1/* 2 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16#ifndef KERNEL_LITE_LOG 17#define KERNEL_LITE_LOG 18 19#ifndef _GNU_SOURCE 20#define _GNU_SOURCE 21#endif 22 23#include <stdio.h> 24#include <unistd.h> 25#include <time.h> 26 27#ifdef __cplusplus 28extern "C" { 29#endif 30 31#ifdef DEBUG 32 const float SYS_NS_PER_S = 1000 * 1000 * 1000; 33 // get current time, for logging only 34 static float GetCurTime(void) 35 { 36 struct timespec time1 = {0, 0}; 37 clock_gettime(CLOCK_MONOTONIC, &time1); 38 return time1.tv_sec + ((float)time1.tv_nsec) / SYS_NS_PER_S; 39 } 40 #define LOGD(format, ...) fprintf(stdout, "[%.06f] " format "\n", GetCurTime(), ##__VA_ARGS__) 41 #define LOG(format, ...) fprintf(stdout, "[%.06f] " format "\n", GetCurTime(), ##__VA_ARGS__) 42#else 43 #define LOGD(...) 44 #define LOG(format, ...) fprintf(stdout, format "\n", ##__VA_ARGS__) 45#endif 46 47#define LOGE(format, ...) fprintf(stdout, "\n%s:%d: " format "\n", __FILE__, __LINE__, ##__VA_ARGS__) 48 49#define PANIC(format, ...) do { \ 50 LOGE(format, ##__VA_ARGS__); \ 51 exit(1); \ 52 } while (0) 53 54 55#ifdef __cplusplus 56} 57#endif 58 59#endif 60