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Comparing libev/ev.h (file contents):
Revision 1.101 by root, Wed May 21 23:25:21 2008 UTC vs.
Revision 1.135 by root, Tue Mar 16 00:26:41 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
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
79#endif 114#endif
80 115
81#ifndef EV_ASYNC_ENABLE 116#ifndef EV_WALK_ENABLE
117# define EV_WALK_ENABLE 0 /* not yet */
118#endif
119
120/*****************************************************************************/
121
122#if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE
123# undef EV_SIGNAL_ENABLE
82# define EV_ASYNC_ENABLE 1 124# define EV_SIGNAL_ENABLE 1
83#endif 125#endif
126
127/*****************************************************************************/
128
129typedef double ev_tstamp;
84 130
85#ifndef EV_ATOMIC_T 131#ifndef EV_ATOMIC_T
86# include <signal.h> 132# include <signal.h>
87# define EV_ATOMIC_T sig_atomic_t volatile 133# define EV_ATOMIC_T sig_atomic_t volatile
88#endif 134#endif
89 135
90/*****************************************************************************/
91
92#if EV_STAT_ENABLE 136#if EV_STAT_ENABLE
137# ifdef _WIN32
138# include <time.h>
139# include <sys/types.h>
140# endif
93# include <sys/stat.h> 141# include <sys/stat.h>
94#endif 142#endif
95 143
96/* support multiple event loops? */ 144/* support multiple event loops? */
97#if EV_MULTIPLICITY 145#if EV_MULTIPLICITY
… …
127/* eventmask, revents, events... */ 175/* eventmask, revents, events... */
128#define EV_UNDEF -1 /* guaranteed to be invalid */ 176#define EV_UNDEF -1 /* guaranteed to be invalid */
129#define EV_NONE 0x00 /* no events */ 177#define EV_NONE 0x00 /* no events */
130#define EV_READ 0x01 /* ev_io detected read will not block */ 178#define EV_READ 0x01 /* ev_io detected read will not block */
131#define EV_WRITE 0x02 /* ev_io detected write will not block */ 179#define EV_WRITE 0x02 /* ev_io detected write will not block */
132#define EV_IOFDSET 0x80 /* internal use only */ 180#define EV__IOFDSET 0x80 /* internal use only */
181#define EV_IO EV_READ /* alias for type-detection */
133#define EV_TIMEOUT 0x00000100 /* timer timed out */ 182#define EV_TIMEOUT 0x00000100 /* timer timed out */
183#define EV_TIMER EV_TIMEOUT /* alias for type-detection */
134#define EV_PERIODIC 0x00000200 /* periodic timer timed out */ 184#define EV_PERIODIC 0x00000200 /* periodic timer timed out */
135#define EV_SIGNAL 0x00000400 /* signal was received */ 185#define EV_SIGNAL 0x00000400 /* signal was received */
136#define EV_CHILD 0x00000800 /* child/pid had status change */ 186#define EV_CHILD 0x00000800 /* child/pid had status change */
137#define EV_STAT 0x00001000 /* stat data changed */ 187#define EV_STAT 0x00001000 /* stat data changed */
138#define EV_IDLE 0x00002000 /* event loop is idling */ 188#define EV_IDLE 0x00002000 /* event loop is idling */
139#define EV_PREPARE 0x00004000 /* event loop about to poll */ 189#define EV_PREPARE 0x00004000 /* event loop about to poll */
140#define EV_CHECK 0x00008000 /* event loop finished poll */ 190#define EV_CHECK 0x00008000 /* event loop finished poll */
141#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */ 191#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */
142#define EV_FORK 0x00020000 /* event loop resumed in child */ 192#define EV_FORK 0x00020000 /* event loop resumed in child */
143#define EV_ASYNC 0x00040000 /* async intra-loop signal */ 193#define EV_ASYNC 0x00040000 /* async intra-loop signal */
194#define EV_CUSTOM 0x01000000 /* for use by user code */
144#define EV_ERROR 0x80000000 /* sent when an error occurs */ 195#define EV_ERROR 0x80000000 /* sent when an error occurs */
145 196
146/* can be used to add custom fields to all watchers, while losing binary compatibility */ 197/* can be used to add custom fields to all watchers, while losing binary compatibility */
147#ifndef EV_COMMON 198#ifndef EV_COMMON
148# define EV_COMMON void *data; 199# define EV_COMMON void *data;
… …
150#ifndef EV_PROTOTYPES 201#ifndef EV_PROTOTYPES
151# define EV_PROTOTYPES 1 202# define EV_PROTOTYPES 1
152#endif 203#endif
153 204
154#define EV_VERSION_MAJOR 3 205#define EV_VERSION_MAJOR 3
155#define EV_VERSION_MINOR 0 206#define EV_VERSION_MINOR 9
156 207
157#ifndef EV_CB_DECLARE 208#ifndef EV_CB_DECLARE
158# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); 209# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
159#endif 210#endif
160#ifndef EV_CB_INVOKE 211#ifndef EV_CB_INVOKE
161# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) 212# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
162#endif 213#endif
163 214
164/* 215/*
165 * struct member types: 216 * struct member types:
166 * private: you can look at them, but not change them, and they might not mean anything to you. 217 * private: you may look at them, but not change them,
218 * and they might not mean anything to you.
