ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/libev/ev.h
(Generate patch)

Comparing libev/ev.h (file contents):
Revision 1.91 by root, Fri Jan 25 15:45:09 2008 UTC vs.
Revision 1.134 by root, Tue Mar 16 00:20:17 2010 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) 2007,2008,2009,2010 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
47typedef double ev_tstamp; 47/*****************************************************************************/
48
49#ifndef EV_FEATURES
50# define EV_FEATURES 0x3f
51#endif
52
53#define EV_FEATURE_CODE ((EV_FEATURES) & 1)
54#define EV_FEATURE_DATA ((EV_FEATURES) & 2)
55#define EV_FEATURE_API ((EV_FEATURES) & 4)
56#define EV_FEATURE_WATCHERS ((EV_FEATURES) & 8)
57#define EV_FEATURE_BACKENDS ((EV_FEATURES) & 16)
58#define EV_FEATURE_OS ((EV_FEATURES) & 32)
48 59
49/* these priorities are inclusive, higher priorities will be called earlier */ 60/* these priorities are inclusive, higher priorities will be called earlier */
50#ifndef EV_MINPRI 61#ifndef EV_MINPRI
51# define EV_MINPRI -2 62# define EV_MINPRI (EV_FEATURE_API ? -2 : 0)
52#endif 63#endif
53#ifndef EV_MAXPRI 64#ifndef EV_MAXPRI
54# define EV_MAXPRI +2 65# define EV_MAXPRI (EV_FEATURE_API ? +2 : 0)
55#endif 66#endif
56 67
57#ifndef EV_MULTIPLICITY 68#ifndef EV_MULTIPLICITY
58# define EV_MULTIPLICITY 1 69# define EV_MULTIPLICITY EV_FEATURE_API
59#endif 70#endif
60 71
61#ifndef EV_PERIODIC_ENABLE 72#ifndef EV_PERIODIC_ENABLE
62# define EV_PERIODIC_ENABLE 1 73# define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS
63#endif 74#endif
64 75
65#ifndef EV_STAT_ENABLE 76#ifndef EV_STAT_ENABLE
66# define EV_STAT_ENABLE 1 77# define EV_STAT_ENABLE EV_FEATURE_WATCHERS
78#endif
79
80#ifndef EV_PREPARE_ENABLE
81# define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS
82#endif
83
84#ifndef EV_CHECK_ENABLE
85# define EV_CHECK_ENABLE EV_FEATURE_WATCHERS
67#endif 86#endif
68 87
69#ifndef EV_IDLE_ENABLE 88#ifndef EV_IDLE_ENABLE
70# define EV_IDLE_ENABLE 1 89# define EV_IDLE_ENABLE EV_FEATURE_WATCHERS
71#endif 90#endif
72 91
73#ifndef EV_FORK_ENABLE 92#ifndef EV_FORK_ENABLE
93# define EV_FORK_ENABLE EV_FEATURE_WATCHERS
94#endif
95
96#ifndef EV_SIGNAL_ENABLE
97# define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS
98#endif
99
100#ifndef EV_CHILD_ENABLE
101# ifdef _WIN32
74# define EV_FORK_ENABLE 1 102# define EV_CHILD_ENABLE 0
103# else
104# define EV_CHILD_ENABLE EV_FEATURE_WATCHERS
105#endif
106#endif
107
108#ifndef EV_ASYNC_ENABLE
109# define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS
75#endif 110#endif
76 111
77#ifndef EV_EMBED_ENABLE 112#ifndef EV_EMBED_ENABLE
78# define EV_EMBED_ENABLE 1 113# define EV_EMBED_ENABLE EV_FEATURE_WATCHERS
114#endif
115
116#ifndef EV_WALK_ENABLE
117# define EV_WALK_ENABLE 0 /* not yet */
79#endif 118#endif
80 119
81/*****************************************************************************/ 120/*****************************************************************************/
82 121
122#if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE
123# undef EV_SIGNAL_ENABLE
124# define EV_SIGNAL_ENABLE 1
125#endif
126
127/*****************************************************************************/
128
129#if !EV_FEATURE_CODE && !defined (NDEBUG)
130# define NDEBUG 1
131# include <assert.h>
132#endif
133
134typedef double ev_tstamp;
135
136#ifndef EV_ATOMIC_T
137# include <signal.h>
138# define EV_ATOMIC_T sig_atomic_t volatile
139#endif
140
83#if EV_STAT_ENABLE 141#if EV_STAT_ENABLE
142# ifdef _WIN32
143# include <time.h>
144# include <sys/types.h>
145# endif
84# include <sys/stat.h> 146# include <sys/stat.h>
85#endif 147#endif
86 148
87/* support multiple event loops? */ 149/* support multiple event loops? */
88#if EV_MULTIPLICITY 150#if EV_MULTIPLICITY
89struct ev_loop; 151struct ev_loop;
