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Comparing libev/ev.h (file contents):
Revision 1.56 by root, Mon Nov 12 07:58:13 2007 UTC vs.
Revision 1.163 by root, Fri Feb 3 21:08:39 2012 UTC

1/* 1/*
2 * libev native API header
3 *
2 * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010,2011 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
44# define EV_CPP(x) x
45#else
46# define EV_CPP(x)
47#endif
48
34extern "C" { 49EV_CPP(extern "C" {)
50
51/*****************************************************************************/
52
53/* pre-4.0 compatibility */
54#ifndef EV_COMPAT3
55# define EV_COMPAT3 1
35#endif 56#endif
57
58#ifndef EV_FEATURES
59# define EV_FEATURES 0x7f
60#endif
61
62#define EV_FEATURE_CODE ((EV_FEATURES) & 1)
63#define EV_FEATURE_DATA ((EV_FEATURES) & 2)
64#define EV_FEATURE_CONFIG ((EV_FEATURES) & 4)
65#define EV_FEATURE_API ((EV_FEATURES) & 8)
66#define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16)
67#define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32)
68#define EV_FEATURE_OS ((EV_FEATURES) & 64)
69
70/* these priorities are inclusive, higher priorities will be invoked earlier */
71#ifndef EV_MINPRI
72# define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0)
73#endif
74#ifndef EV_MAXPRI
75# define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0)
76#endif
77
78#ifndef EV_MULTIPLICITY
79# define EV_MULTIPLICITY EV_FEATURE_CONFIG
80#endif
81
82#ifndef EV_PERIODIC_ENABLE
83# define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS
84#endif
85
86#ifndef EV_STAT_ENABLE
87# define EV_STAT_ENABLE EV_FEATURE_WATCHERS
88#endif
89
90#ifndef EV_PREPARE_ENABLE
91# define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS
92#endif
93
94#ifndef EV_CHECK_ENABLE
95# define EV_CHECK_ENABLE EV_FEATURE_WATCHERS
96#endif
97
98#ifndef EV_IDLE_ENABLE
99# define EV_IDLE_ENABLE EV_FEATURE_WATCHERS
100#endif
101
102#ifndef EV_FORK_ENABLE
103# define EV_FORK_ENABLE EV_FEATURE_WATCHERS
104#endif
105
106#ifndef EV_CLEANUP_ENABLE
107# define EV_CLEANUP_ENABLE EV_FEATURE_WATCHERS
108#endif
109
110#ifndef EV_SIGNAL_ENABLE
111# define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS
112#endif
113
114#ifndef EV_CHILD_ENABLE
115# ifdef _WIN32
116# define EV_CHILD_ENABLE 0
117# else
118# define EV_CHILD_ENABLE EV_FEATURE_WATCHERS
119#endif
120#endif
121
122#ifndef EV_ASYNC_ENABLE
123# define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS
124#endif
125
126#ifndef EV_EMBED_ENABLE
127# define EV_EMBED_ENABLE EV_FEATURE_WATCHERS
128#endif
129
130#ifndef EV_WALK_ENABLE
131# define EV_WALK_ENABLE 0 /* not yet */
132#endif
133
134/*****************************************************************************/
135
136#if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE
137# undef EV_SIGNAL_ENABLE
138# define EV_SIGNAL_ENABLE 1
139#endif
140
141/*****************************************************************************/
36 142
37typedef double ev_tstamp; 143typedef double ev_tstamp;
38 144
39/* these priorities are inclusive, higher priorities will be called earlier */ 145#ifndef EV_ATOMIC_T
40#ifndef EV_MINPRI 146# include <signal.h>
41# define EV_MINPRI -2 147# define EV_ATOMIC_T sig_atomic_t volatile
148#endif
149
150#if EV_STAT_ENABLE
151# ifdef _WIN32
152# include <time.h>
153# include <sys/types.h>
42#endif 154# endif
43#ifndef EV_MAXPRI 155# include <sys/stat.h>
44# define EV_MAXPRI +2
45#endif
46
47#ifndef EV_MULTIPLICITY
48# define EV_MULTIPLICITY 1
49#endif
50
51#ifndef EV_PERIODICS
52# define EV_PERIODICS 1
53#endif 156#endif
54 157
55/* support multiple event loops? */ 158/* support multiple event loops? */
56#if EV_MULTIPLICITY 159#if EV_MULTIPLICITY
57struct ev_loop; 160struct ev_loop;
58# define EV_P struct ev_loop *loop 161# define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */
59# define EV_P_ EV_P, 162# define EV_P_ EV_P, /* a loop as first of multiple parameters */
60# define EV_A loop 163# define EV_A loop /* a loop as sole argument to a function call */
61# define EV_A_ EV_A, 164# define EV_A_ EV_A, /* a loop as first of multiple arguments */
62# define EV_DEFAULT_A ev_default_loop (0) 165# define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */
