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Diffstat (limited to 'man2/get_thread_area.2')
| -rw-r--r-- | man2/get_thread_area.2 | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/man2/get_thread_area.2 b/man2/get_thread_area.2 new file mode 100644 index 000000000..01955687a --- /dev/null +++ b/man2/get_thread_area.2 @@ -0,0 +1,50 @@ +.\" Copyright (C) 2003 Free Software Foundation, Inc. +.\" This file is distributed according to the GNU General Public License. +.\" See the file COPYING in the top level source directory for details. +.\" +.\" Written by Kent Yoder. +.TH "GET_THREAD_AREA" 2 "2003-02-21" "Linux 2.5.32" "Linux Programmer's Manual" +.SH NAME +get_thread_area \- Get a Thread Local Storage (TLS) area +.SH "SYNOPSIS" +.B #include <linux/unistd.h> +.br +.B #include <asm/ldt.h> +.sp +.BI "int get_thread_area (struct user_desc *" u_info ); + +.SH "DESCRIPTION" +.B 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 \fIu_info->\fR\fIentry_number\fR, passed in by the user. +If the value is in bounds, \fBget_thread_info\fR copies the corresponding +TLS entry into the area pointed to by \fIu_info\fR. + +.SH "RETURN VALUE" +.B get_thread_area +returns 0 on success. +Otherwise, it returns \-1 and sets +.I errno +appropriately. + +.SH ERRORS +.TP +.B EFAULT +\fIu_info\fR is an invalid pointer. +.TP +.B EINVAL +\fIu_info->\fR\fIentry_number\fR is out of bounds. +.SH "CONFORMING TO" +.B get_thread_area +is Linux specific and should not be used in programs +that are intended to be portable. + +.SH AVAILABILITY +A version of +.B get_thread_area +first appeared in Linux 2.5.32. + +.SH "SEE ALSO" +.BR modify_ldt (2), +.BR set_thread_area (2) |