include/linux/types.h

   1 #ifndef _LINUX_TYPES_H
   2 #define _LINUX_TYPES_H
   3
   4 #ifdef  __KERNEL__
   5 #include <linux/config.h>
   6 #endif
   7
   8 #include <linux/posix_types.h>
   9 #include <asm/types.h>
  10 #include <stdbool.h>
  11
  12 #ifndef __KERNEL_STRICT_NAMES
  13
  14 typedef __kernel_fd_set         fd_set;
  15 typedef __kernel_dev_t          dev_t;
  16 typedef __kernel_ino_t          ino_t;
  17 typedef __kernel_mode_t         mode_t;
  18 typedef __kernel_nlink_t        nlink_t;
  19 typedef __kernel_off_t          off_t;
  20 typedef __kernel_pid_t          pid_t;
  21 typedef __kernel_daddr_t        daddr_t;
  22 typedef __kernel_key_t          key_t;
  23 typedef __kernel_suseconds_t    suseconds_t;
  24
  25 #ifdef __KERNEL__
  26 typedef __kernel_uid32_t        uid_t;
  27 typedef __kernel_gid32_t        gid_t;
  28 typedef __kernel_uid16_t        uid16_t;
  29 typedef __kernel_gid16_t        gid16_t;
  30
  31 #ifdef CONFIG_UID16
  32 /* This is defined by include/asm-{arch}/posix_types.h */
  33 typedef __kernel_old_uid_t      old_uid_t;
  34 typedef __kernel_old_gid_t      old_gid_t;
  35 #endif /* CONFIG_UID16 */
  36
  37 /* libc5 includes this file to define uid_t, thus uid_t can never change
  38  * when it is included by non-kernel code
  39  */
  40 #else
  41 typedef __kernel_uid_t          uid_t;
  42 typedef __kernel_gid_t          gid_t;
  43 #endif /* __KERNEL__ */
  44
  45 #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
  46 typedef __kernel_loff_t         loff_t;
  47 #endif
  48
  49 /*
  50  * The following typedefs are also protected by individual ifdefs for
  51  * historical reasons:
  52  */
  53 #ifndef _SIZE_T
  54 #define _SIZE_T
  55 typedef __kernel_size_t         size_t;
  56 #endif
  57
  58 #ifndef _SSIZE_T
  59 #define _SSIZE_T
  60 typedef __kernel_ssize_t        ssize_t;
  61 #endif
  62
  63 #ifndef _PTRDIFF_T
  64 #define _PTRDIFF_T
  65 typedef __kernel_ptrdiff_t      ptrdiff_t;
  66 #endif
  67
  68 #ifndef _TIME_T
  69 #define _TIME_T
  70 typedef __kernel_time_t         time_t;
  71 #endif
  72
  73 #ifndef _CLOCK_T
  74 #define _CLOCK_T
  75 typedef __kernel_clock_t        clock_t;
  76 #endif
  77
  78 #ifndef _CADDR_T
  79 #define _CADDR_T
  80 typedef __kernel_caddr_t        caddr_t;
  81 #endif
  82
  83 /* bsd */
  84 typedef unsigned char           u_char;
  85 typedef unsigned short          u_short;
  86 typedef unsigned int            u_int;
  87 typedef unsigned long           u_long;
  88
  89 /* sysv */
  90 typedef unsigned char           unchar;
  91 typedef unsigned short          ushort;
  92 typedef unsigned int            uint;
  93 typedef unsigned long           ulong;
  94
  95 #ifndef __BIT_TYPES_DEFINED__
  96 #define __BIT_TYPES_DEFINED__
  97
  98 typedef         __u8            u_int8_t;
  99 typedef         __s8            int8_t;
 100 typedef         __u16           u_int16_t;
 101 typedef         __s16           int16_t;
 102 typedef         __u32           u_int32_t;
 103 typedef         __s32           int32_t;
 104
 105 #endif /* !(__BIT_TYPES_DEFINED__) */
 106
 107 typedef         __u8            uint8_t;
 108 typedef         __u16           uint16_t;
 109 typedef         __u32           uint32_t;
 110
 111 #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
 112 typedef         __u64           uint64_t;
 113 typedef         __u64           u_int64_t;
 114 typedef         __s64           int64_t;
 115 #endif
 116
 117 #endif /* __KERNEL_STRICT_NAMES */
 118
 119 /*
 120  * Below are truly Linux-specific types that should never collide with
 121  * any application/library that wants linux/types.h.
 122  */
 123 #ifdef __CHECKER__
 124 #define __bitwise__ __attribute__((bitwise))
 125 #else
 126 #define __bitwise__
 127 #endif
 128 #ifdef __CHECK_ENDIAN__
 129 #define __bitwise __bitwise__
 130 #else
 131 #define __bitwise
 132 #endif
 133
 134 typedef __u16 __bitwise __le16;
 135 typedef __u16 __bitwise __be16;
 136 typedef __u32 __bitwise __le32;
 137 typedef __u32 __bitwise __be32;
 138 #if defined(__GNUC__)
 139 typedef __u64 __bitwise __le64;
 140 typedef __u64 __bitwise __be64;
 141 #endif
 142 typedef __u16 __bitwise __sum16;
 143 typedef __u32 __bitwise __wsum;
 144
 145
 146 typedef unsigned __bitwise__    gfp_t;
 147
 148 struct ustat {
 149         __kernel_daddr_t        f_tfree;
 150         __kernel_ino_t          f_tinode;
 151         char                    f_fname[6];
 152         char                    f_fpack[6];
 153 };
 154
 155 #endif /* _LINUX_TYPES_H */