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annotate src/thread/riscos/SDL_systhread.c @ 1302:94643e9bad18

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Date: Sat, 14 Jan 2006 15:16:01 -0500 From: Andrew Fuller Subject: [SDL] [PATCH] ML-8866 PS2->USB converter This converter seems to go by several names -- Super Dual Box, Dual USB Joypad, and who knows what else. Also branded differently with different colour cases, etc. But it seems to all be the same internals. It is a common converter used for StepMania, with several posts Googleable trying to make it work in Linux. I got mine yesterday and wanted to play stepmania, so I went ahead and made a crude patch for libsdl to split this baby into two logical joysticks. A couple notes about the patch: This patch works well for two dance mats hooked up and playing stepmania, however the mapping of the other buttons may be off. I have no joystick which uses all the buttons the converter reports, so I have no way of testing them. The name I used 0925:8866 which is the USB ID, and what SDLjoytest-GL reported is the name, even though lsusb shows Wisegroup, Ltd MP-8866 Dual USB Joypad, and the existing virtual joystick mapping uses the Wisegroup... name. Not sure why the discrepency. I'm not subscribed to this mailing list, so please CC me on any comments to this. -Andrew
author Sam Lantinga <slouken@libsdl.org>
date Tue, 31 Jan 2006 14:59:43 +0000
parents d74fbf56f2f6
children c9b51268668f
rev   line source
955
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Sam Lantinga <slouken@libsdl.org>
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 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 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 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 /* RISC OS version based on pthreads linux source */
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24
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25 #ifdef SAVE_RCSID
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26 static char rcsid =
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27 "@(#) $Id$";
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28 #endif
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29
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30 #include "SDL_error.h"
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31 #include "SDL_thread.h"
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32 #include "SDL_systhread.h"
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33
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34 #ifdef DISABLE_THREADS
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35
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36 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args)
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37 {
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38 SDL_SetError("Threads have not been compiled into this version of the library");
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39 return(-1);
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40 }
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41
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42 void SDL_SYS_SetupThread(void)
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43 {
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44 return;
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45 }
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46
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47 Uint32 SDL_ThreadID(void)
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48 {
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49 return(0);
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50 }
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51
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52 void SDL_SYS_WaitThread(SDL_Thread *thread)
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53 {
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54 return;
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55 }
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56
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57 void SDL_SYS_KillThread(SDL_Thread *thread)
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58 {
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59 return;
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60 }
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61
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62 #else
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63
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64 #include <signal.h>
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65
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66 /* List of signals to mask in the subthreads */
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67 static int sig_list[] = {
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68 SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGCHLD, SIGWINCH,
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69 SIGVTALRM, SIGPROF, 0
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70 };
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71
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72 #include <pthread.h>
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73
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74 int riscos_using_threads = 0;
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75 Uint32 riscos_main_thread = 0; /* Thread running events */
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76
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77 static void *RunThread(void *data)
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78 {
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79 SDL_RunThread(data);
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80 pthread_exit((void*)0);
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81 return((void *)0); /* Prevent compiler warning */
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82 }
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83
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84 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args)
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85 {
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86 pthread_attr_t type;
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87
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88 /* Set the thread attributes */
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89 if ( pthread_attr_init(&type) != 0 ) {
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90 SDL_SetError("Couldn't initialize pthread attributes");
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91 return(-1);
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92 }
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93 pthread_attr_setdetachstate(&type, PTHREAD_CREATE_JOINABLE);
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94
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95 /* Create the thread and go! */
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96 if ( pthread_create(&thread->handle, &type, RunThread, args) != 0 ) {
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97 SDL_SetError("Not enough resources to create thread");
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98 return(-1);
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99 }
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100
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101 if (riscos_using_threads == 0)
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102 {
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103 riscos_using_threads = 1;
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104 riscos_main_thread = SDL_ThreadID();
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105 }
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106
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107 return(0);
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108 }
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109
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110 void SDL_SYS_SetupThread(void)
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111 {
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112 int i;
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113 sigset_t mask;
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114
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115 /* Mask asynchronous signals for this thread */
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116 sigemptyset(&mask);
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117 for ( i=0; sig_list[i]; ++i ) {
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118 sigaddset(&mask, sig_list[i]);
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119 }
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120 pthread_sigmask(SIG_BLOCK, &mask, 0);
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121
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122 #ifdef PTHREAD_CANCEL_ASYNCHRONOUS
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123 /* Allow ourselves to be asynchronously cancelled */
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124 { int oldstate;
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125 pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &oldstate);
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126 }
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127 #endif
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128 }
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129
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130 Uint32 SDL_ThreadID(void)
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131 {
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132 return((Uint32)pthread_self());
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133 }
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134
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135 void SDL_SYS_WaitThread(SDL_Thread *thread)
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136 {
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137 pthread_join(thread->handle, 0);
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138 }
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139
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140 void SDL_SYS_KillThread(SDL_Thread *thread)
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141 {
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142 #ifdef PTHREAD_CANCEL_ASYNCHRONOUS
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143 pthread_cancel(thread->handle);
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144 #else
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145 pthread_kill(thread->handle, SIGKILL);
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146 #endif
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147 }
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148
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149 #endif