bsd/sys/ev.h

   1 /*
   2  * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License.  The rights granted to you under the
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /* Copyright (c) 1998 Apple Computer, Inc. All rights reserved */
  31
  32 #ifndef _SYS_EV_H_
  33 #define _SYS_EV_H_
  34
  35 #if !defined(__LP64__)
  36
  37 #include <sys/appleapiopts.h>
  38
  39 #include <sys/queue.h>
  40 #include <sys/cdefs.h>
  41
  42 struct eventreq {
  43   int      er_type;
  44 #define EV_FD 1    // file descriptor
  45   int      er_handle;
  46   void    *er_data;
  47   int      er_rcnt;
  48   int      er_wcnt;
  49   int      er_ecnt;
  50   int      er_eventbits;
  51 #define EV_RE  1
  52 #define EV_WR  2
  53 #define EV_EX  4
  54 #define EV_RM  8
  55 #define EV_MASK 0xf
  56 };
  57
  58 typedef struct eventreq *er_t;
  59
  60 #define EV_RBYTES 0x100
  61 #define EV_WBYTES 0x200
  62 #define EV_RWBYTES (EV_RBYTES|EV_WBYTES)
  63 #define EV_RCLOSED 0x400
  64 #define EV_RCONN   0x800
  65 #define EV_WCLOSED 0x1000
  66 #define EV_WCONN   0x2000
  67 #define EV_OOB     0x4000
  68 #define EV_FIN     0x8000
  69 #define EV_RESET   0x10000
  70 #define EV_TIMEOUT 0x20000
  71 #define EV_DMASK   0xffffff00
  72
  73 #ifdef BSD_KERNEL_PRIVATE
  74
  75 struct eventqelt {
  76   TAILQ_ENTRY(eventqelt)  ee_slist;
  77   TAILQ_ENTRY(eventqelt)  ee_plist;
  78   struct eventreq  ee_req;
  79   struct proc *    ee_proc;
  80   u_int            ee_flags;
  81 #define EV_QUEUED       0x01
  82   u_int            ee_eventmask;
  83 };
  84
  85 int waitevent_close(struct proc *p, struct fileproc *);
  86 #endif /* BSD_KERNEL_PRIVATE */
  87
  88 #endif /* !defined(__LP64__) */
  89
  90 #endif /* _SYS_EV_H_ */