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Comparing libev/ev.h (file contents):
Revision 1.90 by root, Tue Dec 25 07:05:45 2007 UTC vs.
Revision 1.126 by root, Sun Aug 9 12:34:47 2009 UTC

1/* 1/*
2 * libev native API header 2 * libev native API header
3 * 3 *
4 * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without modifica- 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met: 8 * tion, are permitted provided that the following conditions are met:
9 * 9 *
… …
35 * and other provisions required by the GPL. If you do not delete the 35 * and other provisions required by the GPL. If you do not delete the
36 * provisions above, a recipient may use your version of this file under 36 * provisions above, a recipient may use your version of this file under
37 * either the BSD or the GPL. 37 * either the BSD or the GPL.
38 */ 38 */
39 39
40#ifndef EV_H__ 40#ifndef EV_H_
41#define EV_H__ 41#define EV_H_
42 42
43#ifdef __cplusplus 43#ifdef __cplusplus
44extern "C" { 44extern "C" {
45#endif 45#endif
46 46
… …
76 76
77#ifndef EV_EMBED_ENABLE 77#ifndef EV_EMBED_ENABLE
78# define EV_EMBED_ENABLE 1 78# define EV_EMBED_ENABLE 1
79#endif 79#endif
80 80
81#ifndef EV_ASYNC_ENABLE
82# define EV_ASYNC_ENABLE 1
83#endif
84
85#ifndef EV_WALK_ENABLE
86# define EV_WALK_ENABLE 0 /* not yet */
87#endif
88
89#ifndef EV_ATOMIC_T
90# include <signal.h>
91# define EV_ATOMIC_T sig_atomic_t volatile
92#endif
93
81/*****************************************************************************/ 94/*****************************************************************************/
82 95
83#if EV_STAT_ENABLE 96#if EV_STAT_ENABLE
97# ifdef _WIN32
98# include <time.h>
99# include <sys/types.h>
100# endif
84# include <sys/stat.h> 101# include <sys/stat.h>
85#endif 102#endif
86 103
87/* support multiple event loops? */ 104/* support multiple event loops? */
88#if EV_MULTIPLICITY 105#if EV_MULTIPLICITY
89struct ev_loop; 106struct ev_loop;
90# define EV_P struct ev_loop *loop 107# define EV_P struct ev_loop *loop
91# define EV_P_ EV_P, 108# define EV_P_ EV_P,
92# define EV_A loop 109# define EV_A loop
93# define EV_A_ EV_A, 110# define EV_A_ EV_A,
111# define EV_DEFAULT_UC ev_default_loop_uc ()
112# define EV_DEFAULT_UC_ EV_DEFAULT_UC,
94# define EV_DEFAULT ev_default_loop (0) 113# define EV_DEFAULT ev_default_loop (0)
95# define EV_DEFAULT_ EV_DEFAULT, 114# define EV_DEFAULT_ EV_DEFAULT,
96#else 115#else
97# define EV_P void 116# define EV_P void
98# define EV_P_ 117# define EV_P_
99# define EV_A 118# define EV_A
100# define EV_A_ 119# define EV_A_
101# define EV_DEFAULT 120# define EV_DEFAULT
102# define EV_DEFAULT_ 121# define EV_DEFAULT_
103 122# define EV_DEFAULT_UC
123# define EV_DEFAULT_UC_
104# undef EV_EMBED_ENABLE 124# undef EV_EMBED_ENABLE
105#endif 125#endif
106 126
127#if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3
128# define EV_INLINE static inline
129#else
130# define EV_INLINE static
131#endif
132
133/*****************************************************************************/
134
107/* eventmask, revents, events... */ 135/* eventmask, revents, events... */
108#define EV_UNDEF -1L /* guaranteed to be invalid */ 136#define EV_UNDEF -1 /* guaranteed to be invalid */
109#define EV_NONE 0x00L /* no events */ 137#define EV_NONE 0x00 /* no events */
110#define EV_READ 0x01L /* ev_io detected read will not block */ 138#define EV_READ 0x01 /* ev_io detected read will not block */
111#define EV_WRITE 0x02L /* ev_io detected write will not block */ 139#define EV_WRITE 0x02 /* ev_io detected write will not block */
