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([2001:a61:3a2d:1d01:e14:1e8b:dca4:7d73]) by smtp.gmail.com with ESMTPSA id t2sm25458174wru.53.2021.02.15.11.56.43 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 15 Feb 2021 11:56:43 -0800 (PST) Cc: mtk.manpages@gmail.com, linux-man@vger.kernel.org Subject: Re: [PATCH] sched_setattr.2: Add note about missing glibc wrappers To: Alejandro Colomar References: <20210215131522.450666-2-alx.manpages@gmail.com> From: "Michael Kerrisk (man-pages)" Message-ID: <354e4c8d-1ea6-e5b2-6bad-f2ac55f0050a@gmail.com> Date: Mon, 15 Feb 2021 20:56:42 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: <20210215131522.450666-2-alx.manpages@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-man@vger.kernel.org Hi Alex, On 2/15/21 2:15 PM, Alejandro Colomar wrote: > ...... > > .../glibc$ grep_glibc_prototype sched_setattr > .../glibc$ grep_glibc_prototype sched_getattr > .../glibc$ > > Signed-off-by: Alejandro Colomar Thanks! Patch applied. Cheers, Michael > --- > man2/sched_setattr.2 | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/man2/sched_setattr.2 b/man2/sched_setattr.2 > index ecbdbffc4..c79b74a49 100644 > --- a/man2/sched_setattr.2 > +++ b/man2/sched_setattr.2 > @@ -37,6 +37,9 @@ set and get scheduling policy and attributes > .BI " unsigned int " size ", unsigned int " flags ); > .fi > .\" FIXME . Add feature test macro requirements > +.PP > +.IR Note : > +There are no glibc wrappers for these system calls; see NOTES. > .SH DESCRIPTION > .SS sched_setattr() > The > @@ -388,6 +391,9 @@ These system calls first appeared in Linux 3.14. > .SH CONFORMING TO > These system calls are nonstandard Linux extensions. > .SH NOTES > +Glibc does not provide wrappers for these system calls; call them using > +.BR syscall (2). > +.PP > .BR sched_setattr () > provides a superset of the functionality of > .BR sched_setscheduler (2), > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/