63# define EV_DEFAULT_A_ EV_DEFAULT_A, 166# define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */
167# define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */
168# define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */
64#else 169#else
65# define EV_P void 170# define EV_P void
66# define EV_P_ 171# define EV_P_
67# define EV_A 172# define EV_A
68# define EV_A_ 173# define EV_A_
174# define EV_DEFAULT
69# define EV_DEFAULT_A 175# define EV_DEFAULT_
176# define EV_DEFAULT_UC
70# define EV_DEFAULT_A_ 177# define EV_DEFAULT_UC_
178# undef EV_EMBED_ENABLE
71#endif 179#endif
180
181/* EV_INLINE is used for functions in header files */
182#if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3
183# define EV_INLINE static inline
184#else
185# define EV_INLINE static
186#endif
187
188#ifdef EV_API_STATIC
189# define EV_API_DECL static
190#else
191# define EV_API_DECL extern
192#endif
193
194/* EV_PROTOTYPES can be used to switch of prototype declarations */
195#ifndef EV_PROTOTYPES
196# define EV_PROTOTYPES 1
197#endif
198
199/*****************************************************************************/
200
201#define EV_VERSION_MAJOR 4
202#define EV_VERSION_MINOR 4
72 203
73/* eventmask, revents, events... */ 204/* eventmask, revents, events... */
205enum {
74#define EV_UNDEF -1 /* guaranteed to be invalid */ 206 EV_UNDEF = 0xFFFFFFFF, /* guaranteed to be invalid */
75#define EV_NONE 0x00 207 EV_NONE = 0x00, /* no events */
76#define EV_READ 0x01 /* io only */ 208 EV_READ = 0x01, /* ev_io detected read will not block */
77#define EV_WRITE 0x02 /* io only */ 209 EV_WRITE = 0x02, /* ev_io detected write will not block */
78#define EV_TIMEOUT 0x000100 /* timer only */ 210 EV__IOFDSET = 0x80, /* internal use only */
211 EV_IO = EV_READ, /* alias for type-detection */
212 EV_TIMER = 0x00000100, /* timer timed out */
213#if EV_COMPAT3
214 EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */
215#endif
79#define EV_PERIODIC 0x000200 /* periodic timer only */ 216 EV_PERIODIC = 0x00000200, /* periodic timer timed out */
80#define EV_SIGNAL 0x000400 /* signal only */ 217 EV_SIGNAL = 0x00000400, /* signal was received */
81#define EV_IDLE 0x000800 /* idle only */ 218 EV_CHILD = 0x00000800, /* child/pid had status change */
82#define EV_CHECK 0x001000 /* check only */ 219 EV_STAT = 0x00001000, /* stat data changed */
83#define EV_PREPARE 0x002000 /* prepare only */ 220 EV_IDLE = 0x00002000, /* event loop is idling */
84#define EV_CHILD 0x004000 /* child/pid only */ 221 EV_PREPARE = 0x00004000, /* event loop about to poll */
222 EV_CHECK = 0x00008000, /* event loop finished poll */
223 EV_EMBED = 0x00010000, /* embedded event loop needs sweep */
224 EV_FORK = 0x00020000, /* event loop resumed in child */
225 EV_CLEANUP = 0x00040000, /* event loop resumed in child */
226 EV_ASYNC = 0x00080000, /* async intra-loop signal */
227 EV_CUSTOM = 0x01000000, /* for use by user code */
85#define EV_ERROR 0x800000 /* sent when an error occurs */ 228 EV_ERROR = 0x80000000 /* sent when an error occurs */
229};
86 230
87/* can be used to add custom fields to all watchers, while losing binary compatibility */ 231/* can be used to add custom fields to all watchers, while losing binary compatibility */
88#ifndef EV_COMMON 232#ifndef EV_COMMON
89# define EV_COMMON void *data; 233# define EV_COMMON void *data;
90#endif 234#endif
91#ifndef EV_PROTOTYPES
92# define EV_PROTOTYPES 1
93#endif
94
95#define EV_VERSION_MAJOR 1
96#define EV_VERSION_MINOR 1
97 235
98#ifndef EV_CB_DECLARE 236#ifndef EV_CB_DECLARE
99# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); 237# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
100#endif 238#endif
101#ifndef EV_CB_INVOKE 239#ifndef EV_CB_INVOKE
102# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) 240# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
103#endif 241#endif
104 242
243/* not official, do not use */
244#define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents)
245
105/* 246/*
106 * struct member types: 247 * struct member types:
107 * private: you can look at them, but not change them, and they might not mean anything to you. 248 * private: you may look at them, but not change them,
249 * and they might not mean anything to you.