112#define EV_IOFDSET 0x80L /* internal use only */ 140#define EV__IOFDSET 0x80 /* internal use only */
141#define EV_IO EV_READ /* alias for type-detection */
113#define EV_TIMEOUT 0x00000100L /* timer timed out */ 142#define EV_TIMEOUT 0x00000100 /* timer timed out */
143#define EV_TIMER EV_TIMEOUT /* alias for type-detection */
114#define EV_PERIODIC 0x00000200L /* periodic timer timed out */ 144#define EV_PERIODIC 0x00000200 /* periodic timer timed out */
115#define EV_SIGNAL 0x00000400L /* signal was received */ 145#define EV_SIGNAL 0x00000400 /* signal was received */
116#define EV_CHILD 0x00000800L /* child/pid had status change */ 146#define EV_CHILD 0x00000800 /* child/pid had status change */
117#define EV_STAT 0x00001000L /* stat data changed */ 147#define EV_STAT 0x00001000 /* stat data changed */
118#define EV_IDLE 0x00002000L /* event loop is idling */ 148#define EV_IDLE 0x00002000 /* event loop is idling */
119#define EV_PREPARE 0x00004000L /* event loop about to poll */ 149#define EV_PREPARE 0x00004000 /* event loop about to poll */
120#define EV_CHECK 0x00008000L /* event loop finished poll */ 150#define EV_CHECK 0x00008000 /* event loop finished poll */
121#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */ 151#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */
122#define EV_FORK 0x00020000L /* event loop resumed in child */ 152#define EV_FORK 0x00020000 /* event loop resumed in child */
153#define EV_ASYNC 0x00040000 /* async intra-loop signal */
154#define EV_CUSTOM 0x01000000 /* for use by user code */
123#define EV_ERROR 0x80000000L /* sent when an error occurs */ 155#define EV_ERROR 0x80000000 /* sent when an error occurs */
124 156
125/* 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 */
126#ifndef EV_COMMON 158#ifndef EV_COMMON
127# define EV_COMMON void *data; 159# define EV_COMMON void *data;
128#endif 160#endif
129#ifndef EV_PROTOTYPES 161#ifndef EV_PROTOTYPES
130# define EV_PROTOTYPES 1 162# define EV_PROTOTYPES 1
131#endif 163#endif
132 164
133#define EV_VERSION_MAJOR 2 165#define EV_VERSION_MAJOR 3
134#define EV_VERSION_MINOR 0 166#define EV_VERSION_MINOR 8
135 167
136#ifndef EV_CB_DECLARE 168#ifndef EV_CB_DECLARE
137# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); 169# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
138#endif 170#endif
139#ifndef EV_CB_INVOKE 171#ifndef EV_CB_INVOKE
140# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) 172# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
141#endif 173#endif
142 174
143/* 175/*
144 * struct member types: 176 * struct member types:
145 * private: you can look at them, but not change them, and they might not mean anything to you. 177 * private: you may look at them, but not change them,
178 * and they might not mean anything to you.
146 * ro: can be read anytime, but only changed when the watcher isn't active 179 * ro: can be read anytime, but only changed when the watcher isn't active.
147 * rw: can be read and modified anytime, even when the watcher is active 180 * rw: can be read and modified anytime, even when the watcher is active.
181 *
182 * some internal details that might be helpful for debugging:
183 *
184 * active is either 0, which means the watcher is not active,
185 * or the array index of the watcher (periodics, timers)
186 * or the array index + 1 (most other watchers)
187 * or simply 1 for watchers that aren't in some array.
188 * pending is either 0, in which case the watcher isn't,
189 * or the array index + 1 in the pendings array.
