From a3c7be9ea206456b081437f5ab7e0de097f4c3d8 Mon Sep 17 00:00:00 2001
From: emaste <emaste@FreeBSD.org>
Date: Mon, 22 Jul 2013 18:18:21 +0000
Subject: Document EINVAL error return from PT_LWPINFO

---
 lib/libc/sys/ptrace.2 | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/libc/sys/ptrace.2 b/lib/libc/sys/ptrace.2
index 90c4544..458ad8d 100644
--- a/lib/libc/sys/ptrace.2
+++ b/lib/libc/sys/ptrace.2
@@ -2,7 +2,7 @@
 .\"	$NetBSD: ptrace.2,v 1.2 1995/02/27 12:35:37 cgd Exp $
 .\"
 .\" This file is in the public domain.
-.Dd February 7, 2013
+.Dd July 22, 2013
 .Dt PTRACE 2
 .Os
 .Sh NAME
@@ -556,6 +556,14 @@ was attempted on a process with no valid register set.
 was given an invalid value for
 .Fa pve_entry .
 This can also be caused by changes to the VM map of the process.
+.It
+The size (in
+.Fa data )
+provided to
+.Dv PT_LWPINFO
+was less than or equal to zero, or larger than the
+.Vt ptrace_lwpinfo
+structure known to the kernel.
 .El
 .It Bq Er EBUSY
 .Bl -bullet -compact
-- 
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