Stuff

#ifndef DATACONTAINER_H#define DATACONTAINER_H#include <iostream>#include <vector>class Data_Container { public:  Data_Container(int size) : m_data(size) {    std::cerr << "creating an data container" << std::endl;  }  void* get_ptr() { return reinterpret_cast<void*>(&m_data.front() ); }  int get_size() { return m_data.size(); }  void set_data_used(int size) { m_data_used = size; }  int get_data_used() { return m_data_used; } private:  std::vector<char> m_data;  int m_data_used;};#endifThe producer:for(;;) {    Data_Container ch(1000);    ch.set_data_used( producer.produceData( ch.get_ptr() , 1000 /* max size to produce*/ ) );    buffer.push_front(ch);}