1 /* $NetBSD: pty.h,v 1.8 2008/04/28 20:24:11 martin 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 *); 40 int pty_grant_slave(struct lwp *, dev_t); 41 dev_t pty_makedev(char, int); 42 int pty_vn_open(struct vnode *, struct lwp *); 43 struct ptm_pty *pty_sethandler(struct ptm_pty *); 44 #endif 45 46 struct ptm_pty { 47 int (*allocvp)(struct ptm_pty *, struct lwp *, struct vnode **, dev_t, 48 char); 49 int (*makename)(struct ptm_pty *, struct lwp *, char *, size_t, dev_t, char); 50 void (*getvattr)(struct ptm_pty *, struct lwp *, struct vattr *); 51 void *arg; 52 }; 53 54 extern int npty; 55 56 #ifdef COMPAT_BSDPTY 57 extern struct ptm_pty ptm_bsdpty; 58 #endif 59 60 #endif /* _SYS_PTY_H_ */ 61