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jSerialComm
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Verify that the port is still open when writing through OutputStream

This commit is contained in:
Will Hedgecock 2021-11-18 18:08:16 -06:00
parent 1ba4040162
commit bcc9e1e19f
1 changed files with 5 additions and 2 deletions
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7
src/main/java/com/fazecast/jSerialComm/SerialPort.java
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@ -1681,13 +1681,16 @@ public final class SerialPort
throw new NullPointerException("A null pointer was passed in for the write buffer.");
if ((len < 0) || (off < 0) || ((off + len) > b.length))
throw new IndexOutOfBoundsException("The specified write offset plus length extends past the end of the specified buffer.");
if (portHandle <= 0)
throw new SerialPortIOException("This port appears to have been shutdown or disconnected.");
// Write to the serial port until all bytes have been consumed
int totalNumWritten = 0;
while (totalNumWritten != len)
{
// Always ensure that the port has not been closed
if (portHandle <= 0)
throw new SerialPortIOException("This port appears to have been shutdown or disconnected.");
// Write the actual bytes to the serial port
int numWritten = writeBytes(portHandle, b, len - totalNumWritten, off + totalNumWritten, timeoutMode);
if (numWritten < 0)
throw new SerialPortIOException("No bytes written. This port appears to have been shutdown or disconnected.");