include/asm-generic/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 #ifndef O_CREAT
  13 #define O_CREAT         00000100        /* not fcntl */
  14 #endif
  15 #ifndef O_EXCL
  16 #define O_EXCL          00000200        /* not fcntl */
  17 #endif
  18 #ifndef O_NOCTTY
  19 #define O_NOCTTY        00000400        /* not fcntl */
  20 #endif
  21 #ifndef O_TRUNC
  22 #define O_TRUNC         00001000        /* not fcntl */
  23 #endif
  24 #ifndef O_APPEND
  25 #define O_APPEND        00002000
  26 #endif
  27 #ifndef O_NONBLOCK
  28 #define O_NONBLOCK      00004000
  29 #endif
  30 #ifndef O_SYNC
  31 #define O_SYNC          00010000
  32 #endif
  33 #ifndef FASYNC
  34 #define FASYNC          00020000        /* fcntl, for BSD compatibility */
  35 #endif
  36 #ifndef O_DIRECT
  37 #define O_DIRECT        00040000        /* direct disk access hint */
  38 #endif
  39 #ifndef O_LARGEFILE
  40 #define O_LARGEFILE     00100000
  41 #endif
  42 #ifndef O_DIRECTORY
  43 #define O_DIRECTORY     00200000        /* must be a directory */
  44 #endif
  45 #ifndef O_NOFOLLOW
  46 #define O_NOFOLLOW      00400000        /* don't follow links */
  47 #endif
  48 #ifndef O_NOATIME
  49 #define O_NOATIME       01000000
  50 #endif
  51 #ifndef O_CLOEXEC
  52 #define O_CLOEXEC       02000000        /* set close_on_exec */
  53 #endif
  54 #ifndef O_NDELAY
  55 #define O_NDELAY        O_NONBLOCK
  56 #endif
  57
  58 #define F_DUPFD         0       /* dup */
  59 #define F_GETFD         1       /* get close_on_exec */
  60 #define F_SETFD         2       /* set/clear close_on_exec */
  61 #define F_GETFL         3       /* get file->f_flags */
  62 #define F_SETFL         4       /* set file->f_flags */
  63 #ifndef F_GETLK
  64 #define F_GETLK         5
  65 #define F_SETLK         6
  66 #define F_SETLKW        7
  67 #endif
  68 #ifndef F_SETOWN
  69 #define F_SETOWN        8       /* for sockets. */
  70 #define F_GETOWN        9       /* for sockets. */
  71 #endif
  72 #ifndef F_SETSIG
  73 #define F_SETSIG        10      /* for sockets. */
  74 #define F_GETSIG        11      /* for sockets. */
  75 #endif
  76
  77 #ifndef CONFIG_64BIT
  78 #ifndef F_GETLK64
  79 #define F_GETLK64       12      /*  using 'struct flock64' */
  80 #define F_SETLK64       13
  81 #define F_SETLKW64      14
  82 #endif
  83 #endif
  84
  85 #ifndef F_SETOWN_EX
  86 #define F_SETOWN_EX     15
  87 #define F_GETOWN_EX     16
  88 #endif
  89
  90 #define F_OWNER_TID     0
  91 #define F_OWNER_PID     1
  92 #define F_OWNER_PGRP    2
  93
  94 struct f_owner_ex {
  95         int     type;
  96         pid_t   pid;
  97 };
  98
  99 /* for F_[GET|SET]FL */
 100 #define FD_CLOEXEC      1       /* actually anything with low bit set goes */
 101
 102 /* for posix fcntl() and lockf() */
 103 #ifndef F_RDLCK
 104 #define F_RDLCK         0
 105 #define F_WRLCK         1
 106 #define F_UNLCK         2
 107 #endif
 108
 109 /* for old implementation of bsd flock () */
 110 #ifndef F_EXLCK
 111 #define F_EXLCK         4       /* or 3 */
 112 #define F_SHLCK         8       /* or 4 */
 113 #endif
 114
 115 /* for leases */
 116 #ifndef F_INPROGRESS
 117 #define F_INPROGRESS    16
 118 #endif
 119
 120 /* operations for bsd flock(), also used by the kernel implementation */
 121 #define LOCK_SH         1       /* shared lock */
 122 #define LOCK_EX         2       /* exclusive lock */
 123 #define LOCK_NB         4       /* or'd with one of the above to prevent
 124                                    blocking */
 125 #define LOCK_UN         8       /* remove lock */
 126
 127 #define LOCK_MAND       32      /* This is a mandatory flock ... */
 128 #define LOCK_READ       64      /* which allows concurrent read operations */
 129 #define LOCK_WRITE      128     /* which allows concurrent write operations */
 130 #define LOCK_RW         192     /* which allows concurrent read & write ops */
 131
 132 #define F_LINUX_SPECIFIC_BASE   1024
 133
 134 #ifndef HAVE_ARCH_STRUCT_FLOCK
 135 #ifndef __ARCH_FLOCK_PAD
 136 #define __ARCH_FLOCK_PAD
 137 #endif
 138
 139 struct flock {
 140         short   l_type;
 141         short   l_whence;
 142         __kernel_off_t  l_start;
 143         __kernel_off_t  l_len;
 144         __kernel_pid_t  l_pid;
 145         __ARCH_FLOCK_PAD
 146 };
 147 #endif
 148
 149 #ifndef CONFIG_64BIT
 150
 151 #ifndef HAVE_ARCH_STRUCT_FLOCK64
 152 #ifndef __ARCH_FLOCK64_PAD
 153 #define __ARCH_FLOCK64_PAD
 154 #endif
 155
 156 struct flock64 {
 157         short  l_type;
 158         short  l_whence;
 159         __kernel_loff_t l_start;
 160         __kernel_loff_t l_len;
 161         __kernel_pid_t  l_pid;
 162         __ARCH_FLOCK64_PAD
 163 };
 164 #endif
 165 #endif /* !CONFIG_64BIT */
 166
 167 #endif /* _ASM_GENERIC_FCNTL_H */