File: sync_file_range2.c

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/*
 * Check decoding of sync_file_range2 syscall.
 *
 * Copyright (c) 2016-2018 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>

#if defined HAVE_SYNC_FILE_RANGE && defined  __NR_sync_file_range2

# include <stdio.h>

int
main(void)
{
	const int fd = -1;
	const off64_t offset = 0xdeadbeefbadc0ded;
	const off64_t nbytes = 0xfacefeedcafef00d;
	const unsigned int flags = -1;

	int rc = sync_file_range(fd, offset, nbytes, flags);
	printf("%s(%d, SYNC_FILE_RANGE_WAIT_BEFORE"
	       "|SYNC_FILE_RANGE_WRITE|SYNC_FILE_RANGE_WAIT_AFTER"
	       "|0xfffffff8, %lld, %lld) = %d %s (%m)\n",
	       "sync_file_range2", fd,
	       (long long) offset,
	       (long long) nbytes,
	       rc, errno2name());

	puts("+++ exited with 0 +++");
	return 0;
}

#else

SKIP_MAIN_UNDEFINED("HAVE_SYNC_FILE_RANGE && __NR_sync_file_range2")

#endif