1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) International Business Machines Corp., 2001
4 * 07/2001 Ported by Wayne Boyer
5 * Copyright (c) 2023 SUSE LLC Avinesh Kumar <avinesh.kumar@suse.com>
6 */
7
8 /*\
9 * [Description]
10 *
11 * Verify the basic functionality of getpgid(2) syscall.
12 */
13
14 #include "tst_test.h"
15
run(void)16 static void run(void)
17 {
18 pid_t pid_1, child_pid, pgid;
19
20 pgid = getpgid(0);
21 tst_res(TINFO, "getpgid(0) in parent = %d", pgid);
22
23 pid_1 = SAFE_FORK();
24 if (!pid_1) {
25 child_pid = getpid();
26
27 tst_res(TINFO, "getpid() in child = %d", child_pid);
28 tst_res(TINFO, "Running getpgid() in child");
29
30 TST_EXP_PID(getpgid(0));
31 TST_EXP_EQ_LI(TST_RET, pgid);
32
33 TST_EXP_PID(getpgid(child_pid), "getpgid(%d)", child_pid);
34 TST_EXP_EQ_LI(TST_RET, pgid);
35
36 TST_EXP_PID(getpgid(pgid), "getpgid(%d)", pgid);
37 TST_EXP_EQ_LI(TST_RET, pgid);
38
39 TST_EXP_PID(getpgid(1));
40 TST_EXP_EQ_LI(TST_RET, 1);
41 }
42
43 tst_reap_children();
44 }
45
46 static struct tst_test test = {
47 .test_all = run,
48 .forks_child = 1
49 };
50