1/*
2 * Copyright (c) 2001-2005 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29#ifndef _MACH_MACH_TIME_H_
30#define _MACH_MACH_TIME_H_
31
32#include <mach/mach_types.h>
33#include <sys/cdefs.h>
34#include <Availability.h>
35
36struct mach_timebase_info {
37 uint32_t numer;
38 uint32_t denom;
39};
40
41typedef struct mach_timebase_info *mach_timebase_info_t;
42typedef struct mach_timebase_info mach_timebase_info_data_t;
43
44__BEGIN_DECLS
45#ifndef KERNEL
46
47kern_return_t mach_timebase_info(
48 mach_timebase_info_t info);
49
50kern_return_t mach_wait_until(
51 uint64_t deadline);
52
53#endif /* KERNEL */
54
55uint64_t mach_absolute_time(void);
56
57__OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0)
58uint64_t mach_approximate_time(void);
59
60/*
61 * like mach_absolute_time, but advances during sleep
62 */
63__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0)
64uint64_t mach_continuous_time(void);
65
66/*
67 * like mach_approximate_time, but advances during sleep
68 */
69__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0)
70uint64_t mach_continuous_approximate_time(void);
71
72__END_DECLS
73
74#ifdef PRIVATE
75#include <mach/mach_time_private.h>
76#endif
77
78#endif /* _MACH_MACH_TIME_H_ */
79