Mercurial > sdl-ios-xcode
annotate docs/html/sdlsemvalue.html @ 2749:1c5f440a60fe
Initial work for NDS haptic support.
author | Darren Alton <dalton@stevens.edu> |
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date | Sat, 06 Sep 2008 00:10:16 +0000 |
parents | 355632dca928 |
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rev | line source |
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0 | 1 <HTML |
2 ><HEAD | |
3 ><TITLE | |
4 >SDL_SemValue</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_SemPost" | |
17 HREF="sdlsempost.html"><LINK | |
18 REL="NEXT" | |
19 TITLE="SDL_CreateCond" | |
20 HREF="sdlcreatecond.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="sdlsempost.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="sdlcreatecond.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="SDLSEMVALUE" | |
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74 ></A |
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75 >SDL_SemValue</H1 |
0 | 76 ><DIV |
77 CLASS="REFNAMEDIV" | |
78 ><A | |
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79 NAME="AEN8218" |
0 | 80 ></A |
81 ><H2 | |
82 >Name</H2 | |
83 >SDL_SemValue -- Return the current value of a semaphore.</DIV | |
84 ><DIV | |
85 CLASS="REFSYNOPSISDIV" | |
86 ><A | |
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87 NAME="AEN8221" |
0 | 88 ></A |
89 ><H2 | |
90 >Synopsis</H2 | |
91 ><DIV | |
92 CLASS="FUNCSYNOPSIS" | |
93 ><A | |
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94 NAME="AEN8222" |
0 | 95 ></A |
96 ><P | |
97 ></P | |
98 ><PRE | |
99 CLASS="FUNCSYNOPSISINFO" | |
100 >#include "SDL.h" | |
101 #include "SDL/SDL_thread.h"</PRE | |
102 ><P | |
103 ><CODE | |
104 ><CODE | |
105 CLASS="FUNCDEF" | |
106 >Uint32 <B | |
107 CLASS="FSFUNC" | |
108 >SDL_SemValue</B | |
109 ></CODE | |
110 >(SDL_sem *sem);</CODE | |
111 ></P | |
112 ><P | |
113 ></P | |
114 ></DIV | |
115 ></DIV | |
116 ><DIV | |
117 CLASS="REFSECT1" | |
118 ><A | |
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119 NAME="AEN8228" |
0 | 120 ></A |
121 ><H2 | |
122 >Description</H2 | |
123 ><P | |
124 ><TT | |
125 CLASS="FUNCTION" | |
126 >SDL_SemValue()</TT | |
127 > returns the current semaphore value from | |
128 the semaphore pointed to by <TT | |
129 CLASS="PARAMETER" | |
130 ><I | |
131 >sem</I | |
132 ></TT | |
133 >.</P | |
134 ></DIV | |
135 ><DIV | |
136 CLASS="REFSECT1" | |
137 ><A | |
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138 NAME="AEN8233" |
0 | 139 ></A |
140 ><H2 | |
141 >Return Value</H2 | |
142 ><P | |
143 >Returns current value of the semaphore.</P | |
144 ></DIV | |
145 ><DIV | |
146 CLASS="REFSECT1" | |
147 ><A | |
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148 NAME="AEN8236" |
0 | 149 ></A |
150 ><H2 | |
151 >Examples</H2 | |
152 ><P | |
153 ><PRE | |
154 CLASS="PROGRAMLISTING" | |
155 > sem_value = SDL_SemValue(my_sem);</PRE | |
156 ></P | |
157 ></DIV | |
158 ><DIV | |
159 CLASS="REFSECT1" | |
160 ><A | |
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161 NAME="AEN8240" |
0 | 162 ></A |
163 ><H2 | |
164 >See Also</H2 | |
165 ><P | |
166 ><A | |
167 HREF="sdlcreatesemaphore.html" | |
168 ><TT | |
169 CLASS="FUNCTION" | |
170 >SDL_CreateSemaphore</TT | |
171 ></A | |
172 >, | |
173 <A | |
174 HREF="sdldestroysemaphore.html" | |
175 ><TT | |
176 CLASS="FUNCTION" | |
177 >SDL_DestroySemaphore</TT | |
178 ></A | |
179 >, | |
180 <A | |
181 HREF="sdlsemwait.html" | |
182 ><TT | |
183 CLASS="FUNCTION" | |
184 >SDL_SemWait</TT | |
185 ></A | |
186 >, | |
187 <A | |
188 HREF="sdlsemtrywait.html" | |
189 ><TT | |
190 CLASS="FUNCTION" | |
191 >SDL_SemTryWait</TT | |
192 ></A | |
193 >, | |
194 <A | |
195 HREF="sdlsemwaittimeout.html" | |
196 ><TT | |
197 CLASS="FUNCTION" | |
198 >SDL_SemWaitTimeout</TT | |
199 ></A | |
200 >, | |
201 <A | |
202 HREF="sdlsempost.html" | |
203 ><TT | |
204 CLASS="FUNCTION" | |
205 >SDL_SemPost</TT | |
206 ></A | |
207 ></P | |
208 ></DIV | |
209 ><DIV | |
210 CLASS="NAVFOOTER" | |
211 ><HR | |
212 ALIGN="LEFT" | |
213 WIDTH="100%"><TABLE | |
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214 SUMMARY="Footer navigation table" |
0 | 215 WIDTH="100%" |
216 BORDER="0" | |
217 CELLPADDING="0" | |
218 CELLSPACING="0" | |
219 ><TR | |
220 ><TD | |
221 WIDTH="33%" | |
222 ALIGN="left" | |
223 VALIGN="top" | |
224 ><A | |
225 HREF="sdlsempost.html" | |
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226 ACCESSKEY="P" |
0 | 227 >Prev</A |
228 ></TD | |
229 ><TD | |
230 WIDTH="34%" | |
231 ALIGN="center" | |
232 VALIGN="top" | |
233 ><A | |
234 HREF="index.html" | |
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235 ACCESSKEY="H" |
0 | 236 >Home</A |
237 ></TD | |
238 ><TD | |
239 WIDTH="33%" | |
240 ALIGN="right" | |
241 VALIGN="top" | |
242 ><A | |
243 HREF="sdlcreatecond.html" | |
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244 ACCESSKEY="N" |
0 | 245 >Next</A |
246 ></TD | |
247 ></TR | |
248 ><TR | |
249 ><TD | |
250 WIDTH="33%" | |
251 ALIGN="left" | |
252 VALIGN="top" | |
253 >SDL_SemPost</TD | |
254 ><TD | |
255 WIDTH="34%" | |
256 ALIGN="center" | |
257 VALIGN="top" | |
258 ><A | |
259 HREF="thread.html" | |
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260 ACCESSKEY="U" |
0 | 261 >Up</A |
262 ></TD | |
263 ><TD | |
264 WIDTH="33%" | |
265 ALIGN="right" | |
266 VALIGN="top" | |
267 >SDL_CreateCond</TD | |
268 ></TR | |
269 ></TABLE | |
270 ></DIV | |
271 ></BODY | |
272 ></HTML | |
273 > |