REDACTED-rig/src/backend/common/Thread.h

96 lines
2.8 KiB
C++

/* XMRig
* Copyright (c) 2018-2020 SChernykh <https://github.com/SChernykh>
* Copyright (c) 2016-2020 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/>.
*/
#ifndef XMRIG_THREAD_H
#define XMRIG_THREAD_H
#include "backend/common/interfaces/IWorker.h"
#include <thread>
#ifdef XMRIG_OS_APPLE
# include <pthread.h>
# include <mach/thread_act.h>
#endif
namespace xmrig {
class IBackend;
template<class T>
class Thread
{
public:
XMRIG_DISABLE_COPY_MOVE_DEFAULT(Thread)
inline Thread(IBackend *backend, size_t id, const T &config) : m_id(id), m_config(config), m_backend(backend) {}
# ifdef XMRIG_OS_APPLE
inline ~Thread() { pthread_join(m_thread, nullptr); delete m_worker; }
inline void start(void *(*callback)(void *))
{
if (m_config.affinity >= 0) {
pthread_create_suspended_np(&m_thread, nullptr, callback, this);
mach_port_t mach_thread = pthread_mach_thread_np(m_thread);
thread_affinity_policy_data_t policy = { static_cast<integer_t>(m_config.affinity + 1) };
thread_policy_set(mach_thread, THREAD_AFFINITY_POLICY, reinterpret_cast<thread_policy_t>(&policy), THREAD_AFFINITY_POLICY_COUNT);
thread_resume(mach_thread);
}
else {
pthread_create(&m_thread, nullptr, callback, this);
}
}
# else
inline ~Thread() { m_thread.join(); delete m_worker; }
inline void start(void *(*callback)(void *)) { m_thread = std::thread(callback, this); }
# endif
inline const T &config() const { return m_config; }
inline IBackend *backend() const { return m_backend; }
inline IWorker *worker() const { return m_worker; }
inline size_t id() const { return m_id; }
inline void setWorker(IWorker *worker) { m_worker = worker; }
private:
const size_t m_id = 0;
const T m_config;
IBackend *m_backend;
IWorker *m_worker = nullptr;
#ifdef XMRIG_OS_APPLE
pthread_t m_thread{};
# else
std::thread m_thread;
# endif
};
} // namespace xmrig
#endif /* XMRIG_THREAD_H */