Just for example's sake, something like this? 
sub install_handler {
  my ($sig, $subref) = @_;
  my $original = $SIG{$sig} || sub{};
  $SIG{$sig} = sub {
    $subref->();
    $original->();
  }
}

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In reply to Re^2: Signal handling in embedded Perl ? by jdrago_999
in thread Signal handling in embedded Perl ? by renodino

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