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|
use strict;
use warnings;
BEGIN {
if ($ENV{'PERL_CORE'}){
chdir 't';
unshift @INC, '../lib';
}
use Config;
if (! $Config{'useithreads'}) {
print("1..0 # SKIP Perl not compiled with 'useithreads'\n");
exit(0);
}
}
use ExtUtils::testlib;
use threads;
BEGIN {
if (! eval 'use threads::shared; 1') {
print("1..0 # SKIP threads::shared not available\n");
exit(0);
}
$| = 1;
print("1..20\n"); ### Number of tests that will be run ###
};
my $TEST;
BEGIN {
share($TEST);
$TEST = 1;
}
ok(1, 'Loaded');
sub ok {
my ($ok, $name) = @_;
lock($TEST);
my $id = $TEST++;
# You have to do it this way or VMS will get confused.
if ($ok) {
print("ok $id - $name\n");
} else {
print("not ok $id - $name\n");
printf("# Failed test at line %d\n", (caller)[2]);
}
return ($ok);
}
sub skip {
ok(1, '# SKIP ' . $_[0]);
}
### Start of Testing ###
{
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 $retval "test2\n";
close($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($$retval eq 'foo','');
}
{
my %foo;
share(%foo);
threads->create(sub {
my $foo;
share($foo);
$foo = "thread1";
return $foo{bar} = \$foo;
})->join();
ok(1,"");
}
# We parse ps output so this is OS-dependent.
if ($^O eq 'linux') {
# First modify $0 in a subthread.
#print "# mainthread: \$0 = $0\n";
threads->create(sub{ #print "# subthread: \$0 = $0\n";
$0 = "foobar";
#print "# subthread: \$0 = $0\n"
})->join;
#print "# mainthread: \$0 = $0\n";
#print "# pid = $$\n";
if (open PS, "ps -f |") { # Note: must work in (all) systems.
my ($sawpid, $sawexe);
while (<PS>) {
chomp;
#print "# [$_]\n";
if (/^\s*\S+\s+$$\s/) {
$sawpid++;
if (/\sfoobar\s*$/) { # Linux 2.2 leaves extra trailing spaces.
$sawexe++;
}
last;
}
}
close PS or die;
if ($sawpid) {
ok($sawpid && $sawexe, 'altering $0 is effective');
} else {
skip("\$0 check: did not see pid $$ in 'ps -f |'");
}
} else {
skip("\$0 check: opening 'ps -f |' failed: $!");
}
} else {
skip("\$0 check: only on Linux");
}
{
my $t = threads->create(sub {});
$t->join();
threads->create(sub {})->join();
eval { $t->join(); };
ok(($@ =~ /Thread already joined/), "Double join works");
eval { $t->detach(); };
ok(($@ =~ /Cannot detach a joined thread/), "Detach joined thread");
}
{
my $t = threads->create(sub {});
$t->detach();
threads->create(sub {})->join();
eval { $t->detach(); };
ok(($@ =~ /Thread already detached/), "Double detach works");
eval { $t->join(); };
ok(($@ =~ /Cannot join a detached thread/), "Join detached thread");
}
{
# The "use IO::File" is not actually used for anything; its only purpose
# is incite a lot of calls to newCONSTSUB. See the p5p archives for
# the thread "maint@20974 or before broke mp2 ithreads test".
use IO::File;
# This coredumped between #20930 and #21000
$_->join for map threads->create(sub{ok($_, "stress newCONSTSUB")}), 1..2;
}
{
my $go : shared = 0;
my $t = threads->create( sub {
lock($go);
cond_wait($go) until $go;
});
my $joiner = threads->create(sub { $_[0]->join }, $t);
threads->yield();
sleep 1;
eval { $t->join; };
ok(($@ =~ /^Thread already joined at/)?1:0, "Join pending join");
{ lock($go); $go = 1; cond_signal($go); }
$joiner->join;
}
{
my $go : shared = 0;
my $t = threads->create( sub {
eval { threads->self->join; };
ok(($@ =~ /^Cannot join self/), "Join self");
lock($go); $go = 1; cond_signal($go);
});
{ lock ($go); cond_wait($go) until $go; }
$t->join;
}
{
my $go : shared = 0;
my $t = threads->create( sub {
lock($go); cond_wait($go) until $go;
});
my $joiner = threads->create(sub { $_[0]->join; }, $t);
threads->yield();
sleep 1;
eval { $t->detach };
ok(($@ =~ /^Cannot detach a joined thread at/)?1:0, "Detach pending join");
{ lock($go); $go = 1; cond_signal($go); }
$joiner->join;
}
exit(0);
# EOF
|
