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. */
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
#ifndef _SYS_IO_H
__BEGIN_DECLS
+#if defined __UCLIBC_LINUX_SPECIFIC__
/* If TURN_ON is TRUE, request for permission to do direct i/o on the
port numbers in the range [FROM,FROM+NUM-1]. Otherwise, turn I/O
permission off for that range. This call requires root privileges.
E.g., Linux/Alpha for Alpha PCs supports this. */
extern int ioperm (unsigned long int __from, unsigned long int __num,
int __turn_on) __THROW;
-libc_hidden_proto(ioperm)
/* Set the I/O privilege level to LEVEL. If LEVEL>3, permission to
access any I/O port is granted. This call requires root
privileges. */
extern int iopl (int __level) __THROW;
+#endif /* __UCLIBC_LINUX_SPECIFIC__ */
/* Return the physical address of the DENSE I/O memory or NULL if none
is available (e.g. on a jensen). */