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Comparing libev/ev.h (file contents):
Revision 1.5 by root, Wed Oct 31 07:24:17 2007 UTC vs.
Revision 1.69 by root, Mon Nov 26 19:49:36 2007 UTC

1/*
2 * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * * Redistributions in binary form must reproduce the above
13 * copyright notice, this list of conditions and the following
14 * disclaimer in the documentation and/or other materials provided
15 * with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 */
29
1#ifndef EV_H 30#ifndef EV_H__
2#define EV_H 31#define EV_H__
32
33#ifdef __cplusplus
34extern "C" {
35#endif
3 36
4typedef double ev_tstamp; 37typedef double ev_tstamp;
5 38
39/* these priorities are inclusive, higher priorities will be called earlier */
40#ifndef EV_MINPRI
41# define EV_MINPRI -2
42#endif
43#ifndef EV_MAXPRI
44# define EV_MAXPRI +2
45#endif
46
47#ifndef EV_MULTIPLICITY
48# define EV_MULTIPLICITY 1
49#endif
50
51#ifndef EV_PERIODIC_ENABLE
52# define EV_PERIODIC_ENABLE 1
53#endif
54
55#ifndef EV_STAT_ENABLE
56# define EV_STAT_ENABLE 1
57#endif
58
59#ifndef EV_EMBED_ENABLE
60# define EV_EMBED_ENABLE 1
61#endif
62
63/*****************************************************************************/
64
65#if EV_STAT_ENABLE
66# include <sys/stat.h>
67#endif
68
69/* support multiple event loops? */
70#if EV_MULTIPLICITY
71struct ev_loop;
72# define EV_P struct ev_loop *loop
73# define EV_P_ EV_P,
74# define EV_A loop
75# define EV_A_ EV_A,
76# define EV_DEFAULT_A ev_default_loop (0)
77# define EV_DEFAULT_A_ EV_DEFAULT_A,
78#else
79# define EV_P void
80# define EV_P_
81# define EV_A
82# define EV_A_
83# define EV_DEFAULT_A
84# define EV_DEFAULT_A_
85
86# undef EV_EMBED_ENABLE
87#endif
88
6/* eventmask, revents, events... */ 89/* eventmask, revents, events... */
7#define EV_UNDEF -1 /* guaranteed to be invalid */ 90#define EV_UNDEF -1L /* guaranteed to be invalid */
8#define EV_NONE 0x00 91#define EV_NONE 0x00L /* no events */
9#define EV_READ 0x01 92#define EV_READ 0x01L /* ev_io detected read will not block */
10#define EV_WRITE 0x02 93#define EV_WRITE 0x02L /* ev_io detected write will not block */
11#define EV_TIMEOUT 0x04 94#define EV_TIMEOUT 0x00000100L /* timer timed out */
12#define EV_SIGNAL 0x08 95#define EV_PERIODIC 0x00000200L /* periodic timer timed out */
13#define EV_IDLE 0x10 96#define EV_SIGNAL 0x00000400L /* signal was received */
14#define EV_CHECK 0x20 97#define EV_IDLE 0x00000800L /* event loop is idling */
98#define EV_PREPARE 0x00001000L /* event loop about to poll */
99#define EV_CHECK 0x00002000L /* event loop finished poll */
100#define EV_CHILD 0x00004000L /* child/pid had status change */
101#define EV_EMBED 0x00008000L /* embedded event loop needs sweep */
102#define EV_STAT 0x00010000L /* stat data changed */
103#define EV_ERROR 0x80000000L /* sent when an error occurs */
104
105/* can be used to add custom fields to all watchers, while losing binary compatibility */
106#ifndef EV_COMMON
107# define EV_COMMON void *data;
108#endif
109#ifndef EV_PROTOTYPES
110# define EV_PROTOTYPES 1
111#endif
112
113#define EV_VERSION_MAJOR 1
114#define EV_VERSION_MINOR 1
115
116#ifndef EV_CB_DECLARE
117# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
118#endif
119#ifndef EV_CB_INVOKE
120# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
121#endif
122
123/*
124 * struct member types:
125 * private: you can look at them, but not change them, and they might not mean anything to you.