108 * ro: can be read anytime, but only changed when the watcher isn't active 250 * ro: can be read anytime, but only changed when the watcher isn't active.
109 * rw: can be read and modified anytime, even when the watcher is active 251 * rw: can be read and modified anytime, even when the watcher is active.
252 *
253 * some internal details that might be helpful for debugging:
254 *
255 * active is either 0, which means the watcher is not active,
256 * or the array index of the watcher (periodics, timers)
257 * or the array index + 1 (most other watchers)
258 * or simply 1 for watchers that aren't in some array.
259 * pending is either 0, in which case the watcher isn't,
260 * or the array index + 1 in the pendings array.
110 */ 261 */
262
263#if EV_MINPRI == EV_MAXPRI
264# define EV_DECL_PRIORITY
265#elif !defined (EV_DECL_PRIORITY)
266# define EV_DECL_PRIORITY int priority;
267#endif
111 268
112/* shared by all watchers */ 269/* shared by all watchers */
113#define EV_WATCHER(type) \ 270#define EV_WATCHER(type) \
114 int active; /* private */ \ 271 int active; /* private */ \
115 int pending; /* private */ \ 272 int pending; /* private */ \
116 int priority; /* private */ \ 273 EV_DECL_PRIORITY /* private */ \
117 EV_COMMON /* rw */ \ 274 EV_COMMON /* rw */ \
118 EV_CB_DECLARE (type) /* private */ 275 EV_CB_DECLARE (type) /* private */
119 276
120#define EV_WATCHER_LIST(type) \ 277#define EV_WATCHER_LIST(type) \
121 EV_WATCHER (type) \ 278 EV_WATCHER (type) \
124#define EV_WATCHER_TIME(type) \ 281#define EV_WATCHER_TIME(type) \
125 EV_WATCHER (type) \ 282 EV_WATCHER (type) \
126 ev_tstamp at; /* private */ 283 ev_tstamp at; /* private */
127 284
128/* base class, nothing to see here unless you subclass */ 285/* base class, nothing to see here unless you subclass */
129struct ev_watcher 286typedef struct ev_watcher
130{ 287{
131 EV_WATCHER (ev_watcher) 288 EV_WATCHER (ev_watcher)
132}; 289} ev_watcher;
133 290
134/* base class, nothing to see here unless you subclass */ 291/* base class, nothing to see here unless you subclass */
135struct ev_watcher_list 292typedef struct ev_watcher_list
136{ 293{
137 EV_WATCHER_LIST (ev_watcher_list) 294 EV_WATCHER_LIST (ev_watcher_list)
138}; 295} ev_watcher_list;
139 296
140/* base class, nothing to see here unless you subclass */ 297/* base class, nothing to see here unless you subclass */
141struct ev_watcher_time 298typedef struct ev_watcher_time
142{ 299{
143 EV_WATCHER_TIME (ev_watcher_time) 300 EV_WATCHER_TIME (ev_watcher_time)
144}; 301} ev_watcher_time;
302
303/* invoked when fd is either EV_READable or EV_WRITEable */
304/* revent EV_READ, EV_WRITE */
305typedef struct ev_io
306{
307 EV_WATCHER_LIST (ev_io)
308
309 int fd; /* ro */
310 int events; /* ro */
311} ev_io;
145 312
146/* invoked after a specific time, repeatable (based on monotonic clock) */ 313/* invoked after a specific time, repeatable (based on monotonic clock) */
147/* revent EV_TIMEOUT */ 314/* revent EV_TIMEOUT */
148struct ev_timer 315typedef struct ev_timer
149{ 316{
150 EV_WATCHER_TIME (ev_timer) 317 EV_WATCHER_TIME (ev_timer)
151 318
152 ev_tstamp repeat; /* rw */ 319 ev_tstamp repeat; /* rw */
153}; 320} ev_timer;
154 321
155/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ 322/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */
156/* revent EV_PERIODIC */ 323/* revent EV_PERIODIC */
157struct ev_periodic 324typedef struct ev_periodic
158{ 325{
159 EV_WATCHER_TIME (ev_periodic) 326 EV_WATCHER_TIME (ev_periodic)
160 327
328 ev_tstamp offset; /* rw */
161 ev_tstamp interval; /* rw */ 329 ev_tstamp interval; /* rw */
162 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ 330 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */
163}; 331} ev_periodic;
164
165/* invoked when fd is either EV_READable or EV_WRITEable */
166/* revent EV_READ, EV_WRITE */
167struct ev_io
168{
169 EV_WATCHER_LIST (ev_io)