90# define EV_P struct ev_loop *loop 152# define EV_P struct ev_loop *loop
91# define EV_P_ EV_P, 153# define EV_P_ EV_P,
92# define EV_A loop 154# define EV_A loop
93# define EV_A_ EV_A, 155# define EV_A_ EV_A,
156# define EV_DEFAULT_UC ev_default_loop_uc ()
157# define EV_DEFAULT_UC_ EV_DEFAULT_UC,
94# define EV_DEFAULT ev_default_loop (0) 158# define EV_DEFAULT ev_default_loop (0)
95# define EV_DEFAULT_ EV_DEFAULT, 159# define EV_DEFAULT_ EV_DEFAULT,
96#else 160#else
97# define EV_P void 161# define EV_P void
98# define EV_P_ 162# define EV_P_
99# define EV_A 163# define EV_A
100# define EV_A_ 164# define EV_A_
101# define EV_DEFAULT 165# define EV_DEFAULT
102# define EV_DEFAULT_ 166# define EV_DEFAULT_
103 167# define EV_DEFAULT_UC
168# define EV_DEFAULT_UC_
104# undef EV_EMBED_ENABLE 169# undef EV_EMBED_ENABLE
105#endif 170#endif
106 171
172#if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3
173# define EV_INLINE static inline
174#else
175# define EV_INLINE static
176#endif
177
178/*****************************************************************************/
179
107/* eventmask, revents, events... */ 180/* eventmask, revents, events... */
108#define EV_UNDEF -1L /* guaranteed to be invalid */ 181#define EV_UNDEF -1 /* guaranteed to be invalid */
109#define EV_NONE 0x00L /* no events */ 182#define EV_NONE 0x00 /* no events */
110#define EV_READ 0x01L /* ev_io detected read will not block */ 183#define EV_READ 0x01 /* ev_io detected read will not block */
111#define EV_WRITE 0x02L /* ev_io detected write will not block */ 184#define EV_WRITE 0x02 /* ev_io detected write will not block */
112#define EV_IOFDSET 0x80L /* internal use only */ 185#define EV__IOFDSET 0x80 /* internal use only */
186#define EV_IO EV_READ /* alias for type-detection */
113#define EV_TIMEOUT 0x00000100L /* timer timed out */ 187#define EV_TIMEOUT 0x00000100 /* timer timed out */
188#define EV_TIMER EV_TIMEOUT /* alias for type-detection */
114#define EV_PERIODIC 0x00000200L /* periodic timer timed out */ 189#define EV_PERIODIC 0x00000200 /* periodic timer timed out */
115#define EV_SIGNAL 0x00000400L /* signal was received */ 190#define EV_SIGNAL 0x00000400 /* signal was received */
116#define EV_CHILD 0x00000800L /* child/pid had status change */ 191#define EV_CHILD 0x00000800 /* child/pid had status change */
117#define EV_STAT 0x00001000L /* stat data changed */ 192#define EV_STAT 0x00001000 /* stat data changed */
118#define EV_IDLE 0x00002000L /* event loop is idling */ 193#define EV_IDLE 0x00002000 /* event loop is idling */
119#define EV_PREPARE 0x00004000L /* event loop about to poll */ 194#define EV_PREPARE 0x00004000 /* event loop about to poll */
120#define EV_CHECK 0x00008000L /* event loop finished poll */ 195#define EV_CHECK 0x00008000 /* event loop finished poll */
121#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */ 196#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */
122#define EV_FORK 0x00020000L /* event loop resumed in child */ 197#define EV_FORK 0x00020000 /* event loop resumed in child */
198#define EV_ASYNC 0x00040000 /* async intra-loop signal */
199#define EV_CUSTOM 0x01000000 /* for use by user code */
123#define EV_ERROR 0x80000000L /* sent when an error occurs */ 200#define EV_ERROR 0x80000000 /* sent when an error occurs */
124 201
125/* can be used to add custom fields to all watchers, while losing binary compatibility */ 202/* can be used to add custom fields to all watchers, while losing binary compatibility */
126#ifndef EV_COMMON 203#ifndef EV_COMMON
127# define EV_COMMON void *data; 204# define EV_COMMON void *data;
128#endif 205#endif
129#ifndef EV_PROTOTYPES 206#ifndef EV_PROTOTYPES
130# define EV_PROTOTYPES 1 207# define EV_PROTOTYPES 1
131#endif 208#endif
132 209
133#define EV_VERSION_MAJOR 3 210#define EV_VERSION_MAJOR 3
134#define EV_VERSION_MINOR 0 211#define EV_VERSION_MINOR 9
