unix-2.8.1.1: POSIX functionality
Copyright(c) Daniel Franke 2007
LicenseBSD-style (see the file libraries/base/LICENSE)
Maintainerlibraries@haskell.org
Stabilityexperimental
Portabilitynon-portable (requires POSIX)
Safe HaskellSafe
LanguageHaskell2010

System.Posix.SharedMem

Description

POSIX shared memory support.

Synopsis

Documentation

data ShmOpenFlags Source #

Constructors

ShmOpenFlags 

Fields

  • shmReadWrite :: Bool

    If true, open the shm object read-write rather than read-only.

  • shmCreate :: Bool

    If true, create the shm object if it does not exist.

  • shmExclusive :: Bool

    If true, throw an exception if the shm object already exists.

  • shmTrunc :: Bool

    If true, wipe the contents of the shm object after opening it.

shmOpen :: String -> ShmOpenFlags -> FileMode -> IO Fd Source #

Open a shared memory object with the given name, flags, and mode.

shmUnlink :: String -> IO () Source #

Delete the shared memory object with the given name.