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Comparing libev/ev.h (file contents):
Revision 1.120 by root, Fri Jul 10 19:10:19 2009 UTC vs.
Revision 1.146 by root, Fri Oct 22 06:14:28 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
44extern "C" { 44extern "C" {
45#endif 45#endif
46 46
47typedef double ev_tstamp; 47/*****************************************************************************/
48 48
49/* pre-4.0 compatibility */
50#ifndef EV_COMPAT3
51# define EV_COMPAT3 1
52#endif
53
54#ifndef EV_FEATURES
55# define EV_FEATURES 0x7f
56#endif
57
58#define EV_FEATURE_CODE ((EV_FEATURES) & 1)
59#define EV_FEATURE_DATA ((EV_FEATURES) & 2)
60#define EV_FEATURE_CONFIG ((EV_FEATURES) & 4)
61#define EV_FEATURE_API ((EV_FEATURES) & 8)
62#define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16)
63#define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32)
64#define EV_FEATURE_OS ((EV_FEATURES) & 64)
65
49/* these priorities are inclusive, higher priorities will be called earlier */ 66/* these priorities are inclusive, higher priorities will be invoked earlier */
50#ifndef EV_MINPRI 67#ifndef EV_MINPRI
51# define EV_MINPRI -2 68# define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0)
52#endif 69#endif
53#ifndef EV_MAXPRI 70#ifndef EV_MAXPRI
54# define EV_MAXPRI +2 71# define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0)
55#endif 72#endif
56 73
57#ifndef EV_MULTIPLICITY 74#ifndef EV_MULTIPLICITY
58# define EV_MULTIPLICITY 1 75# define EV_MULTIPLICITY EV_FEATURE_CONFIG
59#endif 76#endif
60 77
61#ifndef EV_PERIODIC_ENABLE 78#ifndef EV_PERIODIC_ENABLE
62# define EV_PERIODIC_ENABLE 1 79# define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS
63#endif 80#endif
64 81
65#ifndef EV_STAT_ENABLE 82#ifndef EV_STAT_ENABLE
66# define EV_STAT_ENABLE 1 83# define EV_STAT_ENABLE EV_FEATURE_WATCHERS
84#endif
85
86#ifndef EV_PREPARE_ENABLE
87# define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS
88#endif
89
90#ifndef EV_CHECK_ENABLE
91# define EV_CHECK_ENABLE EV_FEATURE_WATCHERS
67#endif 92#endif
68 93
69#ifndef EV_IDLE_ENABLE 94#ifndef EV_IDLE_ENABLE
70# define EV_IDLE_ENABLE 1 95# define EV_IDLE_ENABLE EV_FEATURE_WATCHERS
71#endif 96#endif
72 97
73#ifndef EV_FORK_ENABLE 98#ifndef EV_FORK_ENABLE
99# define EV_FORK_ENABLE EV_FEATURE_WATCHERS
100#endif
101
102#ifndef EV_SIGNAL_ENABLE
103# define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS
104#endif
105
106#ifndef EV_CHILD_ENABLE
107# ifdef _WIN32
74# define EV_FORK_ENABLE 1 108# define EV_CHILD_ENABLE 0
109# else
110# define EV_CHILD_ENABLE EV_FEATURE_WATCHERS
111#endif
112#endif
113
114#ifndef EV_ASYNC_ENABLE
115# define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS
75#endif 116#endif
76 117
77#ifndef EV_EMBED_ENABLE 118#ifndef EV_EMBED_ENABLE
78# define EV_EMBED_ENABLE 1 119# define EV_EMBED_ENABLE EV_FEATURE_WATCHERS
79#endif
80
81#ifndef EV_ASYNC_ENABLE
82# define EV_ASYNC_ENABLE 1
83#endif 120#endif
84 121
85#ifndef EV_WALK_ENABLE 122#ifndef EV_WALK_ENABLE
86# define EV_WALK_ENABLE 0 /* not yet */ 123# define EV_WALK_ENABLE 0 /* not yet */
87#endif 124#endif
125
126/*****************************************************************************/
127
128#if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE
129# undef EV_SIGNAL_ENABLE
130# define EV_SIGNAL_ENABLE 1
131#endif
132
133/*****************************************************************************/
134
135typedef double ev_tstamp;
88 136
