Make LISTENING_EVENT_PORT_DISCONNECTED functional

src/main/c/Posix/SerialPort_Posix.c

@@ -158,7 +158,9 @@ void* eventReadingThread2(void *serialPortPointer)
 
 		// Return the detected port events
 		pthread_mutex_lock(&port->eventMutex);
-		if (waitingSet.revents & POLLIN)
+		if (waitingSet.revents & POLLHUP)
+			port->event |= com_fazecast_jSerialComm_SerialPort_LISTENING_EVENT_PORT_DISCONNECTED;
+		else if (waitingSet.revents & POLLIN)
 			port->event |= com_fazecast_jSerialComm_SerialPort_LISTENING_EVENT_DATA_AVAILABLE;
 		if (waitingSet.revents & POLLERR)
 			if (!ioctl(port->handle, TIOCGICOUNT, &newSerialLineInterrupts))
@@ -625,7 +627,9 @@ JNIEXPORT jint JNICALL Java_com_fazecast_jSerialComm_SerialPort_waitForEvent(JNI
 		while ((pollResult == 0) && port->eventListenerRunning);
 
 		// Return the detected port events
-		if (waitingSet.revents & POLLIN)
+		if (waitingSet.revents & POLLHUP)
+			event |= com_fazecast_jSerialComm_SerialPort_LISTENING_EVENT_PORT_DISCONNECTED;
+		else if (waitingSet.revents & POLLIN)
 			event |= com_fazecast_jSerialComm_SerialPort_LISTENING_EVENT_DATA_AVAILABLE;
 #if defined(__linux__)
 		if (waitingSet.revents & POLLERR)

src/main/c/Posix/com_fazecast_jSerialComm_SerialPort.h

@@ -73,6 +73,8 @@ extern "C" {
 #define com_fazecast_jSerialComm_SerialPort_LISTENING_EVENT_SOFTWARE_OVERRUN_ERROR 8388608L
 #undef com_fazecast_jSerialComm_SerialPort_LISTENING_EVENT_PARITY_ERROR
 #define com_fazecast_jSerialComm_SerialPort_LISTENING_EVENT_PARITY_ERROR 16777216L
+#undef com_fazecast_jSerialComm_SerialPort_LISTENING_EVENT_PORT_DISCONNECTED
+#define com_fazecast_jSerialComm_SerialPort_LISTENING_EVENT_PORT_DISCONNECTED 268435456L
 /*
  * Class:     com_fazecast_jSerialComm_SerialPort
  * Method:    getCommPorts

src/main/c/Windows/SerialPort_Windows.c

@@ -2,10 +2,10 @@
  * SerialPort_Windows.c
  *
  *       Created on:  Feb 25, 2012
- *  Last Updated on:  Dec 17, 2021
+ *  Last Updated on:  Jan 04, 2022
  *           Author:  Will Hedgecock
  *
- * Copyright (C) 2012-2021 Fazecast, Inc.
+ * Copyright (C) 2012-2022 Fazecast, Inc.
  *
  * This file is part of jSerialComm.
  *
@@ -602,8 +602,9 @@ JNIEXPORT jint JNICALL Java_com_fazecast_jSerialComm_SerialPort_waitForEvent(JNI
 		}
 		else		// Problem occurred
 		{
+			event |= com_fazecast_jSerialComm_SerialPort_LISTENING_EVENT_PORT_DISCONNECTED;
 			port->errorNumber = GetLastError();
-			port->errorLineNumber = __LINE__ - 16;
+			port->errorLineNumber = __LINE__ - 18;
 			CloseHandle(overlappedStruct.hEvent);
 			return event;
 		}

src/main/java/com/fazecast/jSerialComm/SerialPort.java

@@ -821,7 +821,7 @@ public final class SerialPort
 	 * Sets the BREAK signal on the serial control line.
 	 * @return true if successful, false if not.
 	 */
-	public final boolean setBreak()   { return (portHandle > 0) && setBreak(portHandle); }
+	public final boolean setBreak() { return (portHandle > 0) && setBreak(portHandle); }
 
 	/**
 	 * Clears the BREAK signal from the serial control line.
@@ -1187,6 +1187,9 @@ public final class SerialPort
 	 * It is important to note that non-Windows operating systems only allow decisecond (1/10th of a second) granularity for serial port timeouts. As such, your
 	 * millisecond timeout value will be rounded to the nearest decisecond under Linux or Mac OS. To ensure consistent performance across multiple platforms, it is
 	 * advisable that you set your timeout values to be multiples of 100, although this is not strictly enforced.
+	 * <p>
+	 * Also note that if the serial port has an event-based data listener actively registered for the event type {@link #LISTENING_EVENT_DATA_RECEIVED}, all serial port
+	 * timeout settings are ignored.
 	 *
 	 * @param newTimeoutMode The new timeout mode as specified above.
 	 * @param newReadTimeout The number of milliseconds of inactivity to tolerate before returning from a {@link #readBytes(byte[],long)} call.