gistfile1.cpp

#include <boost/interprocess/managed_shared_memory.hpp>
#include <boost/interprocess/containers/vector.hpp>
#include <boost/interprocess/allocators/allocator.hpp>
#include<stdio.h>
#include <cstdlib> //std::system

//using namespace boost::interprocess;
typedef boost::interprocess::allocator<float, boost::interprocess::managed_shared_memory::segment_manager>  ShmemAllocator;
typedef boost::interprocess::vector<float, ShmemAllocator> DataVector;
int main(int argc, char *argv[])
{
  struct shm_remove
  {
     shm_remove() { boost::interprocess::shared_memory_object::remove("MySharedMemory"); }
     ~shm_remove(){ boost::interprocess::shared_memory_object::remove("MySharedMemory"); }
  } remover;
  boost::interprocess::managed_shared_memory segment(boost::interprocess::create_only, "MySharedMemory", 65536);
  const ShmemAllocator alloc_inst (segment.get_segment_manager());
  DataVector *myvector = segment.construct<DataVector>("MyVector")(alloc_inst);
  for(int i = 0; i < 6; ++i) { //Insert data in the vector
    printf("%d ", i);
     myvector->push_back(i*3);
  }
  while(1)
  {
      for(int i = 0; i < 6; ++i) { //Insert data in the vector
        printf("%d ", i);
         myvector->at(i) = i*5;
      }
      printf("\n");
  }
return 0;
};