140 lines
3.2 KiB
C
140 lines
3.2 KiB
C
/*
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* Copyright (c) Huawei Technologies Co., Ltd., 2015
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU General Public License for more details.
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*/
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/* Description:
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* Verify that:
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* 1) sched_setattr succeed with correct parameters
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* 2) sched_setattr fails with unused pid
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* 3) sched_setattr fails with invalid address
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* 4) sched_setattr fails with invalid flag
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*/
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#define _GNU_SOURCE
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#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <linux/unistd.h>
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <sys/syscall.h>
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#include <pthread.h>
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#include <sched.h>
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#include <errno.h>
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#include "test.h"
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#include "lapi/sched.h"
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char *TCID = "sched_setattr01";
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#define SCHED_DEADLINE 6
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#define RUNTIME_VAL 10000000
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#define PERIOD_VAL 30000000
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#define DEADLINE_VAL 30000000
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static pid_t pid;
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static pid_t unused_pid;
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static struct sched_attr attr = {
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.size = sizeof(struct sched_attr),
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.sched_flags = 0,
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.sched_nice = 0,
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.sched_priority = 0,
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.sched_policy = SCHED_DEADLINE,
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.sched_runtime = RUNTIME_VAL,
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.sched_period = PERIOD_VAL,
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.sched_deadline = DEADLINE_VAL,
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};
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static struct test_case {
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pid_t *pid;
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struct sched_attr *a;
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unsigned int flags;
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int exp_return;
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int exp_errno;
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} test_cases[] = {
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{&pid, &attr, 0, 0, 0},
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{&unused_pid, &attr, 0, -1, ESRCH},
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{&pid, NULL, 0, -1, EINVAL},
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{&pid, &attr, 1000, -1, EINVAL}
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};
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static void setup(void);
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static void sched_setattr_verify(const struct test_case *test);
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int TST_TOTAL = ARRAY_SIZE(test_cases);
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void *do_test(void *data LTP_ATTRIBUTE_UNUSED)
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{
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int i;
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for (i = 0; i < TST_TOTAL; i++)
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sched_setattr_verify(&test_cases[i]);
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return NULL;
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}
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static void sched_setattr_verify(const struct test_case *test)
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{
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TEST(sched_setattr(*(test->pid), test->a, test->flags));
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if (TEST_RETURN != test->exp_return) {
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tst_resm(TFAIL | TTERRNO, "sched_setattr(%i,attr,%u) "
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"returned: %ld expected: %d",
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*(test->pid), test->flags,
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TEST_RETURN, test->exp_return);
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return;
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}
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if (TEST_ERRNO == test->exp_errno) {
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tst_resm(TPASS | TTERRNO,
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"sched_setattr() works as expected");
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return;
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}
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tst_resm(TFAIL | TTERRNO, "sched_setattr(%i,attr,%u): "
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"expected: %d - %s",
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*(test->pid), test->flags,
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test->exp_errno, tst_strerrno(test->exp_errno));
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}
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int main(int argc, char **argv)
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{
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pthread_t thread;
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int lc;
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tst_parse_opts(argc, argv, NULL, NULL);
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setup();
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for (lc = 0; TEST_LOOPING(lc); lc++) {
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pthread_create(&thread, NULL, do_test, NULL);
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pthread_join(thread, NULL);
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}
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tst_exit();
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}
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void setup(void)
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{
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unused_pid = tst_get_unused_pid(setup);
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tst_require_root();
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if ((tst_kvercmp(3, 14, 0)) < 0)
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tst_brkm(TCONF, NULL, "EDF needs kernel 3.14 or higher");
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TEST_PAUSE;
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}
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