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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 1.159 by root, Wed Feb 16 08:02:50 2011 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 156#endif
50 157
51/* support multiple event loops? */ 158/* support multiple event loops? */
52#if EV_MULTIPLICITY 159#if EV_MULTIPLICITY
53struct ev_loop; 160struct ev_loop;
54# define EV_P struct ev_loop *loop 161# define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */
55# define EV_P_ EV_P, 162# define EV_P_ EV_P, /* a loop as first of multiple parameters */
56# define EV_A loop 163# define EV_A loop /* a loop as sole argument to a function call */
57# define EV_A_ EV_A, 164# define EV_A_ EV_A, /* a loop as first of multiple arguments */
58# 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 */
59# 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 */
60#else 169#else
61# define EV_P void 170# define EV_P void
62# define EV_P_ 171# define EV_P_
63# define EV_A 172# define EV_A
64# define EV_A_ 173# define EV_A_
174# define EV_DEFAULT
65# define EV_DEFAULT_A 175# define EV_DEFAULT_
176# define EV_DEFAULT_UC
66# define EV_DEFAULT_A_ 177# define EV_DEFAULT_UC_
178# undef EV_EMBED_ENABLE
67#endif 179#endif
68 180
69/* eventmask, revents, events... */ 181/* EV_INLINE is used for functions in header files */
70#define EV_UNDEF -1 /* guaranteed to be invalid */ 182#if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3
71#define EV_NONE 0x00 183# define EV_INLINE static inline
72#define EV_READ 0x01 184#else
73#define EV_WRITE 0x02 185# 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 186#endif
187
188/* EV_PROTOTYPES can be sued to switch of prototype declarations */
87#ifndef EV_PROTOTYPES 189#ifndef EV_PROTOTYPES
88# define EV_PROTOTYPES 1 190# define EV_PROTOTYPES 1
89#endif 191#endif
90 192
193/*****************************************************************************/
194
91#define EV_VERSION_MAJOR 1 195#define EV_VERSION_MAJOR 4
92#define EV_VERSION_MINOR 1 196#define EV_VERSION_MINOR 3
197
198/* eventmask, revents, events... */
199enum {
200 EV_UNDEF = 0xFFFFFFFF, /* guaranteed to be invalid */
201 EV_NONE = 0x00, /* no events */
202 EV_READ = 0x01, /* ev_io detected read will not block */
203 EV_WRITE = 0x02, /* ev_io detected write will not block */
204 EV__IOFDSET = 0x80, /* internal use only */
205 EV_IO = EV_READ, /* alias for type-detection */
206 EV_TIMER = 0x00000100, /* timer timed out */
207#if EV_COMPAT3
208 EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */
209#endif
210 EV_PERIODIC = 0x00000200, /* periodic timer timed out */
211 EV_SIGNAL = 0x00000400, /* signal was received */
212 EV_CHILD = 0x00000800, /* child/pid had status change */
213 EV_STAT = 0x00001000, /* stat data changed */
214 EV_IDLE = 0x00002000, /* event loop is idling */
215 EV_PREPARE = 0x00004000, /* event loop about to poll */
216 EV_CHECK = 0x00008000, /* event loop finished poll */
217 EV_EMBED = 0x00010000, /* embedded event loop needs sweep */
218 EV_FORK = 0x00020000, /* event loop resumed in child */
219 EV_CLEANUP = 0x00040000, /* event loop resumed in child */
220 EV_ASYNC = 0x00080000, /* async intra-loop signal */
221 EV_CUSTOM = 0x01000000, /* for use by user code */
222 EV_ERROR = 0x80000000 /* sent when an error occurs */
223};
224
225/* can be used to add custom fields to all watchers, while losing binary compatibility */
226#ifndef EV_COMMON
227# define EV_COMMON void *data;
228#endif
93 229
94#ifndef EV_CB_DECLARE 230#ifndef EV_CB_DECLARE
95# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); 231# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
96#endif 232#endif
97#ifndef EV_CB_INVOKE 233#ifndef EV_CB_INVOKE
98# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) 234# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
99#endif 235#endif
100 236
237/* not official, do not use */
238#define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents)
239
101/* 240/*
102 * struct member types: 241 * struct member types:
103 * private: you can look at them, but not change them, and they might not mean anything to you. 242 * private: you may look at them, but not change them,
243 * and they might not mean anything to you.
