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From:	Jason Mills <jmills AT cs DOT mun DOT ca>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: fstream and fflush
Date:	Fri, 22 Oct 2004 18:13:48 -0230
Organization:	Memorial University of Newfoundland
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Hans-Bernhard Broeker wrote:

> Jason Mills <jmills AT cs DOT mun DOT ca> wrote:
> 
>>Hans-Bernhard Broeker wrote:
> 
> 
> [...]
> 
>>for example.
>>2. Perhaps unwisely, I was using stat() to query the file size
>>periodically in order to rotate the log file based on file size.
> 
> 
> Well, fstat() would probably have been wiser in this case.  But the
> main problem is that your program, as you write elsewhere, assumes the
> operating to be Unix, whereas you're actually on DOS.  DJGPP does try
> rather hard to make DOS look and behave very much like Unix, but there
> is a limit to that, and stat() and simultaneous access to the same
> file by two independent system calls is about where that limit is.
> 
> In actuality, fsync() would really have been recommendable on Linux,
> too, for this task --- that you didn't seem to need it was more by
> luck than by design.
> 

Thanks enlightening me. (For some reason, I always assumed flush meant
flush to the disk.....)

Jason

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