/* * This file is part of splice strace test. * * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org> * Copyright (c) 2016-2017 The strace developers. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "tests.h" #include <asm/unistd.h> #if defined __NR_splice # include <stdio.h> # include <unistd.h> int main(void) { const long int fd_in = (long int) 0xdeadbeefffffffffULL; const long int fd_out = (long int) 0xdeadbeeffffffffeULL; TAIL_ALLOC_OBJECT_CONST_PTR(long long int, off_in); TAIL_ALLOC_OBJECT_CONST_PTR(long long int, off_out); *off_in = 0xdeadbef1facefed1ULL; *off_out = 0xdeadbef2facefed2ULL; const size_t len = (size_t) 0xdeadbef3facefed3ULL; const unsigned int flags = 15; long rc = syscall(__NR_splice, fd_in, off_in, fd_out, off_out, len, flags); printf("splice(%d, [%lld], %d, [%lld], %zu, %s) = %ld %s (%m)\n", (int) fd_in, *off_in, (int) fd_out, *off_out, len, "SPLICE_F_MOVE|SPLICE_F_NONBLOCK|SPLICE_F_MORE|SPLICE_F_GIFT", rc, errno2name()); puts("+++ exited with 0 +++"); return 0; } #else SKIP_MAIN_UNDEFINED("__NR_splice") #endif