Source to bsd/sys/ev.h

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/* Copyright (c) 1998 Apple Computer, Inc. All rights reserved */

#ifndef _SYS_EV_H_
#define _SYS_EV_H_

#include <sys/queue.h>

struct eventreq {
  int      er_type;
#define EV_FD 1    // file descriptor
  int      er_handle;
  void    *er_data;
  int      er_rcnt;
  int      er_wcnt;
  int      er_ecnt;
  int      er_eventbits;
#define EV_RE  1
#define EV_WR  2
#define EV_EX  4
#define EV_RM  8
#define EV_MASK 0xf
};

typedef struct eventreq *er_t;

#define EV_RBYTES 0x100
#define EV_WBYTES 0x200
#define EV_RWBYTES (EV_RBYTES|EV_WBYTES)
#define EV_RCLOSED 0x400
#define EV_RCONN   0x800
#define EV_WCLOSED 0x1000
#define EV_WCONN   0x2000
#define EV_OOB     0x4000
#define EV_FIN     0x8000
#define EV_RESET   0x10000
#define EV_TIMEOUT 0x20000
#define EV_DMASK   0xffffff00

#ifdef KERNEL

struct eventqelt {
  TAILQ_ENTRY(eventqelt)  ee_slist;
  TAILQ_ENTRY(eventqelt)  ee_plist;
  struct eventreq  ee_req;
  struct proc *    ee_proc;
  u_int            ee_flags;
#define EV_QUEUED 1
  u_int            ee_eventmask;
  struct socket   *ee_sp;
};

#endif /* KERNEL */

#endif /* _SYS_EV_H_ */