add:  dfd.cancel(); 
context: 			dojo.forEach(_inFlight, function(tif, arrIdx){				if(!tif){ return; }				var dfd = tif.dfd;				try{					if(!dfd || dfd.canceled || !tif.validCheck(dfd)){						_inFlight.splice(arrIdx, 1); return;					}					if(tif.ioCheck(dfd)){						_inFlight.splice(arrIdx, 1); // clean refs						tif.resHandle(dfd);					}else if(dfd.startTime){						//did we timeout?						if(dfd.startTime + (dfd.ioArgs.args.timeout||0) < now){							//Stop the request.							dfd.cancel();							_inFlight.splice(arrIdx, 1); // clean refs							var err = new Error("timeout exceeded");							err.dojoType = "timeout";							dfd.errback(err);						}					}				}catch(e){					// FIXME: make sure we errback!					console.debug(e);					dfd.errback(new Error("_watchInFlightError!"));				}			});
meta: 4497	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4497/4167c0bc08a4621cce8551ca07d35004da9750d5/xhr.js/clean/_base/xhr.js