diff --git a/man3/getservent.3 b/man3/getservent.3
index c22905315..a475b2eba 100644
--- a/man3/getservent.3
+++ b/man3/getservent.3
@@ -154,6 +154,57 @@ error occurs or the end of the file is reached.
 .TP
 .I /etc/services
 services database file
+.SH ATTRIBUTES
+For an explanation of the terms used in this section, see
+.BR attributes (7).
+.TS
+allbox;
+lbw15 lb lbw25
+l l l.
+Interface	Attribute	Value
+T{
+.BR getservent ()
+T}	Thread safety	T{
+MT-Unsafe race:servent
+.br
+race:serventbuf locale
+T}
+T{
+.BR getservbyname ()
+T}	Thread safety	T{
+MT-Unsafe race:servbyname
+.br
+locale
+T}
+T{
+.BR getservbyport ()
+T}	Thread safety	T{
+MT-Unsafe race:servbyport
+.br
+locale
+T}
+T{
+.BR setservent (),
+.br
+.BR endservent ()
+T}	Thread safety	T{
+MT-Unsafe race:servent
+.br
+locale
+T}
+.TE
+
+In the above table,
+.I servent
+in
+.I race:servent
+signifies that if any of the functions
+.BR setservent (3),
+.BR getservent (3),
+or
+.BR endservent (3)
+are used in parallel in different threads of a program,
+then data races could occur.
 .SH CONFORMING TO
 4.3BSD, POSIX.1-2001.
 .SH SEE ALSO