X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=Foreign.hs;h=5976c2098537f8a5d03f9d63fdeb38fdc2a08b18;hb=018990d5f5d8adc73cd1dfab0fad2f8a6aa9bd2d;hp=622ec9332a7a5418840257a163961ccd3511009a;hpb=d505d74452a79d349876bb31bf0a7003f3f203a0;p=ghc-base.git

diff --git a/Foreign.hs b/Foreign.hs
index 622ec93..5976c20 100644
--- a/Foreign.hs
+++ b/Foreign.hs
@@ -24,8 +24,10 @@ module Foreign
         , module Foreign.Storable
         , module Foreign.Marshal
 
-        -- | For compatibility with the FFI addendum only.  The recommended
-        -- place to get this from is "System.IO.Unsafe".
+        -- | 'unsafePerformIO' is exported here for backwards
+        -- compatibility reasons only.  For doing local marshalling in
+        -- the FFI, use 'unsafeLocalState'.  For other uses, see
+        -- 'System.IO.Unsafe.unsafePerformIO'.
         , unsafePerformIO
         ) where