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Comparing libev/ev.h (file contents):
Revision 1.95 by root, Wed Apr 2 06:34:50 2008 UTC vs.
Revision 1.201 by root, Wed Jan 22 01:50:42 2020 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) 2007-2019 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 *
10 * 1. Redistributions of source code must retain the above copyright notice, 10 * 1. Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer. 11 * this list of conditions and the following disclaimer.
12 * 12 *
13 * 2. Redistributions in binary form must reproduce the above copyright 13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the 14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution. 15 * documentation and/or other materials provided with the distribution.
16 * 16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
19 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
20 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- 20 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
21 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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" { 44# define EV_CPP(x) x
45# if __cplusplus >= 201103L
46# define EV_NOEXCEPT noexcept
47# else
48# define EV_NOEXCEPT
45#endif 49# endif
50#else
51# define EV_CPP(x)
52# define EV_NOEXCEPT
53#endif
54#define EV_THROW EV_NOEXCEPT /* pre-4.25, do not use in new code */
46 55
47typedef double ev_tstamp; 56EV_CPP(extern "C" {)
48 57
58/*****************************************************************************/
59
60/* pre-4.0 compatibility */
61#ifndef EV_COMPAT3
62# define EV_COMPAT3 1
63#endif
64
65#ifndef EV_FEATURES
66# if defined __OPTIMIZE_SIZE__
67# define EV_FEATURES 0x7c
68# else
69# define EV_FEATURES 0x7f
70# endif
71#endif
72
73#define EV_FEATURE_CODE ((EV_FEATURES) & 1)
74#define EV_FEATURE_DATA ((EV_FEATURES) & 2)
75#define EV_FEATURE_CONFIG ((EV_FEATURES) & 4)
76#define EV_FEATURE_API ((EV_FEATURES) & 8)
77#define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16)
78#define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32)
79#define EV_FEATURE_OS ((EV_FEATURES) & 64)
80
49/* these priorities are inclusive, higher priorities will be called earlier */ 81/* these priorities are inclusive, higher priorities will be invoked earlier */
50#ifndef EV_MINPRI 82#ifndef EV_MINPRI
51# define EV_MINPRI -2 83# define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0)
52#endif 84#endif
53#ifndef EV_MAXPRI 85#ifndef EV_MAXPRI
54# define EV_MAXPRI +2 86# define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0)
55#endif 87#endif
56 88
57#ifndef EV_MULTIPLICITY 89#ifndef EV_MULTIPLICITY
58# define EV_MULTIPLICITY 1 90# define EV_MULTIPLICITY EV_FEATURE_CONFIG
59#endif 91#endif
60 92
61#ifndef EV_PERIODIC_ENABLE 93#ifndef EV_PERIODIC_ENABLE
62# define EV_PERIODIC_ENABLE 1 94# define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS
63#endif 95#endif
64 96
65#ifndef EV_STAT_ENABLE 97#ifndef EV_STAT_ENABLE
66# define EV_STAT_ENABLE 1 98# define EV_STAT_ENABLE EV_FEATURE_WATCHERS
99#endif
100
101#ifndef EV_PREPARE_ENABLE
102# define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS
103#endif
104
105#ifndef EV_CHECK_ENABLE
106# define EV_CHECK_ENABLE EV_FEATURE_WATCHERS
67#endif 107#endif
68 108
69#ifndef EV_IDLE_ENABLE 109#ifndef EV_IDLE_ENABLE
70# define EV_IDLE_ENABLE 1 110# define EV_IDLE_ENABLE EV_FEATURE_WATCHERS
71#endif 111#endif
72 112
73#ifndef EV_FORK_ENABLE 113#ifndef EV_FORK_ENABLE
114# define EV_FORK_ENABLE EV_FEATURE_WATCHERS
115#endif
116
117#ifndef EV_CLEANUP_ENABLE
118# define EV_CLEANUP_ENABLE EV_FEATURE_WATCHERS
119#endif
120
121#ifndef EV_SIGNAL_ENABLE
122# define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS
123#endif
124
125#ifndef EV_CHILD_ENABLE
126# ifdef _WIN32
74# define EV_FORK_ENABLE 1 127# define EV_CHILD_ENABLE 0
128# else
129# define EV_CHILD_ENABLE EV_FEATURE_WATCHERS
130#endif
131#endif
132
133#ifndef EV_ASYNC_ENABLE
134# define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS
75#endif 135#endif
76 136
77#ifndef EV_EMBED_ENABLE 137#ifndef EV_EMBED_ENABLE
78# define EV_EMBED_ENABLE 1 138# define EV_EMBED_ENABLE EV_FEATURE_WATCHERS
79#endif 139#endif
80 140
81#ifndef EV_ASYNC_ENABLE 141#ifndef EV_WALK_ENABLE
142# define EV_WALK_ENABLE 0 /* not yet */
143#endif
144
145/*****************************************************************************/
146
147#if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE
148# undef EV_SIGNAL_ENABLE
82# define EV_ASYNC_ENABLE 1 149# define EV_SIGNAL_ENABLE 1
83#endif 150#endif
151
152/*****************************************************************************/
