diff --git a/man7/pthreads.7 b/man7/pthreads.7
index 9faf84db1..162f5278a 100644
--- a/man7/pthreads.7
+++ b/man7/pthreads.7
@@ -21,7 +21,7 @@
 .\" Formatted or processed versions of this manual, if unaccompanied by
 .\" the source, must acknowledge the copyright and authors of this work.
 .\"
-.TH PTHREADS 7  2008-11-18 "Linux" "Linux Programmer's Manual"
+.TH PTHREADS 7  2010-11-14 "Linux" "Linux Programmer's Manual"
 .SH NAME
 pthreads \- POSIX threads
 .SH DESCRIPTION
@@ -231,6 +231,21 @@ wcstombs()
 wctomb()
 .fi
 .in
+.SS Async-cancel-safe functions
+An async-cancel-safe function is one that can be safely called
+in an application where asynchronous cancelability is enabled (see
+.BR pthread_setcancelstate (3)).
+
+Only the following functions are required to be async-cancel-safe by
+POSIX.1-2001 and POSIX.1-2008:
+.in +4n
+.nf
+
+pthread_cancel()
+pthread_setcancelstate()
+pthread_setcanceltype()
+.fi
+.in
 .SS Cancellation Points
 POSIX.1 specifies that certain functions must,
 and certain other functions may, be cancellation points.