bsd/sys/ev.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /* Copyright (c) 1998 Apple Computer, Inc. All rights reserved */
  23
  24 #ifndef _SYS_EV_H_
  25 #define _SYS_EV_H_
  26
  27 #include <sys/queue.h>
  28
  29 struct eventreq {
  30   int      er_type;
  31 #define EV_FD 1    // file descriptor
  32   int      er_handle;
  33   void    *er_data;
  34   int      er_rcnt;
  35   int      er_wcnt;
  36   int      er_ecnt;
  37   int      er_eventbits;
  38 #define EV_RE  1
  39 #define EV_WR  2
  40 #define EV_EX  4
  41 #define EV_RM  8
  42 #define EV_MASK 0xf
  43 };
  44
  45 typedef struct eventreq *er_t;
  46
  47 #define EV_RBYTES 0x100
  48 #define EV_WBYTES 0x200
  49 #define EV_RWBYTES (EV_RBYTES|EV_WBYTES)
  50 #define EV_RCLOSED 0x400
  51 #define EV_RCONN   0x800
  52 #define EV_WCLOSED 0x1000
  53 #define EV_WCONN   0x2000
  54 #define EV_OOB     0x4000
  55 #define EV_FIN     0x8000
  56 #define EV_RESET   0x10000
  57 #define EV_TIMEOUT 0x20000
  58 #define EV_DMASK   0xffffff00
  59
  60 #ifdef KERNEL
  61
  62 struct eventqelt {
  63   TAILQ_ENTRY(eventqelt)  ee_slist;
  64   TAILQ_ENTRY(eventqelt)  ee_plist;
  65   struct eventreq  ee_req;
  66   struct proc *    ee_proc;
  67   u_int            ee_flags;
  68 #define EV_QUEUED 1
  69   u_int            ee_eventmask;
  70   struct socket   *ee_sp;
  71 };
  72
  73 #endif /* KERNEL */
  74
  75 #endif /* _SYS_EV_H_ */