167 * ro: can be read anytime, but only changed when the watcher isn't active 219 * 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 220 * rw: can be read and modified anytime, even when the watcher is active.
169 * 221 *
170 * some internal details that might be helpful for debugging: 222 * some internal details that might be helpful for debugging:
171 * 223 *
172 * active is either 0, which means the watcher is not active, 224 * active is either 0, which means the watcher is not active,
173 * or the array index of the watcher (periodics, timers) 225 * or the array index of the watcher (periodics, timers)
174 * or the array index + 1 (most other watchers) 226 * or the array index + 1 (most other watchers)
175 * or simply 1 for watchers that aren't in some array. 227 * or simply 1 for watchers that aren't in some array.
176 * pending is either 0, in which case the watcher isn't, 228 * pending is either 0, in which case the watcher isn't,
177 * or the array index + 1 in the pendings array. 229 * or the array index + 1 in the pendings array.
178 */ 230 */
231
232#if EV_MINPRI == EV_MAXPRI
233# define EV_DECL_PRIORITY
234#else
235# define EV_DECL_PRIORITY int priority;
236#endif
179 237
180/* shared by all watchers */ 238/* shared by all watchers */
181#define EV_WATCHER(type) \ 239#define EV_WATCHER(type) \
182 int active; /* private */ \ 240 int active; /* private */ \
183 int pending; /* private */ \ 241 int pending; /* private */ \
184 int priority; /* private */ \ 242 EV_DECL_PRIORITY /* private */ \
185 EV_COMMON /* rw */ \ 243 EV_COMMON /* rw */ \
186 EV_CB_DECLARE (type) /* private */ 244 EV_CB_DECLARE (type) /* private */
187 245
188#define EV_WATCHER_LIST(type) \ 246#define EV_WATCHER_LIST(type) \
189 EV_WATCHER (type) \ 247 EV_WATCHER (type) \
… …
331 ev_prepare prepare; /* private */ 389 ev_prepare prepare; /* private */
332 ev_check check; /* unused */ 390 ev_check check; /* unused */
333 ev_timer timer; /* unused */ 391 ev_timer timer; /* unused */
334 ev_periodic periodic; /* unused */ 392 ev_periodic periodic; /* unused */
335 ev_idle idle; /* unused */ 393 ev_idle idle; /* unused */
336 ev_fork fork; /* unused */ 394 ev_fork fork; /* private */
337} ev_embed; 395} ev_embed;
338#endif 396#endif
339 397
340#if EV_ASYNC_ENABLE 398#if EV_ASYNC_ENABLE
341/* invoked when somebody calls ev_async_send on the watcher */ 399/* invoked when somebody calls ev_async_send on the watcher */
… …
345 EV_WATCHER (ev_async) 403 EV_WATCHER (ev_async)
346 404
347 EV_ATOMIC_T sent; /* private */ 405 EV_ATOMIC_T sent; /* private */
348} ev_async; 406} ev_async;
349 407
350# define ev_async_pending(w) ((w)->sent + 0) 408# define ev_async_pending(w) (+(w)->sent)
351#endif 409#endif
352 410
353/* the presence of this union forces similar struct layout */ 411/* the presence of this union forces similar struct layout */
354union ev_any_watcher 412union ev_any_watcher
355{ 413{
… …
384/* the default */ 442/* the default */
385#define EVFLAG_AUTO 0x00000000U /* not quite a mask */ 443#define EVFLAG_AUTO 0x00000000U /* not quite a mask */
386/* flag bits */ 444/* flag bits */
387#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */ 445#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */
388#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */ 446#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */
447/* debugging/feature disable */
448#define EVFLAG_NOINOTIFY 0x00100000U /* do not attempt to use inotify */
449#define EVFLAG_NOSIGFD 0 /* compatibility to pre-3.9 */
450#define EVFLAG_SIGNALFD 0x00200000U /* attempt to use signalfd */
389/* method bits to be ored together */ 451/* method bits to be ored together */
390#define EVBACKEND_SELECT 0x00000001U /* about anywhere */ 452#define EVBACKEND_SELECT 0x00000001U /* about anywhere */
391#define EVBACKEND_POLL 0x00000002U /* !win */ 453#define EVBACKEND_POLL 0x00000002U /* !win */
392#define EVBACKEND_EPOLL 0x00000004U /* linux */ 454#define EVBACKEND_EPOLL 0x00000004U /* linux */
393#define EVBACKEND_KQUEUE 0x00000008U /* bsd */ 455#define EVBACKEND_KQUEUE 0x00000008U /* bsd */
394#define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 */ /* NYI */ 456#define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 */ /* NYI */
395#define EVBACKEND_PORT 0x00000020U /* solaris 10 */ 457#define EVBACKEND_PORT 0x00000020U /* solaris 10 */
458#define EVBACKEND_ALL 0x0000003FU
396 459
397#if EV_PROTOTYPES 460#if EV_PROTOTYPES
398int ev_version_major (void); 461int ev_version_major (void);
399int ev_version_minor (void); 462int ev_version_minor (void);
400 463
… …
