1/* Definitions to set up thread-local data. x86 version.
2 Copyright (C) 2018-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19static inline void __attribute__ ((always_inline))
20tls_setup_tcbhead (struct pthread *pd)
21{
22 pd->header.feature_1 = THREAD_GETMEM (THREAD_SELF, header.feature_1);
23}
24

source code of glibc/sysdeps/x86/nptl/tls-setup.h