types.h 4.4 KB

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  1. #ifndef _LINUX_TYPES_H
  2. #define _LINUX_TYPES_H
  3. #ifdef __KERNEL__
  4. #define BITS_TO_LONGS(bits) \
  5. (((bits)+BITS_PER_LONG-1)/BITS_PER_LONG)
  6. #define DECLARE_BITMAP(name,bits) \
  7. unsigned long name[BITS_TO_LONGS(bits)]
  8. #define BITS_PER_BYTE 8
  9. #endif
  10. #include <linux/posix_types.h>
  11. #include <asm/types.h>
  12. #ifndef __KERNEL_STRICT_NAMES
  13. typedef __u32 __kernel_dev_t;
  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. typedef __kernel_timer_t timer_t;
  25. typedef __kernel_clockid_t clockid_t;
  26. typedef __kernel_mqd_t mqd_t;
  27. #ifdef __KERNEL__
  28. typedef _Bool bool;
  29. typedef __kernel_uid32_t uid_t;
  30. typedef __kernel_gid32_t gid_t;
  31. typedef __kernel_uid16_t uid16_t;
  32. typedef __kernel_gid16_t gid16_t;
  33. #ifdef CONFIG_UID16
  34. /* This is defined by include/asm-{arch}/posix_types.h */
  35. typedef __kernel_old_uid_t old_uid_t;
  36. typedef __kernel_old_gid_t old_gid_t;
  37. #endif /* CONFIG_UID16 */
  38. /* libc5 includes this file to define uid_t, thus uid_t can never change
  39. * when it is included by non-kernel code
  40. */
  41. #else
  42. typedef __kernel_uid_t uid_t;
  43. typedef __kernel_gid_t gid_t;
  44. #endif /* __KERNEL__ */
  45. #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
  46. typedef __kernel_loff_t loff_t;
  47. #endif
  48. /*
  49. * The following typedefs are also protected by individual ifdefs for
  50. * historical reasons:
  51. */
  52. #ifndef _SIZE_T
  53. #define _SIZE_T
  54. typedef __kernel_size_t size_t;
  55. #endif
  56. #ifndef _SSIZE_T
  57. #define _SSIZE_T
  58. typedef __kernel_ssize_t ssize_t;
  59. #endif
  60. #ifndef _PTRDIFF_T
  61. #define _PTRDIFF_T
  62. typedef __kernel_ptrdiff_t ptrdiff_t;
  63. #endif
  64. #ifndef _TIME_T
  65. #define _TIME_T
  66. typedef __kernel_time_t time_t;
  67. #endif
  68. #ifndef _CLOCK_T
  69. #define _CLOCK_T
  70. typedef __kernel_clock_t clock_t;
  71. #endif
  72. #ifndef _CADDR_T
  73. #define _CADDR_T
  74. typedef __kernel_caddr_t caddr_t;
  75. #endif
  76. /* bsd */
  77. typedef unsigned char u_char;
  78. typedef unsigned short u_short;
  79. typedef unsigned int u_int;
  80. typedef unsigned long u_long;
  81. /* sysv */
  82. typedef unsigned char unchar;
  83. typedef unsigned short ushort;
  84. typedef unsigned int uint;
  85. typedef unsigned long ulong;
  86. #ifndef __BIT_TYPES_DEFINED__
  87. #define __BIT_TYPES_DEFINED__
  88. typedef __u8 u_int8_t;
  89. typedef __s8 int8_t;
  90. typedef __u16 u_int16_t;
  91. typedef __s16 int16_t;
  92. typedef __u32 u_int32_t;
  93. typedef __s32 int32_t;
  94. #endif /* !(__BIT_TYPES_DEFINED__) */
  95. typedef __u8 uint8_t;
  96. typedef __u16 uint16_t;
  97. typedef __u32 uint32_t;
  98. #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
  99. typedef __u64 uint64_t;
  100. typedef __u64 u_int64_t;
  101. typedef __s64 int64_t;
  102. #endif
  103. /* this is a special 64bit data type that is 8-byte aligned */
  104. #define aligned_u64 unsigned long long __attribute__((aligned(8)))
  105. #define aligned_be64 __be64 __attribute__((aligned(8)))
  106. #define aligned_le64 __le64 __attribute__((aligned(8)))
  107. /**
  108. * The type used for indexing onto a disc or disc partition.
  109. *
  110. * Linux always considers sectors to be 512 bytes long independently
  111. * of the devices real block size.
  112. */
  113. #ifdef CONFIG_LBD
  114. typedef u64 sector_t;
  115. #else
  116. typedef unsigned long sector_t;
  117. #endif
  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. * The type of an index into the pagecache. Use a #define so asm/types.h
  128. * can override it.
  129. */
  130. #ifndef pgoff_t
  131. #define pgoff_t unsigned long
  132. #endif
  133. #endif /* __KERNEL_STRICT_NAMES */
  134. /*
  135. * Below are truly Linux-specific types that should never collide with
  136. * any application/library that wants linux/types.h.
  137. */
  138. #ifdef __CHECKER__
  139. #define __bitwise__ __attribute__((bitwise))
  140. #else
  141. #define __bitwise__
  142. #endif
  143. #ifdef __CHECK_ENDIAN__
  144. #define __bitwise __bitwise__
  145. #else
  146. #define __bitwise
  147. #endif
  148. typedef __u16 __bitwise __le16;
  149. typedef __u16 __bitwise __be16;
  150. typedef __u32 __bitwise __le32;
  151. typedef __u32 __bitwise __be32;
  152. #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
  153. typedef __u64 __bitwise __le64;
  154. typedef __u64 __bitwise __be64;
  155. #endif
  156. typedef __u16 __bitwise __sum16;
  157. typedef __u32 __bitwise __wsum;
  158. #ifdef __KERNEL__
  159. typedef unsigned __bitwise__ gfp_t;
  160. #ifdef CONFIG_RESOURCES_64BIT
  161. typedef u64 resource_size_t;
  162. #else
  163. typedef u32 resource_size_t;
  164. #endif
  165. #endif /* __KERNEL__ */
  166. struct ustat {
  167. __kernel_daddr_t f_tfree;
  168. __kernel_ino_t f_tinode;
  169. char f_fname[6];
  170. char f_fpack[6];
  171. };
  172. #endif /* _LINUX_TYPES_H */