The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/sys/pty.h

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    1 /*      $NetBSD: pty.h,v 1.4 2005/02/26 22:25:34 perry 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  * 3. All advertising materials mentioning features or use of this software
   19  *    must display the following acknowledgement:
   20  *        This product includes software developed by the NetBSD
   21  *        Foundation, Inc. and its contributors.
   22  * 4. Neither the name of The NetBSD Foundation nor the names of its
   23  *    contributors may be used to endorse or promote products derived
   24  *    from this software without specific prior written permission.
   25  *
   26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   36  * POSSIBILITY OF SUCH DAMAGE.
   37  */
   38 #ifndef _SYS_PTY_H_
   39 #define _SYS_PTY_H_
   40 
   41 int pty_isfree(int, int);
   42 int pty_check(int);
   43 
   44 #ifndef NO_DEV_PTM
   45 void ptmattach(int);
   46 int pty_fill_ptmget(dev_t, int, int, void *);
   47 int pty_grant_slave(struct proc *, dev_t);
   48 dev_t pty_makedev(char, int);
   49 int pty_vn_open(struct vnode *, struct proc *);
   50 struct ptm_pty *pty_sethandler(struct ptm_pty *);
   51 #endif
   52 
   53 struct ptm_pty {
   54         int (*allocvp)(struct ptm_pty *, struct proc *, struct vnode **, dev_t,
   55             char);
   56         int (*makename)(struct ptm_pty *, char *, size_t, dev_t, char);
   57         void (*getvattr)(struct ptm_pty *, struct proc *, struct vattr *);
   58         void *arg;
   59 };
   60 
   61 extern int npty;
   62 
   63 #ifdef COMPAT_BSDPTY
   64 extern struct ptm_pty ptm_bsdpty;
   65 #endif
   66 
   67 #endif /* _SYS_PTY_H_ */

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