1 | /* Copyright (C) 2003-2022 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <limits.h> |
19 | #include <pthread.h> |
20 | #include <stdio.h> |
21 | #include <stdlib.h> |
22 | #include <unistd.h> |
23 | |
24 | |
25 | static pthread_key_t key; |
26 | |
27 | |
28 | static int rounds; |
29 | |
30 | |
31 | static void |
32 | destr (void *arg) |
33 | { |
34 | ++rounds; |
35 | |
36 | /* Use an arbirary but valid pointer to avoid GCC warnings. */ |
37 | if (pthread_setspecific (key: key, pointer: (void *) &rounds) != 0) |
38 | { |
39 | puts (s: "destr: setspecific failed" ); |
40 | exit (1); |
41 | } |
42 | } |
43 | |
44 | |
45 | static void * |
46 | tf (void *arg) |
47 | { |
48 | /* Use an arbirary but valid pointer to avoid GCC warnings. */ |
49 | if (pthread_setspecific (key: key, pointer: (void *) &rounds) != 0) |
50 | { |
51 | puts (s: "tf: setspecific failed" ); |
52 | exit (1); |
53 | } |
54 | |
55 | return NULL; |
56 | } |
57 | |
58 | |
59 | /* This test check non-standard behavior. The standard does not |
60 | require that the implementation has to stop calling TSD destructors |
61 | when they are set over and over again. But NPTL does. */ |
62 | static int |
63 | do_test (void) |
64 | { |
65 | /* Allocate two keys, both with destructors. */ |
66 | if (pthread_key_create (key: &key, destr_function: destr) != 0) |
67 | { |
68 | puts (s: "key_create failed" ); |
69 | return 1; |
70 | } |
71 | |
72 | pthread_t th; |
73 | if (pthread_create (newthread: &th, NULL, start_routine: tf, NULL) != 0) |
74 | { |
75 | puts (s: "create failed" ); |
76 | return 1; |
77 | } |
78 | |
79 | if (pthread_join (th: th, NULL) != 0) |
80 | { |
81 | puts (s: "join failed" ); |
82 | return 1; |
83 | } |
84 | |
85 | if (rounds < PTHREAD_DESTRUCTOR_ITERATIONS) |
86 | { |
87 | printf (format: "rounds == %d, PTHREAD_DESTRUCTOR_ITERATIONS = %d\n" , |
88 | rounds, PTHREAD_DESTRUCTOR_ITERATIONS); |
89 | return 1; |
90 | } |
91 | |
92 | if (pthread_getspecific (key: key) != NULL) |
93 | { |
94 | puts (s: "key data != NULL" ); |
95 | return 1; |
96 | } |
97 | |
98 | return 0; |
99 | } |
100 | |
101 | |
102 | #define TEST_FUNCTION do_test () |
103 | #include "../test-skeleton.c" |
104 | |