1 files changed, 59 insertions, 0 deletions
diff --git a/usr/src/cmd/vt/vtinfo.c b/usr/src/cmd/vt/vtinfo.c
new file mode 100644
index 0000000000..b9af7c3cc3
--- /dev/null
+++ b/usr/src/cmd/vt/vtinfo.c
@@ -0,0 +1,59 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stropts.h>
+#include <sys/vt.h>
+
+/*
+ * return value:
+ *  0: disabled
+ *  1: enabled
+ *  2: An error occured
+ */
+int
+main(void)
+{
+	int result;
+	int fd;
+
+	if ((fd = open("/dev/vt/0", O_RDONLY)) < 0)
+		return (2);
+
+	if (ioctl(fd, VT_ENABLED, &result) != 0) {
+		(void) close(fd);
+		return (2);
+	}
+
+	(void) close(fd);
+
+	if (result == 0)
+		return (0);	/* disabled */
+
+	return (1);		/* enabled */
+}