/// <summary>
/// Releases a reference to a doorman. If the ref-count hits zero, then the doorman is
/// returned to the pool (or is simply left for the garbage collector to cleanup if the
/// pool is already full).
/// </summary>
/// <param name="doorman">The <see cref="Doorman"/>.</param>
private static void ReleaseDoorman(Doorman doorman)
{
var lockTaken = false;
try
{
_spinLock.Enter(ref lockTaken);
if (--doorman.RefCount == 0)
{
_keys.Remove(doorman.Key);
if (_pool.Count < MaxPoolSize)
{
doorman.Key = null;
_pool.Push(doorman);
}
}
}
finally
{
if (lockTaken)
{
_spinLock.Exit();
}
}
}
internal Releaser(Doorman toRelease, bool writer)
{
_toRelease = toRelease;
_writer = writer;
}