How do I implement lock-free queues?

What are lock-free queues and why are they important?

Lock-free queues are data structures that allow multiple threads to access them without locking, improving performance and reducing contention.

How can I implement a lock-free queue in C++?

You can implement a lock-free queue using atomic operations and a linked list or array-based structure. Would you like a code example?

Yes, please provide a simple code example.

Here's a basic implementation using atomic pointers for a lock-free queue in C++... [code snippet]

What are the challenges of implementing lock-free queues?

Challenges include ensuring memory safety, handling contention, and managing the complexity of atomic operations.