public void Free(PoolBufferInstance buffer)
{
Interlocked.Increment(ref this._freeCount);
if (this.Size != buffer.Buffer.Length)
{
throw new ArgumentException("Invalid buffer size", "buffer");
}
bool lockTaken = false;
Stack <PoolBufferInstance> stack = null;
try
{
Monitor.Enter((object)(stack = this._pool), ref lockTaken);
this._pool.Push(buffer);
}
finally
{
if (lockTaken)
{
Monitor.Exit((object)stack);
}
}
}