/* Cpudetection lib * Copyright (C) 2002-2010 PCSX2 Dev Team * * PCSX2 is free software: you can redistribute it and/or modify it under the terms * of the GNU Lesser General Public License as published by the Free Software Found- * ation, either version 3 of the License, or (at your option) any later version. * * PCSX2 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 for more details. * * You should have received a copy of the GNU General Public License along with PCSX2. * If not, see . */ #pragma once #include "common/RedtapeWindows.h" #include "common/emitter/tools.h" // -------------------------------------------------------------------------------------- // Thread Affinity Lock // -------------------------------------------------------------------------------------- // Assign a single CPU/core for this thread's affinity to ensure rdtsc() accuracy. // (rdtsc for each CPU/core can differ, causing skewed results) class SingleCoreAffinity { protected: #ifdef _WIN32 HANDLE s_threadId; DWORD_PTR s_oldmask; #endif public: SingleCoreAffinity(); virtual ~SingleCoreAffinity(); };