fcntl.h 3.2 KB

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  1. #ifndef _ASM_GENERIC_FCNTL_H
  2. #define _ASM_GENERIC_FCNTL_H
  3. #include <linux/types.h>
  4. /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
  5. located on an ext2 file system */
  6. #define O_ACCMODE 00000003
  7. #define O_RDONLY 00000000
  8. #define O_WRONLY 00000001
  9. #define O_RDWR 00000002
  10. #ifndef O_CREAT
  11. #define O_CREAT 00000100 /* not fcntl */
  12. #endif
  13. #ifndef O_EXCL
  14. #define O_EXCL 00000200 /* not fcntl */
  15. #endif
  16. #ifndef O_NOCTTY
  17. #define O_NOCTTY 00000400 /* not fcntl */
  18. #endif
  19. #ifndef O_TRUNC
  20. #define O_TRUNC 00001000 /* not fcntl */
  21. #endif
  22. #ifndef O_APPEND
  23. #define O_APPEND 00002000
  24. #endif
  25. #ifndef O_NONBLOCK
  26. #define O_NONBLOCK 00004000
  27. #endif
  28. #ifndef O_SYNC
  29. #define O_SYNC 00010000
  30. #endif
  31. #ifndef FASYNC
  32. #define FASYNC 00020000 /* fcntl, for BSD compatibility */
  33. #endif
  34. #ifndef O_DIRECT
  35. #define O_DIRECT 00040000 /* direct disk access hint */
  36. #endif
  37. #ifndef O_LARGEFILE
  38. #define O_LARGEFILE 00100000
  39. #endif
  40. #ifndef O_DIRECTORY
  41. #define O_DIRECTORY 00200000 /* must be a directory */
  42. #endif
  43. #ifndef O_NOFOLLOW
  44. #define O_NOFOLLOW 00400000 /* don't follow links */
  45. #endif
  46. #ifndef O_NOATIME
  47. #define O_NOATIME 01000000
  48. #endif
  49. #ifndef O_NDELAY
  50. #define O_NDELAY O_NONBLOCK
  51. #endif
  52. #define F_DUPFD 0 /* dup */
  53. #define F_GETFD 1 /* get close_on_exec */
  54. #define F_SETFD 2 /* set/clear close_on_exec */
  55. #define F_GETFL 3 /* get file->f_flags */
  56. #define F_SETFL 4 /* set file->f_flags */
  57. #ifndef F_GETLK
  58. #define F_GETLK 5
  59. #define F_SETLK 6
  60. #define F_SETLKW 7
  61. #endif
  62. #ifndef F_SETOWN
  63. #define F_SETOWN 8 /* for sockets. */
  64. #define F_GETOWN 9 /* for sockets. */
  65. #endif
  66. #ifndef F_SETSIG
  67. #define F_SETSIG 10 /* for sockets. */
  68. #define F_GETSIG 11 /* for sockets. */
  69. #endif
  70. /* for F_[GET|SET]FL */
  71. #define FD_CLOEXEC 1 /* actually anything with low bit set goes */
  72. /* for posix fcntl() and lockf() */
  73. #ifndef F_RDLCK
  74. #define F_RDLCK 0
  75. #define F_WRLCK 1
  76. #define F_UNLCK 2
  77. #endif
  78. /* for old implementation of bsd flock () */
  79. #ifndef F_EXLCK
  80. #define F_EXLCK 4 /* or 3 */
  81. #define F_SHLCK 8 /* or 4 */
  82. #endif
  83. /* for leases */
  84. #ifndef F_INPROGRESS
  85. #define F_INPROGRESS 16
  86. #endif
  87. /* operations for bsd flock(), also used by the kernel implementation */
  88. #define LOCK_SH 1 /* shared lock */
  89. #define LOCK_EX 2 /* exclusive lock */
  90. #define LOCK_NB 4 /* or'd with one of the above to prevent
  91. blocking */
  92. #define LOCK_UN 8 /* remove lock */
  93. #define LOCK_MAND 32 /* This is a mandatory flock ... */
  94. #define LOCK_READ 64 /* which allows concurrent read operations */
  95. #define LOCK_WRITE 128 /* which allows concurrent write operations */
  96. #define LOCK_RW 192 /* which allows concurrent read & write ops */
  97. #define F_LINUX_SPECIFIC_BASE 1024
  98. #ifndef HAVE_ARCH_STRUCT_FLOCK
  99. #ifndef __ARCH_FLOCK_PAD
  100. #define __ARCH_FLOCK_PAD
  101. #endif
  102. struct flock {
  103. short l_type;
  104. short l_whence;
  105. off_t l_start;
  106. off_t l_len;
  107. pid_t l_pid;
  108. __ARCH_FLOCK_PAD
  109. };
  110. #endif
  111. #ifndef CONFIG_64BIT
  112. #ifndef F_GETLK64
  113. #define F_GETLK64 12 /* using 'struct flock64' */
  114. #define F_SETLK64 13
  115. #define F_SETLKW64 14
  116. #endif
  117. #ifndef HAVE_ARCH_STRUCT_FLOCK64
  118. #ifndef __ARCH_FLOCK64_PAD
  119. #define __ARCH_FLOCK64_PAD
  120. #endif
  121. struct flock64 {
  122. short l_type;
  123. short l_whence;
  124. loff_t l_start;
  125. loff_t l_len;
  126. pid_t l_pid;
  127. __ARCH_FLOCK64_PAD
  128. };
  129. #endif
  130. #endif /* !CONFIG_64BIT */
  131. #endif /* _ASM_GENERIC_FCNTL_H */