effects-unix
Safe HaskellNone
LanguageGHC2021

Effects.System.Posix.Signals

Synopsis

Effect

class Monad m => MonadPosixSignals (m :: Type -> Type) where Source #

Class for unix signal effects.

Since: 0.1

Methods

raiseSignal :: Signal -> m () Source #

Since: 0.1

signalProcess :: Signal -> ProcessID -> m () Source #

Since: 0.1

signalProcessGroup :: Signal -> ProcessGroupID -> m () Source #

Since: 0.1

installHandler :: Signal -> Handler m -> Maybe SignalSet -> m (Handler m) Source #

Since: 0.1

getSignalMask :: m SignalSet Source #

Since: 0.1

setSignalMask :: SignalSet -> m () Source #

Since: 0.1

blockSignals :: SignalSet -> m () Source #

Since: 0.1

unblockSignals :: SignalSet -> m () Source #

Since: 0.1

scheduleAlarm :: Int -> m Int Source #

Since: 0.1

getPendingSignals :: m SignalSet Source #

Since: 0.1

awaitSignal :: Maybe SignalSet -> m () Source #

Since: 0.1

setStoppedChildFlag :: Bool -> m Bool Source #

Since: 0.1

queryStoppedChildFlag :: m Bool Source #

Since: 0.1

Instances

Instances details
MonadPosixSignals IO Source #

Since: 0.1

Instance details

Defined in Effects.System.Posix.Signals

Methods

raiseSignal :: Signal -> IO () Source #

signalProcess :: Signal -> ProcessID -> IO () Source #

signalProcessGroup :: Signal -> ProcessGroupID -> IO () Source #

installHandler :: Signal -> Handler IO -> Maybe SignalSet -> IO (Handler IO) Source #

getSignalMask :: IO SignalSet Source #

setSignalMask :: SignalSet -> IO () Source #

blockSignals :: SignalSet -> IO () Source #

unblockSignals :: SignalSet -> IO () Source #

scheduleAlarm :: Int -> IO Int Source #

getPendingSignals :: IO SignalSet Source #

awaitSignal :: Maybe SignalSet -> IO () Source #

setStoppedChildFlag :: Bool -> IO Bool Source #

queryStoppedChildFlag :: IO Bool Source #

MonadPosixSignals m => MonadPosixSignals (ReaderT e m) Source #

Since: 0.1

Instance details

Defined in Effects.System.Posix.Signals

Methods

raiseSignal :: Signal -> ReaderT e m () Source #

signalProcess :: Signal -> ProcessID -> ReaderT e m () Source #

signalProcessGroup :: Signal -> ProcessGroupID -> ReaderT e m () Source #

installHandler :: Signal -> Handler (ReaderT e m) -> Maybe SignalSet -> ReaderT e m (Handler (ReaderT e m)) Source #

getSignalMask :: ReaderT e m SignalSet Source #

setSignalMask :: SignalSet -> ReaderT e m () Source #

blockSignals :: SignalSet -> ReaderT e m () Source #

unblockSignals :: SignalSet -> ReaderT e m () Source #

scheduleAlarm :: Int -> ReaderT e m Int Source #

getPendingSignals :: ReaderT e m SignalSet Source #

awaitSignal :: Maybe SignalSet -> ReaderT e m () Source #

setStoppedChildFlag :: Bool -> ReaderT e m Bool Source #

queryStoppedChildFlag :: ReaderT e m Bool Source #

Handler

data Handler (m :: Type -> Type) Source #

Since: 0.1

Constructors

Default 
Ignore 
Catch (m ()) 
CatchOnce (m ()) 
CatchInfo (SignalInfo -> m ()) 
CatchInfoOnce (SignalInfo -> m ()) 

mapHandler :: (forall x. m x -> n x) -> Handler m -> Handler n Source #

handlerToPosix :: Handler IO -> Handler Source #

handlerFromPosix :: Handler -> Handler IO Source #

Re-exports

type Signal = CInt #

data SignalSet #

type ProcessID = CPid #

type ProcessGroupID = CPid #