boost时间间隔程序

boost :: posix_time :: ptime time_now_start = boost :: posix_time :: microsec_clock :: universal_time ();

boost :: posix_time :: ptime time_now_end = boost :: posix_time :: microsec_clock :: universal_time ();

boost :: posix_time :: millisec_posix_time_system_config :: time_duration_type time_elapse = time_now_end - time_now_start ;

int ticks = time_elapse . ticks ();

int mili_sec = time_elapse . total_milliseconds ();

printf ( "interval time: %d\n" , mili_sec );