use strict;
use warnings;
-use Config qw/%Config/;
+use lib 't/lib';
+use Variable::Magic::TestThreads;
-BEGIN {
- if (!$Config{useithreads}) {
- require Test::More;
- Test::More->import;
- plan(skip_all => 'This perl wasn\'t built to support threads');
- }
-}
-
-use threads; # Before Test::More
-use threads::shared;
+use Test::More 'no_plan';
-use Test::More;
-
-use Variable::Magic qw/wizard cast dispell getdata getsig VMG_THREADSAFE VMG_OP_INFO_NAME VMG_OP_INFO_OBJECT/;
-
-if (VMG_THREADSAFE) {
- plan tests => 2 * 3 + 4 * (2 * 10 + 2) + 4 * (2 * 7 + 2);
- my $v = $threads::VERSION;
- diag "Using threads $v" if defined $v;
- $v = $threads::shared::VERSION;
- diag "Using threads::shared $v" if defined $v;
-} else {
- plan skip_all => 'This Variable::Magic isn\'t thread safe';
-}
+use Variable::Magic qw<
+ wizard cast dispell getdata
+ VMG_OP_INFO_NAME VMG_OP_INFO_OBJECT
+>;
my $destroyed : shared = 0;
my $c : shared = 0;
my $wiz = eval {
wizard data => sub { $_[1] + threads->tid() },
- get => sub { ++$c; 0 },
+ get => sub { lock $c; ++$c; 0 },
set => sub {
my $op = $_[-1];
my $tid = threads->tid();
}
0
},
- free => sub { ++$destroyed; 0 },
+ free => sub { lock $destroyed; ++$destroyed; 0 },
op_info => $op_info
};
is($@, '', "wizard with op_info $op_info in main thread doesn't croak");
}
sub try {
- my ($dispell, $sig) = @_;
+ my ($dispell, $wiz) = @_;
my $tid = threads->tid();
my $a = 3;
- my $res = eval { cast $a, $sig, sub { 5 }->() };
+ my $res = eval { cast $a, $wiz, sub { 5 }->() };
is($@, '', "cast in thread $tid doesn't croak");
my $b;
eval { $b = $a };
is($@, '', "get in thread $tid doesn't croak");
is($b, 3, "get in thread $tid returns the right thing");
- my $d = eval { getdata $a, $sig };
+ my $d = eval { getdata $a, $wiz };
is($@, '', "getdata in thread $tid doesn't croak");
is($d, 5 + $tid, "getdata in thread $tid returns the right thing");
eval { $a = 9 };
is($@, '', "set in thread $tid (check opname) doesn't croak");
if ($dispell) {
- $res = eval { dispell $a, $sig };
+ $res = eval { dispell $a, $wiz };
is($@, '', "dispell in thread $tid doesn't croak");
undef $b;
eval { $b = $a };
my $wiz_obj = spawn_wiz VMG_OP_INFO_OBJECT;
for my $dispell (1, 0) {
- for my $sig ($wiz_name, getsig($wiz_name), $wiz_obj, getsig($wiz_obj)) {
- $c = 0;
- $destroyed = 0;
+ for my $wiz ($wiz_name, $wiz_obj) {
+ {
+ lock $c;
+ $c = 0;
+ }
+ {
+ lock $destroyed;
+ $destroyed = 0;
+ }
+
+ my @threads = map spawn(\&try, $dispell, $wiz), 1 .. 2;
+ $_->join for @threads;
+
+ {
+ lock $c;
+ is $c, 2, "get triggered twice";
+ }
+ {
+ lock $destroyed;
+ is $destroyed, (1 - $dispell) * 2, 'destructors';
+ }
+ }
+}
- my @t = map { threads->create(\&try, $dispell, $sig) } 1 .. 2;
- $_->join for @t;
+{
+ my @threads;
+ my $flag : shared = 0;
+ my $destroyed;
+
+ {
+ my $wiz = wizard(
+ set => sub {
+ my $tid = threads->tid;
+ pass "set callback called in thread $tid"
+ },
+ free => sub { ++$destroyed },
+ );
+
+ my $var = 123;
+ cast $var, $wiz;
+
+ @threads = map spawn(
+ sub {
+ my $tid = threads->tid;
+ my $exp = 456 + $tid;
+ {
+ lock $flag;
+ threads::shared::cond_wait($flag) until $flag;
+ }
+ $var = $exp;
+ is $var, $exp, "\$var could be assigned to in thread $tid";
+ }
+ ), 1 .. 5;
+ }
- is($c, 2, "get triggered twice");
- is($destroyed, (1 - $dispell) * 2, 'destructors');
+ is $destroyed, 1, 'wizard is destroyed';
+
+ {
+ lock $flag;
+ $flag = 1;
+ threads::shared::cond_broadcast($flag);
}
+
+ $_->join for @threads;
}