--- AnyEvent/t/03_child.t	2006/12/11 01:16:09	1.1
+++ AnyEvent/t/03_child.t	2008/04/22 05:12:19	1.8
@@ -1,7 +1,19 @@
 $|=1;
-BEGIN { print "1..4\n" }
+BEGIN {
+   print "1..7\n"
+}
 
 use AnyEvent;
+use AnyEvent::Impl::Perl;
+
+print STDERR <<EOF;
+
+If the following test hangs for a long time you either found a bug in
+AnyEvent or, more likely, you have a defective perl (most windows perl
+distros are broken, cygwin perl works). If you do not rely on child
+handlers you can force the installation of this module and the rest will
+likely work. Otherwise upgrading to a working perl is recommended.
+EOF
 
 print "ok 1\n";
 
@@ -10,7 +22,7 @@
 defined $pid or die "unable to fork";
 
 # work around Tk bug until it has been fixed.
-my $timer = AnyEvent->timer (after => 2, cb => sub { });
+#my $timer = AnyEvent->timer (after => 2, cb => sub { });
 
 my $cv = AnyEvent->condvar;
 
@@ -20,13 +32,33 @@
 }
 
 my $w = AnyEvent->child (pid => $pid, cb => sub {
-   print 3 == ($? >> 8) ? "" : "not ", "ok 3\n";
+   print $pid == $_[0] ? "" : "not ", "ok 3\ # $pid == $_[0]\n";
+   print 3 == ($_[1] >> 8) ? "" : "not ", "ok 4 # 3 == $_[1] >> 8 ($_[1])\n";
    $cv->broadcast;
 });
 
 $cv->wait;
 
-print "ok 4\n";
+my $pid2 = fork || exit 7;
+
+my $cv2 = AnyEvent->condvar;
+
+my $w2 = AnyEvent->child (pid => 0, cb => sub {
+   print $pid2 == $_[0] ? "" : "not ", "ok 5 # $pid2 == $_[0]\n";
+   print 7 == ($_[1] >> 8) ? "" : "not ", "ok 6 # 7 == $_[1] >> 8 ($_[1])\n";
+   $cv2->broadcast;
+});
+
+my $error = AnyEvent->timer (after => 5, cb => sub {
+   print <<EOF;
+Bail out! No child exit detected. This is either a bug in AnyEvent or a bug in your Perl (mostly some windows distributions suffer from that): child watchers might not work properly on this platform. You can force installation of this module if you do not rely on child watchers, or you could upgrade to a working version of Perl for your platform.\n";
+EOF
+   exit 0;
+});
+
+$cv2->wait;
+
+print "ok 7\n";