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Comparing libev/ev.h (file contents):
Revision 1.88 by root, Sat Dec 22 05:48:00 2007 UTC vs.
Revision 1.113 by root, Wed Apr 15 17:49:27 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 */
137#define EV_IO EV_READ /* alias for type-detection */
103#define EV_TIMEOUT 0x00000100L /* timer timed out */ 138#define EV_TIMEOUT 0x00000100 /* timer timed out */
139#define EV_TIMER EV_TIMEOUT /* alias for type-detection */
104#define EV_PERIODIC 0x00000200L /* periodic timer timed out */ 140#define EV_PERIODIC 0x00000200 /* periodic timer timed out */
105#define EV_SIGNAL 0x00000400L /* signal was received */ 141#define EV_SIGNAL 0x00000400 /* signal was received */
106#define EV_CHILD 0x00000800L /* child/pid had status change */ 142#define EV_CHILD 0x00000800 /* child/pid had status change */
107#define EV_STAT 0x00001000L /* stat data changed */ 143#define EV_STAT 0x00001000 /* stat data changed */
108#define EV_IDLE 0x00002000L /* event loop is idling */ 144#define EV_IDLE 0x00002000 /* event loop is idling */
109#define EV_PREPARE 0x00004000L /* event loop about to poll */ 145#define EV_PREPARE 0x00004000 /* event loop about to poll */
110#define EV_CHECK 0x00008000L /* event loop finished poll */ 146#define EV_CHECK 0x00008000 /* event loop finished poll */
111#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */ 147#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */
112#define EV_FORK 0x00020000L /* event loop resumed in child */ 148#define EV_FORK 0x00020000 /* event loop resumed in child */
149#define EV_ASYNC 0x00040000 /* async intra-loop signal */
150#define EV_CUSTOM 0x01000000 /* for use by user code */
113#define EV_ERROR 0x80000000L /* sent when an error occurs */ 151#define EV_ERROR 0x80000000 /* sent when an error occurs */
114 152
115/* can be used to add custom fields to all watchers, while losing binary compatibility */ 153/* can be used to add custom fields to all watchers, while losing binary compatibility */
116#ifndef EV_COMMON 154#ifndef EV_COMMON
117# define EV_COMMON void *data; 155# define EV_COMMON void *data;
118#endif 156#endif
119#ifndef EV_PROTOTYPES 157#ifndef EV_PROTOTYPES
120# define EV_PROTOTYPES 1 158# define EV_PROTOTYPES 1
121#endif 159#endif
122 160
123#define EV_VERSION_MAJOR 2 161#define EV_VERSION_MAJOR 3
124#define EV_VERSION_MINOR 0 162#define EV_VERSION_MINOR 0
125 163
126#ifndef EV_CB_DECLARE 164#ifndef EV_CB_DECLARE
127# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); 165# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
128#endif 166#endif
… …
130# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) 168# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
131#endif 169#endif
132 170
133/* 171/*
134 * struct member types: 172 * struct member types:
135 * private: you can look at them, but not change them, and they might not mean anything to you. 173 * private: you may look at them, but not change them,
174 * and they might not mean anything to you.
136 * ro: can be read anytime, but only changed when the watcher isn't active 175 * 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 176 * rw: can be read and modified anytime, even when the watcher is active.
177 *
178 * some internal details that might be helpful for debugging:
179 *
180 * active is either 0, which means the watcher is not active,
181 * or the array index of the watcher (periodics, timers)
182 * or the array index + 1 (most other watchers)
183 * or simply 1 for watchers that aren't in some array.
184 * pending is either 0, in which case the watcher isn't,
185 * or the array index + 1 in the pendings array.
