Mercurial > sdl-ios-xcode

<HTML
><HEAD
><TITLE
>SDL_CreateMutex</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.64
"><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
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TH
COLSPAN="3"
ALIGN="center"
>SDL Library Documentation</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="sdlkillthread.html"
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
></TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="sdldestroymutex.html"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><H1
><A
NAME="SDLCREATEMUTEX"
>SDL_CreateMutex</A
></H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN7432"
></A
><H2
>Name</H2
>SDL_CreateMutex&nbsp;--&nbsp;Create a mutex</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN7435"
></A
><H2
>Synopsis</H2
><DIV
CLASS="FUNCSYNOPSIS"
><A
NAME="AEN7436"
></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="AEN7442"
></A
><H2
>Description</H2
><P
>Create a new, unlocked mutex.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN7445"
></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);&#13;</PRE
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN7448"
></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
><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
><A
HREF="sdlkillthread.html"
>Prev</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="index.html"
>Home</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="sdldestroymutex.html"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>SDL_KillThread</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="thread.html"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>SDL_DestroyMutex</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>
author	Sam Lantinga <slouken@libsdl.org>
date	Tue, 09 Apr 2002 23:49:06 +0000
parents	e5bc29de3f0a
children	355632dca928