| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997-2006 Sam Lantinga |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| This library 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with this library; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| |
| Sam Lantinga |
| slouken@libsdl.org |
| */ |
| #include "SDL_config.h" |
| |
| #if defined(SDL_TIMER_DUMMY) || defined(SDL_TIMERS_DISABLED) |
| |
| #include "SDL_timer.h" |
| #include "../SDL_timer_c.h" |
| |
| void |
| SDL_StartTicks(void) |
| { |
| } |
| |
| Uint32 |
| SDL_GetTicks(void) |
| { |
| SDL_Unsupported(); |
| return 0; |
| } |
| |
| void |
| SDL_Delay(Uint32 ms) |
| { |
| SDL_Unsupported(); |
| } |
| |
| #include "SDL_thread.h" |
| |
| /* Data to handle a single periodic alarm */ |
| static int timer_alive = 0; |
| static SDL_Thread *timer = NULL; |
| |
| static int |
| RunTimer(void *unused) |
| { |
| while (timer_alive) { |
| if (SDL_timer_running) { |
| SDL_ThreadedTimerCheck(); |
| } |
| SDL_Delay(1); |
| } |
| return (0); |
| } |
| |
| /* This is only called if the event thread is not running */ |
| int |
| SDL_SYS_TimerInit(void) |
| { |
| timer_alive = 1; |
| timer = SDL_CreateThread(RunTimer, NULL); |
| if (timer == NULL) |
| return (-1); |
| return (SDL_SetTimerThreaded(1)); |
| } |
| |
| void |
| SDL_SYS_TimerQuit(void) |
| { |
| timer_alive = 0; |
| if (timer) { |
| SDL_WaitThread(timer, NULL); |
| timer = NULL; |
| } |
| } |
| |
| int |
| SDL_SYS_StartTimer(void) |
| { |
| SDL_SetError("Internal logic error: threaded timer in use"); |
| return (-1); |
| } |
| |
| void |
| SDL_SYS_StopTimer(void) |
| { |
| return; |
| } |
| |
| #endif /* SDL_TIMER_DUMMY || SDL_TIMERS_DISABLED */ |
| /* vi: set ts=4 sw=4 expandtab: */ |