1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright (C) 2020 Cyril Hrubis <chrubis@suse.cz>
4 */
5
6/*\
7 * [Description]
8 *
9 * Call shmctl() with IPC_INFO flag and check that the data are consistent with
10 * /proc/sys/kernel/shm*.
11 */
12
13#define _GNU_SOURCE
14#include "tst_test.h"
15#include "tst_safe_sysv_ipc.h"
16#include "libnewipc.h"
17
18static void verify_ipcinfo(void)
19{
20	struct shminfo info;
21
22	TEST(shmctl(0, IPC_INFO, (struct shmid_ds *)&info));
23
24	if (TST_RET < 0) {
25		tst_res(TFAIL | TTERRNO,
26			"shmctl(0, IPC_INFO, ...) returned %li", TST_RET);
27		return;
28	}
29
30	if (info.shmmin != 1)
31		tst_res(TFAIL, "shmmin = %li, expected 1", info.shmmin);
32	else
33		tst_res(TPASS, "shmmin = 1");
34
35	TST_ASSERT_ULONG("/proc/sys/kernel/shmmax", info.shmmax);
36	TST_ASSERT_ULONG("/proc/sys/kernel/shmmni", info.shmmni);
37	TST_ASSERT_ULONG("/proc/sys/kernel/shmall", info.shmall);
38}
39
40static struct tst_test test = {
41	.test_all = verify_ipcinfo,
42};
43