Skip the Perl debugger test if the harness itself is already running

[p5sagit/p5-mst-13.2.git] / lib / perl5db.t

diff --git a/lib/perl5db.t b/lib/perl5db.t
index 9c95a5b..2cf7958 100644 (file)
--- a/lib/perl5db.t
+++ b/lib/perl5db.t
@@ -14,6 +14,16 @@ BEGIN {
        print "1..0 # Skip: no /dev/null\n";
        exit 0;
     }
+my $dev_tty = '/dev/tty';
+   $dev_tty = 'TT:' if ($^O eq 'VMS');
+    if (!-c $dev_tty) {
+       print "1..0 # Skip: no $dev_tty\n";
+       exit 0;
+    }
+    if ($ENV{PERL5DB}) {
+       print "1..0 # Skip: \$ENV{PERL5DB} is already set to '$ENV{PERL5DB}'\n";
+       exit 0;
+    }
 }
 
 plan(1);
@@ -49,7 +59,10 @@ rc(
     }\n|,
 );
 
-runperl(switches => [ '-d' ], progfile => $target);
+{
+    local $ENV{PERLDB_OPTS} = "ReadLine=0";
+    runperl(switches => [ '-d' ], progfile => $target);
+}
 
 my $contents;
 {