Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com Message-ID: <30305.193.16.155.145.1104926914.squirrel@193.16.155.145> In-Reply-To: <20050105100830.GB5240@cygbert.vinschen.de> References: <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" To: cygwin AT cygwin DOT com User-Agent: SquirrelMail/1.4.3a-0.f0.9.1.legacy MIME-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-IsSubscribed: yes > 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 -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/