104 * ro: can be read anytime, but only changed when the watcher isn't active 244 * 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 245 * rw: can be read and modified anytime, even when the watcher is active.
246 *
247 * some internal details that might be helpful for debugging:
248 *
249 * active is either 0, which means the watcher is not active,
250 * or the array index of the watcher (periodics, timers)
251 * or the array index + 1 (most other watchers)
252 * or simply 1 for watchers that aren't in some array.
253 * pending is either 0, in which case the watcher isn't,
254 * or the array index + 1 in the pendings array.
106 */ 255 */
256
257#if EV_MINPRI == EV_MAXPRI
258# define EV_DECL_PRIORITY
259#elif !defined (EV_DECL_PRIORITY)
260# define EV_DECL_PRIORITY int priority;
261#endif
107 262
108/* shared by all watchers */ 263/* shared by all watchers */
109#define EV_WATCHER(type) \ 264#define EV_WATCHER(type) \
110 int active; /* private */ \ 265 int active; /* private */ \
111 int pending; /* private */ \ 266 int pending; /* private */ \
112 int priority; /* private */ \ 267 EV_DECL_PRIORITY /* private */ \
113 EV_COMMON; /* rw */ \ 268 EV_COMMON /* rw */ \
114 EV_CB_DECLARE (type) /* private */ 269 EV_CB_DECLARE (type) /* private */
115 270
116#define EV_WATCHER_LIST(type) \ 271#define EV_WATCHER_LIST(type) \
117 EV_WATCHER (type); \ 272 EV_WATCHER (type) \
118 struct ev_watcher_list *next /* private */ 273 struct ev_watcher_list *next; /* private */
119 274
120#define EV_WATCHER_TIME(type) \ 275#define EV_WATCHER_TIME(type) \
121 EV_WATCHER (type); \ 276 EV_WATCHER (type) \
122 ev_tstamp at /* private */ 277 ev_tstamp at; /* private */
123 278
124/* base class, nothing to see here unless you subclass */ 279/* base class, nothing to see here unless you subclass */
125struct ev_watcher 280typedef struct ev_watcher
126{ 281{
127 EV_WATCHER (ev_watcher); 282 EV_WATCHER (ev_watcher)
128}; 283} ev_watcher;
129 284
130/* base class, nothing to see here unless you subclass */ 285/* base class, nothing to see here unless you subclass */
131struct ev_watcher_list 286typedef struct ev_watcher_list
132{ 287{
133 EV_WATCHER_LIST (ev_watcher_list); 288 EV_WATCHER_LIST (ev_watcher_list)
134}; 289} ev_watcher_list;
135 290
136/* base class, nothing to see here unless you subclass */ 291/* base class, nothing to see here unless you subclass */
137struct ev_watcher_time 292typedef struct ev_watcher_time
138{ 293{
139 EV_WATCHER_TIME (ev_watcher_time); 294 EV_WATCHER_TIME (ev_watcher_time)
140}; 295} ev_watcher_time;
296
297/* invoked when fd is either EV_READable or EV_WRITEable */
298/* revent EV_READ, EV_WRITE */
299typedef struct ev_io
300{
301 EV_WATCHER_LIST (ev_io)
302
303 int fd; /* ro */
304 int events; /* ro */
305} ev_io;
141 306
142/* invoked after a specific time, repeatable (based on monotonic clock) */ 307/* invoked after a specific time, repeatable (based on monotonic clock) */
143/* revent EV_TIMEOUT */ 308/* revent EV_TIMEOUT */
144struct ev_timer 309typedef struct ev_timer
145{ 310{
146 EV_WATCHER_TIME (ev_timer); 311 EV_WATCHER_TIME (ev_timer)
147 312
148 ev_tstamp repeat; /* rw */ 313 ev_tstamp repeat; /* rw */
149}; 314} ev_timer;
150 315
151/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ 316/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */
152/* revent EV_PERIODIC */ 317/* revent EV_PERIODIC */
153struct ev_periodic 318typedef struct ev_periodic
154{ 319{
155 EV_WATCHER_TIME (ev_periodic); 320 EV_WATCHER_TIME (ev_periodic)
156 321
322 ev_tstamp offset; /* rw */
157 ev_tstamp interval; /* rw */ 323 ev_tstamp interval; /* rw */
158 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ 324 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */
159}; 325} 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};
170 326
