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60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
/* XMRig
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* Copyright 2010 Jeff Garzik <jgarzik@pobox.com>
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* Copyright 2012-2014 pooler <pooler@litecoinpool.org>
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* Copyright 2014 Lucas Jones <https://github.com/lucasjones>
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* Copyright 2014-2016 Wolf9466 <https://github.com/OhGodAPet>
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* Copyright 2016 Jay D Dee <jayddee246@gmail.com>
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* Copyright 2016-2017 XMRig <support@xmrig.com>
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*
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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 3 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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <unistd.h>
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#include <sched.h>
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#include <pthread.h>
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#include "cpu.h"
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struct cpu_info cpu_info = { 0 };
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void cpu_init_common();
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void cpu_init() {
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# ifdef XMRIG_NO_LIBCPUID
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cpu_info.total_logical_cpus = sysconf(_SC_NPROCESSORS_CONF);
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# endif
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cpu_init_common();
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}
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int affine_to_cpu_mask(int id, unsigned long mask)
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{
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cpu_set_t set;
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CPU_ZERO(&set);
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for (unsigned i = 0; i < cpu_info.total_logical_cpus; i++) {
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if (mask & (1UL << i)) {
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CPU_SET(i, &set);
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}
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}
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if (id == -1) {
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sched_setaffinity(0, sizeof(&set), &set);
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} else {
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pthread_setaffinity_np(pthread_self(), sizeof(&set), &set);
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}
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}
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