| #ifndef _ASM_GENERIC_BUG_H |
| #define _ASM_GENERIC_BUG_H |
| |
| #include <linux/compiler.h> |
| |
| #ifdef CONFIG_BUG |
| #ifndef HAVE_ARCH_BUG |
| #define BUG() do { \ |
| printk("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ |
| panic("BUG!"); \ |
| } while (0) |
| #endif |
| |
| #ifndef HAVE_ARCH_BUG_ON |
| #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) |
| #endif |
| |
| #ifndef HAVE_ARCH_WARN_ON |
| #define WARN_ON(condition) ({ \ |
| typeof(condition) __ret_warn_on = (condition); \ |
| if (unlikely(__ret_warn_on)) { \ |
| printk("BUG: warning at %s:%d/%s()\n", __FILE__, \ |
| __LINE__, __FUNCTION__); \ |
| dump_stack(); \ |
| } \ |
| unlikely(__ret_warn_on); \ |
| }) |
| #endif |
| |
| #else /* !CONFIG_BUG */ |
| #ifndef HAVE_ARCH_BUG |
| #define BUG() |
| #endif |
| |
| #ifndef HAVE_ARCH_BUG_ON |
| #define BUG_ON(condition) do { if (condition) ; } while(0) |
| #endif |
| |
| #ifndef HAVE_ARCH_WARN_ON |
| #define WARN_ON(condition) unlikely((condition)) |
| #endif |
| #endif |
| |
| #define WARN_ON_ONCE(condition) ({ \ |
| static int __warn_once = 1; \ |
| typeof(condition) __ret_warn_once = (condition);\ |
| \ |
| if (likely(__warn_once)) \ |
| if (WARN_ON(__ret_warn_once)) \ |
| __warn_once = 0; \ |
| unlikely(__ret_warn_once); \ |
| }) |
| |
| #ifdef CONFIG_SMP |
| # define WARN_ON_SMP(x) WARN_ON(x) |
| #else |
| # define WARN_ON_SMP(x) do { } while (0) |
| #endif |
| |
| #endif |