| /* Header for poll(2) emulation |
| Contributed by Paolo Bonzini. |
| |
| Copyright 2001, 2002, 2003, 2007, 2009, 2010 Free Software Foundation, Inc. |
| |
| This file is part of gnulib. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License along |
| with this program; if not, write to the Free Software Foundation, |
| Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ |
| |
| #ifndef _GL_POLL_H |
| #define _GL_POLL_H |
| |
| /* fake a poll(2) environment */ |
| #define POLLIN 0x0001 /* any readable data available */ |
| #define POLLPRI 0x0002 /* OOB/Urgent readable data */ |
| #define POLLOUT 0x0004 /* file descriptor is writeable */ |
| #define POLLERR 0x0008 /* some poll error occurred */ |
| #define POLLHUP 0x0010 /* file descriptor was "hung up" */ |
| #define POLLNVAL 0x0020 /* requested events "invalid" */ |
| #define POLLRDNORM 0x0040 |
| #define POLLRDBAND 0x0080 |
| #define POLLWRNORM 0x0100 |
| #define POLLWRBAND 0x0200 |
| |
| struct pollfd |
| { |
| int fd; /* which file descriptor to poll */ |
| short events; /* events we are interested in */ |
| short revents; /* events found on return */ |
| }; |
| |
| typedef unsigned long nfds_t; |
| |
| extern int poll (struct pollfd *pfd, nfds_t nfd, int timeout); |
| |
| /* Define INFTIM only if doing so conforms to POSIX. */ |
| #if !defined (_POSIX_C_SOURCE) && !defined (_XOPEN_SOURCE) |
| #define INFTIM (-1) |
| #endif |
| |
| #endif /* _GL_POLL_H */ |
