From 929c1cc1fea85a6f5300b950856bf86229871a7b Mon Sep 17 00:00:00 2001
From: kamil <kamil@NetBSD.org>
Date: Sat, 7 Jan 2017 01:29:18 +0000
Subject: [PATCH] ptrace(2): Document addr and data argument usage for
 PT_GET_PROCESS_STATE

The PT_GET_PROCESS_STATE call in ptrace(2) has the following usage of addr
and data:

    A pointer to this structure is passed in addr.  The data
    argument should be set to sizeof(struct ptrace_event).

Sponsored by <The NetBSD Foundation>
---
 lib/libc/sys/ptrace.2 | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/lib/libc/sys/ptrace.2 b/lib/libc/sys/ptrace.2
index d4977f8b5ff3..d9fd396c6cf6 100644
--- a/lib/libc/sys/ptrace.2
+++ b/lib/libc/sys/ptrace.2
@@ -1,7 +1,7 @@
-.\"	$NetBSD: ptrace.2,v 1.46 2016/12/29 22:17:51 kamil Exp $
+.\"	$NetBSD: ptrace.2,v 1.47 2017/01/07 01:29:18 kamil Exp $
 .\"
 .\" This file is in the public domain.
-.Dd November 1, 2016
+.Dd January 7, 2016
 .Dt PTRACE 2
 .Os
 .Sh NAME
@@ -309,7 +309,7 @@ pointed to by
 The
 .Fa data
 argument should be set to
-.Li sizeof(struct ptrace_event) .
+.Li sizeof(struct ptrace_state) .
 .It Dv PT_GET_PROCESS_STATE
 This request reads the state information associated with the event
 that stopped the traced process.
@@ -322,6 +322,13 @@ typedef struct ptrace_state {
 	pid_t	pe_other_pid;
 } ptrace_state_t;
 .Ed
+.Pp
+A pointer to this structure is passed in
+.Fa addr .
+The
+.Fa data
+argument should be set to
+.Li sizeof(struct ptrace_event) .
 .El
 .Pp
 Additionally, the following requests exist but are