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#!/usr/local/bin/perl -w
my @custom_inc;
BEGIN {
if ($ENV{PERL_CORE}) {
chdir 't' if -d 't';
@custom_inc = @INC = '../lib';
} elsif (!grep /blib/, @INC) {
chdir 't' if -d 't';
unshift @INC, (@custom_inc = ('../blib/lib', '../blib/arch'));
}
}
BEGIN {delete $ENV{THREADS_DEBUG}} # no debugging during testing!
use forks; # must be done _before_ Test::More which loads real threads.pm
use forks::shared;
diag( <<EOD );
These tests check CLONE and SKIP_CLONE functionality.
EOD
# "Unpatch" Test::More, who internally tries to disable threads
BEGIN {
no warnings 'redefine';
if ($] < 5.008001) {
require forks::shared::global_filter;
import forks::shared::global_filter 'Test::Builder';
require Test::Builder;
*Test::Builder::share = \&threads::shared::share;
*Test::Builder::lock = \&threads::shared::lock;
Test::Builder->new->reset;
}
}
# Patch Test::Builder to add fork-thread awareness
{
no warnings 'redefine';
my $_sanity_check_old = \&Test::Builder::_sanity_check;
*Test::Builder::_sanity_check = sub {
my $self = $_[0];
# Don't bother with an ending if this is a forked copy. Only the parent
# should do the ending.
if( $self->{Original_Pid} != $$ ) {
return;
}
$_sanity_check_old->(@_);
};
}
package ClassClone;
use threads::shared;
use vars qw(%OBJ);
use Scalar::Util qw(weaken);
sub CLONE { $OBJ->{$_}->{cloned} = 1 foreach keys %OBJ; }
sub new_href { my $o = bless { new => 1 }; $OBJ{$o} = $o; weaken $OBJ{$o}; $o; }
sub new_aref { my $o = bless [5]; $OBJ{$o} = $o; weaken $OBJ{$o}; $o; }
sub new_sref { my $o = bless \(my $s = 10); $OBJ{$o} = $o; weaken $OBJ{$o}; $o; }
package ClassSkipClone;
use threads::shared;
sub CLONE_SKIP { 1 }
sub new_href { bless { new => 1 } }
sub new_aref { bless [5] }
sub new_sref { bless \(my $s = 10) }
package main;
use Test::More tests => 18;
use strict;
use warnings;
sub check_obj {
my $obj = shift;
my $type = shift;
is( ref($obj), $type, "Check that object type is $type" );
ok( defined($obj), "Check that object type is defined" );
}
# Check that CLONE_SKIP behaves as expected
my %ops = qw/HASH new_href ARRAY new_aref SCALAR new_sref/;
while (my ($type, $new) = each %ops) {
my $obj = ClassSkipClone->$new();
check_obj($obj, 'ClassSkipClone');
threads->create(sub {
check_obj($obj, $type);
1;
})->join();
check_obj($obj, 'ClassSkipClone');
}
1;
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