00001 /*------------------------------------------------------------------------ 00002 *--------------------- WMPSNIFFER -------------------- 00003 *------------------------------------------------------------------------ 00004 * V7.0B 11/05/10 00005 * 00006 * 00007 * File: time.cc 00008 * Authors: Danilo Tardioli 00009 * ---------------------------------------------------------------------- 00010 * Copyright (C) 2000-2012, Universidad de Zaragoza, SPAIN 00011 * 00012 * Contact Addresses: Danilo Tardioli dantard@unizar.es 00013 * 00014 * RT-WMP is free software; you can redistribute it and/or modify it 00015 * under the terms of the GNU General Public License as published by the 00016 * Free Software Foundation; either version 2, or (at your option) any 00017 * later version. 00018 * 00019 * RT-WMP is distributed in the hope that it will be useful, but 00020 * WITHOUT ANY WARRANTY; without even the implied warranty of 00021 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00022 * General Public License for more details. 00023 * 00024 * You should have received a copy of the GNU General Public License 00025 * distributed with RT-WMP; see file COPYING. If not, write to the 00026 * Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 00027 * 02111-1307, USA. 00028 * 00029 * As a special exception, if you link this unit with other files to 00030 * produce an executable, this unit does not by itself cause the 00031 * resulting executable to be covered by the GNU General Public License. 00032 * This exception does not however invalidate any other reasons why the 00033 * executable file might be covered by the GNU Public License. 00034 * 00035 *----------------------------------------------------------------------*/ 00036 00037 #include <time.h> 00038 #include <sys/time.h> 00039 00040 static unsigned int initialized = 0, timeZero = 0; 00041 00042 unsigned long getActualTimeus() { 00043 long timer = 0; 00044 if (!initialized) { 00045 initialized = 1; 00046 struct timeval tv; 00047 gettimeofday(&tv, 0); 00048 unsigned long long tmp = (tv.tv_sec)*1000000LL; 00049 tmp += tv.tv_usec; 00050 timeZero = tmp; 00051 } 00052 struct timeval tv; 00053 gettimeofday(&tv, 0); 00054 unsigned long long tmp = (tv.tv_sec)*1000000LL; 00055 tmp += tv.tv_usec; 00056 tmp = tmp - timeZero; 00057 timer = (long) (tmp); 00058 return timer; 00059 } 00060 #include <stdio.h> 00061 #include <time.h> 00062 00063 #include <linux/sched.h> 00064 unsigned long long getRawActualTimeus() { 00065 struct timeval tv; 00066 gettimeofday(&tv, 0); 00067 unsigned long long tim1=tv.tv_sec; 00068 tim1*=1000000; 00069 tim1+=tv.tv_usec; 00070 return tim1; 00071 }