1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #include "TimeUtils.h" 17 18 #ifdef _WIN32 19 #include <windows.h> 20 #include <time.h> 21 #include <stdio.h> 22 #elif defined(__linux__) 23 #include <stdlib.h> 24 #include <sys/time.h> 25 #include <time.h> 26 #include <unistd.h> 27 #else 28 #include <sys/time.h> 29 #include <unistd.h> 30 #endif 31 GetCurrentTimeMS()32 long long GetCurrentTimeMS() 33 { 34 #ifdef _WIN32 35 static LARGE_INTEGER freq; 36 static bool bNotInit = true; 37 if ( bNotInit ) { 38 bNotInit = (QueryPerformanceFrequency( &freq ) == FALSE); 39 } 40 LARGE_INTEGER currVal; 41 QueryPerformanceCounter( &currVal ); 42 43 return currVal.QuadPart / (freq.QuadPart / 1000); 44 45 #elif defined(__linux__) 46 47 struct timespec now; 48 clock_gettime(CLOCK_MONOTONIC, &now); 49 long long iDiff = (now.tv_sec * 1000LL) + now.tv_nsec/1000000LL; 50 return iDiff; 51 52 #else /* Others, e.g. OS X */ 53 54 struct timeval now; 55 gettimeofday(&now, NULL); 56 long long iDiff = (now.tv_sec * 1000LL) + now.tv_usec/1000LL; 57 return iDiff; 58 59 #endif 60 } 61 TimeSleepMS(int p_mili)62 void TimeSleepMS(int p_mili) 63 { 64 #ifdef _WIN32 65 Sleep(p_mili); 66 #else 67 usleep(p_mili * 1000); 68 #endif 69 } 70