1 files changed, 147 insertions, 0 deletions
diff --git a/src/boost/libs/thread/example/producer_consumer.cpp b/src/boost/libs/thread/example/producer_consumer.cpp
new file mode 100644
index 00000000..73ad04fb
--- /dev/null
+++ b/src/boost/libs/thread/example/producer_consumer.cpp
@@ -0,0 +1,147 @@
+// (C) Copyright 2012 Howard Hinnant
+// (C) Copyright 2012 Vicente Botet
+//
+//  Distributed under the Boost Software License, Version 1.0. (See accompanying
+//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+// adapted from the example given by Howard Hinnant in
+
+#include <boost/config.hpp>
+
+#define BOOST_THREAD_VERSION 4
+#define BOOST_THREAD_QUEUE_DEPRECATE_OLD
+#if ! defined  BOOST_NO_CXX11_DECLTYPE
+#define BOOST_RESULT_OF_USE_DECLTYPE
+#endif
+#include <iostream>
+#include <boost/thread/scoped_thread.hpp>
+#ifdef XXXX
+#include <boost/thread/externally_locked_stream.hpp>
+    typedef  boost::externally_locked_stream<std::ostream> the_ostream;
+#else
+    typedef std::ostream the_ostream;
+    typedef std::istream the_istream;
+#endif
+#include <boost/thread/concurrent_queues/sync_queue.hpp>
+
+void producer(the_ostream & /*mos*/, boost::sync_queue<int> & sbq)
+{
+  using namespace boost;
+  try {
+    for(int i=0; ;++i)
+    {
+      sbq.push(i);
+      //sbq << i;
+      //mos << "push(" << i << ") "<< sbq.size()<<"\n";
+      this_thread::sleep_for(chrono::milliseconds(200));
+    }
+  }
+  catch(sync_queue_is_closed&)
+  {
+    //mos << "closed !!!\n";
+  }
+  catch(...)
+  {
+    //mos << "exception !!!\n";
+  }
+}
+
+void consumer(
+    the_ostream & /*mos*/,
+    boost::sync_queue<int> & sbq)
+{
+  using namespace boost;
+  try {
+    for(int i=0; ;++i)
+    {
+      int r;
+      sbq.pull(r);
+      //sbq >> r;
+      //mos << i << " pull(" << r << ") "<< sbq.size()<<"\n";
+
+      this_thread::sleep_for(chrono::milliseconds(250));
+    }
+  }
+  catch(sync_queue_is_closed&)
+  {
+    //mos << "closed !!!\n";
+  }
+  catch(...)
+  {
+    //mos << "exception !!!\n";
+  }
+}
+void consumer2(the_ostream &/*mos*/, boost::sync_queue<int> & sbq)
+{
+  using namespace boost;
+  try {
+    for(int i=0; ;++i)
+    {
+      int r;
+      queue_op_status st = sbq.try_pull(r);
+      if (queue_op_status::closed == st) break;
+      if (queue_op_status::success == st) {
+        //mos << i << " pull(" << r << ")\n";
+      }
+      this_thread::sleep_for(chrono::milliseconds(250));
+    }
+  }
+  catch(...)
+  {
+    //mos << "exception !!!\n";
+  }
+}
+void consumer3(the_ostream &/*mos*/, boost::sync_queue<int> & sbq)
+{
+  using namespace boost;
+  try {
+    for(int i=0; ;++i)
+    {
+      int r;
+      queue_op_status res = sbq.wait_pull(r);
+      if (res==queue_op_status::closed) break;
+      //mos << i << " wait_pull(" << r << ")\n";
+      this_thread::sleep_for(chrono::milliseconds(250));
+    }
+  }
+  catch(...)
+  {
+    //mos << "exception !!!\n";
+  }
+}
+
+int main()
+{
+  using namespace boost;
+
+#ifdef XXXX
+  recursive_mutex terminal_mutex;
+
+  externally_locked_stream<std::ostream> mcerr(std::cerr, terminal_mutex);
+  externally_locked_stream<std::ostream> mcout(std::cout, terminal_mutex);
+  externally_locked_stream<std::istream> mcin(std::cin, terminal_mutex);
+#else
+  the_ostream &mcerr = std::cout;
+  the_ostream &mcout = std::cerr;
+  //the_istream &mcin = std::cin;
+#endif
+
+  sync_queue<int> sbq;
+
+  {
+    mcout << "begin of main" << std::endl;
+    scoped_thread<> t11(boost::thread(producer, boost::ref(mcerr), boost::ref(sbq)));
+    scoped_thread<> t12(boost::thread(producer, boost::ref(mcerr), boost::ref(sbq)));
+    scoped_thread<> t2(boost::thread(consumer, boost::ref(mcout), boost::ref(sbq)));
+
+    this_thread::sleep_for(chrono::seconds(1));
+
+    mcout << "closed()" << std::endl;
+    sbq.close();
+    mcout << "closed()" << std::endl;
+
+  } // all threads joined here.
+  mcout << "end of main" << std::endl;
+  return 0;
+}
+