+ my $thr2 = spawn(sub {
+ my $here = "second simultaneous thread ($thr2_end)";
+ sync_slave 0;
+
+ is_loaded 0, "$here, beginning";
+ sync_slave 1;
+
+ sync_slave 2;
+ sync_slave 3;
+ is_loaded 0, "$here, loaded in other thread but not here";
+
+ do_load;
+ is_loaded 1, "$here, after loading";
+ sync_slave 4;
+ sync_slave 5;
+
+ sync_slave 6 if $first_thread_ends_first;
+
+ is_loaded 1, "$here, end";
+
+ return;
+ });
+
+ sync_master($_) for 0 .. 5;
+
+ if (defined $thr2) {
+ ($thr2, $thr1) = ($thr1, $thr2) unless $first_thread_ends_first;
+
+ $thr1->join;
+ if (my $err = $thr1->error) {
+ die $err;
+ }
+
+ sync_master(6, 1);
+
+ $thr2->join;
+ if (my $err = $thr1->error) {
+ die $err;
+ }
+ } else {
+ sync_master(6, 1) unless $first_thread_ends_first;
+
+ $thr1->join;
+ if (my $err = $thr1->error) {
+ die $err;
+ }
+
+ skip "$could_not_create_thread (parallel 2)" => (4 * 1);
+ }
+ }