public void EnterReadLock()
{
SpinWait sw = new SpinWait();
do
{
while ((rwlock & (RwWrite | RwWait)) > 0)
{
sw.SpinOnce();
}
if ((Interlocked.Add(ref rwlock, RwRead) & (RwWait | RwWait)) == 0)
{
return;
}
Interlocked.Add(ref rwlock, -RwRead);
} while (true);
}
public void ExitWriteLock()
{
Interlocked.Add(ref rwlock, -RwWrite);
}
public void ExitReadLock()
{
Interlocked.Add(ref rwlock, -RwRead);
}