lib/core/process.js
function () {
        var suicide = self.suicide;
        self.suicide = false;
        self.alive = false;
        self.emit('stop', suicide);
      }
function () {
        var suicide = self.suicide;
        self.suicide = false;
        self.alive = false;
        self.emit('stop', suicide);
      }
function ( ) { var suicide = self . suicide ; self . suicide = false ; self . alive = false ; self . emit ( 'stop' , suicide ) ; }
handle process stdio close event
handle process stdio close event