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//////////////////////////////////////////////////////////////////////////////
//
// (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/workaround.hpp>
#ifdef BOOST_INTERPROCESS_WINDOWS
#include <boost/interprocess/allocators/allocator.hpp>
#include <boost/interprocess/containers/vector.hpp>
#include <boost/interprocess/managed_windows_shared_memory.hpp>
#include <cstdio>
#include <string>
#include "get_process_id_name.hpp"
using namespace boost::interprocess;
int main ()
{
const int MemSize = 65536;
const char *const MemName = test::get_process_id_name();
//STL compatible allocator object for shared memory
typedef allocator<int, managed_windows_shared_memory::segment_manager>
allocator_int_t;
//A vector that uses that allocator
typedef boost::interprocess::vector<int, allocator_int_t> MyVect;
{
const int max = 100;
void *array[std::size_t(max)];
//Named allocate capable shared memory allocator
managed_windows_shared_memory w_shm(create_only, MemName, MemSize);
std::size_t i;
//Let's allocate some memory
for(i = 0; i < max; ++i){
array[std::ptrdiff_t(i)] = w_shm.allocate(i+1u);
}
//Deallocate allocated memory
for(i = 0; i < max; ++i){
w_shm.deallocate(array[std::ptrdiff_t(i)]);
}
}
{
//Named allocate capable shared memory managed memory class
managed_windows_shared_memory w_shm(create_only, MemName, MemSize);
//Construct the STL-like allocator with the segment manager
const allocator_int_t myallocator (w_shm.get_segment_manager());
//Named allocate capable shared memory managed memory class
managed_windows_shared_memory w_tmp(open_only, MemName);
}
{
bool throws_ok = false;
//Check memory is gone
BOOST_TRY{
managed_windows_shared_memory w_tmp(open_only, MemName);
}
BOOST_CATCH(interprocess_exception &e) {
throws_ok = e.get_error_code() == not_found_error;
}
BOOST_CATCH_END
if (!throws_ok)
return 1;
}
{
//Named allocate capable shared memory managed memory class
managed_windows_shared_memory w_shm(open_or_create, MemName, MemSize);
//Construct the STL-like allocator with the segment manager
const allocator_int_t myallocator (w_shm.get_segment_manager());
//Construct vector
MyVect *w_shm_vect = w_shm.construct<MyVect> ("MyVector") (myallocator);
//Test that vector can be found via name
if(w_shm_vect != w_shm.find<MyVect>("MyVector").first)
return -1;
//Destroy and check it is not present
w_shm.destroy<MyVect> ("MyVector");
if(0 != w_shm.find<MyVect>("MyVector").first)
return -1;
//Construct a vector in the shared memory
w_shm_vect = w_shm.construct<MyVect> ("MyVector") (myallocator);
{
//Map preexisting segment again in memory
managed_windows_shared_memory w_shm_new(open_only, MemName);
//Check vector is still there
w_shm_vect = w_shm_new.find<MyVect>("MyVector").first;
if(!w_shm_vect)
return -1;
if(w_shm_new.get_size() != w_shm.get_size())
return 1;
}
{
//Map preexisting segment again in memory
managed_windows_shared_memory w_shm_new(open_or_create, MemName, MemSize);
//Check vector is still there
w_shm_vect = w_shm_new.find<MyVect>("MyVector").first;
if(!w_shm_vect)
return -1;
if(w_shm_new.get_size() != w_shm.get_size())
return 1;
{
{
//Map preexisting shmem again in copy-on-write
managed_windows_shared_memory shmem(open_copy_on_write, MemName);
//Check vector is still there
MyVect *shmem_vect = shmem.find<MyVect>("MyVector").first;
if(!shmem_vect)
return -1;
//Erase vector
shmem.destroy_ptr(shmem_vect);
//Make sure vector is erased
shmem_vect = shmem.find<MyVect>("MyVector").first;
if(shmem_vect)
return -1;
}
//Now check vector is still in the s
{
//Map preexisting shmem again in copy-on-write
managed_windows_shared_memory shmem(open_copy_on_write, MemName);
//Check vector is still there
MyVect *shmem_vect = shmem.find<MyVect>("MyVector").first;
if(!shmem_vect)
return -1;
}
}
{
//Map preexisting shmem again in read-only
managed_windows_shared_memory shmem(open_read_only, MemName);
//Check vector is still there
MyVect *shmem_vect = shmem.find<MyVect>("MyVector").first;
if(!shmem_vect)
return -1;
}
//Destroy and check it is not present
w_shm_new.destroy_ptr(w_shm_vect);
if(0 != w_shm_new.find<MyVect>("MyVector").first)
return 1;
//Now test move semantics
managed_windows_shared_memory original(open_only, MemName);
managed_windows_shared_memory move_ctor(boost::move(original));
managed_windows_shared_memory move_assign;
move_assign = boost::move(move_ctor);
}
}
return 0;
}
#else
int main()
{
return 0;
}
#endif
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