Michael Fabian 'Xaymar' Dirks
32 lines
663 B
C++
32 lines
663 B
C++
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#include "std.hpp"
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#include "gxtimer.hpp"
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#include "gxruntime.hpp"
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gxTimer::gxTimer( gxRuntime *rt,int hertz ):
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runtime(rt),ticks_get(0),ticks_put(0){
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event=CreateEvent( 0,false,false,0 );
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timerID=timeSetEvent( 1000/hertz,0,timerCallback,(DWORD)this,TIME_PERIODIC );
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}
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gxTimer::~gxTimer(){
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timeKillEvent( timerID );
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CloseHandle( event );
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}
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void CALLBACK gxTimer::timerCallback( UINT id,UINT msg,DWORD user,DWORD dw1,DWORD dw2 ){
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gxTimer *t=(gxTimer*)user;
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++t->ticks_put;
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SetEvent( t->event );
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}
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int gxTimer::wait(){
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for(;;){
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if( WaitForSingleObject( event,1000 )==WAIT_OBJECT_0 ) break;
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}
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int n=ticks_put-ticks_get;
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ticks_get+=n;
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return n;
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}
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