Refer to C23 in place of C2X in glibc
[glibc.git] / nptl / tst-thread-setspecific.c
blob462c9f0d2bb34e40cd7723824dac1c841ad48fe3
1 /* Test to verify that passing a pointer to an uninitialized object
2 to pthread_setspecific doesn't trigger bogus uninitialized warnings.
3 Copyright (C) 2021-2024 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <https://www.gnu.org/licenses/>. */
20 #include <pthread.h>
21 #include <stdlib.h>
22 #include <libc-diag.h>
24 /* Turn uninitialized warnings into errors to detect the problem.
25 See BZ #27714. */
27 DIAG_PUSH_NEEDS_COMMENT;
28 DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
29 DIAG_IGNORE_NEEDS_COMMENT (6, "-Wuninitialized");
31 static int
32 do_test (void)
34 void *p = malloc (1); /* Deliberately uninitialized. */
35 pthread_setspecific (pthread_self (), p);
37 void *q = pthread_getspecific (pthread_self ());
39 return p == q;
42 DIAG_POP_NEEDS_COMMENT;
44 #include <support/test-driver.c>