[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
Re: pthread library related
good to know atomic_inc_uint_nv is implemented using cas.
I will update the patch and send you guys later (being careful about the
2016-05-30 13:46 GMT-07:00 Christos Zoulas <christos%zoulas.com@localhost>:
> On May 30, 1:43pm, charles.cui1984%gmail.com@localhost (Charles Cui) wrote:
> -- Subject: Re: pthread library related
> | I am not familiar with _nv() (are there examples in the netbsd code
> base? I
> | searched _nv() in nxr, but did not found anything meaningful.),
> | but if you want to use atomic operations, one possible way is
> | compare-and-swap (CAS).
> | it has stronger guarantee than atomic inc or atomic dec, but also larger
> | overhead.
> man atomic_inc_uint_nv
Main Index |
Thread Index |