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Comparing libev/ev.h (file contents):
Revision 1.49 by root, Sat Nov 10 21:19:30 2007 UTC vs.
Revision 1.172 by root, Fri Dec 27 06:01:22 2013 UTC

1/* 1/*
2 * libev native API header
3 *
2 * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010,2011,2012 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
49#define EV_THROW EV_CPP(throw())
50
34extern "C" { 51EV_CPP(extern "C" {)
52
53/*****************************************************************************/
54
55/* pre-4.0 compatibility */
56#ifndef EV_COMPAT3
57# define EV_COMPAT3 1
58#endif
59
60#ifndef EV_FEATURES
61# if defined __OPTIMIZE_SIZE__
62# define EV_FEATURES 0x7c
63# else
64# define EV_FEATURES 0x7f
35#endif 65# endif
66#endif
67
68#define EV_FEATURE_CODE ((EV_FEATURES) & 1)
69#define EV_FEATURE_DATA ((EV_FEATURES) & 2)
70#define EV_FEATURE_CONFIG ((EV_FEATURES) & 4)
71#define EV_FEATURE_API ((EV_FEATURES) & 8)
72#define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16)
73#define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32)
74#define EV_FEATURE_OS ((EV_FEATURES) & 64)
75
76/* these priorities are inclusive, higher priorities will be invoked earlier */
77#ifndef EV_MINPRI
78# define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0)
79#endif
80#ifndef EV_MAXPRI
81# define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0)
82#endif
83
84#ifndef EV_MULTIPLICITY
85# define EV_MULTIPLICITY EV_FEATURE_CONFIG
86#endif
87
88#ifndef EV_PERIODIC_ENABLE
89# define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS
90#endif
91
92#ifndef EV_STAT_ENABLE
93# define EV_STAT_ENABLE EV_FEATURE_WATCHERS
94#endif
95
96#ifndef EV_PREPARE_ENABLE
97# define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS
98#endif
99
100#ifndef EV_CHECK_ENABLE
101# define EV_CHECK_ENABLE EV_FEATURE_WATCHERS
102#endif
103
104#ifndef EV_IDLE_ENABLE
105# define EV_IDLE_ENABLE EV_FEATURE_WATCHERS
106#endif
107
108#ifndef EV_FORK_ENABLE
109# define EV_FORK_ENABLE EV_FEATURE_WATCHERS
110#endif
111
112#ifndef EV_CLEANUP_ENABLE
113# define EV_CLEANUP_ENABLE EV_FEATURE_WATCHERS
114#endif
115
116#ifndef EV_SIGNAL_ENABLE
117# define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS
118#endif
119
120#ifndef EV_CHILD_ENABLE
121# ifdef _WIN32
122# define EV_CHILD_ENABLE 0
123# else
124# define EV_CHILD_ENABLE EV_FEATURE_WATCHERS
125#endif
126#endif
127
128#ifndef EV_ASYNC_ENABLE
129# define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS
130#endif
131
132#ifndef EV_EMBED_ENABLE
133# define EV_EMBED_ENABLE EV_FEATURE_WATCHERS
134#endif
135
136#ifndef EV_WALK_ENABLE
137# define EV_WALK_ENABLE 0 /* not yet */
138#endif
139
140/*****************************************************************************/
141
142#if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE
143# undef EV_SIGNAL_ENABLE
144# define EV_SIGNAL_ENABLE 1
145#endif
146
147/*****************************************************************************/
36 148
37typedef double ev_tstamp; 149typedef double ev_tstamp;
38 150
39/* these priorities are inclusive, higher priorities will be called earlier */ 151#ifndef EV_ATOMIC_T
40#ifndef EV_MINPRI 152# include <signal.h>
41# define EV_MINPRI -2 153# define EV_ATOMIC_T sig_atomic_t volatile
154#endif
155
156#if EV_STAT_ENABLE
157# ifdef _WIN32
158# include <time.h>
159# include <sys/types.h>
42#endif 160# endif
43#ifndef EV_MAXPRI 161# include <sys/stat.h>
44# define EV_MAXPRI +2
45#endif
46
47#ifndef EV_MULTIPLICITY
48# define EV_MULTIPLICITY 1
49#endif 162#endif
50 163
51/* support multiple event loops? */ 164/* support multiple event loops? */
52#if EV_MULTIPLICITY 165#if EV_MULTIPLICITY
53struct ev_loop; 166struct ev_loop;
54# define EV_P struct ev_loop *loop 167# define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */
55# define EV_P_ EV_P, 168# define EV_P_ EV_P, /* a loop as first of multiple parameters */
56# define EV_A loop 169# define EV_A loop /* a loop as sole argument to a function call */
57# define EV_A_ EV_A, 170# define EV_A_ EV_A, /* a loop as first of multiple arguments */