138 */ 186 */
139 187
140/* shared by all watchers */ 188/* shared by all watchers */
141#define EV_WATCHER(type) \ 189#define EV_WATCHER(type) \
142 int active; /* private */ \ 190 int active; /* private */ \
… …
215/* does not support priorities */ 263/* does not support priorities */
216typedef struct ev_child 264typedef struct ev_child
217{ 265{
218 EV_WATCHER_LIST (ev_child) 266 EV_WATCHER_LIST (ev_child)
219 267
268 int flags; /* private */
220 int pid; /* ro */ 269 int pid; /* ro */
221 int rpid; /* rw, holds the received pid */ 270 int rpid; /* rw, holds the received pid */
222 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ 271 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
223} ev_child; 272} ev_child;
224 273
… …
290 ev_prepare prepare; /* private */ 339 ev_prepare prepare; /* private */
291 ev_check check; /* unused */ 340 ev_check check; /* unused */
292 ev_timer timer; /* unused */ 341 ev_timer timer; /* unused */
293 ev_periodic periodic; /* unused */ 342 ev_periodic periodic; /* unused */
294 ev_idle idle; /* unused */ 343 ev_idle idle; /* unused */
295 ev_fork fork; /* unused */ 344 ev_fork fork; /* private */
296} ev_embed; 345} ev_embed;
346#endif
347
348#if EV_ASYNC_ENABLE
349/* invoked when somebody calls ev_async_send on the watcher */
350/* revent EV_ASYNC */
351typedef struct ev_async
352{
353 EV_WATCHER (ev_async)
354
355 EV_ATOMIC_T sent; /* private */
356} ev_async;
357
358# define ev_async_pending(w) ((w)->sent + 0)
297#endif 359#endif
298 360
299/* the presence of this union forces similar struct layout */ 361/* the presence of this union forces similar struct layout */
300union ev_any_watcher 362union ev_any_watcher
301{ 363{
… …
319 struct ev_fork fork; 381 struct ev_fork fork;
320#endif 382#endif
321#if EV_EMBED_ENABLE 383#if EV_EMBED_ENABLE
322 struct ev_embed embed; 384 struct ev_embed embed;
323#endif 385#endif
386#if EV_ASYNC_ENABLE
387 struct ev_async async;
388#endif
324}; 389};
325 390
326/* bits for ev_default_loop and ev_loop_new */ 391/* bits for ev_default_loop and ev_loop_new */
327/* the default */ 392/* the default */
328#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ 393#define EVFLAG_AUTO 0x00000000U /* not quite a mask */
329/* flag bits */ 394/* flag bits */
330#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ 395#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */
331#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */ 396#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */
332/* method bits to be ored together */ 397/* method bits to be ored together */
333#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ 398#define EVBACKEND_SELECT 0x00000001U /* about anywhere */
334#define EVBACKEND_POLL 0x00000002UL /* !win */ 399#define EVBACKEND_POLL 0x00000002U /* !win */
335#define EVBACKEND_EPOLL 0x00000004UL /* linux */ 400#define EVBACKEND_EPOLL 0x00000004U /* linux */
336#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ 401#define EVBACKEND_KQUEUE 0x00000008U /* bsd */
337#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */ 402#define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 */ /* NYI */
338#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */ 403#define EVBACKEND_PORT 0x00000020U /* solaris 10 */
339 404
340#if EV_PROTOTYPES 405#if EV_PROTOTYPES
341int ev_version_major (void); 406int ev_version_major (void);
342int ev_version_minor (void); 407int ev_version_minor (void);
343 408
… …
360 * retryable syscall error 425 * retryable syscall error
361 * (such as failed select, poll, epoll_wait) 426 * (such as failed select, poll, epoll_wait)
362 */ 427 */
363void ev_set_syserr_cb (void (*cb)(const char *msg)); 428void ev_set_syserr_cb (void (*cb)(const char *msg));
364 429
365# if EV_MULTIPLICITY 430#if EV_MULTIPLICITY
431EV_INLINE struct ev_loop *
432ev_default_loop_uc (void)
433{
434 extern struct ev_loop *ev_default_loop_ptr;
435
436 return ev_default_loop_ptr;
437}
438
366/* the default loop is the only one that handles signals and child watchers */ 439/* the default loop is the only one that handles signals and child watchers */
367/* you can call this as often as you like */ 440/* you can call this as often as you like */
368static struct ev_loop * 441EV_INLINE struct ev_loop *
369ev_default_loop (unsigned int flags) 442ev_default_loop (unsigned int flags)
370{ 443{
371 extern struct ev_loop *ev_default_loop_ptr; 444 struct ev_loop *loop = ev_default_loop_uc ();
445
446 if (!loop)
447 {
372 extern struct ev_loop *ev_default_loop_init (unsigned int flags); 448 extern struct ev_loop *ev_default_loop_init (unsigned int flags);
373 449
374 if (!ev_default_loop_ptr)
375 ev_default_loop_init (flags); 450 loop = ev_default_loop_init (flags);
451 }
376 452
377 return ev_default_loop_ptr; 453 return loop;
378} 454}
379 455
380/* create and destroy alternative loops that don't handle signals */ 456/* create and destroy alternative loops that don't handle signals */
381struct ev_loop *ev_loop_new (unsigned int flags); 457struct ev_loop *ev_loop_new (unsigned int flags);
382void ev_loop_destroy (EV_P); 458void ev_loop_destroy (EV_P);
383void ev_loop_fork (EV_P); 459void ev_loop_fork (EV_P);
460void ev_loop_verify (EV_P);
384 461
385ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ 462ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
463void ev_now_update (EV_P);
386 464
387# else 465#else
388 466
389int ev_default_loop (unsigned int flags); /* returns true when successful */ 467int ev_default_loop (unsigned int flags); /* returns true when successful */
390 468
391static ev_tstamp 469EV_INLINE ev_tstamp
392ev_now (void) 470ev_now (void)
393{ 471{
394 extern ev_tstamp ev_rt_now; 472 extern ev_tstamp ev_rt_now;
395 473
396 return ev_rt_now; 474 return ev_rt_now;
397} 475}
476#endif /* multiplicity */
477
478EV_INLINE int
479ev_is_default_loop (EV_P)
480{
481#if EV_MULTIPLICITY
482 extern struct ev_loop *ev_default_loop_ptr;
483
484 return !!(EV_A == ev_default_loop_ptr);
485#else
486 return 1;
398# endif 487#endif
488}
399 489
400void ev_default_destroy (void); /* destroy the default loop */ 490void ev_default_destroy (void); /* destroy the default loop */
401/* this needs to be called after fork, to duplicate the default loop */ 491/* this needs to be called after fork, to duplicate the default loop */
402/* if you create alternative loops you have to call ev_loop_fork on them */ 492/* if you create alternative loops you have to call ev_loop_fork on them */
403/* you can call it in either the parent or the child */ 493/* you can call it in either the parent or the child */
404/* you can actually call it at any time, anywhere :) */ 494/* you can actually call it at any time, anywhere :) */
