1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
/* Copyright (C) 2003-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
static char *p;
static pthread_barrier_t b;
#define BT \
e = pthread_barrier_wait (&b); \
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) \
{ \
puts ("barrier_wait failed"); \
exit (1); \
}
static void *
tf (void *a)
{
int e;
BT;
char *p2 = getcwd (NULL, 0);
if (p2 == NULL)
{
puts ("2nd getcwd failed");
exit (1);
}
if (strcmp (p, p2) != 0)
{
printf ("initial cwd mismatch: \"%s\" vs \"%s\"\n", p, p2);
exit (1);
}
free (p);
free (p2);
if (chdir ("..") != 0)
{
puts ("chdir failed");
exit (1);
}
p = getcwd (NULL, 0);
if (p == NULL)
{
puts ("getcwd failed");
exit (1);
}
return a;
}
int
do_test (void)
{
if (pthread_barrier_init (&b, NULL, 2) != 0)
{
puts ("barrier_init failed");
exit (1);
}
pthread_t th;
if (pthread_create (&th, NULL, tf, NULL) != 0)
{
puts ("create failed");
exit (1);
}
p = getcwd (NULL, 0);
if (p == NULL)
{
puts ("getcwd failed");
exit (1);
}
int e;
BT;
if (pthread_join (th, NULL) != 0)
{
puts ("join failed");
exit (1);
}
char *p2 = getcwd (NULL, 0);
if (p2 == NULL)
{
puts ("2nd getcwd failed");
exit (1);
}
if (strcmp (p, p2) != 0)
{
printf ("cwd after chdir mismatch: \"%s\" vs \"%s\"\n", p, p2);
exit (1);
}
free (p);
free (p2);
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
|
