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>SDL_SemValue</H1
><DIV
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><H2
>Name</H2
>SDL_SemValue&nbsp;--&nbsp;Return the current value of a semaphore.</DIV
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>Synopsis</H2
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>#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
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><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
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><H2
>Return Value</H2
><P
>Returns current value of the semaphore.</P
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>Examples</H2
><P
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>  sem_value = SDL_SemValue(my_sem);</PRE
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><H2
>See Also</H2
><P
><A
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><TT
CLASS="FUNCTION"
>SDL_CreateSemaphore</TT
></A
>,
<A
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><TT
CLASS="FUNCTION"
>SDL_DestroySemaphore</TT
></A
>,
<A
HREF="sdlsemwait.html"
><TT
CLASS="FUNCTION"
>SDL_SemWait</TT
></A
>,
<A
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><TT
CLASS="FUNCTION"
>SDL_SemTryWait</TT
></A
>,
<A
HREF="sdlsemwaittimeout.html"
><TT
CLASS="FUNCTION"
>SDL_SemWaitTimeout</TT
></A
>,
<A
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><TT
CLASS="FUNCTION"
>SDL_SemPost</TT
></A
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author	Sam Lantinga <slouken@libsdl.org>
date	Sat, 03 Jan 2009 07:23:11 +0000
parents	355632dca928
children