weis nimmer

FlippR-Driver/src/utilities/BlockingQueue.hpp

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+/*
+ * BlockingQueue.hpp
+ *
+ *  Created on: May 17, 2018
+ *      Author: Andreas Schneider, Johannes Wendel, Jonas Zeunert, Rafael Vinci, Dr. Franca Rupprecht
+ */
+
+#ifndef SRC_UTILITIES_BLOCKINGQUEUE_HPP_
+#define SRC_UTILITIES_BLOCKINGQUEUE_HPP_
+
+#include <mutex>
+#include <condition_variable>
+#include <deque>
+#include <queue>
+
+template <typename T>
+class BlockingQueue
+{
+private:
+    std::mutex              d_mutex;
+    std::condition_variable d_condition;
+    std::priority_queue<T>  d_queue;
+public:
+    void push(T const& value) {
+        {
+            std::unique_lock<std::mutex> lock(this->d_mutex);
+            d_queue.push_front(value);
+        }
+        this->d_condition.notify_one();
+    }
+
+    T pop() {
+        std::unique_lock<std::mutex> lock(this->d_mutex);
+        this->d_condition.wait(lock, [=]{ return !this->d_queue.empty(); });
+        T rc(std::move(this->d_queue.back()));
+        this->d_queue.pop_back();
+        return rc;
+    }
+};
+
+
+
+#endif /* SRC_UTILITIES_BLOCKINGQUEUE_HPP_ */