What are the best practices for atomic operations in C?

What are the best practices for atomic operations in C?

When using atomic operations in C, it's important to ensure thread safety and avoid data races. Use the stdatomic.h library for atomic types.

Can you explain how to use stdatomic.h for atomic variables?

Sure! You can define an atomic variable using atomic_int and use functions like atomic_load and atomic_store to read and write values.

What are some common pitfalls to avoid with atomic operations?

Common pitfalls include forgetting to use atomic functions for operations, leading to data races, and not understanding memory ordering semantics.

How do memory orderings affect atomic operations?

Memory orderings determine how operations are seen by other threads. Using memory_order_seq_cst ensures a strict order, while memory_order_relaxed allows more flexibility.