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1 /*
2  * Check decoding of sync_file_range 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_range
35 
36 # include <stdio.h>
37 
38 int
main(void)39 main(void)
40 {
41 	const int fd = -1;
42 	const off64_t offset = 0xdeadbeefbadc0dedULL;
43 	const off64_t nbytes = 0xfacefeedcafef00dULL;
44 	const unsigned int flags = -1;
45 
46 	int rc = sync_file_range(fd, offset, nbytes, flags);
47 	printf("%s(%d, %lld, %lld, SYNC_FILE_RANGE_WAIT_BEFORE"
48 	       "|SYNC_FILE_RANGE_WRITE|SYNC_FILE_RANGE_WAIT_AFTER"
49 	       "|0xfffffff8) = %d %s (%m)\n",
50 	       "sync_file_range", 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 
61 SKIP_MAIN_UNDEFINED("HAVE_SYNC_FILE_RANGE && __NR_sync_file_range")
62 
63 #endif
64