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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
it has stronger guarantee than atomic inc or atomic dec, but also larger
2016-05-30 13:30 GMT-07:00 Martin Husemann <martin%duskware.de@localhost>:
> On Mon, May 30, 2016 at 01:25:34PM -0700, Charles Cui wrote:
> > there is one remaining slot. And each of them will increase p_nsem by one
> > using atomic_inc, the results are we have 1 slot overused, but the error
> > never detected.
> You will have to use a _nv() variant and use the return value to
> compare that against the limit, then decrement in the error path.
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