167 lines
3.9 KiB
C++
167 lines
3.9 KiB
C++
/* XMRig
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* Copyright (c) 2018-2021 SChernykh <https://github.com/SChernykh>
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* Copyright (c) 2016-2021 XMRig <https://github.com/xmrig>, <support@xmrig.com>
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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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#ifdef __FreeBSD__
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# include <sys/types.h>
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# include <sys/param.h>
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# include <sys/cpuset.h>
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# include <pthread_np.h>
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#endif
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#include <pthread.h>
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#include <sched.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/resource.h>
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#include <unistd.h>
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#include <uv.h>
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#include <thread>
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#include <fstream>
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#include <limits>
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#include "base/kernel/Platform.h"
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#include "version.h"
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#ifdef __FreeBSD__
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typedef cpuset_t cpu_set_t;
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#endif
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char *xmrig::Platform::createUserAgent()
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{
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constexpr const size_t max = 256;
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char *buf = new char[max]();
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int length = snprintf(buf, max, "%s/%s (Linux ", APP_NAME, APP_VERSION);
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# if defined(__x86_64__)
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length += snprintf(buf + length, max - length, "x86_64) libuv/%s", uv_version_string());
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# elif defined(__aarch64__)
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length += snprintf(buf + length, max - length, "aarch64) libuv/%s", uv_version_string());
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# elif defined(__arm__)
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length += snprintf(buf + length, max - length, "arm) libuv/%s", uv_version_string());
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# else
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length += snprintf(buf + length, max - length, "i686) libuv/%s", uv_version_string());
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# endif
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# ifdef __clang__
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length += snprintf(buf + length, max - length, " clang/%d.%d.%d", __clang_major__, __clang_minor__, __clang_patchlevel__);
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# elif defined(__GNUC__)
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length += snprintf(buf + length, max - length, " gcc/%d.%d.%d", __GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__);
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# endif
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return buf;
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}
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#ifndef XMRIG_FEATURE_HWLOC
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bool xmrig::Platform::setThreadAffinity(uint64_t cpu_id)
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{
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cpu_set_t mn;
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CPU_ZERO(&mn);
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CPU_SET(cpu_id, &mn);
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# ifndef __ANDROID__
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const bool result = (pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &mn) == 0);
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# else
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const bool result = (sched_setaffinity(gettid(), sizeof(cpu_set_t), &mn) == 0);
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# endif
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std::this_thread::sleep_for(std::chrono::milliseconds(1));
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return result;
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}
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#endif
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void xmrig::Platform::setProcessPriority(int)
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{
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}
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void xmrig::Platform::setThreadPriority(int priority)
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{
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if (priority == -1) {
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return;
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}
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int prio = 19;
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switch (priority)
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{
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case 1:
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prio = 5;
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break;
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case 2:
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prio = 0;
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break;
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case 3:
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prio = -5;
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break;
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case 4:
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prio = -10;
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break;
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case 5:
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prio = -15;
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break;
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default:
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break;
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}
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setpriority(PRIO_PROCESS, 0, prio);
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# ifdef SCHED_IDLE
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if (priority == 0) {
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sched_param param;
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param.sched_priority = 0;
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if (sched_setscheduler(0, SCHED_IDLE, ¶m) != 0) {
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sched_setscheduler(0, SCHED_BATCH, ¶m);
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}
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}
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# endif
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}
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bool xmrig::Platform::isOnBatteryPower()
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{
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for (int i = 0; i <= 1; ++i) {
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char buf[64];
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snprintf(buf, 64, "/sys/class/power_supply/BAT%d/status", i);
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std::ifstream f(buf);
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if (f.is_open()) {
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std::string status;
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f >> status;
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return (status == "Discharging");
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}
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}
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return false;
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}
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uint64_t xmrig::Platform::idleTime()
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{
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return std::numeric_limits<uint64_t>::max();
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}
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