home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Software of the Month Club 2000 October
/
Software of the Month - Ultimate Collection Shareware 277.iso
/
pc
/
PROGRAMS
/
UTILITY
/
WINLINUX
/
DATA1.CAB
/
programs_-_kernel_source
/
KERNEL
/
PANIC.C
< prev
next >
Wrap
C/C++ Source or Header
|
1999-09-17
|
2KB
|
82 lines
/*
* linux/kernel/panic.c
*
* Copyright (C) 1991, 1992 Linus Torvalds
*/
/*
* This function is used through-out the kernel (including mm and fs)
* to indicate a major problem.
*/
#include <linux/sched.h>
#include <linux/delay.h>
#include <linux/reboot.h>
#include <linux/init.h>
#include <linux/sysrq.h>
#include <linux/interrupt.h>
#ifdef __alpha__
#include <asm/machvec.h>
#endif
asmlinkage void sys_sync(void); /* it's really int */
extern void unblank_console(void);
extern int C_A_D;
int panic_timeout = 0;
void __init panic_setup(char *str, int *ints)
{
if (ints[0] == 1)
panic_timeout = ints[1];
}
NORET_TYPE void panic(const char * fmt, ...)
{
static char buf[1024];
va_list args;
va_start(args, fmt);
vsprintf(buf, fmt, args);
va_end(args);
printk(KERN_EMERG "Kernel panic: %s\n",buf);
if (current == task[0])
printk(KERN_EMERG "In swapper task - not syncing\n");
else if (in_interrupt())
printk(KERN_EMERG "In interrupt handler - not syncing\n");
else
sys_sync();
unblank_console();
#ifdef __SMP__
smp_send_stop();
#endif
if (panic_timeout > 0)
{
/*
* Delay timeout seconds before rebooting the machine.
* We can't use the "normal" timers since we just panicked..
*/
printk(KERN_EMERG "Rebooting in %d seconds..",panic_timeout);
mdelay(panic_timeout*1000);
/*
* Should we run the reboot notifier. For the moment Im
* choosing not too. It might crash, be corrupt or do
* more harm than good for other reasons.
*/
machine_restart(NULL);
}
#ifdef __sparc__
printk("Press L1-A to return to the boot prom\n");
#endif
#ifdef __alpha__
if (alpha_using_srm)
halt();
#endif
sti();
for(;;) {
CHECK_EMERGENCY_SYNC
}
}