| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| use strict; |
| use warnings; |
| |
| use Config; |
| use Test::More; |
| BEGIN { |
| if ( $ENV{LUCY_VALGRIND} ) { |
| plan( skip_all => 'Known leaks' ); |
| } |
| elsif ( !defined( $ENV{LUCY_DEBUG} ) ) { |
| plan( skip_all => 'Debug-only test' ); |
| } |
| elsif ( $Config{usethreads} and $^O !~ /mswin/i ) { |
| plan( tests => 1 ); |
| } |
| else { |
| plan( skip_all => 'No thread support' ); |
| } |
| } |
| use threads; |
| use threads::shared; |
| use Time::HiRes qw( time usleep ); |
| use List::Util qw( shuffle ); |
| use Lucy::Test; |
| |
| my $registry = Clownfish::LockFreeRegistry->new( capacity => 32 ); |
| |
| sub register_many { |
| my ( $nums, $delay ) = @_; |
| |
| # Encourage contention, so that all threads try to register at the same |
| # time. |
| sleep $delay; |
| threads->yield(); |
| |
| my $succeeded = 0; |
| for my $number (@$nums) { |
| my $obj = Clownfish::String->new($number); |
| $succeeded += $registry->register( key => $obj, value => $obj ); |
| } |
| |
| return $succeeded; |
| } |
| |
| my @threads; |
| |
| my $target_time = time() + .5; |
| my @num_sets = map { [ shuffle( 1 .. 10000 ) ] } 1 .. 5; |
| for my $num ( 1 .. 5 ) { |
| my $delay = $target_time - time(); |
| my $thread = threads->create( \®ister_many, pop @num_sets, $delay ); |
| push @threads, $thread; |
| } |
| |
| my $total_succeeded = 0; |
| $total_succeeded += $_->join for @threads; |
| |
| is( $total_succeeded, 10000, |
| "registered exactly the right number of entries across all threads" ); |
| |