- Make sure testsuite passes with "exception-handling=off". Requires using a custom mini-timer since Boost.Timer depends on Boost.Chrono, and Boost.Chrono's dll does not compile without exceptions.

example/doc_file_descriptor.cpp

@@ -33,7 +33,10 @@ class file_descriptor
    public:
    explicit file_descriptor(const char *filename)              //Constructor
       : os_descr_(operating_system_open_file(filename))
-   {  if(!os_descr_) throw std::runtime_error("file not found");  }
+   {
+      //=if(!os_descr_)
+         //=throw std::runtime_error("file not found");
+   }
 
    ~file_descriptor()                                          //Destructor
    {  if(os_descr_)  operating_system_close_file(os_descr_);  }