Method: Clasp::LockManager#lock

Defined in:
lib/clasp/lock_manager.rb

#lock(identifier) ⇒ undefined

Obtains the lock for the given identifier

Parameters:

  • identifier (Object)

Returns:

  • (undefined)

Raises:

  • (LockAcquisitonError) —

    If the lock could not be acquired, usually due to deadlock



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# File 'lib/clasp/lock_manager.rb', line 15

def lock(identifier)
  obtained = false
  until obtained
    lock = @locks.compute_if_absent(identifier) {
      DisposableLock.new(self, identifier)
    }
    obtained = lock.lock
    unless obtained
      @locks.delete_pair(identifier, lock)
    end
  end
end