Mercurial > sdl-ios-xcode
annotate src/thread/windows/SDL_systhread.c @ 5218:b1b0811a1ccc
merged
author | Eric Wing <ewing . public |-at-| gmail . com> |
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date | Sun, 06 Feb 2011 21:23:32 -0800 |
parents | c2539ff054c8 |
children | b530ef003506 |
rev | line source |
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0 | 1 /* |
2 SDL - Simple DirectMedia Layer | |
3697 | 3 Copyright (C) 1997-2010 Sam Lantinga |
0 | 4 |
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 |
0 | 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. |
0 | 9 |
10 This library is distributed in the hope that it will be useful, | |
11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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13 Lesser General Public License for more details. |
0 | 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 |
0 | 18 |
19 Sam Lantinga | |
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20 slouken@libsdl.org |
0 | 21 */ |
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22 #include "SDL_config.h" |
0 | 23 |
24 /* Win32 thread management routines for SDL */ | |
25 | |
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" |
0 | 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__ |
4426 | 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); |
1769 | 47 #elif defined(__WATCOMC__) |
48 /* This is for Watcom targets except OS2 */ | |
49 #if __WATCOMC__ < 1240 | |
50 #define __watcall | |
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; |
0 | 80 |
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81 static DWORD __stdcall |
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82 RunThread(void *data) |
0 | 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); |
0 | 99 } |
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) |
0 | 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 | 144 } |
145 | |
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146 void |
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147 SDL_SYS_SetupThread(void) |
0 | 148 { |
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149 return; |
0 | 150 } |
151 | |
3578 | 152 SDL_threadID |
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153 SDL_ThreadID(void) |
0 | 154 { |
3578 | 155 return ((SDL_threadID) GetCurrentThreadId()); |
0 | 156 } |
157 | |
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158 void |
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159 SDL_SYS_WaitThread(SDL_Thread * thread) |
0 | 160 { |
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161 WaitForSingleObject(thread->handle, INFINITE); |
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162 CloseHandle(thread->handle); |
0 | 163 } |
164 | |
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165 /* vi: set ts=4 sw=4 expandtab: */ |