1 /* 2 * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef SHARE_GC_SHARED_CONCURRENTGCTHREAD_HPP 26 #define SHARE_GC_SHARED_CONCURRENTGCTHREAD_HPP 27 28 #include "runtime/thread.hpp" 29 30 class ConcurrentGCThread: public NamedThread { 31 private: 32 volatile bool _should_terminate; 33 volatile bool _has_terminated; 34 35 protected: 36 void create_and_start(ThreadPriority prio = NearMaxPriority); 37 38 virtual void run_service() = 0; 39 virtual void stop_service() = 0; 40 41 public: 42 ConcurrentGCThread(); 43 44 virtual bool is_ConcurrentGC_thread() const { return true; } 45 46 virtual void run(); 47 virtual void stop(); 48 49 bool should_terminate() const; 50 bool has_terminated() const; 51 }; 52 53 #endif // SHARE_GC_SHARED_CONCURRENTGCTHREAD_HPP