Files
interprocess/test/data_test.cpp
2007-05-04 21:17:55 +00:00

107 lines
3.1 KiB
C++

//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztañaga 2004-2007. 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>
#include <boost/interprocess/allocators/allocator.hpp>
#include <boost/interprocess/managed_shared_memory.hpp>
#include <boost/interprocess/containers/vector.hpp>
#include <boost/interprocess/containers/list.hpp>
#include <iostream>
#include <algorithm>
#include <functional>
#include "print_container.hpp"
using namespace boost::interprocess;
int main ()
{
const int memsize = 65536;
const char *const shMemName = "MySharedMemory";
try{
shared_memory_object::remove(shMemName);
//Create shared memory
managed_shared_memory segment(create_only, shMemName, memsize);
//STL compatible allocator object, uses allocate(), deallocate() functions
typedef allocator<int, managed_shared_memory::segment_manager>
shmem_allocator_int_t;
const shmem_allocator_int_t myallocator (segment.get_segment_manager());
const int max = 100;
void *array[max];
const char *allocName = "testAllocation";
typedef boost::interprocess::vector<int, shmem_allocator_int_t > MyVect;
typedef boost::interprocess::list<int, shmem_allocator_int_t > MyList;
//---- ALLOC, NAMED_ALLOC, NAMED_NEW TEST ----//
{
int i;
//Let's allocate some memory
for(i = 0; i < max; ++i){
array[i] = segment.allocate(i+1);
}
//Deallocate allocated memory
for(i = 0; i < max; ++i){
segment.deallocate(array[i]);
}
bool res;
MyVect *shmem_vect;
//Construct and find
shmem_vect = segment.construct<MyVect> (allocName) (myallocator);
res = (shmem_vect == segment.find<MyVect>(allocName).first);
if(!res)
return 1;
//Destroy and check it is not present
segment.destroy<MyVect> (allocName);
res = (0 == segment.find<MyVect>(allocName).first);
if(!res)
return 1;
//Construct, dump to a file
shmem_vect = segment.construct<MyVect> (allocName) (myallocator);
segment.save_to_file("shmem_file");
/*
//Recreate objects in a new shared memory check object is present
bool created = segment.create_from_file("shmem_file", shMemName);
if(!created)
return 1;
shmem_vect = segment.find<MyVect>(allocName).first;
if(!shmem_vect)
return 1;
//Destroy and check it is not present
segment.destroy<MyVect> (allocName);
res = (0 == segment.find<MyVect>(allocName).first);
if(!res)
return 1;
*/
std::remove("shmem_file");
}
}
catch(...){
std::remove("shmem_file");
shared_memory_object::remove(shMemName);
throw;
}
shared_memory_object::remove(shMemName);
return 0;
}
#include <boost/interprocess/detail/config_end.hpp>