1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
4 * 06/1994 AUTHOR: Richard Logan CO-PILOT: William Roske
5 * Copyright (c) 2012-2023 SUSE LLC
6 */
7
8 /*\
9 * [Description]
10 *
11 * Basic test for dup(2) of a named pipe descriptor.
12 */
13
14 #include "tst_test.h"
15
16 #define FNAME "dupfile"
17
18 static int fd = -1;
19
run(void)20 static void run(void)
21 {
22 TST_EXP_FD(dup(fd), "dup(%d)", fd);
23 SAFE_CLOSE(TST_RET);
24 }
25
setup(void)26 static void setup(void)
27 {
28 SAFE_MKFIFO(FNAME, 0777);
29 fd = SAFE_OPEN(FNAME, O_RDWR, 0700);
30 }
31
cleanup(void)32 static void cleanup(void)
33 {
34 if (fd != -1)
35 SAFE_CLOSE(fd);
36 }
37
38 static struct tst_test test = {
39 .test_all = run,
40 .setup = setup,
41 .cleanup = cleanup,
42 .needs_tmpdir = 1,
43 };
44