Qore Programming Language Reference Manual  0.9.4.5
File Open Constants

Variables

const Qore::O_ACCMODE = O_ACCMODE
 Mask for access modes (O_RDONLY|O_WRONLY|O_RDWR)
 
const Qore::O_APPEND = O_APPEND
 Open the file in append mode (append on each write)
 
const Qore::O_CREAT = O_CREAT
 Create the file if it doesn't exist.
 
const Qore::O_DIRECT = O_DIRECT
 direct disk access hint (0 on platforms where this is not available)
 
const Qore::O_DIRECTORY = O_DIRECTORY
 must be a directory (0 on platforms where this is not available)
 
const Qore::O_EXCL = O_EXCL
 Raise an error if used with O_CREAT and the file exists.
 
const Qore::O_NDELAY = O_NDELAY
 synonym for O_NONBLOCK (untested with Qore; 0 on platforms where this is not available)
 
const Qore::O_NOCTTY = O_NOCTTY
 don't allocate controlling tty (0 on platforms where this is not available)
 
const Qore::O_NOFOLLOW = O_NOFOLLOW
 don't follow links (0 on platforms where this is not available)
 
const Qore::O_NONBLOCK = O_NONBLOCK
 non-blocking I/O (untested with Qore; 0 on platforms where this is not available)
 
const Qore::O_RDONLY = O_RDONLY
 Open the file read-only.
 
const Qore::O_RDWR = O_RDWR
 Open for reading and writing.
 
const Qore::O_SYNC = O_SYNC
 synchronized file update option (0 on platforms where this is not available)
 
const Qore::O_TRUNC = O_TRUNC
 Truncate the size to zero.
 
const Qore::O_WRONLY = O_WRONLY
 Open the file write-only.
 

Detailed Description

These are the possible values that can be or'ed together when calling File::open() or File::open2()