boost::interprocess(1)

发送端：
#include <iostream>
#include <windows.h>
#include <string>
using namespace std;

#include <boost/interprocess/managed_shared_memory.hpp>
#include <boost/interprocess/mapped_region.hpp>
#include <thread>

using namespace boost::interprocess;
int num = 0;
mapped_region *mp_r;

void funs()
{
    while (1)
    {
        num ++;
        memcpy(mp_r->get_address(), &num, sizeof(int));
        mp_r->get_address();
        Sleep(500);
    }
    
}
int main(int argc, char*argv[])
{
    shared_memory_object share_obj(create_only, "named_obj", read_write);
    share_obj.truncate(sizeof(int));
    mp_r = new mapped_region(share_obj, read_write);

    std::thread th(funs);
    th.detach();
    getchar();
    return 0;
}

接收端：
#include <iostream>
#include <string>
#include <windows.h>
using namespace std;

#include <boost/interprocess/managed_shared_memory.hpp>
#include <boost/interprocess/mapped_region.hpp>
#include <thread>

using namespace boost::interprocess;
mapped_region* mp_r;

void fung()
{
    while (1)
    {
        int num = 0;
        memcpy(&num, static_cast<char*>(mp_r->get_address()), sizeof(int));
        cout<<num<<endl;
        Sleep(500);
    }
}

void main(int argc, char *argv[])
{
    //open shared memory object
    shared_memory_object share_obj(open_only, "named_obj", read_only);//map the shared memory object to current process
    mp_r = new mapped_region(share_obj, read_only);
    std::thread th(fung);
    th.detach();
    getchar();
    //remove shared memory object
    shared_memory_object::remove("named_obj");

}