1/* Copyright (C) 2004-2020 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include <pthreadP.h>
19#include <stdlib.h>
20#include <tls.h>
21#include <unistd.h>
22
23/* Default thread attributes for the case when the user does not
24 provide any. */
25union pthread_attr_transparent __default_pthread_attr attribute_hidden;
26
27/* Mutex protecting __default_pthread_attr. */
28int __default_pthread_attr_lock = LLL_LOCK_INITIALIZER;
29
30/* Flag whether the machine is SMP or not. */
31int __is_smp attribute_hidden;
32
33#ifndef TLS_MULTIPLE_THREADS_IN_TCB
34/* Variable set to a nonzero value either if more than one thread runs or ran,
35 or if a single-threaded process is trying to cancel itself. See
36 nptl/descr.h for more context on the single-threaded process case. */
37int __pthread_multiple_threads attribute_hidden;
38#endif
39
40/* Table of the key information. */
41struct pthread_key_struct __pthread_keys[PTHREAD_KEYS_MAX]
42 __attribute__ ((nocommon));
43hidden_data_def (__pthread_keys)
44