How can I fix data races in my code?

How can I fix data races in my code?

Data races occur when two or more threads access shared data simultaneously. To fix them, you can use synchronization techniques like locks, semaphores, or atomic operations.

Can you explain how to use locks to prevent data races?

Sure! You can use mutex locks to ensure that only one thread can access the shared resource at a time. Wrap the critical section of your code with lock and unlock calls.

What are some common mistakes to avoid when using locks?

Common mistakes include forgetting to unlock a lock, leading to deadlocks, and using too many locks, which can reduce performance.

Are there any tools to help detect data races?

Yes, tools like ThreadSanitizer and Helgrind can help detect data races in your code during testing.