1 /* 2 * Copyright (c) 2015, 2017, 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 #ifndef SHARE_GC_Z_ZDRIVER_HPP 25 #define SHARE_GC_Z_ZDRIVER_HPP 26 27 #include "gc/shared/concurrentGCThread.hpp" 28 #include "gc/shared/gcCause.hpp" 29 #include "gc/z/zMessagePort.hpp" 30 31 class ZOperationClosure; 32 33 class ZDriver : public ConcurrentGCThread { 34 private: 35 ZMessagePort<GCCause::Cause> _gc_cycle_port; 36 ZRendezvousPort _gc_locker_port; 37 38 bool vm_operation(ZOperationClosure* cl); 39 40 GCCause::Cause start_gc_cycle(); 41 void run_gc_cycle(GCCause::Cause cause); 42 void end_gc_cycle(); 43 44 protected: 45 virtual void run_service(); 46 virtual void stop_service(); 47 48 public: 49 ZDriver(); 50 51 void collect(GCCause::Cause cause); 52 }; 53 54 #endif // SHARE_GC_Z_ZDRIVER_HPP