126 * ro: can be read anytime, but only changed when the watcher isn't active
127 * rw: can be read and modified anytime, even when the watcher is active
128 */
15 129
16/* shared by all watchers */ 130/* shared by all watchers */
17#define EV_WATCHER(type) \ 131#define EV_WATCHER(type) \
18 int active; /* private */ \ 132 int active; /* private */ \
19 int pending; /* private */ \ 133 int pending; /* private */ \
20 void *data; /* rw */ \ 134 int priority; /* private */ \
21 void (*cb)(struct type *, int revents) /* rw */ /* gets invoked with an eventmask */ 135 EV_COMMON /* rw */ \
136 EV_CB_DECLARE (type) /* private */
22 137
23#define EV_WATCHER_LIST(type) \ 138#define EV_WATCHER_LIST(type) \
24 EV_WATCHER (type); \ 139 EV_WATCHER (type) \
25 struct type *next /* private */ 140 struct ev_watcher_list *next; /* private */
26 141
27/* invoked at a specific time or after a specific time, repeatable */ 142#define EV_WATCHER_TIME(type) \
28struct ev_timer 143 EV_WATCHER (type) \
29{
30 EV_WATCHER_LIST (ev_timer);
31
32 ev_tstamp at; /* private */ 144 ev_tstamp at; /* private */
145
146/* base class, nothing to see here unless you subclass */
147typedef struct ev_watcher
148{
149 EV_WATCHER (ev_watcher)
150} ev_watcher;
151
152/* base class, nothing to see here unless you subclass */
153typedef struct ev_watcher_list
154{
155 EV_WATCHER_LIST (ev_watcher_list)
156} ev_watcher_list;
157
158/* base class, nothing to see here unless you subclass */
159typedef struct ev_watcher_time
160{
161 EV_WATCHER_TIME (ev_watcher_time)
162} ev_watcher_time;
163
164/* invoked after a specific time, repeatable (based on monotonic clock) */
165/* revent EV_TIMEOUT */
166typedef struct ev_timer
167{
168 EV_WATCHER_TIME (ev_timer)
169
33 ev_tstamp repeat; /* rw */ 170 ev_tstamp repeat; /* rw */
34 unsigned char is_abs; /* ro */ 171} ev_timer;
35}; 172
173/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */
174/* revent EV_PERIODIC */
175typedef struct ev_periodic
176{
177 EV_WATCHER_TIME (ev_periodic)
178
179 ev_tstamp interval; /* rw */
180 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */
181} ev_periodic;
36 182
37/* invoked when fd is either EV_READable or EV_WRITEable */ 183/* invoked when fd is either EV_READable or EV_WRITEable */
184/* revent EV_READ, EV_WRITE */
38struct ev_io 185typedef struct ev_io
39{ 186{
40 EV_WATCHER_LIST (ev_io); 187 EV_WATCHER_LIST (ev_io)
41 188
42 int fd; /* ro */ 189 int fd; /* ro */
43 int events; /* ro */ 190 int events; /* ro */
191} ev_io;
192
193/* invoked when the given signal has been received */
194/* revent EV_SIGNAL */
195typedef struct ev_signal
196{
197 EV_WATCHER_LIST (ev_signal)
198
199 int signum; /* ro */
200} ev_signal;
201
202/* invoked when the nothing else needs to be done, keeps the process from blocking */
203/* revent EV_IDLE */
204typedef struct ev_idle
205{
206 EV_WATCHER (ev_idle)
207} ev_idle;
208
209/* invoked for each run of the mainloop, just before the blocking call */
210/* you can still change events in any way you like */
211/* revent EV_PREPARE */
212typedef struct ev_prepare
213{
214 EV_WATCHER (ev_prepare)
215} ev_prepare;
216
217/* invoked for each run of the mainloop, just after the blocking call */
218/* revent EV_CHECK */
219typedef struct ev_check
220{
221 EV_WATCHER (ev_check)
222} ev_check;
223
224/* invoked when sigchld is received and waitpid indicates the given pid */
225/* revent EV_CHILD */
226/* does not support priorities */
227typedef struct ev_child
228{
229 EV_WATCHER_LIST (ev_child)
230
231 int pid; /* ro */
232 int rpid; /* rw, holds the received pid */
233 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
234} ev_child;
235
236#if EV_EMBED_ENABLE
237/* used to embed an event loop inside another */
238/* the callback gets invoked when the event loop has handled events, and can be 0 */
239typedef struct ev_embed
240{
241 EV_WATCHER (ev_embed)
242
243 ev_io io; /* private */
244 struct ev_loop *loop; /* ro */
245} ev_embed;
246#endif
247
248#if EV_STAT_ENABLE
249/* st_nlink = 0 means missing file or other error */
250typedef struct stat ev_statdata;
251
252/* invoked each time the stat data changes for a given path */
253/* revent EV_STAT */
254typedef struct ev_stat
255{
256 EV_WATCHER (ev_stat)
257
258 ev_timer timer; /* private */
259 ev_tstamp interval; /* rw */
260 const char *path; /* ro */
261 ev_statdata prev; /* ro */
262 ev_statdata attr; /* ro */
263} ev_stat;
264#endif
265
266/* the presence of this union forces similar struct layout */
267union ev_any_watcher
268{
269 struct ev_watcher w;
270 struct ev_watcher_list wl;
271
272 struct ev_io io;
273 struct ev_timer timer;
274 struct ev_periodic periodic;
275 struct ev_idle idle;
276 struct ev_prepare prepare;
277 struct ev_check check;
278 struct ev_signal signal;
279 struct ev_child child;
280#if EV_EMBED_ENABLE
281 struct ev_embed embed;
282#endif
283#if EV_STAT_ENABLE
284 struct ev_stat stat;
285#endif
44}; 286};
45 287
