1/* Smoke test for socket options.
2 Copyright (C) 2021-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <support/xsocket.h>
20#include <support/xunistd.h>
21#include <support/check.h>
22#include <netinet/in.h>
23
24static int
25do_test (void)
26{
27 int fd = xsocket (AF_INET, SOCK_STREAM, IPPROTO_TCP);
28
29 struct linger value = { -1, -1 };
30 socklen_t optlen = sizeof (value);
31 TEST_COMPARE (getsockopt (fd, SOL_SOCKET, SO_LINGER, &value, &optlen), 0);
32 TEST_COMPARE (optlen, sizeof (value));
33 TEST_COMPARE (value.l_onoff, 0);
34 TEST_COMPARE (value.l_linger, 0);
35
36 value.l_onoff = 1;
37 value.l_linger = 30;
38 TEST_COMPARE (setsockopt (fd, SOL_SOCKET, SO_LINGER, &value, sizeof (value)),
39 0);
40
41 value.l_onoff = -1;
42 value.l_linger = -1;
43 TEST_COMPARE (getsockopt (fd, SOL_SOCKET, SO_LINGER, &value, &optlen), 0);
44 TEST_COMPARE (optlen, sizeof (value));
45 TEST_COMPARE (value.l_onoff, 1);
46 TEST_COMPARE (value.l_linger, 30);
47
48 xclose (fd);
49 return 0;
50}
51
52#include <support/test-driver.c>
53

source code of glibc/socket/tst-sockopt.c