[PATCH 2/2] bindresvport.3: Add description of the function is thread-safe

[Peng Haitao <penght-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>]

The function bindresvport() uses lock to protect static variable,
so it is thread-safe. The patch can refer to URL:
http://sourceware.org/git/?p=glibc.git;a=commit;h=f6da27e53695ad1cc0e2a9490358decbbfdff5e5

Signed-off-by: Peng Haitao <penght-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
---
 man3/bindresvport.3 | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/man3/bindresvport.3 b/man3/bindresvport.3
index d58c33d..facc297 100644
--- a/man3/bindresvport.3
+++ b/man3/bindresvport.3
@@ -24,7 +24,7 @@
 .\" 2007-05-31, mtk: Rewrite and substantial additional text.
 .\" 2008-12-03, mtk: Rewrote some pieces and fixed some errors
 .\"
-.TH BINDRESVPORT 3  2008-12-03 "" "Linux Programmer's Manual"
+.TH BINDRESVPORT 3  2012-12-04 "" "Linux Programmer's Manual"
 .SH NAME
 bindresvport \- bind a socket to a privileged IP port
 .SH SYNOPSIS
@@ -86,6 +86,11 @@ is not NULL and
 .I sin->sin_family
 is not
 .BR AF_INET .
+.SH ATTRIBUTES
+.SS Multithreading (see pthreads(7))
+The
+.BR bindresvport ()
+function is thread-safe.
 .SH "CONFORMING TO"
 Not in POSIX.1-2001.
 Present on the BSDs, Solaris, and many other systems.
-- 
1.8.0

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