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