80 lines
3.4 KiB
C
80 lines
3.4 KiB
C
#ifndef _ASM_GENERIC_BUG_H
|
|
#define _ASM_GENERIC_BUG_H
|
|
|
|
//extern __printf(3, 4)
|
|
//void warn_slowpath_fmt(const char *file, const int line,
|
|
// const char *fmt, ...);
|
|
//extern __printf(4, 5)
|
|
//void warn_slowpath_fmt_taint(const char *file, const int line, unsigned taint,
|
|
// const char *fmt, ...);
|
|
|
|
//extern void warn_slowpath_null(const char *file, const int line);
|
|
|
|
#define __WARN() printf("\nWARNING: at %s:%d\n", __FILE__, __LINE__)
|
|
//#define __WARN_printf(arg...) printf("\nWARNING: at %s:%d\n", __FILE__, __LINE__)
|
|
#define __WARN_printf(arg...) do { printf(arg); __WARN(); } 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(); \
|
|
unlikely(__ret_warn_on); \
|
|
})
|
|
|
|
|
|
#define WARN_ONCE(condition, format...) ({ \
|
|
static bool __warned; \
|
|
int __ret_warn_once = !!(condition); \
|
|
\
|
|
if (unlikely(__ret_warn_once)) \
|
|
if (WARN(!__warned, format)) \
|
|
__warned = true; \
|
|
unlikely(__ret_warn_once); \
|
|
})
|
|
|
|
|
|
#define WARN_ON_ONCE(condition) ({ \
|
|
static bool __warned; \
|
|
int __ret_warn_once = !!(condition); \
|
|
\
|
|
if (unlikely(__ret_warn_once)) \
|
|
if (WARN_ON(!__warned)) \
|
|
__warned = true; \
|
|
unlikely(__ret_warn_once); \
|
|
})
|
|
|
|
#define BUG() do { \
|
|
printk("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \
|
|
} while (0)
|
|
|
|
#define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while(0)
|
|
|
|
/* Force a compilation error if a constant expression is not a power of 2 */
|
|
#define BUILD_BUG_ON_NOT_POWER_OF_2(n) \
|
|
BUILD_BUG_ON((n) == 0 || (((n) & ((n) - 1)) != 0))
|
|
|
|
|
|
#define printk_once(fmt, ...) \
|
|
({ \
|
|
static bool __print_once; \
|
|
\
|
|
if (!__print_once) { \
|
|
__print_once = true; \
|
|
printk(fmt, ##__VA_ARGS__); \
|
|
} \
|
|
})
|
|
|
|
|
|
#define pr_warn_once(fmt, ...) \
|
|
printk_once(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
|
|
|
|
#endif
|