git-annex/Types/CatFileHandles.hs

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{- git-cat file handles pools
-
- Copyright 2020 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
module Types.CatFileHandles (
CatFileHandles(..),
catFileHandlesNonConcurrent,
catFileHandlesPool,
) where
import Control.Concurrent.STM
import qualified Data.Map as M
import Utility.ResourcePool
import Git.CatFile (CatFileHandle)
data CatFileHandles
= CatFileHandlesNonConcurrent CatMap
| CatFileHandlesPool (TMVar CatMap)
type CatMap = M.Map FilePath (ResourcePool CatFileHandle)
catFileHandlesNonConcurrent :: CatFileHandles
catFileHandlesNonConcurrent = CatFileHandlesNonConcurrent M.empty
catFileHandlesPool :: IO CatFileHandles
catFileHandlesPool = CatFileHandlesPool <$> newTMVarIO M.empty