Copyright	© 2016 Julian Ospald
License	BSD3
Maintainer	Julian Ospald <hasufell@posteo.de>
Stability	experimental
Portability	portable
Safe Haskell	Safe
Language	Haskell2010

System.Posix.FD

Description

Provides an alternative for openFd which gives us more control on what status flags to pass to the low-level open(2) call, in contrast to the unix package.

Synopsis

openFd :: RawFilePath -> OpenMode -> [Flags] -> Maybe FileMode -> IO Fd

Documentation

openFd Source #

Arguments

:: RawFilePath
-> OpenMode
-> [Flags]	status flags of `open(2)`
-> Maybe FileMode	`Just x` => creates the file with the given modes, Nothing => the file must exist.
-> IO Fd

Open and optionally create this file. See Files for information on how to use the FileMode type.

Note that passing Just x as the 4th argument triggers the oCreat status flag, which must be set when you pass in oExcl to the status flags. Also see the manpage for open(2).