417 * retryable syscall error 480 * retryable syscall error
418 * (such as failed select, poll, epoll_wait) 481 * (such as failed select, poll, epoll_wait)
419 */ 482 */
420void ev_set_syserr_cb (void (*cb)(const char *msg)); 483void ev_set_syserr_cb (void (*cb)(const char *msg));
421 484
422# if EV_MULTIPLICITY 485#if EV_MULTIPLICITY
423EV_INLINE struct ev_loop * 486EV_INLINE struct ev_loop *
424ev_default_loop_uc (void) 487ev_default_loop_uc (void)
425{ 488{
426 extern struct ev_loop *ev_default_loop_ptr; 489 extern struct ev_loop *ev_default_loop_ptr;
427 490
… …
450void ev_loop_destroy (EV_P); 513void ev_loop_destroy (EV_P);
451void ev_loop_fork (EV_P); 514void ev_loop_fork (EV_P);
452 515
453ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ 516ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
454 517
455# else 518#else
456 519
457int ev_default_loop (unsigned int flags); /* returns true when successful */ 520int ev_default_loop (unsigned int flags); /* returns true when successful */
458 521
459EV_INLINE ev_tstamp 522EV_INLINE ev_tstamp
460ev_now (void) 523ev_now (void)
461{ 524{
462 extern ev_tstamp ev_rt_now; 525 extern ev_tstamp ev_rt_now;
463 526
464 return ev_rt_now; 527 return ev_rt_now;
465} 528}
466# endif 529#endif /* multiplicity */
467 530
468EV_INLINE int 531EV_INLINE int
469ev_is_default_loop (EV_P) 532ev_is_default_loop (EV_P)
470{ 533{
471#if EV_MULTIPLICITY 534#if EV_MULTIPLICITY
… …
482/* if you create alternative loops you have to call ev_loop_fork on them */ 545/* if you create alternative loops you have to call ev_loop_fork on them */
483/* you can call it in either the parent or the child */ 546/* you can call it in either the parent or the child */
484/* you can actually call it at any time, anywhere :) */ 547/* you can actually call it at any time, anywhere :) */
485void ev_default_fork (void); 548void ev_default_fork (void);
486 549
487unsigned int ev_backend (EV_P); /* backend in use by loop */ 550unsigned int ev_backend (EV_P); /* backend in use by loop */
488unsigned int ev_loop_count (EV_P); /* number of loop iterations */ 551
552void ev_now_update (EV_P); /* update event loop time */
553
554#if EV_WALK_ENABLE
555/* walk (almost) all watchers in the loop of a given type, invoking the */
556/* callback on every such watcher. The callback might stop the watcher, */
557/* but do nothing else with the loop */
558void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w));
489#endif 559#endif
560
561#endif /* prototypes */
490 562
491#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 563#define EVLOOP_NONBLOCK 1 /* do not block/wait */
492#define EVLOOP_ONESHOT 2 /* block *once* only */ 564#define EVLOOP_ONESHOT 2 /* block *once* only */
493#define EVUNLOOP_CANCEL 0 /* undo unloop */ 565#define EVUNLOOP_CANCEL 0 /* undo unloop */
494#define EVUNLOOP_ONE 1 /* unloop once */ 566#define EVUNLOOP_ONE 1 /* unloop once */
… …
496 568
497#if EV_PROTOTYPES 569#if EV_PROTOTYPES
498void ev_loop (EV_P_ int flags); 570void ev_loop (EV_P_ int flags);
499void 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 */ 571void 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 */
500 572
501void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
502void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
503
504/* 573/*
505 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher 574 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
506 * keeps one reference. if you have a long-runing watcher you never unregister that 575 * keeps one reference. if you have a long-running watcher you never unregister that
507 * should not keep ev_loop from running, unref() after starting, and ref() before stopping. 576 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
508 */ 577 */
509void ev_ref (EV_P); 578void ev_ref (EV_P);
510void ev_unref (EV_P); 579void ev_unref (EV_P);
511 580
581/*
512/* convinience function, wait for a single event, without registering an event watcher */ 582 * convenience function, wait for a single event, without registering an event watcher
513/* if timeout is < 0, do wait indefinitely */ 583 * if timeout is < 0, do wait indefinitely
584 */
514void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 585void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
586
587# if EV_FEATURE_API
588unsigned int ev_loop_count (EV_P); /* number of loop iterations */
589unsigned int ev_loop_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */
590void ev_loop_verify (EV_P); /* abort if loop data corrupted */
591
592void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
593void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
