xmrig/src/common/Platform_unix.cpp
2018-09-16 03:06:54 +03:00

145 lines
3.4 KiB
C++

/* XMRig
* Copyright 2010 Jeff Garzik <jgarzik@pobox.com>
* Copyright 2012-2014 pooler <pooler@litecoinpool.org>
* Copyright 2014 Lucas Jones <https://github.com/lucasjones>
* Copyright 2014-2016 Wolf9466 <https://github.com/OhGodAPet>
* Copyright 2016 Jay D Dee <jayddee246@gmail.com>
* Copyright 2017-2018 XMR-Stak <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
* Copyright 2016-2018 XMRig <https://github.com/xmrig>, <support@xmrig.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef __FreeBSD__
# include <sys/types.h>
# include <sys/param.h>
# include <sys/cpuset.h>
# include <pthread_np.h>
#endif
#include <pthread.h>
#include <sched.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/resource.h>
#include <unistd.h>
#include <uv.h>
#include "Platform.h"
#include "version.h"
#ifdef XMRIG_NVIDIA_PROJECT
# include "nvidia/cryptonight.h"
#endif
#ifdef __FreeBSD__
typedef cpuset_t cpu_set_t;
#endif
char *Platform::createUserAgent()
{
const size_t max = 160;
char *buf = new char[max];
int length = snprintf(buf, max, "%s/%s (Linux ", APP_NAME, APP_VERSION);
# if defined(__x86_64__)
length += snprintf(buf + length, max - length, "x86_64) libuv/%s", uv_version_string());
# else
length += snprintf(buf + length, max - length, "i686) libuv/%s", uv_version_string());
# endif
# ifdef XMRIG_NVIDIA_PROJECT
const int cudaVersion = cuda_get_runtime_version();
length += snprintf(buf + length, max - length, " CUDA/%d.%d", cudaVersion / 1000, cudaVersion % 100);
# endif
# ifdef __GNUC__
length += snprintf(buf + length, max - length, " gcc/%d.%d.%d", __GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__);
# endif
return buf;
}
bool Platform::setThreadAffinity(uint64_t cpu_id)
{
cpu_set_t mn;
CPU_ZERO(&mn);
CPU_SET(cpu_id, &mn);
# ifndef __ANDROID__
return pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &mn) == 0;
# else
return sched_setaffinity(gettid(), sizeof(cpu_set_t), &mn) == 0;
# endif
}
void Platform::setProcessPriority(int priority)
{
}
void Platform::setThreadPriority(int priority)
{
if (priority == -1) {
return;
}
int prio = 19;
switch (priority)
{
case 1:
prio = 5;
break;
case 2:
prio = 0;
break;
case 3:
prio = -5;
break;
case 4:
prio = -10;
break;
case 5:
prio = -15;
break;
default:
break;
}
setpriority(PRIO_PROCESS, 0, prio);
# ifdef SCHED_IDLE
if (priority == 0) {
sched_param param;
param.sched_priority = 0;
if (sched_setscheduler(0, SCHED_IDLE, &param) != 0) {
sched_setscheduler(0, SCHED_BATCH, &param);
}
}
# endif
}