在gcc手册中找到了有关的解释: unused:This attribute, attached to a function, means that the function is meant to be possibly unused. GCC will not produce a warning for this function. ========================================================================
转自https://blog.csdn.net/u013083059/article/details/19342935 内核时注意到有些函数会有添加__attribute__((unused)), 在gcc手册中找到了有关的解释: unused:This attribute, attached to a function, means that the function is meant to be possibly unused. GCC will not produce a
1.Preprocessor Glue: The ## Operator 预处理连接符:##操作符 Like the # operator, the ## operator can be used in the replacement section of a function-like macro.Additionally, it can be used in the replacement section of an object-like macro. The ## operator co