What are some advanced threading techniques in C++17?

What are some advanced threading techniques in C++17?

C++17 introduced several features for threading, such as std::optional, std::variant, and std::any, which can help manage thread communication and data sharing.

Can you explain how std::shared_mutex works?

Sure! std::shared_mutex allows multiple threads to read shared data simultaneously while ensuring exclusive access for writing. This improves performance in read-heavy scenarios.

What is the difference between std::thread and std::async?

std::thread creates a new thread for execution, while std::async runs a task asynchronously and returns a future, allowing you to retrieve the result later.

How can I use std::atomic in my threading code?

std::atomic provides a way to perform lock-free operations on shared variables, ensuring that updates are safe across multiple threads without using mutexes.

Are there any best practices for using threads in C++?

Yes, always prefer using higher-level abstractions like std::async or thread pools, minimize shared state, and ensure proper synchronization to avoid data races.