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 | |
39 | struct 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 | |
55 | typedef 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 |
74 | int modwatch(er_t, int); |
75 | int watchevent(er_t, int); |
76 | int waitevent(er_t, struct timeval *); |
77 | __END_DECLS |
78 | |
79 | #endif |
80 | |
81 | |
82 | #ifdef BSD_KERNEL_PRIVATE |
83 | |
84 | |
85 | |
86 | struct 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 | |
96 | struct 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 | |
106 | struct 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 | |
116 | int waitevent_close(struct proc *p, struct fileproc *); |
117 | #endif /* BSD_KERNEL_PRIVATE */ |
118 | |
119 | #endif /* _SYS_EV_H_ */ |
120 | |