Synchronizing auxiliary mutex data

[Andreas Schwab]

On Jun 19 2017, Torvald Riegel <triegel@redhat.com> wrote:

> * We write to __owner only when in the critical section, with relaxed
> MO; we write TID after lock and 0 before unlock.  Those writes are
> ordered by the critical section.

How does it guarantee that the thread calling pthread_mutex_lock see the
change that the thread calling pthread_mutex_unlock did?

> __count is only accessed within the critical section IIRC.

Same here.

Andreas.

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Andreas Schwab, SUSE Labs, schwab@suse.de
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