[Gtk-sharp-list] kernel support.

Jonathan Pryor jonpryor@vt.edu
17 Jun 2003 23:34:45 -0400


Surprisingly enough, it *does* handle redirection of standard input
properly.  At least, it does for me. :-)

 - Jon

On Tue, 2003-06-17 at 19:34, George Farris wrote:
> I haven't tried this script yet but does it work properly if you pipe
> some data in on stdio?
> 
> Does the data get passed to your app properly?
> 
> On Tue, 2003-06-17 at 13:45, Jonathan Pryor wrote:
> > There's one problem with your proposed shell wrapper: it doesn't work
> > correctly in the presence of symbolic links, since when invoking the
> > symbolic link "$0" will be the name of the symbolic link, not the name
> > of the *target* of the symbolic link.
> > 
> > MCS has a solution, but it depends on autoconf (mono's scripts/mcs.in
> > file is processed, including the full path to mcs).  As such, it may be
> > undesirable.
> > 
> > So, here's my attempted solution.  It checks for the presence of
> > symlinks, and looks up the target of the symlink (using readlink) if
> > necessary, before passing off the program to mono:
> > 
> >     #!/bin/sh
> >     # Starts a CIL program whose name is patterned after the filename of
> >     # this script.  The CIL program executed is "$0".exe.
> > 
> >     file=$0
> > 
> >     # If file is a symlink, find where it's pointing to
> >     if [ -L $file ] ; then
> >       if ! (readlink -f "$file") > /dev/null 2>&1; then
> >         echo `basename "$0"` ": missing required program readlink!"
> >         exit -1
> >       fi
> >       file=`readlink -f "$file"`
> >     fi
> > 
> >     exec mono "$file.exe" "$@"
> > 
> > Thoughts?
> > 
> >  - Jon
> > 
> > On Tue, 2003-06-17 at 12:51, Dag Wieers wrote:
> > > On 16 Jun 2003, George Farris wrote:
> > > 
> > > > Does anyone know what the plans are for kernel support of mono
> > > > binaries?  Right now a binary mono file shows as:
> > > > 
> > > > MS Windows PE 32-bit Intel 80386 console executable
> > > > 
> > > > This of course, is totally unacceptable on a Linux machine.  I want to
> > > > be able to run my binaries directly instead of through a shell script.
> > > 
> > > This issue is dear to me too.
> > > 
> > > The Debian Mono page indicates there is a workaround. A third binary that 
> > > does a more conclusive check and then starts either mono or wine.
> > > 
> > > Which would mean that the kernel binfmt support has short-comings that can 
> > > only be overcome by doing it in userspace. My first thought is that the 
> > > binfmt_misc kernel-support should be fixed to be more useful.
> > > 
> > > Since there will not be a good solution soon, I would propose the 
> > > following standard (and I took the liberty to add it to the Developer FAQ 
> > > page in the Wiki already).
> > > 
> > > The proposal is to have a shell wrapper with the same name as the .Net 
> > > binary, with the '.exe' part and would consist of the following 2 lines:
> > > 
> > > 	#!/bin/sh
> > > 	exec mono "$0".exe $@
> > > 
> > > Ofcourse we could verify some things in this script (check if mono can be 
> > > called, if the executable exists, etc...) But I would keep it as simple as 
> > > possible, I've tested the output in various circumstances and the 
> > > error-output was in each case very clear about the problem.
> > > 
> > > Kind regards,
> > > --   dag wieers,  dag@wieers.com,  http://dag.wieers.com/   --
> > > [Any errors in spelling, tact or fact are transmission errors]
> > > 
> > > _______________________________________________
> > > Gtk-sharp-list maillist  -  Gtk-sharp-list@lists.ximian.com
> > > http://lists.ximian.com/mailman/listinfo/gtk-sharp-list
> > 
> > _______________________________________________
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