[PATCH] Fix rwlock stall with PREFER_WRITER_NONRECURSIVE_NP (bug 23861)

[Andreas Schwab]

On Dez 11 2018, Florian Weimer <fweimer@redhat.com> wrote:

> * Andreas Schwab:
>
>> +volatile int do_exit;
>
> Please no volatile, and use the GCC __atomic builtins instead (not the
> glibc-internal ones, which are inaccessible).

It's only about the compiler not optimizing the access, no atomicity
required.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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