forked from KolibriOS/kolibrios
241 lines
2.9 KiB
HTML
241 lines
2.9 KiB
HTML
|
<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="AEN7271"
|
||
|
|
></A
|
||
|
|
><H2
|
||
|
|
>Name</H2
|
||
|
|
>SDL_CreateMutex -- Create a mutex</DIV
|
||
|
|
><DIV
|
||
|
|
CLASS="REFSYNOPSISDIV"
|
||
|
|
><A
|
||
|
|
NAME="AEN7274"
|
||
|
|
></A
|
||
|
|
><H2
|
||
|
|
>Synopsis</H2
|
||
|
|
><DIV
|
||
|
|
CLASS="FUNCSYNOPSIS"
|
||
|
|
><A
|
||
|
|
NAME="AEN7275"
|
||
|
|
></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="AEN7281"
|
||
|
|
></A
|
||
|
|
><H2
|
||
|
|
>Description</H2
|
||
|
|
><P
|
||
|
|
>Create a new, unlocked mutex.</P
|
||
|
|
></DIV
|
||
|
|
><DIV
|
||
|
|
CLASS="REFSECT1"
|
||
|
|
><A
|
||
|
|
NAME="AEN7284"
|
||
|
|
></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="AEN7287"
|
||
|
|
></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
|
||
|
|
>
|