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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 1.141 by root, Thu Oct 21 12:32:47 2010 UTC

1/* 1/*
2 * libev native API header 2 * libev native API header
3 * 3 *
4 * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010 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
47/*****************************************************************************/
48
49#ifndef EV_FEATURES
50# define EV_FEATURES 0x7f
51#endif
52
53#define EV_FEATURE_CODE ((EV_FEATURES) & 1)
54#define EV_FEATURE_DATA ((EV_FEATURES) & 2)
55#define EV_FEATURE_CONFIG ((EV_FEATURES) & 4)
56#define EV_FEATURE_API ((EV_FEATURES) & 8)
57#define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16)
58#define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32)
59#define EV_FEATURE_OS ((EV_FEATURES) & 64)
60
61/* these priorities are inclusive, higher priorities will be invoked earlier */
62#ifndef EV_MINPRI
63# define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0)
64#endif
65#ifndef EV_MAXPRI
66# define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0)
67#endif
68
69#ifndef EV_MULTIPLICITY
70# define EV_MULTIPLICITY EV_FEATURE_CONFIG
71#endif
72
73#ifndef EV_PERIODIC_ENABLE
74# define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS
75#endif
76
77#ifndef EV_STAT_ENABLE
78# define EV_STAT_ENABLE EV_FEATURE_WATCHERS
79#endif
80
81#ifndef EV_PREPARE_ENABLE
82# define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS
83#endif
84
85#ifndef EV_CHECK_ENABLE
86# define EV_CHECK_ENABLE EV_FEATURE_WATCHERS
87#endif
88
89#ifndef EV_IDLE_ENABLE
90# define EV_IDLE_ENABLE EV_FEATURE_WATCHERS
91#endif
92
93#ifndef EV_FORK_ENABLE
94# define EV_FORK_ENABLE EV_FEATURE_WATCHERS
95#endif
96
97#ifndef EV_SIGNAL_ENABLE
98# define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS
99#endif
100
101#ifndef EV_CHILD_ENABLE
102# ifdef _WIN32
103# define EV_CHILD_ENABLE 0
104# else
105# define EV_CHILD_ENABLE EV_FEATURE_WATCHERS
106#endif
107#endif
108
109#ifndef EV_ASYNC_ENABLE
110# define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS
111#endif
112
113#ifndef EV_EMBED_ENABLE
114# define EV_EMBED_ENABLE EV_FEATURE_WATCHERS
115#endif
116
117#ifndef EV_WALK_ENABLE
118# define EV_WALK_ENABLE 0 /* not yet */
119#endif
120
121/*****************************************************************************/
122
123#if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE
124# undef EV_SIGNAL_ENABLE
125# define EV_SIGNAL_ENABLE 1
126#endif
127
128/*****************************************************************************/
129
47typedef double ev_tstamp; 130typedef double ev_tstamp;
48
49/* these priorities are inclusive, higher priorities will be called earlier */
50#ifndef EV_MINPRI
51# define EV_MINPRI -2
52#endif
53#ifndef EV_MAXPRI
54# define EV_MAXPRI +2
55#endif
56
57#ifndef EV_MULTIPLICITY
58# define EV_MULTIPLICITY 1
59#endif
60
61#ifndef EV_PERIODIC_ENABLE
62# define EV_PERIODIC_ENABLE 1
63#endif
64
65#ifndef EV_STAT_ENABLE
66# define EV_STAT_ENABLE 1
67#endif
68
69#ifndef EV_IDLE_ENABLE
70# define EV_IDLE_ENABLE 1
71#endif
72
73#ifndef EV_FORK_ENABLE
74# define EV_FORK_ENABLE 1
75#endif
76
77#ifndef EV_EMBED_ENABLE
78# define EV_EMBED_ENABLE 1
79#endif
80
81#ifndef EV_ASYNC_ENABLE
82# define EV_ASYNC_ENABLE 1
83#endif
84 131
85#ifndef EV_ATOMIC_T 132#ifndef EV_ATOMIC_T
86# include <signal.h> 133# include <signal.h>
87# define EV_ATOMIC_T sig_atomic_t volatile 134# define EV_ATOMIC_T sig_atomic_t volatile
88#endif 135#endif
89 136
90/*****************************************************************************/
91
92#if EV_STAT_ENABLE 137#if EV_STAT_ENABLE
138# ifdef _WIN32
139# include <time.h>
140# include <sys/types.h>
141# endif
93# include <sys/stat.h> 142# include <sys/stat.h>
94#endif 143#endif
95 144
96/* support multiple event loops? */ 145/* support multiple event loops? */
97#if EV_MULTIPLICITY 146#if EV_MULTIPLICITY
… …
