65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) International Business Machines Corp., 2001
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* Ported to LTP: Wayne Boyer
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* 11/2016 Modified by Guangwen Feng <fenggw-fnst@cn.fujitsu.com>
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*/
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/*
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* Verify that,
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* 1) getpriority(2) fails with -1 and sets errno to EINVAL if 'which'
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* argument was not one of PRIO_PROCESS, PRIO_PGRP, or PRIO_USER.
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* 2) getpriority(2) fails with -1 and sets errno to ESRCH if no
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* process was located for 'which' and 'who' arguments.
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*/
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#include <errno.h>
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#include <sys/resource.h>
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#include <sys/time.h>
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#include "tst_test.h"
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#define INVAL_FLAG -1
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#define INVAL_ID -1
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static struct tcase {
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int which;
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int who;
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int exp_errno;
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} tcases[] = {
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/* test 1 */
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{INVAL_FLAG, 0, EINVAL},
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/* test 2 */
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{PRIO_PROCESS, INVAL_ID, ESRCH},
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{PRIO_PGRP, INVAL_ID, ESRCH},
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{PRIO_USER, INVAL_ID, ESRCH}
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};
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static void verify_getpriority(unsigned int n)
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{
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struct tcase *tc = &tcases[n];
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TEST(getpriority(tc->which, tc->who));
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if (TST_RET != -1) {
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tst_res(TFAIL, "getpriority(%d, %d) succeeds unexpectedly, "
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"returned %li", tc->which, tc->who, TST_RET);
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return;
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}
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if (tc->exp_errno != TST_ERR) {
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tst_res(TFAIL | TTERRNO,
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"getpriority(%d, %d) should fail with %s",
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tc->which, tc->who, tst_strerrno(tc->exp_errno));
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return;
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}
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tst_res(TPASS | TTERRNO, "getpriority(%d, %d) fails as expected",
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tc->which, tc->who);
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}
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static struct tst_test test = {
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.tcnt = ARRAY_SIZE(tcases),
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.test = verify_getpriority,
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};
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