Add support for ostart and ostop

2 files changed, 38 insertions, 1 deletions

diff --git a/bin/stty/key.c b/bin/stty/key.c
index 956c5528b0e..2758fd399ba 100644
--- a/bin/stty/key.c
+++ b/bin/stty/key.c
@@ -67,6 +67,8 @@ void	f_rows __P((struct info *));
 void	f_sane __P((struct info *));
 void	f_size __P((struct info *));
 void	f_speed __P((struct info *));
+void	f_ostart __P((struct info *));
+void	f_ostop __P((struct info *));
 void	f_tty __P((struct info *));
 __END_DECLS
 
@@ -90,6 +92,8 @@ static struct key {
 	{ "nl",		f_nl,		F_OFFOK },
 	{ "old",	f_tty,		0 },
 	{ "ospeed",	f_ospeed,	F_NEEDARG },
+	{ "ostart",	f_ostart,	0 },
+	{ "ostop",	f_ostop,	0 },
 	{ "raw",	f_raw,		F_OFFOK },
 	{ "rows",	f_rows,		F_NEEDARG },
 	{ "sane",	f_sane,		0 },
@@ -304,3 +308,19 @@ f_tty(ip)
 	if (ioctl(0, TIOCSETD, &tmp) < 0)
 		err(1, "TIOCSETD");
 }
+
+void
+f_ostart(ip)
+	struct info *ip;
+{
+	if (ioctl (0, TIOCSTART) < 0)
+		err(1, "TIOCSTART");
+}
+
+void
+f_ostop(ip)
+	struct info *ip;
+{
+	if (ioctl (0, TIOCSTOP) < 0)
+		err(1, "TIOCSTOP");
+}
diff --git a/bin/stty/stty.1 b/bin/stty/stty.1
index 3d863a1026a..9cd1f3906c8 100644
--- a/bin/stty/stty.1
+++ b/bin/stty/stty.1
@@ -568,6 +568,22 @@ Same as the control character
 Same as the control character
 .Cm reprint .
 .El
+.Ss Control operations:
+.Pp
+These operations are not modes, but rather commands to be performed by
+the tty layer.
+.Bl -tag -width Fl
+.It Cm ostart
+Performs a "start output" operation, as normally done by an
+incoming START character when
+.Cm ixon
+is set.
+.It Cm ostop
+Performs a "stop output" operation, as normally done by an
+incoming STOP character when
+.Cm ixon
+is set.
+.El
 .Pp
 The
 .Nm stty
@@ -584,4 +600,5 @@ compatible.  The flags
 and
 .Fl f
 are
-extensions to the standard.
+extensions to the standard, as are the operands mentioned in the control
+operations section.