135 212
136#ifndef EV_CB_DECLARE 213#ifndef EV_CB_DECLARE
137# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); 214# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
138#endif 215#endif
139#ifndef EV_CB_INVOKE 216#ifndef EV_CB_INVOKE
140# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) 217# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
141#endif 218#endif
142 219
143/* 220/*
144 * struct member types: 221 * struct member types:
145 * private: you can look at them, but not change them, and they might not mean anything to you. 222 * private: you may look at them, but not change them,
223 * and they might not mean anything to you.
146 * ro: can be read anytime, but only changed when the watcher isn't active 224 * 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 225 * rw: can be read and modified anytime, even when the watcher is active.
226 *
227 * some internal details that might be helpful for debugging:
228 *
229 * active is either 0, which means the watcher is not active,
230 * or the array index of the watcher (periodics, timers)
231 * or the array index + 1 (most other watchers)
232 * or simply 1 for watchers that aren't in some array.
233 * pending is either 0, in which case the watcher isn't,
234 * or the array index + 1 in the pendings array.
148 */ 235 */
236
237#if EV_MINPRI == EV_MAXPRI
238# define EV_DECL_PRIORITY
239#else
240# define EV_DECL_PRIORITY int priority;
241#endif
149 242
150/* shared by all watchers */ 243/* shared by all watchers */
151#define EV_WATCHER(type) \ 244#define EV_WATCHER(type) \
152 int active; /* private */ \ 245 int active; /* private */ \
153 int pending; /* private */ \ 246 int pending; /* private */ \
154 int priority; /* private */ \ 247 EV_DECL_PRIORITY /* private */ \
155 EV_COMMON /* rw */ \ 248 EV_COMMON /* rw */ \
156 EV_CB_DECLARE (type) /* private */ 249 EV_CB_DECLARE (type) /* private */
157 250
158#define EV_WATCHER_LIST(type) \ 251#define EV_WATCHER_LIST(type) \
159 EV_WATCHER (type) \ 252 EV_WATCHER (type) \
… …
301 ev_prepare prepare; /* private */ 394 ev_prepare prepare; /* private */
302 ev_check check; /* unused */ 395 ev_check check; /* unused */
303 ev_timer timer; /* unused */ 396 ev_timer timer; /* unused */
304 ev_periodic periodic; /* unused */ 397 ev_periodic periodic; /* unused */
305 ev_idle idle; /* unused */ 398 ev_idle idle; /* unused */
306 ev_fork fork; /* unused */ 399 ev_fork fork; /* private */
307} ev_embed; 400} ev_embed;
401#endif
402
403#if EV_ASYNC_ENABLE
404/* invoked when somebody calls ev_async_send on the watcher */
405/* revent EV_ASYNC */
406typedef struct ev_async
407{
408 EV_WATCHER (ev_async)
409
410 EV_ATOMIC_T sent; /* private */
411} ev_async;
412
413# define ev_async_pending(w) (+(w)->sent)
308#endif 414#endif
309 415
310/* the presence of this union forces similar struct layout */ 416/* the presence of this union forces similar struct layout */
311union ev_any_watcher 417union ev_any_watcher
312{ 418{
… …
330 struct ev_fork fork; 436 struct ev_fork fork;
331#endif 437#endif
332#if EV_EMBED_ENABLE 438#if EV_EMBED_ENABLE
333 struct ev_embed embed; 439 struct ev_embed embed;
334#endif 440#endif
441#if EV_ASYNC_ENABLE
442 struct ev_async async;
443#endif
335}; 444};
336 445
337/* bits for ev_default_loop and ev_loop_new */ 446/* bits for ev_default_loop and ev_loop_new */
338/* the default */ 447/* the default */
339#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ 448#define EVFLAG_AUTO 0x00000000U /* not quite a mask */
340/* flag bits */ 449/* flag bits */
341#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ 450#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */
342#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */ 451#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */
452/* debugging/feature disable */