58# define EV_DEFAULT_A ev_default_loop (0) 171# define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */
59# define EV_DEFAULT_A_ EV_DEFAULT_A, 172# define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */
173# define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */
174# define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */
60#else 175#else
61# define EV_P void 176# define EV_P void
62# define EV_P_ 177# define EV_P_
63# define EV_A 178# define EV_A
64# define EV_A_ 179# define EV_A_
180# define EV_DEFAULT
65# define EV_DEFAULT_A 181# define EV_DEFAULT_
182# define EV_DEFAULT_UC
66# define EV_DEFAULT_A_ 183# define EV_DEFAULT_UC_
184# undef EV_EMBED_ENABLE
67#endif 185#endif
68 186
69/* eventmask, revents, events... */ 187/* EV_INLINE is used for functions in header files */
70#define EV_UNDEF -1 /* guaranteed to be invalid */ 188#if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3
71#define EV_NONE 0x00 189# define EV_INLINE static inline
72#define EV_READ 0x01 190#else
73#define EV_WRITE 0x02 191# define EV_INLINE static
74#define EV_TIMEOUT 0x000100
75#define EV_PERIODIC 0x000200
76#define EV_SIGNAL 0x000400
77#define EV_IDLE 0x000800
78#define EV_CHECK 0x001000
79#define EV_PREPARE 0x002000
80#define EV_CHILD 0x004000
81#define EV_ERROR 0x800000 /* sent when an error occurs */
82
83/* can be used to add custom fields to all watchers */
84#ifndef EV_COMMON
85# define EV_COMMON void *data
86#endif 192#endif
193
194#ifdef EV_API_STATIC
195# define EV_API_DECL static
196#else
197# define EV_API_DECL extern
198#endif
199
200/* EV_PROTOTYPES can be used to switch of prototype declarations */
87#ifndef EV_PROTOTYPES 201#ifndef EV_PROTOTYPES
88# define EV_PROTOTYPES 1 202# define EV_PROTOTYPES 1
89#endif 203#endif
90 204
205/*****************************************************************************/
206
91#define EV_VERSION_MAJOR 1 207#define EV_VERSION_MAJOR 4
92#define EV_VERSION_MINOR 1 208#define EV_VERSION_MINOR 15
209
210/* eventmask, revents, events... */
211enum {
212 EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */
213 EV_NONE = 0x00, /* no events */
214 EV_READ = 0x01, /* ev_io detected read will not block */
215 EV_WRITE = 0x02, /* ev_io detected write will not block */
216 EV__IOFDSET = 0x80, /* internal use only */
217 EV_IO = EV_READ, /* alias for type-detection */
218 EV_TIMER = 0x00000100, /* timer timed out */
219#if EV_COMPAT3
220 EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */
221#endif
222 EV_PERIODIC = 0x00000200, /* periodic timer timed out */
223 EV_SIGNAL = 0x00000400, /* signal was received */
224 EV_CHILD = 0x00000800, /* child/pid had status change */
225 EV_STAT = 0x00001000, /* stat data changed */
226 EV_IDLE = 0x00002000, /* event loop is idling */
227 EV_PREPARE = 0x00004000, /* event loop about to poll */
228 EV_CHECK = 0x00008000, /* event loop finished poll */
229 EV_EMBED = 0x00010000, /* embedded event loop needs sweep */
230 EV_FORK = 0x00020000, /* event loop resumed in child */
231 EV_CLEANUP = 0x00040000, /* event loop resumed in child */
232 EV_ASYNC = 0x00080000, /* async intra-loop signal */
233 EV_CUSTOM = 0x01000000, /* for use by user code */
234 EV_ERROR = (int)0x80000000 /* sent when an error occurs */
235};
236
237/* can be used to add custom fields to all watchers, while losing binary compatibility */
238#ifndef EV_COMMON
239# define EV_COMMON void *data;
240#endif
93 241
94#ifndef EV_CB_DECLARE 242#ifndef EV_CB_DECLARE
95# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); 243# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
96#endif 244#endif
97#ifndef EV_CB_INVOKE 245#ifndef EV_CB_INVOKE
98# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) 246# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
99#endif 247#endif
100 248
249/* not official, do not use */
250#define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents)
251
101/* 252/*
102 * struct member types: 253 * struct member types:
103 * private: you can look at them, but not change them, and they might not mean anything to you. 254 * private: you may look at them, but not change them,
255 * and they might not mean anything to you.