171/* invoked when the given signal has been received */ 327/* invoked when the given signal has been received */
172/* revent EV_SIGNAL */ 328/* revent EV_SIGNAL */
173struct ev_signal 329typedef struct ev_signal
174{ 330{
175 EV_WATCHER_LIST (ev_signal); 331 EV_WATCHER_LIST (ev_signal)
176 332
177 int signum; /* ro */ 333 int signum; /* ro */
178}; 334} ev_signal;
179 335
336/* invoked when sigchld is received and waitpid indicates the given pid */
337/* revent EV_CHILD */
338/* does not support priorities */
339typedef struct ev_child
340{
341 EV_WATCHER_LIST (ev_child)
342
343 int flags; /* private */
344 int pid; /* ro */
345 int rpid; /* rw, holds the received pid */
346 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
347} ev_child;
348
349#if EV_STAT_ENABLE
350/* st_nlink = 0 means missing file or other error */
351# ifdef _WIN32
352typedef struct _stati64 ev_statdata;
353# else
354typedef struct stat ev_statdata;
355# endif
356
357/* invoked each time the stat data changes for a given path */
358/* revent EV_STAT */
359typedef struct ev_stat
360{
361 EV_WATCHER_LIST (ev_stat)
362
363 ev_timer timer; /* private */
364 ev_tstamp interval; /* ro */
365 const char *path; /* ro */
366 ev_statdata prev; /* ro */
367 ev_statdata attr; /* ro */
368
369 int wd; /* wd for inotify, fd for kqueue */
370} ev_stat;
371#endif
372
373#if EV_IDLE_ENABLE
180/* invoked when the nothing else needs to be done, keeps the process from blocking */ 374/* invoked when the nothing else needs to be done, keeps the process from blocking */
181/* revent EV_IDLE */ 375/* revent EV_IDLE */
182struct ev_idle 376typedef struct ev_idle
183{ 377{
184 EV_WATCHER (ev_idle); 378 EV_WATCHER (ev_idle)
185}; 379} ev_idle;
380#endif
186 381
187/* invoked for each run of the mainloop, just before the blocking call */ 382/* invoked for each run of the mainloop, just before the blocking call */
188/* you can still change events in any way you like */ 383/* you can still change events in any way you like */
189/* revent EV_PREPARE */ 384/* revent EV_PREPARE */
190struct ev_prepare 385typedef struct ev_prepare
191{ 386{
192 EV_WATCHER (ev_prepare); 387 EV_WATCHER (ev_prepare)
193}; 388} ev_prepare;
194 389
195/* invoked for each run of the mainloop, just after the blocking call */ 390/* invoked for each run of the mainloop, just after the blocking call */
196/* revent EV_CHECK */ 391/* revent EV_CHECK */
197struct ev_check 392typedef struct ev_check
198{ 393{
199 EV_WATCHER (ev_check); 394 EV_WATCHER (ev_check)
200}; 395} ev_check;
201 396
202/* invoked when sigchld is received and waitpid indicates the givne pid */ 397#if EV_FORK_ENABLE
398/* the callback gets invoked before check in the child process when a fork was detected */
399/* revent EV_FORK */
400typedef struct ev_fork
401{
402 EV_WATCHER (ev_fork)
403} ev_fork;
404#endif
405
406#if EV_CLEANUP_ENABLE
407/* is invoked just before the loop gets destroyed */
203/* revent EV_CHILD */ 408/* revent EV_CLEANUP */
204/* does not support priorities */ 409typedef struct ev_cleanup
205struct ev_child
206{ 410{
207 EV_WATCHER_LIST (ev_child); 411 EV_WATCHER (ev_cleanup)
412} ev_cleanup;
413#endif
208 414
209 int pid; /* ro */ 415#if EV_EMBED_ENABLE
210 int rpid; /* rw, holds the received pid */ 416/* used to embed an event loop inside another */
211 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ 417/* the callback gets invoked when the event loop has handled events, and can be 0 */
212}; 418typedef struct ev_embed
419{
420 EV_WATCHER (ev_embed)
421
422 struct ev_loop *other; /* ro */
423 ev_io io; /* private */
424 ev_prepare prepare; /* private */
425 ev_check check; /* unused */
426 ev_timer timer; /* unused */
427 ev_periodic periodic; /* unused */
428 ev_idle idle; /* unused */
429 ev_fork fork; /* private */
430#if EV_CLEANUP_ENABLE
