1/* Copyright (C) 2003-2024 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 <stdlib.h>
21#include <string.h>
22#include <unistd.h>
23
24
25static char *p;
26
27static pthread_barrier_t b;
28#define BT \
29 e = pthread_barrier_wait (&b); \
30 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) \
31 { \
32 puts ("barrier_wait failed"); \
33 exit (1); \
34 }
35
36
37static void *
38tf (void *a)
39{
40 int e;
41
42 BT;
43
44 char *p2 = getcwd (NULL, size: 0);
45 if (p2 == NULL)
46 {
47 puts (s: "2nd getcwd failed");
48 exit (1);
49 }
50
51 if (strcmp (p, p2) != 0)
52 {
53 printf (format: "initial cwd mismatch: \"%s\" vs \"%s\"\n", p, p2);
54 exit (1);
55 }
56
57 free (ptr: p);
58 free (ptr: p2);
59
60 if (chdir (path: "..") != 0)
61 {
62 puts (s: "chdir failed");
63 exit (1);
64 }
65
66 p = getcwd (NULL, size: 0);
67 if (p == NULL)
68 {
69 puts (s: "getcwd failed");
70 exit (1);
71 }
72
73 return a;
74}
75
76
77int
78do_test (void)
79{
80 if (pthread_barrier_init (barrier: &b, NULL, count: 2) != 0)
81 {
82 puts (s: "barrier_init failed");
83 exit (1);
84 }
85
86 pthread_t th;
87 if (pthread_create (newthread: &th, NULL, start_routine: tf, NULL) != 0)
88 {
89 puts (s: "create failed");
90 exit (1);
91 }
92
93 p = getcwd (NULL, size: 0);
94 if (p == NULL)
95 {
96 puts (s: "getcwd failed");
97 exit (1);
98 }
99
100 int e;
101 BT;
102
103 if (pthread_join (th: th, NULL) != 0)
104 {
105 puts (s: "join failed");
106 exit (1);
107 }
108
109 char *p2 = getcwd (NULL, size: 0);
110 if (p2 == NULL)
111 {
112 puts (s: "2nd getcwd failed");
113 exit (1);
114 }
115
116 if (strcmp (p, p2) != 0)
117 {
118 printf (format: "cwd after chdir mismatch: \"%s\" vs \"%s\"\n", p, p2);
119 exit (1);
120 }
121
122 free (ptr: p);
123 free (ptr: p2);
124
125 return 0;
126}
127
128
129#define TEST_FUNCTION do_test ()
130#include "../test-skeleton.c"
131

source code of glibc/sysdeps/pthread/tst-basic6.c