1 /* Header for poll(2) emulation
2 Contributed by Paolo Bonzini.
4 Copyright 2001, 2002, 2003, 2007, 2009, 2010 Free Software Foundation, Inc.
6 This file is part of gnulib.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2, or (at your option)
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License along
19 with this program; if not, see <http://www.gnu.org/licenses/>. */
24 /* fake a poll(2) environment */
25 #define POLLIN 0x0001 /* any readable data available */
26 #define POLLPRI 0x0002 /* OOB/Urgent readable data */
27 #define POLLOUT 0x0004 /* file descriptor is writeable */
28 #define POLLERR 0x0008 /* some poll error occurred */
29 #define POLLHUP 0x0010 /* file descriptor was "hung up" */
30 #define POLLNVAL 0x0020 /* requested events "invalid" */
31 #define POLLRDNORM 0x0040
32 #define POLLRDBAND 0x0080
33 #define POLLWRNORM 0x0100
34 #define POLLWRBAND 0x0200
38 int fd; /* which file descriptor to poll */
39 short events; /* events we are interested in */
40 short revents; /* events found on return */
43 typedef unsigned long nfds_t;
45 extern int poll (struct pollfd *pfd, nfds_t nfd, int timeout);
47 /* Define INFTIM only if doing so conforms to POSIX. */
48 #if !defined (_POSIX_C_SOURCE) && !defined (_XOPEN_SOURCE)
52 #endif /* _GL_POLL_H */