1 /* 2 * This file is part of splice 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 34 #if defined __NR_splice 35 36 # include <stdio.h> 37 # include <unistd.h> 38 39 int 40 main(void) 41 { 42 const long int fd_in = (long int) 0xdeadbeefffffffffULL; 43 const long int fd_out = (long int) 0xdeadbeeffffffffeULL; 44 TAIL_ALLOC_OBJECT_CONST_PTR(long long int, off_in); 45 TAIL_ALLOC_OBJECT_CONST_PTR(long long int, off_out); 46 *off_in = 0xdeadbef1facefed1ULL; 47 *off_out = 0xdeadbef2facefed2ULL; 48 const size_t len = (size_t) 0xdeadbef3facefed3ULL; 49 const unsigned int flags = 15; 50 51 long rc = syscall(__NR_splice, 52 fd_in, off_in, fd_out, off_out, len, flags); 53 printf("splice(%d, [%lld], %d, [%lld], %zu, %s) = %ld %s (%m)\n", 54 (int) fd_in, *off_in, (int) fd_out, *off_out, len, 55 "SPLICE_F_MOVE|SPLICE_F_NONBLOCK|SPLICE_F_MORE|SPLICE_F_GIFT", 56 rc, errno2name()); 57 58 puts("+++ exited with 0 +++"); 59 return 0; 60 } 61 62 #else 63 64 SKIP_MAIN_UNDEFINED("__NR_splice") 65 66 #endif 67
