[Israel.pm] catching segmentation faults and other crashes
tal at musicgenome.com
Mon Nov 12 05:25:43 PST 2007
On Mon, 12 Nov 2007 14:13:37 +0200 (IST)
Yona Shlomo <yona at cs.technion.ac.il> wrote:
> On Mon, 12 Nov 2007, Mikhael Goikhman wrote:
> >> $? didn't do the trick for me for some reason.
> >> I'll probe further and try to figure out why.
> > Are you sure the program actually dumps core? With "limit
> > coredumpsize 0" in a shell (versus "limit coredumpsize unlimited"),
> > there is no core dump and the 7-th bit of $? is always zero (the
> > "&& 128" check), as expected. But even then, $? is not 0, also as
> > expected. On all unix systems I have.
> I actually don't care if there is a core dump or not.
> I just wanted to know that the tool crashed.
> The fallback is not only to look for nonzero value of $? but
> I might get this triggered also when there is no crash...
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