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 typedef unsigned long           uintptr_t;
  28
  29 #ifdef CONFIG_UID16
  30 /* This is defined by include/asm-{arch}/posix_types.h */
  31 typedef __kernel_old_uid_t      old_uid_t;
  32 typedef __kernel_old_gid_t      old_gid_t;
  33 #endif /* CONFIG_UID16 */
  34
  35 /* libc5 includes this file to define uid_t, thus uid_t can never change
  36  * when it is included by non-kernel code
  37  */
  38 #else
  39 typedef __kernel_uid_t          uid_t;
  40 typedef __kernel_gid_t          gid_t;
  41 #endif /* __KERNEL__ */
  42
  43 #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
  44 typedef __kernel_loff_t         loff_t;
  45 #endif
  46
  47 /*
  48  * The following typedefs are also protected by individual ifdefs for
  49  * historical reasons:
  50  */
  51 #ifndef _SIZE_T
  52 #define _SIZE_T
  53 typedef __kernel_size_t         size_t;
  54 #endif
  55
  56 #ifndef _SSIZE_T
  57 #define _SSIZE_T
  58 typedef __kernel_ssize_t        ssize_t;
  59 #endif
  60
  61 #ifndef _PTRDIFF_T
  62 #define _PTRDIFF_T
  63 typedef __kernel_ptrdiff_t      ptrdiff_t;
  64 #endif
  65
  66 #ifndef _TIME_T
  67 #define _TIME_T
  68 typedef __kernel_time_t         time_t;
  69 #endif
  70
  71 #ifndef _CLOCK_T
  72 #define _CLOCK_T
  73 typedef __kernel_clock_t        clock_t;
  74 #endif
  75
  76 #ifndef _CADDR_T
  77 #define _CADDR_T
  78 typedef __kernel_caddr_t        caddr_t;
  79 #endif
  80
  81 /* bsd */
  82 typedef unsigned char           u_char;
  83 typedef unsigned short          u_short;
  84 typedef unsigned int            u_int;
  85 typedef unsigned long           u_long;
  86
  87 /* sysv */
  88 typedef unsigned char           unchar;
  89 typedef unsigned short          ushort;
  90 typedef unsigned int            uint;
  91 typedef unsigned long           ulong;
  92
  93 #ifndef __BIT_TYPES_DEFINED__
  94 #define __BIT_TYPES_DEFINED__
  95
  96 typedef         __u8            u_int8_t;
  97 typedef         __s8            int8_t;
  98 typedef         __u16           u_int16_t;
  99 typedef         __s16           int16_t;
 100 typedef         __u32           u_int32_t;
 101 typedef         __s32           int32_t;
 102
 103 #endif /* !(__BIT_TYPES_DEFINED__) */
 104
 105 typedef         __u8            uint8_t;
 106 typedef         __u16           uint16_t;
 107 typedef         __u32           uint32_t;
 108
 109 #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
 110 typedef         __u64           uint64_t;
 111 typedef         __u64           u_int64_t;
 112 typedef         __s64           int64_t;
 113 #endif
 114
 115 #endif /* __KERNEL_STRICT_NAMES */
 116
 117 /* this is a special 64bit data type that is 8-byte aligned */
 118 #define aligned_u64 __u64 __aligned(8)
 119 #define aligned_be64 __be64 __aligned(8)
 120 #define aligned_le64 __le64 __aligned(8)
 121
 122 #ifdef __KERNEL__
 123 typedef phys_addr_t resource_size_t;
 124 #endif
 125
 126 /*
 127  * Below are truly Linux-specific types that should never collide with
 128  * any application/library that wants linux/types.h.
 129  */
 130 #ifdef __CHECKER__
 131 #define __bitwise__ __attribute__((bitwise))
 132 #else
 133 #define __bitwise__
 134 #endif
 135 #ifdef __CHECK_ENDIAN__
 136 #define __bitwise __bitwise__
 137 #else
 138 #define __bitwise
 139 #endif
 140
 141 typedef __u16 __bitwise __le16;
 142 typedef __u16 __bitwise __be16;
 143 typedef __u32 __bitwise __le32;
 144 typedef __u32 __bitwise __be32;
 145 #if defined(__GNUC__)
 146 typedef __u64 __bitwise __le64;
 147 typedef __u64 __bitwise __be64;
 148 #endif
 149 typedef __u16 __bitwise __sum16;
 150 typedef __u32 __bitwise __wsum;
 151
 152 typedef unsigned __bitwise__    gfp_t;
 153
 154 #ifdef __linux__
 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 #endif
 162
 163 #define DECLARE_BITMAP(name, bits) \
 164         unsigned long name[BITS_TO_LONGS(bits)]
 165
 166 #endif /* _LINUX_TYPES_H */