Control.Concurrent.QSem.Lifted

This is a wrapped version of Control.Concurrent.QSem with types generalised from IO to all monads in MonadBase.

Documentation

data QSem

A QSem is a simple quantity semaphore, in which the available "quantity" is always dealt with in units of one.

Instances

Eq QSem

Typeable QSem

newQSem :: MonadBase IO m => Int -> m QSem

Generalized version of newQSem.

waitQSem :: MonadBase IO m => QSem -> m ()

Generalized version of waitQSem.

signalQSem :: MonadBase IO m => QSem -> m ()

Generalized version of signalQSem.