153
154#ifndef EV_TSTAMP_T
155# define EV_TSTAMP_T double
156#endif
157typedef EV_TSTAMP_T ev_tstamp;
158
159#include <string.h> /* for memmove */
84 160
85#ifndef EV_ATOMIC_T 161#ifndef EV_ATOMIC_T
86# include <signal.h> 162# include <signal.h>
87# define EV_ATOMIC_T sig_atomic_t volatile 163# define EV_ATOMIC_T sig_atomic_t volatile
88#endif 164#endif
89 165
90/*****************************************************************************/
91
92#if EV_STAT_ENABLE 166#if EV_STAT_ENABLE
167# ifdef _WIN32
168# include <time.h>
169# include <sys/types.h>
170# endif
93# include <sys/stat.h> 171# include <sys/stat.h>
94#endif 172#endif
95 173
96/* support multiple event loops? */ 174/* support multiple event loops? */
97#if EV_MULTIPLICITY 175#if EV_MULTIPLICITY
98struct ev_loop; 176struct ev_loop;
99# define EV_P struct ev_loop *loop 177# define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */
100# define EV_P_ EV_P, 178# define EV_P_ EV_P, /* a loop as first of multiple parameters */
101# define EV_A loop 179# define EV_A loop /* a loop as sole argument to a function call */
102# define EV_A_ EV_A, 180# define EV_A_ EV_A, /* a loop as first of multiple arguments */
103# define EV_DEFAULT ev_default_loop (0) 181# define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */
104# define EV_DEFAULT_ EV_DEFAULT, 182# define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */
183# define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */
184# define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */
105#else 185#else
106# define EV_P void 186# define EV_P void
107# define EV_P_ 187# define EV_P_
108# define EV_A 188# define EV_A
109# define EV_A_ 189# define EV_A_
110# define EV_DEFAULT 190# define EV_DEFAULT
111# define EV_DEFAULT_ 191# define EV_DEFAULT_
112 192# define EV_DEFAULT_UC
193# define EV_DEFAULT_UC_
113# undef EV_EMBED_ENABLE 194# undef EV_EMBED_ENABLE
114#endif 195#endif
115 196
197/* EV_INLINE is used for functions in header files */
198#if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3
199# define EV_INLINE static inline
200#else
201# define EV_INLINE static
202#endif
203
204#ifdef EV_API_STATIC
205# define EV_API_DECL static
206#else
207# define EV_API_DECL extern
208#endif
209
210/* EV_PROTOTYPES can be used to switch of prototype declarations */
211#ifndef EV_PROTOTYPES
212# define EV_PROTOTYPES 1
213#endif
214
215/*****************************************************************************/
216
217#define EV_VERSION_MAJOR 4
218#define EV_VERSION_MINOR 31
219
116/* eventmask, revents, events... */ 220/* eventmask, revents, events... */
117#define EV_UNDEF -1L /* guaranteed to be invalid */ 221enum {
222 EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */
118#define EV_NONE 0x00L /* no events */ 223 EV_NONE = 0x00, /* no events */
119#define EV_READ 0x01L /* ev_io detected read will not block */ 224 EV_READ = 0x01, /* ev_io detected read will not block */
120#define EV_WRITE 0x02L /* ev_io detected write will not block */ 225 EV_WRITE = 0x02, /* ev_io detected write will not block */
121#define EV_IOFDSET 0x80L /* internal use only */ 226 EV__IOFDSET = 0x80, /* internal use only */
227 EV_IO = EV_READ, /* alias for type-detection */
122#define EV_TIMEOUT 0x00000100L /* timer timed out */ 228 EV_TIMER = 0x00000100, /* timer timed out */
229#if EV_COMPAT3
230 EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */
231#endif
123#define EV_PERIODIC 0x00000200L /* periodic timer timed out */ 232 EV_PERIODIC = 0x00000200, /* periodic timer timed out */
124#define EV_SIGNAL 0x00000400L /* signal was received */ 233 EV_SIGNAL = 0x00000400, /* signal was received */
125#define EV_CHILD 0x00000800L /* child/pid had status change */ 234 EV_CHILD = 0x00000800, /* child/pid had status change */
126#define EV_STAT 0x00001000L /* stat data changed */ 235 EV_STAT = 0x00001000, /* stat data changed */
127#define EV_IDLE 0x00002000L /* event loop is idling */ 236 EV_IDLE = 0x00002000, /* event loop is idling */
128#define EV_PREPARE 0x00004000L /* event loop about to poll */ 237 EV_PREPARE = 0x00004000, /* event loop about to poll */
129#define EV_CHECK 0x00008000L /* event loop finished poll */ 238 EV_CHECK = 0x00008000, /* event loop finished poll */
130#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */ 239 EV_EMBED = 0x00010000, /* embedded event loop needs sweep */
131#define EV_FORK 0x00020000L /* event loop resumed in child */ 240 EV_FORK = 0x00020000, /* event loop resumed in child */
241 EV_CLEANUP = 0x00040000, /* event loop resumed in child */
132#define EV_ASYNC 0x00040000L /* async intra-loop signal */ 242 EV_ASYNC = 0x00080000, /* async intra-loop signal */
243 EV_CUSTOM = 0x01000000, /* for use by user code */
133#define EV_ERROR 0x80000000L /* sent when an error occurs */ 244 EV_ERROR = (int)0x80000000 /* sent when an error occurs */
245};
134 246
135/* can be used to add custom fields to all watchers, while losing binary compatibility */ 247/* can be used to add custom fields to all watchers, while losing binary compatibility */
136#ifndef EV_COMMON 248#ifndef EV_COMMON
137# define EV_COMMON void *data; 249# define EV_COMMON void *data;
138#endif 250#endif
139#ifndef EV_PROTOTYPES
140# define EV_PROTOTYPES 1
141#endif
142
143#define EV_VERSION_MAJOR 3
144#define EV_VERSION_MINOR 0
145 251
146#ifndef EV_CB_DECLARE 252#ifndef EV_CB_DECLARE
147# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); 253# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
148#endif 254#endif
149#ifndef EV_CB_INVOKE 255#ifndef EV_CB_INVOKE
150# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) 256# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
151#endif 257#endif
152 258
259/* not official, do not use */
260#define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents)
261
153/* 262/*
154 * struct member types: 263 * struct member types:
155 * private: you can look at them, but not change them, and they might not mean anything to you. 264 * private: you may look at them, but not change them,
265 * and they might not mean anything to you.
156 * ro: can be read anytime, but only changed when the watcher isn't active 266 * ro: can be read anytime, but only changed when the watcher isn't active.
157 * rw: can be read and modified anytime, even when the watcher is active 267 * rw: can be read and modified anytime, even when the watcher is active.
268 *
269 * some internal details that might be helpful for debugging:
270 *
271 * active is either 0, which means the watcher is not active,
272 * or the array index of the watcher (periodics, timers)
273 * or the array index + 1 (most other watchers)
274 * or simply 1 for watchers that aren't in some array.
275 * pending is either 0, in which case the watcher isn't,
276 * or the array index + 1 in the pendings array.
158 */ 277 */
278
279#if EV_MINPRI == EV_MAXPRI
280# define EV_DECL_PRIORITY
281#elif !defined (EV_DECL_PRIORITY)
282# define EV_DECL_PRIORITY int priority;
283#endif
159 284
160/* shared by all watchers */ 285/* shared by all watchers */
161#define EV_WATCHER(type) \ 286#define EV_WATCHER(type) \
162 int active; /* private */ \ 287 int active; /* private */ \
163 int pending; /* private */ \ 288 int pending; /* private */ \
164 int priority; /* private */ \ 289 EV_DECL_PRIORITY /* private */ \
165 EV_COMMON /* rw */ \ 290 EV_COMMON /* rw */ \
166 EV_CB_DECLARE (type) /* private */ 291 EV_CB_DECLARE (type) /* private */
167 292
168#define EV_WATCHER_LIST(type) \ 293#define EV_WATCHER_LIST(type) \
169 EV_WATCHER (type) \ 294 EV_WATCHER (type) \
216{ 341{
217 EV_WATCHER_TIME (ev_periodic) 342 EV_WATCHER_TIME (ev_periodic)
218 343
219 ev_tstamp offset; /* rw */ 344 ev_tstamp offset; /* rw */
220 ev_tstamp interval; /* rw */ 345 ev_tstamp interval; /* rw */
221 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ 346 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now) EV_NOEXCEPT; /* rw */
222} ev_periodic; 347} ev_periodic;
223 348
224/* invoked when the given signal has been received */ 349/* invoked when the given signal has been received */
225/* revent EV_SIGNAL */ 350/* revent EV_SIGNAL */
226typedef struct ev_signal 351typedef struct ev_signal
265 390
266 int wd; /* wd for inotify, fd for kqueue */ 391 int wd; /* wd for inotify, fd for kqueue */
267} ev_stat; 392} ev_stat;
268#endif 393#endif
269 394
270#if EV_IDLE_ENABLE
271/* invoked when the nothing else needs to be done, keeps the process from blocking */ 395/* invoked when the nothing else needs to be done, keeps the process from blocking */
272/* revent EV_IDLE */ 396/* revent EV_IDLE */
273typedef struct ev_idle 397typedef struct ev_idle
274{ 398{
275 EV_WATCHER (ev_idle) 399 EV_WATCHER (ev_idle)
276} ev_idle; 400} ev_idle;
277#endif
278 401
279/* invoked for each run of the mainloop, just before the blocking call */ 402/* invoked for each run of the mainloop, just before the blocking call */
280/* you can still change events in any way you like */ 403/* you can still change events in any way you like */
281/* revent EV_PREPARE */ 404/* revent EV_PREPARE */
282typedef struct ev_prepare 405typedef struct ev_prepare
289typedef struct ev_check 412typedef struct ev_check
290{ 413{
291 EV_WATCHER (ev_check) 414 EV_WATCHER (ev_check)
292} ev_check; 415} ev_check;
293 416
294#if EV_FORK_ENABLE
295/* the callback gets invoked before check in the child process when a fork was detected */ 417/* the callback gets invoked before check in the child process when a fork was detected */
418/* revent EV_FORK */
296typedef struct ev_fork 419typedef struct ev_fork
297{ 420{
298 EV_WATCHER (ev_fork) 421 EV_WATCHER (ev_fork)
299} ev_fork; 422} ev_fork;
300#endif 423
424/* is invoked just before the loop gets destroyed */
425/* revent EV_CLEANUP */
426typedef struct ev_cleanup
427{
428 EV_WATCHER (ev_cleanup)
429} ev_cleanup;
301 430
302#if EV_EMBED_ENABLE 431#if EV_EMBED_ENABLE
303/* used to embed an event loop inside another */ 432/* used to embed an event loop inside another */
304/* the callback gets invoked when the event loop has handled events, and can be 0 */ 433/* the callback gets invoked when the event loop has handled events, and can be 0 */
305typedef struct ev_embed 434typedef struct ev_embed
306{ 435{
307 EV_WATCHER (ev_embed) 436 EV_WATCHER (ev_embed)
308 437
309 struct ev_loop *other; /* ro */ 438 struct ev_loop *other; /* ro */
439#undef EV_IO_ENABLE
440#define EV_IO_ENABLE 1
310 ev_io io; /* private */ 441 ev_io io; /* private */
442#undef EV_PREPARE_ENABLE
443#define EV_PREPARE_ENABLE 1
311 ev_prepare prepare; /* private */ 444 ev_prepare prepare; /* private */
312 ev_check check; /* unused */ 445 ev_check check; /* unused */
313 ev_timer timer; /* unused */ 446 ev_timer timer; /* unused */
314 ev_periodic periodic; /* unused */ 447 ev_periodic periodic; /* unused */
315 ev_idle idle; /* unused */ 448 ev_idle idle; /* unused */
316 ev_fork fork; /* unused */ 449 ev_fork fork; /* private */
450 ev_cleanup cleanup; /* unused */
317} ev_embed; 451} ev_embed;
318#endif 452#endif
319 453
320#if EV_ASYNC_ENABLE 454#if EV_ASYNC_ENABLE
321/* invoked when somebody calls ev_async_send on the watcher */ 455/* invoked when somebody calls ev_async_send on the watcher */
325 EV_WATCHER (ev_async) 459 EV_WATCHER (ev_async)
326 460
327 EV_ATOMIC_T sent; /* private */ 461 EV_ATOMIC_T sent; /* private */
328} ev_async; 462} ev_async;
329 463
330# define ev_async_pending(w) (((w)->sent + 0) 464# define ev_async_pending(w) (+(w)->sent)
331#endif 465#endif
332 466
333/* the presence of this union forces similar struct layout */ 467/* the presence of this union forces similar struct layout */
334union ev_any_watcher 468union ev_any_watcher
335{ 469{
350 struct ev_prepare prepare; 484 struct ev_prepare prepare;
351 struct ev_check check; 485 struct ev_check check;
352#if EV_FORK_ENABLE 486#if EV_FORK_ENABLE
353 struct ev_fork fork; 487 struct ev_fork fork;
354#endif 488#endif
489#if EV_CLEANUP_ENABLE
490 struct ev_cleanup cleanup;
491#endif
355#if EV_EMBED_ENABLE 492#if EV_EMBED_ENABLE
356 struct ev_embed embed; 493 struct ev_embed embed;
357#endif 494#endif
358#if EV_ASYND_ENABLE 495#if EV_ASYNC_ENABLE
359 struct ev_async async; 496 struct ev_async async;
360#endif 497#endif
361}; 498};
362 499
363/* bits for ev_default_loop and ev_loop_new */ 500/* flag bits for ev_default_loop and ev_loop_new */
501enum {
364/* the default */ 502 /* the default */
365#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ 503 EVFLAG_AUTO = 0x00000000U, /* not quite a mask */
366/* flag bits */ 504 /* flag bits */
367#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ 505 EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */
368#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */ 506 EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */
507 /* debugging/feature disable */
508 EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */
509#if EV_COMPAT3
510 EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */
511#endif
512 EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */
513 EVFLAG_NOSIGMASK = 0x00400000U, /* avoid modifying the signal mask */
514 EVFLAG_NOTIMERFD = 0x00800000U /* avoid creating a timerfd */
515};
516
369/* method bits to be ored together */ 517/* method bits to be ored together */
518enum {
370#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ 519 EVBACKEND_SELECT = 0x00000001U, /* available just about anywhere */
371#define EVBACKEND_POLL 0x00000002UL /* !win */ 520 EVBACKEND_POLL = 0x00000002U, /* !win, !aix, broken on osx */
372#define EVBACKEND_EPOLL 0x00000004UL /* linux */ 521 EVBACKEND_EPOLL = 0x00000004U, /* linux */
373#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ 522 EVBACKEND_KQUEUE = 0x00000008U, /* bsd, broken on osx */
374#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */ 523 EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */
375#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */ 524 EVBACKEND_PORT = 0x00000020U, /* solaris 10 */
525 EVBACKEND_LINUXAIO = 0x00000040U, /* linux AIO, 4.19+ */
526 EVBACKEND_IOURING = 0x00000080U, /* linux io_uring, 5.1+ */
527 EVBACKEND_ALL = 0x000000FFU, /* all known backends */
528 EVBACKEND_MASK = 0x0000FFFFU /* all future backends */
529};
376 530
377#if EV_PROTOTYPES 531#if EV_PROTOTYPES
378int ev_version_major (void); 532EV_API_DECL int ev_version_major (void) EV_NOEXCEPT;
379int ev_version_minor (void); 533EV_API_DECL int ev_version_minor (void) EV_NOEXCEPT;
380 534
381unsigned int ev_supported_backends (void); 535EV_API_DECL unsigned int ev_supported_backends (void) EV_NOEXCEPT;
382unsigned int ev_recommended_backends (void); 536EV_API_DECL unsigned int ev_recommended_backends (void) EV_NOEXCEPT;
383unsigned int ev_embeddable_backends (void); 537EV_API_DECL unsigned int ev_embeddable_backends (void) EV_NOEXCEPT;
384 538
385ev_tstamp ev_time (void); 539EV_API_DECL ev_tstamp ev_time (void) EV_NOEXCEPT;
386void ev_sleep (ev_tstamp delay); /* sleep for a while */ 540EV_API_DECL void ev_sleep (ev_tstamp delay) EV_NOEXCEPT; /* sleep for a while */
387 541
388/* Sets the allocation function to use, works like realloc. 542/* Sets the allocation function to use, works like realloc.
389 * It is used to allocate and free memory. 543 * It is used to allocate and free memory.
390 * If it returns zero when memory needs to be allocated, the library might abort 544 * If it returns zero when memory needs to be allocated, the library might abort
391 * or take some potentially destructive action. 545 * or take some potentially destructive action.
392 * The default is your system realloc function. 546 * The default is your system realloc function.
393 */ 547 */
394void ev_set_allocator (void *(*cb)(void *ptr, long size)); 548EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT;
395 549
396/* set the callback function to call on a 550/* set the callback function to call on a
397 * retryable syscall error 551 * retryable syscall error
398 * (such as failed select, poll, epoll_wait) 552 * (such as failed select, poll, epoll_wait)
399 */ 553 */
400void ev_set_syserr_cb (void (*cb)(const char *msg)); 554EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT;
401 555
402# if EV_MULTIPLICITY 556#if EV_MULTIPLICITY
557
403/* the default loop is the only one that handles signals and child watchers */ 558/* the default loop is the only one that handles signals and child watchers */
404/* you can call this as often as you like */ 559/* you can call this as often as you like */
405static struct ev_loop * 560EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT;
406ev_default_loop (unsigned int flags) 561
562#ifdef EV_API_STATIC
563EV_API_DECL struct ev_loop *ev_default_loop_ptr;
564#endif
565
566EV_INLINE struct ev_loop *
567ev_default_loop_uc_ (void) EV_NOEXCEPT
407{ 568{
408 extern struct ev_loop *ev_default_loop_ptr; 569 extern struct ev_loop *ev_default_loop_ptr;
409 extern struct ev_loop *ev_default_loop_init (unsigned int flags);
410
411 if (!ev_default_loop_ptr)
412 ev_default_loop_init (flags);
413 570
414 return ev_default_loop_ptr; 571 return ev_default_loop_ptr;
415} 572}
416 573
574EV_INLINE int
575ev_is_default_loop (EV_P) EV_NOEXCEPT
576{
577 return EV_A == EV_DEFAULT_UC;
578}
579
417/* create and destroy alternative loops that don't handle signals */ 580/* create and destroy alternative loops that don't handle signals */
418struct ev_loop *ev_loop_new (unsigned int flags); 581EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT;
419void ev_loop_destroy (EV_P);
420void ev_loop_fork (EV_P);
421 582
422ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ 583EV_API_DECL ev_tstamp ev_now (EV_P) EV_NOEXCEPT; /* time w.r.t. timers and the eventloop, updated after each poll */
423 584
424# else 585#else
425 586
426int ev_default_loop (unsigned int flags); /* returns true when successful */ 587EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT; /* returns true when successful */
427 588
428static ev_tstamp 589EV_API_DECL ev_tstamp ev_rt_now;
429ev_now (void)
430{
431 extern ev_tstamp ev_rt_now;
432 590
591EV_INLINE ev_tstamp
592ev_now (void) EV_NOEXCEPT
593{
433 return ev_rt_now; 594 return ev_rt_now;
434} 595}
435# endif
436 596
437static int 597/* looks weird, but ev_is_default_loop (EV_A) still works if this exists */
598EV_INLINE int
438ev_is_default_loop (EV_P) 599ev_is_default_loop (void) EV_NOEXCEPT
439{ 600{
440#if EV_MULTIPLICITY
441 extern struct ev_loop *ev_default_loop_ptr;
442
443 return !!(EV_A == ev_default_loop_ptr);
444#else
445 return 1; 601 return 1;
446#endif
447} 602}
448 603
449void ev_default_destroy (void); /* destroy the default loop */ 604#endif /* multiplicity */
605
606/* destroy event loops, also works for the default loop */
607EV_API_DECL void ev_loop_destroy (EV_P);
608
450/* this needs to be called after fork, to duplicate the default loop */ 609/* this needs to be called after fork, to duplicate the loop */
451/* if you create alternative loops you have to call ev_loop_fork on them */ 610/* when you want to re-use it in the child */
452/* you can call it in either the parent or the child */ 611/* you can call it in either the parent or the child */
453/* you can actually call it at any time, anywhere :) */ 612/* you can actually call it at any time, anywhere :) */
454void ev_default_fork (void); 613EV_API_DECL void ev_loop_fork (EV_P) EV_NOEXCEPT;
455 614
456unsigned int ev_backend (EV_P); /* backend in use by loop */ 615EV_API_DECL unsigned int ev_backend (EV_P) EV_NOEXCEPT; /* backend in use by loop */
457unsigned int ev_loop_count (EV_P); /* number of loop iterations */
458#endif
459 616
460#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 617EV_API_DECL void ev_now_update (EV_P) EV_NOEXCEPT; /* update event loop time */
461#define EVLOOP_ONESHOT 2 /* block *once* only */ 618
462#define EVUNLOOP_CANCEL 0 /* undo unloop */ 619#if EV_WALK_ENABLE
463#define EVUNLOOP_ONE 1 /* unloop once */ 620/* walk (almost) all watchers in the loop of a given type, invoking the */
621/* callback on every such watcher. The callback might stop the watcher, */
622/* but do nothing else with the loop */
623EV_API_DECL void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT;
624#endif
625
626#endif /* prototypes */
627
628/* ev_run flags values */
629enum {
630 EVRUN_NOWAIT = 1, /* do not block/wait */
631 EVRUN_ONCE = 2 /* block *once* only */
632};
633
634/* ev_break how values */
635enum {
636 EVBREAK_CANCEL = 0, /* undo unloop */
637 EVBREAK_ONE = 1, /* unloop once */
464#define EVUNLOOP_ALL 2 /* unloop all loops */ 638 EVBREAK_ALL = 2 /* unloop all loops */
639};
465 640
466#if EV_PROTOTYPES 641#if EV_PROTOTYPES
467void ev_loop (EV_P_ int flags); 642EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0));
468void 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 */ 643EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)) EV_NOEXCEPT; /* break out of the loop */
469
470void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
471void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
472 644
473/* 645/*
474 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher 646 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
475 * keeps one reference. if you have a long-runing watcher you never unregister that 647 * keeps one reference. if you have a long-running watcher you never unregister that
476 * should not keep ev_loop from running, unref() after starting, and ref() before stopping. 648 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
477 */ 649 */
478void ev_ref (EV_P); 650EV_API_DECL void ev_ref (EV_P) EV_NOEXCEPT;
479void ev_unref (EV_P); 651EV_API_DECL void ev_unref (EV_P) EV_NOEXCEPT;
480 652
653/*
481/* convinience function, wait for a single event, without registering an event watcher */ 654 * convenience function, wait for a single event, without registering an event watcher
482/* if timeout is < 0, do wait indefinitely */ 655 * if timeout is < 0, do wait indefinitely
656 */
483void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 657EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT;
658
659EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */
660
661# if EV_FEATURE_API
662EV_API_DECL unsigned int ev_iteration (EV_P) EV_NOEXCEPT; /* number of loop iterations */
663EV_API_DECL unsigned int ev_depth (EV_P) EV_NOEXCEPT; /* #ev_loop enters - #ev_loop leaves */
664EV_API_DECL void ev_verify (EV_P) EV_NOEXCEPT; /* abort if loop data corrupted */
665
666EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT; /* sleep at least this time, default 0 */
667EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT; /* sleep at least this time, default 0 */
668
669/* advanced stuff for threading etc. support, see docs */
670EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT;
671EV_API_DECL void *ev_userdata (EV_P) EV_NOEXCEPT;
672typedef void (*ev_loop_callback)(EV_P);
673EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT;
674/* C++ doesn't allow the use of the ev_loop_callback typedef here, so we need to spell it out */
675EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT;
676
677EV_API_DECL unsigned int ev_pending_count (EV_P) EV_NOEXCEPT; /* number of pending events, if any */
678
679/*
680 * stop/start the timer handling.
681 */
682EV_API_DECL void ev_suspend (EV_P) EV_NOEXCEPT;
683EV_API_DECL void ev_resume (EV_P) EV_NOEXCEPT;
684#endif
685
484#endif 686#endif
485 687
486/* these may evaluate ev multiple times, and the other arguments at most once */ 688/* these may evaluate ev multiple times, and the other arguments at most once */
487/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 689/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
488#define ev_init(ev,cb_) do { \ 690#define ev_init(ev,cb_) do { \
489 ((ev_watcher *)(void *)(ev))->active = \ 691 ((ev_watcher *)(void *)(ev))->active = \
490 ((ev_watcher *)(void *)(ev))->pending = \ 692 ((ev_watcher *)(void *)(ev))->pending = 0; \
491 ((ev_watcher *)(void *)(ev))->priority = 0; \ 693 ev_set_priority ((ev), 0); \
492 ev_set_cb ((ev), cb_); \ 694 ev_set_cb ((ev), cb_); \
493} while (0) 695} while (0)
494 696
697#define ev_io_modify(ev,events_) do { (ev)->events = (ev)->events & EV__IOMASK | (events_); } while (0)
495#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0) 698#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0)
496#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 699#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
497#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) 700#define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0)
498#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 701#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
499#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) 702#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
500#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) 703#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
501#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 704#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
502#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 705#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
503#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 706#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
504#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) 707#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
505#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ 708#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
506#define ev_async_set(ev) do { (ev)->sent = 0; } while (0) 709#define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */
710#define ev_async_set(ev) /* nop, yes, this is a serious in-joke */
507 711
508#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 712#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
509#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 713#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
510#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) 714#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
511#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) 715#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
512#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0) 716#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
513#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) 717#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
514#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) 718#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
515#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) 719#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
516#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) 720#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
517#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) 721#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
518#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) 722#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
723#define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0)
519#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) 724#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
520 725
521#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 726#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
522#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 727#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
523 728
524#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
525#define ev_cb(ev) (ev)->cb /* rw */ 729#define ev_cb_(ev) (ev)->cb /* rw */
730#define ev_cb(ev) (memmove (&ev_cb_ (ev), &((ev_watcher *)(ev))->cb, sizeof (ev_cb_ (ev))), (ev)->cb)
731
732#if EV_MINPRI == EV_MAXPRI
733# define ev_priority(ev) ((ev), EV_MINPRI)
734# define ev_set_priority(ev,pri) ((ev), (pri))
735#else
736# define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority))
526#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri) 737# define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri)
738#endif
739
740#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
527 741
528#ifndef ev_set_cb 742#ifndef ev_set_cb
529# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 743# define ev_set_cb(ev,cb_) (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
530#endif 744#endif
531 745
532/* stopping (enabling, adding) a watcher does nothing if it is already running */ 746/* stopping (enabling, adding) a watcher does nothing if it is already running */
533/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 747/* stopping (disabling, deleting) a watcher does nothing unless it's already running */
534#if EV_PROTOTYPES 748#if EV_PROTOTYPES
535 749
536/* feeds an event into a watcher as if the event actually occured */ 750/* feeds an event into a watcher as if the event actually occurred */
537/* accepts any ev_watcher type */ 751/* accepts any ev_watcher type */
538void ev_feed_event (EV_P_ void *w, int revents); 752EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT;