405void ev_default_fork (void); 495void ev_default_fork (void);
406 496
497#if 0
498/* walk (almost) all watchers in the loop of a given type, invoking the */
499/* callback on every such watcher. The callback might stop the watcher, */
500/* but do nothing else with the loop */
501void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w));
502#endif
503
407unsigned int ev_backend (EV_P); /* backend in use by loop */ 504unsigned int ev_backend (EV_P); /* backend in use by loop */
408unsigned int ev_loop_count (EV_P); /* number of loop iterations */ 505unsigned int ev_loop_count (EV_P); /* number of loop iterations */
409#endif 506#endif /* prototypes */
410 507
411#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 508#define EVLOOP_NONBLOCK 1 /* do not block/wait */
412#define EVLOOP_ONESHOT 2 /* block *once* only */ 509#define EVLOOP_ONESHOT 2 /* block *once* only */
413#define EVUNLOOP_CANCEL 0 /* undo unloop */ 510#define EVUNLOOP_CANCEL 0 /* undo unloop */
414#define EVUNLOOP_ONE 1 /* unloop once */ 511#define EVUNLOOP_ONE 1 /* unloop once */
… …
427 * should not keep ev_loop from running, unref() after starting, and ref() before stopping. 524 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
428 */ 525 */
429void ev_ref (EV_P); 526void ev_ref (EV_P);
430void ev_unref (EV_P); 527void ev_unref (EV_P);
431 528
432/* convinience function, wait for a single event, without registering an event watcher */ 529/* convenience function, wait for a single event, without registering an event watcher */
433/* if timeout is < 0, do wait indefinitely */ 530/* if timeout is < 0, do wait indefinitely */
434void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 531void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
435#endif 532#endif
436 533
437/* these may evaluate ev multiple times, and the other arguments at most once */ 534/* these may evaluate ev multiple times, and the other arguments at most once */
… …
441 ((ev_watcher *)(void *)(ev))->pending = \ 538 ((ev_watcher *)(void *)(ev))->pending = \
442 ((ev_watcher *)(void *)(ev))->priority = 0; \ 539 ((ev_watcher *)(void *)(ev))->priority = 0; \
443 ev_set_cb ((ev), cb_); \ 540 ev_set_cb ((ev), cb_); \
444} while (0) 541} while (0)
445 542
446#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0) 543#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0)
447#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 544#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
448#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) 545#define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0)
449#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 546#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
450#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) 547#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
451#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) 548#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
452#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 549#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
453#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 550#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
454#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 551#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
455#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) 552#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
456#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ 553#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
554#define ev_async_set(ev) do { (ev)->sent = 0; } while (0)
457 555
458#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 556#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
459#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 557#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
460#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) 558#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
461#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) 559#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
462#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) 560#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
463#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0) 561#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
464#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) 562#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
465#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) 563#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
466#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) 564#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
467#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) 565#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
468#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) 566#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
567#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
469 568
470#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 569#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
471#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 570#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
472 571
473#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0) 572#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
474#define ev_cb(ev) (ev)->cb /* rw */ 573#define ev_cb(ev) (ev)->cb /* rw */
475#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri) 574#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri)
575
576#define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.)
476 577
477#ifndef ev_set_cb 578#ifndef ev_set_cb
478# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 579# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
479#endif 580#endif
480 581
481/* stopping (enabling, adding) a watcher does nothing if it is already running */ 582/* stopping (enabling, adding) a watcher does nothing if it is already running */
482/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 583/* stopping (disabling, deleting) a watcher does nothing unless its already running */
483#if EV_PROTOTYPES 584#if EV_PROTOTYPES
… …
539void ev_embed_start (EV_P_ ev_embed *w); 640void ev_embed_start (EV_P_ ev_embed *w);
540void ev_embed_stop (EV_P_ ev_embed *w); 641void ev_embed_stop (EV_P_ ev_embed *w);
541void ev_embed_sweep (EV_P_ ev_embed *w); 642void ev_embed_sweep (EV_P_ ev_embed *w);
542# endif 643# endif
543 644
645# if EV_ASYNC_ENABLE
646void ev_async_start (EV_P_ ev_async *w);
647void ev_async_stop (EV_P_ ev_async *w);
648void ev_async_send (EV_P_ ev_async *w);
649# endif
650
544#endif 651#endif
545 652
546#ifdef __cplusplus 653#ifdef __cplusplus
547} 654}
548#endif 655#endif

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