Re: closing extra fd's in gnome_execute_*

[Manish Vachharajani <mvachhar vger rutgers edu>]

On Mon, 11 Jan 1999, Elliot Lee wrote:

> On 11 Jan 1999, Martin Baulig wrote:
> 
> > Elliot Lee <sopwith@redhat.com> writes:
> > 
> > > On 10 Jan 1999, Martin Baulig wrote:
> > > 
> > > > Well, if I understand this correctly, any program expecting any other file
> > > > descriptor than 0, 1 or 2 open won't work when invoked in the shell for
> > > > most people (don't know - is something like `foo 5<bar' valid shell syntax?).
> > > 
> > > Yes. configure scripts depend on this working.
> > 
> > Well, is this really an issue for gnome_execute_* () ? Normally configure
> > scripts are invoked in a shell like bash, the shell opens the file
> > descriptors and passes them to the configure scripts - but when do one
> > use gnome_execute to invoke a configure script ?
> 
> The problem occurs when a program that has many fd's open runs a shell
> script. configure scripts were given as examples of programs that use a
> lot of fd's and run shell scripts.
> 
> The issue is not really gnome_execute_*(). It is Manish trying to do bad,
> non-scalable hacks to work around bad bash brokenness ;-)

I didn't know about the FD_CLOEXEC flag.  It is the right fix (TM). :)  I
am putting it into the session manager and backing out my broken changes
as I write this.

> 
> -- Elliot
> "In film you will find four basic story lines. Man versus man, man
>  versus nature, nature versus nature, and dog versus vampire."
>     - Steven Spielberg
> 
> 
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Manish Vachharajani               Some Haiku: A crash reduces
<mvachhar@vger.rutgers.edu>                   your expensive computer
                                              to a simple stone - Unknown