Module Name: src
Committed By: christos
Date: Sat Feb 1 22:42:45 UTC 2014
Modified Files:
src/lib/libc/sys: nanosleep.2
Log Message:
mention how HZ affects us
To generate a diff of this commit:
cvs rdiff -u -r1.14 -r1.15 src/lib/libc/sys/nanosleep.2
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/lib/libc/sys/nanosleep.2
diff -u src/lib/libc/sys/nanosleep.2:1.14 src/lib/libc/sys/nanosleep.2:1.15
--- src/lib/libc/sys/nanosleep.2:1.14 Tue Dec 24 19:58:50 2013
+++ src/lib/libc/sys/nanosleep.2 Sat Feb 1 17:42:45 2014
@@ -1,4 +1,4 @@
-.\" $NetBSD: nanosleep.2,v 1.14 2013/12/25 00:58:50 dholland Exp $
+.\" $NetBSD: nanosleep.2,v 1.15 2014/02/01 22:42:45 christos Exp $
.\"
.\" Copyright (c) 1986, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
@@ -29,7 +29,7 @@
.\"
.\" @(#)sleep.3 8.1 (Berkeley) 6/4/93
.\"
-.Dd October 1, 2012
+.Dd February 1, 2014
.Dt NANOSLEEP 2
.Os
.Sh NAME
@@ -163,3 +163,15 @@ The
.Fn clock_nanosleep
function conforms to
.St -p1003.1j-2000 .
+.Sh BUGS
+The
+.Nx
+kernel is not tickless, so the maximum sleep resolution is determined
+by the value of
+.Dv HZ
+which is by default
+.Dv 100
+in most architectures.
+This means that a request to sleep for less than
+.Dv 10ms
+(1 / HZ seconds), is rounded up to that.
