#4514: IO manager can deadlock if a file descriptor is closed behind its back
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Reporter: adept | Owner: bos
Type: bug | Status: patch
Priority: high | Milestone: 7.0.2
Component: Runtime System | Version: 7.0.1
Resolution: | Keywords:
Testcase: | Blockedby:
Difficulty: | Os: Linux
Blocking: | Architecture: Unknown/Multiple
Failure: Incorrect result at runtime |
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Comment(by simonmar):
Replying to [comment:41 igloo]:
> Replying to [comment:37 bos]:
> > Okay, I'll drop the export from {{{Control.Concurrent}}} then. Will
that (and maybe the rename of {{{closeFd}}} pass muster, then?
>
> I'm a little confused. Is `System.Event` meant to be a public, portable
API, or is it a private, GHC internal module?
>
> If the former then I think changes ought to go via the
[http://www.haskell.org/haskellwiki/Library_submissions library
submissions process].
>
> If the latter then I wonder why it is not in the `GHC.*` namespace, and
guarded by `if impl(ghc)` in the Cabal file?
For the time being we should consider it to be in the same class as
`Control.Exception.Base` and `System.Posix.Internals`, i.e. an internal
module on which other stuff depends.
Presumably Bryan and Johan intend it to become a public API. In that
case we should really have a library proposal to make it public; until
then it's an internal API, and the documentation should really make that
clear.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4514#comment:42>
GHC <http://www.haskell.org/ghc/>
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