From 39720f03eb1ad5fa3fc77efd65f74f4f51abc2f0 Mon Sep 17 00:00:00 2001
From: Michael Kerrisk <mtk.manpages@gmail.com>
Date: Sun, 19 Jul 2015 14:51:35 +0200
Subject: [PATCH] dlsym.3: ATTRIBUTES: Note functions that are thread-safe

After research, We think
* dlsym(),
* dlvsym()
are thread-safe. But, there are not markings of them in
glibc document.

[mtk: Split out patch for formerly single dlopen.3 page]

Signed-off-by: Zeng Linggang <zenglg.jy@cn.fujitsu.com>

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
---
 man3/dlsym.3 | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/man3/dlsym.3 b/man3/dlsym.3
index ffe5a9174..35151967f 100644
--- a/man3/dlsym.3
+++ b/man3/dlsym.3
@@ -111,6 +111,19 @@ the cause of the error can be diagnosed using
 is present in glibc 2.0 and later.
 .BR dlvsym ()
 first appeared in glibc 2.1.
+.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 dlsym (),
+.BR dlvsym ()
+T}	Thread safety	MT-Safe
+.TE
 .SH CONFORMING TO
 POSIX.1-2001 describes
 .BR dlsym ().