Mercurial > sdl-ios-xcode
annotate docs/html/sdlcreatemutex.html @ 4159:a1b03ba2fcd0 SDL-1.2
Updated copyright date
author | Sam Lantinga <slouken@libsdl.org> |
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date | Mon, 08 Dec 2008 00:25:42 +0000 |
parents | 355632dca928 |
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rev | line source |
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0 | 1 <HTML |
2 ><HEAD | |
3 ><TITLE | |
4 >SDL_CreateMutex</TITLE | |
5 ><META | |
6 NAME="GENERATOR" | |
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ |
0 | 8 "><LINK |
9 REL="HOME" | |
10 TITLE="SDL Library Documentation" | |
11 HREF="index.html"><LINK | |
12 REL="UP" | |
13 TITLE="Multi-threaded Programming" | |
14 HREF="thread.html"><LINK | |
15 REL="PREVIOUS" | |
16 TITLE="SDL_KillThread" | |
17 HREF="sdlkillthread.html"><LINK | |
18 REL="NEXT" | |
19 TITLE="SDL_DestroyMutex" | |
20 HREF="sdldestroymutex.html"></HEAD | |
21 ><BODY | |
22 CLASS="REFENTRY" | |
23 BGCOLOR="#FFF8DC" | |
24 TEXT="#000000" | |
25 LINK="#0000ee" | |
26 VLINK="#551a8b" | |
27 ALINK="#ff0000" | |
28 ><DIV | |
29 CLASS="NAVHEADER" | |
30 ><TABLE | |
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31 SUMMARY="Header navigation table" |
0 | 32 WIDTH="100%" |
33 BORDER="0" | |
34 CELLPADDING="0" | |
35 CELLSPACING="0" | |
36 ><TR | |
37 ><TH | |
38 COLSPAN="3" | |
39 ALIGN="center" | |
40 >SDL Library Documentation</TH | |
41 ></TR | |
42 ><TR | |
43 ><TD | |
44 WIDTH="10%" | |
45 ALIGN="left" | |
46 VALIGN="bottom" | |
47 ><A | |
48 HREF="sdlkillthread.html" | |
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49 ACCESSKEY="P" |
0 | 50 >Prev</A |
51 ></TD | |
52 ><TD | |
53 WIDTH="80%" | |
54 ALIGN="center" | |
55 VALIGN="bottom" | |
56 ></TD | |
57 ><TD | |
58 WIDTH="10%" | |
59 ALIGN="right" | |
60 VALIGN="bottom" | |
61 ><A | |
62 HREF="sdldestroymutex.html" | |
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63 ACCESSKEY="N" |
0 | 64 >Next</A |
65 ></TD | |
66 ></TR | |
67 ></TABLE | |
68 ><HR | |
69 ALIGN="LEFT" | |
70 WIDTH="100%"></DIV | |
71 ><H1 | |
72 ><A | |
73 NAME="SDLCREATEMUTEX" | |
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74 ></A |
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75 >SDL_CreateMutex</H1 |
0 | 76 ><DIV |
77 CLASS="REFNAMEDIV" | |
78 ><A | |
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79 NAME="AEN7820" |
0 | 80 ></A |
81 ><H2 | |
82 >Name</H2 | |
83 >SDL_CreateMutex -- Create a mutex</DIV | |
84 ><DIV | |
85 CLASS="REFSYNOPSISDIV" | |
86 ><A | |
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87 NAME="AEN7823" |
0 | 88 ></A |
89 ><H2 | |
90 >Synopsis</H2 | |
91 ><DIV | |
92 CLASS="FUNCSYNOPSIS" | |
93 ><A | |
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94 NAME="AEN7824" |
0 | 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 | |
114 ></DIV | |
115 ></DIV | |
116 ><DIV | |
117 CLASS="REFSECT1" | |
118 ><A | |
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119 NAME="AEN7830" |
0 | 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 | |
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129 NAME="AEN7833" |
0 | 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 | |
154 ></DIV | |
155 ><DIV | |
156 CLASS="REFSECT1" | |
157 ><A | |
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158 NAME="AEN7836" |
0 | 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 | |
182 ></A | |
183 ></P | |
184 ></DIV | |
185 ><DIV | |
186 CLASS="NAVFOOTER" | |
187 ><HR | |
188 ALIGN="LEFT" | |
189 WIDTH="100%"><TABLE | |
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190 SUMMARY="Footer navigation table" |
0 | 191 WIDTH="100%" |
192 BORDER="0" | |
193 CELLPADDING="0" | |
194 CELLSPACING="0" | |
195 ><TR | |
196 ><TD | |
197 WIDTH="33%" | |
198 ALIGN="left" | |
199 VALIGN="top" | |
200 ><A | |
201 HREF="sdlkillthread.html" | |
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202 ACCESSKEY="P" |
0 | 203 >Prev</A |
204 ></TD | |
205 ><TD | |
206 WIDTH="34%" | |
207 ALIGN="center" | |
208 VALIGN="top" | |
209 ><A | |
210 HREF="index.html" | |
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211 ACCESSKEY="H" |
0 | 212 >Home</A |
213 ></TD | |
214 ><TD | |
215 WIDTH="33%" | |
216 ALIGN="right" | |
217 VALIGN="top" | |
218 ><A | |
219 HREF="sdldestroymutex.html" | |
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220 ACCESSKEY="N" |
0 | 221 >Next</A |
222 ></TD | |
223 ></TR | |
224 ><TR | |
225 ><TD | |
226 WIDTH="33%" | |
227 ALIGN="left" | |
228 VALIGN="top" | |
229 >SDL_KillThread</TD | |
230 ><TD | |
231 WIDTH="34%" | |
232 ALIGN="center" | |
233 VALIGN="top" | |
234 ><A | |
235 HREF="thread.html" | |
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236 ACCESSKEY="U" |
0 | 237 >Up</A |
238 ></TD | |
239 ><TD | |
240 WIDTH="33%" | |
241 ALIGN="right" | |
242 VALIGN="top" | |
243 >SDL_DestroyMutex</TD | |
244 ></TR | |
245 ></TABLE | |
246 ></DIV | |
247 ></BODY | |
248 ></HTML | |
249 > |