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