[vlc-devel] [PATCH v2 01/10] core: add atomic refcounter helper

Rémi Denis-Courmont remi at remlab.net
Mon Jul 2 17:56:57 CEST 2018

I prefer thread fence over release order but I still don't know any way to make a helper without removing asserts, and I don't want to remove asserts.

Le 2 juillet 2018 18:46:58 GMT+03:00, Romain Vimont <rom1v at videolabs.io> a écrit :
>On Mon, Jul 02, 2018 at 06:32:33PM +0300, Rémi Denis-Courmont wrote:
>> Scratch picture_t, but still read-only objects (e.g. QString backend
>storage) or read-only accesses don't need release barrier.
>> Also acquire barrier is not needed when reference count is more than
>I'm glad you watched the video linked in the commit message more than 3
>minutes (1), so that you were able to apply what the author explained
>some random file in VLC yesterday (2).
>However, I think it would benefit the project more if this was done in
>a helper used many times.
>If you prefer to use the second version (with the explicit fence), we
>can just change the implementation of vlc_atomic_rc_dec().
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