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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 1.110 by root, Wed Mar 4 14:33:10 2009 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 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
… …
66 76
67#ifndef EV_EMBED_ENABLE 77#ifndef EV_EMBED_ENABLE
68# define EV_EMBED_ENABLE 1 78# define EV_EMBED_ENABLE 1
69#endif 79#endif
70 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
88#endif
89
71/*****************************************************************************/ 90/*****************************************************************************/
72 91
73#if EV_STAT_ENABLE 92#if EV_STAT_ENABLE
93# ifdef _WIN32
94# include <time.h>
95# include <sys/types.h>
96# endif
74# include <sys/stat.h> 97# include <sys/stat.h>
75#endif 98#endif
76 99
77/* support multiple event loops? */ 100/* support multiple event loops? */
78#if EV_MULTIPLICITY 101#if EV_MULTIPLICITY
79struct ev_loop; 102struct ev_loop;
80# define EV_P struct ev_loop *loop 103# define EV_P struct ev_loop *loop
81# define EV_P_ EV_P, 104# define EV_P_ EV_P,
82# define EV_A loop 105# define EV_A loop
83# define EV_A_ EV_A, 106# define EV_A_ EV_A,
107# define EV_DEFAULT_UC ev_default_loop_uc ()
108# define EV_DEFAULT_UC_ EV_DEFAULT_UC,
84# define EV_DEFAULT ev_default_loop (0) 109# define EV_DEFAULT ev_default_loop (0)
85# define EV_DEFAULT_ EV_DEFAULT, 110# define EV_DEFAULT_ EV_DEFAULT,
86#else 111#else
87# define EV_P void 112# define EV_P void
88# define EV_P_ 113# define EV_P_
89# define EV_A 114# define EV_A
90# define EV_A_ 115# define EV_A_
91# define EV_DEFAULT 116# define EV_DEFAULT
92# define EV_DEFAULT_ 117# define EV_DEFAULT_
93 118# define EV_DEFAULT_UC
119# define EV_DEFAULT_UC_
94# undef EV_EMBED_ENABLE 120# undef EV_EMBED_ENABLE
95#endif 121#endif
96 122
123#if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3
124# define EV_INLINE static inline
125#else
126# define EV_INLINE static
127#endif
128
129/*****************************************************************************/
130
97/* eventmask, revents, events... */ 131/* eventmask, revents, events... */
98#define EV_UNDEF -1L /* guaranteed to be invalid */ 132#define EV_UNDEF -1 /* guaranteed to be invalid */
99#define EV_NONE 0x00L /* no events */ 133#define EV_NONE 0x00 /* no events */
100#define EV_READ 0x01L /* ev_io detected read will not block */ 134#define EV_READ 0x01 /* ev_io detected read will not block */
101#define EV_WRITE 0x02L /* ev_io detected write will not block */ 135#define EV_WRITE 0x02 /* ev_io detected write will not block */
102#define EV_IOFDSET 0x80L /* internal use only */ 136#define EV_IOFDSET 0x80 /* internal use only */
103#define EV_TIMEOUT 0x00000100L /* timer timed out */ 137#define EV_TIMEOUT 0x00000100 /* timer timed out */
104#define EV_PERIODIC 0x00000200L /* periodic timer timed out */ 138#define EV_PERIODIC 0x00000200 /* periodic timer timed out */
105#define EV_SIGNAL 0x00000400L /* signal was received */ 139#define EV_SIGNAL 0x00000400 /* signal was received */
106#define EV_CHILD 0x00000800L /* child/pid had status change */ 140#define EV_CHILD 0x00000800 /* child/pid had status change */
107#define EV_STAT 0x00001000L /* stat data changed */ 141#define EV_STAT 0x00001000 /* stat data changed */
108#define EV_IDLE 0x00002000L /* event loop is idling */ 142#define EV_IDLE 0x00002000 /* event loop is idling */
109#define EV_PREPARE 0x00004000L /* event loop about to poll */ 143#define EV_PREPARE 0x00004000 /* event loop about to poll */
110#define EV_CHECK 0x00008000L /* event loop finished poll */ 144#define EV_CHECK 0x00008000 /* event loop finished poll */
111#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */ 145#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */
112#define EV_FORK 0x00020000L /* event loop resumed in child */ 146#define EV_FORK 0x00020000 /* event loop resumed in child */
147#define EV_ASYNC 0x00040000 /* async intra-loop signal */
113#define EV_ERROR 0x80000000L /* sent when an error occurs */ 148#define EV_ERROR 0x80000000 /* sent when an error occurs */
114 149
115/* can be used to add custom fields to all watchers, while losing binary compatibility */ 150/* can be used to add custom fields to all watchers, while losing binary compatibility */
116#ifndef EV_COMMON 151#ifndef EV_COMMON
117# define EV_COMMON void *data; 152# define EV_COMMON void *data;
118#endif 153#endif
119#ifndef EV_PROTOTYPES 154#ifndef EV_PROTOTYPES
120# define EV_PROTOTYPES 1 155# define EV_PROTOTYPES 1
121#endif 156#endif
122 157
123#define EV_VERSION_MAJOR 2 158#define EV_VERSION_MAJOR 3
124#define EV_VERSION_MINOR 0 159#define EV_VERSION_MINOR 0
125 160
126#ifndef EV_CB_DECLARE 161#ifndef EV_CB_DECLARE
127# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); 162# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
128#endif 163#endif
… …
130# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) 165# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
131#endif 166#endif
132 167
133/* 168/*
134 * struct member types: 169 * struct member types:
135 * private: you can look at them, but not change them, and they might not mean anything to you. 170 * private: you may look at them, but not change them,
171 * and they might not mean anything to you.