89#ifndef EV_ATOMIC_T 137#ifndef EV_ATOMIC_T
90# include <signal.h> 138# include <signal.h>
91# define EV_ATOMIC_T sig_atomic_t volatile 139# define EV_ATOMIC_T sig_atomic_t volatile
92#endif 140#endif
93
94/*****************************************************************************/
95 141
96#if EV_STAT_ENABLE 142#if EV_STAT_ENABLE
97# ifdef _WIN32 143# ifdef _WIN32
98# include <time.h> 144# include <time.h>
99# include <sys/types.h> 145# include <sys/types.h>
100# endif 146# endif
101# include <sys/stat.h> 147# include <sys/stat.h>
102#endif 148#endif
103 149
150/* in C++ we can use this to provide default arguments */
151#ifdef __cplusplus
152# define EV_DEFARG(x) = x
153#else
154# define EV_DEFARG(x)
155#endif
156
104/* support multiple event loops? */ 157/* support multiple event loops? */
105#if EV_MULTIPLICITY 158#if EV_MULTIPLICITY
106struct ev_loop; 159struct ev_loop;
107# define EV_P struct ev_loop *loop 160# define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */
108# define EV_P_ EV_P, 161# define EV_P_ EV_P, /* a loop as first of multiple parameters */
109# define EV_A loop 162# define EV_A loop /* a loop as sole argument to a function call */
110# define EV_A_ EV_A, 163# define EV_A_ EV_A, /* a loop as first of multiple arguments */
111# define EV_DEFAULT_UC ev_default_loop_uc () 164# define EV_DEFAULT_UC ev_default_loop_uc () /* the default loop, if initialised, as sole arg */
112# define EV_DEFAULT_UC_ EV_DEFAULT_UC, 165# define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */
113# define EV_DEFAULT ev_default_loop (0) 166# define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */
114# define EV_DEFAULT_ EV_DEFAULT, 167# define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */
168# define EV_PDEF EV_P EV_DEFARG (EV_DEFAULT_UC) /* EV_P, but with default argument in C++ */
169# define EV_PDEF_ EV_P EV_DEFARG (EV_DEFAULT_UC), /* EV_P_, but with default argument in C++ */
115#else 170#else
116# define EV_P void 171# define EV_P void
117# define EV_P_ 172# define EV_P_
118# define EV_A 173# define EV_A
119# define EV_A_ 174# define EV_A_
120# define EV_DEFAULT 175# define EV_DEFAULT
121# define EV_DEFAULT_ 176# define EV_DEFAULT_
122# define EV_DEFAULT_UC 177# define EV_DEFAULT_UC
123# define EV_DEFAULT_UC_ 178# define EV_DEFAULT_UC_
179# define EV_PDEF EV_P
180# define EV_PDEF_ EV_P_
124# undef EV_EMBED_ENABLE 181# undef EV_EMBED_ENABLE
125#endif 182#endif
126 183
184/* EV_INLINE is used for functions in header files */
127#if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 185#if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3
128# define EV_INLINE static inline 186# define EV_INLINE static inline
129#else 187#else
130# define EV_INLINE static 188# define EV_INLINE static
131#endif 189#endif
132 190
191/* EV_PROTOTYPES can be sued to switch of prototype declarations */
192#ifndef EV_PROTOTYPES
193# define EV_PROTOTYPES 1
194#endif
195
133/*****************************************************************************/ 196/*****************************************************************************/
134 197
198#define EV_VERSION_MAJOR 4
199#define EV_VERSION_MINOR 0
200
135/* eventmask, revents, events... */ 201/* eventmask, revents, events... */
202enum {
136#define EV_UNDEF -1 /* guaranteed to be invalid */ 203 EV_UNDEF = -1, /* guaranteed to be invalid */
137#define EV_NONE 0x00 /* no events */ 204 EV_NONE = 0x00, /* no events */
