Here's some working queuer/consumer code based on
Thread::Queue. Hope it helps.~
#!/usr/bin/perl
use threads;
use threads::shared;
use Thread::Queue;
my $q : shared;
use constant FINISH => 'finish';
main();
exit 0;
sub main {
$q = Thread::Queue->new();
my $queuer = threads->create('queuer', 10);
my $worker = threads->create('worker');
$queuer->join;
$worker->join;
print "main thread finished\n";
}
sub queuer {
my $numItems = shift;
my $str = "foo";
while ($numItems-- > 0) {
print "queueing $str\n";
$q->enqueue($str);
$str++;
sleep 1;
}
$q->enqueue(FINISH);
print "queuer finished\n";
}
sub worker {
DOING_WORK:
while (1) {
while (my $pending = $q->pending) {
my $str = $q->dequeue;
print "worker found $pending items, got $str\n";
last DOING_WORK if $str eq FINISH;
}
sleep 3;
}
print "worker finished\n";
}