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|
BEGIN {
chdir 't' if -d 't';
push @INC, '../lib';
require Config; import Config;
unless ($Config{'useithreads'}) {
print "1..0 # Skip: no useithreads\n";
exit 0;
}
}
use ExtUtils::testlib;
use strict;
BEGIN { print "1..12\n" };
use threads;
use threads::shared;
my $test_id = 1;
share($test_id);
use Devel::Peek qw(Dump);
sub ok {
my ($ok, $name) = @_;
# You have to do it this way or VMS will get confused.
print $ok ? "ok $test_id - $name\n" : "not ok $test_id - $name\n";
printf "# Failed test at line %d\n", (caller)[2] unless $ok;
$test_id++;
return $ok;
}
sub skip {
ok(1, "# Skipped: @_");
}
ok(1,"");
{
my $retval = threads->create(sub { return ("hi") })->join();
ok($retval eq 'hi', "Check basic returnvalue");
}
{
my ($thread) = threads->create(sub { return (1,2,3) });
my @retval = $thread->join();
ok($retval[0] == 1 && $retval[1] == 2 && $retval[2] == 3,'');
}
{
my $retval = threads->create(sub { return [1] })->join();
ok($retval->[0] == 1,"Check that a array ref works",);
}
{
my $retval = threads->create(sub { return { foo => "bar" }})->join();
ok($retval->{foo} eq 'bar',"Check that hash refs work");
}
{
my $retval = threads->create( sub {
open(my $fh, "+>threadtest") || die $!;
print $fh "test\n";
return $fh;
})->join();
ok(ref($retval) eq 'GLOB', "Check that we can return FH $retval");
print $retval "test2\n";
# seek($retval,0,0);
# ok(<$retval> eq "test\n");
close($retval);
unlink("threadtest");
}
{
my $test = "hi";
my $retval = threads->create(sub { return $_[0]}, \$test)->join();
ok($$retval eq 'hi','');
}
{
my $test = "hi";
share($test);
my $retval = threads->create(sub { return $_[0]}, \$test)->join();
ok($$retval eq 'hi','');
$test = "foo";
ok($$retval eq 'foo','');
}
{
my %foo;
share(%foo);
threads->create(sub {
my $foo;
share($foo);
$foo = "thread1";
return $foo{bar} = \$foo;
})->join();
ok(1,"");
}
# We parse ps output so this is OS-dependent.
if ($^O =~ /^(linux|dec_osf)$/) {
# First modify $0 in a subthread.
print "# mainthread: \$0 = $0\n";
threads->new( sub {
print "# subthread: \$0 = $0\n";
$0 = "foobar";
print "# subthread: \$0 = $0\n" } )->join;
print "# mainthread: \$0 = $0\n";
print "# pid = $$\n";
if (open PS, "ps -f |") { # Note: must work in (all) systems.
my ($sawpid, $sawexe);
while (<PS>) {
chomp;
print "# [$_]\n";
if (/^\S+\s+$$\s/) {
$sawpid++;
if (/\sfoobar$/) {
$sawexe++;
}
last;
}
}
close PS or die;
if ($sawpid) {
ok($sawpid && $sawexe, 'altering $0 is effective');
} else {
skip("\$0 check: did not see pid $$ in 'ps -f |'");
}
} else {
skip("\$0 check: opening 'ps -f |' failed: $!");
}
} else {
skip("\$0 check: only on Linux");
}
{
my $t = threads->new(sub {});
$t->join;
my $x = threads->new(sub {});
$x->join;
eval {
$t->join;
};
my $ok = 0;
$ok++ if($@ =~/Thread already joined/);
ok($ok, "Double join works");
}
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