138#define EV_READ 0x01 /* ev_io detected read will not block */ 205 EV_READ = 0x01, /* ev_io detected read will not block */
139#define EV_WRITE 0x02 /* ev_io detected write will not block */ 206 EV_WRITE = 0x02, /* ev_io detected write will not block */
140#define EV__IOFDSET 0x80 /* internal use only */ 207 EV__IOFDSET = 0x80, /* internal use only */
141#define EV_IO EV_READ /* alias for type-detection */ 208 EV_IO = EV_READ, /* alias for type-detection */
142#define EV_TIMEOUT 0x00000100 /* timer timed out */ 209 EV_TIMER = 0x00000100, /* timer timed out */
143#define EV_TIMER EV_TIMEOUT /* alias for type-detection */ 210#if EV_COMPAT3
211 EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */
212#endif
144#define EV_PERIODIC 0x00000200 /* periodic timer timed out */ 213 EV_PERIODIC = 0x00000200, /* periodic timer timed out */
145#define EV_SIGNAL 0x00000400 /* signal was received */ 214 EV_SIGNAL = 0x00000400, /* signal was received */
146#define EV_CHILD 0x00000800 /* child/pid had status change */ 215 EV_CHILD = 0x00000800, /* child/pid had status change */
147#define EV_STAT 0x00001000 /* stat data changed */ 216 EV_STAT = 0x00001000, /* stat data changed */
148#define EV_IDLE 0x00002000 /* event loop is idling */ 217 EV_IDLE = 0x00002000, /* event loop is idling */
149#define EV_PREPARE 0x00004000 /* event loop about to poll */ 218 EV_PREPARE = 0x00004000, /* event loop about to poll */
150#define EV_CHECK 0x00008000 /* event loop finished poll */ 219 EV_CHECK = 0x00008000, /* event loop finished poll */
151#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */ 220 EV_EMBED = 0x00010000, /* embedded event loop needs sweep */
152#define EV_FORK 0x00020000 /* event loop resumed in child */ 221 EV_FORK = 0x00020000, /* event loop resumed in child */
153#define EV_ASYNC 0x00040000 /* async intra-loop signal */ 222 EV_ASYNC = 0x00040000, /* async intra-loop signal */
154#define EV_CUSTOM 0x01000000 /* for use by user code */ 223 EV_CUSTOM = 0x01000000, /* for use by user code */
155#define EV_ERROR 0x80000000 /* sent when an error occurs */ 224 EV_ERROR = 0x80000000 /* sent when an error occurs */
225};
156 226
157/* can be used to add custom fields to all watchers, while losing binary compatibility */ 227/* can be used to add custom fields to all watchers, while losing binary compatibility */
158#ifndef EV_COMMON 228#ifndef EV_COMMON
159# define EV_COMMON void *data; 229# define EV_COMMON void *data;
160#endif 230#endif
161#ifndef EV_PROTOTYPES
162# define EV_PROTOTYPES 1
163#endif
164
165#define EV_VERSION_MAJOR 3
166#define EV_VERSION_MINOR 0
167 231
168#ifndef EV_CB_DECLARE 232#ifndef EV_CB_DECLARE
169# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); 233# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
170#endif 234#endif
171#ifndef EV_CB_INVOKE 235#ifndef EV_CB_INVOKE
172# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) 236# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
173#endif 237#endif
238
239/* not official, do not use */
240#define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents)
174 241
175/* 242/*
176 * struct member types: 243 * struct member types:
177 * private: you may look at them, but not change them, 244 * private: you may look at them, but not change them,
178 * and they might not mean anything to you. 245 * and they might not mean anything to you.
… …
189 * or the array index + 1 in the pendings array. 256 * or the array index + 1 in the pendings array.
