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Comparing libev/ev.h (file contents):
Revision 1.110 by root, Wed Mar 4 14:33:10 2009 UTC vs.
Revision 1.147 by root, Fri Oct 22 09:24:11 2010 UTC

1/* 1/*
2 * libev native API header 2 * libev native API header
3 * 3 *
4 * Copyright (c) 2007,2008,2009 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
44# define EV_CPP(x) x
45#else
46# define EV_CPP(x)
47#endif
48
44extern "C" { 49EV_CPP(extern "C" {)
50
51/*****************************************************************************/
52
53/* pre-4.0 compatibility */
54#ifndef EV_COMPAT3
55# define EV_COMPAT3 1
45#endif 56#endif
57
58#ifndef EV_FEATURES
59# define EV_FEATURES 0x7f
60#endif
61
62#define EV_FEATURE_CODE ((EV_FEATURES) & 1)
63#define EV_FEATURE_DATA ((EV_FEATURES) & 2)
64#define EV_FEATURE_CONFIG ((EV_FEATURES) & 4)
65#define EV_FEATURE_API ((EV_FEATURES) & 8)
66#define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16)
67#define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32)
68#define EV_FEATURE_OS ((EV_FEATURES) & 64)
69
70/* these priorities are inclusive, higher priorities will be invoked earlier */
71#ifndef EV_MINPRI
72# define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0)
73#endif
74#ifndef EV_MAXPRI
75# define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0)
76#endif
77
78#ifndef EV_MULTIPLICITY
79# define EV_MULTIPLICITY EV_FEATURE_CONFIG
80#endif
81
82#ifndef EV_PERIODIC_ENABLE
83# define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS
84#endif
85
86#ifndef EV_STAT_ENABLE
87# define EV_STAT_ENABLE EV_FEATURE_WATCHERS
88#endif
89
90#ifndef EV_PREPARE_ENABLE
91# define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS
92#endif
93
94#ifndef EV_CHECK_ENABLE
95# define EV_CHECK_ENABLE EV_FEATURE_WATCHERS
96#endif
97
98#ifndef EV_IDLE_ENABLE
99# define EV_IDLE_ENABLE EV_FEATURE_WATCHERS
100#endif
101
102#ifndef EV_FORK_ENABLE
103# define EV_FORK_ENABLE EV_FEATURE_WATCHERS
104#endif
105
106#ifndef EV_SIGNAL_ENABLE
107# define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS
108#endif
109
110#ifndef EV_CHILD_ENABLE
111# ifdef _WIN32
112# define EV_CHILD_ENABLE 0
113# else
114# define EV_CHILD_ENABLE EV_FEATURE_WATCHERS
115#endif
116#endif
117
118#ifndef EV_ASYNC_ENABLE
119# define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS
120#endif
121
122#ifndef EV_EMBED_ENABLE
123# define EV_EMBED_ENABLE EV_FEATURE_WATCHERS
124#endif
125
126#ifndef EV_WALK_ENABLE
127# define EV_WALK_ENABLE 0 /* not yet */
128#endif
129
130/*****************************************************************************/
131
132#if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE
133# undef EV_SIGNAL_ENABLE
134# define EV_SIGNAL_ENABLE 1
135#endif
136
137/*****************************************************************************/
46 138
47typedef double ev_tstamp; 139typedef 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
84 140
85#ifndef EV_ATOMIC_T 141#ifndef EV_ATOMIC_T
86# include <signal.h> 142# include <signal.h>
87# define EV_ATOMIC_T sig_atomic_t volatile 143# define EV_ATOMIC_T sig_atomic_t volatile
88#endif 144#endif
89
90/*****************************************************************************/
91 145
92#if EV_STAT_ENABLE 146#if EV_STAT_ENABLE
93# ifdef _WIN32 147# ifdef _WIN32
94# include <time.h> 148# include <time.h>
95# include <sys/types.h> 149# include <sys/types.h>
98#endif 152#endif
99 153
100/* support multiple event loops? */ 154/* support multiple event loops? */
101#if EV_MULTIPLICITY 155#if EV_MULTIPLICITY
102struct ev_loop; 156struct ev_loop;
103# define EV_P struct ev_loop *loop 157# define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */
104# define EV_P_ EV_P, 158# define EV_P_ EV_P, /* a loop as first of multiple parameters */
105# define EV_A loop 159# define EV_A loop /* a loop as sole argument to a function call */
106# define EV_A_ EV_A, 160# define EV_A_ EV_A, /* a loop as first of multiple arguments */
107# define EV_DEFAULT_UC ev_default_loop_uc () 161# define EV_DEFAULT_UC ev_default_loop_uc () /* the default loop, if initialised, as sole arg */
108# define EV_DEFAULT_UC_ EV_DEFAULT_UC, 162# define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */
109# define EV_DEFAULT ev_default_loop (0) 163# define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */
110# define EV_DEFAULT_ EV_DEFAULT, 164# define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */
111#else 165#else
112# define EV_P void 166# define EV_P void
