Bug#486069: perl: embedding perl hangs on hppa without PERL_SYS_INIT3() since 5.10.0

Russ Allbery rra at stanford.edu
Sat Jun 28 01:05:08 UTC 2008

Julien ÉLIE <julien at trigofacile.com> writes:

> According to
>    http://perldoc.perl.org/perlembed.html
> there is also PERL_SYS_TERM() to add after having closed the Perl
> interpreter.


> As for PERL_SYS_INIT3(), I do not know whether it is really necessary
> for us and if we also need to use it during the execution of the code.
> There are perl_call_argv() calls for instance with arguments.

I'm fairly sure that you only have to call it once when you first
initialize the Perl interpretor.  It should be called before perl_alloc.

> I can apply something like that.  Please tell me if it looks fine.

Looks good to me.

> void PERLsetup (char *startupfile, char *filterfile, const char *function)
> {
>     if (PerlCode == NULL) {
> +        int argc = 5;
> +        const char *argv[] = { "innd",
> +                         "-e", "sub _load_ { do $_[0] }",
> +                         "-e", "sub _eval_ { eval $_[0] }",
> +                         NULL };

This stuff is a hack that isn't actually necessary, incidentally.  eval_pv
is the right way to call arbitrary Perl code and will let us call do and
eval directly.  I never got around rewriting things to use that, though.

Russ Allbery (rra at stanford.edu)             <http://www.eyrie.org/~eagle/>

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