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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (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 http://qt.nokia.com/contact.
**
**************************************************************************/
#include "winguiprocess.h"
#include "consoleprocess.h"
#include <QtCore/QDir>
using namespace ProjectExplorer::Internal;
WinGuiProcess::WinGuiProcess(QObject *parent)
: QThread(parent)
{
m_pid = 0;
m_exitCode = 0;
}
WinGuiProcess::~WinGuiProcess()
{
stop();
}
bool WinGuiProcess::start(const QString &program, const QStringList &args)
{
m_program = program;
m_args = args;
if (!isRunning()) {
QThread::start(QThread::NormalPriority);
return true;
}
return false;
}
void WinGuiProcess::stop()
{
if (m_pid)
TerminateProcess(m_pid->hProcess, 1);
wait();
}
bool WinGuiProcess::isRunning() const
{
return QThread::isRunning();
}
bool WinGuiProcess::setupDebugInterface(HANDLE &bufferReadyEvent, HANDLE &dataReadyEvent, HANDLE &sharedFile, LPVOID &sharedMem)
{
bufferReadyEvent = CreateEvent(NULL, FALSE, FALSE, L"DBWIN_BUFFER_READY");
if (!bufferReadyEvent || GetLastError() == ERROR_ALREADY_EXISTS)
return false;
dataReadyEvent = CreateEvent(NULL, FALSE, FALSE, L"DBWIN_DATA_READY");
if (!dataReadyEvent || GetLastError() == ERROR_ALREADY_EXISTS)
return false;
sharedFile = CreateFileMapping((HANDLE)-1, NULL, PAGE_READWRITE, 0, 4096, L"DBWIN_BUFFER");
if (!sharedFile || GetLastError() == ERROR_ALREADY_EXISTS)
return false;
sharedMem = MapViewOfFile(sharedFile, FILE_MAP_READ, 0, 0, 512);
if (!sharedMem)
return false;
return true;
}
void WinGuiProcess::run()
{
if (m_pid)
return;
STARTUPINFO si;
ZeroMemory(&si, sizeof(si));
si.cb = sizeof(si);
m_pid = new PROCESS_INFORMATION;
ZeroMemory(m_pid, sizeof(PROCESS_INFORMATION));
m_exitCode = 0;
HANDLE bufferReadyEvent = NULL;
HANDLE dataReadyEvent = NULL;
HANDLE sharedFile = NULL;
LPVOID sharedMem = NULL;
bool dbgInterface = setupDebugInterface(bufferReadyEvent, dataReadyEvent, sharedFile, sharedMem);
QString cmdLine = createWinCommandline(m_program, m_args);
bool success = CreateProcessW(0, (WCHAR*)cmdLine.utf16(),
0, 0, TRUE, CREATE_UNICODE_ENVIRONMENT,
environment().isEmpty() ? 0
: createWinEnvironment(fixWinEnvironment(environment())).data(),
workingDirectory().isEmpty() ? 0
: (WCHAR*)QDir::convertSeparators(workingDirectory()).utf16(),
&si, m_pid);
if (!success) {
emit processError(tr("The process could not be started!"));
delete m_pid;
m_pid = 0;
return;
}
if (!dbgInterface) {
emit receivedDebugOutput(tr("Cannot retrieve debugging output!"));
WaitForSingleObject(m_pid->hProcess, INFINITE);
} else {
LPSTR message;
LPDWORD processId;
HANDLE toWaitFor[2];
message = reinterpret_cast<LPSTR>(sharedMem) + sizeof(DWORD);
processId = reinterpret_cast<LPDWORD>(sharedMem);
SetEvent(bufferReadyEvent);
toWaitFor[0] = dataReadyEvent;
toWaitFor[1] = m_pid->hProcess;
for (bool stop = false; !stop;) {
DWORD ret = WaitForMultipleObjects(2, toWaitFor, FALSE, INFINITE);
switch (ret) {
case WAIT_OBJECT_0 + 0:
if (*processId == m_pid->dwProcessId)
emit receivedDebugOutput(QString::fromLocal8Bit(message));
SetEvent(bufferReadyEvent);
break;
case WAIT_OBJECT_0 + 1:
stop = true;
break;
}
}
}
GetExitCodeProcess(m_pid->hProcess, &m_exitCode);
emit processFinished(static_cast<int>(m_exitCode));
UnmapViewOfFile(sharedMem);
CloseHandle(sharedFile);
CloseHandle(bufferReadyEvent);
CloseHandle(dataReadyEvent);
CloseHandle(m_pid->hProcess);
CloseHandle(m_pid->hThread);
delete m_pid;
m_pid = 0;
}
qint64 WinGuiProcess::applicationPID() const
{
if (m_pid)
return m_pid->dwProcessId;
return 0;
}
int WinGuiProcess::exitCode() const
{
return static_cast<int>(m_exitCode);
}
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