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Updated SDL HTML documentation
author Sam Lantinga <slouken@libsdl.org>
date Tue, 10 Feb 2004 15:15:40 +0000
parents e5bc29de3f0a
children
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802:3c609d54f100 803:355632dca928
2 ><HEAD 2 ><HEAD
3 ><TITLE 3 ><TITLE
4 >SDL_SemWait</TITLE 4 >SDL_SemWait</TITLE
5 ><META 5 ><META
6 NAME="GENERATOR" 6 NAME="GENERATOR"
7 CONTENT="Modular DocBook HTML Stylesheet Version 1.64 7 CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
8 "><LINK 8 "><LINK
9 REL="HOME" 9 REL="HOME"
10 TITLE="SDL Library Documentation" 10 TITLE="SDL Library Documentation"
11 HREF="index.html"><LINK 11 HREF="index.html"><LINK
12 REL="UP" 12 REL="UP"
26 VLINK="#551a8b" 26 VLINK="#551a8b"
27 ALINK="#ff0000" 27 ALINK="#ff0000"
28 ><DIV 28 ><DIV
29 CLASS="NAVHEADER" 29 CLASS="NAVHEADER"
30 ><TABLE 30 ><TABLE
31 SUMMARY="Header navigation table"
31 WIDTH="100%" 32 WIDTH="100%"
32 BORDER="0" 33 BORDER="0"
33 CELLPADDING="0" 34 CELLPADDING="0"
34 CELLSPACING="0" 35 CELLSPACING="0"
35 ><TR 36 ><TR
43 WIDTH="10%" 44 WIDTH="10%"
44 ALIGN="left" 45 ALIGN="left"
45 VALIGN="bottom" 46 VALIGN="bottom"
46 ><A 47 ><A
47 HREF="sdldestroysemaphore.html" 48 HREF="sdldestroysemaphore.html"
49 ACCESSKEY="P"
48 >Prev</A 50 >Prev</A
49 ></TD 51 ></TD
50 ><TD 52 ><TD
51 WIDTH="80%" 53 WIDTH="80%"
52 ALIGN="center" 54 ALIGN="center"
56 WIDTH="10%" 58 WIDTH="10%"
57 ALIGN="right" 59 ALIGN="right"
58 VALIGN="bottom" 60 VALIGN="bottom"
59 ><A 61 ><A
60 HREF="sdlsemtrywait.html" 62 HREF="sdlsemtrywait.html"
63 ACCESSKEY="N"
61 >Next</A 64 >Next</A
62 ></TD 65 ></TD
63 ></TR 66 ></TR
64 ></TABLE 67 ></TABLE
65 ><HR 68 ><HR
66 ALIGN="LEFT" 69 ALIGN="LEFT"
67 WIDTH="100%"></DIV 70 WIDTH="100%"></DIV
68 ><H1 71 ><H1
69 ><A 72 ><A
70 NAME="SDLSEMWAIT" 73 NAME="SDLSEMWAIT"
71 >SDL_SemWait</A 74 ></A
72 ></H1 75 >SDL_SemWait</H1
73 ><DIV 76 ><DIV
74 CLASS="REFNAMEDIV" 77 CLASS="REFNAMEDIV"
75 ><A 78 ><A
76 NAME="AEN7635" 79 NAME="AEN8023"
77 ></A 80 ></A
78 ><H2 81 ><H2
79 >Name</H2 82 >Name</H2
80 >SDL_SemWait&nbsp;--&nbsp;Lock a semaphore and suspend the thread if the semaphore value is zero.</DIV 83 >SDL_SemWait&nbsp;--&nbsp;Lock a semaphore and suspend the thread if the semaphore value is zero.</DIV
81 ><DIV 84 ><DIV
82 CLASS="REFSYNOPSISDIV" 85 CLASS="REFSYNOPSISDIV"
83 ><A 86 ><A
84 NAME="AEN7638" 87 NAME="AEN8026"
85 ></A 88 ></A
86 ><H2 89 ><H2
87 >Synopsis</H2 90 >Synopsis</H2
88 ><DIV 91 ><DIV
89 CLASS="FUNCSYNOPSIS" 92 CLASS="FUNCSYNOPSIS"
90 ><A 93 ><A
91 NAME="AEN7639" 94 NAME="AEN8027"
92 ></A 95 ></A
93 ><P 96 ><P
94 ></P 97 ></P
95 ><PRE 98 ><PRE
96 CLASS="FUNCSYNOPSISINFO" 99 CLASS="FUNCSYNOPSISINFO"
