When should I use std::shared_lock?

Can you explain when to use std::shared_lock in C++?

Sure! std::shared_lock is used when you want to allow multiple threads to read shared data concurrently while preventing any thread from modifying it.

What are the benefits of using std::shared_lock over std::unique_lock?

The main benefit is that std::shared_lock allows multiple readers to access the resource simultaneously, improving performance in read-heavy scenarios.

Are there any drawbacks to using std::shared_lock?

Yes, the main drawback is that it can lead to contention if there are frequent write operations, as writers will have to wait for all readers to finish.

Can you give an example of its usage?

Certainly! You can use std::shared_lock with a std::shared_mutex to protect a shared resource, allowing multiple threads to read it.