libkern/libkern/OSTypes.h

   1 /*
   2  * Copyright (c) 1999-2012 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 #if !defined(KERNEL)
  30 #include <MacTypes.h>
  31 #endif  /* !KERNEL */
  32
  33 #ifndef _OS_OSTYPES_H
  34 #define _OS_OSTYPES_H
  35
  36 #define OSTYPES_K64_REV         2
  37
  38 typedef unsigned int       UInt;
  39 typedef signed int         SInt;
  40
  41 #if defined(KERNEL)
  42
  43 typedef unsigned char      UInt8;
  44 typedef unsigned short     UInt16;
  45 #if __LP64__
  46 typedef unsigned int       UInt32;
  47 #else
  48 typedef unsigned long      UInt32;
  49 #endif
  50 typedef unsigned long long UInt64;
  51 #if             defined(__BIG_ENDIAN__)
  52 typedef struct UnsignedWide {
  53                         UInt32          hi;
  54                         UInt32          lo;
  55 }                                                       UnsignedWide __attribute__((deprecated));
  56 #elif           defined(__LITTLE_ENDIAN__)
  57 typedef struct UnsignedWide {
  58                         UInt32          lo;
  59                         UInt32          hi;
  60 }                                                       UnsignedWide __attribute__((deprecated));
  61 #else
  62 #error Unknown endianess.
  63 #endif
  64
  65 typedef signed char        SInt8;
  66 typedef signed short       SInt16;
  67 #if __LP64__
  68 typedef signed int         SInt32;
  69 #else
  70 typedef signed long        SInt32;
  71 #endif
  72 typedef signed long long   SInt64;
  73
  74 typedef SInt32                          OSStatus;
  75
  76 #ifndef ABSOLUTETIME_SCALAR_TYPE
  77 #define ABSOLUTETIME_SCALAR_TYPE    1
  78 #endif
  79 typedef UInt64          AbsoluteTime;
  80
  81 typedef UInt32                          OptionBits __attribute__((deprecated));
  82
  83 #if defined(__LP64__)
  84 /*
  85  * Use intrinsic boolean types for the LP64 kernel, otherwise maintain
  86  * source and binary backward compatibility.  This attempts to resolve
  87  * the "(x == true)" vs. "(x)" conditional issue.
  88  */
  89 #ifdef __cplusplus
  90 typedef bool Boolean;
  91 #else   /* !__cplusplus */
  92 #if defined(__STDC_VERSION__) && ((__STDC_VERSION__ - 199901L) > 0L)
  93 /* only use this if we are sure we are using a c99 compiler */
  94 typedef _Bool Boolean;
  95 #else   /* !c99 */
  96 /* Fall back to previous definition unless c99 */
  97 typedef unsigned char Boolean;
  98 #endif  /* !c99 */
  99 #endif  /* !__cplusplus */
 100 #else   /* !__LP64__ */
 101 typedef unsigned char Boolean;
 102 #endif  /* !__LP64__ */
 103
 104 #endif  /* KERNEL */
 105
 106 #include <sys/_types/_os_inline.h>
 107
 108 #endif /* _OS_OSTYPES_H */