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64 lines
1.4 KiB
64 lines
1.4 KiB
/* |
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* ZeroTier One - Network Virtualization Everywhere |
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* Copyright (C) 2011-2016 ZeroTier, Inc. https://www.zerotier.com/ |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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#ifndef ZT_BLOCKINGQUEUE_HPP |
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#define ZT_BLOCKINGQUEUE_HPP |
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#include <queue> |
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#include <mutex> |
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#include <condition_variable> |
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namespace ZeroTier { |
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/** |
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* Simple C++11 thread-safe queue |
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* |
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* Do not use in node/ since we have not gone C++11 there yet. |
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*/ |
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template <class T> |
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class BlockingQueue |
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{ |
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public: |
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BlockingQueue(void) {} |
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inline void post(T t) |
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{ |
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std::lock_guard<std::mutex> lock(m); |
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q.push(t); |
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c.notify_one(); |
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} |
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inline T get(void) |
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{ |
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std::unique_lock<std::mutex> lock(m); |
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while(q.empty()) |
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c.wait(lock); |
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T val = q.front(); |
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q.pop(); |
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return val; |
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} |
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private: |
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std::queue<T> q; |
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mutable std::mutex m; |
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std::condition_variable c; |
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}; |
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} // namespace ZeroTier |
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#endif
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