1 /* Copyright (C) 1996-2022 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18 #ifndef _SYS_PERM_H 19 20 #define _SYS_PERM_H 1 21 #include <features.h> 22 23 __BEGIN_DECLS 24 25 /* Set port input/output permissions. */ 26 extern int ioperm (unsigned long int __from, unsigned long int __num, 27 int __turn_on) __THROW; 28 29 30 /* Change I/O privilege level. */ 31 extern int iopl (int __level) __THROW; 32 33 __END_DECLS 34 35 #endif /* _SYS_PERM_H */ 36