594
595/* advanced stuff for threading etc. support, see docs */
596void ev_set_userdata (EV_P_ void *data);
597void *ev_userdata (EV_P);
598void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P));
599void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P));
600
601unsigned int ev_pending_count (EV_P); /* number of pending events, if any */
602void ev_invoke_pending (EV_P); /* invoke all pending watchers */
603
604/*
605 * stop/start the timer handling.
606 */
607void ev_suspend (EV_P);
608void ev_resume (EV_P);
609#endif
610
515#endif 611#endif
516 612
517/* these may evaluate ev multiple times, and the other arguments at most once */ 613/* these may evaluate ev multiple times, and the other arguments at most once */
518/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 614/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
519#define ev_init(ev,cb_) do { \ 615#define ev_init(ev,cb_) do { \
520 ((ev_watcher *)(void *)(ev))->active = \ 616 ((ev_watcher *)(void *)(ev))->active = \
521 ((ev_watcher *)(void *)(ev))->pending = \ 617 ((ev_watcher *)(void *)(ev))->pending = 0; \
522 ((ev_watcher *)(void *)(ev))->priority = 0; \ 618 ev_set_priority ((ev), 0); \
523 ev_set_cb ((ev), cb_); \ 619 ev_set_cb ((ev), cb_); \
524} while (0) 620} while (0)
525 621
526#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0) 622#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0)
527#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) 623#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
528#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) 624#define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0)
529#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 625#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
530#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) 626#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
531#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) 627#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
532#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 628#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
533#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 629#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
534#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 630#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
535#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) 631#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
536#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ 632#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
537#define ev_async_set(ev) do { (ev)->sent = 0; } while (0) 633#define ev_async_set(ev) do { (ev)->sent = 0; } while (0)
538 634
539#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 635#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
540#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 636#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
541#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) 637#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
542#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) 638#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
543#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0) 639#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
544#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) 640#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
545#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) 641#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
546#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) 642#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
547#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) 643#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
548#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) 644#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
549#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) 645#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
550#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) 646#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
551 647
552#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 648#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
553#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 649#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
554 650
555#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
556#define ev_cb(ev) (ev)->cb /* rw */ 651#define ev_cb(ev) (ev)->cb /* rw */
652
653#if EV_MINPRI == EV_MAXPRI
654# define ev_priority(ev) ((ev), EV_MINPRI)
