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 #define O_NOATIME       01000000
  31
  32 #define F_DUPFD         0       /* dup */
  33 #define F_GETFD         1       /* get close_on_exec */
  34 #define F_SETFD         2       /* set/clear close_on_exec */
  35 #define F_GETFL         3       /* get file->f_flags */
  36 #define F_SETFL         4       /* set file->f_flags */
  37 #define F_GETLK         5
  38 #define F_SETLK         6
  39 #define F_SETLKW        7
  40
  41 #define F_SETOWN        8       /*  for sockets. */
  42 #define F_GETOWN        9       /*  for sockets. */
  43 #define F_SETSIG        10      /*  for sockets. */
  44 #define F_GETSIG        11      /*  for sockets. */
  45
  46 #ifndef __s390x__
  47 #define F_GETLK64       12      /*  using 'struct flock64' */
  48 #define F_SETLK64       13
  49 #define F_SETLKW64      14
  50 #endif /* ! __s390x__ */
  51
  52 /* for F_[GET|SET]FL */
  53 #define FD_CLOEXEC      1       /* actually anything with low bit set goes */
  54
  55 /* for posix fcntl() and lockf() */
  56 #define F_RDLCK         0
  57 #define F_WRLCK         1
  58 #define F_UNLCK         2
  59
  60 /* for old implementation of bsd flock () */
  61 #define F_EXLCK         4       /* or 3 */
  62 #define F_SHLCK         8       /* or 4 */
  63
  64 /* for leases */
  65 #define F_INPROGRESS    16
  66
  67 /* operations for bsd flock(), also used by the kernel implementation */
  68 #define LOCK_SH         1       /* shared lock */
  69 #define LOCK_EX         2       /* exclusive lock */
  70 #define LOCK_NB         4       /* or'd with one of the above to prevent
  71                                    blocking */
  72 #define LOCK_UN         8       /* remove lock */
  73
  74 #define LOCK_MAND       32      /* This is a mandatory flock */
  75 #define LOCK_READ       64      /* ... Which allows concurrent read operations */
  76 #define LOCK_WRITE      128     /* ... Which allows concurrent write operations */
  77 #define LOCK_RW         192     /* ... Which allows concurrent read & write ops */
  78
  79 struct flock {
  80         short l_type;
  81         short l_whence;
  82         off_t l_start;
  83         off_t l_len;
  84         pid_t l_pid;
  85 };
  86
  87 #ifndef __s390x__
  88 struct flock64 {
  89         short  l_type;
  90         short  l_whence;
  91         loff_t l_start;
  92         loff_t l_len;
  93         pid_t  l_pid;
  94 };
  95 #endif
  96 #define F_LINUX_SPECIFIC_BASE   1024
  97 #endif