Re: Preventing stack-overflow crashes (improving on

--On Wednesday, December 31, 2003 11:20:49 -0500 Tom Lane
<tgl@sss.pgh.pa.us> wrote:

> Gaetano Mendola <mendola@bigfoot.com> writes:
>> Is ABS enough on a 64-bit architecture ?
>
> That was pseudocode, I wasn't actually planning to rely on a function.
> Something more like
>
>     long    diff;
>
>     diff = stack_base_ptr - &stack_top_loc;
>     if (diff < 0)
>         diff = -diff;
>     if (diff > max)
>         elog ...
>
One archetecture that MIGHT be an issue (It's been 5+ years) is IBM 390
class under Z/OS.  I'm not sure how they do stacks....

LER

>             regards, tom lane
>
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--
Larry Rosenman                     http://www.lerctr.org/~ler
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