111 ></DIV 114 ></DIV
112 ></DIV 115 ></DIV
113 ><DIV 116 ><DIV
114 CLASS="REFSECT1" 117 CLASS="REFSECT1"
115 ><A 118 ><A
116 NAME="AEN7645" 119 NAME="AEN8033"
117 ></A 120 ></A
118 ><H2 121 ><H2
119 >Description</H2 122 >Description</H2
120 ><P 123 ><P
121 ><TT 124 ><TT
142 >.</P 145 >.</P
143 ></DIV 146 ></DIV
144 ><DIV 147 ><DIV
145 CLASS="REFSECT1" 148 CLASS="REFSECT1"
146 ><A 149 ><A
147 NAME="AEN7653" 150 NAME="AEN8041"
148 ></A 151 ></A
149 ><H2 152 ><H2
150 >Return Value</H2 153 >Return Value</H2
151 ><P 154 ><P
152 >Returns <SPAN 155 >Returns <SPAN
159 > if there was an error (leaving the semaphore unchanged).</P 162 > if there was an error (leaving the semaphore unchanged).</P
160 ></DIV 163 ></DIV
161 ><DIV 164 ><DIV
162 CLASS="REFSECT1" 165 CLASS="REFSECT1"
163 ><A 166 ><A
164 NAME="AEN7658" 167 NAME="AEN8046"
165 ></A 168 ></A
166 ><H2 169 ><H2
167 >Examples</H2 170 >Examples</H2
168 ><P 171 ><P
169 ><PRE 172 ><PRE
178 ></P 181 ></P
179 ></DIV 182 ></DIV
180 ><DIV 183 ><DIV
181 CLASS="REFSECT1" 184 CLASS="REFSECT1"
182 ><A 185 ><A
183 NAME="AEN7662" 186 NAME="AEN8050"
184 ></A 187 ></A
185 ><H2 188 ><H2
186 >See Also</H2 189 >See Also</H2
187 ><P 190 ><P
188 ><A 191 ><A
231 ><DIV 234 ><DIV
232 CLASS="NAVFOOTER" 235 CLASS="NAVFOOTER"
233 ><HR 236 ><HR
234 ALIGN="LEFT" 237 ALIGN="LEFT"
235 WIDTH="100%"><TABLE 238 WIDTH="100%"><TABLE
239 SUMMARY="Footer navigation table"
236 WIDTH="100%" 240 WIDTH="100%"
237 BORDER="0" 241 BORDER="0"
238 CELLPADDING="0" 242 CELLPADDING="0"
239 CELLSPACING="0" 243 CELLSPACING="0"
240 ><TR 244 ><TR
242 WIDTH="33%" 246 WIDTH="33%"
243 ALIGN="left" 247 ALIGN="left"
244 VALIGN="top" 248 VALIGN="top"
245 ><A 249 ><A
246 HREF="sdldestroysemaphore.html" 250 HREF="sdldestroysemaphore.html"
251 ACCESSKEY="P"
247 >Prev</A 252 >Prev</A
248 ></TD 253 ></TD
249 ><TD 254 ><TD
250 WIDTH="34%" 255 WIDTH="34%"
251 ALIGN="center" 256 ALIGN="center"
252 VALIGN="top" 257 VALIGN="top"
253 ><A 258 ><A
254 HREF="index.html" 259 HREF="index.html"
260 ACCESSKEY="H"
255 >Home</A 261 >Home</A
256 ></TD 262 ></TD
257 ><TD 263 ><TD
258 WIDTH="33%" 264 WIDTH="33%"
259 ALIGN="right" 265 ALIGN="right"
260 VALIGN="top" 266 VALIGN="top"
261 ><A 267 ><A
262 HREF="sdlsemtrywait.html" 268 HREF="sdlsemtrywait.html"
269 ACCESSKEY="N"
263 >Next</A 270 >Next</A
264 ></TD 271 ></TD
265 ></TR 272 ></TR
266 ><TR 273 ><TR
267 ><TD 274 ><TD
273 WIDTH="34%" 280 WIDTH="34%"
274 ALIGN="center" 281 ALIGN="center"
275 VALIGN="top" 282 VALIGN="top"
276 ><A 283 ><A
277 HREF="thread.html" 284 HREF="thread.html"
285 ACCESSKEY="U"
278 >Up</A 286 >Up</A
279 ></TD 287 ></TD
280 ><TD 288 ><TD
281 WIDTH="33%" 289 WIDTH="33%"
282 ALIGN="right" 290 ALIGN="right"