8187443: Forest Consolidation: Move files to unified layout
Reviewed-by: darcy, ihse
/*
* Copyright (c) 2015, 2016, 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
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*/
#ifndef SHARE_VM_RUNTIME_SEMAPHORE_HPP
#define SHARE_VM_RUNTIME_SEMAPHORE_HPP
#include "memory/allocation.hpp"
#if defined(LINUX) || defined(SOLARIS) || defined(AIX)
# include "semaphore_posix.hpp"
#elif defined(BSD)
# include "semaphore_bsd.hpp"
#elif defined(_WINDOWS)
# include "semaphore_windows.hpp"
#else
# error "No semaphore implementation provided for this OS"
#endif
// Implements the limited, platform independent Semaphore API.
class Semaphore : public CHeapObj<mtInternal> {
SemaphoreImpl _impl;
// Prevent copying and assignment of Semaphore instances.
Semaphore(const Semaphore&);
Semaphore& operator=(const Semaphore&);
public:
Semaphore(uint value = 0) : _impl(value) {}
~Semaphore() {}
void signal(uint count = 1) { _impl.signal(count); }
void wait() { _impl.wait(); }
bool trywait() { return _impl.trywait(); }
};
#endif // SHARE_VM_RUNTIME_SEMAPHORE_HPP