148 */ 190 */
191
192#if EV_MINPRI == EV_MAXPRI
193# define EV_DECL_PRIORITY
194#else
195# define EV_DECL_PRIORITY int priority;
196#endif
149 197
150/* shared by all watchers */ 198/* shared by all watchers */
151#define EV_WATCHER(type) \ 199#define EV_WATCHER(type) \
152 int active; /* private */ \ 200 int active; /* private */ \
153 int pending; /* private */ \ 201 int pending; /* private */ \
154 int priority; /* private */ \ 202 EV_DECL_PRIORITY /* private */ \
155 EV_COMMON /* rw */ \ 203 EV_COMMON /* rw */ \
156 EV_CB_DECLARE (type) /* private */ 204 EV_CB_DECLARE (type) /* private */
157 205
158#define EV_WATCHER_LIST(type) \ 206#define EV_WATCHER_LIST(type) \
159 EV_WATCHER (type) \ 207 EV_WATCHER (type) \
… …
225/* does not support priorities */ 273/* does not support priorities */
226typedef struct ev_child 274typedef struct ev_child
227{ 275{
228 EV_WATCHER_LIST (ev_child) 276 EV_WATCHER_LIST (ev_child)
229 277
278 int flags; /* private */
230 int pid; /* ro */ 279 int pid; /* ro */
231 int rpid; /* rw, holds the received pid */ 280 int rpid; /* rw, holds the received pid */
232 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ 281 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
233} ev_child; 282} ev_child;
234 283
… …
300 ev_prepare prepare; /* private */ 349 ev_prepare prepare; /* private */
301 ev_check check; /* unused */ 350 ev_check check; /* unused */
302 ev_timer timer; /* unused */ 351 ev_timer timer; /* unused */
303 ev_periodic periodic; /* unused */ 352 ev_periodic periodic; /* unused */
304 ev_idle idle; /* unused */ 353 ev_idle idle; /* unused */
305 ev_fork fork; /* unused */ 354 ev_fork fork; /* private */
306} ev_embed; 355} ev_embed;
356#endif
357
358#if EV_ASYNC_ENABLE
359/* invoked when somebody calls ev_async_send on the watcher */
360/* revent EV_ASYNC */
361typedef struct ev_async
362{
363 EV_WATCHER (ev_async)
364
365 EV_ATOMIC_T sent; /* private */
366} ev_async;
367
368# define ev_async_pending(w) ((w)->sent + 0)
307#endif 369#endif
308 370
309/* the presence of this union forces similar struct layout */ 371/* the presence of this union forces similar struct layout */
310union ev_any_watcher 372union ev_any_watcher
311{ 373{
… …
329 struct ev_fork fork; 391 struct ev_fork fork;
330#endif 392#endif
331#if EV_EMBED_ENABLE 393#if EV_EMBED_ENABLE
332 struct ev_embed embed; 394 struct ev_embed embed;
333#endif 395#endif
396#if EV_ASYNC_ENABLE
397 struct ev_async async;
398#endif
334}; 399};
335 400
336/* bits for ev_default_loop and ev_loop_new */ 401/* bits for ev_default_loop and ev_loop_new */
337/* the default */ 402/* the default */
338#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ 403#define EVFLAG_AUTO 0x00000000U /* not quite a mask */
339/* flag bits */ 404/* flag bits */
340#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ 405#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */
341#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */ 406#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */
407/* debugging/feature disable */
408#define EVFLAG_NOINOTIFY 0x00100000U /* do not attempt to use inotify */
409#define EVFLAG_NOSIGFD 0x00200000U /* do not attempt to use signalfd */
342/* method bits to be ored together */ 410/* method bits to be ored together */
343#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ 411#define EVBACKEND_SELECT 0x00000001U /* about anywhere */
344#define EVBACKEND_POLL 0x00000002UL /* !win */ 412#define EVBACKEND_POLL 0x00000002U /* !win */
345#define EVBACKEND_EPOLL 0x00000004UL /* linux */ 413#define EVBACKEND_EPOLL 0x00000004U /* linux */
346#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ 414#define EVBACKEND_KQUEUE 0x00000008U /* bsd */
347#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */ 415#define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 */ /* NYI */
348#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */ 416#define EVBACKEND_PORT 0x00000020U /* solaris 10 */
349 417
350#if EV_PROTOTYPES 418#if EV_PROTOTYPES
351int ev_version_major (void); 419int ev_version_major (void);
352int ev_version_minor (void); 420int ev_version_minor (void);
353 421
… …
370 * retryable syscall error 438 * retryable syscall error
371 * (such as failed select, poll, epoll_wait) 439 * (such as failed select, poll, epoll_wait)
372 */ 440 */
373void ev_set_syserr_cb (void (*cb)(const char *msg)); 441void ev_set_syserr_cb (void (*cb)(const char *msg));
374 442
375# if EV_MULTIPLICITY 443#if EV_MULTIPLICITY
444EV_INLINE struct ev_loop *
445ev_default_loop_uc (void)
446{
447 extern struct ev_loop *ev_default_loop_ptr;
448
449 return ev_default_loop_ptr;
450}
451
376/* the default loop is the only one that handles signals and child watchers */ 452/* the default loop is the only one that handles signals and child watchers */
377/* you can call this as often as you like */ 453/* you can call this as often as you like */
378static struct ev_loop * 454EV_INLINE struct ev_loop *
379ev_default_loop (unsigned int flags) 455ev_default_loop (unsigned int flags)
380{ 456{
381 extern struct ev_loop *ev_default_loop_ptr; 457 struct ev_loop *loop = ev_default_loop_uc ();
458
459 if (!loop)
460 {
382 extern struct ev_loop *ev_default_loop_init (unsigned int flags); 461 extern struct ev_loop *ev_default_loop_init (unsigned int flags);
383 462
