Ticket #3682: main.cpp

#include <iostream>
#include <boost/interprocess/managed_shared_memory.hpp>

#define SHARE_NAME "test_22"
#define SHARE_SIZE 4096

namespace bi=boost::interprocess;

typedef bi::allocator<char, bi::managed_shared_memory::segment_manager> shm_char_allocator;

#define PR(code) std::cout << code << std::endl; 

struct shm_remover{
        std::string m_share_name;
        shm_remover(const char *share_name) : m_share_name(share_name) {bi::shared_memory_object::remove(m_share_name.c_str());};
        ~shm_remover() {bi::shared_memory_object::remove(m_share_name.c_str());};
};

struct B{
        virtual ~B() { PR("B"); };
};

struct M : B{
        shm_char_allocator m_a;
        M(const shm_char_allocator &p_a) : m_a(p_a) {};
        ~M() { PR("M"); };
};


int main(int argc, char *argv[])
{
        shm_remover r(SHARE_NAME);

        bi::managed_shared_memory msm = bi::managed_shared_memory(bi::create_only, SHARE_NAME, SHARE_SIZE);
        shm_char_allocator sa(msm.get_segment_manager());

        B *m = msm.construct<M>(bi::anonymous_instance)(sa);
        msm.destroy_ptr(m);

        return 0;
}