431 ev_cleanup cleanup; /* unused */
432#endif
433} ev_embed;
434#endif
435
436#if EV_ASYNC_ENABLE
437/* invoked when somebody calls ev_async_send on the watcher */
438/* revent EV_ASYNC */
439typedef struct ev_async
440{
441 EV_WATCHER (ev_async)
442
443 EV_ATOMIC_T sent; /* private */
444} ev_async;
445
446# define ev_async_pending(w) (+(w)->sent)
447#endif
213 448
214/* the presence of this union forces similar struct layout */ 449/* the presence of this union forces similar struct layout */
215union ev_any_watcher 450union ev_any_watcher
216{ 451{
217 struct ev_watcher w; 452 struct ev_watcher w;
218 struct ev_watcher_list wl; 453 struct ev_watcher_list wl;
219 454
220 struct ev_io io; 455 struct ev_io io;
221 struct ev_timer timer; 456 struct ev_timer timer;
222 struct ev_periodic periodic; 457 struct ev_periodic periodic;
458 struct ev_signal signal;
459 struct ev_child child;
460#if EV_STAT_ENABLE
461 struct ev_stat stat;
462#endif
463#if EV_IDLE_ENABLE
223 struct ev_idle idle; 464 struct ev_idle idle;
465#endif
224 struct ev_prepare prepare; 466 struct ev_prepare prepare;
225 struct ev_check check; 467 struct ev_check check;
226 struct ev_signal signal; 468#if EV_FORK_ENABLE
227 struct ev_child child; 469 struct ev_fork fork;
470#endif
471#if EV_CLEANUP_ENABLE
472 struct ev_cleanup cleanup;
473#endif
474#if EV_EMBED_ENABLE
475 struct ev_embed embed;
476#endif
477#if EV_ASYNC_ENABLE
478 struct ev_async async;
479#endif
228}; 480};
229 481
230#define EVMETHOD_AUTO 0 /* consults environment */ 482/* flag bits for ev_default_loop and ev_loop_new */
231#define EVMETHOD_SELECT 1 483enum {
232#define EVMETHOD_POLL 2 484 /* the default */
233#define EVMETHOD_EPOLL 4 485 EVFLAG_AUTO = 0x00000000U, /* not quite a mask */
234#define EVMETHOD_KQUEUE 8 486 /* flag bits */
235#define EVMETHOD_DEVPOLL 16 /* NYI */ 487 EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */
236#define EVMETHOD_PORT 32 /* NYI */ 488 EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */
237#define EVMETHOD_WIN32 64 /* NYI */ 489 /* debugging/feature disable */
238#define EVMETHOD_ANY ~0 /* any method, do not consult env */ 490 EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */
491#if EV_COMPAT3
492 EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */
493#endif
494 EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */
495 EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */
496};
497
498/* method bits to be ored together */
499enum {
500 EVBACKEND_SELECT = 0x00000001U, /* about anywhere */
501 EVBACKEND_POLL = 0x00000002U, /* !win */
502 EVBACKEND_EPOLL = 0x00000004U, /* linux */
503 EVBACKEND_KQUEUE = 0x00000008U, /* bsd */
504 EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */
505 EVBACKEND_PORT = 0x00000020U, /* solaris 10 */
506 EVBACKEND_ALL = 0x0000003FU, /* all known backends */
507 EVBACKEND_MASK = 0x0000FFFFU /* all future backends */
508};
239 509
240#if EV_PROTOTYPES 510#if EV_PROTOTYPES
241int ev_version_major (void); 511int ev_version_major (void);
242int ev_version_minor (void); 512int ev_version_minor (void);
243 513
514unsigned int ev_supported_backends (void);
515unsigned int ev_recommended_backends (void);
516unsigned int ev_embeddable_backends (void);
517
244ev_tstamp ev_time (void); 518ev_tstamp ev_time (void);
519void ev_sleep (ev_tstamp delay); /* sleep for a while */
245 520
246/* Sets the allocation function to use, works like realloc. 521/* Sets the allocation function to use, works like realloc.
247 * It is used to allocate and free memory. 522 * It is used to allocate and free memory.
248 * If it returns zero when memory needs to be allocated, the library might abort 523 * If it returns zero when memory needs to be allocated, the library might abort
249 * or take some potentially destructive action. 524 * or take some potentially destructive action.