384 if (!ev_default_loop_ptr)
385 ev_default_loop_init (flags); 463 loop = ev_default_loop_init (flags);
464 }
386 465
387 return ev_default_loop_ptr; 466 return loop;
388} 467}
389 468
390/* create and destroy alternative loops that don't handle signals */ 469/* create and destroy alternative loops that don't handle signals */
391struct ev_loop *ev_loop_new (unsigned int flags); 470struct ev_loop *ev_loop_new (unsigned int flags);
392void ev_loop_destroy (EV_P); 471void ev_loop_destroy (EV_P);
393void ev_loop_fork (EV_P); 472void ev_loop_fork (EV_P);
394 473
395ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ 474ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
396 475
397# else 476#else
398 477
399int ev_default_loop (unsigned int flags); /* returns true when successful */ 478int ev_default_loop (unsigned int flags); /* returns true when successful */
400 479
401static ev_tstamp 480EV_INLINE ev_tstamp
402ev_now (void) 481ev_now (void)
403{ 482{
404 extern ev_tstamp ev_rt_now; 483 extern ev_tstamp ev_rt_now;
405 484
406 return ev_rt_now; 485 return ev_rt_now;
407} 486}
487#endif /* multiplicity */
488
489EV_INLINE int
490ev_is_default_loop (EV_P)
491{
492#if EV_MULTIPLICITY
493 extern struct ev_loop *ev_default_loop_ptr;
494
495 return !!(EV_A == ev_default_loop_ptr);
496#else
497 return 1;
408# endif 498#endif
499}
409 500
410void ev_default_destroy (void); /* destroy the default loop */ 501void ev_default_destroy (void); /* destroy the default loop */
411/* this needs to be called after fork, to duplicate the default loop */ 502/* this needs to be called after fork, to duplicate the default loop */
412/* if you create alternative loops you have to call ev_loop_fork on them */ 503/* if you create alternative loops you have to call ev_loop_fork on them */
413/* you can call it in either the parent or the child */ 504/* you can call it in either the parent or the child */
414/* you can actually call it at any time, anywhere :) */ 505/* you can actually call it at any time, anywhere :) */
415void ev_default_fork (void); 506void ev_default_fork (void);
416 507
417unsigned int ev_backend (EV_P); /* backend in use by loop */ 508unsigned int ev_backend (EV_P); /* backend in use by loop */
418unsigned int ev_loop_count (EV_P); /* number of loop iterations */ 509
510void ev_now_update (EV_P); /* update event loop time */
511
512#if EV_WALK_ENABLE
513/* walk (almost) all watchers in the loop of a given type, invoking the */
514/* callback on every such watcher. The callback might stop the watcher, */
515/* but do nothing else with the loop */
516void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w));
419#endif 517#endif
518
519#endif /* prototypes */
420 520
421#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 521#define EVLOOP_NONBLOCK 1 /* do not block/wait */
422#define EVLOOP_ONESHOT 2 /* block *once* only */ 522#define EVLOOP_ONESHOT 2 /* block *once* only */
423#define EVUNLOOP_CANCEL 0 /* undo unloop */ 523#define EVUNLOOP_CANCEL 0 /* undo unloop */
424#define EVUNLOOP_ONE 1 /* unloop once */ 524#define EVUNLOOP_ONE 1 /* unloop once */
… …
426 526
427#if EV_PROTOTYPES 527#if EV_PROTOTYPES
428void ev_loop (EV_P_ int flags); 528void ev_loop (EV_P_ int flags);
429void 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 */ 529void 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 */
430 530
431void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
432void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
433
434/* 531/*
435 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher 532 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
436 * keeps one reference. if you have a long-runing watcher you never unregister that 533 * keeps one reference. if you have a long-running watcher you never unregister that
437 * should not keep ev_loop from running, unref() after starting, and ref() before stopping. 534 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
438 */ 535 */
439void ev_ref (EV_P); 536void ev_ref (EV_P);
440void ev_unref (EV_P); 537void ev_unref (EV_P);
441 538
539/*
442/* convinience function, wait for a single event, without registering an event watcher */ 540 * convenience function, wait for a single event, without registering an event watcher
443/* if timeout is < 0, do wait indefinitely */ 541 * if timeout is < 0, do wait indefinitely
542 */
444void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 543void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
544
545# if EV_MINIMAL < 2
546unsigned int ev_loop_count (EV_P); /* number of loop iterations */
547unsigned int ev_loop_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */
548void ev_loop_verify (EV_P); /* abort if loop data corrupted */
549
550void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
551void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
552
553/* advanced stuff for threading etc. support, see docs */
554void ev_set_userdata (EV_P_ void *data);
555void *ev_userdata (EV_P);
556void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P));
557void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P));
558
559unsigned int ev_pending_count (EV_P); /* number of pending events, if any */
560void ev_invoke_pending (EV_P); /* invoke all pending watchers */
561
562/*
563 * stop/start the timer handling.
