use warnings;
use feature 'say';
use MCE::Hobo;
use MCE::Shared;

# use IO::Handle;  # <-- loaded automatically by MCE before spawning

MCE::Hobo->init( posix_exit => 1 );

my $q = MCE::Shared-> queue;

my @gang = map mce_async( sub {
    while ( defined( my $f = $q-> dequeue )) {
        require Compress::Zlib;
        say MCE::Hobo-> tid;
    }
}), 1 .. 8;

$q-> enqueue( $_ ) for 1 .. 8;
$q-> end;

$_-> join for @gang;