/// <summary>
/// DirectOwnedBuffer constructor. Takes a buffer to store interlocked values for locking and versions.
/// The buffer could be null. DirectOwnedBuffer owns the lockers buffer.
/// </summary>
internal DirectOwnedBuffer(DirectOwnedBuffer <byte> lockersBuffer, T[] array, int arrayOffset, int length, IntPtr pointer = new IntPtr()) : base(array, arrayOffset, length, pointer)
{
if (lockersBuffer != null && lockersBuffer.Length != 64)
{
throw new ArgumentException("Lockers buffer must have length of 64 bytes.");
}
Init(lockersBuffer);
}
// NB this is recursive, the input lockersBuffer should have their own lockersBuffer set to null
// This is to have access to protected Initialize method on the lockersBuffer.
/// <summary>
/// DirectOwnedBuffer constructor. Takes a lockers buffer to store interlocked values for locking and versions.
/// The buffer could be null. DirectOwnedBuffer owns the lockers buffer.
/// </summary>
internal DirectOwnedBuffer(DirectOwnedBuffer <byte> lockersBuffer, T[] array) : base(array)
{
if (lockersBuffer != null && lockersBuffer.Length != 64)
{
throw new ArgumentException("Lockers buffer must have length of 64 bytes.");
}
// locker, version, next version, size, process ref count + padding to fill cache line
Init(lockersBuffer);
}
private void Init(DirectOwnedBuffer <byte> lockers)
{
if (lockers != null)
{
_lockers = lockers;
_lockersHandle = _lockers.Buffer.Pin();
Interlocked.Increment(ref *_processCount);
}
if (TypeHelper <T> .IsPinnable)
{
_dataHandle = this.Buffer.Pin();
}
else
{
if (Array == null)
{
throw new NotSupportedException("Native storage for non-blittable types is not supported");
}
}
}