_ff-addon-snippet-nsIProcessRunAsync - Example of running async and observer

_ff-addon-snippet-nsIProcessRunAsync.js

var exe = FileUtils.getFile('XREExeF', []); //this gives path to executable
var process = Cc['@mozilla.org/process/util;1'].createInstance(Ci.nsIProcess);
process.init(exe);

var obsToLaunchProfAfterCreate = {
    observe: function (aSubject, aTopic, aData) {
        console.info('incoming obsToLaunchProfAfterCreate: aSubject = ' + aSubject + ' | aTopic = ' + aTopic + ' | aData = ' + aData, {
            aSubject: aSubject,
            aTopic: aTopic,
            aData: aData
        });
    }
};

var args = ['-P', 'default2', '-no-remote'];
var a = process.runAsync(args, args.length, obsToLaunchProfAfterCreate);
console.log('a', a)