include/linux/types.h

   1 #ifndef _LINUX_TYPES_H
   2 #define _LINUX_TYPES_H
   3
   4
   5 #include <linux/posix_types.h>
   6 #include <asm/types.h>
   7
   8 #ifndef __KERNEL_STRICT_NAMES
   9
  10 typedef __u32 __kernel_dev_t;
  11
  12 typedef __kernel_fd_set         fd_set;
  13 typedef __kernel_dev_t          dev_t;
  14 typedef __kernel_ino_t          ino_t;
  15 typedef __kernel_mode_t         mode_t;
  16 typedef __kernel_nlink_t        nlink_t;
  17 typedef __kernel_off_t          off_t;
  18 typedef __kernel_pid_t          pid_t;
  19 typedef __kernel_daddr_t        daddr_t;
  20 typedef __kernel_key_t          key_t;
  21 typedef __kernel_suseconds_t    suseconds_t;
  22 typedef __kernel_timer_t        timer_t;
  23 typedef __kernel_clockid_t      clockid_t;
  24 typedef __kernel_mqd_t          mqd_t;
  25
  26 typedef __kernel_uid_t          uid_t;
  27 typedef __kernel_gid_t          gid_t;
  28
  29 #if defined(__GNUC__)
  30 typedef __kernel_loff_t         loff_t;
  31 #endif
  32
  33 /*
  34  * The following typedefs are also protected by individual ifdefs for
  35  * historical reasons:
  36  */
  37 #ifndef _SIZE_T
  38 #define _SIZE_T
  39 typedef __kernel_size_t         size_t;
  40 #endif
  41
  42 #ifndef _SSIZE_T
  43 #define _SSIZE_T
  44 typedef __kernel_ssize_t        ssize_t;
  45 #endif
  46
  47 #ifndef _PTRDIFF_T
  48 #define _PTRDIFF_T
  49 typedef __kernel_ptrdiff_t      ptrdiff_t;
  50 #endif
  51
  52 #ifndef _TIME_T
  53 #define _TIME_T
  54 typedef __kernel_time_t         time_t;
  55 #endif
  56
  57 #ifndef _CLOCK_T
  58 #define _CLOCK_T
  59 typedef __kernel_clock_t        clock_t;
  60 #endif
  61
  62 #ifndef _CADDR_T
  63 #define _CADDR_T
  64 typedef __kernel_caddr_t        caddr_t;
  65 #endif
  66
  67 /* bsd */
  68 typedef unsigned char           u_char;
  69 typedef unsigned short          u_short;
  70 typedef unsigned int            u_int;
  71 typedef unsigned long           u_long;
  72
  73 /* sysv */
  74 typedef unsigned char           unchar;
  75 typedef unsigned short          ushort;
  76 typedef unsigned int            uint;
  77 typedef unsigned long           ulong;
  78
  79 #ifndef __BIT_TYPES_DEFINED__
  80 #define __BIT_TYPES_DEFINED__
  81
  82 typedef         __u8            u_int8_t;
  83 typedef         __s8            int8_t;
  84 typedef         __u16           u_int16_t;
  85 typedef         __s16           int16_t;
  86 typedef         __u32           u_int32_t;
  87 typedef         __s32           int32_t;
  88
  89 #endif /* !(__BIT_TYPES_DEFINED__) */
  90
  91 typedef         __u8            uint8_t;
  92 typedef         __u16           uint16_t;
  93 typedef         __u32           uint32_t;
  94
  95 #if defined(__GNUC__)
  96 typedef         __u64           uint64_t;
  97 typedef         __u64           u_int64_t;
  98 typedef         __s64           int64_t;
  99 #endif
 100
 101 /* this is a special 64bit data type that is 8-byte aligned */
 102 #define aligned_u64 __u64 __attribute__((aligned(8)))
 103 #define aligned_be64 __be64 __attribute__((aligned(8)))
 104 #define aligned_le64 __le64 __attribute__((aligned(8)))
 105
 106 /**
 107  * The type used for indexing onto a disc or disc partition.
 108  *
 109  * Linux always considers sectors to be 512 bytes long independently
 110  * of the devices real block size.
 111  */
 112 #ifdef CONFIG_LBD
 113 typedef u64 sector_t;
 114 #else
 115 typedef unsigned long sector_t;
 116 #endif
 117
 118 /*
 119  * The type of the inode's block count.
 120  */
 121 #ifdef CONFIG_LSF
 122 typedef u64 blkcnt_t;
 123 #else
 124 typedef unsigned long blkcnt_t;
 125 #endif
 126
 127 /*
 128  * The type of an index into the pagecache.  Use a #define so asm/types.h
 129  * can override it.
 130  */
 131 #ifndef pgoff_t
 132 #define pgoff_t unsigned long
 133 #endif
 134
 135 #endif /* __KERNEL_STRICT_NAMES */
 136
 137 /*
 138  * Below are truly Linux-specific types that should never collide with
 139  * any application/library that wants linux/types.h.
 140  */
 141
 142 #ifdef __CHECKER__
 143 #define __bitwise__ __attribute__((bitwise))
 144 #else
 145 #define __bitwise__
 146 #endif
 147 #ifdef __CHECK_ENDIAN__
 148 #define __bitwise __bitwise__
 149 #else
 150 #define __bitwise
 151 #endif
 152
 153 typedef __u16 __bitwise __le16;
 154 typedef __u16 __bitwise __be16;
 155 typedef __u32 __bitwise __le32;
 156 typedef __u32 __bitwise __be32;
 157 #if defined(__GNUC__)
 158 typedef __u64 __bitwise __le64;
 159 typedef __u64 __bitwise __be64;
 160 #endif
 161 typedef __u16 __bitwise __sum16;
 162 typedef __u32 __bitwise __wsum;
 163
 164
 165 struct ustat {
 166         __kernel_daddr_t        f_tfree;
 167         __kernel_ino_t          f_tinode;
 168         char                    f_fname[6];
 169         char                    f_fpack[6];
 170 };
 171
 172 #endif /* _LINUX_TYPES_H */