xref: /xnu-11215/bsd/sys/ev.h (revision bb611c8f)
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 #include <sys/appleapiopts.h>
34 
35 #include <sys/queue.h>
36 #include <sys/cdefs.h>
37 
38 struct eventreq {
39 	int      er_type;
40 #define EV_FD 1    // file descriptor
41 	int      er_handle;
42 	void    *er_data;
43 	int      er_rcnt;
44 	int      er_wcnt;
45 	int      er_ecnt;
46 	int      er_eventbits;
47 #define EV_RE  1
48 #define EV_WR  2
49 #define EV_EX  4
50 #define EV_RM  8
51 #define EV_MASK 0xf
52 };
53 
54 typedef struct eventreq *er_t;
55 
56 #define EV_RBYTES 0x100
57 #define EV_WBYTES 0x200
58 #define EV_RWBYTES (EV_RBYTES|EV_WBYTES)
59 #define EV_RCLOSED 0x400
60 #define EV_RCONN   0x800
61 #define EV_WCLOSED 0x1000
62 #define EV_WCONN   0x2000
63 #define EV_OOB     0x4000
64 #define EV_FIN     0x8000
65 #define EV_RESET   0x10000
66 #define EV_TIMEOUT 0x20000
67 #define EV_DMASK   0xffffff00
68 
69 
70 #ifndef KERNEL
71 
72 __BEGIN_DECLS
73 int     modwatch(er_t, int);
74 int     watchevent(er_t, int);
75 int     waitevent(er_t, struct timeval *);
76 __END_DECLS
77 
78 #endif
79 
80 #endif /* _SYS_EV_H_ */
81