LXR linux/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/* for F_[GET|SET]FL */
  78#define FD_CLOEXEC      1       /* actually anything with low bit set goes */
  79
  80/* for posix fcntl() and lockf() */
  81#ifndef F_RDLCK
  82#define F_RDLCK         0
  83#define F_WRLCK         1
  84#define F_UNLCK         2
  85#endif
  86
  87/* for old implementation of bsd flock () */
  88#ifndef F_EXLCK
  89#define F_EXLCK         4       /* or 3 */
  90#define F_SHLCK         8       /* or 4 */
  91#endif
  92
  93/* for leases */
  94#ifndef F_INPROGRESS
  95#define F_INPROGRESS    16
  96#endif
  97
  98/* operations for bsd flock(), also used by the kernel implementation */
  99#define LOCK_SH         1       /* shared lock */
 100#define LOCK_EX         2       /* exclusive lock */
 101#define LOCK_NB         4       /* or'd with one of the above to prevent
 102                                   blocking */
 103#define LOCK_UN         8       /* remove lock */
 104
 105#define LOCK_MAND       32      /* This is a mandatory flock ... */
 106#define LOCK_READ       64      /* which allows concurrent read operations */
 107#define LOCK_WRITE      128     /* which allows concurrent write operations */
 108#define LOCK_RW         192     /* which allows concurrent read & write ops */
 109
 110#define F_LINUX_SPECIFIC_BASE   1024
 111
 112#ifndef HAVE_ARCH_STRUCT_FLOCK
 113#ifndef __ARCH_FLOCK_PAD
 114#define __ARCH_FLOCK_PAD
 115#endif
 116
 117struct flock {
 118        short   l_type;
 119        short   l_whence;
 120        off_t   l_start;
 121        off_t   l_len;
 122        pid_t   l_pid;
 123        __ARCH_FLOCK_PAD
 124};
 125#endif
 126
 127#ifndef CONFIG_64BIT
 128
 129#ifndef F_GETLK64
 130#define F_GETLK64       12      /*  using 'struct flock64' */
 131#define F_SETLK64       13
 132#define F_SETLKW64      14
 133#endif
 134
 135#ifndef HAVE_ARCH_STRUCT_FLOCK64
 136#ifndef __ARCH_FLOCK64_PAD
 137#define __ARCH_FLOCK64_PAD
 138#endif
 139
 140struct flock64 {
 141        short  l_type;
 142        short  l_whence;
 143        loff_t l_start;
 144        loff_t l_len;
 145        pid_t  l_pid;
 146        __ARCH_FLOCK64_PAD
 147};
 148#endif
 149#endif /* !CONFIG_64BIT */
 150
 151#endif /* _ASM_GENERIC_FCNTL_H */
 152