113# define EV_P_ 167# define EV_P_
114# define EV_A 168# define EV_A
115# define EV_A_ 169# define EV_A_
118# define EV_DEFAULT_UC 172# define EV_DEFAULT_UC
119# define EV_DEFAULT_UC_ 173# define EV_DEFAULT_UC_
120# undef EV_EMBED_ENABLE 174# undef EV_EMBED_ENABLE
121#endif 175#endif
122 176
177/* EV_INLINE is used for functions in header files */
123#if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 178#if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3
124# define EV_INLINE static inline 179# define EV_INLINE static inline
125#else 180#else
126# define EV_INLINE static 181# define EV_INLINE static
127#endif 182#endif
128 183
184/* EV_PROTOTYPES can be sued to switch of prototype declarations */
185#ifndef EV_PROTOTYPES
186# define EV_PROTOTYPES 1
187#endif
188
129/*****************************************************************************/ 189/*****************************************************************************/
130 190
191#define EV_VERSION_MAJOR 4
192#define EV_VERSION_MINOR 0
193
131/* eventmask, revents, events... */ 194/* eventmask, revents, events... */
195enum {
132#define EV_UNDEF -1 /* guaranteed to be invalid */ 196 EV_UNDEF = -1, /* guaranteed to be invalid */
133#define EV_NONE 0x00 /* no events */ 197 EV_NONE = 0x00, /* no events */
134#define EV_READ 0x01 /* ev_io detected read will not block */ 198 EV_READ = 0x01, /* ev_io detected read will not block */
135#define EV_WRITE 0x02 /* ev_io detected write will not block */ 199 EV_WRITE = 0x02, /* ev_io detected write will not block */
136#define EV_IOFDSET 0x80 /* internal use only */ 200 EV__IOFDSET = 0x80, /* internal use only */
201 EV_IO = EV_READ, /* alias for type-detection */
137#define EV_TIMEOUT 0x00000100 /* timer timed out */ 202 EV_TIMER = 0x00000100, /* timer timed out */
203#if EV_COMPAT3
204 EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */
205#endif
138#define EV_PERIODIC 0x00000200 /* periodic timer timed out */ 206 EV_PERIODIC = 0x00000200, /* periodic timer timed out */
139#define EV_SIGNAL 0x00000400 /* signal was received */ 207 EV_SIGNAL = 0x00000400, /* signal was received */
140#define EV_CHILD 0x00000800 /* child/pid had status change */ 208 EV_CHILD = 0x00000800, /* child/pid had status change */
141#define EV_STAT 0x00001000 /* stat data changed */ 209 EV_STAT = 0x00001000, /* stat data changed */
142#define EV_IDLE 0x00002000 /* event loop is idling */ 210 EV_IDLE = 0x00002000, /* event loop is idling */
143#define EV_PREPARE 0x00004000 /* event loop about to poll */ 211 EV_PREPARE = 0x00004000, /* event loop about to poll */
144#define EV_CHECK 0x00008000 /* event loop finished poll */ 212 EV_CHECK = 0x00008000, /* event loop finished poll */
145#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */ 213 EV_EMBED = 0x00010000, /* embedded event loop needs sweep */
146#define EV_FORK 0x00020000 /* event loop resumed in child */ 214 EV_FORK = 0x00020000, /* event loop resumed in child */
147#define EV_ASYNC 0x00040000 /* async intra-loop signal */ 215 EV_ASYNC = 0x00040000, /* async intra-loop signal */
216 EV_CUSTOM = 0x01000000, /* for use by user code */
148#define EV_ERROR 0x80000000 /* sent when an error occurs */ 217 EV_ERROR = 0x80000000 /* sent when an error occurs */
218};
149 219
150/* can be used to add custom fields to all watchers, while losing binary compatibility */ 220/* can be used to add custom fields to all watchers, while losing binary compatibility */
151#ifndef EV_COMMON 221#ifndef EV_COMMON
152# define EV_COMMON void *data; 222# define EV_COMMON void *data;
153#endif 223#endif
154#ifndef EV_PROTOTYPES
155# define EV_PROTOTYPES 1
156#endif
157
158#define EV_VERSION_MAJOR 3
159#define EV_VERSION_MINOR 0
160 224
161#ifndef EV_CB_DECLARE 225#ifndef EV_CB_DECLARE
162# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); 226# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
163#endif 227#endif
164#ifndef EV_CB_INVOKE 228#ifndef EV_CB_INVOKE
165# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) 229# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
166#endif 230#endif
231
232/* not official, do not use */
233#define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents)
167 234
168/* 235/*
169 * struct member types: 236 * struct member types:
170 * private: you may look at them, but not change them, 237 * private: you may look at them, but not change them,
171 * and they might not mean anything to you. 238 * and they might not mean anything to you.
