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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /sysdeps/unix/sysv/tcflow.c
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initial import
Diffstat (limited to 'sysdeps/unix/sysv/tcflow.c')
-rw-r--r--sysdeps/unix/sysv/tcflow.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/tcflow.c b/sysdeps/unix/sysv/tcflow.c
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+++ b/sysdeps/unix/sysv/tcflow.c
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+/* Copyright (C) 1992 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <ansidecl.h>
+#include <errno.h>
+#include <stddef.h>
+#include <termios.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+
+#include "sysv_termio.h"
+
+/* Suspend or restart transmission on FD. */
+int
+DEFUN(tcflow, (fd, action), int fd AND int action)
+{
+ switch (action)
+ {
+ case TCOOFF:
+ return __ioctl (fd, _TCXONC, 0);
+ case TCOON:
+ return __ioctl (fd, _TCXONC, 1);
+ case TCIOFF:
+ return __ioctl (fd, _TCXONC, 2);
+ case TCION:
+ return __ioctl (fd, _TCXONC, 3);
+ default:
+ errno = EINVAL;
+ return -1;
+ }
+}