symbian-qemu-0.9.1-12/libsdl-trunk/docs/html/sdlcreatemutex.html
author Mike Kinghan <mikek@symbian.org>
Thu, 25 Nov 2010 14:28:39 +0000
branchGCC_SURGE
changeset 135 10852f1a0ae9
parent 1 2fb8b9db1c86
permissions -rw-r--r--
Merge a pointless head that got away.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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<HTML
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><HEAD
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><TITLE
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>SDL_CreateMutex</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
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"><LINK
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REL="HOME"
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TITLE="SDL Library Documentation"
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HREF="index.html"><LINK
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REL="UP"
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TITLE="Multi-threaded Programming"
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HREF="thread.html"><LINK
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REL="PREVIOUS"
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TITLE="SDL_KillThread"
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HREF="sdlkillthread.html"><LINK
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REL="NEXT"
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TITLE="SDL_DestroyMutex"
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HREF="sdldestroymutex.html"></HEAD
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><BODY
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CLASS="REFENTRY"
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BGCOLOR="#FFF8DC"
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TEXT="#000000"
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LINK="#0000ee"
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VLINK="#551a8b"
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ALINK="#ff0000"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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SUMMARY="Header navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>SDL Library Documentation</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="sdlkillthread.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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></TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="sdldestroymutex.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><H1
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><A
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NAME="SDLCREATEMUTEX"
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></A
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>SDL_CreateMutex</H1
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><DIV
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CLASS="REFNAMEDIV"
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><A
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NAME="AEN7820"
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></A
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><H2
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>Name</H2
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>SDL_CreateMutex&nbsp;--&nbsp;Create a mutex</DIV
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><DIV
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CLASS="REFSYNOPSISDIV"
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><A
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NAME="AEN7823"
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></A
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><H2
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>Synopsis</H2
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><DIV
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CLASS="FUNCSYNOPSIS"
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><A
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NAME="AEN7824"
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></A
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><P
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></P
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><PRE
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CLASS="FUNCSYNOPSISINFO"
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>#include "SDL.h"
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#include "SDL_thread.h"</PRE
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><P
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><CODE
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><CODE
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CLASS="FUNCDEF"
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>SDL_mutex *<B
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CLASS="FSFUNC"
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>SDL_CreateMutex</B
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></CODE
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>(void);</CODE
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></P
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><P
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></P
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></DIV
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN7830"
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></A
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><H2
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>Description</H2
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><P
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>Create a new, unlocked mutex.</P
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></DIV
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><DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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CLASS="REFSECT1"
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><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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NAME="AEN7833"
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></A
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><H2
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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>Examples</H2
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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><PRE
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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CLASS="PROGRAMLISTING"
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>SDL_mutex *mut;
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2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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mut=SDL_CreateMutex();
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   140
if(SDL_mutexP(mut)==-1){
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   141
  fprintf(stderr, "Couldn't lock mutex\n");
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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  exit(-1);
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   143
}
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   145
/* Do stuff while mutex is locked */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   146
.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   147
.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   148
if(SDL_mutexV(mut)==-1){
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   149
  fprintf(stderr, "Couldn't unlock mutex\n");
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   150
  exit(-1);
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   151
}
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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SDL_DestroyMutex(mut);&#13;</PRE
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></DIV
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><DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   156
CLASS="REFSECT1"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   158
NAME="AEN7836"
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   159
></A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   160
><H2
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   161
>See Also</H2
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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><P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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HREF="sdlmutexp.html"
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><TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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CLASS="FUNCTION"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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>SDL_mutexP</TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   168
></A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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>,
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   170
<A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   171
HREF="sdlmutexv.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   172
><TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
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   173
CLASS="FUNCTION"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   174
>SDL_mutexV</TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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></A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   176
>,
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   177
<A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   178
HREF="sdldestroymutex.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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><TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   180
CLASS="FUNCTION"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   181
>SDL_DestroyMutex</TT
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></A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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></P
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></DIV
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><DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   186
CLASS="NAVFOOTER"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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><HR
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   188
ALIGN="LEFT"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   189
WIDTH="100%"><TABLE
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   190
SUMMARY="Footer navigation table"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   191
WIDTH="100%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   192
BORDER="0"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   193
CELLPADDING="0"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   194
CELLSPACING="0"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   195
><TR
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   196
><TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   197
WIDTH="33%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   198
ALIGN="left"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   199
VALIGN="top"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   200
><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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diff changeset
   201
HREF="sdlkillthread.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   202
ACCESSKEY="P"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   203
>Prev</A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   204
></TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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><TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   206
WIDTH="34%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   207
ALIGN="center"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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VALIGN="top"
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><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   210
HREF="index.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   211
ACCESSKEY="H"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   212
>Home</A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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></TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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><TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   215
WIDTH="33%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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ALIGN="right"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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VALIGN="top"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   219
HREF="sdldestroymutex.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   220
ACCESSKEY="N"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   221
>Next</A
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   222
></TD
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></TR
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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><TR
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><TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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WIDTH="33%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   227
ALIGN="left"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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VALIGN="top"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   229
>SDL_KillThread</TD
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><TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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WIDTH="34%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   232
ALIGN="center"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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VALIGN="top"
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><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   235
HREF="thread.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   236
ACCESSKEY="U"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   237
>Up</A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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></TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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><TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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WIDTH="33%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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ALIGN="right"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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VALIGN="top"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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>SDL_DestroyMutex</TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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></TR
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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></TABLE
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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></DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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></BODY
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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></HTML
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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>