255 * retryable syscall error 530 * retryable syscall error
256 * (such as failed select, poll, epoll_wait) 531 * (such as failed select, poll, epoll_wait)
257 */ 532 */
258void ev_set_syserr_cb (void (*cb)(const char *msg)); 533void ev_set_syserr_cb (void (*cb)(const char *msg));
259 534
260# if EV_MULTIPLICITY 535#if EV_MULTIPLICITY
536
261/* the default loop is the only one that handles signals and child watchers */ 537/* the default loop is the only one that handles signals and child watchers */
262/* you can call this as often as you like */ 538/* you can call this as often as you like */
263struct ev_loop *ev_default_loop (int methods); /* returns default loop */ 539struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0));
540
541EV_INLINE struct ev_loop *
542ev_default_loop_uc_ (void)
543{
544 extern struct ev_loop *ev_default_loop_ptr;
545
546 return ev_default_loop_ptr;
547}
548
549EV_INLINE int
550ev_is_default_loop (EV_P)
551{
552 return EV_A == EV_DEFAULT_UC;
553}
264 554
265/* create and destroy alternative loops that don't handle signals */ 555/* create and destroy alternative loops that don't handle signals */
266struct ev_loop *ev_loop_new (int methods); 556struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0));
267void ev_loop_destroy (EV_P);
268void ev_loop_fork (EV_P);
269 557
270ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ 558ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
271 559
272# else 560#else
273 561
274int ev_default_loop (int methods); /* returns true when successful */ 562int ev_default_loop (unsigned int flags EV_CPP (= 0)); /* returns true when successful */
275 563
276static ev_tstamp 564EV_INLINE ev_tstamp
277ev_now () 565ev_now (void)
278{ 566{
279 extern ev_tstamp ev_rt_now; 567 extern ev_tstamp ev_rt_now;
280 568
281 return ev_rt_now; 569 return ev_rt_now;
282} 570}
283# endif
284 571
285void ev_default_destroy (void); /* destroy the default loop */ 572/* looks weird, but ev_is_default_loop (EV_A) still works if this exists */
573EV_INLINE int
574ev_is_default_loop (void)
575{
576 return 1;
577}
578
579#endif /* multiplicity */
580
581/* destroy event loops, also works for the default loop */
582void ev_loop_destroy (EV_P);
583
286/* this needs to be called after fork, to duplicate the default loop */ 584/* 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 */ 585/* when you want to re-use it in the child */
288/* you can call it in either the parent or the child */ 586/* you can call it in either the parent or the child */
289/* you can actually call it at any time, anywhere :) */ 587/* you can actually call it at any time, anywhere :) */
290void ev_default_fork (void); 588void ev_loop_fork (EV_P);
291 589
292int ev_method (EV_P); 590unsigned int ev_backend (EV_P); /* backend in use by loop */
293#endif
294 591
295#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 592void ev_now_update (EV_P); /* update event loop time */
296#define EVLOOP_ONESHOT 2 /* block *once* only */ 593
297#define EVUNLOOP_ONCE 1 /* unloop once */ 594#if EV_WALK_ENABLE
595/* walk (almost) all watchers in the loop of a given type, invoking the */
596/* callback on every such watcher. The callback might stop the watcher, */
597/* but do nothing else with the loop */
598void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w));
599#endif
600
601#endif /* prototypes */
602
603/* ev_run flags values */
604enum {
605 EVRUN_NOWAIT = 1, /* do not block/wait */
606 EVRUN_ONCE = 2 /* block *once* only */
607};
608
609/* ev_break how values */
610enum {
611 EVBREAK_CANCEL = 0, /* undo unloop */
612 EVBREAK_ONE = 1, /* unloop once */
298#define EVUNLOOP_ALL 2 /* unloop all loops */ 613 EVBREAK_ALL = 2 /* unloop all loops */
614};
299 615
300#if EV_PROTOTYPES 616#if EV_PROTOTYPES
301void ev_loop (EV_P_ int flags); 617void 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 */ 618void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)); /* break out of the loop */
303 619
304/* 620/*
305 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher 621 * 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 622 * 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. 623 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
308 */ 624 */
309void ev_ref (EV_P); 625void ev_ref (EV_P);
310void ev_unref (EV_P); 626void ev_unref (EV_P);
311 627
628/*
312/* convinience function, wait for a single event, without registering an event watcher */ 629 * convenience function, wait for a single event, without registering an event watcher
313/* if timeout is < 0, do wait indefinitely */ 630 * if timeout is < 0, do wait indefinitely
631 */
314void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 632void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
633
634# if EV_FEATURE_API
635unsigned int ev_iteration (EV_P); /* number of loop iterations */
636unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */
637void ev_verify (EV_P); /* abort if loop data corrupted */
638
639void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
640void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
641
642/* advanced stuff for threading etc. support, see docs */
643void ev_set_userdata (EV_P_ void *data);
644void *ev_userdata (EV_P);
645void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P));
646void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P));
647
648unsigned int ev_pending_count (EV_P); /* number of pending events, if any */
649void ev_invoke_pending (EV_P); /* invoke all pending watchers */
650
651/*
652 * stop/start the timer handling.
653 */
654void ev_suspend (EV_P);
655void ev_resume (EV_P);
656#endif
657
315#endif 658#endif
316 659
317/* these may evaluate ev multiple times, and the other arguments at most once */ 660/* 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 */ 661/* 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 { \ 662#define ev_init(ev,cb_) do { \
320 ((struct ev_watcher *)(void *)(ev))->active = \ 663 ((ev_watcher *)(void *)(ev))->active = \
321 ((struct ev_watcher *)(void *)(ev))->pending = \ 664 ((ev_watcher *)(void *)(ev))->pending = 0; \
322 ((struct ev_watcher *)(void *)(ev))->priority = 0; \ 665 ev_set_priority ((ev), 0); \
323 ev_set_cb ((ev), cb_); \ 666 ev_set_cb ((ev), cb_); \
324} while (0) 667} while (0)
325 668
326#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 669#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) 670#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) 671#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) 672#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
673#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
674#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 */ 675#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 */ 676#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 */ 677#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) 678#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
679#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
680#define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */
681#define ev_async_set(ev) /* nop, yes, this is a serious in-joke */
334 682
335#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 683#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) 684#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) 685#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) 686#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
687#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
688#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) 689#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) 690#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) 691#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
692#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
693#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) 694#define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0)
695#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
343 696
344#define ev_is_pending(ev) (0 + ((struct ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 697#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 */ 698#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
346 699
347#define ev_priority(ev) ((struct ev_watcher *)(void *)(ev))->priority /* rw */
348#define ev_cb(ev) (ev)->cb /* rw */ 700#define ev_cb(ev) (ev)->cb /* rw */
701
702#if EV_MINPRI == EV_MAXPRI
703# define ev_priority(ev) ((ev), EV_MINPRI)
349#define ev_set_priority(ev,pri) ev_priority (ev) = (pri) 704# define ev_set_priority(ev,pri) ((ev), (pri))
705#else
706# define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority))
707# define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri)
708#endif
709
710#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
350 711
351#ifndef ev_set_cb 712#ifndef ev_set_cb
352# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 713# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
353#endif 714#endif
354 715
355/* stopping (enabling, adding) a watcher does nothing if it is already running */ 716/* stopping (enabling, adding) a watcher does nothing if it is already running */
356/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 717/* stopping (disabling, deleting) a watcher does nothing unless its already running */
357#if EV_PROTOTYPES 718#if EV_PROTOTYPES
358 719
359/* feeds an event into a watcher as if the event actually occured */ 720/* feeds an event into a watcher as if the event actually occured */
360/* accepts any ev_watcher type */ 721/* accepts any ev_watcher type */
361void ev_feed_event (EV_P_ void *w, int revents); 722void ev_feed_event (EV_P_ void *w, int revents);
362void ev_feed_fd_event (EV_P_ int fd, int revents); 723void ev_feed_fd_event (EV_P_ int fd, int revents);
