From 5cb84ec742fd33f78c8022863fadaa8d0d93e176 Mon Sep 17 00:00:00 2001 From: Jacob McDonnell Date: Sat, 25 Apr 2026 15:32:58 -0400 Subject: feat: Added NetBSD man pages --- static/netbsd/man9/delay.9 | 60 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 static/netbsd/man9/delay.9 (limited to 'static/netbsd/man9/delay.9') diff --git a/static/netbsd/man9/delay.9 b/static/netbsd/man9/delay.9 new file mode 100644 index 00000000..70f60737 --- /dev/null +++ b/static/netbsd/man9/delay.9 @@ -0,0 +1,60 @@ +.\" $NetBSD: delay.9,v 1.8 2021/05/31 12:24:15 simonb Exp $ +.\" +.\" Copyright (c) 2002 The NetBSD Foundation, Inc. +.\" All rights reserved. +.\" +.\" This code is derived from software contributed to The NetBSD Foundation +.\" by Gregory McGarry. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS +.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS +.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +.\" POSSIBILITY OF SUCH DAMAGE. +.\" +.Dd July 20, 2011 +.Dt DELAY 9 +.Os +.Sh NAME +.Nm delay , +.Nm DELAY +.Nd microsecond delay +.Sh SYNOPSIS +.In sys/param.h +.Ft void +.Fn delay "unsigned int us" +.Ft void +.Fn DELAY "unsigned int us" +.Sh DESCRIPTION +Wait approximately +.Fa us +microseconds. +.Pp +The delay is implemented as a machine loop, preventing events other than +interrupt handlers for unmasked interrupts to run. +.Fn DELAY +is reentrant (doesn't modify any global kernel or machine state) and is +safe to use in interrupt or process context. +.Pp +For long delays, condition variables +should be considered, however they can only be used from process context +and their resolution is limited by the system clock frequency. +.Sh SEE ALSO +.Xr condvar 9 , +.Xr hz 9 , +.Xr kpause 9 -- cgit v1.2.3