#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) ({ \ typeof(condition) __ret_warn_on = (condition); \ unlikely(__ret_warn_on); \ }) #endif #endif #define WARN_ON_ONCE(condition) ({ \ static int __warned; \ typeof(condition) __ret_warn_once = (condition); \ \ if (unlikely(__ret_warn_once)) \ if (WARN_ON(!__warned)) \ __warned = 1; \ 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