System.IO.RandomAccessFile.Cached

Documentation

data Cached a

Constructors

Cached

Fields

• cBackend :: a
• cCachePageSize :: Size
• cCapacity :: Int
• cCanClose :: TVar Bool
• cCloseLock :: MVar ()
• cCache :: Cache

Instances

FileAccess a => FileAccess (Cached a)

Defined in System.IO.RandomAccessFile.Cached

Associated Types

data AccessParams (Cached a) :: Type

Methods

initFile :: AccessParams (Cached a) -> FilePath -> IO (Cached a)

readBytes :: Cached a -> Offset -> Size -> IO ByteString

writeBytes :: Cached a -> Offset -> ByteString -> IO ()

currentFileSize :: Cached a -> IO Size

syncFile :: Cached a -> IO ()

closeFile :: Cached a -> IO ()

data AccessParams (Cached a)

Defined in System.IO.RandomAccessFile.Cached

data AccessParams (Cached a) = CachedBackend {

• backendParams :: AccessParams a
• cachePageSize :: Size
• cacheCapacity :: Int
• cacheFlushPeriod :: Int

}

data family AccessParams a

Instances

data AccessParams MMaped

Defined in System.IO.RandomAccessFile.MMap

data AccessParams MMaped = MMapedParams Size Bool

data AccessParams Simple

Defined in System.IO.RandomAccessFile.Simple

data AccessParams Simple = SimpleParams

data AccessParams Threaded

Defined in System.IO.RandomAccessFile.Threaded

data AccessParams Threaded = ThreadedParams Size

data AccessParams (Cached a)

Defined in System.IO.RandomAccessFile.Cached

data AccessParams (Cached a) = CachedBackend {

• backendParams :: AccessParams a
• cachePageSize :: Size
• cacheCapacity :: Int
• cacheFlushPeriod :: Int

}

dfltCached :: FileAccess a => AccessParams a -> AccessParams (Cached a)