+sub _store
+{
+ my $t = time;
+ for (@_) {
+ $fp->writeunix($t, "$t^$_");
+ print STDERR $_;
+ }
+}
+
+sub dbginit
+{
+ # add sig{__DIE__} handling
+ if (!defined $DB::VERSION) {
+ $SIG{__WARN__} = $SIG{__DIE__} = \&_store;
+ }
+}
+
+sub dbgclose
+{
+ $SIG{__DIE__} = $SIG{__WARN__} = 'DEFAULT';
+ $fp->close();
+}
+