poll.h

MIPS处理器的bootloader,龙芯就是用的修改过的PMON2

/*	$OpenBSD: poll.h,v 1.4 1998/08/12 17:34:29 deraadt Exp $ */

/*
 * Copyright (c) 1996 Theo de Raadt
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef	_SYS_POLL_H_
#define	_SYS_POLL_H_

struct pollfd {
	int 	fd;
	short	events;
	short	revents;
};

#define	POLLIN		0x0001
#define	POLLPRI		0x0002
#define	POLLOUT		0x0004
#define	POLLERR		0x0008
#define	POLLHUP		0x0010
#define	POLLNVAL	0x0020
#define	POLLRDNORM	0x0040
#define POLLWRNORM      POLLOUT
#define	POLLRDBAND	0x0080
#define	POLLWRBAND	0x0100

#ifndef _KERNEL
int   poll __P((struct pollfd[], int, int));
#endif /* _KERNEL */

#endif /* !_SYS_POLL_H_ */