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Duncan Coutts authored
This code is backported from base from ghc-8.2. It will be used as part of the concurrent store updates. It may also be used in future to work around the lack of file locking in ghc-pkg prior to version 8.2.
c1562d55
This code is backported from base from ghc-8.2. It will be used as part of the concurrent store updates. It may also be used in future to work around the lack of file locking in ghc-pkg prior to version 8.2.