include/asm-mips/fcntl.h

   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  *
   6  * Copyright (C) 1995, 96, 97, 98, 99, 2003 Ralf Baechle
   7  */
   8 #ifndef _ASM_FCNTL_H
   9 #define _ASM_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       0x0003
  14 #define O_RDONLY        0x0000
  15 #define O_WRONLY        0x0001
  16 #define O_RDWR          0x0002
  17 #define O_APPEND        0x0008
  18 #define O_SYNC          0x0010
  19 #define O_NONBLOCK      0x0080
  20 #define O_CREAT         0x0100  /* not fcntl */
  21 #define O_TRUNC         0x0200  /* not fcntl */
  22 #define O_EXCL          0x0400  /* not fcntl */
  23 #define O_NOCTTY        0x0800  /* not fcntl */
  24 #define FASYNC          0x1000  /* fcntl, for BSD compatibility */
  25 #define O_LARGEFILE     0x2000  /* allow large file opens */
  26 #define O_DIRECT        0x8000  /* direct disk access hint */
  27 #define O_DIRECTORY     0x10000 /* must be a directory */
  28 #define O_NOFOLLOW      0x20000 /* don't follow links */
  29
  30 #define O_NDELAY        O_NONBLOCK
  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         14
  38 #define F_SETLK         6
  39 #define F_SETLKW        7
  40
  41 #define F_SETOWN        24      /*  for sockets. */
  42 #define F_GETOWN        23      /*  for sockets. */
  43 #define F_SETSIG        10      /*  for sockets. */
  44 #define F_GETSIG        11      /*  for sockets. */
  45
  46 #ifndef __mips64
  47 #define F_GETLK64       33      /*  using 'struct flock64' */
  48 #define F_SETLK64       34
  49 #define F_SETLKW64      35
  50 #endif
  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 /*
  80  * The flavours of struct flock.  "struct flock" is the ABI compliant
  81  * variant.  Finally struct flock64 is the LFS variant of struct flock.  As
  82  * a historic accident and inconsistence with the ABI definition it doesn't
  83  * contain all the same fields as struct flock.
  84  */
  85
  86 #ifndef __mips64
  87
  88 typedef struct flock {
  89         short   l_type;
  90         short   l_whence;
  91         __kernel_off_t l_start;
  92         __kernel_off_t l_len;
  93         long    l_sysid;
  94         __kernel_pid_t l_pid;
  95         long    pad[4];
  96 } flock_t;
  97
  98 typedef struct flock64 {
  99         short   l_type;
 100         short   l_whence;
 101         loff_t  l_start;
 102         loff_t  l_len;
 103         pid_t   l_pid;
 104 } flock64_t;
 105
 106 #else /* 64-bit definitions */
 107
 108 typedef struct flock {
 109         short   l_type;
 110         short   l_whence;
 111         __kernel_off_t l_start;
 112         __kernel_off_t l_len;
 113         __kernel_pid_t l_pid;
 114 } flock_t;
 115
 116 #ifdef __KERNEL__
 117 #define flock64         flock
 118 #endif
 119
 120 #endif
 121
 122 #define F_LINUX_SPECIFIC_BASE   1024
 123
 124 #endif /* _ASM_FCNTL_H */