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|
-----------------------------------------------------------------------------
-- |
-- Module : Control.Parallel
-- Copyright : (c) The University of Glasgow 2001
-- License : BSD-style (see the file libraries/core/LICENSE)
--
-- Maintainer : libraries@haskell.org
-- Stability : experimental
-- Portability : non-portable
--
-- Parallel Constructs
--
-----------------------------------------------------------------------------
module Control.Parallel (
par, seq -- re-exported
#if defined(__GRANSIM__)
, parGlobal, parLocal, parAt, parAtAbs, parAtRel, parAtForNow
#endif
) where
import Prelude
#ifdef __GLASGOW_HASKELL__
import GHC.Conc ( par )
#endif
#if defined(__GRANSIM__)
import PrelBase
import PrelErr ( parError )
import PrelGHC ( parGlobal#, parLocal#, parAt#, parAtAbs#, parAtRel#, parAtForNow# )
{-# INLINE parGlobal #-}
{-# INLINE parLocal #-}
{-# INLINE parAt #-}
{-# INLINE parAtAbs #-}
{-# INLINE parAtRel #-}
{-# INLINE parAtForNow #-}
parGlobal :: Int -> Int -> Int -> Int -> a -> b -> b
parLocal :: Int -> Int -> Int -> Int -> a -> b -> b
parAt :: Int -> Int -> Int -> Int -> a -> b -> c -> c
parAtAbs :: Int -> Int -> Int -> Int -> Int -> a -> b -> b
parAtRel :: Int -> Int -> Int -> Int -> Int -> a -> b -> b
parAtForNow :: Int -> Int -> Int -> Int -> a -> b -> c -> c
parGlobal (I# w) (I# g) (I# s) (I# p) x y = case (parGlobal# x w g s p y) of { 0# -> parError; _ -> y }
parLocal (I# w) (I# g) (I# s) (I# p) x y = case (parLocal# x w g s p y) of { 0# -> parError; _ -> y }
parAt (I# w) (I# g) (I# s) (I# p) v x y = case (parAt# x v w g s p y) of { 0# -> parError; _ -> y }
parAtAbs (I# w) (I# g) (I# s) (I# p) (I# q) x y = case (parAtAbs# x q w g s p y) of { 0# -> parError; _ -> y }
parAtRel (I# w) (I# g) (I# s) (I# p) (I# q) x y = case (parAtRel# x q w g s p y) of { 0# -> parError; _ -> y }
parAtForNow (I# w) (I# g) (I# s) (I# p) v x y = case (parAtForNow# x v w g s p y) of { 0# -> parError; _ -> y }
#endif
-- Maybe parIO and the like could be added here later.
#ifndef __GLASGOW_HASKELL__
-- For now, Hugs does not support par properly.
par a b = b
#endif
|
