android13/external/ltp/testcases/kernel/syscalls/ipc/msgctl/msgctl05.c

49 lines
1.1 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2020 Viresh Kumar <viresh.kumar@linaro.org>
*
* Description:
* Cross verify the _high fields being set to 0 by the kernel.
*/
#include <sys/msg.h>
#include "lapi/msgbuf.h"
#include "libnewipc.h"
#include "tst_test.h"
#include "tst_safe_sysv_ipc.h"
#ifdef HAVE_MSQID64_DS_TIME_HIGH
static void run(void)
{
struct msqid64_ds buf_ds = {
.msg_stime_high = 0x0A0A,
.msg_rtime_high = 0x0A0A,
.msg_ctime_high = 0x0A0A,
};
int msqid;
key_t key;
key = GETIPCKEY();
msqid = SAFE_MSGGET(key, IPC_CREAT | IPC_EXCL | MSG_RW | 0600);
TEST(msgctl(msqid, IPC_STAT, (struct msqid_ds *)&buf_ds));
if (TST_RET == -1)
tst_brk(TFAIL | TTERRNO, "msqctl() failed");
if (buf_ds.msg_stime_high || buf_ds.msg_rtime_high || buf_ds.msg_ctime_high)
tst_res(TFAIL, "time_high fields aren't cleared by the kernel");
else
tst_res(TPASS, "time_high fields cleared by the kernel");
SAFE_MSGCTL(msqid, IPC_RMID, NULL);
}
static struct tst_test test = {
.test_all = run,
.needs_tmpdir = 1,
};
#else
TST_TEST_TCONF("test requires struct msqid64_ds to have the time_high fields");
#endif