190 */ 257 */
191 258
192#if EV_MINPRI == EV_MAXPRI 259#if EV_MINPRI == EV_MAXPRI
193# define EV_DECL_PRIORITY 260# define EV_DECL_PRIORITY
194#else 261#elif !defined (EV_DECL_PRIORITY)
195# define EV_DECL_PRIORITY int priority; 262# define EV_DECL_PRIORITY int priority;
196#endif 263#endif
197 264
198/* shared by all watchers */ 265/* shared by all watchers */
199#define EV_WATCHER(type) \ 266#define EV_WATCHER(type) \
… …
363 EV_WATCHER (ev_async) 430 EV_WATCHER (ev_async)
364 431
365 EV_ATOMIC_T sent; /* private */ 432 EV_ATOMIC_T sent; /* private */
366} ev_async; 433} ev_async;
367 434
368# define ev_async_pending(w) ((w)->sent + 0) 435# define ev_async_pending(w) (+(w)->sent)
369#endif 436#endif
370 437
371/* the presence of this union forces similar struct layout */ 438/* the presence of this union forces similar struct layout */
372union ev_any_watcher 439union ev_any_watcher
373{ 440{
… …
396#if EV_ASYNC_ENABLE 463#if EV_ASYNC_ENABLE
397 struct ev_async async; 464 struct ev_async async;
398#endif 465#endif
399}; 466};
400 467
401/* bits for ev_default_loop and ev_loop_new */ 468/* flag bits for ev_default_loop and ev_loop_new */
469enum {
402/* the default */ 470 /* the default */
403#define EVFLAG_AUTO 0x00000000U /* not quite a mask */ 471 EVFLAG_AUTO = 0x00000000U, /* not quite a mask */
404/* flag bits */ 472 /* flag bits */
405#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */ 473 EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */
406#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */ 474 EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */
475 /* debugging/feature disable */
476 EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */
477#if EV_COMPAT3
478 EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */
479#endif
480 EVFLAG_SIGNALFD = 0x00200000U /* attempt to use signalfd */
481};
482
407/* method bits to be ored together */ 483/* method bits to be ored together */
484enum {
408#define EVBACKEND_SELECT 0x00000001U /* about anywhere */ 485 EVBACKEND_SELECT = 0x00000001U, /* about anywhere */
409#define EVBACKEND_POLL 0x00000002U /* !win */ 486 EVBACKEND_POLL = 0x00000002U, /* !win */
410#define EVBACKEND_EPOLL 0x00000004U /* linux */ 487 EVBACKEND_EPOLL = 0x00000004U, /* linux */
411#define EVBACKEND_KQUEUE 0x00000008U /* bsd */ 488 EVBACKEND_KQUEUE = 0x00000008U, /* bsd */
412#define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 */ /* NYI */ 489 EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */
413#define EVBACKEND_PORT 0x00000020U /* solaris 10 */ 490 EVBACKEND_PORT = 0x00000020U, /* solaris 10 */
491 EVBACKEND_ALL = 0x0000003FU
492};
414 493
415#if EV_PROTOTYPES 494#if EV_PROTOTYPES
416int ev_version_major (void); 495int ev_version_major (void);
417int ev_version_minor (void); 496int ev_version_minor (void);
418 497
… …
447} 526}
448 527
449/* the default loop is the only one that handles signals and child watchers */ 528/* the default loop is the only one that handles signals and child watchers */
450/* you can call this as often as you like */ 529/* you can call this as often as you like */
451EV_INLINE struct ev_loop * 530EV_INLINE struct ev_loop *
452ev_default_loop (unsigned int flags) 531ev_default_loop (unsigned int flags EV_DEFARG (0))
453{ 532{
454 struct ev_loop *loop = ev_default_loop_uc (); 533 struct ev_loop *loop = ev_default_loop_uc ();
455 534
456 if (!loop) 535 if (!loop)
457 { 536 {
… …
462 541
463 return loop; 542 return loop;
464} 543}
465 544
466/* create and destroy alternative loops that don't handle signals */ 545/* create and destroy alternative loops that don't handle signals */
467struct ev_loop *ev_loop_new (unsigned int flags); 546struct ev_loop *ev_loop_new (unsigned int flags EV_DEFARG (0));
468void ev_loop_destroy (EV_P); 547void ev_loop_destroy (EV_PDEF);
469void ev_loop_fork (EV_P); 548void ev_loop_fork (EV_PDEF);
470 549
471ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ 550ev_tstamp ev_now (EV_PDEF); /* time w.r.t. timers and the eventloop, updated after each poll */
472 551
473#else 552#else
474 553
475int ev_default_loop (unsigned int flags); /* returns true when successful */ 554int ev_default_loop (unsigned int flags EV_DEFARG (0)); /* returns true when successful */
476 555
477EV_INLINE ev_tstamp 556EV_INLINE ev_tstamp
478ev_now (void) 557ev_now (void)
479{ 558{
480 extern ev_tstamp ev_rt_now; 559 extern ev_tstamp ev_rt_now;
… …
482 return ev_rt_now; 561 return ev_rt_now;
483} 562}
484#endif /* multiplicity */ 563#endif /* multiplicity */
485 564
486EV_INLINE int 565EV_INLINE int
487ev_is_default_loop (EV_P) 566ev_is_default_loop (EV_PDEF)
488{ 567{
489#if EV_MULTIPLICITY 568#if EV_MULTIPLICITY
490 extern struct ev_loop *ev_default_loop_ptr; 569 extern struct ev_loop *ev_default_loop_ptr;
491 570
492 return !!(EV_A == ev_default_loop_ptr); 571 return !!(EV_A == ev_default_loop_ptr);
