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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 <signal.h>
21#include <stdio.h>
22#include <stdlib.h>
23#include <unistd.h>
24
25
26static int do_test (void);
27
28#define TEST_FUNCTION do_test ()
29#include "../test-skeleton.c"
30
31static void *tf (void *a)
32{
33 puts ("start tf");
34
35 /* Multiple locking, implicitly or explicitly, must be possible. */
36 flockfile (stdout);
37
38 puts ("after first flockfile");
39
40 flockfile (stdout);
41
42 puts ("foo");
43
44 funlockfile (stdout);
45
46 puts ("after first funlockfile");
47
48 funlockfile (stdout);
49
50 puts ("all done");
51
52 return a;
53}
54
55
56int
57do_test (void)
58{
59 pthread_t th;
60
61 if (pthread_create (&th, NULL, tf, NULL) != 0)
62 {
63 write_message ("create failed\n");
64 _exit (1);
65 }
66
67 void *result;
68 if (pthread_join (th, &result) != 0)
69 {
70 puts ("join failed");
71 exit (1);
72 }
73 else if (result != NULL)
74 {
75 printf ("wrong return value: %p, expected %p\n", result, NULL);
76 exit (1);
77 }
78
79 puts ("join returned succsefully");
80
81 return 0;
82}
83

Warning: That file was not part of the compilation database. It may have many parsing errors.