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/******************************** -*- C -*- ****************************
*
* Header for poll(2) emulation
*
*
***********************************************************************/
/***********************************************************************
*
* Copyright 2001, 2002, 2006, 2008 Free Software Foundation, Inc.
* Written by Paolo Bonzini.
*
* This file is part of GNU Smalltalk.
*
* GNU Smalltalk 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.
*
* Linking GNU Smalltalk statically or dynamically with other modules is
* making a combined work based on GNU Smalltalk. Thus, the terms and
* conditions of the GNU General Public License cover the whole
* combination.
*
* In addition, as a special exception, the Free Software Foundation
* give you permission to combine GNU Smalltalk with free software
* programs or libraries that are released under the GNU LGPL and with
* independent programs running under the GNU Smalltalk virtual machine.
*
* You may copy and distribute such a system following the terms of the
* GNU GPL for GNU Smalltalk and the licenses of the other code
* concerned, provided that you include the source code of that other
* code when and as the GNU GPL requires distribution of source code.
*
* Note that people who make modified versions of GNU Smalltalk are not
* obligated to grant this special exception for their modified
* versions; it is their choice whether to do so. The GNU General
* Public License gives permission to release a modified version without
* this exception; this exception also makes it possible to release a
* modified version which carries forward this exception.
*
* GNU Smalltalk 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
* GNU Smalltalk; see the file COPYING. If not, write to the Free Software
* Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
***********************************************************************/
#ifndef GST_POLL_H
#define GST_POLL_H
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef poll
#define need_poll
#undef poll
#endif
#ifdef HAVE_POLL
/* use vendor poll(2) environment */
#include <sys/poll.h>
#else
/* 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 */
};
#endif
typedef int nfds_t;
#ifdef need_poll
#define poll rpl_poll
#undef need_poll
#endif
#ifndef INFTIM
#define INFTIM (-1) /* poll infinite */
#endif
#endif /* GST_POLL_H */
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