bsd/sys/ev.h

   1 /*
   2  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_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. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /* Copyright (c) 1998 Apple Computer, Inc. All rights reserved */
  24
  25 #ifndef _SYS_EV_H_
  26 #define _SYS_EV_H_
  27
  28 #if !defined(__LP64__)
  29
  30 #include <sys/appleapiopts.h>
  31
  32 #include <sys/queue.h>
  33 #include <sys/cdefs.h>
  34
  35 struct eventreq {
  36   int      er_type;
  37 #define EV_FD 1    // file descriptor
  38   int      er_handle;
  39   void    *er_data;
  40   int      er_rcnt;
  41   int      er_wcnt;
  42   int      er_ecnt;
  43   int      er_eventbits;
  44 #define EV_RE  1
  45 #define EV_WR  2
  46 #define EV_EX  4
  47 #define EV_RM  8
  48 #define EV_MASK 0xf
  49 };
  50
  51 typedef struct eventreq *er_t;
  52
  53 #define EV_RBYTES 0x100
  54 #define EV_WBYTES 0x200
  55 #define EV_RWBYTES (EV_RBYTES|EV_WBYTES)
  56 #define EV_RCLOSED 0x400
  57 #define EV_RCONN   0x800
  58 #define EV_WCLOSED 0x1000
  59 #define EV_WCONN   0x2000
  60 #define EV_OOB     0x4000
  61 #define EV_FIN     0x8000
  62 #define EV_RESET   0x10000
  63 #define EV_TIMEOUT 0x20000
  64 #define EV_DMASK   0xffffff00
  65
  66 #ifdef BSD_KERNEL_PRIVATE
  67
  68 struct eventqelt {
  69   TAILQ_ENTRY(eventqelt)  ee_slist;
  70   TAILQ_ENTRY(eventqelt)  ee_plist;
  71   struct eventreq  ee_req;
  72   struct proc *    ee_proc;
  73   u_int            ee_flags;
  74 #define EV_QUEUED       0x01
  75   u_int            ee_eventmask;
  76 };
  77
  78 int waitevent_close(struct proc *p, struct fileproc *);
  79 #endif /* BSD_KERNEL_PRIVATE */
  80
  81 #endif /* !defined(__LP64__) */
  82
  83 #endif /* _SYS_EV_H_ */