170
171 int fd; /* ro */
172 int events; /* ro */
173};
174 332
175/* invoked when the given signal has been received */ 333/* invoked when the given signal has been received */
176/* revent EV_SIGNAL */ 334/* revent EV_SIGNAL */
177struct ev_signal 335typedef struct ev_signal
178{ 336{
179 EV_WATCHER_LIST (ev_signal) 337 EV_WATCHER_LIST (ev_signal)
180 338
181 int signum; /* ro */ 339 int signum; /* ro */
182}; 340} ev_signal;
183 341
342/* invoked when sigchld is received and waitpid indicates the given pid */
343/* revent EV_CHILD */
344/* does not support priorities */
345typedef struct ev_child
346{
347 EV_WATCHER_LIST (ev_child)
348
349 int flags; /* private */
350 int pid; /* ro */
351 int rpid; /* rw, holds the received pid */
352 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
353} ev_child;
354
355#if EV_STAT_ENABLE
356/* st_nlink = 0 means missing file or other error */
357# ifdef _WIN32
358typedef struct _stati64 ev_statdata;
359# else
360typedef struct stat ev_statdata;
361# endif
362
363/* invoked each time the stat data changes for a given path */
364/* revent EV_STAT */
365typedef struct ev_stat
366{
367 EV_WATCHER_LIST (ev_stat)
368
369 ev_timer timer; /* private */
370 ev_tstamp interval; /* ro */
371 const char *path; /* ro */
372 ev_statdata prev; /* ro */
373 ev_statdata attr; /* ro */
374
375 int wd; /* wd for inotify, fd for kqueue */
376} ev_stat;
377#endif
378
379#if EV_IDLE_ENABLE
184/* invoked when the nothing else needs to be done, keeps the process from blocking */ 380/* invoked when the nothing else needs to be done, keeps the process from blocking */
185/* revent EV_IDLE */ 381/* revent EV_IDLE */
186struct ev_idle 382typedef struct ev_idle
187{ 383{
188 EV_WATCHER (ev_idle) 384 EV_WATCHER (ev_idle)
189}; 385} ev_idle;
386#endif
190 387
191/* invoked for each run of the mainloop, just before the blocking call */ 388/* invoked for each run of the mainloop, just before the blocking call */
192/* you can still change events in any way you like */ 389/* you can still change events in any way you like */
193/* revent EV_PREPARE */ 390/* revent EV_PREPARE */
194struct ev_prepare 391typedef struct ev_prepare
195{ 392{
196 EV_WATCHER (ev_prepare) 393 EV_WATCHER (ev_prepare)
197}; 394} ev_prepare;
198 395
199/* invoked for each run of the mainloop, just after the blocking call */ 396/* invoked for each run of the mainloop, just after the blocking call */
200/* revent EV_CHECK */ 397/* revent EV_CHECK */
201struct ev_check 398typedef struct ev_check
202{ 399{
203 EV_WATCHER (ev_check) 400 EV_WATCHER (ev_check)
204}; 401} ev_check;
205 402
206/* invoked when sigchld is received and waitpid indicates the given pid */ 403#if EV_FORK_ENABLE
404/* the callback gets invoked before check in the child process when a fork was detected */
405/* revent EV_FORK */
406typedef struct ev_fork
407{
408 EV_WATCHER (ev_fork)
409} ev_fork;
410#endif
411
412#if EV_CLEANUP_ENABLE
413/* is invoked just before the loop gets destroyed */
207/* revent EV_CHILD */ 414/* revent EV_CLEANUP */
208/* does not support priorities */ 415typedef struct ev_cleanup
209struct ev_child
210{ 416{
211 EV_WATCHER_LIST (ev_child) 417 EV_WATCHER (ev_cleanup)
418} ev_cleanup;
419#endif
212 420
213 int pid; /* ro */ 421#if EV_EMBED_ENABLE
214 int rpid; /* rw, holds the received pid */ 422/* used to embed an event loop inside another */
215 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ 423/* the callback gets invoked when the event loop has handled events, and can be 0 */
216}; 424typedef struct ev_embed
425{
426 EV_WATCHER (ev_embed)
427
428 struct ev_loop *other; /* ro */
429 ev_io io; /* private */
430 ev_prepare prepare; /* private */
431 ev_check check; /* unused */
432 ev_timer timer; /* unused */
433 ev_periodic periodic; /* unused */
434 ev_idle idle; /* unused */
435 ev_fork fork; /* private */
436#if EV_CLEANUP_ENABLE