120# define EV_INLINE static inline 169# define EV_INLINE static inline
121#else 170#else
122# define EV_INLINE static 171# define EV_INLINE static
123#endif 172#endif
124 173
174#ifndef EV_PROTOTYPES
175# define EV_PROTOTYPES 1
176#endif
177
125/*****************************************************************************/ 178/*****************************************************************************/
126 179
180#define EV_VERSION_MAJOR 4
181#define EV_VERSION_MINOR 0
182
127/* eventmask, revents, events... */ 183/* eventmask, revents, events... */
184//TODO: enum?
128#define EV_UNDEF -1 /* guaranteed to be invalid */ 185#define EV_UNDEF -1 /* guaranteed to be invalid */
129#define EV_NONE 0x00 /* no events */ 186#define EV_NONE 0x00 /* no events */
130#define EV_READ 0x01 /* ev_io detected read will not block */ 187#define EV_READ 0x01 /* ev_io detected read will not block */
131#define EV_WRITE 0x02 /* ev_io detected write will not block */ 188#define EV_WRITE 0x02 /* ev_io detected write will not block */
132#define EV_IOFDSET 0x80 /* internal use only */ 189#define EV__IOFDSET 0x80 /* internal use only */
190#define EV_IO EV_READ /* alias for type-detection */
133#define EV_TIMEOUT 0x00000100 /* timer timed out */ 191#define EV_TIMER 0x00000100 /* timer timed out */
192#define EV_TIMEOUT EV_TIMER /* pre 4.0 API compatibility */
134#define EV_PERIODIC 0x00000200 /* periodic timer timed out */ 193#define EV_PERIODIC 0x00000200 /* periodic timer timed out */
135#define EV_SIGNAL 0x00000400 /* signal was received */ 194#define EV_SIGNAL 0x00000400 /* signal was received */
136#define EV_CHILD 0x00000800 /* child/pid had status change */ 195#define EV_CHILD 0x00000800 /* child/pid had status change */
137#define EV_STAT 0x00001000 /* stat data changed */ 196#define EV_STAT 0x00001000 /* stat data changed */
138#define EV_IDLE 0x00002000 /* event loop is idling */ 197#define EV_IDLE 0x00002000 /* event loop is idling */
139#define EV_PREPARE 0x00004000 /* event loop about to poll */ 198#define EV_PREPARE 0x00004000 /* event loop about to poll */
140#define EV_CHECK 0x00008000 /* event loop finished poll */ 199#define EV_CHECK 0x00008000 /* event loop finished poll */
141#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */ 200#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */
142#define EV_FORK 0x00020000 /* event loop resumed in child */ 201#define EV_FORK 0x00020000 /* event loop resumed in child */
143#define EV_ASYNC 0x00040000 /* async intra-loop signal */ 202#define EV_ASYNC 0x00040000 /* async intra-loop signal */
203#define EV_CUSTOM 0x01000000 /* for use by user code */
144#define EV_ERROR 0x80000000 /* sent when an error occurs */ 204#define EV_ERROR 0x80000000 /* sent when an error occurs */
145 205
146/* can be used to add custom fields to all watchers, while losing binary compatibility */ 206/* can be used to add custom fields to all watchers, while losing binary compatibility */
147#ifndef EV_COMMON 207#ifndef EV_COMMON
148# define EV_COMMON void *data; 208# define EV_COMMON void *data;
149#endif 209#endif
150#ifndef EV_PROTOTYPES
151# define EV_PROTOTYPES 1
152#endif
153
154#define EV_VERSION_MAJOR 3
155#define EV_VERSION_MINOR 0
156 210
157#ifndef EV_CB_DECLARE 211#ifndef EV_CB_DECLARE
158# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); 212# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
159#endif 213#endif
160#ifndef EV_CB_INVOKE 214#ifndef EV_CB_INVOKE
161# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) 215# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
162#endif 216#endif
163 217
218/* not official, do not use */
219#define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents)
220
164/* 221/*
165 * struct member types: 222 * struct member types:
166 * private: you can look at them, but not change them, and they might not mean anything to you. 223 * private: you may look at them, but not change them,
224 * and they might not mean anything to you.
