paul@153 | 1 | /* |
paul@153 | 2 | * Input event loop functionality. |
paul@153 | 3 | * |
paul@153 | 4 | * Copyright (C) 2018 Paul Boddie <paul@boddie.org.uk> |
paul@153 | 5 | * |
paul@153 | 6 | * This program is free software; you can redistribute it and/or |
paul@153 | 7 | * modify it under the terms of the GNU General Public License as |
paul@153 | 8 | * published by the Free Software Foundation; either version 2 of |
paul@153 | 9 | * the License, or (at your option) any later version. |
paul@153 | 10 | * |
paul@153 | 11 | * This program is distributed in the hope that it will be useful, |
paul@153 | 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
paul@153 | 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
paul@153 | 14 | * GNU General Public License for more details. |
paul@153 | 15 | * |
paul@153 | 16 | * You should have received a copy of the GNU General Public License |
paul@153 | 17 | * along with this program; if not, write to the Free Software |
paul@153 | 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, |
paul@153 | 19 | * Boston, MA 02110-1301, USA |
paul@153 | 20 | */ |
paul@153 | 21 | |
paul@153 | 22 | #include "input-event-loop.h" |
paul@153 | 23 | |
paul@153 | 24 | #include <l4/re/event> |
paul@153 | 25 | |
paul@153 | 26 | /* Handler for incoming interrupts signalling the presence of events. */ |
paul@153 | 27 | |
paul@153 | 28 | void |
paul@153 | 29 | Input_event_loop::handle() |
paul@153 | 30 | { |
paul@153 | 31 | Event_type *event; |
paul@153 | 32 | |
paul@153 | 33 | if (!l4_error(_irq->receive())) |
paul@153 | 34 | { |
paul@153 | 35 | while ((event = _event_buffer.next())) |
paul@153 | 36 | { |
paul@153 | 37 | _handler(*event); |
paul@153 | 38 | event->free(); |
paul@153 | 39 | } |
paul@153 | 40 | } |
paul@153 | 41 | } |
paul@153 | 42 | |
paul@153 | 43 | /* Event loop initiation. */ |
paul@153 | 44 | |
paul@153 | 45 | void |
paul@153 | 46 | Input_event_loop::start(l4_umword_t label) |
paul@153 | 47 | { |
paul@153 | 48 | Event_loop::start(); |
paul@153 | 49 | |
paul@153 | 50 | _irq->bind_thread(Pthread::L4::cap(_pthread), label); |
paul@153 | 51 | } |