#ifndef _ASM_GENERIC_BUG_H #define _ASM_GENERIC_BUG_H #include #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) do { \ if (unlikely((condition)!=0)) { \ printk("BUG: warning at %s:%d/%s()\n", __FILE__, __LINE__, __FUNCTION__); \ dump_stack(); \ } \ } while (0) #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) do { if (condition) ; } while(0) #endif #endif #define WARN_ON_ONCE(condition) \ ({ \ static int __warn_once = 1; \ int __ret = 0; \ \ if (unlikely((condition) && __warn_once)) { \ __warn_once = 0; \ WARN_ON(1); \ __ret = 1; \ } \ __ret; \ }) #ifdef CONFIG_SMP # define WARN_ON_SMP(x) WARN_ON(x) #else # define WARN_ON_SMP(x) do { } while (0) #endif #endif