From afafbe3ba25fe893536a42aca0bebef933aba5df Mon Sep 17 00:00:00 2001
From: short <>
Date: Wed, 27 Feb 2002 22:46:37 +0000
Subject: [PATCH] Fixed hangup on initial run on uClinux (TCSADRAIN -> TCSANOW)
 Not yet working stack checking (symbol STACKCHECK) +debugging messages

---
 common/devices/unixserial.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/common/devices/unixserial.c b/common/devices/unixserial.c
index ba66941..c98d27f 100644
--- a/common/devices/unixserial.c
+++ b/common/devices/unixserial.c
@@ -233,19 +233,28 @@ void serial_changespeed(int __fd, int __speed) {
   }
 
 #ifndef SGTTY
+#ifdef DEBUG
+  fprintf(stdout,_("Serial port speed setting: tcgetattr()...\n"));
+#endif /* DEBUG */
   tcgetattr(__fd, &t);
 
   // This is not needed! We set up the speed via cfsetspeed
   //  t.c_cflag &= ~CBAUD;
   //  t.c_cflag |= speed;
 #ifdef DEBUG
+  fprintf(stdout,_("Serial port speed setting: cfsetspeed()...\n"));
+#endif /* DEBUG */
+#ifdef DEBUG
   if (cfsetspeed(&t, speed) == -1)
   	fprintf(stdout,_("Serial port speed setting failed\n"));
 #else
   (void)cfsetspeed(&t, speed);
 #endif
 
-  tcsetattr(__fd, TCSADRAIN, &t);
+#ifdef DEBUG
+  fprintf(stdout,_("Serial port speed setting: tcsetattr()...\n"));
+#endif /* DEBUG */
+  tcsetattr(__fd, TCSANOW, &t);
 #else
   ioctl(__fd, TIOCGETP, &t);
 
@@ -254,12 +263,16 @@ void serial_changespeed(int __fd, int __speed) {
 
   ioctl(__fd, TIOCSETN, &t);
 #endif
+#ifdef DEBUG
+  fprintf(stdout,_("Serial port speed setting done\n"));
+#endif /* DEBUG */
 }
 
 /* Read from serial device. */
 
 size_t serial_read(int __fd, __ptr_t __buf, size_t __nbytes) {
 
+  LIVE;
   return (read(__fd, __buf, __nbytes));
 }
 
@@ -267,6 +280,7 @@ size_t serial_read(int __fd, __ptr_t __buf, size_t __nbytes) {
 
 size_t serial_write(int __fd, __const __ptr_t __buf, size_t __n) {
 	
+	LIVE;
 	return (write(__fd, __buf, __n));
 }
 
-- 
1.8.3.1