http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/linux/sysrq.h

/* -*- linux-c -*- * * $Id: sysrq.h,v 1.3 1997/07/17 11:54:33 mj Exp $ * * Linux Magic System Request Key Hacks * * (c) 1997 Martin Mares <mj@atrey.karlin.mff.cuni.cz> * * (c) 2000 Crutcher Dunnavant <crutcher+kernel@datastacks.com> * overhauled to use key registration * based upon discusions in irc://irc.openprojects.net/#kernelnewbies */ #include <linux/config.h> struct pt_regs; struct tty_struct; /* Possible values of bitmask for enabling sysrq functions */ /* 0x0001 is reserved for enable everything */ #define SYSRQ_ENABLE_LOG 0x0002 #define SYSRQ_ENABLE_KEYBOARD 0x0004 #define SYSRQ_ENABLE_DUMP 0x0008 #define SYSRQ_ENABLE_SYNC 0x0010 #define SYSRQ_ENABLE_REMOUNT 0x0020 #define SYSRQ_ENABLE_SIGNAL 0x0040 #define SYSRQ_ENABLE_BOOT 0x0080 #define SYSRQ_ENABLE_RTNICE 0x0100 struct sysrq_key_op { void (*handler)(int, struct pt_regs *, struct tty_struct *); char *help_msg; char *action_msg; int enable_mask; }; #ifdef CONFIG_MAGIC_SYSRQ /* 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, struct pt_regs *, struct tty_struct *); void __handle_sysrq(int, struct pt_regs *, struct tty_struct *, int check_mask); int register_sysrq_key(int, struct sysrq_key_op *); int unregister_sysrq_key(int, struct sysrq_key_op *); struct sysrq_key_op *__sysrq_get_key_op(int key); #else static inline int __reterr(void) { return -EINVAL; } #define register_sysrq_key(ig,nore) __reterr() #define unregister_sysrq_key(ig,nore) __reterr() #endif