167 * ro: can be read anytime, but only changed when the watcher isn't active 225 * 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 226 * rw: can be read and modified anytime, even when the watcher is active.
227 *
228 * some internal details that might be helpful for debugging:
229 *
230 * active is either 0, which means the watcher is not active,
231 * or the array index of the watcher (periodics, timers)
232 * or the array index + 1 (most other watchers)
233 * or simply 1 for watchers that aren't in some array.
234 * pending is either 0, in which case the watcher isn't,
235 * or the array index + 1 in the pendings array.
169 */ 236 */
237
238#if EV_MINPRI == EV_MAXPRI
239# define EV_DECL_PRIORITY
240#elif !defined (EV_DECL_PRIORITY)
241# define EV_DECL_PRIORITY int priority;
242#endif
170 243
171/* shared by all watchers */ 244/* shared by all watchers */
172#define EV_WATCHER(type) \ 245#define EV_WATCHER(type) \
173 int active; /* private */ \ 246 int active; /* private */ \
174 int pending; /* private */ \ 247 int pending; /* private */ \
175 int priority; /* private */ \ 248 EV_DECL_PRIORITY /* private */ \
176 EV_COMMON /* rw */ \ 249 EV_COMMON /* rw */ \
177 EV_CB_DECLARE (type) /* private */ 250 EV_CB_DECLARE (type) /* private */
178 251
179#define EV_WATCHER_LIST(type) \ 252#define EV_WATCHER_LIST(type) \
180 EV_WATCHER (type) \ 253 EV_WATCHER (type) \
… …
322 ev_prepare prepare; /* private */ 395 ev_prepare prepare; /* private */
323 ev_check check; /* unused */ 396 ev_check check; /* unused */
324 ev_timer timer; /* unused */ 397 ev_timer timer; /* unused */
325 ev_periodic periodic; /* unused */ 398 ev_periodic periodic; /* unused */
326 ev_idle idle; /* unused */ 399 ev_idle idle; /* unused */
327 ev_fork fork; /* unused */ 400 ev_fork fork; /* private */
328} ev_embed; 401} ev_embed;
329#endif 402#endif
330 403
331#if EV_ASYNC_ENABLE 404#if EV_ASYNC_ENABLE
332/* invoked when somebody calls ev_async_send on the watcher */ 405/* invoked when somebody calls ev_async_send on the watcher */
… …
336 EV_WATCHER (ev_async) 409 EV_WATCHER (ev_async)
337 410
338 EV_ATOMIC_T sent; /* private */ 411 EV_ATOMIC_T sent; /* private */
339} ev_async; 412} ev_async;
340 413
341# define ev_async_pending(w) ((w)->sent + 0) 414# define ev_async_pending(w) (+(w)->sent)
342#endif 415#endif
343 416
344/* the presence of this union forces similar struct layout */ 417/* the presence of this union forces similar struct layout */
345union ev_any_watcher 418union ev_any_watcher
346{ 419{
… …
369#if EV_ASYNC_ENABLE 442#if EV_ASYNC_ENABLE
370 struct ev_async async; 443 struct ev_async async;
371#endif 444#endif
372}; 445};
373 446
447//TODO: enum?
