Re: Preventing stack-overflow crashes (improving on

--On Wednesday, December 31, 2003 11:20:49 -0500 Tom Lane
<tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> Gaetano Mendola <mendola(at)bigfoot(dot)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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