pcsx2/common/emitter/LnxCpuDetect.cpp

39 lines
1.4 KiB
C++

/* 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 <http://www.gnu.org/licenses/>.
*/
#ifndef _WIN32
#include "common/emitter/cpudetect_internal.h"
#include <unistd.h>
// Note: Apparently this solution is Linux/Solaris only.
// FreeBSD/OsX need something far more complicated (apparently)
void x86capabilities::CountLogicalCores()
{
#ifdef __linux__
// Note : GetCPUCount uses sysconf( _SC_NPROCESSORS_ONLN ) internally, which can return 1
// if sysconf info isn't available (a long standing linux bug). There are no fallbacks or
// alternatives, apparently.
LogicalCores = sysconf(_SC_NPROCESSORS_ONLN);
#else
LogicalCores = 1;
#endif
}
// Not implemented yet for linux (see cpudetect_internal.h for details)
SingleCoreAffinity::SingleCoreAffinity() = default;
SingleCoreAffinity::~SingleCoreAffinity() = default;
#endif