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Date:	Wed, 18 Aug 2010 21:51:29 +0800
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Subject:	Re: cygwin 1.7 lock directory problem
From:	Huang Bambo <bambo DOT huang AT gmail DOT com>
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2010/8/18 Eric Blake <eblake AT redhat DOT com>:
> On 08/18/2010 05:08 AM, Corinna Vinschen wrote:
>>>> Looks like this behaviour is a problem and we should better close the
>>>> old handle. =A0What to do with the new one? =A0Just set it to NULL and
>>>> disallow stackdumps as long as we're in a virtual path? =A0Or set it to
>>>> some well known path, like Cygwin's root?
>>>
>>> /var or /tmp would be more sensible.
>>
>> Maybe, but it also costs time. =A0/var and /tmp Windows paths have to be
>> generated by a full path conversion every time you call chdir() to a
>> virtual directory.
>> The Cygwin installation path (aka the root dir) is just available.
>
> Using / as the fallback during a virtual directory makes sense to me
> (there may be other permission problems if / is not writable by the
> current user, but a stack dump is a best effort attempt anyways).
>
Even in linux, you can't generate core file in virtual directory also,
so just don't generate core file if you can't write at anywhere.

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