Re^2: Interrupt multi-process program while using MCE::Shared hash: END block code does not (all) run

$SIG{INT} points to MCE::Signal::stop_and_exit by MCE::Signal. Ditto for $SIG{TERM}. Folks can override that if need be like you've done. In that case, the following is needed.

$SIG{'TERM'} = sub {
    if (MCE->wid > 0) {
        # worker
        MCE->exit(0);
    } else {
        # parent
        MCE::Signal::stop_and_exit('TERM');
    }
};
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