1/* Initialize pid and tid fields of struct pthread. Linux version.
2 Copyright (C) 2015-2019 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 <http://www.gnu.org/licenses/>. */
18
19#include <pthreadP.h>
20#include <sysdep.h>
21
22/* Initialize PD->pid and PD->tid for the initial thread. If there is
23 setup required to arrange that __exit_thread causes PD->tid to be
24 cleared and futex-woken, then this function should do that as well. */
25static inline void
26__pthread_initialize_pids (struct pthread *pd)
27{
28 INTERNAL_SYSCALL_DECL (err);
29 pd->tid = INTERNAL_SYSCALL_CALL (set_tid_address, err, &pd->tid);
30}
31