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| >SDL_SemValue</H1 |
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| NAME="AEN8218" |
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| ><H2 |
| >Name</H2 |
| >SDL_SemValue -- Return the current value of a semaphore.</DIV |
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| NAME="AEN8221" |
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| >Synopsis</H2 |
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| ><PRE |
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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 |
| ></DIV |
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| CLASS="REFSECT1" |
| ><A |
| NAME="AEN8233" |
| ></A |
| ><H2 |
| >Return Value</H2 |
| ><P |
| >Returns current value of the semaphore.</P |
| ></DIV |
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| CLASS="REFSECT1" |
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| NAME="AEN8236" |
| ></A |
| ><H2 |
| >Examples</H2 |
| ><P |
| ><PRE |
| CLASS="PROGRAMLISTING" |
| > sem_value = SDL_SemValue(my_sem);</PRE |
| ></P |
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| NAME="AEN8240" |
| ></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 |
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