mirror of https://github.com/PCSX2/pcsx2.git
39 lines
1.3 KiB
C++
39 lines
1.3 KiB
C++
/* Cpudetection lib
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* Copyright (C) 2002-2010 PCSX2 Dev Team
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*
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* PCSX2 is free software: you can redistribute it and/or modify it under the terms
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* of the GNU Lesser General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with PCSX2.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "common/RedtapeWindows.h"
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#include "common/emitter/tools.h"
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// --------------------------------------------------------------------------------------
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// Thread Affinity Lock
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// --------------------------------------------------------------------------------------
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// Assign a single CPU/core for this thread's affinity to ensure rdtsc() accuracy.
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// (rdtsc for each CPU/core can differ, causing skewed results)
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class SingleCoreAffinity
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{
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protected:
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#ifdef _WIN32
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HANDLE s_threadId;
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DWORD_PTR s_oldmask;
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#endif
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public:
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SingleCoreAffinity();
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virtual ~SingleCoreAffinity();
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};
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