1 /*
2 * This file is part of splice strace test.
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 <asm/unistd.h>
32
33 #if defined __NR_splice
34
35 # include <stdio.h>
36 # include <unistd.h>
37
38 int
main(void)39 main(void)
40 {
41 const long int fd_in = (long int) 0xdeadbeefffffffffULL;
42 const long int fd_out = (long int) 0xdeadbeeffffffffeULL;
43 long long int *const off_in = tail_alloc(sizeof(*off_in));
44 long long int *const off_out = tail_alloc(sizeof(*off_out));
45 *off_in = 0xdeadbef1facefed1ULL;
46 *off_out = 0xdeadbef2facefed2ULL;
47 const size_t len = (size_t) 0xdeadbef3facefed3ULL;
48 const unsigned int flags = 15;
49
50 long rc = syscall(__NR_splice,
51 fd_in, off_in, fd_out, off_out, len, flags);
52 printf("splice(%d, [%lld], %d, [%lld], %zu, %s) = %ld %s (%m)\n",
53 (int) fd_in, *off_in, (int) fd_out, *off_out, len,
54 "SPLICE_F_MOVE|SPLICE_F_NONBLOCK|SPLICE_F_MORE|SPLICE_F_GIFT",
55 rc, errno2name());
56
57 puts("+++ exited with 0 +++");
58 return 0;
59 }
60
61 #else
62
63 SKIP_MAIN_UNDEFINED("__NR_splice")
64
65 #endif
66