Class: PS::Process

Inherits:
Object
  • Object
show all
Defined in:
lib/ps/process.rb

Instance Method Summary collapse

Constructor Details

#initialize(data) ⇒ Process

Returns a new instance of Process.



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# File 'lib/ps/process.rb', line 16

def initialize data
  @data = {}

  data.each do |key,value|
    @data[key] = case value
    when /^\-?\d+$/
      value.to_i
    when /^\-?\d+\.\d+$/
      value.to_f
    else
      value.strip
    end
  end
end

Instance Method Details

#alive? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ps/process.rb', line 43

def alive?
  return unless pid
  ::Process.getpgid(pid)
  true
rescue Errno::ESRCH
  false
end

#display ⇒ Object 



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# File 'lib/ps/process.rb', line 51

def display
  disp = []
  disp << pid
  disp << user
  disp << lstart
  disp << pcpu
  disp << pmem
  disp << mem
  disp << command
  disp.compact.join(' ')
end

#has ⇒ Object 



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# File 'lib/ps/process.rb', line 35

def has
  @data.keys
end

#include?(value) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ps/process.rb', line 31

def include? value
  @data.has_key?(value.to_s)
end

#kill!(sig = nil) ⇒ Object 



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# File 'lib/ps/process.rb', line 63

def kill!(sig=nil)
  sig ||= 'INT'
  ::Process.kill(sig, pid) if pid
end

#mem ⇒ Object 



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# File 'lib/ps/process.rb', line 39

def mem
  rss/1024.0 if rss
end