diff --git a/example/future_fallback_to.cpp b/example/future_fallback_to.cpp
index 28accac6..3740d1fd 100644
--- a/example/future_fallback_to.cpp
+++ b/example/future_fallback_to.cpp
@@ -4,7 +4,7 @@
 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
 #define BOOST_THREAD_VERSION 4
-#define BOOST_THREAD_USES_LOG
+//#define BOOST_THREAD_USES_LOG
 #define BOOST_THREAD_USES_LOG_THREAD_ID
 
 #include <boost/thread/detail/log.hpp>
@@ -12,6 +12,7 @@
 #include <boost/assert.hpp>
 #include <exception>
 #include <string>
+#include <iostream>
 
 #if defined BOOST_THREAD_PROVIDES_FUTURE_CONTINUATION
 
@@ -29,8 +30,10 @@ int p1()
 
 int main()
 {
+  const int number_of_tests = 100;
   BOOST_THREAD_LOG << "<MAIN" << BOOST_THREAD_END_LOG;
   {
+    for (int i=0; i< number_of_tests; i++)
     try
     {
       boost::future<int> f1 = boost::async(boost::launch::async, &p1);
@@ -39,6 +42,7 @@ int main()
     }
     catch (std::exception& ex)
     {
+      std::cout << "ERRORRRRR "<<ex.what() << "" << std::endl;
       BOOST_THREAD_LOG << "ERRORRRRR "<<ex.what() << "" << BOOST_THREAD_END_LOG;
       return 1;
     }
@@ -49,6 +53,7 @@ int main()
     }
   }
   {
+    for (int i=0; i< number_of_tests; i++)
     try
     {
       boost::future<int> f1 = boost::async(boost::launch::async, &p1_ex);
@@ -57,6 +62,7 @@ int main()
     }
     catch (std::exception& ex)
     {
+      std::cout << "ERRORRRRR "<<ex.what() << "" << std::endl;
       BOOST_THREAD_LOG << "ERRORRRRR "<<ex.what() << "" << BOOST_THREAD_END_LOG;
       return 1;
     }
diff --git a/example/future_then.cpp b/example/future_then.cpp
index 4cdcf999..9f28cf39 100644
--- a/example/future_then.cpp
+++ b/example/future_then.cpp
@@ -4,13 +4,15 @@
 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
 #define BOOST_THREAD_VERSION 4
-#define BOOST_THREAD_USES_LOG
+//#define BOOST_THREAD_USES_LOG
 #define BOOST_THREAD_USES_LOG_THREAD_ID
 
 #include <boost/thread/detail/log.hpp>
 #include <boost/thread/future.hpp>
 #include <boost/assert.hpp>
 #include <string>
+#include <iostream>
+
 #if defined BOOST_THREAD_PROVIDES_FUTURE_CONTINUATION
 
 int p1()
@@ -28,6 +30,7 @@ int p2(boost::future<int> f)
   }
   catch (std::exception& ex)
   {
+    std::cout << "ERRORRRRR "<<ex.what() << "" << std::endl;
     BOOST_THREAD_LOG << "ERRORRRRR "<<ex.what() << "" << BOOST_THREAD_END_LOG;
     BOOST_ASSERT(false);
   }
@@ -47,6 +50,7 @@ int p2s(boost::shared_future<int> f)
   }
   catch (std::exception& ex)
   {
+    std::cout << "ERRORRRRR "<<ex.what() << "" << std::endl;
     BOOST_THREAD_LOG << "ERRORRRRR "<<ex.what() << "" << BOOST_THREAD_END_LOG;
     BOOST_ASSERT(false);
   }
@@ -60,7 +64,9 @@ int p2s(boost::shared_future<int> f)
 
