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bsd-poll.h
1 /* $OpenBSD: poll.h,v 1.11 2003/12/10 23:10:08 millert Exp $ */
2 
3 /*
4  * Copyright (c) 1996 Theo de Raadt
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  * notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  * notice, this list of conditions and the following disclaimer in the
14  * documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 /* OPENBSD ORIGINAL: sys/sys/poll.h */
29 
30 #if !defined(HAVE_POLL) && !defined(HAVE_POLL_H)
31 #ifndef _COMPAT_POLL_H_
32 #define _COMPAT_POLL_H_
33 
34 typedef struct pollfd {
35  int fd;
36  short events;
37  short revents;
38 } pollfd_t;
39 
40 typedef unsigned int nfds_t;
41 
42 #define POLLIN 0x0001
43 #define POLLOUT 0x0004
44 #define POLLERR 0x0008
45 #define POLLHUP 0x0010
46 #define POLLNVAL 0x0020
47 #if 0
48 /* the following are currently not implemented */
49 #define POLLPRI 0x0002
50 #define POLLRDNORM 0x0040
51 #define POLLNORM POLLRDNORM
52 #define POLLWRNORM POLLOUT
53 #define POLLRDBAND 0x0080
54 #define POLLWRBAND 0x0100
55 #endif
56 
57 #define INFTIM (-1) /* not standard */
58 
59 int poll(struct pollfd *, nfds_t, int);
60 #endif /* !_COMPAT_POLL_H_ */
61 #endif /* !HAVE_POLL_H */
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