This is subclassed from EventMachine::Connection for use with the process monitoring API. Read the documentation on the instance methods of this class, and for a full explanation see EventMachine.watch_process.
Returns the pid that EventMachine.watch_process was originally called with.
# File lib/em/process_watch.rb, line 21 def pid @pid end
Should be redefined with the user’s custom callback that will be fired when the process exits.
#stop_watching is called automatically after this callback
# File lib/em/process_watch.rb, line 34 def process_exited end
Should be redefined with the user’s custom callback that will be fired when the prcess is forked.
There is currently not an easy way to get the pid of the forked child.
# File lib/em/process_watch.rb, line 28 def process_forked end
Discontinue monitoring of the process. This will be called automatically when a process dies. User code may call it as well.
# File lib/em/process_watch.rb, line 39 def stop_watching EventMachine::unwatch_pid(@signature) end