… …
500/* if you create alternative loops you have to call ev_loop_fork on them */ 579/* if you create alternative loops you have to call ev_loop_fork on them */
501/* you can call it in either the parent or the child */ 580/* you can call it in either the parent or the child */
502/* you can actually call it at any time, anywhere :) */ 581/* you can actually call it at any time, anywhere :) */
503void ev_default_fork (void); 582void ev_default_fork (void);
504 583
505unsigned int ev_backend (EV_P); /* backend in use by loop */ 584unsigned int ev_backend (EV_PDEF); /* backend in use by loop */
506 585
507void ev_now_update (EV_P); /* update event loop time */ 586void ev_now_update (EV_PDEF); /* update event loop time */
508 587
509#if EV_WALK_ENABLE 588#if EV_WALK_ENABLE
510/* walk (almost) all watchers in the loop of a given type, invoking the */ 589/* walk (almost) all watchers in the loop of a given type, invoking the */
511/* callback on every such watcher. The callback might stop the watcher, */ 590/* callback on every such watcher. The callback might stop the watcher, */
512/* but do nothing else with the loop */ 591/* but do nothing else with the loop */
513void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)); 592void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w));
514#endif 593#endif
515 594
516#endif /* prototypes */ 595#endif /* prototypes */
517 596
518#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 597/* ev_run flags values */
519#define EVLOOP_ONESHOT 2 /* block *once* only */ 598enum {
520#define EVUNLOOP_CANCEL 0 /* undo unloop */ 599 EVRUN_NOWAIT = 1, /* do not block/wait */
521#define EVUNLOOP_ONE 1 /* unloop once */ 600 EVRUN_ONCE = 2 /* block *once* only */
601};
602
603/* ev_break how values */
604enum {
605 EVBREAK_CANCEL = 0, /* undo unloop */
606 EVBREAK_ONE = 1, /* unloop once */
522#define EVUNLOOP_ALL 2 /* unloop all loops */ 607 EVBREAK_ALL = 2 /* unloop all loops */
608};
523 609
524#if EV_PROTOTYPES 610#if EV_PROTOTYPES
525void ev_loop (EV_P_ int flags); 611void ev_run (EV_PDEF_ int flags EV_DEFARG (0));
526void 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 */ 612void ev_break (EV_PDEF_ int how EV_DEFARG (EVBREAK_ONE)); /* break out of the loop */
527 613
528/* 614/*
529 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher 615 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
530 * keeps one reference. if you have a long-running watcher you never unregister that 616 * keeps one reference. if you have a long-running watcher you never unregister that
531 * should not keep ev_loop from running, unref() after starting, and ref() before stopping. 617 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
532 */ 618 */
533void ev_ref (EV_P); 619void ev_ref (EV_PDEF);
534void ev_unref (EV_P); 620void ev_unref (EV_PDEF);
535 621
536/* 622/*
537 * convenience function, wait for a single event, without registering an event watcher 623 * convenience function, wait for a single event, without registering an event watcher
538 * if timeout is < 0, do wait indefinitely 624 * if timeout is < 0, do wait indefinitely
539 */ 625 */
540void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 626void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
541 627
542# if EV_MINIMAL < 2 628# if EV_FEATURE_API
543unsigned int ev_loop_count (EV_P); /* number of loop iterations */ 629unsigned int ev_iteration (EV_PDEF); /* number of loop iterations */
544unsigned int ev_loop_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */ 630unsigned int ev_depth (EV_PDEF); /* #ev_loop enters - #ev_loop leaves */
545void ev_loop_verify (EV_P); /* abort if loop data corrupted */ 631void ev_verify (EV_PDEF); /* abort if loop data corrupted */
546 632
547void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ 633void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
548void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ 634void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
549 635
550/* advanced stuff for threading etc. support, see docs */ 636/* advanced stuff for threading etc. support, see docs */
551void ev_set_userdata (EV_P_ void *data); 637void ev_set_userdata (EV_P_ void *data);
552void *ev_userdata (EV_P); 638void *ev_userdata (EV_PDEF);
553void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)); 639void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P));
554void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)); 640void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P));
555 641
642unsigned int ev_pending_count (EV_PDEF); /* number of pending events, if any */
556void ev_invoke_pending (EV_P); /* invoke all pending watchers */ 643void ev_invoke_pending (EV_PDEF); /* invoke all pending watchers */
557 644
558/* 645/*
559 * stop/start the timer handling. 646 * stop/start the timer handling.
