text: #ifndef SRC_SYSHELP_H_
  #define SRC_SYSHELP_H_
  
  // set self proc and all thread to very high priority, return 0 if success
  int set_high_setpriority();
  
  // bind cpu to given core, return 0 if success
  int set_cpu_affinity(int cpu);
  
  #endif // SRC_SYSHELP_H_
  