types.h 4.3 KB

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  1. #ifndef _LINUX_TYPES_H
  2. #define _LINUX_TYPES_H
  3. #ifdef __KERNEL__
  4. #define DECLARE_BITMAP(name,bits) \
  5. unsigned long name[BITS_TO_LONGS(bits)]
  6. #endif
  7. #include <linux/posix_types.h>
  8. #include <asm/types.h>
  9. #ifndef __KERNEL_STRICT_NAMES
  10. typedef __u32 __kernel_dev_t;
  11. typedef __kernel_fd_set fd_set;
  12. typedef __kernel_dev_t dev_t;
  13. typedef __kernel_ino_t ino_t;
  14. typedef __kernel_mode_t mode_t;
  15. typedef __kernel_nlink_t nlink_t;
  16. typedef __kernel_off_t off_t;
  17. typedef __kernel_pid_t pid_t;
  18. typedef __kernel_daddr_t daddr_t;
  19. typedef __kernel_key_t key_t;
  20. typedef __kernel_suseconds_t suseconds_t;
  21. typedef __kernel_timer_t timer_t;
  22. typedef __kernel_clockid_t clockid_t;
  23. typedef __kernel_mqd_t mqd_t;
  24. #ifdef __KERNEL__
  25. typedef _Bool bool;
  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. #ifdef CONFIG_UID16
  31. /* This is defined by include/asm-{arch}/posix_types.h */
  32. typedef __kernel_old_uid_t old_uid_t;
  33. typedef __kernel_old_gid_t old_gid_t;
  34. #endif /* CONFIG_UID16 */
  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. #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
  43. typedef __kernel_loff_t loff_t;
  44. #endif
  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. #ifndef _SSIZE_T
  54. #define _SSIZE_T
  55. typedef __kernel_ssize_t ssize_t;
  56. #endif
  57. #ifndef _PTRDIFF_T
  58. #define _PTRDIFF_T
  59. typedef __kernel_ptrdiff_t ptrdiff_t;
  60. #endif
  61. #ifndef _TIME_T
  62. #define _TIME_T
  63. typedef __kernel_time_t time_t;
  64. #endif
  65. #ifndef _CLOCK_T
  66. #define _CLOCK_T
  67. typedef __kernel_clock_t clock_t;
  68. #endif
  69. #ifndef _CADDR_T
  70. #define _CADDR_T
  71. typedef __kernel_caddr_t caddr_t;
  72. #endif
  73. /* bsd */
  74. typedef unsigned char u_char;
  75. typedef unsigned short u_short;
  76. typedef unsigned int u_int;
  77. typedef unsigned long u_long;
  78. /* sysv */
  79. typedef unsigned char unchar;
  80. typedef unsigned short ushort;
  81. typedef unsigned int uint;
  82. typedef unsigned long ulong;
  83. #ifndef __BIT_TYPES_DEFINED__
  84. #define __BIT_TYPES_DEFINED__
  85. typedef __u8 u_int8_t;
  86. typedef __s8 int8_t;
  87. typedef __u16 u_int16_t;
  88. typedef __s16 int16_t;
  89. typedef __u32 u_int32_t;
  90. typedef __s32 int32_t;
  91. #endif /* !(__BIT_TYPES_DEFINED__) */
  92. typedef __u8 uint8_t;
  93. typedef __u16 uint16_t;
  94. typedef __u32 uint32_t;
  95. #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
  96. typedef __u64 uint64_t;
  97. typedef __u64 u_int64_t;
  98. typedef __s64 int64_t;
  99. #endif
  100. /* this is a special 64bit data type that is 8-byte aligned */
  101. #define aligned_u64 unsigned long long __attribute__((aligned(8)))
  102. #define aligned_be64 __be64 __attribute__((aligned(8)))
  103. #define aligned_le64 __le64 __attribute__((aligned(8)))
  104. /**
  105. * The type used for indexing onto a disc or disc partition.
  106. *
  107. * Linux always considers sectors to be 512 bytes long independently
  108. * of the devices real block size.
  109. */
  110. #ifdef CONFIG_LBD
  111. typedef u64 sector_t;
  112. #else
  113. typedef unsigned long sector_t;
  114. #endif
  115. /*
  116. * The type of the inode's block count.
  117. */
  118. #ifdef CONFIG_LSF
  119. typedef u64 blkcnt_t;
  120. #else
  121. typedef unsigned long blkcnt_t;
  122. #endif
  123. /*
  124. * The type of an index into the pagecache. Use a #define so asm/types.h
  125. * can override it.
  126. */
  127. #ifndef pgoff_t
  128. #define pgoff_t unsigned long
  129. #endif
  130. #endif /* __KERNEL_STRICT_NAMES */
  131. /*
  132. * Below are truly Linux-specific types that should never collide with
  133. * any application/library that wants linux/types.h.
  134. */
  135. #ifdef __CHECKER__
  136. #define __bitwise__ __attribute__((bitwise))
  137. #else
  138. #define __bitwise__
  139. #endif
  140. #ifdef __CHECK_ENDIAN__
  141. #define __bitwise __bitwise__
  142. #else
  143. #define __bitwise
  144. #endif
  145. typedef __u16 __bitwise __le16;
  146. typedef __u16 __bitwise __be16;
  147. typedef __u32 __bitwise __le32;
  148. typedef __u32 __bitwise __be32;
  149. #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
  150. typedef __u64 __bitwise __le64;
  151. typedef __u64 __bitwise __be64;
  152. #endif
  153. typedef __u16 __bitwise __sum16;
  154. typedef __u32 __bitwise __wsum;
  155. #ifdef __KERNEL__
  156. typedef unsigned __bitwise__ gfp_t;
  157. #ifdef CONFIG_RESOURCES_64BIT
  158. typedef u64 resource_size_t;
  159. #else
  160. typedef u32 resource_size_t;
  161. #endif
  162. #endif /* __KERNEL__ */
  163. struct ustat {
  164. __kernel_daddr_t f_tfree;
  165. __kernel_ino_t f_tinode;
  166. char f_fname[6];
  167. char f_fpack[6];
  168. };
  169. #endif /* _LINUX_TYPES_H */