Haskell Core Libraries (unix package) Parent Contents Index

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

Contents

Terminal support Terminal attributes Terminal operations Process groups Testing a file descriptor

Description

POSIX Terminal support

Synopsis

type TerminalAttributes = ForeignPtr CTermios getTerminalAttributes :: Fd -> IO TerminalAttributes data TerminalState = Immediately | WhenDrained | WhenFlushed setTerminalAttributes :: Fd -> TerminalAttributes -> TerminalState -> IO () data TerminalMode = InterruptOnBreak | MapCRtoLF | IgnoreBreak | IgnoreCR | IgnoreParityErrors | MapLFtoCR | CheckParity | StripHighBit | StartStopInput | StartStopOutput | MarkParityErrors | ProcessOutput | LocalMode | ReadEnable | TwoStopBits | HangupOnClose | EnableParity | OddParity | EnableEcho | EchoErase | EchoKill | EchoLF | ProcessInput | ExtendedFunctions | KeyboardInterrupts | NoFlushOnInterrupt | BackgroundWriteInterrupt withoutMode :: TerminalAttributes -> TerminalMode -> TerminalAttributes withMode :: TerminalAttributes -> TerminalMode -> TerminalAttributes terminalMode :: TerminalMode -> TerminalAttributes -> Bool bitsPerByte :: TerminalAttributes -> Int withBits :: TerminalAttributes -> Int -> TerminalAttributes data ControlCharacter = EndOfFile | EndOfLine | Erase | Interrupt | Kill | Quit | Start | Stop | Suspend controlChar :: TerminalAttributes -> ControlCharacter -> Maybe Char withCC :: TerminalAttributes -> (ControlCharacter, Char) -> TerminalAttributes withoutCC :: TerminalAttributes -> ControlCharacter -> TerminalAttributes inputTime :: TerminalAttributes -> Int withTime :: TerminalAttributes -> Int -> TerminalAttributes minInput :: TerminalAttributes -> Int withMinInput :: TerminalAttributes -> Int -> TerminalAttributes data BaudRate = B0 | B50 | B75 | B110 | B134 | B150 | B200 | B300 | B600 | B1200 | B1800 | B2400 | B4800 | B9600 | B19200 | B38400 inputSpeed :: TerminalAttributes -> BaudRate withInputSpeed :: TerminalAttributes -> BaudRate -> TerminalAttributes outputSpeed :: TerminalAttributes -> BaudRate withOutputSpeed :: TerminalAttributes -> BaudRate -> TerminalAttributes sendBreak :: Fd -> Int -> IO () drainOutput :: Fd -> IO () data QueueSelector = InputQueue | OutputQueue | BothQueues discardData :: Fd -> QueueSelector -> IO () data FlowAction = SuspendOutput | RestartOutput | TransmitStop | TransmitStart controlFlow :: Fd -> FlowAction -> IO () getTerminalProcessGroupID :: Fd -> IO ProcessGroupID setTerminalProcessGroupID :: Fd -> ProcessGroupID -> IO () queryTerminal :: Fd -> IO Bool getTerminalName :: Fd -> IO FilePath getControllingTerminalName :: IO FilePath

Terminal support

Terminal attributes

type TerminalAttributes = ForeignPtr CTermios

getTerminalAttributes :: Fd -> IO TerminalAttributes

data TerminalState

Constructors Immediately WhenDrained WhenFlushed

setTerminalAttributes :: Fd -> TerminalAttributes -> TerminalState -> IO ()

data TerminalMode

Constructors InterruptOnBreak MapCRtoLF IgnoreBreak IgnoreCR IgnoreParityErrors MapLFtoCR CheckParity StripHighBit StartStopInput StartStopOutput MarkParityErrors ProcessOutput LocalMode ReadEnable TwoStopBits HangupOnClose EnableParity OddParity EnableEcho EchoErase EchoKill EchoLF ProcessInput ExtendedFunctions KeyboardInterrupts NoFlushOnInterrupt BackgroundWriteInterrupt

withoutMode :: TerminalAttributes -> TerminalMode -> TerminalAttributes

withMode :: TerminalAttributes -> TerminalMode -> TerminalAttributes

terminalMode :: TerminalMode -> TerminalAttributes -> Bool

bitsPerByte :: TerminalAttributes -> Int

withBits :: TerminalAttributes -> Int -> TerminalAttributes

data ControlCharacter

Constructors EndOfFile EndOfLine Erase Interrupt Kill Quit Start Stop Suspend

controlChar :: TerminalAttributes -> ControlCharacter -> Maybe Char

withCC :: TerminalAttributes -> (ControlCharacter, Char) -> TerminalAttributes

withoutCC :: TerminalAttributes -> ControlCharacter -> TerminalAttributes

inputTime :: TerminalAttributes -> Int

withTime :: TerminalAttributes -> Int -> TerminalAttributes

minInput :: TerminalAttributes -> Int

withMinInput :: TerminalAttributes -> Int -> TerminalAttributes

data BaudRate

Constructors B0 B50 B75 B110 B134 B150 B200 B300 B600 B1200 B1800 B2400 B4800 B9600 B19200 B38400

inputSpeed :: TerminalAttributes -> BaudRate

withInputSpeed :: TerminalAttributes -> BaudRate -> TerminalAttributes

outputSpeed :: TerminalAttributes -> BaudRate

withOutputSpeed :: TerminalAttributes -> BaudRate -> TerminalAttributes

Terminal operations

sendBreak :: Fd -> Int -> IO ()

drainOutput :: Fd -> IO ()

data QueueSelector

Constructors InputQueue OutputQueue BothQueues

discardData :: Fd -> QueueSelector -> IO ()

data FlowAction

Constructors SuspendOutput RestartOutput TransmitStop TransmitStart

controlFlow :: Fd -> FlowAction -> IO ()

Process groups

getTerminalProcessGroupID :: Fd -> IO ProcessGroupID

setTerminalProcessGroupID :: Fd -> ProcessGroupID -> IO ()

Testing a file descriptor

queryTerminal :: Fd -> IO Bool

getTerminalName :: Fd -> IO FilePath

getControllingTerminalName :: IO FilePath

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