374/* bits for ev_default_loop and ev_loop_new */ 448/* bits for ev_default_loop and ev_loop_new */
375/* the default */ 449/* the default */
376#define EVFLAG_AUTO 0x00000000U /* not quite a mask */ 450#define EVFLAG_AUTO 0x00000000U /* not quite a mask */
377/* flag bits */ 451/* flag bits */
378#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */ 452#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */
379#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */ 453#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */
454/* debugging/feature disable */
455#define EVFLAG_NOINOTIFY 0x00100000U /* do not attempt to use inotify */
456#define EVFLAG_NOSIGFD 0 /* compatibility to pre-3.9 */
457#define EVFLAG_SIGNALFD 0x00200000U /* attempt to use signalfd */
458//TODO: enum?
380/* method bits to be ored together */ 459/* method bits to be ored together */
381#define EVBACKEND_SELECT 0x00000001U /* about anywhere */ 460#define EVBACKEND_SELECT 0x00000001U /* about anywhere */
382#define EVBACKEND_POLL 0x00000002U /* !win */ 461#define EVBACKEND_POLL 0x00000002U /* !win */
383#define EVBACKEND_EPOLL 0x00000004U /* linux */ 462#define EVBACKEND_EPOLL 0x00000004U /* linux */
384#define EVBACKEND_KQUEUE 0x00000008U /* bsd */ 463#define EVBACKEND_KQUEUE 0x00000008U /* bsd */
385#define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 */ /* NYI */ 464#define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 */ /* NYI */
386#define EVBACKEND_PORT 0x00000020U /* solaris 10 */ 465#define EVBACKEND_PORT 0x00000020U /* solaris 10 */
466#define EVBACKEND_ALL 0x0000003FU
387 467
388#if EV_PROTOTYPES 468#if EV_PROTOTYPES
389int ev_version_major (void); 469int ev_version_major (void);
390int ev_version_minor (void); 470int ev_version_minor (void);
391 471
… …
408 * retryable syscall error 488 * retryable syscall error
409 * (such as failed select, poll, epoll_wait) 489 * (such as failed select, poll, epoll_wait)
410 */ 490 */
411void ev_set_syserr_cb (void (*cb)(const char *msg)); 491void ev_set_syserr_cb (void (*cb)(const char *msg));
412 492
413# if EV_MULTIPLICITY 493#if EV_MULTIPLICITY
414EV_INLINE struct ev_loop * 494EV_INLINE struct ev_loop *
415ev_default_loop_uc (void) 495ev_default_loop_uc (void)
416{ 496{
417 extern struct ev_loop *ev_default_loop_ptr; 497 extern struct ev_loop *ev_default_loop_ptr;
418 498
… …
441void ev_loop_destroy (EV_P); 521void ev_loop_destroy (EV_P);
442void ev_loop_fork (EV_P); 522void ev_loop_fork (EV_P);
443 523
444ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ 524ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
445 525
446# else 526#else
447 527
448int ev_default_loop (unsigned int flags); /* returns true when successful */ 528int ev_default_loop (unsigned int flags); /* returns true when successful */
449 529
450EV_INLINE ev_tstamp 530EV_INLINE ev_tstamp
451ev_now (void) 531ev_now (void)
452{ 532{
453 extern ev_tstamp ev_rt_now; 533 extern ev_tstamp ev_rt_now;
454 534
455 return ev_rt_now; 535 return ev_rt_now;
456} 536}
457# endif 537#endif /* multiplicity */
458 538
459EV_INLINE int 539EV_INLINE int
460ev_is_default_loop (EV_P) 540ev_is_default_loop (EV_P)
461{ 541{
462#if EV_MULTIPLICITY 542#if EV_MULTIPLICITY
… …
473/* if you create alternative loops you have to call ev_loop_fork on them */ 553/* if you create alternative loops you have to call ev_loop_fork on them */
474/* you can call it in either the parent or the child */ 554/* you can call it in either the parent or the child */
475/* you can actually call it at any time, anywhere :) */ 555/* you can actually call it at any time, anywhere :) */
476void ev_default_fork (void); 556void ev_default_fork (void);
477 557
478unsigned int ev_backend (EV_P); /* backend in use by loop */ 558unsigned int ev_backend (EV_P); /* backend in use by loop */
479unsigned int ev_loop_count (EV_P); /* number of loop iterations */
480#endif
481 559
560void ev_now_update (EV_P); /* update event loop time */
561
562#if EV_WALK_ENABLE
563/* walk (almost) all watchers in the loop of a given type, invoking the */
564/* callback on every such watcher. The callback might stop the watcher, */
565/* but do nothing else with the loop */
566void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w));
567#endif
568
569#endif /* prototypes */
570
571//TODO: enum?
