use Monitor;

[download]
plus 
package Monitor;

BEGIN {
   ...
}

END {
   ...
}

$SIG{__DIE__} = sub {
   die $@ if $^S;
   ...
};

$SIG{__WARN__} = sub {
   ...
};

1;

[download]

References:

In reply to Re: logging, to include unhandled exceptions by ikegami
in thread logging, to include unhandled exceptions by klassa

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