annotate src/thread/amigaos/SDL_systhread.c @ 1102:f0919504adfd

Revert back change between 1.29 and 1.30
author Patrice Mandin <patmandin@gmail.com>
date Wed, 27 Jul 2005 16:30:12 +0000
parents b8d311d90021
children c9b51268668f
rev   line source
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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 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 /* BeOS thread management routines for SDL */
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29
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30 #include "SDL_error.h"
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31 #include "SDL_mutex.h"
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32 #include "SDL_thread.h"
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33 #include "SDL_thread_c.h"
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34 #include "SDL_systhread.h"
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35 #include "mydebug.h"
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36
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37 typedef struct {
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38 int (*func)(void *);
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39 void *data;
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40 SDL_Thread *info;
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41 struct Task *wait;
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42 } thread_args;
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43
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44 #ifndef MORPHOS
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45
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46 #if defined(__SASC) && !defined(__PPC__)
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47 __saveds __asm Uint32 RunThread(register __a0 char *args )
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48 #elif defined(__PPC__)
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49 Uint32 RunThread(char *args)
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50 #else
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51 Uint32 __saveds RunThread(char *args __asm("a0") )
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52 #endif
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53 {
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54 #ifdef STORMC4_WOS
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55 thread_args *data=(thread_args *)args;
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56 #else
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57 thread_args *data=(thread_args *)atol(args);
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58 #endif
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59
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60 struct Task *Father;
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61
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62 D(bug("Received data: %lx\n",data));
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63 Father=data->wait;
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64
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65 SDL_RunThread(data);
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66
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67 Signal(Father,SIGBREAKF_CTRL_F);
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68 D(bug("Thread with data %lx ended\n",data));
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69 return(0);
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70 }
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71
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72 #else
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73
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74 #include <emul/emulinterface.h>
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75
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76 Uint32 RunTheThread(void)
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77 {
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78 thread_args *data=(thread_args *)atol((char *)REG_A0);
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79 struct Task *Father;
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80
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81 D(bug("Received data: %lx\n",data));
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82 Father=data->wait;
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83
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84 SDL_RunThread(data);
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85
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86 Signal(Father,SIGBREAKF_CTRL_F);
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87 D(bug("Thread with data %lx ended\n",data));
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88 return(0);
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89 }
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90
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91 struct EmulLibEntry RunThreadStruct=
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92 {
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93 TRAP_LIB,
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94 0,
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95 (ULONG)RunTheThread
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96 };
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97
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98 void *RunThread=&RunThreadStruct;
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99 #endif
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100
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101
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102 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args)
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103 {
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104 /* Create the thread and go! */
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105 char buffer[20];
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106
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107 D(bug("Sending %lx to the new thread...\n",args));
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108
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109 if(args)
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110 sprintf(buffer,"%ld",args);
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111
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112 #ifdef STORMC4_WOS
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113 thread->handle=CreateTaskPPCTags(TASKATTR_CODE, RunThread,
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114 TASKATTR_NAME, "SDL subtask",
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115 TASKATTR_STACKSIZE, 100000,
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116 (args ? TASKATTR_R3 : TAG_IGNORE), args,
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117 TASKATTR_INHERITR2, TRUE,
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118 TAG_DONE);
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119 #else
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120 thread->handle=(struct Task *)CreateNewProcTags(NP_Output,Output(),
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121 NP_Name,(ULONG)"SDL subtask",
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122 NP_CloseOutput, FALSE,
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123 NP_StackSize,20000,
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124 NP_Entry,(ULONG)RunThread,
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125 args ? NP_Arguments : TAG_IGNORE,(ULONG)buffer,
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126 TAG_DONE);
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127 #endif
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128
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129 if(!thread->handle)
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130 {
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131 SDL_SetError("Not enough resources to create thread");
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132 return(-1);
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133 }
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134
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135 return(0);
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136 }
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137
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138 void SDL_SYS_SetupThread(void)
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139 {
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140 }
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141
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142 Uint32 SDL_ThreadID(void)
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143 {
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144 return((Uint32)FindTask(NULL));
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145 }
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146
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147 void SDL_SYS_WaitThread(SDL_Thread *thread)
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148 {
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149 SetSignal(0L,SIGBREAKF_CTRL_F|SIGBREAKF_CTRL_C);
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150 Wait(SIGBREAKF_CTRL_F|SIGBREAKF_CTRL_C);
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151 }
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152
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153 void SDL_SYS_KillThread(SDL_Thread *thread)
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154 {
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155 Signal((struct Task *)thread->handle,SIGBREAKF_CTRL_C);
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156 }