class Cocaine::CommandLine::PosixRunner

Public Class Methods

available?() click to toggle source
# File lib/cocaine/command_line/runners/posix_runner.rb, line 5
def self.available?
  begin
    require 'posix/spawn'
    true
  rescue LoadError => e
    false
  end
end
supported?() click to toggle source
# File lib/cocaine/command_line/runners/posix_runner.rb, line 14
def self.supported?
  available? && !Cocaine::CommandLine.java?
end

Public Instance Methods

call(command, env = {}) click to toggle source
# File lib/cocaine/command_line/runners/posix_runner.rb, line 22
def call(command, env = {})
  input, output = IO.pipe
  pid = spawn(env, command, :out => output)
  output.close
  result = ""
  while partial_result = input.read(8192)
    result << partial_result
  end
  waitpid(pid)
  input.close
  result
end
supported?() click to toggle source
# File lib/cocaine/command_line/runners/posix_runner.rb, line 18
def supported?
  self.class.supported?
end

Private Instance Methods

spawn(*args) click to toggle source
# File lib/cocaine/command_line/runners/posix_runner.rb, line 37
def spawn(*args)
  POSIX::Spawn.spawn(*args)
end
waitpid(pid) click to toggle source
# File lib/cocaine/command_line/runners/posix_runner.rb, line 41
def waitpid(pid)
  Process.waitpid(pid)
end