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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Qt Software Information (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
**
**************************************************************************/
#include "procinterrupt.h"
#if defined(Q_OS_WIN)
#include <windows.h>
#include <Tlhelp32.h>
using namespace Debugger::Internal;
typedef HANDLE (WINAPI *PtrCreateRemoteThread)(
HANDLE hProcess,
LPSECURITY_ATTRIBUTES lpThreadAttributes,
SIZE_T dwStackSize,
LPTHREAD_START_ROUTINE lpStartAddress,
LPVOID lpParameter,
DWORD dwCreationFlags,
LPDWORD lpThreadId);
PtrCreateRemoteThread resolveCreateRemoteThread()
{
HINSTANCE hLib = LoadLibraryA("Kernel32");
return (PtrCreateRemoteThread)GetProcAddress(hLib, "CreateRemoteThread");
}
DWORD findProcessId(DWORD parentId)
{
HANDLE hProcList = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
PROCESSENTRY32 procEntry;
procEntry.dwSize = sizeof(PROCESSENTRY32);
DWORD procId = 0;
BOOL moreProc = Process32First(hProcList, &procEntry);
while (moreProc) {
if (procEntry.th32ParentProcessID == parentId) {
procId = procEntry.th32ProcessID;
break;
}
moreProc = Process32Next(hProcList, &procEntry);
}
CloseHandle(hProcList);
return procId;
}
bool Debugger::Internal::interruptProcess(int pID)
{
DWORD pid = pID;
if (!pid)
return false;
PtrCreateRemoteThread libFunc = resolveCreateRemoteThread();
if (libFunc) {
DWORD dwThreadId = 0;
HANDLE hproc = OpenProcess(PROCESS_ALL_ACCESS, false, pid);
HANDLE hthread = libFunc(hproc, NULL, 0, (LPTHREAD_START_ROUTINE)DebugBreak, 0, 0, &dwThreadId);
CloseHandle(hthread);
if (dwThreadId)
return true;
}
return false;
}
bool Debugger::Internal::interruptChildProcess(Q_PID parentPID)
{
DWORD pid = findProcessId(parentPID->dwProcessId);
return interruptProcess(pid);
}
#endif // defined(Q_OS_WIN)
#if defined(Q_OS_LINUX) || defined(Q_OS_MAC)
#include <QtCore/QLatin1String>
#include <QtCore/QString>
#include <QtCore/QDir>
#include <QtCore/QFileInfoList>
#include <QtCore/QByteArray>
#include <QtCore/QDebug>
#include <sys/types.h>
#include <signal.h>
#include <sys/sysctl.h>
using namespace Debugger::Internal;
/* Mac OS X
int OPParentIDForProcessID(int pid)
// Returns the parent process id for the given process id (pid)
{
const uint OPProcessValueUnknown = UINT_MAX;
struct kinfo_proc info;
size_t length = sizeof(struct kinfo_proc);
int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, pid };
if (sysctl(mib, 4, &info, &length, NULL, 0) < 0)
return OPProcessValueUnknown;
if (length == 0)
return OPProcessValueUnknown;
return info.kp_eproc.e_ppid;
}
*/
int findParentProcess(int procId)
{
QFile statFile(QLatin1String("/proc/") + QString::number(procId) +
QLatin1String("/stat"));
if (!statFile.open(QIODevice::ReadOnly))
return -1;
QByteArray line = statFile.readLine();
line = line.mid(line.indexOf(')') + 4);
//qDebug() << "1: " << line;
line = line.left(line.indexOf(' '));
//qDebug() << "2: " << line;
return QString(line).toInt();
}
int findChildProcess(int parentId)
{
QDir proc(QLatin1String("/proc"));
QFileInfoList procList = proc.entryInfoList(QDir::Dirs);
foreach (const QFileInfo &info, procList) {
int procId = 0;
bool ok = false;
procId = info.baseName().toInt(&ok);
if (!ok || !procId)
continue;
if (findParentProcess(procId) == parentId)
return procId;
}
return -1;
}
bool Debugger::Internal::interruptProcess(int pID)
{
int procId = pID;
if (procId != -1) {
if (kill(procId, SIGINT) == 0)
return true;
}
return false;
}
bool Debugger::Internal::interruptChildProcess(Q_PID parentPID)
{
int procId = findChildProcess(parentPID);
//qDebug() << "INTERRUPTING PROCESS" << procId;
return interruptProcess(procId);
}
#endif // defined(Q_OS_LINUX) || defined(Q_OS_MAC)
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