strace/tests/sleep.c
Dmitry V. Levin 96a9ff5746 tests: do not include <errno.h> unnecessarily
Automatically change tests/*.c files using the following script:

for f in tests/*.c; do
	grep -Fv errno.h "$f" |
	grep -Ewq '(si_)?errno|SOCK_FILTER_DENY_SYSCALL' ||
		sed -i '/# *include *<errno\.h>/d' "$f"
done
2016-04-21 22:05:57 +00:00

50 lines
1.8 KiB
C

/*
* A simple nanosleep based sleep(1) replacement.
*
* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "tests.h"
#include <stdlib.h>
#include <time.h>
int
main(int ac, char **av)
{
if (ac < 2)
error_msg_and_fail("missing operand");
if (ac > 2)
error_msg_and_fail("extra operand");
struct timespec ts = { atoi(av[1]), 0 };
if (nanosleep(&ts, NULL))
perror_msg_and_fail("nanosleep");
return 0;
}