[Gc] Problem with GC on FreeBSD
urkedal at nbi.dk
Sun Apr 22 08:14:12 PDT 2012
On 2012-04-22, Ivan Maidanski wrote:
> Petter -
> I'm not sure about the the correctness of the fix proposed by your. So, I put it into another branch for a while - https://github.com/ivmai/bdwgc/tree/fix-freelist-check-and-specific
> I've split your patch into a refactoring one and the fix itself (with minor modifications like 2nd AO_load_acq -> AO_load).
AO_load seems more logical yes. (Though, if I understand the AO
documentation right, the first AO_load_acquire should ensure ordering of
the two reads even if the latter was a regular read.)
> The alternate solution could be to call the check with the stopped world (but it seems to me not a trivial task to move the check there).
Yes, that should work, even if a thread is suspended during a
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