include/asm-generic/fcntl.h

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