104 * ro: can be read anytime, but only changed when the watcher isn't active 256 * ro: can be read anytime, but only changed when the watcher isn't active.
105 * rw: can be read and modified anytime, even when the watcher is active 257 * rw: can be read and modified anytime, even when the watcher is active.
258 *
259 * some internal details that might be helpful for debugging:
260 *
261 * active is either 0, which means the watcher is not active,
262 * or the array index of the watcher (periodics, timers)
263 * or the array index + 1 (most other watchers)
264 * or simply 1 for watchers that aren't in some array.
265 * pending is either 0, in which case the watcher isn't,
266 * or the array index + 1 in the pendings array.
106 */ 267 */
268
269#if EV_MINPRI == EV_MAXPRI
270# define EV_DECL_PRIORITY
271#elif !defined (EV_DECL_PRIORITY)
272# define EV_DECL_PRIORITY int priority;
273#endif
107 274
108/* shared by all watchers */ 275/* shared by all watchers */
109#define EV_WATCHER(type) \ 276#define EV_WATCHER(type) \
110 int active; /* private */ \ 277 int active; /* private */ \
111 int pending; /* private */ \ 278 int pending; /* private */ \
112 int priority; /* private */ \ 279 EV_DECL_PRIORITY /* private */ \
113 EV_COMMON; /* rw */ \ 280 EV_COMMON /* rw */ \
114 EV_CB_DECLARE (type) /* private */ 281 EV_CB_DECLARE (type) /* private */
115 282
116#define EV_WATCHER_LIST(type) \ 283#define EV_WATCHER_LIST(type) \
117 EV_WATCHER (type); \ 284 EV_WATCHER (type) \
118 struct ev_watcher_list *next /* private */ 285 struct ev_watcher_list *next; /* private */
119 286
120#define EV_WATCHER_TIME(type) \ 287#define EV_WATCHER_TIME(type) \
121 EV_WATCHER (type); \ 288 EV_WATCHER (type) \
122 ev_tstamp at /* private */ 289 ev_tstamp at; /* private */
123 290
124/* base class, nothing to see here unless you subclass */ 291/* base class, nothing to see here unless you subclass */
125struct ev_watcher 292typedef struct ev_watcher
126{ 293{
127 EV_WATCHER (ev_watcher); 294 EV_WATCHER (ev_watcher)
128}; 295} ev_watcher;
129 296
130/* base class, nothing to see here unless you subclass */ 297/* base class, nothing to see here unless you subclass */
131struct ev_watcher_list 298typedef struct ev_watcher_list
132{ 299{
133 EV_WATCHER_LIST (ev_watcher_list); 300 EV_WATCHER_LIST (ev_watcher_list)
134}; 301} ev_watcher_list;
135 302
136/* base class, nothing to see here unless you subclass */ 303/* base class, nothing to see here unless you subclass */
137struct ev_watcher_time 304typedef struct ev_watcher_time
138{ 305{
139 EV_WATCHER_TIME (ev_watcher_time); 306 EV_WATCHER_TIME (ev_watcher_time)
140}; 307} ev_watcher_time;
308
309/* invoked when fd is either EV_READable or EV_WRITEable */
310/* revent EV_READ, EV_WRITE */
311typedef struct ev_io
312{
313 EV_WATCHER_LIST (ev_io)
314
315 int fd; /* ro */
316 int events; /* ro */
317} ev_io;
141 318
142/* invoked after a specific time, repeatable (based on monotonic clock) */ 319/* invoked after a specific time, repeatable (based on monotonic clock) */
143/* revent EV_TIMEOUT */ 320/* revent EV_TIMEOUT */
144struct ev_timer 321typedef struct ev_timer
145{ 322{
146 EV_WATCHER_TIME (ev_timer); 323 EV_WATCHER_TIME (ev_timer)
147 324
148 ev_tstamp repeat; /* rw */ 325 ev_tstamp repeat; /* rw */
149}; 326} ev_timer;
150 327
151/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ 328/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */
152/* revent EV_PERIODIC */ 329/* revent EV_PERIODIC */
153struct ev_periodic 330typedef struct ev_periodic
154{ 331{
155 EV_WATCHER_TIME (ev_periodic); 332 EV_WATCHER_TIME (ev_periodic)
156 333
334 ev_tstamp offset; /* rw */
157 ev_tstamp interval; /* rw */ 335 ev_tstamp interval; /* rw */
158 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ 336 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now) EV_THROW; /* rw */
159}; 337} ev_periodic;
160
161/* invoked when fd is either EV_READable or EV_WRITEable */
162/* revent EV_READ, EV_WRITE */
