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GET_THREAD_AREA(2)         Linux Programmer's Manual        GET_THREAD_AREA(2)

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_area() 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
       EFAULT u_info is an invalid pointer.

       EINVAL u_info->entry_number is out of bounds.

VERSIONS
       A version of get_thread_area() first appeared in Linux 2.5.32.

CONFORMING TO
       get_thread_area() is Linux-specific and should not be used in  programs
       that are intended to be portable.

NOTES
       Glibc  does  not  provide a wrapper for this system call; call it using
       syscall(2).

SEE ALSO
       modify_ldt(2), set_thread_area(2)

COLOPHON
       This page is part of release 3.25 of the Linux  man-pages  project.   A
       description  of  the project, and information about reporting bugs, can
       be found at http://www.kernel.org/doc/man-pages/.

Linux                             2008-11-27                GET_THREAD_AREA(2)
 

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Gedruckt am: 11.12.2017 14:10 GMT+0100 (2017-12-11T14:10:02+01:00)