1 /*
2  * Copyright © 2016 Keith Packard
3  *
4  * Permission to use, copy, modify, distribute, and sell this software and its
5  * documentation for any purpose is hereby granted without fee, provided that
6  * the above copyright notice appear in all copies and that both that copyright
7  * notice and this permission notice appear in supporting documentation, and
8  * that the name of the copyright holders not be used in advertising or
9  * publicity pertaining to distribution of the software without specific,
10  * written prior permission.  The copyright holders make no representations
11  * about the suitability of this software for any purpose.  It is provided "as
12  * is" without express or implied warranty.
13  *
14  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
15  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
16  * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
17  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
18  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
19  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
20  * OF THIS SOFTWARE.
21  */
22 
23 #ifndef _XSERVER_POLL_H_
24 #define _XSERVER_POLL_H_
25 
26 #ifndef _DIX_CONFIG_H_
27 #error must include dix-config.h to use xserver_poll.h
28 #endif
29 
30 #ifdef HAVE_POLL
31 #include <poll.h>
32 #define xserver_poll(fds, nfds, timeout) poll(fds, nfds, timeout)
33 #else
34 
35 #define POLLIN		0x01
36 #define POLLPRI		0x02
37 #define POLLOUT		0x04
38 #define POLLERR		0x08
39 #define POLLHUP		0x10
40 #define POLLNVAL	0x20
41 
42 struct pollfd
43 {
44     int     fd;
45     short   events;
46     short   revents;
47 };
48 
49 typedef unsigned long nfds_t;
50 
51 int xserver_poll (struct pollfd *pArray, nfds_t n_fds, int timeout);
52 
53 #endif
54 
55 #endif /* _XSERVER_POLL_H_ */
56