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

[SVN r41370]

example/doc_ipc_messageB.cpp

@@ -0,0 +1,47 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (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_ipc_messageB
+#include <boost/interprocess/managed_shared_memory.hpp>
+
+int main ()
+{
+   using namespace boost::interprocess;
+
+   try{
+      //An special shared memory from which we are
+      //able to allocate raw memory buffers.
+      //Connect to the already created shared memory segment
+      //and initialize needed resources
+      managed_shared_memory segment(open_only, "MySharedMemory");  //segment name
+
+      //An handle from the base address can identify any byte of the shared 
+      //memory segment even if it is mapped in different base addresses
+      managed_shared_memory::handle_t handle = 0;
+
+      //Wait handle msg from the other process and put it in
+      //"handle" local variable
+      //Get buffer local address from handle
+      void *msg = segment.get_address_from_handle(handle);
+      (void)msg;
+      //Do anything with msg
+      //. . .
+      //Send ack to sender process
+   }
+   catch(...){
+      shared_memory_object::remove("MySharedMemory");
+      throw;
+   }
+   shared_memory_object::remove("MySharedMemory");
+   return 0;
+}
+//]
+#include <boost/interprocess/detail/config_end.hpp>