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fifo.h revision 1.3
      1 /*
      2  * Copyright (c) 1991 The Regents of the University of California.
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  *
     33  *	from: @(#)fifo.h	7.1 (Berkeley) 4/15/91
     34  *	$Id: fifo.h,v 1.3 1993/05/20 16:22:13 cgd Exp $
     35  */
     36 
     37 #ifndef _SYS_FIFO_H_
     38 #define _SYS_FIFO_H_
     39 
     40 #ifdef FIFO
     41 /*
     42  * Prototypes for fifo operations on vnodes.
     43  */
     44 int	fifo_badop(),
     45 	fifo_ebadf();
     46 
     47 int	fifo_lookup __P((
     48 		struct vnode *vp,
     49 		struct nameidata *ndp,
     50 		struct proc *p));
     51 #define fifo_create ((int (*) __P(( \
     52 		struct nameidata *ndp, \
     53 		struct vattr *vap, \
     54 		struct proc *p))) fifo_badop)
     55 #define fifo_mknod ((int (*) __P(( \
     56 		struct nameidata *ndp, \
     57 		struct vattr *vap, \
     58 		struct ucred *cred, \
     59 		struct proc *p))) fifo_badop)
     60 int	fifo_open __P((
     61 		struct vnode *vp,
     62 		int mode,
     63 		struct ucred *cred,
     64 		struct proc *p));
     65 int	fifo_close __P((
     66 		struct vnode *vp,
     67 		int fflag,
     68 		struct ucred *cred,
     69 		struct proc *p));
     70 #define fifo_access ((int (*) __P(( \
     71 		struct vnode *vp, \
     72 		int mode, \
     73 		struct ucred *cred, \
     74 		struct proc *p))) fifo_ebadf)
     75 #define fifo_getattr ((int (*) __P(( \
     76 		struct vnode *vp, \
     77 		struct vattr *vap, \
     78 		struct ucred *cred, \
     79 		struct proc *p))) fifo_ebadf)
     80 #define fifo_setattr ((int (*) __P(( \
     81 		struct vnode *vp, \
     82 		struct vattr *vap, \
     83 		struct ucred *cred, \
     84 		struct proc *p))) fifo_ebadf)
     85 int	fifo_read __P((
     86 		struct vnode *vp,
     87 		struct uio *uio,
     88 		int ioflag,
     89 		struct ucred *cred));
     90 int	fifo_write __P((
     91 		struct vnode *vp,
     92 		struct uio *uio,
     93 		int ioflag,
     94 		struct ucred *cred));
     95 int	fifo_ioctl __P((
     96 		struct vnode *vp,
     97 		int command,
     98 		caddr_t data,
     99 		int fflag,
    100 		struct ucred *cred,
    101 		struct proc *p));
    102 int	fifo_select __P((
    103 		struct vnode *vp,
    104 		int which,
    105 		int fflags,
    106 		struct ucred *cred,
    107 		struct proc *p));
    108 #define fifo_mmap ((int (*) __P(( \
    109 		struct vnode *vp, \
    110 		int fflags, \
    111 		struct ucred *cred, \
    112 		struct proc *p))) fifo_badop)
    113 #define fifo_fsync ((int (*) __P(( \
    114 		struct vnode *vp, \
    115 		int fflags, \
    116 		struct ucred *cred, \
    117 		int waitfor, \
    118 		struct proc *p))) nullop)
    119 #define fifo_seek ((int (*) __P(( \
    120 		struct vnode *vp, \
    121 		off_t oldoff, \
    122 		off_t newoff, \
    123 		struct ucred *cred))) fifo_badop)
    124 #define fifo_remove ((int (*) __P(( \
    125 		struct nameidata *ndp, \
    126 		struct proc *p))) fifo_badop)
    127 #define fifo_link ((int (*) __P(( \
    128 		struct vnode *vp, \
    129 		struct nameidata *ndp, \
    130 		struct proc *p))) fifo_badop)
    131 #define fifo_rename ((int (*) __P(( \
    132 		struct nameidata *fndp, \
    133 		struct nameidata *tdnp, \
    134 		struct proc *p))) fifo_badop)
    135 #define fifo_mkdir ((int (*) __P(( \
    136 		struct nameidata *ndp, \
    137 		struct vattr *vap, \
    138 		struct proc *p))) fifo_badop)
    139 #define fifo_rmdir ((int (*) __P(( \
    140 		struct nameidata *ndp, \
    141 		struct proc *p))) fifo_badop)
    142 #define fifo_symlink ((int (*) __P(( \
    143 		struct nameidata *ndp, \
    144 		struct vattr *vap, \
    145 		char *target, \
    146 		struct proc *p))) fifo_badop)
    147 #define fifo_readdir ((int (*) __P(( \
    148 		struct vnode *vp, \
    149 		struct uio *uio, \
    150 		struct ucred *cred, \
    151 		int *eofflagp))) fifo_badop)
    152 #define fifo_readlink ((int (*) __P(( \
    153 		struct vnode *vp, \
    154 		struct uio *uio, \
    155 		struct ucred *cred))) fifo_badop)
    156 #define fifo_abortop ((int (*) __P(( \
    157 		struct nameidata *ndp))) fifo_badop)
    158 #define fifo_inactive ((int (*) __P(( \
    159 		struct vnode *vp, \
    160 		struct proc *p))) nullop)
    161 #define fifo_reclaim ((int (*) __P(( \
    162 		struct vnode *vp))) nullop)
    163 int	fifo_lock __P((
    164 		struct vnode *vp));
    165 int	fifo_unlock __P((
    166 		struct vnode *vp));
    167 int	fifo_bmap __P((
    168 		struct vnode *vp,
    169 		daddr_t bn,
    170 		struct vnode **vpp,
    171 		daddr_t *bnp));
    172 #define fifo_strategy ((int (*) __P(( \
    173 		struct buf *bp))) fifo_badop)
    174 int	fifo_print __P((
    175 		struct vnode *vp));
    176 #define fifo_islocked ((int (*) __P(( \
    177 		struct vnode *vp))) nullop)
    178 int	fifo_advlock __P((
    179 		struct vnode *vp,
    180 		caddr_t id,
    181 		int op,
    182 		struct flock *fl,
    183 		int flags));
    184 #endif /* FIFO */
    185 
    186 #endif /* !_SYS_FIFO_H_ */
    187