diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1996-01-06 17:25:02 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1996-01-06 17:25:02 +0000 |
| commit | 9dc91b2f8a7723caff7661850bbd18b894909e11 (patch) | |
| tree | 50a532521d54e07a5a9ec930609b60dd2ef1b2e1 /lib/libarch/i386/i386_iopl.2 | |
| parent | c01bcf976617c6a6c18f39514350a7e4f9e09213 (diff) | |
update from jtk@kolvir.arlington.ma.us; netbsd pr#1650
Diffstat (limited to 'lib/libarch/i386/i386_iopl.2')
| -rw-r--r-- | lib/libarch/i386/i386_iopl.2 | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/libarch/i386/i386_iopl.2 b/lib/libarch/i386/i386_iopl.2 index 5bc72ef77eb..85ccc1d2ef6 100644 --- a/lib/libarch/i386/i386_iopl.2 +++ b/lib/libarch/i386/i386_iopl.2 @@ -30,7 +30,7 @@ .\" SUCH DAMAGE. .\" .\" from: @(#)fork.2 6.5 (Berkeley) 3/10/91 -.\" $Id: i386_iopl.2,v 1.1 1995/10/18 08:41:19 deraadt Exp $ +.\" $NetBSD: i386_iopl.2,v 1.2 1996/01/05 14:56:45 pk Exp $ .\" .Dd October 14, 1995 .Dt I386_IOPL 2 @@ -39,6 +39,7 @@ .Nm i386_iopl .Nd change the i386 I/O privilege level .Sh SYNOPSIS +.Fd #include <sys/types.h> .Fd #include <machine/sysarch.h> .Ft int .Fn i386_iopl "int iopl" @@ -62,5 +63,11 @@ will fail if: .It Bq Er EPERM The caller was not the super-user. .El +.Sh SEE ALSO +.Xr i386_set_ioperm 2 , +.Xr i386_get_ioperm 2 . .Sh REFERENCES i386 Microprocessor Programmer's Reference Manual, Intel +.Sh WARNING +You can really hose your machine if you enable user-level I/O and +write to hardware ports without care. |