482#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 572#define EVRUN_NOWAIT 1 /* do not block/wait */
483#define EVLOOP_ONESHOT 2 /* block *once* only */ 573#define EVRUN_ONCE 2 /* block *once* only */
574
484#define EVUNLOOP_CANCEL 0 /* undo unloop */ 575#define EVBREAK_CANCEL 0 /* undo unloop */
485#define EVUNLOOP_ONE 1 /* unloop once */ 576#define EVBREAK_ONE 1 /* unloop once */
486#define EVUNLOOP_ALL 2 /* unloop all loops */ 577#define EVBREAK_ALL 2 /* unloop all loops */
487 578
488#if EV_PROTOTYPES 579#if EV_PROTOTYPES
489void ev_loop (EV_P_ int flags); 580void ev_run (EV_P_ int flags);
490void 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 */ 581void ev_break (EV_P_ int how); /* set to 1 to break out of event loop, set to 2 to break out of all event loops */
491
492void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
493void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
494 582
495/* 583/*
496 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher 584 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
497 * keeps one reference. if you have a long-runing watcher you never unregister that 585 * keeps one reference. if you have a long-running watcher you never unregister that
498 * should not keep ev_loop from running, unref() after starting, and ref() before stopping. 586 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
499 */ 587 */
500void ev_ref (EV_P); 588void ev_ref (EV_P);
501void ev_unref (EV_P); 589void ev_unref (EV_P);
502 590
591/*
503/* convinience function, wait for a single event, without registering an event watcher */ 592 * convenience function, wait for a single event, without registering an event watcher
504/* if timeout is < 0, do wait indefinitely */ 593 * if timeout is < 0, do wait indefinitely
594 */
505void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 595void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
596
597# if EV_FEATURE_API
598unsigned int ev_iteration (EV_P); /* number of loop iterations */
599unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */
600void ev_verify (EV_P); /* abort if loop data corrupted */
601
602void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
603void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
604
605/* advanced stuff for threading etc. support, see docs */
606void ev_set_userdata (EV_P_ void *data);
607void *ev_userdata (EV_P);
608void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P));
609void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P));
610
611unsigned int ev_pending_count (EV_P); /* number of pending events, if any */
612void ev_invoke_pending (EV_P); /* invoke all pending watchers */
613
614/*
615 * stop/start the timer handling.
