01: /*
02: * Distributed as part of c3p0 v.0.9.1.2
03: *
04: * Copyright (C) 2005 Machinery For Change, Inc.
05: *
06: * Author: Steve Waldman <swaldman@mchange.com>
07: *
08: * This library is free software; you can redistribute it and/or modify
09: * it under the terms of the GNU Lesser General Public License version 2.1, as
10: * published by the Free Software Foundation.
11: *
12: * This software is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: * GNU Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public License
18: * along with this software; see the file LICENSE. If not, write to the
19: * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20: * Boston, MA 02111-1307, USA.
21: */
22:
23: package com.mchange.v2.lang;
24:
25: public final class ThreadGroupUtils {
26: public static ThreadGroup rootThreadGroup() {
27: ThreadGroup tg = Thread.currentThread().getThreadGroup();
28: ThreadGroup ptg = tg.getParent();
29: while (ptg != null) {
30: tg = ptg;
31: ptg = tg.getParent();
32: }
33: return tg;
34: }
35:
36: private ThreadGroupUtils() {
37: }
38: }
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