Did you see the #ifdef __FreeBSD__ in zend.c?
It prevents the SIGFPE if I remember correctly, when we lose precision on
FreeBSD. Maybe this mask can also fix the problems you have of not crashing.
I can't check out the man page right now beause I don't have access to
FreeBSD but it might be doable and would prevent us from searching through
all of the source code.
Andi
At 04:22 PM 3/11/2001 +0200, Alexander Feldman wrote:
>Hello,
>
>There is a bunch of mathematical functions that can generate core dump on
>FreeBSD 3.4 (and on a whole group of other UNIX clones). Take for example
>the following PHP script:
>
><?php
> log(0);
>?>
>
>or
>
><?php
> asin(2);
>?>
>
>and so on...
>
>Obviously we should fix this behavior as there should not be a way for a
>PHP script to crash the process. Here is the question how to do this. One
>approach is to check for out of range value in the PHP functions before
>calling the underlying math procedures. Another approach is to ignore the
>signal (on FreeBSD that is SIGFPE) and manually in the appropriate PHP
>functions to check if an exception flag is raised. Perhaps, there are
>other decisions as well.
>
>Are there any volunteers to write the code or I should take this?
>
>-- Alex
>
>
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