atan2.3: ATTRIBUTES: Note functions that are thread-safe

The function atan2(), atan2f() and atan2l() are thread safe.

Signed-off-by: Ma Shimiao <mashimiao.fnst@cn.fujitsu.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man3/atan2.3 b/man3/atan2.3
index ab2efd6ce49e7d616707650b4c26a2065c2898fa..40ef2c934d0d75d73fb369c5c4db372400995d86 100644 (file)
--- a/man3/atan2.3
+++ b/man3/atan2.3
@@ -163,6 +163,20 @@ is positive infinity, +pi/4 (\-pi/4) is returned.
 No errors occur.
 .\" POSIX.1 documents an optional underflow error
 .\" glibc 2.8 does not do this.
+.SH ATTRIBUTES
+For an explanation of the terms used in this section, see
+.BR attributes (7).
+.TS
+allbox;
+lbw28 lb lb
+l l l.
+Interface      Attribute       Value
+T{
+.BR atan2 (),
+.BR atan2f (),
+.BR atan2l ()
+T}     Thread safety   MT-Safe
+.TE
 .SH CONFORMING TO
 C99, POSIX.1-2001.
 The variant returning