560 */ 647 */
561void ev_suspend (EV_P); 648void ev_suspend (EV_PDEF);
562void ev_resume (EV_P); 649void ev_resume (EV_PDEF);
563#endif 650#endif
564 651
565#endif 652#endif
566 653
567/* these may evaluate ev multiple times, and the other arguments at most once */ 654/* these may evaluate ev multiple times, and the other arguments at most once */
… …
582#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 669#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
583#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 670#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
584#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 671#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
585#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) 672#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
586#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ 673#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
587#define ev_async_set(ev) do { (ev)->sent = 0; } while (0) 674#define ev_async_set(ev) /* nop, yes, this is a serious in-joke */
588 675
589#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 676#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
590#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 677#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
591#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0) 678#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
592#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) 679#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
… …
606 693
607#if EV_MINPRI == EV_MAXPRI 694#if EV_MINPRI == EV_MAXPRI
608# define ev_priority(ev) ((ev), EV_MINPRI) 695# define ev_priority(ev) ((ev), EV_MINPRI)
609# define ev_set_priority(ev,pri) ((ev), (pri)) 696# define ev_set_priority(ev,pri) ((ev), (pri))
610#else 697#else
611# define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0) 698# define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority))
612# define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri) 699# define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri)
613#endif 700#endif
614 701
615#define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.) 702#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
616 703
617#ifndef ev_set_cb 704#ifndef ev_set_cb
618# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 705# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
619#endif 706#endif
620 707
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624 711
625/* feeds an event into a watcher as if the event actually occured */ 712/* feeds an event into a watcher as if the event actually occured */
626/* accepts any ev_watcher type */ 713/* accepts any ev_watcher type */
627void ev_feed_event (EV_P_ void *w, int revents); 714void ev_feed_event (EV_P_ void *w, int revents);
628void ev_feed_fd_event (EV_P_ int fd, int revents); 715void ev_feed_fd_event (EV_P_ int fd, int revents);
716#if EV_SIGNAL_ENABLE
629void ev_feed_signal_event (EV_P_ int signum); 717void ev_feed_signal_event (EV_P_ int signum);
718#endif
630void ev_invoke (EV_P_ void *w, int revents); 719void ev_invoke (EV_P_ void *w, int revents);
631int ev_clear_pending (EV_P_ void *w); 720int ev_clear_pending (EV_P_ void *w);
632 721
633void ev_io_start (EV_P_ ev_io *w); 722void ev_io_start (EV_P_ ev_io *w);
634void ev_io_stop (EV_P_ ev_io *w); 723void ev_io_stop (EV_P_ ev_io *w);
635 724
636void ev_timer_start (EV_P_ ev_timer *w); 725void ev_timer_start (EV_P_ ev_timer *w);
637void ev_timer_stop (EV_P_ ev_timer *w); 726void ev_timer_stop (EV_P_ ev_timer *w);
638/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ 727/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
