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Fixed DirectX fullscreen gamma control (thanks John!)
author Sam Lantinga <slouken@libsdl.org>
date Tue, 09 Apr 2002 23:49:06 +0000
parents e5bc29de3f0a
children 355632dca928
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<HTML
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>SDL_SemValue</TITLE
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><H1
><A
NAME="SDLSEMVALUE"
>SDL_SemValue</A
></H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN7830"
></A
><H2
>Name</H2
>SDL_SemValue&nbsp;--&nbsp;Return the current value of a semaphore.</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN7833"
></A
><H2
>Synopsis</H2
><DIV
CLASS="FUNCSYNOPSIS"
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><P
></P
><PRE
CLASS="FUNCSYNOPSISINFO"
>#include "SDL.h"
#include "SDL/SDL_thread.h"</PRE
><P
><CODE
><CODE
CLASS="FUNCDEF"
>Uint32 <B
CLASS="FSFUNC"
>SDL_SemValue</B
></CODE
>(SDL_sem *sem);</CODE
></P
><P
></P
></DIV
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><DIV
CLASS="REFSECT1"
><A
NAME="AEN7840"
></A
><H2
>Description</H2
><P
><TT
CLASS="FUNCTION"
>SDL_SemValue()</TT
> returns the current semaphore value from
the semaphore pointed to by <TT
CLASS="PARAMETER"
><I
>sem</I
></TT
>.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN7845"
></A
><H2
>Return Value</H2
><P
>Returns current value of the semaphore.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN7848"
></A
><H2
>Examples</H2
><P
><PRE
CLASS="PROGRAMLISTING"
>  sem_value = SDL_SemValue(my_sem);</PRE
></P
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><A
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></A
><H2
>See Also</H2
><P
><A
HREF="sdlcreatesemaphore.html"
><TT
CLASS="FUNCTION"
>SDL_CreateSemaphore</TT
></A
>,
<A
HREF="sdldestroysemaphore.html"
><TT
CLASS="FUNCTION"
>SDL_DestroySemaphore</TT
></A
>,
<A
HREF="sdlsemwait.html"
><TT
CLASS="FUNCTION"
>SDL_SemWait</TT
></A
>,
<A
HREF="sdlsemtrywait.html"
><TT
CLASS="FUNCTION"
>SDL_SemTryWait</TT
></A
>,
<A
HREF="sdlsemwaittimeout.html"
><TT
CLASS="FUNCTION"
>SDL_SemWaitTimeout</TT
></A
>,
<A
HREF="sdlsempost.html"
><TT
CLASS="FUNCTION"
>SDL_SemPost</TT
></A
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