163struct ev_io
164{
165 EV_WATCHER_LIST (ev_io);
166
167 int fd; /* ro */
168 int events; /* ro */
169};
170 338
171/* invoked when the given signal has been received */ 339/* invoked when the given signal has been received */
172/* revent EV_SIGNAL */ 340/* revent EV_SIGNAL */
173struct ev_signal 341typedef struct ev_signal
174{ 342{
175 EV_WATCHER_LIST (ev_signal); 343 EV_WATCHER_LIST (ev_signal)
176 344
177 int signum; /* ro */ 345 int signum; /* ro */
178}; 346} ev_signal;
179 347
348/* invoked when sigchld is received and waitpid indicates the given pid */
349/* revent EV_CHILD */
350/* does not support priorities */
351typedef struct ev_child
352{
353 EV_WATCHER_LIST (ev_child)
354
355 int flags; /* private */
356 int pid; /* ro */
357 int rpid; /* rw, holds the received pid */
358 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
359} ev_child;
360
361#if EV_STAT_ENABLE
362/* st_nlink = 0 means missing file or other error */
363# ifdef _WIN32
364typedef struct _stati64 ev_statdata;
365# else
366typedef struct stat ev_statdata;
367# endif
368
369/* invoked each time the stat data changes for a given path */
370/* revent EV_STAT */
371typedef struct ev_stat
372{
373 EV_WATCHER_LIST (ev_stat)
374
375 ev_timer timer; /* private */
376 ev_tstamp interval; /* ro */
377 const char *path; /* ro */
378 ev_statdata prev; /* ro */
379 ev_statdata attr; /* ro */
380
381 int wd; /* wd for inotify, fd for kqueue */
382} ev_stat;
383#endif
384
385#if EV_IDLE_ENABLE
180/* invoked when the nothing else needs to be done, keeps the process from blocking */ 386/* invoked when the nothing else needs to be done, keeps the process from blocking */
181/* revent EV_IDLE */ 387/* revent EV_IDLE */
182struct ev_idle 388typedef struct ev_idle
183{ 389{
184 EV_WATCHER (ev_idle); 390 EV_WATCHER (ev_idle)
185}; 391} ev_idle;
392#endif
186 393
187/* invoked for each run of the mainloop, just before the blocking call */ 394/* invoked for each run of the mainloop, just before the blocking call */
188/* you can still change events in any way you like */ 395/* you can still change events in any way you like */
189/* revent EV_PREPARE */ 396/* revent EV_PREPARE */
190struct ev_prepare 397typedef struct ev_prepare
191{ 398{
192 EV_WATCHER (ev_prepare); 399 EV_WATCHER (ev_prepare)
193}; 400} ev_prepare;
194 401
195/* invoked for each run of the mainloop, just after the blocking call */ 402/* invoked for each run of the mainloop, just after the blocking call */
196/* revent EV_CHECK */ 403/* revent EV_CHECK */
197struct ev_check 404typedef struct ev_check
198{ 405{
199 EV_WATCHER (ev_check); 406 EV_WATCHER (ev_check)
200}; 407} ev_check;
201 408
202/* invoked when sigchld is received and waitpid indicates the givne pid */ 409#if EV_FORK_ENABLE
410/* the callback gets invoked before check in the child process when a fork was detected */
411/* revent EV_FORK */
412typedef struct ev_fork
413{
414 EV_WATCHER (ev_fork)
415} ev_fork;
416#endif
417
418#if EV_CLEANUP_ENABLE
419/* is invoked just before the loop gets destroyed */
203/* revent EV_CHILD */ 420/* revent EV_CLEANUP */
204/* does not support priorities */ 421typedef struct ev_cleanup
205struct ev_child
206{ 422{
207 EV_WATCHER_LIST (ev_child); 423 EV_WATCHER (ev_cleanup)
424} ev_cleanup;
425#endif
208 426
209 int pid; /* ro */ 427#if EV_EMBED_ENABLE
210 int rpid; /* rw, holds the received pid */ 428/* used to embed an event loop inside another */
211 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ 429/* the callback gets invoked when the event loop has handled events, and can be 0 */
212}; 430typedef struct ev_embed
431{
432 EV_WATCHER (ev_embed)
433
434 struct ev_loop *other; /* ro */
435 ev_io io; /* private */
436 ev_prepare prepare; /* private */
437 ev_check check; /* unused */
438 ev_timer timer; /* unused */
439 ev_periodic periodic; /* unused */
440 ev_idle idle; /* unused */
441 ev_fork fork; /* private */
442#if EV_CLEANUP_ENABLE
443 ev_cleanup cleanup; /* unused */
