diff options
Diffstat (limited to 'include/linux/sysrq.h')
| -rw-r--r-- | include/linux/sysrq.h | 36 |
1 files changed, 17 insertions, 19 deletions
diff --git a/include/linux/sysrq.h b/include/linux/sysrq.h index 98a1d8cfb73d..387fa7d05c98 100644 --- a/include/linux/sysrq.h +++ b/include/linux/sysrq.h @@ -14,8 +14,8 @@ #ifndef _LINUX_SYSRQ_H #define _LINUX_SYSRQ_H -struct pt_regs; -struct tty_struct; +#include <linux/errno.h> +#include <linux/types.h> /* Possible values of bitmask for enabling sysrq functions */ /* 0x0001 is reserved for enable everything */ @@ -29,7 +29,7 @@ struct tty_struct; #define SYSRQ_ENABLE_RTNICE 0x0100 struct sysrq_key_op { - void (*handler)(int, struct tty_struct *); + void (*handler)(int); char *help_msg; char *action_msg; int enable_mask; @@ -37,40 +37,38 @@ struct sysrq_key_op { #ifdef CONFIG_MAGIC_SYSRQ -extern int sysrq_on(void); - -/* - * Do not use this one directly: - */ -extern int __sysrq_enabled; - /* Generic SysRq interface -- you may call it from any device driver, supplying * ASCII code of the key, pointer to registers and kbd/tty structs (if they * are available -- else NULL's). */ -void handle_sysrq(int key, struct tty_struct *tty); -void __handle_sysrq(int key, struct tty_struct *tty, int check_mask); +void handle_sysrq(int key); +void __handle_sysrq(int key, bool check_mask); int register_sysrq_key(int key, struct sysrq_key_op *op); int unregister_sysrq_key(int key, struct sysrq_key_op *op); struct sysrq_key_op *__sysrq_get_key_op(int key); +int sysrq_toggle_support(int enable_mask); + #else -static inline int sysrq_on(void) +static inline void handle_sysrq(int key) { - return 0; } -static inline int __reterr(void) + +static inline void __handle_sysrq(int key, bool check_mask) { - return -EINVAL; } -static inline void handle_sysrq(int key, struct tty_struct *tty) + +static inline int register_sysrq_key(int key, struct sysrq_key_op *op) { + return -EINVAL; } -#define register_sysrq_key(ig,nore) __reterr() -#define unregister_sysrq_key(ig,nore) __reterr() +static inline int unregister_sysrq_key(int key, struct sysrq_key_op *op) +{ + return -EINVAL; +} #endif |