136 * ro: can be read anytime, but only changed when the watcher isn't active 172 * 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 173 * rw: can be read and modified anytime, even when the watcher is active.
174 *
175 * some internal details that might be helpful for debugging:
176 *
177 * active is either 0, which means the watcher is not active,
178 * or the array index of the watcher (periodics, timers)
179 * or the array index + 1 (most other watchers)
180 * or simply 1 for watchers that aren't in some array.
181 * pending is either 0, in which case the watcher isn't,
182 * or the array index + 1 in the pendings array.
138 */ 183 */
139 184
140/* shared by all watchers */ 185/* shared by all watchers */
141#define EV_WATCHER(type) \ 186#define EV_WATCHER(type) \
142 int active; /* private */ \ 187 int active; /* private */ \
… …
215/* does not support priorities */ 260/* does not support priorities */
216typedef struct ev_child 261typedef struct ev_child
217{ 262{
218 EV_WATCHER_LIST (ev_child) 263 EV_WATCHER_LIST (ev_child)
219 264
265 int flags; /* private */
220 int pid; /* ro */ 266 int pid; /* ro */
221 int rpid; /* rw, holds the received pid */ 267 int rpid; /* rw, holds the received pid */
222 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ 268 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
223} ev_child; 269} ev_child;
224 270
… …
290 ev_prepare prepare; /* private */ 336 ev_prepare prepare; /* private */
291 ev_check check; /* unused */ 337 ev_check check; /* unused */
292 ev_timer timer; /* unused */ 338 ev_timer timer; /* unused */
293 ev_periodic periodic; /* unused */ 339 ev_periodic periodic; /* unused */
294 ev_idle idle; /* unused */ 340 ev_idle idle; /* unused */
295 ev_fork fork; /* unused */ 341 ev_fork fork; /* private */
296} ev_embed; 342} ev_embed;
343#endif
344
345#if EV_ASYNC_ENABLE
346/* invoked when somebody calls ev_async_send on the watcher */
347/* revent EV_ASYNC */
348typedef struct ev_async
349{
350 EV_WATCHER (ev_async)
351
352 EV_ATOMIC_T sent; /* private */
353} ev_async;
354
355# define ev_async_pending(w) ((w)->sent + 0)
297#endif 356#endif
298 357
299/* the presence of this union forces similar struct layout */ 358/* the presence of this union forces similar struct layout */
300union ev_any_watcher 359union ev_any_watcher
301{ 360{
… …
319 struct ev_fork fork; 378 struct ev_fork fork;
320#endif 379#endif
321#if EV_EMBED_ENABLE 380#if EV_EMBED_ENABLE
322 struct ev_embed embed; 381 struct ev_embed embed;
323#endif 382#endif
383#if EV_ASYNC_ENABLE
384 struct ev_async async;
385#endif
324}; 386};
325 387
326/* bits for ev_default_loop and ev_loop_new */ 388/* bits for ev_default_loop and ev_loop_new */
327/* the default */ 389/* the default */
328#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ 390#define EVFLAG_AUTO 0x00000000U /* not quite a mask */
329/* flag bits */ 391/* flag bits */
330#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ 392#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */
331#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */ 393#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */
332/* method bits to be ored together */ 394/* method bits to be ored together */
333#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ 395#define EVBACKEND_SELECT 0x00000001U /* about anywhere */
334#define EVBACKEND_POLL 0x00000002UL /* !win */ 396#define EVBACKEND_POLL 0x00000002U /* !win */
335#define EVBACKEND_EPOLL 0x00000004UL /* linux */ 397#define EVBACKEND_EPOLL 0x00000004U /* linux */
336#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ 398#define EVBACKEND_KQUEUE 0x00000008U /* bsd */
337#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */ 399#define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 */ /* NYI */
338#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */ 400#define EVBACKEND_PORT 0x00000020U /* solaris 10 */
339 401
340#if EV_PROTOTYPES 402#if EV_PROTOTYPES
341int ev_version_major (void); 403int ev_version_major (void);
342int ev_version_minor (void); 404int ev_version_minor (void);
343 405
344unsigned int ev_supported_backends (void); 406unsigned int ev_supported_backends (void);
345unsigned int ev_recommended_backends (void); 407unsigned int ev_recommended_backends (void);
346unsigned int ev_embeddable_backends (void); 408unsigned int ev_embeddable_backends (void);
347 409
348ev_tstamp ev_time (void); 410ev_tstamp ev_time (void);
411void ev_sleep (ev_tstamp delay); /* sleep for a while */
349 412
350/* Sets the allocation function to use, works like realloc. 413/* Sets the allocation function to use, works like realloc.
