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

[SVN r41369]

example/doc_file_mapping2.cpp

@@ -1,74 +0,0 @@
-//////////////////////////////////////////////////////////////////////////////
-//
-// (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>
-//[doc_file_mapping2
-#include <boost/interprocess/file_mapping.hpp>
-#include <boost/interprocess/mapped_region.hpp>
-#include <iostream>
-#include <fstream>
-#include <cstddef>
-#include <cstdio>    //std::remove
-#include <vector>
-
-int main ()
-{
-   using namespace boost::interprocess;
-   try{
-      //Open the file mapping
-      file_mapping m_file ("file.bin", read_only);
-
-      //Map the whole file in this process
-      mapped_region region
-         (m_file                    //What to map
-         ,read_only  //Map it as read-only
-         );
-
-      //Get the address of the mapped region
-      void * addr       = region.get_address();
-      std::size_t size  = region.get_size();
-
-      //Check that memory was initialized to 1
-      const char *mem = static_cast<char*>(addr);
-      for(std::size_t i = 0; i < size; ++i){
-         if(*mem++ != 1){
-            std::cout << "Error checking memory!" << std::endl;
-            return 1;
-         }
-      }
-
-      //Now test it reading the file
-      std::filebuf fbuf;
-      fbuf.open("file.bin", std::ios_base::in | std::ios_base::binary); 
-
-      //Read it to memory
-      std::vector<char> vect(region.get_size(), 0);
-      fbuf.sgetn(&vect[0], std::streamsize(vect.size()));
-
-      //Check that memory was initialized to 1
-      mem = static_cast<char*>(&vect[0]);
-      for(std::size_t i = 0; i < size; ++i){
-         if(*mem++ != 1){
-            std::cout << "Error checking memory!" << std::endl;
-            return 1;
-         }
-      }
-
-      std::cout << "Test successful!" << std::endl;
-   }
-   catch(interprocess_exception &ex){
-      std::remove("file.bin");
-      std::cout << "Unexpected exception: " << ex.what() << std::endl;
-      return 1;
-   }
-   std::remove("file.bin");
-   return 0;
-}
-//]
-#include <boost/interprocess/detail/config_end.hpp>