444#endif
445} ev_embed;
446#endif
447
448#if EV_ASYNC_ENABLE
449/* invoked when somebody calls ev_async_send on the watcher */
450/* revent EV_ASYNC */
451typedef struct ev_async
452{
453 EV_WATCHER (ev_async)
454
455 EV_ATOMIC_T sent; /* private */
456} ev_async;
457
458# define ev_async_pending(w) (+(w)->sent)
459#endif
213 460
214/* the presence of this union forces similar struct layout */ 461/* the presence of this union forces similar struct layout */
215union ev_any_watcher 462union ev_any_watcher
216{ 463{
217 struct ev_watcher w; 464 struct ev_watcher w;
218 struct ev_watcher_list wl; 465 struct ev_watcher_list wl;
219 466
220 struct ev_io io; 467 struct ev_io io;
221 struct ev_timer timer; 468 struct ev_timer timer;
222 struct ev_periodic periodic; 469 struct ev_periodic periodic;
470 struct ev_signal signal;
471 struct ev_child child;
472#if EV_STAT_ENABLE
473 struct ev_stat stat;
474#endif
475#if EV_IDLE_ENABLE
223 struct ev_idle idle; 476 struct ev_idle idle;
477#endif
224 struct ev_prepare prepare; 478 struct ev_prepare prepare;
225 struct ev_check check; 479 struct ev_check check;
226 struct ev_signal signal; 480#if EV_FORK_ENABLE
227 struct ev_child child; 481 struct ev_fork fork;
482#endif
483#if EV_CLEANUP_ENABLE
484 struct ev_cleanup cleanup;
485#endif
486#if EV_EMBED_ENABLE
487 struct ev_embed embed;
488#endif
489#if EV_ASYNC_ENABLE
490 struct ev_async async;
491#endif
228}; 492};
229 493
230#define EVMETHOD_AUTO 0 /* consults environment */ 494/* flag bits for ev_default_loop and ev_loop_new */
231#define EVMETHOD_SELECT 1 495enum {
232#define EVMETHOD_POLL 2 496 /* the default */
233#define EVMETHOD_EPOLL 4 497 EVFLAG_AUTO = 0x00000000U, /* not quite a mask */
234#define EVMETHOD_KQUEUE 8 498 /* flag bits */
235#define EVMETHOD_DEVPOLL 16 /* NYI */ 499 EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */
236#define EVMETHOD_PORT 32 /* NYI */ 500 EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */
237#define EVMETHOD_WIN32 64 /* NYI */ 501 /* debugging/feature disable */
238#define EVMETHOD_ANY ~0 /* any method, do not consult env */ 502 EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */
503#if EV_COMPAT3
504 EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */
505#endif
506 EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */
507 EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */
508};
509
510/* method bits to be ored together */
511enum {
512 EVBACKEND_SELECT = 0x00000001U, /* about anywhere */
513 EVBACKEND_POLL = 0x00000002U, /* !win */
514 EVBACKEND_EPOLL = 0x00000004U, /* linux */
515 EVBACKEND_KQUEUE = 0x00000008U, /* bsd */
516 EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */
517 EVBACKEND_PORT = 0x00000020U, /* solaris 10 */
518 EVBACKEND_ALL = 0x0000003FU, /* all known backends */
519 EVBACKEND_MASK = 0x0000FFFFU /* all future backends */
520};
239 521
240#if EV_PROTOTYPES 522#if EV_PROTOTYPES
241int ev_version_major (void); 523EV_API_DECL int ev_version_major (void) EV_THROW;
242int ev_version_minor (void); 524EV_API_DECL int ev_version_minor (void) EV_THROW;
243 525
244ev_tstamp ev_time (void); 526EV_API_DECL unsigned int ev_supported_backends (void) EV_THROW;
527EV_API_DECL unsigned int ev_recommended_backends (void) EV_THROW;
528EV_API_DECL unsigned int ev_embeddable_backends (void) EV_THROW;
529
530EV_API_DECL ev_tstamp ev_time (void) EV_THROW;
531EV_API_DECL void ev_sleep (ev_tstamp delay) EV_THROW; /* sleep for a while */
245 532
246/* Sets the allocation function to use, works like realloc. 533/* Sets the allocation function to use, works like realloc.
247 * It is used to allocate and free memory. 534 * It is used to allocate and free memory.
248 * If it returns zero when memory needs to be allocated, the library might abort 535 * If it returns zero when memory needs to be allocated, the library might abort
249 * or take some potentially destructive action. 536 * or take some potentially destructive action.
