public Event[] DequeueBunch()
{
LogBuffer buf = _first;
if (buf.Empty)
{
if (buf.Done)
{
var oldFirst = _first;
var next = oldFirst.Next;
if (next != null)
{
Interlocked.CompareExchange(ref _first, next, oldFirst);
}
}
return(null);
}
var res = buf.PopCurrent();
if (buf.Done && buf.Empty)
{
var oldFirst1 = _first;
var next1 = oldFirst1.Next;
if (next1 != null)
{
Interlocked.CompareExchange(ref _first, next1, oldFirst1);
}
}
if ((res.Offset == 0) && (res.Count == res.Array.Length))
{
return(res.Array);
}
Event[] res2 = new Event[res.Count];
Array.Copy(res.Array, res.Offset, res2, 0, res.Count);
return(res2);
}
public int DequeueBunch(ref Event[] into)
{
LogBuffer buf = _first;
if (buf.Empty)
{
if (buf.Done)
{
var oldFirst = _first;
var next = oldFirst.Next;
if (next != null)
{
Interlocked.CompareExchange(ref _first, next, oldFirst);
}
}
return(0);
}
var res = buf.PopCurrent();
if (buf.Done && buf.Empty)
{
var oldFirst1 = _first;
var next1 = oldFirst1.Next;
if (next1 != null)
{
Interlocked.CompareExchange(ref _first, next1, oldFirst1);
}
}
if (res.Count != into.Length)
{
Array.Resize(ref into, res.Count);
}
Array.Copy(res.Array, res.Offset, into, 0, res.Count);
return(res.Count);
}