Files
interprocess/test/shared_memory_test.cpp
Ion Gaztañaga 550a9de8c5 First complete documentation version
[SVN r34819]
2006-08-04 19:54:15 +00:00

86 lines
2.5 KiB
C++

//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztañaga 2004-2006. 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>
#include <boost/interprocess/shared_memory.hpp>
#include <boost/interprocess/exceptions.hpp>
#include "named_creation_template.hpp"
#include <cstring> //for strcmp, memset
#include <iostream> //for cout
static const std::size_t ShmSize = 1000;
static const char * ShmName = "shared_memory";
struct shared_memory_eraser
{
~shared_memory_eraser()
{
boost::interprocess::shared_memory_object::remove(ShmName);
}
};
//This wrapper is necessary to have a common constructor
//in generic named_creation_template functions
class shared_memory_creation_test_wrapper
: public boost::interprocess::shared_memory
{
public:
shared_memory_creation_test_wrapper(boost::interprocess::detail::create_only_t)
: boost::interprocess::shared_memory
(boost::interprocess::create_only, ShmName, ShmSize)
{}
shared_memory_creation_test_wrapper(boost::interprocess::detail::open_only_t)
: boost::interprocess::shared_memory
(boost::interprocess::open_only, ShmName)
{}
shared_memory_creation_test_wrapper(boost::interprocess::detail::open_or_create_t)
: boost::interprocess::shared_memory
(boost::interprocess::open_or_create, ShmName, ShmSize)
{}
};
int main ()
{
using namespace boost::interprocess;
try{
shared_memory_object::remove(ShmName);
test::test_named_creation<shared_memory_creation_test_wrapper>();
//Create and get name, size and address
{
shared_memory_object::remove(ShmName);
shared_memory shm1(create_only, ShmName, ShmSize);
//Compare size
if(shm1.get_size() != ShmSize)
return 1;
//Compare name
if(std::strcmp(shm1.get_name(), ShmName) != 0){
return 1;
}
//Overwrite all memory
std::memset(shm1.get_address(), 0, ShmSize);
}
}
catch(std::exception &ex){
std::cout << ex.what() << std::endl;
}
return 0;
}
#include <boost/interprocess/detail/config_end.hpp>