descriptor.h revision 37141
1/*- 2 * Copyright (c) 1998 Brian Somers <brian@Awfulhak.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $Id: descriptor.h,v 1.3 1998/05/23 22:24:34 brian Exp $ 27 */ 28 29#define PHYSICAL_DESCRIPTOR (1) 30#define SERVER_DESCRIPTOR (2) 31#define PROMPT_DESCRIPTOR (3) 32#define CHAT_DESCRIPTOR (4) 33#define DATALINK_DESCRIPTOR (5) 34#define BUNDLE_DESCRIPTOR (6) 35#define MPSERVER_DESCRIPTOR (7) 36 37struct bundle; 38 39struct descriptor { 40 int type; 41 42 int (*UpdateSet)(struct descriptor *, fd_set *, fd_set *, fd_set *, int *); 43 int (*IsSet)(struct descriptor *, const fd_set *); 44 void (*Read)(struct descriptor *, struct bundle *, const fd_set *); 45 int (*Write)(struct descriptor *, struct bundle *, const fd_set *); 46}; 47 48#define descriptor_UpdateSet(d, r, w, e, n) ((*(d)->UpdateSet)(d, r, w, e, n)) 49#define descriptor_IsSet(d, s) ((*(d)->IsSet)(d, s)) 50#define descriptor_Read(d, b, f) ((*(d)->Read)(d, b, f)) 51#define descriptor_Write(d, b, f) ((*(d)->Write)(d, b, f)) 52