From 232f1f004fab40b03a400c3a04f91fbc8e54d9c4 Mon Sep 17 00:00:00 2001
From: cheloha <cheloha@openbsd.org>
Date: Sun, 25 Jul 2021 15:47:26 +0000
Subject: [PATCH] nanosleep.2: HISTORY: correct historic sleep() system call
 origins

A sleep() system call first appeared in Research UNIX v2, not v3.
See, e.g., the TOC here:

https://www.tuhs.org/Archive/Distributions/Research/Dennis_v2/v2man.pdf

Pointed out by jsg@ in a related discussion on tech@:

https://marc.info/?l=openbsd-tech&m=162718667209936&w=2
---
 lib/libc/sys/nanosleep.2 | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/libc/sys/nanosleep.2 b/lib/libc/sys/nanosleep.2
index fc2bffb9a9d..53cdabd2048 100644
--- a/lib/libc/sys/nanosleep.2
+++ b/lib/libc/sys/nanosleep.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: nanosleep.2,v 1.17 2021/07/23 12:47:21 cheloha Exp $
+.\"	$OpenBSD: nanosleep.2,v 1.18 2021/07/25 15:47:26 cheloha Exp $
 .\"	$NetBSD: nanosleep.2,v 1.1 1997/04/17 18:12:02 jtc Exp $
 .\"
 .\" Copyright (c) 1986, 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)sleep.3	8.1 (Berkeley) 6/4/93
 .\"
-.Dd $Mdocdate: July 23 2021 $
+.Dd $Mdocdate: July 25 2021 $
 .Dt NANOSLEEP 2
 .Os
 .Sh NAME
@@ -114,7 +114,7 @@ function conforms to
 The predecessor of this system call,
 .Fn sleep ,
 first appeared in
-.At v3 .
+.At v2 .
 It was removed in
 .At v7
 and replaced with a C library implementation based on
-- 
2.20.1