1 /* 2 * Copyright (c) 1994 Christian E. Hopps 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Christian E. Hopps. 16 * 4. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 * 30 * $Id: viewvar.h,v 1.2 1994/01/29 06:59:41 chopps Exp $ 31 */ 32 33 /* The view major device is a placeholder device. It serves 34 * simply to map the semantics of a graphics dipslay to 35 * the semantics of a character block device. In other 36 * words the graphics system as currently built does not like to be 37 * refered to by open/close/ioctl. This device serves as 38 * a interface to graphics. */ 39 40 struct view_softc { 41 struct view_size size; 42 view_t *view; 43 44 dmode_t *mode; 45 monitor_t *monitor; 46 47 pid_t lock_process; 48 int flags; 49 }; 50 51 enum view_unit_flag_bits { 52 VUB_OPEN, 53 VUB_ADDED, 54 VUB_DISPLAY, 55 VUB_LAST_BIT 56 }; 57 58 enum view_unit_flags { 59 VUF_OPEN = 1<<VUB_OPEN, 60 VUF_ADDED = 1<<VUB_ADDED, 61 VUF_DISPLAY = 1<<VUB_DISPLAY, 62 VUF_MASK = ((1<<VUB_LAST_BIT)-1) 63 }; 64 65