250 * The default is your system realloc function. 537 * The default is your system realloc function.
251 */ 538 */
252void ev_set_allocator (void *(*cb)(void *ptr, long size)); 539EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW;
253 540
254/* set the callback function to call on a 541/* set the callback function to call on a
255 * retryable syscall error 542 * retryable syscall error
256 * (such as failed select, poll, epoll_wait) 543 * (such as failed select, poll, epoll_wait)
257 */ 544 */
258void ev_set_syserr_cb (void (*cb)(const char *msg)); 545EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW;
259 546
260# if EV_MULTIPLICITY 547#if EV_MULTIPLICITY
548
261/* the default loop is the only one that handles signals and child watchers */ 549/* the default loop is the only one that handles signals and child watchers */
262/* you can call this as often as you like */ 550/* you can call this as often as you like */
263struct ev_loop *ev_default_loop (int methods); /* returns default loop */ 551EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW;
552
553#ifdef EV_API_STATIC
554EV_API_DECL struct ev_loop *ev_default_loop_ptr;
555#endif
556
557EV_INLINE struct ev_loop *
558ev_default_loop_uc_ (void) EV_THROW
559{
560 extern struct ev_loop *ev_default_loop_ptr;
561
562 return ev_default_loop_ptr;
563}
564
565EV_INLINE int
566ev_is_default_loop (EV_P) EV_THROW
567{
568 return EV_A == EV_DEFAULT_UC;
569}
264 570
265/* create and destroy alternative loops that don't handle signals */ 571/* create and destroy alternative loops that don't handle signals */
266struct ev_loop *ev_loop_new (int methods); 572EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_THROW;
267void ev_loop_destroy (EV_P);
268void ev_loop_fork (EV_P);
269 573
270ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ 574EV_API_DECL ev_tstamp ev_now (EV_P) EV_THROW; /* time w.r.t. timers and the eventloop, updated after each poll */
271 575
272# else 576#else
273 577
274int ev_default_loop (int methods); /* returns true when successful */ 578EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW; /* returns true when successful */
275 579
276static ev_tstamp 580EV_API_DECL ev_tstamp ev_rt_now;
277ev_now ()
278{
279 extern ev_tstamp ev_rt_now;
280 581
582EV_INLINE ev_tstamp
583ev_now (void) EV_THROW
584{
281 return ev_rt_now; 585 return ev_rt_now;
282} 586}
283# endif
284 587
285void ev_default_destroy (void); /* destroy the default loop */ 588/* looks weird, but ev_is_default_loop (EV_A) still works if this exists */
589EV_INLINE int
590ev_is_default_loop (void) EV_THROW
591{
592 return 1;
593}
594
595#endif /* multiplicity */
596
597/* destroy event loops, also works for the default loop */
598EV_API_DECL void ev_loop_destroy (EV_P);
599
286/* this needs to be called after fork, to duplicate the default loop */ 600/* this needs to be called after fork, to duplicate the loop */
287/* if you create alternative loops you have to call ev_loop_fork on them */ 601/* when you want to re-use it in the child */
288/* you can call it in either the parent or the child */ 602/* you can call it in either the parent or the child */
289/* you can actually call it at any time, anywhere :) */ 603/* you can actually call it at any time, anywhere :) */
290void ev_default_fork (void); 604EV_API_DECL void ev_loop_fork (EV_P) EV_THROW;
291 605
292int ev_method (EV_P); 606EV_API_DECL unsigned int ev_backend (EV_P) EV_THROW; /* backend in use by loop */
293#endif
294 607
295#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 608EV_API_DECL void ev_now_update (EV_P) EV_THROW; /* update event loop time */
296#define EVLOOP_ONESHOT 2 /* block *once* only */ 609
297#define EVUNLOOP_ONCE 1 /* unloop once */ 610#if EV_WALK_ENABLE
611/* walk (almost) all watchers in the loop of a given type, invoking the */
612/* callback on every such watcher. The callback might stop the watcher, */
613/* but do nothing else with the loop */
614EV_API_DECL void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW;
615#endif
616
617#endif /* prototypes */
618
619/* ev_run flags values */
620enum {
621 EVRUN_NOWAIT = 1, /* do not block/wait */
622 EVRUN_ONCE = 2 /* block *once* only */
623};
624
625/* ev_break how values */
626enum {
627 EVBREAK_CANCEL = 0, /* undo unloop */
628 EVBREAK_ONE = 1, /* unloop once */
298#define EVUNLOOP_ALL 2 /* unloop all loops */ 629 EVBREAK_ALL = 2 /* unloop all loops */
630};
299 631
300#if EV_PROTOTYPES 632#if EV_PROTOTYPES
301void ev_loop (EV_P_ int flags); 633EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0));
302void 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 */ 634EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)) EV_THROW; /* break out of the loop */
303 635
304/* 636/*
305 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher 637 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
306 * keeps one reference. if you have a long-runing watcher you never unregister that 638 * keeps one reference. if you have a long-running watcher you never unregister that
307 * should not keep ev_loop from running, unref() after starting, and ref() before stopping. 639 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
308 */ 640 */
309void ev_ref (EV_P); 641EV_API_DECL void ev_ref (EV_P) EV_THROW;
310void ev_unref (EV_P); 642EV_API_DECL void ev_unref (EV_P) EV_THROW;
311 643
644/*
312/* convinience function, wait for a single event, without registering an event watcher */ 645 * convenience function, wait for a single event, without registering an event watcher
313/* if timeout is < 0, do wait indefinitely */ 646 * if timeout is < 0, do wait indefinitely
647 */
314void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 648EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW;
