Kill all pids in the map.
Reap all pids by calling wait on them.
Split a PidMap so each map have one top pid as the root.
Update the executable of all pids in the map
See Source File
Boost Software License 1.0
Copyright (c) 2020, Joakim Brännström. All rights reserved.
Joakim Brännström (joakim.brannstrom@gmx.com)