sys/sys/fifo.h

/*
 * Copyright (c) 1991 The Regents of the University of California.
 * All rights reserved.
 *
 * 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.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 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.
 *
 *      from: @(#)fifo.h        7.1 (Berkeley) 4/15/91
 *      $Id$
 */

#ifdef FIFO
/*
 * Prototypes for fifo operations on vnodes.
 */
int     fifo_badop(),
        fifo_ebadf();

int     fifo_lookup __P((
                struct vnode *vp,
                struct nameidata *ndp,
                struct proc *p));
#define fifo_create ((int (*) __P(( \
                struct nameidata *ndp, \
                struct vattr *vap, \
                struct proc *p))) fifo_badop)
#define fifo_mknod ((int (*) __P(( \
                struct nameidata *ndp, \
                struct vattr *vap, \
                struct ucred *cred, \
                struct proc *p))) fifo_badop)
int     fifo_open __P((
                struct vnode *vp,
                int mode,
                struct ucred *cred,
                struct proc *p));
int     fifo_close __P((
                struct vnode *vp,
                int fflag,
                struct ucred *cred,
                struct proc *p));
#define fifo_access ((int (*) __P(( \
                struct vnode *vp, \
                int mode, \
                struct ucred *cred, \
                struct proc *p))) fifo_ebadf)
#define fifo_getattr ((int (*) __P(( \
                struct vnode *vp, \
                struct vattr *vap, \
                struct ucred *cred, \
                struct proc *p))) fifo_ebadf)
#define fifo_setattr ((int (*) __P(( \
                struct vnode *vp, \
                struct vattr *vap, \
                struct ucred *cred, \
                struct proc *p))) fifo_ebadf)
int     fifo_read __P((
                struct vnode *vp,
                struct uio *uio,
                int ioflag,
                struct ucred *cred));
int     fifo_write __P((
                struct vnode *vp,
                struct uio *uio,
                int ioflag,
                struct ucred *cred));
int     fifo_ioctl __P((
                struct vnode *vp,
                int command,
                caddr_t data,
                int fflag,
                struct ucred *cred,
                struct proc *p));
int     fifo_select __P((
                struct vnode *vp,
                int which,
                int fflags,
                struct ucred *cred,
                struct proc *p));
#define fifo_mmap ((int (*) __P(( \
                struct vnode *vp, \
                int fflags, \
                struct ucred *cred, \
                struct proc *p))) fifo_badop)
#define fifo_fsync ((int (*) __P(( \
                struct vnode *vp, \
                int fflags, \
                struct ucred *cred, \
                int waitfor, \
                struct proc *p))) nullop)
#define fifo_seek ((int (*) __P(( \
                struct vnode *vp, \
                off_t oldoff, \
                off_t newoff, \
                struct ucred *cred))) fifo_badop)
#define fifo_remove ((int (*) __P(( \
                struct nameidata *ndp, \
                struct proc *p))) fifo_badop)
#define fifo_link ((int (*) __P(( \
                struct vnode *vp, \
                struct nameidata *ndp, \
                struct proc *p))) fifo_badop)
#define fifo_rename ((int (*) __P(( \
                struct nameidata *fndp, \
                struct nameidata *tdnp, \
                struct proc *p))) fifo_badop)
#define fifo_mkdir ((int (*) __P(( \
                struct nameidata *ndp, \
                struct vattr *vap, \
                struct proc *p))) fifo_badop)
#define fifo_rmdir ((int (*) __P(( \
                struct nameidata *ndp, \
                struct proc *p))) fifo_badop)
#define fifo_symlink ((int (*) __P(( \
                struct nameidata *ndp, \
                struct vattr *vap, \
                char *target, \
                struct proc *p))) fifo_badop)
#define fifo_readdir ((int (*) __P(( \
                struct vnode *vp, \
                struct uio *uio, \
                struct ucred *cred, \
                int *eofflagp))) fifo_badop)
#define fifo_readlink ((int (*) __P(( \
                struct vnode *vp, \
                struct uio *uio, \
                struct ucred *cred))) fifo_badop)
#define fifo_abortop ((int (*) __P(( \
                struct nameidata *ndp))) fifo_badop)
#define fifo_inactive ((int (*) __P(( \
                struct vnode *vp, \
                struct proc *p))) nullop)
#define fifo_reclaim ((int (*) __P(( \
                struct vnode *vp))) nullop)
int     fifo_lock __P((
                struct vnode *vp));
int     fifo_unlock __P((
                struct vnode *vp));
int     fifo_bmap __P((
                struct vnode *vp,
                daddr_t bn,
                struct vnode **vpp,
                daddr_t *bnp));
#define fifo_strategy ((int (*) __P(( \
                struct buf *bp))) fifo_badop)
int     fifo_print __P((
                struct vnode *vp));
#define fifo_islocked ((int (*) __P(( \
                struct vnode *vp))) nullop)
int     fifo_advlock __P((
                struct vnode *vp,
                caddr_t id,
                int op,
                struct flock *fl,
                int flags));
#endif /* FIFO */