453#define EVFLAG_NOINOTIFY 0x00100000U /* do not attempt to use inotify */
454#define EVFLAG_NOSIGFD 0 /* compatibility to pre-3.9 */
455#define EVFLAG_SIGNALFD 0x00200000U /* attempt to use signalfd */
343/* method bits to be ored together */ 456/* method bits to be ored together */
344#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ 457#define EVBACKEND_SELECT 0x00000001U /* about anywhere */
345#define EVBACKEND_POLL 0x00000002UL /* !win */ 458#define EVBACKEND_POLL 0x00000002U /* !win */
346#define EVBACKEND_EPOLL 0x00000004UL /* linux */ 459#define EVBACKEND_EPOLL 0x00000004U /* linux */
347#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ 460#define EVBACKEND_KQUEUE 0x00000008U /* bsd */
348#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */ 461#define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 */ /* NYI */
349#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */ 462#define EVBACKEND_PORT 0x00000020U /* solaris 10 */
463#define EVBACKEND_ALL 0x0000003FU
350 464
351#if EV_PROTOTYPES 465#if EV_PROTOTYPES
352int ev_version_major (void); 466int ev_version_major (void);
353int ev_version_minor (void); 467int ev_version_minor (void);
354 468
… …
371 * retryable syscall error 485 * retryable syscall error
372 * (such as failed select, poll, epoll_wait) 486 * (such as failed select, poll, epoll_wait)
373 */ 487 */
374void ev_set_syserr_cb (void (*cb)(const char *msg)); 488void ev_set_syserr_cb (void (*cb)(const char *msg));
375 489
376# if EV_MULTIPLICITY 490#if EV_MULTIPLICITY
491EV_INLINE struct ev_loop *
492ev_default_loop_uc (void)
493{
494 extern struct ev_loop *ev_default_loop_ptr;
495
496 return ev_default_loop_ptr;
497}
498
377/* the default loop is the only one that handles signals and child watchers */ 499/* the default loop is the only one that handles signals and child watchers */
378/* you can call this as often as you like */ 500/* you can call this as often as you like */
379static struct ev_loop * 501EV_INLINE struct ev_loop *
380ev_default_loop (unsigned int flags) 502ev_default_loop (unsigned int flags)
381{ 503{
382 extern struct ev_loop *ev_default_loop_ptr; 504 struct ev_loop *loop = ev_default_loop_uc ();
505
506 if (!loop)
507 {
383 extern struct ev_loop *ev_default_loop_init (unsigned int flags); 508 extern struct ev_loop *ev_default_loop_init (unsigned int flags);
384 509
385 if (!ev_default_loop_ptr)
386 ev_default_loop_init (flags); 510 loop = ev_default_loop_init (flags);
511 }
387 512
388 return ev_default_loop_ptr; 513 return loop;
389} 514}
390 515
391/* create and destroy alternative loops that don't handle signals */ 516/* create and destroy alternative loops that don't handle signals */
392struct ev_loop *ev_loop_new (unsigned int flags); 517struct ev_loop *ev_loop_new (unsigned int flags);
393void ev_loop_destroy (EV_P); 518void ev_loop_destroy (EV_P);
394void ev_loop_fork (EV_P); 519void ev_loop_fork (EV_P);
395 520
396ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ 521ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
397 522
398# else 523#else
399 524
400int ev_default_loop (unsigned int flags); /* returns true when successful */ 525int ev_default_loop (unsigned int flags); /* returns true when successful */
401 526
402static ev_tstamp 527EV_INLINE ev_tstamp
403ev_now (void) 528ev_now (void)
404{ 529{
405 extern ev_tstamp ev_rt_now; 530 extern ev_tstamp ev_rt_now;
406 531
407 return ev_rt_now; 532 return ev_rt_now;
408} 533}
534#endif /* multiplicity */
535
536EV_INLINE int
537ev_is_default_loop (EV_P)
538{
539#if EV_MULTIPLICITY
540 extern struct ev_loop *ev_default_loop_ptr;
541
542 return !!(EV_A == ev_default_loop_ptr);
543#else
544 return 1;
409# endif 545#endif
546}
410 547
411void ev_default_destroy (void); /* destroy the default loop */ 548void ev_default_destroy (void); /* destroy the default loop */