724#if EV_SIGNAL_ENABLE
725void ev_feed_signal (int signum);
363void ev_feed_signal_event (EV_P_ int signum); 726void ev_feed_signal_event (EV_P_ int signum);
727#endif
728void ev_invoke (EV_P_ void *w, int revents);
729int ev_clear_pending (EV_P_ void *w);
364 730
365void ev_io_start (EV_P_ struct ev_io *w); 731void ev_io_start (EV_P_ ev_io *w);
366void ev_io_stop (EV_P_ struct ev_io *w); 732void ev_io_stop (EV_P_ ev_io *w);
367 733
368void ev_timer_start (EV_P_ struct ev_timer *w); 734void ev_timer_start (EV_P_ ev_timer *w);
369void ev_timer_stop (EV_P_ struct ev_timer *w); 735void ev_timer_stop (EV_P_ ev_timer *w);
370/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ 736/* 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); 737void ev_timer_again (EV_P_ ev_timer *w);
738/* return remaining time */
739ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w);
372 740
741#if EV_PERIODIC_ENABLE
373void ev_periodic_start (EV_P_ struct ev_periodic *w); 742void ev_periodic_start (EV_P_ ev_periodic *w);
374void ev_periodic_stop (EV_P_ struct ev_periodic *w); 743void ev_periodic_stop (EV_P_ ev_periodic *w);
375void ev_periodic_again (EV_P_ struct ev_periodic *w); 744void ev_periodic_again (EV_P_ ev_periodic *w);
376 745#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);
385 746
386/* only supported in the default loop */ 747/* only supported in the default loop */
748#if EV_SIGNAL_ENABLE
387void ev_signal_start (EV_P_ struct ev_signal *w); 749void ev_signal_start (EV_P_ ev_signal *w);
388void ev_signal_stop (EV_P_ struct ev_signal *w); 750void ev_signal_stop (EV_P_ ev_signal *w);
751#endif
389 752
390/* only supported in the default loop */ 753/* only supported in the default loop */
754# if EV_CHILD_ENABLE
391void ev_child_start (EV_P_ struct ev_child *w); 755void ev_child_start (EV_P_ ev_child *w);
392void ev_child_stop (EV_P_ struct ev_child *w); 756void ev_child_stop (EV_P_ ev_child *w);
393#endif 757# endif
394 758
395#ifdef __cplusplus 759# if EV_STAT_ENABLE
396} 760void ev_stat_start (EV_P_ ev_stat *w);
761void ev_stat_stop (EV_P_ ev_stat *w);
762void ev_stat_stat (EV_P_ ev_stat *w);
397#endif 763# endif
398 764
765# if EV_IDLE_ENABLE
766void ev_idle_start (EV_P_ ev_idle *w);
767void ev_idle_stop (EV_P_ ev_idle *w);
399#endif 768# endif
400 769
770#if EV_PREPARE_ENABLE
771void ev_prepare_start (EV_P_ ev_prepare *w);
772void ev_prepare_stop (EV_P_ ev_prepare *w);
773#endif
774
775#if EV_CHECK_ENABLE
776void ev_check_start (EV_P_ ev_check *w);
777void ev_check_stop (EV_P_ ev_check *w);
778#endif
779
780# if EV_FORK_ENABLE
781void ev_fork_start (EV_P_ ev_fork *w);
782void ev_fork_stop (EV_P_ ev_fork *w);
783# endif
784
785# if EV_CLEANUP_ENABLE
786void ev_cleanup_start (EV_P_ ev_cleanup *w);
787void ev_cleanup_stop (EV_P_ ev_cleanup *w);
788# endif
789
790# if EV_EMBED_ENABLE
791/* only supported when loop to be embedded is in fact embeddable */
792void ev_embed_start (EV_P_ ev_embed *w);
793void ev_embed_stop (EV_P_ ev_embed *w);
794void ev_embed_sweep (EV_P_ ev_embed *w);
795# endif
796
797# if EV_ASYNC_ENABLE
798void ev_async_start (EV_P_ ev_async *w);
799void ev_async_stop (EV_P_ ev_async *w);
800void ev_async_send (EV_P_ ev_async *w);
801# endif
802
803#if EV_COMPAT3
804 #define EVLOOP_NONBLOCK EVRUN_NOWAIT
805 #define EVLOOP_ONESHOT EVRUN_ONCE
806 #define EVUNLOOP_CANCEL EVBREAK_CANCEL
807 #define EVUNLOOP_ONE EVBREAK_ONE
808 #define EVUNLOOP_ALL EVBREAK_ALL
809 #if EV_PROTOTYPES
810 EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); }
811 EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); }
812 EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); }
813 EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); }
814 #if EV_FEATURE_API
815 EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); }
816 EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); }
817 EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); }
818 #endif
819 #endif
820#else
821 typedef struct ev_loop ev_loop;
822#endif
823
824#endif
825
826EV_CPP(})
827
828#endif
829

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