#3517: GHC has lots of extra hidden IOErrorType values
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Reporter: duncan | Owner:
Type: bug | Status: new
Priority: normal | Milestone: 7.0.1
Component: libraries/base | Version:
Keywords: | Testcase:
Blockedby: | Difficulty: Unknown
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: None/Unknown
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Changes (by duncan):
* failure: => None/Unknown
Comment:
I've run into this again. `Distribution.TestSuite` needs access to
`IOErrorType(Interrupted)` because it needs to catch all errors that a
test might throw (so it can report how it failed) but we do not want to
catch ^C, so we have to test for `Interrupted` and rethrow in that case.
It's not reasonable that doing so means we have to write non-portable
code.
So what is the solution? That we make IOException a subclass of Exception
with the current fields that the IOException record has, then make all the
various IOErrorTypes into new types that are instances of the new
`IOException` class?
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3517#comment:2>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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