265 lines
3.1 KiB
HTML
265 lines
3.1 KiB
HTML
<HTML
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><HEAD
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><TITLE
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>SDL_SemValue</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.64
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"><LINK
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REL="HOME"
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TITLE="SDL Library Documentation"
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TITLE="Multi-threaded Programming"
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HREF="thread.html"><LINK
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REL="PREVIOUS"
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TITLE="SDL_SemPost"
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HREF="sdlsempost.html"><LINK
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TITLE="SDL_CreateCond"
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HREF="sdlcreatecond.html"></HEAD
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BGCOLOR="#FFF8DC"
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VLINK="#551a8b"
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ALINK="#ff0000"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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WIDTH="100%"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>SDL Library Documentation</TH
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><TR
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><TD
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WIDTH="10%"
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HREF="sdlsempost.html"
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>Prev</A
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><H1
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><A
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NAME="SDLSEMVALUE"
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>SDL_SemValue</A
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></H1
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><DIV
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CLASS="REFNAMEDIV"
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><A
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NAME="AEN7669"
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></A
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><H2
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>Name</H2
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>SDL_SemValue -- Return the current value of a semaphore.</DIV
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><DIV
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CLASS="REFSYNOPSISDIV"
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><A
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NAME="AEN7672"
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></A
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><H2
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>Synopsis</H2
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><DIV
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CLASS="FUNCSYNOPSIS"
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><A
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NAME="AEN7673"
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></A
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><P
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></P
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><PRE
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CLASS="FUNCSYNOPSISINFO"
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>#include "SDL.h"
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#include "SDL/SDL_thread.h"</PRE
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><P
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><CODE
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><CODE
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CLASS="FUNCDEF"
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>Uint32 <B
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CLASS="FSFUNC"
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>SDL_SemValue</B
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></CODE
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>(SDL_sem *sem);</CODE
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></P
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><P
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></P
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></DIV
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN7679"
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></A
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><H2
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>Description</H2
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><P
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><TT
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CLASS="FUNCTION"
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>SDL_SemValue()</TT
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> returns the current semaphore value from
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the semaphore pointed to by <TT
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CLASS="PARAMETER"
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><I
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>sem</I
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></TT
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>.</P
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN7684"
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></A
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><H2
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>Return Value</H2
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><P
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>Returns current value of the semaphore.</P
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN7687"
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></A
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><H2
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>Examples</H2
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><P
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><PRE
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CLASS="PROGRAMLISTING"
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> sem_value = SDL_SemValue(my_sem);</PRE
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></P
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN7691"
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></A
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><H2
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>See Also</H2
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><P
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><A
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HREF="sdlcreatesemaphore.html"
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><TT
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CLASS="FUNCTION"
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>SDL_CreateSemaphore</TT
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></A
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>,
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<A
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HREF="sdldestroysemaphore.html"
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><TT
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CLASS="FUNCTION"
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>SDL_DestroySemaphore</TT
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></A
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>,
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<A
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HREF="sdlsemwait.html"
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><TT
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CLASS="FUNCTION"
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>SDL_SemWait</TT
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></A
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>,
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<A
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HREF="sdlsemtrywait.html"
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><TT
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CLASS="FUNCTION"
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>SDL_SemTryWait</TT
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></A
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>,
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<A
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HREF="sdlsemwaittimeout.html"
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><TT
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CLASS="FUNCTION"
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>SDL_SemWaitTimeout</TT
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></A
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>,
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<A
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HREF="sdlsempost.html"
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><TT
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CLASS="FUNCTION"
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>SDL_SemPost</TT
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></A
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></P
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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><A
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HREF="sdlsempost.html"
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>Prev</A
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></TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="index.html"
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>Home</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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><A
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HREF="sdlcreatecond.html"
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>Next</A
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></TD
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></TR
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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>SDL_SemPost</TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="thread.html"
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>Up</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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>SDL_CreateCond</TD
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></TR
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></DIV
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> |