| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* | 
|  | 2 | *  drivers/s390/char/ctrlchar.c | 
|  | 3 | *  Unified handling of special chars. | 
|  | 4 | * | 
|  | 5 | *    Copyright (C) 2001 IBM Deutschland Entwicklung GmbH, IBM Corporation | 
|  | 6 | *    Author(s): Fritz Elfert <felfert@millenux.com> <elfert@de.ibm.com> | 
|  | 7 | * | 
|  | 8 | */ | 
|  | 9 |  | 
|  | 10 | #include <linux/tty.h> | 
|  | 11 |  | 
|  | 12 | extern unsigned int | 
|  | 13 | ctrlchar_handle(const unsigned char *buf, int len, struct tty_struct *tty); | 
|  | 14 |  | 
|  | 15 |  | 
|  | 16 | #define CTRLCHAR_NONE  (1 << 8) | 
|  | 17 | #define CTRLCHAR_CTRL  (2 << 8) | 
|  | 18 | #define CTRLCHAR_SYSRQ (3 << 8) | 
|  | 19 |  | 
|  | 20 | #define CTRLCHAR_MASK (~0xffu) |