180 * or simply 1 for watchers that aren't in some array. 247 * or simply 1 for watchers that aren't in some array.
181 * pending is either 0, in which case the watcher isn't, 248 * pending is either 0, in which case the watcher isn't,
182 * or the array index + 1 in the pendings array. 249 * or the array index + 1 in the pendings array.
183 */ 250 */
184 251
252#if EV_MINPRI == EV_MAXPRI
253# define EV_DECL_PRIORITY
254#elif !defined (EV_DECL_PRIORITY)
255# define EV_DECL_PRIORITY int priority;
256#endif
257
185/* shared by all watchers */ 258/* shared by all watchers */
186#define EV_WATCHER(type) \ 259#define EV_WATCHER(type) \
187 int active; /* private */ \ 260 int active; /* private */ \
188 int pending; /* private */ \ 261 int pending; /* private */ \
189 int priority; /* private */ \ 262 EV_DECL_PRIORITY /* private */ \
190 EV_COMMON /* rw */ \ 263 EV_COMMON /* rw */ \
191 EV_CB_DECLARE (type) /* private */ 264 EV_CB_DECLARE (type) /* private */
192 265
193#define EV_WATCHER_LIST(type) \ 266#define EV_WATCHER_LIST(type) \
194 EV_WATCHER (type) \ 267 EV_WATCHER (type) \
350 EV_WATCHER (ev_async) 423 EV_WATCHER (ev_async)
351 424
352 EV_ATOMIC_T sent; /* private */ 425 EV_ATOMIC_T sent; /* private */
353} ev_async; 426} ev_async;
354 427
355# define ev_async_pending(w) ((w)->sent + 0) 428# define ev_async_pending(w) (+(w)->sent)
356#endif 429#endif
357 430
358/* the presence of this union forces similar struct layout */ 431/* the presence of this union forces similar struct layout */
359union ev_any_watcher 432union ev_any_watcher
360{ 433{
383#if EV_ASYNC_ENABLE 456#if EV_ASYNC_ENABLE
384 struct ev_async async; 457 struct ev_async async;
385#endif 458#endif
386}; 459};
387 460
388/* bits for ev_default_loop and ev_loop_new */ 461/* flag bits for ev_default_loop and ev_loop_new */
462enum {
389/* the default */ 463 /* the default */
390#define EVFLAG_AUTO 0x00000000U /* not quite a mask */ 464 EVFLAG_AUTO = 0x00000000U, /* not quite a mask */
391/* flag bits */ 465 /* flag bits */
392#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */ 466 EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */
393#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */ 467 EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */
468 /* debugging/feature disable */
469 EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */
470#if EV_COMPAT3
471 EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */
472#endif
473 EVFLAG_SIGNALFD = 0x00200000U /* attempt to use signalfd */
474};
475
394/* method bits to be ored together */ 476/* method bits to be ored together */
477enum {
395#define EVBACKEND_SELECT 0x00000001U /* about anywhere */ 478 EVBACKEND_SELECT = 0x00000001U, /* about anywhere */
396#define EVBACKEND_POLL 0x00000002U /* !win */ 479 EVBACKEND_POLL = 0x00000002U, /* !win */
397#define EVBACKEND_EPOLL 0x00000004U /* linux */ 480 EVBACKEND_EPOLL = 0x00000004U, /* linux */
398#define EVBACKEND_KQUEUE 0x00000008U /* bsd */ 481 EVBACKEND_KQUEUE = 0x00000008U, /* bsd */
399#define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 */ /* NYI */ 482 EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */
400#define EVBACKEND_PORT 0x00000020U /* solaris 10 */ 483 EVBACKEND_PORT = 0x00000020U, /* solaris 10 */
484 EVBACKEND_ALL = 0x0000003FU
485};
401 486
402#if EV_PROTOTYPES 487#if EV_PROTOTYPES
403int ev_version_major (void); 488int ev_version_major (void);
404int ev_version_minor (void); 489int ev_version_minor (void);
405 490
434} 519}
435 520
436/* the default loop is the only one that handles signals and child watchers */ 521/* the default loop is the only one that handles signals and child watchers */
437/* you can call this as often as you like */ 522/* you can call this as often as you like */
438EV_INLINE struct ev_loop * 523EV_INLINE struct ev_loop *
439ev_default_loop (unsigned int flags) 524ev_default_loop (unsigned int flags EV_CPP (= 0))
440{ 525{
441 struct ev_loop *loop = ev_default_loop_uc (); 526 struct ev_loop *loop = ev_default_loop_uc ();
442 527
443 if (!loop) 528 if (!loop)
444 { 529 {
449 534
450 return loop; 535 return loop;
451} 536}
452 537
453/* create and destroy alternative loops that don't handle signals */ 538/* create and destroy alternative loops that don't handle signals */
454struct ev_loop *ev_loop_new (unsigned int flags); 539struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0));
455void ev_loop_destroy (EV_P); 540void ev_loop_destroy (EV_P);
