Hubert Feyrer <hubert.feyrer@informatik.fh-regensburg.de> writes:

> What's the idea behind this? Why force the machine to write out
> everything, bypassing buffer cache and whatnot?

Because it's going to do that anyway like microseconds later, but
without getting the timing wrong, and actually catching delayed write
errors.

You could use close() instead.

/Johan