Пример #1
0
QT_BEGIN_NAMESPACE

void QLocalSocketPrivate::init()
{
    Q_Q(QLocalSocket);
    memset(&overlapped, 0, sizeof(overlapped));
    overlapped.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
    dataReadNotifier = new QWinEventNotifier(overlapped.hEvent, q);
    q->connect(dataReadNotifier, SIGNAL(activated(HANDLE)), q, SLOT(_q_notified()));
}
Пример #2
0
QT_BEGIN_NAMESPACE

#define NOTIFYTIMEOUT 100

void QLocalSocketPrivate::init()
{
    Q_Q(QLocalSocket);
    QObject::connect(&dataNotifier, SIGNAL(timeout()), q, SLOT(_q_notified()));
    overlapped.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
}
Пример #3
0
void QProcessPrivate::startProcess()
{
    Q_Q(QProcess);

    bool success = false;

    if (pid) {
        CloseHandle(pid->hThread);
        CloseHandle(pid->hProcess);
        delete pid;
        pid = 0;
    }
    pid = new PROCESS_INFORMATION;
    memset(pid, 0, sizeof(PROCESS_INFORMATION));

    q->setProcessState(QProcess::Starting);

    if (!createChannel(stdinChannel) ||
        !createChannel(stdoutChannel) ||
        !createChannel(stderrChannel))
        return;

    QString args = qt_create_commandline(program, arguments);
    QByteArray envlist;
    if (environment.d.constData())
        envlist = qt_create_environment(environment.d.constData()->hash);
    if (!nativeArguments.isEmpty()) {
        if (!args.isEmpty())
             args += QLatin1Char(' ');
        args += nativeArguments;
    }

#if defined QPROCESS_DEBUG
    qDebug("Creating process");
    qDebug("   program : [%s]", program.toLatin1().constData());
    qDebug("   args : %s", args.toLatin1().constData());
    qDebug("   pass environment : %s", environment.isEmpty() ? "no" : "yes");
#endif

    // Forwarded channels must not set the CREATE_NO_WINDOW flag because this
    // will render the stdout/stderr handles we're passing useless.
    DWORD dwCreationFlags = (processChannelMode == QProcess::ForwardedChannels ? 0 : CREATE_NO_WINDOW);
    dwCreationFlags |= CREATE_UNICODE_ENVIRONMENT;
    STARTUPINFOW startupInfo = { sizeof( STARTUPINFO ), 0, 0, 0,
                                 (ulong)CW_USEDEFAULT, (ulong)CW_USEDEFAULT,
                                 (ulong)CW_USEDEFAULT, (ulong)CW_USEDEFAULT,
                                 0, 0, 0,
                                 STARTF_USESTDHANDLES,
                                 0, 0, 0,
                                 stdinChannel.pipe[0], stdoutChannel.pipe[1], stderrChannel.pipe[1]
    };
    success = CreateProcess(0, (wchar_t*)args.utf16(),
                            0, 0, TRUE, dwCreationFlags,
                            environment.isEmpty() ? 0 : envlist.data(),
                            workingDirectory.isEmpty() ? 0 : (wchar_t*)QDir::toNativeSeparators(workingDirectory).utf16(),
                            &startupInfo, pid);
    if (!success) {
        // Capture the error string before we do CloseHandle below
        q->setErrorString(QProcess::tr("Process failed to start: %1").arg(qt_error_string()));
    }

    if (stdinChannel.pipe[0] != INVALID_Q_PIPE) {
        CloseHandle(stdinChannel.pipe[0]);
        stdinChannel.pipe[0] = INVALID_Q_PIPE;
    }
    if (stdoutChannel.pipe[1] != INVALID_Q_PIPE) {
        CloseHandle(stdoutChannel.pipe[1]);
        stdoutChannel.pipe[1] = INVALID_Q_PIPE;
    }
    if (stderrChannel.pipe[1] != INVALID_Q_PIPE) {
        CloseHandle(stderrChannel.pipe[1]);
        stderrChannel.pipe[1] = INVALID_Q_PIPE;
    }

    if (!success) {
        cleanup();
        processError = QProcess::FailedToStart;
        emit q->error(processError);
        q->setProcessState(QProcess::NotRunning);
        return;
    }

    q->setProcessState(QProcess::Running);
    // User can call kill()/terminate() from the stateChanged() slot
    // so check before proceeding
    if (!pid)
        return;

    if (threadData->eventDispatcher) {
        processFinishedNotifier = new QWinEventNotifier(pid->hProcess, q);
        QObject::connect(processFinishedNotifier, SIGNAL(activated(HANDLE)), q, SLOT(_q_processDied()));
        processFinishedNotifier->setEnabled(true);
        notifier = new QTimer(q);
        QObject::connect(notifier, SIGNAL(timeout()), q, SLOT(_q_notified()));
        notifier->start(NOTIFYTIMEOUT);
    }

    _q_startupNotification();
}