freebsd-nq/usr.sbin/ppp/descriptor.h

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/*-
* Copyright (c) 1998 Brian Somers <brian@Awfulhak.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: descriptor.h,v 1.1.2.2 1998/02/09 19:23:59 brian Exp $
*/
#define PHYSICAL_DESCRIPTOR (1)
#define SERVER_DESCRIPTOR (1)
struct descriptor {
int type;
struct descriptor *next;
int (*UpdateSet)(struct descriptor *, fd_set *, fd_set *, fd_set *, int *);
int (*IsSet)(struct descriptor *, fd_set *);
void (*Read)(struct descriptor *, struct bundle *, const fd_set *);
void (*Write)(struct descriptor *, const fd_set *);
};
#define descriptor_UpdateSet(d, r, w, e, n) ((*(d)->UpdateSet)(d, r, w, e, n))
#define descriptor_IsSet(d, s) ((*(d)->IsSet)(d, s))
#define descriptor_Read(d, b, f) ((*(d)->Read)(d, b, f))
#define descriptor_Write(d, f) ((*(d)->Write)(d, f))