351 * It is used to allocate and free memory. 414 * It is used to allocate and free memory.
352 * If it returns zero when memory needs to be allocated, the library might abort 415 * If it returns zero when memory needs to be allocated, the library might abort
353 * or take some potentially destructive action. 416 * or take some potentially destructive action.
… …
359 * retryable syscall error 422 * retryable syscall error
360 * (such as failed select, poll, epoll_wait) 423 * (such as failed select, poll, epoll_wait)
361 */ 424 */
362void ev_set_syserr_cb (void (*cb)(const char *msg)); 425void ev_set_syserr_cb (void (*cb)(const char *msg));
363 426
364# if EV_MULTIPLICITY 427#if EV_MULTIPLICITY
428EV_INLINE struct ev_loop *
429ev_default_loop_uc (void)
430{
431 extern struct ev_loop *ev_default_loop_ptr;
432
433 return ev_default_loop_ptr;
434}
435
365/* the default loop is the only one that handles signals and child watchers */ 436/* the default loop is the only one that handles signals and child watchers */
366/* you can call this as often as you like */ 437/* you can call this as often as you like */
367static struct ev_loop * 438EV_INLINE struct ev_loop *
368ev_default_loop (unsigned int flags) 439ev_default_loop (unsigned int flags)
369{ 440{
370 extern struct ev_loop *ev_default_loop_ptr; 441 struct ev_loop *loop = ev_default_loop_uc ();
442
443 if (!loop)
444 {
371 extern struct ev_loop *ev_default_loop_init (unsigned int flags); 445 extern struct ev_loop *ev_default_loop_init (unsigned int flags);
372 446
373 if (!ev_default_loop_ptr)
374 ev_default_loop_init (flags); 447 loop = ev_default_loop_init (flags);
448 }
375 449
376 return ev_default_loop_ptr; 450 return loop;
377} 451}
378 452
379/* create and destroy alternative loops that don't handle signals */ 453/* create and destroy alternative loops that don't handle signals */
380struct ev_loop *ev_loop_new (unsigned int flags); 454struct ev_loop *ev_loop_new (unsigned int flags);
381void ev_loop_destroy (EV_P); 455void ev_loop_destroy (EV_P);
382void ev_loop_fork (EV_P); 456void ev_loop_fork (EV_P);
457void ev_loop_verify (EV_P);
383 458
384ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ 459ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
460void ev_now_update (EV_P);
385 461
386# else 462#else
387 463
388int ev_default_loop (unsigned int flags); /* returns true when successful */ 464int ev_default_loop (unsigned int flags); /* returns true when successful */
389 465
390static ev_tstamp 466EV_INLINE ev_tstamp
391ev_now (void) 467ev_now (void)
392{ 468{
393 extern ev_tstamp ev_rt_now; 469 extern ev_tstamp ev_rt_now;
394 470
395 return ev_rt_now; 471 return ev_rt_now;
396} 472}
473#endif /* multiplicity */
474
475EV_INLINE int
476ev_is_default_loop (EV_P)
477{
478#if EV_MULTIPLICITY
479 extern struct ev_loop *ev_default_loop_ptr;
480
481 return !!(EV_A == ev_default_loop_ptr);
482#else
483 return 1;
397# endif 484#endif
485}
398 486
399void ev_default_destroy (void); /* destroy the default loop */ 487void ev_default_destroy (void); /* destroy the default loop */
400/* this needs to be called after fork, to duplicate the default loop */ 488/* 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 */ 489/* 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 */ 490/* you can call it in either the parent or the child */
403/* you can actually call it at any time, anywhere :) */ 491/* you can actually call it at any time, anywhere :) */
404void ev_default_fork (void); 492void ev_default_fork (void);
405 493
406unsigned int ev_backend (EV_P); 494unsigned int ev_backend (EV_P); /* backend in use by loop */
407unsigned int ev_loop_count (EV_P); 495unsigned int ev_loop_count (EV_P); /* number of loop iterations */
408#endif 496#endif /* prototypes */
409 497
410#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 498#define EVLOOP_NONBLOCK 1 /* do not block/wait */
411#define EVLOOP_ONESHOT 2 /* block *once* only */ 499#define EVLOOP_ONESHOT 2 /* block *once* only */
412#define EVUNLOOP_CANCEL 0 /* undo unloop */ 500#define EVUNLOOP_CANCEL 0 /* undo unloop */
413#define EVUNLOOP_ONE 1 /* unloop once */ 501#define EVUNLOOP_ONE 1 /* unloop once */
414#define EVUNLOOP_ALL 2 /* unloop all loops */ 502#define EVUNLOOP_ALL 2 /* unloop all loops */
415 503
416#if EV_PROTOTYPES 504#if EV_PROTOTYPES
417void ev_loop (EV_P_ int flags); 505void 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 */ 506void 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 */
507
508void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
509void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
419 510
420/* 511/*
