#ifndef MAIN_H
#define MAIN_H
#include <cstdlib>
#include <iostream>
#include <tr1/unordered_map>
#include <vector>
#include <list>
#include <set>

#include <pthread.h>
#endif
#ifndef MAIN_H
#define MAIN_H
#include <unistd.h>
#include <cstdlib>
#include <iostream>
#include <tr1/unordered_map>
#include <vector>
#include <list>
#include <set>

#include <pthread.h>
#endif
Fix compile on some systems
Fix compile on some systems
