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4 >SDL_CreateMutex</TITLE |
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70 WIDTH="100%"></DIV |
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71 ><H1 |
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72 ><A |
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73 NAME="SDLCREATEMUTEX" |
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74 ></A |
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75 >SDL_CreateMutex</H1 |
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76 ><DIV |
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77 CLASS="REFNAMEDIV" |
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78 ><A |
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79 NAME="AEN7820" |
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80 ></A |
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81 ><H2 |
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82 >Name</H2 |
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83 >SDL_CreateMutex -- Create a mutex</DIV |
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84 ><DIV |
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85 CLASS="REFSYNOPSISDIV" |
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86 ><A |
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87 NAME="AEN7823" |
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88 ></A |
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89 ><H2 |
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90 >Synopsis</H2 |
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91 ><DIV |
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92 CLASS="FUNCSYNOPSIS" |
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94 NAME="AEN7824" |
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95 ></A |
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96 ><P |
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97 ></P |
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98 ><PRE |
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99 CLASS="FUNCSYNOPSISINFO" |
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100 >#include "SDL.h" |
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101 #include "SDL_thread.h"</PRE |
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102 ><P |
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103 ><CODE |
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104 ><CODE |
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105 CLASS="FUNCDEF" |
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106 >SDL_mutex *<B |
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107 CLASS="FSFUNC" |
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108 >SDL_CreateMutex</B |
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109 ></CODE |
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110 >(void);</CODE |
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111 ></P |
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112 ><P |
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113 ></P |
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118 ><A |
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119 NAME="AEN7830" |
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120 ></A |
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121 ><H2 |
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122 >Description</H2 |
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123 ><P |
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124 >Create a new, unlocked mutex.</P |
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125 ></DIV |
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126 ><DIV |
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127 CLASS="REFSECT1" |
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128 ><A |
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129 NAME="AEN7833" |
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130 ></A |
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131 ><H2 |
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132 >Examples</H2 |
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133 ><PRE |
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134 CLASS="PROGRAMLISTING" |
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135 >SDL_mutex *mut; |
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136 |
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137 mut=SDL_CreateMutex(); |
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138 . |
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139 . |
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140 if(SDL_mutexP(mut)==-1){ |
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141 fprintf(stderr, "Couldn't lock mutex\n"); |
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142 exit(-1); |
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143 } |
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144 . |
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145 /* Do stuff while mutex is locked */ |
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146 . |
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147 . |
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148 if(SDL_mutexV(mut)==-1){ |
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149 fprintf(stderr, "Couldn't unlock mutex\n"); |
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150 exit(-1); |
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151 } |
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152 |
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153 SDL_DestroyMutex(mut); </PRE |
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154 ></DIV |
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156 CLASS="REFSECT1" |
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157 ><A |
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158 NAME="AEN7836" |
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159 ></A |
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160 ><H2 |
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161 >See Also</H2 |
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162 ><P |
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163 ><A |
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164 HREF="sdlmutexp.html" |
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165 ><TT |
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166 CLASS="FUNCTION" |
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167 >SDL_mutexP</TT |
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168 ></A |
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169 >, |
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170 <A |
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171 HREF="sdlmutexv.html" |
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172 ><TT |
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173 CLASS="FUNCTION" |
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174 >SDL_mutexV</TT |
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175 ></A |
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176 >, |
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177 <A |
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178 HREF="sdldestroymutex.html" |
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179 ><TT |
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180 CLASS="FUNCTION" |
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181 >SDL_DestroyMutex</TT |
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182 ></A |
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