1 /* 2 * This file is part of copy_file_range strace test. 3 * 4 * Copyright (c) 2016 Dmitry V. Levin <ldv (at) altlinux.org> 5 * Copyright (c) 2016-2017 The strace developers. 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 #include <asm/unistd.h> 33 #include "scno.h" 34 35 #if defined __NR_copy_file_range 36 37 # include <stdio.h> 38 # include <unistd.h> 39 40 int 41 main(void) 42 { 43 const long int fd_in = (long int) 0xdeadbeefffffffff; 44 const long int fd_out = (long int) 0xdeadbeeffffffffe; 45 TAIL_ALLOC_OBJECT_CONST_PTR(long long int, off_in); 46 TAIL_ALLOC_OBJECT_CONST_PTR(long long int, off_out); 47 *off_in = 0xdeadbef1facefed1; 48 *off_out = 0xdeadbef2facefed2; 49 const size_t len = (size_t) 0xdeadbef3facefed3ULL; 50 const unsigned int flags = 0; 51 52 long rc = syscall(__NR_copy_file_range, 53 fd_in, off_in, fd_out, off_out, len, flags); 54 printf("copy_file_range(%d, [%lld], %d, [%lld], %zu, %u)" 55 " = %ld %s (%m)\n", 56 (int) fd_in, *off_in, (int) fd_out, *off_out, len, flags, 57 rc, errno2name()); 58 59 puts("+++ exited with 0 +++"); 60 return 0; 61 } 62 63 #else 64 65 SKIP_MAIN_UNDEFINED("__NR_copy_file_range") 66 67 #endif 68
