Added filio.h from freebsd (needed for socket fd ioctl)

bsd/sys/sys/filio.h

+/*-
+ * Copyright (c) 1982, 1986, 1990, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ * (c) UNIX System Laboratories, Inc.
+ * All or some portions of this file are derived from material licensed
+ * to the University of California by American Telephone and Telegraph
+ * Co. or Unix System Laboratories, Inc. and are reproduced herein with
+ * the permission of UNIX System Laboratories, Inc.
+ *
+ * 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.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
+ *
+ *	@(#)filio.h	8.1 (Berkeley) 3/28/94
+ * $FreeBSD$
+ */
+
+#ifndef	_SYS_FILIO_H_
+#define	_SYS_FILIO_H_
+
+#include <bsd/sys/sys/ioccom.h>
+
+/* Generic file-descriptor ioctl's. */
+#define	FIOCLEX		 _IO('f', 1)		/* set close on exec on fd */
+#define	FIONCLEX	 _IO('f', 2)		/* remove close on exec */
+#define	FIONREAD	_IOR('f', 127, int)	/* get # bytes to read */
+#define	FIONBIO		_IOW('f', 126, int)	/* set/clear non-blocking i/o */
+#define	FIOASYNC	_IOW('f', 125, int)	/* set/clear async i/o */
+#define	FIOSETOWN	_IOW('f', 124, int)	/* set owner */
+#define	FIOGETOWN	_IOR('f', 123, int)	/* get owner */
+#define	FIODTYPE	_IOR('f', 122, int)	/* get d_flags type part */
+#define	FIOGETLBA	_IOR('f', 121, int)	/* get start blk # */
+struct fiodgname_arg {
+	int	len;
+	void	*buf;
+};
+#define	FIODGNAME	_IOW('f', 120, struct fiodgname_arg) /* get dev. name */
+#define	FIONWRITE	_IOR('f', 119, int)	/* get # bytes (yet) to write */
+#define	FIONSPACE	_IOR('f', 118, int)	/* get space in send queue */
+/* Handle lseek SEEK_DATA and SEEK_HOLE for holey file knowledge. */
+#define	FIOSEEKDATA	_IOWR('f', 97, off_t)	/* SEEK_DATA */
+#define	FIOSEEKHOLE	_IOWR('f', 98, off_t)	/* SEEK_HOLE */
+
+#endif /* !_SYS_FILIO_H_ */