include/asm-sparc/fcntl.h

   1 /* $Id: fcntl.h,v 1.11 1998/10/26 20:03:10 davem Exp $ */
   2 #ifndef _SPARC_FCNTL_H
   3 #define _SPARC_FCNTL_H
   4
   5 /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
   6    located on an ext2 file system */
   7 #define O_RDONLY        0x0000
   8 #define O_WRONLY        0x0001
   9 #define O_RDWR          0x0002
  10 #define O_ACCMODE       0x0003
  11 #define O_APPEND        0x0008
  12 #define FASYNC          0x0040  /* fcntl, for BSD compatibility */
  13 #define O_CREAT         0x0200  /* not fcntl */
  14 #define O_TRUNC         0x0400  /* not fcntl */
  15 #define O_EXCL          0x0800  /* not fcntl */
  16 #define O_SYNC          0x2000
  17 #define O_NONBLOCK      0x4000
  18 #define O_NDELAY        (0x0004 | O_NONBLOCK)
  19 #define O_NOCTTY        0x8000  /* not fcntl */
  20 #define O_DIRECTORY     0x10000 /* must be a directory */
  21 #define O_NOFOLLOW      0x20000 /* don't follow links */
  22
  23 #define F_DUPFD         0       /* dup */
  24 #define F_GETFD         1       /* get f_flags */
  25 #define F_SETFD         2       /* set f_flags */
  26 #define F_GETFL         3       /* more flags (cloexec) */
  27 #define F_SETFL         4
  28 #define F_GETOWN        5       /*  for sockets. */
  29 #define F_SETOWN        6       /*  for sockets. */
  30 #define F_GETLK         7
  31 #define F_SETLK         8
  32 #define F_SETLKW        9
  33 #define F_SETSIG        10      /*  for sockets. */
  34 #define F_GETSIG        11      /*  for sockets. */
  35
  36 /* for F_[GET|SET]FL */
  37 #define FD_CLOEXEC      1       /* actually anything with low bit set goes */
  38
  39 /* for posix fcntl() and lockf() */
  40 #define F_RDLCK         1
  41 #define F_WRLCK         2
  42 #define F_UNLCK         3
  43
  44 /* for old implementation of bsd flock () */
  45 #define F_EXLCK         4       /* or 3 */
  46 #define F_SHLCK         8       /* or 4 */
  47
  48 /* operations for bsd flock(), also used by the kernel implementation */
  49 #define LOCK_SH         1       /* shared lock */
  50 #define LOCK_EX         2       /* exclusive lock */
  51 #define LOCK_NB         4       /* or'd with one of the above to prevent
  52                                    blocking */
  53 #define LOCK_UN         8       /* remove lock */
  54
  55 struct flock {
  56         short l_type;
  57         short l_whence;
  58         off_t l_start;
  59         off_t l_len;
  60         pid_t l_pid;
  61         short __unused;
  62 };
  63
  64 #endif