While the debugger is running, ignore SIGINT (since the debugger handles it and we don't want ios-sim to exit) and handle SIGCHLD by exiting so ios-sim doesn't outlive the debugger.
While the debugger is running, ignore SIGINT (since the debugger handles it and we don't want ios-sim to exit) and handle SIGCHLD by exiting so ios-sim doesn't outlive the debugger.

dpogue/ios-sim,cra5370/ios-sim,dpogue/ios-sim,cra5370/ios-sim,phonegap/ios-sim