/**
* Method to return the exit code of a terminated child process.
*
* @param integer $status The status parameter is the status parameter supplied to a successful call to pcntl_waitpid().
*
* @return integer The child process exit code.
*
* @see pcntl_wexitstatus()
* @since 1.7.3
*/
protected function pcntlChildExitStatus($status)
{
return pcntl_wexitstatus($status);
}