[libvirt] [PATCH 1/2] virObjectUnref: Set pointer to NULL on dispose
Daniel P. Berrange
berrange at redhat.com
Fri Nov 8 05:27:28 UTC 2013
On Thu, Nov 07, 2013 at 11:39:27AM +0100, Michal Privoznik wrote:
> Similarly to VIR_FREE() we can set the pointer passed to virObjectUnref
> to NULL in case of disposing the object. However, to avoid overwriting
> nearly thousands line of code, the virObjectUnref is turned into a macro
> which passes the address of pointer and calls virObjectUnrefInternal
> (the modified version of original virObjectUnref).
I have to say I'm not really liking this, and your impl is not race
free since you're not atomically updating the point.
Daniel
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