C++程序  |  53行  |  1.45 KB

/*
 * Copyright (c) International Business Machines  Corp., 2001
 *  07/2001 Ported by Wayne Boyer
 * Copyright (C) 2015-2017 Cyril Hrubis <chrubis@suse.cz>
 *
 * This program is free software;  you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY;  without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
 * the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program;  if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

/*
 * Test Description:
 *  nanosleep() should return with value 0 and the process should be
 *  suspended for time specified by timespec structure.
 */

#include <errno.h>

#include "tst_timer_test.h"

int sample_fn(int clk_id, long long usec)
{
	struct timespec t = tst_us_to_timespec(usec);

	tst_timer_start(clk_id);
	TEST(nanosleep(&t, NULL));
	tst_timer_stop();
	tst_timer_sample();

	if (TEST_RETURN != 0) {
		tst_res(TFAIL | TERRNO,
			"nanosleep() returned %li", TEST_RETURN);
		return 1;
	}

	return 0;
}

static struct tst_test test = {
	.scall = "nanosleep()",
	.sample = sample_fn,
};