[PATCH] sched_setattr.2: Add note about missing glibc wrappers

[PATCH] sched_setattr.2: Add note about missing glibc wrappers

[Alejandro Colomar]

......

.../glibc$ grep_glibc_prototype sched_setattr
.../glibc$ grep_glibc_prototype sched_getattr
.../glibc$

Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
---
 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),
-- 
2.30.0

Re: [PATCH] sched_setattr.2: Add note about missing glibc wrappers

[Michael Kerrisk (man-pages)]

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 <alx.manpages@gmail.com>

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/