xref: /OK3568_Linux_fs/external/xserver/include/xserver_poll.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright © 2016 Keith Packard
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Permission to use, copy, modify, distribute, and sell this software and its
5*4882a593Smuzhiyun  * documentation for any purpose is hereby granted without fee, provided that
6*4882a593Smuzhiyun  * the above copyright notice appear in all copies and that both that copyright
7*4882a593Smuzhiyun  * notice and this permission notice appear in supporting documentation, and
8*4882a593Smuzhiyun  * that the name of the copyright holders not be used in advertising or
9*4882a593Smuzhiyun  * publicity pertaining to distribution of the software without specific,
10*4882a593Smuzhiyun  * written prior permission.  The copyright holders make no representations
11*4882a593Smuzhiyun  * about the suitability of this software for any purpose.  It is provided "as
12*4882a593Smuzhiyun  * is" without express or implied warranty.
13*4882a593Smuzhiyun  *
14*4882a593Smuzhiyun  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
15*4882a593Smuzhiyun  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
16*4882a593Smuzhiyun  * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
17*4882a593Smuzhiyun  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
18*4882a593Smuzhiyun  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
19*4882a593Smuzhiyun  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
20*4882a593Smuzhiyun  * OF THIS SOFTWARE.
21*4882a593Smuzhiyun  */
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun #ifndef _XSERVER_POLL_H_
24*4882a593Smuzhiyun #define _XSERVER_POLL_H_
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun #ifndef _DIX_CONFIG_H_
27*4882a593Smuzhiyun #error must include dix-config.h to use xserver_poll.h
28*4882a593Smuzhiyun #endif
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun #ifdef HAVE_POLL
31*4882a593Smuzhiyun #include <poll.h>
32*4882a593Smuzhiyun #define xserver_poll(fds, nfds, timeout) poll(fds, nfds, timeout)
33*4882a593Smuzhiyun #else
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun #define POLLIN		0x01
36*4882a593Smuzhiyun #define POLLPRI		0x02
37*4882a593Smuzhiyun #define POLLOUT		0x04
38*4882a593Smuzhiyun #define POLLERR		0x08
39*4882a593Smuzhiyun #define POLLHUP		0x10
40*4882a593Smuzhiyun #define POLLNVAL	0x20
41*4882a593Smuzhiyun 
42*4882a593Smuzhiyun struct pollfd
43*4882a593Smuzhiyun {
44*4882a593Smuzhiyun     int     fd;
45*4882a593Smuzhiyun     short   events;
46*4882a593Smuzhiyun     short   revents;
47*4882a593Smuzhiyun };
48*4882a593Smuzhiyun 
49*4882a593Smuzhiyun typedef unsigned long nfds_t;
50*4882a593Smuzhiyun 
51*4882a593Smuzhiyun int xserver_poll (struct pollfd *pArray, nfds_t n_fds, int timeout);
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun #endif
54*4882a593Smuzhiyun 
55*4882a593Smuzhiyun #endif /* _XSERVER_POLL_H_ */
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