sqInt ioRelinquishProcessorForMicroseconds(sqInt microSeconds) {
//API Documented
/* This operation is platform dependent. */
#pragma unused(microSeconds)
sqInt realTimeToWait,now,next;
extern sqInt getNextWakeupTick(void); //This is a VM Callback
extern sqInt setInterruptCheckCounter(sqInt value); //This is a VM Callback
setInterruptCheckCounter(0);
now = ioMSecs();
next = getNextWakeupTick();
/*BUG??? what if clock wraps? */
if (next <= now)
if (next == 0)
realTimeToWait = 16;
else {
return 0;
}
else
realTimeToWait = next - now;
aioSleep((int) realTimeToWait*1000);
return 0;
}
int ioRelinquishProcessorForMicroseconds(int microSeconds) {
/* This operation is platform dependent. */
long realTimeToWait,now;
extern int getNextWakeupTick();
now = (ioMSecs() & MillisecondClockMask);
if (getNextWakeupTick() <= now)
if (getNextWakeupTick() == 0)
realTimeToWait = microSeconds;
else {
return 0;
}
else
realTimeToWait = (getNextWakeupTick() - now) * 1000;
aioSleepForUsecs(realTimeToWait);
return 0;
}
sqInt ioRelinquishProcessorForMicroseconds(sqInt us)
{
int nwt= getNextWakeupTick();
int ms= 0;
if (nwt)
{
int now= (ioMSecs() & 0x1fffffff);
ms= ((nwt <= now) ? (1000/60) : nwt - now);
}
dpy->ioRelinquishProcessorForMicroseconds(ms*1000);
setInterruptCheckCounter(0);
return 0;
}
