/* ``The contents of this file are subject to the Erlang Public License,
 * Version 1.1, (the "License"); you may not use this file except in
 * compliance with the License. You should have received a copy of the
 * Erlang Public License along with this software. If not, it can be
 * retrieved via the world wide web at http://www.erlang.org/.
 * 
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
 * the License for the specific language governing rights and limitations
 * under the License.
 * 
 * The Initial Developer of the Original Code is Ericsson Utvecklings AB.
 * Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings
 * AB. All Rights Reserved.''
 * 
 *     $Id$
 */
package com.ericsson.otp.erlang;

final class OtpSystem {

    private static boolean xpidsports;

    static {

	String rel = System.getProperty("OtpCompatRel", "0");

	xpidsports = true;

	try {

	    switch (Integer.parseInt(rel)) {
	    case 1:
	    case 2:
	    case 3:
	    case 4:
	    case 5:
	    case 6:
	    case 7:
	    case 8:
	    case 9:
		xpidsports = false;
		break;
	    case 0:
	    default:
		break;
	    }
	} catch (NumberFormatException e) {
	    /* Ignore ... */
	}

    }

    protected static final boolean useExtendedPidsPorts() {
	return xpidsports;
    }

}
