mirror of
https://github.com/mod-playerbots/azerothcore-wotlk.git
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86 lines
2.8 KiB
C++
86 lines
2.8 KiB
C++
/*
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* Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU AGPL v3 license: https://github.com/azerothcore/azerothcore-wotlk/blob/master/LICENSE-AGPL3
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* Copyright (C) 2021+ WarheadCore <https://github.com/WarheadCore>
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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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LOG_ERROR(logChannel, "Processors marked in UseProcessors bitmask (hex) %x are not accessible. Accessible processors bitmask (hex): %x", affinity, appAff);
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else if (SetProcessAffinityMask(hProcess, currentAffinity))
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LOG_INFO(logChannel, "Using processors (bitmask, hex): %x", currentAffinity);
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else
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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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if (highPriority)
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{
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if (SetPriorityClass(hProcess, HIGH_PRIORITY_CLASS))
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LOG_INFO(logChannel, "Process priority class set to HIGH");
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else
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LOG_ERROR(logChannel, "Can't set process priority class.");
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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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CPU_SET(i, &mask);
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if (sched_setaffinity(0, sizeof(mask), &mask))
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LOG_ERROR(logChannel, "Can't set used processors (hex): %x, error: %s", affinity, strerror(errno));
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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): %lx", *(__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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LOG_ERROR(logChannel, "Can't set process priority class, error: %s", strerror(errno));
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else
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LOG_INFO(logChannel, "Process priority class set to %i", getpriority(PRIO_PROCESS, 0));
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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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