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Date: Thu, 26 Apr 2001 10:46:23 +0200 From: Alexander Pipelka <pipelka@bms-austria.com> Subject: SDL ELO driver bugfix Hi Sam! We noticed that the ELO serial touchscreen controller is quite sensitive in terms of correct protocol handling. The current implementation cause some controllers to hangup after some time (> 24h). I think the attached patch should fix this (I ran my device more than 3 days without any hangups).
author Sam Lantinga <slouken@lokigames.com>
date Thu, 26 Apr 2001 16:54:56 +0000
parents 74212992fb08
children 55f1f1b3e27d
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<HTML
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><TITLE
>SDL_Quit</TITLE
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><H1
><A
NAME="SDLQUIT"
>SDL_Quit</A
></H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN546"
></A
><H2
>Name</H2
>SDL_Quit&nbsp;--&nbsp;Shut down SDL</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN549"
></A
><H2
>Synopsis</H2
><DIV
CLASS="FUNCSYNOPSIS"
><A
NAME="AEN550"
></A
><P
></P
><PRE
CLASS="FUNCSYNOPSISINFO"
>#include "SDL.h"</PRE
><P
><CODE
><CODE
CLASS="FUNCDEF"
>void <B
CLASS="FSFUNC"
>SDL_Quit</B
></CODE
>(void);</CODE
></P
><P
></P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN556"
></A
><H2
>Description</H2
><P
><TT
CLASS="FUNCTION"
>SDL_Quit</TT
> shuts down all SDL subsystems and frees the resources allocated to them. This should always be called before you exit. For the sake of simplicity you can set <TT
CLASS="FUNCTION"
>SDL_Quit</TT
> as your <TT
CLASS="FUNCTION"
>atexit</TT
> call, like:
<PRE
CLASS="PROGRAMLISTING"
>SDL_Init(SDL_INIT_VIDEO|SDL_INIT_AUDIO);
atexit(SDL_Quit);
.
.</PRE
></P
><DIV
CLASS="NOTE"
><BLOCKQUOTE
CLASS="NOTE"
><P
><B
>Note: </B
>While using <TT
CLASS="FUNCTION"
>atexit</TT
> maybe be fine for small programs, more advanced users should shut down SDL in their own cleanup code. Plus, using <TT
CLASS="FUNCTION"
>atexit</TT
> in a library is a sure way to crash dynamically loaded code</P
></BLOCKQUOTE
></DIV
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></A
><H2
>See Also</H2
><P
><A
HREF="sdlquitsubsystem.html"
><TT
CLASS="FUNCTION"
>SDL_QuitSubsystem</TT
></A
>,
<A
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><TT
CLASS="FUNCTION"
>SDL_Init</TT
></A
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