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clevermous |
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>SDL_DestroySemaphore |
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NAME="GENERATOR" |
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CONTENT="Modular DocBook HTML Stylesheet Version 1.64 |
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"> |
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REL="HOME" |
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TITLE="SDL Library Documentation" |
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HREF="index.html"> |
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REL="UP" |
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TITLE="Multi-threaded Programming" |
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HREF="thread.html"> |
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REL="PREVIOUS" |
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TITLE="SDL_CreateSemaphore" |
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HREF="sdlcreatesemaphore.html"> |
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REL="NEXT" |
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TITLE="SDL_SemWait" |
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HREF="sdlsemwait.html"> |
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CLASS="REFENTRY" |
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BGCOLOR="#FFF8DC" |
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TEXT="#000000" |
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LINK="#0000ee" |
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VLINK="#551a8b" |
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ALINK="#ff0000" |
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>SDL Library Documentation |
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WIDTH="10%" |
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ALIGN="left" |
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VALIGN="bottom" |
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HREF="sdlcreatesemaphore.html" |
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>Prev |
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WIDTH="80%" |
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WIDTH="10%" |
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ALIGN="right" |
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VALIGN="bottom" |
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HREF="sdlsemwait.html" |
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>Next |
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ALIGN="LEFT" |
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WIDTH="100%"> |
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NAME="SDLDESTROYSEMAPHORE" |
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>SDL_DestroySemaphore |
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CLASS="REFNAMEDIV" |
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NAME="AEN7433" |
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>Name |
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>SDL_DestroySemaphore -- Destroys a semaphore that was created by |
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HREF="sdlcreatesemaphore.html" |
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>SDL_CreateSemaphore |
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>. |
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CLASS="REFSYNOPSISDIV" |
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NAME="AEN7437" |
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>Synopsis |
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CLASS="FUNCSYNOPSIS" |
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NAME="AEN7438" |
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CLASS="FUNCSYNOPSISINFO" |
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>#include "SDL.h" |
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#include "SDL_thread.h" |
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>
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>
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CLASS="FUNCDEF" |
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>void |
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CLASS="FSFUNC" |
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>SDL_DestroySemaphore |
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>(SDL_sem *sem); |
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CLASS="REFSECT1" |
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NAME="AEN7444" |
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>Description |
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CLASS="FUNCTION" |
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>SDL_DestroySemaphore |
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> destroys the semaphore pointed to |
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by |
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CLASS="PARAMETER" |
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>sem |
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> that was created by |
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HREF="sdlcreatesemaphore.html" |
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CLASS="FUNCTION" |
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>SDL_CreateSemaphore |
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> |
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>. |
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It is not safe to destroy a semaphore if there are threads currently blocked |
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waiting on it. |
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CLASS="REFSECT1" |
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NAME="AEN7451" |
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> |
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>Examples |
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CLASS="PROGRAMLISTING" |
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>if (my_sem != NULL) { |
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SDL_DestroySemaphore(my_sem); |
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my_sem = NULL; |
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} |
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CLASS="REFSECT1" |
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NAME="AEN7455" |
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>See Also |
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HREF="sdlcreatesemaphore.html" |
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CLASS="FUNCTION" |
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>SDL_CreateSemaphore |
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>, |
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HREF="sdlsemwait.html" |
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CLASS="FUNCTION" |
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>SDL_SemWait |
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>, |
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HREF="sdlsemtrywait.html" |
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CLASS="FUNCTION" |
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>SDL_SemTryWait |
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>, |
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HREF="sdlsemwaittimeout.html" |
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CLASS="FUNCTION" |
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>SDL_SemWaitTimeout |
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>, |
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HREF="sdlsempost.html" |
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CLASS="FUNCTION" |
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>SDL_SemPost |
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>, |
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HREF="sdlsemvalue.html" |
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CLASS="FUNCTION" |
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>SDL_SemValue |
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> |
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CLASS="NAVFOOTER" |
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>
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ALIGN="LEFT" |
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WIDTH="100%"> |
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> |
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> |
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> |
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> |