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Comparing libev/ev.h (file contents):
Revision 1.87 by root, Thu Dec 20 10:12:22 2007 UTC vs.
Revision 1.101 by root, Wed May 21 23:25:21 2008 UTC

1/* 1/*
2 * libev native API header
3 *
2 * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008 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: 9 *
10 * 1. Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
19 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
20 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
21 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
23 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
25 * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
26 * OF THE POSSIBILITY OF SUCH DAMAGE.
8 * 27 *
9 * * Redistributions of source code must retain the above copyright 28 * Alternatively, the contents of this file may be used under the terms of
10 * notice, this list of conditions and the following disclaimer. 29 * the GNU General Public License ("GPL") version 2 or any later version,
11 * 30 * in which case the provisions of the GPL are applicable instead of
12 * * Redistributions in binary form must reproduce the above 31 * the above. If you wish to allow the use of your version of this file
13 * copyright notice, this list of conditions and the following 32 * only under the terms of the GPL and not to allow others to use your
14 * disclaimer in the documentation and/or other materials provided 33 * version of this file under the BSD license, indicate your decision
15 * with the distribution. 34 * by deleting the provisions above and replace them with the notice
16 * 35 * and other provisions required by the GPL. If you do not delete the
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 36 * provisions above, a recipient may use your version of this file under
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 37 * either the BSD or the GPL.
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */ 38 */
29 39
30#ifndef EV_H__ 40#ifndef EV_H__
31#define EV_H__ 41#define EV_H__
32 42
… …
64# define EV_FORK_ENABLE 1 74# define EV_FORK_ENABLE 1
65#endif 75#endif
66 76
67#ifndef EV_EMBED_ENABLE 77#ifndef EV_EMBED_ENABLE
68# define EV_EMBED_ENABLE 1 78# define EV_EMBED_ENABLE 1
79#endif
80
81#ifndef EV_ASYNC_ENABLE
82# define EV_ASYNC_ENABLE 1
83#endif
84
85#ifndef EV_ATOMIC_T
86# include <signal.h>
87# define EV_ATOMIC_T sig_atomic_t volatile
69#endif 88#endif
70 89
71/*****************************************************************************/ 90/*****************************************************************************/
72 91
73#if EV_STAT_ENABLE 92#if EV_STAT_ENABLE
… …
79struct ev_loop; 98struct ev_loop;
80# define EV_P struct ev_loop *loop 99# define EV_P struct ev_loop *loop
81# define EV_P_ EV_P, 100# define EV_P_ EV_P,
82# define EV_A loop 101# define EV_A loop
83# define EV_A_ EV_A, 102# define EV_A_ EV_A,
103# define EV_DEFAULT_UC ev_default_loop_uc ()
104# define EV_DEFAULT_UC_ EV_DEFAULT_UC,
84# define EV_DEFAULT ev_default_loop (0) 105# define EV_DEFAULT ev_default_loop (0)
85# define EV_DEFAULT_ EV_DEFAULT, 106# define EV_DEFAULT_ EV_DEFAULT,
86#else 107#else
87# define EV_P void 108# define EV_P void
88# define EV_P_ 109# define EV_P_
89# define EV_A 110# define EV_A
90# define EV_A_ 111# define EV_A_
91# define EV_DEFAULT 112# define EV_DEFAULT
92# define EV_DEFAULT_ 113# define EV_DEFAULT_
93 114# define EV_DEFAULT_UC
115# define EV_DEFAULT_UC_
94# undef EV_EMBED_ENABLE 116# undef EV_EMBED_ENABLE
95#endif 117#endif
96 118
119#if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3
120# define EV_INLINE static inline
121#else
122# define EV_INLINE static
123#endif
124
125/*****************************************************************************/
126
97/* eventmask, revents, events... */ 127/* eventmask, revents, events... */
98#define EV_UNDEF -1L /* guaranteed to be invalid */ 128#define EV_UNDEF -1 /* guaranteed to be invalid */
99#define EV_NONE 0x00L /* no events */ 129#define EV_NONE 0x00 /* no events */
100#define EV_READ 0x01L /* ev_io detected read will not block */ 130#define EV_READ 0x01 /* ev_io detected read will not block */
101#define EV_WRITE 0x02L /* ev_io detected write will not block */ 131#define EV_WRITE 0x02 /* ev_io detected write will not block */
102#define EV_IOFDSET 0x80L /* internal use only */ 132#define EV_IOFDSET 0x80 /* internal use only */
103#define EV_TIMEOUT 0x00000100L /* timer timed out */ 133#define EV_TIMEOUT 0x00000100 /* timer timed out */
104#define EV_PERIODIC 0x00000200L /* periodic timer timed out */ 134#define EV_PERIODIC 0x00000200 /* periodic timer timed out */
105#define EV_SIGNAL 0x00000400L /* signal was received */ 135#define EV_SIGNAL 0x00000400 /* signal was received */
106#define EV_CHILD 0x00000800L /* child/pid had status change */ 136#define EV_CHILD 0x00000800 /* child/pid had status change */
107#define EV_STAT 0x00001000L /* stat data changed */ 137#define EV_STAT 0x00001000 /* stat data changed */
108#define EV_IDLE 0x00002000L /* event loop is idling */ 138#define EV_IDLE 0x00002000 /* event loop is idling */
