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get_thread_area(2) -- Linux man page
NAME
get_thread_area - Get a Thread Local Storage (TLS) area
SYNOPSIS
#include <linux/unistd.h>
#include <asm/ldt.h>
int get_thread_area (struct user_desc *u_info);
DESCRIPTION
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.
RETURN VALUE
get_thread_area
returns 0 on success.
Otherwise, it returns -1 and sets
errno
appropriately.
ERRORS
- EINVAL
-
u_info->entry_number is out of bounds.
- EFAULT
-
u_info is an invalid pointer.
CONFORMING TO
get_thread_area
is Linux specific and should not be used in programs
that are intended to be portable.
AVAILABILITY
A version of
get_thread_area
first appeared in Linux 2.5.32.
SEE ALSO
set_thread_area(2),
modify_ldt(2)
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