[PATCH] frexp.3: ATTRIBUTES: Note functions that are thread-safe

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The functions frexp(), frexpf() and frexpl() are thread safe.

Signed-off-by: Peng Haitao <penght@xxxxxxxxxxxxxx>
---
 man3/frexp.3 | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/man3/frexp.3 b/man3/frexp.3
index fdd8430..c75d545 100644
--- a/man3/frexp.3
+++ b/man3/frexp.3
@@ -30,7 +30,7 @@
 .\" Modified 2002-07-27 by Walter Harms
 .\" 	(walter.harms@xxxxxxxxxxxxxxxxxxxxxxxxxxx)
 .\"
-.TH FREXP 3 2010-09-20 "" "Linux Programmer's Manual"
+.TH FREXP 3 2013-08-06 "" "Linux Programmer's Manual"
 .SH NAME
 frexp, frexpf, frexpl \- convert floating-point number to fractional
 and integral components
@@ -105,6 +105,14 @@ positive infinity (negative infinity) is returned, and the value of
 is unspecified.
 .SH ERRORS
 No errors occur.
+.SH ATTRIBUTES
+.SS Multithreading (see pthreads(7))
+The
+.BR frexp (),
+.BR frexpf (),
+and
+.BR frexpl ()
+functions are thread-safe.
 .SH CONFORMING TO
 C99, POSIX.1-2001.
 The variant returning
-- 
1.8.3.1

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