criu/include/common/bug.h

#ifndef __CR_BUG_H__
#define __CR_BUG_H__

#include <signal.h>
#include <stdbool.h>

#include "common/compiler.h"

#ifndef BUG_ON_HANDLER

#ifdef CR_NOGLIBC
#define __raise()
#else
#define __raise() raise(SIGABRT)
#endif

#ifndef __clang_analyzer__
#ifndef pr_err
#error pr_err macro must be defined
#endif
#define BUG_ON_HANDLER(condition)                                                \
	do {                                                                     \
		if ((condition)) {                                               \
			pr_err("BUG at %s:%d\n", __FILE__, __LINE__);            \
			__raise();                                               \
			*(volatile unsigned long *)NULL = 0xdead0000 + __LINE__; \
			__builtin_unreachable();                                 \
		}                                                                \
	} while (0)
#else
#define BUG_ON_HANDLER(condition)   \
	do {                        \
		assert(!condition); \
	} while (0)
#endif

#endif /* BUG_ON_HANDLER */

#define BUG_ON(condition) BUG_ON_HANDLER((condition))
#define BUG()		  BUG_ON(true)

#endif /* __CR_BUG_H__ */