public void BeginRead()
{
Monitor.Enter(this);
while (writerCount != 0 || writersWaiting != 0)
{
Monitor.Wait(this);
}
readerCount++;
Monitor.Exit(this);
}
public void BeginWrite()
{
Monitor.Enter(this);
writersWaiting++;
while (readerCount != 0 || writerCount != 0)
{
Monitor.Wait(this);
}
writersWaiting--;
writerCount++;
#if DEBUG_THREADS
writeLockHolder = new StackTrace(true);
#endif
Monitor.Exit(this);
}