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libio: Disable vtable validation for pre-2.1 interposed handles [BZ #25203]
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bfff8b1b 1/* Copyright (C) 2005-2017 Free Software Foundation, Inc.
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2 This file is part of the GNU C Library.
3 Contributed by Jakub Jelinek <jakub@redhat.com>, 2005.
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
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16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
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18
19#include <pthread.h>
20#include <stdbool.h>
21#include <stdint.h>
22#include <stdio.h>
23#include <tst-stack-align.h>
24
25static bool ok = true;
26static pthread_once_t once = PTHREAD_ONCE_INIT;
27
28static void
29once_test (void)
30{
31 puts ("in once_test");
32
33 if (TEST_STACK_ALIGN ())
34 ok = false;
35}
36
37static int
38do_test (void)
39{
40 puts ("in main");
41
42 if (TEST_STACK_ALIGN ())
43 ok = false;
44
45 if (pthread_once (&once, once_test))
46 {
47 puts ("pthread once failed");
48 return 1;
49 }
50
51 return ok ? 0 : 1;
52}
53
54
55#define TEST_FUNCTION do_test ()
56#include "../test-skeleton.c"