Method: God::Process#spawn

Defined in:
lib/god/process.rb

#spawn(command) ⇒ Object

Fork/exec the given command, returns immediately

+command+ is the String containing the shell command

Returns nothing



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# File 'lib/god/process.rb', line 274

def spawn(command)
  fork do
    uid_num = Etc.getpwnam(self.uid).uid if self.uid
    gid_num = Etc.getgrnam(self.gid).gid if self.gid

    ::Dir.chroot(self.chroot) if self.chroot
    ::Process.setsid
    ::Process.groups = [gid_num] if self.gid
    ::Process::Sys.setgid(gid_num) if self.gid
    ::Process::Sys.setuid(uid_num) if self.uid
    Dir.chdir "/"
    $0 = command
    STDIN.reopen "/dev/null"
    if self.log_cmd
      STDOUT.reopen IO.popen(self.log_cmd, "a") 
    else
      STDOUT.reopen file_in_chroot(self.log), "a"        
    end
    STDERR.reopen STDOUT
    
    # close any other file descriptors
    3.upto(256){|fd| IO::new(fd).close rescue nil}

    if self.env && self.env.is_a?(Hash)
      self.env.each do |(key, value)|
        ENV[key] = value
      end
    end

    exec command unless command.empty?
  end
end