1
2 /* ScummVM - Graphic Adventure Engine
3 *
4 * ScummVM is the legal property of its developers, whose names
5 * are too numerous to list here. Please refer to the COPYRIGHT
6 * file distributed with this source distribution.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
21 *
22 */
23
24 #include "common/scummsys.h"
25
26 #if defined(SDL_BACKEND)
27
28 #include "backends/timer/sdl/sdl-timer.h"
29
30 #include "common/textconsole.h"
31
32 OSystem::MutexRef timerMutex;
33
timer_handler(Uint32 interval,void * param)34 static Uint32 timer_handler(Uint32 interval, void *param) {
35 Common::StackLock lock(timerMutex);
36
37 ((DefaultTimerManager *)param)->handler();
38 return interval;
39 }
40
SdlTimerManager()41 SdlTimerManager::SdlTimerManager() {
42 // Initializes the SDL timer subsystem
43 if (SDL_InitSubSystem(SDL_INIT_TIMER) == -1) {
44 error("Could not initialize SDL: %s", SDL_GetError());
45 }
46
47 // Creates the timer callback
48 _timerID = SDL_AddTimer(10, &timer_handler, this);
49 }
50
~SdlTimerManager()51 SdlTimerManager::~SdlTimerManager() {
52 Common::StackLock lock(timerMutex);
53
54 // Removes the timer callback
55 SDL_RemoveTimer(_timerID);
56
57 SDL_QuitSubSystem(SDL_INIT_TIMER);
58 }
59
60 #endif
61