1 /* 2 * Keypad client to access keypad servers. 3 * 4 * Copyright (C) 2018 Paul Boddie <paul@boddie.org.uk> 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License as 8 * published by the Free Software Foundation; either version 2 of 9 * the License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA 20 */ 21 22 #include <l4/cxx/ipc_stream> 23 #include <l4/re/env> 24 25 #include "keypad-client.h" 26 27 int 28 Keypad_device_interface::get_keypad_data(L4::Cap<L4Re::Dataspace> mem) throw() 29 { 30 L4::Ipc::Iostream s(l4_utcb()); 31 32 /* Send a "receive item" for requesting a capability. */ 33 34 s << L4::Ipc::Small_buf(mem); 35 36 return l4_error(s.call(cap(), Keypad_op_get_keypad_data)); 37 }