109#define EV_PREPARE 0x00004000L /* event loop about to poll */ 139#define EV_PREPARE 0x00004000 /* event loop about to poll */
110#define EV_CHECK 0x00008000L /* event loop finished poll */ 140#define EV_CHECK 0x00008000 /* event loop finished poll */
111#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */ 141#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */
112#define EV_FORK 0x00020000L /* event loop resumed in child */ 142#define EV_FORK 0x00020000 /* event loop resumed in child */
143#define EV_ASYNC 0x00040000 /* async intra-loop signal */
113#define EV_ERROR 0x80000000L /* sent when an error occurs */ 144#define EV_ERROR 0x80000000 /* sent when an error occurs */
114 145
115/* can be used to add custom fields to all watchers, while losing binary compatibility */ 146/* can be used to add custom fields to all watchers, while losing binary compatibility */
116#ifndef EV_COMMON 147#ifndef EV_COMMON
117# define EV_COMMON void *data; 148# define EV_COMMON void *data;
118#endif 149#endif
119#ifndef EV_PROTOTYPES 150#ifndef EV_PROTOTYPES
120# define EV_PROTOTYPES 1 151# define EV_PROTOTYPES 1
121#endif 152#endif
122 153
123#define EV_VERSION_MAJOR 2 154#define EV_VERSION_MAJOR 3
124#define EV_VERSION_MINOR 0 155#define EV_VERSION_MINOR 0
125 156
126#ifndef EV_CB_DECLARE 157#ifndef EV_CB_DECLARE
127# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); 158# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
128#endif 159#endif
… …
133/* 164/*
134 * struct member types: 165 * struct member types:
135 * private: you can look at them, but not change them, and they might not mean anything to you. 166 * private: you can look at them, but not change them, and they might not mean anything to you.
136 * ro: can be read anytime, but only changed when the watcher isn't active 167 * ro: can be read anytime, but only changed when the watcher isn't active
137 * rw: can be read and modified anytime, even when the watcher is active 168 * rw: can be read and modified anytime, even when the watcher is active
169 *
170 * some internal details that might be helpful for debugging:
171 *
172 * active is either 0, which means the watcher is not active,
173 * or the array index of the watcher (periodics, timers)
174 * or the array index + 1 (most other watchers)
175 * or simply 1 for watchers that aren't in some array.
176 * pending is either 0, in which case the watcher isn't,
177 * or the array index + 1 in the pendings array.
138 */ 178 */
139 179
140/* shared by all watchers */ 180/* shared by all watchers */
141#define EV_WATCHER(type) \ 181#define EV_WATCHER(type) \
142 int active; /* private */ \ 182 int active; /* private */ \
… …
215/* does not support priorities */ 255/* does not support priorities */
216typedef struct ev_child 256typedef struct ev_child
217{ 257{
218 EV_WATCHER_LIST (ev_child) 258 EV_WATCHER_LIST (ev_child)
219 259
260 int flags; /* private */
220 int pid; /* ro */ 261 int pid; /* ro */
221 int rpid; /* rw, holds the received pid */ 262 int rpid; /* rw, holds the received pid */
222 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ 263 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
223} ev_child; 264} ev_child;
224 265
… …
294 ev_idle idle; /* unused */ 335 ev_idle idle; /* unused */
295 ev_fork fork; /* unused */ 336 ev_fork fork; /* unused */
296} ev_embed; 337} ev_embed;
297#endif 338#endif
298 339
340#if EV_ASYNC_ENABLE
341/* invoked when somebody calls ev_async_send on the watcher */
342/* revent EV_ASYNC */
343typedef struct ev_async
344{
345 EV_WATCHER (ev_async)
346
347 EV_ATOMIC_T sent; /* private */
348} ev_async;
349
350# define ev_async_pending(w) ((w)->sent + 0)
351#endif
352
299/* the presence of this union forces similar struct layout */ 353/* the presence of this union forces similar struct layout */
300union ev_any_watcher 354union ev_any_watcher
301{ 355{
302 struct ev_watcher w; 356 struct ev_watcher w;
303 struct ev_watcher_list wl; 357 struct ev_watcher_list wl;
… …
319 struct ev_fork fork; 373 struct ev_fork fork;
320#endif 374#endif
321#if EV_EMBED_ENABLE 375#if EV_EMBED_ENABLE
322 struct ev_embed embed; 376 struct ev_embed embed;
323#endif 377#endif
378#if EV_ASYNC_ENABLE
379 struct ev_async async;
380#endif
324}; 381};
325 382
326/* bits for ev_default_loop and ev_loop_new */ 383/* bits for ev_default_loop and ev_loop_new */
327/* the default */ 384/* the default */
328#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ 385#define EVFLAG_AUTO 0x00000000U /* not quite a mask */
329/* flag bits */ 386/* flag bits */
330#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ 387#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */
331#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */ 388#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */
332/* method bits to be ored together */ 389/* method bits to be ored together */
333#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ 390#define EVBACKEND_SELECT 0x00000001U /* about anywhere */
334#define EVBACKEND_POLL 0x00000002UL /* !win */ 391#define EVBACKEND_POLL 0x00000002U /* !win */
335#define EVBACKEND_EPOLL 0x00000004UL /* linux */ 392#define EVBACKEND_EPOLL 0x00000004U /* linux */
