xref: /xnu-12377.61.12/bsd/sys/ev.h (revision 4d495c6e23c53686cf65f45067f79024cf5dcee8)
1*4d495c6eSApple OSS Distributions /*
2*4d495c6eSApple OSS Distributions  * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
3*4d495c6eSApple OSS Distributions  *
4*4d495c6eSApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*4d495c6eSApple OSS Distributions  *
6*4d495c6eSApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*4d495c6eSApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*4d495c6eSApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*4d495c6eSApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*4d495c6eSApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*4d495c6eSApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*4d495c6eSApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*4d495c6eSApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*4d495c6eSApple OSS Distributions  *
15*4d495c6eSApple OSS Distributions  * Please obtain a copy of the License at
16*4d495c6eSApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*4d495c6eSApple OSS Distributions  *
18*4d495c6eSApple OSS Distributions  * The Original Code and all software distributed under the License are
19*4d495c6eSApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*4d495c6eSApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*4d495c6eSApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*4d495c6eSApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*4d495c6eSApple OSS Distributions  * Please see the License for the specific language governing rights and
24*4d495c6eSApple OSS Distributions  * limitations under the License.
25*4d495c6eSApple OSS Distributions  *
26*4d495c6eSApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*4d495c6eSApple OSS Distributions  */
28*4d495c6eSApple OSS Distributions /* Copyright (c) 1998 Apple Computer, Inc. All rights reserved */
29*4d495c6eSApple OSS Distributions 
30*4d495c6eSApple OSS Distributions #ifndef _SYS_EV_H_
31*4d495c6eSApple OSS Distributions #define _SYS_EV_H_
32*4d495c6eSApple OSS Distributions 
33*4d495c6eSApple OSS Distributions #include <sys/appleapiopts.h>
34*4d495c6eSApple OSS Distributions 
35*4d495c6eSApple OSS Distributions #include <sys/queue.h>
36*4d495c6eSApple OSS Distributions #include <sys/cdefs.h>
37*4d495c6eSApple OSS Distributions 
38*4d495c6eSApple OSS Distributions struct eventreq {
39*4d495c6eSApple OSS Distributions 	int      er_type;
40*4d495c6eSApple OSS Distributions #define EV_FD 1    // file descriptor
41*4d495c6eSApple OSS Distributions 	int      er_handle;
42*4d495c6eSApple OSS Distributions 	void    *er_data;
43*4d495c6eSApple OSS Distributions 	int      er_rcnt;
44*4d495c6eSApple OSS Distributions 	int      er_wcnt;
45*4d495c6eSApple OSS Distributions 	int      er_ecnt;
46*4d495c6eSApple OSS Distributions 	int      er_eventbits;
47*4d495c6eSApple OSS Distributions #define EV_RE  1
48*4d495c6eSApple OSS Distributions #define EV_WR  2
49*4d495c6eSApple OSS Distributions #define EV_EX  4
50*4d495c6eSApple OSS Distributions #define EV_RM  8
51*4d495c6eSApple OSS Distributions #define EV_MASK 0xf
52*4d495c6eSApple OSS Distributions };
53*4d495c6eSApple OSS Distributions 
54*4d495c6eSApple OSS Distributions typedef struct eventreq *er_t;
55*4d495c6eSApple OSS Distributions 
56*4d495c6eSApple OSS Distributions #define EV_RBYTES 0x100
57*4d495c6eSApple OSS Distributions #define EV_WBYTES 0x200
58*4d495c6eSApple OSS Distributions #define EV_RWBYTES (EV_RBYTES|EV_WBYTES)
59*4d495c6eSApple OSS Distributions #define EV_RCLOSED 0x400
60*4d495c6eSApple OSS Distributions #define EV_RCONN   0x800
61*4d495c6eSApple OSS Distributions #define EV_WCLOSED 0x1000
62*4d495c6eSApple OSS Distributions #define EV_WCONN   0x2000
63*4d495c6eSApple OSS Distributions #define EV_OOB     0x4000
64*4d495c6eSApple OSS Distributions #define EV_FIN     0x8000
65*4d495c6eSApple OSS Distributions #define EV_RESET   0x10000
66*4d495c6eSApple OSS Distributions #define EV_TIMEOUT 0x20000
67*4d495c6eSApple OSS Distributions #define EV_DMASK   0xffffff00
68*4d495c6eSApple OSS Distributions 
69*4d495c6eSApple OSS Distributions 
70*4d495c6eSApple OSS Distributions #ifndef KERNEL
71*4d495c6eSApple OSS Distributions 
72*4d495c6eSApple OSS Distributions __BEGIN_DECLS
73*4d495c6eSApple OSS Distributions int     modwatch(er_t, int);
74*4d495c6eSApple OSS Distributions int     watchevent(er_t, int);
75*4d495c6eSApple OSS Distributions int     waitevent(er_t, struct timeval *);
76*4d495c6eSApple OSS Distributions __END_DECLS
77*4d495c6eSApple OSS Distributions 
78*4d495c6eSApple OSS Distributions #endif
79*4d495c6eSApple OSS Distributions 
80*4d495c6eSApple OSS Distributions #endif /* _SYS_EV_H_ */
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