diff options
Diffstat (limited to 'src/serialport/qserialport.cpp')
| -rw-r--r-- | src/serialport/qserialport.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/serialport/qserialport.cpp b/src/serialport/qserialport.cpp index 690eb65..369be62 100644 --- a/src/serialport/qserialport.cpp +++ b/src/serialport/qserialport.cpp @@ -1409,7 +1409,7 @@ qint64 QSerialPort::readData(char *data, qint64 maxSize) Q_UNUSED(data); Q_UNUSED(maxSize); -#ifdef Q_OS_WIN32 +#if defined(Q_OS_WIN32) // We need try to start async reading to read a remainder from a driver's queue // in case we have a limited read buffer size. Because the read notification can // be stalled since Windows do not re-triggered an EV_RXCHAR event if a driver's @@ -1417,6 +1417,12 @@ qint64 QSerialPort::readData(char *data, qint64 maxSize) Q_D(QSerialPort); if (d->readBufferMaxSize || d->flowControl == QSerialPort::HardwareControl) d->startAsyncRead(); +#elif defined(Q_OS_UNIX) + // We need try to re-trigger the read notification to read a remainder from a + // driver's queue in case we have a limited read buffer size. + Q_D(QSerialPort); + if (d->readBufferMaxSize && !d->isReadNotificationEnabled()) + d->setReadNotificationEnabled(true); #endif // return 0 indicating there may be more data in the future |