unsafe public void Enqueue(T entry)
{
#if ENABLE_UNITY_COLLECTIONS_CHECKS
AtomicSafetyHandle.CheckWriteAndThrow(m_Safety);
#endif
byte *writeBlock = NativeQueueData.AllocateWriteBlockMT <T>(m_Buffer, m_QueuePool, 0);
UnsafeUtility.WriteArrayElement(writeBlock + UnsafeUtility.SizeOf <NativeQueueBlockHeader>(), ((NativeQueueBlockHeader *)writeBlock)->itemsInBlock, entry);
++((NativeQueueBlockHeader *)writeBlock)->itemsInBlock;
}
public void Dispose()
{
#if ENABLE_UNITY_COLLECTIONS_CHECKS
#if UNITY_2018_3_OR_NEWER
DisposeSentinel.Dispose(ref m_Safety, ref m_DisposeSentinel);
#else
DisposeSentinel.Dispose(m_Safety, ref m_DisposeSentinel);
#endif
#endif
NativeQueueData.DeallocateQueue(m_Buffer, m_QueuePool, m_AllocatorLabel);
m_Buffer = null;
}
/// <summary>
/// Constructs a new queue with type of memory allocation.
/// </summary>
/// <param name="allocator">A member of the
/// [Unity.Collections.Allocator](https://docs.unity3d.com/ScriptReference/Unity.Collections.Allocator.html) enumeration.</param>
public NativeQueue(Allocator allocator)
{
CollectionHelper.CheckIsUnmanaged <T>();
m_QueuePool = NativeQueueBlockPool.QueueBlockPool;
m_AllocatorLabel = allocator;
NativeQueueData.AllocateQueue <T>(allocator, out m_Buffer);
#if ENABLE_UNITY_COLLECTIONS_CHECKS
DisposeSentinel.Create(out m_Safety, out m_DisposeSentinel, 0, allocator);
#endif
}
public unsafe NativeQueue(Allocator label)
{
m_QueuePool = NativeQueueBlockPool.QueueBlockPool;
#if ENABLE_UNITY_COLLECTIONS_CHECKS
if (!UnsafeUtility.IsBlittable <T>())
{
throw new ArgumentException(string.Format("{0} used in NativeQueue<{0}> must be blittable", typeof(T)));
}
#endif
m_AllocatorLabel = label;
NativeQueueData.AllocateQueue <T>(label, out m_Buffer);
#if ENABLE_UNITY_COLLECTIONS_CHECKS
DisposeSentinel.Create(out m_Safety, out m_DisposeSentinel, 0);
#endif
}
unsafe public bool TryDequeue(out T item)
{
#if ENABLE_UNITY_COLLECTIONS_CHECKS
AtomicSafetyHandle.CheckWriteAndThrow(m_Safety);
#endif
NativeQueueBlockHeader *firstBlock = NativeQueueData.GetFirstBlock(m_Buffer, m_QueuePool);
if (firstBlock == null)
{
item = default(T);
return(false);
}
var currentRead = m_Buffer->m_CurrentRead++;
item = UnsafeUtility.ReadArrayElement <T>(firstBlock + 1, currentRead);
NativeQueueData.Release(firstBlock, m_QueuePool);
return(true);
}
public void Dispose()
{
NativeQueueData.DeallocateQueue(m_Buffer, m_QueuePool, m_AllocatorLabel);
}
void Deallocate()
{
NativeQueueData.DeallocateQueue(m_Buffer, m_QueuePool, m_AllocatorLabel);
m_Buffer = null;
}
