Mercurial > sdl-ios-xcode
annotate docs/html/sdlmutexp.html @ 181:e5bc29de3f0a
Updated from the SDL Documentation Project
author | Sam Lantinga <slouken@libsdl.org> |
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date | Fri, 14 Sep 2001 02:41:09 +0000 |
parents | 55f1f1b3e27d |
children | 355632dca928 |
rev | line source |
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0 | 1 <HTML |
2 ><HEAD | |
3 ><TITLE | |
4 >SDL_mutexP</TITLE | |
5 ><META | |
6 NAME="GENERATOR" | |
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.64 |
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_DestroyMutex" | |
17 HREF="sdldestroymutex.html"><LINK | |
18 REL="NEXT" | |
19 TITLE="SDL_mutexV" | |
20 HREF="sdlmutexv.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="sdldestroymutex.html" | |
48 >Prev</A | |
49 ></TD | |
50 ><TD | |
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="sdlmutexv.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="SDLMUTEXP" | |
71 >SDL_mutexP</A | |
72 ></H1 | |
73 ><DIV | |
74 CLASS="REFNAMEDIV" | |
75 ><A | |
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76 NAME="AEN7484" |
0 | 77 ></A |
78 ><H2 | |
79 >Name</H2 | |
80 >SDL_mutexP -- Lock a mutex</DIV | |
81 ><DIV | |
82 CLASS="REFSYNOPSISDIV" | |
83 ><A | |
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84 NAME="AEN7487" |
0 | 85 ></A |
86 ><H2 | |
87 >Synopsis</H2 | |
88 ><DIV | |
89 CLASS="FUNCSYNOPSIS" | |
90 ><A | |
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91 NAME="AEN7488" |
0 | 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 >int <B | |
104 CLASS="FSFUNC" | |
105 >SDL_mutexP</B | |
106 ></CODE | |
107 >(SDL_mutex *mutex);</CODE | |
108 ></P | |
109 ><P | |
110 ></P | |
111 ></DIV | |
112 ></DIV | |
113 ><DIV | |
114 CLASS="REFSECT1" | |
115 ><A | |
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116 NAME="AEN7494" |
0 | 117 ></A |
118 ><H2 | |
119 >Description</H2 | |
120 ><P | |
121 >Locks the <TT | |
122 CLASS="PARAMETER" | |
123 ><I | |
124 >mutex</I | |
125 ></TT | |
126 >, which was previously created with <A | |
127 HREF="sdlcreatemutex.html" | |
128 ><TT | |
129 CLASS="FUNCTION" | |
130 >SDL_CreateMutex</TT | |
131 ></A | |
132 >. If the mutex is already locked then <TT | |
133 CLASS="FUNCTION" | |
134 >SDL_mutexP</TT | |
135 > will not return until it is <A | |
136 HREF="sdlmutexv.html" | |
137 >unlocked</A | |
138 >. Returns <SPAN | |
139 CLASS="RETURNVALUE" | |
140 >0</SPAN | |
141 > on success, or <SPAN | |
142 CLASS="RETURNVALUE" | |
143 >-1</SPAN | |
144 > on an error.</P | |
145 ><P | |
146 >SDL also defines a macro <TT | |
147 CLASS="LITERAL" | |
148 >#define SDL_LockMutex(m) SDL_mutexP(m)</TT | |
149 >.</P | |
150 ></DIV | |
151 ><DIV | |
152 CLASS="REFSECT1" | |
153 ><A | |
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154 NAME="AEN7506" |
0 | 155 ></A |
156 ><H2 | |
157 >See Also</H2 | |
158 ><P | |
159 ><A | |
160 HREF="sdlcreatemutex.html" | |
161 ><TT | |
162 CLASS="FUNCTION" | |
163 >SDL_CreateMutex</TT | |
164 ></A | |
165 >, | |
166 <A | |
167 HREF="sdlmutexv.html" | |
168 ><TT | |
169 CLASS="FUNCTION" | |
170 >SDL_mutexV</TT | |
171 ></A | |
172 ></P | |
173 ></DIV | |
174 ><DIV | |
175 CLASS="NAVFOOTER" | |
176 ><HR | |
177 ALIGN="LEFT" | |
178 WIDTH="100%"><TABLE | |
179 WIDTH="100%" | |
180 BORDER="0" | |
181 CELLPADDING="0" | |
182 CELLSPACING="0" | |
183 ><TR | |
184 ><TD | |
185 WIDTH="33%" | |
186 ALIGN="left" | |
187 VALIGN="top" | |
188 ><A | |
189 HREF="sdldestroymutex.html" | |
190 >Prev</A | |
191 ></TD | |
192 ><TD | |
193 WIDTH="34%" | |
194 ALIGN="center" | |
195 VALIGN="top" | |
196 ><A | |
197 HREF="index.html" | |
198 >Home</A | |
199 ></TD | |
200 ><TD | |
201 WIDTH="33%" | |
202 ALIGN="right" | |
203 VALIGN="top" | |
204 ><A | |
205 HREF="sdlmutexv.html" | |
206 >Next</A | |
207 ></TD | |
208 ></TR | |
209 ><TR | |
210 ><TD | |
211 WIDTH="33%" | |
212 ALIGN="left" | |
213 VALIGN="top" | |
214 >SDL_DestroyMutex</TD | |
215 ><TD | |
216 WIDTH="34%" | |
217 ALIGN="center" | |
218 VALIGN="top" | |
219 ><A | |
220 HREF="thread.html" | |
221 >Up</A | |
222 ></TD | |
223 ><TD | |
224 WIDTH="33%" | |
225 ALIGN="right" | |
226 VALIGN="top" | |
227 >SDL_mutexV</TD | |
228 ></TR | |
229 ></TABLE | |
230 ></DIV | |
231 ></BODY | |
232 ></HTML | |
233 > |