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1 /*
2  * Check decoding of fadvise64 syscall.
3  *
4  * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
5  * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. The name of the author may not be used to endorse or promote products
17  *    derived from this software without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #include "tests.h"
32 
33 #include <asm/unistd.h>
34 
35 #ifdef __NR_fadvise64
36 
37 # include "fadvise.h"
38 
39 static void
do_fadvise(long fd,long long offset,long long llen,long advice)40 do_fadvise(long fd, long long offset, long long llen, long advice)
41 {
42 	long ret;
43 	const char *errstr;
44 
45 # if (LONG_MAX > INT_MAX) \
46   || (defined __x86_64__ && defined __ILP32__) \
47   || defined LINUX_MIPSN32
48 	ret = syscall(__NR_fadvise64, fd, offset, llen, advice);
49 	errstr = sprintrc(ret);
50 	printf("fadvise64(%d, %lld, %llu, ", (int) fd, offset, llen);
51 # elif defined LINUX_MIPSO32
52 	ret = syscall(__NR_fadvise64, fd, 0,
53 		      LL_VAL_TO_PAIR(offset), LL_VAL_TO_PAIR(llen), advice);
54 	errstr = sprintrc(ret);
55 	printf("fadvise64(%d, %lld, %lld, ", (int) fd, offset, llen);
56 # else /* LONG_MAX == INT_MAX && !X32 && !LINUX_MIPSN32 */
57 	long len = (long) llen;
58 #  if defined POWERPC
59 	ret = syscall(__NR_fadvise64, fd, 0,
60 		      LL_VAL_TO_PAIR(offset), len, advice);
61 #  else
62 	ret = syscall(__NR_fadvise64, fd,
63 		      LL_VAL_TO_PAIR(offset), len, advice);
64 #  endif
65 	errstr = sprintrc(ret);
66 	printf("fadvise64(%d, %lld, %lu, ", (int) fd, offset, len);
67 # endif /* LONG_MAX == INT_MAX && !X32 && !LINUX_MIPSN32 */
68 	printxval(advise, (unsigned) advice, "POSIX_FADV_???");
69 	printf(") = %s\n", errstr);
70 }
71 
72 #else
73 
74 SKIP_MAIN_UNDEFINED("__NR_fadvise64");
75 
76 #endif
77