StdLib/Include/sys/filio.h

   1 /*      $NetBSD: filio.h,v 1.10 2005/12/11 12:25:20 christos Exp $      */
   2
   3 /*-
   4  * Copyright (c) 1982, 1986, 1990, 1993, 1994
   5  *      The Regents of the University of California.  All rights reserved.
   6  * (c) UNIX System Laboratories, Inc.
   7  * All or some portions of this file are derived from material licensed
   8  * to the University of California by American Telephone and Telegraph
   9  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
  10  * the permission of UNIX System Laboratories, Inc.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  * 1. Redistributions of source code must retain the above copyright
  16  *    notice, this list of conditions and the following disclaimer.
  17  * 2. Redistributions in binary form must reproduce the above copyright
  18  *    notice, this list of conditions and the following disclaimer in the
  19  *    documentation and/or other materials provided with the distribution.
  20  * 3. Neither the name of the University nor the names of its contributors
  21  *    may be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  *
  36  *      @(#)filio.h     8.1 (Berkeley) 3/28/94
  37  */
  38
  39 #ifndef _SYS_FILIO_H_
  40 #define _SYS_FILIO_H_
  41
  42 #include <sys/ioccom.h>
  43
  44 /* Generic file-descriptor ioctl's. */
  45 #define FIOCLEX          _IO('f', 1)            /* set close on exec on fd */
  46 #define FIONCLEX         _IO('f', 2)            /* remove close on exec */
  47 #define FIONREAD        _IOR('f', 127, int)     /* get # bytes to read */
  48 #define FIONBIO         _IOW('f', 126, int)     /* set/clear non-blocking i/o */
  49 #define FIOASYNC        _IOW('f', 125, int)     /* set/clear async i/o */
  50 #define FIOSETOWN       _IOW('f', 124, int)     /* set owner */
  51 #define FIOGETOWN       _IOR('f', 123, int)     /* get owner */
  52 #define OFIOGETBMAP     _IOWR('f', 122, uint32_t) /* get underlying block no. */
  53 #define FIOGETBMAP      _IOWR('f', 122, daddr_t) /* get underlying block no. */
  54 #define FIONWRITE       _IOR('f', 121, int)     /* get # bytes outstanding
  55                                                  * in send queue. */
  56 #define FIONSPACE       _IOR('f', 120, int)     /* get space in send queue. */
  57
  58
  59 /* Ugly symbol for compatibility with other operating systems */
  60 #define FIBMAP          FIOGETBMAP
  61
  62 #endif /* !_SYS_FILIO_H_ */