blob: 1aa97b40c638508e8f8e037528502e7832adc479 [file] [log] [blame]
Dan Albert287553d2017-02-16 10:47:51 -08001/*
2 * Copyright (C) 2013 The Android Open Source Project
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
7 * are met:
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the
13 * distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#ifndef _SYS_TIMERFD_H_
30#define _SYS_TIMERFD_H_
31
32#include <fcntl.h> /* For O_CLOEXEC and O_NONBLOCK. */
33#include <time.h>
34#include <sys/types.h>
35
36__BEGIN_DECLS
37
38#define TFD_TIMER_ABSTIME (1 << 0)
39#define TFD_TIMER_CANCEL_ON_SET (1 << 1)
40
41#define TFD_CLOEXEC O_CLOEXEC
42#define TFD_NONBLOCK O_NONBLOCK
43
44extern int timerfd_create(clockid_t, int);
45extern int timerfd_settime(int, int, const struct itimerspec*,
46 struct itimerspec*);
47extern int timerfd_gettime(int, struct itimerspec*);
48
49__END_DECLS
50
51#endif /* _SYS_TIMERFD_H */