PRiR zajecia 2 zadanie 2

/*
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 */

/*
 * File:   main.cpp
 * Author: student
 *
 * Created on 2 marca 2018, 12:19
 */

#include <stdlib.h>
#include <iostream>
#include <boost/thread/thread.hpp>

using namespace std;
using namespace boost;
/*
 *
 */
const int liczbaWatkow = 5;
const int znakowDoZapisania = 1024;
const int opoznienie = 100;
//int licznik = 50;
mutex licznikMutex;


class Watek{
private:
    char znak;
    string &lancuch;
public:

    Watek(char znak, string& lancuch) :
    znak(znak), lancuch(lancuch) {
    }

    void operator()(){
        lock_guard<mutex> blokada(licznikMutex);
        for (int i = 0 ; i < znakowDoZapisania ; ++i){
            this_thread::sleep_for(chrono::microseconds (opoznienie));
            lancuch[i] = znak;
        }
    }
};

int main(int argc, char** argv) {
    string lancuch;
    lancuch.resize(znakowDoZapisania);

    thread_group watki;
    for (int i = 0 ; i< liczbaWatkow ; i++){
        watki.create_thread(Watek('a' + i, lancuch));
    }


    watki.join_all();
    cout << lancuch << endl;
    return 0;
}