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annotate src/timer/dummy/SDL_systimer.c @ 1402:d910939febfa

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Use consistent identifiers for the various platforms we support. Make sure every source file includes SDL_config.h, so the proper system headers are chosen.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 21 Feb 2006 08:46:50 +0000
parents 19418e4422cb
children b2b476a4a73c
rev   line source
1361
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
1402
d910939febfa Use consistent identifiers for the various platforms we support.
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parents: 1361
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22 #include "SDL_config.h"
1361
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23
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24 void SDL_StartTicks(void)
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25 {
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26 }
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27
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28 Uint32 SDL_GetTicks (void)
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29 {
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30 SDL_Unsupported();
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31 return 0;
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32 }
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33
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34 void SDL_Delay (Uint32 ms)
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35 {
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36 SDL_Unsupported();
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37 }
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38
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39 #include "SDL_thread.h"
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40
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41 /* Data to handle a single periodic alarm */
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42 static int timer_alive = 0;
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43 static SDL_Thread *timer = NULL;
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44
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45 static int RunTimer(void *unused)
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46 {
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47 while ( timer_alive ) {
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48 if ( SDL_timer_running ) {
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49 SDL_ThreadedTimerCheck();
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50 }
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51 SDL_Delay(1);
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52 }
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53 return(0);
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54 }
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55
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56 /* This is only called if the event thread is not running */
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57 int SDL_SYS_TimerInit(void)
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58 {
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59 timer_alive = 1;
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60 timer = SDL_CreateThread(RunTimer, NULL);
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61 if ( timer == NULL )
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62 return(-1);
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63 return(SDL_SetTimerThreaded(1));
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64 }
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65
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66 void SDL_SYS_TimerQuit(void)
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67 {
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68 timer_alive = 0;
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69 if ( timer ) {
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70 SDL_WaitThread(timer, NULL);
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71 timer = NULL;
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72 }
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73 }
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74
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75 int SDL_SYS_StartTimer(void)
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76 {
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77 SDL_SetError("Internal logic error: threaded timer in use");
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78 return(-1);
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79 }
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80
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81 void SDL_SYS_StopTimer(void)
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82 {
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83 return;
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84 }