get_thread_area()函数 Unix/Linux
内容简介
#include <linux/unistd.h>#include <asm/ldt.h>
int get_thread_area(struct user_desc *u_info);
描述
get_thread_area() returns an entry in the current thread’s Thread Local Storage (TLS) array. The index of the entry corresponds to the value of u_info->entry_number, passed in by the user. If the value is in bounds, get_thread_info copies the corresponding TLS entry into the area yiibaied to by u_info.
返回值
get_thread_area() returns 0 on success. Otherwise, it returns -1 and sets errno appropriately.
错误
| 标签 | 描述 |
|---|---|
| EFAULT | u_info is an invalid yiibaier. |
| EINVAL | u_info->entry_number is out of bounds. |
遵循于
get_thread_area() 是Linux特有的，并应在该旨在是可移植的程序不被使用。
AVAILABILITY
A version of get_thread_area() first appeared in Linux 2.5.32.