616 */
617void ev_suspend (EV_P);
618void ev_resume (EV_P);
619#endif
620
506#endif 621#endif
507 622
508/* these may evaluate ev multiple times, and the other arguments at most once */ 623/* these may evaluate ev multiple times, and the other arguments at most once */
509/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 624/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
510#define ev_init(ev,cb_) do { \ 625#define ev_init(ev,cb_) do { \
511 ((ev_watcher *)(void *)(ev))->active = \ 626 ((ev_watcher *)(void *)(ev))->active = \
512 ((ev_watcher *)(void *)(ev))->pending = \ 627 ((ev_watcher *)(void *)(ev))->pending = 0; \
513 ((ev_watcher *)(void *)(ev))->priority = 0; \ 628 ev_set_priority ((ev), 0); \
514 ev_set_cb ((ev), cb_); \ 629 ev_set_cb ((ev), cb_); \
515} while (0) 630} while (0)
516 631
517#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0) 632#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) 633#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) 634#define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0)
520#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 635#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) 636#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) 637#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 */ 638#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
524#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 639#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
525#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 640#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
526#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) 641#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
527#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ 642#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
528#define ev_async_set(ev) do { (ev)->sent = 0; } while (0) 643#define ev_async_set(ev) /* nop, yes, this is a serious in-joke */
529 644
530#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 645#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
531#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 646#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
532#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) 647#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
533#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) 648#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
534#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0) 649#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
535#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) 650#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
536#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) 651#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
537#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) 652#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
538#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) 653#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
539#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) 654#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
540#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) 655#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
541#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) 656#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
542 657
543#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 658#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
544#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 659#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
545 660
546#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
547#define ev_cb(ev) (ev)->cb /* rw */ 661#define ev_cb(ev) (ev)->cb /* rw */
662
663#if EV_MINPRI == EV_MAXPRI
664# define ev_priority(ev) ((ev), EV_MINPRI)
665# define ev_set_priority(ev,pri) ((ev), (pri))
666#else
667# define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority))
548#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri) 668# define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri)
669#endif
670
671#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
549 672
550#ifndef ev_set_cb 673#ifndef ev_set_cb
551# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 674# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
552#endif 675#endif
553 676
554/* stopping (enabling, adding) a watcher does nothing if it is already running */ 677/* stopping (enabling, adding) a watcher does nothing if it is already running */
555/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 678/* stopping (disabling, deleting) a watcher does nothing unless its already running */
556#if EV_PROTOTYPES 679#if EV_PROTOTYPES
557 680
