#2924: createDirectory: permission denied
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Reporter: simonmar | Owner:
Type: bug | Status: new
Priority: normal | Milestone: 6.12.1
Component: libraries/directory | Version: 6.10.1
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Testcase: | Os: Windows
Architecture: x86 |
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Changes (by simonmar):
* milestone: 6.12 branch => 6.12.1
Comment:
I don't have a good idea how to proceed on this. Can you supply a small
test case based on your scenario that fails?
The only thing I can think of on the GHC side that might be a factor here
is our use of Win32 file sharing: we call `_sopen` with `SH_DENYRW` or
`SH_DENYWR`, which translates into use of the
`FILE_SHARING_READ`/`FILE_SHARING_WRITE` flags to `CreateFile`. This is
to implement the Haskell 98 single-writer multi-reader (mis-)feature.
Look at `libraries/base/includes/HsBase.h`, `__hscore_open()`. Of course
we really ought to be using the Win32 API directly, but that's a separate
issue; using crt functions should work.
Once a Handle has been closed with `hClose` there's nothing left on the
Haskell side of things - the finalizer will run a bit later, but it's a
no-op on closed Handles, and doesn't make any OS calls.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2924#comment:5>
GHC <http://www.haskell.org/ghc/>
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