question: call when the operation is completed or errors out , or is aborted , etc. . concode_field_sep int count_ concode_elem_sep boolean released_ concode_elem_sep HandlerManager handlers_ concode_field_sep void addBarrierReleasedHandler concode_elem_sep Token acquire
target: void function ( ) { if ( ! released_ ) { released_ = true ; Barrier . this . release ( ) ; } }