| /* |
| * Check decoding of pipe2 syscall. |
| * |
| * Copyright (c) 2015-2017 Dmitry V. Levin <ldv@altlinux.org> |
| * 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> |
| |
| #ifdef __NR_pipe2 |
| |
| # include <fcntl.h> |
| # include <stdio.h> |
| # include <unistd.h> |
| |
| int |
| main(void) |
| { |
| int *const fds = tail_alloc(sizeof(*fds) * 2); |
| int *const efault = fds + 1; |
| long rc; |
| |
| rc = syscall(__NR_pipe2, fds, F8ILL_KULONG_MASK | O_NONBLOCK); |
| if (rc) |
| perror_msg_and_skip("pipe2"); |
| printf("pipe2([%d, %d], O_NONBLOCK) = 0\n", fds[0], fds[1]); |
| |
| rc = syscall(__NR_pipe2, efault, F8ILL_KULONG_MASK); |
| printf("pipe2(%p, 0) = %s\n", efault, sprintrc(rc)); |
| |
| if (F8ILL_KULONG_SUPPORTED) { |
| const kernel_ulong_t ill = f8ill_ptr_to_kulong(fds); |
| rc = syscall(__NR_pipe2, ill, 0); |
| printf("pipe2(%#llx, 0) = %s\n", |
| (unsigned long long) ill, sprintrc(rc)); |
| } |
| |
| puts("+++ exited with 0 +++"); |
| return 0; |
| } |
| |
| #else |
| |
| SKIP_MAIN_UNDEFINED("__NR_pipe2") |
| |
| #endif |