System.IO.BufferedStream.LazyEnsureAsyncActiveSemaphoreInitialized C# (CSharp) Méthode

        internal SemaphoreSlim LazyEnsureAsyncActiveSemaphoreInitialized()
        {
            // Lazily-initialize _asyncActiveSemaphore.  As we're never accessing the SemaphoreSlim's
            // WaitHandle, we don't need to worry about Disposing it.
            return LazyInitializer.EnsureInitialized(ref _asyncActiveSemaphore, () => new SemaphoreSlim(1, 1));
        }