649
650# if EV_FEATURE_API
651EV_API_DECL unsigned int ev_iteration (EV_P) EV_THROW; /* number of loop iterations */
652EV_API_DECL unsigned int ev_depth (EV_P) EV_THROW; /* #ev_loop enters - #ev_loop leaves */
653EV_API_DECL void ev_verify (EV_P) EV_THROW; /* abort if loop data corrupted */
654
655EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */
656EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */
657
658/* advanced stuff for threading etc. support, see docs */
659EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_THROW;
660EV_API_DECL void *ev_userdata (EV_P) EV_THROW;
661typedef void (*ev_loop_callback)(EV_P);
662EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW;
663typedef void (*ev_loop_callback_nothrow)(EV_P) EV_THROW;
664EV_API_DECL void ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW;
665
666EV_API_DECL unsigned int ev_pending_count (EV_P) EV_THROW; /* number of pending events, if any */
667EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */
668
669/*
670 * stop/start the timer handling.
671 */
672EV_API_DECL void ev_suspend (EV_P) EV_THROW;
673EV_API_DECL void ev_resume (EV_P) EV_THROW;
674#endif
675
315#endif 676#endif
316 677
317/* these may evaluate ev multiple times, and the other arguments at most once */ 678/* these may evaluate ev multiple times, and the other arguments at most once */
318/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 679/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
319#define ev_init(ev,cb_) do { \ 680#define ev_init(ev,cb_) do { \
320 ((struct ev_watcher *)(void *)(ev))->active = \ 681 ((ev_watcher *)(void *)(ev))->active = \
321 ((struct ev_watcher *)(void *)(ev))->pending = \ 682 ((ev_watcher *)(void *)(ev))->pending = 0; \
322 ((struct ev_watcher *)(void *)(ev))->priority = 0; \ 683 ev_set_priority ((ev), 0); \
323 ev_set_cb ((ev), cb_); \ 684 ev_set_cb ((ev), cb_); \
324} while (0) 685} while (0)
325 686
326#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 687#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0)
327#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 688#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
328#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) 689#define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0)
329#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 690#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
691#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
692#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
330#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 693#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
331#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 694#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
332#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 695#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
333#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) 696#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
697#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
698#define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */
699#define ev_async_set(ev) /* nop, yes, this is a serious in-joke */
334 700
335#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 701#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
336#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 702#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
337#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) 703#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
338#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) 704#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
705#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
706#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
339#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) 707#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
340#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) 708#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
341#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) 709#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
710#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
711#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
342#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) 712#define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0)
713#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
343 714
344#define ev_is_pending(ev) (0 + ((struct ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 715#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
345#define ev_is_active(ev) (0 + ((struct ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 716#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
346 717
347#define ev_priority(ev) ((struct ev_watcher *)(void *)(ev))->priority /* rw */
348#define ev_cb(ev) (ev)->cb /* rw */ 718#define ev_cb(ev) (ev)->cb /* rw */
719
720#if EV_MINPRI == EV_MAXPRI
721# define ev_priority(ev) ((ev), EV_MINPRI)
349#define ev_set_priority(ev,pri) ev_priority (ev) = (pri) 722# define ev_set_priority(ev,pri) ((ev), (pri))
723#else
724# define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority))
725# define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri)
726#endif
727
728#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
350 729
351#ifndef ev_set_cb 730#ifndef ev_set_cb
352# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 731# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
353#endif 732#endif
354 733
355/* stopping (enabling, adding) a watcher does nothing if it is already running */ 734/* stopping (enabling, adding) a watcher does nothing if it is already running */
