posix-filelock-0.1: Nice wrapper around POSIX fcntl advisory locks

Safe HaskellSafe-Infered

System.Posix.FileLock

Synopsis

Documentation

lock :: MonadIO m => FilePath -> LockType -> m FileLockSource

Get a lock of the given type on the given path

unlock :: MonadIO m => FileLock -> m ()Source

Release a lock

withLock :: MonadIO m => FilePath -> LockType -> IO a -> m aSource

Gets the lock, executes the IO action, and then releases the lock. Releases the lock even if an exception occurs.

data FileLock Source

data LockType Source

Constructors

ReadLock 
WriteLock 

Instances