53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2020 Viresh Kumar <viresh.kumar@linaro.org>
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*
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* Description:
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* Cross verify the _high fields being set to 0 by the kernel.
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*/
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#include "lapi/sembuf.h"
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#include "lapi/sem.h"
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#include "tst_test.h"
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#include "libnewipc.h"
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#ifdef HAVE_SEMID64_DS_TIME_HIGH
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static void run(void)
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{
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struct semid64_ds buf_ds = {
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.sem_otime_high = 0x0A0A,
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.sem_ctime_high = 0x0A0A,
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};
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int semid;
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union semun arg;
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key_t key;
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/* get an IPC resource key */
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key = GETIPCKEY();
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semid = semget(key, 1, SEM_RA | IPC_CREAT);
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if (semid == -1)
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tst_brk(TBROK | TERRNO, "couldn't create semaphore");
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arg.buf = (struct semid_ds *)&buf_ds;
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TEST(semctl(semid, 0, IPC_STAT, arg));
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if (TST_RET == -1)
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tst_brk(TFAIL | TTERRNO, "semctl() failed");
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if (buf_ds.sem_otime_high || buf_ds.sem_ctime_high)
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tst_res(TFAIL, "time_high fields aren't cleared by the kernel");
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else
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tst_res(TPASS, "time_high fields cleared by the kernel");
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if (semctl(semid, 0, IPC_RMID, arg) == -1)
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tst_res(TINFO, "WARNING: semaphore deletion failed.");
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}
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static struct tst_test test = {
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.test_all = run,
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.needs_tmpdir = 1,
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};
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#else
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TST_TEST_TCONF("test requires struct semid64_ds to have the time_high fields");
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#endif
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