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_CLOEXEC
  52 #define O_CLOEXEC       02000000        /* set close_on_exec */
  53 #endif
  54 #ifndef O_NDELAY
  55 #define O_NDELAY        O_NONBLOCK
  56 #endif
  57
  58 #define F_DUPFD         0       /* dup */
  59 #define F_GETFD         1       /* get close_on_exec */
  60 #define F_SETFD         2       /* set/clear close_on_exec */
  61 #define F_GETFL         3       /* get file->f_flags */
  62 #define F_SETFL         4       /* set file->f_flags */
  63 #ifndef F_GETLK
  64 #define F_GETLK         5
  65 #define F_SETLK         6
  66 #define F_SETLKW        7
  67 #endif
  68 #ifndef F_SETOWN
  69 #define F_SETOWN        8       /* for sockets. */
  70 #define F_GETOWN        9       /* for sockets. */
  71 #endif
  72 #ifndef F_SETSIG
  73 #define F_SETSIG        10      /* for sockets. */
  74 #define F_GETSIG        11      /* for sockets. */
  75 #endif
  76
  77 /* for F_[GET|SET]FL */
  78 #define FD_CLOEXEC      1       /* actually anything with low bit set goes */
  79
  80 /* for posix fcntl() and lockf() */
  81 #ifndef F_RDLCK
  82 #define F_RDLCK         0
  83 #define F_WRLCK         1
  84 #define F_UNLCK         2
  85 #endif
  86
  87 /* for old implementation of bsd flock () */
  88 #ifndef F_EXLCK
  89 #define F_EXLCK         4       /* or 3 */
  90 #define F_SHLCK         8       /* or 4 */
  91 #endif
  92
  93 /* for leases */
  94 #ifndef F_INPROGRESS
  95 #define F_INPROGRESS    16
  96 #endif
  97
  98 /* operations for bsd flock(), also used by the kernel implementation */
  99 #define LOCK_SH         1       /* shared lock */
 100 #define LOCK_EX         2       /* exclusive lock */
 101 #define LOCK_NB         4       /* or'd with one of the above to prevent
 102                                    blocking */
 103 #define LOCK_UN         8       /* remove lock */
 104
 105 #define LOCK_MAND       32      /* This is a mandatory flock ... */
 106 #define LOCK_READ       64      /* which allows concurrent read operations */
 107 #define LOCK_WRITE      128     /* which allows concurrent write operations */
 108 #define LOCK_RW         192     /* which allows concurrent read & write ops */
 109
 110 #define F_LINUX_SPECIFIC_BASE   1024
 111
 112 #ifndef HAVE_ARCH_STRUCT_FLOCK
 113 #ifndef __ARCH_FLOCK_PAD
 114 #define __ARCH_FLOCK_PAD
 115 #endif
 116
 117 struct flock {
 118         short   l_type;
 119         short   l_whence;
 120         off_t   l_start;
 121         off_t   l_len;
 122         pid_t   l_pid;
 123         __ARCH_FLOCK_PAD
 124 };
 125 #endif
 126
 127 #ifndef CONFIG_64BIT
 128
 129 #ifndef F_GETLK64
 130 #define F_GETLK64       12      /*  using 'struct flock64' */
 131 #define F_SETLK64       13
 132 #define F_SETLKW64      14
 133 #endif
 134
 135 #ifndef HAVE_ARCH_STRUCT_FLOCK64
 136 #ifndef __ARCH_FLOCK64_PAD
 137 #define __ARCH_FLOCK64_PAD
 138 #endif
 139
 140 struct flock64 {
 141         short  l_type;
 142         short  l_whence;
 143         loff_t l_start;
 144         loff_t l_len;
 145         pid_t  l_pid;
 146         __ARCH_FLOCK64_PAD
 147 };
 148 #endif
 149 #endif /* !CONFIG_64BIT */
 150
 151 #endif /* _ASM_GENERIC_FCNTL_H */