336#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ 393#define EVBACKEND_KQUEUE 0x00000008U /* bsd */
337#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */ 394#define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 */ /* NYI */
338#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */ 395#define EVBACKEND_PORT 0x00000020U /* solaris 10 */
339 396
340#if EV_PROTOTYPES 397#if EV_PROTOTYPES
341int ev_version_major (void); 398int ev_version_major (void);
342int ev_version_minor (void); 399int ev_version_minor (void);
343 400
344unsigned int ev_supported_backends (void); 401unsigned int ev_supported_backends (void);
345unsigned int ev_recommended_backends (void); 402unsigned int ev_recommended_backends (void);
346unsigned int ev_embeddable_backends (void); 403unsigned int ev_embeddable_backends (void);
347 404
348ev_tstamp ev_time (void); 405ev_tstamp ev_time (void);
406void ev_sleep (ev_tstamp delay); /* sleep for a while */
349 407
350/* Sets the allocation function to use, works like realloc. 408/* Sets the allocation function to use, works like realloc.
351 * It is used to allocate and free memory. 409 * It is used to allocate and free memory.
352 * If it returns zero when memory needs to be allocated, the library might abort 410 * If it returns zero when memory needs to be allocated, the library might abort
353 * or take some potentially destructive action. 411 * or take some potentially destructive action.
… …
360 * (such as failed select, poll, epoll_wait) 418 * (such as failed select, poll, epoll_wait)
361 */ 419 */
362void ev_set_syserr_cb (void (*cb)(const char *msg)); 420void ev_set_syserr_cb (void (*cb)(const char *msg));
363 421
364# if EV_MULTIPLICITY 422# if EV_MULTIPLICITY
423EV_INLINE struct ev_loop *
424ev_default_loop_uc (void)
425{
426 extern struct ev_loop *ev_default_loop_ptr;
427
428 return ev_default_loop_ptr;
429}
430
365/* the default loop is the only one that handles signals and child watchers */ 431/* the default loop is the only one that handles signals and child watchers */
366/* you can call this as often as you like */ 432/* you can call this as often as you like */
367static struct ev_loop * 433EV_INLINE struct ev_loop *
368ev_default_loop (unsigned int flags) 434ev_default_loop (unsigned int flags)
369{ 435{
370 extern struct ev_loop *ev_default_loop_ptr; 436 struct ev_loop *loop = ev_default_loop_uc ();
437
438 if (!loop)
439 {
371 extern struct ev_loop *ev_default_loop_init (unsigned int flags); 440 extern struct ev_loop *ev_default_loop_init (unsigned int flags);
372 441
373 if (!ev_default_loop_ptr)
374 ev_default_loop_init (flags); 442 loop = ev_default_loop_init (flags);
443 }
375 444
376 return ev_default_loop_ptr; 445 return loop;
377} 446}
378 447
379/* create and destroy alternative loops that don't handle signals */ 448/* create and destroy alternative loops that don't handle signals */
380struct ev_loop *ev_loop_new (unsigned int flags); 449struct ev_loop *ev_loop_new (unsigned int flags);
381void ev_loop_destroy (EV_P); 450void ev_loop_destroy (EV_P);
… …
385 454
386# else 455# else
387 456
388int ev_default_loop (unsigned int flags); /* returns true when successful */ 457int ev_default_loop (unsigned int flags); /* returns true when successful */
389 458
390static ev_tstamp 459EV_INLINE ev_tstamp
391ev_now (void) 460ev_now (void)
392{ 461{
393 extern ev_tstamp ev_rt_now; 462 extern ev_tstamp ev_rt_now;
394 463
395 return ev_rt_now; 464 return ev_rt_now;
396} 465}
397# endif 466# endif
467
468EV_INLINE int
469ev_is_default_loop (EV_P)
470{
471#if EV_MULTIPLICITY
472 extern struct ev_loop *ev_default_loop_ptr;
473
474 return !!(EV_A == ev_default_loop_ptr);
475#else
476 return 1;
477#endif
478}
398 479
399void ev_default_destroy (void); /* destroy the default loop */ 480void ev_default_destroy (void); /* destroy the default loop */
400/* this needs to be called after fork, to duplicate the default loop */ 481/* this needs to be called after fork, to duplicate the default loop */
401/* if you create alternative loops you have to call ev_loop_fork on them */ 482/* if you create alternative loops you have to call ev_loop_fork on them */
402/* you can call it in either the parent or the child */ 483/* you can call it in either the parent or the child */
403/* you can actually call it at any time, anywhere :) */ 484/* you can actually call it at any time, anywhere :) */
404void ev_default_fork (void); 485void ev_default_fork (void);
405 486
406unsigned int ev_backend (EV_P); 487unsigned int ev_backend (EV_P); /* backend in use by loop */
407unsigned int ev_loop_count (EV_P); 488unsigned int ev_loop_count (EV_P); /* number of loop iterations */
408#endif 489#endif
409 490
410#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 491#define EVLOOP_NONBLOCK 1 /* do not block/wait */
411#define EVLOOP_ONESHOT 2 /* block *once* only */ 492#define EVLOOP_ONESHOT 2 /* block *once* only */
412#define EVUNLOOP_CANCEL 0 /* undo unloop */ 493#define EVUNLOOP_CANCEL 0 /* undo unloop */
… …
414#define EVUNLOOP_ALL 2 /* unloop all loops */ 495#define EVUNLOOP_ALL 2 /* unloop all loops */
415 496
