How does thread synchronization work in C++?

Can you explain how thread synchronization works in C++?

Sure! Thread synchronization in C++ is a mechanism to control the access of multiple threads to shared resources, ensuring data consistency.

What are some common synchronization techniques used in C++?

Common techniques include mutexes, condition variables, and semaphores. Mutexes are often used to lock resources.

How do I implement a mutex in my C++ code?

You can use the std::mutex class from the <mutex> header. Here's a simple example:

#include <mutex>
std::mutex mtx;

void threadFunction() {
    mtx.lock(); // Lock the mutex
    // Critical section
    mtx.unlock(); // Unlock the mutex
}

What happens if a thread tries to lock a mutex that is already locked?

If a thread tries to lock a mutex that is already locked, it will block until the mutex becomes available. This prevents data races.