osfmk/mach/mach_time.h

   1 /*
   2  * Copyright (c) 2001-2005 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22
  23 #ifndef _MACH_MACH_TIME_H_
  24 #define _MACH_MACH_TIME_H_
  25
  26 #include <mach/mach_types.h>
  27
  28 #include <sys/cdefs.h>
  29
  30 struct mach_timebase_info {
  31         uint32_t        numer;
  32         uint32_t        denom;
  33 };
  34
  35 typedef struct mach_timebase_info       *mach_timebase_info_t;
  36 typedef struct mach_timebase_info       mach_timebase_info_data_t;
  37
  38 __BEGIN_DECLS
  39 #ifndef KERNEL
  40
  41 kern_return_t           mach_timebase_info(
  42                                                 mach_timebase_info_t    info);
  43
  44 kern_return_t           mach_wait_until(
  45                                                 uint64_t                deadline);
  46
  47 #endif  /* KERNEL */
  48
  49 uint64_t                        mach_absolute_time(void);
  50 __END_DECLS
  51
  52 #endif /* _MACH_MACH_TIME_H_ */