System.Lock.FLock

Documentation

withLock :: (MonadIO m, MonadBaseControl IO m) => FilePath -> SharedExclusive -> Block -> m a -> m a

If no file or directory exists at the given path, a file will be created first.

withFdLock :: (MonadIO m, MonadBaseControl IO m) => Fd -> SharedExclusive -> Block -> m a -> m a

lock :: MonadIO m => FilePath -> SharedExclusive -> Block -> m Lock

If no file or directory exists at the given path, a file will be created first.

lockFd :: MonadIO m => Fd -> SharedExclusive -> Block -> m Lock

unlock :: MonadIO m => Lock -> m ()

data SharedExclusive

Constructors

Shared

Exclusive

data Block

Constructors

Block

NoBlock

data Lock