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sdlcreatemutex.html
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sdlcreatemutex.html
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<HTML
><HEAD
><TITLE
>SDL_CreateMutex</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
"><LINK
REL="HOME"
TITLE="SDL Library Documentation"
HREF="index.html"><LINK
REL="UP"
TITLE="Multi-threaded Programming"
HREF="thread.html"><LINK
REL="PREVIOUS"
TITLE="SDL_KillThread"
HREF="sdlkillthread.html"><LINK
REL="NEXT"
TITLE="SDL_DestroyMutex"
HREF="sdldestroymutex.html"></HEAD
><BODY
CLASS="REFENTRY"
BGCOLOR="#FFF8DC"
TEXT="#000000"
LINK="#0000ee"
VLINK="#551a8b"
ALINK="#ff0000"
><DIV
CLASS="NAVHEADER"
><TABLE
SUMMARY="Header navigation table"
WIDTH="100%"
BORDER="0"
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><HR
ALIGN="LEFT"
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><H1
><A
NAME="SDLCREATEMUTEX"
></A
>SDL_CreateMutex</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN7820"
></A
><H2
>Name</H2
>SDL_CreateMutex -- Create a mutex</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN7823"
></A
><H2
>Synopsis</H2
><DIV
CLASS="FUNCSYNOPSIS"
><A
NAME="AEN7824"
></A
><P
></P
><PRE
CLASS="FUNCSYNOPSISINFO"
>#include "SDL.h"
#include "SDL_thread.h"</PRE
><P
><CODE
><CODE
CLASS="FUNCDEF"
>SDL_mutex *<B
CLASS="FSFUNC"
>SDL_CreateMutex</B
></CODE
>(void);</CODE
></P
><P
></P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN7830"
></A
><H2
>Description</H2
><P
>Create a new, unlocked mutex.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN7833"
></A
><H2
>Examples</H2
><PRE
CLASS="PROGRAMLISTING"
>SDL_mutex *mut;
mut=SDL_CreateMutex();
.
.
if(SDL_mutexP(mut)==-1){
fprintf(stderr, "Couldn't lock mutex\n");
exit(-1);
}
.
/* Do stuff while mutex is locked */
.
.
if(SDL_mutexV(mut)==-1){
fprintf(stderr, "Couldn't unlock mutex\n");
exit(-1);
}
SDL_DestroyMutex(mut); </PRE
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN7836"
></A
><H2
>See Also</H2
><P
><A
HREF="sdlmutexp.html"
><TT
CLASS="FUNCTION"
>SDL_mutexP</TT
></A
>,
<A
HREF="sdlmutexv.html"
><TT
CLASS="FUNCTION"
>SDL_mutexV</TT
></A
>,
<A
HREF="sdldestroymutex.html"
><TT
CLASS="FUNCTION"
>SDL_DestroyMutex</TT
></A
></P
></DIV
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></TD
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><TR
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>SDL_KillThread</TD
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>