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tdlib-fork/tdutils/td/utils/port/detail/ThreadStl.h
Arseny Smirnov c4b18325b9 Thread: detach
GitOrigin-RevId: 92efe8bfc3052cc9b0b75895c6a6510be8eb8fcd
2018-09-11 17:55:00 +03:00

69 lines
1.7 KiB
C++

//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#pragma once
#include "td/utils/port/config.h"
#ifdef TD_THREAD_STL
#include "td/utils/common.h"
#include "td/utils/invoke.h"
#include "td/utils/port/detail/ThreadIdGuard.h"
#include "td/utils/port/thread_local.h"
#include <thread>
#include <tuple>
#include <type_traits>
#include <utility>
namespace td {
namespace detail {
class ThreadStl {
public:
ThreadStl() = default;
ThreadStl(const ThreadStl &other) = delete;
ThreadStl &operator=(const ThreadStl &other) = delete;
ThreadStl(ThreadStl &&) = default;
ThreadStl &operator=(ThreadStl &&) = default;
~ThreadStl() = default;
template <class Function, class... Args>
explicit ThreadStl(Function &&f, Args &&... args) {
thread_ = std::thread([args = std::make_tuple(decay_copy(std::forward<Function>(f)),
decay_copy(std::forward<Args>(args))...)]() mutable {
ThreadIdGuard thread_id_guard;
invoke_tuple(std::move(args));
clear_thread_locals();
});
}
void join() {
thread_.join();
}
void detach() {
thread_.detach();
}
static unsigned hardware_concurrency() {
return std::thread::hardware_concurrency();
}
using id = std::thread::id;
private:
std::thread thread_;
template <class T>
std::decay_t<T> decay_copy(T &&v) {
return std::forward<T>(v);
}
};
namespace this_thread_stl = std::this_thread;
} // namespace detail
} // namespace td
#endif