Annotation of sys/sys/poll.h, Revision 1.1.1.1
1.1 nbrk 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: #ifndef _SYS_POLL_H_
29: #define _SYS_POLL_H_
30:
31: typedef struct pollfd {
32: int fd;
33: short events;
34: short revents;
35: } pollfd_t;
36:
37: typedef unsigned int nfds_t;
38:
39: #define POLLIN 0x0001
40: #define POLLPRI 0x0002
41: #define POLLOUT 0x0004
42: #define POLLERR 0x0008
43: #define POLLHUP 0x0010
44: #define POLLNVAL 0x0020
45: #define POLLRDNORM 0x0040
46: #define POLLNORM POLLRDNORM
47: #define POLLWRNORM POLLOUT
48: #define POLLRDBAND 0x0080
49: #define POLLWRBAND 0x0100
50:
51: #define INFTIM (-1)
52:
53: #ifndef _KERNEL
54: #include <ctype.h>
55:
56: __BEGIN_DECLS
57: int poll(struct pollfd[], nfds_t, int);
58: __END_DECLS
59: #endif /* _KERNEL */
60:
61: #endif /* !_SYS_POLL_H_ */
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