include/asm-generic/fcntl.h

   1 #ifndef _ASM_GENERIC_FCNTL_H
   2 #define _ASM_GENERIC_FCNTL_H
   3
   4 #include <linux/types.h>
   5
   6 /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
   7    located on an ext2 file system */
   8 #define O_ACCMODE       00000003
   9 #define O_RDONLY        00000000
  10 #define O_WRONLY        00000001
  11 #define O_RDWR          00000002
  12 #ifndef O_CREAT
  13 #define O_CREAT         00000100        /* not fcntl */
  14 #endif
  15 #ifndef O_EXCL
  16 #define O_EXCL          00000200        /* not fcntl */
  17 #endif
  18 #ifndef O_NOCTTY
  19 #define O_NOCTTY        00000400        /* not fcntl */
  20 #endif
  21 #ifndef O_TRUNC
  22 #define O_TRUNC         00001000        /* not fcntl */
  23 #endif
  24 #ifndef O_APPEND
  25 #define O_APPEND        00002000
  26 #endif
  27 #ifndef O_NONBLOCK
  28 #define O_NONBLOCK      00004000
  29 #endif
  30 #ifndef O_SYNC
  31 #define O_SYNC          00010000
  32 #endif
  33 #ifndef FASYNC
  34 #define FASYNC          00020000        /* fcntl, for BSD compatibility */
  35 #endif
  36 #ifndef O_DIRECT
  37 #define O_DIRECT        00040000        /* direct disk access hint */
  38 #endif
  39 #ifndef O_LARGEFILE
  40 #define O_LARGEFILE     00100000
  41 #endif
  42 #ifndef O_DIRECTORY
  43 #define O_DIRECTORY     00200000        /* must be a directory */
  44 #endif
  45 #ifndef O_NOFOLLOW
  46 #define O_NOFOLLOW      00400000        /* don't follow links */
  47 #endif
  48 #ifndef O_NOATIME
  49 #define O_NOATIME       01000000
  50 #endif
  51 #ifndef O_NDELAY
  52 #define O_NDELAY        O_NONBLOCK
  53 #endif
  54
  55 #define F_DUPFD         0       /* dup */
  56 #define F_GETFD         1       /* get close_on_exec */
  57 #define F_SETFD         2       /* set/clear close_on_exec */
  58 #define F_GETFL         3       /* get file->f_flags */
  59 #define F_SETFL         4       /* set file->f_flags */
  60 #ifndef F_GETLK
  61 #define F_GETLK         5
  62 #define F_SETLK         6
  63 #define F_SETLKW        7
  64 #endif
  65 #ifndef F_SETOWN
  66 #define F_SETOWN        8       /* for sockets. */
  67 #define F_GETOWN        9       /* for sockets. */
  68 #endif
  69 #ifndef F_SETSIG
  70 #define F_SETSIG        10      /* for sockets. */
  71 #define F_GETSIG        11      /* for sockets. */
  72 #endif
  73
  74 /* for F_[GET|SET]FL */
  75 #define FD_CLOEXEC      1       /* actually anything with low bit set goes */
  76
  77 /* for posix fcntl() and lockf() */
  78 #ifndef F_RDLCK
  79 #define F_RDLCK         0
  80 #define F_WRLCK         1
  81 #define F_UNLCK         2
  82 #endif
  83
  84 /* for old implementation of bsd flock () */
  85 #ifndef F_EXLCK
  86 #define F_EXLCK         4       /* or 3 */
  87 #define F_SHLCK         8       /* or 4 */
  88 #endif
  89
  90 /* for leases */
  91 #ifndef F_INPROGRESS
  92 #define F_INPROGRESS    16
  93 #endif
  94
  95 /* operations for bsd flock(), also used by the kernel implementation */
  96 #define LOCK_SH         1       /* shared lock */
  97 #define LOCK_EX         2       /* exclusive lock */
  98 #define LOCK_NB         4       /* or'd with one of the above to prevent
  99                                    blocking */
 100 #define LOCK_UN         8       /* remove lock */
 101
 102 #define LOCK_MAND       32      /* This is a mandatory flock ... */
 103 #define LOCK_READ       64      /* which allows concurrent read operations */
 104 #define LOCK_WRITE      128     /* which allows concurrent write operations */
 105 #define LOCK_RW         192     /* which allows concurrent read & write ops */
 106
 107 #define F_LINUX_SPECIFIC_BASE   1024
 108
 109 #ifndef HAVE_ARCH_STRUCT_FLOCK
 110 #ifndef __ARCH_FLOCK_PAD
 111 #define __ARCH_FLOCK_PAD
 112 #endif
 113
 114 struct flock {
 115         short   l_type;
 116         short   l_whence;
 117         off_t   l_start;
 118         off_t   l_len;
 119         pid_t   l_pid;
 120         __ARCH_FLOCK_PAD
 121 };
 122 #endif
 123
 124 #ifndef CONFIG_64BIT
 125
 126 #ifndef F_GETLK64
 127 #define F_GETLK64       12      /*  using 'struct flock64' */
 128 #define F_SETLK64       13
 129 #define F_SETLKW64      14
 130 #endif
 131
 132 #ifndef HAVE_ARCH_STRUCT_FLOCK64
 133 #ifndef __ARCH_FLOCK64_PAD
 134 #define __ARCH_FLOCK64_PAD
 135 #endif
 136
 137 struct flock64 {
 138         short  l_type;
 139         short  l_whence;
 140         loff_t l_start;
 141         loff_t l_len;
 142         pid_t  l_pid;
 143         __ARCH_FLOCK64_PAD
 144 };
 145 #endif
 146 #endif /* !CONFIG_64BIT */
 147
 148 #endif /* _ASM_GENERIC_FCNTL_H */