/* Copyright (C) 1998, 1999 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Phil Blundell, based on the Alpha version by David Mosberger. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include <sys/io.h> #include <errno.h> libc_hidden_proto(ioperm) #define MAX_PORT 0x10000 int iopl(int level) { if (level > 3) { __set_errno(EINVAL); return -1; } if (level) return ioperm(0, MAX_PORT, 1); return 0; }