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/* $OpenBSD: bug.h,v 1.2 2021/07/07 02:38:36 jsg Exp $ */
/*
* Copyright (c) 2013, 2014, 2015 Mark Kettenis
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _LINUX_BUG_H
#define _LINUX_BUG_H
#include <sys/types.h>
#include <sys/systm.h>
#include <linux/compiler.h>
#include <linux/build_bug.h>
#define BUG() \
do { \
panic("BUG at %s:%d", __FILE__, __LINE__); \
} while (0)
#ifndef DIAGNOSTIC
#define BUG_ON(x) ((void)(x))
#else
#define BUG_ON(x) KASSERT(!(x))
#endif
#define WARN(condition, fmt...) ({ \
int __ret = !!(condition); \
if (__ret) \
printf(fmt); \
unlikely(__ret); \
})
#define WARN_ONCE(condition, fmt...) ({ \
static int __warned; \
int __ret = !!(condition); \
if (__ret && !__warned) { \
printf(fmt); \
__warned = 1; \
} \
unlikely(__ret); \
})
#define _WARN_STR(x) #x
#define WARN_ON(condition) ({ \
int __ret = !!(condition); \
if (__ret) \
printf("WARNING %s failed at %s:%d\n", \
_WARN_STR(condition), __FILE__, __LINE__); \
unlikely(__ret); \
})
#define WARN_ON_ONCE(condition) ({ \
static int __warned; \
int __ret = !!(condition); \
if (__ret && !__warned) { \
printf("WARNING %s failed at %s:%d\n", \
_WARN_STR(condition), __FILE__, __LINE__); \
__warned = 1; \
} \
unlikely(__ret); \
})
#endif
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