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Date:	Thu, 12 Aug 2004 12:44:09 +0200
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin <cygwin AT cygwin DOT com>
Subject:	Re: cygserver shmat
Message-ID:	<20040812104409.GA28756@cygbert.vinschen.de>
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References:	<1092302630 DOT 4368 DOT 3 DOT camel AT bma DOT sysgo DOT com> <20040812093246 DOT GB24822 AT cygbert DOT vinschen DOT de> <1092305627 DOT 4368 DOT 10 DOT camel AT bma DOT sysgo DOT com>
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On Aug 12 12:13, bertrand marquis wrote:
> In fact i wasn't using the SHM_RNd flag.
> 
> In details here is what i do:
> 
> - get a shared segment of with size= SIZE (SIZE multiple of SHMLBA)
> - attach the segment without specifying address and storing the result
> in beginaddress
> - attach the segment again specifying the address: endposition=
> beginaddress + SIZE
> 
> without SHM_RND in the second shmat i've got the error : invalid
> argument
> 
> now that i specifie SHM_RND in the flag i have the error: value to large
> for defined type ....
> 
> any idea ?

Nope.  Not without knowing the actual values.  An strace output of
the affected calls would be good.  Even better, create a simple testcase
which allows to reproduce the behaviour.  Just the minimum of necessary
code.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Co-Project Leader          mailto:cygwin AT cygwin DOT com
Red Hat, Inc.

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