diff options
Diffstat (limited to 'src/serialport/qserialport_unix.cpp')
| -rw-r--r-- | src/serialport/qserialport_unix.cpp | 64 |
1 files changed, 17 insertions, 47 deletions
diff --git a/src/serialport/qserialport_unix.cpp b/src/serialport/qserialport_unix.cpp index 294782b5..7e642e57 100644 --- a/src/serialport/qserialport_unix.cpp +++ b/src/serialport/qserialport_unix.cpp @@ -1,47 +1,12 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Denis Shienkov <denis.shienkov@gmail.com> -** Copyright (C) 2012 Laszlo Papp <lpapp@kde.org> -** Copyright (C) 2012 Andre Hartmann <aha_1980@gmx.de> -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtSerialPort module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2012 Denis Shienkov <denis.shienkov@gmail.com> +// Copyright (C) 2012 Laszlo Papp <lpapp@kde.org> +// Copyright (C) 2012 Andre Hartmann <aha_1980@gmx.de> +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #include "qserialport_p.h" #include "qserialportinfo_p.h" +#include <QtCore/qdeadlinetimer.h> #include <QtCore/qelapsedtimer.h> #include <QtCore/qmap.h> #include <QtCore/qsocketnotifier.h> @@ -55,7 +20,7 @@ #include <sys/time.h> #include <unistd.h> -#ifdef Q_OS_OSX +#ifdef Q_OS_MACOS #if defined(MAC_OS_X_VERSION_10_4) && (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_4) #include <IOKit/serial/ioss.h> #endif @@ -316,7 +281,7 @@ bool QSerialPortPrivate::open(QIODevice::OpenMode mode) return false; } - QScopedPointer<QLockFile> newLockFileScopedPointer(new QLockFile(lockFilePath)); + auto newLockFileScopedPointer = std::make_unique<QLockFile>(lockFilePath); if (!newLockFileScopedPointer->tryLock()) { setError(QSerialPortErrorInfo(QSerialPort::PermissionError, QSerialPort::tr("Permission error while locking the device"))); @@ -349,7 +314,7 @@ bool QSerialPortPrivate::open(QIODevice::OpenMode mode) return false; } - lockFileScopedPointer.swap(newLockFileScopedPointer); + lockFileScopedPointer = std::move(newLockFileScopedPointer); return true; } @@ -650,7 +615,7 @@ bool QSerialPortPrivate::setCustomBaudRate(qint32 baudRate, QSerialPort::Directi return setStandardBaudRate(B38400, directions); } -#elif defined(Q_OS_OSX) +#elif defined(Q_OS_MACOS) bool QSerialPortPrivate::setCustomBaudRate(qint32 baudRate, QSerialPort::Directions directions) { @@ -786,7 +751,7 @@ bool QSerialPortPrivate::readNotification() buffer.chop(bytesToRead - qMax(readBytes, qint64(0))); - if (readBytes <= 0) { + if (readBytes < 0) { QSerialPortErrorInfo error = getSystemError(); if (error.errorCode != QSerialPort::ResourceError) error.errorCode = QSerialPort::ReadError; @@ -794,6 +759,8 @@ bool QSerialPortPrivate::readNotification() setReadNotificationEnabled(false); setError(error); return false; + } else if (readBytes == 0) { + return false; } newBytes = buffer.size() - newBytes; @@ -885,6 +852,9 @@ inline bool QSerialPortPrivate::initialize(QIODevice::OpenMode mode) if (mode & QIODevice::ReadOnly) setReadNotificationEnabled(true); + // flush IO buffers + clear(QSerialPort::AllDirections); + return true; } @@ -947,7 +917,7 @@ QSerialPortErrorInfo QSerialPortPrivate::getSystemError(int systemErrorCode) con case EBADF: error.errorCode = QSerialPort::ResourceError; break; -#ifdef Q_OS_OSX +#ifdef Q_OS_MACOS case ENXIO: error.errorCode = QSerialPort::ResourceError; break; @@ -1028,7 +998,7 @@ bool QSerialPortPrivate::waitForReadOrWrite(bool *selectForRead, bool *selectFor if (checkWrite) pfd.events |= POLLOUT; - const int ret = qt_poll_msecs(&pfd, 1, msecs); + const int ret = qt_safe_poll(&pfd, 1, QDeadlineTimer(msecs)); if (ret < 0) { setError(getSystemError()); return false; |