140 lines
4.0 KiB
C++
140 lines
4.0 KiB
C++
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// (C) Copyright Ion Gaztanaga 2004-2012. 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>
|
|
|
|
#if defined(BOOST_INTERPROCESS_XSI_SHARED_MEMORY_OBJECTS)
|
|
|
|
#include <fstream>
|
|
#include <iostream>
|
|
#include <boost/interprocess/xsi_shared_memory.hpp>
|
|
#include <boost/interprocess/mapped_region.hpp>
|
|
#include <boost/interprocess/file_mapping.hpp>
|
|
#include <boost/interprocess/detail/file_wrapper.hpp>
|
|
#include <string>
|
|
#include <iostream>
|
|
#include "get_process_id_name.hpp"
|
|
|
|
using namespace boost::interprocess;
|
|
|
|
void remove_shared_memory(const xsi_key &key)
|
|
{
|
|
try{
|
|
xsi_shared_memory xsi(open_only, key);
|
|
xsi_shared_memory::remove(xsi.get_shmid());
|
|
}
|
|
catch(interprocess_exception &e){
|
|
if(e.get_error_code() != not_found_error)
|
|
throw;
|
|
}
|
|
}
|
|
|
|
class xsi_shared_memory_remover
|
|
{
|
|
public:
|
|
xsi_shared_memory_remover(xsi_shared_memory &xsi_shm)
|
|
: xsi_shm_(xsi_shm)
|
|
{}
|
|
|
|
~xsi_shared_memory_remover()
|
|
{ xsi_shared_memory::remove(xsi_shm_.get_shmid()); }
|
|
private:
|
|
xsi_shared_memory & xsi_shm_;
|
|
};
|
|
|
|
inline std::string get_filename()
|
|
{
|
|
std::string ret (ipcdetail::get_temporary_path());
|
|
ret += "/";
|
|
ret += test::get_process_id_name();
|
|
return ret;
|
|
}
|
|
|
|
int main ()
|
|
{
|
|
std::string filename(get_filename());
|
|
const char *names[2] = { filename.c_str(), 0 };
|
|
|
|
file_mapping::remove(names[0]);
|
|
{ ipcdetail::file_wrapper(create_only, names[0], read_write); }
|
|
xsi_key key(names[0], 1);
|
|
file_mapping::remove(names[0]);
|
|
remove_shared_memory(key);
|
|
|
|
unsigned int i;
|
|
try{
|
|
for(i = 0; i < sizeof(names)/sizeof(names[0]); ++i)
|
|
{
|
|
const std::size_t FileSize = 99999*2;
|
|
//Create a file mapping
|
|
xsi_shared_memory mapping (create_only, names[i] ? key : xsi_key(), FileSize);
|
|
xsi_shared_memory_remover rem(mapping);
|
|
try{
|
|
{
|
|
//Partial mapping should fail fox XSI shared memory
|
|
bool thrown = false;
|
|
try{
|
|
mapped_region region2(mapping, read_write, FileSize/2, FileSize - FileSize/2, 0);
|
|
}
|
|
catch(...){
|
|
thrown = true;
|
|
}
|
|
if(thrown == false){
|
|
return 1;
|
|
}
|
|
//Create a mapped region
|
|
mapped_region region (mapping, read_write, 0, FileSize, 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; ++i){
|
|
*filler++ = static_cast<unsigned char>(i);
|
|
}
|
|
}
|
|
|
|
//Now check the pattern mapping a single read only mapped_region
|
|
{
|
|
//Create a single region, 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){
|
|
std::cout << "Unhandled exception: " << exc.what() << std::endl;
|
|
return 1;
|
|
}
|
|
}
|
|
}
|
|
catch(std::exception &exc){
|
|
std::cout << "Unhandled exception: " << exc.what() << std::endl;
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#else
|
|
|
|
int main()
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#endif //BOOST_INTERPROCESS_XSI_SHARED_MEMORY_OBJECTS
|
|
|
|
#include <boost/interprocess/detail/config_end.hpp>
|