How can I silence the "Terminated" message when my command is killed by timeout?

Question

By referencing bash: silently kill background function process and Timeout a command in bash without unnecessary delay, I wrote my own script to set a timeout for a command, as well as silencing the kill message.

But I still am getting a "Terminated" message when my process gets killed. What's wrong with my code?

#!/bin/bash
silent_kill() {
    kill $1 2>/dev/null
    wait $1 2>/dev/null
}
timeout() {
    limit=$1 #timeout limit
    shift
    command=$* #command to run
    interval=1 #default interval between checks if the process is still alive
    delay=1 #default delay between SIGTERM and SIGKILL
    (
        ((t = limit))
        while ((t > 0)); do
            sleep $interval;
            #kill -0 $$ || exit 0
            ((t -= interval))
        done
        silent_kill $$
        #kill -s SIGTERM $$ && kill -0 $$ || exit 0 
        sleep $delay
        #kill -s SIGKILL $$
    ) &> /dev/null &
    exec $*
}
timeout 1 sleep 10

Answer 1

There's nothing wrong with your code, that "Terminated" message doesn't come from your script but from the invoking shell (the one you launch your script from).

You can deactivate if by disabling job control:

$ set +m
$ bash <your timeout script>