git.sur5r.net Git - u-boot/blob - include/linux/bug.h

   1 #ifndef _LINUX_BUG_H
   2 #define _LINUX_BUG_H
   3
   4 #include <vsprintf.h> /* for panic() */
   5 #include <linux/build_bug.h>
   6 #include <linux/compiler.h>
   7 #include <linux/printk.h>
   8
   9 #define BUG() do { \
  10         printk("BUG at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \
  11         panic("BUG!"); \
  12 } while (0)
  13
  14 #define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0)
  15
  16 #define WARN_ON(condition) ({                                           \
  17         int __ret_warn_on = !!(condition);                              \
  18         if (unlikely(__ret_warn_on))                                    \
  19                 printk("WARNING at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \
  20         unlikely(__ret_warn_on);                                        \
  21 })
  22
  23 #define WARN_ON_ONCE(condition) ({                              \
  24         static bool __warned;                                   \
  25         int __ret_warn_once = !!(condition);                    \
  26                                                                 \
  27         if (unlikely(__ret_warn_once && !__warned)) {           \
  28                 __warned = true;                                \
  29                 WARN_ON(1);                                     \
  30         }                                                       \
  31         unlikely(__ret_warn_once);                              \
  32 })
  33
  34 #endif  /* _LINUX_BUG_H */