strace/tests/sched_xetparam.c
Dmitry V. Levin 92e347b556 Add copyright headers to some files that lack them
We do our best to keep copyright headers up to date, yet
git history provides better information on this subject
and is more accurate than copyright headers.
2018-12-24 23:46:43 +00:00

41 lines
830 B
C

/*
* Copyright (c) 2016-2018 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <asm/unistd.h>
#if defined __NR_sched_getparam && defined __NR_sched_setparam
# include <sched.h>
# include <stdio.h>
# include <unistd.h>
int
main(void)
{
struct sched_param *const param =
tail_alloc(sizeof(struct sched_param));
long rc = syscall(__NR_sched_getparam, 0, param);
printf("sched_getparam(0, [%d]) = %ld\n",
param->sched_priority, rc);
param->sched_priority = -1;
rc = syscall(__NR_sched_setparam, 0, param);
printf("sched_setparam(0, [%d]) = %ld %s (%m)\n",
param->sched_priority, rc, errno2name());
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_sched_getparam && __NR_sched_setparam")
#endif