id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc
7295,mapped_region large file throw exception,anonymous,Ion Gaztañaga,"using namespace boost::interprocess;
	const std::size_t FileSize = 10000000000;
	//if(argc == 1)
	{ //Parent process executes this
		{  //Create a file
			std::filebuf fbuf;
			fbuf.open(""e:\\output\\file.bin"", std::ios_base::in | std::ios_base::out 
				| std::ios_base::trunc | std::ios_base::binary); 
			//Set the size
			fbuf.pubseekoff(FileSize-1, std::ios_base::beg);
			fbuf.sputc(0);
		}
		//Remove file on exit
		struct file_remove 
		{
			~file_remove (){  file_mapping::remove(""file.bin""); }
		} destroy_on_exit;

		//Create a file mapping
		file_mapping m_file(""e:\\output\\file.bin"", read_write);

		//Map the whole file with read-write permissions in this process
		try{ 
		mapped_region region(m_file, read_write);
		
		

		//Get the address of the mapped region
		void * addr       = region.get_address();
		std::size_t size  = region.get_size();

		//Write all the memory to 1
		std::memset(addr, 1, size);
		}
		catch( boost::interprocess::interprocess_exception& ex  ){
			cout << ""\njjhhh"" << ex.what() << endl;
		}
		//Launch child process
		//std::string s(argv[0]); s += "" child "";
	//	if(0 != std::system(s.c_str()))
			return 1;
	}

mapped_region region(m_file, read_write); throw a exception",Bugs,new,To Be Determined,interprocess,Boost 1.52.0,Problem,,,