/// <summary>
/// Returns a pointer to a structure, allocated in unmanaged memory.
/// </summary>
/// <typeparam name="T">A ref-free type.</typeparam>
/// <param name="mps">The pointer holder.</param>
/// <returns></returns>
public unsafe static T *Reserve <T>(out MarshalSlot mps) where T : unmanaged
{
mps = new MarshalSlot(sizeof(T));
var p = (T *)mps.slotPtr.ToPointer();
return(p);
}
/// <summary>
/// Store an unmanaged structure which has no managed references.
/// </summary>
/// <typeparam name="T">Unmanaged structure type</typeparam>
/// <param name="str">The value</param>
/// <returns></returns>
public unsafe static MarshalSlot Store <T>(T str) where T : unmanaged
{
var mps = new MarshalSlot(sizeof(T));
var p = (T *)mps.slotPtr.ToPointer();
*p = str;
return(mps);
}
/// <summary>
/// Only the size argument is used.
/// </summary>
/// <param name="size">The size in bytes.</param>
/// <param name="tries">Ignored</param>
/// <param name="awaitMS">Ignored</param>
/// <returns>Either a HeapSlot or a MarshalSlot</returns>
public MemoryFragment AllocFragment(int size, int tries = 0, int awaitMS = 10)
{
MemoryFragment f = null;
if (allocateNativeHeapSlots)
{
f = new HeapSlot(size);
}
else
{
f = new MarshalSlot(size);
}
return(f);
}