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Annotation of kernel/bsd/sys/ev.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: /* Copyright (c) 1998 Apple Computer, Inc. All rights reserved */
        !            26: 
        !            27: #ifndef _SYS_EV_H_
        !            28: #define _SYS_EV_H_
        !            29: 
        !            30: #include <sys/queue.h>
        !            31: 
        !            32: struct eventreq {
        !            33:   int      er_type;
        !            34: #define EV_FD 1    // file descriptor
        !            35:   int      er_handle;
        !            36:   void    *er_data;
        !            37:   int      er_rcnt;
        !            38:   int      er_wcnt;
        !            39:   int      er_ecnt;
        !            40:   int      er_eventbits;
        !            41: #define EV_RE  1
        !            42: #define EV_WR  2
        !            43: #define EV_EX  4
        !            44: #define EV_RM  8
        !            45: #define EV_MASK 0xf
        !            46: };
        !            47: 
        !            48: typedef struct eventreq *er_t;
        !            49: 
        !            50: #define EV_RBYTES 0x100
        !            51: #define EV_WBYTES 0x200
        !            52: #define EV_RWBYTES (EV_RBYTES|EV_WBYTES)
        !            53: #define EV_RCLOSED 0x400
        !            54: #define EV_RCONN   0x800
        !            55: #define EV_WCLOSED 0x1000
        !            56: #define EV_WCONN   0x2000
        !            57: #define EV_OOB     0x4000
        !            58: #define EV_FIN     0x8000
        !            59: #define EV_RESET   0x10000
        !            60: #define EV_DMASK   0xffffff00
        !            61: 
        !            62: #ifdef _KERNEL
        !            63: 
        !            64: struct eventqelt {
        !            65:   TAILQ_ENTRY(eventqelt)  ee_slist;
        !            66:   TAILQ_ENTRY(eventqelt)  ee_plist;
        !            67:   struct eventreq  ee_req;
        !            68:   struct proc *    ee_proc;
        !            69:   u_int            ee_flags;
        !            70: #define EV_QUEUED 1
        !            71:   u_int            ee_eventmask;
        !            72:   struct socket   *ee_sp;
        !            73: };
        !            74: 
        !            75: #endif /* _KERNEL */
        !            76: 
        !            77: #endif /* _SYS_EV_H_ */

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