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.\" $OpenBSD: delay.9,v 1.4 2007/09/14 16:16:08 mk Exp $
.\"
.\" Copyright (c) 2006 David Gwynne <dlg@openbsd.org>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd $Mdocdate: September 14 2007 $
.Dt DELAY 9
.Os
.Sh NAME
.Nm delay
.Nd busy wait for an interval
.Sh SYNOPSIS
.In sys/param.h
.Ft void
.Fn delay "int delay"
.Sh DESCRIPTION
.Fn delay
is called in the kernel to busy wait for a period of time.
The
.Fa delay
argument specifies the period of time to wait for, in microseconds.
.Sh SEE ALSO
.Xr timeout 9 ,
.Xr tsleep 9
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