[PATCH] wctrans.3: ATTRIBUTES: Note function that is thread safe with exceptions

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The function wctrans() is thread safe with exceptions.

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

diff --git a/man3/wctrans.3 b/man3/wctrans.3
index 4cc354d..4d0a5c2 100644
--- a/man3/wctrans.3
+++ b/man3/wctrans.3
@@ -13,7 +13,7 @@
 .\"   OpenGroup's Single UNIX specification http://www.UNIX-systems.org/online.html
 .\"   ISO/IEC 9899:1999
 .\"
-.TH WCTRANS 3  1999-07-25 "GNU" "Linux Programmer's Manual"
+.TH WCTRANS 3  2013-11-04 "GNU" "Linux Programmer's Manual"
 .SH NAME
 wctrans \- wide-character translation mapping
 .SH SYNOPSIS
@@ -59,6 +59,14 @@ function returns a mapping descriptor if the
 is valid.
 Otherwise it returns
 .IR "(wctrans_t)\ 0" .
+.SH ATTRIBUTES
+.SS Multithreading (see pthreads(7))
+The
+.BR wctrans ()
+function is thread-safe with exceptions.
+It can be safely used in multithreaded applications, as long as
+.BR setlocale (3)
+is not called to change the locale.
 .SH CONFORMING TO
 C99.
 .SH NOTES
-- 
1.8.3.1

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