1/*
2 * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_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. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28/* Copyright (c) 1998 Apple Computer, Inc. All rights reserved */
29
30#ifndef _SYS_EV_H_
31#define _SYS_EV_H_
32
33
34#include <sys/appleapiopts.h>
35
36#include <sys/queue.h>
37#include <sys/cdefs.h>
38
39struct eventreq {
40  int      er_type;
41#define EV_FD 1    // file descriptor
42  int      er_handle;
43  void    *er_data;
44  int      er_rcnt;
45  int      er_wcnt;
46  int      er_ecnt;
47  int      er_eventbits;
48#define EV_RE  1
49#define EV_WR  2
50#define EV_EX  4
51#define EV_RM  8
52#define EV_MASK 0xf
53};
54
55typedef struct eventreq *er_t;
56
57#define EV_RBYTES 0x100
58#define EV_WBYTES 0x200
59#define EV_RWBYTES (EV_RBYTES|EV_WBYTES)
60#define EV_RCLOSED 0x400
61#define EV_RCONN   0x800
62#define EV_WCLOSED 0x1000
63#define EV_WCONN   0x2000
64#define EV_OOB     0x4000
65#define EV_FIN     0x8000
66#define EV_RESET   0x10000
67#define EV_TIMEOUT 0x20000
68#define EV_DMASK   0xffffff00
69
70
71#ifndef KERNEL
72
73__BEGIN_DECLS
74int	modwatch(er_t, int);
75int	watchevent(er_t, int);
76int	waitevent(er_t, struct timeval *);
77__END_DECLS
78
79#endif
80
81
82#ifdef BSD_KERNEL_PRIVATE
83
84
85
86struct eventreq32 {
87  int      er_type;
88  int      er_handle;
89  uint32_t er_data;
90  int      er_rcnt;
91  int      er_wcnt;
92  int      er_ecnt;
93  int      er_eventbits;
94};
95
96struct eventreq64 {
97  int      er_type;
98  int      er_handle;
99  user_addr_t er_data;
100  int      er_rcnt;
101  int      er_wcnt;
102  int      er_ecnt;
103  int      er_eventbits;
104};
105
106struct eventqelt {
107  TAILQ_ENTRY(eventqelt)  ee_slist;
108  TAILQ_ENTRY(eventqelt)  ee_plist;
109  struct eventreq64  ee_req;
110  struct proc *    ee_proc;
111  u_int            ee_flags;
112#define EV_QUEUED	0x01
113  u_int            ee_eventmask;
114};
115
116int waitevent_close(struct proc *p, struct fileproc *);
117#endif /* BSD_KERNEL_PRIVATE */
118
119#endif /* _SYS_EV_H_ */
120