lttng: BUILD_RUNTIME_BUG_ON

#ifndef _LTTNG_BUG_H

#define _LTTNG_BUG_H

/*

 * lib/bug.h

 *

 * (C) Copyright 2010-2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

 *

 * Dual LGPL v2.1/GPL v2 license.

 */

/**

 * BUILD_RUNTIME_BUG_ON - check condition at build (if constant) or runtime

 * @condition: the condition which should be false.

 *

 * If the condition is a constant and true, the compiler will generate a build

 * error. If the condition is not constant, a BUG will be triggered at runtime

 * if the condition is ever true. If the condition is constant and false, no

 * code is emitted.

 */

#define BUILD_RUNTIME_BUG_ON(condition)				\

	do {							\

		if (__builtin_constant_p(condition))		\

			BUILD_BUG_ON(condition);		\

		else						\

			BUG_ON(condition);			\

	} while (0)

#endif