#define XranIncrementSymIdx(sym_idx, numSymPerMs) (((uint32_t)sym_idx >= (((uint32_t)numSymPerMs * MSEC_PER_SEC) - 1)) ? 0 : (uint32_t)sym_idx+1)
#define XranDecrementSymIdx(sym_idx, numSymPerMs) (((uint32_t)sym_idx == 0) ? (((uint32_t)numSymPerMs * MSEC_PER_SEC)) - 1) : (uint32_t)sym_idx-1)
-long poll_next_tick(long interval_ns);
+uint64_t xran_tick(void);
+unsigned long get_ticks_diff(unsigned long curr_tick, unsigned long last_tick);
+long poll_next_tick(long interval_ns, unsigned long *used_tick);
long sleep_next_tick(long interval);
int timing_set_debug_stop(int value, int count);
int timing_get_debug_stop(void);