639void ev_timer_again (EV_P_ ev_timer *w); 728void ev_timer_again (EV_P_ ev_timer *w);
729/* return remaining time */
730ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w);
640 731
641#if EV_PERIODIC_ENABLE 732#if EV_PERIODIC_ENABLE
642void ev_periodic_start (EV_P_ ev_periodic *w); 733void ev_periodic_start (EV_P_ ev_periodic *w);
643void ev_periodic_stop (EV_P_ ev_periodic *w); 734void ev_periodic_stop (EV_P_ ev_periodic *w);
644void ev_periodic_again (EV_P_ ev_periodic *w); 735void ev_periodic_again (EV_P_ ev_periodic *w);
645#endif 736#endif
646 737
647/* only supported in the default loop */ 738/* only supported in the default loop */
739#if EV_SIGNAL_ENABLE
648void ev_signal_start (EV_P_ ev_signal *w); 740void ev_signal_start (EV_P_ ev_signal *w);
649void ev_signal_stop (EV_P_ ev_signal *w); 741void ev_signal_stop (EV_P_ ev_signal *w);
742#endif
650 743
651/* only supported in the default loop */ 744/* only supported in the default loop */
745# if EV_CHILD_ENABLE
652void ev_child_start (EV_P_ ev_child *w); 746void ev_child_start (EV_P_ ev_child *w);
653void ev_child_stop (EV_P_ ev_child *w); 747void ev_child_stop (EV_P_ ev_child *w);
748# endif
654 749
655# if EV_STAT_ENABLE 750# if EV_STAT_ENABLE
656void ev_stat_start (EV_P_ ev_stat *w); 751void ev_stat_start (EV_P_ ev_stat *w);
657void ev_stat_stop (EV_P_ ev_stat *w); 752void ev_stat_stop (EV_P_ ev_stat *w);
658void ev_stat_stat (EV_P_ ev_stat *w); 753void ev_stat_stat (EV_P_ ev_stat *w);
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661# if EV_IDLE_ENABLE 756# if EV_IDLE_ENABLE
662void ev_idle_start (EV_P_ ev_idle *w); 757void ev_idle_start (EV_P_ ev_idle *w);
663void ev_idle_stop (EV_P_ ev_idle *w); 758void ev_idle_stop (EV_P_ ev_idle *w);
664# endif 759# endif
665 760
761#if EV_PREPARE_ENABLE
666void ev_prepare_start (EV_P_ ev_prepare *w); 762void ev_prepare_start (EV_P_ ev_prepare *w);
667void ev_prepare_stop (EV_P_ ev_prepare *w); 763void ev_prepare_stop (EV_P_ ev_prepare *w);
764#endif
668 765
766#if EV_CHECK_ENABLE
669void ev_check_start (EV_P_ ev_check *w); 767void ev_check_start (EV_P_ ev_check *w);
670void ev_check_stop (EV_P_ ev_check *w); 768void ev_check_stop (EV_P_ ev_check *w);
769#endif
671 770
672# if EV_FORK_ENABLE 771# if EV_FORK_ENABLE
673void ev_fork_start (EV_P_ ev_fork *w); 772void ev_fork_start (EV_P_ ev_fork *w);
674void ev_fork_stop (EV_P_ ev_fork *w); 773void ev_fork_stop (EV_P_ ev_fork *w);
675# endif 774# endif
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685void ev_async_start (EV_P_ ev_async *w); 784void ev_async_start (EV_P_ ev_async *w);
686void ev_async_stop (EV_P_ ev_async *w); 785void ev_async_stop (EV_P_ ev_async *w);
687void ev_async_send (EV_P_ ev_async *w); 786void ev_async_send (EV_P_ ev_async *w);
688# endif 787# endif
689 788
789#if EV_COMPAT3
790 #define EVLOOP_NONBLOCK EVRUN_NOWAIT
791 #define EVLOOP_ONESHOT EVRUN_ONCE
792 #define EVUNLOOP_CANCEL EVBREAK_CANCEL
793 #define EVUNLOOP_ONE EVBREAK_ONE
794 #define EVUNLOOP_ALL EVBREAK_ALL
795 #if EV_PROTOTYPES
796 EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); }
797 EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); }
798 #if EV_FEATURE_API
799 EV_INLINE void ev_loop_count (EV_P) { ev_iteration (EV_A); }
800 EV_INLINE void ev_loop_depth (EV_P) { ev_depth (EV_A); }
801 EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); }
802 #endif
803 #endif
804#else
805 typedef struct ev_loop ev_loop;
806#endif
807
690#endif 808#endif
691 809
692#ifdef __cplusplus 810#ifdef __cplusplus
693} 811}
694#endif 812#endif

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