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Revision 1.2, Sun Sep 13 17:55:42 2015 UTC (8 years, 8 months ago) by jmc
Branch: MAIN
CVS Tags: OPENBSD_7_5_BASE, OPENBSD_7_5, OPENBSD_7_4_BASE, OPENBSD_7_4, OPENBSD_7_3_BASE, OPENBSD_7_3, OPENBSD_7_2_BASE, OPENBSD_7_2, OPENBSD_7_1_BASE, OPENBSD_7_1, OPENBSD_7_0_BASE, OPENBSD_7_0, OPENBSD_6_9_BASE, OPENBSD_6_9, OPENBSD_6_8_BASE, OPENBSD_6_8, OPENBSD_6_7_BASE, OPENBSD_6_7, OPENBSD_6_6_BASE, OPENBSD_6_6, OPENBSD_6_5_BASE, OPENBSD_6_5, OPENBSD_6_4_BASE, OPENBSD_6_4, OPENBSD_6_3_BASE, OPENBSD_6_3, OPENBSD_6_2_BASE, OPENBSD_6_2, OPENBSD_6_1_BASE, OPENBSD_6_1, OPENBSD_6_0_BASE, OPENBSD_6_0, OPENBSD_5_9_BASE, OPENBSD_5_9, HEAD
Changes since 1.1: +3 -3 lines 

vallue -> value;

.\" $OpenBSD: intr_barrier.9,v 1.2 2015/09/13 17:55:42 jmc Exp $
.\"
.\" Copyright (c) 2015 Mark Kettenis
.\"
.\" 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 13 2015 $
.Dt INTR_BARRIER 9
.Os
.Sh NAME
.Nm intr_barrier
.Nd interrupt barrier
.Sh SYNOPSIS
.In machine/intr.h
.Ft void
.Fn intr_barrier "void *ih"
.Sh DESCRIPTION
This function guarantees that any interrupt handler invocations for the
interrupt handler specified by
.Fa ih
has finished before it returns.
The cookie passed to
.Fn intr_barrier
should be the value returned when the interrupt handler was established,
for example the return value of
.Xr pci_intr_establish 9 .
.Sh CONTEXT
.Fn intr_barrier
can be called from process context.
.Sh SEE ALSO
.Xr pci_intr_establish 9 ,
.Xr spl 9