Use KERN_PROCARGS2 for process name in tab title
See https://groups.google.com/forum/#!topic/iterm2-discuss/bG6b1CEoWn0 for more discussion on this. iTerm2 currently uses p_comm, but it doesn't seem possible for a process to set that.
See https://groups.google.com/forum/#!topic/iterm2-discuss/bG6b1CEoWn0 for more discussion on this. iTerm2 currently uses p_comm, but it doesn't seem possible for a process to set that.