Method: ActiveSupport::IsolatedExecutionState.share_with

Defined in:
lib/active_support/isolated_execution_state.rb

.share_with(other, except: [], &block) ⇒ Object 



58
59
60
61
62
63
64
65
66
67
68
69
70
71
 
# File 'lib/active_support/isolated_execution_state.rb', line 58

def share_with(other, except: [], &block)
  # Action Controller streaming spawns a new thread and copy thread locals.
  # We do the same here for backward compatibility, but this is very much a hack
  # and streaming should be rethought.
  if state = other.active_support_execution_state
    copied_state = state.dup
    Array(except).each { |key| copied_state.delete(key) }
  end

  old_state, context.active_support_execution_state = context.active_support_execution_state, copied_state
  block.call
ensure
  context.active_support_execution_state = old_state
end