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view docs/html/sdllockaudio.html @ 2321:c5feceb0395e

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SetupWindowData in SDL_X11window.c was realloc()ing the display window list and incrementing numwindows even though those are being updated in functions that call this function. The result is that it is possible to get the same window added to the list twice.
author Bob Pendleton <bob@pendleton.com>
date Tue, 04 Mar 2008 23:09:28 +0000
parents 355632dca928
children
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<HTML
><HEAD
><TITLE
>SDL_LockAudio</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
"><LINK
REL="HOME"
TITLE="SDL Library Documentation"
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TITLE="Audio"
HREF="audio.html"><LINK
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TITLE="SDL_MixAudio"
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REL="NEXT"
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>SDL Library Documentation</TH
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><HR
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><H1
><A
NAME="SDLLOCKAUDIO"
></A
>SDL_LockAudio</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN7134"
></A
><H2
>Name</H2
>SDL_LockAudio&nbsp;--&nbsp;Lock out the callback function</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN7137"
></A
><H2
>Synopsis</H2
><DIV
CLASS="FUNCSYNOPSIS"
><A
NAME="AEN7138"
></A
><P
></P
><PRE
CLASS="FUNCSYNOPSISINFO"
>#include "SDL.h"</PRE
><P
><CODE
><CODE
CLASS="FUNCDEF"
>void <B
CLASS="FSFUNC"
>SDL_LockAudio</B
></CODE
>(void);</CODE
></P
><P
></P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN7144"
></A
><H2
>Description</H2
><P
>The lock manipulated by these functions protects the callback function.
During a LockAudio period, you can be guaranteed that the
callback function is not running.  Do not call these from the callback
function or you will cause deadlock.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN7147"
></A
><H2
>See Also</H2
><P
><A
HREF="sdlopenaudio.html"
><TT
CLASS="FUNCTION"
>SDL_OpenAudio</TT
></A
></P
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>SDL_MixAudio</TD
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