1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /* Copyright (c) 1988 AT&T */
28 /* All Rights Reserved */
29
30 #pragma weak _tcflow = tcflow
31
32 #include "lint.h"
33 #include <sys/termios.h>
34 #include <sys/types.h>
35 #include <unistd.h>
36
37 /*
38 * suspend transmission or reception of input or output
39 */
40
41 /*
42 * TCOOFF (0) -> suspend output
43 * TCOON (1) -> restart suspend output
44 * TCIOFF (2) -> suspend input
45 * TCION (3) -> restart suspend input
46 */
47
48 int
tcflow(int fildes,int action)49 tcflow(int fildes, int action)
50 {
51 return (ioctl(fildes, TCXONC, action));
52
53 }
54