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Annotation of Gnu-Mach/i386/i386at/kd_queue.h, revision 1.1

1.1     ! root        1: /* 
        !             2:  * Mach Operating System
        !             3:  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
        !             4:  * All Rights Reserved.
        !             5:  * 
        !             6:  * Permission to use, copy, modify and distribute this software and its
        !             7:  * documentation is hereby granted, provided that both the copyright
        !             8:  * notice and this permission notice appear in all copies of the
        !             9:  * software, derivative works or modified versions, and any portions
        !            10:  * thereof, and that both notices appear in supporting documentation.
        !            11:  * 
        !            12:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
        !            13:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
        !            14:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            15:  * 
        !            16:  * Carnegie Mellon requests users of this software to return to
        !            17:  * 
        !            18:  *  Software Distribution Coordinator  or  [email protected]
        !            19:  *  School of Computer Science
        !            20:  *  Carnegie Mellon University
        !            21:  *  Pittsburgh PA 15213-3890
        !            22:  * 
        !            23:  * any improvements or extensions that they make and grant Carnegie Mellon
        !            24:  * the rights to redistribute these changes.
        !            25:  */
        !            26: /* **********************************************************************
        !            27:  File:         kd_queue.h
        !            28:  Description:  definitions for keybd/display Event queue
        !            29: 
        !            30:  $ Header: $
        !            31: 
        !            32:  Copyright Ing. C. Olivetti & C. S.p.A. 1989.
        !            33:  All rights reserved.
        !            34: ********************************************************************** */
        !            35: /*
        !            36:   Copyright 1988, 1989 by Olivetti Advanced Technology Center, Inc.,
        !            37: Cupertino, California.
        !            38: 
        !            39:                All Rights Reserved
        !            40: 
        !            41:   Permission to use, copy, modify, and distribute this software and
        !            42: its documentation for any purpose and without fee is hereby
        !            43: granted, provided that the above copyright notice appears in all
        !            44: copies and that both the copyright notice and this permission notice
        !            45: appear in supporting documentation, and that the name of Olivetti
        !            46: not be used in advertising or publicity pertaining to distribution
        !            47: of the software without specific, written prior permission.
        !            48: 
        !            49:   OLIVETTI DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
        !            50: INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
        !            51: IN NO EVENT SHALL OLIVETTI BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
        !            52: CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
        !            53: LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
        !            54: NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUR OF OR IN CONNECTION
        !            55: WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
        !            56: */
        !            57: 
        !            58: /*
        !            59:  * Definitions for keyboard/mouse events.
        !            60:  *
        !            61:  * The keyboard and mouse can be read as a stream of events.  The event
        !            62:  * definition is the same in both cases, but only keyboard events will
        !            63:  * be generated by /dev/kbd, and only mouse events will be generated by
        !            64:  * /dev/mouse.
        !            65:  */
        !            66: 
        !            67: #include <mach/std_types.h>
        !            68: #include <i386at/kd.h>
        !            69: 
        !            70: #define KDQSIZE        100                     /* is this a good size? */
        !            71: 
        !            72: typedef struct {
        !            73:        kd_event events[KDQSIZE];
        !            74:        int firstfree, firstout;
        !            75: } kd_event_queue;
        !            76: 
        !            77: extern void kdq_put(), kdq_reset();
        !            78: extern boolean_t kdq_empty(), kdq_full();
        !            79: extern kd_event *kdq_get();

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