Usage

You can also set the maximum number of requests for the semaphore that can be granted concurrently (set to 1 by default):

If you would like to see how many concurrent requests there are for a semaphore for a given key:

If you would like to see the number of remaining threads that can enter the lock for a given key:

If you would like to check whether any request is using a specific key:

And if for some reason you need to force release the requests in the semaphore for a key:

You may also use Dependency Injection to inject an instance of AsyncKeyedLock.

Credits

This library is based on Stephen Cleary's solution.