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1/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
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
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19#include <pthread.h>
20#include <stdio.h>
21#include <stdint.h>
22#include <stdlib.h>
23#include <unistd.h>
24
25
26#define N 20
27
28static pthread_t th[N];
29static pthread_mutex_t lock[N];
30
31
32static void *tf (void *a)
33{
34 uintptr_t idx = (uintptr_t) a;
35
36 pthread_mutex_lock (&lock[idx]);
37
38 return pthread_equal (pthread_self (), th[idx]) ? NULL : (void *) 1l;
39}
40
41
42int
43do_test (void)
44{
45 if (pthread_equal (pthread_self (), pthread_self ()) == 0)
46 {
47 puts ("pthread_equal (pthread_self (), pthread_self ()) failed");
48 exit (1);
49 }
50
51 pthread_attr_t at;
52
53 if (pthread_attr_init (&at) != 0)
54 {
55 puts ("attr_init failed");
56 return 1;
57 }
58
59 if (pthread_attr_setstacksize (&at, 1 * 1024 * 1024) != 0)
60 {
61 puts ("attr_setstacksize failed");
62 return 1;
63 }
64
65 int i;
66 for (i = 0; i < N; ++i)
67 {
68 if (pthread_mutex_init (&lock[i], NULL) != 0)
69 {
70 puts ("mutex_init failed");
71 exit (1);
72 }
73
74 if (pthread_mutex_lock (&lock[i]) != 0)
75 {
76 puts ("mutex_lock failed");
77 exit (1);
78 }
79
80 if (pthread_create (&th[i], &at, tf, (void *) (long int) i) != 0)
81 {
82 puts ("create failed");
83 exit (1);
84 }
85
86 if (pthread_mutex_unlock (&lock[i]) != 0)
87 {
88 puts ("mutex_unlock failed");
89 exit (1);
90 }
91
92 printf ("created thread %d\n", i);
93 }
94
95 if (pthread_attr_destroy (&at) != 0)
96 {
97 puts ("attr_destroy failed");
98 return 1;
99 }
100
101 int result = 0;
102 for (i = 0; i < N; ++i)
103 {
104 void *r;
105 int e;
106 if ((e = pthread_join (th[i], &r)) != 0)
107 {
108 printf ("join failed: %d\n", e);
109 _exit (1);
110 }
111 else if (r != NULL)
112 result = 1;
113 }
114
115 return result;
116}
117
118
119#define TEST_FUNCTION do_test ()
120#include "../test-skeleton.c"
121

Warning: That file was not part of the compilation database. It may have many parsing errors.