Function check_procs::filter_procs

pub(crate) fn filter_procs<'m>(
    re: &Option<Regex>, 
    states: &[State], 
    procs: &'m ProcMap
) -> Vec<(&'m Pid, &'m Process)>

Filter to processes that match the condition

The condition is:

• Does not match me or my parent process
• Does match the regex, if it is present
• Does match any of the states