diff options
| author | David Gwynne <dlg@cvs.openbsd.org> | 2016-08-16 23:49:36 +0000 |
|---|---|---|
| committer | David Gwynne <dlg@cvs.openbsd.org> | 2016-08-16 23:49:36 +0000 |
| commit | 4975844bc6c11baabd4be574a917d974617ec0ff (patch) | |
| tree | 7d7b32d87bcc7edba6dc1a5857d8be8b53c5add6 | |
| parent | 0943109dc1bc6ac50495fd3803ea77ffa3abeda6 (diff) | |
splraise() is an MI API now.
ok deraadt@ jmc@ mpi@
| -rw-r--r-- | share/man/man9/spl.9 | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/share/man/man9/spl.9 b/share/man/man9/spl.9 index 0a9276aef5a..effcfb927d3 100644 --- a/share/man/man9/spl.9 +++ b/share/man/man9/spl.9 @@ -1,4 +1,4 @@ -.\" $OpenBSD: spl.9,v 1.25 2015/11/23 17:53:57 jmc Exp $ +.\" $OpenBSD: spl.9,v 1.26 2016/08/16 23:49:35 dlg Exp $ .\" $NetBSD: spl.9,v 1.1 1997/03/11 06:15:05 mikel Exp $ .\" .\" Copyright (c) 1997 Michael Long. @@ -27,10 +27,11 @@ .\" (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 $Mdocdate: November 23 2015 $ +.Dd $Mdocdate: August 16 2016 $ .Dt SPLX 9 .Os .Sh NAME +.Nm splraise , .Nm splhigh , .Nm splserial , .Nm splsched , @@ -51,6 +52,8 @@ .Sh SYNOPSIS .In machine/intr.h .Ft int +.Fn splraise "int ipl" +.Ft int .Fn splhigh void .Ft int .Fn splserial void @@ -93,7 +96,7 @@ The code may then safely access variables and data structures which are used by kernel code that runs at an equal or lower priority level. .Pp An -.Nm +.Nm spl function exists for each distinct priority level which can exist in the system. These macros and the corresponding priority levels are @@ -183,11 +186,16 @@ unblocks all interrupts. .El .Pp The +.Fn splraise +macro blocks interrupts at the interrupt priority level specified by +.Fa ipl . +.Pp +The .Fn splx macro restores the system priority level to the one encoded in .Fa s , which must be a value previously returned by one of the other -.Nm +.Nm spl macros. .Pp The |