root/include/linux/fcntl.h

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INCLUDED FROM


   1 #ifndef _LINUX_FCNTL_H
   2 #define _LINUX_FCNTL_H
   3 
   4 /* open/fcntl - O_SYNC isn't implemented yet */
   5 #define O_ACCMODE         0003
   6 #define O_RDONLY            00
   7 #define O_WRONLY            01
   8 #define O_RDWR              02
   9 #define O_CREAT           0100  /* not fcntl */
  10 #define O_EXCL            0200  /* not fcntl */
  11 #define O_NOCTTY          0400  /* not fcntl */
  12 #define O_TRUNC          01000  /* not fcntl */
  13 #define O_APPEND         02000
  14 #define O_NONBLOCK       04000
  15 #define O_NDELAY        O_NONBLOCK
  16 #define O_SYNC          010000
  17 
  18 #define F_DUPFD         0       /* dup */
  19 #define F_GETFD         1       /* get f_flags */
  20 #define F_SETFD         2       /* set f_flags */
  21 #define F_GETFL         3       /* more flags (cloexec) */
  22 #define F_SETFL         4
  23 #define F_GETLK         5       /* not implemented */
  24 #define F_SETLK         6
  25 #define F_SETLKW        7
  26 
  27 #define F_SETOWN        8       /*  for sockets. */
  28 #define F_GETOWN        9       /*  for sockets. */
  29 
  30 /* for F_[GET|SET]FL */
  31 #define FD_CLOEXEC      1       /* actually anything with low bit set goes */
  32 
  33 #define F_RDLCK         0
  34 #define F_WRLCK         1
  35 #define F_UNLCK         2
  36 
  37 /* For bsd flock () */
  38 #define F_EXLCK         4       /* or 3 */
  39 #define F_SHLCK         8       /* or 4 */
  40 
  41 /* Once again - not implemented, but ... */
  42 struct flock {
  43         short l_type;
  44         short l_whence;
  45         off_t l_start;
  46         off_t l_len;
  47         pid_t l_pid;
  48 };
  49 
  50 #endif

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