1 | /* C11 threads specific storage tests. |
2 | Copyright (C) 2018-2024 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
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 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <threads.h> |
20 | #include <stdio.h> |
21 | #include <unistd.h> |
22 | |
23 | #include <support/check.h> |
24 | |
25 | /* Thread specific storage. */ |
26 | static tss_t key; |
27 | |
28 | #define TSS_VALUE (void*) 0xFF |
29 | |
30 | static int |
31 | tss_thrd (void *arg) |
32 | { |
33 | if (tss_create (tss_id: &key, NULL) != thrd_success) |
34 | FAIL_EXIT1 ("tss_create failed" ); |
35 | |
36 | if (tss_set (tss_id: key, TSS_VALUE) != thrd_success) |
37 | FAIL_EXIT1 ("tss_set failed" ); |
38 | |
39 | void *value = tss_get (tss_id: key); |
40 | if (value == 0) |
41 | FAIL_EXIT1 ("tss_get failed" ); |
42 | if (value != TSS_VALUE) |
43 | FAIL_EXIT1 ("tss_get returned %p, expected %p" , value, TSS_VALUE); |
44 | |
45 | thrd_exit (res: thrd_success); |
46 | } |
47 | |
48 | static int |
49 | do_test (void) |
50 | { |
51 | /* Setting an invalid key should return an error. */ |
52 | if (tss_set (tss_id: key, TSS_VALUE) == thrd_success) |
53 | FAIL_EXIT1 ("tss_set succeed where it should have failed" ); |
54 | |
55 | if (tss_create (tss_id: &key, NULL) != thrd_success) |
56 | FAIL_EXIT1 ("tss_create failed" ); |
57 | |
58 | thrd_t id; |
59 | if (thrd_create (thr: &id, func: tss_thrd, NULL) != thrd_success) |
60 | FAIL_EXIT1 ("thrd_create failed" ); |
61 | |
62 | if (thrd_join (thr: id, NULL) != thrd_success) |
63 | FAIL_EXIT1 ("thrd failed" ); |
64 | |
65 | /* The value set in tss_thrd should not be visible here. */ |
66 | void *value = tss_get (tss_id: key); |
67 | if (value != 0) |
68 | FAIL_EXIT1 ("tss_get succeed where it should have failed" ); |
69 | |
70 | tss_delete (tss_id: key); |
71 | |
72 | return 0; |
73 | } |
74 | |
75 | #include <support/test-driver.c> |
76 | |