From f935b2f67f1c88a353de5d1c0f7792d9812d8f31 Mon Sep 17 00:00:00 2001 From: Stas Bekman Date: Tue, 23 Dec 2003 07:32:26 -0800 Subject: Add a new test file for situations where threads may interfere. Subject: Re: "restricted hashes" hit again ! Message-ID: <3FE8D08A.4090806@stason.org> p4raw-id: //depot/perl@22186 --- t/op/threads.t | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 t/op/threads.t (limited to 't') diff --git a/t/op/threads.t b/t/op/threads.t new file mode 100644 index 0000000000..02ae213b34 --- /dev/null +++ b/t/op/threads.t @@ -0,0 +1,61 @@ +#!./perl +BEGIN { + chdir 't' if -d 't'; + unshift @INC, '../lib'; + require './test.pl'; # for which_perl() etc +} + +use strict; +use Config; + +BEGIN { + if (!$Config{useithreads}) { + print "1..0 # Skip: no ithreads\n"; + exit 0; + } + eval 'use threads'; + if ($@ =~ /dynamic loading not available/) { + print "1..0 # Skip: miniperl can't load threads\n"; + exit 0; + } + plan(3); +} + +# test that we don't get: +# Attempt to free unreferenced scalar: SV 0x40173f3c +fresh_perl_is(<<'EOI', 'ok', { }, 'delete() under threads'); +use threads; +threads->new(sub { my %h=(1,2); delete $h{1}})->join for 1..2; +print "ok"; +EOI + +#PR24660 +# test that we don't get: +# Attempt to free unreferenced scalar: SV 0x814e0dc. +fresh_perl_is(<<'EOI', 'ok', { }, 'weaken ref under threads'); +use threads; +use Scalar::Util; +my $data = "a"; +my $obj = \$data; +my $copy = $obj; +Scalar::Util::weaken($copy); +threads->new(sub { 1 })->join for (1..1); +print "ok"; +EOI + +#PR24663 +# test that we don't get: +# panic: magic_killbackrefs. +# Scalars leaked: 3 +fresh_perl_is(<<'EOI', 'ok', { }, 'weaken ref #2 under threads'); +package Foo; +sub new { bless {},shift } +package main; +use threads; +use Scalar::Util qw(weaken); +my $object = Foo->new; +my $ref = $object; +weaken $ref; +threads->new(sub { $ref = $object } )->join; # $ref = $object causes problems +print "ok"; +EOI -- cgit v1.2.1