include/linux/types.h

   1 #ifndef _LINUX_TYPES_H
   2 #define _LINUX_TYPES_H
   3
   4 #include <linux/posix_types.h>
   5 #include <asm/types.h>
   6 #include <stdbool.h>
   7
   8 #ifndef __KERNEL_STRICT_NAMES
   9
  10 typedef __kernel_fd_set         fd_set;
  11 typedef __kernel_dev_t          dev_t;
  12 typedef __kernel_ino_t          ino_t;
  13 typedef __kernel_mode_t         mode_t;
  14 typedef __kernel_nlink_t        nlink_t;
  15 typedef __kernel_off_t          off_t;
  16 typedef __kernel_pid_t          pid_t;
  17 typedef __kernel_daddr_t        daddr_t;
  18 typedef __kernel_key_t          key_t;
  19 typedef __kernel_suseconds_t    suseconds_t;
  20
  21 #ifdef __KERNEL__
  22 typedef __kernel_uid32_t        uid_t;
  23 typedef __kernel_gid32_t        gid_t;
  24 typedef __kernel_uid16_t        uid16_t;
  25 typedef __kernel_gid16_t        gid16_t;
  26
  27 #ifdef CONFIG_UID16
  28 /* This is defined by include/asm-{arch}/posix_types.h */
  29 typedef __kernel_old_uid_t      old_uid_t;
  30 typedef __kernel_old_gid_t      old_gid_t;
  31 #endif /* CONFIG_UID16 */
  32
  33 /* libc5 includes this file to define uid_t, thus uid_t can never change
  34  * when it is included by non-kernel code
  35  */
  36 #else
  37 typedef __kernel_uid_t          uid_t;
  38 typedef __kernel_gid_t          gid_t;
  39 #endif /* __KERNEL__ */
  40
  41 #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
  42 typedef __kernel_loff_t         loff_t;
  43 #endif
  44
  45 /*
  46  * The following typedefs are also protected by individual ifdefs for
  47  * historical reasons:
  48  */
  49 #ifndef _SIZE_T
  50 #define _SIZE_T
  51 typedef __kernel_size_t         size_t;
  52 #endif
  53
  54 #ifndef _SSIZE_T
  55 #define _SSIZE_T
  56 typedef __kernel_ssize_t        ssize_t;
  57 #endif
  58
  59 #ifndef _PTRDIFF_T
  60 #define _PTRDIFF_T
  61 typedef __kernel_ptrdiff_t      ptrdiff_t;
  62 #endif
  63
  64 #ifndef _TIME_T
  65 #define _TIME_T
  66 typedef __kernel_time_t         time_t;
  67 #endif
  68
  69 #ifndef _CLOCK_T
  70 #define _CLOCK_T
  71 typedef __kernel_clock_t        clock_t;
  72 #endif
  73
  74 #ifndef _CADDR_T
  75 #define _CADDR_T
  76 typedef __kernel_caddr_t        caddr_t;
  77 #endif
  78
  79 /* bsd */
  80 typedef unsigned char           u_char;
  81 typedef unsigned short          u_short;
  82 typedef unsigned int            u_int;
  83 typedef unsigned long           u_long;
  84
  85 /* sysv */
  86 typedef unsigned char           unchar;
  87 typedef unsigned short          ushort;
  88 typedef unsigned int            uint;
  89 typedef unsigned long           ulong;
  90
  91 #ifndef __BIT_TYPES_DEFINED__
  92 #define __BIT_TYPES_DEFINED__
  93
  94 typedef         __u8            u_int8_t;
  95 typedef         __s8            int8_t;
  96 typedef         __u16           u_int16_t;
  97 typedef         __s16           int16_t;
  98 typedef         __u32           u_int32_t;
  99 typedef         __s32           int32_t;
 100
 101 #endif /* !(__BIT_TYPES_DEFINED__) */
 102
 103 typedef         __u8            uint8_t;
 104 typedef         __u16           uint16_t;
 105 typedef         __u32           uint32_t;
 106
 107 #if defined(__GNUC__) && !defined(__STRICT_ANSI__) && \
 108         (!defined(CONFIG_USE_STDINT) || !defined(__INT64_TYPE__))
 109 typedef         __u64           uint64_t;
 110 typedef         __u64           u_int64_t;
 111 typedef         __s64           int64_t;
 112 #endif
 113
 114 #endif /* __KERNEL_STRICT_NAMES */
 115
 116 /* this is a special 64bit data type that is 8-byte aligned */
 117 #define aligned_u64 __u64 __aligned(8)
 118 #define aligned_be64 __be64 __aligned(8)
 119 #define aligned_le64 __le64 __aligned(8)
 120
 121 #if defined(CONFIG_USE_STDINT) && defined(__INT64_TYPE__)
 122 typedef         __UINT64_TYPE__ uint64_t;
 123 typedef         __UINT64_TYPE__ u_int64_t;
 124 typedef         __INT64_TYPE__          int64_t;
 125 #endif
 126
 127 /*
 128  * Below are truly Linux-specific types that should never collide with
 129  * any application/library that wants linux/types.h.
 130  */
 131 #ifdef __CHECKER__
 132 #define __bitwise__ __attribute__((bitwise))
 133 #else
 134 #define __bitwise__
 135 #endif
 136 #ifdef __CHECK_ENDIAN__
 137 #define __bitwise __bitwise__
 138 #else
 139 #define __bitwise
 140 #endif
 141
 142 typedef __u16 __bitwise __le16;
 143 typedef __u16 __bitwise __be16;
 144 typedef __u32 __bitwise __le32;
 145 typedef __u32 __bitwise __be32;
 146 #if defined(__GNUC__)
 147 typedef __u64 __bitwise __le64;
 148 typedef __u64 __bitwise __be64;
 149 #endif
 150 typedef __u16 __bitwise __sum16;
 151 typedef __u32 __bitwise __wsum;
 152
 153 typedef unsigned __bitwise__    gfp_t;
 154
 155 struct ustat {
 156         __kernel_daddr_t        f_tfree;
 157         __kernel_ino_t          f_tinode;
 158         char                    f_fname[6];
 159         char                    f_fpack[6];
 160 };
 161
 162 #endif /* _LINUX_TYPES_H */