> > We have the following warning on Windows:
> > pgarch.c:349: warning: implicit declaration of function `sleep'
>
> > To fix it we could include the right header (which appears to be
> > <stdlib.h> in the Windows/Mingw case), or we could replace
> the call by
> > a call to pg_usleep().
>
> <stdlib.h> is included automatically by c.h, so that surely
> won't fix it.
>
> I have some recollection that we invented pg_usleep in part
> because we wanted to not use sleep() at all in the backend,
> but I don't recall why (and the reasoning might not apply to
> the archiver process, anyway).
win32 signal handling won't interrupt sleep(), just pg_usleep().
//Magnus
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