From 6d682990cdf9fbd67335623ca21b94d6744f2318 Mon Sep 17 00:00:00 2001
From: Ma Shimiao <mashimiao.fnst@cn.fujitsu.com>
Date: Wed, 31 Dec 2014 13:22:35 +0800
Subject: [PATCH] setenv.3: ATTRIBUTES: Note functions that are thread-unsafe

The function setenv() and unsetenv() are thread unsafe.

Signed-off-by: Ma Shimiao <mashimiao.fnst@cn.fujitsu.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
---
 man3/setenv.3 | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/man3/setenv.3 b/man3/setenv.3
index 6683d5977..e28bf0d78 100644
--- a/man3/setenv.3
+++ b/man3/setenv.3
@@ -125,6 +125,19 @@ or contains an \(aq=\(aq character.
 .TP
 .B ENOMEM
 Insufficient memory to add a new variable to the environment.
+.SH ATTRIBUTES
+For an explanation of the terms used in this section, see
+.BR attributes (7).
+.TS
+allbox;
+lb lb lb
+l l l.
+Interface	Attribute	Value
+T{
+.BR setenv (),
+.BR unsetenv ()
+T}	Thread safety	MT-Unsafe const:env
+.TE
 .SH CONFORMING TO
 4.3BSD, POSIX.1-2001.
 .SH NOTES