| 1 | #!./perl |
| 2 | BEGIN { |
| 3 | chdir 't' if -d 't'; |
| 4 | @INC = '../lib'; |
| 5 | require './test.pl'; # for which_perl() etc |
| 6 | } |
| 7 | |
| 8 | use strict; |
| 9 | use Config; |
| 10 | |
| 11 | BEGIN { |
| 12 | if (!$Config{useithreads}) { |
| 13 | print "1..0 # Skip: no ithreads\n"; |
| 14 | exit 0; |
| 15 | } |
| 16 | if ($ENV{PERL_CORE_MINITEST}) { |
| 17 | print "1..0 # Skip: no dynamic loading on miniperl, no threads\n"; |
| 18 | exit 0; |
| 19 | } |
| 20 | plan(3); |
| 21 | } |
| 22 | use threads; |
| 23 | |
| 24 | # test that we don't get: |
| 25 | # Attempt to free unreferenced scalar: SV 0x40173f3c |
| 26 | fresh_perl_is(<<'EOI', 'ok', { }, 'delete() under threads'); |
| 27 | use threads; |
| 28 | threads->new(sub { my %h=(1,2); delete $h{1}})->join for 1..2; |
| 29 | print "ok"; |
| 30 | EOI |
| 31 | |
| 32 | #PR24660 |
| 33 | # test that we don't get: |
| 34 | # Attempt to free unreferenced scalar: SV 0x814e0dc. |
| 35 | fresh_perl_is(<<'EOI', 'ok', { }, 'weaken ref under threads'); |
| 36 | use threads; |
| 37 | use Scalar::Util; |
| 38 | my $data = "a"; |
| 39 | my $obj = \$data; |
| 40 | my $copy = $obj; |
| 41 | Scalar::Util::weaken($copy); |
| 42 | threads->new(sub { 1 })->join for (1..1); |
| 43 | print "ok"; |
| 44 | EOI |
| 45 | |
| 46 | #PR24663 |
| 47 | # test that we don't get: |
| 48 | # panic: magic_killbackrefs. |
| 49 | # Scalars leaked: 3 |
| 50 | fresh_perl_is(<<'EOI', 'ok', { }, 'weaken ref #2 under threads'); |
| 51 | package Foo; |
| 52 | sub new { bless {},shift } |
| 53 | package main; |
| 54 | use threads; |
| 55 | use Scalar::Util qw(weaken); |
| 56 | my $object = Foo->new; |
| 57 | my $ref = $object; |
| 58 | weaken $ref; |
| 59 | threads->new(sub { $ref = $object } )->join; # $ref = $object causes problems |
| 60 | print "ok"; |
| 61 | EOI |