GAP Forum,

On Mon, 3 Apr 2000, Frank Heckenbach wrote:

after upgrading to gap4r2, I'm having problems with the `Process'
function under Solaris. The following command (just like any other
call) returns -1, though it should return 0.

Process (DirectoryCurrent (), "/bin/true", \
InputTextFile ("/dev/null"), OutputTextFile ("/dev/null", true), []);

The problem does not seem to exist under Linux.

I noticed the following in the announcement of bugfix 1:

5) A problem with `Exec' on Solaris2.5 (which caused a segmentation fault).

I can confirm that though the segmentation fault problem with Exec and
Process is fixed by fix4r2n1.zoo that indeed (testing Solaris 2.5/
IRIX 6.5/Linux):

With: GAP4, Version: 4r2 fix1 of 17-Mar-2000, sparc-sun-solaris2.5-gcc

gap> Process (DirectoryCurrent (), "/bin/true", \
> InputTextFile ("/dev/null"), OutputTextFile ("/dev/null", true), []);
-1

... whereas,
With: GAP4, Version: 4r2 fix1 of 17-Mar-2000, mips-sgi-irix6.5-cc-64

gap> Process (DirectoryCurrent (), "/bin/true", \
> InputTextFile ("/dev/null"), OutputTextFile ("/dev/null", true), []);
0

... and
With: GAP4, Version: 4r2 fix1 of 17-Mar-2000, i586-pc-linux-gnu-gcc

gap> Process (DirectoryCurrent (), "/bin/true", \
> InputTextFile ("/dev/null"), OutputTextFile ("/dev/null", true), []);
0

  Regards,
  Greg Gamble
___________________________________________________________________
Greg Gamble   __________________        mailto:gregg@csee.uq.edu.au
Centre for Discrete Mathematics & Computing    Tel: +61-7 336 52425
Department of Computer Science                 Fax: +61-7 336 54999
      & Electrical Engineering     http://www.csee.uq.edu.au/~gregg
The University of Queensland, Queensland 4072 AUSTRALIA
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