diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sys/io.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sys/io.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/sysdeps/unix/sysv/linux/sys/io.h b/sysdeps/unix/sysv/linux/sys/io.h index d44850f025..6f0b9aba14 100644 --- a/sysdeps/unix/sysv/linux/sys/io.h +++ b/sysdeps/unix/sysv/linux/sys/io.h @@ -16,9 +16,12 @@ License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#ifndef _SYS_IO_H -#define _SYS_IO_H +#ifndef _SYS_IO_H +#define _SYS_IO_H 1 +#include <features.h> + +/* Get constants from kernel header files. */ #include <asm/io.h> /* If TURN_ON is TRUE, request for permission to do direct i/o on the @@ -28,12 +31,12 @@ Cambridge, MA 02139, USA. */ Portability note: not all Linux platforms support this call. Most platforms based on the PC I/O architecture probably will, however. E.g., Linux/Alpha for Alpha PCs supports this. */ -extern int ioperm __P((unsigned long __from, unsigned long __num, - int __turn_on)); +extern int ioperm __P ((unsigned long int __from, unsigned long int __num, + int __turn_on)); /* 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 __P((int __level)); +extern int iopl __P ((int __level)); #endif /* _SYS_IO_H */ |