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annotate src/thread/windows/SDL_systhread.c @ 5091:79bd1e289005

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Fixed bug #1102 Check /usr/local/bin for hg before sourcing the user's bash settings
author Sam Lantinga <slouken@libsdl.org>
date Mon, 24 Jan 2011 17:47:18 -0800
parents c2539ff054c8
children b530ef003506
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2010 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 */
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22 #include "SDL_config.h"
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23
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24 /* Win32 thread management routines for SDL */
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25
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26 #include "SDL_thread.h"
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27 #include "../SDL_thread_c.h"
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28 #include "../SDL_systhread.h"
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29 #include "SDL_systhread_c.h"
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30
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31 #ifndef SDL_PASSED_BEGINTHREAD_ENDTHREAD
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32 #ifndef _WIN32_WCE
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33 /* We'll use the C library from this DLL */
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34 #include <process.h>
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35 #endif
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36
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37 #if __GNUC__
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38 typedef uintptr_t (__cdecl * pfnSDL_CurrentBeginThread) (void *, unsigned,
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39 unsigned
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40 (__stdcall *
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41 func) (void *),
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42 void *arg,
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43 unsigned,
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44 unsigned
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45 *threadID);
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46 typedef void (__cdecl * pfnSDL_CurrentEndThread) (unsigned code);
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47 #elif defined(__WATCOMC__)
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48 /* This is for Watcom targets except OS2 */
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49 #if __WATCOMC__ < 1240
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50 #define __watcall
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51 #endif
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52 typedef unsigned long (__watcall * pfnSDL_CurrentBeginThread) (void *,
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53 unsigned,
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54 unsigned
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55 (__stdcall *
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56 func) (void
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57 *),
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58 void *arg,
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59 unsigned,
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60 unsigned
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61 *threadID);
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62 typedef void (__watcall * pfnSDL_CurrentEndThread) (unsigned code);
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63 #else
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64 typedef uintptr_t(__cdecl * pfnSDL_CurrentBeginThread) (void *, unsigned,
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65 unsigned (__stdcall *
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66 func) (void
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67 *),
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68 void *arg, unsigned,
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69 unsigned *threadID);
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70 typedef void (__cdecl * pfnSDL_CurrentEndThread) (unsigned code);
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71 #endif
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72 #endif /* !SDL_PASSED_BEGINTHREAD_ENDTHREAD */
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73
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74
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75 typedef struct ThreadStartParms
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76 {
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77 void *args;
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78 pfnSDL_CurrentEndThread pfnCurrentEndThread;
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79 } tThreadStartParms, *pThreadStartParms;
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80
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81 static DWORD __stdcall
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82 RunThread(void *data)
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83 {
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84 pThreadStartParms pThreadParms = (pThreadStartParms) data;
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85 pfnSDL_CurrentEndThread pfnCurrentEndThread = NULL;
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86
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87 // Call the thread function!
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88 SDL_RunThread(pThreadParms->args);
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89
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90 // Get the current endthread we have to use!
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91 if (pThreadParms) {
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92 pfnCurrentEndThread = pThreadParms->pfnCurrentEndThread;
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93 SDL_free(pThreadParms);
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94 }
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95 // Call endthread!
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96 if (pfnCurrentEndThread)
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97 (*pfnCurrentEndThread) (0);
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98 return (0);
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99 }
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100
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101 #ifdef SDL_PASSED_BEGINTHREAD_ENDTHREAD
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102 int
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103 SDL_SYS_CreateThread(SDL_Thread * thread, void *args,
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104 pfnSDL_CurrentBeginThread pfnBeginThread,
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105 pfnSDL_CurrentEndThread pfnEndThread)
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106 {
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107 #else
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108 int
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109 SDL_SYS_CreateThread(SDL_Thread * thread, void *args)
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110 {
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111 #ifdef _WIN32_WCE
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112 pfnSDL_CurrentBeginThread pfnBeginThread = NULL;
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113 pfnSDL_CurrentEndThread pfnEndThread = NULL;
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114 #else
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115 pfnSDL_CurrentBeginThread pfnBeginThread = _beginthreadex;
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116 pfnSDL_CurrentEndThread pfnEndThread = _endthreadex;
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117 #endif
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118 #endif /* SDL_PASSED_BEGINTHREAD_ENDTHREAD */
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119 unsigned threadid;
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120 pThreadStartParms pThreadParms =
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121 (pThreadStartParms) SDL_malloc(sizeof(tThreadStartParms));
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122 if (!pThreadParms) {
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123 SDL_OutOfMemory();
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124 return (-1);
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125 }
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126 // Save the function which we will have to call to clear the RTL of calling app!
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127 pThreadParms->pfnCurrentEndThread = pfnEndThread;
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128 // Also save the real parameters we have to pass to thread function
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129 pThreadParms->args = args;
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130
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131 if (pfnBeginThread) {
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132 thread->handle =
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133 (SYS_ThreadHandle) pfnBeginThread(NULL, 0, RunThread,
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134 pThreadParms, 0, &threadid);
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135 } else {
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136 thread->handle =
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137 CreateThread(NULL, 0, RunThread, pThreadParms, 0, &threadid);
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138 }
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139 if (thread->handle == NULL) {
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140 SDL_SetError("Not enough resources to create thread");
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141 return (-1);
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142 }
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143 return (0);
0
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144 }
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145
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146 void
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147 SDL_SYS_SetupThread(void)
0
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148 {
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149 return;
0
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150 }
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151
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152 SDL_threadID
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153 SDL_ThreadID(void)
0
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154 {
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155 return ((SDL_threadID) GetCurrentThreadId());
0
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156 }
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157
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158 void
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159 SDL_SYS_WaitThread(SDL_Thread * thread)
0
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160 {
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161 WaitForSingleObject(thread->handle, INFINITE);
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162 CloseHandle(thread->handle);
0
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163 }
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164
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165 /* vi: set ts=4 sw=4 expandtab: */