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Initial revision
author Sam Lantinga <slouken@lokigames.com>
date Thu, 26 Apr 2001 16:45:43 +0000
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children 55f1f1b3e27d
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-1:000000000000 0:74212992fb08
1 <HTML
2 ><HEAD
3 ><TITLE
4 >SDL_CreateMutex</TITLE
5 ><META
6 NAME="GENERATOR"
7 CONTENT="Modular DocBook HTML Stylesheet Version 1.61
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
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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
31 WIDTH="100%"
32 BORDER="0"
33 CELLPADDING="0"
34 CELLSPACING="0"
35 ><TR
36 ><TH
37 COLSPAN="3"
38 ALIGN="center"
39 >SDL Library Documentation</TH
40 ></TR
41 ><TR
42 ><TD
43 WIDTH="10%"
44 ALIGN="left"
45 VALIGN="bottom"
46 ><A
47 HREF="sdlkillthread.html"
48 >Prev</A
49 ></TD
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51 WIDTH="80%"
52 ALIGN="center"
53 VALIGN="bottom"
54 ></TD
55 ><TD
56 WIDTH="10%"
57 ALIGN="right"
58 VALIGN="bottom"
59 ><A
60 HREF="sdldestroymutex.html"
61 >Next</A
62 ></TD
63 ></TR
64 ></TABLE
65 ><HR
66 ALIGN="LEFT"
67 WIDTH="100%"></DIV
68 ><H1
69 ><A
70 NAME="SDLCREATEMUTEX"
71 >SDL_CreateMutex</A
72 ></H1
73 ><DIV
74 CLASS="REFNAMEDIV"
75 ><A
76 NAME="AEN7195"
77 ></A
78 ><H2
79 >Name</H2
80 >SDL_CreateMutex&nbsp;--&nbsp;Create a mutex</DIV
81 ><DIV
82 CLASS="REFSYNOPSISDIV"
83 ><A
84 NAME="AEN7198"
85 ></A
86 ><H2
87 >Synopsis</H2
88 ><DIV
89 CLASS="FUNCSYNOPSIS"
90 ><A
91 NAME="AEN7199"
92 ></A
93 ><P
94 ></P
95 ><PRE
96 CLASS="FUNCSYNOPSISINFO"
97 >#include "SDL.h"
98 #include "SDL_thread.h"</PRE
99 ><P
100 ><CODE
101 ><CODE
102 CLASS="FUNCDEF"
103 >SDL_mutex *<B
104 CLASS="FSFUNC"
105 >SDL_CreateMutex</B
106 ></CODE
107 >(void);</CODE
108 ></P
109 ><P
110 ></P
111 ></DIV
112 ></DIV
113 ><DIV
114 CLASS="REFSECT1"
115 ><A
116 NAME="AEN7205"
117 ></A
118 ><H2
119 >Description</H2
120 ><P
121 >Create a new, unlocked mutex.</P
122 ></DIV
123 ><DIV
124 CLASS="REFSECT1"
125 ><A
126 NAME="AEN7208"
127 ></A
128 ><H2
129 >Examples</H2
130 ><PRE
131 CLASS="PROGRAMLISTING"
132 >SDL_mutex *mut;
133
134 mut=SDL_CreateMutex();
135 .
136 .
137 if(SDL_mutexP(mut)==-1){
138 fprintf(stderr, "Couldn't lock mutex\n");
139 exit(-1);
140 }
141 .
142 /* Do stuff while mutex is locked */
143 .
144 .
145 if(SDL_mutexV(mut)==-1){
146 fprintf(stderr, "Couldn't unlock mutex\n");
147 exit(-1);
148 }
149
150 SDL_DestroyMutex(mut);&#13;</PRE
151 ></DIV
152 ><DIV
153 CLASS="REFSECT1"
154 ><A
155 NAME="AEN7211"
156 ></A
157 ><H2
158 >See Also</H2
159 ><P
160 ><A
161 HREF="sdlmutexp.html"
162 ><TT
163 CLASS="FUNCTION"
164 >SDL_mutexP</TT
165 ></A
166 >,
167 <A
168 HREF="sdlmutexv.html"
169 ><TT
170 CLASS="FUNCTION"
171 >SDL_mutexV</TT
172 ></A
173 >,
174 <A
175 HREF="sdldestroymutex.html"
176 ><TT
177 CLASS="FUNCTION"
178 >SDL_DestroyMutex</TT
179 ></A
180 ></P
181 ></DIV
182 ><DIV
183 CLASS="NAVFOOTER"
184 ><HR
185 ALIGN="LEFT"
186 WIDTH="100%"><TABLE
187 WIDTH="100%"
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189 CELLPADDING="0"
190 CELLSPACING="0"
191 ><TR
192 ><TD
193 WIDTH="33%"
194 ALIGN="left"
195 VALIGN="top"
196 ><A
197 HREF="sdlkillthread.html"
198 >Prev</A
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201 WIDTH="34%"
202 ALIGN="center"
203 VALIGN="top"
204 ><A
205 HREF="index.html"
206 >Home</A
207 ></TD
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209 WIDTH="33%"
210 ALIGN="right"
211 VALIGN="top"
212 ><A
213 HREF="sdldestroymutex.html"
214 >Next</A
215 ></TD
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217 ><TR
218 ><TD
219 WIDTH="33%"
220 ALIGN="left"
221 VALIGN="top"
222 >SDL_KillThread</TD
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224 WIDTH="34%"
225 ALIGN="center"
226 VALIGN="top"
227 ><A
228 HREF="thread.html"
229 >Up</A
230 ></TD
231 ><TD
232 WIDTH="33%"
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234 VALIGN="top"
235 >SDL_DestroyMutex</TD
236 ></TR
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238 ></DIV
239 ></BODY
240 ></HTML
241 >