sync_file_range2.c revision d35df493b4e7684c50d2d2fa032ee3a7ac228009 
1/*
2 * Check decoding of sync_file_range2 syscall.
3 *
4 * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 *    derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#include "tests.h"
31#include <fcntl.h>
32#include <asm/unistd.h>
33
34#if defined HAVE_SYNC_FILE_RANGE && defined  __NR_sync_file_range2
35
36# include <stdio.h>
37
38int
39main(void)
40{
41	const int fd = -1;
42	const off64_t offset = 0xdeadbeefbadc0ded;
43	const off64_t nbytes = 0xfacefeedcafef00d;
44	const unsigned int flags = -1;
45
46	int rc = sync_file_range(fd, offset, nbytes, flags);
47	printf("%s(%d, SYNC_FILE_RANGE_WAIT_BEFORE"
48	       "|SYNC_FILE_RANGE_WRITE|SYNC_FILE_RANGE_WAIT_AFTER"
49	       "|0xfffffff8, %lld, %lld) = %d %s (%m)\n",
50	       "sync_file_range2", fd,
51	       (long long) offset,
52	       (long long) nbytes,
53	       rc, errno2name());
54
55	puts("+++ exited with 0 +++");
56	return 0;
57}
58
59#else
60
61SKIP_MAIN_UNDEFINED("HAVE_SYNC_FILE_RANGE && __NR_sync_file_range2")
62
63#endif
64