tty.c, file.h, xbios.c: ++entropy@terminator.rs.itd.umich.edu
Add a real TIOCSETP (differs from TIOCSETN in that it waits for
the output buffer to be empty if the device supports TIOCOUTQ.)
Remove a kludge in rsconf() which is not needed if a real TIOCSETP
exists.
--- 1.10.1.2 1994/02/27 04:02:16
+++ tty.c 1994/02/27 04:10:14
@@ -454,6 +454,7 @@
int i;
long baud;
short flags;
+ long outq;
if (!is_terminal(f)) {
DEBUG(("tty_ioctl(mode %x): file is not a tty", mode));
@@ -481,6 +482,10 @@
*sg = tty->sg;
return 0;
case TIOCSETP:
+ while (((*f->dev->ioctl)(f, TIOCOUTQ, &outq) == 0) && outq)
+ nap(200);
+ /* FALL THROUGH */
+ case TIOCSETN:
sg = (struct sgttyb *)arg;
tty->sg = *sg;
/* set the tty state for checking control characters */
--- 1.10 1994/02/17 08:01:22
+++ xbios.c 1994/02/26 13:54:26
@@ -187,6 +187,7 @@
else if (baud > -1)
oldbaud = baud;
}
+#if 0 /* now handled in tty.c (real TIOCSETP) */
/* This part _is_ necessary on TOS 1.04 */
if (tosvers <= 0x0104) {
int attempts = 0;
@@ -206,6 +207,7 @@
nap(200);
}
}
+#endif
#endif /* ONLY030 */
rsval = Rsconf(baud, flow, uc, rs, ts, sc);
--- 1.10.1.2 1994/02/24 16:15:06
+++ file.h 1994/02/26 13:44:04
@@ -340,7 +340,6 @@
#define FIONWRITE (('F'<< 8) | 2)
#define TIOCGETP (('T'<< 8) | 0)
#define TIOCSETP (('T'<< 8) | 1)
-#define TIOCSETN TIOCSETP
#define TIOCGETC (('T'<< 8) | 2)
#define TIOCSETC (('T'<< 8) | 3)
#define TIOCGLTC (('T'<< 8) | 4)
@@ -361,6 +360,7 @@
#define TIOCGFLAGS (('T'<< 8) | 22)
#define TIOCSFLAGS (('T'<< 8) | 23)
#define TIOCOUTQ (('T'<< 8) | 24)
+#define TIOCSETN (('T'<< 8) | 25)
/* cursor control Fcntls:
* NOTE THAT THESE MUST BE TOGETHER
--
entropy -- it's not just a good idea, it's the second law.
Personal mail: entropy@gnu.ai.mit.edu
MiNT library mail: entropy@terminator.rs.itd.umich.edu
"what do you have against octal?" -jrb