Re: Closing some 8.4 open items - Mailing list pgsql-hackers

Dave Page wrote:
> On Wednesday, April 8, 2009, Josh Berkus <josh@agliodbs.com> wrote:
>> Presumably fadvise is useless on Windows.  Anyone know?
> 
> It is.

cygwin supports POSIX_FADV_SEQUENTIAL (and POSIX_FADV_NORMAL to revert 
it), but not any of the other flags. It maps it to 
NtSetInformationFile() like this:

>       if (advice == POSIX_FADV_SEQUENTIAL)
>         fmi.Mode |= FILE_SEQUENTIAL_ONLY;
>       status = NtSetInformationFile (get_handle (), &io, &fmi, sizeof fmi,
>                                      FileModeInformation);

--   Heikki Linnakangas  EnterpriseDB   http://www.enterprisedb.com