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04277e02 | 1 | /* Copyright (C) 2002-2019 Free Software Foundation, Inc. |
4614167a UD |
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 | |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
4614167a UD |
18 | |
19 | #include <pthread.h> | |
20 | #include <signal.h> | |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <unistd.h> | |
24 | ||
25 | ||
e0c68519 GG |
26 | static int do_test (void); |
27 | ||
28 | #define TEST_FUNCTION do_test () | |
29 | #include "../test-skeleton.c" | |
30 | ||
4614167a UD |
31 | static 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 | ||
56 | int | |
57 | do_test (void) | |
58 | { | |
59 | pthread_t th; | |
60 | ||
61 | if (pthread_create (&th, NULL, tf, NULL) != 0) | |
62 | { | |
e0c68519 | 63 | write_message ("create failed\n"); |
4614167a UD |
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 | } |