437 ev_cleanup cleanup; /* unused */
438#endif
439} ev_embed;
440#endif
441
442#if EV_ASYNC_ENABLE
443/* invoked when somebody calls ev_async_send on the watcher */
444/* revent EV_ASYNC */
445typedef struct ev_async
446{
447 EV_WATCHER (ev_async)
448
449 EV_ATOMIC_T sent; /* private */
450} ev_async;
451
452# define ev_async_pending(w) (+(w)->sent)
453#endif
217 454
218/* the presence of this union forces similar struct layout */ 455/* the presence of this union forces similar struct layout */
219union ev_any_watcher 456union ev_any_watcher
220{ 457{
221 struct ev_watcher w; 458 struct ev_watcher w;
222 struct ev_watcher_list wl; 459 struct ev_watcher_list wl;
223 460
224 struct ev_io io; 461 struct ev_io io;
225 struct ev_timer timer; 462 struct ev_timer timer;
226 struct ev_periodic periodic; 463 struct ev_periodic periodic;
464 struct ev_signal signal;
465 struct ev_child child;
466#if EV_STAT_ENABLE
467 struct ev_stat stat;
468#endif
469#if EV_IDLE_ENABLE
227 struct ev_idle idle; 470 struct ev_idle idle;
471#endif
228 struct ev_prepare prepare; 472 struct ev_prepare prepare;
229 struct ev_check check; 473 struct ev_check check;
230 struct ev_signal signal; 474#if EV_FORK_ENABLE
231 struct ev_child child; 475 struct ev_fork fork;
476#endif
477#if EV_CLEANUP_ENABLE
478 struct ev_cleanup cleanup;
479#endif
480#if EV_EMBED_ENABLE
481 struct ev_embed embed;
482#endif
483#if EV_ASYNC_ENABLE
484 struct ev_async async;
485#endif
232}; 486};
233 487
234/* bits for ev_default_loop and ev_loop_new */ 488/* flag bits for ev_default_loop and ev_loop_new */
489enum {
235/* the default */ 490 /* the default */
236#define EVFLAG_AUTO 0x00000000 /* not quite a mask */ 491 EVFLAG_AUTO = 0x00000000U, /* not quite a mask */
492 /* flag bits */
493 EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */
494 EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */
495 /* debugging/feature disable */
496 EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */
497#if EV_COMPAT3
498 EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */
499#endif
500 EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */
501 EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */
502};
237 503
238/* method bits to be ored together */ 504/* method bits to be ored together */
505enum {
239#define EVMETHOD_SELECT 0x00000001 /* about anywhere */ 506 EVBACKEND_SELECT = 0x00000001U, /* about anywhere */
240#define EVMETHOD_POLL 0x00000002 /* !win */ 507 EVBACKEND_POLL = 0x00000002U, /* !win */
241#define EVMETHOD_EPOLL 0x00000004 /* linux */ 508 EVBACKEND_EPOLL = 0x00000004U, /* linux */
242#define EVMETHOD_KQUEUE 0x00000008 /* bsd */ 509 EVBACKEND_KQUEUE = 0x00000008U, /* bsd */
243#define EVMETHOD_DEVPOLL 0x00000010 /* solaris 8 */ /* NYI */ 510 EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */
244#define EVMETHOD_PORT 0x00000020 /* solaris 10 */ /* NYI */ 511 EVBACKEND_PORT = 0x00000020U, /* solaris 10 */
245 512 EVBACKEND_ALL = 0x0000003FU, /* all known backends */
246/* flag bits */ 513 EVBACKEND_MASK = 0x0000FFFFU /* all future backends */
247#define EVFLAG_NOENV 0x01000000 /* do NOT consult environment */ 514};
248 515
249#if EV_PROTOTYPES 516#if EV_PROTOTYPES
250int ev_version_major (void); 517EV_API_DECL int ev_version_major (void);
251int ev_version_minor (void); 518EV_API_DECL int ev_version_minor (void);
252 519
520EV_API_DECL unsigned int ev_supported_backends (void);
521EV_API_DECL unsigned int ev_recommended_backends (void);
522EV_API_DECL unsigned int ev_embeddable_backends (void);
523
253ev_tstamp ev_time (void); 524EV_API_DECL ev_tstamp ev_time (void);
525EV_API_DECL void ev_sleep (ev_tstamp delay); /* sleep for a while */
254 526
255/* Sets the allocation function to use, works like realloc. 527/* Sets the allocation function to use, works like realloc.
256 * It is used to allocate and free memory. 528 * It is used to allocate and free memory.
