https://github.com/torvalds/linux
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Tip revision: 88026842b0a760145aa71d69e74fbc9ec118ca44 authored by Linus Torvalds on 03 January 2006, 03:21:10 UTC
Linux v2.6.15
Tip revision: 8802684
bug.h
#ifndef _ASM_GENERIC_BUG_H
#define _ASM_GENERIC_BUG_H

#include <linux/compiler.h>
#include <linux/config.h>

#ifdef CONFIG_BUG
#ifndef HAVE_ARCH_BUG
#define BUG() do { \
	printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \
	panic("BUG!"); \
} while (0)
#endif

#ifndef HAVE_ARCH_BUG_ON
#define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0)
#endif

#ifndef HAVE_ARCH_WARN_ON
#define WARN_ON(condition) do { \
	if (unlikely((condition)!=0)) { \
		printk("Badness in %s at %s:%d\n", __FUNCTION__, __FILE__, __LINE__); \
		dump_stack(); \
	} \
} while (0)
#endif

#else /* !CONFIG_BUG */
#ifndef HAVE_ARCH_BUG
#define BUG()
#endif

#ifndef HAVE_ARCH_BUG_ON
#define BUG_ON(condition) do { if (condition) ; } while(0)
#endif

#ifndef HAVE_ARCH_WARN_ON
#define WARN_ON(condition) do { if (condition) ; } while(0)
#endif
#endif

#endif
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