threads.cpp

#include <algorithm>
#include <iostream>
#include <sstream>
#include <iterator>
#include <vector>
#include <memory>
#include <forward_list>
#include <typeinfo>
#include <thread>
#include <mutex>

using namespace std;

mutex m;

void test(int i) {
    
    lock_guard<mutex> g(m);
    
    cout << " " 
         << i 
         << " "
         << this_thread::get_id() 
         << std::endl;
         
}
 
int main()
{
    array<thread,9> arr = {
        thread{test,1}, 
        thread{test,2}, 
        thread{test,3}, 
        thread{test,4}, 
        thread{test,5},
        thread{test,6},
        thread{test,7}, 
        thread{test,8}, 
        thread{test,9}};
        
    for (auto &t: arr) {
        t.join();
    }
}