356/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 735/* stopping (disabling, deleting) a watcher does nothing unless it's already running */
357#if EV_PROTOTYPES 736#if EV_PROTOTYPES
358 737
359/* feeds an event into a watcher as if the event actually occured */ 738/* feeds an event into a watcher as if the event actually occurred */
360/* accepts any ev_watcher type */ 739/* accepts any ev_watcher type */
361void ev_feed_event (EV_P_ void *w, int revents); 740EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_THROW;
362void ev_feed_fd_event (EV_P_ int fd, int revents); 741EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW;
742#if EV_SIGNAL_ENABLE
743EV_API_DECL void ev_feed_signal (int signum) EV_THROW;
363void ev_feed_signal_event (EV_P_ int signum); 744EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_THROW;
745#endif
746EV_API_DECL void ev_invoke (EV_P_ void *w, int revents);
747EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_THROW;
364 748
365void ev_io_start (EV_P_ struct ev_io *w); 749EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_THROW;
366void ev_io_stop (EV_P_ struct ev_io *w); 750EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_THROW;
367 751
368void ev_timer_start (EV_P_ struct ev_timer *w); 752EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_THROW;
369void ev_timer_stop (EV_P_ struct ev_timer *w); 753EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_THROW;
370/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ 754/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
371void ev_timer_again (EV_P_ struct ev_timer *w); 755EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_THROW;
756/* return remaining time */
757EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW;
372 758
759#if EV_PERIODIC_ENABLE
373void ev_periodic_start (EV_P_ struct ev_periodic *w); 760EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW;
374void ev_periodic_stop (EV_P_ struct ev_periodic *w); 761EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW;
375void ev_periodic_again (EV_P_ struct ev_periodic *w); 762EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW;
376 763#endif
377void ev_idle_start (EV_P_ struct ev_idle *w);
378void ev_idle_stop (EV_P_ struct ev_idle *w);
379
380void ev_prepare_start (EV_P_ struct ev_prepare *w);
381void ev_prepare_stop (EV_P_ struct ev_prepare *w);
382
383void ev_check_start (EV_P_ struct ev_check *w);
384void ev_check_stop (EV_P_ struct ev_check *w);
385 764
386/* only supported in the default loop */ 765/* only supported in the default loop */
766#if EV_SIGNAL_ENABLE
387void ev_signal_start (EV_P_ struct ev_signal *w); 767EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_THROW;
388void ev_signal_stop (EV_P_ struct ev_signal *w); 768EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_THROW;
769#endif
389 770
390/* only supported in the default loop */ 771/* only supported in the default loop */
772# if EV_CHILD_ENABLE
391void ev_child_start (EV_P_ struct ev_child *w); 773EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_THROW;
392void ev_child_stop (EV_P_ struct ev_child *w); 774EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_THROW;
393#endif 775# endif
394 776
395#ifdef __cplusplus 777# if EV_STAT_ENABLE
396} 778EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_THROW;
779EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_THROW;
780EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_THROW;
397#endif 781# endif
398 782
783# if EV_IDLE_ENABLE
784EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_THROW;
785EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_THROW;
399#endif 786# endif
400 787
788#if EV_PREPARE_ENABLE
789EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW;
790EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW;
791#endif
792
793#if EV_CHECK_ENABLE
794EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_THROW;
795EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_THROW;
796#endif
797
798# if EV_FORK_ENABLE
799EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_THROW;
800EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_THROW;
801# endif
802
803# if EV_CLEANUP_ENABLE
804EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW;
805EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW;
806# endif
807
808# if EV_EMBED_ENABLE
809/* only supported when loop to be embedded is in fact embeddable */
810EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_THROW;
811EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_THROW;
812EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW;
813# endif
814
815# if EV_ASYNC_ENABLE
816EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_THROW;
817EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_THROW;
818EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_THROW;
819# endif
820
821#if EV_COMPAT3
822 #define EVLOOP_NONBLOCK EVRUN_NOWAIT
823 #define EVLOOP_ONESHOT EVRUN_ONCE
824 #define EVUNLOOP_CANCEL EVBREAK_CANCEL
825 #define EVUNLOOP_ONE EVBREAK_ONE
826 #define EVUNLOOP_ALL EVBREAK_ALL
827 #if EV_PROTOTYPES
828 EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); }
829 EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); }
830 EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); }
831 EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); }
832 #if EV_FEATURE_API
833 EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); }
834 EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); }
835 EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); }
836 #endif
837 #endif
838#else
839 typedef struct ev_loop ev_loop;
840#endif
841
842#endif
843
844EV_CPP(})
845
846#endif
847

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