#define EV_PERIODIC 0x00000200L /* periodic timer timed out */ 138#define EV_PERIODIC 0x00000200 /* periodic timer timed out */
135#define EV_SIGNAL 0x00000400L /* signal was received */ 139#define EV_SIGNAL 0x00000400 /* signal was received */
136#define EV_CHILD 0x00000800L /* child/pid had status change */ 140#define EV_CHILD 0x00000800 /* child/pid had status change */
137#define EV_STAT 0x00001000L /* stat data changed */ 141#define EV_STAT 0x00001000 /* stat data changed */
138#define EV_IDLE 0x00002000L /* event loop is idling */ 142#define EV_IDLE 0x00002000 /* event loop is idling */
139#define EV_PREPARE 0x00004000L /* event loop about to poll */ 143#define EV_PREPARE 0x00004000 /* event loop about to poll */
140#define EV_CHECK 0x00008000L /* event loop finished poll */ 144#define EV_CHECK 0x00008000 /* event loop finished poll */
141#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */ 145#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */
142#define EV_FORK 0x00020000L /* event loop resumed in child */ 146#define EV_FORK 0x00020000 /* event loop resumed in child */
143#define EV_ASYNC 0x00040000L /* async intra-loop signal */ 147#define EV_ASYNC 0x00040000 /* async intra-loop signal */
144#define EV_ERROR 0x80000000L /* sent when an error occurs */ 148#define EV_ERROR 0x80000000 /* sent when an error occurs */
145 149
146/* can be used to add custom fields to all watchers, while losing binary compatibility */ 150/* can be used to add custom fields to all watchers, while losing binary compatibility */
147#ifndef EV_COMMON 151#ifndef EV_COMMON
148# define EV_COMMON void *data; 152# define EV_COMMON void *data;
149#endif 153#endif
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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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371#endif 384#endif
372}; 385};
373 386
374/* bits for ev_default_loop and ev_loop_new */ 387/* bits for ev_default_loop and ev_loop_new */
375/* the default */ 388/* the default */
376#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ 389#define EVFLAG_AUTO 0x00000000U /* not quite a mask */
377/* flag bits */ 390/* flag bits */
378#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ 391#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */
379#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */ 392#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */
380/* method bits to be ored together */ 393/* method bits to be ored together */
381#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ 394#define EVBACKEND_SELECT 0x00000001U /* about anywhere */
382#define EVBACKEND_POLL 0x00000002UL /* !win */ 395#define EVBACKEND_POLL 0x00000002U /* !win */
383#define EVBACKEND_EPOLL 0x00000004UL /* linux */ 396#define EVBACKEND_EPOLL 0x00000004U /* linux */
384#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ 397#define EVBACKEND_KQUEUE 0x00000008U /* bsd */
385#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */ 398#define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 */ /* NYI */
386#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */ 399#define EVBACKEND_PORT 0x00000020U /* solaris 10 */
387 400
388#if EV_PROTOTYPES 401#if EV_PROTOTYPES
389int ev_version_major (void); 402int ev_version_major (void);
390int ev_version_minor (void); 403int ev_version_minor (void);
391 404
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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
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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 */
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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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