86 lines
2.1 KiB
C
86 lines
2.1 KiB
C
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/*
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* Copyright (c) 2016 The ZLToolKit project authors. All Rights Reserved.
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*
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* This file is part of ZLToolKit(https://github.com/ZLMediaKit/ZLToolKit).
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*
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* Use of this source code is governed by MIT license that can be found in the
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* LICENSE file in the root of the source tree. All contributing project authors
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* may be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef THREADGROUP_H_
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#define THREADGROUP_H_
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#include <stdexcept>
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#include <thread>
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#include <unordered_map>
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namespace toolkit {
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class thread_group {
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private:
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thread_group(thread_group const &);
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thread_group &operator=(thread_group const &);
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public:
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thread_group() {}
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~thread_group() {
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_threads.clear();
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}
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bool is_this_thread_in() {
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auto thread_id = std::this_thread::get_id();
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if (_thread_id == thread_id) {
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return true;
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}
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return _threads.find(thread_id) != _threads.end();
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}
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bool is_thread_in(std::thread *thrd) {
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if (!thrd) {
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return false;
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}
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auto it = _threads.find(thrd->get_id());
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return it != _threads.end();
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}
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template<typename F>
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std::thread *create_thread(F &&threadfunc) {
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auto thread_new = std::make_shared<std::thread>(std::forward<F>(threadfunc));
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_thread_id = thread_new->get_id();
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_threads[_thread_id] = thread_new;
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return thread_new.get();
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}
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void remove_thread(std::thread *thrd) {
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auto it = _threads.find(thrd->get_id());
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if (it != _threads.end()) {
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_threads.erase(it);
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}
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}
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void join_all() {
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if (is_this_thread_in()) {
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throw std::runtime_error("Trying joining itself in thread_group");
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}
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for (auto &it : _threads) {
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if (it.second->joinable()) {
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it.second->join(); //等待线程主动退出
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}
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}
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_threads.clear();
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}
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size_t size() {
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return _threads.size();
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}
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private:
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std::thread::id _thread_id;
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std::unordered_map<std::thread::id, std::shared_ptr<std::thread>> _threads;
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};
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} /* namespace toolkit */
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#endif /* THREADGROUP_H_ */
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