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debugged.C
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1998-11-28
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// $Id: debugged.C,v 1.1 1998/11/28 16:41:37 zeller Exp $ -*- C++ -*-
// Are we being debugged?
// Copyright (C) 1998 Technische Universitaet Braunschweig, Germany.
// Written by Andreas Zeller <zeller@ips.cs.tu-bs.de>.
//
// This file is part of DDD.
//
// DDD is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// DDD is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public
// License along with DDD -- see the file COPYING.
// If not, write to the Free Software Foundation, Inc.,
// 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// DDD is the data display debugger.
// For details, see the DDD World-Wide-Web page,
// `http://www.cs.tu-bs.de/softech/ddd/',
// or send a mail to the DDD developers <ddd@ips.cs.tu-bs.de>.
char debugged_rcsid[] =
"$Id: debugged.C,v 1.1 1998/11/28 16:41:37 zeller Exp $";
#ifdef __GNUG__
#pragma implementation
#endif
#include "debugged.h"
#include "strclass.h"
#include "string-fun.h"
#include <fstream.h>
#include <ctype.h>
#include <unistd.h> // getppid()
static string parent_name()
{
string cmdline = "/proc/" + itostring(getppid()) + "/cmdline";
ifstream is(cmdline);
string name;
int c;
while ((c = is.get()) != EOF && c != '\0' && !isspace(c))
{
name += (char)c;
if (c == '/')
name = "";
}
return name;
}
bool being_debugged()
{
static string name = parent_name();
return name == "gdb" || name == "dbx" || name == "xdb";
}