ReaderWriterLockSlim and async\await

Question

I have some problems with ReaderWriterLockSlim. I cannot understand how it\'s magic working.

My code:

 private async Task LoadIndex()
           


        

Answer 1

ReaderWriterLockSlim is a thread-affine lock type, so it usually cannot be used with async and await.

You should either use SemaphoreSlim with WaitAsync, or (if you really need a reader/writer lock), use my AsyncReaderWriterLock from AsyncEx or Stephen Toub's AsyncReaderWriterLock.