Detach postmaster from calling process group with setsid()

When Who What
2019-01-14 12:54:21 Heikki Linnakangas (heikki) Closed in commitfest 2019-01 with status: Committed
2019-01-14 12:54:21 Heikki Linnakangas (heikki) Changed committer to heikki
2019-01-13 21:08:08 Tom Lane (tgl) New status: Ready for Committer
2019-01-13 21:08:04 Tom Lane (tgl) Added tgl as reviewer
2018-12-31 08:40:26 Heikki Linnakangas (heikki) Changed authors to Heikki Linnakangas (heikki)
2018-12-31 08:39:48 Heikki Linnakangas (heikki) Attached mail thread CAEET0ZH5Bf7dhZB3mYy8zZQttJrdZg_0Wwaj0o1PuuBny1JkEw@mail.gmail.com
2018-12-31 08:39:48 Heikki Linnakangas (heikki) Created patch record