get_thread_area: Získejte oblast TLS (Thread Local Storage)

Originální popis anglicky: get_thread_area - Get a Thread Local Storage (TLS) area

Návod, kniha: Linux Programmer's Manual

STRUČNĚ

#include <linux/unistd.h> #include <asm/ldt.h> int get_thread_area (struct user_desc *u_info);

POPIS / INSTRUKCE

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 pointed to by u_info.

NÁVRATOVÁ HODNOTA

get_thread_area returns 0 on success. Otherwise, it returns -1 and sets errno appropriately.

CHYBY / ERRORY

EFAULT

u_info is an invalid pointer.

EINVAL

u_info->entry_number is out of bounds.

ODPOVÍDAJÍCÍ

get_thread_area is Linux specific and should not be used in programs that are intended to be portable.

DOSTUPNOST

A version of get_thread_area first appeared in Linux 2.5.32.

SOUVISEJÍCÍ

modify_ldt(2), set_thread_area(2)