1 | /* Test Thread-Specific Data. |
2 | Copyright (C) 2000-2024 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 | #define _GNU_SOURCE |
20 | |
21 | #include <pthread.h> |
22 | #include <assert.h> |
23 | #include <stdio.h> |
24 | #include <error.h> |
25 | #include <errno.h> |
26 | |
27 | #define THREADS 10 |
28 | #define KEYS 400 |
29 | |
30 | pthread_key_t key[KEYS]; |
31 | |
32 | void * |
33 | thr (void *arg) |
34 | { |
35 | error_t err; |
36 | int i; |
37 | |
38 | for (i = 0; i < KEYS; i++) |
39 | { |
40 | printf (format: "pthread_getspecific(%d).\n" , key[i]); |
41 | assert (pthread_getspecific (key[i]) == NULL); |
42 | printf (format: "pthread_setspecific(%d, %d).\n" , key[i], pthread_self ()); |
43 | err = pthread_setspecific (key: key[i], pointer: (void *) pthread_self ()); |
44 | printf (format: "pthread_setspecific(%d, %d) => %d.\n" , key[i], pthread_self (), |
45 | err); |
46 | assert_perror (err); |
47 | } |
48 | |
49 | return 0; |
50 | } |
51 | |
52 | int |
53 | main (int argc, char **argv) |
54 | { |
55 | error_t err; |
56 | int i; |
57 | pthread_t tid[THREADS]; |
58 | |
59 | void des (void *val) |
60 | { |
61 | assert ((pthread_t) val == pthread_self ()); |
62 | } |
63 | |
64 | assert (pthread_getspecific ((pthread_key_t) 0) == NULL); |
65 | assert (pthread_setspecific ((pthread_key_t) 0, (void *) 0x1) == EINVAL); |
66 | |
67 | for (i = 0; i < KEYS; i++) |
68 | err = pthread_key_create (key: &key[i], destr_function: des); |
69 | |
70 | for (i = 0; i < THREADS; i++) |
71 | { |
72 | err = pthread_create (newthread: &tid[i], attr: 0, start_routine: thr, arg: 0); |
73 | if (err) |
74 | error (status: 1, errnum: err, format: "pthread_create (%d)" , i); |
75 | } |
76 | |
77 | for (i = 0; i < THREADS; i++) |
78 | { |
79 | void *ret; |
80 | |
81 | err = pthread_join (th: tid[i], thread_return: &ret); |
82 | if (err) |
83 | error (status: 1, errnum: err, format: "pthread_join" ); |
84 | |
85 | assert (ret == 0); |
86 | } |
87 | |
88 | return 0; |
89 | } |
90 | |