| ////////////////////////////////////////////////////////////////////////////// |
| // |
| // (C) Copyright Ion Gaztanaga 2004-2009. 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> |
| |
| #ifdef BOOST_INTERPROCESS_WINDOWS |
| |
| #include <fstream> |
| #include <iostream> |
| #include <boost/interprocess/windows_shared_memory.hpp> |
| #include <boost/interprocess/mapped_region.hpp> |
| #include <string> |
| #include "get_process_id_name.hpp" |
| |
| using namespace boost::interprocess; |
| |
| int main () |
| { |
| try{ |
| const char *names[2] = { test::get_process_id_name(), 0 }; |
| for(unsigned int i = 0; i < sizeof(names)/sizeof(names[0]); ++i) |
| { |
| const std::size_t FileSize = 99999*2; |
| //Create a file mapping |
| windows_shared_memory mapping |
| (create_only, names[i], read_write, FileSize); |
| |
| { |
| |
| //Create two mapped regions, one half of the file each |
| mapped_region region (mapping |
| ,read_write |
| ,0 |
| ,FileSize/2 |
| ,0); |
| |
| mapped_region region2(mapping |
| ,read_write |
| ,FileSize/2 |
| ,FileSize - FileSize/2 |
| ,0); |
| |
| //Fill two regions with a pattern |
| unsigned char *filler = static_cast<unsigned char*>(region.get_address()); |
| for(std::size_t i = 0 |
| ;i < FileSize/2 |
| ;++i){ |
| *filler++ = static_cast<unsigned char>(i); |
| } |
| |
| filler = static_cast<unsigned char*>(region2.get_address()); |
| for(std::size_t i = FileSize/2 |
| ;i < FileSize |
| ;++i){ |
| *filler++ = static_cast<unsigned char>(i); |
| } |
| } |
| |
| //See if the pattern is correct in the file using two mapped regions |
| { |
| mapped_region region (mapping, read_only, 0, FileSize/2, 0); |
| mapped_region region2(mapping, read_only, FileSize/2, FileSize - FileSize/2, 0); |
| |
| unsigned char *checker = static_cast<unsigned char*>(region.get_address()); |
| //Check pattern |
| for(std::size_t i = 0 |
| ;i < FileSize/2 |
| ;++i){ |
| if(*checker++ != static_cast<unsigned char>(i)){ |
| return 1; |
| } |
| } |
| |
| //Check second half |
| checker = static_cast<unsigned char *>(region2.get_address()); |
| |
| //Check pattern |
| for(std::size_t i = FileSize/2 |
| ;i < FileSize |
| ;++i){ |
| if(*checker++ != static_cast<unsigned char>(i)){ |
| return 1; |
| } |
| } |
| } |
| |
| //Now check the pattern mapping a single read only mapped_region |
| { |
| //Create a single regions, mapping all the file |
| mapped_region region (mapping, read_only); |
| |
| //Check pattern |
| unsigned char *pattern = static_cast<unsigned char*>(region.get_address()); |
| for(std::size_t i = 0 |
| ;i < FileSize |
| ;++i, ++pattern){ |
| if(*pattern != static_cast<unsigned char>(i)){ |
| return 1; |
| } |
| } |
| } |
| } |
| } |
| catch(std::exception &exc){ |
| //shared_memory_object::remove(test::get_process_id_name()); |
| std::cout << "Unhandled exception: " << exc.what() << std::endl; |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| #else |
| |
| int main() |
| { |
| return 0; |
| } |
| |
| #endif |
| |
| #include <boost/interprocess/detail/config_end.hpp> |