+# set CPU limit, in case the alarm handler will
+# be ignored
+eval {
+ require BSD::Resource;
+ BSD::Resource::setrlimit( "RLIMIT_CPU", $timeout, 2 * $timeout )
+ or die "Cannot set CPU limit: $!\n";
+};
+if ($@) {
+ warn
+ "WARNING: things would go more nicely with the BSD::Resource package\n";
+}
+