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[src/trunk]: src/lib/libc/sys Document sbrk() history and adjust brk()'s.



details:   https://anonhg.NetBSD.org/src/rev/d0fecb33fd85
branches:  trunk
changeset: 454162:d0fecb33fd85
user:      sevan <sevan%NetBSD.org@localhost>
date:      Sat Sep 07 11:59:42 2019 +0000

description:
Document sbrk() history and adjust brk()'s.

via Ingo Schwarze <schwarze@OpenBSD>

diffstat:

 lib/libc/sys/brk.2 |  10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diffs (34 lines):

diff -r 84e8e1a3d73d -r d0fecb33fd85 lib/libc/sys/brk.2
--- a/lib/libc/sys/brk.2        Sat Sep 07 11:57:08 2019 +0000
+++ b/lib/libc/sys/brk.2        Sat Sep 07 11:59:42 2019 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: brk.2,v 1.34 2016/08/28 05:07:50 wiz Exp $
+.\"    $NetBSD: brk.2,v 1.35 2019/09/07 11:59:42 sevan Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"     @(#)brk.2      8.4 (Berkeley) 5/1/95
 .\"
-.Dd August 27, 2016
+.Dd September 7, 2019
 .Dt BRK 2
 .Os
 .Sh NAME
@@ -198,10 +198,14 @@
 .Xr malloc 3 ,
 .Xr sysconf 3
 .Sh HISTORY
+An
+.Fn sbrk
+function call appeared in
+.At v4.
 A
 .Fn brk
 function call appeared in
-.At v7 .
+.At v6 .
 .Sh BUGS
 Setting the break may fail due to a temporary lack of swap space.
 It is not possible to distinguish this from a failure caused by



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