412/* this needs to be called after fork, to duplicate the default loop */ 549/* this needs to be called after fork, to duplicate the default loop */
413/* if you create alternative loops you have to call ev_loop_fork on them */ 550/* if you create alternative loops you have to call ev_loop_fork on them */
414/* you can call it in either the parent or the child */ 551/* you can call it in either the parent or the child */
415/* you can actually call it at any time, anywhere :) */ 552/* you can actually call it at any time, anywhere :) */
416void ev_default_fork (void); 553void ev_default_fork (void);
417 554
418unsigned int ev_backend (EV_P); /* backend in use by loop */ 555unsigned int ev_backend (EV_P); /* backend in use by loop */
419unsigned int ev_loop_count (EV_P); /* number of loop iterations */ 556
557void ev_now_update (EV_P); /* update event loop time */
558
559#if EV_WALK_ENABLE
560/* walk (almost) all watchers in the loop of a given type, invoking the */
561/* callback on every such watcher. The callback might stop the watcher, */
562/* but do nothing else with the loop */
563void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w));
420#endif 564#endif
565
566#endif /* prototypes */
421 567
422#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 568#define EVLOOP_NONBLOCK 1 /* do not block/wait */
423#define EVLOOP_ONESHOT 2 /* block *once* only */ 569#define EVLOOP_ONESHOT 2 /* block *once* only */
424#define EVUNLOOP_CANCEL 0 /* undo unloop */ 570#define EVUNLOOP_CANCEL 0 /* undo unloop */
425#define EVUNLOOP_ONE 1 /* unloop once */ 571#define EVUNLOOP_ONE 1 /* unloop once */
… …
427 573
428#if EV_PROTOTYPES 574#if EV_PROTOTYPES
429void ev_loop (EV_P_ int flags); 575void ev_loop (EV_P_ int flags);
430void 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 */ 576void 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 */
431 577
432void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
433void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
434
435/* 578/*
436 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher 579 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
437 * keeps one reference. if you have a long-runing watcher you never unregister that 580 * keeps one reference. if you have a long-running watcher you never unregister that
438 * should not keep ev_loop from running, unref() after starting, and ref() before stopping. 581 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
439 */ 582 */
440void ev_ref (EV_P); 583void ev_ref (EV_P);
441void ev_unref (EV_P); 584void ev_unref (EV_P);
442 585
586/*
443/* convinience function, wait for a single event, without registering an event watcher */ 587 * convenience function, wait for a single event, without registering an event watcher
444/* if timeout is < 0, do wait indefinitely */ 588 * if timeout is < 0, do wait indefinitely
589 */
445void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 590void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
591
592# if EV_FEATURE_API
593unsigned int ev_loop_count (EV_P); /* number of loop iterations */
594unsigned int ev_loop_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */
595void ev_loop_verify (EV_P); /* abort if loop data corrupted */
596
597void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
598void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
599
600/* advanced stuff for threading etc. support, see docs */
601void ev_set_userdata (EV_P_ void *data);
602void *ev_userdata (EV_P);
603void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P));
604void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P));
605
606unsigned int ev_pending_count (EV_P); /* number of pending events, if any */
607void ev_invoke_pending (EV_P); /* invoke all pending watchers */
608
609/*
610 * stop/start the timer handling.
