1  /*
 2   * Mach Operating System
 3   * Copyright (c) 1991 Carnegie Mellon University
 4   * All Rights Reserved.
 5   * 
 6   * Permission to use, copy, modify and distribute this software and its
 7   * documentation is hereby granted, provided that both the copyright
 8   * notice and this permission notice appear in all copies of the
 9   * software, derivative works or modified versions, and any portions
10   * thereof, and that both notices appear in supporting documentation.
11   * 
12   * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
13   * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
14   * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
15   * 
16   * Carnegie Mellon requests users of this software to return to
17   * 
18   *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
19   *  School of Computer Science
20   *  Carnegie Mellon University
21   *  Pittsburgh PA 15213-3890
22   * 
23   * any improvements or extensions that they make and grant Carnegie Mellon 
24   * the rights to redistribute these changes.
25   */