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11.13.2003 at 01:04PM PST, ID: 20797393
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9.6

Fastest way for writing in text files in a MultiThreading application

Asked by cero in C++ Programming Language

Tags: , , , ,

Hi,

I have an application that logs information into a text file, there are multiple threads in the file logging information. Sometimes when the application starts a high load, some entries are not logged in the file, but I have tested that errors happens only in the logging, because the missed entries are recorded in a database, for example.

so, I'm looking for the fastest way to lock this file and save the information, by now I'm using CreateFile like this, without sharing for locking automatically :


      m_hFile = CreateFile
      (
      myFileName,
      GENERIC_WRITE,
      0,
      NULL,
      OPEN_ALWAYS,
      FILE_ATTRIBUTE_NORMAL,
      NULL
      );

The file is created hourly, in the name of the file is the date including current hour.

Environment:
Visual C++ 6.0
Windows 2000 AS

What is the better way for doing this? maybe with fopen, fprintf or fwrite, with mutexes or a critical section?  

thanks in advance

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[+][-]11.13.2003 at 01:14PM PST, ID: 9742800

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About this solution

Zone: C++ Programming Language
Tags: file, fastest, write, way, text
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Solution Provided By: jkr
Participating Experts: 2
Solution Grade: A
 
 
[+][-]02.01.2004 at 02:45PM PST, ID: 10249148

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[+][-]02.01.2004 at 07:08PM PST, ID: 10249895

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