/* * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ #ifndef SHARE_GC_Z_ZLOCK_HPP #define SHARE_GC_Z_ZLOCK_HPP #include "memory/allocation.hpp" #include class ZLock { private: pthread_mutex_t _lock; public: ZLock(); void lock(); bool try_lock(); void unlock(); }; class ZLocker : public StackObj { private: ZLock* const _lock; public: ZLocker(ZLock* lock); ~ZLocker(); }; #endif // SHARE_GC_Z_ZLOCK_HPP