69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2021, BELLSOFT. All rights reserved.
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* Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved.
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* AUTHOR: Saji Kumar.V.R <saji.kumar@wipro.com>
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*/
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/*\
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* [Description]
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*
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* Checks functionality for sched_setparam(2)
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*
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* This test changes the scheduling priority for current process
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* and verifies it by calling sched_getparam().
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*/
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#include "tst_test.h"
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#include "tst_sched.h"
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#define FIFO_OR_RR_PRIO 5
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#define OTHER_PRIO 0
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static struct test_cases_t {
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char *desc;
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int policy;
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int priority;
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int param;
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} tcases[] = {
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{
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"Test with policy SCHED_FIFO", SCHED_FIFO, FIFO_OR_RR_PRIO, 1}, {
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"Test with policy SCHED_RR", SCHED_RR, FIFO_OR_RR_PRIO, 1}, {
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"Test with SCHED_OTHER", SCHED_OTHER, OTHER_PRIO, 0}
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};
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static void run(unsigned int n)
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{
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struct test_cases_t *tc = &tcases[n];
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struct sched_variant *tv = &sched_variants[tst_variant];
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struct sched_param p = { .sched_priority = tc->param };
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TST_EXP_PASS_SILENT(tv->sched_setscheduler(0, tc->policy, &p));
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p.sched_priority = tc->priority;
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TST_EXP_PASS_SILENT(tv->sched_setparam(0, &p));
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p.sched_priority = -1;
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TST_EXP_PASS_SILENT(tv->sched_getparam(0, &p));
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if (p.sched_priority == tc->priority) {
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tst_res(TPASS, "got expected priority %d", p.sched_priority);
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} else {
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tst_res(TFAIL, "unexpected priority value %d, expected %d",
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p.sched_priority, tc->priority);
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}
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}
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static void setup(void)
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{
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tst_res(TINFO, "Testing %s variant", sched_variants[tst_variant].desc);
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}
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static struct tst_test test = {
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.needs_root = 1,
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.setup = setup,
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.test = run,
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.test_variants = ARRAY_SIZE(sched_variants),
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.tcnt = ARRAY_SIZE(tcases),
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};
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