Haskell Core Libraries (unix package) Parent Contents Index

System.Posix.Unistd Portability non-portable (requires POSIX) Stability provisional Maintainer libraries@haskell.org

Contents

System environment Sleeping

Description

POSIX miscellaneous stuff, mostly from unistd.h

Synopsis

data SystemID = SystemID { systemName :: String nodeName :: String release :: String version :: String machine :: String } getSystemID :: IO SystemID data SysVar = ArgumentLimit | ChildLimit | ClockTick | GroupLimit | OpenFileLimit | PosixVersion | HasSavedIDs | HasJobControl getSysVar :: SysVar -> IO Integer sleep :: Int -> IO Int usleep :: Int -> IO ()

System environment

data SystemID

Constructors SystemID systemName :: String nodeName :: String release :: String version :: String machine :: String

getSystemID :: IO SystemID

data SysVar

Constructors ArgumentLimit ChildLimit ClockTick GroupLimit OpenFileLimit PosixVersion HasSavedIDs HasJobControl

getSysVar :: SysVar -> IO Integer

Sleeping

sleep :: Int -> IO Int

usleep :: Int -> IO ()

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