[Development] atomic reference counting implementation

[Giuseppe D'Angelo]

Il 07/08/19 20:00, Mutz, Marc via Development ha scritto:
> This was discussed in
> https://codereview.qt-project.org/c/qt/qtbase/+/66118. See, in
> particular, Olivier's comment.
> 
> TL;DR: ref() is documented to be ordered, so cannot be changed.

On the other hand, QSharedData's ref member is an implementation detail 
(the QRefCount class is even private API), and the semantics of 
ref/deref on it are undocumnted, so *that* could be changed right now. 
Although I'd still feel very uncomfortable at doing so.

My 2 c,
-- 
Giuseppe D'Angelo | giuseppe.dangelo at kdab.com | Senior Software Engineer
KDAB (France) S.A.S., a KDAB Group company
Tel. France +33 (0)4 90 84 08 53, http://www.kdab.com
KDAB - The Qt, C++ and OpenGL Experts

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