What are cancellation points in the pthreads library?

What are cancellation points in the pthreads library?

Cancellation points in the pthreads library are specific locations in a thread where it can be safely canceled.

How do I implement cancellation points in my code?

You can implement cancellation points by using functions like pthread_testcancel() or blocking functions that check for cancellation.

Are there any risks associated with using cancellation points?

Yes, if not handled properly, using cancellation points can lead to resource leaks or inconsistent states in your application.

Can you give an example of a cancellation point?

Sure! A common cancellation point is when a thread is waiting on a condition variable or performing I/O operations.