257 * If it returns zero when memory needs to be allocated, the library might abort 529 * If it returns zero when memory needs to be allocated, the library might abort
258 * or take some potentially destructive action. 530 * or take some potentially destructive action.
259 * The default is your system realloc function. 531 * The default is your system realloc function.
260 */ 532 */
261void ev_set_allocator (void *(*cb)(void *ptr, long size)); 533EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size));
262 534
263/* set the callback function to call on a 535/* set the callback function to call on a
264 * retryable syscall error 536 * retryable syscall error
265 * (such as failed select, poll, epoll_wait) 537 * (such as failed select, poll, epoll_wait)
266 */ 538 */
267void ev_set_syserr_cb (void (*cb)(const char *msg)); 539EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg));
268 540
269# if EV_MULTIPLICITY 541#if EV_MULTIPLICITY
542
270/* the default loop is the only one that handles signals and child watchers */ 543/* the default loop is the only one that handles signals and child watchers */
271/* you can call this as often as you like */ 544/* you can call this as often as you like */
272struct ev_loop *ev_default_loop (unsigned int flags); /* returns default loop */ 545EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0));
546
547#ifdef EV_API_STATIC
548EV_API_DECL struct ev_loop *ev_default_loop_ptr;
549#endif
550
551EV_INLINE struct ev_loop *
552ev_default_loop_uc_ (void)
553{
554 extern struct ev_loop *ev_default_loop_ptr;
555
556 return ev_default_loop_ptr;
557}
558
559EV_INLINE int
560ev_is_default_loop (EV_P)
561{
562 return EV_A == EV_DEFAULT_UC;
563}
273 564
274/* create and destroy alternative loops that don't handle signals */ 565/* create and destroy alternative loops that don't handle signals */
275struct ev_loop *ev_loop_new (unsigned int flags); 566EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0));
276void ev_loop_destroy (EV_P);
277void ev_loop_fork (EV_P);
278 567
279ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ 568EV_API_DECL ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
280 569
281# else 570#else
282 571
283int ev_default_loop (unsigned int flags); /* returns true when successful */ 572EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)); /* returns true when successful */
284 573
285static ev_tstamp 574EV_API_DECL ev_tstamp ev_rt_now;
575
576EV_INLINE ev_tstamp
286ev_now (void) 577ev_now (void)
287{ 578{
288 extern ev_tstamp ev_rt_now;
289
290 return ev_rt_now; 579 return ev_rt_now;
291} 580}
292# endif
293 581
294void ev_default_destroy (void); /* destroy the default loop */ 582/* looks weird, but ev_is_default_loop (EV_A) still works if this exists */
583EV_INLINE int
584ev_is_default_loop (void)
585{
586 return 1;
587}
588
589#endif /* multiplicity */
590
591/* destroy event loops, also works for the default loop */
592EV_API_DECL void ev_loop_destroy (EV_P);
593
295/* this needs to be called after fork, to duplicate the default loop */ 594/* this needs to be called after fork, to duplicate the loop */
296/* if you create alternative loops you have to call ev_loop_fork on them */ 595/* when you want to re-use it in the child */
297/* you can call it in either the parent or the child */ 596/* you can call it in either the parent or the child */
298/* you can actually call it at any time, anywhere :) */ 597/* you can actually call it at any time, anywhere :) */
299void ev_default_fork (void); 598EV_API_DECL void ev_loop_fork (EV_P);
300 599
301unsigned int ev_method (EV_P); 600EV_API_DECL unsigned int ev_backend (EV_P); /* backend in use by loop */
302#endif
303 601
304#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 602EV_API_DECL void ev_now_update (EV_P); /* update event loop time */
305#define EVLOOP_ONESHOT 2 /* block *once* only */ 603
306#define EVUNLOOP_ONCE 1 /* unloop once */ 604#if EV_WALK_ENABLE
605/* walk (almost) all watchers in the loop of a given type, invoking the */
606/* callback on every such watcher. The callback might stop the watcher, */
607/* but do nothing else with the loop */
608EV_API_DECL void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w));
609#endif
610
611#endif /* prototypes */
612
613/* ev_run flags values */
614enum {
615 EVRUN_NOWAIT = 1, /* do not block/wait */
616 EVRUN_ONCE = 2 /* block *once* only */
617};
618
619/* ev_break how values */
620enum {
621 EVBREAK_CANCEL = 0, /* undo unloop */
622 EVBREAK_ONE = 1, /* unloop once */
307#define EVUNLOOP_ALL 2 /* unloop all loops */ 623 EVBREAK_ALL = 2 /* unloop all loops */
624};
308 625
309#if EV_PROTOTYPES 626#if EV_PROTOTYPES
310void ev_loop (EV_P_ int flags); 627EV_API_DECL void ev_run (EV_P_ int flags EV_CPP (= 0));
311void 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 */ 628EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)); /* break out of the loop */
312 629
313/* 630/*
314 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher 631 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
315 * keeps one reference. if you have a long-runing watcher you never unregister that 632 * keeps one reference. if you have a long-running watcher you never unregister that
316 * should not keep ev_loop from running, unref() after starting, and ref() before stopping. 633 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
317 */ 634 */
318void ev_ref (EV_P); 635EV_API_DECL void ev_ref (EV_P);
319void ev_unref (EV_P); 636EV_API_DECL void ev_unref (EV_P);
320 637
638/*
321/* convinience function, wait for a single event, without registering an event watcher */ 639 * convenience function, wait for a single event, without registering an event watcher