611 */
612void ev_suspend (EV_P);
613void ev_resume (EV_P);
614#endif
615
446#endif 616#endif
447 617
448/* these may evaluate ev multiple times, and the other arguments at most once */ 618/* these may evaluate ev multiple times, and the other arguments at most once */
449/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 619/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
450#define ev_init(ev,cb_) do { \ 620#define ev_init(ev,cb_) do { \
451 ((ev_watcher *)(void *)(ev))->active = \ 621 ((ev_watcher *)(void *)(ev))->active = \
452 ((ev_watcher *)(void *)(ev))->pending = \ 622 ((ev_watcher *)(void *)(ev))->pending = 0; \
453 ((ev_watcher *)(void *)(ev))->priority = 0; \ 623 ev_set_priority ((ev), 0); \
454 ev_set_cb ((ev), cb_); \ 624 ev_set_cb ((ev), cb_); \
455} while (0) 625} while (0)
456 626
457#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0) 627#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0)
458#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 628#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
459#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) 629#define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0)
460#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 630#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
461#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) 631#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
462#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) 632#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
463#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 633#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
464#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 634#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
465#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 635#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
466#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) 636#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
467#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ 637#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
638#define ev_async_set(ev) do { (ev)->sent = 0; } while (0)
468 639
469#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 640#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
470#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 641#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
471#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) 642#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
472#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) 643#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
473#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0) 644#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
474#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) 645#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
475#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) 646#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
476#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) 647#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
477#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) 648#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
478#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) 649#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
479#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) 650#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
651#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
480 652
481#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 653#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
482#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 654#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
483 655
484#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
485#define ev_cb(ev) (ev)->cb /* rw */ 656#define ev_cb(ev) (ev)->cb /* rw */
657
658#if EV_MINPRI == EV_MAXPRI
659# define ev_priority(ev) ((ev), EV_MINPRI)
660# define ev_set_priority(ev,pri) ((ev), (pri))
661#else
662# define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority))
486#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri) 663# define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri)
664#endif
665
666#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
487 667
488#ifndef ev_set_cb 668#ifndef ev_set_cb
489# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 669# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
490#endif 670#endif
491 671