456void ev_loop_fork (EV_P); 541void ev_loop_fork (EV_P);
457void ev_loop_verify (EV_P);
458 542
459ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ 543ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
460void ev_now_update (EV_P);
461 544
462#else 545#else
463 546
464int ev_default_loop (unsigned int flags); /* returns true when successful */ 547int ev_default_loop (unsigned int flags EV_CPP (= 0)); /* returns true when successful */
465 548
466EV_INLINE ev_tstamp 549EV_INLINE ev_tstamp
467ev_now (void) 550ev_now (void)
468{ 551{
469 extern ev_tstamp ev_rt_now; 552 extern ev_tstamp ev_rt_now;
489/* if you create alternative loops you have to call ev_loop_fork on them */ 572/* if you create alternative loops you have to call ev_loop_fork on them */
490/* you can call it in either the parent or the child */ 573/* you can call it in either the parent or the child */
491/* you can actually call it at any time, anywhere :) */ 574/* you can actually call it at any time, anywhere :) */
492void ev_default_fork (void); 575void ev_default_fork (void);
493 576
494unsigned int ev_backend (EV_P); /* backend in use by loop */ 577unsigned int ev_backend (EV_P); /* backend in use by loop */
495unsigned int ev_loop_count (EV_P); /* number of loop iterations */ 578
579void ev_now_update (EV_P); /* update event loop time */
580
581#if EV_WALK_ENABLE
582/* walk (almost) all watchers in the loop of a given type, invoking the */
583/* callback on every such watcher. The callback might stop the watcher, */
584/* but do nothing else with the loop */
585void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w));
586#endif
587
496#endif /* prototypes */ 588#endif /* prototypes */
497 589
498#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 590/* ev_run flags values */
499#define EVLOOP_ONESHOT 2 /* block *once* only */ 591enum {
500#define EVUNLOOP_CANCEL 0 /* undo unloop */ 592 EVRUN_NOWAIT = 1, /* do not block/wait */
501#define EVUNLOOP_ONE 1 /* unloop once */ 593 EVRUN_ONCE = 2 /* block *once* only */
594};
595
596/* ev_break how values */
597enum {
598 EVBREAK_CANCEL = 0, /* undo unloop */
599 EVBREAK_ONE = 1, /* unloop once */
502#define EVUNLOOP_ALL 2 /* unloop all loops */ 600 EVBREAK_ALL = 2 /* unloop all loops */
601};
503 602
504#if EV_PROTOTYPES 603#if EV_PROTOTYPES
505void ev_loop (EV_P_ int flags); 604void ev_run (EV_P_ int flags EV_CPP (= 0));
506void 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 */ 605void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)); /* break out of the loop */
507
508void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
509void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
510 606
511/* 607/*
512 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher 608 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
513 * keeps one reference. if you have a long-runing watcher you never unregister that 609 * keeps one reference. if you have a long-running watcher you never unregister that
514 * should not keep ev_loop from running, unref() after starting, and ref() before stopping. 610 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
515 */ 611 */
516void ev_ref (EV_P); 612void ev_ref (EV_P);
517void ev_unref (EV_P); 613void ev_unref (EV_P);
518 614
615/*
519/* convenience function, wait for a single event, without registering an event watcher */ 616 * convenience function, wait for a single event, without registering an event watcher
520/* if timeout is < 0, do wait indefinitely */ 617 * if timeout is < 0, do wait indefinitely
618 */
521void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 619void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
620
621# if EV_FEATURE_API
622unsigned int ev_iteration (EV_P); /* number of loop iterations */
623unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */
624void ev_verify (EV_P); /* abort if loop data corrupted */
625
626void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
627void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
628
629/* advanced stuff for threading etc. support, see docs */
630void ev_set_userdata (EV_P_ void *data);
631void *ev_userdata (EV_P);
632void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P));
633void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P));
634
635unsigned int ev_pending_count (EV_P); /* number of pending events, if any */
636void ev_invoke_pending (EV_P); /* invoke all pending watchers */
637
638/*
639 * stop/start the timer handling.
