/**
* Configure the task's timer to fire an event at every periodic
* interval that corresponds to the task's period.
*/
void Task::configureTimer()
{
// Initialize the timer thread to invoke a function when it expires
SIGEV_THREAD_INIT(&event, &taskTimerExpired, this, 0);
// Configure the timer parameters (period signals only)
timerSpec.it_value.tv_sec = 0;
timerSpec.it_value.tv_nsec = 1;
timerSpec.it_interval.tv_sec = 0;
timerSpec.it_interval.tv_nsec = periodTime * NS_PER_MS;
}
static const struct sigevent *
md_intr(void *d, int id) {
struct mdriver_entry *md = d;
int r;
if(md->intr != _NTO_INTR_SPARE) {
InterruptDisable();
r = md->handler(MDRIVER_PROCESS, md->data);
InterruptEnable();
if(r != 0) {
md->intr = _NTO_INTR_SPARE;
SIGEV_THREAD_INIT(&sigev, md_detach, md, &attr);
return &sigev;
}
}
return NULL;
}
