Full merge from trunk at revision 41356 of entire boost-root tree.

[SVN r41370]

example/doc_named_allocB.cpp

@@ -0,0 +1,63 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2006-2007. 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)
+//
+// See http://www.boost.org/libs/interprocess for documentation.
+//
+//////////////////////////////////////////////////////////////////////////////
+#include <boost/interprocess/detail/config_begin.hpp>
+#include <boost/interprocess/detail/workaround.hpp>
+//[doc_named_allocB
+#include <boost/interprocess/managed_shared_memory.hpp>
+#include <cstddef>
+#include <utility>
+#include <cassert>
+
+int main ()
+{
+   using namespace boost::interprocess;
+   typedef std::pair<double, int> MyType;
+
+   try{
+      //An special shared memory where we can
+      //construct objects associated with a name.
+      //Connect to the already created shared memory segment
+      //and initialize needed resources
+      managed_shared_memory segment(open_only, "MySharedMemory");
+
+      std::pair<MyType*, std::size_t> res;
+
+      //Find the array
+      res = segment.find<MyType> ("MyType array");   
+      //Length should be 10
+      assert(res.second == 10);
+
+      //Find the object
+      res = segment.find<MyType> ("MyType instance");   
+      //Length should be 1
+      assert(res.second == 1);
+
+      //Find the array constructed from iterators
+      res = segment.find<MyType> ("MyType array from it");
+      //Length should be 3
+      assert(res.second == 3);
+
+      //Use data
+      // . . . 
+
+      //We're done, delete all the objects
+      segment.destroy<MyType>("MyType array");
+      segment.destroy<MyType>("MyType instance");
+      segment.destroy<MyType>("MyType array from it");
+   }
+   catch(...){
+      shared_memory_object::remove("MySharedMemory");
+      throw;
+   }
+   shared_memory_object::remove("MySharedMemory");
+   return 0;
+}
+//]
+#include <boost/interprocess/detail/config_end.hpp>