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Postings from February 2003
On söndag, feb 16, 2003, at 19:55 Europe/Stockholm, Nicholas Clark
wrote:
>
>> IMO, unless a system call is invoked, or XS code is invoked, straight
>> Perl should _never_ core dump.
>
> I agree, although we seem to have problems avoiding core dumps
>
> 1: in the regexp engine, due to deep C recursion blowing C's stack
> 2: modifying an array for() is iterating over, due to lack of
> refcounting.
> Consensus seems to be that it's an unacceptable speed hit to
> refcount.
> Problem seems to be that there are subtle ways to indirectly modify
> the
> iteration list when it's syntactically a list, but contains an array
4, sv_free is recursive something like
my $a = \"foo"; for(1..100000) { $a = [$a] }
is prone to segfaulting since there will be a 100 000 sv_free/av_free
combos
Arthur
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