+$fp = undef;
+
+# Avoid generating "subroutine redefined" warnings with the following
+# hack (from CGI::Carp):
+if (!defined $DB::VERSION) {
+ local $^W=0;
+ eval qq( sub confess {
+ \$SIG{__DIE__} = 'DEFAULT';
+ DXDebug::dbgstore(\$@, Carp::shortmess(\@_));
+ exit(-1);
+ }
+ sub croak {
+ \$SIG{__DIE__} = 'DEFAULT';
+ DXDebug::dbgstore(\$@, Carp::longmess(\@_));
+ exit(-1);
+ }
+ sub carp { DXDebug::dbgstore(Carp::shortmess(\@_)); }
+ sub cluck { DXDebug::dbgstore(Carp::longmess(\@_)); }
+ );
+
+ CORE::die(Carp::shortmess($@)) if $@;
+} else {
+ eval qq( sub confess { Carp::confess(\@_); };
+ sub croak { Carp::croak(\@_); };
+ sub cluck { Carp::cluck(\@_); };
+ );
+}
+
+
+sub dbgstore
+{
+ my $t = time;
+ for (@_) {
+ my $r = $_;
+ chomp $r;
+ my @l = split /\n/, $r;
+ for (@l) {
+ s/([\x00-\x08\x0B-\x1f\x7f-\xff])/uc sprintf("%%%02x",ord($1))/eg;
+ print "$_\n" if defined \*STDOUT;
+ $fp->writeunix($t, "$t^$_");
+ }
+ }
+}
+
+sub dbginit
+{
+ # add sig{__DIE__} handling
+ if (!defined $DB::VERSION) {
+ $SIG{__WARN__} = sub { dbgstore($@, Carp::shortmess(@_)); };
+ $SIG{__DIE__} = sub { dbgstore($@, Carp::longmess(@_)); };
+ }
+
+ $fp = DXLog::new('debug', 'dat', 'd');
+}
+
+sub dbgclose
+{
+ $SIG{__DIE__} = $SIG{__WARN__} = 'DEFAULT';
+ $fp->close() if $fp;
+ undef $fp;
+}