492/* stopping (enabling, adding) a watcher does nothing if it is already running */ 672/* stopping (enabling, adding) a watcher does nothing if it is already running */
493/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 673/* stopping (disabling, deleting) a watcher does nothing unless its already running */
494#if EV_PROTOTYPES 674#if EV_PROTOTYPES
495 675
496/* feeds an event into a watcher as if the event actually occured */ 676/* feeds an event into a watcher as if the event actually occured */
497/* accepts any ev_watcher type */ 677/* accepts any ev_watcher type */
498void ev_feed_event (EV_P_ void *w, int revents); 678void ev_feed_event (EV_P_ void *w, int revents);
499void ev_feed_fd_event (EV_P_ int fd, int revents); 679void ev_feed_fd_event (EV_P_ int fd, int revents);
680#if EV_SIGNAL_ENABLE
500void ev_feed_signal_event (EV_P_ int signum); 681void ev_feed_signal_event (EV_P_ int signum);
682#endif
501void ev_invoke (EV_P_ void *w, int revents); 683void ev_invoke (EV_P_ void *w, int revents);
502int ev_clear_pending (EV_P_ void *w); 684int ev_clear_pending (EV_P_ void *w);
503 685
504void ev_io_start (EV_P_ ev_io *w); 686void ev_io_start (EV_P_ ev_io *w);
505void ev_io_stop (EV_P_ ev_io *w); 687void ev_io_stop (EV_P_ ev_io *w);
506 688
507void ev_timer_start (EV_P_ ev_timer *w); 689void ev_timer_start (EV_P_ ev_timer *w);
508void ev_timer_stop (EV_P_ ev_timer *w); 690void ev_timer_stop (EV_P_ ev_timer *w);
509/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ 691/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
510void ev_timer_again (EV_P_ ev_timer *w); 692void ev_timer_again (EV_P_ ev_timer *w);
693/* return remaining time */
694ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w);
511 695
512#if EV_PERIODIC_ENABLE 696#if EV_PERIODIC_ENABLE
513void ev_periodic_start (EV_P_ ev_periodic *w); 697void ev_periodic_start (EV_P_ ev_periodic *w);
514void ev_periodic_stop (EV_P_ ev_periodic *w); 698void ev_periodic_stop (EV_P_ ev_periodic *w);
515void ev_periodic_again (EV_P_ ev_periodic *w); 699void ev_periodic_again (EV_P_ ev_periodic *w);
516#endif 700#endif
517 701
518/* only supported in the default loop */ 702/* only supported in the default loop */
703#if EV_SIGNAL_ENABLE
519void ev_signal_start (EV_P_ ev_signal *w); 704void ev_signal_start (EV_P_ ev_signal *w);
520void ev_signal_stop (EV_P_ ev_signal *w); 705void ev_signal_stop (EV_P_ ev_signal *w);
706#endif
521 707
522/* only supported in the default loop */ 708/* only supported in the default loop */
709# if EV_CHILD_ENABLE
523void ev_child_start (EV_P_ ev_child *w); 710void ev_child_start (EV_P_ ev_child *w);
524void ev_child_stop (EV_P_ ev_child *w); 711void ev_child_stop (EV_P_ ev_child *w);
712# endif
525 713
526# if EV_STAT_ENABLE 714# if EV_STAT_ENABLE
527void ev_stat_start (EV_P_ ev_stat *w); 715void ev_stat_start (EV_P_ ev_stat *w);
528void ev_stat_stop (EV_P_ ev_stat *w); 716void ev_stat_stop (EV_P_ ev_stat *w);
529void ev_stat_stat (EV_P_ ev_stat *w); 717void ev_stat_stat (EV_P_ ev_stat *w);
… …
532# if EV_IDLE_ENABLE 720# if EV_IDLE_ENABLE
533void ev_idle_start (EV_P_ ev_idle *w); 721void ev_idle_start (EV_P_ ev_idle *w);
534void ev_idle_stop (EV_P_ ev_idle *w); 722void ev_idle_stop (EV_P_ ev_idle *w);
535# endif 723# endif
536 724
725#if EV_PREPARE_ENABLE
537void ev_prepare_start (EV_P_ ev_prepare *w); 726void ev_prepare_start (EV_P_ ev_prepare *w);
538void ev_prepare_stop (EV_P_ ev_prepare *w); 727void ev_prepare_stop (EV_P_ ev_prepare *w);
728#endif
539 729
730#if EV_CHECK_ENABLE
540void ev_check_start (EV_P_ ev_check *w); 731void ev_check_start (EV_P_ ev_check *w);
541void ev_check_stop (EV_P_ ev_check *w); 732void ev_check_stop (EV_P_ ev_check *w);
733#endif
542 734
543# if EV_FORK_ENABLE 735# if EV_FORK_ENABLE
544void ev_fork_start (EV_P_ ev_fork *w); 736void ev_fork_start (EV_P_ ev_fork *w);
545void ev_fork_stop (EV_P_ ev_fork *w); 737void ev_fork_stop (EV_P_ ev_fork *w);
546# endif 738# endif
… …
550void ev_embed_start (EV_P_ ev_embed *w); 742void ev_embed_start (EV_P_ ev_embed *w);
551void ev_embed_stop (EV_P_ ev_embed *w); 743void ev_embed_stop (EV_P_ ev_embed *w);
552void ev_embed_sweep (EV_P_ ev_embed *w); 744void ev_embed_sweep (EV_P_ ev_embed *w);
553# endif 745# endif
554 746
747# if EV_ASYNC_ENABLE
748void ev_async_start (EV_P_ ev_async *w);
749void ev_async_stop (EV_P_ ev_async *w);
750void ev_async_send (EV_P_ ev_async *w);
751# endif
752
555#endif 753#endif
556 754
557#ifdef __cplusplus 755#ifdef __cplusplus
558} 756}
559#endif 757#endif

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines