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Comparing libev/ev.h (file contents):
Revision 1.76 by root, Thu Nov 29 17:28:13 2007 UTC vs.
Revision 1.204 by root, Fri Jan 24 13:21:28 2020 UTC

1/* 1/*
2 * libev native API header
3 *
2 * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007-2020 Marc Alexander Lehmann <libev@schmorp.de>
3 * All rights reserved. 5 * All rights reserved.
4 * 6 *
5 * Redistribution and use in source and binary forms, with or without 7 * Redistribution and use in source and binary forms, with or without modifica-
6 * modification, are permitted provided that the following conditions are 8 * tion, are permitted provided that the following conditions are met:
7 * met:
8 * 9 *
9 * * Redistributions of source code must retain the above copyright 10 * 1. Redistributions of source code must retain the above copyright notice,
10 * notice, this list of conditions and the following disclaimer. 11 * this list of conditions and the following disclaimer.
11 * 12 *
12 * * Redistributions in binary form must reproduce the above 13 * 2. Redistributions in binary form must reproduce the above copyright
13 * copyright notice, this list of conditions and the following 14 * notice, this list of conditions and the following disclaimer in the
14 * disclaimer in the documentation and/or other materials provided 15 * documentation and/or other materials provided with the distribution.
15 * with the distribution.
16 * 16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Alternatively, the contents of this file may be used under the terms of
29 * the GNU General Public License ("GPL") version 2 or any later version,
30 * in which case the provisions of the GPL are applicable instead of
31 * the above. If you wish to allow the use of your version of this file
32 * only under the terms of the GPL and not to allow others to use your
33 * version of this file under the BSD license, indicate your decision
34 * by deleting the provisions above and replace them with the notice
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
37 * either the BSD or the GPL.
28 */ 38 */
29 39
30#ifndef EV_H__ 40#ifndef EV_H_
31#define EV_H__ 41#define EV_H_
32 42
33#ifdef __cplusplus 43#ifdef __cplusplus
34extern "C" { 44# define EV_CPP(x) x
45# if __cplusplus >= 201103L
46# define EV_NOEXCEPT noexcept
47# else
48# define EV_NOEXCEPT
35#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 */
36 55
37typedef double ev_tstamp; 56EV_CPP(extern "C" {)
38 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
39/* these priorities are inclusive, higher priorities will be called earlier */ 81/* these priorities are inclusive, higher priorities will be invoked earlier */
40#ifndef EV_MINPRI 82#ifndef EV_MINPRI
41# define EV_MINPRI -2 83# define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0)
42#endif 84#endif
43#ifndef EV_MAXPRI 85#ifndef EV_MAXPRI
44# define EV_MAXPRI +2 86# define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0)
45#endif 87#endif
46 88
47#ifndef EV_MULTIPLICITY 89#ifndef EV_MULTIPLICITY
48# define EV_MULTIPLICITY 1 90# define EV_MULTIPLICITY EV_FEATURE_CONFIG
49#endif 91#endif
50 92
51#ifndef EV_PERIODIC_ENABLE 93#ifndef EV_PERIODIC_ENABLE
52# define EV_PERIODIC_ENABLE 1 94# define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS
53#endif 95#endif
54 96
55#ifndef EV_STAT_ENABLE 97#ifndef EV_STAT_ENABLE
56# 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
107#endif
108
109#ifndef EV_IDLE_ENABLE
110# define EV_IDLE_ENABLE EV_FEATURE_WATCHERS
57#endif 111#endif
58 112
59#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
60# 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
61#endif 135#endif
62 136
63#ifndef EV_EMBED_ENABLE 137#ifndef EV_EMBED_ENABLE
64# define EV_EMBED_ENABLE 1 138# define EV_EMBED_ENABLE EV_FEATURE_WATCHERS
139#endif
140
141#ifndef EV_WALK_ENABLE
142# define EV_WALK_ENABLE 0 /* not yet */
65#endif 143#endif
66 144
67/*****************************************************************************/ 145/*****************************************************************************/
68 146
147#if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE
148# undef EV_SIGNAL_ENABLE
149# define EV_SIGNAL_ENABLE 1
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 */
160
161#ifndef EV_ATOMIC_T
162# include <signal.h>
163# define EV_ATOMIC_T sig_atomic_t volatile
164#endif
165
69#if EV_STAT_ENABLE 166#if EV_STAT_ENABLE
167# ifdef _WIN32
168# include <time.h>
169# include <sys/types.h>
170# endif
70# include <sys/stat.h> 171# include <sys/stat.h>
71#endif 172#endif
72 173
73/* support multiple event loops? */ 174/* support multiple event loops? */
74#if EV_MULTIPLICITY 175#if EV_MULTIPLICITY
75struct ev_loop; 176struct ev_loop;
76# define EV_P struct ev_loop *loop 177# define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */
77# define EV_P_ EV_P, 178# define EV_P_ EV_P, /* a loop as first of multiple parameters */
78# define EV_A loop 179# define EV_A loop /* a loop as sole argument to a function call */
79# define EV_A_ EV_A, 180# define EV_A_ EV_A, /* a loop as first of multiple arguments */
80# define EV_DEFAULT ev_default_loop (0) 181# define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */
81# 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 */
82#else 185#else
83# define EV_P void 186# define EV_P void
84# define EV_P_ 187# define EV_P_
85# define EV_A 188# define EV_A
86# define EV_A_ 189# define EV_A_
87# define EV_DEFAULT 190# define EV_DEFAULT
88# define EV_DEFAULT_ 191# define EV_DEFAULT_
89 192# define EV_DEFAULT_UC
193# define EV_DEFAULT_UC_
90# undef EV_EMBED_ENABLE 194# undef EV_EMBED_ENABLE
91#endif 195#endif
92 196
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 32
219
93/* eventmask, revents, events... */ 220/* eventmask, revents, events... */
94#define EV_UNDEF -1L /* guaranteed to be invalid */ 221enum {
222 EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */
95#define EV_NONE 0x00L /* no events */ 223 EV_NONE = 0x00, /* no events */
96#define EV_READ 0x01L /* ev_io detected read will not block */ 224 EV_READ = 0x01, /* ev_io detected read will not block */
97#define EV_WRITE 0x02L /* ev_io detected write will not block */ 225 EV_WRITE = 0x02, /* ev_io detected write will not block */
226 EV__IOFDSET = 0x80, /* internal use only */
227 EV_IO = EV_READ, /* alias for type-detection */
98#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
99#define EV_PERIODIC 0x00000200L /* periodic timer timed out */ 232 EV_PERIODIC = 0x00000200, /* periodic timer timed out */
100#define EV_SIGNAL 0x00000400L /* signal was received */ 233 EV_SIGNAL = 0x00000400, /* signal was received */
101#define EV_CHILD 0x00000800L /* child/pid had status change */ 234 EV_CHILD = 0x00000800, /* child/pid had status change */
102#define EV_STAT 0x00001000L /* stat data changed */ 235 EV_STAT = 0x00001000, /* stat data changed */
103#define EV_IDLE 0x00002000L /* event loop is idling */ 236 EV_IDLE = 0x00002000, /* event loop is idling */
104#define EV_PREPARE 0x00004000L /* event loop about to poll */ 237 EV_PREPARE = 0x00004000, /* event loop about to poll */
105#define EV_CHECK 0x00008000L /* event loop finished poll */ 238 EV_CHECK = 0x00008000, /* event loop finished poll */
106#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */ 239 EV_EMBED = 0x00010000, /* embedded event loop needs sweep */
107#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 */
242 EV_ASYNC = 0x00080000, /* async intra-loop signal */
243 EV_CUSTOM = 0x01000000, /* for use by user code */
108#define EV_ERROR 0x80000000L /* sent when an error occurs */ 244 EV_ERROR = (int)0x80000000 /* sent when an error occurs */
245};
109 246
110/* 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 */
111#ifndef EV_COMMON 248#ifndef EV_COMMON
112# define EV_COMMON void *data; 249# define EV_COMMON void *data;
113#endif 250#endif
114#ifndef EV_PROTOTYPES
115# define EV_PROTOTYPES 1
116#endif
117
118#define EV_VERSION_MAJOR 1
119#define EV_VERSION_MINOR 1
120 251
121#ifndef EV_CB_DECLARE 252#ifndef EV_CB_DECLARE
122# 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);
123#endif 254#endif
124#ifndef EV_CB_INVOKE 255#ifndef EV_CB_INVOKE
125# 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))
126#endif 257#endif
127 258
259/* not official, do not use */
260#define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents)
261
128/* 262/*
129 * struct member types: 263 * struct member types:
130 * 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.
131 * 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.
132 * 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.
133 */ 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
134 284
135/* shared by all watchers */ 285/* shared by all watchers */
136#define EV_WATCHER(type) \ 286#define EV_WATCHER(type) \
137 int active; /* private */ \ 287 int active; /* private */ \
138 int pending; /* private */ \ 288 int pending; /* private */ \
139 int priority; /* private */ \ 289 EV_DECL_PRIORITY /* private */ \
140 EV_COMMON /* rw */ \ 290 EV_COMMON /* rw */ \
141 EV_CB_DECLARE (type) /* private */ 291 EV_CB_DECLARE (type) /* private */
142 292
143#define EV_WATCHER_LIST(type) \ 293#define EV_WATCHER_LIST(type) \
144 EV_WATCHER (type) \ 294 EV_WATCHER (type) \
189/* revent EV_PERIODIC */ 339/* revent EV_PERIODIC */
190typedef struct ev_periodic 340typedef struct ev_periodic
191{ 341{
192 EV_WATCHER_TIME (ev_periodic) 342 EV_WATCHER_TIME (ev_periodic)
193 343
344 ev_tstamp offset; /* rw */
194 ev_tstamp interval; /* rw */ 345 ev_tstamp interval; /* rw */
195 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 */
196} ev_periodic; 347} ev_periodic;
197 348
198/* invoked when the given signal has been received */ 349/* invoked when the given signal has been received */
199/* revent EV_SIGNAL */ 350/* revent EV_SIGNAL */
200typedef struct ev_signal 351typedef struct ev_signal
209/* does not support priorities */ 360/* does not support priorities */
210typedef struct ev_child 361typedef struct ev_child
211{ 362{
212 EV_WATCHER_LIST (ev_child) 363 EV_WATCHER_LIST (ev_child)
213 364
365 int flags; /* private */
214 int pid; /* ro */ 366 int pid; /* ro */
215 int rpid; /* rw, holds the received pid */ 367 int rpid; /* rw, holds the received pid */
216 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ 368 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
217} ev_child; 369} ev_child;
218 370
260typedef struct ev_check 412typedef struct ev_check
261{ 413{
262 EV_WATCHER (ev_check) 414 EV_WATCHER (ev_check)
263} ev_check; 415} ev_check;
264 416
265#if EV_FORK_ENABLE
266/* 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 */
267typedef struct ev_fork 419typedef struct ev_fork
268{ 420{
269 EV_WATCHER (ev_fork) 421 EV_WATCHER (ev_fork)
270} ev_fork; 422} ev_fork;
271#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;
272 430
273#if EV_EMBED_ENABLE 431#if EV_EMBED_ENABLE
274/* used to embed an event loop inside another */ 432/* used to embed an event loop inside another */
275/* 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 */
276typedef struct ev_embed 434typedef struct ev_embed
277{ 435{
278 EV_WATCHER (ev_embed) 436 EV_WATCHER (ev_embed)
279 437
280 ev_io io; /* private */
281 struct ev_loop *loop; /* ro */ 438 struct ev_loop *other; /* ro */
439#undef EV_IO_ENABLE
440#define EV_IO_ENABLE 1
441 ev_io io; /* private */
442#undef EV_PREPARE_ENABLE
443#define EV_PREPARE_ENABLE 1
444 ev_prepare prepare; /* private */
445 ev_check check; /* unused */
446 ev_timer timer; /* unused */
447 ev_periodic periodic; /* unused */
448 ev_idle idle; /* unused */
449 ev_fork fork; /* private */
450 ev_cleanup cleanup; /* unused */
282} ev_embed; 451} ev_embed;
452#endif
453
454#if EV_ASYNC_ENABLE
455/* invoked when somebody calls ev_async_send on the watcher */
456/* revent EV_ASYNC */
457typedef struct ev_async
458{
459 EV_WATCHER (ev_async)
460
461 EV_ATOMIC_T sent; /* private */
462} ev_async;
463
464# define ev_async_pending(w) (+(w)->sent)
283#endif 465#endif
284 466
285/* the presence of this union forces similar struct layout */ 467/* the presence of this union forces similar struct layout */
286union ev_any_watcher 468union ev_any_watcher
287{ 469{
294 struct ev_signal signal; 476 struct ev_signal signal;
295 struct ev_child child; 477 struct ev_child child;
296#if EV_STAT_ENABLE 478#if EV_STAT_ENABLE
297 struct ev_stat stat; 479 struct ev_stat stat;
298#endif 480#endif
481#if EV_IDLE_ENABLE
299 struct ev_idle idle; 482 struct ev_idle idle;
483#endif
300 struct ev_prepare prepare; 484 struct ev_prepare prepare;
301 struct ev_check check; 485 struct ev_check check;
302#if EV_FORK_ENABLE 486#if EV_FORK_ENABLE
303 struct ev_fork fork; 487 struct ev_fork fork;
304#endif 488#endif
489#if EV_CLEANUP_ENABLE
490 struct ev_cleanup cleanup;
491#endif
305#if EV_EMBED_ENABLE 492#if EV_EMBED_ENABLE
306 struct ev_embed embed; 493 struct ev_embed embed;
307#endif 494#endif
495#if EV_ASYNC_ENABLE
496 struct ev_async async;
497#endif
308}; 498};
309 499
310/* bits for ev_default_loop and ev_loop_new */ 500/* flag bits for ev_default_loop and ev_loop_new */
501enum {
311/* the default */ 502 /* the default */
312#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ 503 EVFLAG_AUTO = 0x00000000U, /* not quite a mask */
313/* flag bits */ 504 /* flag bits */
314#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ 505 EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */
315#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
316/* method bits to be ored together */ 517/* method bits to be ored together */
518enum {
317#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ 519 EVBACKEND_SELECT = 0x00000001U, /* available just about anywhere */
318#define EVBACKEND_POLL 0x00000002UL /* !win */ 520 EVBACKEND_POLL = 0x00000002U, /* !win, !aix, broken on osx */
319#define EVBACKEND_EPOLL 0x00000004UL /* linux */ 521 EVBACKEND_EPOLL = 0x00000004U, /* linux */
320#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ 522 EVBACKEND_KQUEUE = 0x00000008U, /* bsd, broken on osx */
321#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */ 523 EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */
322#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};
323 530
324#if EV_PROTOTYPES 531#if EV_PROTOTYPES
325int ev_version_major (void); 532EV_API_DECL int ev_version_major (void) EV_NOEXCEPT;
326int ev_version_minor (void); 533EV_API_DECL int ev_version_minor (void) EV_NOEXCEPT;
327 534
328unsigned int ev_supported_backends (void); 535EV_API_DECL unsigned int ev_supported_backends (void) EV_NOEXCEPT;
329unsigned int ev_recommended_backends (void); 536EV_API_DECL unsigned int ev_recommended_backends (void) EV_NOEXCEPT;
330unsigned int ev_embeddable_backends (void); 537EV_API_DECL unsigned int ev_embeddable_backends (void) EV_NOEXCEPT;
331 538
332ev_tstamp ev_time (void); 539EV_API_DECL ev_tstamp ev_time (void) EV_NOEXCEPT;
540EV_API_DECL void ev_sleep (ev_tstamp delay) EV_NOEXCEPT; /* sleep for a while */
333 541
334/* Sets the allocation function to use, works like realloc. 542/* Sets the allocation function to use, works like realloc.
335 * It is used to allocate and free memory. 543 * It is used to allocate and free memory.
336 * 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
337 * or take some potentially destructive action. 545 * or take some potentially destructive action.
338 * The default is your system realloc function. 546 * The default is your system realloc function.
339 */ 547 */
340void 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;
341 549
342/* set the callback function to call on a 550/* set the callback function to call on a
343 * retryable syscall error 551 * retryable syscall error
344 * (such as failed select, poll, epoll_wait) 552 * (such as failed select, poll, epoll_wait)
345 */ 553 */
346void 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;
347 555
348# if EV_MULTIPLICITY 556#if EV_MULTIPLICITY
557
349/* 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 */
350/* you can call this as often as you like */ 559/* you can call this as often as you like */
351static struct ev_loop * 560EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT;
352ev_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
353{ 568{
354 extern struct ev_loop *ev_default_loop_ptr; 569 extern struct ev_loop *ev_default_loop_ptr;
355 extern struct ev_loop *ev_default_loop_init (unsigned int flags);
356
357 if (!ev_default_loop_ptr)
358 ev_default_loop_init (flags);
359 570
360 return ev_default_loop_ptr; 571 return ev_default_loop_ptr;
361} 572}
362 573
574EV_INLINE int
575ev_is_default_loop (EV_P) EV_NOEXCEPT
576{
577 return EV_A == EV_DEFAULT_UC;
578}
579
363/* create and destroy alternative loops that don't handle signals */ 580/* create and destroy alternative loops that don't handle signals */
364struct 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;
365void ev_loop_destroy (EV_P);
366void ev_loop_fork (EV_P);
367 582
368ev_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 */
369 584
370# else 585#else
371 586
372int 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 */
373 588
374static ev_tstamp 589EV_API_DECL ev_tstamp ev_rt_now;
375ev_now (void)
376{
377 extern ev_tstamp ev_rt_now;
378 590
591EV_INLINE ev_tstamp
592ev_now (void) EV_NOEXCEPT
593{
379 return ev_rt_now; 594 return ev_rt_now;
380} 595}
381# endif
382 596
383void ev_default_destroy (void); /* destroy the default loop */ 597/* looks weird, but ev_is_default_loop (EV_A) still works if this exists */
598EV_INLINE int
599ev_is_default_loop (void) EV_NOEXCEPT
600{
601 return 1;
602}
603
604#endif /* multiplicity */
605
606/* destroy event loops, also works for the default loop */
607EV_API_DECL void ev_loop_destroy (EV_P);
608
384/* this needs to be called after fork, to duplicate the default loop */ 609/* this needs to be called after fork, to duplicate the loop */
385/* 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 */
386/* you can call it in either the parent or the child */ 611/* you can call it in either the parent or the child */
387/* you can actually call it at any time, anywhere :) */ 612/* you can actually call it at any time, anywhere :) */
388void ev_default_fork (void); 613EV_API_DECL void ev_loop_fork (EV_P) EV_NOEXCEPT;
389 614
390unsigned int ev_backend (EV_P); 615EV_API_DECL unsigned int ev_backend (EV_P) EV_NOEXCEPT; /* backend in use by loop */
391#endif
392 616
393#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 617EV_API_DECL void ev_now_update (EV_P) EV_NOEXCEPT; /* update event loop time */
394#define EVLOOP_ONESHOT 2 /* block *once* only */ 618
395#define EVUNLOOP_CANCEL 0 /* undo unloop */ 619#if EV_WALK_ENABLE
396#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 */
397#define EVUNLOOP_ALL 2 /* unloop all loops */ 638 EVBREAK_ALL = 2 /* unloop all loops */
639};
398 640
399#if EV_PROTOTYPES 641#if EV_PROTOTYPES
400void ev_loop (EV_P_ int flags); 642EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0));
401void 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 */
402 644
403/* 645/*
404 * 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
405 * 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
406 * 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.
407 */ 649 */
408void ev_ref (EV_P); 650EV_API_DECL void ev_ref (EV_P) EV_NOEXCEPT;
409void ev_unref (EV_P); 651EV_API_DECL void ev_unref (EV_P) EV_NOEXCEPT;
410 652
653/*
411/* 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
412/* if timeout is < 0, do wait indefinitely */ 655 * if timeout is < 0, do wait indefinitely
656 */
413void 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
414#endif 686#endif
415 687
416/* 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 */
417/* 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 */
418#define ev_init(ev,cb_) do { \ 690#define ev_init(ev,cb_) do { \
419 ((ev_watcher *)(void *)(ev))->active = \ 691 ((ev_watcher *)(void *)(ev))->active = \
420 ((ev_watcher *)(void *)(ev))->pending = \ 692 ((ev_watcher *)(void *)(ev))->pending = 0; \
421 ((ev_watcher *)(void *)(ev))->priority = 0; \ 693 ev_set_priority ((ev), 0); \
422 ev_set_cb ((ev), cb_); \ 694 ev_set_cb ((ev), cb_); \
423} while (0) 695} while (0)
424 696
697#define ev_io_modify(ev,events_) do { (ev)->events = (ev)->events & EV__IOFDSET | (events_); } while (0)
425#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 698#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0)
426#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)
427#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (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)
428#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)
429#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) 702#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
430#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)
431#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 */
432#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 */
433#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 */
434#define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0) 707#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
435#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 */
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 */
436 711
437#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)
438#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)
439#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)
440#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)
441#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) 716#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
442#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_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)
443#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)
444#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)
445#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)
446#define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0) 721#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
447#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)
724#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
448 725
449#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 */
450#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 */
451 728
452#define ev_priority(ev) ((ev_watcher *)(void *)(ev))->priority /* rw */
453#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)
454#define ev_set_priority(ev,pri) ev_priority (ev) = (pri) 734# define ev_set_priority(ev,pri) ((ev), (pri))
735#else
736# define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority))
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)
455 741
456#ifndef ev_set_cb 742#ifndef ev_set_cb
457# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 743/* memmove is used here to avoid strict aliasing violations, and hopefully is optimized out by any reasonable compiler */
744# define ev_set_cb(ev,cb_) (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
458#endif 745#endif
459 746
460/* stopping (enabling, adding) a watcher does nothing if it is already running */ 747/* stopping (enabling, adding) a watcher does nothing if it is already running */
461/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 748/* stopping (disabling, deleting) a watcher does nothing unless it's already running */
462#if EV_PROTOTYPES 749#if EV_PROTOTYPES
463 750
464/* feeds an event into a watcher as if the event actually occured */ 751/* feeds an event into a watcher as if the event actually occurred */
465/* accepts any ev_watcher type */ 752/* accepts any ev_watcher type */
466void ev_feed_event (EV_P_ void *w, int revents); 753EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT;
467void ev_feed_fd_event (EV_P_ int fd, int revents); 754EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT;
755#if EV_SIGNAL_ENABLE
756EV_API_DECL void ev_feed_signal (int signum) EV_NOEXCEPT;
468void ev_feed_signal_event (EV_P_ int signum); 757EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT;
758#endif
759EV_API_DECL void ev_invoke (EV_P_ void *w, int revents);
760EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT;
469 761
470void ev_io_start (EV_P_ ev_io *w); 762EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT;
471void ev_io_stop (EV_P_ ev_io *w); 763EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT;
472 764
473void ev_timer_start (EV_P_ ev_timer *w); 765EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT;
474void ev_timer_stop (EV_P_ ev_timer *w); 766EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT;
475/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ 767/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
476void ev_timer_again (EV_P_ ev_timer *w); 768EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT;
769/* return remaining time */
770EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT;
477 771
478#if EV_PERIODIC_ENABLE 772#if EV_PERIODIC_ENABLE
479void ev_periodic_start (EV_P_ ev_periodic *w); 773EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT;
480void ev_periodic_stop (EV_P_ ev_periodic *w); 774EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT;
481void ev_periodic_again (EV_P_ ev_periodic *w); 775EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT;
482#endif 776#endif
483 777
484/* only supported in the default loop */ 778/* only supported in the default loop */
779#if EV_SIGNAL_ENABLE
485void ev_signal_start (EV_P_ ev_signal *w); 780EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT;
486void ev_signal_stop (EV_P_ ev_signal *w); 781EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT;
782#endif
487 783
488/* only supported in the default loop */ 784/* only supported in the default loop */
785# if EV_CHILD_ENABLE
489void ev_child_start (EV_P_ ev_child *w); 786EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT;
490void ev_child_stop (EV_P_ ev_child *w); 787EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT;
788# endif
491 789
492# if EV_STAT_ENABLE 790# if EV_STAT_ENABLE
493void ev_stat_start (EV_P_ ev_stat *w); 791EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT;
494void ev_stat_stop (EV_P_ ev_stat *w); 792EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT;
495void ev_stat_stat (EV_P_ ev_stat *w); 793EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT;
794# endif
795
796# if EV_IDLE_ENABLE
797EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT;
798EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT;
799# endif
800
801#if EV_PREPARE_ENABLE
802EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT;
803EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT;
496# endif 804#endif
497 805
498void ev_idle_start (EV_P_ ev_idle *w); 806#if EV_CHECK_ENABLE
499void ev_idle_stop (EV_P_ ev_idle *w);
500
501void ev_prepare_start (EV_P_ ev_prepare *w);
502void ev_prepare_stop (EV_P_ ev_prepare *w);
503
504void ev_check_start (EV_P_ ev_check *w); 807EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT;
505void ev_check_stop (EV_P_ ev_check *w); 808EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT;
809#endif
506 810
507# if EV_FORK_ENABLE 811# if EV_FORK_ENABLE
508void ev_fork_start (EV_P_ ev_fork *w); 812EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT;
509void ev_fork_stop (EV_P_ ev_fork *w); 813EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT;
814# endif
815
816# if EV_CLEANUP_ENABLE
817EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT;
818EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT;
510# endif 819# endif
511 820
512# if EV_EMBED_ENABLE 821# if EV_EMBED_ENABLE
513/* only supported when loop to be embedded is in fact embeddable */ 822/* only supported when loop to be embedded is in fact embeddable */
514void ev_embed_start (EV_P_ ev_embed *w); 823EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT;
515void ev_embed_stop (EV_P_ ev_embed *w); 824EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT;
516void ev_embed_sweep (EV_P_ ev_embed *w); 825EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT;
517# endif
518
519#endif 826# endif
520 827
521#ifdef __cplusplus 828# if EV_ASYNC_ENABLE
522} 829EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT;
830EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT;
831EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT;
523#endif 832# endif
524 833
834#if EV_COMPAT3
835 #define EVLOOP_NONBLOCK EVRUN_NOWAIT
836 #define EVLOOP_ONESHOT EVRUN_ONCE
837 #define EVUNLOOP_CANCEL EVBREAK_CANCEL
838 #define EVUNLOOP_ONE EVBREAK_ONE
839 #define EVUNLOOP_ALL EVBREAK_ALL
840 #if EV_PROTOTYPES
841 EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); }
842 EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); }
843 EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); }
844 EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); }
845 #if EV_FEATURE_API
846 EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); }
847 EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); }
848 EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); }
849 #endif
525#endif 850 #endif
851#else
852 typedef struct ev_loop ev_loop;
853#endif
526 854
855#endif
856
857EV_CPP(})
858
859#endif
860

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