On Mon, May 2, 2016 at 7:36 AM, Robert Haas <robertmh...@gmail.com> wrote: > On Wed, Apr 27, 2016 at 7:07 AM, Anastasia Lubennikova > <a.lubennik...@postgrespro.ru> wrote: >> Hi, hackers. >> There's a couple of questions about processes. >> >> I found EXEC_BACKEND flag, while reading the code. >> As I understood, it exists because we have to emulate fork() on WIN32. >> And also it allows to debug the same behavior on Linux. >> Is it right? Are there any other use cases? > > Right. Or, more precisely, we can't really emulate fork(), so we have > to make due with what's available on Windows, which is basically > exec().
There is library out there, unfortunately GPL licensed, that attempts to fully implement posix including fork(): http://midipix.org/. One of these days I'd like to have a go at porting postgres to it. Maybe one day we can get rid of all that exec backend stuff :-). merlin -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers