#include #include #include "timer.h" void set_itimer_interval_value(struct itimerval *itimer, unsigned long sec, unsigned long usec) { itimer->it_interval.tv_sec = sec; itimer->it_interval.tv_usec = usec; itimer->it_value.tv_sec = sec; itimer->it_value.tv_usec = usec; } int get_user_hz(void) { return sysconf(_SC_CLK_TCK); }