From e0d16ae5e73b48bb313c28873b0d9adb0344b9b9 Mon Sep 17 00:00:00 2001
From: Michael Kerrisk <mtk.manpages@gmail.com>
Date: Mon, 29 Sep 2008 03:51:49 +0200
Subject: [PATCH] wait4.2: wait3() is a library function layered on wait4().

On Linux wait3() is a library function implemented on top of wait4().
(Knowing this is useful when using strace(2), for example.)
---
 man2/wait4.2 | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/man2/wait4.2 b/man2/wait4.2
index 7df1d77b4..eafb109e0 100644
--- a/man2/wait4.2
+++ b/man2/wait4.2
@@ -31,7 +31,7 @@
 .\"	Rewrote much of this page, and removed much duplicated text,
 .\"		replacing with pointers to wait.2
 .\"
-.TH WAIT4 2  2007-07-26 "Linux" "Linux Programmer's Manual"
+.TH WAIT4 2  2008-09-28 "Linux" "Linux Programmer's Manual"
 .SH NAME
 wait3, wait4 \- wait for process to change state, BSD style
 .SH SYNOPSIS
@@ -137,6 +137,12 @@ structure with fields of type
 .I struct timeval
 defined in
 .IR <sys/time.h> .)
+
+On Linux,
+.BR wait3 ()
+is a library function implemented on top of the
+.BR wait4 ()
+system call.
 .SH "SEE ALSO"
 .BR fork (2),
 .BR getrusage (2),