Create 2 thread and print ping and pong multiple time.
Source code of multi threading c++:
/*
Program: Two thread synchronization
Author: Alpha Master
Date: 24 sep 2021
*/
//Header File
#include<iostream>
#include<thread>
#include<mutex>
#include<condition_variable>
std::mutex mtx;
std::condition_variable cv;
bool ready = true;
bool processed = false;
void funOne()
{
auto i{0};
while(i<5)
{
// Wait
std::unique_lock<std::mutex> lk(mtx);
cv.wait(lk, []{return ready;});
//print
std::cout<<"ping"<<std::endl;
++i;
//send
ready = false;
processed = true;
lk.unlock();
cv.notify_one();
}
}
void funTwo()
{
auto i{0};
while(i<5)
{
// Wait
std::unique_lock<std::mutex> lk(mtx);
cv.wait(lk, []{return processed;});
//print
std::cout<<"pong"<<std::endl;
++i;
//send
processed = false;
ready= true;
lk.unlock();
cv.notify_one();
}
}
int main()
{
std::cout<<"Two thread synchronization"<<std::endl;
std::thread th1(funOne);
std::thread th2(funTwo);
th1.join();
th2.join();
return 0;
}
Output:
Two thread synchronization ping pong ping pong ping pong ping pong ping pong