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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>
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _TOOLS_ASM_BUG_H
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#define _TOOLS_ASM_BUG_H
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#include <linux/compiler.h>
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#include <stdio.h>
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#define __WARN_printf(arg...) do { fprintf(stderr, arg); } while (0)
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#define WARN(condition, format...) ({ \
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int __ret_warn_on = !!(condition); \
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if (unlikely(__ret_warn_on)) \
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__WARN_printf(format); \
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unlikely(__ret_warn_on); \
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})
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#define WARN_ON(condition) ({ \
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int __ret_warn_on = !!(condition); \
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if (unlikely(__ret_warn_on)) \
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__WARN_printf("assertion failed at %s:%d\n", \
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__FILE__, __LINE__); \
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unlikely(__ret_warn_on); \
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})
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#define WARN_ON_ONCE(condition) ({ \
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static int __warned; \
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int __ret_warn_once = !!(condition); \
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\
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if (unlikely(__ret_warn_once && !__warned)) { \
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__warned = true; \
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WARN_ON(1); \
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} \
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unlikely(__ret_warn_once); \
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})
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#define WARN_ONCE(condition, format...) ({ \
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static int __warned; \
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int __ret_warn_once = !!(condition); \
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\
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if (unlikely(__ret_warn_once)) \
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if (WARN(!__warned, format)) \
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__warned = 1; \
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unlikely(__ret_warn_once); \
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})
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#endif /* _TOOLS_ASM_BUG_H */
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