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|
{-# OPTIONS_GHC -fno-warn-deprecations #-}
{-# LANGUAGE CPP #-}
{-# LANGUAGE NoImplicitPrelude #-}
{-# LANGUAGE FlexibleContexts #-}
#if __GLASGOW_HASKELL__ >= 702
{-# LANGUAGE Safe #-}
#endif
{- |
Module : Control.Concurrent.QSem.Lifted
Copyright : Liyang HU, Bas van Dijk
License : BSD-style
Maintainer : Bas van Dijk <v.dijk.bas@gmail.com>
Stability : experimental
This is a wrapped version of "Control.Concurrent.QSem" with types
generalised from 'IO' to all monads in 'MonadBase'.
-}
module Control.Concurrent.QSem.Lifted
( QSem
, newQSem
, waitQSem
, signalQSem
) where
--------------------------------------------------------------------------------
-- Imports
--------------------------------------------------------------------------------
-- from base:
import Control.Concurrent.QSem ( QSem )
import qualified Control.Concurrent.QSem as QSem
import Data.Int ( Int )
import System.IO ( IO )
import Prelude ( (.) )
-- from transformers-base:
import Control.Monad.Base ( MonadBase, liftBase )
#include "inlinable.h"
--------------------------------------------------------------------------------
-- * QSems
--------------------------------------------------------------------------------
-- | Generalized version of 'QSem.newQSem'.
newQSem :: MonadBase IO m => Int -> m QSem
newQSem = liftBase . QSem.newQSem
{-# INLINABLE newQSem #-}
-- | Generalized version of 'QSem.waitQSem'.
waitQSem :: MonadBase IO m => QSem -> m ()
waitQSem = liftBase . QSem.waitQSem
{-# INLINABLE waitQSem #-}
-- | Generalized version of 'QSem.signalQSem'.
signalQSem :: MonadBase IO m => QSem -> m ()
signalQSem = liftBase . QSem.signalQSem
{-# INLINABLE signalQSem #-}
|
