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#ifndef _LINUX_KERNEL_H

#define _LINUX_KERNEL_H

/*

 * 'kernel.h' contains some often-used function prototypes etc

 */

#ifdef __KERNEL__

#include <stdarg.h>

#include <linux/linkage.h>

/* Optimization barrier */

#define barrier() __asm__("": : :"memory")

#define INT_MAX         ((int)(~0U>>1))

#define UINT_MAX        (~0U)

#define LONG_MAX        ((long)(~0UL>>1))

#define ULONG_MAX       (~0UL)

#define STACK_MAGIC     0xdeadbeef

#define STACK_UNTOUCHED_MAGIC   0xfeef1ef0

#define KERN_EMERG      "<0>"    /* system is unusable                   */

#define KERN_ALERT      "<1>"   /* action must be taken immediately     */

#define KERN_CRIT       "<2>"   /* critical conditions                  */

#define KERN_ERR        "<3>"   /* error conditions                     */

#define KERN_WARNING    "<4>"   /* warning conditions                   */

#define KERN_NOTICE     "<5>"   /* normal but significant condition     */

#define KERN_INFO       "<6>"   /* informational                        */

#define KERN_DEBUG      "<7>"   /* debug-level messages                 */

# define NORET_TYPE    /**/

# define ATTRIB_NORET  __attribute__((noreturn))

# define NORET_AND     noreturn,

extern void math_error(void);

NORET_TYPE void panic(const char * fmt, ...)

        __attribute__ ((NORET_AND format (printf, 1, 2)));

NORET_TYPE void do_exit(long error_code)

        ATTRIB_NORET;

extern unsigned long simple_strtoul(const char *,char **,unsigned int);

extern int sprintf(char * buf, const char * fmt, ...);

extern int vsprintf(char *buf, const char *, va_list);

extern int session_of_pgrp(int pgrp);

extern int kill_proc(int pid, int sig, int priv);

extern int kill_pg(int pgrp, int sig, int priv);

extern int kill_sl(int sess, int sig, int priv);

asmlinkage int printk(const char * fmt, ...)

        __attribute__ ((format (printf, 1, 2)));

#if DEBUG

#define pr_debug(fmt,arg...) \

        printk(KERN_DEBUG fmt,##arg)

#else

#define pr_debug(fmt,arg...) \

        do { } while (0)

#endif

#define pr_info(fmt,arg...) \

        printk(KERN_INFO fmt,##arg)

/*

 * "suser()" checks against the effective user id, while "fsuser()"

 * is used for file permission checking and checks against the fsuid..

 */

#define fsuser() (current->fsuid == 0)

/*

 *      Display an IP address in readable format.

 */

#define NIPQUAD(addr) \

        (((addr) >> 0)  & 0xff), \

        (((addr) >> 8)  & 0xff), \

        (((addr) >> 16) & 0xff), \

        (((addr) >> 24) & 0xff)

#endif /* __KERNEL__ */

#define SI_LOAD_SHIFT   16

struct sysinfo {

        long uptime;                    /* Seconds since boot */

        unsigned long loads[3];         /* 1, 5, and 15 minute load averages */

        unsigned long totalram;         /* Total usable main memory size */

        unsigned long freeram;          /* Available memory size */

        unsigned long sharedram;        /* Amount of shared memory */

        unsigned long bufferram;        /* Memory used by buffers */

        unsigned long totalswap;        /* Total swap space size */

        unsigned long freeswap;         /* swap space still available */

        unsigned short procs;           /* Number of current processes */

        char _f[22];                    /* Pads structure to 64 bytes */

};

#endif