public void TestBug_55909()
{
rwlock = new ReaderWriterLock();
ThreadRunner tr = StartThread(new ThreadStart(Bug_55909_Thread2));
Thread.Sleep(200);
rwlock.AcquireReaderLock(Timeout.Infinite);
try {
LockCookie lc = rwlock.UpgradeToWriterLock(Timeout.Infinite);
Thread.Sleep(500);
}
finally { rwlock.ReleaseReaderLock(); }
tr.Join();
}
public void TestReaderMustWaitWriter()
{
// A thread cannot get the reader lock if there are other threads
// waiting for the writer lock.
rwlock = new ReaderWriterLock();
rwlock.AcquireWriterLock(200);
ThreadRunner tr = StartThread(new ThreadStart(ReaderMustWaitWriter_2));
Thread.Sleep(200);
RunThread(new ThreadStart(AcquireLock_readerFails));
rwlock.ReleaseReaderLock();
tr.Join();
}
public void TestBug_55909_bis()
{
rwlock = new ReaderWriterLock();
ThreadRunner tr1 = StartThread(new ThreadStart(Bug_55909_bis_ReaderWriter));
Thread.Sleep(100);
ThreadRunner tr2 = StartThread(new ThreadStart(Bug_55909_bis_Reader));
Thread.Sleep(100);
ThreadRunner tr3 = StartThread(new ThreadStart(Bug_55909_bis_Writer));
Thread.Sleep(100);
ThreadRunner tr4 = StartThread(new ThreadStart(Bug_55909_bis_Reader));
tr1.Join();
tr2.Join();
tr3.Join();
tr4.Join();
}
void RunThread(ThreadStart ts)
{
ThreadRunner tr = StartThread(ts);
tr.Join();
}