640 */
641void ev_suspend (EV_P);
642void ev_resume (EV_P);
643#endif
644
522#endif 645#endif
523 646
524/* these may evaluate ev multiple times, and the other arguments at most once */ 647/* these may evaluate ev multiple times, and the other arguments at most once */
525/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 648/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
526#define ev_init(ev,cb_) do { \ 649#define ev_init(ev,cb_) do { \
527 ((ev_watcher *)(void *)(ev))->active = \ 650 ((ev_watcher *)(void *)(ev))->active = \
528 ((ev_watcher *)(void *)(ev))->pending = \ 651 ((ev_watcher *)(void *)(ev))->pending = 0; \
529 ((ev_watcher *)(void *)(ev))->priority = 0; \ 652 ev_set_priority ((ev), 0); \
530 ev_set_cb ((ev), cb_); \ 653 ev_set_cb ((ev), cb_); \
531} while (0) 654} while (0)
532 655
533#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0) 656#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0)
534#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) 657#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
535#define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0) 658#define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0)
536#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 659#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
537#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) 660#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
538#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) 661#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
539#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 662#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
540#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 663#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
541#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 664#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
542#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) 665#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
543#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ 666#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
544#define ev_async_set(ev) do { (ev)->sent = 0; } while (0) 667#define ev_async_set(ev) /* nop, yes, this is a serious in-joke */
545 668
546#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 669#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
547#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 670#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
548#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0) 671#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
549#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) 672#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
557#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) 680#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
558 681
559#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 682#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
560#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 683#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
561 684
562#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
563#define ev_cb(ev) (ev)->cb /* rw */ 685#define ev_cb(ev) (ev)->cb /* rw */
686
687#if EV_MINPRI == EV_MAXPRI
688# define ev_priority(ev) ((ev), EV_MINPRI)
689# define ev_set_priority(ev,pri) ((ev), (pri))
690#else
691# define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority))
564#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri) 692# define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri)
693#endif
565 694
566#define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.) 695#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
567 696
568#ifndef ev_set_cb 697#ifndef ev_set_cb
569# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 698# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
570#endif 699#endif
571 700
575 704
576/* feeds an event into a watcher as if the event actually occured */ 705/* feeds an event into a watcher as if the event actually occured */
577/* accepts any ev_watcher type */ 706/* accepts any ev_watcher type */
578void ev_feed_event (EV_P_ void *w, int revents); 707void ev_feed_event (EV_P_ void *w, int revents);
579void ev_feed_fd_event (EV_P_ int fd, int revents); 708void ev_feed_fd_event (EV_P_ int fd, int revents);
