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 <unistd.h>
21#include <sys/types.h>
22
23
24static int do_test (void);
25
26#define TEST_FUNCTION do_test ()
27#include "../test-skeleton.c"
28
29static pid_t pid;
30
31static void *
32tf (void *a)
33{
34 if (getpid () != pid)
35 {
36 write_message (message: "pid mismatch\n");
37 _exit (1);
38 }
39
40 return a;
41}
42
43
44int
45do_test (void)
46{
47 pid = getpid ();
48
49#define N 2
50 pthread_t t[N];
51 int i;
52
53 for (i = 0; i < N; ++i)
54 if (pthread_create (newthread: &t[i], NULL, start_routine: tf, arg: (void *) (long int) (i + 1)) != 0)
55 {
56 write_message (message: "create failed\n");
57 _exit (1);
58 }
59 else
60 printf (format: "created thread %d\n", i);
61
62 for (i = 0; i < N; ++i)
63 {
64 void *r;
65 int e;
66 if ((e = pthread_join (th: t[i], thread_return: &r)) != 0)
67 {
68 printf (format: "join failed: %d\n", e);
69 _exit (1);
70 }
71 else if (r != (void *) (long int) (i + 1))
72 {
73 write_message (message: "result wrong\n");
74 _exit (1);
75 }
76 else
77 printf (format: "joined thread %d\n", i);
78 }
79
80 return 0;
81}
82

source code of glibc/sysdeps/pthread/tst-basic1.c