include/asm-s390/fcntl.h

   1 /*
   2  *  include/asm-s390/fcntl.h
   3  *
   4  *  S390 version
   5  *
   6  *  Derived from "include/asm-i386/fcntl.h"
   7  */
   8 #ifndef _S390_FCNTL_H
   9 #define _S390_FCNTL_H
  10
  11 /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
  12    located on an ext2 file system */
  13 #define O_ACCMODE          0003
  14 #define O_RDONLY             00
  15 #define O_WRONLY             01
  16 #define O_RDWR               02
  17 #define O_CREAT            0100 /* not fcntl */
  18 #define O_EXCL             0200 /* not fcntl */
  19 #define O_NOCTTY           0400 /* not fcntl */
  20 #define O_TRUNC           01000 /* not fcntl */
  21 #define O_APPEND          02000
  22 #define O_NONBLOCK        04000
  23 #define O_NDELAY        O_NONBLOCK
  24 #define O_SYNC           010000
  25 #define FASYNC           020000 /* fcntl, for BSD compatibility */
  26 #define O_DIRECT         040000 /* direct disk access hint */
  27 #define O_LARGEFILE     0100000
  28 #define O_DIRECTORY     0200000 /* must be a directory */
  29 #define O_NOFOLLOW      0400000 /* don't follow links */
  30
  31 #define F_DUPFD         0       /* dup */
  32 #define F_GETFD         1       /* get close_on_exec */
  33 #define F_SETFD         2       /* set/clear close_on_exec */
  34 #define F_GETFL         3       /* get file->f_flags */
  35 #define F_SETFL         4       /* set file->f_flags */
  36 #define F_GETLK         5
  37 #define F_SETLK         6
  38 #define F_SETLKW        7
  39
  40 #define F_SETOWN        8       /*  for sockets. */
  41 #define F_GETOWN        9       /*  for sockets. */
  42 #define F_SETSIG        10      /*  for sockets. */
  43 #define F_GETSIG        11      /*  for sockets. */
  44
  45 #ifndef __s390x__
  46 #define F_GETLK64       12      /*  using 'struct flock64' */
  47 #define F_SETLK64       13
  48 #define F_SETLKW64      14
  49 #endif /* ! __s390x__ */
  50
  51 /* for F_[GET|SET]FL */
  52 #define FD_CLOEXEC      1       /* actually anything with low bit set goes */
  53
  54 /* for posix fcntl() and lockf() */
  55 #define F_RDLCK         0
  56 #define F_WRLCK         1
  57 #define F_UNLCK         2
  58
  59 /* for old implementation of bsd flock () */
  60 #define F_EXLCK         4       /* or 3 */
  61 #define F_SHLCK         8       /* or 4 */
  62
  63 /* for leases */
  64 #define F_INPROGRESS    16
  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 struct flock {
  79         short l_type;
  80         short l_whence;
  81         off_t l_start;
  82         off_t l_len;
  83         pid_t l_pid;
  84 };
  85
  86 #ifndef __s390x__
  87 struct flock64 {
  88         short  l_type;
  89         short  l_whence;
  90         loff_t l_start;
  91         loff_t l_len;
  92         pid_t  l_pid;
  93 };
  94 #endif
  95 #define F_LINUX_SPECIFIC_BASE   1024
  96 #endif