Re: [PATCH] nptl: pthread_rwlock_rdlock return in low priority

[abush wang <abushwangs@gmail.com>]

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ignore this empty line, i just want send this mail

Xi Ruoyao <xry111@xry111.site> 于2023年3月7日周二 16:40写道：

> On Tue, 2023-03-07 at 11:50 +0800, abushwang via Libc-alpha wrote:
> > Signed-off-by: abushwang <abushwangs@gmail.com>
> > ---
> >  nptl/pthread_rwlock_common.c | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/nptl/pthread_rwlock_common.c b/nptl/pthread_rwlock_common.c
> > index 5266a00ed1..35b00fc14f 100644
> > --- a/nptl/pthread_rwlock_common.c
> > +++ b/nptl/pthread_rwlock_common.c
> > @@ -389,6 +389,7 @@ __pthread_rwlock_rdlock_full64 (pthread_rwlock_t
> *rwlock, clockid_t clockid,
> >       complexity.  */
> >    if (__glibc_likely ((r & PTHREAD_RWLOCK_WRPHASE) == 0))
> >      return 0;
> > +
>
> I don't think simply adding an empty line can fix anything.
>
> >    /* Otherwise, if we were in a write phase (states #6 or #8), we must
> wait
> >       for explicit hand-over of the read phase; the only exception is if
> we
> >       can start a read phase if there is no primary writer currently.  */
> > --
> > 2.36.1
>
> --
> Xi Ruoyao <xry111@xry111.site>
> School of Aerospace Science and Technology, Xidian University
>