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annotate src/thread/dc/SDL_systhread.c @ 809:dba98fb391e7

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Date: Tue, 13 Jan 2004 19:25:37 +0300 From: Dmitry Yakimov Subject: [SDL] [PATCH] SDL bug patch Let me introduce 2 fixes to SDL. 1. Preventing great slowdown on fast machines while hardware flipping (it's obviously bug). 2. Setting up 85 Hz of monitor if supported. The reason is that Win98 by default sets lowest frequency 60 Hz. And we can't set up maximum frequency because some users can have wrong monitor drivers. This is important for shareware and commercial programs.
author Sam Lantinga <slouken@libsdl.org>
date Wed, 11 Feb 2004 16:10:16 +0000
parents b8d311d90021
children c9b51268668f
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1 /*
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2 SDL - Simple DirectMedia Layer
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b8d311d90021 Updated copyright information for 2004 (Happy New Year!)
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3 Copyright (C) 1997-2004 Sam Lantinga
509
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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 Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 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 Library 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 Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 BERO
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20 bero@geocities.co.jp
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21
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22 based on generic/SDL_thread.c
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23
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24 Sam Lantinga
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25 slouken@libsdl.org
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26 */
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27
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28 #ifdef SAVE_RCSID
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29 static char rcsid =
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30 "@(#) $Id$";
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31 #endif
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32
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33 /* Thread management routines for SDL */
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34
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35 #include "SDL_error.h"
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36 #include "SDL_thread.h"
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37 #include "SDL_systhread.h"
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38
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39 #include <kos/thread.h>
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40
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41 #ifdef DISABLE_THREADS
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42 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args)
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43 {
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44 SDL_SetError("Threads are not supported on this platform");
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45 return(-1);
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46 }
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47
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48 void SDL_SYS_SetupThread(void)
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49 {
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50 return;
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51 }
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52
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53 Uint32 SDL_ThreadID(void)
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54 {
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55 return(0);
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56 }
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57
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58 void SDL_SYS_WaitThread(SDL_Thread *thread)
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59 {
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60 return;
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61 }
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62
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63 void SDL_SYS_KillThread(SDL_Thread *thread)
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64 {
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65 return;
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66 }
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67
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68 #else
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69 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args)
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70 {
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71 thread->handle = thd_create(SDL_RunThread,args);
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72 if (thread->handle == NULL) {
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73 SDL_SetError("Not enough resources to create thread");
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74 return(-1);
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75 }
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76 return(0);
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77 }
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78
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79 void SDL_SYS_SetupThread(void)
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80 {
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81 return;
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82 }
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83
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84 Uint32 SDL_ThreadID(void)
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85 {
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86 return (Uint32)thd_get_current();
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87 }
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88
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89 void SDL_SYS_WaitThread(SDL_Thread *thread)
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90 {
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91 thd_wait(thread->handle);
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92 }
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93
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94 void SDL_SYS_KillThread(SDL_Thread *thread)
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95 {
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96 thd_destroy(thread->handle);
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97 }
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98 #endif