#3231: Permission denied error with runProcess/openFile
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Reporter: NeilMitchell | Owner:
Type: bug | Status: new
Priority: normal | Milestone: 6.10.4
Component: Runtime System | Version: 6.10.2
Severity: major | Resolution:
Keywords: | Difficulty: Unknown
Testcase: | Os: Windows
Architecture: Unknown/Multiple |
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Comment (by simonmar):
Replying to [comment:20 NeilMitchell]:
> So, to clarify:
>
> * What is the effect of {{{close_fds}}} on Windows?
If you use `close_fds` and do not redirect stdin, stdout or stderr, then
the child will not inherit any `HANDLE`s from the child. If you do
redirect one or more standard handles, then `HANDLE`s created other than
by `System.IO` and `System.Process` functions might be inherited,
depending on how they were created.
> * If I redirect stdout and stdin to handles, will this bug still occur?
Not with respect to `HANDLE`s created by `System.IO` and `System.Process`,
but it might occur if you manage to create `HANDLE`s using some other
library. In that case you'll have to talk to the maintainer of said
library and ask them to create their `HANDLE`s non-inheritable, or
otherwise use Vista and wait until we implement the Vista-specific support
for `close_fds`.
Ok, everybody clear now? :)
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3231#comment:21>
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