Mercurial > sdl-ios-xcode
annotate docs/html/sdlmutexp.html @ 693:6c119628180d
Date: Sat, 16 Aug 2003 16:22:56 +0300
From: "Mike Gorchak"
Subject: Package building for QNX6
I'm just completed the package description file for QNX6 - qpg, it is like a\
.spec files for Linux. Please place SDL.qpg.in file in the root of the proj\
ect, where .spec file is placed. And sdl12qpg.diff - just adding the SDL.qpg\
.in. The same for the SDL_image. I'm planning to add .qpg files creation for\
all SDL* projects.
As for shared library building for QNX6. It is very hard to improve the exis\
ting libtool code to support QNX shared libraries. Much easyiest is to remov\
e libtool.m4 code from the acinclude.m4 for those persons, who building shar\
ed libraries for QNX6. I'm described all what they need to do with .so under\
QNX6 in the README.QNX file. And 90% of people used the precompiled librari\
es, so I think it is not big problem :)
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 23 Aug 2003 23:25:46 +0000 |
| parents | e5bc29de3f0a |
| children | 355632dca928 |
| rev | line source |
|---|---|
| 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 > |