$ signal-test


child: Not_paused
child: Not_paused
child: Not_paused
child: Not_paused
child: Not_paused
child: Not_paused
child: Not_paused
child: Not_paused
child: Not_paused
parent: sending pause signal to child 
parent: sending continue signal to child 
child: Not_paused
child: Not_paused
child: Not_paused
child: Not_paused
child: Not_paused
child: Not_paused
child: Not_paused
child: Not_paused
child: Not_paused
child: Not_paused
parent: sending kill signal to child 
parent: child has terminated 
$ 