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/******************************************************************
*
* kdbgwin - Helper application for DrKonqi
*
* This file is part of the KDE project
*
* Copyright (C) 2010 Ilie Halip <lupuroshu@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) version 3, or any
* later version accepted by the membership of KDE e.V. (or its
* successor approved by the membership of KDE e.V.), which shall
* act as a proxy defined in Section 6 of version 3 of the license.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>
*****************************************************************/
#pragma once
#include "common.h"
typedef QMap<DWORD, HANDLE> TThreadsMap;
typedef QMap<QString, HMODULE> TModulesMap;
/**
* \brief Describes a process.
*
* This is a helper class when dealing with another process. When kdbgwin starts,
* it attaches to the crashing process and tries to retrieve useful information:
* pid, threads, modules, image path. These will be used later.
*/
class Process
{
private:
/// Flag to check if the information about this process is valid and can be used
BOOL m_bValid;
/// Process ID
DWORD m_dwPid;
/// Failing thread ID - I need this because for the crashing thread, I need to get
/// the CONTEXT from a piece of shared memory in KCrash
DWORD m_dwThread;
/// A handle to the process
HANDLE m_hProcess;
/// A QMap<DWORD, HANDLE> which associates thread IDs with opened handles for each
/// of them
TThreadsMap m_threads;
/// The full path to the executable file which started this process
QString m_path;
/// A QMap<QString, HMODULE> which contains the paths to the loaded modules and
/// handles to each of them
TModulesMap m_modules;
public:
Process();
public:
/// kdbgwin needs to enable the debug privilege in order to read from
/// another process's memory.
static BOOL EnableDebugPrivilege();
public:
/// Attaches to the process and gets all required information
/// @return TRUE if operation succeeds
BOOL GetInfo(const char* pid, const char* threadId);
/// Checks if the information is valid
BOOL IsValid() const
{ assert(m_bValid); return m_bValid; }
/// Get the process ID
DWORD GetId() const
{ assert(m_dwPid); return m_dwPid; }
/// Returns an open handle to the process (opened with PROCESS_ALL_ACCESS)
HANDLE GetHandle() const
{ assert(m_hProcess); return m_hProcess; }
/// Returns the thread ID of the thread that caused the exception
DWORD GetThreadId() const
{ assert(m_dwThread); return m_dwThread; }
/// Returns the threads map
const TThreadsMap& GetThreads() const
{ return m_threads; }
/// Returns the full path to the executable on the disk
const QString& GetPath() const
{ return m_path; }
/// Returns a map of all the loaded modules
const TModulesMap& GetModules() const
{ return m_modules; }
};
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