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Wed, 15 Sep 2021 17:07:24 -0500 Received: (from bmarzins@localhost) by octiron.msp.redhat.com (8.14.9/8.14.9/Submit) id 18FM7Nek006337; Wed, 15 Sep 2021 17:07:23 -0500 Date: Wed, 15 Sep 2021 17:07:23 -0500 From: Benjamin Marzinski To: mwilck@suse.com Message-ID: <20210915220723.GN3087@octiron.msp.redhat.com> References: <20210910114120.13665-1-mwilck@suse.com> <20210910114120.13665-3-mwilck@suse.com> MIME-Version: 1.0 In-Reply-To: <20210910114120.13665-3-mwilck@suse.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-loop: dm-devel@redhat.com Cc: lixiaokeng@huawei.com, dm-devel@redhat.com, Chongyun Wu Subject: Re: [dm-devel] [PATCH 02/35] libmultipath: add trylock() helper X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On Fri, Sep 10, 2021 at 01:40:47PM +0200, mwilck@suse.com wrote: > From: Martin Wilck > > Add a small helper. > > Signed-off-by: Martin Wilck Reviewed-by: Benjamin Marzinski > --- > libmultipath/lock.h | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/libmultipath/lock.h b/libmultipath/lock.h > index a170efe..d99eedb 100644 > --- a/libmultipath/lock.h > +++ b/libmultipath/lock.h > @@ -12,6 +12,11 @@ static inline void lock(struct mutex_lock *a) > pthread_mutex_lock(&a->mutex); > } > > +static inline int trylock(struct mutex_lock *a) > +{ > + return pthread_mutex_trylock(&a->mutex); > +} > + > static inline int timedlock(struct mutex_lock *a, struct timespec *tmo) > { > return pthread_mutex_timedlock(&a->mutex, tmo); > -- > 2.33.0 -- dm-devel mailing list dm-devel@redhat.com https://listman.redhat.com/mailman/listinfo/dm-devel