75 lines
2.1 KiB
C
Executable file
75 lines
2.1 KiB
C
Executable file
/* This file contains a collection of miscellaneous procedures:
|
|
* panic abort MINIX due to a fatal error
|
|
* bad_assertion for debugging
|
|
* bad_compare for debugging
|
|
*
|
|
* Changes:
|
|
* Oct 04, 2004 moved panic() to this file (Jorrit N. Herder)
|
|
* Sep 30, 2004 removed mem_init(), env_parse to lib (Jorrit N. Herder)
|
|
*/
|
|
|
|
#include "kernel.h"
|
|
#include "assert.h"
|
|
#include <unistd.h>
|
|
#include <minix/com.h>
|
|
|
|
|
|
/*===========================================================================*
|
|
* panic *
|
|
*===========================================================================*/
|
|
PUBLIC void panic(s,n)
|
|
_CONST char *s;
|
|
int n;
|
|
{
|
|
/* The system has run aground of a fatal error. Terminate execution.
|
|
* If the panic originated in MM or FS, the string will be empty and the
|
|
* file system already syncked. If the panic originates in the kernel, we are
|
|
* kind of stuck.
|
|
*/
|
|
static int panicking = 0;
|
|
if (panicking ++) /* prevent recursive panics */
|
|
return;
|
|
|
|
if (s != NULL) {
|
|
kprintf("\nKernel panic: %s", karg(s));
|
|
if (n != NO_NUM) kprintf(" %d", n);
|
|
kprintf("\n",NO_ARG);
|
|
}
|
|
prepare_shutdown(RBT_PANIC);
|
|
}
|
|
|
|
|
|
#if !NDEBUG
|
|
/*=========================================================================*
|
|
* bad_assertion *
|
|
*=========================================================================*/
|
|
PUBLIC void bad_assertion(file, line, what)
|
|
char *file;
|
|
int line;
|
|
char *what;
|
|
{
|
|
kprintf("panic at %s", karg(file));
|
|
kprintf(" (line %d): ", line);
|
|
kprintf("assertion \"%s\" failed.\n", karg(what));
|
|
panic(NULL, NO_NUM);
|
|
}
|
|
|
|
/*=========================================================================*
|
|
* bad_compare *
|
|
*=========================================================================*/
|
|
PUBLIC void bad_compare(file, line, lhs, what, rhs)
|
|
char *file;
|
|
int line;
|
|
int lhs;
|
|
char *what;
|
|
int rhs;
|
|
{
|
|
kprintf("panic at %s", karg(file));
|
|
kprintf(" (line %d): ", line);
|
|
kprintf("compare (%d)", lhs);
|
|
kprintf(" %s ", karg(what));
|
|
kprintf("(%d) failed.\n", rhs);
|
|
panic(NULL, NO_NUM);
|
|
}
|
|
#endif /* !NDEBUG */
|