Posixutil.ProcessClasses

ProcessClasses describes some classes which tools encapsulating processes may instance.

Documentation

type ToolStatus = Maybe ExitCode

class Tool t where

Methods

getToolStatus :: t -> IO ToolStatus

Instances

Tool ChildProcess

class SingleInstanceTool t where

Methods

getToolInstance :: IO t

class Tool t => CommandTool t where

Methods

evalCmd :: String -> t -> IO String

execCmd :: String -> t -> IO ()

execOneWayCmd :: String -> t -> IO ()