Class: VagrantPlugins::AVF::ProcessControl

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant_provider_avf/process_control.rb

Instance Method Summary collapse

Instance Method Details

#alive?(process_id) ⇒ Boolean

Returns:

  • (Boolean) 


8
9
10
11
12
13
 
# File 'lib/vagrant_provider_avf/process_control.rb', line 8

def alive?(process_id)
  Process.kill(0, process_id)
  true
rescue Errno::ESRCH
  false
end

#spawn(command, out:, err:) ⇒ Object 



4
5
6
 
# File 'lib/vagrant_provider_avf/process_control.rb', line 4

def spawn(command, out:, err:)
  Process.spawn(*command, in: File::NULL, out: out, err: err, pgroup: true)
end

#stop(process_id, timeout:) ⇒ Object 



15
16
17
18
19
20
21
22
23
24
25
26
 
# File 'lib/vagrant_provider_avf/process_control.rb', line 15

def stop(process_id, timeout:)
  return unless alive?(process_id)

  Process.kill("TERM", process_id)
  deadline = Time.now + timeout
  sleep(0.1) while alive?(process_id) && Time.now < deadline

  return reap(process_id) unless alive?(process_id)

  Process.kill("KILL", process_id)
  reap(process_id)
end