The systhread_timerset function starts or resets the interrupt timer interval for a thread system.
Because most systems don’t allow the timer interval to be changed, this function should be considered a suggestion rather than a command.
void systhread_timerset(int usec);
void
int usec is the time, in microseconds
systhread_current, systhread_getdata, systhread_newkey, systhread_setdata, systhread_sleep, systhread_start