xref: /titanic_51/usr/src/cmd/vt/vtinfo.c (revision aecfc01d1bad84e66649703f7fc2926ef70b34ba)
1*aecfc01dSrui zang - Sun Microsystems - Beijing China /*
2*aecfc01dSrui zang - Sun Microsystems - Beijing China  * CDDL HEADER START
3*aecfc01dSrui zang - Sun Microsystems - Beijing China  *
4*aecfc01dSrui zang - Sun Microsystems - Beijing China  * The contents of this file are subject to the terms of the
5*aecfc01dSrui zang - Sun Microsystems - Beijing China  * Common Development and Distribution License (the "License").
6*aecfc01dSrui zang - Sun Microsystems - Beijing China  * You may not use this file except in compliance with the License.
7*aecfc01dSrui zang - Sun Microsystems - Beijing China  *
8*aecfc01dSrui zang - Sun Microsystems - Beijing China  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*aecfc01dSrui zang - Sun Microsystems - Beijing China  * or http://www.opensolaris.org/os/licensing.
10*aecfc01dSrui zang - Sun Microsystems - Beijing China  * See the License for the specific language governing permissions
11*aecfc01dSrui zang - Sun Microsystems - Beijing China  * and limitations under the License.
12*aecfc01dSrui zang - Sun Microsystems - Beijing China  *
13*aecfc01dSrui zang - Sun Microsystems - Beijing China  * When distributing Covered Code, include this CDDL HEADER in each
14*aecfc01dSrui zang - Sun Microsystems - Beijing China  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*aecfc01dSrui zang - Sun Microsystems - Beijing China  * If applicable, add the following below this CDDL HEADER, with the
16*aecfc01dSrui zang - Sun Microsystems - Beijing China  * fields enclosed by brackets "[]" replaced with your own identifying
17*aecfc01dSrui zang - Sun Microsystems - Beijing China  * information: Portions Copyright [yyyy] [name of copyright owner]
18*aecfc01dSrui zang - Sun Microsystems - Beijing China  *
19*aecfc01dSrui zang - Sun Microsystems - Beijing China  * CDDL HEADER END
20*aecfc01dSrui zang - Sun Microsystems - Beijing China  */
21*aecfc01dSrui zang - Sun Microsystems - Beijing China /*
22*aecfc01dSrui zang - Sun Microsystems - Beijing China  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23*aecfc01dSrui zang - Sun Microsystems - Beijing China  * Use is subject to license terms.
24*aecfc01dSrui zang - Sun Microsystems - Beijing China  */
25*aecfc01dSrui zang - Sun Microsystems - Beijing China 
26*aecfc01dSrui zang - Sun Microsystems - Beijing China #include <sys/types.h>
27*aecfc01dSrui zang - Sun Microsystems - Beijing China #include <sys/stat.h>
28*aecfc01dSrui zang - Sun Microsystems - Beijing China #include <fcntl.h>
29*aecfc01dSrui zang - Sun Microsystems - Beijing China #include <unistd.h>
30*aecfc01dSrui zang - Sun Microsystems - Beijing China #include <stropts.h>
31*aecfc01dSrui zang - Sun Microsystems - Beijing China #include <sys/vt.h>
32*aecfc01dSrui zang - Sun Microsystems - Beijing China 
33*aecfc01dSrui zang - Sun Microsystems - Beijing China /*
34*aecfc01dSrui zang - Sun Microsystems - Beijing China  * return value:
35*aecfc01dSrui zang - Sun Microsystems - Beijing China  *  0: disabled
36*aecfc01dSrui zang - Sun Microsystems - Beijing China  *  1: enabled
37*aecfc01dSrui zang - Sun Microsystems - Beijing China  *  2: An error occured
38*aecfc01dSrui zang - Sun Microsystems - Beijing China  */
39*aecfc01dSrui zang - Sun Microsystems - Beijing China int
40*aecfc01dSrui zang - Sun Microsystems - Beijing China main(void)
41*aecfc01dSrui zang - Sun Microsystems - Beijing China {
42*aecfc01dSrui zang - Sun Microsystems - Beijing China 	int result;
43*aecfc01dSrui zang - Sun Microsystems - Beijing China 	int fd;
44*aecfc01dSrui zang - Sun Microsystems - Beijing China 
45*aecfc01dSrui zang - Sun Microsystems - Beijing China 	if ((fd = open("/dev/vt/0", O_RDONLY)) < 0)
46*aecfc01dSrui zang - Sun Microsystems - Beijing China 		return (2);
47*aecfc01dSrui zang - Sun Microsystems - Beijing China 
48*aecfc01dSrui zang - Sun Microsystems - Beijing China 	if (ioctl(fd, VT_ENABLED, &result) != 0) {
49*aecfc01dSrui zang - Sun Microsystems - Beijing China 		(void) close(fd);
50*aecfc01dSrui zang - Sun Microsystems - Beijing China 		return (2);
51*aecfc01dSrui zang - Sun Microsystems - Beijing China 	}
52*aecfc01dSrui zang - Sun Microsystems - Beijing China 
53*aecfc01dSrui zang - Sun Microsystems - Beijing China 	(void) close(fd);
54*aecfc01dSrui zang - Sun Microsystems - Beijing China 
55*aecfc01dSrui zang - Sun Microsystems - Beijing China 	if (result == 0)
56*aecfc01dSrui zang - Sun Microsystems - Beijing China 		return (0);	/* disabled */
57*aecfc01dSrui zang - Sun Microsystems - Beijing China 
58*aecfc01dSrui zang - Sun Microsystems - Beijing China 	return (1);		/* enabled */
59*aecfc01dSrui zang - Sun Microsystems - Beijing China }
60