git-annex/Utility/LockFile.hs
Joey Hess ecb0d5c087 use lock pools throughout git-annex
The one exception is in Utility.Daemon. As long as a process only
daemonizes once, which seems reasonable, and as long as it avoids calling
checkDaemon once it's already running as a daemon, the fcntl locking
gotchas won't be a problem there.

Annex.LockFile has it's own separate lock pool layer, which has been
renamed to LockCache. This is a persistent cache of locks that persist
until closed.

This is not quite done; lockContent stil needs to be converted.
2015-05-19 14:09:52 -04:00

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Haskell

{- Lock files
-
- Posix and Windows lock files are extremely different.
- This module does *not* attempt to be a portability shim, it just exposes
- the native locking of the OS.
-
- Posix fcntl locks have some gotchas. So, consider using
- Utility.LockPool instead of using this module directly.
-
- Copyright 2014 Joey Hess <id@joeyh.name>
-
- License: BSD-2-clause
-}
{-# LANGUAGE CPP #-}
module Utility.LockFile (module X) where
#ifndef mingw32_HOST_OS
import Utility.LockFile.Posix as X
#else
import Utility.LockFile.Windows as X
#endif