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Annotation of Gnu-Mach/i386/i386at/kd_queue.h, revision 1.1.1.2

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: 
1.1.1.2 ! root       77: extern void kdq_put(kd_event_queue *, kd_event *);
        !            78: extern void kdq_reset(kd_event_queue *);
        !            79: extern boolean_t kdq_empty(kd_event_queue *);
        !            80: extern boolean_t kdq_full(kd_event_queue *);
        !            81: extern kd_event *kdq_get(kd_event_queue *);

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