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?
  require 'posix/spawn'
  true
rescue LoadError
  false
end
supported?() click to toggle source
# File lib/cocaine/command_line/runners/posix_runner.rb, line 12
def self.supported?
  available? && !OS.java?
end

Public Instance Methods

call(command, env = {}, options = {}) click to toggle source
# File lib/cocaine/command_line/runners/posix_runner.rb, line 20
def call(command, env = {}, options = {})
  input, output = IO.pipe
  options[:out] = output
  pid = spawn(env, command, options)
  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 16
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 36
def spawn(*args)
  POSIX::Spawn.spawn(*args)
end
waitpid(pid) click to toggle source
# File lib/cocaine/command_line/runners/posix_runner.rb, line 40
def waitpid(pid)
  Process.waitpid(pid)
end