| /* This testcase is part of GDB, the GNU debugger. |
| |
| Copyright 2008-2016 Free Software Foundation, Inc. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| #define _GNU_SOURCE |
| #include <unistd.h> |
| #include <sys/uio.h> |
| |
| void |
| marker1 (void) |
| { |
| } |
| |
| void |
| marker2 (void) |
| { |
| } |
| |
| int fds[2] = { -1, -1 }; |
| char buf[5]; |
| const struct iovec v[4] = { |
| { &buf[1], 1 }, |
| { &buf[0], 1 }, |
| { &buf[3], 1 }, |
| { &buf[2], 1 }, |
| }; |
| |
| int |
| main (void) |
| { |
| marker1 (); |
| pipe (fds); |
| write (fds[1], "UNIX", 4); |
| readv (fds[0], v, 4); |
| marker2 (); |
| return 0; |
| } |