1 | /* $NetBSD: pty.h,v 1.11 2014/10/15 15:00:03 christos Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 2004 The NetBSD Foundation, Inc. |
5 | * All rights reserved. |
6 | * |
7 | * This code is derived from software contributed to The NetBSD Foundation |
8 | * by Christos Zoulas. |
9 | * |
10 | * Redistribution and use in source and binary forms, with or without |
11 | * modification, are permitted provided that the following conditions |
12 | * are met: |
13 | * 1. Redistributions of source code must retain the above copyright |
14 | * notice, this list of conditions and the following disclaimer. |
15 | * 2. Redistributions in binary form must reproduce the above copyright |
16 | * notice, this list of conditions and the following disclaimer in the |
17 | * documentation and/or other materials provided with the distribution. |
18 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
29 | * POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
31 | #ifndef _SYS_PTY_H_ |
32 | #define _SYS_PTY_H_ |
33 | |
34 | int pty_isfree(int, int); |
35 | int pty_check(int); |
36 | |
37 | #ifndef NO_DEV_PTM |
38 | void ptmattach(int); |
39 | int pty_fill_ptmget(struct lwp *, dev_t, int, int, void *, struct mount *); |
40 | int pty_grant_slave(struct lwp *, dev_t, struct mount *); |
41 | dev_t pty_makedev(char, int); |
42 | struct ptm_pty *pty_sethandler(struct ptm_pty *); |
43 | int pty_getmp(struct lwp *, struct mount **); |
44 | |
45 | /* |
46 | * Ptm_pty is used for switch ptm{x} driver between BSDPTY, PTYFS. |
47 | * Functions' argument (struct mount *) is used only PTYFS, |
48 | * in the case BSDPTY can be NULL. |
49 | */ |
50 | struct ptm_pty { |
51 | int (*allocvp)(struct mount *, struct lwp *, struct vnode **, dev_t, |
52 | char); |
53 | int (*makename)(struct mount *, struct lwp *, char *, size_t, dev_t, char); |
54 | void (*getvattr)(struct mount *, struct lwp *, struct vattr *); |
55 | int (*getmp)(struct lwp *, struct mount **); |
56 | }; |
57 | |
58 | #ifdef COMPAT_BSDPTY |
59 | extern struct ptm_pty ptm_bsdpty; |
60 | #endif |
61 | |
62 | #endif /* NO_DEV_PTM */ |
63 | |
64 | extern int npty; |
65 | |
66 | #endif /* _SYS_PTY_H_ */ |
67 | |