核心代码
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void LogOut(LPCTSTR pFormat, ...){ char LogFile[128]={0}; char str[1024]={0}; FILE** fp=&(ThreadDatas[0].pf); va_list pArg; EnterCriticalSection(&cs_log);//独占访问 __try { SYSTEMTIME st; if(ThreadDatas[0].num>100000)//10W条一个文件 { if(fp) { fclose(*fp); *fp=0; } ThreadDatas[0].num=0; } if(NULL==*fp) { char tstr[20]={0}; //GetSystemTime(&st); GetLocalTime(&st); sprintf(LogFile,".\\logs\\ASR_%04d-%02d-%02d.%02d_%02d_%02d.log",st.wYear,st.wMonth,st.wDay,st.wHour,st.wMinute,st.wSecond); *fp=fopen(LogFile,"a+"); if( NULL==*fp ) { //printf("Create LogFile faile %s\n",LogFile); LogEvent("Create LogFile faile %s",LogFile); return; } //else //LogEvent("Create LogFile %s",LogFile,*fp); } GetLocalTime(&st); sprintf(str,"%04d-%02d-%02d %02d:%02d:%02d.%03d %s",st.wYear,st.wMonth,st.wDay,st.wHour,st.wMinute,st.wSecond,st.wMilliseconds,pFormat); va_start(pArg, pFormat); //fprintf(*fp,chMsg); vfprintf(*fp, str, pArg); va_end(pArg); fflush(*fp); } __except(EXCEPTION_EXECUTE_HANDLER) { LogEvent("Thread Log file Error:%s",LogFile); } LeaveCriticalSection(&cs_log);//释放独占访问} |
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原文链接：https://www.cnblogs.com/lzpong/p/3955901.html
