mirror of
https://github.com/azerothcore/azerothcore-wotlk.git
synced 2026-01-15 23:00:34 +01:00
116 lines
3.5 KiB
C++
116 lines
3.5 KiB
C++
/*
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* This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "ProcessPriority.h"
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#include "Log.h"
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#ifdef _WIN32 // Windows
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#include <Windows.h>
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#elif defined(__linux__)
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#include <sched.h>
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#include <sys/resource.h>
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#define PROCESS_HIGH_PRIORITY -15 // [-20, 19], default is 0
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#endif
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void SetProcessPriority(std::string const& logChannel, uint32 affinity, bool highPriority)
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{
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///- Handle affinity for multiple processors and process priority
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#ifdef _WIN32 // Windows
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HANDLE hProcess = GetCurrentProcess();
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if (affinity > 0)
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{
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ULONG_PTR appAff;
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ULONG_PTR sysAff;
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if (GetProcessAffinityMask(hProcess, &appAff, &sysAff))
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{
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// remove non accessible processors
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ULONG_PTR currentAffinity = affinity & appAff;
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if (!currentAffinity)
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{
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LOG_ERROR(logChannel, "Processors marked in UseProcessors bitmask (hex) {:x} are not accessible. Accessible processors bitmask (hex): {:x}", affinity, appAff);
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}
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else if (SetProcessAffinityMask(hProcess, currentAffinity))
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{
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LOG_INFO(logChannel, "Using processors (bitmask, hex): {:x}", currentAffinity);
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}
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else
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{
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LOG_ERROR(logChannel, "Can't set used processors (hex): {:x}", currentAffinity);
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}
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}
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}
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if (highPriority)
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{
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if (SetPriorityClass(hProcess, HIGH_PRIORITY_CLASS))
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{
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LOG_INFO(logChannel, "Process priority class set to HIGH");
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}
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else
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{
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LOG_ERROR(logChannel, "Can't set process priority class.");
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}
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}
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#elif defined(__linux__) // Linux
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if (affinity > 0)
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{
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cpu_set_t mask;
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CPU_ZERO(&mask);
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for (unsigned int i = 0; i < sizeof(affinity) * 8; ++i)
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if (affinity & (1 << i))
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{
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CPU_SET(i, &mask);
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}
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if (sched_setaffinity(0, sizeof(mask), &mask))
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{
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LOG_ERROR(logChannel, "Can't set used processors (hex): {:x}, error: {}", affinity, strerror(errno));
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}
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else
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{
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CPU_ZERO(&mask);
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sched_getaffinity(0, sizeof(mask), &mask);
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LOG_INFO(logChannel, "Using processors (bitmask, hex): {:x}", *(__cpu_mask*)(&mask));
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}
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}
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if (highPriority)
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{
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if (setpriority(PRIO_PROCESS, 0, PROCESS_HIGH_PRIORITY))
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{
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LOG_ERROR(logChannel, "Can't set process priority class, error: {}", strerror(errno));
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}
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else
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{
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LOG_INFO(logChannel, "Process priority class set to {}", getpriority(PRIO_PROCESS, 0));
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}
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}
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#else
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// Suppresses unused argument warning for all other platforms
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(void)logChannel;
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(void)affinity;
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(void)highPriority;
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#endif
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}
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