SerialPort, optimization notification and I/O subsystems.

Change-Id: I0200f66b0786557aa0c884d94027e58ee0ec53e4
Reviewed-by: Sergey Belyashov <Sergey.Belyashov@gmail.com>
Reviewed-by: Denis Shienkov <scapig@yandex.ru>

1 files changed, 26 insertions, 0 deletions

diff --git a/src/serialportengine_unix.cpp b/src/serialportengine_unix.cpp
index e81d88d9..8da52051 100755
--- a/src/serialportengine_unix.cpp
+++ b/src/serialportengine_unix.cpp
@@ -930,6 +930,32 @@ void UnixSerialPortEngine::setWriteNotificationEnabled(bool enable)
 }
 
 /*!
+    Returns the current status of the errors notification subsystem.
+*/
+bool UnixSerialPortEngine::isErrorNotificationEnabled() const
+{
+    return (m_exceptionNotifier && m_exceptionNotifier->isEnabled());
+}
+
+/*!
+    Enables or disables errors notification subsystem, depending on
+    the \a enable parameter. If the subsystem is enabled, it will
+    asynchronously track the occurrence of an event fderror.
+*/
+void UnixSerialPortEngine::setErrorNotificationEnabled(bool enable)
+{
+    if (m_exceptionNotifier)
+        m_exceptionNotifier->setEnabled(enable);
+    else if (enable) {
+        m_exceptionNotifier =
+                new QSocketNotifier(m_descriptor, QSocketNotifier::Exception, this);
+
+        m_exceptionNotifier->installEventFilter(this);
+        m_exceptionNotifier->setEnabled(true);
+    }
+}
+
+/*!
     Not used in POSIX implementation, error handling is carried
     out in other ways.