strace/tests/userfaultfd.c

33 lines
605 B
C

/*
* Copyright (c) 2015-2018 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <fcntl.h>
#include <asm/unistd.h>
#include "scno.h"
#if defined __NR_userfaultfd && defined O_CLOEXEC
# include <stdio.h>
# include <unistd.h>
int
main(void)
{
long rc = syscall(__NR_userfaultfd, 1 | O_NONBLOCK | O_CLOEXEC);
printf("userfaultfd(O_NONBLOCK|O_CLOEXEC|0x1) = %ld %s (%m)\n",
rc, errno2name());
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_userfaultfd && O_CLOEXEC")
#endif