/*
* Copyright ( c ) 2022 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
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* 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 ) .
*
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* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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#ifndef SHARE_UTILITIES_SYSTEMMEMORYBARRIER_HPP
#define SHARE_UTILITIES_SYSTEMMEMORYBARRIER_HPP
#include "logging/log.hpp"
#include "utilities/globalDefinitions.hpp"
#if defined (LINUX)
#include "systemMemoryBarrier_linux.hpp"
typedef LinuxSystemMemoryBarrier SystemMemoryBarrierDefault;
#elif defined (_WINDOWS)
#include "systemMemoryBarrier_windows.hpp"
typedef WindowsSystemMemoryBarrier SystemMemoryBarrierDefault;
#else
class NoSystemMemoryBarrier {
public :
static bool initialize() {
log_error(os)("SystemMemoryBarrier not supported on this platform" );
return false ;
}
static void emit() {
fatal("No system memory barrier available" );
}
};
typedef NoSystemMemoryBarrier SystemMemoryBarrierDefault;
#endif
template <typename SystemMemoryBarrierImpl>
class SystemMemoryBarrierType : public AllStatic {
public :
static bool initialize() { return SystemMemoryBarrierImpl::initialize(); }
static void emit() { SystemMemoryBarrierImpl::emit(); }
};
typedef SystemMemoryBarrierType<SystemMemoryBarrierDefault> SystemMemoryBarrier;
#endif // SHARE_UTILITIES_SYSTEMMEMORYBARRIER_HPP
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