copy_utsname

函数名称：Copy task tsk's utsname namespace, or clone it if flags* specifies CLONE_NEWUTS. In latter case, changes to the* utsname of this process won't be seen by parent, and vice* versa.

函数原型：struct uts_namespace *copy_utsname(unsigned long flags, struct user_namespace *user_ns, struct uts_namespace *old_ns)

返回类型：struct uts_namespace

参数：

类型	参数	名称
unsigned long	flags
struct user_namespace *	user_ns
struct uts_namespace *	old_ns

BUG_ON(!old_ns)

get_uts_ns(old_ns)

如果非flags按位与新主机空间的值则返回:old_ns

100

new_ns等于Clone a new ns copying an original utsname, setting refcount to 1*@old_ns: namespace to clone* Return ERR_PTR(-ENOMEM) on error (failure to allocate), new ns otherwise

102

put_uts_ns(old_ns)

103

返回:new_ns

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码

函数逻辑报告