79 lines
3.3 KiB
C
79 lines
3.3 KiB
C
#ifndef _ASM_GENERIC_BUG_H
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#define _ASM_GENERIC_BUG_H
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//extern __printf(3, 4)
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//void warn_slowpath_fmt(const char *file, const int line,
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// const char *fmt, ...);
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//extern __printf(4, 5)
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//void warn_slowpath_fmt_taint(const char *file, const int line, unsigned taint,
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// const char *fmt, ...);
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//extern void warn_slowpath_null(const char *file, const int line);
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#define __WARN() printf("\nWARNING: at %s:%d\n", __FILE__, __LINE__)
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//#define __WARN_printf(arg...) printf("\nWARNING: at %s:%d\n", __FILE__, __LINE__)
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#define __WARN_printf(arg...) do { printf(arg); __WARN(); } 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(); \
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unlikely(__ret_warn_on); \
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})
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#define WARN_ONCE(condition, format...) ({ \
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static bool __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 = true; \
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unlikely(__ret_warn_once); \
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})
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#define WARN_ON_ONCE(condition) ({ \
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static bool __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_ON(!__warned)) \
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__warned = true; \
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unlikely(__ret_warn_once); \
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})
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#define BUG() do { \
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printk("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \
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} while (0)
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#define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while(0)
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#define BUILD_BUG_ON_NOT_POWER_OF_2(n) \
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BUILD_BUG_ON((n) == 0 || (((n) & ((n) - 1)) != 0))
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#define printk_once(fmt, ...) \
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({ \
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static bool __print_once; \
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\
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if (!__print_once) { \
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__print_once = true; \
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printk(fmt, ##__VA_ARGS__); \
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} \
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})
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#define pr_warn_once(fmt, ...) \
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printk_once(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
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#endif
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