xserver_poll.h (1784B)
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_ */