sys/miscfs/fifofs/fifo.h

   1 /*      $NetBSD: fifo.h,v 1.24 2005/12/11 12:24:50 christos Exp $       */
   2
   3 /*
   4  * Copyright (c) 1991, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  *      @(#)fifo.h      8.6 (Berkeley) 5/21/95
  32  */
  33
  34 /*
  35  * Prototypes for fifo operations on vnodes.
  36  */
  37 int     fifo_lookup(void *);
  38 #define fifo_create     genfs_badop
  39 #define fifo_mknod      genfs_badop
  40 int     fifo_open(void *);
  41 int     fifo_close(void *);
  42 #define fifo_access     genfs_ebadf
  43 #define fifo_getattr    genfs_ebadf
  44 #define fifo_setattr    genfs_ebadf
  45 int     fifo_read(void *);
  46 int     fifo_write(void *);
  47 int     fifo_ioctl(void *);
  48 int     fifo_poll(void *);
  49 int     fifo_kqfilter(void *);
  50 #define fifo_revoke     genfs_revoke
  51 #define fifo_mmap       genfs_badop
  52 #define fifo_fsync      genfs_nullop
  53 #define fifo_seek       genfs_badop
  54 #define fifo_remove     genfs_badop
  55 #define fifo_link       genfs_badop
  56 #define fifo_rename     genfs_badop
  57 #define fifo_mkdir      genfs_badop
  58 #define fifo_rmdir      genfs_badop
  59 #define fifo_symlink    genfs_badop
  60 #define fifo_readdir    genfs_badop
  61 #define fifo_readlink   genfs_badop
  62 #define fifo_abortop    genfs_badop
  63 #define fifo_reclaim    genfs_nullop
  64 #define fifo_lock       genfs_lock
  65 #define fifo_unlock     genfs_unlock
  66 int     fifo_inactive(void *);
  67 int     fifo_bmap(void *);
  68 #define fifo_strategy   genfs_badop
  69 int     fifo_print(void *);
  70 #define fifo_islocked   genfs_islocked
  71 int     fifo_pathconf(void *);
  72 #define fifo_advlock    genfs_einval
  73 #define fifo_bwrite     genfs_nullop
  74 #define fifo_putpages   genfs_null_putpages
  75
  76 void    fifo_printinfo(struct vnode *);
  77
  78 extern int (**fifo_vnodeop_p)(void *);