internal static GCHandleProxy Alloc(object value)
{
var gch = new GCHandleProxy(System.Runtime.InteropServices.GCHandle.Alloc(value));
var weak = new WeakReference(value);
var oldWeak = allocatedHandles.GetOrAdd(ToIntPtr(gch), weak);
if (weak != oldWeak)
{
throw new InvalidOperationException(
$"GC handle has already been allocated for this memory location. " +
$"Old: {oldWeak.Target} New: {value}");
}
return(gch);
}
internal static IntPtr ToIntPtr(GCHandleProxy value) => System.Runtime.InteropServices.GCHandle.ToIntPtr(value.gch);
