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Date: Wed, 18 Aug 2010 14:28:02 +0400
From: Andrey Repin <anrdaemon AT freemail DOT ru>
Reply-To: Andrey Repin <cygwin AT cygwin DOT com>
Message-ID: <445852471.20100818142802@mtu-net.ru>
To: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>, cygwin AT cygwin DOT com
Subject: Re: cygwin 1.7 lock directory problem
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Greetings, Corinna Vinschen!

>> >>Do you have a series of steps that produces the problem you see?
>> >>
>> >
>> >As I said in previous mail.
>> >1. cd /cygdriver/i    ( I is mounted as a usb-stick)
>> >2.  cd /proc 3.  Use some tools such as Unlocker to check driver I,
>> >Unlocker said driver I is locked by bash.
>> >4. cd /          ( / is at d:\cygwin )
>> >5.  do the same as step 3, driver is not locked by bash.
>> 
>> That's how Cygwin 1.7.5 would work.  I would expect different behavior
>> for 1.7.6.

> No, that's also how 1.7.6 works.  I documented this behaviour in
> path.cc:

>   /* Note that we don't set the dir handle to NULL for virtual paths.
>      The handle is used to generate a stackdump file.  Since we can't
>      create a stackdump in a virtual path, we have at least *some*
>      directory handle to generate the stackdump in.

>      However, note that we have to make sure that we don't use the handle
>      wrongly as soon as we start to use it in other cases as well. */

> Looks like this behaviour is a problem and we should better close the
> old handle.  What to do with the new one?  Just set it to NULL and
> disallow stackdumps as long as we're in a virtual path?  Or set it to
> some well known path, like Cygwin's root?

/var or /tmp would be more sensible.


--
WBR,
 Andrey Repin (anrdaemon AT freemail DOT ru) 18.08.2010, <14:27>

Sorry for my terrible english...


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