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use strict;
use warnings;
BEGIN {
if ($ENV{'PERL_CORE'}){
chdir('t');
unshift(@INC, '../lib');
}
use Config;
if (! $Config{'useithreads'}) {
print("1..0 # SKIP Perl not compiled with 'useithreads'\n");
exit(0);
}
}
use threads;
use Thread::Queue;
use Thread::Semaphore;
if ($] == 5.008) {
require 't/test.pl'; # Test::More work-alike for Perl 5.8.0
} else {
require Test::More;
}
Test::More->import();
plan('tests' => 3);
# The following tests locking a queue
my $q = Thread::Queue->new(1..10);
ok($q, 'New queue');
my $sm = Thread::Semaphore->new(0);
my $st = Thread::Semaphore->new(0);
threads->create(sub {
{
lock($q);
$sm->up();
$st->down();
threads::yield();
select(undef, undef, undef, 0.1);
my @x = $q->extract(5,2);
is_deeply(\@x, [6,7], 'Thread dequeues under lock');
}
})->detach();
$sm->down();
$st->up();
my @x = $q->dequeue_nb(100);
is_deeply(\@x, [1..5,8..10], 'Main dequeues');
threads::yield();
exit(0);
# EOF
|
