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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
36 struct mach_timebase_info {
37 uint32_t numer;
38 uint32_t denom;
39 };
40
41 typedef struct mach_timebase_info *mach_timebase_info_t;
42 typedef struct mach_timebase_info mach_timebase_info_data_t;
43
44 __BEGIN_DECLS
45 #ifndef KERNEL
46
47 kern_return_t mach_timebase_info(
48 mach_timebase_info_t info);
49
50 kern_return_t mach_wait_until(
51 uint64_t deadline);
52
53 #endif /* KERNEL */
54
55 uint64_t mach_absolute_time(void);
56 uint64_t mach_approximate_time(void);
57 __END_DECLS
58
59 #endif /* _MACH_MACH_TIME_H_ */