Index: cygwin/fhandler_serial.cc
===================================================================
RCS file: /cvs/src/src/winsup/cygwin/fhandler_serial.cc,v
retrieving revision 1.38
diff -u -p -r1.38 fhandler_serial.cc
--- cygwin/fhandler_serial.cc	14 Dec 2002 04:01:32 -0000	1.38
+++ cygwin/fhandler_serial.cc	7 Jan 2003 05:28:38 -0000
@@ -591,6 +591,9 @@ fhandler_serial::tcsetattr (int action, 
       case B115200:
 	state.BaudRate = CBR_115200;
 	break;
+      case B230400:
+	state.BaudRate = CBR_230400;
+	break;
       default:
 	/* Unsupported baud rate! */
 	termios_printf ("Invalid t->c_ospeed %d", t->c_ospeed);
@@ -723,8 +726,12 @@ fhandler_serial::tcsetattr (int action, 
   state.fAbortOnError = TRUE;
 
   /* -------------- Set state and exit ------------------ */
-  if (memcmp (&ostate, &state, sizeof (state)) != 0)
-    SetCommState (get_handle (), &state);
+  if ((memcmp (&ostate, &state, sizeof (state)) != 0) &&
+      !SetCommState (get_handle (), &state))
+    {
+      /* Return now if any of the parameters in the DCB didn't take */
+      return -1;
+    }
 
   set_r_binary ((t->c_iflag & IGNCR) ? 0 : 1);
   set_w_binary ((t->c_oflag & ONLCR) ? 0 : 1);
@@ -890,6 +897,9 @@ fhandler_serial::tcgetattr (struct termi
 	break;
       case CBR_115200:
 	t->c_cflag = t->c_ospeed = t->c_ispeed = B115200;
+	break;
+      case CBR_230400:
+	t->c_cflag = t->c_ospeed = t->c_ispeed = B230400;
 	break;
       default:
 	/* Unsupported baud rate! */
Index: cygwin/include/sys/termios.h
===================================================================
RCS file: /cvs/src/src/winsup/cygwin/include/sys/termios.h,v
retrieving revision 1.5
diff -u -p -r1.5 termios.h
--- cygwin/include/sys/termios.h	22 Jul 2002 09:11:45 -0000	1.5
+++ cygwin/include/sys/termios.h	7 Jan 2003 05:28:48 -0000
@@ -177,7 +177,8 @@ POSIX commands */
 #define B57600	 0x01001
 #define B115200	 0x01002
 #define B128000	 0x01003
-#define B256000	 0x01003
+#define B230400  0x01004
+#define B256000	 0x01005
 #define CRTSXOFF 0x04000
 #define CRTSCTS	 0x08000
 
Index: w32api/include/winbase.h
===================================================================
RCS file: /cvs/src/src/winsup/w32api/include/winbase.h,v
retrieving revision 1.32
diff -u -p -r1.32 winbase.h
--- w32api/include/winbase.h	30 Dec 2002 08:48:23 -0000	1.32
+++ w32api/include/winbase.h	7 Jan 2003 05:29:23 -0000
@@ -435,6 +435,7 @@ extern "C" {
 #define CBR_57600	57600
 #define CBR_115200	115200
 #define CBR_128000	128000
+#define CBR_230400  230400
 #define CBR_256000	256000
 #define BACKUP_INVALID	0
 #define BACKUP_DATA 1