1 /*        $NetBSD: defines.h,v 1.9 2018/12/13 04:49:19 maya Exp $     */
2 
3 /*
4  * Copyright (c) 1988, 1993
5  *        The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  *        from: @(#)defines.h 8.1 (Berkeley) 6/6/93
32  */
33 
34 #define   settimer(x)         clocks.x = clocks.system++
35 
36 #define   NETADD(c) { *netoring.supply = (c); ring_supplied(&netoring, 1); }
37 #define   NET2ADD(c1,c2)      { NETADD((c1)); NETADD((c2)); }
38 #define   NETBYTES()          (ring_full_count(&netoring))
39 #define   NETROOM() (ring_empty_count(&netoring))
40 
41 #define   TTYADD(c) if (!(SYNCHing||flushout)) { \
42                                         *ttyoring.supply = c; \
43                                         ring_supplied(&ttyoring, 1); \
44                               }
45 #define   TTYBYTES()          (ring_full_count(&ttyoring))
46 #define   TTYROOM() (ring_empty_count(&ttyoring))
47 
48 /*        Various modes */
49 #define   MODE_LOCAL_CHARS(m) ((m)&(MODE_EDIT|MODE_TRAPSIG))
50 #define   MODE_LOCAL_ECHO(m)  ((m)&MODE_ECHO)
51 #define   MODE_COMMAND_LINE(m)          ((m)==-1)
52 
53 #define   CONTROL(x)          ((x)&0x1f)                    /* CTRL(x) is not portable */
54