c++11の条件变量

// threadTest.cpp: 定义控制台应用程序的入口点。
//

#include "stdafx.h"
#include <iostream>
#include <thread>
#include <mutex>
#include <string>
#include <fstream>
#include <deque>
#include <condition_variable>

using namespace std;


std::deque<int> q;
std::mutex mu;
std::condition_variable cond;

void function_1() 
{
    int count = 10;
    while (count>0)
    {
        std::unique_lock<mutex> locker(mu);
        q.push_back(count);
        locker.unlock();
        cond.notify_all();
        std::this_thread::sleep_for(chrono::seconds(1));
        count--;
    }

}

void funciton_2() 
{
    int data = 0;
    while (data != 1)
    {
        std::unique_lock<mutex> locker(mu);
        cond.wait(locker, [](){return !q.empty(); });
        data = q.back();
        q.pop_back();
        locker.unlock();
        cout << "t2 get a value form t1 " << data << endl;
    }

}


int main()
{
    thread t1(function_1);
    thread t2(funciton_2);
    t1.join();
    t2.join();


    std::getchar();
    return 0;
}