On 2013-05-30 08:53:37 -0400, Stephen Frost wrote: > * Andres Freund (and...@2ndquadrant.com) wrote: > > But really, I am not at all concerned about some obscure values being > > returned, but about a read() not being successful.. > > Alright, so what do we need to do to test this? We really just need a > short C program written up and then a bunch of folks to run it on > various architectures, right?
After a bit of standard perusing writing a single byte to the end of the file after the fallocate ought to make at least the reading guaranteed to be defined. If we did seek(last_byte); write(); posix_fallocate() we should even always have defined content. Yuck. Greetings, Andres Freund -- Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (email@example.com) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers