System.Threading.Tests.ReaderWriterLockTests.AtomicRecursiveReaderTest C# (CSharp) Method

        public static void AtomicRecursiveReaderTest()
        {
            var trwl = new TestReaderWriterLock();
            trwl.AcquireReaderLock();

            Action waitForWaitingWriter;
            Thread waitingWriter =
                ThreadTestHelpers.CreateGuardedThread(out waitForWaitingWriter, () =>
                {
                    trwl.AcquireWriterLock();
                    trwl.ReleaseWriterLock();
                });
            waitingWriter.Start();
            ThreadTestHelpers.WaitForCondition(() => (waitingWriter.ThreadState & ThreadState.WaitSleepJoin) != 0);

            // Acquire a recursive read lock successfully while there is a waiting writer
            trwl.AcquireReaderLock();

            // Releasing both read locks releases the waiting writer
            trwl.ReleaseLock();
            waitForWaitingWriter();

            trwl.Dispose();
        }