322/* if timeout is < 0, do wait indefinitely */ 640 * if timeout is < 0, do wait indefinitely
641 */
323void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 642EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
643
644# if EV_FEATURE_API
645EV_API_DECL unsigned int ev_iteration (EV_P); /* number of loop iterations */
646EV_API_DECL unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */
647EV_API_DECL void ev_verify (EV_P); /* abort if loop data corrupted */
648
649EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
650EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
651
652/* advanced stuff for threading etc. support, see docs */
653EV_API_DECL void ev_set_userdata (EV_P_ void *data);
654EV_API_DECL void *ev_userdata (EV_P);
655EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P));
656EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P));
657
658EV_API_DECL unsigned int ev_pending_count (EV_P); /* number of pending events, if any */
659EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */
660
661/*
662 * stop/start the timer handling.
663 */
664EV_API_DECL void ev_suspend (EV_P);
665EV_API_DECL void ev_resume (EV_P);
666#endif
667
324#endif 668#endif
325 669
326/* these may evaluate ev multiple times, and the other arguments at most once */ 670/* these may evaluate ev multiple times, and the other arguments at most once */
327/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 671/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
328#define ev_init(ev,cb_) do { \ 672#define ev_init(ev,cb_) do { \
329 ((struct ev_watcher *)(void *)(ev))->active = \ 673 ((ev_watcher *)(void *)(ev))->active = \
330 ((struct ev_watcher *)(void *)(ev))->pending = \ 674 ((ev_watcher *)(void *)(ev))->pending = 0; \
331 ((struct ev_watcher *)(void *)(ev))->priority = 0; \ 675 ev_set_priority ((ev), 0); \
332 ev_set_cb ((ev), cb_); \ 676 ev_set_cb ((ev), cb_); \
333} while (0) 677} while (0)
334 678
335#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 679#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0)
336#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 680#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
337#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) 681#define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0)
338#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 682#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
683#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
684#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
339#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 685#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
340#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 686#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
341#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 687#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
342#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) 688#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
689#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
690#define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */
691#define ev_async_set(ev) /* nop, yes, this is a serious in-joke */
343 692
344#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 693#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
345#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 694#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
346#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) 695#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
347#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) 696#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
697#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
698#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
348#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) 699#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
349#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) 700#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
350#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) 701#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
702#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
703#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
351#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) 704#define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0)
705#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
352 706
353#define ev_is_pending(ev) (0 + ((struct ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 707#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
354#define ev_is_active(ev) (0 + ((struct ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 708#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
355 709
356#define ev_priority(ev) ((struct ev_watcher *)(void *)(ev))->priority /* rw */
357#define ev_cb(ev) (ev)->cb /* rw */ 710#define ev_cb(ev) (ev)->cb /* rw */
711
712#if EV_MINPRI == EV_MAXPRI
713# define ev_priority(ev) ((ev), EV_MINPRI)
358#define ev_set_priority(ev,pri) ev_priority (ev) = (pri) 714# define ev_set_priority(ev,pri) ((ev), (pri))
715#else
716# define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority))
717# define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri)
718#endif
719
720#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
359 721
360#ifndef ev_set_cb 722#ifndef ev_set_cb
361# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 723# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
362#endif 724#endif
363 725
364/* stopping (enabling, adding) a watcher does nothing if it is already running */ 726/* stopping (enabling, adding) a watcher does nothing if it is already running */
