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1 | use strict; |
2 | use warnings; |
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3 | |
4 | BEGIN { |
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5 | if ($ENV{'PERL_CORE'}){ |
6 | chdir 't'; |
7 | unshift @INC, '../lib'; |
8 | } |
9 | use Config; |
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10 | if (! $Config{'useithreads'}) { |
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11 | print("1..0 # SKIP Perl not compiled with 'useithreads'\n"); |
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12 | exit(0); |
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13 | } |
14 | } |
15 | |
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16 | use ExtUtils::testlib; |
17 | |
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18 | use threads; |
19 | |
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20 | BEGIN { |
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21 | if (! eval 'use threads::shared; 1') { |
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22 | print("1..0 # SKIP threads::shared not available\n"); |
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23 | exit(0); |
24 | } |
25 | |
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26 | $| = 1; |
27 | if ($] == 5.008) { |
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28 | print("1..11\n"); ### Number of tests that will be run ### |
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29 | } else { |
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30 | print("1..15\n"); ### Number of tests that will be run ### |
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31 | } |
32 | }; |
33 | |
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34 | print("ok 1 - Loaded\n"); |
35 | |
36 | ### Start of Testing ### |
37 | |
38 | no warnings 'deprecated'; # Suppress warnings related to :unique |
39 | |
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40 | use Hash::Util 'lock_keys'; |
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41 | |
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42 | my $test :shared = 2; |
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43 | |
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44 | # Note that we can't use Test::More here, as we would need to call is() |
45 | # from within the DESTROY() function at global destruction time, and |
46 | # parts of Test::* may have already been freed by then |
47 | sub is($$$) |
48 | { |
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49 | my ($got, $want, $desc) = @_; |
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50 | lock($test); |
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51 | if ($got ne $want) { |
52 | print("# EXPECTED: $want\n"); |
53 | print("# GOT: $got\n"); |
54 | print("not "); |
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55 | } |
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56 | print("ok $test - $desc\n"); |
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57 | $test++; |
58 | } |
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59 | |
60 | |
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61 | # This tests for too much destruction which was caused by cloning stashes |
62 | # on join which led to double the dataspace under 5.8.0 |
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63 | if ($] != 5.008) |
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64 | { |
65 | sub Foo::DESTROY |
66 | { |
67 | my $self = shift; |
68 | my ($package, $file, $line) = caller; |
69 | is(threads->tid(), $self->{tid}, "In destroy[$self->{tid}] it should be correct too" ); |
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70 | } |
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71 | |
72 | my $foo = bless {tid => 0}, 'Foo'; |
73 | my $bar = threads->create(sub { |
74 | is(threads->tid(), 1, "And tid be 1 here"); |
75 | $foo->{tid} = 1; |
76 | return ($foo); |
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77 | })->join(); |
78 | $bar->{tid} = 0; |
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79 | } |
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80 | |
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81 | |
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82 | # This tests whether we can call Config::myconfig after threads have been |
83 | # started (interpreter cloned). 5.8.1 and 5.8.2 contained a bug that would |
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84 | # disallow that to be done because an attempt was made to change a variable |
85 | # with the :unique attribute. |
86 | |
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87 | { |
88 | lock($test); |
89 | if ($] == 5.008 || $] >= 5.008003) { |
90 | threads->create( sub {1} )->join; |
91 | my $not = eval { Config::myconfig() } ? '' : 'not '; |
92 | print "${not}ok $test - Are we able to call Config::myconfig after clone\n"; |
93 | } else { |
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94 | print "ok $test # SKIP Are we able to call Config::myconfig after clone\n"; |
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95 | } |
96 | $test++; |
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97 | } |
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98 | |
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99 | |
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100 | # bugid 24383 - :unique hashes weren't being made readonly on interpreter |
101 | # clone; check that they are. |
102 | |
103 | our $unique_scalar : unique; |
104 | our @unique_array : unique; |
105 | our %unique_hash : unique; |
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106 | threads->create(sub { |
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107 | lock($test); |
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108 | my $TODO = ":unique needs to be re-implemented in a non-broken way"; |
109 | eval { $unique_scalar = 1 }; |
110 | print $@ =~ /read-only/ |
111 | ? '' : 'not ', "ok $test # TODO $TODO - unique_scalar\n"; |
112 | $test++; |
113 | eval { $unique_array[0] = 1 }; |
114 | print $@ =~ /read-only/ |
115 | ? '' : 'not ', "ok $test # TODO $TODO - unique_array\n"; |
116 | $test++; |
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117 | if ($] >= 5.008003 && $^O ne 'MSWin32') { |
118 | eval { $unique_hash{abc} = 1 }; |
119 | print $@ =~ /disallowed/ |
120 | ? '' : 'not ', "ok $test # TODO $TODO - unique_hash\n"; |
121 | } else { |
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122 | print("ok $test # SKIP $TODO - unique_hash\n"); |
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123 | } |
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124 | $test++; |
125 | })->join; |
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126 | |
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127 | # bugid #24940 :unique should fail on my and sub declarations |
128 | |
129 | for my $decl ('my $x : unique', 'sub foo : unique') { |
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130 | { |
131 | lock($test); |
132 | if ($] >= 5.008005) { |
133 | eval $decl; |
134 | print $@ =~ /^The 'unique' attribute may only be applied to 'our' variables/ |
135 | ? '' : 'not ', "ok $test - $decl\n"; |
136 | } else { |
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137 | print("ok $test # SKIP $decl\n"); |
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138 | } |
139 | $test++; |
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140 | } |
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141 | } |
142 | |
143 | |
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144 | # Returing a closure from a thread caused problems. If the last index in |
145 | # the anon sub's pad wasn't for a lexical, then a core dump could occur. |
146 | # Otherwise, there might be leaked scalars. |
147 | |
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148 | # XXX DAPM 9-Jan-04 - backed this out for now - returning a closure from a |
149 | # thread seems to crash win32 |
150 | |
151 | # sub f { |
152 | # my $x = "foo"; |
153 | # sub { $x."bar" }; |
154 | # } |
155 | # |
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156 | # my $string = threads->create(\&f)->join->(); |
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157 | # print $string eq 'foobar' ? '' : 'not ', "ok $test - returning closure\n"; |
158 | # $test++; |
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159 | |
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160 | |
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161 | # Nothing is checking that total keys gets cloned correctly. |
162 | |
163 | my %h = (1,2,3,4); |
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164 | is(keys(%h), 2, "keys correct in parent"); |
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165 | |
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166 | my $child = threads->create(sub { return (scalar(keys(%h))); })->join; |
167 | is($child, 2, "keys correct in child"); |
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168 | |
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169 | lock_keys(%h); |
170 | delete($h{1}); |
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171 | |
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172 | is(keys(%h), 1, "keys correct in parent with restricted hash"); |
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173 | |
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174 | $child = threads->create(sub { return (scalar(keys(%h))); })->join; |
175 | is($child, 1, "keys correct in child with restricted hash"); |
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176 | |
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177 | exit(0); |
178 | |
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179 | # EOF |