/usr/include/lttng/bug.h is in liblttng-ust-dev 2.0.2-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | #ifndef _LTTNG_BUG_H
#define _LTTNG_BUG_H
/*
* lttng/bug.h
*
* (C) Copyright 2010-2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*/
#include <urcu/compiler.h>
#include <stdio.h>
#include <stdlib.h>
#define LTTNG_BUG_ON(condition) \
do { \
if (caa_unlikely(condition)) { \
fprintf(stderr, \
"LTTng BUG in file %s, line %d.\n", \
__FILE__, __LINE__); \
exit(EXIT_FAILURE); \
} \
} while (0)
#define LTTNG_BUILD_BUG_ON(condition) \
((void) sizeof(char[-!!(condition)]))
/**
* LTTNG_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 LTTNG_BUILD_RUNTIME_BUG_ON(condition) \
do { \
if (__builtin_constant_p(condition)) \
LTTNG_BUILD_BUG_ON(condition); \
else \
LTTNG_BUG_ON(condition); \
} while (0)
#endif
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