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1/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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 <pthread.h>
20#include <stdio.h>
21
22
23static pthread_once_t once = PTHREAD_ONCE_INIT;
24
25static int global;
26
27static void
28once_handler (void)
29{
30 ++global;
31}
32
33
34static int
35do_test (void)
36{
37 pthread_once (&once, once_handler);
38 pthread_once (&once, once_handler);
39
40 if (global != 1)
41 {
42 printf ("global = %d, expected 1\n", global);
43 return 1;
44 }
45
46 return 0;
47}
48
49#define TEST_FUNCTION do_test ()
50#include "../test-skeleton.c"
51

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