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easily determine how much space is left in the send queue; they do not need to know the send queue size. NetBSD revisions: sys_socket.c r1.41, 1.42 filio.h r1.9 Obtained from: NetBSD Approved by: re (kensmith)
65 lines
3.0 KiB
C
65 lines
3.0 KiB
C
/*-
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* Copyright (c) 1982, 1986, 1990, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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* (c) UNIX System Laboratories, Inc.
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* All or some portions of this file are derived from material licensed
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* to the University of California by American Telephone and Telegraph
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* Co. or Unix System Laboratories, Inc. and are reproduced herein with
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* the permission of UNIX System Laboratories, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)filio.h 8.1 (Berkeley) 3/28/94
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* $FreeBSD$
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*/
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#ifndef _SYS_FILIO_H_
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#define _SYS_FILIO_H_
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#include <sys/ioccom.h>
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/* Generic file-descriptor ioctl's. */
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#define FIOCLEX _IO('f', 1) /* set close on exec on fd */
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#define FIONCLEX _IO('f', 2) /* remove close on exec */
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#define FIONREAD _IOR('f', 127, int) /* get # bytes to read */
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#define FIONBIO _IOW('f', 126, int) /* set/clear non-blocking i/o */
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#define FIOASYNC _IOW('f', 125, int) /* set/clear async i/o */
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#define FIOSETOWN _IOW('f', 124, int) /* set owner */
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#define FIOGETOWN _IOR('f', 123, int) /* get owner */
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#define FIODTYPE _IOR('f', 122, int) /* get d_flags type part */
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#define FIOGETLBA _IOR('f', 121, int) /* get start blk # */
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struct fiodgname_arg {
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int len;
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void *buf;
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};
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#define FIODGNAME _IOW('f', 120, struct fiodgname_arg) /* get dev. name */
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#define FIONWRITE _IOR('f', 119, int) /* get # bytes (yet) to write */
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#define FIONSPACE _IOR('f', 118, int) /* get space in send queue */
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/* Handle lseek SEEK_DATA and SEEK_HOLE for holey file knowledge. */
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#define FIOSEEKDATA _IOWR('f', 97, off_t) /* SEEK_DATA */
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#define FIOSEEKHOLE _IOWR('f', 98, off_t) /* SEEK_HOLE */
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#endif /* !_SYS_FILIO_H_ */
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