src/jdk.packager/share/native/library/common/Lock.h
author herrick
Wed, 17 Oct 2018 13:50:11 -0400
branchJDK-8200758-branch
changeset 56982 e094d5483bd6
parent 56854 aedce3eaaf17
permissions -rw-r--r--
8212048: Cleanup source code and fix issues discussed in preliminary review Reviewed-by: almatvee
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/*
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 * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Oracle designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Oracle in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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#ifndef LOCK_H
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#define LOCK_H
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#include "Platform.h"
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#ifdef POSIX
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#include <pthread.h>
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#endif //POSIX
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class Lock {
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private:
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#ifdef WINDOWS
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    CRITICAL_SECTION FCriticalSection;
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#endif //WINDOWS
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#ifdef POSIX
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    pthread_mutex_t FMutex;
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#endif //POSIX
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    void Initialize();
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public:
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    Lock(void);
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    Lock(bool Value);
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    ~Lock(void);
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    void Enter();
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    void Leave();
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    bool TryEnter();
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};
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#endif // LOCK_H