2 * This file is part of copy_file_range strace test.
4 * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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.
31 #include <sys/syscall.h>
33 #if defined __NR_copy_file_range
41 const long int fd_in = (long int) 0xdeadbeefffffffff;
42 const long int fd_out = (long int) 0xdeadbeeffffffffe;
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 = 0xdeadbef1facefed1;
46 *off_out = 0xdeadbef2facefed2;
47 const size_t len = (size_t) 0xdeadbef3facefed3ULL;
48 const unsigned int flags = 0;
50 long rc = syscall(__NR_copy_file_range,
51 fd_in, off_in, fd_out, off_out, len, flags);
52 printf("copy_file_range(%d, [%lld], %d, [%lld], %zu, %u)"
54 (int) fd_in, *off_in, (int) fd_out, *off_out, len, flags,
57 puts("+++ exited with 0 +++");
63 SKIP_MAIN_UNDEFINED("__NR_copy_file_range")