 int main()
 {
+  const int number_of_tests = 100;
   BOOST_THREAD_LOG << "<MAIN" << BOOST_THREAD_END_LOG;
+  for (int i=0; i< number_of_tests; i++)
   {
   try
   {
@@ -70,6 +76,7 @@ int main()
   }
   catch (std::exception& ex)
   {
+    std::cout << "ERRORRRRR "<<ex.what() << "" << std::endl;
     BOOST_THREAD_LOG << "ERRORRRRR "<<ex.what() << "" << BOOST_THREAD_END_LOG;
     return 1;
   }
@@ -80,6 +87,7 @@ int main()
   }
   }
   {
+  for (int i=0; i< number_of_tests; i++)
   try
   {
     boost::shared_future<int> f1 = boost::async(boost::launch::async, &p1).share();
@@ -88,6 +96,7 @@ int main()
   }
   catch (std::exception& ex)
   {
+    std::cout << "ERRORRRRR "<<ex.what() << "" << std::endl;
     BOOST_THREAD_LOG << "ERRORRRRR "<<ex.what() << "" << BOOST_THREAD_END_LOG;
     return 1;
   }
diff --git a/example/future_unwrap.cpp b/example/future_unwrap.cpp
index 78e146c6..92bc2f1f 100644
--- a/example/future_unwrap.cpp
+++ b/example/future_unwrap.cpp
@@ -4,13 +4,15 @@
 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
 #define BOOST_THREAD_VERSION 4
-#define BOOST_THREAD_USES_LOG
+//#define BOOST_THREAD_USES_LOG
 #define BOOST_THREAD_USES_LOG_THREAD_ID
 
 #include <boost/thread/detail/log.hpp>
 #include <boost/thread/future.hpp>
 #include <boost/assert.hpp>
 #include <string>
+#include <iostream>
+
 #if defined BOOST_THREAD_PROVIDES_FUTURE_UNWRAP
 
 int p1()
@@ -29,7 +31,9 @@ boost::future<int> p2()
 
 int main()
 {
+  const int number_of_tests = 100;
   BOOST_THREAD_LOG << "<MAIN" << BOOST_THREAD_END_LOG;
+  for (int i=0; i< number_of_tests; i++)
   try
   {
     boost::future<boost::future<int> > outer_future = boost::async(boost::launch::async, &p2);
@@ -39,6 +43,7 @@ int main()
   }
   catch (std::exception& ex)
   {
+    std::cout << "ERRORRRRR "<<ex.what() << "" << std::endl;
     BOOST_THREAD_LOG << "ERRORRRRR "<<ex.what() << "" << BOOST_THREAD_END_LOG;
     return 1;
   }
diff --git a/example/lambda_future.cpp b/example/lambda_future.cpp
index b6a3a55d..6b7e6d1b 100644
--- a/example/lambda_future.cpp
+++ b/example/lambda_future.cpp
@@ -9,21 +9,24 @@
 #define BOOST_RESULT_OF_USE_DECLTYPE
 #endif
 #define BOOST_THREAD_VERSION 4
-#define BOOST_THREAD_USES_LOG
+//#define BOOST_THREAD_USES_LOG
 #define BOOST_THREAD_USES_LOG_THREAD_ID
 
 #include <boost/thread/detail/log.hpp>
 #include <boost/thread/future.hpp>
 #include <boost/assert.hpp>
 #include <string>
+#include <iostream>
 
 #if    defined BOOST_THREAD_PROVIDES_FUTURE_CONTINUATION \
   && ! defined BOOST_NO_CXX11_LAMBDAS
 
 int main()
 {
+  const int number_of_tests = 100;
   BOOST_THREAD_LOG << "<MAIN" << BOOST_THREAD_END_LOG;
 
+  for (int i=0; i< number_of_tests; i++)
   try
   {
     {
@@ -40,6 +43,7 @@ int main()
   }
   catch (std::exception& ex)
   {
+    std::cout << "ERRORRRRR "<<ex.what() << "" << std::endl;
     BOOST_THREAD_LOG << "ERRORRRRR "<<ex.what() << "" << BOOST_THREAD_END_LOG;
     return 1;
   }
diff --git a/example/make_future.cpp b/example/make_future.cpp
index a54182fe..225ad7a3 100644
--- a/example/make_future.cpp
+++ b/example/make_future.cpp
@@ -50,6 +50,10 @@ boost::shared_future<int> shared_compute(int x)
 
 int main()
 {
+  const int number_of_tests = 100;
+  for (int i=0; i< number_of_tests; i++)
+    try
+  {
 #if defined BOOST_THREAD_USES_MOVE
   {
     boost::future<void> f = void_compute();
@@ -68,5 +72,16 @@ int main()
     boost::shared_future<int> f = shared_compute(2);
     std::cout << f.get() << std::endl;
   }
+  }
+  catch (std::exception& ex)
+  {
+    std::cout << "ERRORRRRR "<<ex.what() << "" << std::endl;
+    return 1;
+  }
+  catch (...)
+  {
+    std::cout << "ERRORRRRR "<<"ERRORRRRR exception thrown" << std::endl;
+    return 2;
+  }
   return 0;
 }