xserver_poll.h revision 497507cf 
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
42struct pollfd
43{
44    int     fd;
45    short   events;
46    short   revents;
47};
48
49typedef unsigned long nfds_t;
50
51int xserver_poll (struct pollfd *pArray, nfds_t n_fds, int timeout);
52
53#endif
54
55#endif /* _XSERVER_POLL_H_ */
56