Re: more contrib: log rotator

Peter Eisentraut writes:
> I think not. It's a little tricky handling it directly in the child
> processes, but it's been done before.

Certainly has...

In the cfengine2 code base, the relevant file is "rotate.c"; it
essentially attaches the file descriptor to a new file "on the fly," and
does so as a separate process. The code apparently works on NT, too;
there is a comment that indicates that they use chown() rather than
fchown() because the latter doesn't exist on NT.

In fact, that file is well worth taking a look at for strategies on
this. It's GPLed code, and so may not be suitable for integration, but
there are doubtless some useful techniques to be seen...
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