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
25static pthread_key_t key1;
26static pthread_key_t key2;
27
28
29static int left;
30
31
32static void
33destr1 (void *arg)
34{
35 if (--left > 0)
36 {
37 puts (s: "set key2");
38
39 /* Use an arbirary but valid pointer to avoid GCC warnings. */
40 if (pthread_setspecific (key: key2, pointer: (void *) &left) != 0)
41 {
42 puts (s: "destr1: setspecific failed");
43 exit (1);
44 }
45 }
46}
47
48
49static void
50destr2 (void *arg)
51{
52 if (--left > 0)
53 {
54 puts (s: "set key1");
55
56 /* Use an arbirary but valid pointer to avoid GCC warnings. */
57 if (pthread_setspecific (key: key1, pointer: (void *) &left) != 0)
58 {
59 puts (s: "destr2: setspecific failed");
60 exit (1);
61 }
62 }
63}
64
65
66static void *
67tf (void *arg)
68{
69 /* Let the destructors work. */
70 left = 7;
71
72 /* Use an arbirary but valid pointer to avoid GCC warnings. */
73 if (pthread_setspecific (key: key1, pointer: (void *) &left) != 0
74 || pthread_setspecific (key: key2, pointer: (void *) &left) != 0)
75 {
76 puts (s: "tf: setspecific failed");
77 exit (1);
78 }
79
80 return NULL;
81}
82
83
84static int
85do_test (void)
86{
87 /* Allocate two keys, both with destructors. */
88 if (pthread_key_create (key: &key1, destr_function: destr1) != 0
89 || pthread_key_create (key: &key2, destr_function: destr2) != 0)
90 {
91 puts (s: "key_create failed");
92 return 1;
93 }
94
95 pthread_t th;
96 if (pthread_create (newthread: &th, NULL, start_routine: tf, NULL) != 0)
97 {
98 puts (s: "create failed");
99 return 1;
100 }
101
102 if (pthread_join (th: th, NULL) != 0)
103 {
104 puts (s: "join failed");
105 return 1;
106 }
107
108 if (left != 0)
109 {
110 printf (format: "left == %d\n", left);
111 return 1;
112 }
113
114 if (pthread_getspecific (key: key1) != NULL)
115 {
116 puts (s: "key1 data != NULL");
117 return 1;
118 }
119 if (pthread_getspecific (key: key2) != NULL)
120 {
121 puts (s: "key2 data != NULL");
122 return 1;
123 }
124
125 return 0;
126}
127
128
129#define TEST_FUNCTION do_test ()
130#include "../test-skeleton.c"
131

source code of glibc/nptl/tst-tsd3.c