Method: Spitball::FileLock#acquire_lock

Defined in:
lib/spitball/file_lock.rb

#acquire_lock ⇒ Object 



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# File 'lib/spitball/file_lock.rb', line 11

def acquire_lock
  File.open(pre_lock_path, 'w') {|f| f.write Process.pid }
  system "ln #{pre_lock_path} #{path} > /dev/null 2>&1"
  File.read(path).to_i == Process.pid
ensure
  FileUtils.rm_f pre_lock_path
end