421 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher 512 * 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 513 * 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. 514 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
424 */ 515 */
425void ev_ref (EV_P); 516void ev_ref (EV_P);
426void ev_unref (EV_P); 517void ev_unref (EV_P);
427 518
428/* convinience function, wait for a single event, without registering an event watcher */ 519/* convenience function, wait for a single event, without registering an event watcher */
429/* if timeout is < 0, do wait indefinitely */ 520/* if timeout is < 0, do wait indefinitely */
430void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 521void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
431#endif 522#endif
432 523
433/* these may evaluate ev multiple times, and the other arguments at most once */ 524/* these may evaluate ev multiple times, and the other arguments at most once */
… …
437 ((ev_watcher *)(void *)(ev))->pending = \ 528 ((ev_watcher *)(void *)(ev))->pending = \
438 ((ev_watcher *)(void *)(ev))->priority = 0; \ 529 ((ev_watcher *)(void *)(ev))->priority = 0; \
439 ev_set_cb ((ev), cb_); \ 530 ev_set_cb ((ev), cb_); \
440} while (0) 531} while (0)
441 532
442#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0) 533#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) 534#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) 535#define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0)
445#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 536#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) 537#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) 538#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 */ 539#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 */ 540#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 */ 541#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) 542#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 */ 543#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
544#define ev_async_set(ev) do { (ev)->sent = 0; } while (0)
453 545
454#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 546#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) 547#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) 548#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
457#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) 549#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) 550#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) 551#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) 552#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) 553#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) 554#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) 555#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) 556#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
557#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
465 558
466#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 559#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 */ 560#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
468 561
469#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0) 562#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
470#define ev_cb(ev) (ev)->cb /* rw */ 563#define ev_cb(ev) (ev)->cb /* rw */
471#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri) 564#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri)
565
566#define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.)
472 567
473#ifndef ev_set_cb 568#ifndef ev_set_cb
474# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 569# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
475#endif 570#endif
476 571
477/* stopping (enabling, adding) a watcher does nothing if it is already running */ 572/* stopping (enabling, adding) a watcher does nothing if it is already running */
478/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 573/* stopping (disabling, deleting) a watcher does nothing unless its already running */
479#if EV_PROTOTYPES 574#if EV_PROTOTYPES
… …
535void ev_embed_start (EV_P_ ev_embed *w); 630void ev_embed_start (EV_P_ ev_embed *w);
536void ev_embed_stop (EV_P_ ev_embed *w); 631void ev_embed_stop (EV_P_ ev_embed *w);
537void ev_embed_sweep (EV_P_ ev_embed *w); 632void ev_embed_sweep (EV_P_ ev_embed *w);
538# endif 633# endif
539 634
635# if EV_ASYNC_ENABLE
636void ev_async_start (EV_P_ ev_async *w);
637void ev_async_stop (EV_P_ ev_async *w);
638void ev_async_send (EV_P_ ev_async *w);
639# endif
640
540#endif 641#endif
541 642
542#ifdef __cplusplus 643#ifdef __cplusplus
543} 644}
544#endif 645#endif

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