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

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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>SDL_mutexV</H1
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><H2
>Name</H2
>SDL_mutexV&nbsp;--&nbsp;Unlock a mutex</DIV
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><PRE
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>#include "SDL.h"
#include "SDL_thread.h"</PRE
><P
><CODE
><CODE
CLASS="FUNCDEF"
>int <B
CLASS="FSFUNC"
>SDL_mutexV</B
></CODE
>(SDL_mutex *mutex);</CODE
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><H2
>Description</H2
><P
>Unlocks the <TT
CLASS="PARAMETER"
><I
>mutex</I
></TT
>, which was previously created with <A
HREF="sdlcreatemutex.html"
><TT
CLASS="FUNCTION"
>SDL_CreateMutex</TT
></A
>. Returns <SPAN
CLASS="RETURNVALUE"
>0</SPAN
> on success, or <SPAN
CLASS="RETURNVALUE"
>-1</SPAN
> on an error.</P
><P
>SDL also defines a macro <TT
CLASS="LITERAL"
>#define SDL_UnlockMutex(m) SDL_mutexV(m)</TT
>.</P
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>See Also</H2
><P
><A
HREF="sdlcreatemutex.html"
><TT
CLASS="FUNCTION"
>SDL_CreateMutex</TT
></A
>,
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HREF="sdlmutexp.html"
><TT
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>SDL_mutexP</TT
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