What is stdatomic in C++?

What is stdatomic in C++?

stdatomic is a header in C++ that provides atomic operations for multi-threaded programming, ensuring safe access to shared data.

Why do I need atomic operations in my code?

Atomic operations prevent data races by ensuring that operations on shared variables are completed without interruption.

Can you give me an example of how to use stdatomic?

Sure! You can use std::atomic<int> to declare an atomic integer. For example: std::atomic<int> counter(0);.

What happens if I don't use stdatomic?

Without stdatomic, multiple threads may read and write shared variables simultaneously, leading to unpredictable behavior and bugs.

Are there any performance implications of using stdatomic?

Yes, while stdatomic ensures safety, it may introduce some overhead compared to non-atomic operations, but it's often necessary for correctness.