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>SDL Library Documentation<
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NAME="SDLSEMPOST"
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>SDL_SemPost -- Unlock a semaphore.<
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>#include "SDL.h"
#include
"SDL_thread.h"<
/PRE
CLASS="FUNCDEF"
CLASS="FSFUNC"
CLASS="REFSECT1"
NAME="AEN7631"
CLASS="FUNCTION"
> unlocks the semaphore pointed to by
CLASS="PARAMETER"
> and atomically increments the semaphores value.
Threads that were blocking on the semaphore may be scheduled after this call
CLASS="FUNCTION"
> should be called after a semaphore is locked by a successful call to
HREF="sdlsemwait.html"
>,
HREF="sdlsemtrywait.html"
> or
HREF="sdlsemwaittimeout.html"
CLASS="REFSECT1"
NAME="AEN7641"
CLASS="RETURNVALUE"
> if successful or
CLASS="RETURNVALUE"
> if there was an error
(leaving the semaphore unchanged
).<
/P
CLASS="REFSECT1"
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>SDL_SemPost
(my_sem
);<
/PRE
CLASS="REFSECT1"
NAME="AEN7650"
HREF="sdlcreatesemaphore.html"
CLASS="FUNCTION"
>,
HREF="sdldestroysemaphore.html"
CLASS="FUNCTION"
>SDL_DestroySemaphore<
/TT
>,
HREF="sdlsemwait.html"
CLASS="FUNCTION"
>,
HREF="sdlsemtrywait.html"
CLASS="FUNCTION"
>,
HREF="sdlsemwaittimeout.html"
CLASS="FUNCTION"
>,
HREF="sdlsemvalue.html"
CLASS="FUNCTION"
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>