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References:	<pan DOT 2005 DOT 01 DOT 05 DOT 09 DOT 19 DOT 22 DOT 647025 AT hochreiter DOT at> <20050105100830 DOT GB5240 AT cygbert DOT vinschen DOT de>
Date:	Wed, 5 Jan 2005 13:08:34 +0100 (CET)
Subject:	Re: popen() fails while system() works
From:	"Rainer Hochreiter" <rainer AT hochreiter DOT at>
To:	cygwin AT cygwin DOT com
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> On Jan  5 10:19, Rainer Hochreiter wrote:
>> my main program 'mpsvcd.exe' dynamically loads a shared library using
>> dlopen(). one of the functions from this shared library calls popen() to
>> read the standard output from another executable - and this fails with
>> the
>> error messages listed below! using system() instead of popen() to start
>> the executable works fine, except that i can't read it's standard
>> output.
>> what's the difference between using popen() and system() here?
>> under linux popen() works also!
>>
>> any hints?
>
> Did you try to rebase the DLLs?  It looks like an address conflict:
>>
>> C:\cygwin\opt\topcall\bin\mpsvcd.exe (1340): *** unable to remap
>> C:\cygwin\bin\cygintl-2.dll to same address as parent(0x1CC0000) !=
>> 0x1CD0000
>
> See /usr/share/doc/Cygwin/rebase-2.3.README.
>

is this a new package?
didn't find it in my installation, but now I have it ;-)

well, do i have to rebase all DLLs on my installation, or only that
one mentioned by the error message?
won't destroy my installation if doing the wrong thing;-)


-- 
rainer hochreiter             | web:    www.hochreiter.at
lilienfelder str. 43          | e-mail: rainer AT hochreiter DOT at
a-3150 wilhelmsburg / austria | mobile: +43 664 2812175


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