public object Allocate()
{
Interlocked.Increment(ref AllocCount);
#if (NET_4_6 && UNITY_2017)
System.Threading.SpinWait spin = new System.Threading.SpinWait();
#else
Core.Utils.SpinWait spin = new Core.Utils.SpinWait();
#endif
while (Interlocked.Increment(ref _allocatorNumber) != 1)
{
Interlocked.Decrement(ref _allocatorNumber);
spin.SpinOnce();
}
object obj;
var succ = _pool.TryDequeue(out obj);
Interlocked.Decrement(ref _allocatorNumber);
if (!succ || obj == null)
{
Interlocked.Increment(ref NewCount);
obj = _factory.MakeObject();
}
_factory.ActivateObject(obj);
return(obj);
}
// there may be some leak while increasing cap
// but it's ok...
public void Free(object t)
{
if (t == null)
{
return;
}
_factory.DestroyObject(t);
Interlocked.Increment(ref FreeCount);
#if (NET_4_6 && UNITY_2017)
System.Threading.SpinWait spin = new System.Threading.SpinWait();
#else
Core.Utils.SpinWait spin = new Core.Utils.SpinWait();
#endif
while (Interlocked.Increment(ref _freeNumber) != 1)
{
Interlocked.Decrement(ref _freeNumber);
spin.SpinOnce();
}
if (_pool.Count > _pool.Capacity - 5)
{
_old = _pool;
_pool = new RingBuffer <object>(_old.Capacity * 2);
_logger.InfoFormat("ring buffer not big enough for object pool of type {0}",
_factory.MakeObject().GetType());
if (_old.Count > 0)
{
object obj;
var succ = _old.TryDequeue(out obj);
while (succ && obj != null)
{
_pool.Enqueue(obj);
succ = _old.TryDequeue(out obj);
}
}
_old = null;
}
{
_pool.Enqueue(t);
Interlocked.Decrement(ref _freeNumber);
}
}