1f08c3bdfSopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later
2f08c3bdfSopenharmony_ci/*
3f08c3bdfSopenharmony_ci *   Copyright (c) International Business Machines  Corp., 2001
4f08c3bdfSopenharmony_ci *		07/2001 Ported by Wayne Boyer
5f08c3bdfSopenharmony_ci *   Copyright (c) 2022 SUSE LLC Avinesh Kumar <avinesh.kumar@suse.com>
6f08c3bdfSopenharmony_ci */
7f08c3bdfSopenharmony_ci
8f08c3bdfSopenharmony_ci/*\
9f08c3bdfSopenharmony_ci * [Description]
10f08c3bdfSopenharmony_ci *
11f08c3bdfSopenharmony_ci * Verify that session IDs returned by getsid() (with argument pid=0)
12f08c3bdfSopenharmony_ci * are same in parent and child process.
13f08c3bdfSopenharmony_ci */
14f08c3bdfSopenharmony_ci
15f08c3bdfSopenharmony_ci
16f08c3bdfSopenharmony_ci#include "tst_test.h"
17f08c3bdfSopenharmony_ci
18f08c3bdfSopenharmony_cistatic pid_t p_sid;
19f08c3bdfSopenharmony_ci
20f08c3bdfSopenharmony_cistatic void run(void)
21f08c3bdfSopenharmony_ci{
22f08c3bdfSopenharmony_ci	pid_t pid, c_sid;
23f08c3bdfSopenharmony_ci
24f08c3bdfSopenharmony_ci	TEST(getsid(0));
25f08c3bdfSopenharmony_ci	if (TST_RET == -1) {
26f08c3bdfSopenharmony_ci		tst_res(TFAIL | TTERRNO, "getsid(0) failed in parent");
27f08c3bdfSopenharmony_ci		return;
28f08c3bdfSopenharmony_ci	}
29f08c3bdfSopenharmony_ci
30f08c3bdfSopenharmony_ci	p_sid = TST_RET;
31f08c3bdfSopenharmony_ci
32f08c3bdfSopenharmony_ci	pid = SAFE_FORK();
33f08c3bdfSopenharmony_ci
34f08c3bdfSopenharmony_ci	if (pid == 0) {
35f08c3bdfSopenharmony_ci		TEST(getsid(0));
36f08c3bdfSopenharmony_ci		if (TST_RET == -1) {
37f08c3bdfSopenharmony_ci			tst_res(TFAIL | TTERRNO, "getsid(0) failed in child");
38f08c3bdfSopenharmony_ci			return;
39f08c3bdfSopenharmony_ci		}
40f08c3bdfSopenharmony_ci		c_sid = TST_RET;
41f08c3bdfSopenharmony_ci		TST_EXP_EQ_LI(p_sid, c_sid);
42f08c3bdfSopenharmony_ci	} else {
43f08c3bdfSopenharmony_ci		SAFE_WAITPID(pid, NULL, 0);
44f08c3bdfSopenharmony_ci	}
45f08c3bdfSopenharmony_ci}
46f08c3bdfSopenharmony_ci
47f08c3bdfSopenharmony_cistatic struct tst_test test = {
48f08c3bdfSopenharmony_ci	.test_all = run,
49f08c3bdfSopenharmony_ci	.forks_child = 1
50f08c3bdfSopenharmony_ci};
51