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kernel/linux-rt-4.4.41/arch/um/include/shared/user.h 1.45 KB
5113f6f70   김현기   kernel add
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  /* 
   * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
   * Licensed under the GPL
   */
  
  #ifndef __USER_H__
  #define __USER_H__
  
  #include <generated/asm-offsets.h>
  
  /*
   * The usual definition - copied here because the kernel provides its own,
   * fancier, type-safe, definition.  Using that one would require
   * copying too much infrastructure for my taste, so userspace files
   * get less checking than kernel files.
   */
  #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
  
  /* This is to get size_t */
  #ifndef __UM_HOST__
  #include <linux/types.h>
  #else
  #include <stddef.h>
  #endif
  
  extern void panic(const char *fmt, ...)
  	__attribute__ ((format (printf, 1, 2)));
  
  /* Requires preincluding include/linux/kern_levels.h */
  #define UM_KERN_EMERG	KERN_EMERG
  #define UM_KERN_ALERT	KERN_ALERT
  #define UM_KERN_CRIT	KERN_CRIT
  #define UM_KERN_ERR	KERN_ERR
  #define UM_KERN_WARNING	KERN_WARNING
  #define UM_KERN_NOTICE	KERN_NOTICE
  #define UM_KERN_INFO	KERN_INFO
  #define UM_KERN_DEBUG	KERN_DEBUG
  #define UM_KERN_CONT	KERN_CONT
  
  #ifdef UML_CONFIG_PRINTK
  extern int printk(const char *fmt, ...)
  	__attribute__ ((format (printf, 1, 2)));
  #else
  static inline int printk(const char *fmt, ...)
  {
  	return 0;
  }
  #endif
  
  extern int in_aton(char *str);
  extern size_t strlcpy(char *, const char *, size_t);
  extern size_t strlcat(char *, const char *, size_t);
  
  /* Copied from linux/compiler-gcc.h since we can't include it directly */
  #define barrier() __asm__ __volatile__("": : :"memory")
  
  #endif