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
34#include <sys/cdefs.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);
56uint64_t			mach_approximate_time(void);
57__END_DECLS
58
59#endif /* _MACH_MACH_TIME_H_ */
60