Thread pool implementation

lib/Core/ThreadPool.hpp

@@ -0,0 +1,54 @@
+/*
+ * ThreadPool.hpp, part of LatAnalyze 3
+ *
+ * Copyright (C) 2013 - 2021 Antonin Portelli
+ *
+ * LatAnalyze 3 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.
+ *
+ * LatAnalyze 3 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 LatAnalyze 3.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef Latan_ThreadPool_hpp_
+#define Latan_ThreadPool_hpp_
+
+#include <LatAnalyze/Global.hpp>
+
+class ThreadPool
+{
+public:
+    typedef std::function<void(void)> Job;
+public:
+    // constructors/destructor
+    ThreadPool(void);
+    ThreadPool(const unsigned int nThreads);
+    virtual ~ThreadPool(void);
+    // get the number of threads
+    unsigned int getThreadNum(void) const;
+    // get the pool mutex for synchronisation
+    std::mutex & getMutex(void);
+    // add jobs
+    void addJob(Job newJob);
+    // wait for completion and terminate
+    void terminate(void);
+private:
+    // worker loop
+    void workerLoop(void);
+private:
+    unsigned int             nThreads_;
+    std::condition_variable  condition_;
+    std::vector<std::thread> threads_;
+    bool                     terminatePool_{false};
+    std::queue<Job>          queue_;
+    std::mutex               mutex_;
+};
+
+#endif