365/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 727/* stopping (disabling, deleting) a watcher does nothing unless its already running */
366#if EV_PROTOTYPES 728#if EV_PROTOTYPES
367 729
368/* feeds an event into a watcher as if the event actually occured */ 730/* feeds an event into a watcher as if the event actually occurred */
369/* accepts any ev_watcher type */ 731/* accepts any ev_watcher type */
370void ev_feed_event (EV_P_ void *w, int revents); 732EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents);
371void ev_feed_fd_event (EV_P_ int fd, int revents); 733EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents);
734#if EV_SIGNAL_ENABLE
735EV_API_DECL void ev_feed_signal (int signum);
372void ev_feed_signal_event (EV_P_ int signum); 736EV_API_DECL void ev_feed_signal_event (EV_P_ int signum);
737#endif
738EV_API_DECL void ev_invoke (EV_P_ void *w, int revents);
739EV_API_DECL int ev_clear_pending (EV_P_ void *w);
373 740
374void ev_io_start (EV_P_ struct ev_io *w); 741EV_API_DECL void ev_io_start (EV_P_ ev_io *w);
375void ev_io_stop (EV_P_ struct ev_io *w); 742EV_API_DECL void ev_io_stop (EV_P_ ev_io *w);
376 743
377void ev_timer_start (EV_P_ struct ev_timer *w); 744EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w);
378void ev_timer_stop (EV_P_ struct ev_timer *w); 745EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w);
379/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ 746/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
380void ev_timer_again (EV_P_ struct ev_timer *w); 747EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w);
748/* return remaining time */
749EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w);
381 750
382#if EV_PERIODICS 751#if EV_PERIODIC_ENABLE
383void ev_periodic_start (EV_P_ struct ev_periodic *w); 752EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w);
384void ev_periodic_stop (EV_P_ struct ev_periodic *w); 753EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w);
385void ev_periodic_again (EV_P_ struct ev_periodic *w); 754EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w);
386#endif 755#endif
387
388void ev_idle_start (EV_P_ struct ev_idle *w);
389void ev_idle_stop (EV_P_ struct ev_idle *w);
390
391void ev_prepare_start (EV_P_ struct ev_prepare *w);
392void ev_prepare_stop (EV_P_ struct ev_prepare *w);
393
394void ev_check_start (EV_P_ struct ev_check *w);
395void ev_check_stop (EV_P_ struct ev_check *w);
396 756
397/* only supported in the default loop */ 757/* only supported in the default loop */
758#if EV_SIGNAL_ENABLE
398void ev_signal_start (EV_P_ struct ev_signal *w); 759EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w);
399void ev_signal_stop (EV_P_ struct ev_signal *w); 760EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w);
761#endif
400 762
401/* only supported in the default loop */ 763/* only supported in the default loop */
764# if EV_CHILD_ENABLE
402void ev_child_start (EV_P_ struct ev_child *w); 765EV_API_DECL void ev_child_start (EV_P_ ev_child *w);
403void ev_child_stop (EV_P_ struct ev_child *w); 766EV_API_DECL void ev_child_stop (EV_P_ ev_child *w);
404#endif 767# endif
405 768
406#ifdef __cplusplus 769# if EV_STAT_ENABLE
407} 770EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w);
771EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w);
772EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w);
408#endif 773# endif
409 774
775# if EV_IDLE_ENABLE
776EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w);
777EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w);
410#endif 778# endif
411 779
780#if EV_PREPARE_ENABLE
781EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w);
782EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w);
783#endif
784
785#if EV_CHECK_ENABLE
786EV_API_DECL void ev_check_start (EV_P_ ev_check *w);
787EV_API_DECL void ev_check_stop (EV_P_ ev_check *w);
788#endif
789
790# if EV_FORK_ENABLE
791EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w);
792EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w);
793# endif
794
795# if EV_CLEANUP_ENABLE
796EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w);
797EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w);
798# endif
799
800# if EV_EMBED_ENABLE
801/* only supported when loop to be embedded is in fact embeddable */
802EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w);
803EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w);
804EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w);
805# endif
806
807# if EV_ASYNC_ENABLE
808EV_API_DECL void ev_async_start (EV_P_ ev_async *w);
809EV_API_DECL void ev_async_stop (EV_P_ ev_async *w);
810EV_API_DECL void ev_async_send (EV_P_ ev_async *w);
811# endif
812
813#if EV_COMPAT3
814 #define EVLOOP_NONBLOCK EVRUN_NOWAIT
815 #define EVLOOP_ONESHOT EVRUN_ONCE
816 #define EVUNLOOP_CANCEL EVBREAK_CANCEL
817 #define EVUNLOOP_ONE EVBREAK_ONE
818 #define EVUNLOOP_ALL EVBREAK_ALL
819 #if EV_PROTOTYPES
820 EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); }
821 EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); }
822 EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); }
823 EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); }
824 #if EV_FEATURE_API
825 EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); }
826 EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); }
827 EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); }
828 #endif
829 #endif
830#else
831 typedef struct ev_loop ev_loop;
832#endif
833
834#endif
835
836EV_CPP(})
837
838#endif
839

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