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1 | #!./perl |
2 | BEGIN { |
3 | chdir 't' if -d 't'; |
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4 | @INC = '../lib'; |
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5 | require './test.pl'; # for which_perl() etc |
6 | } |
7 | |
8 | use strict; |
9 | use Config; |
10 | |
11 | BEGIN { |
12 | if (!$Config{useithreads}) { |
13 | print "1..0 # Skip: no ithreads\n"; |
14 | exit 0; |
15 | } |
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16 | if ($ENV{PERL_CORE_MINITEST}) { |
17 | print "1..0 # Skip: no dynamic loading on miniperl, no threads\n"; |
18 | exit 0; |
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19 | } |
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20 | plan(4); |
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21 | } |
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22 | use threads; |
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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 = $object causes problems |
60 | print "ok"; |
61 | EOI |
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62 | |
63 | #PR30333 - sort() crash with threads |
64 | sub mycmp { length($b) <=> length($a) } |
65 | |
66 | sub do_sort_one_thread { |
67 | my $kid = shift; |
68 | print "# kid $kid before sort\n"; |
69 | my @list = ( 'x', 'yy', 'zzz', 'a', 'bb', 'ccc', 'aaaaa', 'z', |
70 | 'hello', 's', 'thisisalongname', '1', '2', '3', |
71 | 'abc', 'xyz', '1234567890', 'm', 'n', 'p' ); |
72 | |
73 | for my $j (1..99999) { |
74 | for my $k (sort mycmp @list) {} |
75 | } |
76 | print "# kid $kid after sort, sleeping 1\n"; |
77 | sleep(1); |
78 | print "# kid $kid exit\n"; |
79 | } |
80 | |
81 | sub do_sort_threads { |
82 | my $nthreads = shift; |
83 | my @kids = (); |
84 | for my $i (1..$nthreads) { |
85 | my $t = threads->new(\&do_sort_one_thread, $i); |
86 | print "# parent $$: continue\n"; |
87 | push(@kids, $t); |
88 | } |
89 | for my $t (@kids) { |
90 | print "# parent $$: waiting for join\n"; |
91 | $t->join(); |
92 | print "# parent $$: thread exited\n"; |
93 | } |
94 | } |
95 | |
96 | do_sort_threads(2); # crashes |
97 | ok(1); |