/* $Id: kernel.h 188 2001-09-09 15:31:35Z sandervl $ */ #ifndef _LINUX_KERNEL_H #define _LINUX_KERNEL_H /* * 'kernel.h' contains some often-used function prototypes etc */ #ifdef __KERNEL__ #include //#include /* Optimization barrier */ /* The "volatile" is due to gcc bugs */ //#define barrier() __asm__ __volatile__("": : :"memory") #define barrier() #define STACK_MAGIC 0xdeadbeef #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) #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, #ifdef __i386__ #define FASTCALL(x) x __attribute__((regparm(3))) #else #define FASTCALL(x) x #endif extern void math_error(void); extern struct notifier_block *panic_notifier_list; NORET_TYPE void panic(const char * fmt, ...); NORET_TYPE void do_exit(long error_code); extern unsigned long simple_strtoul(const char *,char **,unsigned int); extern long simple_strtol(const char *,char **,unsigned int); extern int sprintf(char * buf, const char * fmt, ...); extern int vsprintf(char *buf, const char *, va_list); extern int get_option(char **str, int *pint); extern char *get_options(char *str, int nints, int *ints); extern int session_of_pgrp(int pgrp); extern int printk(const char * fmt, ...); #if DEBUG #define pr_debug(fmt,arg) #else #define pr_debug(fmt,arg) #endif #define pr_info(fmt,arg) \ printk(KERN_INFO fmt,##arg) /* * Display an IP address in readable format. */ #define NIPQUAD(addr) \ ((unsigned char *)&addr)[0], \ ((unsigned char *)&addr)[1], \ ((unsigned char *)&addr)[2], \ ((unsigned char *)&addr)[3] #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 */ unsigned long totalhigh; /* Total high memory size */ unsigned long freehigh; /* Available high memory size */ unsigned int mem_unit; /* Memory unit size in bytes */ char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */ }; #endif