539void ev_feed_fd_event (EV_P_ int fd, int revents); 753EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT;
754#if EV_SIGNAL_ENABLE
755EV_API_DECL void ev_feed_signal (int signum) EV_NOEXCEPT;
540void ev_feed_signal_event (EV_P_ int signum); 756EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT;
757#endif
541void ev_invoke (EV_P_ void *w, int revents); 758EV_API_DECL void ev_invoke (EV_P_ void *w, int revents);
542int ev_clear_pending (EV_P_ void *w); 759EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT;
543 760
544void ev_io_start (EV_P_ ev_io *w); 761EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT;
545void ev_io_stop (EV_P_ ev_io *w); 762EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT;
546 763
547void ev_timer_start (EV_P_ ev_timer *w); 764EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT;
548void ev_timer_stop (EV_P_ ev_timer *w); 765EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT;
549/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ 766/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
550void ev_timer_again (EV_P_ ev_timer *w); 767EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT;
768/* return remaining time */
769EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT;
551 770
552#if EV_PERIODIC_ENABLE 771#if EV_PERIODIC_ENABLE
553void ev_periodic_start (EV_P_ ev_periodic *w); 772EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT;
554void ev_periodic_stop (EV_P_ ev_periodic *w); 773EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT;
555void ev_periodic_again (EV_P_ ev_periodic *w); 774EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT;
556#endif 775#endif
557 776
558/* only supported in the default loop */ 777/* only supported in the default loop */
778#if EV_SIGNAL_ENABLE
559void ev_signal_start (EV_P_ ev_signal *w); 779EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT;
560void ev_signal_stop (EV_P_ ev_signal *w); 780EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT;
781#endif
561 782
562/* only supported in the default loop */ 783/* only supported in the default loop */
784# if EV_CHILD_ENABLE
563void ev_child_start (EV_P_ ev_child *w); 785EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT;
564void ev_child_stop (EV_P_ ev_child *w); 786EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT;
787# endif
565 788
566# if EV_STAT_ENABLE 789# if EV_STAT_ENABLE
567void ev_stat_start (EV_P_ ev_stat *w); 790EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT;
568void ev_stat_stop (EV_P_ ev_stat *w); 791EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT;
569void ev_stat_stat (EV_P_ ev_stat *w); 792EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT;
570# endif 793# endif
571 794
572# if EV_IDLE_ENABLE 795# if EV_IDLE_ENABLE
573void ev_idle_start (EV_P_ ev_idle *w); 796EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT;
574void ev_idle_stop (EV_P_ ev_idle *w); 797EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT;
798# endif
799
800#if EV_PREPARE_ENABLE
801EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT;
802EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT;
575# endif 803#endif
576 804
577void ev_prepare_start (EV_P_ ev_prepare *w); 805#if EV_CHECK_ENABLE
578void ev_prepare_stop (EV_P_ ev_prepare *w);
579
580void ev_check_start (EV_P_ ev_check *w); 806EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT;
581void ev_check_stop (EV_P_ ev_check *w); 807EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT;
808#endif
582 809
583# if EV_FORK_ENABLE 810# if EV_FORK_ENABLE
584void ev_fork_start (EV_P_ ev_fork *w); 811EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT;
585void ev_fork_stop (EV_P_ ev_fork *w); 812EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT;
813# endif
814
815# if EV_CLEANUP_ENABLE
816EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT;
817EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT;
586# endif 818# endif
587 819
588# if EV_EMBED_ENABLE 820# if EV_EMBED_ENABLE
589/* only supported when loop to be embedded is in fact embeddable */ 821/* only supported when loop to be embedded is in fact embeddable */
590void ev_embed_start (EV_P_ ev_embed *w); 822EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT;
591void ev_embed_stop (EV_P_ ev_embed *w); 823EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT;
592void ev_embed_sweep (EV_P_ ev_embed *w); 824EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT;
593# endif 825# endif
594 826
595# if EV_ASYNC_ENABLE 827# if EV_ASYNC_ENABLE
596void ev_async_start (EV_P_ ev_async *w); 828EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT;
597void ev_async_stop (EV_P_ ev_async *w); 829EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT;
598void ev_async_send (EV_P_ ev_async *w); 830EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT;
599# endif
600
601#endif 831# endif
602 832
603#ifdef __cplusplus 833#if EV_COMPAT3
604} 834 #define EVLOOP_NONBLOCK EVRUN_NOWAIT
835 #define EVLOOP_ONESHOT EVRUN_ONCE
836 #define EVUNLOOP_CANCEL EVBREAK_CANCEL
837 #define EVUNLOOP_ONE EVBREAK_ONE
838 #define EVUNLOOP_ALL EVBREAK_ALL
839 #if EV_PROTOTYPES
840 EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); }
841 EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); }
842 EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); }
843 EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); }
844 #if EV_FEATURE_API
845 EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); }
846 EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); }
847 EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); }
848 #endif
605#endif 849 #endif
606 850#else
851 typedef struct ev_loop ev_loop;
607#endif 852#endif
608 853
854#endif
855
856EV_CPP(})
857
858#endif
859

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