Sun Jan 24 19:56:26 2010 UTC ()
Amplify comment about ultrix bits.


(dholland)
diff -r1.120 -r1.121 src/sys/kern/tty_pty.c
cvs diff -r1.120 -r1.121 src/sys/kern/tty_pty.c (expand / switch to unified diff)

--- src/sys/kern/tty_pty.c 2009/12/20 19:06:44 1.120
+++ src/sys/kern/tty_pty.c 2010/01/24 19:56:26 1.121
@@ -1,14 +1,14 @@ @@ -1,14 +1,14 @@
1/* $NetBSD: tty_pty.c,v 1.120 2009/12/20 19:06:44 pooka Exp $ */ 1/* $NetBSD: tty_pty.c,v 1.121 2010/01/24 19:56:26 dholland Exp $ */
2 2
3/* 3/*
4 * Copyright (c) 1982, 1986, 1989, 1993 4 * Copyright (c) 1982, 1986, 1989, 1993
5 * The Regents of the University of California. All rights reserved. 5 * The Regents of the University of California. All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without 7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions 8 * modification, are permitted provided that the following conditions
9 * are met: 9 * are met:
10 * 1. Redistributions of source code must retain the above copyright 10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer. 11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright 12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the 13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution. 14 * documentation and/or other materials provided with the distribution.
@@ -27,27 +27,27 @@ @@ -27,27 +27,27 @@
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 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 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE. 29 * SUCH DAMAGE.
30 * 30 *
31 * @(#)tty_pty.c 8.4 (Berkeley) 2/20/95 31 * @(#)tty_pty.c 8.4 (Berkeley) 2/20/95
32 */ 32 */
33 33
34/* 34/*
35 * Pseudo-teletype Driver 35 * Pseudo-teletype Driver
36 * (Actually two drivers, requiring two entries in 'cdevsw') 36 * (Actually two drivers, requiring two entries in 'cdevsw')
37 */ 37 */
38 38
39#include <sys/cdefs.h> 39#include <sys/cdefs.h>
40__KERNEL_RCSID(0, "$NetBSD: tty_pty.c,v 1.120 2009/12/20 19:06:44 pooka Exp $"); 40__KERNEL_RCSID(0, "$NetBSD: tty_pty.c,v 1.121 2010/01/24 19:56:26 dholland Exp $");
41 41
42#include "opt_ptm.h" 42#include "opt_ptm.h"
43 43
44#include <sys/param.h> 44#include <sys/param.h>
45#include <sys/systm.h> 45#include <sys/systm.h>
46#include <sys/ioctl.h> 46#include <sys/ioctl.h>
47#include <sys/ioctl_compat.h> 47#include <sys/ioctl_compat.h>
48#include <sys/proc.h> 48#include <sys/proc.h>
49#include <sys/tty.h> 49#include <sys/tty.h>
50#include <sys/stat.h> 50#include <sys/stat.h>
51#include <sys/file.h> 51#include <sys/file.h>
52#include <sys/kernel.h> 52#include <sys/kernel.h>
53#include <sys/vnode.h> 53#include <sys/vnode.h>
@@ -109,27 +109,31 @@ dev_type_ioctl(ptyioctl); @@ -109,27 +109,31 @@ dev_type_ioctl(ptyioctl);
109dev_type_tty(ptytty); 109dev_type_tty(ptytty);
110 110
111const struct cdevsw ptc_cdevsw = { 111const struct cdevsw ptc_cdevsw = {
112 ptcopen, ptcclose, ptcread, ptcwrite, ptyioctl, 112 ptcopen, ptcclose, ptcread, ptcwrite, ptyioctl,
113 nullstop, ptytty, ptcpoll, nommap, ptckqfilter, D_TTY 113 nullstop, ptytty, ptcpoll, nommap, ptckqfilter, D_TTY
114}; 114};
115 115
116const struct cdevsw pts_cdevsw = { 116const struct cdevsw pts_cdevsw = {
117 ptsopen, ptsclose, ptsread, ptswrite, ptyioctl, 117 ptsopen, ptsclose, ptsread, ptswrite, ptyioctl,
118 ptsstop, ptytty, ptspoll, nommap, ttykqfilter, D_TTY 118 ptsstop, ptytty, ptspoll, nommap, ttykqfilter, D_TTY
119}; 119};
120 120
121#if defined(pmax) 121#if defined(pmax)
122/* see arch/pmax/conf/majors.pmax */ 122/*
 123 * Used by arch/pmax/conf/majors.pmax, which needs a second copy as it
 124 * needs to map this stuff to two pairs of majors.
 125 */
 126
123const struct cdevsw ptc_ultrix_cdevsw = { 127const struct cdevsw ptc_ultrix_cdevsw = {
124 ptcopen, ptcclose, ptcread, ptcwrite, ptyioctl, 128 ptcopen, ptcclose, ptcread, ptcwrite, ptyioctl,
125 nullstop, ptytty, ptcpoll, nommap, ptckqfilter, D_TTY 129 nullstop, ptytty, ptcpoll, nommap, ptckqfilter, D_TTY
126}; 130};
127 131
128const struct cdevsw pts_ultrix_cdevsw = { 132const struct cdevsw pts_ultrix_cdevsw = {
129 ptsopen, ptsclose, ptsread, ptswrite, ptyioctl, 133 ptsopen, ptsclose, ptsread, ptswrite, ptyioctl,
130 ptsstop, ptytty, ptspoll, nommap, ttykqfilter, D_TTY 134 ptsstop, ptytty, ptspoll, nommap, ttykqfilter, D_TTY
131}; 135};
132#endif /* defined(pmax) */ 136#endif /* defined(pmax) */
133 137
134/* 138/*
135 * Check if a pty is free to use. 139 * Check if a pty is free to use.