Class: Bidi2pdf::ProcessTree

Inherits:
Object
  • Object
show all
Includes:
Sys
Defined in:
lib/bidi2pdf/process_tree.rb

Instance Method Summary collapse

Constructor Details

#initialize(root_pid = nil) ⇒ ProcessTree

Returns a new instance of ProcessTree.



8
9
10
11
12
 
# File 'lib/bidi2pdf/process_tree.rb', line 8

def initialize(root_pid = nil)
  @root_pid = root_pid
  @process_map = build_process_map
  connect_children
end

Instance Method Details

#children(of_pid) ⇒ Object 



14
15
16
17
18
19
20
21
22
 
# File 'lib/bidi2pdf/process_tree.rb', line 14

def children(of_pid)
  return [] unless @process_map[of_pid]

  direct_children = @process_map[of_pid][:children].map do |child_pid|
    @process_map[child_pid][:info]
  end

  (direct_children + direct_children.flat_map { |child| children(child.pid) }).uniq
end

#traverse(&handler) ⇒ Object 



24
25
26
27
28
 
# File 'lib/bidi2pdf/process_tree.rb', line 24

def traverse(&handler)
  handler = method(:print_handler) unless handler.is_a?(Proc)

  root_pids.each { |pid| traverse_branch(pid, &handler) }
end