Your script using Thread::Queue: 
package myQueue;

use strictures 1;
use autodie qw/:all/;
use Devel::SimpleTrace;

use threads qw/yield/;
use Thread::Queue;

sub new {
    use strict qw/refs/;
    use warnings;
    
    my $class = shift();
    my (@params) = shift @_;
    return bless(@params, $class);
}

sub work {
    use strict qw/refs/;
    use warnings;
    
    my($pool) = shift @_;
    while ( my (@args) = shift @{ $$pool{'workQueue'}; } ) {
        print "ID=" . threads->self()->tid() . " 
          : WorkQueue = " . @{ $$pool{'workQueue'}; };

        my($code) = shift @args;
        &$code(@args);
    }
}

sub start {
    use strict qw/refs/;
    use warnings;
    
    my($pool) = shift();
    return if $$pool{'jobs'};
    push @{ $$pool{'workQueue'}; }, (undef) x $$pool{'maxThreads'};
    @{ $$pool{'jobs'}; } =
      map( { threads->create( \&work, $pool ); } 
        1 .. $$pool{'maxThreads'} );
}

sub enqueue {
    use strict qw/refs/;
    use warnings;
    
    my ( $pool, $code, @args ) = @_;
    $code = caller() . "::$code" unless ref $code or $code =~ /::/;
    push @{ $$pool{'workQueue'}; }, [ $code, @args ];
}

my $maxThreads = 5;
my @args = @_;
my $pool = Thread::Queue->new(\$maxThreads);
$pool->enqueue($args[0], $args[1]);

my $left = $pool->pending();
print "There are $left items waiting in the queue\n";

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In reply to Re: Implementing Custom ThreadPool by Khen1950fx
in thread Implementing Custom ThreadPool by Anonymous Monk

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