android13/external/ltp/testcases/kernel/syscalls/ipc/shmctl/shmctl03.c

44 lines
948 B
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2020 Cyril Hrubis <chrubis@suse.cz>
*/
/*\
* [Description]
*
* Call shmctl() with IPC_INFO flag and check that the data are consistent with
* /proc/sys/kernel/shm*.
*/
#define _GNU_SOURCE
#include "tst_test.h"
#include "tst_safe_sysv_ipc.h"
#include "libnewipc.h"
static void verify_ipcinfo(void)
{
struct shminfo info;
TEST(shmctl(0, IPC_INFO, (struct shmid_ds *)&info));
if (TST_RET < 0) {
tst_res(TFAIL | TTERRNO,
"shmctl(0, IPC_INFO, ...) returned %li",
TST_RET);
return;
}
if (info.shmmin != 1)
tst_res(TFAIL, "shmmin = %li, expected 1", info.shmmin);
else
tst_res(TPASS, "shmmin = 1");
TST_ASSERT_ULONG("/proc/sys/kernel/shmmax", info.shmmax);
TST_ASSERT_ULONG("/proc/sys/kernel/shmmni", info.shmmni);
TST_ASSERT_ULONG("/proc/sys/kernel/shmall", info.shmall);
}
static struct tst_test test = {
.test_all = verify_ipcinfo,
};