1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (C) 2020 Cyril Hrubis <[email protected]>
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
verify_ipcinfo(void)18 static 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
40 static struct tst_test test = {
41 .test_all = verify_ipcinfo,
42 };
43