osfmk/mach/mach_time.h

   1 /*
   2  * Copyright (c) 2001 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  * Copyright (c) 2001 Apple Computer, Inc.  All rights reserved.
  24  *
  25  * HISTORY
  26  *
  27  * 30 January 2001 (debo)
  28  *  Created.
  29  */
  30
  31 #ifndef _MACH_MACH_TIME_H_
  32 #define _MACH_MACH_TIME_H_
  33
  34 #include <mach/mach_types.h>
  35
  36 uint64_t                        mach_absolute_time(void);
  37
  38 kern_return_t           mach_wait_until(
  39                                                 uint64_t                deadline);
  40
  41 struct mach_timebase_info {
  42         uint32_t        numer;
  43         uint32_t        denom;
  44 };
  45
  46 typedef struct mach_timebase_info       *mach_timebase_info_t;
  47 typedef struct mach_timebase_info       mach_timebase_info_data_t;
  48
  49 kern_return_t           mach_timebase_info(
  50                                                 mach_timebase_info_t    info);
  51
  52 #endif /* _MACH_MACH_TIME_H_ */