forked from lthn/blockchain
62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
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// Copyright (c) 2012-2013 The Cryptonote developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#pragma once
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#include <iostream>
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#ifdef WIN32
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#define NOMINMAX // to suppress min and max macros in windows headers
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#include <windows.h>
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#else
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#include <sched.h>
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#include <pthread.h>
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#endif
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void set_process_affinity(int core)
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{
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#if defined(WIN32)
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DWORD_PTR mask = 1;
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for (int i = 0; i < core; ++i)
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{
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mask <<= 1;
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}
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SetProcessAffinityMask(GetCurrentProcess(), core);
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#elif defined(__MACH__)
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//#warning set_process_affinity is not currently supported on MacOS
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#else
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cpu_set_t cpuset;
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CPU_ZERO(&cpuset);
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CPU_SET(core, &cpuset);
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if (0 != pthread_setaffinity_np(pthread_self(), sizeof(cpuset), &cpuset))
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{
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std::cout << "pthread_setaffinity_np - ERROR" << std::endl;
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}
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#endif
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}
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void set_thread_high_priority()
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{
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#if defined(WIN32)
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SetPriorityClass(GetCurrentProcess(), HIGH_PRIORITY_CLASS);
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#elif defined(__MACH__)
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//#warning set_thread_high_priority is not currently supported on MacOS
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#else
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pthread_attr_t attr;
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int policy = 0;
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int max_prio_for_policy = 0;
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pthread_attr_init(&attr);
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pthread_attr_getschedpolicy(&attr, &policy);
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max_prio_for_policy = sched_get_priority_max(policy);
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if (0 != pthread_setschedprio(pthread_self(), max_prio_for_policy))
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{
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std::cout << "pthread_setschedprio - ERROR" << std::endl;
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}
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pthread_attr_destroy(&attr);
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#endif
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}
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