558/* feeds an event into a watcher as if the event actually occured */ 681/* feeds an event into a watcher as if the event actually occured */
559/* accepts any ev_watcher type */ 682/* accepts any ev_watcher type */
560void ev_feed_event (EV_P_ void *w, int revents); 683void ev_feed_event (EV_P_ void *w, int revents);
561void ev_feed_fd_event (EV_P_ int fd, int revents); 684void ev_feed_fd_event (EV_P_ int fd, int revents);
685#if EV_SIGNAL_ENABLE
562void ev_feed_signal_event (EV_P_ int signum); 686void ev_feed_signal_event (EV_P_ int signum);
687#endif
563void ev_invoke (EV_P_ void *w, int revents); 688void ev_invoke (EV_P_ void *w, int revents);
564int ev_clear_pending (EV_P_ void *w); 689int ev_clear_pending (EV_P_ void *w);
565 690
566void ev_io_start (EV_P_ ev_io *w); 691void ev_io_start (EV_P_ ev_io *w);
567void ev_io_stop (EV_P_ ev_io *w); 692void ev_io_stop (EV_P_ ev_io *w);
568 693
569void ev_timer_start (EV_P_ ev_timer *w); 694void ev_timer_start (EV_P_ ev_timer *w);
570void ev_timer_stop (EV_P_ ev_timer *w); 695void ev_timer_stop (EV_P_ ev_timer *w);
571/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ 696/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
572void ev_timer_again (EV_P_ ev_timer *w); 697void ev_timer_again (EV_P_ ev_timer *w);
698/* return remaining time */
699ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w);
573 700
574#if EV_PERIODIC_ENABLE 701#if EV_PERIODIC_ENABLE
575void ev_periodic_start (EV_P_ ev_periodic *w); 702void ev_periodic_start (EV_P_ ev_periodic *w);
576void ev_periodic_stop (EV_P_ ev_periodic *w); 703void ev_periodic_stop (EV_P_ ev_periodic *w);
577void ev_periodic_again (EV_P_ ev_periodic *w); 704void ev_periodic_again (EV_P_ ev_periodic *w);
578#endif 705#endif
579 706
580/* only supported in the default loop */ 707/* only supported in the default loop */
708#if EV_SIGNAL_ENABLE
581void ev_signal_start (EV_P_ ev_signal *w); 709void ev_signal_start (EV_P_ ev_signal *w);
582void ev_signal_stop (EV_P_ ev_signal *w); 710void ev_signal_stop (EV_P_ ev_signal *w);
711#endif
583 712
584/* only supported in the default loop */ 713/* only supported in the default loop */
714# if EV_CHILD_ENABLE
585void ev_child_start (EV_P_ ev_child *w); 715void ev_child_start (EV_P_ ev_child *w);
586void ev_child_stop (EV_P_ ev_child *w); 716void ev_child_stop (EV_P_ ev_child *w);
717# endif
587 718
588# if EV_STAT_ENABLE 719# if EV_STAT_ENABLE
589void ev_stat_start (EV_P_ ev_stat *w); 720void ev_stat_start (EV_P_ ev_stat *w);
590void ev_stat_stop (EV_P_ ev_stat *w); 721void ev_stat_stop (EV_P_ ev_stat *w);
591void ev_stat_stat (EV_P_ ev_stat *w); 722void ev_stat_stat (EV_P_ ev_stat *w);
… …
594# if EV_IDLE_ENABLE 725# if EV_IDLE_ENABLE
595void ev_idle_start (EV_P_ ev_idle *w); 726void ev_idle_start (EV_P_ ev_idle *w);
596void ev_idle_stop (EV_P_ ev_idle *w); 727void ev_idle_stop (EV_P_ ev_idle *w);
597# endif 728# endif
598 729
730#if EV_PREPARE_ENABLE
599void ev_prepare_start (EV_P_ ev_prepare *w); 731void ev_prepare_start (EV_P_ ev_prepare *w);
600void ev_prepare_stop (EV_P_ ev_prepare *w); 732void ev_prepare_stop (EV_P_ ev_prepare *w);
733#endif
601 734
735#if EV_CHECK_ENABLE
602void ev_check_start (EV_P_ ev_check *w); 736void ev_check_start (EV_P_ ev_check *w);
603void ev_check_stop (EV_P_ ev_check *w); 737void ev_check_stop (EV_P_ ev_check *w);
738#endif
604 739
605# if EV_FORK_ENABLE 740# if EV_FORK_ENABLE
606void ev_fork_start (EV_P_ ev_fork *w); 741void ev_fork_start (EV_P_ ev_fork *w);
607void ev_fork_stop (EV_P_ ev_fork *w); 742void ev_fork_stop (EV_P_ ev_fork *w);
608# endif 743# endif
… …
618void ev_async_start (EV_P_ ev_async *w); 753void ev_async_start (EV_P_ ev_async *w);
619void ev_async_stop (EV_P_ ev_async *w); 754void ev_async_stop (EV_P_ ev_async *w);
620void ev_async_send (EV_P_ ev_async *w); 755void ev_async_send (EV_P_ ev_async *w);
621# endif 756# endif
622 757
758/* pre-4.0 compatibility */
759#ifndef EV_COMPAT3
760# define EV_COMPAT3 1
761#endif
762
763#if EV_COMPAT3
764 #define EVLOOP_NONBLOCK EVRUN_NOWAIT
765 #define EVLOOP_ONESHOT EVRUN_ONCE
766 #define EVUNLOOP_CANCEL EVBREAK_CANCEL
767 #define EVUNLOOP_ONE EVBREAK_ONE
768 #define EVUNLOOP_ALL EVBREAK_ALL
769 #if EV_PROTOTYPES
770 EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); }
771 EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); }
772 #if EV_FEATURE_API
773 EV_INLINE void ev_loop_count (EV_P) { ev_iteration (EV_A); }
774 EV_INLINE void ev_loop_depth (EV_P) { ev_depth (EV_A); }
775 EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); }
776 #endif
777 #endif
778#else
779 typedef struct ev_loop ev_loop;
780#endif
781
623#endif 782#endif
624 783
625#ifdef __cplusplus 784#ifdef __cplusplus
626} 785}
627#endif 786#endif

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