xref: /xnu-8792.41.9/bsd/sys/ev.h (revision 5c2921b07a2480ab43ec66f5b9e41cb872bc554f)
1*5c2921b0SApple OSS Distributions /*
2*5c2921b0SApple OSS Distributions  * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
3*5c2921b0SApple OSS Distributions  *
4*5c2921b0SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*5c2921b0SApple OSS Distributions  *
6*5c2921b0SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*5c2921b0SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*5c2921b0SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*5c2921b0SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*5c2921b0SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*5c2921b0SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*5c2921b0SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*5c2921b0SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*5c2921b0SApple OSS Distributions  *
15*5c2921b0SApple OSS Distributions  * Please obtain a copy of the License at
16*5c2921b0SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*5c2921b0SApple OSS Distributions  *
18*5c2921b0SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*5c2921b0SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*5c2921b0SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*5c2921b0SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*5c2921b0SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*5c2921b0SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*5c2921b0SApple OSS Distributions  * limitations under the License.
25*5c2921b0SApple OSS Distributions  *
26*5c2921b0SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*5c2921b0SApple OSS Distributions  */
28*5c2921b0SApple OSS Distributions /* Copyright (c) 1998 Apple Computer, Inc. All rights reserved */
29*5c2921b0SApple OSS Distributions 
30*5c2921b0SApple OSS Distributions #ifndef _SYS_EV_H_
31*5c2921b0SApple OSS Distributions #define _SYS_EV_H_
32*5c2921b0SApple OSS Distributions 
33*5c2921b0SApple OSS Distributions #include <sys/appleapiopts.h>
34*5c2921b0SApple OSS Distributions 
35*5c2921b0SApple OSS Distributions #include <sys/queue.h>
36*5c2921b0SApple OSS Distributions #include <sys/cdefs.h>
37*5c2921b0SApple OSS Distributions 
38*5c2921b0SApple OSS Distributions struct eventreq {
39*5c2921b0SApple OSS Distributions 	int      er_type;
40*5c2921b0SApple OSS Distributions #define EV_FD 1    // file descriptor
41*5c2921b0SApple OSS Distributions 	int      er_handle;
42*5c2921b0SApple OSS Distributions 	void    *er_data;
43*5c2921b0SApple OSS Distributions 	int      er_rcnt;
44*5c2921b0SApple OSS Distributions 	int      er_wcnt;
45*5c2921b0SApple OSS Distributions 	int      er_ecnt;
46*5c2921b0SApple OSS Distributions 	int      er_eventbits;
47*5c2921b0SApple OSS Distributions #define EV_RE  1
48*5c2921b0SApple OSS Distributions #define EV_WR  2
49*5c2921b0SApple OSS Distributions #define EV_EX  4
50*5c2921b0SApple OSS Distributions #define EV_RM  8
51*5c2921b0SApple OSS Distributions #define EV_MASK 0xf
52*5c2921b0SApple OSS Distributions };
53*5c2921b0SApple OSS Distributions 
54*5c2921b0SApple OSS Distributions typedef struct eventreq *er_t;
55*5c2921b0SApple OSS Distributions 
56*5c2921b0SApple OSS Distributions #define EV_RBYTES 0x100
57*5c2921b0SApple OSS Distributions #define EV_WBYTES 0x200
58*5c2921b0SApple OSS Distributions #define EV_RWBYTES (EV_RBYTES|EV_WBYTES)
59*5c2921b0SApple OSS Distributions #define EV_RCLOSED 0x400
60*5c2921b0SApple OSS Distributions #define EV_RCONN   0x800
61*5c2921b0SApple OSS Distributions #define EV_WCLOSED 0x1000
62*5c2921b0SApple OSS Distributions #define EV_WCONN   0x2000
63*5c2921b0SApple OSS Distributions #define EV_OOB     0x4000
64*5c2921b0SApple OSS Distributions #define EV_FIN     0x8000
65*5c2921b0SApple OSS Distributions #define EV_RESET   0x10000
66*5c2921b0SApple OSS Distributions #define EV_TIMEOUT 0x20000
67*5c2921b0SApple OSS Distributions #define EV_DMASK   0xffffff00
68*5c2921b0SApple OSS Distributions 
69*5c2921b0SApple OSS Distributions 
70*5c2921b0SApple OSS Distributions #ifndef KERNEL
71*5c2921b0SApple OSS Distributions 
72*5c2921b0SApple OSS Distributions __BEGIN_DECLS
73*5c2921b0SApple OSS Distributions int     modwatch(er_t, int);
74*5c2921b0SApple OSS Distributions int     watchevent(er_t, int);
75*5c2921b0SApple OSS Distributions int     waitevent(er_t, struct timeval *);
76*5c2921b0SApple OSS Distributions __END_DECLS
77*5c2921b0SApple OSS Distributions 
78*5c2921b0SApple OSS Distributions #endif
79*5c2921b0SApple OSS Distributions 
80*5c2921b0SApple OSS Distributions #endif /* _SYS_EV_H_ */
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