416#if EV_PROTOTYPES 497#if EV_PROTOTYPES
417void ev_loop (EV_P_ int flags); 498void ev_loop (EV_P_ int flags);
418void 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 */ 499void 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 */
500
501void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
502void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
419 503
420/* 504/*
421 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher 505 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
422 * keeps one reference. if you have a long-runing watcher you never unregister that 506 * keeps one reference. if you have a long-runing watcher you never unregister that
423 * should not keep ev_loop from running, unref() after starting, and ref() before stopping. 507 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
… …
438 ((ev_watcher *)(void *)(ev))->priority = 0; \ 522 ((ev_watcher *)(void *)(ev))->priority = 0; \
439 ev_set_cb ((ev), cb_); \ 523 ev_set_cb ((ev), cb_); \
440} while (0) 524} while (0)
441 525
442#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0) 526#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0)
443#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 527#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
444#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) 528#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
445#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 529#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
446#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) 530#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
447#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) 531#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
448#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 532#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
449#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 533#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
450#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 534#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
451#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) 535#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
452#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ 536#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
537#define ev_async_set(ev) do { (ev)->sent = 0; } while (0)
453 538
454#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 539#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
455#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 540#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
456#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) 541#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
457#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) 542#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
458#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) 543#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
459#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0) 544#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
460#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) 545#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
461#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) 546#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
462#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) 547#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
463#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) 548#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
464#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) 549#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
550#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
465 551
466#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 552#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
467#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 553#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
468 554
469#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0) 555#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
470#define ev_cb(ev) (ev)->cb /* rw */ 556#define ev_cb(ev) (ev)->cb /* rw */
471#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri) 557#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri)
558
559#define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.)
472 560
473#ifndef ev_set_cb 561#ifndef ev_set_cb
474# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 562# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
475#endif 563#endif
476 564
… …
535void ev_embed_start (EV_P_ ev_embed *w); 623void ev_embed_start (EV_P_ ev_embed *w);
536void ev_embed_stop (EV_P_ ev_embed *w); 624void ev_embed_stop (EV_P_ ev_embed *w);
537void ev_embed_sweep (EV_P_ ev_embed *w); 625void ev_embed_sweep (EV_P_ ev_embed *w);
538# endif 626# endif
539 627
628# if EV_ASYNC_ENABLE
629void ev_async_start (EV_P_ ev_async *w);
630void ev_async_stop (EV_P_ ev_async *w);
631void ev_async_send (EV_P_ ev_async *w);
632# endif
633
540#endif 634#endif
541 635
542#ifdef __cplusplus 636#ifdef __cplusplus
543} 637}
544#endif 638#endif

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