include/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 #define O_CREAT         00000100        /* not fcntl */
  13 #define O_EXCL          00000200        /* not fcntl */
  14 #define O_TRUNC         00001000        /* not fcntl */
  15 #define O_APPEND        00002000
  16 #define O_DIRECTORY     00200000        /* must be a directory */
  17 #define O_NOFOLLOW      00400000        /* don't follow links */
  18
  19 /* barebox additional flags */
  20 #define O_RWSIZE_MASK   00000070
  21 #define O_RWSIZE_SHIFT  3
  22 #define O_RWSIZE_1      00000010
  23 #define O_RWSIZE_2      00000020
  24 #define O_RWSIZE_4      00000040
  25
  26 #define F_DUPFD         0       /* dup */
  27 #define F_GETFD         1       /* get close_on_exec */
  28 #define F_SETFD         2       /* set/clear close_on_exec */
  29 #define F_GETFL         3       /* get file->f_flags */
  30 #define F_SETFL         4       /* set file->f_flags */
  31 #ifndef F_GETLK
  32 #define F_GETLK         5
  33 #define F_SETLK         6
  34 #define F_SETLKW        7
  35 #endif
  36 #ifndef F_SETOWN
  37 #define F_SETOWN        8       /* for sockets. */
  38 #define F_GETOWN        9       /* for sockets. */
  39 #endif
  40 #ifndef F_SETSIG
  41 #define F_SETSIG        10      /* for sockets. */
  42 #define F_GETSIG        11      /* for sockets. */
  43 #endif
  44
  45 /* for F_[GET|SET]FL */
  46 #define FD_CLOEXEC      1       /* actually anything with low bit set goes */
  47
  48 /* for posix fcntl() and lockf() */
  49 #ifndef F_RDLCK
  50 #define F_RDLCK         0
  51 #define F_WRLCK         1
  52 #define F_UNLCK         2
  53 #endif
  54
  55 /* for old implementation of bsd flock () */
  56 #ifndef F_EXLCK
  57 #define F_EXLCK         4       /* or 3 */
  58 #define F_SHLCK         8       /* or 4 */
  59 #endif
  60
  61 /* for leases */
  62 #ifndef F_INPROGRESS
  63 #define F_INPROGRESS    16
  64 #endif
  65
  66 /* operations for bsd flock(), also used by the kernel implementation */
  67 #define LOCK_SH         1       /* shared lock */
  68 #define LOCK_EX         2       /* exclusive lock */
  69 #define LOCK_NB         4       /* or'd with one of the above to prevent
  70                                    blocking */
  71 #define LOCK_UN         8       /* remove lock */
  72
  73 #define LOCK_MAND       32      /* This is a mandatory flock ... */
  74 #define LOCK_READ       64      /* which allows concurrent read operations */
  75 #define LOCK_WRITE      128     /* which allows concurrent write operations */
  76 #define LOCK_RW         192     /* which allows concurrent read & write ops */
  77
  78 #define F_LINUX_SPECIFIC_BASE   1024
  79
  80 #ifndef HAVE_ARCH_STRUCT_FLOCK
  81 #ifndef __ARCH_FLOCK_PAD
  82 #define __ARCH_FLOCK_PAD
  83 #endif
  84
  85 struct flock {
  86         short   l_type;
  87         short   l_whence;
  88         off_t   l_start;
  89         off_t   l_len;
  90         pid_t   l_pid;
  91         __ARCH_FLOCK_PAD
  92 };
  93 #endif
  94
  95 #ifndef CONFIG_64BIT
  96
  97 #ifndef F_GETLK64
  98 #define F_GETLK64       12      /*  using 'struct flock64' */
  99 #define F_SETLK64       13
 100 #define F_SETLKW64      14
 101 #endif
 102
 103 #ifndef HAVE_ARCH_STRUCT_FLOCK64
 104 #ifndef __ARCH_FLOCK64_PAD
 105 #define __ARCH_FLOCK64_PAD
 106 #endif
 107
 108 struct flock64 {
 109         short  l_type;
 110         short  l_whence;
 111         loff_t l_start;
 112         loff_t l_len;
 113         pid_t  l_pid;
 114         __ARCH_FLOCK64_PAD
 115 };
 116 #endif
 117 #endif /* !CONFIG_64BIT */
 118
 119 #endif /* _ASM_GENERIC_FCNTL_H */