655# define ev_set_priority(ev,pri) ((ev), (pri))
656#else
657# define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority))
557#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri) 658# define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri)
659#endif
558 660
559#define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.) 661#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
560 662
561#ifndef ev_set_cb 663#ifndef ev_set_cb
562# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 664# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
563#endif 665#endif
564 666
565/* stopping (enabling, adding) a watcher does nothing if it is already running */ 667/* stopping (enabling, adding) a watcher does nothing if it is already running */
566/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 668/* stopping (disabling, deleting) a watcher does nothing unless its already running */
567#if EV_PROTOTYPES 669#if EV_PROTOTYPES
568 670
569/* feeds an event into a watcher as if the event actually occured */ 671/* feeds an event into a watcher as if the event actually occured */
570/* accepts any ev_watcher type */ 672/* accepts any ev_watcher type */
571void ev_feed_event (EV_P_ void *w, int revents); 673void ev_feed_event (EV_P_ void *w, int revents);
572void ev_feed_fd_event (EV_P_ int fd, int revents); 674void ev_feed_fd_event (EV_P_ int fd, int revents);
675#if EV_SIGNAL_ENABLE
573void ev_feed_signal_event (EV_P_ int signum); 676void ev_feed_signal_event (EV_P_ int signum);
677#endif
574void ev_invoke (EV_P_ void *w, int revents); 678void ev_invoke (EV_P_ void *w, int revents);
575int ev_clear_pending (EV_P_ void *w); 679int ev_clear_pending (EV_P_ void *w);
576 680
577void ev_io_start (EV_P_ ev_io *w); 681void ev_io_start (EV_P_ ev_io *w);
578void ev_io_stop (EV_P_ ev_io *w); 682void ev_io_stop (EV_P_ ev_io *w);
579 683
580void ev_timer_start (EV_P_ ev_timer *w); 684void ev_timer_start (EV_P_ ev_timer *w);
581void ev_timer_stop (EV_P_ ev_timer *w); 685void ev_timer_stop (EV_P_ ev_timer *w);
582/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ 686/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
583void ev_timer_again (EV_P_ ev_timer *w); 687void ev_timer_again (EV_P_ ev_timer *w);
688/* return remaining time */
689ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w);
584 690
585#if EV_PERIODIC_ENABLE 691#if EV_PERIODIC_ENABLE
586void ev_periodic_start (EV_P_ ev_periodic *w); 692void ev_periodic_start (EV_P_ ev_periodic *w);
587void ev_periodic_stop (EV_P_ ev_periodic *w); 693void ev_periodic_stop (EV_P_ ev_periodic *w);
588void ev_periodic_again (EV_P_ ev_periodic *w); 694void ev_periodic_again (EV_P_ ev_periodic *w);
589#endif 695#endif
590 696
591/* only supported in the default loop */ 697/* only supported in the default loop */
698#if EV_SIGNAL_ENABLE
592void ev_signal_start (EV_P_ ev_signal *w); 699void ev_signal_start (EV_P_ ev_signal *w);
593void ev_signal_stop (EV_P_ ev_signal *w); 700void ev_signal_stop (EV_P_ ev_signal *w);
701#endif
594 702
595/* only supported in the default loop */ 703/* only supported in the default loop */
704# if EV_CHILD_ENABLE
596void ev_child_start (EV_P_ ev_child *w); 705void ev_child_start (EV_P_ ev_child *w);
597void ev_child_stop (EV_P_ ev_child *w); 706void ev_child_stop (EV_P_ ev_child *w);
707# endif
598 708
599# if EV_STAT_ENABLE 709# if EV_STAT_ENABLE
600void ev_stat_start (EV_P_ ev_stat *w); 710void ev_stat_start (EV_P_ ev_stat *w);
601void ev_stat_stop (EV_P_ ev_stat *w); 711void ev_stat_stop (EV_P_ ev_stat *w);
602void ev_stat_stat (EV_P_ ev_stat *w); 712void ev_stat_stat (EV_P_ ev_stat *w);
… …
605# if EV_IDLE_ENABLE 715# if EV_IDLE_ENABLE
606void ev_idle_start (EV_P_ ev_idle *w); 716void ev_idle_start (EV_P_ ev_idle *w);
607void ev_idle_stop (EV_P_ ev_idle *w); 717void ev_idle_stop (EV_P_ ev_idle *w);
608# endif 718# endif
609 719
720#if EV_PREPARE_ENABLE
610void ev_prepare_start (EV_P_ ev_prepare *w); 721void ev_prepare_start (EV_P_ ev_prepare *w);
611void ev_prepare_stop (EV_P_ ev_prepare *w); 722void ev_prepare_stop (EV_P_ ev_prepare *w);
723#endif
612 724
725#if EV_CHECK_ENABLE
613void ev_check_start (EV_P_ ev_check *w); 726void ev_check_start (EV_P_ ev_check *w);
614void ev_check_stop (EV_P_ ev_check *w); 727void ev_check_stop (EV_P_ ev_check *w);
728#endif
615 729
616# if EV_FORK_ENABLE 730# if EV_FORK_ENABLE
617void ev_fork_start (EV_P_ ev_fork *w); 731void ev_fork_start (EV_P_ ev_fork *w);
618void ev_fork_stop (EV_P_ ev_fork *w); 732void ev_fork_stop (EV_P_ ev_fork *w);
619# endif 733# endif

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