Index: ng/sys/sysv/ttyio.c
===================================================================
RCS file: /home/cvsroot/ng/sys/sysv/ttyio.c,v
retrieving revision 1.2.2.1
retrieving revision 1.2.2.3
diff -c -r1.2.2.1 -r1.2.2.3
*** ttyio.c	2000/12/01 10:04:12	1.2.2.1
--- ttyio.c	2001/01/23 08:50:29	1.2.2.3
***************
*** 1,4 ****
! /* $Id: ttyio.c,v 1.2.2.1 2000/12/01 10:04:12 amura Exp $ */
  /*
   * Name:	MicroEMACS
   *		System V terminal I/O.
--- 1,4 ----
! /* $Id: ttyio.c,v 1.2.2.3 2001/01/23 08:50:29 amura Exp $ */
  /*
   * Name:	MicroEMACS
   *		System V terminal I/O.
***************
*** 19,24 ****
--- 19,30 ----
  
  /*
   * $Log: ttyio.c,v $
+  * Revision 1.2.2.3  2001/01/23 08:50:29  amura
+  * reset terminal polling mode in ttwait()
+  *
+  * Revision 1.2.2.2  2001/01/17 18:36:45  amura
+  * fix typo POSIXTTY to POSIX_TTY
+  *
   * Revision 1.2.2.1  2000/12/01 10:04:12  amura
   * fix ttraw() with termios
   * unset IEXTEN flag on c_lflag
***************
*** 120,126 ****
  		nt.c_cflag |= CS8;	/* allow 8th bit on input	*/
  		nt.c_cflag &= ~PARENB;	/* Don't check parity		*/
  		nt.c_lflag &= ~( ECHO | ICANON | ISIG );
! #ifdef	POSIX_TTY
  		nt.c_lflag &= ~IEXTEN;
  #endif
  		kbdpoll = (((kbdflgs = fcntl(0, F_GETFL, 0)) & O_NDELAY) != 0);
--- 126,132 ----
  		nt.c_cflag |= CS8;	/* allow 8th bit on input	*/
  		nt.c_cflag &= ~PARENB;	/* Don't check parity		*/
  		nt.c_lflag &= ~( ECHO | ICANON | ISIG );
! #ifdef	POSIXTTY
  		nt.c_lflag &= ~IEXTEN;
  #endif
  		kbdpoll = (((kbdflgs = fcntl(0, F_GETFL, 0)) & O_NDELAY) != 0);
***************
*** 405,410 ****
--- 411,419 ----
  #else	/* NOT BUGFIX */
  	signal(SIGALRM, alrm); alarm(2);
  #endif	/* BUGFIX */
+ 	if (kbdpoll && fcntl( 0, F_SETFL, kbdflgs ) < 0)
+ 		abort();
+ 	kbdpoll = FALSE;
  	kbdqp = (1 == read(0, &kbdq, 1));
  	alarm(0);
  	return FALSE;			/* successful read if here	*/