How do I detect a script failure in an extension's PHP_RSHUTDOWN_FUNCTION callback?

Hi. There is a bug report for the win32service pecl extension ( https://bugs.php.net/bug.php?id=69170). As a past contributor to this extension, I want to offer some help, even though I'm not on Windows any more (nor have access to a license). What I would like to provide is the ability to detect the nature of the scripts termination (for example, but not limited to, fatal error, unhandled exception, parse error - maybe, exit(n), etc.) Is this possible? If so, some suggestions would be nice. Thanks. Richard. -- Richard Quadling Twitter : @RQuadling