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
132
|
/* Test manipulation of non-blocking flag.
Copyright (C) 2011-2014 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Written by Eric Blake <ebb9@byu.net>, 2011. */
#include <config.h>
#include "nonblocking.h"
#include <errno.h>
#include <fcntl.h>
#include <sys/socket.h>
#include <unistd.h>
#include "macros.h"
int
main (void)
{
const char *file = "test-nonblock.tmp";
int fd_file;
int fd_pipe[2];
fd_file = creat (file, 0600);
/* Assume std descriptors were provided by invoker. */
ASSERT (STDERR_FILENO < fd_file);
/* Test regular files; setting nonblocking on file is unspecified. */
ASSERT (get_nonblocking_flag (fd_file) == 0);
ASSERT (set_nonblocking_flag (fd_file, false) == 0);
ASSERT (get_nonblocking_flag (fd_file) == 0);
ASSERT (close (fd_file) == 0);
ASSERT (unlink (file) == 0);
/* Test directories; setting nonblocking is unspecified. */
fd_file = open (".", O_RDONLY);
if (STDERR_FILENO < fd_file)
{
/* mingw can't open directories unless fchdir module is active. */
ASSERT (get_nonblocking_flag (fd_file) == 0);
ASSERT (set_nonblocking_flag (fd_file, false) == 0);
ASSERT (get_nonblocking_flag (fd_file) == 0);
ASSERT (close (fd_file) == 0);
}
/* Test pipes. */
ASSERT (pipe (fd_pipe) == 0);
ASSERT (get_nonblocking_flag (fd_pipe[0]) == 0);
ASSERT (get_nonblocking_flag (fd_pipe[1]) == 0);
ASSERT (set_nonblocking_flag (fd_pipe[0], true) == 0);
ASSERT (get_nonblocking_flag (fd_pipe[0]) == 1);
ASSERT (get_nonblocking_flag (fd_pipe[1]) == 0);
ASSERT (set_nonblocking_flag (fd_pipe[1], true) == 0);
ASSERT (set_nonblocking_flag (fd_pipe[0], false) == 0);
ASSERT (get_nonblocking_flag (fd_pipe[0]) == 0);
ASSERT (get_nonblocking_flag (fd_pipe[1]) == 1);
ASSERT (close (fd_pipe[0]) == 0);
ASSERT (close (fd_pipe[1]) == 0);
#if GNULIB_TEST_PIPE2
ASSERT (pipe2 (fd_pipe, O_NONBLOCK) == 0);
ASSERT (get_nonblocking_flag (fd_pipe[0]) == 1);
ASSERT (get_nonblocking_flag (fd_pipe[1]) == 1);
ASSERT (close (fd_pipe[0]) == 0);
ASSERT (close (fd_pipe[1]) == 0);
#endif /* GNULIB_TEST_PIPE2 */
#if GNULIB_TEST_SOCKET
{
/* Test sockets. */
bool sock_works = true;
int fd_sock;
# if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
/* For now, we can't get nonblocking status of windows sockets. */
sock_works = false;
# endif
fd_sock = socket (AF_INET, SOCK_STREAM, 0);
ASSERT (get_nonblocking_flag (fd_sock) == (sock_works ? 0 : -1));
ASSERT (set_nonblocking_flag (fd_sock, true) == 0);
ASSERT (get_nonblocking_flag (fd_sock) == (sock_works ? 1 : -1));
ASSERT (set_nonblocking_flag (fd_sock, false) == 0);
ASSERT (get_nonblocking_flag (fd_sock) == (sock_works ? 0 : -1));
ASSERT (close (fd_sock) == 0);
# if SOCK_NONBLOCK
fd_sock = socket (AF_INET, SOCK_STREAM | SOCK_NONBLOCK, 0);
ASSERT (get_nonblocking_flag (fd_sock) == (sock_works ? 1 : -1));
ASSERT (close (fd_sock) == 0);
# endif /* SOCK_NONBLOCK */
}
#endif /* GNULIB_TEST_SOCKET */
/* Test error handling. */
{
errno = 0;
ASSERT (get_nonblocking_flag (-1) == -1);
ASSERT (errno == EBADF);
}
{
errno = 0;
ASSERT (set_nonblocking_flag (-1, false) == -1);
ASSERT (errno == EBADF);
}
{
errno = 0;
ASSERT (set_nonblocking_flag (-1, true) == -1);
ASSERT (errno == EBADF);
}
{
errno = 0;
ASSERT (set_nonblocking_flag (getdtablesize (), false) == -1);
ASSERT (errno == EBADF);
}
return 0;
}
|
