check for ClosedHandle in read/write operations on DuplexHandles (#4808)
[ghc-base.git] / GHC / IO / Handle /
drwxr-xr-x   ..
-rw-r--r-- 10013 FD.hs
-rw-r--r-- 169 FD.hs-boot
-rw-r--r-- 32171 Internals.hs
-rw-r--r-- 36905 Text.hs
-rw-r--r-- 16228 Types.hs