I modified the sample code for threads to simulate what I want. It works perfect via CLI but when I incorporate it into my Wx App the process launches and the app locks up. Any ideas? I've included my sample code below:

#!/usr/bin/perl

use strict;
use warnings;

use threads 1.39;
use threads::shared;
use Thread::Queue;

### Global Variables ###

# Maximum working threads
my $MAX_THREADS = 1;

# Flag to inform all threads that application is terminating
my $TERM :shared = 0;

# Prevents double detach attempts
my $DETACHING :shared;

### Signal Handling ###

# Gracefully terminate application on ^C
# or command line 'kill'
$SIG{'INT'} = $SIG{'TERM'} =
    sub {
        print(">>> Terminating <<<\n");
        $TERM = 1;
    };

    DeployThread();

sub DeployThread {
    # Manage the thread pool until signalled to terminate
    while (! $TERM) {
        # Keep max threads running
        for (my $needed = $MAX_THREADS - threads->list();
             $needed && ! $TERM;
             $needed--)
        {
            # New thread
            threads->create('worker');
        }
    }

    # Detach and kill any remaining threads
    foreach my $thr (threads->list()) {
        lock($DETACHING);
        $thr->detach() if ! $thr->is_detached();
    print "Killing " . $thr->tid() . "\n";
        $thr->kill('KILL');
    }

    print("Done\n");
}

# A worker thread
sub worker {

    ### INITIALIZE ###

    # My thread ID
    my $tid = threads->tid();
    printf("Working -> %3d\n", $tid);


    ### WORK ###

    # Do some work while monitoring $TERM
    my $sleep = 5 + int(rand(10));

    my $i = 0;
    while (1) {
    print "Working ...\n";
    sleep 1;
    $i ++;
    last if $i == 5;

    }

    ### DONE ###

    $TERM = 1;

    # Remove signal handler
    $SIG{'KILL'} = sub {};

    # Tell user we're done
    printf("           %3d <- Finished\n", $tid);

    # Detach and terminate
    lock($DETACHING);
    threads->detach() if ! threads->is_detached();
    threads->exit();
}
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