/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
** All rights reserved. | |
** Contact: Nokia Corporation (qt-info@nokia.com) | |
** | |
** This file is part of the QtCore module of the Qt Toolkit. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** 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. | |
** | |
** In addition, as a special exception, Nokia gives you certain additional | |
** rights. These rights are described in the Nokia Qt LGPL Exception | |
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | |
** | |
** GNU General Public License Usage | |
** Alternatively, this file may be used under the terms of the GNU General | |
** Public License version 3.0 as published by the Free Software Foundation | |
** and appearing in the file LICENSE.GPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU General | |
** Public License version 3.0 requirements will be met: | |
** http://www.gnu.org/copyleft/gpl.html. | |
** | |
** Other Usage | |
** Alternatively, this file may be used in accordance with the terms and | |
** conditions contained in a signed written agreement between you and Nokia. | |
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** $QT_END_LICENSE$ | |
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****************************************************************************/ | |
#ifndef QPROCESS_P_H | |
#define QPROCESS_P_H | |
// | |
// W A R N I N G | |
// ------------- | |
// | |
// This file is not part of the Qt API. It exists purely as an | |
// implementation detail. This header file may change from version to | |
// version without notice, or even be removed. | |
// | |
// We mean it. | |
// | |
#include "QtCore/qprocess.h" | |
#include "QtCore/qstringlist.h" | |
#include "QtCore/qhash.h" | |
#include "QtCore/qshareddata.h" | |
#include "private/qringbuffer_p.h" | |
#include "private/qiodevice_p.h" | |
#ifdef Q_OS_WIN | |
#include "QtCore/qt_windows.h" | |
typedef HANDLE Q_PIPE; | |
#define INVALID_Q_PIPE INVALID_HANDLE_VALUE | |
#else | |
typedef int Q_PIPE; | |
#define INVALID_Q_PIPE -1 | |
#endif | |
#ifndef QT_NO_PROCESS | |
QT_BEGIN_NAMESPACE | |
class QSocketNotifier; | |
class QWindowsPipeWriter; | |
class QWinEventNotifier; | |
class QTimer; | |
#if defined(Q_OS_SYMBIAN) | |
class RProcess; | |
#endif | |
class QProcessEnvironmentPrivate: public QSharedData | |
{ | |
public: | |
#ifdef Q_OS_WIN | |
typedef QString Unit; | |
#else | |
typedef QByteArray Unit; | |
#endif | |
typedef QHash<Unit, Unit> Hash; | |
Hash hash; | |
static QProcessEnvironment fromList(const QStringList &list); | |
QStringList toList() const; | |
}; | |
class QProcessPrivate : public QIODevicePrivate | |
{ | |
public: | |
Q_DECLARE_PUBLIC(QProcess) | |
struct Channel { | |
enum ProcessChannelType { | |
Normal = 0, | |
PipeSource = 1, | |
PipeSink = 2, | |
Redirect = 3 | |
// if you add "= 4" here, increase the number of bits below | |
}; | |
Channel() : process(0), notifier(0), type(Normal), closed(false), append(false) | |
{ | |
pipe[0] = INVALID_Q_PIPE; | |
pipe[1] = INVALID_Q_PIPE; | |
} | |
void clear(); | |
Channel &operator=(const QString &fileName) | |
{ | |
clear(); | |
file = fileName; | |
type = fileName.isEmpty() ? Normal : Redirect; | |
return *this; | |
} | |
void pipeTo(QProcessPrivate *other) | |
{ | |
clear(); | |
process = other; | |
type = PipeSource; | |
} | |
void pipeFrom(QProcessPrivate *other) | |
{ | |
clear(); | |
process = other; | |
type = PipeSink; | |
} | |
QString file; | |
QProcessPrivate *process; | |
QSocketNotifier *notifier; | |
Q_PIPE pipe[2]; | |
unsigned type : 2; | |
bool closed : 1; | |
bool append : 1; | |
}; | |
QProcessPrivate(); | |
virtual ~QProcessPrivate(); | |
// private slots | |
bool _q_canReadStandardOutput(); | |
bool _q_canReadStandardError(); | |
bool _q_canWrite(); | |
bool _q_startupNotification(); | |
bool _q_processDied(); | |
void _q_notified(); | |
QProcess::ProcessChannel processChannel; | |
QProcess::ProcessChannelMode processChannelMode; | |
QProcess::ProcessError processError; | |
QProcess::ProcessState processState; | |
QString workingDirectory; | |
Q_PID pid; | |
int sequenceNumber; | |
bool dying; | |
bool emittedReadyRead; | |
bool emittedBytesWritten; | |
Channel stdinChannel; | |
Channel stdoutChannel; | |
Channel stderrChannel; | |
bool createChannel(Channel &channel); | |
void closeWriteChannel(); | |
QString program; | |
QStringList arguments; | |
#if defined(Q_OS_WIN) || defined(Q_OS_SYMBIAN) | |
QString nativeArguments; | |
#endif | |
QProcessEnvironment environment; | |
QRingBuffer outputReadBuffer; | |
QRingBuffer errorReadBuffer; | |
QRingBuffer writeBuffer; | |
Q_PIPE childStartedPipe[2]; | |
Q_PIPE deathPipe[2]; | |
void destroyPipe(Q_PIPE pipe[2]); | |
QSocketNotifier *startupSocketNotifier; | |
QSocketNotifier *deathNotifier; | |
// the wonderful windows notifier | |
QTimer *notifier; | |
QWindowsPipeWriter *pipeWriter; | |
QWinEventNotifier *processFinishedNotifier; | |
void startProcess(); | |
#if defined(Q_OS_UNIX) && !defined(Q_OS_SYMBIAN) | |
void execChild(const char *workingDirectory, char **path, char **argv, char **envp); | |
#endif | |
bool processStarted(); | |
void terminateProcess(); | |
void killProcess(); | |
void findExitCode(); | |
#ifdef Q_OS_UNIX | |
bool waitForDeadChild(); | |
#endif | |
#ifdef Q_OS_WIN | |
void flushPipeWriter(); | |
qint64 pipeWriterBytesToWrite() const; | |
#endif | |
static bool startDetached(const QString &program, const QStringList &arguments, const QString &workingDirectory = QString(), | |
qint64 *pid = 0); | |
int exitCode; | |
QProcess::ExitStatus exitStatus; | |
bool crashed; | |
#ifdef Q_OS_UNIX | |
int serial; | |
#endif | |
bool waitForStarted(int msecs = 30000); | |
bool waitForReadyRead(int msecs = 30000); | |
bool waitForBytesWritten(int msecs = 30000); | |
bool waitForFinished(int msecs = 30000); | |
bool waitForWrite(int msecs = 30000); | |
qint64 bytesAvailableFromStdout() const; | |
qint64 bytesAvailableFromStderr() const; | |
qint64 readFromStdout(char *data, qint64 maxlen); | |
qint64 readFromStderr(char *data, qint64 maxlen); | |
qint64 writeToStdin(const char *data, qint64 maxlen); | |
void cleanup(); | |
#ifdef Q_OS_UNIX | |
static void initializeProcessManager(); | |
#endif | |
#ifdef Q_OS_SYMBIAN | |
bool processLaunched; | |
RProcess* symbianProcess; | |
#endif | |
}; | |
QT_END_NAMESPACE | |
#endif // QT_NO_PROCESS | |
#endif // QPROCESS_P_H |