1 | /* Copyright (C) 2002-2024 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 <pthread.h> |
19 | #include <stdio.h> |
20 | #include <stdint.h> |
21 | #include <stdlib.h> |
22 | #include <unistd.h> |
23 | |
24 | |
25 | #define N 20 |
26 | |
27 | static pthread_t th[N]; |
28 | static pthread_mutex_t lock[N]; |
29 | |
30 | |
31 | static void *tf (void *a) |
32 | { |
33 | uintptr_t idx = (uintptr_t) a; |
34 | |
35 | pthread_mutex_lock (mutex: &lock[idx]); |
36 | |
37 | return pthread_equal (thread1: pthread_self (), thread2: th[idx]) ? NULL : (void *) 1l; |
38 | } |
39 | |
40 | |
41 | int |
42 | do_test (void) |
43 | { |
44 | if (pthread_equal (thread1: pthread_self (), thread2: pthread_self ()) == 0) |
45 | { |
46 | puts (s: "pthread_equal (pthread_self (), pthread_self ()) failed" ); |
47 | exit (1); |
48 | } |
49 | |
50 | pthread_attr_t at; |
51 | |
52 | if (pthread_attr_init (attr: &at) != 0) |
53 | { |
54 | puts (s: "attr_init failed" ); |
55 | return 1; |
56 | } |
57 | |
58 | if (pthread_attr_setstacksize (attr: &at, stacksize: 1 * 1024 * 1024) != 0) |
59 | { |
60 | puts (s: "attr_setstacksize failed" ); |
61 | return 1; |
62 | } |
63 | |
64 | int i; |
65 | for (i = 0; i < N; ++i) |
66 | { |
67 | if (pthread_mutex_init (mutex: &lock[i], NULL) != 0) |
68 | { |
69 | puts (s: "mutex_init failed" ); |
70 | exit (1); |
71 | } |
72 | |
73 | if (pthread_mutex_lock (mutex: &lock[i]) != 0) |
74 | { |
75 | puts (s: "mutex_lock failed" ); |
76 | exit (1); |
77 | } |
78 | |
79 | if (pthread_create (newthread: &th[i], attr: &at, start_routine: tf, arg: (void *) (long int) i) != 0) |
80 | { |
81 | puts (s: "create failed" ); |
82 | exit (1); |
83 | } |
84 | |
85 | if (pthread_mutex_unlock (mutex: &lock[i]) != 0) |
86 | { |
87 | puts (s: "mutex_unlock failed" ); |
88 | exit (1); |
89 | } |
90 | |
91 | printf (format: "created thread %d\n" , i); |
92 | } |
93 | |
94 | if (pthread_attr_destroy (attr: &at) != 0) |
95 | { |
96 | puts (s: "attr_destroy failed" ); |
97 | return 1; |
98 | } |
99 | |
100 | int result = 0; |
101 | for (i = 0; i < N; ++i) |
102 | { |
103 | void *r; |
104 | int e; |
105 | if ((e = pthread_join (th: th[i], thread_return: &r)) != 0) |
106 | { |
107 | printf (format: "join failed: %d\n" , e); |
108 | _exit (1); |
109 | } |
110 | else if (r != NULL) |
111 | result = 1; |
112 | } |
113 | |
114 | return result; |
115 | } |
116 | |
117 | |
118 | #define TEST_FUNCTION do_test () |
119 | #include "../test-skeleton.c" |
120 | |