46/* invoked when the given signal has been received */ 288/* bits for ev_default_loop and ev_loop_new */
47struct ev_signal 289/* the default */
48{ 290#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */
49 EV_WATCHER_LIST (ev_signal); 291/* flag bits */
292#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */
293/* method bits to be ored together */
294#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */
295#define EVBACKEND_POLL 0x00000002UL /* !win */
296#define EVBACKEND_EPOLL 0x00000004UL /* linux */
297#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */
298#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */
299#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */
50 300
51 int signum; /* ro */ 301#if EV_PROTOTYPES
52}; 302int ev_version_major (void);
303int ev_version_minor (void);
53 304
54/* invoked when the nothing else needs to be done, keeps the process from blocking */ 305unsigned int ev_supported_backends (void);
55struct ev_idle 306unsigned int ev_recommended_backends (void);
56{ 307unsigned int ev_embeddable_backends (void);
57 EV_WATCHER (ev_idle);
58};
59 308
60/* invoked for each run of the mainloop, just before the next blocking vall is initiated */
61struct ev_check
62{
63 EV_WATCHER (ev_check);
64};
65
66#define EVMETHOD_NONE 0
67#define EVMETHOD_SELECT 1
68#define EVMETHOD_EPOLL 2
69int ev_init (int flags); /* returns ev_method */
70extern int ev_method;
71
72/* these three calls are suitable for plugging into pthread_atfork */
73void ev_prefork (void);
74void ev_postfork_parent (void);
75void ev_postfork_child (void);
76
77extern ev_tstamp ev_now; /* time w.r.t. timers and the eventloop, updated after each poll */
78ev_tstamp ev_time (void); 309ev_tstamp ev_time (void);
310
311/* Sets the allocation function to use, works like realloc.
312 * It is used to allocate and free memory.
313 * If it returns zero when memory needs to be allocated, the library might abort
314 * or take some potentially destructive action.
315 * The default is your system realloc function.
316 */
317void ev_set_allocator (void *(*cb)(void *ptr, long size));
318
319/* set the callback function to call on a
320 * retryable syscall error
321 * (such as failed select, poll, epoll_wait)
322 */
323void ev_set_syserr_cb (void (*cb)(const char *msg));
324
325# if EV_MULTIPLICITY
326/* the default loop is the only one that handles signals and child watchers */
327/* you can call this as often as you like */
328static struct ev_loop *
329ev_default_loop (unsigned int flags)
330{
331 extern struct ev_loop *ev_default_loop_ptr;
332 extern struct ev_loop *ev_default_loop_init (unsigned int flags);
333
334 if (!ev_default_loop_ptr)
335 ev_default_loop_init (flags);
336
337 return ev_default_loop_ptr;
338}
339
340/* create and destroy alternative loops that don't handle signals */
341struct ev_loop *ev_loop_new (unsigned int flags);
342void ev_loop_destroy (EV_P);
343void ev_loop_fork (EV_P);
344
345ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
346
347# else
348
349int ev_default_loop (unsigned int flags); /* returns true when successful */
350
351static ev_tstamp
352ev_now (void)
353{
354 extern ev_tstamp ev_rt_now;
355
356 return ev_rt_now;
357}
358# endif
359
360void ev_default_destroy (void); /* destroy the default loop */
361/* this needs to be called after fork, to duplicate the default loop */
362/* if you create alternative loops you have to call ev_loop_fork on them */
363/* you can call it in either the parent or the child */
364/* you can actually call it at any time, anywhere :) */
365void ev_default_fork (void);
366
367unsigned int ev_backend (EV_P);
368#endif
79 369
80#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 370#define EVLOOP_NONBLOCK 1 /* do not block/wait */
81#define EVLOOP_ONESHOT 2 /* block *once* only */ 371#define EVLOOP_ONESHOT 2 /* block *once* only */
372#define EVUNLOOP_CANCEL 0 /* undo unloop */
373#define EVUNLOOP_ONE 1 /* unloop once */
374#define EVUNLOOP_ALL 2 /* unloop all loops */
375
376#if EV_PROTOTYPES
82void ev_loop (int flags); 377void ev_loop (EV_P_ int flags);
83extern int ev_loop_done; /* set to 1 to break out of event loop */ 378void 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 */
379
380/*
381 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
382 * keeps one reference. if you have a long-runing watcher you never unregister that
383 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
384 */
385void ev_ref (EV_P);
386void ev_unref (EV_P);
387
388/* convinience function, wait for a single event, without registering an event watcher */
389/* if timeout is < 0, do wait indefinitely */
390void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
391#endif
84 392
85/* these may evaluate ev multiple times, and the other arguments at most once */ 393/* these may evaluate ev multiple times, and the other arguments at most once */
