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Diffstat (limited to 'libraries/ghc-boot/GHC/PackageDb.hs')
| -rw-r--r-- | libraries/ghc-boot/GHC/PackageDb.hs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libraries/ghc-boot/GHC/PackageDb.hs b/libraries/ghc-boot/GHC/PackageDb.hs index c7984d0edb..31073711d4 100644 --- a/libraries/ghc-boot/GHC/PackageDb.hs +++ b/libraries/ghc-boot/GHC/PackageDb.hs @@ -387,6 +387,8 @@ decodeFromFile :: FilePath -> DbOpenMode mode t -> Get pkgs -> IO (pkgs, DbOpenMode mode PackageDbLock) decodeFromFile file mode decoder = case mode of DbOpenReadOnly -> do + -- Note [Locking package database on Windows] + -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- When we open the package db in read only mode, there is no need to acquire -- shared lock on non-Windows platform because we update the database with an -- atomic rename, so readers will always see the database in a consistent |