1/* Copyright (C) 2002-2023 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 <errno.h>
19#include "pthreadP.h"
20#include <shlib-compat.h>
21
22/* Global definition. Needed in pthread_getconcurrency as well. */
23int __concurrency_level;
24
25
26int
27__pthread_setconcurrency (int level)
28{
29 if (level < 0)
30 return EINVAL;
31
32 __concurrency_level = level;
33
34 /* XXX For ports which actually need to handle the concurrency level
35 some more code is probably needed here. */
36
37 return 0;
38}
39versioned_symbol (libc, __pthread_setconcurrency, pthread_setconcurrency,
40 GLIBC_2_34);
41
42#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_1, GLIBC_2_34)
43compat_symbol (libpthread, __pthread_setconcurrency, pthread_setconcurrency,
44 GLIBC_2_1);
45#endif
46