#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:43 tibbe]:
> It was indeed intended to be public, but I was forced to rely on a bunch
of GHC specific modules rather than portable ones in order to break some
cyclic dependencies. If those dependencies could be broken in a different
way, the API would be truly portable again and perhaps then we could make
a library proposal to make it more official. If someone feel like putting
a warning about the library being GHC only in `System.Event.Manager`, go
ahead.
The fact that the implementation of `System.Event` is stuck in base due to
recursive dependencies is really just an implementation detail, it doesn't
affect whether the ''API'' is portable.
One way to go would be to put the implementation in
`System.Event.Internals` in base, and have a separate package that re-
exports the public API.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4514#comment:45>
GHC <http://www.haskell.org/ghc/>
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