$SIG{CHLD} = $SIG{TERM} = $SIG{INT} = $SIG{__WARN__} = 'DEFAULT';
exec $prog, $call, 'connect';
dbg('cron', "exec '$prog' failed $!");
$SIG{CHLD} = $SIG{TERM} = $SIG{INT} = $SIG{__WARN__} = 'DEFAULT';
exec $prog, $call, 'connect';
dbg('cron', "exec '$prog' failed $!");