class Cocaine::CommandLine::ProcessRunner

Public Class Methods

available?() click to toggle source
# File lib/cocaine/command_line/runners/process_runner.rb, line 5
def self.available?
  Process.respond_to?(:spawn)
end
supported?() click to toggle source
# File lib/cocaine/command_line/runners/process_runner.rb, line 9
def self.supported?
  available? && !Cocaine::CommandLine.java?
end

Public Instance Methods

call(command, env = {}) click to toggle source
# File lib/cocaine/command_line/runners/process_runner.rb, line 17
def call(command, env = {})
  input, output = IO.pipe
  pid = spawn(env, command, :out => output)
  output.close
  result = input.read
  waitpid(pid)
  input.close
  result
end
supported?() click to toggle source
# File lib/cocaine/command_line/runners/process_runner.rb, line 13
def supported?
  self.class.supported?
end

Private Instance Methods

spawn(*args) click to toggle source
# File lib/cocaine/command_line/runners/process_runner.rb, line 29
def spawn(*args)
  Process.spawn(*args)
end
waitpid(pid) click to toggle source
# File lib/cocaine/command_line/runners/process_runner.rb, line 33
def waitpid(pid)
  begin
    Process.waitpid(pid)
  rescue Errno::ECHILD => e
    # In JRuby, waiting on a finished pid raises.
  end
end