kill application from other application on ios 6 using void kill dont work

Question

i got jailbreak iphone ios 6

in my tweak on ios 4&5 I used (void) kill to close other app running in the background. this is my code:

Answer 1

How about good old "kill(pid, signal);"?

If you have appropriate (root?) privileges, it should work for you.

Answer 2

Assuming the second app is yours, you could open the second app with openURL and have it kill itself in the App Delegate callback.

Answer 3

Just to expand on Victors answer a bit... you want to get the pid from the application and if it is greater than 0(a valid pid), kill it with either SIGTERM(Nicer, though it's not guaranteed to kill it) or SIGKILL(Forceful Termination)

SBApplicationController *appController = [objc_getClass("SBApplicationController") sharedInstance];
SBApplication *app = [appController applicationWithDisplayIdentifier:appId];
if (app.pid > 0)
    kill(app.pid, SIGTERM);

Info About Termination Signals: http://www.gnu.org/software/libc/manual/html_node/Termination-Signals.html