private bool TryEnqueue(IList <ArraySegment <byte> > items, out bool conflict)
{
conflict = false;
int oldCurrent = mOffset;
if (oldCurrent + items.Count >= QUEUE_SIZE)
{
return(false);
}
if (Interlocked.CompareExchange(ref mOffset, oldCurrent + items.Count, oldCurrent) != oldCurrent)
{
conflict = true;
return(false);
}
for (int i = 0; i < items.Count; i++)
{
ArraySegment <byte> item = items[i];
var gcHandle = GCHandle.Alloc(item.Array, GCHandleType.Pinned);
mPins[oldCurrent + i] = gcHandle;
this.mBuffer[oldCurrent + i] = UVIntrop.buf_init(gcHandle.AddrOfPinnedObject() + item.Offset, item.Count);
}
return(true);
}
public unsafe void Write(byte[] datas, Int32 offset, Int32 count)
{
fixed(byte *p = datas)
{
UVIntrop.uv_buf_t[] mbuf = new UVIntrop.uv_buf_t[] {
UVIntrop.buf_init((IntPtr)(p + offset), count)
};
UVIntrop.try_write(this, mbuf, 1);
}
}
private unsafe bool TryEnqueue(ArraySegment <byte> item, out bool conflict)
{
conflict = false;
int currentCount = mOffset;
if (currentCount >= QUEUE_SIZE)
{
return(false);
}
if (Interlocked.CompareExchange(ref mOffset, currentCount + 1, currentCount) != currentCount)
{
conflict = true;
return(false);
}
//添加
var gcHandle = GCHandle.Alloc(item.Array, GCHandleType.Pinned);
mPins[currentCount] = gcHandle;
this.mBuffer[currentCount] = UVIntrop.buf_init(gcHandle.AddrOfPinnedObject() + item.Offset, item.Count);
return(true);
}