/// <summary>
/// Waits for all references to be released while disallowing
/// attempts to acquire rundown protection.
/// </summary>
/// <param name="millisecondsTimeout">The timeout, in milliseconds.</param>
/// <returns>Whether all references were released.</returns>
public bool Wait(int millisecondsTimeout)
{
// Fast path. Just in case there are no users, we can go ahead
// and set the active flag and exit. Or if someone has already
// initiated the rundown, exit as well.
int value = Interlocked.CompareExchange(ref this._value, RundownActive, 0);
if (value == 0 || value == RundownActive)
{
return(true);
}
// Set the rundown active flag.
do
{
value = _value;
} while (Interlocked.CompareExchange(
ref _value,
value | RundownActive,
value
) != value);
// Wait for the event, but only if we had users.
if ((value & ~RundownActive) != 0)
{
return(_wakeEvent.Wait(millisecondsTimeout));
}
return(true);
}
protected override bool WaitOneInternal(int timeout)
{
return(fe.Wait(timeout));
}