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