blitz-research
32 lines
657 B
C++
32 lines
657 B
C++
|
|
#include "std.h"
|
|
#include "gxtimer.h"
|
|
#include "gxruntime.h"
|
|
|
|
gxTimer::gxTimer( gxRuntime *rt,int hertz ):
|
|
runtime(rt),ticks_get(0),ticks_put(0){
|
|
event=CreateEvent( 0,false,false,0 );
|
|
timerID=timeSetEvent( 1000/hertz,0,timerCallback,(DWORD)this,TIME_PERIODIC );
|
|
}
|
|
|
|
gxTimer::~gxTimer(){
|
|
timeKillEvent( timerID );
|
|
CloseHandle( event );
|
|
}
|
|
|
|
void CALLBACK gxTimer::timerCallback( UINT id,UINT msg,DWORD user,DWORD dw1,DWORD dw2 ){
|
|
gxTimer *t=(gxTimer*)user;
|
|
++t->ticks_put;
|
|
SetEvent( t->event );
|
|
}
|
|
|
|
int gxTimer::wait(){
|
|
for(;;){
|
|
if( WaitForSingleObject( event,1000 )==WAIT_OBJECT_0 ) break;
|
|
}
|
|
int n=ticks_put-ticks_get;
|
|
ticks_get+=n;
|
|
return n;
|
|
}
|
|
|