[PATCH v2] getutent.3: ATTRIBUTES: Note functions those aren't thread-safe

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The markings match glibc markings.

Signed-off-by: Zeng Linggang <zenglg.jy@xxxxxxxxxxxxxx>
---
 man3/getutent.3 | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/man3/getutent.3 b/man3/getutent.3
index 4ff5581..3365382 100644
--- a/man3/getutent.3
+++ b/man3/getutent.3
@@ -155,6 +155,46 @@ functions can also fail for the reasons described in
 /var/run/utmp	database of currently logged-in users
 .br
 /var/log/wtmp	database of past user logins
+.SH ATTRIBUTES
+For an explanation of the terms used in this section, see
+.BR attributes (7).
+.TS
+allbox;
+lb lb lbw28
+l l l.
+Interface	Attribute	Value
+T{
+.BR getutent ()
+T}	Thread safety	T{
+MT-Unsafe init race:utent
+.br
+race:utentbuf sig:ALRM timer
+T}
+T{
+.BR getutid (),
+.br
+.BR getutline ()
+T}	Thread safety	T{
+MT-Unsafe init race:utent
+.br
+sig:ALRM timer
+T}
+T{
+.BR pututline ()
+T}	Thread safety	T{
+MT-Unsafe race:utent
+.br
+sig:ALRM timer
+T}
+T{
+.BR setutent (),
+.br
+.BR endutent (),
+.br
+.BR utmpname ()
+T}	Thread safety	MT-Unsafe race:utent
+.TE
+
 .SH CONFORMING TO
 XPG2, SVr4.
 .LP
-- 
1.9.3

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