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More error printing #33

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17 changes: 13 additions & 4 deletions asyn/drvAsynSerial/drvAsynSerialPortWin32.c
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Original file line number Diff line number Diff line change
Expand Up @@ -207,21 +207,30 @@ static void monitorComEvents(void* arg)
printf("%s started monitorComEvents thread.\n", tty->serialDeviceName);
while(1)
{
if (GetCommMask(tty->commHandle, &evtMask) == 0 || evtMask == 0)
if (GetCommMask(tty->commHandle, &evtMask) == 0)
{
break; /* nothing to monitor, also used to indicate connection close as by default we monitor EV_ERR */
error = GetLastError();
printf("%s Error 0x%x from GetCommMask().\n", tty->serialDeviceName, error);
break;
}
if (evtMask == 0) {
printf("%s No event mask defined - this may have been purposely cleared to close a conenction.\n", tty->serialDeviceName);
break;
}
memset(&tty->commEventOverlapped, 0, sizeof(OVERLAPPED));
tty->commEventOverlapped.hEvent = tty->commEventMaskHandle;
if (WaitCommEvent(tty->commHandle, &evtMask, &tty->commEventOverlapped) == 0)
{
error = GetLastError();
if (error != ERROR_IO_PENDING)
{
printf("%s Error 0x%x from WaitCommEvent().\n", tty->serialDeviceName, error);
break; /* terminates thread */
}
if (GetOverlappedResult(tty->commHandle, &tty->commEventOverlapped, &readTotal, TRUE) == 0)
{
error = GetLastError();
printf("%s Error 0x%x retuned from GetOverlappedResult().\n", tty->serialDeviceName, error);
break; /* terminates thread */
}
}
Expand Down Expand Up @@ -1374,11 +1383,11 @@ drvAsynSerialPortConfigure(const char *portName,
* Check arguments
*/
if (portName == NULL) {
printf("Port name missing.\n");
printf("drvAsynSerialPortConfigure: Port name missing.\n");
return -1;
}
if (ttyName == NULL) {
printf("TTY name missing.\n");
printf("drvAsynSerialPortConfigure: TTY name missing.\n");
return -1;
}

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