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[src/trunk]: src/share/man/man7 Document usage of KERN_ARND



details:   https://anonhg.NetBSD.org/src/rev/51218c96cac2
branches:  trunk
changeset: 461134:51218c96cac2
user:      nia <nia%NetBSD.org@localhost>
date:      Sat Nov 16 17:33:09 2019 +0000

description:
Document usage of KERN_ARND

diffstat:

 share/man/man7/sysctl.7 |  8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diffs (22 lines):

diff -r 624f09d66e94 -r 51218c96cac2 share/man/man7/sysctl.7
--- a/share/man/man7/sysctl.7   Sat Nov 16 15:51:26 2019 +0000
+++ b/share/man/man7/sysctl.7   Sat Nov 16 17:33:09 2019 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: sysctl.7,v 1.141 2019/11/14 21:23:46 jdolecek Exp $
+.\"    $NetBSD: sysctl.7,v 1.142 2019/11/16 17:33:09 nia Exp $
 .\"
 .\" Copyright (c) 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -383,8 +383,10 @@
 upon loading or unloading the corresponding kernel module.
 .It Li kern.aio_max
 The maximum number of asynchronous I/O operations.
-.It Li kern.arandom
-This variable picks a random number each time it is queried.
+.It Li kern.arandom ( Dv KERN_ARND )
+This variable returns up to 256 bytes of random data.
+Multiple queries can be used to obtain an infinite amount of
+non-blocking cryptographically secure random data.
 The used random number generator
 .Pf ( RNG )
 is based on



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