Re: [PATCH] setnetgrent.3: ATTRIBUTES: Note functions that aren't thread-safe

["Michael Kerrisk (man-pages)" <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

On 04/16/2015 07:09 AM, Zeng Linggang wrote:
> The markings match glibc markings.


Thanks, Zeng. Applied.

Cheers,

Michael

> setnetgrent:   MT-Unsafe race:netgrent locale
> getnetgrent_r: MT-Unsafe race:netgrent locale
> innetgr:       MT-Unsafe race:netgrent locale
> 
> endnetgrent:   MT-Unsafe race:netgrent
> 
> getnetgrent:   MT-Unsafe race:netgrent race:netgrentbuf locale
> 
> Signed-off-by: Zeng Linggang <zenglg.jy-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
> ---
>  man3/setnetgrent.3 | 44 ++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 44 insertions(+)
> 
> diff --git a/man3/setnetgrent.3 b/man3/setnetgrent.3
> index 24675c8..233bea6 100644
> --- a/man3/setnetgrent.3
> +++ b/man3/setnetgrent.3
> @@ -89,6 +89,50 @@ These functions return 1 on success and 0 for failure.
>  .I /etc/netgroup
>  .br
>  .I /etc/nsswitch.conf
> +.SH ATTRIBUTES
> +For an explanation of the terms used in this section, see
> +.BR attributes (7).
> +.TS
> +allbox;
> +lbw16 lb lbw23
> +l l l.
> +Interface	Attribute	Value
> +T{
> +.BR setnetgrent (),
> +.br
> +.BR getnetgrent_r (),
> +.br
> +.BR innetgr ()
> +T}	Thread safety	T{
> +MT-Unsafe race:netgrent
> +.br
> +locale
> +T}
> +T{
> +.BR endnetgrent ()
> +T}	Thread safety	MT-Unsafe race:netgrent
> +T{
> +.BR getnetgrent ()
> +T}	Thread safety	T{
> +MT-Unsafe race:netgrent
> +.br
> +race:netgrentbuf locale
> +T}
> +.TE
> +
> +In the above table,
> +.I netgrent
> +in
> +.I race:netgrent
> +signifies that if any of the functions
> +.BR setnetgrent (3),
> +.BR getnetgrent_r (3),
> +.BR innetgr (3),
> +.BR getnetgrent (3),
> +or
> +.BR endnetgrent (3)
> +are used in parallel in different threads of a program,
> +then data races could occur.
>  .SH CONFORMING TO
>  These functions are not in POSIX.1-2001, but
>  .BR setnetgrent (),
> 


-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
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