564 */
565void ev_suspend (EV_P);
566void ev_resume (EV_P);
567#endif
568
445#endif 569#endif
446 570
447/* these may evaluate ev multiple times, and the other arguments at most once */ 571/* these may evaluate ev multiple times, and the other arguments at most once */
448/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 572/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
449#define ev_init(ev,cb_) do { \ 573#define ev_init(ev,cb_) do { \
450 ((ev_watcher *)(void *)(ev))->active = \ 574 ((ev_watcher *)(void *)(ev))->active = \
451 ((ev_watcher *)(void *)(ev))->pending = \ 575 ((ev_watcher *)(void *)(ev))->pending = 0; \
452 ((ev_watcher *)(void *)(ev))->priority = 0; \ 576 ev_set_priority ((ev), 0); \
453 ev_set_cb ((ev), cb_); \ 577 ev_set_cb ((ev), cb_); \
454} while (0) 578} while (0)
455 579
456#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0) 580#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0)
457#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 581#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
458#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) 582#define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0)
459#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 583#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
460#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) 584#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
461#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) 585#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
462#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 586#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
463#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 587#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
464#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 588#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
465#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) 589#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
466#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ 590#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
591#define ev_async_set(ev) do { (ev)->sent = 0; } while (0)
467 592
468#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 593#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
469#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 594#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
470#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) 595#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
471#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) 596#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
472#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) 597#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
473#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) 598#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
474#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) 599#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
475#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) 600#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
476#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) 601#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
477#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) 602#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
478#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) 603#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
604#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
479 605
480#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 606#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
481#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 607#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
482 608
609#define ev_cb(ev) (ev)->cb /* rw */
610
611#if EV_MINPRI == EV_MAXPRI
612# define ev_priority(ev) ((ev), EV_MINPRI)
613# define ev_set_priority(ev,pri) ((ev), (pri))
614#else
483#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0) 615# define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
484#define ev_cb(ev) (ev)->cb /* rw */
485#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri) 616# define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri)
617#endif
618
619#define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.)
486 620
487#ifndef ev_set_cb 621#ifndef ev_set_cb
488# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 622# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
489#endif 623#endif
490 624
491/* stopping (enabling, adding) a watcher does nothing if it is already running */ 625/* stopping (enabling, adding) a watcher does nothing if it is already running */
492/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 626/* stopping (disabling, deleting) a watcher does nothing unless its already running */
493#if EV_PROTOTYPES 627#if EV_PROTOTYPES
… …
505 639
506void ev_timer_start (EV_P_ ev_timer *w); 640void ev_timer_start (EV_P_ ev_timer *w);
507void ev_timer_stop (EV_P_ ev_timer *w); 641void ev_timer_stop (EV_P_ ev_timer *w);
508/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ 642/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
509void ev_timer_again (EV_P_ ev_timer *w); 643void ev_timer_again (EV_P_ ev_timer *w);
644/* return remaining time */
645ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w);
510 646
511#if EV_PERIODIC_ENABLE 647#if EV_PERIODIC_ENABLE
512void ev_periodic_start (EV_P_ ev_periodic *w); 648void ev_periodic_start (EV_P_ ev_periodic *w);
513void ev_periodic_stop (EV_P_ ev_periodic *w); 649void ev_periodic_stop (EV_P_ ev_periodic *w);
514void ev_periodic_again (EV_P_ ev_periodic *w); 650void ev_periodic_again (EV_P_ ev_periodic *w);
… …
549void ev_embed_start (EV_P_ ev_embed *w); 685void ev_embed_start (EV_P_ ev_embed *w);
550void ev_embed_stop (EV_P_ ev_embed *w); 686void ev_embed_stop (EV_P_ ev_embed *w);
551void ev_embed_sweep (EV_P_ ev_embed *w); 687void ev_embed_sweep (EV_P_ ev_embed *w);
552# endif 688# endif
553 689
690# if EV_ASYNC_ENABLE
691void ev_async_start (EV_P_ ev_async *w);
692void ev_async_stop (EV_P_ ev_async *w);
693void ev_async_send (EV_P_ ev_async *w);
694# endif
695
554#endif 696#endif
555 697
556#ifdef __cplusplus 698#ifdef __cplusplus
557} 699}
558#endif 700#endif

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