709#if EV_SIGNAL_ENABLE
580void ev_feed_signal_event (EV_P_ int signum); 710void ev_feed_signal_event (EV_P_ int signum);
711#endif
581void ev_invoke (EV_P_ void *w, int revents); 712void ev_invoke (EV_P_ void *w, int revents);
582int ev_clear_pending (EV_P_ void *w); 713int ev_clear_pending (EV_P_ void *w);
583 714
584void ev_io_start (EV_P_ ev_io *w); 715void ev_io_start (EV_P_ ev_io *w);
585void ev_io_stop (EV_P_ ev_io *w); 716void ev_io_stop (EV_P_ ev_io *w);
586 717
587void ev_timer_start (EV_P_ ev_timer *w); 718void ev_timer_start (EV_P_ ev_timer *w);
588void ev_timer_stop (EV_P_ ev_timer *w); 719void ev_timer_stop (EV_P_ ev_timer *w);
589/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ 720/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
590void ev_timer_again (EV_P_ ev_timer *w); 721void ev_timer_again (EV_P_ ev_timer *w);
722/* return remaining time */
723ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w);
591 724
592#if EV_PERIODIC_ENABLE 725#if EV_PERIODIC_ENABLE
593void ev_periodic_start (EV_P_ ev_periodic *w); 726void ev_periodic_start (EV_P_ ev_periodic *w);
594void ev_periodic_stop (EV_P_ ev_periodic *w); 727void ev_periodic_stop (EV_P_ ev_periodic *w);
595void ev_periodic_again (EV_P_ ev_periodic *w); 728void ev_periodic_again (EV_P_ ev_periodic *w);
596#endif 729#endif
597 730
598/* only supported in the default loop */ 731/* only supported in the default loop */
732#if EV_SIGNAL_ENABLE
599void ev_signal_start (EV_P_ ev_signal *w); 733void ev_signal_start (EV_P_ ev_signal *w);
600void ev_signal_stop (EV_P_ ev_signal *w); 734void ev_signal_stop (EV_P_ ev_signal *w);
735#endif
601 736
602/* only supported in the default loop */ 737/* only supported in the default loop */
738# if EV_CHILD_ENABLE
603void ev_child_start (EV_P_ ev_child *w); 739void ev_child_start (EV_P_ ev_child *w);
604void ev_child_stop (EV_P_ ev_child *w); 740void ev_child_stop (EV_P_ ev_child *w);
741# endif
605 742
606# if EV_STAT_ENABLE 743# if EV_STAT_ENABLE
607void ev_stat_start (EV_P_ ev_stat *w); 744void ev_stat_start (EV_P_ ev_stat *w);
608void ev_stat_stop (EV_P_ ev_stat *w); 745void ev_stat_stop (EV_P_ ev_stat *w);
609void ev_stat_stat (EV_P_ ev_stat *w); 746void ev_stat_stat (EV_P_ ev_stat *w);
612# if EV_IDLE_ENABLE 749# if EV_IDLE_ENABLE
613void ev_idle_start (EV_P_ ev_idle *w); 750void ev_idle_start (EV_P_ ev_idle *w);
614void ev_idle_stop (EV_P_ ev_idle *w); 751void ev_idle_stop (EV_P_ ev_idle *w);
615# endif 752# endif
616 753
754#if EV_PREPARE_ENABLE
617void ev_prepare_start (EV_P_ ev_prepare *w); 755void ev_prepare_start (EV_P_ ev_prepare *w);
618void ev_prepare_stop (EV_P_ ev_prepare *w); 756void ev_prepare_stop (EV_P_ ev_prepare *w);
757#endif
619 758
759#if EV_CHECK_ENABLE
620void ev_check_start (EV_P_ ev_check *w); 760void ev_check_start (EV_P_ ev_check *w);
621void ev_check_stop (EV_P_ ev_check *w); 761void ev_check_stop (EV_P_ ev_check *w);
762#endif
622 763
623# if EV_FORK_ENABLE 764# if EV_FORK_ENABLE
624void ev_fork_start (EV_P_ ev_fork *w); 765void ev_fork_start (EV_P_ ev_fork *w);
625void ev_fork_stop (EV_P_ ev_fork *w); 766void ev_fork_stop (EV_P_ ev_fork *w);
626# endif 767# endif
636void ev_async_start (EV_P_ ev_async *w); 777void ev_async_start (EV_P_ ev_async *w);
637void ev_async_stop (EV_P_ ev_async *w); 778void ev_async_stop (EV_P_ ev_async *w);
638void ev_async_send (EV_P_ ev_async *w); 779void ev_async_send (EV_P_ ev_async *w);
639# endif 780# endif
640 781
782#if EV_COMPAT3
783 #define EVLOOP_NONBLOCK EVRUN_NOWAIT
784 #define EVLOOP_ONESHOT EVRUN_ONCE
785 #define EVUNLOOP_CANCEL EVBREAK_CANCEL
786 #define EVUNLOOP_ONE EVBREAK_ONE
787 #define EVUNLOOP_ALL EVBREAK_ALL
788 #if EV_PROTOTYPES
789 EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); }
790 EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); }
791 #if EV_FEATURE_API
792 EV_INLINE void ev_loop_count (EV_P) { ev_iteration (EV_A); }
793 EV_INLINE void ev_loop_depth (EV_P) { ev_depth (EV_A); }
794 EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); }
795 #endif
641#endif 796 #endif
642 797#else
643#ifdef __cplusplus 798 typedef struct ev_loop ev_loop;
644}
645#endif 799#endif
646 800
647#endif 801#endif
648 802
803EV_CPP(})
804
805#endif
806

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