the begginning

utils/threadpool/wtp.cpp

@@ -0,0 +1,85 @@
+/* Copyright (C) 2014 InfiniDB, Inc.
+
+   This program 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; version 2 of
+   the License.
+
+   This program 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 this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA. */
+
+
+#include <string>
+#include <stdexcept>
+#include <iostream>
+#include <fstream>
+using namespace std;
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <boost/thread.hpp>
+#include <boost/scoped_ptr.hpp>
+#include <boost/scoped_array.hpp>
+#include <boost/shared_ptr.hpp>
+
+#include "weightedthreadpool.h"
+
+int thecount = 0;
+boost::mutex mutex;
+
+    // Functor class
+struct foo
+{
+        void operator ()()
+        {
+            for (int i = 0; i < 1024*1024*10; i++)
+                // simulate some work
+                fData++;
+
+            //boost::mutex::scoped_lock lock(mutex);
+            //std::cout << "foo count = " << ++thecount << " " << fData << std::endl;
+        }
+
+        foo(int i):
+                fData(i)
+    {}
+
+        foo(const foo& copy)
+                : fData(copy.fData)
+        {}
+
+        int fData;
+
+};
+
+
+
+int main( int argc, char **argv)
+{
+   threadpool::WeightedThreadPool pool( 100, 10, 5 );
+
+   for (int y = 0; y < 10; y++)
+   {
+        foo bar(y);
+
+        for (int i = 0; i < 10; ++i)
+        {
+           pool.invoke(bar, 25);
+        }
+
+        boost::mutex::scoped_lock lock(mutex);
+        std::cout << "count = " << ++thecount << std::endl;
+		
+        // Wait until all of the queued up and in-progress work has finished
+        pool.wait();
+        pool.dump();
+   }
+
+}