sysdeps/unix/sysv/linux/x86_64/sys/perm.h

   1 /* Copyright (C) 1996, 1999, 2001 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, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #ifndef _SYS_PERM_H
  20
  21 #define _SYS_PERM_H     1
  22 #include <features.h>
  23
  24 __BEGIN_DECLS
  25
  26 /* Set port input/output permissions.  */
  27 extern int ioperm (unsigned long int __from, unsigned long int __num,
  28                    int __turn_on) __THROW;
  29
  30
  31 /* Change I/O privilege level.  */
  32 extern int iopl (int __level) __THROW;
  33
  34 __END_DECLS
  35
  36 #endif  /* _SYS_PERM_H */