forked from Minki/linux
058bd85784
We have a direct fprintf() call in the header, so we need stdio.h include, otherwise it could fail compilation if there's no prior stdio.h include directive. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Link: http://lkml.kernel.org/n/tip-8hvjgh24olfsa4non0a3ohnq@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _TOOLS_ASM_BUG_H
|
|
#define _TOOLS_ASM_BUG_H
|
|
|
|
#include <linux/compiler.h>
|
|
#include <stdio.h>
|
|
|
|
#define __WARN_printf(arg...) do { fprintf(stderr, arg); } while (0)
|
|
|
|
#define WARN(condition, format...) ({ \
|
|
int __ret_warn_on = !!(condition); \
|
|
if (unlikely(__ret_warn_on)) \
|
|
__WARN_printf(format); \
|
|
unlikely(__ret_warn_on); \
|
|
})
|
|
|
|
#define WARN_ON(condition) ({ \
|
|
int __ret_warn_on = !!(condition); \
|
|
if (unlikely(__ret_warn_on)) \
|
|
__WARN_printf("assertion failed at %s:%d\n", \
|
|
__FILE__, __LINE__); \
|
|
unlikely(__ret_warn_on); \
|
|
})
|
|
|
|
#define WARN_ON_ONCE(condition) ({ \
|
|
static int __warned; \
|
|
int __ret_warn_once = !!(condition); \
|
|
\
|
|
if (unlikely(__ret_warn_once && !__warned)) { \
|
|
__warned = true; \
|
|
WARN_ON(1); \
|
|
} \
|
|
unlikely(__ret_warn_once); \
|
|
})
|
|
|
|
#define WARN_ONCE(condition, format...) ({ \
|
|
static int __warned; \
|
|
int __ret_warn_once = !!(condition); \
|
|
\
|
|
if (unlikely(__ret_warn_once)) \
|
|
if (WARN(!__warned, format)) \
|
|
__warned = 1; \
|
|
unlikely(__ret_warn_once); \
|
|
})
|
|
|
|
#endif /* _TOOLS_ASM_BUG_H */
|