86#define evw_init(ev,cb_,data_) do { (ev)->active = 0; (ev)->cb = (cb_); (ev)->data = (void *)data_; } while (0) 394/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
395#define ev_init(ev,cb_) do { \
396 ((ev_watcher *)(void *)(ev))->active = \
397 ((ev_watcher *)(void *)(ev))->pending = \
398 ((ev_watcher *)(void *)(ev))->priority = 0; \
399 ev_set_cb ((ev), cb_); \
400} while (0)
87 401
88#define evio_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 402#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)
89#define evtimer_set_rel(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); (ev)->is_abs = 0; } while (0) 403#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
90#define evtimer_set_abs(ev,at_,repeat_) do { (ev)->at = (at_); (ev)->repeat = (repeat_); (ev)->is_abs = 1; } while (0) 404#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
91#define evsignal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 405#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
406#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
407#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
408#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
409#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
410#define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0)
411#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); } while (0)
92 412
413#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
414#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
415#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
416#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
417#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
418#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
419#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
420#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
421#define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0)
422#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0)
423
424#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
93#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ 425#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
426
427#define ev_priority(ev) ((ev_watcher *)(void *)(ev))->priority /* rw */
428#define ev_cb(ev) (ev)->cb /* rw */
429#define ev_set_priority(ev,pri) ev_priority (ev) = (pri)
430
431#ifndef ev_set_cb
432# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
433#endif
94 434
95/* stopping (enabling, adding) a watcher does nothing if it is already running */ 435/* stopping (enabling, adding) a watcher does nothing if it is already running */
96/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 436/* stopping (disabling, deleting) a watcher does nothing unless its already running */
437#if EV_PROTOTYPES
438
439/* feeds an event into a watcher as if the event actually occured */
440/* accepts any ev_watcher type */
441void ev_feed_event (EV_P_ void *w, int revents);
442void ev_feed_fd_event (EV_P_ int fd, int revents);
443void ev_feed_signal_event (EV_P_ int signum);
444
97void evio_start (struct ev_io *w); 445void ev_io_start (EV_P_ ev_io *w);
98void evio_stop (struct ev_io *w); 446void ev_io_stop (EV_P_ ev_io *w);
99 447
100void evtimer_start (struct ev_timer *w); 448void ev_timer_start (EV_P_ ev_timer *w);
101void evtimer_stop (struct ev_timer *w); 449void ev_timer_stop (EV_P_ ev_timer *w);
450/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
451void ev_timer_again (EV_P_ ev_timer *w);
102 452
453#if EV_PERIODIC_ENABLE
454void ev_periodic_start (EV_P_ ev_periodic *w);
455void ev_periodic_stop (EV_P_ ev_periodic *w);
456void ev_periodic_again (EV_P_ ev_periodic *w);
457#endif
458
459void ev_idle_start (EV_P_ ev_idle *w);
460void ev_idle_stop (EV_P_ ev_idle *w);
461
462void ev_prepare_start (EV_P_ ev_prepare *w);
463void ev_prepare_stop (EV_P_ ev_prepare *w);
464
465void ev_check_start (EV_P_ ev_check *w);
466void ev_check_stop (EV_P_ ev_check *w);
467
468/* only supported in the default loop */
103void evsignal_start (struct ev_signal *w); 469void ev_signal_start (EV_P_ ev_signal *w);
104void evsignal_stop (struct ev_signal *w); 470void ev_signal_stop (EV_P_ ev_signal *w);
105 471
106void evidle_start (struct ev_idle *w); 472/* only supported in the default loop */
107void evidle_stop (struct ev_idle *w); 473void ev_child_start (EV_P_ ev_child *w);
474void ev_child_stop (EV_P_ ev_child *w);
108 475
109void evcheck_start (struct ev_check *w); 476# if EV_EMBED_ENABLE
110void evcheck_stop (struct ev_check *w); 477/* only supported when loop to be embedded is in fact embeddable */
111 478void ev_embed_start (EV_P_ ev_embed *w);
479void ev_embed_stop (EV_P_ ev_embed *w);
480void ev_embed_sweep (EV_P_ ev_embed *w);
112#endif 481# endif
113 482
483# if EV_STAT_ENABLE
484void ev_stat_start (EV_P_ ev_stat *w);
485void ev_stat_stop (EV_P_ ev_stat *w);
486void ev_stat_stat (EV_P_ ev_stat *w);
487# endif
488
489#endif
490
491#ifdef __cplusplus
492}
493#endif
494
495#endif
496

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