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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 #ifndef _COMPAT_POLL_H_
31 #define _COMPAT_POLL_H_
32 
33 #include <sys/types.h>
34 #ifdef HAVE_POLL_H
35 # include <poll.h>
36 #elif HAVE_SYS_POLL_H
37 # include <sys/poll.h>
38 #endif
39 
40 #ifndef HAVE_STRUCT_POLLFD_FD
41 typedef struct pollfd {
42  int fd;
43  short events;
44  short revents;
45 } pollfd_t;
46 
47 #ifndef POLLIN
48 # define POLLIN 0x0001
49 #endif
50 #ifndef POLLPRI
51 # define POLLPRI 0x0002
52 #endif
53 #ifndef POLLOUT
54 # define POLLOUT 0x0004
55 #endif
56 #ifndef POLLERR
57 # define POLLERR 0x0008
58 #endif
59 #ifndef POLLHUP
60 # define POLLHUP 0x0010
61 #endif
62 #ifndef POLLNVAL
63 # define POLLNVAL 0x0020
64 #endif
65 
66 #if 0
67 /* the following are currently not implemented */
68 #define POLLRDNORM 0x0040
69 #define POLLNORM POLLRDNORM
70 #define POLLWRNORM POLLOUT
71 #define POLLRDBAND 0x0080
72 #define POLLWRBAND 0x0100
73 #endif
74 
75 #define INFTIM (-1) /* not standard */
76 #endif /* !HAVE_STRUCT_POLLFD_FD */
77 
78 #ifndef HAVE_NFDS_T
79 typedef unsigned int nfds_t;
80 #endif
81 
82 #ifndef HAVE_POLL
83 int poll(struct pollfd *, nfds_t, int);
84 #endif
85 
86 #ifndef HAVE_PPOLL
87 int ppoll(struct pollfd *, nfds_t, const struct timespec *, const sigset_t *);
88 #endif
89 
90 #endif /* !_COMPAT_POLL_H_ */