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| 1 | /* This file contains a collection of miscellaneous procedures:
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| 2 | * panic: abort MINIX due to a fatal error
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| 3 | */
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| 4 |
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| 5 | #include "kernel.h"
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| 6 | #include <unistd.h>
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| 7 |
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| 8 | /*===========================================================================*
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| 9 | * panic *
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| 10 | *===========================================================================*/
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| 11 | PUBLIC void panic(mess,nr)
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| 12 | _CONST char *mess;
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| 13 | int nr;
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| 14 | {
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| 15 | /* The system has run aground of a fatal kernel error. Terminate execution. */
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| 16 | static int panicking = 0;
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| 17 | if (panicking ++) return; /* prevent recursive panics */
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| 18 |
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| 19 | if (mess != NULL) {
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| 20 | kprintf("\nKernel panic: %s", mess);
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| 21 | if (nr != NO_NUM) kprintf(" %d", nr);
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| 22 | kprintf("\n",NO_NUM);
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| 23 | }
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| 24 |
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| 25 | /* Abort MINIX. */
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| 26 | prepare_shutdown(RBT_PANIC);
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| 27 | }
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